CN116321765B - Etching processing method and device for copper-clad circuit board - Google Patents
Etching processing method and device for copper-clad circuit board Download PDFInfo
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- CN116321765B CN116321765B CN202310543499.XA CN202310543499A CN116321765B CN 116321765 B CN116321765 B CN 116321765B CN 202310543499 A CN202310543499 A CN 202310543499A CN 116321765 B CN116321765 B CN 116321765B
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- 238000005530 etching Methods 0.000 title claims abstract description 91
- 238000003672 processing method Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000004804 winding Methods 0.000 claims description 56
- 238000010329 laser etching Methods 0.000 claims description 28
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 26
- 241000237983 Trochidae Species 0.000 claims description 19
- 229910052802 copper Inorganic materials 0.000 claims description 17
- 239000010949 copper Substances 0.000 claims description 17
- 230000010365 information processing Effects 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 230000001174 ascending effect Effects 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 12
- 239000011889 copper foil Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 239000000126 substance Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/027—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed by irradiation, e.g. by photons, alpha or beta particles
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0008—Apparatus or processes for manufacturing printed circuits for aligning or positioning of tools relative to the circuit board
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/01—Tools for processing; Objects used during processing
- H05K2203/0147—Carriers and holders
- H05K2203/0165—Holder for holding a Printed Circuit Board [PCB] during processing, e.g. during screen printing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/10—Using electric, magnetic and electromagnetic fields; Using laser light
- H05K2203/107—Using laser light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/15—Position of the PCB during processing
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing Of Printed Circuit Boards (AREA)
Abstract
The invention relates to the technical field of circuit board etching and discloses a copper-clad circuit board etching processing method and device, the copper-clad circuit board etching processing method comprises a base, wherein a supporting plate is fixedly arranged above the middle part of the inside of the base, first electromagnets are fixedly arranged at two sides of the bottom end of the supporting plate, which is positioned in the transverse direction of the base, respectively, a second electromagnet block is fixedly arranged in the middle part of the bottom end of the supporting plate, driving rollers are movably arranged above the two ends of the inside of the base, one end of each driving roller is provided with an external motor, a conveyor belt is movably sleeved on each driving roller, the conveyor belt is provided with a positioning hole, the conveyor belt is driven to rotate by using the driving rollers, a copper-clad plate is placed on a placing table by a worker, and is directly placed on the conveyor belt from the feeding end of the device, so that a short rod corresponding to the bottom end of the placing table is inserted into the positioning hole, and moves to the bottom of an etching mechanism along with the rotation of the conveyor belt, and the stability of the copper-clad plate in the etching process is ensured.
Description
Technical Field
The invention relates to the technical field of circuit board etching, in particular to a copper-clad circuit board etching processing method and device.
Background
The copper-clad plate is also called copper-clad laminate, it is a kind of plate-like material that is made by dipping the electronic glass fiber cloth or other reinforcement material with resin, one or both sides are covered with copper foil and hot pressing, various different forms, different functional printed circuit boards, process, etch, bore hole and copper plating, etc. are made different printed circuits on the copper-clad plate selectively, in the traditional manufacturing process of the existing printed circuit board, whether add the method or reduce the method, must remove the copper foil layer except wiring pattern on the copper-clad plate, and most commonly used is chemical corrosion, namely the copper-clad plate that will glue is exposed and washed, dip into corrosive liquid containing ferric chloride, utilize oxidation-reduction reaction to remove the copper foil layer, must finish washing and photoresist removing finally, so in order to simplify the step, already adopt the laser etching technology in industry, namely on the layer of the copper-clad plate surface of direct action, through evaporation or melting effect, thus simplify the complicated step of the existing chemical treatment process, further improve the precision of the copper-clad plate, and have also removed the following detailed environmental pollution of the existing chemical treatment process, but in use, the following chemical treatment has been eliminated:
because the existing laser etching adopts infrared laser with high energy density to irradiate the redundant copper foil layer on the copper-clad plate, but the laser head cannot be accurately controlled to etch the redundant copper foil layer on the copper-clad plate in the prior art, the copper foil layer on a wiring pattern part required on the copper-clad plate is etched in the etching process, so that the whole copper-clad plate is scrapped, the existing copper-clad plate is manually placed on an etching platform to be fixed during etching, and then is etched through the laser head, so that workers need to manually fix during each placement, the operation is complex, the working efficiency is low, and the etching quality of the copper-clad plate cannot be well guaranteed.
Disclosure of Invention
The invention provides a copper-clad circuit board etching processing method and device, which have the advantages of high etching efficiency and good etching effect, and solve the problems in the background technology.
The invention provides the following technical scheme: the copper-clad circuit board etching processing method and device comprises a base, wherein a supporting plate is fixedly arranged above the middle part inside the base, first electromagnetism is fixedly arranged at two sides of the bottom end of the supporting plate, which is positioned in the transverse direction of the base, respectively, a second electromagnet block is fixedly arranged at the middle part of the bottom end of the supporting plate, a driving roller is movably arranged above two ends inside the base, an external motor is arranged at one end of the driving roller, a conveyor belt is movably sleeved on the driving roller, positioning holes are uniformly formed in the outer surface of the conveyor belt, a placing table is placed on the conveyor belt, sliding grooves are uniformly formed in four sides of the placing table, a clamping mechanism is movably arranged in the placing table, an etching mechanism is fixedly arranged at the middle part of the top end of the base, a laser etching component is fixedly arranged at the middle part of the bottom end of the etching mechanism, and a control module, an information storage module and an information processing module are fixedly arranged on one side of the base;
the clamping mechanism comprises a first winding and unwinding wheel, the first winding and unwinding wheel is movably arranged at the center of the inside of the placing table, a second winding and unwinding wheel capable of synchronously rotating is fixedly connected to the bottom end of the first winding and unwinding wheel, four guide wheels are uniformly arranged on the outer sides of the first winding and unwinding wheel and the second winding and unwinding wheel in the circumferential direction, a connecting rope is movably connected between the first winding and unwinding wheel and the second winding and unwinding wheel and between the first winding and unwinding wheel and the second winding and unwinding wheel respectively, a clamping strip is fixedly arranged at one end of the outer portion of the connecting rope, and a first reset spring is fixedly connected between the outer side surface of the clamping strip and the inside of the placing table;
the etching mechanism comprises a top shell, the top shell is fixedly arranged in the middle of the top end of the base, an inner groove is formed in the middle of the lower surface of the top shell in the direction transversely perpendicular to the base, a vertical plate is fixedly arranged at one end in the inner groove, a laser emission head is fixedly arranged on one side of the vertical plate, where the middle of the inner groove is located, of the vertical plate, transverse grooves are formed in two sides of the inner groove, a reel structure is movably arranged in the inner groove, and a driving motor is arranged at the end part of the reel structure, which is located in the top shell;
in a preferred embodiment, the first electromagnetic block and the second electromagnetic block are electrically connected with the control module, the placing table is made of a metal material capable of being magnetically attracted, signal receiving and transmitting structures capable of being used in pairs and used for positioning are arranged on two sides of the placing table and two sides of the etching mechanism inside, and positioning signals transmitted by the signal receiving and transmitting structures can be used for controlling the power on-off of the first electromagnetic block and the second electromagnetic block through the control module.
In a preferred embodiment, the diameters of the first winding and unwinding wheel and the second winding and unwinding wheel are the same, the central shafts are fixedly connected in a coincident mode, two of the four guide wheels are in a group and are the same in height, the heights of the two groups of guide wheels are respectively the same as those of the first winding and unwinding wheel and the second winding and unwinding wheel, the middle parts and two sides of the bottom ends of the clamping strips are respectively provided with an extension rod, the extension rods are movably arranged inside the sliding grooves, and the first reset springs are in a stretching state when the clamping strips shrink towards the middle parts.
In a preferred embodiment, the second winding and unwinding wheel comprises a wheel body, a ring groove is formed in the bottom end of the wheel body, and a permanent magnet structure is fixedly installed in the ring groove.
In a preferred embodiment, the wheel body is opposite to the second electromagnetic block, the permanent magnet structure consists of a trapezoid block and a permanent magnet embedded in the inclined surface side of the trapezoid block, and the magnetic pole of the outer surface of the permanent magnet on the permanent magnet structure is the same as the magnetic pole above the second electromagnetic block when the permanent magnet is conducted.
In a preferred embodiment, the laser etching assembly is fixedly provided with a corresponding matched laser receiving head on the side where the laser emitting head is located, the laser emitting head and the laser receiving head are electrically connected with the control module, and the driving motor at the end part of the reel structure is also electrically connected with the control module.
In a preferred embodiment, the reel structure includes two small reel wheels, two the small reel wheels are respectively movable mounting inside the inside groove, and two the tip of small reel wheels is all embedded in the top shell and is installed driving motor, the output shaft of this driving motor and the tip fixed connection of small reel wheel, two all movable winding has the connecting band on the small reel wheel, and fixedly connected with hangs the end between two connecting band adjacent ends, the both ends of hanging the end are fixed mounting respectively has the location diaphragm, location diaphragm swing joint is in the cross groove, two the small reel wheels and internal component symmetry set up.
In a preferred embodiment, the small reel comprises a small reel body, the inside of the small reel body is hollow, grooves are uniformly formed in the inner wall of the small reel body in the circumferential direction, a central rod fixedly connected with a top shell is arranged in the middle of the inside of the small reel body, a limiting rod is uniformly and fixedly arranged on the outer surface of the central rod in the circumferential direction, a rotatable stopping block is arranged at one end of the grooves, a limiting block is fixedly arranged on the inner wall of the grooves at one end of the stopping block, a second reset spring is arranged at the bottom end of the limiting rod in the central rod, and a third electromagnetic block is fixedly arranged at one end of the central rod, which is positioned in the second reset spring.
In a preferred embodiment, the recess and stop piece shape looks adaptation, stop the both ends size of stopping the piece and be different, just stop stopping the side that sets up towards the center pole between the piece both ends, stop the rotatory end of stopping the piece and be set up in the one end that the size is little, and the rotatory outside cover of the rotation axis of this rotatory end is equipped with the normal spring that can reset, the outer end of gag lever post is the rubber material end, just the tip when the gag lever post stretches out completely can surpass stopping the tip of piece and can with stopping laminating contact between the piece, third electromagnetic block and control module electricity are connected, and both ends are located the third electromagnetic block and the driving motor that set up in the different center poles and do not switch on simultaneously, recess and driving motor's output shaft fixed connection, the quantity of gag lever post is more than stopping the quantity of piece one.
The copper-clad circuit board etching processing method comprises four steps of information pre-input, copper-clad plate placement, copper-clad plate conveying driving, etching and copper-clad plate taking out, and specifically comprises the following steps:
pre-input of information: according to the type identification of the copper-clad plate to be etched at present, the wiring diagram information of the copper-clad plate is input into an information storage module, and the information of the copper-clad plate is stored by the information storage module;
placing a copper-clad plate: placing the copper-clad plate on a placing table, then placing the placing table on a conveyor belt, and starting an external motor and a driving motor;
conveying and driving the copper-clad plate and etching: when the placing table is conveyed to the lower part of the etching mechanism by utilizing the driving of an external motor, the control module conducts the power supply of the first electromagnetic block and the second electromagnetic block, so that the copper-clad plate is fixed to the lower part of the etching mechanism by utilizing the action of the first electromagnetic block and the second electromagnetic block, the driving motor is utilized to drive the small reel to rotate, then the distance data measured between the distance measuring assembly, namely the laser emitting head and the laser receiving head, are uploaded to the information processing module in real time, the information processing module analyzes and processes the data and performs position comparison with the pre-input copper-clad plate wiring diagram information, the position of the current laser etching assembly is obtained, the position information of the laser etching assembly is transmitted to the control module, the control module starts the corresponding etching laser head on the laser etching assembly to etch the copper-clad plate according to the current comparison result, and the operation in the step is repeated until the whole copper-clad plate etching is completed;
and (3) taking out the copper-clad plate: and the copper-clad plate is sent out from the other end under the drive of the conveyor belt, and the etched copper-clad plate is taken out.
The invention has the following beneficial effects:
1. according to the copper-clad circuit board etching processing method and device, the conveyer belt with the locating holes is arranged on the conveyer belt, the conveyer belt is driven to rotate by the driving roller, the copper-clad plate to be etched is placed on the placing table by a worker, then the conveyer belt is directly placed on the conveyer belt from the feeding end of the device, so that the short rod corresponding to the bottom end of the placing table is inserted into the locating holes, then the bottom of the etching mechanism is moved along with the rotation of the conveyer belt, the fixing of the placing table relative to the position of the conveyer belt and the clamping and fixing of the copper-clad plate by the clamping mechanism arranged on the placing table are realized through the first electromagnetic block and the second electromagnetic block arranged at the bottom end of the supporting plate, and therefore the stability of the copper-clad plate in the etching process is ensured, the etching quality of the copper-clad plate is ensured, and meanwhile, the working efficiency is greatly improved by simply placing the copper-clad plate on the placing table.
2. According to the copper-clad circuit board etching processing method and device, the movement of the laser etching component is controlled through the arranged reel structure, the laser emitting head and the infrared receiving end which is arranged on the hanging end and can be used in a matched mode with the laser emitting head are utilized for positioning the hanging end at the transverse position, the distance between the hanging end and the laser emitting head is obtained according to measurement, so that the transverse position information of the hanging end is determined, the distance signal is transmitted to the input end of the control module, the control module compares the shape of the wiring pattern of the copper-clad plate which is currently etched and the position information of the hanging end which are input by a system in advance, the laser etching component is controlled to start when the wiring pattern is not needed to be etched on the copper-clad plate, meanwhile, the laser etching can be carried out on the redundant copper-clad plate, and meanwhile, stable conveying can be realized through the structure arrangement in the small reel, automatic locking can be realized when the device is in the condition of unexpected power failure, the hanging end cannot move, meanwhile, the current etching operation can be continued after the device is electrified, and the copper-clad plate can be completely etched.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a first perspective structure of the connection between the placement table and the clamping mechanism of the present invention;
FIG. 3 is a schematic view showing a first perspective structure of the connection between the placement table and the clamping mechanism of the present invention;
FIG. 4 is a schematic perspective view of a clamping mechanism according to the present invention;
FIG. 5 is a schematic diagram showing the three-dimensional structure of the etching mechanism according to the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 5A according to the present invention;
FIG. 7 is a schematic perspective view of a reel structure according to the present invention;
FIG. 8 is a schematic view of the internal cross-sectional structure of the small reel of the present invention;
FIG. 9 is a schematic perspective view of a second winding and unwinding wheel according to the present invention;
FIG. 10 is a schematic cross-sectional view of two small reels of the present invention at the time of power failure;
FIG. 11 is a schematic diagram of a control flow structure of the present invention.
In the figure: 1. a base; 2. a bearing plate; 3. a first electromagnetic; 4. a second electromagnetic block; 5. a conveyor belt; 6. a placement table; 7. a chute; 8. a clamping mechanism; 81. a first winding and unwinding wheel; 82. the second winding and unwinding wheel; 821. a wheel body; 822. a ring groove; 823. a permanent magnet structure; 83. a guide wheel; 84. a connecting rope; 85. clamping the strip; 86. a first return spring; 9. an etching mechanism; 91. a top shell; 92. an inner tank; 93. a riser; 94. a laser emitting head; 95. a transverse groove; 96. a reel structure; 961. a small reel; 9611. a small wheel body; 9612. a groove; 9613. a central rod; 9614. a limit rod; 9615. stopping blocks; 9616. a limiting block; 9617. a second return spring; 9618. a third electromagnetic block; 962. a connecting belt; 963. hanging the end head; 964. positioning a transverse plate; 10. and a laser etching assembly.
Detailed Description
The embodiments of the present invention will be clearly and completely described below with reference to the drawings in the present invention, and the configurations of the structures described in the following embodiments are merely examples, and the etching method and apparatus for copper-clad wiring boards according to the present invention are not limited to the structures described in the following embodiments, but all other embodiments obtained by a person skilled in the art without making any inventive effort are within the scope of the present invention.
Referring to fig. 1, fig. 2, fig. 3 and fig. 7, a copper-clad circuit board etching processing method and device are disclosed, which comprises a base 1, wherein a supporting plate 2 is fixedly installed above the middle part of the inside of the base 1, a first electromagnetic component 3 is fixedly installed at two sides of the bottom end of the supporting plate 2 in the transverse direction of the base 1 respectively, a second electromagnetic block 4 is fixedly installed at the middle part of the bottom end of the supporting plate 2, a driving roller is movably installed above two ends of the inside of the base 1 respectively, an external motor is installed at one end of the driving roller, a conveyor belt 5 is movably sleeved on the driving roller, positioning holes are uniformly formed on the outer surface of the conveyor belt 5, a placing table 6 is placed on the conveyor belt 5, sliding grooves 7 are uniformly formed in four sides of the placing table 6, a clamping mechanism 8 is movably arranged in the placing table 6, an etching mechanism 9 is fixedly installed at the middle part of the top end of the base 1, a laser etching component 10 is fixedly installed at the middle part of the bottom end of the etching mechanism 9, and a control module, an information storage module and an information processing module are fixedly installed on one side of the base 1;
compared with the prior art, the copper-clad plate to be etched is placed on the placing table 6 by a worker through the conveyor belt 5 provided with the locating holes on the conveyor belt, the conveyor belt 5 is driven to rotate by the driving roller, then the copper-clad plate to be etched is directly placed on the conveyor belt 5 from the feeding end of the device, so that the short rod corresponding to the bottom end of the placing table 6 is inserted into the locating holes, then moves to the bottom of the etching mechanism 9 along with the rotation of the conveyor belt 5, the fixing of the placing table 6 relative to the position of the conveyor belt 5 and the clamping and fixing of the copper-clad plate by the clamping mechanism 8 arranged on the placing table 6 are realized through the first electromagnetic block 3 and the second electromagnetic block 4 arranged at the bottom end of the bearing plate 2, thereby ensuring the stability of the copper-clad plate in the etching process, ensuring the etching quality of the copper-clad plate, and simultaneously greatly improving the working efficiency by simply placing the copper-clad plate on the placing table 6 by manpower, meanwhile, the movement of the laser etching assembly 10 is controlled through the arranged reel structure 96, the infrared receiving end which is arranged on the laser emitting head 94 and the hanging end 963 and used for ranging is utilized to position the hanging end 963 at the transverse position, the distance between the hanging end 963 and the laser emitting head 94 is known according to measurement, so that the position information of the hanging end 963 at the transverse position is determined, the distance signal is transmitted to the input end of the control module, the control module compares the wiring pattern shape of the copper foil plate which is etched currently and the position information of the hanging end 963 which are input by the system in advance, and the laser etching assembly 10 is controlled to start when the wiring pattern position which is not needed to be etched on the copper foil plate is controlled to carry out laser etching on redundant copper foil plates, simultaneously can realize carrying in stable and automatic locking when the circumstances of unexpected outage takes place for the device through the inside structure setting of small reel 961, guarantee to hang end 963 and can not take place to remove, can continue current etching operation simultaneously after the device is later circular telegram to guarantee that the device can carry out the etching of copper-clad plate completely.
It should be noted that, the purpose of the control module provided in the present application is to control the device, so long as the function can be achieved, and the specific structure and model of the control module are not limited in the present application.
Referring to fig. 2, 3 and 5, the etching method and apparatus for a copper-clad circuit board include a first electromagnetic block 3 and a second electromagnetic block 4, where the first electromagnetic block 3 and the second electromagnetic block 4 are electrically connected to a control module, a material of a placement table 6 is a magnetically attractable metal material, two sides of the placement table 6 and two sides of an etching mechanism 9 are provided with signal transceiver structures for positioning, and positioning signals transmitted by the signal transceiver structures can control on-off of power supplies of the first electromagnetic block 3 and the second electromagnetic block 4 through the control module;
in this embodiment, it should be noted that, after the copper-clad plate is placed on the placing table 6 by the staff, the placing table 6 is carried out along with the conveying and moving process of the conveyor belt 5, the signals of the signal receiving and transmitting structure are connected in opposite directions, at this time, the signals are transmitted to the control module to switch on the power supplies of the first electromagnetic 3 and the second electromagnetic block 4 and to disconnect the power supply of the external motor, the power supply of the first electromagnetic 3 is conducted to enable the first electromagnetic 3 to generate magnetic attraction force, thereby adsorbing the placing table 6, enabling the adhesion between the placing table 6 and the conveyor belt 5 to be tighter, simultaneously enabling the lower surface of the conveyor belt 5 to be adhered to the upper surface of the supporting plate 2, simultaneously enabling the external motor to be powered off, so that the position of the copper-clad plate is ensured to be in the etchable range below the etching mechanism 9, and the second electromagnetic block 4 is conducted to enable the clamping mechanism 8 to generate repulsive force, and further enable the first winding and unwinding wheel 81 and the second winding and unwinding wheel 82 to rotate, so that the clamping strip 85 is driven to shrink in the middle to clamp and fix the copper-clad plate, and the relative position between the placing table 6 is ensured, and the subsequent etching effect is ensured.
Referring to fig. 2 and 4, a copper-clad circuit board etching processing method and device includes a clamping mechanism 8, wherein the clamping mechanism 8 includes a first winding and unwinding wheel 81, the first winding and unwinding wheel 81 is movably arranged at the center of the inside of a placing table 6, the bottom end of the first winding and unwinding wheel 81 is fixedly connected with a second winding and unwinding wheel 82 capable of synchronously rotating, four guide wheels 83 are uniformly arranged on the outer circumferences of the first winding and unwinding wheel 81 and the second winding and unwinding wheel 82, a connecting rope 84 is movably connected between the first winding and unwinding wheel 81 and the second winding and unwinding wheel 82 and the two guide wheels 83 respectively, one end of the outer part of the connecting rope 84 is fixedly provided with a clamping strip 85, and a first reset spring 86 is fixedly connected between the outer side surface of the clamping strip 85 and the inside of the placing table 6;
in this embodiment, it should be noted that, the diameters of the first winding and unwinding wheel 81 and the second winding and unwinding wheel 82 are the same, the central axes are fixedly connected, two of the four guide wheels 83 are a group of two of each interval and are the same in height, the height of the two groups of guide wheels 83 is the same as the height of the first winding and unwinding wheel 81 and the height of the second winding and unwinding wheel 82, the middle bottom end and two sides of the clamping strip 85 are respectively provided with an extension rod, the extension rods are movably arranged inside the sliding groove 7, the first reset spring 86 is in a stretched state when the clamping strip 85 contracts towards the middle, so that when the second electromagnetic block 4 is conducted, the second winding and unwinding wheel 82 is driven to rotate by generated magnetic repulsion force, and the second winding and unwinding wheel 82 drives the first winding and unwinding wheel 81, so that the connecting rope 84 is wound on the first winding and unwinding wheel 81 and the second winding and unwinding wheel 82, and the four clamping strips 85 are synchronously wound towards the center of the first winding and unwinding wheel 81, and further the copper plate is placed on the upper surface of the placing table 6 and automatically moved towards the middle, and the copper plate is locked when the copper plate is etched, and the copper plate is not etched, and the etching quality is guaranteed, and the copper plate can be moved to the etching position is guaranteed.
Referring to fig. 3, 4 and 9, a method and a device for etching a copper-clad circuit board include a second winding and unwinding wheel 82, wherein the second winding and unwinding wheel 82 includes a wheel body 821, a ring groove 822 is formed at the bottom end of the wheel body 821, and a permanent magnet structure 823 is fixedly mounted in the ring groove 822;
in this embodiment, it should be noted that, the wheel body 821 and the second electromagnetic block 4 are disposed opposite to each other, the permanent magnet structure 823 is composed of a trapezoid block and a permanent magnet embedded in the inclined surface of the trapezoid block, the magnetic pole of the outer surface of the permanent magnet on the permanent magnet structure 823 is the same as the magnetic pole above the second electromagnetic block 4 when the second electromagnetic block 4 is conducted, so that the magnetic force generated after the second electromagnetic block 4 is conducted acts on the permanent magnet disposed on the permanent magnet structure 823, and because the permanent magnet is disposed inclined, the magnetic repulsive force between the second electromagnetic block 4 and the permanent magnet structure 823 generates a component force for driving and rotating transversely at the inclined surface of the permanent magnet structure 823, the integral rotation of the second winding and unwinding roller 82 can be realized through the component force, and the clamping effect of the clamping mechanism 8 on the copper clad laminate is realized.
Referring to fig. 1, 5 and 6, the etching method and apparatus for copper-clad circuit board include an etching mechanism 9, where the etching mechanism 9 includes a top shell 91, the top shell 91 is fixedly installed in the middle of the top end of the base 1, an inner groove 92 is provided on the middle of the lower surface of the top shell 91 in the direction perpendicular to the transverse direction of the base 1, a riser 93 is fixedly installed at one end of the inner groove 92, a laser emitter 94 is fixedly installed on one side of the riser 93 located in the middle of the inner groove 92, transverse grooves 95 are provided on two sides of the inner part of the inner groove 92, a reel structure 96 is movably installed in the inner part of the inner groove 92, and a driving motor is installed on the end of the reel structure 96 located in the top shell 91;
in this embodiment, it should be noted that, the laser etching component 10 is located on the side where the laser emitting head 94 is located, the laser receiving head 94 and the laser receiving head are both electrically connected with the control module, the driving motor at the end of the reel structure 96 is also electrically connected with the control module, so that the distance information detected by the laser emitted between the laser emitting head 94 and the laser receiving head is transmitted to the control module in real time, the control module can determine according to the current position information in combination with the wiring pattern position information input by the pre-information input end, so as to accurately control the etching laser head to be started on the current laser etching component 10, start the driving motor after the copper-clad plate etching at the position is completed, continuously move and calculate the distance, and then repeat the above process until the whole copper-clad plate etching is completed, so that the device can realize automatic locking and positioning after feeding, and can automatically and accurately perform the circuit layout etching of the copper-clad plate, and the use effect of the device is improved.
Please refer to a copper-clad circuit board etching processing method and apparatus shown in fig. 6 and 7, including a reel structure 96, the reel structure 96 includes two small reels 961, two small reels 961 are respectively movably mounted inside the inner groove 92, and the end portions of the two small reels 961 are embedded in the top shell 91 and are provided with driving motors, the output shafts of the driving motors are fixedly connected with the end portions of the small reels 961, connecting belts 962 are movably wound on the two small reels 961, hanging end heads 963 are fixedly connected between adjacent ends of the two connecting belts 962, positioning transverse plates 964 are fixedly mounted at two ends of the hanging end heads 963 respectively, the positioning transverse plates 964 are movably connected in the transverse grooves 95, the two small reels 961 and internal components are symmetrically arranged, thus, in the moving process, the driving motors at the side of the moving direction can start to drive the small reels 961 to rotate, thereby the connecting belts 962 pull the hanging end heads 963, the internal structure of the small reels 961 can also play a role of resistance, the connecting belts 962 can be loose and the laser etching device can not stop moving in a tight state when the laser etching device is in a moving position, and the laser etching effect can not be guaranteed.
Referring to fig. 7, 8 and 10, the etching method and apparatus for a copper clad circuit board include a small reel 961, where the small reel 961 includes a small wheel 9611, the inside of the small wheel 9611 is hollow, a groove 9612 is uniformly formed in the circumference of the inner wall of the small wheel 9611, a central rod 9613 fixedly connected to the top shell 91 is disposed in the middle of the inside of the small wheel 9611, a stop rod 9614 is uniformly and fixedly mounted on the outer surface of the central rod 9613 in the circumference, a rotatable stop block 9615 is disposed at one end of the groove 9612, a stop block 9616 is fixedly mounted on the inner wall of the groove 9612 at one end of the stop block 9615, a second return spring 9617 is disposed at the bottom end of the stop rod 9614 in the central rod 9613, and a third electromagnetic block 9618 is fixedly mounted at one end of the central rod 9613 in the second return spring 9617;
in this embodiment, it should be noted that, the shape of the groove 9612 is adapted to the shape of the stop block 9615, the sizes of two ends of the stop block 9615 are different, the side surface facing the center rod 9613 between the two ends of the stop block 9615 is arc-shaped, the rotating end of the stop block 9615 is at one small end, the resettable bar spring is sleeved outside the rotating shaft of the rotating end, the outer end of the stop rod 9614 is a rubber end, the end of the stop rod 9614 when fully extending out exceeds the end of the stop block 9615 and can be in contact with the stop block 9615, the third electromagnetic block 9618 is electrically connected with the control module, the third electromagnetic blocks 9618 with two ends disposed in different center rods 9613 are not simultaneously conducted with the driving motor, the groove 9612 is fixedly connected with the output shaft of the driving motor, the number of the stop rod 9614 is one greater than that of the stop block 9615, the recess 9612 of the one end that driving motor switched on can become the initiative part, and the recess 9612 of opposite side then is the driven part, the rotation of initiative part can drive the connecting band 962 and rotate, thereby pull and hang end 963 removal, and the friction when rotatory with stopping piece 9615 with the help of the tip of gag lever post 9614 can be fine guarantee to rotate and can not take place inertial traction, and then avoid hanging end 963 to take place inertial sliding, simultaneously when hanging end 963 removes the region that needs to carry out etching, driving motor of driven part also can switch on, and then the third electromagnet 9618 of this side can outage, gag lever post 9614 can stretch out like this, because be symmetrical setting, gag lever post 9614 and stopping piece 9615 of driven side can play restriction counter-rotating's effect like this, and then avoid hanging end 963 backward movement, further guaranteed the accuracy of follow-up etching.
Referring to fig. 11, the method for etching a copper-clad circuit board includes four steps of pre-inputting information, placing a copper-clad plate, conveying and driving the copper-clad plate, and etching and taking out the copper-clad plate, and specifically includes the following steps:
pre-input of information: according to the type identification of the copper-clad plate to be etched at present, the wiring diagram information of the copper-clad plate is input into an information storage module, and the information of the copper-clad plate is stored by the information storage module;
placing a copper-clad plate: placing the copper-clad plate on a placing table 6, then placing the placing table 6 on a conveyor belt 5, and starting an external motor and a driving motor;
conveying and driving the copper-clad plate and etching: when the placing table 6 is conveyed to the lower part of the etching mechanism 9 by utilizing the driving of an external motor, the control module conducts the power supply of the first electromagnetic 3 and the second electromagnetic block 4, so that the copper-clad plate is fixed below the etching mechanism 9 by utilizing the action of the first electromagnetic 3 and the second electromagnetic block 4, the small reel 961 is driven to rotate by utilizing the driving motor, then the distance data measured between the distance measuring assembly, namely the laser emitting head 94 and the laser receiving head, is uploaded to the information processing module in real time, the information processing module analyzes and processes the data and compares the data with the pre-input copper-clad plate wiring diagram information in position to obtain the position of the current laser etching assembly 10, the position information of the laser etching assembly (10) is transmitted to the control module, the control module starts the corresponding etching laser head on the laser etching assembly 10 to etch the copper-clad plate according to the current comparison result, the operation in the step is repeated until the whole copper-clad plate etching is completed,
and (3) taking out the copper-clad plate: the copper-clad plate is sent out from the other end under the drive of the conveyor belt 5, and the etched copper-clad plate is taken out.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a copper clad circuit board etching processingequipment, includes base (1), its characterized in that: the device comprises a base (1), wherein a supporting plate (2) is fixedly arranged above the middle part of the inside of the base (1), first electromagnetism (3) is fixedly arranged at two sides of the bottom end of the supporting plate (2) in the transverse direction of the base (1), a second electromagnet block (4) is fixedly arranged in the middle of the bottom end of the supporting plate (2), a driving roller is movably arranged above the two ends of the inside of the base (1), an external motor is arranged at one end of the driving roller, a conveying belt (5) is movably sleeved on the driving roller, positioning holes are uniformly formed in the outer surface of the conveying belt (5), a placing table (6) is placed on the conveying belt (5), sliding grooves (7) are uniformly formed in four sides of the placing table (6), a clamping mechanism (8) is movably arranged in the placing table (6), an etching mechanism (9) is fixedly arranged in the middle of the top end of the base (1), a laser etching assembly (10) is fixedly arranged in the middle of the bottom end of the etching mechanism (9), and a control module, an information storage module and an information processing module are fixedly arranged on one side of the base (1).
The clamping mechanism (8) comprises a first winding and unwinding wheel (81), the first winding and unwinding wheel (81) is movably arranged at the center inside the placing table (6), a second winding and unwinding wheel (82) capable of synchronously rotating is fixedly connected to the bottom end of the first winding and unwinding wheel (81), four guide wheels (83) are uniformly arranged on the outer side circumference of the first winding and unwinding wheel (81) and the outer side circumference of the second winding and unwinding wheel (82), a connecting rope (84) is movably connected between the first winding and unwinding wheel (81) and the second winding and unwinding wheel (82) and the two guide wheels (83) respectively, a clamping strip (85) is fixedly arranged at one end outside the connecting rope (84), and a first reset spring (86) is fixedly connected between the outer side surface of the clamping strip (85) and the inside of the placing table (6);
etching mechanism (9) contain top shell (91), top shell (91) fixed mounting is in the top middle part of base (1), inside groove (92) have been seted up at the lower surface of top shell (91) in the ascending middle part of the horizontal vertically of base (1), one end fixed mounting in inside groove (92) has riser (93), fixed mounting has laser emitter (94) on one side that riser (93) are located inside groove (92) middle part place, transverse groove (95) have been seted up to inside both sides of inside groove (92), reel structure (96) are installed to the inside movable setting of inside groove (92), driving motor is installed in the tip of reel structure (96) is located top shell (91).
2. The copper clad circuit board etching processing device according to claim 1, wherein: the first electromagnetic block (3) and the second electromagnetic block (4) are electrically connected with the control module, the placing table (6) is made of a metal material capable of being magnetically attracted, signal receiving and transmitting structures which can be used in pairs and used for positioning are arranged on two sides of the placing table (6) and two sides of the etching mechanism (9) inside, and positioning signals transmitted by the signal receiving and transmitting structures can be controlled by the control module to be on or off with a power supply of the first electromagnetic block (3) and the second electromagnetic block (4).
3. The copper clad circuit board etching processing device according to claim 1, wherein: the first winding and unwinding wheels (81) and the second winding and unwinding wheels (82) are identical in diameter and fixedly connected with each other in a central shaft overlapping mode, the four guide wheels (83) are arranged at intervals, two guide wheels are arranged at intervals, the height of the two guide wheels (83) is equal to that of the first winding and unwinding wheels (81) and the second winding and unwinding wheels (82) respectively, the middle parts and two sides of the bottom end of the clamping strip (85) are respectively provided with an extension rod, the extension rods are movably arranged inside the sliding groove (7), and the first reset spring (86) is in a stretching state when the clamping strip (85) contracts towards the middle part.
4. A copper clad circuit board etching apparatus according to claim 3, wherein: the second winding and unwinding wheel (82) comprises a wheel body (821), an annular groove (822) is formed in the bottom end of the wheel body (821), and a permanent magnet structure (823) is fixedly mounted in the annular groove (822).
5. The copper clad circuit board etching apparatus according to claim 4, wherein: the wheel body (821) is arranged opposite to the second electromagnetic block (4), the permanent magnet structure (823) is composed of a trapezoid block and a permanent magnet embedded in the inclined surface side of the trapezoid block, and the magnetic pole of the outer surface of the permanent magnet on the permanent magnet structure (823) is the same as the magnetic pole above the second electromagnetic block (4) when the permanent magnet is conducted.
6. The copper clad circuit board etching processing device according to claim 1, wherein: the laser etching assembly (10) is located on the side where the laser emitting head (94) is located, a laser receiving head which corresponds to the laser emitting head in a matched mode is fixedly installed on the side where the laser emitting head (94) is located, the laser emitting head (94) and the laser receiving head are electrically connected with the control module, and a driving motor at the end portion of the reel structure (96) is electrically connected with the control module.
7. The copper clad circuit board etching processing device according to claim 1, wherein: the utility model provides a reel structure (96) is including two little reel (961), two little reel (961) movable mounting respectively is inside groove (92), and two the tip of little reel (961) is all embedded to be installed driving motor in top shell (91), the output shaft of this driving motor and the tip fixed connection of little reel (961), two equal movable winding has connecting band (962) on little reel (961), fixedly connected with hangs end (963) between two connecting band (962) adjacent ends, the both ends of hanging end (963) are fixed mounting respectively has location diaphragm (964), location diaphragm (964) swing joint is in cross slot (95), two little reel (961) and inside subassembly symmetry set up.
8. The copper clad circuit board etching apparatus according to claim 7, wherein: the small reel (961) contains little wheel body (9611), little wheel body (9611) inside is the cavity form, just circumference evenly sets up fluted (9612) on little wheel body (9611) inner wall, the inside middle part of little wheel body (9611) is provided with central pole (9613) with top shell (91) fixed connection, circumference even fixed mounting has gag lever post (9614) on the surface of central pole (9613), the one end of fluted (9612) is provided with rotatable stopping piece (9615), the rotatory one end of stopping piece (9615) is located fixed mounting stopper (9616) on fluted (9612) inner wall, the bottom of gag lever post (9614) is located central pole (9613) and is provided with second reset spring (9617), the one end fixed mounting that is located second reset spring (9617) in central pole (9613) has third electromagnet block (9618).
9. The copper clad circuit board etching apparatus according to claim 8, wherein: the utility model discloses a stop block (9615) shape looks adaptation, stop the both ends size of stopping piece (9615) is different, just stop the side of stopping piece (9615) between both ends towards center pole (9613) and be the arc setting, the rotatory end of stopping piece (9615) is the one end that sets up at the size weak point, and the outside cover of the rotation axis of this rotatory end is equipped with the legal spring that can reset, the outer end of gag lever post (9614) is the rubber material end, just the tip when gag lever post (9614) stretches out completely can surpass the tip of stopping piece (9615) and can stop between stopping piece (9615) laminating contact, third electromagnetic piece (9618) are connected with the control module electricity, and both ends are located third electromagnetic piece (9618) and driving motor that set up in different center poles (9613) and do not switch on simultaneously, the output shaft fixed connection of recess (9612) and driving motor, the quantity of gag lever post (9614) is than stopping piece (9615) quantity more.
10. The etching processing method of the copper-clad circuit board is characterized by comprising the following steps of: the method comprises four steps of pre-inputting information, placing a copper-clad plate, conveying and driving the copper-clad plate, etching and taking out the copper-clad plate, and specifically comprises the following steps:
pre-input of information: according to the type identification of the copper-clad plate to be etched at present, the wiring diagram information of the copper-clad plate is input into an information storage module, and the information of the copper-clad plate is stored by the information storage module;
placing a copper-clad plate: placing the copper-clad plate on a placing table (6), then placing the placing table (6) on a conveyor belt (5), and starting an external motor and a driving motor;
conveying and driving the copper-clad plate and etching: when the placing table (6) is conveyed to the lower part of the etching mechanism (9) by utilizing the driving of an external motor, the control module conducts the power supply of the first electromagnetic block (3) and the second electromagnetic block (4), so that the copper-clad plate is fixed to the lower part of the etching mechanism (9) by utilizing the action of the first electromagnetic block (3) and the second electromagnetic block (4), the driving motor is utilized to drive the small reel (961) to rotate, then the distance data measured between the distance measuring assembly, namely the laser emitting head (94) and the laser receiving head, are uploaded to the information processing module in real time, the information processing module analyzes the data and compares the data with the pre-input copper-clad plate wiring diagram information to obtain the position of the current laser etching assembly (10), the position information of the laser etching assembly (10) is transmitted to the control module, and the control module starts the corresponding etching laser head on the laser etching assembly (10) to etch the copper-clad plate according to the current comparison result, and the operation in the step is repeated until the whole copper-clad plate etching is completed;
and (3) taking out the copper-clad plate: and the copper-clad plate is sent out from the other end under the drive of a conveyor belt (5), and the etched copper-clad plate is taken out.
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| CN202310543499.XA CN116321765B (en) | 2023-05-15 | 2023-05-15 | Etching processing method and device for copper-clad circuit board |
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| CN117545172B (en) * | 2023-11-28 | 2024-05-10 | 佛山市顺德区骏达电子有限公司 | Copper-clad plate etching method |
| CN118102615B (en) * | 2024-04-02 | 2024-08-06 | 佛山市美宝顺电子科技有限公司 | Circuit board adjustable limiting die bonder |
| CN118577955B (en) * | 2024-05-08 | 2025-10-03 | 江苏兴启航新材料科技有限公司 | Etching equipment for wearable flexible electronic devices |
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|---|---|---|---|---|
| US5989994A (en) * | 1998-12-29 | 1999-11-23 | Advantest Corp. | Method for producing contact structures |
| JP2002053983A (en) * | 2000-08-03 | 2002-02-19 | Shiizu:Kk | Substrate treatment apparatus |
| CN1933698A (en) * | 2005-09-16 | 2007-03-21 | 富葵精密组件(深圳)有限公司 | Film hole forming device and method |
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| US7062845B2 (en) * | 1996-06-05 | 2006-06-20 | Laservia Corporation | Conveyorized blind microvia laser drilling system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5989994A (en) * | 1998-12-29 | 1999-11-23 | Advantest Corp. | Method for producing contact structures |
| JP2002053983A (en) * | 2000-08-03 | 2002-02-19 | Shiizu:Kk | Substrate treatment apparatus |
| CN1933698A (en) * | 2005-09-16 | 2007-03-21 | 富葵精密组件(深圳)有限公司 | Film hole forming device and method |
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