CN103042074A - Detection jig and detection method for LED (light-emitting diode) display back plate punching hole - Google Patents
Detection jig and detection method for LED (light-emitting diode) display back plate punching hole Download PDFInfo
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- CN103042074A CN103042074A CN2013100288705A CN201310028870A CN103042074A CN 103042074 A CN103042074 A CN 103042074A CN 2013100288705 A CN2013100288705 A CN 2013100288705A CN 201310028870 A CN201310028870 A CN 201310028870A CN 103042074 A CN103042074 A CN 103042074A
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- 238000004080 punching Methods 0.000 title claims abstract description 72
- 238000001514 detection method Methods 0.000 title claims abstract description 40
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- 238000000034 method Methods 0.000 claims description 14
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- 210000003027 ear inner Anatomy 0.000 description 2
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- 238000007689 inspection Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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Abstract
The invention discloses a detection jig and a detection method for an LED (light-emitting diode) display back plate punching hole, and relates to manufacture and detection of punching products. The detection jig comprises a base plate which is provided with a punching hole positioning PIN which is inserted on the base plate and extends out of the base plate; an approach switch is also arranged on the base plate and is arranged below the height of the punching hole positioning PIN, and is connected with the externally connected signal input interface of a controller of a punching machine through an inductor connecting port. By utilizing the corresponding relationship of a punching hole positioning PIN of the jig and the punching hole as well as the position detection of the approach switch, the punching hole detection can be realized automatically. According to the invention, the detection speed is rapid; manual work can be saved; also the detection result is stable; the standards are unified; and the delivery finished product rate can be improved greatly.
Description
Technical field
The present invention relates to a kind of stamping products---the manufacturing of light-emitting diode display backboard, detection, particularly utilize special fixture to the detection of punching.
Technical background
The backboard of light-emitting diode display is the vitals that liquid crystal panel and circuit board are installed.Light-emitting diode display, complicated structure, so as its support and the backboard of positioner on the labyrinths such as many fluctuatings such as locating hole, screw hole, projection, recessed, chamfering, various shapes, snap fit are also arranged, and these structures all need accurate location could satisfy the normal mounting of light-emitting diode display.Existing backboard generally all is metal---the materials such as aluminium, steel, adopts the technique manufacturing of punching press.Because the progress of technique, existing stamping machine progressive die technology can realize the stamped to above-mentioned various CONSTRUCTED SPECIFICATIONs.
In above-mentioned CONSTRUCTED SPECIFICATION, punching (comprising locating hole, screw, through hole etc.) is very crucial structure, and difficulty of processing is relatively large, because need punching saturating and higher to required precision.If have indivedual punchings not punching thoroughly or position deviation excessive, that will directly affect the assembling of whole light-emitting diode display.
As previously mentioned, in the punching production of existing assembling die, two kinds of Design of Dies thinkings are generally arranged, a kind of is blanking after all punching press actions are finished, carry out above-mentioned punching again and detect, such advantage is that Punching Process is quick continuously, and defective is the centre that the processing of punching is positioned at whole flow process, if punching is bad, subsequent technique all is waste.Another kind is at first to carry out later on manual detection in the punching press punching, and such defective is the punch process that can interrupt complete smoothness naturally, reduces production efficiency.
Simultaneously, what existing punching quality detected employing is that manual type detects, whether mode is to detect the workman light-emitting diode display backboard AutoCAD drawing of the backboard of light-emitting diode display and standard is compared to detect whether small opening is arranged, and meet the requirements with the manual measured hole heart of the instruments such as micrometer position.Such detection method labor intensive material resources, and the detection quality is unstable, detection speed slow, workman's working strength is large, and the product fraction defective is very high.Also has a kind of optical detecting method, to utilize optical scanning device, scan detection, although so accurately fast, one comes that cost is very high (and to have like this product of the labyrinth such as flanging, need the scanning of stereo directional for the backboard of light-emitting diode display, cost will further improve), two can not directly realize on the ducted fluid flow waterline, and Speed Reduction is so promote also few.
Summary of the invention
The present invention be the detection speed that brings for the described existing detection method of technical solution background slow, detect that effect is unstable, fraction defective is high, wasting manpower and material resources's shortcoming (and the Cost Problems of optical detection also is one of to consider), invent a kind of detection method of punching of effective, light-emitting diode display backboard that cost is low completely newly.
At first, the present invention discloses the detection tool of a kind of light-emitting diode display backboard punching, it is characterized in that: comprise base plate, base plate is provided with punching location PIN pin, and described punching location PIN pin vertically is inserted on the base plate and stretches out base plate; On the described base plate, below the height of punching location PIN pin, also be provided with approach switch, approach switch connects the outer signal input interface of the controller of punch press by the inductor connector.
Preferably, punching location PIN arranges a plurality of for the punching position of answering product to be checked.
Further preferred: described approach switch also is provided with a plurality of, be distributed in base plate around and middle.
The punching pore-forming detection method of utilizing above-mentioned detection tool to carry out automation is: utilize the process for stamping of the stamping machine progressive die to stamp out all punchings that possess on the product, then before carrying out lower road punch process, arrange a punching to detect station, this punching detects station and arranges punching of the present invention to detect tool; Utilize the means of delivery of ducted fluid flow waterline, product is moved to tool top, put into tool according to positioning relation, it is corresponding one by one that described positioning relation refers to design the position of punching location PIN pin of punching position and tool.After the product dropping place, all approach switchs of tool detect whether the product introduction effective range is arranged, and with the controller of this communication to punch press; If all enter effective range, think that then the product punching is qualified, continue the detection of next product; Otherwise, think defective, subsequently controller control punch press is made corresponding processing action.
It is pre-set processing action, can comprise sounding the alarm, alarm light, stopping, count statistics etc.
Beneficial effect of the present invention is apparent, can be installed on the modern production line, detect by the devices such as the manipulator product of automatically packing into, with the signal of approach switch as whether qualified sign, if the defective punch press that directly feeds back to carries out subsequent action and in time processes.Can better save so manually, and testing result is stable, standard is unified, can reduce dispatching from the factory of defective products, improves the yield rate of dispatching from the factory.
Description of drawings
Fig. 1, the structure principle chart of detection tool of the present invention.
Fig. 2, the structure chart of a typical light-emitting diode display backboard.
A kind of specific product that Fig. 3, the present invention are suitable for is placed on the plane on the embodiment that detects tool.
Fig. 4, product are placed on the lateral plan that detects on the tool embodiment.
The specific embodiment
The structural principle of detection tool of the present invention is as shown in Figure 1: comprise base plate 1, base plate 1 is a housing, possesses sufficient location all around, can hold a product to be detected and unique location.Base plate 1 is provided with the punching location PIN pin 2 of a plurality of corresponding product punching positions, and these punchings location PIN pins 2 can adopt metal to make, and vertically is inserted on the base plate 1 and exceeds the certain height of base plate 1, and this highly need to be in outside the induction range of approach switch 3.On the described base plate 1, below the height of punching location PIN pin, also be provided with approach switch 3.Approach switch 3 also arranges a plurality of, operated by rotary motion around and middle, the webbed induction of shape covers.A plurality of approach switchs 3 connect the controller outer signal input interface 5 of punch press by inductor connector 4.Inductor connector 4 is devices that all approach switch signals are gathered.
The manufacturing technology steps of tool of the present invention: the formation of computer graphic → aperture differentiation and product are kept away the assembling of the plate face boring → tool of processing → NC numerical control file → tool → cloth pin (punching location PIN pin 2) → tool and are installed to station and inspection.
As shown in Figure 2, the backboard product of a typical light-emitting diode display has the CONSTRUCTED SPECIFICATIONs such as many punchings 10, detection hole 11, projection 12, fluctuating 13, all is to utilize progressive die punching press to finish.Purpose of the present invention is exactly the stamping quality that detects punching 10, detects hole 11, comprise whether rushing, precision how.
Such as Fig. 3, Fig. 4, a concrete embodiment is that a model is the test format of the product of LTA400HV04-S01-BTC, and according to the shape of product, the profile that detects tool is not to change, but theory structure is consistent.The selection of the location of punching here PIN pin 2 specifications: Φ 1.50mm (23PCS), Φ 2.00mm (15PCS).
In conjunction with the theory structure of Fig. 1, carry out the elaboration of concrete detection method:
Detection tool of the present invention is arranged on the automatic production line, after all punching operations, describedly can arranges manipulator etc. that product to be detected is kept flat to carry out automation on the detection tool of the present invention and detect.When the punching of product is normal, all punching location PIN pins 2 can pass the punching of the correspondence of product, make product can be smoothly and base plate 1 fit, all approach switchs 3 on the base plate 1 are sensed approach signal, as qualified signal, output signal to the outer signal input interface 5 of the controller of punch press by inductor interface 4, machine tool controller is not done bad processing, and the automatics such as drift, manipulator can continue the normal flow water conservancy project and do; When product exists " small opening " do not rush or punching position deviation, to have punching location PIN pin 2 corresponding to indivedual (one or several) can't pass, product can not level be fallen on the base plate 1, namely can't pass the location PIN pin 2 of punching will put product, and the approach switch 3 of correspondence position just can not be sensed approaching of product.At this moment, this group exists the signal that approaches to export to the outer signal input interface 5 of punch controller by inductor interface 4, and punch controller thinks that this is to have bad product, can make warning, stop, stops the measure such as Manipulator Transportation, waits pending.
In the present embodiment, according to the various pore size distributions of product, design at the tool planar section 8 approach switchs 3 are installed, lay respectively at product around.Certainly, also can arrange in the centre position approach switch 3, also have the position of approach switch can regulate according to the length of location PIN pin 2, not need being close on the tool base plate 1 such as present embodiment.
Like this, the present invention can realize automatically detecting and automatically processing, and has reduced the probability that defective products dispatches from the factory, and improves the product total quality, and the speed that automation detects is fast, efficient is high, workman's labour intensity is low.On the other hand, owing to process through the controller of punch press, can realize easily counting and bit-error locations statistics, for improvement technique, fundamentally improve manufacture level reference data is provided.
Claims (6)
1. the detection tool of light-emitting diode display backboard punching is characterized in that: comprise base plate (1), base plate (1) is provided with punching location PIN pin (2), and it is upper and stretch out base plate (1) that described punching location PIN pin (2) vertically is inserted in base plate (1); On the described base plate (1), below the height of punching location PIN pin, also be provided with approach switch (3), approach switch (3) connects the controller outer signal input interface (5) of punch press by inductor connector (4).
2. the detection tool of a kind of light-emitting diode display backboard according to claim 1 punching is characterized in that: the punching position of the corresponding product to be checked of punching location PIN pin (2) arranges a plurality of.
3. the detection tool of a kind of light-emitting diode display backboard according to claim 1 punching, it is characterized in that: described approach switch (3) is provided with a plurality of.
4. the detection tool of a kind of light-emitting diode display backboard according to claim 3 punching is characterized in that: described approach switch (3) be separately positioned on base plate (1) around and middle.
5. the detection method of light-emitting diode display backboard punching, it is characterized in that: utilize the process for stamping of the stamping machine progressive die to stamp out all punchings that possess on the product, then before carrying out lower road punch process, arrange a punching to detect station, this punching detects station and arranges punching as claimed in claim 1 to detect tool; Utilize the means of delivery of ducted fluid flow waterline, product is moved to the tool top, put into tool according to positioning relation, after the product dropping place, all approach switchs of tool detect whether the product introduction effective range is arranged, and with the controller of this communication to punch press; If all enter effective range, think that then the product punching is qualified, continue the detection of next product; Otherwise, think defective, subsequently controller control punch press is made corresponding processing action.
6. the detection method of a kind of light-emitting diode display backboard according to claim 5 punching, it is characterized in that: it is pre-set that described punch press is made corresponding processing action, can comprise sounding the alarm, alarm light, stopping or count in the statistics one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100288705A CN103042074A (en) | 2013-01-25 | 2013-01-25 | Detection jig and detection method for LED (light-emitting diode) display back plate punching hole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100288705A CN103042074A (en) | 2013-01-25 | 2013-01-25 | Detection jig and detection method for LED (light-emitting diode) display back plate punching hole |
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| CN103042074A true CN103042074A (en) | 2013-04-17 |
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| CN2013100288705A Pending CN103042074A (en) | 2013-01-25 | 2013-01-25 | Detection jig and detection method for LED (light-emitting diode) display back plate punching hole |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105710203A (en) * | 2016-04-12 | 2016-06-29 | 昆山电子羽电业制品有限公司 | Middle frame punching die and punching technology |
| CN106270165A (en) * | 2016-08-09 | 2017-01-04 | 浙江金澳兰机床有限公司 | A kind of chassis adherence checking device |
| CN106457350A (en) * | 2014-06-13 | 2017-02-22 | 萨尔瓦尼尼意大利股份公司 | Punching apparatus |
| CN107527562A (en) * | 2017-10-24 | 2017-12-29 | 山西高科华烨电子集团有限公司 | LED display function jig structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002224761A (en) * | 2001-02-01 | 2002-08-13 | Hitachi Cable Ltd | Punching equipment |
| US6859055B2 (en) * | 2001-02-13 | 2005-02-22 | Intel Corporation | Probe pin array for socket testing |
| CN101221191A (en) * | 2007-01-12 | 2008-07-16 | 深圳富泰宏精密工业有限公司 | Porous workpiece checking device |
| KR100868951B1 (en) * | 2007-05-28 | 2008-11-17 | 한국단자공업 주식회사 | Miss feed prevention device of progressive mold |
| CN202330247U (en) * | 2011-12-05 | 2012-07-11 | 佛山市顺德区骏达电子有限公司 | Needle die device for fast detecting punched holes or drilled holes of circuit board |
| CN202533461U (en) * | 2012-02-24 | 2012-11-14 | 昆山华晨电子有限公司 | Simple detector for diameter of hole in printed board |
| CN203044576U (en) * | 2013-01-25 | 2013-07-10 | 江苏凡润电子有限公司 | Jig for detecting punched hole on back plate of light-emitting diode (LED) display device |
-
2013
- 2013-01-25 CN CN2013100288705A patent/CN103042074A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002224761A (en) * | 2001-02-01 | 2002-08-13 | Hitachi Cable Ltd | Punching equipment |
| US6859055B2 (en) * | 2001-02-13 | 2005-02-22 | Intel Corporation | Probe pin array for socket testing |
| CN101221191A (en) * | 2007-01-12 | 2008-07-16 | 深圳富泰宏精密工业有限公司 | Porous workpiece checking device |
| KR100868951B1 (en) * | 2007-05-28 | 2008-11-17 | 한국단자공업 주식회사 | Miss feed prevention device of progressive mold |
| CN202330247U (en) * | 2011-12-05 | 2012-07-11 | 佛山市顺德区骏达电子有限公司 | Needle die device for fast detecting punched holes or drilled holes of circuit board |
| CN202533461U (en) * | 2012-02-24 | 2012-11-14 | 昆山华晨电子有限公司 | Simple detector for diameter of hole in printed board |
| CN203044576U (en) * | 2013-01-25 | 2013-07-10 | 江苏凡润电子有限公司 | Jig for detecting punched hole on back plate of light-emitting diode (LED) display device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106457350A (en) * | 2014-06-13 | 2017-02-22 | 萨尔瓦尼尼意大利股份公司 | Punching apparatus |
| CN106457350B (en) * | 2014-06-13 | 2018-08-17 | 萨尔瓦尼尼意大利股份公司 | Hole punched device |
| CN105710203A (en) * | 2016-04-12 | 2016-06-29 | 昆山电子羽电业制品有限公司 | Middle frame punching die and punching technology |
| CN106270165A (en) * | 2016-08-09 | 2017-01-04 | 浙江金澳兰机床有限公司 | A kind of chassis adherence checking device |
| CN107527562A (en) * | 2017-10-24 | 2017-12-29 | 山西高科华烨电子集团有限公司 | LED display function jig structure |
| CN107527562B (en) * | 2017-10-24 | 2023-09-19 | 山西高科华杰光电科技有限公司 | LED display screen function jig structure |
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Application publication date: 20130417 |