CN221366280U - Spray head cleaning device of character spray printer - Google Patents
Spray head cleaning device of character spray printer Download PDFInfo
- Publication number
- CN221366280U CN221366280U CN202323418977.9U CN202323418977U CN221366280U CN 221366280 U CN221366280 U CN 221366280U CN 202323418977 U CN202323418977 U CN 202323418977U CN 221366280 U CN221366280 U CN 221366280U
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- China
- Prior art keywords
- negative pressure
- ink
- nozzle
- hole
- discharge
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- 238000004140 cleaning Methods 0.000 title claims abstract description 55
- 239000007921 spray Substances 0.000 title claims abstract description 33
- 238000001179 sorption measurement Methods 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000007639 printing Methods 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 3
- 238000001035 drying Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Ink Jet (AREA)
Abstract
The utility model provides a cleaning device for a spray head of a character spray printer, which comprises a negative pressure box and a collecting box. The collecting box is provided with an inner cavity and a plurality of ink discharge grooves, a negative pressure hole and a discharge hole are arranged in the ink discharge grooves, the negative pressure hole is positioned at the edge of the ink discharge grooves, and the discharge hole is positioned at the center of the ink discharge grooves; the ink discharging groove is internally provided with a cleaning block, the cleaning block comprises a suction nozzle and a guide sheet, the suction nozzle is covered on the negative pressure hole, the guide sheet is suspended above the discharging hole, the top of the suction nozzle is higher than the top of the guide sheet, and the top of the suction nozzle is provided with a cleaning opening; an adsorption pipeline and a liquid discharge pipeline are arranged in the negative pressure box, the adsorption pipeline is staggered with the liquid discharge pipeline, the adsorption pipeline is communicated with the negative pressure hole, and the liquid discharge pipeline is communicated with the liquid discharge hole. The suction nozzle generates negative pressure to suck out the residual ink in the nozzle, the suction nozzle and the guide piece are integrally formed, the sucked ink can be guided to fall into the ink discharge groove, the ink collected in the ink discharge groove is discharged through the discharge hole, the ink can be prevented from drying up to block the nozzle, and the jet printing quality of the circuit board is improved.
Description
Technical Field
The utility model relates to the technical field of circuit board spray printing, in particular to a spray head cleaning device of a character spray printing machine.
Background
In order to improve the production efficiency of the circuit board, characters are printed on the surface of the circuit board by adopting a character jet printer. Specifically, the ink jet head of the ink jet printer is provided with a substrate, and the substrate is provided with a plurality of nozzles, namely an ink outlet.
After the jet printing task is completed, ink remains at the nozzle position, and the ink is deposited at the nozzle after being dried, so that the nozzle is easy to be blocked, and the problems of ink interruption, unclear characters and the like exist after the jet printing of the circuit board.
Therefore, how to avoid ink deposition at the nozzles, quick cleaning of the inkjet head is a problem to be solved.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art and provide a cleaning device for a spray head of a character spray printer, which can quickly remove the ink remained at the position of an ink-jet head, avoid the blockage of a nozzle and improve the spray printing quality of a circuit board.
The aim of the utility model is realized by the following technical scheme:
A cleaning device for a nozzle of a character jet printer, which is arranged on a frame of the jet printer and used for cleaning an ink-jet head, comprising: negative pressure box and collection box;
The ink jet head is provided with a plurality of jet printing modules, each jet printing module is provided with a substrate, and the substrate is provided with a nozzle;
The collecting box is provided with an inner cavity and a plurality of ink discharge grooves, a negative pressure hole and a discharge hole are arranged in the ink discharge grooves, the negative pressure hole is positioned at the edge of the ink discharge grooves, and the discharge hole is positioned at the center of the ink discharge grooves; each ink discharging groove is internally provided with a cleaning block, each cleaning block comprises a suction nozzle and a guide piece, the suction nozzles are covered on the negative pressure holes, the guide pieces are suspended above the discharge holes, the top of each suction nozzle is higher than the top of each guide piece, the top of each suction nozzle is provided with a cleaning opening, and the top of each suction nozzle is used for being attached to each nozzle;
The collecting box is arranged on the negative pressure box, an adsorption pipeline and a liquid discharge pipeline are arranged in the negative pressure box, the adsorption pipeline is staggered with the liquid discharge pipeline, the adsorption pipeline is communicated with the negative pressure hole, and the liquid discharge pipeline is communicated with the liquid discharge hole.
In one embodiment, the cleaning port has a cross-section that is circular.
In one embodiment, the width of the guide piece is smaller than the width of the ink discharge groove.
In one embodiment, the guide tab has a tapered cross section.
In one embodiment, the depth of the interior cavity decreases from the center of the collection box toward the edge of the collection box.
In one embodiment, the ink discharge slot is funnel-shaped.
In one embodiment, sealing rings are arranged at the position where the adsorption pipeline is connected with the negative pressure hole and the position where the liquid discharge pipeline is connected with the discharge hole.
In one embodiment, the adsorption pipeline comprises a main channel and a plurality of branch pipes communicated with the main channel, a negative pressure joint is arranged at the center of the main channel, and the branch pipes are used for being communicated with the negative pressure holes.
In one embodiment, the edge of the collecting box is provided with a leakage preventing edge, and the top of the leakage preventing edge is flush with the top of the suction nozzle.
In one embodiment, a bearing frame is arranged at the bottom of the negative pressure box.
Compared with the prior art, the cleaning device for the spray head of the character spray printer has the following advantages:
After the ink jet head is close to the collecting box, the suction nozzle is attached to the nozzle, negative pressure is generated at the suction nozzle to suck out residual ink in the nozzle, the suction nozzle and the guide piece are integrally formed, the sucked ink can be led to fall into the ink discharge groove, the ink collected in the ink discharge groove is discharged through the discharge hole, the ink can be prevented from drying up to block the nozzle, and further the jet printing quality of the circuit board is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a spray head cleaning device of a character spray printer;
FIG. 2 is a schematic diagram showing the state of the nozzle cleaning device of the character jet printer and the ink jet head;
FIG. 3 is a schematic diagram showing the nozzle cleaning device of the character spray printer shown in FIG. 1;
FIG. 4 is a schematic diagram showing the cooperation of a negative pressure cartridge and an ink discharge tank;
FIG. 5 is a schematic illustration of the cooperation of the cleaning block with the collection box;
FIG. 6 is a schematic view of the structure of a cleaning block;
Fig. 7 is a schematic distribution diagram of the adsorption pipeline and the drainage pipeline.
Reference numerals: 10. a spray head cleaning device of a character spray printer; 21. an ink jet head; 22. a jet printing module; 23. a substrate; 25. a nozzle; 100. a negative pressure box; 110. an adsorption pipeline; 111. a main channel; 112. a branch pipe; 120. a liquid discharge pipe; 130. a carrier; 200. a collection box; 210. an inner cavity; 220. an ink discharge groove; 221. a negative pressure hole; 222. a discharge hole; 230. cleaning the block; 231. a suction nozzle; 232. a guide piece; 233. a cleaning port; 240. leakage preventing edges; 300. and (3) sealing rings.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 3, the present utility model provides a cleaning device 10 for a nozzle of a character spray printer, comprising: negative pressure cartridge 100 and collection cartridge 200. The above-mentioned spray head cleaning device 10 of the character spray printer is disposed on a frame of the spray printer and is located in a displacement track of the ink-jet head 21, and the ink-jet head 21 can be directly displaced to a position of the spray head cleaning device 10 of the character spray printer after finishing a spray printing task (as shown in fig. 2), and the negative pressure box 100 and the collection box 200 cooperate to clean the ink-jet head 21.
Referring to fig. 2, the inkjet head 21 is provided with a plurality of inkjet modules 22, each inkjet module 22 is provided with a substrate 23, and the substrate 23 is provided with a nozzle 24; the nozzle 24 has a small diameter and is easily clogged after the ink dries.
Referring to fig. 3 and 4, the collecting box 200 is provided with an inner cavity 210 and a plurality of ink discharge slots 220, the number of the ink discharge slots 220 is the same as that of the spray modules 22 on the ink jet head 21, the ink discharge slots 220 are internally provided with negative pressure holes 221 and discharge holes 222, the negative pressure holes 221 are positioned at the edges of the ink discharge slots 220, and the discharge holes 222 are positioned at the center of the ink discharge slots 220;
Referring to fig. 4 and 5, a cleaning block 230 is disposed in each ink discharge slot 220, the cleaning block 230 includes a suction nozzle 231 and a guiding plate 232 (as shown in fig. 6), the suction nozzle 231 covers the negative pressure hole 221, the guiding plate 232 is suspended above the discharge hole 222, and the width of the guiding plate 232 is smaller than the width of the ink discharge slot 220. The top of the suction nozzle 231 is higher than the top of the guide piece 232, a cleaning opening 233 is formed in the top of the suction nozzle 231, and the top of the suction nozzle 231 is used for being attached to the nozzle 24; when the suction nozzle 231 and the guide piece 232 are integrally formed, and a cleaning task is performed, after the suction nozzle 231 is attached to the nozzle 24, the cleaning opening 233 is covered on the nozzle 24, so that the negative pressure hole 221 is communicated with the nozzle 24 to suck out the ink remained in the nozzle 24, and after the ink is sucked out, the guide piece 232 guides the ink to fall into the discharge hole 222.
Referring to fig. 5 and 7, the collecting box 200 is disposed on the negative pressure box 100, the negative pressure box 100 is provided with an adsorption pipe 110 and a drain pipe 120, the adsorption pipe 110 is communicated with the negative pressure hole 221, and the drain pipe 120 is communicated with the drain hole 222. The adsorption pipeline 110 is staggered with the liquid discharge pipeline 120, the adsorption pipeline 110 is not communicated with the liquid discharge pipeline 120, the adsorption pipeline 110 is respectively communicated with two external pump bodies, and the operation of the adsorption pipeline and the liquid discharge pipeline is complementarily interfered.
The principle of the above-mentioned character spray printer nozzle cleaning device 10 for cleaning the ink jet head 21 is as follows:
After the ink-jet head 21 finishes the ink-jet printing task, the ink-jet head 21 moves to the upper part of the spray head cleaning device 10 of the character ink-jet printer, the ink-jet head 21 descends to enable the substrate 23 to be close to the cleaning block 230 on the collecting box 200 until the suction nozzle 231 contacts with the substrate 23, at the moment, the cleaning opening 233 is covered on the nozzle 24, and the negative pressure hole 221 is communicated with the nozzle 24;
The pump body communicated with the adsorption pipeline 110 is started, so that the negative pressure hole 221 generates suction force, and the ink in the nozzle 24 is pumped out;
The drawn ink falls down along the guide piece 232 into the ink discharge slot 220. The ink discharge slot 220 is preferably funnel-shaped, so that the ink is guided to converge toward the center of the ink discharge slot 220, and a pump body communicated with the liquid discharge pipe 120 is started to pump the ink collected by the ink discharge slot 220.
It should be noted that most of the ink drawn from the nozzle 24 directly falls under the suction force of the negative pressure hole 221, and there is a residual ink adhering to the surface of the substrate 23, the ink adhering to the surface of the substrate 23 is located outside the coverage area of the cleaning opening 233, and at this time, the negative pressure generated at the liquid discharge pipe 120 is used to draw the ink from the nozzle 24, that is, the negative pressure hole 221 is used to draw the ink from the nozzle 24, and the liquid discharge pipe 120 is matched to clean the residual ink, so that the residual ink is prevented from remaining on the ink jet head 21 by matching the two, thereby improving the cleaning effect.
After the ink jet head 21 is close to the collecting box 200, the suction nozzle 231 is attached to the nozzle 24, negative pressure is generated at the suction nozzle 231 to suck out residual ink in the nozzle 24, the suction nozzle 231 and the guide piece 232 are integrally formed, the sucked ink can be guided to fall into the ink discharge groove 220, the ink collected in the ink discharge groove 220 is discharged through the discharge hole 222, drying of the ink can be avoided, the nozzle 24 is blocked, and further the jet printing quality of a circuit board is improved.
In one embodiment, referring to fig. 6, the cleaning opening 233 has a cross-section with a circular shape such that the cleaning opening 233 can cover all of the nozzles 24 on the substrate 23
In one embodiment, the guide tab 232 has a tapered cross-section to facilitate ink sliding down the outer wall of the guide tab 232.
In an embodiment, referring to fig. 4, sealing rings 300 are disposed at the positions where the suction pipe 110 is connected to the negative pressure hole 221 and the positions where the liquid discharge pipe 120 is connected to the discharge hole 222, so that the air tightness is improved by the sealing rings 300.
In an embodiment, referring to fig. 7, the adsorption pipeline 110 includes a main channel 111 and a plurality of branch pipes 112 communicating with the main channel 111, a negative pressure connector (not shown) is disposed at a central position of the main channel 111, and the branch pipes 112 are connected to an external pump body through the negative pressure connector, and are used for communicating with the negative pressure holes 221, so that negative pressure can be generated in the plurality of branch pipes 112 when the pump body is started, and pressure in each negative pressure hole 221 is ensured to be consistent.
In one embodiment, referring to FIG. 1, the depth of the interior cavity 210 decreases from the center of the collection box 200 toward the edges of the collection box 200. The edge of the collecting box 200 is provided with a leakage preventing edge 240, and the top of the leakage preventing edge 240 is flush with the top of the suction nozzle 231. The collecting box 200 is made into a frame-shaped structure with shallow edges and deep centers, so that the overflow of ink can be avoided.
In one embodiment, referring to fig. 1, a carrier 130 is disposed at the bottom of the negative pressure box 100. The negative pressure box 100 is lifted by the bearing frame 130, so that the displacement of the ink jet head 21 in the cleaning process is reduced, and the cleaning efficiency is improved.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. The utility model provides a characters spouts printer shower nozzle belt cleaning device, locates and is used for wasing the inkjet head in spouting the frame of printer, its characterized in that includes: negative pressure box and collection box;
The ink jet head is provided with a plurality of jet printing modules, each jet printing module is provided with a substrate, and the substrate is provided with a nozzle;
The collecting box is provided with an inner cavity and a plurality of ink discharge grooves, a negative pressure hole and a discharge hole are arranged in the ink discharge grooves, the negative pressure hole is positioned at the edge of the ink discharge grooves, and the discharge hole is positioned at the center of the ink discharge grooves; each ink discharging groove is internally provided with a cleaning block, each cleaning block comprises a suction nozzle and a guide piece, the suction nozzles are covered on the negative pressure holes, the guide pieces are suspended above the discharge holes, the top of each suction nozzle is higher than the top of each guide piece, the top of each suction nozzle is provided with a cleaning opening, and the top of each suction nozzle is used for being attached to each nozzle;
The collecting box is arranged on the negative pressure box, an adsorption pipeline and a liquid discharge pipeline are arranged in the negative pressure box, the adsorption pipeline is staggered with the liquid discharge pipeline, the adsorption pipeline is communicated with the negative pressure hole, and the liquid discharge pipeline is communicated with the liquid discharge hole.
2. The apparatus for cleaning a nozzle of a character printer according to claim 1, wherein the cross section of the cleaning opening is in a shape of a waist circle.
3. The character printer head cleaning apparatus according to claim 1, wherein the guide piece has a width smaller than a width of the ink discharge groove.
4. The apparatus of claim 1, wherein the guide plate has a tapered cross section.
5. The character printer nozzle cleaning apparatus of claim 1, wherein the depth of the interior cavity decreases from the center of the collection box toward the edge of the collection box.
6. The apparatus of claim 1, wherein the ink discharge slot is funnel-shaped.
7. The cleaning device for the spray head of the character spray printer according to claim 1, wherein sealing rings are arranged at the positions where the adsorption pipeline is connected with the negative pressure hole and the positions where the liquid discharge pipeline is connected with the discharge hole.
8. The cleaning device for a nozzle of a character jet printer according to claim 1, wherein the adsorption pipeline comprises a main channel and a plurality of branch pipes communicated with the main channel, a negative pressure joint is arranged at the center of the main channel, and the branch pipes are used for being communicated with the negative pressure holes.
9. The cleaning device for the spray head of the character jet printer according to claim 1, wherein the edge of the collecting box is provided with a leakage preventing edge, and the top of the leakage preventing edge is flush with the top of the suction nozzle.
10. The cleaning device for the spray head of the character jet printer according to claim 1, wherein a bearing frame is arranged at the bottom of the negative pressure box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323418977.9U CN221366280U (en) | 2023-12-14 | 2023-12-14 | Spray head cleaning device of character spray printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323418977.9U CN221366280U (en) | 2023-12-14 | 2023-12-14 | Spray head cleaning device of character spray printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221366280U true CN221366280U (en) | 2024-07-19 |
Family
ID=91872187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323418977.9U Active CN221366280U (en) | 2023-12-14 | 2023-12-14 | Spray head cleaning device of character spray printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221366280U (en) |
-
2023
- 2023-12-14 CN CN202323418977.9U patent/CN221366280U/en active Active
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