CN210454104U - Improved printing component in screen printing machine - Google Patents
Improved printing component in screen printing machine Download PDFInfo
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- CN210454104U CN210454104U CN201920881482.4U CN201920881482U CN210454104U CN 210454104 U CN210454104 U CN 210454104U CN 201920881482 U CN201920881482 U CN 201920881482U CN 210454104 U CN210454104 U CN 210454104U
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- knife
- tool apron
- printing
- printing machine
- screen printing
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Abstract
The utility model provides an improvement type printing part among screen printing machine, screen printing machine includes the printing head, the overhead cylinder one and the cylinder two of having of printing machine, improvement type printing part includes blade holder one, blade holder two, scraper and feed back sword, blade holder one is fixed at the tailpiece of the piston rod portion of cylinder one, the scraper includes the centre gripping base and scrapes the strip, the centre gripping pedestal connection is on blade holder one, it connects on the centre gripping base to scrape the strip through the mode of joint, the length of scraping the strip is 200 and adds 220mm, the tailpiece of the piston rod portion at cylinder two is fixed to blade holder two, the feed back sword is connected on blade holder two. The utility model has the advantage of good printing effect.
Description
Technical Field
The utility model belongs to the technical field of screen printing, a improvement type printing part, especially an improvement type printing part among screen printing machine is related to.
Background
One of the most critical steps in the production of crystalline silicon solar cells is the fabrication of very fine circuitry on the front and back sides of the silicon wafer, conducting the photo-generated electrons out of the cell, this metallization process usually being done by screen printing techniques. The screen printing is a printing mode of printing paste on a material to be printed in a missing mode after the elastic deformation of a screen is extruded by a scraping strip, and the screen printing is also a battery process which is commonly adopted at present.
After retrieval, for example, chinese patent document discloses a screen printing head [ application number: 201320773346.6, respectively; publication No.: CN203697670U ]. The screen printing machine head is characterized by comprising a transverse moving device, a first scraper, a first material returning cutter, a second scraper and a second material returning cutter; the first scraper, the first feed back knife, the second scraper and the second feed back knife are all mounted on the transverse moving device through telescopic clamps; the telescopic clamp is connected with the driving device.
Although the screen printer head disclosed in this patent avoids the situation that the positioning is not accurate enough after the movement, the structure of the printing part in the screen printer head is too simple, poor printing is likely to occur, and the printing effect is poor, so that it is necessary to design an improved printing part in the screen printer.
Disclosure of Invention
The utility model aims at having the above-mentioned problem to current technique, having proposed an improvement type printing part among screen printing machine, this improvement type printing part has the effectual characteristics of printing.
The purpose of the utility model can be realized by the following technical proposal: an improved printing component in a screen printer comprises a printer head, wherein the printer head is provided with a first air cylinder and a second air cylinder, and the improved printing component is characterized by comprising a first tool apron, a second tool apron, a scraper and a return knife, wherein the first tool apron is fixed at the end part of a piston rod of the first air cylinder, the scraper comprises a clamping base and a scraping strip, the clamping base is connected to the first tool apron, the scraping strip is connected to the clamping base in a clamping manner, the length of the scraping strip is 200 plus 220mm, the second tool apron is fixed at the end part of the piston rod of the second air cylinder, the return knife is connected to the second tool apron, the return knife comprises a knife body, a fixing body, a locking bolt and a nut, the length of the knife body is 260mm plus 240 mm, the knife body comprises an arc-edge knife body at two ends and a straight edge in the middle, a U-shaped structure is formed between the arc-edge, the connecting lug is provided with a connecting hole, the fixing body is L-shaped, one end of the fixing body is connected with the tool apron II, the other end of the fixing body is provided with an annular adjusting hole, and the locking bolt sequentially penetrates through the connecting hole and the annular adjusting hole to be in threaded connection with the nut.
Structure more than adopting, length through scraping the strip increases, can prolong the not enough scope of deformation outside the printing range, the edge printing of effectively solving the battery piece is bad, simultaneously, through designing into the cutter body with the feed back sword, the fixed body, lock bolt and nut isotructure, reduce the distance between scraping strip and the cutter body, reduce whole printing stroke, thereby can reduce the stroke of whole scraper, can promote printing speed, cooperation arc limit cutter body can prevent thick liquids toward both sides accumulational volume, it is effectual to print.
The fixed body is also provided with scale marks.
By adopting the structure, the cutter body can be conveniently fixed at the required position of the fixed body through the scale marks.
And a rubber pad is sleeved on the locking bolt, and two surfaces of the rubber pad are provided with saw tooth parts.
By adopting the structure, the accidental sliding between the cutter body and the fixed body can be avoided through the rubber pad.
The length of scraping strip is 210mm, and the length of cutter body is 250 mm.
The cutter body is made of an aluminum alloy material.
By adopting the materials, the cutter body has longer service life.
Compared with the prior art, the improvement type printing unit among this screen printing machine has this advantage: the utility model discloses in through the length growth that will scrape the strip, can prolong the not enough scope of deformation outside the printing scope, the edge printing of effectively solving the battery piece is bad, simultaneously, through designing into cutter body, the fixed body with the feed back sword, lock bolt and nut isotructure, reduce the distance between scraping strip and the cutter body, reduce whole printing stroke, thereby can reduce the stroke of whole scraper, can promote printing speed, cooperation arc limit cutter body can prevent thick liquids toward the accumulational volume in both sides, it is effectual to print.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of the three-dimensional structure of the middle feed back knife of the present invention.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Fig. 4 is a schematic perspective view of the middle knife body of the present invention.
Fig. 5 is a schematic perspective view of the middle scraper of the present invention.
In the figure, 1, a printing head; 2. a tool apron II; 3. a feed back knife; 3a, a cutter body; 3a1, straight edge cutter body; 3a2, arc edge cutter body; 3a3, connecting lugs; 3b, a fixing body; 3c, locking the bolt; 3d, a nut; 3e, a rubber pad; 4. a scraper; 4a, scraping strips; 4b, clamping the base; 5. a tool apron I; 6. a first cylinder; 7. and a second air cylinder.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 5, the improved printing unit of the screen printing machine includes a printing head 1, and in this embodiment, the printing head 1 is of a conventional structure; the printing machine head 1 is provided with a first air cylinder 6 and a second air cylinder 7, and in actual production, the positions of the first air cylinder 6 and the second air cylinder 7 on the printing machine head 1 are fixed; the improved printing component comprises a first cutter holder 5, a second cutter holder 2, a scraper 4 and a return cutter 3, wherein the first cutter holder 5 is fixed at the end part of a piston rod of a first cylinder 6, and in the embodiment, the first cutter holder 5 is fixed at the end part of the piston rod of the first cylinder 6 in a bolt connection mode; the scraper 4 comprises a clamping base 4b and a scraping strip 4a, the clamping base 4b is connected to the cutter holder 5, in the embodiment, the clamping base 4b is connected to the cutter holder 5 in a bolt connection mode; the scraping strip 4a is connected to the clamping base 4b in a clamping manner, the length of the scraping strip 4a is 200-220mm, the tool apron II 2 is fixed to the end portion of the piston rod of the cylinder II 7, and in the embodiment, the tool apron II 2 is fixed to the end portion of the piston rod of the cylinder II 7 in a bolt connection manner; the feed back knife 3 is connected to the knife holder II 2, and in the embodiment, the feed back knife 3 is connected to the knife holder II 2 in a bolt connection mode; the feed back knife 3 comprises a knife body 3a, a fixing body 3b, a locking bolt 3c and a nut 3d, the length of the knife body 3a is 240-260mm, the knife body 3a comprises arc-edge knife bodies 3a2 at two ends and a straight-edge knife body 3a1 in the middle, a U-shaped structure is formed between the arc-edge knife body 3a2 and the straight-edge knife body 3a1, a connecting lug 3a3 is further arranged in the middle of the straight-edge knife body 3a1, a connecting hole is formed in the connecting lug 3a3, the fixing body 3b is L-shaped, one end of the fixing body 3b is connected with the knife holder 2, an annular adjusting hole is formed in the other end of the fixing body 3b, and the locking bolt 3c sequentially penetrates through the connecting hole and the annular adjusting hole to be.
By adopting the structure, the feed back cutter 3 is designed into the cutter body 3a, the fixing body 3b, the locking bolt 3c, the nut 3d and other structures, the distance between the scraping strip 4a and the cutter body 3a is reduced, the whole printing stroke is reduced, the stroke of the whole scraper 4 can be reduced, the printing speed can be improved, the arc-edge cutter body 3a2 is matched, the accumulation of slurry towards two sides can be prevented, and the printing effect is good.
The fixed body 3b is also provided with scale marks.
With this structure, the cutter body 3a can be conveniently fixed at a desired position of the fixing body 3b by the scale marks.
A rubber pad 3e is further sleeved on the locking bolt 3c, and both surfaces of the rubber pad 3e are provided with sawtooth parts.
With this structure, the accidental sliding between the cutter body 3a and the fixed body 3b can be avoided by the rubber pad 3 e.
The length of the wiper strip 4a is 210mm, and the length of the blade body 3a is 250 mm.
By adopting the structure, the length of the scraping strip is increased to 210mm, the range of insufficient deformation can be extended to the outside of the printing range, and the problem of poor printing of 5-10mm at the edge of the battery piece is effectively solved; in the prior art, the length of a traditional scraping strip is 180mm, and the width of a battery piece is 157mm, so that the edge of the battery piece is not well printed by 5-10mm due to insufficient deformation of the traditional scraping strip.
The cutter body 3a is made of aluminum alloy material.
By adopting the material, the cutter body 3a has longer service life.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (5)
1. An improved printing component in a screen printer comprises a printer head, wherein the printer head is provided with a first air cylinder and a second air cylinder, and the improved printing component is characterized by comprising a first tool apron, a second tool apron, a scraper and a return knife, wherein the first tool apron is fixed at the end part of a piston rod of the first air cylinder, the scraper comprises a clamping base and a scraping strip, the clamping base is connected to the first tool apron, the scraping strip is connected to the clamping base in a clamping manner, the length of the scraping strip is 200 plus 220mm, the second tool apron is fixed at the end part of the piston rod of the second air cylinder, the return knife is connected to the second tool apron, the return knife comprises a knife body, a fixing body, a locking bolt and a nut, the length of the knife body is 260mm plus 240 mm, the knife body comprises an arc-edge knife body at two ends and a straight edge in the middle, a U-shaped structure is formed between the arc-edge, the connecting lug is provided with a connecting hole, the fixing body is L-shaped, one end of the fixing body is connected with the tool apron II, the other end of the fixing body is provided with an annular adjusting hole, and the locking bolt sequentially penetrates through the connecting hole and the annular adjusting hole to be in threaded connection with the nut.
2. An improved printing unit for a screen printing machine according to claim 1, characterised in that the fixed body also has graduations.
3. An improved printing unit for a screen printing machine as claimed in claim 1, wherein the locking bolt is further provided with a rubber pad, and both surfaces of the rubber pad are provided with serrations.
4. An improved printing unit for a screen printing machine according to claim 1, characterised in that the wiper strip is 210mm in length and the blade body is 250mm in length.
5. An improved printing unit for a screen printing machine as claimed in claim 1, wherein the blade is formed from an aluminium alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920881482.4U CN210454104U (en) | 2019-06-12 | 2019-06-12 | Improved printing component in screen printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920881482.4U CN210454104U (en) | 2019-06-12 | 2019-06-12 | Improved printing component in screen printing machine |
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| Publication Number | Publication Date |
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| CN210454104U true CN210454104U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920881482.4U Active CN210454104U (en) | 2019-06-12 | 2019-06-12 | Improved printing component in screen printing machine |
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| CN (1) | CN210454104U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111873610A (en) * | 2020-07-25 | 2020-11-03 | 冠利得商标制品（苏州）有限公司 | Semi-transparent panel production equipment and production process |
-
2019
- 2019-06-12 CN CN201920881482.4U patent/CN210454104U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111873610A (en) * | 2020-07-25 | 2020-11-03 | 冠利得商标制品（苏州）有限公司 | Semi-transparent panel production equipment and production process |
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