CN214606481U - A silk screen printing machine for circuit board production - Google Patents
A silk screen printing machine for circuit board production Download PDFInfo
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- CN214606481U CN214606481U CN202120627342.1U CN202120627342U CN214606481U CN 214606481 U CN214606481 U CN 214606481U CN 202120627342 U CN202120627342 U CN 202120627342U CN 214606481 U CN214606481 U CN 214606481U
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Abstract
The utility model relates to a silk screen printing machine for circuit board production belongs to the technical field of printed circuit board equipment, including the frame, connect in the silk screen printing machine body of frame, connect in the frame and be used for conveying the first conveyer belt of a plurality of circuit boards, the silk screen printing machine body is including connecting in the support frame of frame, connecting in the printing plate of support frame, connecting in the support frame and being used for with chinese ink to shift to the circuit board scrape the china ink subassembly, connect in the support frame and be used for the infrared detection device of detection circuit board position, connect in the frame and be used for leaning on the first driving piece to the circuit board according to infrared detection device's detected signal drive printing plate, a plurality of holding tanks that are used for inlaying the circuit board are seted up to first conveyer belt, the frame still is connected with the detected signal intermittent type drive according to infrared detection device first conveyer belt pivoted second driving piece. This application has solved the artifical problem that the characters and the pattern rendition precision that place the circuit board and lead to the circuit board are low.
Description
Technical Field
The application relates to the technical field of printed circuit board equipment, in particular to a screen printing machine for circuit board production.
Background
A screen printer is a machine that prints text and images. Modern printing machines are generally composed of mechanisms for plating, inking, stamping, etc. The working principle is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position of the characters and images on the printing plate by manual or printing machine, then it is directly or indirectly transferred onto paper or other printing material, so that the same printed matter as that of the printing plate can be reproduced.
In the related art, as shown in fig. 1, there is a screen printer for screen printing a circuit board, the screen printer includes a frame 1, a bearing table 6 connected to the frame 1 and used for placing a circuit board 5, a printing plate 21 connected to the frame 1 and used for placing ink, and a scraping plate 22 connected to the frame 1 and used for transferring the ink of the printing plate 21 to the circuit board 5, wherein the printing plate 21 is provided with a plurality of ink holes, the plurality of ink holes form characters and patterns to be transferred, a worker places the circuit board 5 on the bearing table 6, the bearing table 6 moves upward to make the circuit board 5 abut against the lower side of the printing plate 21, and then the scraping plate 22 moves back and forth to extrude the ink from the ink holes to the circuit board 5, thereby completing the transfer of the characters and the patterns.
In the technology, the circuit board is manually placed on the bearing table to transfer characters and patterns, and then the circuit board is taken out.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the manual work placed the characters and the pattern transfer printing precision that lead to the circuit board low, this application provides a silk screen printing machine for circuit board production.
The utility model provides a silk screen printing machine for circuit board production, includes the frame, connects in the silk screen printing machine body of frame, connects in the frame and be used for conveying the first conveyer belt of a plurality of circuit boards, the silk screen printing machine body is including connecting in the support frame of frame, connecting in the printing plate of support frame, connecting in the support frame and being used for transferring chinese ink to the scraping black subassembly of circuit board, connecting in the support frame and being used for detecting the infrared detection device of circuit board position, connecting in the frame and being used for supporting the first driving piece that leans on the circuit board according to infrared detection device's detected signal drive printing plate, a plurality of holding tanks that are used for inlaying the circuit board are seted up to first conveyer belt, the frame still is connected with the detected signal intermittent type nature drive according to infrared detection device first conveyer belt pivoted second driving piece.
Through the above-mentioned technique, the workman places the circuit board in the holding tank, holding tank cell wall restriction circuit board receives external force at the in-process of rendition and takes place to remove, the below position of circuit board conveying to the printing plate is carried with the circuit board to the drive belt, infrared detection device detects the position of circuit board, first driving piece supports on the circuit board according to the detected signal drive printing plate of infrared detection device feedback, the rotation of second driving piece also stop the drive belt this moment, scrape the china ink subassembly with printing ink through the printing plate rendition to the circuit board, wherein, through the holding tank to circuit board position locking, first driving piece, second driving piece and infrared detection device cooperation, accomplish the rendition of circuit board, compare in artifical circuit board of placing, the precision is than higher.
Preferably, the first driving part comprises a first motor connected to the frame and a threaded screw rod coaxially connected with an output shaft of the first motor, and the threaded screw rod is in threaded connection with the support frame.
Through the technology, the first motor drives the threaded screw rod to rotate, the support frame moves along the extending direction of the threaded screw rod due to the rotation of the threaded screw rod, and then the printing plate connected to the support frame is abutted to the circuit board in a driving mode, wherein the threaded screw rod has self-locking performance, and the support frame can be effectively prevented from moving along the extending direction of the threaded screw rod under the action of external force.
Preferably, the support frame is further connected with a limiting rod in a sliding mode, the limiting rod is fixedly connected to the rack, and the limiting rod is parallel to the threaded screw rod.
Through the technology, the setting of the limiting rod effectively avoids the support frame from moving along the circumferential direction of the threaded screw rod under the driving of the first motor, and the moving stability of the support frame is improved.
Preferably, the support frame is provided with an accommodating groove for embedding the printing plate.
Through the technology, the printing plate is embedded in the support frame through the containing groove, when the printing plate breaks down or characters and images of transfer printing need to be replaced, the containing groove can be opened to achieve the disassembly and replacement of the printing plate.
Preferably, the support frame is provided with a plurality of threaded through holes communicated with the accommodating groove, a locking screw rod penetrates through the threaded through holes, one end of the locking screw rod penetrates out of the threaded through holes, and the penetrating end of the locking screw rod abuts against the printing plate.
Through the technology, when the printing plate is embedded in the accommodating groove, a worker rotates the locking screw rod to enable the locking screw rod to abut against the printing plate, the locking of the position of the printing plate is achieved, and the sliding of the printing plate along the wall of the accommodating groove is avoided.
Preferably, one end of the locking screw, which is far away from the accommodating groove, is fixedly connected with a handle which is convenient for a human hand to rotate.
Through the technology, the handle is arranged, so that a worker can hold the handle through hands, and the locking screw rod can be rotated in a labor-saving manner.
Preferably, along the direction of circuit board conveying, the one end that is used for placing the circuit board that does not transfer to with the conveyer belt is called the unloading end, and the one end that is used for placing the circuit board that has transferred to with first conveyer belt is called the transfer end, the frame still is connected with the transfer device who is used for transferring the circuit board in the transfer end department, the transfer device includes a plurality of sliding connection in the frame and is used for the negative pressure sucking disc of absorption and transfer circuit board, connects in the frame and is used for the second conveyer belt of transporting the circuit board.
Through above-mentioned technique, after passing through the negative sucker with the circuit board of rendition and adsorbing, place the transportation that accomplishes the circuit board at the second conveyer belt again, the circuit board of being convenient for conveys to next station.
Preferably, the rack is further connected with a storage box for storing the circuit board at the transfer end, and the storage box is located below the first conveyor belt.
Through the technology, when partial negative pressure suction cups are not adsorbed to the circuit board due to self faults and are transferred, the circuit board drops into the accommodating box along with the rotation of the first conveying belt under the action of self gravity, and the fault tolerance rate of circuit board transfer is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the circuit board is limited in the containing groove through the containing groove formed in the conveying belt, and the first driving piece and the second driving piece are matched to transfer the designed characters and patterns onto the circuit board under the detection signal fed back by the infrared detection device, so that compared with manual placement of the circuit board, the precision is higher;
2. the first driving piece comprises a first motor and a threaded screw rod coaxially connected with the first motor, and the threaded screw rod is in threaded fit with the support frame, so that the support frame can be stably driven to move by the first motor, and the support frame is prevented from moving along the length extension direction of the threaded screw rod under the action of external force.
Drawings
Fig. 1 is an overall structural view of the related art;
FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a transfer device according to an embodiment of the present application;
fig. 4 is an enlarged view at a in fig. 2.
Description of reference numerals: 1. a frame; 11. a first driving member; 111. a first motor; 112. a threaded lead screw; 113. a limiting rod; 12. a second driving member; 13. a discharging end; 14. a transfer end; 2. A screen printer body; 21. printing plate; 211. an ink hole; 212. locking the screw rod; 213. a handle; 22. a wiping assembly; 221. an electric cylinder; 222. a squeegee; 23. a support frame; 24. an infrared detection device; 3. a first conveyor belt; 31. accommodating grooves; 4. a transfer device; 41. a negative pressure sucker; 42. a second conveyor belt; 5. a circuit board; 6. a bearing platform.
Detailed Description
The present application is described in further detail below with reference to figures 2-4.
The embodiment of the application discloses a silk screen printing machine for circuit board production. Referring to fig. 2 and 3, the screen printing machine comprises a frame 1, a first conveyor belt 3 connected to the frame 1, a screen printing machine body 2 connected to the frame 1, a transfer device 4 connected to the frame 1, a second conveyor belt 42 connected to the frame 1, and a second driving member 12 connected to the frame 1, wherein the first conveyor belt 3 is used for conveying a circuit board 5, the screen printing machine body 2 is used for transferring a designed file or image onto the circuit board 5, the transfer device 4 is used for transferring the circuit board 5 after the transfer to the second conveyor belt 42, the second conveyor belt 42 is used for conveying the circuit board 5 to a next station for processing, the second driving member 12 is used for driving the conveyor belt to rotate, and the second driving member 12 is a second motor.
The screen printer body 2 comprises a support frame 23 connected to the frame 1, a printing plate 21 connected to the support frame 23, a wiping assembly 22 slidably connected to the support frame 23 and used for transferring ink to the circuit board 5, and a first driving member 11 connected to the frame 1 and used for driving the printing plate 21 to abut against the circuit board 5.
Referring to fig. 2 and 4, the printing plate 21 is provided with a plurality of ink holes 211 penetrating through the printing plate 21, the ink holes 211 are relatively fine, the plurality of ink holes 211 are combined into a pattern or a character to be printed, an ink tank for containing ink is formed above the printing plate 21, and a worker pours the ink into the ink tank.
The ink scraping assembly 22 comprises two ink scraping plates 222 connected to the supporting frame 23, the supporting frame 23 is further connected with an electric cylinder 221 for driving the ink scraping plates 222 to abut against the upper side of the printing plate 21, the printing plate 21 is horizontally arranged, the ink scraping assembly 22 reciprocates along the horizontal direction, the ink is squeezed out of the ink holes 211 through the reciprocating motion of the two ink scraping plates 222, the ink is transferred onto the circuit board 5, and the transfer of the designed characters and patterns on the circuit board 5 is completed.
One of the squeegee plates 222 is used to squeeze ink out of the ink hole 211 and transfer the ink to the circuit board 5, and the other squeegee plate 222 is used to flatten the ink so that the next squeeze of ink is relatively uniform.
Referring to fig. 2, the conveyor belt is provided with a plurality of accommodating grooves 31 for accommodating the circuit boards 5, the plurality of accommodating grooves 31 are arranged at intervals along the transfer direction of the circuit boards 5, the conveyor belt is located below the printing plate 21, a part of the circuit boards 5 is embedded in the accommodating grooves 31, the other part of the circuit boards 5 extends out of the accommodating grooves 31, and the extending part is abutted against the lower part of the printing plate 21.
The support frame 23 is connected with an infrared detection device 24, and the infrared detection device 24 is used for detecting the position of the circuit board 5, and the concrete principle is as follows: a part of the circuit board 5 extends out of the accommodating groove 31, so that the distance between the circuit board 5 and the infrared detection device 24 is smaller than the distance between the conveyor belt and the infrared detection device 24, when the infrared detection device 24 detects that the distance is reduced, a detected signal is fed back to the first driving piece 11 and the second driving piece 12, the second driving piece 12 stops driving the transmission belt to rotate, the circuit board 5 is positioned below the printing plate 21, the first driving piece 11 drives the printing plate 21 to abut against the circuit board 5, and then the ink scraping assembly 22 transfers the designed characters and patterns onto the circuit board 5.
The first driving assembly comprises a first motor 111 connected to the rack 1 and a threaded screw rod 112 coaxially connected with a motor output shaft, the threaded screw rod 112 extends in the vertical direction, the threaded screw rod 112 penetrates through the support frame 23 and is in threaded fit with the support frame 23, the first motor 111 drives the threaded screw rod 112 to rotate in a rotating mode, the support frame 23 moves in the length extending direction of the threaded screw rod 112, and then the printing plate 21 can be driven to abut against the circuit board 5.
Both sides of support frame 23 all are equipped with first motor 111 and screw lead screw 112 for the lift of support frame 23 is more steady, wherein support frame 23 still sliding connection has a plurality of gag lever posts 113, the equal fixed connection of a plurality of gag lever posts 113 in frame 1, and gag lever post 113 is parallel with screw lead screw 112, gag lever post 113's setting, when having avoided first motor 111 drive support frame 23 to go up and down, support frame 23 rotates along screw lead screw 112's circumferencial direction, the stability that support frame 23 goes up and down has effectively been improved.
The supporting frame 23 is further provided with an accommodating groove 31 for embedding the printing plate 21, one end of the accommodating groove 31 is arranged in an opening, the printing plate 21 is embedded into the accommodating groove 31 from the opening of the accommodating groove 31, and when the printing plate 21 breaks down or the design of the transfer characters and patterns needs to be replaced, the printing plate 21 can be detached from the supporting frame 23 for replacement.
The support frame 23 is further provided with a plurality of threaded through holes, the threaded through holes are communicated with the accommodating groove 31, the locking screw 212 penetrates through the threaded through holes, when the printing plate 21 is embedded in the accommodating groove 31, one end of the locking screw 212 penetrates out of the threaded through holes, the penetrating end abuts against the side wall of the printing plate 21, the position of the printing plate 21 is locked, and the printing plate 21 is prevented from sliding along the wall of the accommodating groove 31 under the action of external force.
The handle 213 is fixedly connected to an end of the lock screw 212 far from the receiving groove 31, and the diameter of the handle 213 is larger than that of the screw rod 112, so that the area of the outer peripheral wall of the handle 213 is larger, and a worker can conveniently grip the handle 213 to rotate the lock screw 212 to lock the position of the printing plate 21.
Referring to fig. 2 and 3, a position where the circuit board 5 is initially placed on the conveyor belt is referred to as a discharging end 13, a plurality of circuit boards 5 are placed in a receiving groove 31 of the discharging end 13, the conveyor belt sequentially conveys the circuit boards 5 to the screen printing machine body 2 for character and pattern transfer, after the transfer is completed, the transferred circuit boards 5 are conveyed to the tail end of the conveyor belt, the tail end of the conveyor belt is referred to as a transferring end 14, the frame 1 is further connected with a transferring device 4 at the transferring end 14, and the transferring device 4 comprises a negative pressure suction cup 41 connected to the frame 1 in a sliding manner and a second conveyor belt 42 connected to the frame 1.
The workman only needs place circuit board 5 in the holding tank 31 of conveyer belt, then can realize circuit board 5's rendition, has solved the problem that artifical positioning accuracy is low, compares in the tradition and carries out artifical rendition processing with circuit board 5 is single, has improved circuit board 5's rendition efficiency.
The negative pressure sucker 41 forms air negative pressure through one end of the sucker close to the circuit board 5, the circuit board 5 is sucked on the negative pressure sucker 41, then the negative pressure sucker 41 slides to the upper side of the second conveyor belt 42, the air negative pressure is relieved, the circuit board 5 is transferred onto the second conveyor belt 42, and the second conveyor belt transmits the transferred circuit board 5 to the next station for processing.
The implementation principle of the silk screen printing machine for circuit board production is as follows: the workman places a plurality of circuit boards 5 in the holding tank 31 of conveyer belt in proper order, second driving piece 12 drive circuit board 5 is close to silk screen printing machine body 2, after infrared detection device 24 detected the position of circuit board 5, feed back detection signal to first driving piece 11 and second driving piece 12, rotation of conveyer belt is stopped to second driving piece 12, first driving piece 11 drive printing plate 21 supports and leans on the upside of circuit board 5, scrape on ink subassembly 22 again with the characters and the pattern rendition of design to circuit board 5, circuit board 5 that the rendition was accomplished is transmitted to transfer end 14, at last circuit board 5 is transferred to second conveyer belt 42 through negative pressure suction cup 41, make circuit board 5 convey to next station and carry out the processing.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a silk screen printing machine for circuit board production which characterized in that: including frame (1), connect in silk screen printing machine body (2) of frame (1), connect in frame (1) and be used for conveying first conveyer belt (3) of a plurality of circuit boards (5), silk screen printing machine body (2) including connect in support frame (23) of frame (1), connect in printing plate (21) of support frame (23), connect in support frame (23) and be used for scraping black ink to reach wiping subassembly (22) of circuit board (5), connect in support frame (23) and be used for infrared detection device (24) position, connect in frame (1) and be used for leaning on first driving piece (11) of circuit board (5) according to detection signal drive printing plate (21) of infrared detection device (24), a plurality of holding tanks (31) that are used for inlaying circuit board (5) are seted up in first conveyer belt (3), frame (1) still is connected with the detection signal intermittent type drive according to infrared detection device (24) first driving according to infrared detection device (24) frame (1) intermittent type drive A second driving member (12) for rotating the first belt (3).
2. The screen printing machine for circuit board production of claim 1, characterized in that: the first driving piece (11) comprises a first motor (111) connected to the rack (1) and a threaded screw rod (112) coaxially connected with an output shaft of the first motor (111), and the threaded screw rod (112) is in threaded connection with the supporting frame (23).
3. The screen printing machine for circuit board production of claim 2, characterized in that: the support frame (23) is further connected with a limiting rod (113) in a sliding mode, the limiting rod (113) is fixedly connected to the rack (1), and the limiting rod (113) is parallel to the threaded screw rod (112).
4. The screen printing machine for circuit board production of claim 1, characterized in that: the support frame (23) is provided with an accommodating groove (31) for embedding the printing plate (21).
5. The screen printing machine for circuit board production of claim 4, characterized in that: the support frame (23) is provided with a plurality of thread through holes communicated with the accommodating groove (31), a locking screw rod (212) penetrates through the thread through holes, one end of the locking screw rod (212) penetrates out of the thread through holes, and the penetrating end of the locking screw rod abuts against the printing plate (21).
6. The screen printing machine for circuit board production of claim 5, characterized in that: one end of the locking screw rod (212) far away from the accommodating groove (31) is fixedly connected with a handle (213) convenient for a human hand to rotate.
7. The screen printing machine for circuit board production of claim 1, characterized in that: along the direction of circuit board (5) conveying, the one end that is used for placing untransferred circuit board (5) with the conveyer belt is called the blowing end (13), and the one end that has placed transferable circuit board (5) with first conveyer belt (3) is called and shifts end (14), frame (1) still is connected with transfer device (4) that are used for shifting circuit board (5) in shifting end (14) department, transfer device (4) include a plurality of sliding connection in frame (1) and be used for adsorbing with negative pressure suction cup (41) of shifting circuit board (5), connect in frame (1) and be used for transporting second conveyer belt (42) of circuit board (5).
8. The screen printing machine for circuit board production of claim 7, characterized in that: the rack (1) is further connected with a containing box used for containing the circuit board (5) at the transfer end (14), and the containing box is located below the first conveyor belt (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120627342.1U CN214606481U (en) | 2021-03-27 | 2021-03-27 | A silk screen printing machine for circuit board production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120627342.1U CN214606481U (en) | 2021-03-27 | 2021-03-27 | A silk screen printing machine for circuit board production |
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| Publication Number | Publication Date |
|---|---|
| CN214606481U true CN214606481U (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120627342.1U Active CN214606481U (en) | 2021-03-27 | 2021-03-27 | A silk screen printing machine for circuit board production |
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| Country | Link |
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| CN (1) | CN214606481U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114771094A (en) * | 2022-03-04 | 2022-07-22 | 长兴力亿纺织有限公司 | Textile printing and dyeing equipment for producing textile cloth and production method thereof |
| CN115230298A (en) * | 2022-07-26 | 2022-10-25 | 深圳市联旭达科技有限公司 | Screen printing device and using method thereof |
-
2021
- 2021-03-27 CN CN202120627342.1U patent/CN214606481U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114771094A (en) * | 2022-03-04 | 2022-07-22 | 长兴力亿纺织有限公司 | Textile printing and dyeing equipment for producing textile cloth and production method thereof |
| CN115230298A (en) * | 2022-07-26 | 2022-10-25 | 深圳市联旭达科技有限公司 | Screen printing device and using method thereof |
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