CN216443261U - Screen printing equipment for circuit board - Google Patents
Screen printing equipment for circuit board Download PDFInfo
- Publication number
- CN216443261U CN216443261U CN202122079568.5U CN202122079568U CN216443261U CN 216443261 U CN216443261 U CN 216443261U CN 202122079568 U CN202122079568 U CN 202122079568U CN 216443261 U CN216443261 U CN 216443261U
- Authority
- CN
- China
- Prior art keywords
- screen printing
- frame
- circuit board
- bottom plate
- material carrying
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000007650 screen-printing Methods 0.000 title claims abstract description 92
- 239000000463 material Substances 0.000 claims abstract description 42
- 238000009434 installation Methods 0.000 claims description 3
- 238000007639 printing Methods 0.000 description 13
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000007790 scraping Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Screen Printers (AREA)
- Manufacturing Of Printed Wiring (AREA)
Abstract
The utility model discloses a screen printing device of a circuit board, which comprises a workbench provided with a conveyor belt, a connecting roller frame positioned at the front end of the workbench and a material carrying plate used for placing the circuit board, wherein the material carrying plate is connected between the roller frame and the conveyor belt for conveying, a bracket is arranged above the workbench, the top of the bracket is provided with an air cylinder, a piston rod of the air cylinder penetrates through the bracket, the lower end of the piston rod is connected with a silk screen frame, the bottom of the silk screen frame is provided with a silk screen bottom plate, the lower surface of the screen printing bottom plate is provided with a positioning column, the material carrying plate is provided with a positioning hole matched with the positioning column, a sliding groove is respectively arranged on two inner walls opposite to the screen printing frame and above the screen printing bottom plate, a sliding block is arranged in each sliding groove, two guide block groups arranged at intervals are arranged on the conveying belt, and two guide sliding grooves matched with the guide block groups are arranged on the lower surface of the material carrying plate. The utility model can avoid the circuit board from deviating and improve the processing precision.
Description
Technical Field
The utility model relates to a screen printing device for a circuit board, and belongs to the technical field of electronic product processing equipment.
Background
The silk screen printing is a device which uses a silk screen as a plate base and is manufactured into a silk screen printing plate with pictures and texts by a photosensitive plate making method, the silk screen printing plate consists of five major elements, the silk screen printing plate, a scraper blade, printing ink, a printing table and a printing stock, the basic principle that part of meshes of the pictures and texts of the silk screen printing plate can penetrate the printing ink and part of meshes of non-pictures and texts can not penetrate the printing ink is utilized to print, the printing ink is poured into one end of the silk screen printing plate during printing, the scraper blade is used for applying certain pressure to ink positions on the silk screen printing plate, meanwhile, the printing ink moves towards the other end of the silk screen printing plate at a constant speed, the printing ink is extruded onto the printing stock from the meshes of the pictures and texts by the scraper blade during moving, and the silk screen printing device of electronic products such as a circuit board and the like is a device which uses tin powder to replace the printing ink, and enables the meshes to align to welding spots on the circuit board to print.
The existing screen printing device for electronic products has the problems that the position of a circuit board is easy to deviate and tin printing cannot be accurately printed when the circuit board is printed, so that the processing precision of the product is insufficient and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide the screen printing equipment for the circuit board, which can ensure the position precision of the circuit board in the operation process, avoid the deviation and improve the processing precision and efficiency.
In order to solve the technical problems, the utility model adopts the technical scheme that: a screen printing device for a circuit board comprises a workbench provided with a conveyor belt, a connecting roller frame positioned at the front end of the workbench and a material carrying plate used for placing the circuit board, wherein the material carrying plate is conveyed between the connecting roller frame and the conveyor belt;
the screen printing frame is characterized in that two opposite inner walls of the screen printing frame are respectively provided with a sliding chute above the screen printing bottom plate, a sliding block capable of reciprocating in each sliding chute is arranged in each sliding chute, the two sliding blocks are connected through a mounting rod provided with a scraper, the lower end face of the obliquely arranged scraper is in contact with the upper surface of the screen printing bottom plate, at least one sliding block is connected with a driving mechanism, a feeding hole is formed in the screen printing frame, and a plurality of uniformly distributed discharging through holes are formed in the central area of the screen printing bottom plate;
the conveying belt is provided with two guide block groups arranged at intervals, each guide block group is formed by sequentially arranging a plurality of guide blocks along the advancing direction of the material carrying plate, and the lower surface of the material carrying plate is provided with two guide sliding chutes matched with the guide block groups.
The further improved scheme in the technical scheme is as follows:
1. in the scheme, one end of the silk-screen bottom plate is hinged with the silk-screen frame, and the other end of the silk-screen bottom plate is fixedly connected with the silk-screen frame through a bolt or a key slot.
2. In the scheme, two ends of the top of the screen printing frame are respectively provided with a guide rod, and the upper end of each guide rod penetrates through the support and is in sliding connection with the support.
3. In the above scheme, the front end of the guide chute is provided with an outwards-opened horn mouth.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. according to the screen printing equipment for the circuit board, the piston rod of the air cylinder penetrates through the support, the lower end of the piston rod is connected with the screen printing frame capable of moving up and down above the conveying belt, the screen printing bottom plate is mounted at the bottom of the screen printing frame, the lower surface of the screen printing bottom plate is provided with the at least two positioning columns, and the material carrying plate is provided with the positioning holes matched with the positioning columns, so that the position precision of the circuit board in the operation process can be ensured, the deviation is avoided, and the processing precision and efficiency are improved.
2. According to the screen printing equipment for the circuit board, the conveying belt is provided with the two guide block groups arranged at intervals, each guide block group is formed by sequentially arranging the plurality of guide blocks along the advancing direction of the material carrying plate, the lower surface of the material carrying plate is provided with the two guide sliding grooves used for being matched with the guide block groups, the position precision of the material carrying plate in the whole process of material conveying and processing is ensured, the circuit board on the material carrying plate is prevented from deviating, and the processing precision is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a screen printing apparatus for a circuit board of the present invention;
FIG. 2 is a sectional view showing the construction of a screen printing apparatus for a circuit board according to the present invention;
FIG. 3 is a schematic view of a part of a screen printing apparatus for a circuit board according to the present invention;
FIG. 4 is a second schematic view of a partial structure of a screen printing apparatus for a circuit board according to the present invention.
In the above drawings: 1. a work table; 2. connecting the roller frame; 3. a conveyor belt; 4. a guide block group; 41. a guide block; 5. a feed inlet; 6. a material carrying plate; 7. a support; 8. a cylinder; 9. screen printing frames; 10. printing a bottom plate in a silk screen mode; 11. a positioning column; 12. positioning holes; 13. a chute; 14. a slider; 15. a squeegee; 16. a guide chute; 17. a guide bar; 18. and (5) installing a rod.
Detailed Description
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
Example 1: a screen printing device for a circuit board comprises a workbench 1 provided with a conveyor belt 3, a connecting roller frame 2 positioned at the front end of the workbench 1 and a material carrying plate 6 used for placing the circuit board, wherein the material carrying plate 6 is connected between the roller frame 2 and the conveyor belt 3 for conveying, a support 7 is arranged above the workbench 1, a cylinder 8 is arranged at the top of the support 7, a piston rod of the cylinder 8 penetrates through the support 7, the lower end of the piston rod is connected with a screen printing frame 9 capable of moving up and down above the conveyor belt 3, a screen printing bottom plate 10 is arranged at the bottom of the screen printing frame 9, at least two positioning columns 11 are arranged on the lower surface of the screen printing bottom plate 10, and positioning holes 12 matched with the positioning columns 11 are arranged on the material carrying plate 6;
the screen printing frame 9 is characterized in that sliding grooves 13 are respectively arranged on two opposite inner walls of the screen printing frame 9 and above the screen printing bottom plate 10, a sliding block 14 capable of reciprocating in the sliding groove 13 is arranged in each sliding groove 13, the two sliding blocks 14 are connected through an installation rod 18 provided with a scraping plate 15, the lower end face of the obliquely arranged scraping plate 15 is in contact with the upper surface of the screen printing bottom plate 10, at least one sliding block 14 is connected with a driving mechanism, a feeding hole 20 is formed in the screen printing frame 9, and a plurality of uniformly distributed discharging through holes are formed in the central area of the screen printing bottom plate 10;
the conveyer belt 3 is provided with two guide block groups 4 arranged at intervals, each guide block group 4 is formed by sequentially arranging a plurality of guide blocks 61 along the advancing direction of the material carrying plate 6, and the lower surface of the material carrying plate 6 is provided with two guide chutes 16 matched with the guide block groups 4.
Two ends of the top of the screen printing frame 9 are respectively provided with a guide rod 17, and the upper end of the guide rod 17 penetrates through the bracket 7 and is connected with the bracket 7 in a sliding manner.
The guide chute 16 has a flared bell at a front end thereof.
Example 2: a screen printing device for a circuit board comprises a workbench 1 provided with a conveyor belt 3, a connecting roller frame 2 positioned at the front end of the workbench 1 and a material carrying plate 6 used for placing the circuit board, wherein the material carrying plate 6 is connected between the roller frame 2 and the conveyor belt 3 for conveying, a support 7 is arranged above the workbench 1, a cylinder 8 is arranged at the top of the support 7, a piston rod of the cylinder 8 penetrates through the support 7, the lower end of the piston rod is connected with a screen printing frame 9 capable of moving up and down above the conveyor belt 3, a screen printing bottom plate 10 is arranged at the bottom of the screen printing frame 9, at least two positioning columns 11 are arranged on the lower surface of the screen printing bottom plate 10, and positioning holes 12 matched with the positioning columns 11 are arranged on the material carrying plate 6;
the screen printing frame 9 is characterized in that sliding grooves 13 are respectively arranged on two opposite inner walls of the screen printing frame 9 and above the screen printing bottom plate 10, a sliding block 14 capable of reciprocating in the sliding groove 13 is arranged in each sliding groove 13, the two sliding blocks 14 are connected through an installation rod 18 provided with a scraping plate 15, the lower end face of the obliquely arranged scraping plate 15 is in contact with the upper surface of the screen printing bottom plate 10, at least one sliding block 14 is connected with a driving mechanism, a feeding hole 20 is formed in the screen printing frame 9, and a plurality of uniformly distributed discharging through holes are formed in the central area of the screen printing bottom plate 10;
the conveyer belt 3 is provided with two guide block groups 4 arranged at intervals, each guide block group 4 is formed by sequentially arranging a plurality of guide blocks 61 along the advancing direction of the material carrying plate 6, and the lower surface of the material carrying plate 6 is provided with two guide chutes 16 matched with the guide block groups 4.
One end of the silk screen bottom plate 10 is hinged with the silk screen frame 9, and the other end of the silk screen bottom plate is fixedly connected with the silk screen frame 9 through a bolt or a key slot.
Two ends of the top of the screen printing frame 9 are respectively provided with a guide rod 17, and the upper end of the guide rod 17 penetrates through the bracket 7 and is in sliding connection with the bracket 7.
When the screen printing equipment of the circuit board is adopted, the working principle is as follows: when the automatic tin powder feeding device works, a material carrying plate with a circuit board placed is placed on a material carrying roller frame at one end, the material carrying plate is moved to a workbench, a horn mouth at one end of a guide chute is convenient for the guide chute of the material carrying plate to be matched with a guide block on a conveyor belt, the conveyor belt is started to drive the material carrying plate to move, when the material carrying plate reaches a specified position, the conveyor belt stops working temporarily, a cylinder pushes a screen printing frame and a screen printing bottom plate to move until the screen printing frame descends to a position that a positioning column is inserted into a positioning hole to enable the bottom surface of the screen printing bottom plate to be attached to the top surface of the circuit board, a guide rod can enable the screen printing frame to move more stably, tin powder falls on the screen printing bottom plate, one side of a scraper blade is contacted with the top surface of the screen printing bottom plate, a driving mechanism drives a sliding block to reciprocate, the scraper blade drives the tin powder to move, the tin powder falls on the circuit board through the hole on the circuit board, each welding spot of the circuit board is enough, and finally, the cylinder contracts and resets, the conveyor belt is then started, and the conveyor belt drives the material carrying plate to move continuously.
A bracket is arranged above a workbench, an air cylinder is arranged at the top of the bracket, a piston rod of the air cylinder penetrates through the bracket, the lower end of the piston rod is connected with a screen printing frame which can move up and down above a conveyor belt, a screen printing bottom plate is arranged at the bottom of the screen printing frame, at least two positioning columns are arranged on the lower surface of the screen printing bottom plate, positioning holes matched with the positioning columns are arranged on a material carrying plate, a chute is respectively arranged on two inner walls opposite to the screen printing frame and above the screen printing bottom plate, a slide block which can move back and forth in the chute is arranged in each chute, the two slide blocks are connected through a mounting rod provided with a scraper blade, the lower end surface of the obliquely arranged scraper blade is contacted with the upper surface of the screen printing bottom plate, at least one slide block is connected with a driving mechanism, a feed inlet is arranged on the screen printing frame, a plurality of uniformly distributed discharge through holes are arranged in the central area of the screen printing bottom plate, the automatic operation of feeding, transporting and tin powder coating is realized, the position precision of the circuit board in the operation process can be ensured, the deviation is avoided, and the processing precision and efficiency are improved;
the material carrying plate is characterized in that two guide block groups are arranged on the conveying belt at intervals, each guide block group is formed by sequentially arranging a plurality of guide blocks along the advancing direction of the material carrying plate, two guide sliding grooves matched with the guide block groups are formed in the lower surface of the material carrying plate, the position accuracy of the material carrying plate in the whole process of material carrying and processing can be guaranteed, the circuit board on the material carrying plate is prevented from deviating, and the processing accuracy is improved.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (4)
1. The utility model provides a screen printing equipment of circuit board, including workstation (1) of installing conveyer belt (3), be located with workstation (1) front end connect roller frame (2) and be used for placing circuit board carry flitch (6), carry flitch (6) and connect and convey between roller frame (2) and conveyer belt (3), its characterized in that: a support (7) is arranged above the workbench (1), an air cylinder (8) is installed at the top of the support (7), a piston rod of the air cylinder (8) penetrates through the support (7), the lower end of the piston rod is connected with a screen printing frame (9) capable of moving up and down above the conveyor belt (3), a screen printing bottom plate (10) is installed at the bottom of the screen printing frame (9), at least two positioning columns (11) are arranged on the lower surface of the screen printing bottom plate (10), and positioning holes (12) matched with the positioning columns (11) are formed in the material carrying plate (6);
the screen printing frame is characterized in that sliding grooves (13) are respectively arranged on two opposite inner walls of the screen printing frame (9) and above the screen printing bottom plate (10), each sliding groove (13) is internally provided with a sliding block (14) capable of moving in the sliding groove (13) in a reciprocating manner, the two sliding blocks (14) are connected through an installation rod (18) provided with a scraper (15), the lower end surface of the obliquely arranged scraper (15) is contacted with the upper surface of the screen printing bottom plate (10), at least one sliding block (14) is connected with a driving mechanism, a feeding hole (20) is formed in the screen printing frame (9), and a plurality of uniformly distributed discharge through holes are formed in the central area of the screen printing bottom plate (10);
the conveying belt (3) is provided with two guide block groups (4) which are arranged at intervals, each guide block group (4) is formed by sequentially arranging a plurality of guide blocks (41) along the advancing direction of the material carrying plate (6), and the lower surface of the material carrying plate (6) is provided with two guide sliding grooves (16) which are used for being matched with the guide block groups (4).
2. A screen printing apparatus for a circuit board according to claim 1, wherein: one end of the silk screen bottom plate (10) is hinged with the silk screen frame (9), and the other end of the silk screen bottom plate is fixedly connected with the silk screen frame (9) through a bolt or a key groove.
3. The screen printing apparatus for a circuit board according to claim 1 or 2, wherein: a guide rod (17) is installed to silk screen frame (9) top one end, the upper end of guide rod (17) passes support (7) and with support (7) sliding connection.
4. The screen printing apparatus for a circuit board according to claim 1 or 2, wherein: the front end of the guide sliding chute (16) is provided with an outward flared bell mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122079568.5U CN216443261U (en) | 2021-08-31 | 2021-08-31 | Screen printing equipment for circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122079568.5U CN216443261U (en) | 2021-08-31 | 2021-08-31 | Screen printing equipment for circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216443261U true CN216443261U (en) | 2022-05-06 |
Family
ID=81346807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122079568.5U Expired - Fee Related CN216443261U (en) | 2021-08-31 | 2021-08-31 | Screen printing equipment for circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216443261U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115195284A (en) * | 2022-08-17 | 2022-10-18 | 道县东圣电子科技有限公司 | Double-sided flexible circuit board printing device |
| CN115397129A (en) * | 2022-10-27 | 2022-11-25 | 江油星联电子科技有限公司 | Printing device for processing circuit board |
| CN115923333A (en) * | 2023-02-20 | 2023-04-07 | 遂宁睿杰兴科技有限公司 | Printed circuit board silk screen printing drying device |
-
2021
- 2021-08-31 CN CN202122079568.5U patent/CN216443261U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115195284A (en) * | 2022-08-17 | 2022-10-18 | 道县东圣电子科技有限公司 | Double-sided flexible circuit board printing device |
| CN115195284B (en) * | 2022-08-17 | 2023-08-22 | 道县东圣电子科技有限公司 | Printing device for double-sided flexible circuit board |
| CN115397129A (en) * | 2022-10-27 | 2022-11-25 | 江油星联电子科技有限公司 | Printing device for processing circuit board |
| CN115923333A (en) * | 2023-02-20 | 2023-04-07 | 遂宁睿杰兴科技有限公司 | Printed circuit board silk screen printing drying device |
| CN115923333B (en) * | 2023-02-20 | 2023-05-09 | 遂宁睿杰兴科技有限公司 | Silk screen printing drying device for printed circuit board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220506 |