CN216231153U - Screen printing equipment of PCB board - Google Patents
Screen printing equipment of PCB board Download PDFInfo
- Publication number
- CN216231153U CN216231153U CN202122240960.3U CN202122240960U CN216231153U CN 216231153 U CN216231153 U CN 216231153U CN 202122240960 U CN202122240960 U CN 202122240960U CN 216231153 U CN216231153 U CN 216231153U
- Authority
- CN
- China
- Prior art keywords
- screen printing
- bottom plate
- guide
- material carrying
- carrying plate
- Prior art date
- 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
Links
- 238000007650 screen-printing Methods 0.000 title claims abstract description 76
- 239000000463 material Substances 0.000 claims abstract description 36
- 238000003860 storage Methods 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 13
- 238000007639 printing Methods 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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- Screen Printers (AREA)
- Manufacturing Of Printed Wiring (AREA)
Abstract
The utility model discloses a screen printing device for a PCB (printed circuit board), wherein the lower surface of a screen printing bottom plate of the screen printing device is provided with at least two positioning columns, a material carrying plate is provided with positioning holes matched with the positioning columns, two inner walls opposite to a screen printing frame are respectively provided with a second chute above the screen printing bottom plate, each second chute is internally provided with a sliding block capable of reciprocating in the second chute, a discharge hole is formed in the screen printing bottom plate and positioned at the outer side of a region with the discharge hole, the upper end of a collecting pipe arranged on a workbench is used for being communicated with the discharge hole, the lower end of the collecting pipe is detachably connected with a material storage box, two guide block groups arranged at intervals are arranged on a conveying belt, 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 chutes matched with the guide block groups. The utility model ensures the position precision of the material carrying plate in the whole process of material conveying and processing, and improves the processing precision and efficiency.
Description
Technical Field
The utility model relates to a screen printing device for a PCB (printed circuit board), belonging to the technical field of tin powder printing.
Background
The screen printing machine is a machine for printing by using screen printing plate, the screen printing is a screen printing plate with picture and text made by using screen as plate base and adopting photosensitive plate-making method, the screen printing plate is formed from five major elements, and is characterized by that it utilizes the basic principle of that the picture and text meshes of screen printing plate can be permeated by ink, and the non-picture and text meshes can not be permeated by ink to make printing, and when it is used for printing, the ink is poured into one end of screen printing plate, and a scraper blade is used for applying a certain pressure to the ink position on the screen printing plate, at the same time, it can be moved towards another end of screen printing plate, and the ink can be extruded onto the printing stock from picture and text meshes by means of scraper blade, and the screen printing device of electronic product of circuit board, etc. can be used for printing by using tin powder instead of ink, and making meshes be aligned with welding points on the circuit board. When the existing screen printing equipment for the PCB prints the circuit board, the circuit board position is easy to deviate, and tin printing cannot be accurately printed, so that the product processing precision 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 PCB, which ensures the position precision of the material carrying plate in the whole process of material conveying and processing, avoids the circuit board on the material carrying plate from deviating and improves 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 PCB 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 a circuit board, wherein the material carrying plate can be conveyed among a first conveyor belt, the connecting roller frame and the conveyor belt;
two opposite inner walls of the screen printing frame are provided with a second sliding chute above the screen printing bottom plate, each second sliding chute is internally provided with a sliding block capable of reciprocating in the second sliding chute, the two sliding blocks are connected through an installation rod provided with a scraper, the lower end surface of the obliquely arranged scraper is contacted with the upper surface of the screen printing bottom plate, at least one sliding block is connected with a driving mechanism, the screen printing frame is provided with a feeding hole, and the central area of the screen printing bottom plate is provided with a plurality of uniformly distributed discharging through holes;
a discharge hole is formed in the silk screen bottom plate and located on the outer side of the discharge through hole area, the upper end of a collecting pipe arranged on the workbench is used for being communicated with the discharge hole, and the lower end of the collecting pipe is detachably connected with a storage box;
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, the lower end of the collecting pipe is provided with a mounting plate extending all around, two sides of the lower surface of the mounting plate are respectively provided with a sliding rail, and the upper end surface of the storage box is provided with a first sliding groove matched with the sliding rail.
2. In the scheme, the rotating roller of the connecting roller frame is provided with the guide ring matched with the guide sliding groove.
3. In the above scheme, the side of the workbench is rotatably connected with a cabinet door.
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 PCB, automatic operation of feeding, transporting and tin powder coating is realized in the process of screen printing the circuit board, 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; and in addition, a discharge hole is formed in the outer side of the area with the discharge through hole on the silk screen bottom plate, the upper end of a collecting pipe arranged on the workbench is communicated with the discharge hole, the lower end of the collecting pipe is detachably connected with a storage box, and redundant tin powder from the silk screen frame is collected, so that the phenomenon that the processing quality is influenced by accumulation of the tin powder in the silk screen frame can be avoided, the secondary use of the tin powder is realized by avoiding the pollution to the tin powder, the processing quality is improved, the waste is avoided, and the production efficiency is improved.
2. According to the screen printing equipment for the PCB, 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 PCB board according to the present invention;
FIG. 2 is a schematic view of a partial structure of a screen printing apparatus for a PCB board according to the present invention;
FIG. 3 is a sectional view showing a side structure of a screen printing apparatus for a PCB board according to the present invention;
FIG. 4 is a sectional view showing a front structure of a screen printing apparatus for a PCB board according to the present invention;
FIG. 5 is an enlarged detail view taken at A of FIG. 4 in accordance with the present invention;
fig. 6 is an enlarged detail view of fig. 3B of 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 material carrying plate; 6. a support; 7. a cylinder; 8. screen printing frames; 9. printing a bottom plate in a silk screen mode; 10. a positioning column; 11. positioning holes; 12. a first chute; 13. a slider; 14. a squeegee; 15. a guide chute; 16. mounting a rod; 17. a second chute; 18. a collection pipe; 19. a material storage box; 20. a slide rail; 21. a guide ring; 22. a discharge port; 23. a cabinet door; 24. a feed inlet; 25. and (7) mounting the plate.
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 PCB 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 5 used for placing a circuit board, wherein the material carrying plate 5 can be conveyed among a first conveyor belt, the connecting roller frame 2 and the conveyor belt 3, a support 6 is arranged above the workbench 1, an air cylinder 7 is arranged at the top of the support 6, a piston rod of the air cylinder 7 penetrates through the support 6, the lower end of the piston rod is connected with a screen printing frame 8 capable of moving up and down above the conveyor belt 3, the bottom of the screen printing frame 8 is provided with a screen printing bottom plate 9, the lower surface of the screen printing bottom plate 9 is provided with at least two positioning columns 10, and the material carrying plate 5 is provided with positioning holes 11 matched with the positioning columns 10;
two opposite inner walls of the screen printing frame 8 are respectively provided with a second sliding chute 17 above the screen printing bottom plate 9, each second sliding chute 17 is internally provided with a sliding block 13 capable of reciprocating in the second sliding chute 17, the two sliding blocks 13 are connected through an installation rod 16 provided with a scraper 14, the lower end surface of the obliquely arranged scraper 14 is contacted with the upper surface of the screen printing bottom plate 9, at least one sliding block 13 is connected with a driving mechanism, the screen printing frame 8 is provided with a feeding hole 24, and the central area of the screen printing bottom plate 9 is provided with a plurality of uniformly distributed discharging through holes;
a discharge hole 22 is formed in the silk-screen bottom plate 9 and positioned on the outer side of the region with the discharge through hole, the upper end of a collecting pipe 18 arranged on the workbench 1 is used for being communicated with the discharge hole 22, and the lower end of the collecting pipe 18 is detachably connected with a storage box 19;
the conveying 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 41 along the advancing direction of the material carrying plate 5, and the lower surface of the material carrying plate 5 is provided with two guide sliding grooves 15 matched with the guide block groups 4.
The rotating roller of the connecting roller frame 2 is provided with a guide ring 21 matched with the guide sliding chute 15.
The side surfaces of the working table 1 are rotatably connected with cabinet doors 23.
Example 2: a screen printing device for a PCB 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 5 used for placing a circuit board, wherein the material carrying plate 5 can be conveyed among a first conveyor belt, the connecting roller frame 2 and the conveyor belt 3, a support 6 is arranged above the workbench 1, an air cylinder 7 is arranged at the top of the support 6, a piston rod of the air cylinder 7 penetrates through the support 6, the lower end of the piston rod is connected with a screen printing frame 8 capable of moving up and down above the conveyor belt 3, the bottom of the screen printing frame 8 is provided with a screen printing bottom plate 9, the lower surface of the screen printing bottom plate 9 is provided with at least two positioning columns 10, and the material carrying plate 5 is provided with positioning holes 11 matched with the positioning columns 10;
two opposite inner walls of the screen printing frame 8 are respectively provided with a second sliding chute 17 above the screen printing bottom plate 9, each second sliding chute 17 is internally provided with a sliding block 13 capable of reciprocating in the second sliding chute 17, the two sliding blocks 13 are connected through an installation rod 16 provided with a scraper 14, the lower end surface of the obliquely arranged scraper 14 is contacted with the upper surface of the screen printing bottom plate 9, at least one sliding block 13 is connected with a driving mechanism, the screen printing frame 8 is provided with a feeding hole 24, and the central area of the screen printing bottom plate 9 is provided with a plurality of uniformly distributed discharging through holes;
a discharge hole 22 is formed in the silk-screen bottom plate 9 and positioned on the outer side of the region with the discharge through hole, the upper end of a collecting pipe 18 arranged on the workbench 1 is used for being communicated with the discharge hole 22, and the lower end of the collecting pipe 18 is detachably connected with a storage box 19;
the conveying 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 41 along the advancing direction of the material carrying plate 5, and the lower surface of the material carrying plate 5 is provided with two guide sliding grooves 15 matched with the guide block groups 4.
The lower end of the collecting pipe 18 is provided with a mounting plate 25 extending to the periphery, two sides of the lower surface of the mounting plate 25 are respectively provided with a slide rail 20, and the upper end surface of the storage box 19 is provided with a first sliding groove 12 matched with the slide rail 20.
The rotating roller of the connecting roller frame 2 is provided with a guide ring 21 matched with the guide sliding chute 15.
When the screen printing equipment for the PCB is adopted, the material carrying plate can be conveyed among the first conveying belt, the connecting roller frame and the conveying belt, a support is arranged above the workbench, an air cylinder is arranged at the top of the support, a piston rod of the air cylinder penetrates through the support, the lower end of the piston rod is connected with a screen printing frame capable of moving up and down above the conveying 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 formed in the material carrying plate, automatic operation of feeding, conveying and tin powder coating is realized in the process of screen printing of the circuit board, the position precision of the circuit board in the operation process can be further ensured, the deviation is avoided, and the processing precision and efficiency are improved;
the upper end of a collecting pipe arranged on the workbench is communicated with the discharge hole, the lower end of the collecting pipe is detachably connected with a storage box, and the excessive tin powder from the screen printing frame is collected, so that the tin powder can be prevented from being accumulated in the screen printing frame to influence the processing quality, the pollution to the tin powder can be avoided to realize the secondary use of the tin powder, the processing quality is improved, the waste is avoided, and the production efficiency is improved;
still, all be provided with the direction block group that two intervals set up on its conveyer belt, every direction block group is arranged in proper order along carrying flitch advancing direction by a plurality of direction block and forms, is provided with two on the lower surface of carrying the flitch and is used for with direction block group complex direction spout, guarantees to carry the position accuracy of flitch in fortune material, processing overall process, avoids the circuit board on it to take place the skew, improves the precision of processing.
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 within the protection scope of the present invention.
Claims (4)
1. The utility model provides a screen printing equipment of PCB board, is including workstation (1) of installing conveyer belt (3), connecting roller frame (2) that are located workstation (1) front end and year flitch (5) that are used for placing the circuit board, carry flitch (5) and can convey its characterized in that between first conveyer belt, connecting roller frame (2) and conveyer belt (3): a support (6) is arranged above the workbench (1), an air cylinder (7) is installed at the top of the support (6), a piston rod of the air cylinder (7) penetrates through the support (6), the lower end of the piston rod is connected with a screen printing frame (8) capable of moving up and down above the conveyor belt (3), a screen printing bottom plate (9) is installed at the bottom of the screen printing frame (8), at least two positioning columns (10) are arranged on the lower surface of the screen printing bottom plate (9), and positioning holes (11) matched with the positioning columns (10) are formed in the material carrying plate (5);
two second sliding grooves (17) are respectively arranged on two opposite inner walls of the screen printing frame (8) and above the screen printing bottom plate (9), a sliding block (13) capable of moving in the second sliding grooves (17) in a reciprocating manner is arranged in each second sliding groove (17), the two sliding blocks (13) are connected through an installation rod (16) provided with a scraper (14), the lower end face of the obliquely arranged scraper (14) is in contact with the upper surface of the screen printing bottom plate (9), at least one sliding block (13) is connected with a driving mechanism, a feeding hole (24) is formed in the screen printing frame (8), and a plurality of uniformly distributed discharging through holes are formed in the central area of the screen printing bottom plate (9);
a discharge hole (22) is formed in the silk-screen bottom plate (9) and located on the outer side of the region with the discharge through hole, the upper end of a collecting pipe (18) installed on the workbench (1) is communicated with the discharge hole (22), and the lower end of the collecting pipe (18) is detachably connected with a storage box (19);
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 (5), and the lower surface of the material carrying plate (5) is provided with two guide sliding grooves (15) which are used for being matched with the guide block groups (4).
2. A screen printing apparatus for a PCB as claimed in claim 1, wherein: the collecting pipe (18) lower extreme has one to the mounting panel (25) that extends all around, and this mounting panel (25) lower surface both sides respectively are provided with a slide rail (20), be provided with on the up end of storage box (19) with this slide rail (20) complex first spout (12).
3. A screen printing apparatus of a PCB board according to claim 1 or 2, wherein: and a guide ring (21) matched with the guide sliding groove (15) is arranged on the rotating roller of the connecting roller frame (2).
4. A screen printing apparatus of a PCB board according to claim 1 or 2, wherein: and the side surfaces of the workbench (1) are rotatably connected with cabinet doors (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122240960.3U CN216231153U (en) | 2021-09-16 | 2021-09-16 | Screen printing equipment of PCB board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122240960.3U CN216231153U (en) | 2021-09-16 | 2021-09-16 | Screen printing equipment of PCB board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216231153U true CN216231153U (en) | 2022-04-08 |
Family
ID=80984855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122240960.3U Expired - Fee Related CN216231153U (en) | 2021-09-16 | 2021-09-16 | Screen printing equipment of PCB board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216231153U (en) |
-
2021
- 2021-09-16 CN CN202122240960.3U patent/CN216231153U/en not_active Expired - Fee Related
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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: 20220408 |