CN115723412A - Screen printing device for electronic product - Google Patents
Screen printing device for electronic product Download PDFInfo
- Publication number
- CN115723412A CN115723412A CN202111013013.9A CN202111013013A CN115723412A CN 115723412 A CN115723412 A CN 115723412A CN 202111013013 A CN202111013013 A CN 202111013013A CN 115723412 A CN115723412 A CN 115723412A
- Authority
- CN
- China
- Prior art keywords
- screen printing
- bottom plate
- frame
- material carrying
- guide
- 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.)
- Pending
Links
Images
Landscapes
- Screen Printers (AREA)
Abstract
The invention discloses a screen printing device for electronic products, which comprises a first working table provided with a first conveyor belt, a second working table provided with a second conveyor belt, a connecting roller frame positioned between the first working table and the second working table and a material carrying plate used for placing a circuit board, wherein a third support is arranged above the second working table, the top of the third support is provided with an air cylinder, a piston rod of the air cylinder penetrates through the third support, the lower end of the piston rod is connected with a screen printing frame, the bottom of the screen printing frame is provided with a screen printing bottom plate, two opposite inner walls of the screen printing frame and positioned above the screen printing bottom plate are respectively provided with a second chute, each second chute is internally provided with a sliding block capable of reciprocating in the second chute, one sliding block is provided with a second motor, an obliquely arranged scraper blade is arranged on an installation rod, and the lower end face of the scraper blade is contacted with the upper surface of the screen printing bottom plate. The invention can ensure the position precision of the circuit board in the operation process and improve the processing precision and efficiency.
Description
Technical Field
The invention relates to a screen printing device for an electronic product, 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.
Disclosure of Invention
The invention aims to provide a screen printing device for electronic products, which realizes automatic operation of feeding, transporting and tin powder coating, can ensure the position precision of a circuit board in the operation process, and improves the processing precision and efficiency.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a screen printing device for electronic products comprises a first workbench provided with a first conveyor belt, a second workbench provided with a second conveyor belt, a connecting roller frame positioned between the first workbench and the second workbench, and a material carrying plate used for placing a circuit board, wherein the material carrying plate can be conveyed among the first conveyor belt, the connecting roller frame and the second conveyor belt;
the screen printing frame is characterized in that two inner walls opposite to each other of the screen printing frame are arranged on the screen printing bottom plate, a second sliding groove is formed in each of the upper portions of the screen printing bottom plate, a sliding block capable of moving back and forth in the second sliding groove is arranged in each second sliding groove, one sliding block is provided with a second motor, one end of an installation rod is connected with an output shaft of the second motor, the other end of the installation rod is rotatably connected with the other sliding block through a bearing, a scraper arranged in an inclined mode is arranged on the installation rod, the lower end face of the 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 feed port is formed in the screen printing frame, and a plurality of uniformly distributed discharge through holes are formed in the central area of the screen printing bottom plate.
The further improved scheme in the technical scheme is as follows:
1. in the scheme, a material guide plate is arranged in the screen printing frame and above the scraper, a concave area is formed on the material guide plate and outside the area, with the discharge through hole, of the screen printing bottom plate, a plurality of discharge holes distributed at intervals are formed in the concave area, a discharge pipe is connected below each discharge hole, and a valve is mounted on each discharge pipe.
2. In the above scheme, the first conveyor belt and the second conveyor belt are respectively 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.
3. In the above scheme, the driving mechanism includes a first motor installed at one end of the second chute and a screw rod with one end connected with an output end of the first motor, the other end of the screw rod is rotatably connected with the other end of the second chute through a bearing seat, and the slider is sleeved on the screw rod and is in threaded connection with the screw rod.
4. 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 invention has the following advantages:
1. the invention relates to a silk-screen printing device for electronic products, which is provided with a first working table of a first conveyor belt, a second working table of a second conveyor belt, a connecting roller frame positioned between the first working table and the second working table and a material carrying plate used for placing a circuit board, wherein a third support is arranged above the second working table, the top of the third support is provided with an air cylinder, a piston rod of the air cylinder penetrates through the third support, the lower end of the piston rod is connected with a silk-screen frame capable of moving up and down above the second conveyor belt, the bottom of the silk-screen frame is provided with a silk-screen bottom plate, the lower surface of the silk-screen bottom plate is provided with at least two positioning columns, and the material carrying plate is provided with positioning holes matched with the positioning columns, thereby realizing the automatic operation of feeding, conveying and tin powder coating, ensuring the position accuracy of the circuit board in the operation process and improving the processing accuracy and efficiency.
2. The invention relates to a silk-screen printing device for electronic products, wherein two opposite inner walls of a silk-screen frame of the silk-screen printing device are respectively provided with a second chute above a silk-screen bottom plate, each second chute is internally provided with a slide block capable of reciprocating in the second chute, a second motor is arranged on one slide block, one end of a mounting rod is connected with an output shaft of the second motor, the other end of the mounting rod is rotatably connected with the other slide block through a bearing, an obliquely arranged scraper is arranged on the mounting rod, the lower end surface of the scraper is contacted with the upper surface of the silk-screen bottom plate, and the silk-screen frame is provided with a feed inlet.
Drawings
FIG. 1 is a schematic view of the overall structure of a screen printing apparatus for electronic products according to the present invention;
FIG. 2 is a sectional view showing the structure of a screen printing apparatus for electronic products according to the present invention;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a schematic side view at A of FIG. 2 of the present invention;
fig. 5 is a partial structural view of a screen printing apparatus for electronic products according to the present invention.
In the above drawings: 1. a first table; 2. a second table; 3. connecting the roller frame; 4. a first conveyor belt; 5. a second conveyor belt; 6. a guide block group; 61. a guide block; 7. a support; 8. a cylinder; 9. screen printing frames; 10. printing a bottom plate in a silk screen mode; 11. a material guide plate; 12. a discharge pipe; 13. a valve; 14. a second chute; 15. a slider; 16. a first motor; 17. a screw rod; 18. a second motor; 19. a squeegee; 20. a positioning column; 21. a material loading plate; 22. positioning holes; 23. a guide chute; 24. mounting a rod; 25. and (4) feeding a material inlet.
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 electronic products comprises a first workbench 1 provided with a first conveyor belt 4, a second workbench 2 provided with a second conveyor belt 5, a connecting roller frame 3 positioned between the first workbench 1 and the second workbench 2 and a material carrying plate 21 used for placing a circuit board, wherein the material carrying plate 21 can be conveyed among the first conveyor belt 4, the connecting roller frame 3 and the second conveyor belt 5, a support 7 is arranged above the second workbench 2, an air cylinder 8 is arranged 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 second conveyor belt 5, a screen printing bottom plate 10 is arranged at the bottom of the screen printing frame 9, at least two positioning columns 20 are arranged on the lower surface of the screen printing bottom plate 10, and positioning holes 22 matched with the positioning columns 20 are arranged on the material carrying plate 21;
two inner walls that silk screen frame 9 is relative are located respectively install a second spout 14, every be provided with one in the second spout 14 reciprocating motion's slider 15, one on the slider 15 install a second motor 18, the one end of an installation pole 24 and the output shaft of second motor 18, the other end of installation pole 24 passes through the bearing and is connected with another slider 15 rotation, the scraper blade 19 that an slope set up install in on the installation pole 24 and the lower terminal surface of this scraper blade 19 and the last surface contact of silk screen bottom plate 10, at least one slider 15 is connected with actuating mechanism, it has the feed inlet to open on the silk screen frame, the central area of silk screen bottom plate 10 is opened has a plurality of evenly distributed's discharging hole.
A material guide plate 11 is arranged in the screen printing frame 9 and above the scraper 19, a concave area is formed on the material guide plate 11 and outside the area of the screen printing bottom plate 10 with the discharging through hole, a plurality of discharging holes distributed at intervals are formed on the concave area, a discharging pipe 12 is connected below each discharging hole, and a valve 13 is arranged on the discharging pipe 12.
The first conveyor belt 4 and the second conveyor belt 5 are both provided with two guide block groups 6 arranged at intervals, each guide block group 6 is formed by sequentially arranging a plurality of guide blocks 61 along the advancing direction of the material carrying plate 21, and the lower surface of the material carrying plate 21 is provided with two guide chutes 23 used for being matched with the guide block groups 6.
The front end of the guide chute 23 has a flared bell mouth.
Example 2: a screen printing device for electronic products comprises a first workbench 1 provided with a first conveyor belt 4, a second workbench 2 provided with a second conveyor belt 5, a connecting roller frame 3 positioned between the first workbench 1 and the second workbench 2 and a material carrying plate 21 used for placing a circuit board, wherein the material carrying plate 21 can be conveyed among the first conveyor belt 4, the connecting roller frame 3 and the second conveyor belt 5, a support 7 is arranged above the second workbench 2, the top of the support 7 is provided with a cylinder 8, 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 second conveyor belt 5, the bottom of the screen printing frame 9 is provided with a screen printing bottom plate 10, the lower surface of the screen printing bottom plate 10 is provided with at least two positioning columns 20, and the material carrying plate 21 is provided with positioning holes 22 matched with the positioning columns 20;
two inner walls that silk screen frame 9 is relative are located respectively install a second spout 14, every be provided with one in the second spout 14 reciprocating motion's slider 15, one on the slider 15 install a second motor 18, the one end of an installation pole 24 and the output shaft of second motor 18, the other end of installation pole 24 passes through the bearing and is connected with another slider 15 rotation, the scraper blade 19 that an slope set up install in on the installation pole 24 and the lower terminal surface of this scraper blade 19 and the last surface contact of silk screen bottom plate 10, at least one slider 15 is connected with actuating mechanism, it has the feed inlet to open on the silk screen frame, the central area of silk screen bottom plate 10 is opened has a plurality of evenly distributed's discharging hole.
Above-mentioned silk screen frame 9 is interior and be located scraper blade 19 top and be provided with a stock guide 11, above-mentioned stock guide 11 is last and be located silk screen printing bottom plate 10 and have the outside in ejection of compact through-hole region and be formed with a recessed area, it has a plurality of interval distribution's discharge opening to open on this recessed area, the below of every above-mentioned discharge opening is connected with discharging pipe 12, install valve 13 on the above-mentioned discharging pipe 12, the tin powder that comes from the feed inlet falls into the silk screen printing bottom plate through discharging pipe 12 on stock guide 11, both can guarantee the homogeneity that the tin powder distributes, can avoid the unordered waste that leads to and the erosion damage to the part that wafts of tin powder again, further improve the efficiency and the precision of processing.
The first conveyor belt 4 and the second conveyor belt 5 are both provided with two guide block groups 6 arranged at intervals, each guide block group 6 is formed by sequentially arranging a plurality of guide blocks 61 along the advancing direction of the material carrying plate 21, and the lower surface of the material carrying plate 21 is provided with two guide chutes 23 used for being matched with the guide block groups 6, so that the position precision of the material carrying plate 21 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.
The driving mechanism comprises a first motor 16 arranged at one end of the second sliding chute 14 and a screw rod 17 with one end connected with the output end of the first motor 16, the other end of the screw rod 17 is rotatably connected with the other end of the second sliding chute 14 through a bearing seat, and the slide block 15 is sleeved on the screw rod 17 and is in threaded connection with the screw rod 17.
When adopting above-mentioned screen printing device for electronic product, the theory of operation does: when the automatic screen printing machine works, a material carrying plate with a circuit board placed is placed on a material carrying roller frame at one end of a first working table, the material carrying plate is pushed to move to a first conveying belt, an expansion port at one end of a guide chute is convenient for a guide block on the first conveying belt to be embedded into the guide chute when the material carrying plate moves, the first conveying belt can drive the material carrying plate to move, then the material carrying plate is moved to a connecting roller frame by the first conveying belt, the material carrying plate is moved to a second working table, the expansion port at one end of the guide chute is convenient for the guide chute of the material carrying plate to be matched with the guide block on the second conveying belt, the second conveying belt is started to drive the material carrying plate to move, when the material carrying plate reaches a designated position, the second conveying belt stops working temporarily, and a cylinder pushes a screen printing frame and a screen printing bottom plate to move, the valve at the discharge port is opened until the screen printing frame descends to a position column and is inserted into the positioning hole, so that the bottom surface of the screen printing bottom plate is attached to the top surface of the circuit board, the tin powder falls on the screen printing bottom plate through the inclined surface of the material guide plate, then the valve is closed, the second motor drives one side of the scraper to be in contact with the top surface of the screen printing bottom plate, then the first motor 6 drives the sliding block, the second motor and the like to move along the second sliding groove through the lead screw, so that the scraper drives the tin powder to move, the tin powder falls on the circuit board through the hole in the screen printing bottom plate, when the scraper moves to the other end of the screen printing bottom plate 10, the second motor rotates, so that the second side edge of the scraper is in contact with the top surface of the screen printing bottom plate, the first motor drives the scraper to reversely scrape the tin powder through the lead screw, so that each welding point of the tin powder on the circuit board is enough, finally, the cylinder contracts to reset, the second conveyor belt is started, and the second conveyor belt drives the material guide plate to move.
The automatic screen printing machine comprises a first workbench, a second workbench, a connecting roller frame and a material carrying plate, wherein the first workbench is provided with a first conveyor belt, the second workbench is provided with a second conveyor belt, the connecting roller frame is positioned between the first workbench and the second workbench, the material carrying plate is used for placing a circuit board, the material carrying plate can be used for conveying among the first conveyor belt, the connecting roller frame and the second conveyor belt, a third support is arranged above the second workbench, the top of the third support is provided with a cylinder, a piston rod of the cylinder penetrates through the third support, the lower end of the piston rod is connected with a screen printing frame capable of moving up and down above the second conveyor belt, the bottom of the screen printing frame is provided with a screen printing bottom plate, the lower surface of the screen printing bottom plate is provided with at least two positioning columns, and the material carrying plate is provided with positioning holes matched with the positioning columns;
and the screen printing frame is provided with a feeding hole, a plurality of uniformly distributed discharging through holes are formed in the central area of the screen printing bottom plate, the second motor can drive the scraper to rotate, so that the adjustment of the inclination angle of the scraper can be realized to better adapt to various processing scenes, the scraper can act on tin powder in the reciprocating motion process along with the slide block by turning over the scraper, and the processing efficiency is improved.
The above embodiments are only for illustrating the technical idea and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the protection scope of the present invention by this means. 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 (5)
1. The utility model provides a screen printing device for electronic product, is including first workstation (1) of installing first conveyer belt (4), install second workstation (2) of second conveyer belt (5), be located connecting roller frame (3) between first workstation (1) and second workstation (2) and be used for placing the material carrying board (21) of circuit board, material carrying board (21) can convey between first conveyer belt (4), connecting roller frame (3) and second conveyer belt (5), its characterized in that: a support (7) is arranged above the second workbench (2), 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 second conveyor belt (5), a screen printing bottom plate (10) is installed at the bottom of the screen printing frame (9), at least two positioning columns (20) are arranged on the lower surface of the screen printing bottom plate (10), and positioning holes (22) matched with the positioning columns (20) are formed in the material carrying plate (21);
two inner walls that silk screen frame (9) are relative are gone up and are located respectively install a second spout (14) above silk screen bottom plate (10), every be provided with one in second spout (14) can be in second spout (14) reciprocating motion's slider (15), one install a second motor (18) on slider (15), the one end of an installation pole (24) and the output shaft of second motor (18), the other end of installation pole (24) passes through the bearing and is connected with another slider (15) rotation, a scraper blade (19) that the slope set up install in the last lower terminal surface of just this scraper blade (19) of installation pole (24) and the last surface contact of silk screen bottom plate (10), at least one slider (15) are connected with actuating mechanism, it has feed inlet (25) to open on silk screen frame (9), the central zone of silk screen bottom plate (10) is opened has a plurality of evenly distributed's ejection of compact through-hole.
2. A screen printing apparatus for electronic products according to claim 1, wherein: the screen printing frame is characterized in that a material guide plate (11) is arranged in the screen printing frame (9) and above the scraper (19), a concave area is formed on the outer side of the screen printing bottom plate (10) with the discharging through hole area, a plurality of discharging holes distributed at intervals are formed in the concave area, a discharging pipe (12) is connected below each discharging hole, and a valve (13) is installed on the feeding hole (25).
3. A screen printing apparatus for electronic products according to claim 1 or 2, wherein: the conveying device is characterized in that two guide block groups (6) arranged at intervals are arranged on the first conveying belt (4) and the second conveying belt (5), each guide block group (6) is formed by sequentially arranging a plurality of guide blocks (61) along the advancing direction of the material carrying plate (21), and two guide sliding grooves (23) used for being matched with the guide block groups (6) are formed in the lower surface of the material carrying plate (21).
4. A screen printing apparatus for electronic products according to claim 1 or 2, wherein: the driving mechanism comprises a first motor (16) arranged at one end of the second sliding groove (14) and a screw rod (17) with one end connected with the output end of the first motor (16), the other end of the screw rod (17) is rotatably connected with the other end of the second sliding groove (14) through a bearing seat, and the sliding block (15) is sleeved on the screw rod (17) and is in threaded connection with the screw rod (17).
5. A screen printing apparatus for electronic products according to claim 1 or 2, wherein: the front end of the guide sliding chute (23) is provided with a flared bell mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111013013.9A CN115723412A (en) | 2021-08-31 | 2021-08-31 | Screen printing device for electronic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111013013.9A CN115723412A (en) | 2021-08-31 | 2021-08-31 | Screen printing device for electronic product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115723412A true CN115723412A (en) | 2023-03-03 |
Family
ID=85291475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111013013.9A Pending CN115723412A (en) | 2021-08-31 | 2021-08-31 | Screen printing device for electronic product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115723412A (en) |
-
2021
- 2021-08-31 CN CN202111013013.9A patent/CN115723412A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216443261U (en) | Screen printing equipment for circuit board | |
| CN109049948B (en) | Solder paste printing device and printing method | |
| CN205693988U (en) | Chip mounter and automatic feed mechanism thereof | |
| CN112172317B (en) | Multi-station circuit board printer and printing method | |
| CN216153334U (en) | Tin powder printing equipment for electronic product | |
| CN115723412A (en) | Screen printing device for electronic product | |
| US6405895B1 (en) | Arranging and supplying apparatus | |
| CN215850188U (en) | Tin printing device for electronic product | |
| CN215882965U (en) | Automatic screen printing equipment | |
| CN215850190U (en) | Automatic tin powder printing device | |
| CN115734508A (en) | Processing device for electronic product | |
| CN216153335U (en) | Plane screen printing tin device | |
| CN216139635U (en) | Screen tin powder printing machine | |
| CN114604568B (en) | Automatic detection device for PCB | |
| CN115816987A (en) | Screen printing apparatus | |
| CN216231153U (en) | Screen printing equipment of PCB board | |
| CN216139636U (en) | Automatic printing device for PCB | |
| CN211544973U (en) | Automatic feeding mechanism suitable for connector colloid | |
| CN109014594B (en) | Laser marking machine | |
| CN115816988A (en) | Screen printing back-end processing device for electronic product | |
| CN112109434A (en) | Lampshade pad printing system | |
| CN113263302A (en) | Automatic pin machine of big dipper navigation antenna | |
| CN216915200U (en) | Full-automatic printing equipment | |
| CN220825149U (en) | Multi-material rotary distribution positioning mechanism | |
| CN208969011U (en) | A kind of tin cream detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |