CN219191601U

CN219191601U - Automatic scraper printing device

Info

Publication number: CN219191601U
Application number: CN202223326137.5U
Authority: CN
Inventors: 杨升航; 陈开祥
Original assignee: Kunshan Surpsun Electronic Material Co ltd
Current assignee: Kunshan Surpsun Electronic Material Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-06-16
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses an automatic scraper printing device, which relates to the technical field of printing and comprises an operation table, wherein an objective table is fixedly connected to the top of the operation table, a positioning groove is formed in the top of the objective table, two positioning plates are symmetrically and slidingly connected in the positioning groove, one side of the objective table penetrates through and is rotationally connected with a double-head screw rod, and the two positioning plates are respectively sleeved at two ends of the double-head screw rod; the top of the operation table is symmetrically and fixedly connected with two mounting plates, a connecting block is rotatably arranged between the two mounting plates, one side of the connecting block is fixedly connected with a printing screen, and the connecting block is driven by a motor; this application has set up constant head tank and locating plate, when placing the circuit board in the constant head tank, realizes the preliminary location to the circuit board, then draws close each other through two locating plates, carries out automatic centering to the circuit board, realizes the secondary location to the circuit board, and is effectual to the location of circuit board, avoids the dislocation to the print position to improve the printing effect to the circuit board.

Description

Automatic scraper printing device

Technical Field

The utility model relates to the technical field of printing, in particular to an automatic scraper printing device.

Background

Screen printing is a printing technique which adopts the principle that ink can penetrate through the mesh of the image-text part of a screen printing plate, is more general than the traditional printing technique, and has wide application, wherein the printing of a circuit board is included.

According to one utility model patent with the Chinese patent application number of CN2017102128501, a screen printing device is disclosed, which comprises a plate frame, a screen template, a scraping plate, an ink brush and an ink nozzle, wherein the screen template is a screen plate with a specific pattern; two sides of the plate frame are provided with sliding grooves, two ends of the scraping plate are arranged in the sliding grooves, and the scraping plate can slide back and forth under the drive of the driving device; the two ends of the ink brush are arranged in the sliding groove and can slide back and forth under the drive of the driving device. The scraping plate automatically reciprocates in the frame chute, and the thickness of the printing ink can be controlled by controlling the distance between the scraping plate and the silk screen template; when the printing is completed to transfer the workpiece, the ink brush cleans the residual ink on the silk screen template, so that the workpiece is prevented from being polluted by ink dripping and the printing quality is prevented from being influenced.

However, the conventional screen printing apparatus has the following disadvantages in use: when the circuit board is placed on the top of the printing table, the circuit board is generally placed through the experience of a worker, so that the phenomenon of inaccurate positioning of the circuit board is caused, the phenomenon of misplacement of the printing position is easy to occur, and the printing effect on the circuit board is reduced; to this end, the present utility model provides an automatic squeegee printing device.

Disclosure of Invention

The utility model aims to provide an automatic scraper printing device.

The technical problems solved by the utility model are as follows: when the circuit board is placed on the top of the printing table, the circuit board is generally placed through the experience of a worker, and thus, the phenomenon of inaccurate positioning of the circuit board and the phenomenon of misplacement of the printing position are easy to occur, so that the printing effect on the circuit board is reduced.

The utility model can be realized by the following technical scheme: the utility model provides an automatic scraper blade printing device, includes the operation panel, and the top rigid coupling of operation panel has the objective table, and the constant head tank has been seted up at the top of objective table, and symmetrical sliding connection has two locating plates in the constant head tank, and one side of objective table runs through and rotates and be connected with double-end screw rod, and two locating plates still overlap respectively and establish the both ends at double-end screw rod.

The utility model further technically improves that: the top symmetry rigid coupling of operation panel has two mounting panels, rotates between two mounting panels to be provided with the connecting block, and one side rigid coupling of connecting block has the printing half tone, and the connecting block passes through motor drive.

The utility model further technically improves that: one side of the mounting plate is also rotationally connected with a threaded rod which is driven by a motor; the top of operation panel still sliding connection has the rectangle piece, and the threaded rod runs through in the rectangle piece.

The utility model further technically improves that: the rectangular block is rotationally connected with a strip-shaped plate on one side close to the printing screen, a scraping plate is fixedly connected with the other side of the strip-shaped plate, and the strip-shaped plate is driven by a motor.

The utility model further technically improves that: the scraping plate comprises a first plate, a cavity is formed in the first plate, a second plate penetrates through the bottom of the first plate and is connected with the bottom of the first plate in a sliding mode, a third plate is fixedly connected to the top of the second plate, a spring is fixedly connected to the bottom of the third plate, and the bottom end of the spring is fixedly connected to the bottom of the cavity; the top rigid coupling of No. three boards has a trapezoidal piece, and a board runs through and sliding connection has the push rod in the one side that is close to the guide block, and the one end rigid coupling that the push rod is located the cavity has No. two trapezoidal pieces, and the one end that the push rod is located the cavity also overlaps and is equipped with the spring.

The utility model further technically improves that: one side of the operating table far away from the threaded rod is fixedly connected with a U-shaped plate, one side of the U-shaped plate close to the printing screen is fixedly connected with a guide block, and the section of the guide block is in a right-angle triangle shape.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the positioning groove is formed in the top of the objective table, the two positioning plates are symmetrically and slidingly connected in the positioning groove, when the circuit board is placed in the positioning groove, the circuit board is initially positioned, then the circuit board is automatically centered through the mutual approaching of the two positioning plates, the secondary positioning of the circuit board is realized, the positioning effect of the circuit board is good, the dislocation of the printing position is avoided, and the printing effect of the circuit board is improved.

2. In the utility model, in the process that the scraping plate rotates to the top of the printing screen, the push rod drives the second plate to move downwards, so that the second plate is tightly pressed on the top of the printing screen, ink on the top of the printing screen is conveniently pressed out of the meshes, and the printing effect on the circuit board is favorably improved.

Drawings

The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.

FIG. 1 is a schematic view of the external structure of the present utility model;

FIG. 2 is a schematic view of an external structure connection according to another aspect of the present utility model;

FIG. 3 is a schematic top view of the stage of the present utility model;

FIG. 4 is a schematic view showing the connection of a partial cross-sectional structure of a scraper according to the present utility model;

fig. 5 is an enlarged view of a portion of fig. 4 a in accordance with the present utility model.

In the figure: 1. an operation table; 2. an objective table; 3. printing a screen; 4. a connecting block; 5. a mounting plate; 6. a threaded rod; 7. a support plate; 8. rectangular blocks; 9. a strip-shaped plate; 10. a scraper; 11. a guide block; 12. a first plate; 13. a second plate; 14. a third plate; 15. a first trapezoid block; 16. a push rod; 17. a second trapezoid block; 18. a positioning groove; 19. a positioning plate; 20. a double-ended screw; 21. a U-shaped plate.

Detailed Description

In order to further describe the technical means and effects adopted by the utility model for achieving the preset aim, the following detailed description is given below of the specific implementation, structure, characteristics and effects according to the utility model with reference to the attached drawings and the preferred embodiment.

Referring to fig. 1-5, an automatic scraper 10 printing device comprises an operation table 1, wherein an objective table 2 is fixedly connected to the top of the operation table 1, a printing screen 3 is placed on the top of the objective table 2, a connecting block 4 is fixedly connected to one side of the printing screen 3, two mounting plates 5 are symmetrically arranged on the top of the operation table 1, the connecting block 4 is rotationally connected between the two mounting plates 5 through a rotating shaft, and the rotating shaft is driven through a motor; the top of the operating platform 1 is also rotationally connected with a threaded rod 6, one end of the threaded rod 6 is connected to one side of the mounting plate 5 through a bearing, the other end of the threaded rod is connected to the side wall of the supporting plate 7 through a bearing, and the threaded rod 6 is driven by another motor; the top of the operating platform 1 is also connected with a rectangular block 8 in a sliding manner, and the threaded rod 6 penetrates through the rectangular block 8; the rectangular block 8 is rotationally connected with a strip-shaped plate 9 at one side close to the printing screen 3, and a scraping plate 10 is fixedly connected with the other side of the strip-shaped plate 9, wherein the strip-shaped plate 9 is driven by another motor; placing a circuit board to be printed in a printing area at the top of an objective table 2, driving a connecting block 4 and a printing screen 3 to rotate through a motor, enabling the printing screen 3 to be pressed at the top of the circuit board, uniformly spraying printing ink at the printing area of the printing screen 3, driving a strip-shaped plate 9 and a scraping plate 10 to rotate through the motor, enabling the scraping plate 10 to be pressed at the top of the printing screen 3, and finally driving a threaded rod 6 to rotate through the motor, enabling a rectangular block 8 to slide along the top of an operation table 1, further enabling the top of the printing screen 3 to slide through the scraping plate 10, so that printing of the circuit board is realized;

the screen frame of the printing screen 3 is a metal screen frame, a wood screen frame or an alloy screen frame; the screen gauze of the printing screen 3 is nylon screen gauze, polyester screen gauze or steel wire screen gauze, and a printing area is arranged on the screen gauze of the printing screen 3;

wherein, in order to make the scraping plate 10 closely contact with the top of the printing screen 3, a U-shaped plate 21 is fixedly connected with one side of the operating platform 1 far away from the threaded rod 6, a guide block 11 is fixedly connected with one side of the U-shaped plate 21 close to the printing screen 3, and the section of the guide block 11 is in a right-angle triangle shape; the scraper 10 comprises a first plate 12, a cavity is formed in the first plate 12, a second plate 13 penetrates through the bottom of the first plate 12 and is connected with the bottom in a sliding mode, a third plate 14 is fixedly connected to the top of the second plate 13, a spring is fixedly connected to the bottom of the third plate 14, and the bottom end of the spring is fixedly connected to the bottom of the cavity; the top of the third plate 14 is fixedly connected with a first trapezoid block 15, the first plate 12 penetrates through one side close to the guide block 11 and is in sliding connection with a push rod 16, one end of the push rod 16 positioned in the cavity is fixedly connected with a second trapezoid block 17, one end of the push rod 16 positioned in the cavity is sleeved with a spring, one end of the spring is fixedly connected to the inner wall of the cavity, and the other end of the spring is fixedly connected to the side wall of the second trapezoid block 17; when the motor drives the strip-shaped plate 9 and the scraping plate 10 to rotate, the push rod 16 is in contact with the guide plate, so that the push rod 16 starts to move towards the direction of entering the cavity, the push rod 16 drives the second trapezoid block 17 to extrude the first trapezoid block 15, the first trapezoid block 15 drives the third plate 14 and the second plate 13 to move downwards, the second plate 13 is tightly pressed on the top of the printing screen 3, ink on the top of the printing screen 3 is conveniently pressed out of meshes, and the printing effect on a circuit board is improved; wherein the spring is used for resetting the second plate 13 and the push rod 16;

in order to improve the printing effect on the circuit board, a positioning groove 18 is formed in the top of the objective table 2, two positioning plates 19 are symmetrically and slidably connected in the positioning groove 18, one side of the objective table 2 penetrates through and is rotationally connected with a double-head screw 20, and the two positioning plates 19 are respectively sleeved at two ends of the double-head screw 20; the circuit board is placed in the positioning groove 18, the double-headed screw rod 20 is driven to rotate by the motor, so that the double-headed screw rod 20 drives the two positioning plates 19 to move in opposite directions, automatic centering of the circuit board is realized, and positioning of the circuit board is completed; two positioning plates 19 may be additionally arranged, and the two positioning plates 19 may be driven by another double-headed screw 20, so that four positioning plates 19 are respectively located at the inner walls around the positioning groove 18.

When the printing machine is used, a circuit board to be printed is placed in a positioning groove 18 at the top of an objective table 2, a motor drives a double-head screw rod 20 to rotate, so that the double-head screw rod 20 drives two positioning plates 19 to move in opposite directions, centering of the circuit board is achieved, positioning of the circuit board is completed, then the motor drives a connecting block 4 and a printing screen 3 to rotate, the printing screen 3 is pressed on the top of the circuit board, printing ink is uniformly sprayed on a printing area of the printing screen 3, then the motor drives a strip-shaped plate 9 and a scraping plate 10 to rotate, the scraping plate 10 is pressed on the top of the printing screen 3, and finally the motor drives a threaded rod 6 to rotate, so that a rectangular block 8 slides along the top of an operation table 1, further the top of the printing screen 3 of the scraping plate 10 slides, and printing of the circuit board is achieved; when the motor drives the strip-shaped plate 9 and the scraping plate 10 to rotate, the push rod 16 is in contact with the guide plate, so that the push rod 16 starts to move towards the direction of entering the cavity, the push rod 16 drives the second trapezoid block 17 to squeeze the first trapezoid block 15, the first trapezoid block 15 drives the third plate 14 and the second plate 13 to move downwards, the second plate 13 is tightly pressed on the top of the printing screen 3, and the printing effect on the circuit board is improved; wherein the spring functions to return the plate number two 13 and the push rod 16.

The present utility model is not limited to the above embodiments, but is capable of modification and variation in all aspects, including those of ordinary skill in the art, without departing from the spirit and scope of the present utility model.

Claims

1. The utility model provides an automatic scraper printing device, includes operation panel (1), the top rigid coupling of operation panel (1) has objective table (2), its characterized in that: the utility model discloses a double-end screw rod (20) is installed in the top of objective table (2), constant head tank (18) has been seted up to the top of objective table (2), symmetrical sliding connection has two locating plates (19) in constant head tank (18), one side of objective table (2) runs through and rotates and be connected with double-end screw rod (20), and two locating plates (19) still overlap respectively and establish the both ends at double-end screw rod (20).

2. The automatic scraper printing device according to claim 1, wherein two mounting plates (5) are symmetrically and fixedly connected to the top of the operating platform (1), a connecting block (4) is rotatably arranged between the two mounting plates (5), a printing screen (3) is fixedly connected to one side of the connecting block (4), and the connecting block (4) is driven by a motor.

3. An automatic squeegee printing device according to claim 2 wherein one side of the mounting plate (5) is also rotatably connected with a threaded rod (6), and the threaded rod (6) is driven by a motor; the top of the operating platform (1) is also connected with a rectangular block (8) in a sliding manner, and the threaded rod (6) penetrates through the rectangular block (8).

4. An automatic squeegee printing device according to claim 3 wherein the rectangular block (8) is rotatably connected to a bar plate (9) on one side adjacent to the printing screen (3), the other side of the bar plate (9) being fixedly connected to a squeegee (10), the bar plate (9) being driven by a motor.

5. The automatic scraper printing device according to claim 4, wherein the scraper (10) comprises a first plate (12), a cavity is formed in the first plate (12), a second plate (13) penetrates through the bottom of the first plate (12) and is connected with the bottom of the first plate in a sliding manner, a third plate (14) is fixedly connected to the top of the second plate (13), a spring is fixedly connected to the bottom of the third plate (14), and the bottom end of the spring is fixedly connected to the bottom of the cavity; the top rigid coupling of No. three board (14) has trapezoidal piece (15) No. one, one side that is close to guide block (11) is run through and sliding connection has push rod (16) No. one board (12), one end rigid coupling that push rod (16) are located the cavity has trapezoidal piece (17) No. two, one end that push rod (16) are located the cavity also overlaps and is equipped with the spring.

6. An automatic scraper printing device according to claim 2, characterized in that a U-shaped plate (21) is fixedly connected to one side of the operating platform (1) far away from the threaded rod (6), a guide block (11) is fixedly connected to one side of the U-shaped plate (21) close to the printing screen (3), and the section of the guide block (11) is in a right-angle triangle shape.