CN215601558U

CN215601558U - Production device for photoelectric display screen

Info

Publication number: CN215601558U
Application number: CN202120871620.8U
Authority: CN
Inventors: 刘一锋; 张志强
Original assignee: Huaqing Badu Photoelectric Group Co ltd
Current assignee: Huaqing Badu Photoelectric Group Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2022-01-21
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a production device for a photoelectric display screen, which relates to the field of photoelectric display screens and comprises a solder paste printer body, wherein the solder paste printer body is provided with a conveyor belt, a PCB (printed circuit board) is arranged on the conveyor belt, two baffle plates are movably arranged on the conveyor belt, two fixed blocks are fixedly arranged on one baffle plate, slide rods are movably arranged on the two fixed blocks, the two slide rods are fixedly provided with the same brush, the brush is in contact with the PCB, the same brush is arranged between the two fixed blocks, the brush is fixedly arranged on the baffle plate, and an L-shaped rod is movably arranged on the brush. According to the utility model, through the arrangement of the brush, when the conveying belt conveys the PCB, the printing surface of the PCB cannot directly enter the machine, but can be cleaned once on the printing surface by the brush, so that the impurities such as dust on the printing surface of the PCB are prevented from being stuck by solder paste in the printing process, and the quality of the produced PCB is ensured.

Description

Production device for photoelectric display screen

Technical Field

The utility model relates to the technical field of photoelectric display screens, in particular to a production device for a photoelectric display screen.

Background

The PCB board is one of the inside important parts of photoelectric display screen, and the tin seal on the PCB board is formed by the printing of tin cream printing machine, and modern tin cream printing machine generally comprises mechanisms such as dress version, with tin cream, impression, transmission circuit board, and its theory of operation is: the PCB to be printed is fixed on a printing positioning table, then solder paste or red glue is subjected to screen printing on corresponding bonding pads through a steel mesh by a left scraper and a right scraper of a printing machine, and the PCB with uniform screen printing is input into a chip mounter through a transmission table to be subjected to automatic chip mounting.

Among the prior art, when current tin cream printing machine printed tin seal circuit on the PCB board, generally convey the PCB board to inside the tin cream printing machine through the conveyer belt, but the conveyer belt is when conveying the PCB board, the printing face of PCB board can expose outside, make the printing face of PCB board can fall dust or other impurity, and these impurity are stuck in case by the tin cream at the in-process of printing, the quality of the printed circuit that will influence causes and opens circuit, even arouses the short circuit with two circuit connection, thereby lead to the PCB board to scrap, consequently, need a apparatus for producing for photoelectric display screen to satisfy people's demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a production device for an optoelectronic display screen, which aims to solve the problems that when an existing solder paste printer provided by the background art prints a solder circuit on a PCB, the PCB is generally conveyed to the inside of the solder paste printer through a conveyor belt, but when the conveyor belt conveys the PCB, the printing surface of the PCB is exposed, so that dust or other impurities fall on the printing surface of the PCB, and once the impurities are stuck by the solder paste in the printing process, the quality of the printed circuit is influenced to cause open circuit, even two circuits are connected to cause short circuit, and the PCB is scrapped.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a apparatus for producing for photoelectric display screen, includes tin cream printing machine body, tin cream printing machine body is equipped with the conveyer belt, is equipped with the PCB board on the conveyer belt, movable mounting has two baffles on the conveyer belt, and fixed mounting has two fixed blocks on a baffle, and equal movable mounting has the slide bar on two fixed blocks, and fixed mounting has same brush on two slide bars, and the brush contacts with the PCB board mutually, is equipped with same brush between two fixed blocks, and brush fixed mounting is on the baffle, and L type pole movable mounting is on the brush, fixed mounting has the mounting panel on the conveyer belt, and fixed mounting has the motor on the mounting panel, and the output of motor has the motor shaft through shaft coupling fixed mounting, and movable mounting has the promotion axle on the motor shaft, promotes the axle and contacts with the brush.

Preferably, a first bevel gear is fixedly mounted on the motor shaft, a second bevel gear is fixedly mounted on the pushing shaft, and the first bevel gear is meshed with the second bevel gear.

Preferably, the two fixing blocks are provided with sliding holes, and the two sliding rods respectively penetrate through the two sliding holes.

Preferably, the two sliding rods are sleeved with springs, one ends of the springs are fixedly installed on the hairbrush, and the other ends of the springs are fixedly installed on the fixing block.

Preferably, the L-shaped rod is provided with a sliding groove. The sliding block is arranged in the sliding groove in a sliding mode and fixedly arranged on the hairbrush.

Preferably, the pushing shaft is provided with a rotating hole, a rotating shaft is rotatably arranged in the rotating hole, and the rotating shaft is fixedly arranged on the baffle.

Preferably, the mounting plate is fixedly provided with a support plate, and the support plate is fixedly arranged on the conveyor belt.

The utility model has the beneficial effects that:

according to the PCB printing machine, due to the arrangement of the brush, when the conveying belt conveys the PCB, the printing surface of the PCB cannot directly enter the machine, but can be cleaned once on the printing surface by the brush, so that dust and other impurities on the printing surface of the PCB are prevented from being stuck by solder paste in the printing process, and the quality of the produced PCB is ensured.

According to the utility model, through the arrangement of the baffles, when the PCB moves to the baffles on the conveyor belt, the PCB can be squeezed by the two baffles to two sides, so that when the PCB is cleaned by the brush, the PCB cannot be driven by the brush to move, and the PCB cannot be butted with the solder paste printer body, and the PCB with an improper position can be corrected by the two baffles, so that the PCB can not be processed by the solder paste printer body after being cleaned by the brush.

Drawings

Fig. 1 is a schematic perspective view of a device for producing an electro-optical display panel according to the present invention;

FIG. 2 is a schematic top view of an apparatus for manufacturing an electro-optical display panel according to the present invention;

FIG. 3 is a schematic view of a partial structure of a device for manufacturing an electro-optical display panel according to the present invention;

FIG. 4 is a schematic view of an L-shaped rod structure of a device for manufacturing an electro-optical display panel according to the present invention;

fig. 5 is a schematic structural diagram of a pushing shaft of the apparatus for producing an electro-optical display panel according to the present invention.

In the figure: 1. a solder paste printer body; 2. a conveyor belt; 3. a baffle plate; 4. a fixed block; 5. a slide bar; 6. a brush; 7. a PCB board; 8. mounting a plate; 9. a motor; 10. a motor shaft; 11. a first bevel gear; 12. a second bevel gear; 13. pushing the shaft; 14. a slide hole; 15. a spring; 16. an L-shaped rod; 17. a chute; 18. a slider; 19. a support plate; 20. rotating the hole; 21. and rotating the shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, a production device for photoelectric display screen, comprising a solder paste printer body 1, the solder paste printer body 1 is provided with a conveyor belt 2, the conveyor belt 2 is provided with a PCB board 7, the conveyor belt 2 is movably provided with two baffle plates 3, one baffle plate 3 is fixedly provided with two fixed blocks 4, two fixed blocks 4 are both movably provided with slide bars 5, two slide bars 5 are fixedly provided with the same brush 6, the brush 6 is contacted with the PCB board 7, the same brush 6 is arranged between the two fixed blocks 4, the brush 6 is fixedly arranged on the baffle plate 3, an L-shaped rod 16 is movably arranged on the brush 6, the conveyor belt 2 is fixedly provided with a mounting plate 8, the mounting plate 8 is fixedly provided with a motor 9, the output end of the motor 9 is fixedly provided with a motor shaft 10 through a coupler, the motor shaft 10 is movably provided with a pushing shaft 13, the pushing shaft 13 is contacted with the brush 6, be convenient for make conveyer belt 2 when conveying PCB board 7, inside the printing face of PCB board 7 can not directly get into the machine, but can be cleaned once on the printing face by brush 6 to avoid debris such as dust on the printing face of PCB board 7 to be stuck by the tin cream at the in-process of printing, guaranteed the quality of the PCB board 7 of production.

In the utility model, a first bevel gear 11 is fixedly installed on a motor shaft 10, a second bevel gear 12 is fixedly installed on a pushing shaft 13, and the first bevel gear 11 is meshed with the second bevel gear 12, so that the motor shaft 10 drives the first bevel gear 11 to rotate, the second bevel gear 12 is driven by the first bevel gear 11 to rotate, and the second bevel gear 12 drives the pushing shaft 13 to rotate.

In the utility model, the two fixed blocks 4 are both provided with the sliding holes 14, and the two sliding rods 5 respectively penetrate through the two sliding holes 14, so that the brush 6 can push the sliding rods 5 to slide in the sliding holes 14.

In the utility model, the two sliding rods 5 are sleeved with the springs 15, one ends of the springs 15 are fixedly arranged on the hairbrush 6, the other ends of the springs 15 are fixedly arranged on the fixed block 4, so that the hairbrush 6 can compress the springs 15 on the sliding rods 5, the springs 15 are stressed to contract, when the hairbrush 6 moves to the maximum moving distance, the motor 9 stops rotating, the springs 15 lose pressure, and the springs 15 push the hairbrush 6 to return to the original position, thereby cleaning the PCB 7.

In the utility model, the L-shaped rod 16 is provided with a sliding groove 17. A sliding block 18 is arranged in the sliding groove 17 in a sliding mode, and the sliding block 18 is fixedly arranged on the brush 6, so that the brush 6 can conveniently slide in the sliding groove 17 through the sliding block 18.

In the utility model, the pushing shaft 13 is provided with a rotating hole 20, a rotating shaft 21 is rotatably mounted in the rotating hole 20, and the rotating shaft 21 is fixedly mounted on the baffle 3, so that the pushing shaft 13 can rotate on the rotating shaft 21 through the rotating hole 20, and the pushing shaft 13 can push the hairbrush 6 to move.

According to the utility model, the mounting plate 8 is fixedly provided with the supporting plate 19, and the supporting plate 19 is fixedly arranged on the conveyor belt 2, so that the supporting plate 19 can further ensure the stability of the mounting plate 8.

The working principle of the utility model is as follows:

when the solder paste printer body 1 is used for processing a PCB 7, when the PCB 7 moves between two baffles 3, the motor 9 is started, the output end of the motor 9 drives the motor shaft 10 to rotate through the coupler, so that the motor shaft 10 drives the first bevel gear 11 to rotate, the second bevel gear 12 is driven by the first bevel gear 11 to rotate, the second bevel gear 12 drives the pushing shaft 13 to rotate, the pushing shaft 13 rotates on the rotating shaft 21 through the rotating hole 20, so that the pushing shaft 13 pushes the brush 6 to move, the brush 6 slides in the sliding groove 17 through the sliding block 18, so that the brush 6 slides on the L-shaped rod 16, the brush 6 is influenced by the sliding block 18 and can only move in the horizontal direction, so that the brush 6 pushes the sliding rod 5 to slide in the sliding hole 14, and meanwhile, the brush 6 compresses the spring 15 on the sliding rod 5, so that the spring 15 is forced to shrink, when the brush 6 moves to the maximum moving distance, the motor 9 stops rotating, and the spring 15 loses pressure, so that the spring 15 pushes the brush 6 to return to the original position, thereby cleaning the PCB 7.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a apparatus for producing for photoelectric display screen, includes tin cream printing machine body (1), tin cream printing machine body (1) is equipped with conveyer belt (2), is equipped with PCB board (7) on conveyer belt (2), its characterized in that: the conveying belt (2) is movably provided with two baffles (3), one baffle (3) is fixedly provided with two fixed blocks (4), the two fixed blocks (4) are both movably provided with slide bars (5), the two slide bars (5) are fixedly provided with the same brush (6), the brush (6) is contacted with the PCB (7), the same brush (6) is arranged between the two fixed blocks (4), the brush (6) is fixedly arranged on the baffles (3), the L-shaped rod (16) is movably arranged on the brush (6), fixed mounting has mounting panel (8) on conveyer belt (2), and fixed mounting has motor (9) on mounting panel (8), and there is motor shaft (10) output of motor (9) through shaft coupling fixed mounting, and movable mounting has on motor shaft (10) and promotes axle (13), promotes axle (13) and contacts with brush (6).

2. A production device for an electro-optical display screen according to claim 1, characterized in that: a first bevel gear (11) is fixedly mounted on the motor shaft (10), a second bevel gear (12) is fixedly mounted on the pushing shaft (13), and the first bevel gear (11) is meshed with the second bevel gear (12).

3. A production device for an electro-optical display screen according to claim 1, characterized in that: the two fixed blocks (4) are provided with slide holes (14), and the two slide bars (5) respectively penetrate through the two slide holes (14).

4. A production device for an electro-optical display screen according to claim 1, characterized in that: the two sliding rods (5) are sleeved with springs (15), one ends of the springs (15) are fixedly installed on the hairbrush (6), and the other ends of the springs (15) are fixedly installed on the fixing blocks (4).

5. A production device for an electro-optical display screen according to claim 1, characterized in that: a sliding groove (17) is formed in the L-shaped rod (16), a sliding block (18) is arranged in the sliding groove (17) in a sliding mode, and the sliding block (18) is fixedly arranged on the hairbrush (6).

6. A production device for an electro-optical display screen according to claim 1, characterized in that: the push shaft (13) is provided with a rotating hole (20), a rotating shaft (21) is rotatably mounted in the rotating hole (20), and the rotating shaft (21) is fixedly mounted on the baffle (3).

7. A production device for an electro-optical display screen according to claim 1, characterized in that: the mounting plate (8) is fixedly provided with a supporting plate (19), and the supporting plate (19) is fixedly arranged on the conveying belt (2).