Solder mask painting device for circuit board

Abstract

The utility model discloses a circuit board solder mask painting device, which relates to the technical field of solder mask painting devices, and comprises a support table, a control frame is fixedly mounted on the upper surface of the support table, two groups of toothed plates are slidably connected in the control frame, a fixed shaft is rotatably connected in the control frame, and two groups of toothed plates are rotatably connected in the fixed shaft. Gears are fixedly installed on the outer surfaces of the fixing shafts, supporting frames are fixedly installed on one sides of the two sets of toothed plates, sliding grooves are formed in the supporting frames, fixing blocks are slidably connected into the sliding grooves, fixing rods are fixedly installed on one sides of the fixing blocks, and through cooperation of the toothed plates, the gears and clamping plates, the fixing rods are fixedly installed on the clamping plates. The circuit board can be fixed through the clamping plates, the toothed plate can be driven to rotate through the gear after the circuit board is fixed, the toothed plate can control the upper clamping plate and the lower clamping plate to be alternately replaced, the function of alternately turning over and spraying the circuit board is achieved, and the efficiency of circuit board solder mask spraying can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of solder mask coating devices, in particular to a solder mask coating device for a circuit board. Background Art

[0002] A circuit board is a carrier that fixes and connects circuit components. Multiple groups of electronic components installed on the circuit board can coordinate the normal operation of electronic equipment. Its internal structure mainly includes structures such as a substrate, a conductive layer, and a silk screen layer. It can connect the circuits in electronic equipment and is widely used in various electronic devices.

[0003] During the production process of circuit boards, it is necessary to spray solder resist paint on the outside of the circuit boards. The solder resist paint can protect the copper circuits on the circuit boards and can protect the circuits from oxidation after direct contact with the air. When spraying, the staff needs to place the circuit boards on a fixed frame, and the components that drive the fixed frame to move can drive the circuit boards to move under the spraying components. The circuit boards can be sprayed through the spraying components. When spraying, it is necessary to spray the upper and lower surfaces of the circuit boards. After spraying one side, the staff needs to take out the circuit boards and turn them over. Since the circuit boards cannot be placed alternately, the efficiency of a single spraying is not high. In order to solve this technical problem, the utility model proposes a circuit board solder resist paint coating device. Utility Model Content

[0004] The main purpose of the utility model is to provide a circuit board solder mask coating device, which can effectively solve the problems mentioned in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A circuit board solder mask coating device comprises a support table, a control frame is fixedly mounted on the upper surface of the support table, two groups of tooth plates are slidably connected inside the control frame, a fixed shaft is rotatably connected inside the control frame, a gear is fixedly mounted on the outer surface of the fixed shaft, a support frame is fixedly mounted on one side of the two groups of tooth plates, a slide groove is provided inside the support frame, a fixed block is slidably connected inside the slide groove, a fixed rod is fixedly mounted on one side of the fixed block, a clamping plate is fixedly mounted on the outer surface of the fixed rod, and a circuit board is placed outside the clamping plate.

[0007] Preferably, a motor is installed outside the control frame, the output end of the motor is connected to one end of the fixed shaft, a spraying assembly is installed inside the control frame, and a purifier is installed outside the control frame.

[0008] Preferably, the two groups of tooth plates are symmetrically arranged up and down, the teeth of the tooth plates are meshed with the teeth of the gears, and two groups of symmetrical limit plates are fixedly installed on the inner wall of the control frame, and the outer surface of the limit plate is slidably connected to the inside of the tooth plate.

[0009] Preferably, a plurality of fixing holes are provided inside the slide groove, an insert rod is slidably connected inside the fixing hole, and an outer surface of the insert rod is slidably connected to the inside of the fixing block.

[0010] Preferably, a spring is sleeved on the outside of the insertion rod, one end of the spring is connected to the upper surface of the fixing block, one end of the insertion rod is connected to a baffle, and the other end of the spring is connected to the lower surface of the baffle.

[0011] Preferably, a connecting plate is fixedly mounted on the outer surface of the baffle, and the outer surface of the fixing rod is slidably connected to the inside of the supporting frame.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model cooperates between the toothed plate, the gear and the clamping plate, and when in use, the circuit board is placed between the clamping plates for fixing. The clamping plate can fix the circuit board, and after the circuit board is fixed, the gear can drive the toothed plate to rotate, and the toothed plate can control the upper and lower groups of clamping plates to be replaced alternately. When one group of circuit boards is sprayed, the circuit board is controlled to move to the exit position, and at this time, the other group of circuit boards will move to the bottom of the spraying component, and the staff can turn over the circuit boards at the exit position, thereby reducing the time consumed in turning over, realizing the function of alternately turning over and spraying the circuit boards, which is beneficial to improving the efficiency of spraying solder mask on the circuit boards.

[0014] The utility model provides components such as springs and insertion rods, through which the position of the clamping plate can be adjusted, and circuit boards of different sizes can be fixed. When adjusting the position, the position of the fixing block can be adjusted by pulling the insertion rod, and under the action of the spring, the insertion rod will automatically enter the inside of the fixing hole to fix the position of the fixing block, which is very convenient for adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a circuit board solder mask coating device according to the utility model;

[0016] Figure 2 The utility model is a circuit board solder mask coating device Figure 1 Middle partial enlarged view Figure A;

[0017] Figure 3 This is a schematic diagram of a control frame component of a circuit board solder mask coating device of the utility model;

[0018] Figure 4 This is a schematic diagram of a support frame component of a circuit board solder mask coating device according to the utility model;

[0019] Figure 5 The utility model is a circuit board solder mask coating device Figure 4 The enlarged part of Figure B.

[0020] In the figure: 1. support platform; 2. control frame; 3. gear plate; 4. fixed shaft; 5. gear; 6. support frame; 7. slide groove; 8. fixed block; 9. fixed rod; 10. clamping plate; 11. circuit board; 12. motor; 13. spray assembly; 14. purifier; 15. limit plate; 16. fixing hole; 17. plug rod; 18. spring; 19. baffle; 20. connecting plate. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figure 1-5 As shown, a circuit board solder mask coating device includes a support table 1, a control frame 2 is fixedly installed on the upper surface of the support table 1, two groups of tooth plates 3 are slidably connected inside the control frame 2, the two groups of tooth plates 3 are symmetrically arranged up and down, the two groups of tooth plates 3 can move in opposite directions, and a spraying assembly 13 is installed inside the control frame 2. When one group of tooth plates 3 moves to the entrance position of the device, the other group of tooth plates 3 will move to the position of the spraying assembly 13 inside the device.

[0023] Two sets of symmetrical limit plates 15 are fixedly installed on the inner wall of the control frame 2. The outer surface of the limit plate 15 is slidably connected to the inside of the tooth plate 3. The movement of the tooth plate 3 can be limited by the limit plate 15, which can ensure that the tooth plate 3 will not shake when moving, thereby increasing the stability of the tooth plate 3 when moving.

[0024] The control frame 2 is internally rotatably connected with a fixed shaft 4, and a gear 5 is fixedly installed on the outer surface of the fixed shaft 4. The gear teeth of the gear plate 3 mesh with the gear teeth of the gear 5. When the gear 5 rotates, it can drive the upper and lower groups of gear plates 3 to move separately, and can realize the alternating movement of the upper and lower groups of gear plates 3. An electric motor 12 is installed on the outside of the control frame 2, and the output end of the motor 12 is connected to one end of the fixed shaft 4. The fixed shaft 4 can be controlled to rotate by the motor 12, and the gear 5 can be further controlled to drive the gear plate 3 to move.

[0025] A support frame 6 is fixedly installed on one side of the two sets of tooth plates 3. The support frame 6 is connected to the tooth plate 3 by fixing bolts, which is convenient for disassembly and maintenance. A slide groove 7 is opened inside the support frame 6, and a fixed block 8 is slidably connected inside the slide groove 7. A clamping plate is installed inside the slide groove 7, and the upper part of the fixed block 8 can be limited by the clamping plate, which can ensure that the fixed block 8 can only move straight left and right inside the slide groove 7.

[0026] A plurality of fixing holes 16 are provided inside the slide groove 7, and an insert rod 17 is slidably connected inside the fixing hole 16. The outer surface of the insert rod 17 is slidably connected to the inside of the fixing block 8. After the insert rod 17 is connected to the fixing hole 16, the position of the fixing block 8 can be fixed, and the fixing block 8 will not move inside the slide groove 7.

[0027] A spring 18 is sleeved on the outside of the insertion rod 17, one end of the spring 18 is connected to the upper surface of the fixing block 8, one end of the insertion rod 17 is connected to a baffle 19, and the other end of the spring 18 is connected to the lower surface of the baffle 19. The spring 18 can exert downward pressure on the insertion rod 17, and can control the tightness when the insertion rod 17 is connected to the fixing hole 16, thereby ensuring the stability of the fixing block 8 when it is fixed.

[0028] A fixing rod 9 is fixedly installed on one side of the fixing block 8, and the outer surface of the fixing rod 9 is slidably connected to the inside of the support frame 6. One end of the fixing rod 9 is fixed by the fixing block 8, and the middle position of the fixing rod 9 is supported by the support frame 6. The fixing rod 9 can be stably supported through the cooperation of the fixing block 8 and the support frame 6, thereby ensuring the stability of the fixing rod 9 during support.

[0029] A clamping plate 10 is fixedly installed on the outer surface of the fixing rod 9, and a circuit board 11 is placed outside the clamping plate 10. The clamping plate 10 can be fixed by the fixing rod 9, and the clamping plate 10 can support the circuit board 11. When spraying, the circuit board 11 is placed inside the clamping plate 10, and the clamping plate 10 can be further driven to move through the tooth plate 3.

[0030] A connecting plate 20 is fixedly installed on the outer surface of the baffle 19. The baffles 19 on both sides can be controlled to move synchronously through the provided connecting rod. The positions of two groups of plug rods 17 can be adjusted at one time, which is very convenient to use.

[0031] A purifier 14 is installed outside the control frame 2. The purifier 14 can absorb harmful gases generated during the spraying process and protect nearby workers.

[0032] When in use, the position of the fixing block 8 is first adjusted. The distance between the two groups of clamping plates 10 can be adjusted according to the size of the circuit board. Pulling the insertion rod 17 can control the movement of the fixing block 8 inside the slide groove 7. Under the action of the spring 18, the insertion rod 17 will automatically enter the inside of the fixing hole 16 to fix the position of the fixing block 8. The rotation of the fixing shaft 4 is controlled by the motor 12. The fixing shaft 4 can drive the two groups of tooth plates 3 to move in opposite directions through the gear 5. When one group of circuit boards is turned over, the other group of circuit boards can enter the bottom of the spraying assembly 13 for spraying under the action of the tooth plate 3. At this time, the two groups of circuit boards can be turned over alternately.

[0033] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A circuit board solder mask coating device, comprising a support platform (1), characterized in that: A control frame (2) is fixedly mounted on the upper surface of the support platform (1), two groups of tooth plates (3) are slidably connected inside the control frame (2), a fixed shaft (4) is rotatably connected inside the control frame (2), a gear (5) is fixedly mounted on the outer surface of the fixed shaft (4), a support frame (6) is fixedly mounted on one side of the two groups of tooth plates (3), a slide groove (7) is provided inside the support frame (6), a fixed block (8) is slidably connected inside the slide groove (7), a fixed rod (9) is fixedly mounted on one side of the fixed block (8), a clamping plate (10) is fixedly mounted on the outer surface of the fixed rod (9), and a circuit board (11) is placed outside the clamping plate (10).

2. A circuit board solder mask coating device according to claim 1, characterized in that: An electric motor (12) is installed outside the control frame (2), the output end of the electric motor (12) is connected to one end of the fixed shaft (4), a spraying assembly (13) is installed inside the control frame (2), and a purifier (14) is installed outside the control frame (2).

3. A circuit board solder mask coating device according to claim 1, characterized in that: The two groups of toothed plates (3) are symmetrically arranged up and down, the gear teeth of the toothed plates (3) mesh with the gear teeth of the gear (5), and two groups of symmetrical limit plates (15) are fixedly mounted on the inner wall of the control frame (2), and the outer surface of the limit plate (15) is slidably connected to the inside of the toothed plate (3).

4. A circuit board solder mask coating device according to claim 1, characterized in that: A plurality of fixing holes (16) are provided inside the slide groove (7), an insert rod (17) is slidably connected inside the fixing hole (16), and an outer surface of the insert rod (17) is slidably connected to the inside of the fixing block (8).

5. A circuit board solder mask coating device according to claim 4, characterized in that: The outside of the insertion rod (17) is covered with a spring (18), one end of the spring (18) is connected to the upper surface of the fixed block (8), one end of the insertion rod (17) is connected to a baffle (19), and the other end of the spring (18) is connected to the lower surface of the baffle (19).

6. A circuit board solder mask coating device according to claim 5, characterized in that: A connecting plate (20) is fixedly mounted on the outer surface of the baffle (19), and the outer surface of the fixing rod (9) is slidably connected to the inside of the supporting frame (6).

Images