Multi-station gluing device for PCB (Printed Circuit Board)

Abstract

The invention belongs to the technical field of electricity testing unmanned aerial vehicle generation, in particular to a multi-station gluing device for a PCB, and provides the following scheme for solving the problems in the prior art: the multi-station gluing device comprises a base, the top of the base is provided with a clamping mechanism, and the clamping mechanism comprises placing grooves uniformly formed in the top of the base; a placing block is fixedly connected between the inner walls of the bottoms of the two sides of the placing groove, extrusion grooves aligned with the placing block are evenly formed in the base, and moving grooves communicating with the extrusion grooves and the placing groove are evenly formed in the base. The PCB is placed in the placement groove through the arranged extrusion frame, so that the open groove in the extrusion frame abuts against the PCB, meanwhile, the PCB is extruded and adsorbed to the suction cup, a third motor is started, the third motor drives a third lead screw to rotate, the third lead screw drives a lifting block to move, the lifting block is separated from the extrusion block, a first spring drives the extrusion frame to move, and the PCB is extruded and adsorbed to the suction cup. And the extrusion frame drives the open groove to move, so that the open groove clamps the PCB.

Description

Technical Field

[0001] This invention relates to the field of PCB board coating equipment technology, and more particularly to a multi-station coating equipment for PCB boards. Background Technology

[0002] PCB board coating is a key process in electronic manufacturing. Its core purpose is to achieve effects such as protection, fixation, insulation, thermal conductivity and functional enhancement by applying specific adhesives to the PCB surface or components.

[0003] A search revealed a Chinese invention patent with publication number CN111132467A entitled "A Multi-Station Adhesive Coating and Film Applying System for PCB Circuit Boards." This patented device involves sequentially positioning multiple PCB circuit boards at the same loading position on multiple workstations. A first adhesive coating mechanism applies adhesive to a first position on the PCB circuit board, a next film applying mechanism applies film to the first position, a next adhesive coating mechanism applies adhesive to a second position on the PCB circuit board, and a next film applying mechanism applies film to the second position on the PCB circuit board.

[0004] However, the patented device may shift due to contact or even collision between the PCB circuit board and the device during the adhesive application process, resulting in uneven adhesive distribution or localized missing adhesive, which reduces the overall impact and vibration resistance of the PCB circuit board and affects the adhesive application quality of the PCB circuit board. Summary of the Invention

[0005] Based on the technical problems existing in the prior art, the present invention proposes a multi-station adhesive coating device for PCB circuit boards.

[0006] This invention proposes a multi-station adhesive coating device for PCB circuit boards, comprising a base, a clamping mechanism on the top of the base, the clamping mechanism including a placement groove evenly formed on the top of the base, a placement block fixedly connected between the inner walls of the bottom of the two sides of the placement groove, an extrusion groove evenly formed inside the base aligned with the placement block, a moving groove evenly formed inside the base communicating with the extrusion groove and the placement groove, an extrusion frame slidably connected between the inner walls of the two sides of the moving groove, one end of the extrusion frame extending into the interior of the extrusion groove, the other end of the extrusion frame extending into the interior of the placement groove, and a stepped groove evenly formed on the top of the extrusion frame located inside the placement groove.

[0007] Preferably, a spring 1 located inside the moving groove is fixedly connected between the inner side wall of the moving groove and the inner side wall of the extrusion frame. A motor 3 aligned with the extrusion groove is uniformly fixedly connected to the bottom of the base. A lead screw 3 is fixedly connected to the output shaft of the motor 3. The other end of the lead screw 3 is rotatably connected to the bottom of the placement block.

[0008] Preferably, a lifting block is threadedly connected to the circumferential side of the lead screw three, and a limiting post aligned with the lifting block is uniformly fixed between the bottom of the placement block and the bottom inner wall of the extrusion groove. The circumferential side of the limiting post is slidably connected to the inside of the lifting block, and an extrusion block aligned with the lifting block is fixedly connected to the side of the extrusion frame. The other end of the extrusion block abuts against the side of the lifting block.

[0009] Preferably, the placement block has a lifting groove inside, a circular ring plate is slidably connected to the bottom inner wall of the circumferential side of the lifting groove, a lifting column is fixedly connected to the inner wall of the circumferential side of the circular ring plate, the other end of the lifting column extends to the top of the placement block, a suction cup is fixedly connected to the top of the lifting column, and a spring 2 aligned with the lifting column is fixedly connected between the top of the circular ring plate and the top inner wall of the lifting groove.

[0010] Preferably, a fixing frame is fixedly connected to both sides of the base, a top block is fixedly connected to the top side of the fixing frame, a sliding groove is provided between the top and bottom of the top block, a motor is fixedly connected to the outer side wall of the sliding groove, a lead screw is fixedly connected to the output shaft of the motor, and the other end of the lead screw is rotatably connected to the side of the top block.

[0011] Preferably, a slider is threadedly connected to the circumferential side of the lead screw, one side of the slider is slidably connected to the inner wall of the groove, a top block is fixedly connected to the bottom of the slider, a groove is provided between the top and bottom of the top block, a motor is fixedly connected to one side of the groove, the output shaft of the motor is fixedly connected to the lead screw, and the other end of the lead screw is rotatably connected to one side of the top block.

[0012] Preferably, a slider two is threadedly connected to the circumferential side of the lead screw two, a pneumatic telescopic body is fixedly connected to the bottom of the slider two, a lifting plate is fixedly connected to the bottom of the output shaft of the pneumatic telescopic body, and an applicator body aligned with the placement groove is uniformly fixedly connected to the bottom of the lifting plate.

[0013] The beneficial effects of this invention are:

[0014] The PCB circuit board is placed into the placement slot by the extrusion frame, so that the slot on the extrusion frame presses against the PCB circuit board. At the same time, the PCB circuit board is squeezed and adsorbed onto the suction cup. The third motor is started, which drives the third lead screw to rotate. The third lead screw drives the lifting block to move. The lifting block disengages from the extrusion block. The first spring drives the extrusion frame to move. The extrusion frame drives the slot to move, so that the slot clamps the PCB circuit board. This helps to prevent the PCB circuit board from contacting or even colliding with the device during the glue application process, which could cause displacement, uneven glue distribution, or local missing glue, thus reducing the overall impact and vibration resistance of the PCB circuit board and affecting the glue application quality. At the same time, the slot can make the device suitable for circuit boards of different sizes, expanding the applicability of the device. After the PCB circuit board is glued, the third motor is started. The third motor drives the lifting block to press the extrusion block. The extrusion block drives the extrusion frame to reset. The second spring drives the circular plate to move. The circular plate drives the lifting column to move. The lifting column drives the suction cup to move. The suction cup lifts the PCB circuit board out of the placement slot. This is beneficial for lifting the PCB circuit board after the glue application process is completed, making it easy for the user to remove the PCB circuit board and improving the convenience of the device. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of a multi-station adhesive coating device for PCB circuit boards proposed in this invention.

[0016] Figure 2 This is a schematic diagram of the internal structure of a multi-station adhesive coating device for PCB circuit boards proposed in this invention.

[0017] Figure 3 This is a schematic diagram of the telescopic structure of a multi-station adhesive coating device for PCB circuit boards proposed in this invention;

[0018] Figure 4 This is a schematic diagram of the bottom structure of a multi-station adhesive coating device for PCB circuit boards proposed in this invention.

[0019] In the diagram: 1-Base, 2-Fixing frame, 3-Motor 1, 4-Top block 1, 5-Lead screw 1, 6-Slide groove 1, 7-Top block 2, 8-Slide groove 2, 9-Lead screw 2, 10-Slider 1, 11-Slider 2, 12-Pneumatic telescopic device body, 13-Lifting plate, 14-Glue applicator body, 15-Placement groove, 16-Spring 1, 17-Extrusion frame, 18-Moving groove, 19-Lifting groove, 20-Lifting column, 21-Suction cup, 22-Spring 2, 23-Circular ring plate, 24-Placement block, 25-Extrusion block, 26-Extrusion groove, 27-Lifting block, 28-Limiting column, 29-Lead screw 3, 30-Motor 3, 31-Groogging. Detailed Implementation

[0020] Example, refer to Figure 1-4A multi-station adhesive applicator for PCB circuit boards includes a base 1. A clamping mechanism is provided on the top of the base 1. The clamping mechanism includes placement grooves 15 evenly opened on the top of the base 1. Placement blocks 24 are fixedly connected between the bottom inner walls of both sides of the placement grooves 15. Extrusion grooves 26 are evenly opened inside the base 1 and aligned with the placement blocks 24. Movable grooves 18 are evenly opened inside the base 1 and communicate with the extrusion grooves 26 and the placement grooves 15. An extrusion frame 17 is slidably connected between the two inner walls of the movable groove 18. One end of the extrusion frame 17 extends into the interior of the extrusion groove 26, and the other end of the extrusion frame 17 extends into the interior of the placement groove 15. The top of the extrusion frame 17 is evenly opened with stepped slots 31 located inside the placement grooves 15.

[0021] In this invention, a spring 16 located inside the moving groove 18 is fixedly connected between the inner side wall of the moving groove 18 and the inner side wall of the extrusion frame 17. A motor 30 aligned with the extrusion groove 26 is uniformly fixedly connected to the bottom of the base 1. A lead screw 29 is fixedly connected to the output shaft of the motor 30. The other end of the lead screw 29 is rotatably connected to the bottom of the placement block 24.

[0022] The circumferential side of the lead screw 29 is threaded with a lifting block 27. The bottom of the placement block 24 and the bottom inner wall of the extrusion groove 26 are evenly fixedly connected with a limiting post 28 aligned with the lifting block 27. The circumferential side of the limiting post 28 is slidably connected to the inside of the lifting block 27. The side of the extrusion frame 17 is fixedly connected with an extrusion block 25 aligned with the lifting block 27. The other end of the extrusion block 25 abuts against the side of the lifting block 27.

[0023] The placement block 24 has a lifting groove 19 inside. A circular ring plate 23 is slidably connected to the inner wall of the bottom of the circumferential side of the lifting groove 19. A lifting column 20 is fixedly connected to the inner wall of the circumferential side of the circular ring plate 23. The other end of the lifting column 20 extends to the top of the placement block 24. A suction cup 21 is fixedly connected to the top of the lifting column 20. A spring 22, which is aligned with the lifting column 20, is fixedly connected between the top of the circular ring plate 23 and the top inner wall of the lifting groove 19.

[0024] A mounting bracket 2 is fixedly connected to both sides of the base 1. A top block 4 is fixedly connected to the top side of the mounting bracket 2. A sliding groove 6 is provided between the top and bottom of the top block 4. A motor 3 is fixedly connected to the outer side wall of the sliding groove 6. A lead screw 5 is fixedly connected to the output shaft of the motor 3. The other end of the lead screw 5 is rotatably connected to the side of the top block 4.

[0025] A slider 10 is threadedly connected to the circumferential side of the lead screw 5. One side of the slider 10 is slidably connected to the inner wall of the slide groove 6. A top block 2 7 is fixedly connected to the bottom of the slider 10. A slide groove 2 8 is provided between the top and bottom of the top block 2 7. A motor 2 is fixedly connected to one side of the slide groove 2 8. A lead screw 2 9 is fixedly connected to the output shaft of the motor 2. The other end of the lead screw 2 9 is rotatably connected to one side of the top block 2 7.

[0026] The circumferential side of the lead screw 29 is threaded with a slider 21. The bottom of the slider 21 is fixedly connected to a pneumatic telescopic body 12. The bottom of the output shaft of the pneumatic telescopic body 12 is fixedly connected to a lifting plate 13. The bottom of the lifting plate 13 is uniformly fixedly connected to an adhesive applicator body 14 aligned with the placement groove 15.

[0027] In use, the PCB circuit board is placed in the placement slot 15, so that the slot 31 on the extrusion frame 17 presses against the PCB circuit board. Simultaneously, the PCB circuit board is pressed and adhered to the suction cup 21. The motor 30 is started, driving the lead screw 29 to rotate. The lead screw 29 moves the lifting block 27, disengaging it from the extrusion block 25. The spring 16 moves the extrusion frame 17, which in turn moves the slot 31, clamping the PCB circuit board. This helps prevent the PCB circuit board from contacting or colliding with the device during the adhesive application process, thus preventing displacement, uneven adhesive distribution, or localized missing adhesive, which would reduce the overall impact and vibration resistance of the PCB circuit board. The sag affects the quality of the adhesive coating on the PCB circuit board. At the same time, the slot 31 allows the device to be used for circuit boards of different sizes, expanding the applicability of the device. After the PCB circuit board is coated with adhesive, the motor 30 is started. The motor 30 drives the lifting block 27 to squeeze the squeezing block 25. The squeezing block 25 drives the squeezing frame 17 to reset. The spring 22 drives the circular plate 23 to move. The circular plate 23 drives the lifting column 20 to move. The lifting column 20 drives the suction cup 21 to move. The suction cup 21 lifts the PCB circuit board out of the placement slot 15. This is beneficial for lifting the PCB circuit board after the device has completed the adhesive coating process, making it easier for the user to remove the PCB circuit board and improving the convenience of the device.

[0028] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A multi-station adhesive applicator for PCB circuit boards, comprising a base (1), characterized in that, The base (1) is provided with a clamping mechanism at its top. The clamping mechanism includes a placement groove (15) evenly opened at the top of the base (1). A placement block (24) is fixedly connected between the bottom inner walls of both sides of the placement groove (15). An extrusion groove (26) aligned with the placement block (24) is evenly opened inside the base (1). A moving groove (18) communicating with the extrusion groove (26) and the placement groove (15) is evenly opened inside the base (1). An extrusion frame (17) is slidably connected between the inner walls of the two sides of the moving groove (18). One end of the extrusion frame (17) extends into the interior of the extrusion groove (26), and the other end of the extrusion frame (17) extends into the interior of the placement groove (15). The top of the extrusion frame (17) is evenly provided with stepped slots (31) located inside the placement groove (15).

2. The multi-station adhesive coating device for PCB circuit boards according to claim 1, characterized in that, A spring (16) located inside the moving groove (18) is fixedly connected between the inner side wall of the moving groove (18) and the inner side wall of the extrusion frame (17). A motor (30) aligned with the extrusion groove (26) is evenly fixedly connected to the bottom of the base (1). A lead screw (29) is fixedly connected to the output shaft of the motor (30). The other end of the lead screw (29) is rotatably connected to the bottom of the placement block (24).

3. The multi-station adhesive coating device for PCB circuit boards according to claim 2, characterized in that, The circumferential side of the lead screw (29) is threaded with a lifting block (27). The bottom of the placement block (24) and the bottom inner wall of the extrusion groove (26) are uniformly fixedly connected with a limiting post (28) aligned with the lifting block (27). The circumferential side of the limiting post (28) is slidably connected to the inside of the lifting block (27). The side of the extrusion frame (17) is fixedly connected with an extrusion block (25) aligned with the lifting block (27). The other end of the extrusion block (25) abuts against the side of the lifting block (27).

4. The multi-station adhesive coating device for PCB circuit boards according to claim 3, characterized in that, The placement block (24) has a lifting groove (19) inside. A circular ring plate (23) is slidably connected to the inner wall of the bottom of the circumferential side of the lifting groove (19). A lifting column (20) is fixedly connected to the inner wall of the circumferential side of the circular ring plate (23). The other end of the lifting column (20) extends to the top of the placement block (24). A suction cup (21) is fixedly connected to the top of the lifting column (20). A spring (22) is fixedly connected between the top of the circular ring plate (23) and the top inner wall of the lifting groove (19) and is aligned with the lifting column (20).

5. A multi-station adhesive coating device for PCB circuit boards according to claim 4, characterized in that, The base (1) is fixedly connected to both sides of the fixed frame (2). The top of the side of the fixed frame (2) is fixedly connected to the top block (4). A sliding groove (6) is opened between the top and bottom of the top block (4). A motor (3) is fixedly connected to the outer wall of the side of the sliding groove (6). A lead screw (5) is fixedly connected to the output shaft of the motor (3). The other end of the lead screw (5) is rotatably connected to the side of the top block (4).

6. The multi-station adhesive coating device for PCB circuit boards according to claim 5, characterized in that, The circumferential side of the lead screw (5) is threaded with a slider (10). One side of the slider (10) is slidably connected to the inner wall of the groove (6). The bottom of the slider (10) is fixedly connected to a top block (7). A groove (8) is provided between the top and bottom of the top block (7). One side of the groove (8) is fixedly connected to a motor. The output shaft of the motor is fixedly connected to a lead screw (9). The other end of the lead screw (9) is rotatably connected to one side of the top block (7).

7. A multi-station adhesive coating device for PCB circuit boards according to claim 6, characterized in that, The circumferential side of the lead screw (9) is threaded with a slider (11), the bottom of the slider (11) is fixedly connected to a pneumatic telescopic body (12), the bottom of the output shaft of the pneumatic telescopic body (12) is fixedly connected to a lifting plate (13), and the bottom of the lifting plate (13) is uniformly fixedly connected to an adhesive applicator body (14) aligned with the placement groove (15).

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