Device for transferring PCBA (Printed Circuit Board Assembly) board

Abstract

The utility model relates to the technical field of PCB assembly production equipment, and discloses a PCBA board transfer device which comprises a supporting frame, the left side of the supporting frame is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a ball screw, the top of the ball screw is fixedly connected with a fixing plate, and the top of the fixing plate is fixedly connected with a rotating shaft. A clamping frame is fixedly connected to the top of the fixing plate, a first inductor is fixedly connected to the right side of the clamping frame, a conveying belt is arranged on the right side of the supporting frame, the top of the outer wall of the conveying belt is arranged on the right side of the clamping frame, and raw materials are arranged on the top of the conveying belt; fixing columns are fixedly connected to the front side and the rear side of the top of the supporting frame. According to the utility model, the servo motor is adopted as a core driving force source and is matched with the precise ball screw to realize linear reciprocating motion, so that precise and stable power output can be provided, and the sensor is arranged to accurately sense the position of the clamping frame, so that the conveying belt conveys raw materials to the clamping frame.

Description

Technical Field

[0001] This invention relates to the field of PCB assembly production equipment technology, and particularly to a device for transferring PCBA boards. Background Technology

[0002] With the rapid development of the electronics industry, the production efficiency and quality requirements of PCBA are constantly increasing. Traditional manual handling or semi-automated PCBA board transfer can no longer meet the high-paced demands of modern production. Although the automated equipment on the market can improve production efficiency, it still faces many challenges while ensuring accurate transfer.

[0003] Currently, the commonly used PCBA board transfer methods mainly include two modes: robotic arm gripping and conveyor belt conveying. The former relies on a complex robotic arm to achieve the function of fixed-point picking and placement, while the latter completes batch transportation operations through a continuously moving belt. Although both methods can basically achieve the expected goals, they both have certain limitations. For example, robotic arms are expensive and have greater difficulty in positioning small and lightweight PCBAs, while conveyor belts, although cheaper, are prone to displacement or even damage when handling products with complex shapes or heavy weights.

[0004] These existing PCBA transfer methods suffer from poor stability and limited applicability, especially when facing highly diverse and personalized electronic product manufacturing environments. Furthermore, the lack of intelligent design leads to lengthy adjustments and adaptations to new production lines, further limiting their application scope and development potential. Therefore, a device for transferring PCBA boards is proposed to address these issues. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a device for transferring PCBA boards, aiming to improve the problems of poor stability and limited applicability of existing PCBA transfer methods.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a device for transferring PCBA boards, comprising a support frame, a servo motor fixedly connected to the left side of the support frame, a ball screw fixedly connected to the output end of the servo motor, a fixed plate fixedly connected to the top of the ball screw, a clamping frame fixedly connected to the top of the fixed plate, a sensor fixedly connected to the right side of the clamping frame, a conveyor belt disposed on the right side of the support frame, the top of the outer wall of the conveyor belt disposed on the right side of the clamping frame, raw materials disposed on the top of the conveyor belt, fixed columns fixedly connected to the front and rear sides of the top of the support frame, L-shaped connecting plates fixedly connected to the top of the two fixed columns, sensors fixedly connected to the right sides of the two L-shaped connecting plates, and a clamping mechanism disposed on the top of the clamping frame.

[0007] Through the above technical solution, the sensor on the right side of the clamping frame and the sensor on the right side of the L-shaped connecting plate can accurately sense the position of the clamping frame, thereby triggering the conveyor belt to move, reducing manual intervention and improving production efficiency. The combination of servo motor and ball screw provides stable and precise power output, which can ensure the smooth movement of the fixed plate and the clamping frame, helping to improve the efficiency of PCBA board transfer and reduce the defect rate caused by shaking or unstable movement.

[0008] As a further description of the above technical solution:

[0009] The clamping mechanism includes two sliding columns, the outer walls of which are slidably connected to the inner side of the clamping frame. A clamping plate is fixedly connected to an adjacent side of the two sliding columns. An elastic pad is fixedly connected to an adjacent side of the two clamping plates. A spring 1 is fixedly connected to the left side of the outer wall of each of the two clamping plates. The opposite ends of the two spring 1 are fixedly connected to the left side of the inner wall of the clamping frame. A spring 2 is fixedly connected to the right side of the outer wall of each of the two clamping plates. The opposite ends of the two spring 2 are fixedly connected to the right side of the inner wall of the clamping frame.

[0010] Through the above technical solution, the arrangement of springs one and two enables the clamping mechanism to automatically adjust the position of the clamping plates according to the different thicknesses of PCBA boards. When facing a wider board, the springs are compressed, increasing the distance between the clamping plates; when facing a narrower board, the spring compression is reduced, and the distance between the clamping plates is correspondingly reduced. This ensures that the clamping force is moderate, neither too loose causing the PCBA board to fall off, nor too tight damaging the board. The sliding column slides inside the clamping frame, providing stable guidance for the movement of the clamping plates.

[0011] As a further description of the above technical solution:

[0012] The outer wall of the fixed plate is fixedly connected to sliders on both the front and rear sides, and the inner wall of the support frame is fixedly connected to slide grooves on both the front and rear sides. The outer wall of the slider is slidably connected to the inner side of the slide groove.

[0013] The above technical solution provides a clear track and guide for the movement of the fixed plate by sliding the slider in the groove. When the servo motor drives the ball screw, the fixed plate can move smoothly along the predetermined path, avoiding the impact of shaking or offset on the transfer accuracy of the PCBA board.

[0014] As a further description of the above technical solution:

[0015] A control panel is fixedly connected to the outer wall of the support frame, and control buttons are installed on the outer wall of the control panel.

[0016] The above technical solution allows operators to easily start and stop the equipment and adjust its operating parameters without complicated procedures, greatly improving the ease of use of the equipment.

[0017] As a further description of the above technical solution:

[0018] Limiting plates are fixedly connected to the outer walls of the two sliding columns, and adjacent sides of the two limiting plates are slidably connected to the outer wall of the clamping frame.

[0019] Through the above technical solution, the limiting plate can limit the sliding range of the sliding column on the clamping frame and prevent the sliding column of the clamping plate from moving.

[0020] As a further description of the above technical solution:

[0021] Mounting plates are fixedly connected to the front and rear sides of the outer wall of the clamping frame, and the mounting plates and the fixing plates are connected by bolts.

[0022] The above technical solution involves connecting the mounting plate and the fixing plate with bolts. This connection method is simple and reliable, facilitating the installation and disassembly of the clamp. During equipment maintenance, repair, or replacement of the clamp, it can be quickly removed from the fixing plate, improving work efficiency.

[0023] As a further description of the above technical solution:

[0024] The top of the support frame is fixedly connected to a fixing bracket, and the outer wall of the ball screw is rotatably connected to the inner side of the fixing bracket.

[0025] The above technical solution involves using a mounting bracket to fix the servo motor.

[0026] As a further description of the above technical solution:

[0027] The top of the support frame is fixedly connected to the second fixing frame, and the outer wall of the ball screw is rotatably connected to the inner side of the second fixing frame.

[0028] Through the above technical solution, the second fixed bracket provides an additional support point for the ball screw, enhancing the stability of the ball screw during operation.

[0029] This utility model has the following beneficial effects:

[0030] 1. In this utility model, a servo motor is used as the core driving force source, which is combined with a precision ball screw to achieve linear reciprocating motion. It can provide accurate and stable power output. The sensor can accurately sense the position of the clamping frame, so that the conveyor belt transports the raw materials to the clamping frame, thereby improving the accuracy and automation of PCBA board transfer.

[0031] 2. In this utility model, the position of the clamping plate can be automatically adjusted according to the size of the board by spring one and spring two, so as to ensure that the clamping force is moderate. It will not be too loose and cause the PCBA board to fall off, nor too tight and damage the board. At the same time, the elastic pad on the clamping plate can effectively avoid damage caused by uneven pressure. Attached Figure Description

[0032] Figure 1 This is a three-dimensional schematic diagram of a device for transferring PCBA boards according to the present invention.

[0033] Figure 2 This is an exploded view of a device for transferring PCBA boards according to the present invention.

[0034] Figure 3 This is a top view of a device for transferring PCBA boards according to the present invention.

[0035] Figure 4 This is a front view of a device for transferring PCBA boards according to the present invention.

[0036] Figure 5 This is a schematic diagram of the clamping mechanism of a device for transferring PCBA boards proposed in this utility model.

[0037] Legend:

[0038] 1. Support frame; 2. Clamping mechanism; 201. Sliding column; 202. Clamping plate; 203. Spring 1; 204. Spring 2; 205. Elastic pad; 3. Servo motor; 4. Ball screw; 5. Fixing plate; 6. Clamping frame; 7. Sensor 1; 8. Conveyor belt; 9. Raw material; 10. Fixing column; 11. L-shaped connecting plate; 12. Sensor 2; 13. Slider; 14. Slide groove; 15. Fixing frame 1; 16. Fixing frame 2; 17. Mounting plate; 18. Bolt; 19. Control panel; 20. Control button; 21. Limit plate. Detailed Implementation

[0039] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0040] See attached document Figure 1 Appendix Figure 2 and attached Figure 3This utility model provides an embodiment of a device for transferring PCBA boards, including a support frame 1 as the main structure, providing stable support for various components. Fixing bracket 15 and fixing bracket 2 16 ensure the stable rotation of the ball screw 4, improving the overall reliability of the device. A servo motor 3 is fixedly connected to the left side of the support frame 1, and the output end of the servo motor 3 is fixedly connected to the ball screw 4. A fixing plate 5 is fixedly connected to the top of the ball screw 4, and a clamping frame 6 is fixedly connected to the top of the fixing plate 5. A sensor 7 is fixedly connected to the right side of the clamping frame 6. A conveyor belt 8 is arranged on the right side of the support frame 1, with the top of the outer wall of the conveyor belt 8 located on the right side of the clamping frame 6. Raw material 9 is arranged on the top of the conveyor belt 8. The top front and rear sides of the support frame 1 are fixedly connected to... There are two fixed columns 10, and L-shaped connecting plates 11 are fixedly connected to the top of the two fixed columns 10. Sensors 12 are fixedly connected to the right side of the two L-shaped connecting plates 11. The system can automatically transfer the PCBA board from the conveyor belt 8 to the clamping frame 6 and transport it to the next process station, reducing manual intervention and improving the automation level of production. The clamping frame 6 is equipped with a clamping mechanism 2 on its top. A control panel 19 is fixedly connected to the outer wall of the support frame 1, and control buttons 20 are installed on the outer wall of the control panel 19. A first fixed frame 15 is fixedly connected to the top of the support frame 1, and the outer wall of the ball screw 4 is rotatably connected to the inner side of the first fixed frame 15. A second fixed frame 16 is fixedly connected to the top of the support frame 1, and the outer wall of the ball screw 4 is rotatably connected to the inner side of the second fixed frame 16.

[0041] Specifically, sensor 7 on the right side of clamping frame 6 and sensor 12 on the right side of L-shaped connecting plate 11 can accurately sense the position of clamping frame 6, ensuring the positioning accuracy of the device during operation, thereby improving the accuracy of PCBA board transfer. Servo motor 3 drives ball screw 4 to perform linear reciprocating motion, providing stable power output to the device, ensuring the smooth movement of fixing plate 5 and clamping frame 6, and realizing an efficient and stable PCBA board transfer process. The device can be started by the control button 20 on the control panel 19 on the outer wall of the support frame 1. The operation is simple and convenient, improving production efficiency. Fixing frame 15 and fixing frame 2 16 ensure the stable rotation of ball screw 4, improving the overall reliability of the device. The model of servo motor 3 is SMA-PUC02D.

[0042] See attached document Figure 1 and attached Figure 5The clamping mechanism 2 includes two sliding pillars 201. The outer walls of the two sliding pillars 201 are slidably connected to the inner side of the clamping frame 6. A clamping plate 202 is fixedly connected to an adjacent side of the two sliding pillars 201. An elastic pad 205 is fixedly connected to an adjacent side of the two clamping plates 202. A spring 203 is fixedly connected to the left side of the outer wall of the two clamping plates 202. The far ends of the two springs 203 are fixedly connected to the left side of the inner wall of the clamping frame 6. An elastic pad 205 is fixedly connected to the right side of the outer wall of the two clamping plates 202. There are two springs 204. The ends of the two springs 204 that are far apart are fixedly connected to the right side of the inner wall of the clamping frame 6. Through the automatic adjustment of the springs, the clamping force is ensured to be moderate. It is neither too loose, which would cause the PCBA board to fall off and affect production efficiency and quality, nor too tight, which would damage the board and reduce production costs. The outer walls of the two sliding pillars 201 are fixedly connected to limit plates 21. The adjacent sides of the two limit plates 21 are slidably connected to the outer wall of the clamping frame 6, which limits the sliding range of the sliding pillars 201 on the clamping frame 6.

[0043] Specifically, spring 1 203 and spring 2 204 can automatically adjust the position of clamping plate 202 according to PCBA boards of different thicknesses, so that the device can adapt to PCBA boards of various specifications, improving the versatility and flexibility of the device. The elastic pad 205 on clamping plate 202 plays a buffering role during clamping, which can effectively protect PCBA boards from damage caused by hard contact and improve the yield of PCBA boards.

[0044] See attached document Figure 1 and attached Figure 3 The front and rear sides of the outer wall of the fixed plate 5 are fixedly connected to sliders 13, and the front and rear sides of the inner wall of the support frame 1 are fixedly connected to slide grooves 14. The outer wall of the slider 13 is slidably connected to the inner side of the slide groove 14. The front and rear sides of the outer wall of the clamping frame 6 are fixedly connected to mounting plates 17. The mounting plates 17 and the fixed plate 5 are connected by bolts 18, which makes it easy to replace different types of clamping frames 6 according to different production needs to adapt to different specifications of PCBA boards, improve the versatility of the equipment, and at the same time ensure that the connection between the clamping frame 6 and the fixed plate 5 is firm and reliable.

[0045] Specifically, the slider 13 slides within the groove 14, providing stable guidance for the movement of the fixed plate 5. During the process of the servo motor 3 driving the ball screw 4 to move, thereby moving the fixed plate 5, the cooperation between the slider 13 and the groove 14 ensures that the fixed plate 5 always moves along a predetermined straight trajectory, avoiding the impact of shaking or offset on the transfer accuracy of the PCBA board. This stable movement helps improve the reliability of the entire device and reduces equipment failures and maintenance costs caused by unstable movement. The mounting plate 17 and the fixed plate 5 are connected by bolts 18. This connection method is simple and reliable, facilitating the installation and disassembly of the clamping frame 6. When maintaining, repairing, or replacing the clamping frame 6, it can be quickly removed from the fixed plate 5, improving work efficiency.

[0046] Working Principle: First, start the device via control button 20 on control panel 19. Servo motor 3 then starts running. After servo motor 3 starts running, its output drives ball screw 4 in linear reciprocating motion. As ball screw 4 moves, the top fixed plate 5 moves accordingly, which in turn moves the clamping frame 6. When clamping frame 6 moves to the appropriate position, sensor 7 on its right side and sensor 12 on the right side of L-shaped connecting plate 11 touch. At this time, conveyor belt 8 transports raw material 9 onto clamping frame 6. Then, servo motor 3 continues to drive ball screw 4, causing clamping frame 6, holding the PCBA board, to move to the next process station. When the PCBA board is conveyed from right to left by conveyor belt 8, it contacts the two clamping plates 202. As the PCBA board continues to move, the left clamping plate 202 is pressured, causing the connected sliding column 201 to slide inside clamping frame 6, simultaneously compressing the left spring 203. As the left spring 203 contracts, the right spring 204, which was initially in a tighter state, begins to unfold as the left clamping plate 202 moves, pushing the right clamping plate 202 to the left. Thus, the two clamping plates 202 remain parallel under the action of springs 203 and 204, gradually approaching each other to finally clamp the PCBA board. When dealing with PCBA boards of different thicknesses, the elasticity of springs 203 and 204 allows them to automatically adjust the position of the clamping plates 202 according to the board's thickness. If the PCBA board is thicker, the springs on both sides are compressed more, and the distance between the clamping plates 202 increases accordingly to accommodate the thicker board. If the PCBA board is thinner, the spring compression decreases, and the distance between the clamping plates 202 decreases accordingly. In this way, the clamping force is ensured to be moderate, neither too loose causing the PCBA board to fall off nor too tight damaging the board.

[0047] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A device for transferring PCBA boards, comprising a support frame (1), characterized in that: The left side of the support frame (1) is fixedly connected with a servo motor (3), the output end of the servo motor (3) is fixedly connected with a ball screw (4), the top of the ball screw (4) is fixedly connected with a fixed plate (5), the top of the fixed plate (5) is fixedly connected with a clamping frame (6), the right side of the clamping frame (6) is fixedly connected with an inductor (7), the right side of the support frame (1) is provided with a conveyor belt (8), the outer wall top of the conveyor belt (8) is arranged on the right side of the clamping frame (6), the top of the conveyor belt (8) is provided with raw materials (9), the top of the support frame (1) is fixedly connected with a fixed column (10), the top of the two fixed columns (10) is fixedly connected with an L-shaped connecting plate (11), the right side of the two L-shaped connecting plates (11) is fixedly connected with an inductor (12), and the top of the clamping frame (6) is provided with a clamping mechanism (2).

2. The device for transferring a PCBA board according to claim 1, wherein: The clamping mechanism (2) comprises two slide columns (201), the outer walls of the two slide columns (201) are slidably connected to the inner side of the clamping frame (6), the adjacent sides of the two slide columns (201) are fixedly connected with clamping plates (202), the adjacent sides of the two clamping plates (202) are fixedly connected with elastic pads (205), the left sides of the outer walls of the two clamping plates (202) are fixedly connected with springs (203), the distal ends of the two springs (203) are fixedly connected to the left inner wall of the clamping frame (6), and the right sides of the outer walls of the two clamping plates (202) are fixedly connected with springs (204), the distal ends of the two springs (204) are fixedly connected to the right inner wall of the clamping frame (6).

3. The device for transferring a PCBA board of claim 1, wherein: The outer walls of the fixed plate (5) are fixedly connected with sliding blocks (13) on the front and rear sides, the inner walls of the support frame (1) are fixedly connected with sliding grooves (14) on the front and rear sides, and the outer walls of the sliding blocks (13) are slidably connected to the inner sides of the sliding grooves (14).

4. The apparatus for transferring a PCBA board of claim 1, wherein: The outer wall of the support frame (1) is fixedly connected with a control panel (19), and the outer wall of the control panel (19) is provided with a control button (20).

5. The apparatus for transferring a PCBA board of claim 2, wherein: The outer walls of the two slide columns (201) are fixedly connected with limiting plates (21), and the adjacent sides of the two limiting plates (21) are slidably connected to the outer wall of the clamping frame (6).

6. The apparatus for transferring a PCBA board of claim 1, wherein: The outer walls of the clamping frame (6) are fixedly connected with mounting plates (17) on the front and rear sides, and the mounting plates (17) and the fixed plate (5) are connected through bolts (18).

7. The apparatus for transferring a PCBA board of claim 1, wherein: The top of the support frame (1) is fixedly connected with a fixed frame (15), and the outer wall of the ball screw (4) is rotatably connected to the inner side of the fixed frame (15).

8. The apparatus for transferring a PCBA board of claim 1, wherein: The top of the support frame (1) is fixedly connected with a fixed frame (16), and the outer wall of the ball screw (4) is rotatably connected to the inner side of the fixed frame (16).

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