Electronic component pin bending device

Abstract

The utility model relates to the field of electronic component processing, in particular to an electronic component pin bending device. The electronic component pin bending device comprises a support, a limiting frame, guide blocks and the like, the support is located on the lowermost layer and serves as a support of the whole device, the limiting frame is fixedly connected to the top of the support, the middle of the limiting frame is designed to be hollow, and the two guide blocks of different sizes are oppositely distributed and installed on the right side of the upper portion of the limiting frame. By means of the material pushing assembly, electronic components can be automatically pushed into a cutting and bending area, automatic reset is achieved after machining is completed, it is guaranteed that each electronic component can smoothly enter a machining position, and production efficiency is improved; besides, through the cutting assembly, the height and the position of a cutting knife can be accurately controlled, accurate cutting of the pins of the electronic components is ensured, the electronic components do not need to be taken down for additional cutting treatment, the operation steps and time are reduced, and the production efficiency is further improved.

Description

A device for bending the pins of electronic components Technical Field

[0001] This utility model relates to the field of electronic component processing, and in particular to a device for bending the pins of electronic components. Background Technology

[0002] Electronic components are the basic units that make up electronic devices and circuits. They possess specific electrical characteristics and can be used individually or in combination to achieve various electronic functions. Electronic components are diverse and can be categorized into various types based on their function and application. During circuit board assembly, bending is necessary to ensure that the leads of electronic components can be correctly inserted or soldered onto the circuit board.

[0003] Patent CN211489417U discloses an electronic component pin bending machine, including a base, a support plate fixedly installed at the upper rear of the base, a horizontal plate fixedly installed at the upper front of the support plate, a bending mechanism fixedly installed at the lower end of the horizontal plate, a controller fixedly installed at the upper left of the base, and a placement plate fixedly installed at the front of the base. While this patent is applicable to electronic components of different sizes and protects them during bending, it still has some shortcomings in practical use. For example, before bending the electronic component pins, manual loading and accurate placement of the electronic components are required, ensuring the pins to be bent extend to the left side of the placement plate, increasing the complexity and labor intensity of the operation. Furthermore, only one electronic component pin can be placed and bent at a time, resulting in low production efficiency and failing to meet the needs of large-scale production. In addition, when the electronic component pin length exceeds the limit, the electronic component must be removed for additional cutting, increasing the operation steps and time, further affecting production efficiency.

[0004] Therefore, there is a particular need for a device for bending the pins of electronic components to solve the above problems. Summary of the Invention

[0005] To overcome the shortcomings of existing patents in bending electronic component leads, which require manual loading and placement, can only process one electronic component at a time, and require additional cutting when the lead length exceeds the limit, resulting in complex operation, high labor intensity, low production efficiency, and inability to meet the needs of large-scale production, this utility model provides an electronic component lead bending device.

[0006] This utility model is achieved through the following technical approach: an electronic component pin bending device, comprising a bracket, a limiting frame, guide blocks, threaded rods, nuts, a connecting frame, a motor, a bidirectional screw, a connecting plate, a top plate, a rolling assembly, and a clamping assembly. The bracket is located at the bottom layer, serving as the support for the entire device. The limiting frame is fixed to the top of the bracket, with a hollow design in its middle position. Two guide blocks of different sizes are oppositely distributed and installed on the upper right side of the limiting frame. Two threaded rods are symmetrically distributed and threadedly connected to the lower part of the limiting frame. Two nuts are symmetrically distributed and rotatably connected to the lower part of the limiting frame, and are perpendicular to the vertical... The system features a threaded connection between two aligned threaded rods. A connecting frame is rotatably connected between the bottom ends of the two threaded rods. A motor is mounted on the upper front side of the connecting frame. A bidirectional screw is fixed to the output shaft of the motor and rotatably connected to the connecting frame. Two connecting plates are distributed front and rear, threadedly connected to the outside of the bidirectional screw. A top plate is fixed to the upper part of the connecting plates. A rolling assembly is located on the front top plate. A clamping assembly is located between the upper parts of the two connecting plates. The system also includes a cutting assembly and a pushing assembly. The cutting assembly is located between the tops of the two connecting plates and above the clamping assembly. The pushing assembly is located between the limiting frame and the front connecting plate.

[0007] Furthermore, it is particularly preferred that the cutting assembly includes a first electric push rod, a cutting blade, and a bevel. The first electric push rod is mounted on the top right side of the front connecting plate, the cutting blade is fixed to the telescopic rod of the first electric push rod, and the bevel is fixed to the top right side of the rear connecting plate.

[0008] Furthermore, it is particularly preferred that the rolling assembly includes a second electric push rod and a roller, the second electric push rod being mounted on the top of the front top plate and located to the left of the first electric push rod, and the roller being fixed to the telescopic rod of the second electric push rod.

[0009] Furthermore, it is particularly preferred that the clamping assembly includes a first guide rod, a first spring, and a clamping plate. Multiple first guide rods are distributed in a U-shape, fixed to two connecting plates, and slidably connected to the upper part of the limiting frame. The first spring is sleeved on the outside of the first guide rod, and its two ends are fixedly connected to the limiting frame and the first guide rod, respectively. The two clamping plates are distributed opposite each other and fixedly connected between each pair of horizontally aligned first guide rods.

[0010] Furthermore, it is particularly preferred that the pushing assembly includes a top block, a wedge block, a second spring, an inclined block, a second guide rod, and a third spring. The top block is fixed to the upper right side of the front connecting plate, the second guide rod is fixed to the lower front side of the limiting frame, the wedge block is slidably connected to the outside of the second guide rod, the second spring is sleeved on the outside of the second guide rod, and its two ends are fixedly connected to the wedge block and the second guide rod respectively to assist the wedge block in resetting, the inclined block is slidably connected to the upper part of the wedge block, and the third spring is fixed between the inclined block and the wedge block to assist the inclined block in resetting.

[0011] Furthermore, it is particularly preferred that the right side of the top block that contacts the wedge block has a rounded corner design.

[0012] Based on the above description of the structure of this utility model, the design starting point, concept, and advantages of this utility model are as follows:

[0013] This invention utilizes a feeding assembly to automatically push electronic components into the cutting and bending area, and automatically resets them after processing, ensuring that each electronic component can smoothly enter the processing position and improving production efficiency. In addition, the cutting assembly can precisely control the height and position of the cutting blade, ensuring accurate cutting of the electronic component pins without removing the electronic components for additional cutting, reducing operation steps and time, and further improving production efficiency.

[0014] This invention, through the design of a limiting frame and guide blocks, ensures that electronic components can be accurately aligned to a predetermined position when entering the limiting frame from the feeder's outlet. Furthermore, the arc and straight surfaces of the two guide blocks ensure that all pins of the electronic components are horizontally aligned, improving the accuracy of subsequent processing. Attached Figure Description

[0015] Figure 1 is a three-dimensional structural diagram of this utility model.

[0016] Figure 2 is a three-dimensional structural diagram of the limiting frame, guide block and threaded rod of this utility model.

[0017] Figure 3 is a partial sectional view of the limiting frame, motor and bidirectional screw of this utility model.

[0018] Figure 4 is a three-dimensional structural diagram of the limiting frame, wedge block and inclined block of this utility model.

[0019] The above-mentioned figures include the following reference numerals: 1. bracket, 2. limiting frame, 3. guide block, 4. threaded rod, 5. nut, 6. connecting frame, 7. motor, 8. double screw, 9. connecting plate, 10. first electric push rod, 11. cutting blade, 12. second electric push rod, 13. roller, 14. bevel, 15. top plate, 16. first guide rod, 17. first spring, 18. clamping plate, 19. top block, 20. wedge block, 21. second spring, 22. bevel block, 23. second guide rod, 24. third spring, 25. electronic component body. Detailed Implementation

[0020] Although this invention may be described with respect to a particular application or industry, those skilled in the art will recognize its broader applicability. Those skilled in the art will understand that terms such as "above," "below," "upward," "downward," etc., are used to describe the drawings and not to indicate a limitation on the scope of the invention as defined by the appended claims. Any numerical designations such as "first" or "second" are merely illustrative and not intended to limit the scope of the invention in any way.

[0021] Example: An electronic component pin bending device, as shown in Figures 1-4, includes a bracket 1, a limiting frame 2, guide blocks 3, threaded rods 4, nuts 5, a connecting frame 6, a motor 7, a bidirectional screw 8, a connecting plate 9, a top plate 15, a rolling assembly, and a clamping assembly. The bracket 1 is located at the bottom layer, serving as the support for the entire device. The limiting frame 2 is connected to the top of the bracket 1 by welding, with a hollow design in the middle for feeding, ensuring that the electronic components can pass smoothly and enter subsequent processing steps. Two guide blocks 3 of different sizes are oppositely distributed and connected to the upper right side of the limiting frame 2 by bolts. The guide blocks 3 have arc surfaces, and the straight surface distance between the two guide blocks 3 on the adjacent (close to each other) sides is just enough to accommodate the electronic component pins. Two threaded rods 4 are symmetrically distributed and threadedly connected to the front and rear sides of the lower part of the limiting frame 2, respectively. The mother 5 is symmetrically distributed and rotatably connected to the front and rear sides of the lower part of the limiting frame 2, and threadedly connected to the vertically aligned threaded rod 4. The connecting frame 6 is rotatably connected between the bottom ends of the two threaded rods 4. The motor 7 is connected to the upper front side of the connecting frame 6 by bolts. The bidirectional screw 8 is connected to the output shaft of the motor 7 by key and rotatably connected to the connecting frame 6. The two connecting plates 9 are distributed front and rear and threadedly connected to the front and rear ends of the bidirectional screw 8. The top plate 15 is connected to the upper part of the connecting plate 9 by welding, and its top surface is flush with the top surface of the connecting plate 9. The rolling assembly is set on the front top plate 15. The clamping assembly is set between the upper parts of the two connecting plates 9. It also includes a cutting assembly and a pushing assembly. The cutting assembly is set between the tops of the two connecting plates 9 and above the clamping assembly. The pushing assembly is set between the limiting frame 2 and the front connecting plate 9.

[0022] As shown in Figure 3, the cutting assembly includes a first electric push rod 10, a cutting blade 11, and a bevel 14. The first electric push rod 10 is bolted to the top right side of the front connecting plate 9. The cutting blade 11 is welded to the telescopic rod of the first electric push rod 10. The bevel 14 is welded to the top right side of the rear connecting plate 9, with its lower part lower than the bottom of the cutting blade 11. This allows the cutting blade 11 to abut against the lower part of the bevel 14 when cutting the pins of electronic components, ensuring a stable and accurate cutting process, avoiding incomplete pin cutting, and protecting the integrity of the electronic components. Furthermore, the bevel 14 has a front-up-back-down slope, ensuring that the cut pin waste can slide down the slope from front to back.

[0023] As shown in Figure 3, the rolling assembly includes a second electric push rod 12 and a roller 13. The second electric push rod 12 is bolted to the top of the front top plate 15 and is located to the left of the first electric push rod 10. The roller 13 is welded to the telescopic rod of the second electric push rod 12. Its bottom surface is on the same horizontal plane as the top surface of the rear top plate 15, so that when the roller 13 rolls the electronic component pins, the bent part of the pins can be supported against the top surface of the rear top plate 15, ensuring that the bending process is smooth and accurate and avoiding damage to the pins.

[0024] As shown in Figure 3, the clamping assembly includes a first guide rod 16, a first spring 17, and a clamping plate 18. Multiple first guide rods 16 are distributed in a U-shape and are connected to the left and right sides of two connecting plates 9 by welding, and are slidably connected to the upper part of the limiting frame 2. The first spring 17 is sleeved on the outside of the first guide rod 16, and its two ends are fixedly connected to the limiting frame 2 and the first guide rod 16, respectively. Two clamping plates 18 are distributed opposite each other and are connected to each pair of horizontally aligned first guide rods 16 by welding. The clamping plates 18 are made of rubber, which has good flexibility and anti-slip properties, and can effectively clamp and fix the pins of electronic components, ensuring the accuracy and reliability of the bending and cutting process, while reducing damage to the pins.

[0025] As shown in Figures 3 and 4, the pushing assembly includes a top block 19, a wedge block 20, a second spring 21, an inclined block 22, a second guide rod 23, and a third spring 24. The top block 19 is welded to the upper right side of the front connecting plate 9 near the edge. The second guide rod 23 is welded to the lower front side of the limiting frame 2 at the center position. The wedge block 20 is slidably connected to the outside of the second guide rod 23. The inclined surface of the wedge block 20 runs from left to front and right to back. The right side of the top block 19 contacts the left inclined surface of the wedge block 20, so that when the top block 19 moves inward, it can press the wedge block 20 to the left along the inclined surface of the wedge block 20. The right side of the wedge block 20 that contacts the wedge block 20 has a rounded corner design, which can achieve better contact and fit and reduce stress concentration. The second spring 21 is sleeved on the outside of the second guide rod 23, and its two ends are fixedly connected to the wedge block 20 and the second guide rod 23 respectively, to assist the wedge block 20 in resetting. The inclined block 22 is slidably connected to the upper part of the wedge block 20, and the left side of the inclined block 22 is a straight surface and the right side is an inclined surface, so that when the inclined block 22 moves to the left, it can stably contact the electronic component pins, and conversely, when it moves to the right, it is squeezed by the electronic component pins. The third spring 24 is connected between the inclined block 22 and the wedge block 20 by welding to assist the inclined block 22 in resetting.

[0026] When using this device, first place the bracket 1 next to the loading and unloading machines, ensuring that the discharge port of the loading machine is aligned with the middle right side of the limiting frame 2, and the inlet of the unloading machine is aligned with the middle left side of the limiting frame 2. When the loading machine starts working, the electronic component to be bent is sent out from the discharge port, enters the limiting frame 2 from the right side, and contacts the two guide blocks 3 in turn. It rotates along the arc and straight surfaces of the guide blocks 3 to a suitable angle, so that all the pins of the electronic component are horizontally aligned. During the process of the electronic component entering the limiting frame 2, its pins contact the inclined surface of the inclined block 22 and squeeze the inclined block 22 to slide into the wedge block 20. The third spring 24 is then compressed to ensure that the electronic component enters smoothly. When the pins of the electronic component disengage from the inclined block 22, the third spring 24 is compressed. The three springs 24 then return to their original state, causing the inclined block 22 to pop out from inside the wedge block 20. When an appropriate amount of electronic components enter the limiting frame 2, so that the first electrical component on the left is placed between the right side of the clamping plate 18 and the left side of the inclined block 22, the feeding machine is temporarily shut down. Then the operator starts the motor 7, causing its output shaft to drive the bidirectional screw 8 to rotate, causing the connecting plate 9 to move the top plate 15 and the first guide rod 16 inward. The first guide rod 16 then moves the clamping plate 18 inward. At the same time, the connecting plate 9 moves the top block 19 inward, so that it contacts the inclined surface of the wedge block 20 and squeezes the wedge block 20 to move to the left. The second spring 21 is then stretched, and the wedge block 20 drives the inclined block 22 to move to the left. During this process, the straight surface of the inclined block 22 contacts the first electronic component on the left. The component pins are pushed into the space between the cutting blade 11, the bevel 14, and the two clamping plates 18. The clamping plates 18 hold the component pins, compressing the first spring 17 and applying inward pressure via the first guide rod 16. This ensures the clamping plates 18 firmly hold the component pins. After pushing and clamping, the motor 7 is turned off, and the nut 5 is rotated clockwise. This causes the threaded rod 4 to move the connecting frame 6 upward, which in turn moves all connected components upward. When the cutting blade 11 reaches the appropriate height and aligns with the cutting point of the component pins, the nut 5 is stopped, and the first electric push rod 10 is activated. This extends the telescopic rod, causing the cutting blade 11 to move backward and engage with the bevel 14, cutting off any excess component pins. The cut-off component leads slide off along the bevel 14. After cutting, the telescopic rod of the first electric push rod 10 retracts, causing the cutting blade 11 to move forward and reset. Then, the motor 7 is restarted, and its output shaft is controlled to drive the bidirectional screw 8 in reverse, causing the connecting plate 9 to move the top plate 15 and the first guide rod 16 outward. The first guide rod 16 then moves the clamping plate 18 outward, no longer clamping the electronic component leads. The first spring 17 then returns to its original state. Simultaneously, the connecting plate 9 moves the top block 19 outward, preventing it from pressing the wedge block 20. The second spring 21 then returns to its original state, causing the wedge block 20 to move the inclined block 22 to the right and reset. Once the connecting plate 9 resets, the output shaft of the motor 7 is immediately controlled to rotate, repeating the above clamping steps.During the clamping process, the second electronic component on the left is pushed between the cutting blade 11, the bevel 14, and the two clamping plates 18. Simultaneously, the second electronic component on the left pushes the first electronic component on the left to move to the left, placing it between the rear top plate 15 and the roller 13. Then, the second electric push rod 12 is activated, controlling its extension rod to extend, driving the roller 13 to move backward and roll the pin of the first electronic component on the left, bending it. During bending, the bent part of the pin is attached to the rear top plate 15, ensuring the roller 13 stably rolls the pin. When the roller 13 has completely rolled the pin, bending it 90 degrees, the extension rod of the second electric push rod 12 is retracted, driving the roller 13 forward to reset. This completes the cutting and bending of the pin of the first electrical component on the left. Finally, the clamping, pushing, cutting, and bending steps are repeated for the next electrical component. The electronic component with bent pins gradually falls out from the left side of the limit frame 2 and is conveyed to the next production line by the unloading machine.

[0027] It is worth noting that operators can replace the guide block 3 with different specifications according to the size of the electronic component pins, thereby improving the applicability of the device.

[0028] The above embodiments are provided for those skilled in the art to implement or use the present invention. Those skilled in the art can make various modifications or changes to the above embodiments without departing from the inventive concept of the present invention. Therefore, the protection scope of the present invention is not limited to the above embodiments, but should be the maximum scope that conforms to the innovative features mentioned in the claims.

Claims

1. A device for bending the leads of electronic components, characterized in that, The device includes a bracket (1), a limiting frame (2), guide blocks (3), threaded rods (4), nuts (5), a connecting frame (6), a motor (7), a double-acting screw (8), a connecting plate (9), a top plate (15), a rolling assembly, and a clamping assembly. The bracket (1) is located at the bottom and serves as the support for the entire device. The limiting frame (2) is fixed to the top of the bracket (1) and has a hollow design in the middle. Two guide blocks (3) of different sizes are oppositely distributed and installed on the upper right side of the limiting frame (2). Two threaded rods (4) are symmetrically distributed and threadedly connected to the lower part of the limiting frame (2). Two nuts (5) are symmetrically distributed and rotatably connected to the lower part of the limiting frame (2) and threadedly connected to the vertically aligned threaded rods (4). Connecting frame (6) is rotatably connected between the bottom ends of two threaded rods (4). Motor (7) is installed on the upper front side of connecting frame (6). Bidirectional screw (8) is fixed to the output shaft of motor (7) and rotatably connected to connecting frame (6). Two connecting plates (9) are distributed front and back and threaded to the outside of bidirectional screw (8). Top plate (15) is fixed to the upper part of connecting plate (9). Rolling assembly is set on the front top plate (15). Clamping assembly is set between the upper parts of the two connecting plates (9). It also includes cutting assembly and pushing assembly. Cutting assembly is set between the tops of the two connecting plates (9) and above clamping assembly. Pushing assembly is set between limit frame (2) and front connecting plate (9).

2. The electronic component lead bending device according to claim 1, characterized in that, The cutting assembly includes a first electric push rod (10), a cutting blade (11), and a bevel (14). The first electric push rod (10) is mounted on the top right side of the front connecting plate (9), the cutting blade (11) is fixed to the telescopic rod of the first electric push rod (10), and the bevel (14) is fixed to the top right side of the rear connecting plate (9).

3. The electronic component lead bending device according to claim 2, characterized in that, The rolling assembly includes a second electric push rod (12) and a roller (13). The second electric push rod (12) is mounted on the top of the front top plate (15) and is located to the left of the first electric push rod (10). The roller (13) is fixed to the telescopic rod of the second electric push rod (12).

4. An electronic component lead bending apparatus according to claim 3, wherein The clamping assembly includes a first guide rod (16), a first spring (17), and a clamping plate (18). Multiple first guide rods (16) are arranged in a U-shape, fixed to two connecting plates (9), and slidably connected to the upper part of the limiting frame (2). The first spring (17) is sleeved on the outside of the first guide rod (16), and its two ends are fixedly connected to the limiting frame (2) and the first guide rod (16) respectively. The two clamping plates (18) are distributed opposite to each other and fixedly connected between each pair of horizontally aligned first guide rods (16).

5. An electronic component lead bending apparatus according to claim 4, wherein the bending tool is a roller. The pushing assembly includes a top block (19), a wedge block (20), a second spring (21), an inclined block (22), a second guide rod (23), and a third spring (24). The top block (19) is fixed to the upper right side of the front connecting plate (9). The second guide rod (23) is fixed to the lower front side of the limiting frame (2). The wedge block (20) is slidably connected to the outside of the second guide rod (23). The second spring (21) is sleeved on the outside of the second guide rod (23), and its two ends are fixedly connected to the wedge block (20) and the second guide rod (23) respectively, for assisting the wedge block (20) to reset. The inclined block (22) is slidably connected to the upper part of the wedge block (20). The third spring (24) is fixed between the inclined block (22) and the wedge block (20), for assisting the inclined block (22) to reset.

6. An electronic component lead bending apparatus according to claim 5, wherein The right side of the top block (19) that contacts the wedge block (20) has a rounded corner design.

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