A servo bending device for automotive connectors

The first and second bending blades, controlled by a servo drive system, independently bend different rows of terminals of the automotive connector, solving the problem of uneven force caused by synchronous bending. This achieves high-precision and high-efficiency terminal bending, reducing the defect rate and production costs.

CN224273067UActive Publication Date: 2026-05-26GUANGZHOU ZIQIANG AUTO PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGZHOU ZIQIANG AUTO PARTS CO LTD
Filing Date
2025-04-15
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

In the existing technology, the pins of automotive dual-row terminal connectors have poor bending effect due to uneven force during synchronous bending, making it difficult to meet high precision requirements.

Method used

The first and second bending blades, controlled by a servo drive system, independently bend different rows of terminals of the automotive connector. The conveying and clamping structures ensure the stability and accuracy of the terminals during the bending process.

Benefits of technology

It improves the accuracy of terminal bending and the product qualification rate, reduces the defect rate and production cost, and enhances the versatility and flexibility of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model provides a servo bending device for automotive connectors, belonging to the technical field of automotive parts production equipment. The bending device has a conveying structure on its body. Along the conveying direction of the conveying structure, the body has a first bending structure and a second bending structure. The first bending structure has a first bending cutter, and the second bending structure has a second bending cutter. Along the width direction of the conveying structure, the first and second bending cutters are staggered. Both the first and second bending structures are equipped with a servo drive system to drive the bending cutters to rotate. This bending device can bend different terminals of connectors using different bending structures, meeting high-precision bending requirements.
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Description

Technical Field

[0001] This utility model relates to the field of automotive parts production equipment technology, and in particular to a servo bending device for automotive connectors. Background Technology

[0002] Automotive dual-row terminal connectors are indispensable components in automotive electronic systems, widely used in powertrain systems, body control systems, information control systems, safety systems, and many other fields. For example, they are used to connect components such as batteries, motors, and inverters, ensuring the stability and reliability of power transmission. During the production process of dual-row terminal connectors, the pins need to be bent. Currently, most common pin bending devices use stamping to achieve bending, such as the pin bending machine disclosed in patent CN107052198A, which uses stamping to simultaneously bend all pins to improve efficiency. However, automotive dual-row terminal connectors typically have more than one row of pins, and the height and thickness of different pins vary. Applying the same force to each pin during simultaneous bending results in significant differences in the bending effect of different pins, making it difficult to meet high-precision bending requirements.

[0003] Therefore, the device needs to be improved to meet the bending requirements of automotive dual-row terminal connectors. Utility Model Content

[0004] To overcome the problems existing in related technologies, the purpose of this application is to provide a servo bending device for automotive connectors. This bending device can bend different terminals of the connector using different bending structures, and can meet the requirements of high-precision bending.

[0005] A servo bending device for automotive connectors, comprising:

[0006] The machine body is equipped with a conveying structure.

[0007] Along the conveying direction of the conveying structure, the machine body is provided with a first bending structure and a second bending structure. The first bending structure is provided with a first bending blade, and the second bending structure is provided with a second bending blade. Along the width direction of the conveying structure, the first bending blade and the second bending blade are staggered. Both the first bending structure and the second bending structure are provided with a servo drive system for driving the bending blade to rotate.

[0008] In a preferred embodiment of this invention, the conveying structure includes two oppositely arranged conveying chains, each conveying chain having a mounting block and a slot, and the mounting blocks of the two conveying chains forming a mounting position for a bearing connector.

[0009] In a preferred embodiment of this invention, both the first bending structure and the second bending structure are provided with a clamping structure. The clamping structure consists of two opposing clamping plates and a clamping drive component. The two clamping plates are positioned opposite each other below the conveying structure, and the clamping drive component drives the two clamping plates to open and close.

[0010] In a preferred embodiment of this invention, the first bending structure and the second bending structure are further provided with a lifting platform, the clamping structure is disposed on the lifting platform, and the lifting platform drives the clamping structure to enter or leave the conveying structure.

[0011] In a preferred embodiment of this utility model, the first bending structure further includes two mounting plates arranged opposite to each other. The two mounting plates are arranged in parallel on the machine body along the conveying direction of the conveying structure, and each mounting plate is provided with a passage for the conveying structure to pass through.

[0012] Each of the mounting plates has a rotating ring at its port, and the first bending blade is fixed on the rotating ring and located above the conveying structure.

[0013] The servo drive system drives the rotating ring to rotate, thereby causing the first bending blade to rotate.

[0014] In a preferred embodiment of this utility model, the servo drive system includes a gear plate and a linear servo motor. The gear plate is slidably mounted on the machine body, and the linear servo motor is fixed to one side of the gear plate. The output end of the linear servo motor is fixedly connected to the gear plate.

[0015] A transmission gear is provided on the side wall of any one of the rotating rings, and the transmission gear meshes with the toothed plate.

[0016] In a preferred embodiment of this utility model, a feeding conveyor line is also included, which is disposed on one side of the conveying structure, and a material transfer structure is disposed between the feeding conveyor line and the conveying structure.

[0017] The material transfer structure includes a material transfer mounting base, a material transfer drive cylinder, and a material transfer slide plate. The material transfer mounting base is fixed on the machine body. The material transfer drive cylinder is disposed on one side of the material transfer mounting base. The material transfer slide plate is slidably disposed on the material transfer mounting base. The output end of the material transfer drive cylinder is fixedly connected to the material transfer slide plate. A material trough is provided on the material transfer slide plate. Rollers are provided at the bottom of the material trough. The material transfer drive cylinder drives the material transfer slide plate to move, so that the material trough of the material transfer slide plate moves in the feeding conveyor line and the conveying structure.

[0018] The beneficial effects of this utility model are as follows:

[0019] This utility model provides a servo bending device for automotive connectors. The device has a conveying structure on its body. Along the conveying direction of the conveying structure, the body has a first bending structure and a second bending structure. The first bending structure has a first bending blade, and the second bending structure has a second bending blade. Along the width direction of the conveying structure, the first and second bending blades are staggered. Both the first and second bending structures are equipped with servo drive systems to drive the bending blades to rotate. In use, the automotive connector to be bent is placed on the conveying structure and conveyed to the bending positions of the first and second bending structures. When the connector reaches the position of the first bending structure, the first servo drive system is activated, driving the first bending blade to rotate and bend a specific terminal of the connector. The connector continues to move along the conveying direction and reaches the position of the second bending structure. At this point, the second servo drive system is activated, driving the second bending blade to rotate and bend the other set of terminals of the connector. Because the first and second bending blades are staggered along the width of the conveying structure, terminals at different positions can be bent simultaneously. This avoids the defects of simultaneously bending all pins using a stamping method, and prevents terminal damage caused by excessive extrusion or uneven force. As a result, the defect rate is reduced, the product qualification rate is improved, and the production cost is reduced. Attached Figure Description

[0020] Figure 1 is a perspective view of the automotive connector servo bending device provided in an embodiment of this utility model;

[0021] Figure 2 is the front view of Figure 1;

[0022] Figure 3 is a top view of Figure 1;

[0023] Figure 4 is a schematic diagram of one side of the top of the body provided in an embodiment of this utility model;

[0024] Figure 5 is a magnified view of point A in Figure 4;

[0025] Figure 6 is a schematic diagram of the conveying structure provided by this utility model;

[0026] Figure 7 is a schematic diagram of the clamping structure provided by this utility model installed on the lifting structure.

[0027] Figure label:

[0028] 1. Machine body; 2. Feeding conveyor line; 3. Transfer structure; 31. Transfer drive cylinder; 32. Transfer mounting base; 33. Transfer slide plate; 331. Material trough; 4. Conveying structure; 41. Conveying chain; 42. Mounting block; 421. Slot; 5. First bending structure; 51. Linear servo motor; 52. Tooth plate; 53. Rotating ring; 54. Mounting plate; 55. Transmission gear; 56. First bending cutter; 6. Second bending structure; 61. Second bending cutter; 7. Clamping structure; 71. Clamping plate; 72. Clamping drive component; 8. Lifting platform. Detailed Implementation

[0029] Preferred embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present invention will be thorough and complete, and will fully convey the scope of the present invention to those skilled in the art.

[0030] Existing technology discloses a pin bending machine that uses a stamping method to simultaneously bend all pins to improve efficiency. However, automotive dual-row terminal connectors typically have more than one row of pins, and the height and thickness of different pins vary. Applying the same force to each pin during simultaneous bending results in significant differences in the bending effect of different pins, making it difficult to meet high-precision bending requirements.

[0031] Based on this, this application provides a servo bending device for automotive connectors. Example

[0032] As shown in Figures 1-7, this application provides a servo bending device for automotive connectors, comprising:

[0033] The machine body 1 is provided with a conveying structure 4;

[0034] Along the conveying direction of the conveying structure 4, the machine body 1 is provided with a first bending structure 5 and a second bending structure 6. The first bending structure 5 is provided with a first bending blade 56, and the second bending structure 6 is provided with a second bending blade 61. Along the width direction of the conveying structure 4, the first bending blade 56 and the second bending blade 61 are staggered. Both the first bending structure 5 and the second bending structure 6 are provided with a servo drive system for driving the bending blades to rotate.

[0035] Specifically, the main body 1 serves as the supporting frame for the entire device, and is equipped with a conveying structure 4, a first bending structure 5, and a second bending structure 6. The conveying structure 4 is used to convey the connecting terminals of the automotive connector to the bending position along a predetermined direction. The conveying structure 4 can employ belt conveying, chain conveying, or roller conveying, etc., to ensure the stability and accuracy of the connector during the conveying process.

[0036] In the dual-row connector terminals of the automotive connector, the two rows of connector terminals are located in different positions. This application uses two different bending structures and different bending knives to bend the different connector terminals respectively. For example, the first bending knife 56 is used to bend the first row of connector terminals, and the second bending knife 61 is used to bend the second row of connector terminals.

[0037] Even better, because the servo drive system can adjust parameters according to different bending requirements, this bending equipment can adapt to various specifications of automotive connectors. Whether it is terminals of different widths and thicknesses, or different bending angle requirements, all can be achieved by adjusting the parameters of the servo drive system, greatly improving the versatility and flexibility of the equipment and reducing the equipment adjustment time caused by changing to different specifications of connectors.

[0038] The aforementioned servo bending equipment for automotive connectors involves placing the automotive connector to be bent on a conveying structure 4, which then transports it to the bending positions of a first bending structure 5 and a second bending structure 6. When the connector reaches the first bending structure 5, a first servo drive system activates, driving a first bending blade 56 to rotate and bend specific terminals of the connector. As the connector continues to move along the conveying direction, reaching the second bending structure 6, a second servo drive system activates, driving a second bending blade 61 to rotate and bend another set of terminals of the connector. Because the first bending blade 56 and the second bending blade 61 are staggered along the width of the conveying structure 4, bending operations can be performed simultaneously on terminals at different positions. This avoids the defects of synchronously bending all pins using a stamping method, and prevents terminal damage caused by excessive extrusion or uneven force, thereby reducing the defect rate, increasing the product qualification rate, and lowering production costs.

[0039] Specifically, the conveying structure 4 includes two oppositely arranged conveying chains 41, each of which is provided with a mounting block 42, and the mounting block 42 is provided with a slot 421. The mounting blocks 42 of the two conveying chains 41 form a mounting position for a bearing connector.

[0040] Specifically, the mounting block 42 is fixed to the conveyor chain 41 and moves with it. Each mounting block 42 is provided with a slot 421, the shape and size of which match the bottom of the automotive connector to secure the connector and prevent displacement during transport. The mounting blocks 42 on the two conveyor chains 41 are positioned opposite each other, and when the conveyor chains 41 move, the space between the mounting blocks 42 on the two conveyor chains 41 forms a mounting position for supporting the automotive connector. The connector is placed in the mounting position and secured by the slot 421, ensuring stability and reliability during transport.

[0041] In a preferred embodiment, both the first bending structure 5 and the second bending structure 6 are provided with a clamping structure 7. The clamping structure 7 has two opposing clamping plates 71 and a clamping drive member 72. The two clamping plates 71 are positioned opposite each other below the conveying structure 4, and the clamping drive member 72 drives the two clamping plates 71 to open and close.

[0042] During use, when the connector terminals reach the bending position of the first bending structure 5 or the second bending structure 6, the clamping drive 72 is activated, driving the two clamping plates 71 to close and clamp the connector terminals, preventing displacement during bending. In this clamped state, the first bending blade 56 or the second bending blade 61 bends the connector terminals. Due to the fixing effect of the clamping structure 7, the bending process is more stable, enabling high-precision bending. After bending, the clamping drive 72 drives the two clamping plates 71 to open, releasing the connector, which then continues to be conveyed along the conveying structure 4 to the next process.

[0043] Furthermore, the first bending structure 5 and the second bending structure 6 are also provided with a lifting platform 8, and the clamping structure 7 is disposed on the lifting platform 8. The lifting platform 8 drives the clamping structure 7 to enter or leave the conveying structure 4.

[0044] In this embodiment, when the connector reaches the bending position of the first bending structure 5 or the second bending structure 6, the lifting platform 8 actuates, raising the clamping structure 7 so that it enters below the conveying structure 4. The clamping drive 72 is activated, driving the two clamping plates 71 to close, clamping and fixing the connector terminals to prevent displacement during bending. In the clamped and fixed state, the first bending blade 56 or the second bending blade 61 performs a bending operation on the connector terminals. Due to the fixing effect of the clamping structure 7, the bending process is more stable, enabling high-precision bending. After bending is completed, the clamping drive 72 drives the two clamping plates 71 to open, releasing the connector. The lifting platform 8 actuates, lowering the clamping structure 7, leaving the conveying structure 4, and the connector continues to be conveyed along the conveying structure 4 to the next process.

[0045] Specifically, this application also provides a detailed structure of the first bending structure 5.

[0046] The first bending structure 5 also includes two mounting plates 54 arranged opposite to each other. The two mounting plates 54 are arranged in parallel on the machine body 1 along the conveying direction of the conveying structure 4. Each mounting plate 54 is provided with a passage for the conveying structure 4 to pass through.

[0047] Each mounting plate 54 has a rotating ring 53 at its through-hole, and the first bending blade 56 is fixed on the rotating ring 53 and located above the conveying structure 4.

[0048] The servo drive system drives the rotating ring 53 to rotate, thereby causing the first bending blade 56 to rotate.

[0049] The bending structure operates as follows: After the clamping structure 7 clamps the connector terminals, the servo drive system starts, driving the rotating ring 53 to rotate, which in turn drives the first bending blade 56 to bend the connector terminals. Since the first bending blade 56 is fixed to the rotating ring 53, the precise rotation of the rotating ring 53 ensures that the bending blade bends at a preset angle and speed, achieving a high-precision bending effect. By fixing the first bending blade 56 to the rotating ring 53 and precisely controlling the rotation of the rotating ring 53 by the servo drive system, high-precision control of the bending angle and speed can be achieved. Compared with traditional mechanical bending equipment, this design significantly improves bending accuracy and meets high-precision bending requirements.

[0050] Furthermore, the servo drive system includes a gear plate 52 and a linear servo motor 51. The gear plate 52 is slidably mounted on the machine body 1, and the linear servo motor 51 is fixed to one side of the gear plate 52. The output end of the linear servo motor 51 is fixedly connected to the gear plate 52.

[0051] A transmission gear 55 is provided on the side wall of any of the rotating rings 53, and the transmission gear 55 meshes with the toothed plate 52.

[0052] During operation, the linear servo motor 51 starts, and its output drives the toothed plate 52 to slide along the machine body 1. The sliding of the toothed plate 52 causes the transmission gear 55 meshing with it to rotate, which in turn drives the rotating ring 53 to rotate, and the first bending cutter 56 then performs a bending operation on the connector terminal. Because the linear servo motor 51 can precisely control the sliding distance and speed of the toothed plate 52, high-precision control of the bending angle and speed is achieved.

[0053] By using a linear servo motor 51 to drive the toothed plate 52 to slide, which in turn drives the rotating ring 53 to rotate, high-precision control of the bending angle and speed can be achieved. The linear servo motor 51 features high precision and fast response, and can accurately control the sliding of the toothed plate 52 according to preset bending parameters, thereby ensuring that the bending cutter performs bending operations at the preset angle and speed, significantly improving bending accuracy.

[0054] The meshing transmission between the toothed plate 52 and the transmission gear 55 makes the movement of the bending knife smoother and reduces the uneven bending caused by mechanical transmission errors.

[0055] More preferably, it also includes a feeding conveyor line 2, which is disposed on one side of the conveying structure 4, and a material transfer structure 3 is disposed between the feeding conveyor line 2 and the conveying structure 4;

[0056] The material transfer structure 3 includes a material transfer mounting base 32, a material transfer drive cylinder 31, and a material transfer slide plate 33. The material transfer mounting base 32 is fixed on the machine body 1. The material transfer drive cylinder 31 is disposed on one side of the material transfer mounting base 32. The material transfer slide plate 33 is slidably disposed on the material transfer mounting base 32. The output end of the material transfer drive cylinder 31 is fixedly connected to the material transfer slide plate 33. A material trough 331 is provided on the material transfer slide plate 33. Rollers are provided at the bottom of the material trough 331. The material transfer drive cylinder 31 drives the material transfer slide plate 33 to move, so that the material trough 331 of the material transfer slide plate 33 moves in the feeding conveyor line 2 and the conveying structure 4.

[0057] The transfer mounting base 32 is fixed to the machine body 1, serving as a support component for the transfer structure 3. A transfer drive cylinder 31 is located on one side of the transfer mounting base 32, used to drive the movement of the transfer slide plate 33. During operation, the feeding conveyor line 2 transports the connector to the top of the transfer structure 3. The connector terminals in the feeding conveyor line 2 fall into the material trough 331 of the transfer slide plate 33. Then, the transfer drive cylinder 31 drives the transfer slide plate 33 to move, transferring the connector terminals from the feeding conveyor line 2 to one side of the mounting position on the conveying structure 4. The connector terminals are released from the material trough 331 by the rollers and fall into the mounting position on the conveying structure 4. The bottom of the connector engages in the slot 421 of the mounting block 42, ensuring stable and reliable connection during transport, thus completing the material loading. The automated design of the feeding conveyor line and the transfer structure 3 simplifies the connector terminal bending process, eliminating the need for frequent manual placement of connectors and reducing labor intensity. Meanwhile, the automated operation of the equipment reduces production interruptions caused by human error and improves the operational stability of the equipment.

[0058] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0059] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.

[0060] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An automobile connector servo bending apparatus characterized by comprising: include: The machine body is equipped with a conveying structure. Along the conveying direction of the conveying structure, the machine body is provided with a first bending structure and a second bending structure. The first bending structure is provided with a first bending blade, and the second bending structure is provided with a second bending blade. Along the width direction of the conveying structure, the first bending blade and the second bending blade are staggered. Both the first bending structure and the second bending structure are provided with a servo drive system for driving the bending blade to rotate.

2. The automotive connector servo bending device according to claim 1, characterized in that: The conveying structure includes two oppositely arranged conveying chains, each of which is provided with a mounting block and a slot. The mounting blocks of the two conveying chains form a mounting position for a load-bearing connector.

3. The automotive connector servo bending device according to claim 1, characterized in that: Both the first bending structure and the second bending structure are provided with a clamping structure, which includes two opposing clamping plates and a clamping drive component. The two clamping plates are positioned opposite each other below the conveying structure, and the clamping drive component drives the two clamping plates to open and close.

4. The automotive connector servo bending device according to claim 3, characterized in that: The first bending structure and the second bending structure are further provided with a lifting platform, and the clamping structure is disposed on the lifting platform. The lifting platform drives the clamping structure to enter or leave the conveying structure.

5. The automotive connector servo bending device according to any one of claims 1-4, characterized in that: The first bending structure also includes two mounting plates arranged opposite each other. The two mounting plates are arranged in parallel on the machine body along the conveying direction of the conveying structure. Each mounting plate is provided with a passage for the conveying structure to pass through. Each of the mounting plates has a rotating ring at its port, and the first bending blade is fixed on the rotating ring and located above the conveying structure. The servo drive system drives the rotating ring to rotate, thereby causing the first bending blade to rotate.

6. The automotive connector servo bending device according to claim 5, characterized in that: The servo drive system includes a gear plate and a linear servo motor. The gear plate is slidably mounted on the machine body, and the linear servo motor is fixed to one side of the gear plate. The output end of the linear servo motor is fixedly connected to the gear plate. A transmission gear is provided on the side wall of any one of the rotating rings, and the transmission gear meshes with the toothed plate.

7. The automotive connector servo bending device according to any one of claims 1-4, characterized in that: It also includes a feeding conveyor line, which is disposed on one side of the conveying structure, and a material transfer structure is provided between the feeding conveyor line and the conveying structure; The material transfer structure includes a material transfer mounting base, a material transfer drive cylinder, and a material transfer slide plate. The material transfer mounting base is fixed on the machine body. The material transfer drive cylinder is disposed on one side of the material transfer mounting base. The material transfer slide plate is slidably disposed on the material transfer mounting base. The output end of the material transfer drive cylinder is fixedly connected to the material transfer slide plate. A material trough is provided on the material transfer slide plate. Rollers are provided at the bottom of the material trough. The material transfer drive cylinder drives the material transfer slide plate to move, so that the material trough of the material transfer slide plate moves in the feeding conveyor line and the conveying structure.