Wire harness terminal pull-back mechanical device

By combining a pneumatic three-jaw chuck and a contouring module with a servo module, automated pull-back detection of wire harness terminals is achieved, solving the problem of unstable force during manual detection and ensuring the accuracy and stability of terminal insertion.

CN223884779UActive Publication Date: 2026-02-06PRETTL ELECTRIC SHANGHAI CO LTD
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Patent Information

Application Number
CN202422852627.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2026-02-06
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

In existing technologies, problems such as incomplete or jammed wiring harness terminals are difficult to detect manually, leading to poor contact or detachment, and the manual pull-back force is unstable.

Method used

It employs a pneumatic three-jaw chuck, a contouring module, and a servo module. The pneumatic three-jaw chuck is driven to move by a servo motor. Combined with the gravity of the contouring module and the load-bearing block, it achieves constant control of the terminal pull-back force. The pull-back force is detected by a displacement sensor, and an industrial control computer and PLC system are integrated for automated detection.

Benefits of technology

It achieves automated detection of terminal connection, ensures constant pull-back force, improves the accuracy and stability of detection, and reduces human error.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a wire harness terminal pullback mechanical device which comprises a supporting frame, a back plate is fixedly arranged on one side of the supporting frame, a supporting plate is fixedly arranged on one face, facing the interior of the supporting frame, of the back plate, a servo module 300 is fixedly arranged on the supporting plate, a servo motor is arranged above the servo module 300, and the servo motor is connected with the servo module 300. A pneumatic three-jaw is fixedly arranged on a movable plate of the servo module 300, an iron rod is fixedly arranged on a bottom plate in the supporting frame, a bearing block is movably connected to the iron rod, a profiling module is fixedly arranged on the upper surface of the bearing block, and a connector is connected to the profiling module in a clamped mode. Through the pneumatic three-jaw, the profiling module and the servo module 300, the distance between the pneumatic three-jaw and the profiling module and the gravity generated by the bearing block, the profiling module and the connector are utilized, so that the acting force of terminal pullback is constant, and automatic detection is realized.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wiring harness terminal, concretely is a wiring harness terminal back pull mechanical device. BACKGROUND

[0002] The main body of the wiring harness is that copper wire in the wire and metal terminal (generally brass or phosphor copper) are pressure combined (cold pressure or ultrasonic welding) through physical action, and then the terminal is inserted into the connector, and the wiring harness is connected to the equipment by adopting the plug-in mode of male and female connectors, and plays the role of signal transmission and power supply. Therefore, it can be seen that the contact between the terminals plays a crucial role, and if the terminal is not inserted in place or "stuck", poor contact will occur during connection, and even fall off; At present, most enterprises producing wiring harnesses, especially automobile wiring harnesses, assemble terminals according to the "one listen, two look and three back pull" principle, which mainly relies on the operator to identify, but this method cannot prevent the terminal from being inserted 100% in place, and NG products will occur if carelessness occurs. First of all, the factory environment is relatively noisy, the sound of equipment operation, the sound of component contact and friction, and even the sound of employee speech, so that the employee sometimes cannot hear clearly by "one listen", and even cannot hear the sound of "click" at all, "two look" can only look at the condition of the terminal outside the connector, and what happens in the connector cavity cannot be seen, "three back pull" has great instability, but this back pull action is actually the most important of the three steps, and it is the most likely to detect whether the terminal is inserted in place or "stuck", but manual back pull cannot ensure that the force value is constant. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a wiring harness terminal back pull mechanical device to solve the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a wiring harness terminal back pull mechanical device, including support frame, one side of support frame is fixedly provided with backboard, on backboard, the side facing the inside of support frame is fixedly provided with support plate, support plate is fixedly provided with servo module 300, servo module 300 is provided with servo motor above, servo module 300 is fixedly provided with pneumatic three claws on the moving plate, the inside bottom plate of support frame is fixedly provided with iron pole, the iron pole is movably connected with bearing block, the upper surface of bearing block is fixedly provided with profiling module, the connector is clamped on profiling module.

[0005] Preferably, displacement sensors are arranged below the load-bearing blocks, a coaming is arranged around the support frame, a control box is arranged on one side of the support frame, an industrial computer, a display, a safety circuit breaker, an overload protector, an AC contactor and an intermediate relay are arranged inside the control box, and safety light barriers are arranged on the support frame and opposite the back plate.

[0006] Preferably, a PLC system is installed in the industrial computer, and the safety light barriers are provided with traceability software.

[0007] Preferably, the profiling module is opposite the center position of the pneumatic three-jaw.

[0008] Compared with the prior art, the utility model has the beneficial effects that: through the pneumatic three-jaw, the profiling module and the servo module 300, the distance between the pneumatic three-jaw and the profiling module and the gravity generated by the load-bearing block, the profiling module and the connector, the constant force of terminal back-pulling is realized, and automatic detection is realized. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is the whole structure schematic view of the utility model;

[0010] Figure 2 It is the profiling module related structure schematic view of the utility model.

[0011] In the drawing: 1, support frame; 2, back plate; 3, support plate; 4, servo motor; 5, servo module 300; 6, pneumatic three-jaw; 7, iron bar; 8, load-bearing block; 9, profiling module. DETAILED DESCRIPTION

[0012] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0013] Please refer to 1-2, the utility model provides an embodiment: a kind of harness terminal back pull mechanical device, including support frame 1, support frame 1 one side is fixed with backplate 2, on backplate 2, the side facing support frame 1 inside is fixed with support plate 3, support plate 3 is fixed with servo module 3005, the top of servo module 3005 is equipped with servo motor 4, servo module 3005's moving plate is fixed with pneumatic three claws 6, the inside bottom plate of support frame 1 is fixed with iron pole 7, iron pole 7 is movably connected with bearing block 8, the upper surface of bearing block 8 is fixed with profile module 9, profile module 9 is connected with connector, connector is fixed on profile module 9, then utilize pneumatic three claws 6 to tighten wire, along with the start of servo motor 4, drive servo module 3005, make pneumatic three claws 6 move, pull wire and drive connector to move, the gravity of bearing block 8, profile module 9 and connector three is acted on wire, so that the force of terminal back pull and the distance of pneumatic three claws 6 movement match.

[0014] Bearing block 8 below is equipped with displacement sensor, to facilitate the detection distance of bearing block 8, support frame 1 around is equipped with fence, support frame 1 one side is equipped with control box, control box inside is equipped with industrial computer, display, safety circuit breaker, overload protector, AC contactor and intermediate relay, to facilitate automation control, on support frame 1, located the two sides of backplate 2 opposite is equipped with safety grating, prevent when detecting, artificial safety is affected;Industrial computer is installed with PLC system, to facilitate testing according to different connector, according to PLC system programming relevant data, adapt to different connector, safety grating is equipped with traceability software;Profile module 9 is opposite the center position of pneumatic three claws 6, guarantee vertical stretch.

[0015] Working principle: in use, connector is fixed on profile module 9, then utilize pneumatic three claws 6 to tighten wire, along with the start of servo motor 4, drive servo module 3005, make pneumatic three claws 6 move, pull wire and drive connector to move, when moving to the force of terminal back pull and the gravity of bearing block 8, profile module 9 and connector three are consistent, displacement sensor detects the position of bearing block 8, and pneumatic three claws 6 moving position is the position corresponding to the force of terminal back pull, at this time, only need to replace connector, can measure.

[0016] Obviously, those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model fall within the scope of the claims of the utility model and their equivalents, the utility model also intends to include these modifications and variations.

Claims

1. A wire harness terminal pull-back mechanical device comprising a support frame (1), characterized in that: The support frame (1) is fixed with a back plate (2) on one side, the back plate (2) is fixed with a support plate (3) on the side facing the inside of the support frame (1), the support plate (3) is fixed with a servo module 300 (5), the servo module 300 (5) is provided with a servo motor (4) above, the moving plate of the servo module 300 (5) is fixed with a pneumatic three-jaw (6), the inside bottom plate of the support frame (1) is fixed with an iron rod (7), the iron rod (7) is movably connected with a bearing block (8), the upper surface of the bearing block (8) is fixed with a profiling module (9), and the profiling module (9) is connected with a connector.

2. A wire harness terminal pull-back mechanical device according to claim 1, characterized by: The bearing block (8) is provided with a displacement sensor below, the support frame (1) is provided with a surrounding plate around, the support frame (1) is provided with a control box on one side, the control box is provided with an industrial computer, a display, a safety circuit breaker, an overload protector, an AC contactor and an intermediate relay inside, the support frame (1) is provided with a safety grating on the two sides opposite to the back plate (2).

3. A wire harness terminal pull-back mechanical device according to claim 2, wherein: The industrial computer is provided with a PLC system, and the safety grating is provided with traceability software.

4. A wire harness terminal pull-back mechanical device according to claim 1, characterized by: The profiling module (9) is opposite to the center position of the pneumatic three-jaw (6).