Ring cutting device for automobile wire harness

By designing the circumferential cutting component and the clamping and fixing component of the circumferential cutting device, the problem of wire harness misalignment during the cutting process was solved, achieving high-precision wire harness circumferential cutting and stable fixing, thus improving the cutting quality and the practicality of the device.

CN224224024UActive Publication Date: 2026-05-12LIAOCHENG JUYUANDA ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LIAOCHENG JUYUANDA ELECTRIC CO LTD
Filing Date
2025-01-20
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

The lack of a fixing mechanism for wire harnesses in existing technologies makes it easy for wire harnesses to deviate during the cutting process, resulting in low cutting accuracy and poor practicality.

Method used

A ring-cutting device is designed, comprising a ring-cutting component, a conveying component, a clamping and fixing component, and an adjusting component. The rotating drum is driven by a motor-driven gear, and the position of the ring-cutting blade is adjusted by an electric slide rail and a slide rod. The wire harness is fixed by a clamping wheel and a spring to ensure that the wire harness remains taut during the ring-cutting process.

Benefits of technology

This achieves stable fixation of the wire harness, improves the cutting accuracy of circumferential cutting, avoids damage to the wire harness during circumferential cutting, and enhances the practicality and service life of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile wire harness processing, in particular to an annular cutting device for an automobile wire harness, which can fix the wire harness and ensure that the wire harness is in a tight state, so that the position of the wire harness is stably fixed during annular cutting, and the annular cutting quality is ensured. Comprising a base, a connecting seat, an annular seat, a plurality of annular cutters, an annular cutting assembly, a conveying assembly, a connecting part and a pressing and fixing assembly, fixing lugs are arranged on the outer wall of the base, the annular seat is connected to the top of the base through the connecting seat, the annular cutting assembly is installed in the annular seat, the annular cutters are installed on the annular cutting assembly, and the conveying assembly is installed on the right side of the annular seat through the connecting part; a pressing and fixing assembly is installed on the left side of the ring base.
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Description

Technical Field

[0001] This utility model relates to the technical field of automotive wiring harness processing, and in particular to a circumferential cutting device for automotive wiring harnesses. Background Technology

[0002] In modern automobiles, there are numerous wiring harnesses, which are closely related to electronic control systems. The wiring harness forms the core of the automotive circuit network; without it, there is no automotive circuitry. A wiring harness refers to an assembly consisting of copper-formed contact terminals (connectors) crimped to wires and cables, then covered with a plastic insulator or an outer metal shell, and bundled together to form a connecting circuit. The processing of automotive wiring harnesses often requires multiple circumferential cutting and stripping operations. Existing technology publication number CN212884724U discloses a cutting device for automotive wiring harness production, including a worktable. A lifting motor is fixedly connected to the bottom of the worktable, a guide rod is fixedly connected to the top of the worktable, a top plate is fixedly connected to the top of the guide rod, and a transmission screw is provided at the bottom of the top plate. A lifting platform is driven to the side surface of the transmission screw. However, due to the lack of a mechanism for fixing the wiring harness, it is prone to misalignment during actual cutting, resulting in low cutting accuracy and poor practicality. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a circumferential cutting device for automotive wiring harnesses that can fix the wiring harness, ensure that the wiring harness is in a taut state, so that the position of the wiring harness is stably fixed during circumferential cutting, and ensure the quality of circumferential cutting.

[0004] This utility model discloses a circumferential cutting device for automotive wiring harnesses, comprising a base, a connecting seat, a ring seat, multiple circumferential cutting blades, a circumferential cutting assembly, a conveying assembly, a connecting component, and a clamping and fixing assembly. The base has a fixing lug on its outer wall. The ring seat is connected to the top of the base via the connecting seat. The circumferential cutting assembly is installed inside the ring seat, and multiple circumferential cutting blades are mounted on the circumferential cutting assembly. The conveying assembly is installed on the right side of the ring seat via the connecting component, and the clamping and fixing assembly is installed on the left side of the ring seat. The conveying assembly, mounted on the right side of the ring seat via the connecting component, can convey the automotive wiring harness. Simultaneously, the connecting component allows adjustment of the position of the conveying assembly for easy disassembly. The clamping and fixing assembly secures the wiring harness, ensuring it remains taut during the wire feeding process, thus stably fixing the position of the wiring harness during circumferential cutting and preventing damage to the internal components of the wiring harness.

[0005] Preferably, the circumferential cutting assembly includes a supporting rotating ring, a rotating cylinder, a geared ring, a gearbox, a gear, a motor, and adjusting components. A rotating guide groove is provided inside the ring seat, and the supporting rotating ring is rotatably mounted within the rotating guide groove. A rotating cylinder is fixedly mounted on the inner wall of the supporting rotating ring. Multiple circumferential cutting blades are located inside the rotating cylinder. An annular drive groove is located on the right side of the inner wall of the ring seat, and the geared ring is located within the annular drive groove and fixedly mounted on the outer wall of the rotating cylinder. A drive cavity is provided at the lower part of the ring seat, and a gear is rotatably mounted within the drive cavity and meshes with the geared ring. The input end of the gear is connected to the output end of the gearbox. A mounting cavity is provided at the top of the base, and the motor is located within the mounting cavity, with its output end connected to the input end of the gearbox. The starting motor drives the gear to rotate via the gearbox, and the gear, in conjunction with the geared ring, drives the rotating cylinder to rotate, causing multiple circumferential cutting blades to circumferentially cut the wire harness. The rotation of the rotating cylinder causes the supporting rotating ring to rotate within the rotating guide groove, ensuring stability during rotation and improving cutting accuracy.

[0006] Preferably, the adjusting component includes multiple electric slide rails, multiple electric slide rods, and multiple limiting nuts. The multiple electric slide rails are axially and evenly installed on the inner wall of the rotating drum. An electric slide rod is slidably installed inside the electric slide rail. The end of the electric slide rod away from the electric slide rail is connected to the ring cutter. An adjusting groove is opened on the outer right side of the electric slide rail. A limiting nut is installed on the lower part of the right side wall of the electric slide rod. The limiting nut slides within the adjusting groove and is screwed with a locking nut. Loosening the locking nut allows the electric slide rod to slide within the electric slide rail, which can adjust the position of the ring cutter. Tightening the locking nut, in conjunction with the limiting nut, fixes the electric slide rod, thereby improving its usability.

[0007] Preferably, the conveying assembly includes a conveying ring, multiple electric telescopic rods, multiple conveying frames, multiple conveying rollers, and multiple drivers. The conveying ring is located on the right side of the ring seat. Multiple electric telescopic rods are axially mounted on the inner wall of the conveying ring. The telescopic ends of the electric telescopic rods are equipped with conveying frames, and conveying rollers are rotatably mounted on the conveying frames. The input end of the conveying rollers is connected to the output end of the drivers. The wire harness is placed between the multiple conveying rollers, the electric telescopic rods are activated to press the wire harness, and at the same time, the drivers are activated to drive the conveying rollers to rotate and convey the wire harness, thereby improving work efficiency.

[0008] Preferably, the connecting components include multiple connecting plates, multiple adjusting plates, and multiple locking bolts. The multiple connecting plates are mounted on the right side wall of the ring seat by bolts, and the adjusting plate is mounted on the left side wall of the conveying ring. The adjusting plate has a fixing groove, and the locking bolt is mounted on the top right side of the connecting plate, with the locking bolt located in the fixing groove. Tightening the locking bolt fixes the connecting plate and the adjusting plate, thereby installing the conveying ring on the right side of the ring seat for easy disassembly. Pulling the conveying ring causes the adjusting plate to slide on the connecting plate, which can adjust the position of the conveying ring and improve its practicality.

[0009] Preferably, the clamping and fixing assembly includes two connecting plates, a clamping ring, multiple T-shaped guide rods, multiple clamping frames, multiple clamping wheels, and multiple springs. Two connecting plates are symmetrically installed on the outer wall of the clamping ring. The two connecting plates are bolted to the upper and lower ends of the left side wall of the ring seat. Multiple T-shaped guide rods are axially slidably installed on the clamping ring. A clamping frame is installed at the end of the T-shaped guide rod away from the clamping ring. A clamping wheel is rotatably installed on the clamping frame. Springs are fitted on the outer wall of the T-shaped guide rods. The two ends of the springs are connected to the clamping frame and the inner wall of the clamping ring, respectively. When the wire harness passes between the multiple clamping wheels, the springs push the clamping frame, causing the multiple clamping wheels to clamp the wire harness, ensuring that the wire harness is in a taut state during the wire feeding process. This ensures that the position of the wire harness is stably fixed during circumferential cutting, avoiding damage to the inside of the wire harness during the circumferential cutting process.

[0010] Preferably, it also includes multiple sets of reinforcing ribs, with reinforcing ribs fixedly installed between the outer wall of the electric telescopic rod and the inner wall of the conveying ring; the reinforcing ribs can ensure the connection strength between the electric telescopic rod and the conveying ring, improve stability, and ensure service life.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: the conveying component is installed on the right side of the ring seat through the connecting component, which can convey the automotive wiring harness. At the same time, the connecting component can adjust the position of the conveying component for easy disassembly. The clamping and fixing component can fix the wiring harness, ensuring that the wiring harness is in a taut state during the wire feeding process, so that the position of the wiring harness is stably fixed during ring cutting, avoiding damage to the inside of the wiring harness during the ring cutting process. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 This is a schematic diagram of the isometric structure of this utility model;

[0014] Figure 3 This is a three-dimensional structural diagram of the right side of this utility model;

[0015] Figure 4 This is a schematic diagram of the front cross-sectional structure of this utility model;

[0016] Figure 5 This is a partial cross-sectional structural schematic diagram of the present invention;

[0017] The following are labels in the attached diagram: 1. Base; 2. Fixing ear; 3. Connecting seat; 4. Ring seat; 5. Supporting swivel; 6. Rotary drum; 7. Ring cutter; 8. Electric slide rail; 9. Electric slide rod; 10. Limit nut; 11. Gear ring; 12. Gearbox; 13. Gear; 14. Motor; 15. Connecting plate; 16. Adjusting plate; 17. Locking bolt; 18. Conveying ring; 19. Electric telescopic rod; 20. Conveying frame; 21. Conveying roller; 22. Driver; 23. Reinforcing rib; 24. Connecting plate; 25. Pressure ring; 26. T-shaped guide rod; 27. Pressure frame; 28. Pressure wheel; 29. ​​Spring. Detailed Implementation

[0018] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.

[0019] like Figures 1 to 5As shown, a fixing lug 2 is provided on the outer wall of the base 1. A ring seat 4 is connected to the top of the base 1 via a connecting seat 3. A rotating guide groove is provided inside the ring seat 4. A supporting rotating ring 5 is rotatably installed in the rotating guide groove. A rotating cylinder 6 is fixedly installed on the inner wall of the supporting rotating ring 5. Multiple ring cutters 7 are located inside the rotating cylinder 6. There is an annular drive groove on the right side of the inner wall of the ring seat 4. A gear ring 11 is located in the annular drive groove and is fixedly installed on the outer wall of the rotating cylinder 6. A drive cavity is provided at the lower part of the ring seat 4. A gear 13 is rotatably installed in the drive cavity and meshes with the gear ring 11. The input end of the gear 13 is connected to the gearbox. The output end of the gearbox 12 is connected, and the top of the base 1 has a mounting cavity. The motor 14 is located in the mounting cavity, and the output end of the motor 14 is connected to the input end of the gearbox 12. Multiple electric slide rails 8 are axially and evenly installed on the inner wall of the rotating drum 6. Electric slide rods 9 are slidably installed in the electric slide rails 8. The end of the electric slide rod 9 away from the electric slide rail 8 is connected to the ring cutter 7. An adjustment groove is opened on the outer right side of the electric slide rail 8. A limit nut 10 is installed on the lower part of the right side of the electric slide rod 9. The limit nut 10 is slidably located in the adjustment groove, and a locking screw is screwed on the limit nut 10. The nut and conveying ring 18 are located on the right side of the ring seat 4. Multiple electric telescopic rods 19 are axially mounted on the inner wall of the conveying ring 18. Reinforcing ribs 23 are fixedly installed between the outer wall of the electric telescopic rods 19 and the inner wall of the conveying ring 18. A conveying frame 20 is installed at the telescopic end of the electric telescopic rods 19. A conveying roller 21 is rotatably mounted on the conveying frame 20. The input end of the conveying roller 21 is connected to the output end of the driver 22. Multiple connecting plates 15 are bolted to the right side wall of the ring seat 4. An adjusting plate 16 is installed on the left side wall of the conveying ring 18. The adjusting plate 16 has a fixing groove. A locking bolt 17 is installed on the top right side of the connecting plate 15. The locking bolt 17 is located in the fixing groove. Two connecting plates 24 are symmetrically installed on the outer wall of the clamping ring 25. The two connecting plates 24 are installed at the upper and lower ends of the left side wall of the ring seat 4 by bolts. Multiple T-shaped smooth rods 26 are axially slidably installed on the clamping ring 25. A clamping frame 27 is installed at the end of the T-shaped smooth rod 26 away from the clamping ring 25. A clamping wheel 28 is rotatably installed on the clamping frame 27. A spring 29 is fitted on the outer wall of the T-shaped smooth rod 26. The two ends of the spring 29 are connected to the clamping frame 27 and the inner wall of the clamping ring 25, respectively.

[0020] Tighten the locking bolt 17 to fix the connecting plate 15 and the adjusting plate 16, thereby installing the conveying ring 18 on the right side of the ring seat 4 for easy disassembly. Pull the conveying ring 18 to make the adjusting plate 16 slide on the connecting plate 15, which can adjust the position of the conveying ring 18 and improve practicality. Place the wire harness between multiple conveying rollers 21, start the electric telescopic rod 19 to press the wire harness, and at the same time start the driver 22 to drive the conveying rollers 21 to rotate and convey the wire harness, improving work efficiency. The reinforcing rib 23 can ensure the connection strength between the electric telescopic rod 19 and the conveying ring 18, improve stability, and ensure service life. The wire harness passes between multiple pressing rollers 28, and the pressing frame 27 is pushed by the spring 29, so that multiple The clamping roller 28 clamps the wire harness, ensuring that the wire harness remains taut during the wire feeding process. This stabilizes the position of the wire harness during circumferential cutting, preventing damage to the internal components of the wire harness. Loosening the locking nut allows the electric slide rod 9 to slide within the electric slide rail 8, adjusting the position of the circumferential cutting blade 7. Tightening the locking nut, in conjunction with the limit nut 10, secures the electric slide rod 9, expanding its usability. The starting motor 14 drives the gear 13 to rotate via the gearbox 12. The gear 13, in conjunction with the gear ring 11, drives the rotating drum 6 to rotate, causing multiple circumferential cutting blades 7 to circumferentially cut the wire harness. As the rotating drum 6 rotates, it drives the supporting rotating ring 5 to rotate within the rotating guide groove, ensuring stability during rotation and improving cutting accuracy.

[0021] like Figures 1 to 5 As shown, this utility model discloses a circumferential cutting device for automotive wiring harnesses. During operation, tightening the locking bolt 17 secures the connecting plate 15 and adjusting plate 16, thereby installing the conveying ring 18 on the right side of the ring seat 4 for easy disassembly. The wiring harness is placed between multiple conveying rollers 21, and the electric telescopic rod 19 is activated to press the wiring harness. Simultaneously, the driver 22 is activated to rotate the conveying rollers 21 to transport the wiring harness. The wiring harness passes between multiple pressing rollers 28, and the spring 29 pushes the pressing frame 27, causing the multiple pressing rollers 28 to press the wiring harness, ensuring that the wiring harness is in a taut state during the wire feeding process. This ensures that the position of the wiring harness is stably fixed during circumferential cutting. Loosening the locking nut, the electric slide rod 9 is pulled to slide within the electric slide rail 8, and the circumferential cutting blade 7 is adjusted to a suitable position. The motor 14 is started, driving the gear 13 to rotate through the gearbox 12. The gear 13, in conjunction with the gear ring 11, drives the rotating drum 6 to rotate, causing the multiple circumferential cutting blades 7 to circumferentially cut the wiring harness.

[0022] The electric slide rail 8, electric slide bar 9, gearbox 12, motor 14 and driver 22 of the circumferential cutting device for automotive wiring harness of this utility model are commercially available. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0023] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A circumferential cutting device for automotive wiring harnesses, characterized in that, The system includes a base (1), a connecting seat (3), a ring seat (4), multiple ring cutters (7), a ring cutting assembly, a conveying assembly, a connecting component, and a clamping and fixing assembly. The base (1) has a fixing lug (2) on its outer wall. The top of the base (1) is connected to the ring seat (4) via the connecting seat (3). The ring cutting assembly is installed inside the ring seat (4), and multiple ring cutters (7) are mounted on the ring cutting assembly. The conveying assembly is installed on the right side of the ring seat (4) via the connecting component, and the clamping and fixing assembly is installed on the left side of the ring seat (4). The ring cutting assembly includes a supporting rotating ring (5), a rotating drum (6), a gear ring (11), a gearbox (12), a gear (13), a motor (14), and an adjusting component. The ring seat (4) has an opening inside. A rotating guide groove is provided, and a supporting rotating ring (5) is rotatably installed in the rotating guide groove. A rotating cylinder (6) is fixedly installed on the inner wall of the supporting rotating ring (5). Multiple ring cutters (7) are located inside the rotating cylinder (6). There is an annular drive groove on the right side of the inner wall of the ring seat (4). A toothed ring (11) is located in the annular drive groove and is fixedly installed on the outer wall of the rotating cylinder (6). A drive cavity is opened at the lower part of the ring seat (4). A gear (13) is rotatably installed in the drive cavity and meshes with the toothed ring (11). The input end of the gear (13) is connected to the output end of the gearbox (12). An installation cavity is opened at the top of the base (1). A motor (14) is located in the installation cavity, and the output end of the motor (14) is connected to the input end of the gearbox (12).

2. The circumferential cutting device for automotive wiring harnesses as described in claim 1, characterized in that, The adjustment components include multiple electric slide rails (8), multiple electric slide rods (9), and multiple limit nuts (10). The multiple electric slide rails (8) are axially and evenly installed on the inner wall of the rotating drum (6). The electric slide rods (9) are slidably installed inside the electric slide rails (8). The end of the electric slide rod (9) away from the electric slide rails (8) is connected to the ring cutter (7). An adjustment groove is provided on the outer right side of the electric slide rails (8). A limit nut (10) is installed on the lower right side of the electric slide rod (9). The limit nut (10) is slidably located in the adjustment groove, and a locking nut is screwed on the limit nut (10).

3. The circumferential cutting device for automotive wiring harnesses as described in claim 1, characterized in that, The conveying assembly includes a conveying ring (18), multiple electric telescopic rods (19), multiple conveying frames (20), multiple conveying rollers (21), and multiple drivers (22). The conveying ring (18) is located on the right side of the ring seat (4). Multiple electric telescopic rods (19) are axially mounted on the inner wall of the conveying ring (18). The telescopic ends of the electric telescopic rods (19) are mounted on the conveying frames (20). The conveying rollers (21) are rotatably mounted on the conveying frames (20). The input end of the conveying rollers (21) is connected to the output end of the drivers (22).

4. The circumferential cutting device for automotive wiring harnesses as described in claim 3, characterized in that, The connecting components include multiple connecting plates (15), multiple adjusting plates (16), and multiple locking bolts (17). The multiple connecting plates (15) are installed on the right side wall of the ring seat (4) by bolts. The adjusting plate (16) is installed on the left side wall of the conveying ring (18). The adjusting plate (16) has a fixing groove. The locking bolt (17) is installed on the top right side of the connecting plate (15) and is located in the fixing groove.

5. A circumferential cutting device for automotive wiring harnesses as described in claim 1, characterized in that, The clamping and fixing assembly includes two connecting plates (24), a clamping ring (25), multiple T-shaped light rods (26), multiple clamping frames (27), multiple clamping wheels (28), and multiple springs (29). Two connecting plates (24) are symmetrically installed on the outer wall of the clamping ring (25). The two connecting plates (24) are bolted to the upper and lower ends of the left side wall of the ring seat (4). Multiple T-shaped light rods (26) are axially slidably installed on the clamping ring (25). A clamping frame (27) is installed at the end of the T-shaped light rod (26) away from the clamping ring (25). A clamping wheel (28) is rotatably installed on the clamping frame (27). A spring (29) is fitted on the outer wall of the T-shaped light rod (26). The two ends of the spring (29) are connected to the clamping frame (27) and the inner wall of the clamping ring (25), respectively.

6. A circumferential cutting device for automotive wiring harnesses as described in claim 3, characterized in that, It also includes multiple sets of reinforcing ribs (23), and reinforcing ribs (23) are fixedly installed between the outer wall of the electric telescopic rod (19) and the inner wall of the conveying ring (18).