Wire harness cutting device for automobile wire harness production

Abstract

The utility model belongs to the field of automobile wire harness production, and particularly relates to a wire harness cutting device for automobile wire harness production, which comprises a workbench, a protective groove is formed in the center of the top of the workbench, and left-right through first placing grooves are formed in the centers of the left side and the right side in the protective groove; a second placing groove is formed in the center of the lower surface of the interior of the first placing groove, supporting columns are fixedly connected to the centers of the front surface and the rear surface of the workbench, third inner grooves are formed in the centers of the interiors of the supporting columns, and electric push rods are fixedly installed on the lower surfaces of the interiors of the third inner grooves; a front-back penetrating type penetrating groove is formed in the upper portion of the side, close to the center of the interior of the protection groove, of the interior of the third inner groove. And the cutter in the mounting groove in the bottom of the mounting plate can be conveniently detached, replaced and remounted in time through the detaching assembly, and the device is convenient to detach and replace the cutter, so that the device is convenient to use and high in practicability.

Description

Technical Field

[0001] This utility model relates to the field of automotive wiring harness production, specifically a wiring harness cutting device for automotive wiring harness production. Background Technology

[0002] Automotive wiring harnesses are the core of a vehicle's electrical network; without them, there is no automotive electrical system. A wiring harness is an assembly consisting of copper-plated contact terminals crimped to electrical wires and cables, then covered with a molded insulator or an outer metal casing, and bundled together to form a connected circuit. Furthermore, automotive wiring harnesses require cutting during their manufacturing process.

[0003] However, most existing wire harness cutting devices are inconvenient to disassemble and replace the cutter during use, and it is also inconvenient to replace the cutter in a timely manner when it is damaged after a period of use, which makes the device less practical. Therefore, in order to solve the above problems, a wire harness cutting device for automotive wire harness production is proposed. Utility Model Content

[0004] To overcome the shortcomings of existing technologies and solve the problem of inconvenience in disassembling and replacing the cutter, this utility model proposes a wire harness cutting device for automotive wire harness production.

[0005] The technical solution adopted by this utility model to solve its technical problem is as follows: A wire harness cutting device for automotive wire harness production, as described in this utility model, includes a workbench. A protective groove is formed at the center of the top of the workbench. A through-type placement groove 1 is formed at the center of both the left and right sides inside the protective groove. A placement groove 2 is formed at the center of the lower surface inside the placement groove 1. Support columns are fixedly connected to the centers of the front and rear surfaces of the workbench. An inner groove 3 is formed at the center of the support column. An electric push rod is fixedly installed on the lower surface inside the inner groove 3. A through-type front-to-back through-groove is formed above the side of the inner groove 3 closest to the center of the protective groove. A guide plate is fixedly connected to the top of the electric push rod. The guide plate passes through the through groove on one side near the center of the protective groove and is fixedly connected to a mounting plate. The bottom of the mounting plate has a left-right through mounting groove. A disassembly assembly is provided inside the mounting plate. A cutter is installed inside the mounting groove through the disassembly assembly. Limiting assemblies are provided above the center of both sides of the mounting plate. When the cutter cuts the wire harness, the limiting assemblies limit the wire harness, making the cutting more stable and improving the performance of the device. At the same time, the cutter can be replaced through the disassembly assembly when it is damaged, making the device easy to disassemble and replace the cutter.

[0006] Preferably, the disassembly assembly includes two inner grooves, the upper surfaces of which communicate with the outside. The two inner grooves are respectively located at the front and rear of the mounting plate. Each inner groove has a sliding groove on its opposite side, with a slider slidably connected inside the groove. A spring is fixedly connected between the top of the slider and the upper surface of the groove. Pull plates are fixedly connected to the opposite sides of the two sliders, with the tops of the pull plates penetrating the upper surfaces of the two inner grooves and jointly fixedly connected to a handle. A pressing block is fixedly connected below the opposite sides of the two pull plates. The inner grooves also have openings on their adjacent sides corresponding to the mounting plate positions. The cutter has a through groove, and a mounting rod is slidably connected inside the through groove. The end of the mounting rod is fixedly connected to a connecting block inside the inner groove, and the connecting block is in contact with the side opposite to the extrusion block. Mounting holes are opened on both the front and rear surfaces of the cutter, and one end of the mounting rod near the center of the mounting groove is inserted into the mounting hole. A second spring is sleeved on the outer surface of the mounting rod inside the through groove. One end of the second spring near the center of the mounting groove is fixedly connected to the outer surface of the mounting rod, and the other end of the second spring away from the center of the mounting groove is fixedly connected to the inner sidewall of the through groove. Pulling the handle allows the cutter to be disassembled, which facilitates the disassembly, replacement, and reinstallation of the cutter.

[0007] Preferably, the outer surface of the extrusion block and the outer surface of the connecting block are both arc-shaped, and the opposite side of the extrusion block and the connecting block are both set as vertical fitting sections, which facilitates the extrusion block to extrude the connecting block and facilitates the fitting after extrusion.

[0008] Preferably, the limiting component includes a connecting plate, and the side of the connecting plate near the center of the protective groove is fixedly connected to the upper side of the mounting plate. A fixing rod is fixedly connected to the side of the connecting plate away from the center of the protective groove. An inner groove II is formed at the center of the fixing rod, and the lower surface of the inner groove II communicates with the outside. A sliding plate is slidably connected inside the inner groove II. A spring III is fixedly connected between the top of the sliding plate and the upper surface of the inner groove II. A pressing rod is fixedly connected to the bottom of the sliding plate. A clamping plate is fixedly connected to the bottom end of the pressing rod. A left-right through clamping groove is formed at the center of the bottom of the clamping plate. A clamping pad is fixedly connected to the inner side wall of the clamping groove. The clamping plate and the clamping pad compress, clamp, and limit the wire harness when it is cut by the cutter.

[0009] Preferably, both the clamping groove and the clamping pad are arc-shaped, and the clamping pad is made of rubber material, which facilitates clamping the wire harness and ensures stable clamping.

[0010] Preferably, the bottom of the clamping plate and the bottom of the clamping pad are aligned with the inside of the placement groove, so that the clamping plate and the clamping pad can fall down and clamp the wire harness accordingly.

[0011] Preferably, the interior of the placement groove two is arc-shaped, and the bottom of the cutter corresponds to the interior of the protective groove, which facilitates the placement of the wire harness inside the placement groove two and makes it easy for the cutter to remain inside the protective groove after cutting.

[0012] The advantages of this utility model are:

[0013] 1. This utility model facilitates the timely disassembly, replacement, and reinstallation of the cutter inside the mounting groove at the bottom of the mounting plate by disassembling the components, and makes the device easy to disassemble and replace the cutter, thus making the device convenient to use and highly practical.

[0014] 2. This utility model uses a limiting component to squeeze and clamp the wire harness when the cutter cuts it, ensuring that the wire harness remains horizontal and straight when being cut, thereby avoiding affecting the cutting effect and making the device more effective. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure in Example 1;

[0017] Figure 2 This is a schematic diagram of a partial left cross-section of the structure in Example 1;

[0018] Figure 3 As in Example 1 Figure 2 Enlarged structural diagram at point A in the middle;

[0019] Figure 4 This is a schematic diagram of the left cross-section of the limiting component in Embodiment 1;

[0020] Figure 5 This is a schematic diagram of the placement box structure in Example 2.

[0021] In the diagram: 1. Workbench; 2. Placement slot one; 3. Support column; 4. Mounting plate; 5. Disassembly assembly; 501. Slide groove; 502. Spring one; 503. Slider; 504. Pull plate; 505. Inner groove one; 506. Handle plate; 507. Extrusion block; 508. Connecting block; 509. Mounting rod; 510. Through groove; 511. Spring two; 512. Mounting hole; 6. Mounting groove; 7. Cutter; 8. Limiting assembly; 801. Fixing rod; 802. Inner groove two; 803. Spring three; 804. Sliding plate; 805. Extrusion rod; 806. Clamping plate; 807. Clamping pad; 808. Clamping groove; 809. Connecting plate; 9. Placement slot two; 10. Electric push rod; 11. Inner groove three; 12. Through groove; 13. Guide plate; 14. Protective groove; 15. Placement box. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example 1

[0024] Please see Figure 1-4As shown, a wire harness cutting device for automotive wire harness production includes a workbench 1. A protective groove 14 is formed at the center of the top of the workbench 1. A through-type placement groove 2 is formed at the center of both the left and right sides inside the protective groove 14. A placement groove 9 is formed at the center of the lower surface inside the placement groove 2. Support columns 3 are fixedly connected to the centers of the front and rear surfaces of the workbench 1. An inner groove 3 11 is formed at the center of the support column 3. An electric push rod 10 is fixedly installed on the lower surface inside the inner groove 3 11. A through-type through groove 12 is formed above the side of the inner groove 3 11 closest to the center of the protective groove 14. A guide plate 13 is fixedly connected to the top of the push rod 10. The guide plate 13 passes through the through groove 12 on one side near the center of the protective groove 14 and is fixedly connected to a mounting plate 4. The bottom of the mounting plate 4 has a left-right through mounting groove 6. A disassembly component 5 is provided inside the mounting plate 4. A cutter 7 is installed inside the mounting groove 6 through the disassembly component 5. Limiting components 8 are provided above the center of both the left and right sides of the mounting plate 4. During operation, the bottom of the workbench 1 is first placed against a flat ground to make the workbench 1 stable. After the workbench 1 is stable, the wire harness to be cut is placed in the placement groove 2 on the workbench 1. The wire harness is placed in the second placement slot 9, and then placed in a horizontal and straight position. The electric push rod 10 is then connected to an external power source, energizing it to begin operation. The electric push rod 10 then moves the guide plate 13, which in turn moves the mounting plate 4 and the cutter 7. The cutter 7 then moves the limiting component 8, which clamps and squeezes the wire harness inside the first placement slot 2, keeping it stable and horizontal. As the mounting plate 4 continues to move, the cutter 7 falls and cuts the wire harness. After cutting, the cutter 7 is located inside the protective slot 14, and the electric push rod 10 cuts... The device stops working when the cutting is completed, and after cutting, it drives the mounting plate 4 to rise until the next cutting. When the cutter 7 is damaged after a period of use, it can be disassembled, replaced, and reinstalled via the disassembly component 5. Therefore, the disassembly component 5 facilitates timely disassembly, replacement, and reinstallation of the cutter 7 inside the mounting groove 6 at the bottom of the mounting plate 4, making the device easy to disassemble and replace, thus making it convenient and practical. Simultaneously, the limiting component 8 squeezes and clamps the wire harness when the cutter 7 cuts it, keeping the wire harness horizontal and straight when cut, thus avoiding affecting the cutting effect and improving the device's performance.

[0025] The disassembly assembly 5 includes two inner grooves 505, with the upper surface of each inner groove 505 communicating with the outside. The two inner grooves 505 are respectively located at the front and rear of the mounting plate 4. Each inner groove 505 has a sliding groove 501 on its opposite side. A slider 503 is slidably connected inside the sliding groove 501. A spring 502 is fixedly connected between the top of the slider 503 and the upper surface of the sliding groove 501. Pull plates 504 are fixedly connected to opposite sides of the two sliders 503. The tops of the two pull plates 504 penetrate the upper surface of the two inner grooves 505 and are jointly fixedly connected to a handle 506. A pressing block 507 is fixedly connected to the lower part of the opposite side of the two pull plates 504. The inner grooves 505 are located on opposite sides of the sliding grooves 505. Each side of the mounting plate 4 has a through groove 510. A mounting rod 509 is slidably connected inside the through groove 510. A connecting block 508 is fixedly connected to the end of the mounting rod 509 inside the inner groove 505. The connecting block 508 is in contact with the side opposite to the extrusion block 507. Mounting holes 512 are provided on both the front and rear surfaces of the cutter 7. One end of the mounting rod 509 near the center of the mounting groove 6 is inserted into the mounting hole 512. A spring 511 is sleeved on the outer surface of the mounting rod 509 inside the through groove 510. One end of the spring 511 near the center of the mounting groove 6 is fixedly connected to the outer surface of the mounting rod 509. The other end of the spring 511 away from the center of the mounting groove 6 is fixedly connected to the inner wall of the through groove 510.During operation, moving the handle plate 506 causes both pull plates 504 to move simultaneously. The pull plates 504 move within the sliding groove 501 via the slider 503, which limits their movement. As the slider 503 slides, it compresses the first spring 502, giving it a rebound force. Then, the pull plate 504 moves, causing the pressing block 507 to move and disengage from the pressing and contacting block 508. After the connecting block 508 is released from compression, it moves under the rebound force of the previously compressed second spring 511. This rebound force of the second spring 511 then moves the mounting rod 509, causing it to move. The mounting rod 509 then moves out of the mounting hole 512. The internal limiting installation of the cutter 7 is removed, allowing the cutter 7 to be removed from the mounting slot 6. When reinstalling, the cutter 7 is first inserted into the mounting slot 6, ensuring the mounting hole 512 aligns with the mounting rod 509. Before insertion, the handle 506 is pulled to retract the mounting rod 509 into the through slot 510. Then, when the cutter 7 is inserted into the mounting slot 6, the handle 506 is released, causing the pull plate 504 to move under the rebound force of spring 502. This causes the pressing block 507 to press against the connecting block 508, the mounting rod 509, and spring 511, allowing the mounting rod 509 to be inserted into the mounting hole 512 for the cutter 7 to be installed. This facilitates the removal, replacement, and reinstallation of the cutter 7.

[0026] The outer surface of the extrusion block 507 and the outer surface of the connecting block 508 are both set in an arc shape, and the opposite side of the extrusion block 507 and the connecting block 508 are both set in a vertical fitting section; during operation, it is convenient for the extrusion block 507 to extrude the connecting block 508, and it is convenient for the extrusion block 507 to fit into the connecting block 508 after extruding it.

[0027] The limiting component 8 includes a connecting plate 809, and the side of the connecting plate 809 near the center of the protective groove 14 is fixedly connected to the upper side of the mounting plate 4. A fixing rod 801 is fixedly connected to the side of the connecting plate 809 away from the center of the protective groove 14. An inner groove 802 is formed at the center of the fixing rod 801, and the lower surface of the inner groove 802 communicates with the outside. A sliding plate 804 is slidably connected inside the inner groove 802. A spring 803 is fixedly connected between the top of the sliding plate 804 and the upper surface of the inner groove 802. A pressing rod 805 is fixedly connected to the bottom of the sliding plate 804. A clamping plate 806 is fixedly connected to the bottom end of the pressing rod 805. A left-right through clamping structure is formed at the center of the bottom of the clamping plate 806. The clamping groove 808 has a clamping pad 807 fixedly connected to its inner sidewall. During operation, the clamping pad 807 moves to fit against the outer surface of the wire harness as the mounting plate 4 moves downward. As the mounting plate 4 continues to move downward, the pressing rod 805 at the top of the clamping plate 806 moves. After the pressing rod 805 moves, it presses the sliding plate 804 to slide inside the inner groove 802. After the sliding plate 804 slides, it presses the spring 803, giving the spring 803 a rebound force. Under the action of the rebound force of the spring 803, the pressing rod 805, the clamping plate 806, and the clamping pad 807 clamp the wire harness. At the same time, as the mounting plate 4 moves upward after the cutting is completed, the clamping plate 806 and the clamping pad 807 will rise again with the movement of the mounting plate 4, waiting for the next use.

[0028] Both the clamping groove 808 and the clamping pad 807 are arc-shaped, and the clamping pad 807 is made of rubber. During operation, the clamping plate 806 moves downward, which facilitates the clamping pad 807 inside the arc-shaped clamping groove 808 to clamp the wire harness. The rubber clamping pad 807 has a good anti-slip effect and makes the clamping plate 806 and the clamping pad 807 clamp the wire harness firmly.

[0029] The bottom of the clamping plate 806 and the bottom of the clamping pad 807 are both aligned with the inside of the placement groove 2; during operation, this facilitates the clamping plate 806 and the clamping pad 807 to enter the placement groove 2 to clamp the wire harness when they fall down.

[0030] The placement groove 2 9 is arc-shaped inside, and the bottom of the cutter 7 corresponds to the inside of the protective groove 14. During operation, it is convenient for the bottom of the wire harness to be placed inside the placement groove 2 9, and it is convenient for the cutter 7 to fall into the protective groove 14, thus avoiding contact and damage with the workbench 1 surface.

[0031] Example 2

[0032] Please see Figure 5As shown in the first embodiment, as another implementation of this utility model, a placement box 15 is fixedly connected to the rear of the left and right sides of the top of the workbench 1; during operation, the cut wire bundle can be placed inside the placement box 15.

[0033] Working principle: First, the bottom of the workbench 1 is placed against a flat ground to ensure stability. After the workbench 1 is stable, the wire harness to be cut is placed in the placement slot 9 inside the placement slot 2 on the workbench 1. The wire harness is then placed horizontally and vertically. The electric push rod 10 is then connected to an external power source to begin operation. The electric push rod 10 moves the guide plate 13, which in turn moves the mounting plate 4 and the cutter 7. Then, the clamping pad 807 moves to contact the outer surface of the wire harness as the mounting plate 4 moves downwards. As the mounting plate 4 continues to move downwards, the pressing rod 805 at the top of the clamping plate 806 moves, and then the wire harness is cut... After the pressure rod 805 moves, it squeezes the sliding plate 804 to slide inside the inner groove 802. The sliding plate 804, after sliding, squeezes the spring 803, giving the spring 803 a rebound force. Under the action of the spring 803's rebound force, the pressure rod 805, clamping plate 806, and clamping pad 807 squeeze and clamp the wire harness. Simultaneously, as the installation plate 4 moves upward after cutting, the clamping plate 806 and clamping pad 807 rise with the installation plate 4, waiting for the next use. The clamping plate 806 and clamping pad 807 squeeze and clamp the wire harness inside the placement groove 2, keeping it in a stable, horizontal position. As the installation plate 4 continues to move, the cutter 7 falls to cut the wire harness, and then... The rear cutter 7 is located inside the protective groove 14, and the electric push rod 10 stops working during cutting and resumes working after cutting to drive the mounting plate 4 to rise until the next cutting. Simultaneously, when changing the cutter 7, the handle plate 506 moves, causing the two pull plates 504 to move. The pull plates 504 move under the limitation of sliding within the slide groove 501 via the slider 503, and when the slider 503 slides, it compresses the first spring 502, giving it a rebound force. Then, after the pull plates 504 move, they drive the pressing block 507 to move and disengage from the pressing and contacting of the connecting block 508. After the connecting block 508 is disengaged from the pressing, it moves under the action of the rebound force of the previously compressed second spring 511, and moves through the spring 511... The rebound force causes the mounting rod 509 to move, and then the mounting rod 509 moves out of the mounting hole 512. The restriction on the cutter 7 by the mounting rod 509 disappears after it moves out of the mounting hole 512, allowing the cutter 7 to be removed from the mounting groove 6. When reinstalling, the cutter 7 is first inserted into the mounting groove 6, ensuring the mounting hole 512 aligns with the mounting rod 509. Before insertion, the handle plate 506 is pulled, causing the mounting rod 509 to retract into the through groove 510. Then, when the cutter 7 is inserted into the mounting groove 6, the handle plate 506 is released, causing the pull plate 504 to move under the rebound force of spring 502. This causes the pressing block 507 to press against the connecting block 508, the mounting rod 509, and spring 511.This allows the mounting rod 509 to be inserted into the mounting hole 512 for installing the cutter 7, and also facilitates the removal, replacement, and reinstallation of the cutter 7.

[0034] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A wire harness cutting device for automotive wire harness production, characterized in that: The workbench (1) includes a protective groove (14) at the center of its top. A through-type placement groove (2) is provided at the center of both the left and right sides inside the protective groove (14). A placement groove (9) is provided at the center of the lower surface inside the placement groove (2). Support columns (3) are fixedly connected to the centers of the front and rear surfaces of the workbench (1). An inner groove (11) is provided at the center of the support column (3). An electric push rod (10) is fixedly installed on the lower surface inside the inner groove (11). The inner groove (11) is located near the center of the protective groove (14). A through slot (12) is provided on the upper side of one side. A guide plate (13) is fixedly connected to the top of the electric push rod (10). The guide plate (13) passes through the through slot (12) on the side near the center of the protective groove (14) and is fixedly connected to a mounting plate (4). A through mounting slot (6) is provided at the bottom of the mounting plate (4). A disassembly assembly (5) is provided inside the mounting plate (4). A cutter (7) is installed inside the mounting slot (6) through the disassembly assembly (5). Limiting components (8) are provided above the center of both the left and right sides of the mounting plate (4).

2. The wire harness cutting device for automotive wire harness production according to claim 1, characterized in that: The disassembly assembly (5) includes two inner grooves (505), and the upper surface of the inner grooves (505) is connected to the outside. The two inner grooves (505) are respectively opened in front and behind the mounting plate (4). A sliding groove (501) is opened on the side of the two inner grooves (505) that is far apart from each other. A slider (503) is slidably connected inside the sliding groove (501). A spring (502) is fixedly connected between the top of the slider (503) and the upper surface of the inner groove (501). A pull plate (504) is fixedly connected on the opposite side of the two sliders (503). The top of the two pull plates (504) respectively penetrates the upper surface of the inner grooves (505) and is fixedly connected to a handle plate (506). A pressing block (507) is fixedly connected below the opposite side of the two pull plates (504). The sides of the two inner grooves (505) that are close to each other correspond to... The mounting plate (4) is provided with a through groove (510) at each position. A mounting rod (509) is slidably connected inside the through groove (510). The end of the mounting rod (509) is fixedly connected to a connecting block (508) inside the inner groove (505). The connecting block (508) is in contact with the side opposite to the extrusion block (507). The front and rear surfaces of the cutter (7) are provided with mounting holes (512). The end of the mounting rod (509) near the center of the mounting groove (6) is inserted into the mounting hole (512). The outer surface of the mounting rod (509) is fitted with a spring (511) inside the through groove (510). The end of the spring (511) near the center of the mounting groove (6) is fixedly connected to the outer surface of the mounting rod (509). The end of the spring (511) away from the center of the mounting groove (6) is fixedly connected to the inner wall of the through groove (510).

3. The wire harness cutting device for automotive wire harness production according to claim 2, characterized in that: The outer surface of the extrusion block (507) and the outer surface of the connecting block (508) are both set in an arc shape, and the opposite side of the extrusion block (507) and the connecting block (508) are both set in a vertical fitting section.

4. The wire harness cutting device for automotive wire harness production according to claim 3, characterized in that: The limiting component (8) includes a connecting plate (809), and the side of the connecting plate (809) near the center of the protective groove (14) is fixedly connected to the upper side of the mounting plate (4). A fixing rod (801) is fixedly connected to the side of the connecting plate (809) away from the center of the protective groove (14). An inner groove (802) is provided at the center of the fixing rod (801), and the lower surface of the inner groove (802) communicates with the outside. A sliding plate (804) is slidably connected inside. A spring (803) is fixedly connected between the top of the sliding plate (804) and the upper surface of the inner groove (802). A pressing rod (805) is fixedly connected to the bottom of the sliding plate (804). A clamping plate (806) is fixedly connected to the bottom end of the pressing rod (805). A left-right through clamping groove (808) is opened at the center of the bottom of the clamping plate (806). A clamping pad (807) is fixedly connected to the inner side wall of the clamping groove (808).

5. A wire harness cutting device for automotive wire harness production according to claim 4, characterized in that: Both the clamping groove (808) and the clamping pad (807) are arc-shaped, and the clamping pad (807) is made of rubber.

6. A wire harness cutting device for automotive wire harness production according to claim 5, characterized in that: The bottom of the clamping plate (806) and the bottom of the clamping pad (807) are both aligned with the inside of the placement groove (2).

7. A wire harness cutting device for automotive wire harness production according to claim 6, characterized in that: The placement groove 2 (9) is set in an arc shape, and the bottom of the cutter (7) corresponds to the inside of the protective groove (14).

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