High-voltage wire harness cutting mechanism
By combining gears, racks, and cutting saw blades, high-precision wire harness cutting was achieved, solving the problem of large errors caused by sensor judgment and reducing the defect rate and scrap rate.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANHUI YUEYANGDA NEW ENERGY TECH CO LTD
- Filing Date
- 2025-06-13
- Publication Date
- 2026-06-16
AI Technical Summary
The current method of cutting automotive wiring harnesses relies on sensors for determination, which is easily affected by external factors, resulting in large errors and increasing the defect rate and scrap rate.
It adopts a combination design of gears, racks, moving bars and cutting saw blades. The positioning bar is moved to the scale bar by gear meshing and roller rolling, which accurately controls the cutting position. Combined with the motor-driven cutting saw blade, it can achieve high-precision cutting.
It reduces cutting errors, decreases defect and scrap rates, and improves cutting accuracy and efficiency.
Smart Images

Figure CN224359294U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wire harness cutting technology, specifically a high-voltage wire harness cutting mechanism. Background Technology
[0002] High-voltage wiring harnesses are core electrical components in new energy vehicles (such as electric vehicles and hybrid vehicles), responsible for transmitting high voltage (typically hundreds of volts) and connecting key components such as power batteries, motor controllers, and charging systems. Their core function is to safely and efficiently conduct electrical energy while resisting extreme conditions such as high voltage, high temperature, and electromagnetic interference.
[0003] Currently, the cutting method for automotive wiring harnesses generally uses sensors to determine the location and cut the long wires accordingly. However, sensors are easily affected by external factors, resulting in a large error that is difficult to control, leading to an increase in the defect rate and scrap rate. Utility Model Content
[0004] The purpose of this utility model is to provide a high-voltage wire harness cutting mechanism to solve the problem mentioned in the background art that the current method of cutting automotive wire harnesses generally uses sensors to determine the location and cuts the long wires accordingly. However, sensors are easily affected by external factors, resulting in large errors and making it difficult to control the errors, leading to increased defect rates and scrap rates. To achieve the above objective, this utility model provides the following technical solution: a high-voltage wire harness cutting mechanism, including a frame, with a cutting assembly in the middle of the frame. The cutting assembly includes a motor, which is fixedly installed in the middle of the frame. A cutting saw blade is fixedly connected to the transmission end of the motor. An electric push rod is fixedly connected to the bottom of the motor, and a moving strip is fixedly connected to the bottom of the electric push rod. The moving strip extends to the left and right sides of the frame, and a support column is fixedly connected to the bottom of the moving strip. The support columns are symmetrically distributed to the bottom of the moving strip, and a second motor is fixedly connected to the bottom of the support column. The second motor is symmetrically distributed to the bottom of the support column, and a drive shaft is fixedly connected to the transmission end of the second motor. One end of the drive shaft is fixedly connected to the inside of the roller. The inside of the roller has a slot, and the roller is rotatably connected to the slot. An external gear is fixedly connected to the outside of the roller. The inside of the equipment frame is equipped with a scale assembly. The cutting assembly is configured according to the gear, rack, moving bar, motor, and cutting saw blade. The rack and the gear on the roller mesh and roll in the slide groove. As the roller rolls, it moves the positioning bar to the value to be cut on the scale bar. At the same time, the roller also moves the moving bar to the cutting position. When the motor starts, the cutting saw blade rotates along with the rotating shaft, cutting the wire harness at the required cutting distance. This cutting method has a small error, and each length is measured and cut by the machine, reducing the defect rate and scrap rate.
[0005] More preferably, the scale component includes a movable groove, which is opened horizontally on both sides of the equipment frame. A sliding groove is provided inside the movable groove, and a rack is fixedly connected to the bottom of the sliding groove. The rack is fixedly installed horizontally on the bottom of the sliding groove and meshes with a gear. A scale strip is fixedly installed on one side of the bottom of the movable groove, and a transmission component is provided at the bottom of the equipment frame. The scale component improves the accuracy of the cutting length and reduces errors.
[0006] More preferably, the transmission assembly includes fixed columns, which are symmetrically fixedly connected to the bottom of both sides of the equipment frame. Transmission columns are movably connected to both sides of the fixed columns. A support assembly is provided at the bottom of the equipment frame. The transmission assembly utilizes the rolling motion of the transmission columns to move the wire harness forward, reducing the workload of the workers and making cutting more convenient.
[0007] More preferably, the support assembly includes legs, which are fixedly connected to the bottom of the equipment frame in the front, back, left, and right directions. The bottom of the legs is fixedly connected to a base column. A conveying assembly is provided on the back of the equipment frame. The provision of the support assembly improves the stability of the equipment.
[0008] More preferably, the conveying assembly includes a baffle, one side of which is fixedly connected to the back of the equipment frame. An opening slot is provided in the middle of the baffle, and an automatic door is movably connected to the bottom of the opening slot. A conveyor ladder is fixedly connected to one side of the automatic door, and protective plates are fixedly connected to both sides of the conveyor ladder. With the conveying assembly, the cut wire harness does not need to be manually handled and can move to the next location with the conveyor ladder, avoiding dangers caused during transportation.
[0009] More preferably, a fixing component is provided on the inner side of the equipment frame. The fixing component includes a bracket, which is fixedly connected to the inner side of the equipment frame. The bracket is symmetrically distributed on both sides of the inner side of the equipment frame. An electric push rod is movably connected to the outer side of the bracket. A clamping block is fixedly connected to the outer side of the electric push rod. A switch is provided on the right side of the equipment frame, and a length adjuster is provided to the right of the switch. The fixing component reduces the instability of the equipment and improves the cutting speed and accuracy.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0011] In this invention, based on the arrangement of gears, racks, moving bars, motors, and cutting saw blades, the rack and rollers are meshed and connected by gears that roll in a groove. As the rollers roll, they drive the positioning bar to move to the value to be cut on the scale bar. At the same time, the rollers also drive the moving bar to the cutting position. When the motor starts, the cutting saw blade rotates along with the rotating shaft, cutting the wire harness at the required cutting distance. This cutting method has a small error, and each length is measured and cut by the machine, reducing the defect rate and scrap rate.
[0012] In this invention, the position of the wire harness to be cut can be initially determined by the movement of the fixed-length mechanism, and the position of the front end of the wire harness to be cut can be fixed, thereby accurately controlling the cutting length of the wire harness, and thus cutting wire harnesses of different lengths, realizing fixed-length cutting of multi-specification wire harnesses, which is convenient to use. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;
[0014] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;
[0015] Figure 3 This utility model Figure 2 Enlarged structural diagram of section A in the middle;
[0016] Figure 4 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 3 ;
[0017] Figure 5 This is a partial planar structural diagram of the present invention.
[0018] In the diagram: 1. Equipment frame; 2. Transmission assembly; 3. Scale assembly; 4. Cutting assembly; 5. Support assembly; 6. Conveying assembly; 7. Fixing assembly; 8. Switch; 9. Length adjuster; 201. Fixed column; 202. Transmission column; 301. Movable groove; 302. Slide groove; 303. Rack; 304. Scale bar; 401. Motor 1; 402. Cutting saw blade; 403. Electric push rod 1; 404. Moving bar; 405. Support column; 406. Motor 2; 407. Transmission shaft; 408. Groove; 409. Roller; 410. Gear; 501. Support leg; 502. Base column; 601. Baffle; 602. Opening groove; 603. Automatic door; 604. Conveyor ladder; 605. Protective plate; 701. Bracket; 702. Electric push rod 2; 703. Pressing block. Detailed Implementation
[0019] 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 skilled in the art without creative effort are within the scope of protection of the present utility model.
[0020] Please see Figure 1 - Figure 5This utility model provides a high-voltage wire harness cutting mechanism: It includes a device frame 1, a cutting assembly 4 disposed in the middle of the device frame 1, and a motor 401 fixedly installed in the middle of the device frame 1. A cutting saw blade 402 is fixedly connected to the transmission end of the motor 401. An electric push rod 403 is fixedly connected to the bottom of the motor 401, and a moving strip 404 is fixedly connected to the bottom of the electric push rod 403. The moving strip 404 extends to the left and right sides of the device frame 1 on both sides. A support column 405 is fixedly connected to the bottom of the moving strip 404, and the support columns 405 are symmetrically distributed to the bottom of the moving strip 404. A second motor 406 is fixedly connected to the bottom of the support column 405, and the second motor 406 is symmetrically distributed to the bottom of the support column 405. At the bottom, a drive shaft 407 is fixedly connected to the transmission end of the second motor 406. One end of the drive shaft 407 is fixedly connected to the inside of the roller 409. A slot 408 is opened inside the roller 409, and the roller 409 is rotatably connected to the slot 408. An external gear 410 is fixedly connected to the outside of the roller 409. A scale assembly 3 is provided inside the equipment frame 1. In use, the rack 303 and the gear 411 on the roller 410 mesh and roll in the slide groove 302. As the roller 410 rolls, it drives the positioning bar 414 to move to the value to be cut on the scale bar 304. At the same time, the roller 410 also drives the moving bar 407 to move to the cutting position. When the motor 401 is started, the cutting saw blade 404 rotates along with the rotation of the rotating shaft 403, and cuts the wire harness at the required cutting distance.
[0021] In this embodiment, as Figure 1 , Figure 2 and Figure 3 As shown, the scale assembly 3 includes a movable groove 301, which is opened horizontally on both sides of the equipment frame 1. A sliding groove 302 is provided inside the movable groove 301. A rack 303 is fixedly connected to the bottom of the sliding groove 302. The rack 303 is fixedly installed horizontally on the bottom of the sliding groove 302 and meshes with a gear 411. A scale bar 304 is fixedly installed on one side of the bottom of the movable groove 301. A transmission assembly 2 is provided at the bottom of the equipment frame 1. In use, the gear 409 on the outside of the roller 410 meshes with the rack 303 and rolls at the bottom of the sliding groove 302. While rolling, the positioning bar 414 stops on the scale bar 304 along the rolling distance, which improves the cutting accuracy.
[0022] In this embodiment, as Figure 1 , Figure 2 and Figure 4As shown, the transmission assembly 2 includes a fixed column 201, which is symmetrically fixedly connected to the bottom of both sides of the equipment frame 1. Transmission columns 202 are movably connected to both sides of the fixed column 201. A support assembly 5 is provided at the bottom of the equipment frame 1. In use, the transmission column 202 rolls, driving the wire harness to move forward.
[0023] In this embodiment, as Figure 1 , Figure 2 and Figure 4 As shown, the support component 5 includes a support leg 501, which is fixedly connected to the bottom of the equipment frame 1 in the front, back, left and right directions. The bottom of the support leg 501 is fixedly connected to the bottom column 502. A conveying component 6 is provided on the back of the equipment frame 1, which increases the stability of the equipment.
[0024] In this embodiment, as Figure 1 and Figure 4 As shown, the conveying assembly 6 includes a baffle 601. One side of the baffle 601 is fixedly connected to the back of the equipment frame 1. An opening slot 602 is provided in the middle of the baffle 601. An automatic door 603 is movably connected to the bottom of the opening slot 602. A conveyor ladder 604 is fixedly connected to one side of the automatic door 603. Protective plates 605 are fixedly connected to both sides of the conveyor ladder 604. The cut wire harness is transferred along the transmission column 202 to the conveyor ladder 603 and enters the next processing equipment.
[0025] In this embodiment, as Figure 1 , Figure 2 and Figure 4 As shown, a fixing component 7 is provided on the inner side of the equipment rack 1. The fixing component 7 includes a bracket 701, which is fixedly connected to the inner side of the equipment rack 1. The brackets 701 are symmetrically distributed on both sides of the inner side of the equipment rack. An electric push rod 702 is movably connected to the outer side of the bracket 701. A clamping block 703 is fixedly connected to the outer side of the electric push rod 702. A switch 8 is provided on the right side of the equipment rack 1. A length adjuster 9 is provided on the right side of the switch 8. In use, the two sides are clamped and fixed by the clamping block 703 when the electric push rod 702 extends and retracts, so that the wire harness is fixed on the transmission column 202.
[0026] The usage and advantages of this utility model: The working process of this high-voltage wire harness cutting mechanism is as follows:
[0027] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, during use, the operator first turns on the switch 8 of the equipment, then adjusts the length adjuster 9 to the required cutting length. The operator places the wire harness to be cut into the equipment's inlet, with the front end of the harness resting against the inside of the automatic door 603. Both sides are clamped and fixed by the telescopic clamping blocks 703 of the electric push rod 702. The wire harness moves forward as the drive column 201 rolls, reaching the required cutting distance. The motor 406 drives the drive shaft 407 to rotate within the roller 409, and the rack 303 and... The gear 410 meshes and rolls in the slide groove 302, and then the roller 409 rolls and drives the moving bar 407 to the cutting position. When the motor 401 is started, the cutting saw blade 403 rotates along with the transmission end of the motor 401. The electric push rod 403 extends and retracts to cut the wire harness at the place where cutting is needed. The cut wire harness moves along the transmission column 202 to the conveyor ladder 604. The automatic door 603 opens, and then the cut wire harness moves to the conveyor ladder 604 and enters the next processing equipment.
[0028] 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 preferred examples and are not intended to limit the 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. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A high voltage wiring harness trimming mechanism comprising a device rack (1), characterized in that: The middle part of the equipment rack (1) is provided with a cutting assembly (4), the cutting assembly (4) comprises a motor (401), the motor (401) is fixedly installed on the middle part of the equipment rack (1), the transmission end of the motor (401) is fixedly connected with a cutting saw blade (402), the bottom of the motor (401) is fixedly connected with an electric push rod (403), the bottom of the electric push rod (403) is fixedly connected with a moving strip (404), the left and right sides of the moving strip (404) extend to the left and right sides of the equipment rack (1), the bottom of the moving strip (404) is fixedly connected with a support column (405), the support column (405) is symmetrically distributed to the bottom of the moving strip (404), the bottom of the support column (405) is fixedly connected with a motor (406), the motor (406) is symmetrically distributed to the bottom of the support column (405), the transmission end of the motor (406) is fixedly connected with a transmission shaft (407), one end of the transmission shaft (407) is fixedly connected in the inside of a roller (409), the inside of the roller (409) is provided with a notch (408), the roller (409) is rotatably connected with the notch (408), the outside of the roller (409) is fixedly connected with an external gear (410), the inside of the equipment rack (1) is provided with a scale assembly (3).
2. The high-voltage wire harness trimming mechanism according to claim 1, characterized by: The scale assembly (3) comprises a movable groove (301), the movable groove (301) is parallelly arranged on the both sides of the equipment rack (1), the inside of the movable groove (301) is provided with a sliding groove (302), the bottom of the sliding groove (302) is fixedly connected with a rack (303), the rack (303) is fixedly installed on the bottom of the sliding groove (302), the rack (303) is meshingly connected with the gear (410), one side of the bottom of the movable groove (301) is fixedly installed with a scale bar (304), the bottom of the equipment rack (1) is provided with a transmission assembly (2).
3. The high voltage wire harness trimming mechanism of claim 2, wherein: The transmission assembly (2) comprises a fixed column (201), the fixed column (201) is symmetrically fixedly connected on the both sides of the bottom of the equipment rack (1), the both sides of the fixed column (201) are movably connected with a transmission column (202), the bottom of the equipment rack (1) is provided with a support assembly (5).
4. The high voltage wire harness trimming mechanism of claim 3, wherein: The support assembly (5) comprises a supporting leg (501), the supporting leg (501) is fixedly connected on the bottom of the equipment rack (1), the bottom of the supporting leg (501) is fixedly connected with a bottom column (502), the back of the equipment rack (1) is provided with a conveying assembly (6).
5. A high voltage wiring harness trimming mechanism according to claim 4, wherein: The conveying assembly (6) comprises a baffle (601), one side of the baffle (601) is fixedly connected with the back of the equipment rack (1), the middle part of the baffle (601) is provided with an opening slot (602), the bottom of the opening slot (602) is movably connected with an automatic door (603), one side of the automatic door (603) is fixedly connected with a conveying ladder (604), the both sides of the conveying ladder (604) are fixedly connected with a protection plate (605).
6. The high voltage wire harness trimming mechanism of claim 1, wherein: The inner side of the equipment rack (1) is provided with a fixing assembly (7), the fixing assembly (7) comprises a support (701), the support (701) is fixedly connected to the inner side of the equipment rack (1), the support (701) is symmetrically distributed on both sides of the inside of the equipment rack (1), the outer side of the support (701) is movably connected with a second electric push rod (702), the outer side of the second electric push rod (702) is fixedly connected with a pressing block (703), the right side of the equipment rack (1) is provided with a switch (8), and the right side of the switch (8) is provided with a length adjuster (9).