A cutting device for automobile wire harness production and processing and a use method thereof
By designing a straightening mechanism and wire assembly with multiple rotatable and replaceable straightening blocks, the problems of high cost and low efficiency in wire harness processing in the prior art are solved, realizing efficient straightening and automated cutting of multiple cables and improving production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- 立讯精密工业(安徽)有限公司
- Filing Date
- 2024-12-03
- Publication Date
- 2026-07-14
Smart Images

Figure CN119567339B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of automotive wiring harnesses, and more specifically, to a cutting device for automotive wiring harness production and processing, and a method for using the same. Background Technology
[0002] Automotive wiring harnesses are the main network of automotive circuits; without wiring harnesses, there would be no automotive circuits. A wiring harness is an assembly that connects circuits by crimping copper contact terminals (connectors) to wires and cables, then molding an insulator or adding a metal shell, and finally bundling the wires together.
[0003] Therefore, during the production and processing of automotive wiring harnesses, it is often necessary to cut the raw cables according to requirements. Since the production and packaging of cables are usually done in bundles, the cables are straightened before cutting to facilitate subsequent storage and use. This ensures that the cut cables remain straight and makes it easier to strip the insulation and crimp the terminals. However, in the current technology, different types of cables are selected for different car models and different parts. These cables have different thicknesses and specifications, which places different requirements on the straightening machinery. Moreover, the existing straightening often involves straightening a single cable and then cutting it to a fixed length. This does not meet the rapid processing requirements of current assembly line factories. Furthermore, because different cables require different straightening machinery, various types of different straightening machines are still selected, thereby increasing the actual processing cost.
[0004] No effective solutions have yet been proposed to address the problems in the relevant technologies. Summary of the Invention
[0005] The purpose of this invention is to provide a cutting device and its method for use in the production and processing of automotive wiring harnesses, so as to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, the present invention provides the following technical solution:
[0007] A cutting device for automotive wiring harness production includes a platform with legs mounted on its bottom and an outer cover mounted on its top. A straightening mechanism is located inside the outer cover. A wire assembly and a cutting assembly are also mounted on the top of the platform. A junction box is located at the center of the top of the platform, extending along its length. A vertical plate is fixedly mounted on the top of the platform away from the outer cover. A fixed seat is fixedly mounted on the top of the outer cover, directly opposite the vertical plate. A crossbar is fixedly mounted between the fixed seat and the vertical plate. A wire pulling mechanism is slidably mounted on the crossbar. The straightening mechanism includes a support column fixedly mounted on the top of the platform, with the top end of the support column... A horizontal bar is fixedly installed along the width of the platform. There are two horizontal bars. A bearing seat is fixedly installed on the top of the horizontal bar. A straightening component is rotatably installed between the two opposing bearing seats. The wire pulling mechanism includes a horizontal sliding plate. An assembly seat is fixedly installed on the top of the horizontal sliding plate. A movable sleeve is installed through the inside of the assembly seat. The movable sleeve is slidably fitted on the outside of the horizontal bar. An adjusting plate is provided directly below the horizontal sliding plate. Several movable blocks are also provided between the adjusting plate and the horizontal sliding plate. A lifting frame is fixedly installed at the bottom of the end of the movable block facing the wire assembly. A wire clamp is fixedly installed at the bottom end of the lifting frame.
[0008] Furthermore, the straightening assembly includes a hollow column, with a first hollow shaft and a second hollow shaft integrally connected to both ends of the hollow column. A guide wire head is fixedly installed at the end of both the first and second hollow shafts away from the hollow column. A first driven pulley is also fixedly installed on the second hollow shaft. An assembly hole is provided on the hollow column, perpendicular to the length direction of the hollow column. A straightening block is fixedly installed inside the assembly hole. The straightening block has a straightening hole penetrating its body. Locking bolts are installed at both ends of the assembly hole. When the straightening block is installed inside the assembly hole, the straightening hole is coaxial with the hollow column. An observation hole is also provided on the outer wall of the hollow column, located between two adjacent assembly holes, with the length direction of the observation hole perpendicular to the length direction of the assembly hole.
[0009] Furthermore, a wire guide sleeve is rotatably installed inside the wire head. The wire guide sleeve is coaxially arranged with the hollow column. The first driven pulleys on two adjacent second hollow shafts are connected by a first transmission belt. A first motor is fixedly installed on the bottom of the platform near the outer cover. A first driving pulley is fixedly installed at the end of the output shaft of the first motor. The first driving pulley is connected to the outermost first driven pulley through a second transmission belt. A second strip-shaped hole for the second transmission belt is also provided on the platform.
[0010] Furthermore, a guide rail is fixedly installed on the top of the platform along its width direction. The wire assembly includes a movable seat, a guide block is fixedly installed on the bottom of the movable seat, the guide block is slidably disposed on the guide rail, a base is fixedly installed on the top of the movable seat, a base frame is rotatably installed at the top center of the base via a first bearing, a cam is rotatably installed on the base frame, uprights are fixedly installed through the four corners of the base, a top seat is fixedly installed at the top end of the uprights, a top frame is rotatably installed at the bottom center of the top seat via a second bearing, and a concave wheel is rotatably installed at the bottom of the top frame.
[0011] Furthermore, the cutting assembly includes a support rod fixedly installed on the top of the platform. A support plate is fixedly installed at the top end of the support rod. The support plate is located on the side of the wire assembly away from the straightening mechanism. A fixing frame is fixedly installed at the top end of the support plate. A hydraulic cylinder is fixedly installed at the top of the fixing frame. A lifting plate is provided inside the fixing frame. The output shaft of the hydraulic cylinder passes through the top of the fixing frame and connects to the top of the lifting plate. A cutter is fixedly installed at the bottom of the lifting plate away from the wire assembly. A vertical rod is provided through the lifting plate near both ends. A limit nut is fixedly installed at the top of the vertical rod. A pressure plate is fixedly installed at the bottom end of the vertical rod. The pressure plate is located near the wire assembly. A spring is also sleeved on the outside of the vertical rod. The spring is located between the pressure plate and the lifting plate. When neither the pressure plate nor the cutter is in contact with the support plate, the distance between the pressure plate and the support plate is less than the distance between the cutter and the support plate.
[0012] Furthermore, a connecting bolt is fixedly installed on one side of the movable seat, and a first strip-shaped hole is also opened on the platform. An adjustment mechanism is fixedly installed at the bottom of the platform. The adjustment mechanism includes a fixed plate fixedly installed at the bottom of the platform. The fixed plate is arranged along the width direction of the platform. Protrusions are fixedly installed at the bottom of both ends of the fixed plate along its length direction. A guide rod is fixedly installed between two protrusions. Several adjustment blocks are also provided between two protrusions. The number of adjustment blocks is equal to the number of wire assemblies. The adjustment block located in the middle is fixedly installed in the middle of the guide rod through a fixed sleeve. The other adjustment blocks are slidably installed on the guide rod through sliding sleeves. A folding frame is also provided below the fixed plate. The top of the folding frame is connected to the adjustment block, and each hinge point of the folding frame is respectively installed at the bottom of each adjustment block. A connecting frame is fixedly installed at the top of the end of the adjustment block facing the first strip-shaped hole. The top of the connecting frame passes through the first strip-shaped hole and is fixedly connected to the connecting bolt. A telescopic cylinder is also installed at the bottom of the fixed plate. The output shaft end of the telescopic cylinder is fixedly connected to any one of the adjustment blocks located on the outermost side.
[0013] Furthermore, an extension plate is fixedly installed on one side of the platform along its length direction. A second motor is fixedly installed at one end of the extension plate, and a second drive pulley is fixedly installed at the output shaft end of the second motor. An extension frame is fixedly installed at the other end of the extension plate, and a second driven pulley is rotatably installed on the outer side of the extension frame. The second drive pulley and the second driven pulley are connected by a third transmission belt. A lifting rod is fixedly installed at the bottom of one end of the transverse plate, and the bottom end of the lifting rod is connected to the third transmission belt.
[0014] Furthermore, the bottom of the transverse plate is symmetrically equipped with side strips, and the bottom of the side strips is fixedly equipped with a first slide rail. The top two ends of the adjusting plate are fixedly equipped with first slide blocks, which slide on the first slide rail. The bottom center of the transverse plate is fixedly equipped with a second slide rail, which is perpendicular to the first slide rail. The top of the moving block is fixedly equipped with a second slide block, which slides on the first slide rail. The adjusting plate is also provided with a plurality of third strip-shaped holes, which are arranged in a radiating pattern. The bottom of the moving block is fixedly equipped with a guide post, which slides within the third strip-shaped holes.
[0015] Furthermore, a screw sleeve is fixedly installed on one side of the bottom of the adjusting plate, and vertical blocks are fixedly installed at both ends of the bottom of the side strip plate near the screw sleeve. A lead screw is rotatably installed between the two vertical blocks, and the screw sleeve is screwed to the outside of the lead screw. A third motor is fixedly installed at the bottom of the transverse plate, and a third driving pulley is fixedly installed at the end of the output shaft of the third motor. A third driven pulley is fixedly installed at the end of the lead screw, and the third driving pulley and the third driven pulley are connected by a fourth transmission belt.
[0016] A method of using the above-mentioned cutting device for manufacturing automotive wiring harnesses includes the following steps:
[0017] S1. Pass the cable to be cut through the straightening assembly and the conductor assembly in sequence, and adjust the position of the cable pulling mechanism. Use the clamp in the cable pulling mechanism to clamp the end of the cable passing through the conductor assembly.
[0018] S2. Start the first motor and simultaneously start the second motor. While the cable pulling mechanism pulls the cable, the straightening component works and straightens the cable.
[0019] S3. When the cable pulling mechanism in S2 moves to the predetermined position, the hydraulic cylinder is activated and the cable is cut by the cutter. At the same time, the cable clamp is controlled to release the cut end of the cable.
[0020] S4. Adjust the second motor in the reverse direction to bring the wire pulling mechanism closer to the cutter, and adjust the wire clamp again to hold the cut end of the cable that is located on the support plate and pressed by the pressure plate.
[0021] S5. Repeat steps S2 to S4 until the junction box is full of cables, and then collect all the cables in the junction box.
[0022] Compared with the prior art, the present invention has the following beneficial effects:
[0023] The straightening mechanism of this invention consists of multiple straightening components, enabling the straightening of multiple cables. The hollow column of each straightening component can rotate via a first and second hollow shaft, and the straightening blocks installed inside the hollow column are replaceable. The diameter of the straightening holes can be adjusted according to the cables to be straightened, thus accommodating cables of different thicknesses. The straightened cables can also be gathered and adjusted by the conductor assembly for unified cutting by the subsequent cutter. Furthermore, during the cutting process, the cable inside the hollow column is prevented from being pulled back, facilitating subsequent stretching and cutting operations. The adjustment mechanism can also uniformly adjust the collective position of the conductor assembly, achieving both gathering and spreading, ensuring that the cable remains in an effective cutting state when changing cables.
[0024] The cable pulling mechanism of this invention can be adjusted according to the position of the conductor assembly, so that the clamp can correspond one-to-one with the conductor assembly. When the spacing of the conductor assembly is adjusted, the clamp can also be adjusted accordingly, thereby ensuring the stability of the cable during the cable pulling process.
[0025] As can be seen from the above method, the present invention enables repetitive operations in the cutting process of automotive wiring harness raw material cables. It only requires the cooperation of the wire pulling mechanism and the cutter. Moreover, the straightening component can continue to straighten the cable without stopping, thereby ensuring the straight shape of the cut cable. The cut cable can be collected uniformly in the junction box. The process realizes automated cutting processing and improves work efficiency. Attached Figure Description
[0026] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0027] Figure 1 This is a schematic diagram of the structure of a cutting device for automotive wiring harness production and processing according to an embodiment of the present invention;
[0028] Figure 2 This is a schematic diagram of the installation structure of the straightening mechanism in a cutting device for automotive wiring harness production and processing according to an embodiment of the present invention.
[0029] Figure 3 This is a schematic diagram of the structure of the outer cover in a cutting device for automotive wiring harness production and processing according to an embodiment of the present invention;
[0030] Figure 4 This is a schematic diagram of the straightening mechanism in a cutting device for automotive wiring harness production and processing according to an embodiment of the present invention;
[0031] Figure 5 This is a schematic diagram of the straightening component in a cutting device for automotive wiring harness production and processing according to an embodiment of the present invention;
[0032] Figure 6 This is an assembly drawing of the first driven pulley in a cutting device for automotive wiring harness production and processing according to an embodiment of the present invention;
[0033] Figure 7 This is a schematic diagram of the structure of a hollow column in a cutting device for automotive wiring harness production and processing according to an embodiment of the present invention;
[0034] Figure 8 This is a schematic diagram of the straightening block in a cutting device for automotive wiring harness production and processing according to an embodiment of the present invention;
[0035] Figure 9 This is a schematic diagram of the structure of a wire end in a cutting device for automotive wiring harness production and processing according to an embodiment of the present invention;
[0036] Figure 10 This is a schematic diagram of the wire assembly in a cutting device for automotive wiring harness production and processing according to an embodiment of the present invention;
[0037] Figure 11 This is a schematic diagram of the top structure of the platform in a cutting device for automotive wiring harness production and processing according to an embodiment of the present invention.
[0038] Figure 12 This is a schematic diagram of the bottom structure of the platform in a cutting device for automotive wiring harness production and processing according to an embodiment of the present invention.
[0039] Figure 13 This is a schematic diagram of the structure of a cutting component in a cutting device for automotive wiring harness production and processing according to an embodiment of the present invention;
[0040] Figure 14 This is a schematic diagram of the adjustment mechanism in a cutting device for automotive wiring harness production and processing according to an embodiment of the present invention;
[0041] Figure 15 This is a schematic diagram of the wire pulling mechanism in a cutting device for automotive wiring harness production and processing according to an embodiment of the present invention;
[0042] Figure 16 This is a schematic diagram of the bottom structure of the transverse plate in a cutting device for automotive wiring harness production and processing according to an embodiment of the present invention.
[0043] Figure 17 This is a schematic diagram of the structure of an adjusting plate in a cutting device for automotive wiring harness production and processing according to an embodiment of the present invention;
[0044] Figure 18 This is a schematic diagram of the structure of an adjusting block in a cutting device for automotive wiring harness production and processing according to an embodiment of the present invention.
[0045] Figure label:
[0046] 1. Platform; 2. Support legs; 3. Outer cover; 4. Straightening mechanism; 5. Wire assembly; 6. Cutting assembly; 7. Terminal block; 8. Support block; 9. Crossbar; 10. Wire pulling mechanism; 11. Vertical plate; 12. Fixed base; 13. Support column; 14. Horizontal bar; 15. Bearing seat; 16. Straightening assembly; 17. Hollow column; 18. First hollow shaft; 19. Second hollow shaft; 20. Wire end; 21. First driven pulley; 22. Assembly hole; 23. Observation hole; 24. Straightening block; 25. 26. Straightening hole; 27. Locking bolt; 28. Wire guide sleeve; 29. First transmission belt; 30. First motor; 31. First drive pulley; 32. Second transmission belt; 33. Guide rail; 34. Moving seat; 35. Guide block; 36. Connecting bolt; 37. Base; 38. First bearing; 39. Cam; 40. Upright; 41. Top seat; 42. Second bearing; 43. Top frame; 44. Concave wheel; 45. Support rod; 46. Support plate; 47. Fixing frame; 48. Hydraulic cylinder; 49. Lifting plate; 50. Cutter; 51. Vertical rod; 52. Limit nut; 53. Pressure plate; 54. Spring; 55. Fixing plate; 56. Protrusion; 57. Guide rod; 58. Adjusting block; 59. Fixing sleeve; 60. Sliding sleeve; 61. Folding frame; 62. Telescopic cylinder; 63. Connecting frame; 64. First strip hole; 65. Second strip hole; 66. Extension plate; 67. Second motor; 68. Second driving pulley; 69. Extension frame; 70. Second driven pulley; 71. Third transmission... 72. Moving belt; 73. Transverse plate; 74. Assembly seat; 75. Moving sleeve; 76. Adjusting plate; 77. Moving block; 78. Lifting rod; 79. Side strip plate; 80. First slide rail; 81. First slide block; 82. Second slide rail; 83. Second slide block; 84. Third strip hole; 85. Guide post; 86. Lifting frame; 87. Wire clamp; 88. Vertical block; 89. Lead screw; 90. Third motor; 91. Third driven pulley; 92. Third driving pulley; 93. Fourth transmission belt; 94. Screw sleeve. Detailed Implementation
[0047] The invention will now be further described with reference to the accompanying drawings and specific embodiments:
[0048] Example 1: Please refer to Figure 1-3 According to an embodiment of the present invention, a cutting device for automotive wiring harness production and processing includes a platform 1. Support legs 2 are fixedly installed at the four corners of the bottom of the platform 1. An outer cover 3 is fixedly installed at one end of the top of the platform 1. A straightening mechanism 4 is provided inside the outer cover 3 and is fixedly installed on the platform 1. A wire assembly 5 is also installed on the top of the platform 1, located on one side of the straightening mechanism 4. A cutting assembly 6 is also installed on the side of the platform 1 away from the straightening mechanism 4. A junction box 7 is provided at the center of the top of the platform 1 along its length. The bottom of the junction box 7 is fixedly installed on the platform 1 via a support block 8. A vertical plate 11 is fixedly installed at the top of the platform 1 away from the outer cover 3. A fixing seat 12 is fixedly installed on the top of the outer cover 3, directly opposite the vertical plate 11. A crossbar 9 is fixedly installed between the fixing seat 12 and the vertical plate 11. A wire pulling mechanism 10 is slidably installed on the crossbar 9.
[0049] The end of the raw material cable to be cut is passed through the straightening mechanism 4, then through the wire assembly 5 and the cutting assembly 6. The pulling mechanism 10 is brought closer to the cutting assembly 6, and the pulling mechanism 10 clamps the end of the straightened cable. Then, the pulling mechanism 10 is adjusted to move on the crossbar 9. After the cable is stretched to a fixed length by the pulling mechanism 10, the cutting assembly 6 is adjusted to cut the stretched cable. Then, the pulling mechanism 10 is adjusted to release the end of the cut cable, and the cable will automatically fall onto the junction box 7. The cut cable can then be collected. In this process, the cable can be straightened before cutting to ensure that the cut cable remains straight. This not only facilitates subsequent unified collection, bundling, and storage, but also prevents the cables from tangling together. Furthermore, keeping the cable straight facilitates subsequent end stripping and terminal crimping operations, improving the efficiency of wire harness processing.
[0050] Please see Figure 4-9 To enable the straightening mechanism 4 to straighten multiple cables, in this embodiment, the straightening mechanism 4 includes a support column 13 fixedly installed on the top of the platform 1. A horizontal bar 14 is fixedly installed at the top end of the support column 13. The horizontal bar 14 is arranged along the width direction of the platform 1, and there are two horizontal bars 14. A bearing seat 15 is fixedly installed on the top of the horizontal bar 14. A straightening assembly 16 is rotatably installed between the two opposing bearing seats 15. Each cable is passed through a different straightening assembly 16 individually, and the cable can be straightened by the straightening assembly 16. The different straightening assemblies 16 can straighten the cable without interfering with each other, and multiple straightening assemblies 16 can straighten multiple cables simultaneously.
[0051] To enable the straightening assembly 16 to effectively straighten cables, in this embodiment, the straightening assembly 16 includes a hollow column 17. A first hollow shaft 18 and a second hollow shaft 19 are integrally connected to both ends of the hollow column 17. Both the first hollow shaft 18 and the second hollow shaft 19 are rotatably connected to the crossbar 14 via bearing seats 15. A wire head 20 is fixedly installed at the end of the first hollow shaft 18 and the second hollow shaft 19 away from the hollow column 17. A first driven pulley 21 is also fixedly installed on the second hollow shaft 19. By driving the first driven pulley 21 to rotate through an external force, the first driven pulley 21 can drive the hollow column 17 to rotate synchronously via the second hollow shaft 19. When the cable passes through the second hollow shaft 19, the hollow column 17, and the first hollow shaft 18, the cable inside the hollow column 17 can be straightened. Combined with the pulling of the cable pulling mechanism 10, the hollow column 17 can be used to straighten the cable.
[0052] To ensure effective cable straightening through the rotation of the hollow column 17, in this embodiment, the hollow column 17 is provided with an assembly hole 22, which is perpendicular to the length direction of the hollow column 17. A straightening block 24 is fixedly installed inside the assembly hole 22, and a straightening hole 25 is provided through the straightening block 24. Locking bolts 26 are also installed at both ends of the assembly hole 22. When the straightening block 24 is installed inside the assembly hole 22, the straightening hole 25 is coaxially arranged with the hollow column 17. The straightening block 24 can be selected according to actual needs and can be replaced according to the size of the cable, so that the straightening hole 25 can adapt to cables of different thicknesses, thereby ensuring effective cable straightening. For easy observation, an observation hole 23 is also provided on the outer wall of the hollow column 17. The observation hole 23 is located between two adjacent assembly holes 22, and the length direction of the observation hole 23 is perpendicular to the length direction of the assembly hole 22.
[0053] To reduce friction when the cable passes through the second hollow shaft 19 and the first hollow shaft 18, in this embodiment, a wire guide sleeve 27 is rotatably installed inside the wire head 20, and the wire guide sleeve 27 is coaxially arranged with the hollow column 17. In order to enable all the hollow columns 17 to straighten the cable synchronously, the first driven pulleys 21 on two adjacent second hollow shafts 19 are connected by a first transmission belt 28. With this arrangement, when one of the second hollow shafts 19 is rotated under force, it can indirectly drive all the hollow columns 17 to rotate synchronously.
[0054] Please see Figure 10-14In order to enable the second hollow shaft 19 to achieve synchronous rotation adjustment, in this embodiment, a first motor 29 is fixedly installed on the bottom of the platform 1 near the outer cover 3. A first driving pulley 30 is fixedly installed at the end of the output shaft of the first motor 29. The first driving pulley 30 is connected to the first driven pulley 21 on the outermost side through the second transmission belt 31. The platform 1 is also provided with a second strip hole 65 for the second transmission belt 31.
[0055] In order to enable the wire assembly 5 to effectively guide the straightened cable by the straightening assembly 16, in this embodiment, the top of the platform 1 is fixedly installed with a guide rail 32 arranged along its width direction. The wire assembly 5 includes a movable seat 33, and a guide block 34 is fixedly installed at the bottom of the movable seat 33. The guide block 34 is slidably disposed on the guide rail 32. The top of the movable seat 33 is fixedly installed with a base 36. The top center of the base 36 is rotatably mounted with a base frame 38 through a first bearing 37. A cam 39 is rotatably mounted on the base frame 38. The four corners of the base 36 are fixedly mounted with uprights 40. The top end of the uprights 40 is fixedly mounted with a top seat 41. The bottom center of the top seat 41 is rotatably mounted with a top frame 43 through a second bearing 42. The bottom of the top frame 43 is rotatably mounted with a concave wheel 44, and the concave wheel 44 is adapted to the cam 39. The cable passing through the first hollow shaft 18 can pass between the concave wheel 44 and the cam 39, and can be guided by the concave wheel 44 and the cam 39. The position of the base 36 can be adjusted by the movable seat 33, thereby adjusting the position of the straightened end of the cable, so that all the cables can be gathered together, so that when they are cut and fall onto the junction box 7, they can be automatically gathered together for easy collection.
[0056] In order to enable the wire assembly 5 to automatically gather and disperse, in this embodiment, a connecting bolt 35 is fixedly installed on one side of the movable seat 33, and a first strip hole 64 is also provided on the platform 1. An adjustment mechanism (not shown) is fixedly installed on the bottom of the platform 1. One end of the adjustment mechanism passes through the first strip hole 64 and is connected to the connecting bolt 35. The position of the movable seat 33 is adjusted and limited by the adjustment mechanism. The position of the wire assembly 5 can be appropriately adjusted according to the different specifications of the cables under actual conditions, so that it can better guide the straightened wire bundle.
[0057] To enable the cutting assembly 6 to effectively cut the wire harness, in this embodiment, the cutting assembly 6 includes a support rod 45 fixedly mounted on the top of the platform 1. A support plate 46 is fixedly mounted on the top end of the support rod 45. The support plate 46 is located on the side of the wire assembly 5 away from the straightening mechanism 4, and a fixing frame 47 is fixedly mounted on the top end of the support plate 46. A hydraulic cylinder 48 is fixedly mounted on the top of the fixing frame 47. A lifting plate 49 is provided inside the fixing frame 47. The output shaft of the hydraulic cylinder 48 passes through the top of the fixing frame 47 and connects to the top of the lifting plate 49. A cutter 50 is fixedly mounted on the bottom of the lifting plate 49 away from the wire assembly 5. After the straightened cable is stretched by the cable pulling mechanism 10, the lifting plate 49 can be moved by adjusting the hydraulic cylinder 48, which in turn moves the cutter 50 toward the support plate 46. After the cutter 50 cuts the cable, the cable can fall onto the junction box 7.
[0058] To prevent the cut cable from being pulled back into the straightening mechanism 4 due to tension, in this embodiment, a vertical rod 51 is provided through the lifting plate 49 near both ends. A limit nut 52 is fixedly installed at the top of the vertical rod 51, and a pressure plate 53 is fixedly installed at the bottom end of the vertical rod 51. The pressure plate 53 is located close to the wire assembly 5. A spring 54 is also sleeved on the outside of the vertical rod 51. The spring 54 is located between the pressure plate 53 and the lifting plate 49. When neither the pressure plate 53 nor the cutter 50 is in contact with the support plate 46, the distance between the pressure plate 53 and the support plate 46 is less than the distance between the cutter 50 and the support plate 46. When the lifting plate 49 is lifted by the hydraulic cylinder 48, the lifting plate 49 will drive the cutter 50 and the pressure plate 53 to lift synchronously. The pressure plate 53 will first contact the cable and press the cable tightly onto the support plate 46. Then the cutter 50 will contact the cable and cut it. After cutting, the stretched cable will fall onto the junction box 7. The cable in the straightening mechanism 4 will not be pulled back because of the pressure of the pressure plate 53, thus facilitating the next stretching and cutting.
[0059] To enable the adjustment mechanism to effectively and synchronously adjust the position of the wire assembly 5, in this embodiment, the adjustment mechanism includes a fixed plate 55 fixedly installed on the bottom of the platform 1. The fixed plate 55 is arranged along the width direction of the platform 1, and protrusions 56 are fixedly installed at the bottom of both ends of the fixed plate 55 along its length direction. A guide rod 57 is fixedly installed between two protrusions 56. A plurality of adjustment blocks 58 are also provided between two protrusions 56. The number of adjustment blocks 58 is equal to the number of wire assemblies 5, and the adjustment block located in the middle is the most important one. Adjusting blocks 58 are fixedly installed in the middle of guide rod 57 via fixing sleeve 59. Other adjusting blocks 58 are slidably installed on guide rod 57 via sliding sleeve 60. A folding frame 61 is also provided below the fixing plate 55. The top of the folding frame 61 is connected to the adjusting blocks 58, and each hinge point of the folding frame 61 is respectively installed at the bottom of each adjusting block 58. A connecting frame 63 is fixedly installed on the top of the end of the adjusting block 58 facing the first strip hole 64. The top of the connecting frame 63 protrudes from the first strip hole 64 and is fixedly connected to the connecting bolt 35. When the folding frame 61 is unfolded or folded under force, it can drive the adjusting blocks 58 to slide and adjust on guide rod 57 via sliding sleeve 60. The adjusting block 58 located in the middle is fixed in the middle of guide rod 57 via fixing sleeve 59. When the adjusting block 58 moves, it can drive the connecting bolt 35 to move synchronously via connecting frame 63, and then drive the moving seat 33 to move via connecting bolt 35, thereby realizing the movement and adjustment of the wire assembly 5. A telescopic cylinder 62 is also installed at the bottom of the fixed plate 55. The output shaft end of the telescopic cylinder 62 is fixedly connected to any of the outermost adjusting blocks 58. By controlling the start of the telescopic cylinder 62, the outermost adjusting block 58 can be moved. When the outermost adjusting block 58 moves, the end of the folding frame 61 can be moved. The middle part of the folding frame 61 is connected to the adjusting block 58 fixed at the center. Therefore, when the end of the folding frame 61 moves, it will extend or retract from the middle to both ends, thereby realizing the movement adjustment of its relation to the adjusting block 58.
[0060] To enable the cable pulling mechanism 10 to move and adjust along the crossbar 9, in this embodiment, an extension plate 66 is fixedly installed on one side of the platform 1 along its length. A second motor 67 is fixedly installed at one end of the extension plate 66, and a second drive pulley 68 is fixedly installed at the output shaft end of the second motor 67. An extension frame 69 is fixedly installed at the other end of the extension plate 66, and a second driven pulley 70 is rotatably installed on the outer side of the extension frame 69. The second drive pulley 68 and the second driven pulley 70 are connected by a third transmission belt 71. The side of the cable pulling mechanism 10 closest to the third transmission belt 71 is connected to the third transmission belt 71. When the second motor 67 is started, it can drive the third transmission belt 71 to move via the second drive pulley 68. The third transmission belt 71 then drives the cable pulling mechanism 10 connected to it to move, thereby realizing the operation of pulling the cable. After the cable is cut, the second motor 67 can be started in reverse, and so on, to repeatedly cut the cable.
[0061] Through the above-described solution of the present invention, the straightening mechanism 4 is composed of multiple straightening components 16, thus enabling the straightening of multiple cables. The hollow column 17 of the straightening component 16 can rotate via the first hollow shaft 18 and the second hollow shaft 19, and the straightening block 24 installed inside the hollow column 17 can be replaced. The diameter of the straightening hole 25 can be changed according to the actual cable to be straightened, thereby adapting to the straightening of cables of different thicknesses. Furthermore, the straightened cables can be gathered and adjusted by the conductor assembly 5, facilitating the uniform cutting by the subsequent cutter 50. During the cutting process, the cutter 50 can also prevent the cables inside the hollow column 17 from being pulled back, facilitating the next stretching and cutting operation. The adjustment mechanism can also uniformly adjust the collective position of the conductor assembly 5, achieving gathering and spreading, ensuring that the cables are always in an effective cutting state when changing cables.
[0062] Example 2: Please refer to Figure 15-18In embodiment one, the position of the conductor assembly 5 determines the straight position of the cable after straightening. In order to enable the cable pulling mechanism 10 to accurately align with the cable passing through the conductor assembly 5 and achieve stretching, in this embodiment, the cable pulling mechanism 10 includes a transverse plate 72. A mounting base 73 is fixedly installed on the top of the transverse plate 72. A movable sleeve 74 is installed through the inside of the mounting base 73. The movable sleeve 74 is slidably sleeved on the outside of the crossbar 9. An adjustment plate 75 is provided directly below the transverse plate 72. Several movable blocks 76 are also provided between the adjustment plate 75 and the transverse plate 72. A lifting frame 85 is fixedly installed at the bottom of the movable block 76 facing the conductor assembly 5. A wire clamp 86 is fixedly installed at the bottom end of the lifting frame 85. The cable clamp 86 can clamp the end of the cable passing through the conductor assembly 5, and the adjustment plate 75 can adjust the distance between the moving blocks 76, so that the cable clamp 86 can be adjusted at equal intervals according to the position of the conductor assembly 5, thereby making the cable more stable when stretching. In order to enable the transverse plate 72 to move along the length direction of the crossbar 9, a lifting rod 77 is fixedly installed at the bottom of one end of the transverse plate 72, and the bottom end of the lifting rod 77 is connected to the third transmission belt 71.
[0063] In order to enable the adjusting plate 75 to adjust the position of the moving block 76, in this embodiment, the bottom of the transverse plate 72 is symmetrically equipped with side strip plates 78, and the bottom of the side strip plates 78 is fixedly equipped with a first slide rail 79. The top two ends of the adjusting plate 75 are fixedly equipped with first slide blocks 80, which slide on the first slide rail 79. The bottom center of the transverse plate 72 is fixedly equipped with a second slide rail 81, which is perpendicular to the first slide rail 79. The top of the moving block 76 is fixedly equipped with a second slide block 82, which slides on the first slide rail 79. The adjusting plate 75 is also provided with a plurality of third strip holes 83, which are arranged in a radiating pattern. The bottom of the moving block 76 is fixedly equipped with a guide post 84, which slides in the third strip holes 83. By changing the position of the adjusting plate 75 so that it can move along the first slide rail 79, the adjusting plate 75 can drive the guide post 84 to move through the third strip hole 83. The movement of the guide post 84 will drive the moving block 76 to slide along the second slide rail 81, thereby achieving equidistant adjustment between the moving blocks 76.
[0064] To automate the movement adjustment of the adjusting plate 75, in this embodiment, a screw sleeve 93 is fixedly installed on one side of the bottom of the adjusting plate 75. Vertical blocks 87 are fixedly installed at both ends of the bottom of the side strip plate 78 located near the screw sleeve 93. A lead screw 88 is rotatably installed between the two vertical blocks 87. The screw sleeve 93 is screwed to the outside of the lead screw 88. A third motor 89 is fixedly installed at the bottom of the transverse plate 72. The third motor 89 is located near the lead screw 88. A third driving pulley 91 is fixedly installed at the end of the output shaft of the third motor 89. A third driven pulley 90 is fixedly installed at the end of the lead screw 88. The third driving pulley 91 and the third driven pulley 90 are connected by a fourth transmission belt 92.
[0065] Through the above-described solution of the present invention, the cable pulling mechanism 10 provided by the present invention can be adjusted to correspond to the position of the conductor assembly 5, so that the clamp 86 can correspond one-to-one with the conductor assembly 5. When the spacing of the conductor assembly 5 is adjusted, the clamp 86 can also be adjusted accordingly, thereby ensuring the stability of the cable during the cable pulling process.
[0066] Example 3: To better illustrate the effectiveness of the above-mentioned cutting device for automotive wiring harness production and processing, this example also discloses a method for using the above-mentioned cutting device for automotive wiring harness production and processing, mainly including the following steps:
[0067] S1. Pass the cable to be cut through the straightening assembly 16 and the conductor assembly 5 in sequence, and adjust the position of the cable pulling mechanism 10. Use the clamp 86 provided in the cable pulling mechanism 10 to clamp the end of the cable passing through the conductor assembly 5.
[0068] S2. Start the first motor 29 and simultaneously start the second motor 67. While the cable pulling mechanism 10 pulls the cable, the straightening component 16 works and straightens the cable.
[0069] S3. When the cable pulling mechanism 10 in S2 moves to the predetermined position, the hydraulic cylinder 48 is activated and the cable is cut by the cutter 50. At the same time, the cable clamp 86 is controlled to release the cut end of the cable.
[0070] S4. Adjust the second motor 67 in the reverse direction to adjust the wire pulling mechanism 10 to a position close to the cutter 50, and adjust the wire clamp 86 again to clamp the cut end of the cable that is located on the support plate 46 and pressed by the pressure plate 53.
[0071] S5. Repeat steps S2 to S4 until the junction box 7 is filled with cables, and then collect all the cables in the junction box 7.
[0072] Through the above-described solution and method of the present invention, it can be seen that the cutting process of automotive wiring harness raw material cables can be repeated. It only requires the cooperation of the wire pulling mechanism 10 and the cutter 50. Moreover, the straightening component 16 can continue to straighten the cable without stopping, thereby ensuring the straight shape of the cable after cutting. The cut cable can be collected uniformly in the junction box 7. The process realizes automated cutting processing and improves work efficiency.
[0073] To facilitate understanding of the above technical solutions of the present invention, the working principle or operation method of the present invention in actual process will be described in detail below.
[0074] The straightening mechanism 4 of this invention consists of multiple straightening components 16, thus enabling the straightening of multiple cables. The hollow column 17 of the straightening component 16 can rotate via a first hollow shaft 18 and a second hollow shaft 19. A replaceable straightening block 24 is installed inside the hollow column 17, allowing the diameter of the straightening hole 25 to be adjusted according to the cable to be straightened, thus accommodating cables of different thicknesses. The straightened cables can also be gathered and adjusted via the conductor assembly 5, facilitating uniform cutting by the subsequent cutter 50. Furthermore, during the cutting process, the cable inside the hollow column 17 is prevented from being pulled back, facilitating the next stretching and cutting operation. The adjustment mechanism can also uniformly adjust the collective position of the conductor assembly 5, achieving gathering and spreading, ensuring that the cable is always in an effective cutting state when changing cables.
[0075] The cable pulling mechanism 10 provided in this invention can be adjusted to correspond to the position of the conductor assembly 5, so that the clamp 86 can correspond one-to-one with the conductor assembly 5. When the spacing of the conductor assembly 5 is adjusted, the clamp 86 can also be adjusted accordingly, thereby ensuring the stability of the cable during the cable pulling process.
[0076] As can be seen from the above method, the present invention can achieve repetitive operation in the process of cutting automotive wiring harness raw material cables. It only requires the cooperation of the wire pulling mechanism 10 and the cutter 50. Moreover, the straightening component 16 can continue to straighten the cable without stopping, thereby ensuring the straight shape of the cable after cutting. The cut cable can be collected uniformly in the junction box 7. The process realizes automated cutting processing and improves work efficiency.
[0077] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "setting," "connection," "fixing," "screw connection," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.
[0078] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0079] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
[0080] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A cutting device for automotive wiring harness manufacturing, comprising a table (1), characterized in that, The bottom of the platform (1) is equipped with a support leg (2), the top of the platform (1) is equipped with an outer cover (3), the inside of the outer cover (3) is provided with a straightening mechanism (4), the top of the platform (1) is also equipped with a wire assembly (5) and a cutting assembly (6), the top center of the platform (1) is provided with a junction box (7) arranged along its length direction, the top of the platform (1) is fixedly equipped with a vertical plate (11) at the end away from the outer cover (3), the top of the outer cover (3) is fixedly equipped with a fixed seat (12) arranged opposite to the vertical plate (11), a crossbar (9) is fixedly installed between the fixed seat (12) and the vertical plate (11), and a wire pulling mechanism (10) is slidably installed on the crossbar (9). The straightening mechanism (4) includes a support column (13) fixedly installed on the top of the platform (1). A horizontal bar (14) is fixedly installed at the top end of the support column (13). The horizontal bar (14) is arranged along the width direction of the platform (1). There are two horizontal bars (14). A bearing seat (15) is fixedly installed on the top of the horizontal bar (14). A straightening component (16) is rotatably installed between the two bearing seats (15) arranged opposite to each other. The wire pulling mechanism (10) includes a transverse plate (72), a mounting base (73) is fixedly installed on the top of the transverse plate (72), a movable sleeve (74) is installed through the inside of the mounting base (73), the movable sleeve (74) is slidably sleeved on the outside of the crossbar (9), an adjusting plate (75) is provided directly below the transverse plate (72), and a number of moving blocks (76) are provided between the adjusting plate (75) and the transverse plate (72). A lifting frame (85) is fixedly installed at the bottom of one end of the moving block (76) facing the wire assembly (5), and a wire clamp (86) is fixedly installed at the bottom end of the lifting frame (85). Side strips (78) are symmetrically installed at the bottom of the transverse plate (72), and a first slide rail (78) is fixedly installed at the bottom of the side strips (78). 9) The top two ends of the adjustment plate (75) are fixedly installed with first slide blocks (80), which slide on the first slide rail (79). The bottom center of the transverse plate (72) is fixedly installed with a second slide rail (81), which is perpendicular to the first slide rail (79). The top of the moving block (76) is fixedly installed with a second slide block (82), which slides on the first slide rail (79). The adjustment plate (75) is also provided with a plurality of third strip holes (83), which are arranged in a radiating pattern on the adjustment plate (75). The bottom of the moving block (76) is fixedly installed with a guide post (84), which slides in the third strip hole (83). A screw sleeve (93) is installed on one side of the bottom of the adjusting plate (75). Vertical blocks (87) are installed at both ends of the bottom of the side strip plate (78) near the screw sleeve (93). A lead screw (88) is rotatably installed between the two vertical blocks (87). The screw sleeve (93) is screwed to the outside of the lead screw (88). A third motor (89) is installed at the bottom of the transverse plate (72). A third driving pulley (91) is installed at the end of the output shaft of the third motor (89). A third driven pulley (90) is installed at the end of the lead screw (88). The third driving pulley (91) and the third driven pulley (90) are connected by a fourth transmission belt (92).
2. The cutting device for automotive wiring harness production and processing according to claim 1, characterized in that, The straightening assembly (16) includes a hollow column (17), with a first hollow shaft (18) and a second hollow shaft (19) integrally connected to both ends of the hollow column (17). A wire head (20) is fixedly installed at the end of both the first hollow shaft (18) and the second hollow shaft (19) away from the hollow column (17). A first driven pulley (21) is also fixedly installed on the second hollow shaft (19). An assembly hole (22) is provided on the hollow column (17), perpendicular to the length direction of the hollow column (17). The assembly hole (22) contains... A straightening block (24) is fixedly installed on the part. A straightening hole (25) is provided on the straightening block (24) through the body. Locking bolts (26) are also installed at both ends of the assembly hole (22). When the straightening block (24) is installed inside the assembly hole (22), the straightening hole (25) is coaxially arranged with the hollow column (17). An observation hole (23) is also provided on the outer wall of the hollow column (17). The observation hole (23) is located between two adjacent assembly holes (22), and the length direction of the observation hole (23) is perpendicular to the length direction of the assembly hole (22).
3. The cutting device for automotive wiring harness production and processing according to claim 2, characterized in that, The wire head (20) is equipped with a wire sleeve (27). The first driven pulleys (21) on two adjacent second hollow shafts (19) are connected by a first transmission belt (28). A first motor (29) is fixedly installed on the bottom of the platform (1) near the outer cover (3). A first driving pulley (30) is fixedly installed at the end of the output shaft of the first motor (29). The first driving pulley (30) is connected to the outermost first driven pulley (21) through a second transmission belt (31). A second strip hole (65) for the second transmission belt (31) is also provided on the platform (1).
4. The cutting device for automotive wiring harness production and processing according to claim 3, characterized in that, The top of the platform (1) is fixedly mounted with a guide rail (32) arranged along its width direction. The wire assembly (5) includes a movable seat (33). A guide block (34) is fixedly mounted on the bottom of the movable seat (33). The guide block (34) is slidably mounted on the guide rail (32). A base (36) is fixedly mounted on the top of the movable seat (33). A base frame (38) is rotatably mounted on the top center of the base (36) through a first bearing (37). A cam (39) is rotatably mounted on the base frame (38). A vertical rod (40) is fixedly mounted through the four corners of the base (36). A top seat (41) is fixedly mounted on the top end of the vertical rod (40). A top frame (43) is rotatably mounted on the bottom center of the top seat (41) through a second bearing (42). A concave wheel (44) is rotatably mounted on the bottom of the top frame (43).
5. The cutting device for automotive wiring harness production and processing according to claim 4, characterized in that, The cutting assembly (6) includes a support rod (45) fixedly mounted on the top of the platform (1). A support plate (46) is fixedly mounted on the top end of the support rod (45). The support plate (46) is located on the side of the wire assembly (5) away from the straightening mechanism (4). A fixing frame (47) is fixedly mounted on the top end of the support plate (46). A hydraulic cylinder (48) is fixedly mounted on the top of the fixing frame (47). A lifting plate (49) is provided inside the fixing frame (47). The output shaft of the hydraulic cylinder (48) passes through the top of the fixing frame (47) and is connected to the top of the lifting plate (49). The bottom of the lifting plate (49) is away from the wire assembly (5). A cutter (50) is fixedly installed on one side. A vertical rod (51) is provided through the lifting plate (49) near both ends. A limit nut (52) is fixedly installed on the top of the vertical rod (51). A pressure plate (53) is fixedly installed at the bottom end of the vertical rod (51). The pressure plate (53) is located near the wire assembly (5). A spring (54) is also sleeved on the outside of the vertical rod (51). The spring (54) is located between the pressure plate (53) and the lifting plate (49). When neither the pressure plate (53) nor the cutter (50) is in contact with the support plate (46), the distance between the pressure plate (53) and the support plate (46) is less than the distance between the cutter (50) and the support plate (46).
6. The cutting device for automotive wiring harness production and processing according to claim 5, characterized in that, A connecting bolt (35) is installed on one side of the movable seat (33). A first strip hole (64) is also provided on the platform (1). An adjustment mechanism is fixedly installed at the bottom of the platform (1). The adjustment mechanism includes a fixed plate (55) fixedly installed at the bottom of the platform (1). Protrusions (56) are fixedly installed at the bottom of both ends of the fixed plate (55) along its length direction. A guide rod (57) is fixedly installed between the two protrusions (56). Several adjustment blocks (58) are also provided between the two protrusions (56). The number of adjustment blocks (58) is equal to the number of wire assemblies (5). The adjustment block (58) located in the middle is fixedly installed in the middle of the guide rod (57) by a fixing sleeve (59). The adjustment blocks (58) in the middle are fixedly installed in the middle of the guide rod (57). The segment (58) is slidably mounted on the guide rod (57) via the sliding sleeve (60). A folding frame (61) is also provided below the fixing plate (55). The top of the folding frame (61) is connected to the adjusting block (58), and each hinge point of the folding frame (61) is respectively installed at the bottom of each adjusting block (58). A connecting frame (63) is fixedly installed on the top of one end of the adjusting block (58) facing the first strip hole (64). The top of the connecting frame (63) passes through the first strip hole (64) and is fixedly connected to the connecting bolt (35). A telescopic cylinder (62) is also installed at the bottom of the fixing plate (55). The output shaft end of the telescopic cylinder (62) is fixedly connected to any adjusting block (58) located on the outermost side.
7. The cutting device for automotive wiring harness production and processing according to claim 6, characterized in that, An extension plate (66) is fixedly installed on one side of the platform (1) along its length direction. A second motor (67) is fixedly installed at one end of the extension plate (66). A second drive pulley (68) is fixedly installed at the output shaft end of the second motor (67). An extension frame (69) is fixedly installed at the other end of the extension plate (66). A second driven pulley (70) is rotatably installed on the outer side of the extension frame (69). The second drive pulley (68) and the second driven pulley (70) are connected by a third transmission belt (71). A lifting rod (77) is fixedly installed at the bottom of one end of the transverse plate (72). The bottom end of the lifting rod (77) is connected to the third transmission belt (71).
8. A method of using the cutting device for automotive wiring harness production and processing according to claim 7, characterized in that, Includes the following steps: S1. Pass the cable to be cut through the straightening assembly (16) and the conductor assembly (5) in sequence, and adjust the position of the pull mechanism (10). Use the clamp (86) provided in the pull mechanism (10) to clamp the end of the cable passing through the conductor assembly (5). S2. Start the first motor (29) and start the second motor (67) at the same time. While the cable pulling mechanism (10) pulls the cable, the straightening component (16) works and straightens the cable. S3. When the cable pulling mechanism (10) in S2 moves to the predetermined position, the hydraulic cylinder (48) is activated and the cable is cut by the cutter (50). At the same time, the cable clamp (86) is controlled to release the cable end after the cable is cut. S4. Adjust the second motor (67) in the reverse direction, adjust the wire pulling mechanism (10) to a position close to the cutter (50), and adjust the wire clamp (86) again to clamp the cut end of the cable that is located on the support plate (46) and pressed by the pressure plate (53); S5. Repeat steps S2 to S4 until the junction box (7) is filled with cables, and then collect all the cables in the junction box (7).