A wire circumferential cutting machine

Abstract

This utility model discloses a wire circumferential cutting machine, which includes a rotary cutting station opposite to the clamping station, and is provided with a first rotary cutting part and a second rotary cutting part. The first rotary cutting part includes two first cutting blades, each with an arc-shaped groove recessed on its side facing each other. The inner circumferential wall of the arc-shaped groove is adapted to the outer circumference of the wire. The rotary cutting station is also provided with a proximity drive to drive the two first cutting blades closer together. The second rotary cutting part includes two second cutting blades, each with a cutting groove recessed on its side facing each other. The rotary cutting station is also provided with a cutting drive to drive the two second cutting blades closer together. When the second cutting blades approach each other, the two cutting grooves are concentrically arranged, and the inner circumferential diameter of the cutting groove is consistent with the inner circumferential diameter of the wire's shielding layer. This utility model has the advantages of simple and fast overall operation, and the use of a machine to cut the insulating layer makes the wire processing more standardized.

Description

Technical Field

[0001] This utility model relates to the field of wire processing, and in particular to a wire ring cutting machine. Background Technology

[0002] In industries such as electronics and automotive, wire harnesses are key components for signal and power transmission, and their structural integrity directly affects the operational stability of equipment. A typical wire harness usually consists of conductive wires, a shielding layer wrapped around the wires, and an insulating layer covering the shielding layer. The shielding layer isolates external electromagnetic interference to ensure signal transmission quality, while the insulating layer provides moisture protection, abrasion resistance, and insulation.

[0003] During the connection of wire harnesses with other components, the ends need to be treated to expose the wires for conductive connection. Current methods first require removing the insulating layer from the ends, a step that requires precise control to avoid damaging the internal shielding layer. Then, the shielding layer at the ends needs to be moved away from the ends to fully expose the wire ends. However, manual operation makes it difficult to ensure consistent shielding layer movement, easily resulting in uneven exposed wire lengths, affecting subsequent connection accuracy and stability, and increasing rework rates and quality control difficulties during production. Utility Model Content

[0004] In order to optimize the wire end processing flow and improve the processing speed, this utility model provides a wire ring cutting machine.

[0005] This utility model provides a technical solution that adopts the following approach:

[0006] A wire circumferential cutting machine includes a frame, on which are provided:

[0007] A clamping station, including a clamping part for clamping wires;

[0008] The rotary cutting station, directly opposite the clamping station, is equipped with a first rotary cutting section and a second rotary cutting section.

[0009] The first rotary cutting section includes two first cutters. Each of the two first cutters has an arc-shaped groove recessed on the side where they are close to each other. The inner circumferential wall of the arc-shaped groove is adapted to the outer circumference of the wire. The rotary cutting station is also provided with a proximity drive to drive the two first cutters to approach each other. When the two first cutters approach each other, the two arc-shaped grooves are concentrically arranged. The inner circumferential diameter of the arc-shaped groove is consistent with the inner circumferential diameter of the insulating adhesive layer of the wire.

[0010] The second rotary cutting section includes two second cutters. A tangent groove is recessed on the side of the two second cutters that are close to each other. The rotary cutting station is also provided with a tangent driving component that drives the two second cutters to move closer to each other. When the two second cutters move closer to each other, the two tangent grooves are concentrically arranged. The inner circumferential diameter of the tangent groove is consistent with the inner circumferential diameter of the shielding layer of the wire.

[0011] Inspection station, used to inspect the processing condition of wire ends;

[0012] The moving station includes a rotation drive for driving the rotary cutting station to rotate, a translation drive for driving the clamping part to move from the rotary cutting station to the inspection station, and a retraction drive for driving the rotary cutting station to move along the length of the wire.

[0013] After the wire is moved to the clamping station, the proximity drive moves the two first cutters closer together, so that the arc-shaped grooves of the two first cutters are close to the wire. Then, the rotation drive rotates the rotary cutting station, causing the two first cutters to cut the insulating layer on the outer periphery of the wire. After the insulating layer is cut, the retraction drive is activated, causing the first cutters to move away from the clamping station, thus moving the cut insulating layer. Then, the retraction drive drives the first cutters to move in the opposite direction, with the moving distance being greater than the retraction distance. The proximity drive and the wire cutting drive are activated simultaneously, causing both the first and second cutters to approach the wire. Then, the rotation drive rotates, causing the first and second cutters to rotate simultaneously. The first cutter performs a second rotary cut, cutting off the second section of the insulating layer. The second cutter cuts off the shielding layer originally covering the first insulating layer. Then, the retraction drive activates, moving the second insulating layer towards the first insulating layer and pushing it off the wire end. The first and second cutters then move simultaneously away from the wire end, pushing the second insulating layer back to its original position. Because the second insulating layer is pressed against the shielding layer, its movement causes the shielding layer, originally covering both the first and second insulating layers, to move towards the point where the second insulating layer is broken, until it contacts the original insulating layer. At this point, the proximity drive and the wire-cutting drive activate, releasing the wire and completing the wire end processing, thus forming the wire... Figure 2 The shape is then determined. Finally, the translation drive is activated, causing the clamping part to move to the inspection station for inspection.

[0014] The shielding layer is retracted by using an insulating adhesive layer, and the second insulating adhesive layer can also fix the shielding layer, making the overall operation simple and quick. Furthermore, the use of a machine to cut the insulating adhesive layer makes the wire processing more standardized.

[0015] Preferably, the retraction drive component includes a retraction motor, a retraction lead screw, and a drive plate. The retraction lead screw is fixedly connected to the drive shaft of the retraction motor. The rotary cutting station is located on one side of the drive plate. The drive plate is fixed to the end of the retraction lead screw away from the retraction motor. A fixing block is fixedly provided on the frame. The retraction lead screw is threadedly connected to the fixing block.

[0016] The retraction motor starts, driving the retraction screw to rotate. Since the fixed block is fixedly connected to the frame, the rotation of the retraction screw drives itself and the retraction motor to move along the length of the retraction screw, thereby pushing the drive plate to move along the length of the retraction screw, realizing the retraction and advance of the rotary cutting station.

[0017] Preferably, there are two rotary cutting stations. The rotary drive includes a rotary motor, a drive wheel, two transmission wheels, and a synchronous belt. The synchronous belt is sleeved on the outer periphery of the drive wheel and the two transmission wheels. The rotary motor is mounted on the drive plate and drives the drive wheel to rotate.

[0018] The rotating motor starts, driving the drive wheel to rotate, which in turn drives the two transmission wheels, which are also sleeved on the inner circumference of the synchronous belt, to rotate simultaneously. This allows the two rotary cutting stations to be driven to rotate at the same time, cutting the wire together and processing two sets of wire at the same time, which can improve processing efficiency and make the wire processing more efficient.

[0019] Preferably, a tensioning wheel is provided between the drive wheel and the transmission wheel. The tensioning wheel is rotatably connected to the drive plate and abuts against the outer periphery of the conveyor belt. Two tensioning wheels are provided corresponding to the transmission wheel.

[0020] Two tensioning pulleys are respectively located between the two transmission pulleys and the drive pulley. The tensioning pulleys ensure that the synchronous belt maintains appropriate tension, prevents slippage, further improves transmission stability, ensures synchronous operation of the two rotary cutting stations, and improves the accuracy and efficiency of wire processing.

[0021] Preferably, the rotary cutting station further includes a rotating plate, one side of which is connected to a transmission wheel. Two first cutters are located on the side of the rotating plate away from the transmission wheel. One of the first cutters is fixedly connected to the rotating plate, and the other first cutter is hinged to the rotating plate. The proximity drive includes a cylinder and a hinge shaft. The cylinder is connected to the first cutter hinged to the rotating plate, and the cylinder pushes the first cutter to rotate around the hinge shaft.

[0022] The cylinder starts and pushes the first cutter closer to the other first cutter. The two first cutters clamp the wire and move closer to cut it. The hinged design makes the movement of the two first cutters more space-saving and eliminates the need for a guide structure for the movement of the first cutters, making the overall structure of the device simpler.

[0023] Preferably, the rotating plate has a fixed plate and a connecting plate on the side away from the transmission wheel. The fixed plate is fixedly connected to one of the first cutters, and the connecting plate is hinged to the other first cutter. The hinge shaft is inserted into the connecting plate. The connecting plate is also connected to a mounting plate. The cylinder is mounted on the mounting plate. A spring for assisting in resetting is also connected between the mounting plate and the first cutter connected to the connecting plate.

[0024] The spring provides auxiliary force when the cylinder resets, ensuring that the first cutter returns to its original position smoothly.

[0025] Preferably, the tangent drive includes a synchronization plate, wherein one of the first cutters is connected to the hinge shaft via the synchronization plate, one of the second cutters is connected to the fixed plate, and the other second cutter is connected to the synchronization plate; the distance between the two first cutters is set according to the diameter of the insulating adhesive layer, and the distance between the two second cutters is set according to the diameter of the shielding layer.

[0026] The synchronous plate drives the two cutters to move toward the wire in a synchronized manner. The wire cutting drive is set up using the power close to the drive unit, which saves power and makes the overall structure simpler. It also makes the cutting actions of the two cutters more coordinated and consistent, ensuring accurate cutting of each layer of the wire, improving the wire processing quality and reducing the scrap rate.

[0027] In summary, this utility model has the following beneficial technical effects:

[0028] After the wire is moved to the clamping station, the proximity drive moves the two first cutters closer together, so that the arc-shaped grooves of the two first cutters are close to the wire. Then, the rotation drive rotates the rotary cutting station, causing the two first cutters to cut the insulation layer on the outer periphery of the wire. After the insulation layer is cut, the retraction drive is activated, causing the first cutters to move away from the clamping station, thus moving the cut insulation layer. Then, the retraction drive drives the first cutters to move in the opposite direction, with the moving distance being greater than the retraction distance. The proximity drive and the wire cutting drive are activated simultaneously, causing both the first and second cutters to approach the wire. Then, the rotation drive rotates, causing the first and second cutters to rotate simultaneously. The first cutters perform a second rotary cut, cutting the second section of insulation layer. The first cutter cuts off the first insulating layer, while the second cutter cuts off the shielding layer underneath. Then, the retraction drive activates, moving the second insulating layer towards the first, pushing it off the wire end. The first and second cutters then move simultaneously away from the wire end, pushing the second insulating layer back into place. Because the second insulating layer is pressed against the shielding layer, its movement causes the shielding layer beneath it to move towards the point where the second insulating layer is broken, until it contacts the original insulating layer. The approach drive and the cutting drive then release the wire, completing the wire end processing. Finally, the translation drive activates, moving the clamping unit to the inspection station for testing. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the overall structure of a wire ring cutting machine according to this utility model.

[0030] Figure 2 It refers to the shape of the wire after processing.

[0031] Explanation of reference numerals in the attached drawings: 1. Frame; 2. First cutter; 3. Arc groove; 4. Second cutter; 5. Cutting groove; 6. Wire; 7. Insulating layer; 8. Shielding layer; 9. Retraction motor; 10. Retraction screw; 11. Drive plate; 12. Fixing block; 13. Drive wheel; 14. Synchronizing plate; 15. Synchronizing belt; 16. Tensioning wheel; 17. Rotating plate; 18. Hinge shaft; 19. Fixing plate; 20. Connecting plate; 21. Mounting plate; 22. Spring. Detailed Implementation

[0032] The following is in conjunction with the appendix Figure 1-2 The present invention will be described in further detail below.

[0033] This utility model discloses a wire circumferential cutting machine.

[0034] Reference Figure 1 as well as Figure 2A wire circumferential cutting machine includes a frame 1, on which:

[0035] The clamping station includes a clamping part for clamping the wire 6;

[0036] The rotary cutting station, directly opposite the clamping station, is equipped with a first rotary cutting section and a second rotary cutting section.

[0037] The first rotary cutting section includes two first cutters 2. Each of the two first cutters 2 has an arc-shaped groove 3 recessed on the side where they are close to each other. The inner circumferential wall of the arc-shaped groove 3 is adapted to the outer circumference of the wire 6. The rotary cutting station is also provided with a proximity drive to drive the two first cutters 2 to approach each other. When the two first cutters 2 approach each other, the two arc-shaped grooves 3 are concentrically arranged. The inner circumferential diameter of the arc-shaped groove 3 is consistent with the inner circumferential diameter of the insulating adhesive layer 7 of the wire 6.

[0038] The second rotary cutting section includes two second cutters 4. A tangent groove 5 is recessed on the side of the two second cutters 4 that are close to each other. The rotary cutting station is also provided with a tangent driving component that drives the two second cutters 4 to move closer to each other. When the two second cutters 4 move closer to each other, the two tangent grooves 5 are concentrically arranged. The inner circumferential diameter of the tangent groove 5 is consistent with the inner circumferential diameter of the shielding layer 8 of the wire 6.

[0039] The inspection station is used to inspect the processing condition of the six ends of the wire.

[0040] The moving station includes a rotation drive for driving the rotary cutting station to rotate, a translation drive for driving the clamping part to move from the rotary cutting station to the inspection station, and a retraction drive for driving the rotary cutting station to move along the length of the wire 6.

[0041] After the wire 6 is moved to the clamping station, the proximity drive moves the two first cutters 2 closer together, so that the arc-shaped grooves 3 of the two first cutters 2 are close to the wire 6. Then, the rotation drive rotates the rotary cutting station, causing the two first cutters 2 to cut the insulating layer 7 on the outer periphery of the wire 6. After the insulating layer 7 is cut, the retraction drive is activated, causing the first cutters 2 to move away from the clamping station, thereby moving the cut insulating layer 7. Then, the retraction drive drives the first cutters 2 to move in the opposite direction, with the moving distance being greater than the retraction distance. The proximity drive and the wire cutting drive are activated simultaneously, causing the first cutters 2 and the second cutters 4 to both approach the wire 6. Then, the rotation drive rotates, causing the first cutters 2 and the second cutters 4 to rotate simultaneously. The first cutter 2 performs a second rotary cut, cutting off the second section of the insulating layer 7. 4. The shielding layer 8 originally covering the first insulating layer 7 is cut off. Then, the retraction drive is activated, causing the second insulating layer 7 to move towards the first insulating layer 7 and push the first insulating layer 7 off from the end of the wire 6. Then, the first cutter 2 and the second cutter 4 move simultaneously away from the end of the wire 6. The second insulating layer 7 is pushed by the second cutter 4 to achieve reset. Since the second insulating layer 7 is pressed against the shielding layer 8, the movement of the second insulating layer 7 causes the shielding layer 8 originally covering the first and second insulating layers 7 to move towards the cut of the second insulating layer 7 until the second insulating layer 7 comes into contact with the original insulating layer 7. The proximity drive and the wire cutting drive are activated to release the wire 6, completing the processing of the end of the wire 6, thereby forming the wire 6. Figure 2 The shape is then determined. Finally, the translation drive is activated, causing the clamping part to move to the inspection station for inspection.

[0042] The shielding layer 8 is displaced by using the insulating adhesive layer 7. The second insulating adhesive layer 7 can also fix the shielding layer 8, making the overall operation simple and quick. Furthermore, the insulating adhesive layer 7 is cut by machine, making the processing of the wire 6 more standardized.

[0043] The clamping station, inspection station, and moving station are all existing technologies. The inspection station can perform inspection using a CCD or CMOS camera. The clamping station can clamp the wire 6 using pneumatic fingers. The moving station achieves translational movement using a lead screw and slider structure, which will not be elaborated upon here. The clamping station, inspection station, and moving station are not shown in the figure.

[0044] Reference Figure 1 as well as Figure 2In this embodiment, the retraction drive includes a retraction motor 9, a retraction lead screw 10, and a drive plate 11. The retraction lead screw 10 is fixedly connected to the drive shaft of the retraction motor 9. The rotary cutting station is located on one side of the drive plate 11. The drive plate 11 is fixed to the end of the retraction lead screw 10 away from the retraction motor 9. A fixing block 12 is fixedly provided on the frame 1. The retraction lead screw 10 is threadedly connected to the fixing block 12.

[0045] The retraction motor 9 starts, thereby driving the retraction screw 10 to rotate. Since the fixed block 12 is fixedly connected to the frame 1, the rotation of the retraction screw 10 drives itself and the retraction motor 9 to move along the length direction of the retraction screw 10, thereby pushing the drive plate 11 to move along the length direction of the retraction screw 10, realizing the retraction and advance of the rotary cutting station.

[0046] The retraction motor 9 and the frame 1 are provided with a sliding connection structure. The two can be connected by a guide rail or other structure, which will not be described in detail here.

[0047] Reference Figure 1 as well as Figure 2 In this embodiment, there are two rotary cutting stations. The rotary drive includes a rotary motor, a drive wheel 13, two transmission wheels, and a synchronous belt 15. The synchronous belt 15 is sleeved on the outer periphery of the drive wheel 13 and the two transmission wheels. The rotary motor is mounted on the drive plate 11 and drives the drive wheel 13 to rotate.

[0048] The rotating motor starts, driving the drive wheel 13 to rotate, which in turn drives the two transmission wheels that are also sleeved on the inner circumference of the synchronous belt 15 to rotate, so that the two rotary cutting stations are driven to rotate simultaneously. The two rotary cutting stations cut the wire 6 together, and process two sets of wire 6 at the same time, which can improve the processing efficiency and make the processing efficiency of wire 6 higher.

[0049] Reference Figure 1 as well as Figure 2 In this embodiment, a tensioning wheel 16 is provided between the drive wheel 13 and the transmission wheel. The tensioning wheel 16 is rotatably connected to the drive plate 11. The tensioning wheel 16 is pressed against the outer periphery of the conveyor belt. Two tensioning wheels 16 are provided corresponding to the transmission wheel.

[0050] Two tensioning wheels 16 are respectively located between the two transmission wheels and the drive wheel 13. The tensioning wheels 16 ensure that the synchronous belt 15 maintains appropriate tension, prevents slippage, further improves transmission stability, ensures synchronous operation of the two rotary cutting stations, and improves the processing accuracy and efficiency of the wire 6.

[0051] Reference Figure 1 as well as Figure 2In this embodiment, the rotary cutting station further includes a rotating plate 17. One side of the rotating plate 17 is connected to a transmission wheel. Two first cutters 2 are both located on the side of the rotating plate 17 away from the transmission wheel. One of the first cutters 2 is fixedly connected to the rotating plate 17, and the other first cutter 2 is hinged to the rotating plate 17. The proximity drive includes a cylinder and a hinge shaft 18. The cylinder is connected to the first cutter 2 hinged to the rotating plate 17. The cylinder pushes the first cutter 2 to rotate around the hinge shaft 18.

[0052] The cylinder starts and pushes the first cutter 2 closer to the other first cutter 2. The two first cutters 2 clamp the wire 6 and move closer to cut it. The hinged method makes the movement of the two first cutters 2 closer together more space-saving and saves the setting of the first cutter 2 movement guide structure, making the overall structure of the device simpler.

[0053] Reference Figure 1 as well as Figure 2 In this embodiment, the rotating plate 17 is provided with a fixed plate 19 and a connecting plate 20 on the side away from the transmission wheel. The fixed plate 19 is fixedly connected to one of the first cutters 2, and the connecting plate 20 is hinged to the other first cutter 2. The hinge shaft 18 is inserted into the connecting plate 20. The connecting plate 20 is also connected to a mounting plate 21. The cylinder is disposed on the mounting plate 21. A spring 22 for assisting reset is also connected between the mounting plate 21 and the first cutter 2 connected to the connecting plate 20.

[0054] Spring 22 provides auxiliary force when the cylinder is reset, ensuring that the first cutter 2 returns to its original position smoothly.

[0055] Reference Figure 1 as well as Figure 2 In this embodiment, the tangent drive includes a synchronization plate 14, wherein one of the first cutters 2 is connected to the hinge shaft 18 through the synchronization plate 14, one of the second cutters 4 is connected to the fixing plate 19, and the other second cutter 4 is connected to the synchronization plate 14; the distance between the two first cutters 2 is set according to the diameter of the insulating adhesive layer 7, and the distance between the two second cutters 4 is set according to the diameter of the shielding layer 8.

[0056] The synchronous plate 14 synchronously drives the two cutters to move toward the wire 6. The cutting drive is set by the power close to the drive unit, which saves power and makes the overall structure simpler. It also makes the cutting action of the two cutters more coordinated and consistent, ensuring accurate cutting of each layer of the wire 6, improving the processing quality of the wire 6 and reducing the scrap rate.

[0057] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be included within the scope of protection of this utility model.

Claims

1. A wire circumferential cutting machine, characterized in that: Includes a clamping station, including a clamping part for clamping wires; The rotary cutting station, directly opposite the clamping station, is equipped with a first rotary cutting section and a second rotary cutting section. The first rotary cutting section includes two first cutters. Each of the two first cutters has an arc-shaped groove recessed on the side where they are close to each other. The inner circumferential wall of the arc-shaped groove is adapted to the outer circumference of the wire. The rotary cutting station is also provided with a proximity drive to drive the two first cutters to approach each other. When the two first cutters approach each other, the two arc-shaped grooves are concentrically arranged. The inner circumferential diameter of the arc-shaped groove is consistent with the inner circumferential diameter of the insulating adhesive layer of the wire. The second rotary cutting section includes two second cutters. A tangent groove is recessed on the side of the two second cutters that are close to each other. The rotary cutting station is also provided with a tangent driving component that drives the two second cutters to move closer to each other. When the two second cutters move closer to each other, the two tangent grooves are concentrically arranged. The inner circumferential diameter of the tangent groove is consistent with the inner circumferential diameter of the shielding layer of the wire. Inspection station, used to inspect the processing condition of wire ends; The moving station includes a rotation drive for driving the rotary cutting station to rotate, a translation drive for driving the clamping part to move from the rotary cutting station to the inspection station, and a retraction drive for driving the rotary cutting station to move along the length of the wire.

2. The wire ring cutter of claim 1, wherein: The retraction drive component includes a retraction motor, a retraction lead screw, and a drive plate. The retraction lead screw is fixedly connected to the drive shaft of the retraction motor. The rotary cutting station is located on one side of the drive plate. The drive plate is fixed to the end of the retraction lead screw away from the retraction motor. A fixing block is fixedly installed on the frame. The retraction lead screw is threadedly connected to the fixing block.

3. The wire ring cutter of claim 2, wherein: The rotary cutting station is provided in two places. The rotary drive component includes a rotary motor, a drive wheel, two transmission wheels and a synchronous belt. The synchronous belt is sleeved on the outer circumference of the drive wheel and the two transmission wheels. The rotary motor is located on the drive plate and drives the drive wheel to rotate.

4. The wire ring cutter of claim 3, wherein: A tensioning wheel is provided between the drive wheel and the transmission wheel. The tensioning wheel is rotatably connected to the drive plate and abuts against the outer periphery of the conveyor belt. Two tensioning wheels are provided corresponding to the transmission wheel.

5. The wire ring cutter of claim 4, wherein: The rotary cutting station also includes a rotating plate, one side of which is connected to a transmission wheel. Two first cutters are located on the side of the rotating plate away from the transmission wheel. One of the first cutters is fixedly connected to the rotating plate, and the other first cutter is hinged to the rotating plate. The proximity drive includes a cylinder and a hinge shaft. The cylinder is connected to the first cutter hinged to the rotating plate, and the cylinder pushes the first cutter to rotate around the hinge shaft.

6. The wire ring cutter of claim 5, wherein: The rotating plate has a fixed plate and a connecting plate on the side away from the transmission wheel. The fixed plate is fixedly connected to one of the first cutters, and the connecting plate is hinged to the other first cutter. The hinge shaft is inserted into the connecting plate. The connecting plate is also connected to a mounting plate. The cylinder is mounted on the mounting plate. A spring for assisting reset is also connected between the mounting plate and the first cutter connected to the connecting plate.

7. The wire circumferential cutting machine according to claim 6, characterized in that: The tangential drive includes a synchronization plate, wherein one of the first cutters is connected to the hinge shaft via the synchronization plate, one of the second cutters is connected to the fixed plate, and the other second cutter is connected to the synchronization plate; the distance between the two first cutters is set according to the diameter of the insulating adhesive layer, and the distance between the two second cutters is set according to the diameter of the shielding layer.

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