A cutting device for cable copper cores

Abstract

The application relates to the technical field of cable cutting, and discloses a cutting device for a cable copper core, which comprises a protective shell, a guide sleeve and a rotating seat rotatably connected to the guide sleeve, two guide blocks are symmetrically and slidably connected to the rotating seat in the radial direction, and a cutting disc is rotatably installed on the guide blocks, the core lies in that the rotating seat and the cutting disc are driven to revolve by the rotating assembly, the two guide blocks are synchronously and radially driven to move by the radial movement mechanism, and the driving mechanism utilizes a set of space connecting rod gear systems to ensure that the two cutting discs can keep stable synchronous reverse rotation during the radial movement and revolution of the cutting disc, the cutting device adopts the surrounding cutting by combining the reverse rotation of the double cutting discs with the revolution, replaces the traditional shearing, effectively solves the technical problems of cable cutting deformation, burr and cable torsion during cutting, the structure design is ingenious, the transmission is reliable, the anti-collision knife function is possessed, and the cutting quality and operation safety are remarkably improved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of cable cutting, and particularly relates to a cutting device for a cable copper core. BACKGROUND

[0002] In the process of cable production and power construction, the cutting of the cable copper core is one of the key processes. The quality of the cut end face directly affects the reliability and electrical performance of subsequent operations such as crimping and connecting. A smooth, burr-free and undeformed cut is crucial to ensuring the mechanical strength and electrical efficiency of the cable connection point.

[0003] At present, the common cable cutting devices on the market are mainly divided into two categories: one is a scissors-type cutting tool driven manually or hydraulically, and the other is a fixed cutting machine driven electrically or pneumatically. However, these existing technologies have obvious deficiencies and defects in mechanical structure and actual use:

[0004] Firstly, for scissors-type cutting tools (such as manual hydraulic shears), they rely on the simple relative closing motion of two blades to achieve shearing. This working principle has inherent drawbacks: before cutting the cable, a huge shearing force will first cause serious extrusion to the cable, resulting in deformation of the cable copper core (such as a circular conductor being flattened into an oval shape), which destroys its original geometric shape. At the same time, this instantaneous punching and shearing method is prone to generate burrs and flash at the cut, which not only affects safe operation, but also poses hidden dangers for subsequent use, such as uneven electric field distribution or loose connection.

[0005] Secondly, for fixed cutting machines, although some devices use a rotating cutting disc, the structure is usually relatively simple. The common practice is to rotate and feed a single cutting disc. This design brings new problems: when the rotating cutting disc contacts the surface of the cable, due to the action of friction, a single torque will be generated on the cable, causing the cable to twist or deflect during cutting. For cables with complex internal structure, such twisting is extremely easy to cause internal damage. In addition, a single cutting disc or cutting discs rotating in the same direction cannot balance the lateral force, which may cause the cutting path to be skewed, making it difficult to obtain a vertical and smooth cut. SUMMARY

[0006] The purpose of the embodiments of the present application is to provide a cutting device for a cable copper core, which aims to solve the above problems.

[0007] This invention is implemented as follows: a cutting device for copper core cables includes a protective housing and a guide sleeve fixed at one end of the protective housing. A rotating seat is rotatably connected to one end of the guide sleeve inside the protective housing. A rotating assembly for driving the rotating seat to rotate is provided on the protective housing. Two guide grooves are radially symmetrically arranged on the rotating seat. Guide blocks are slidably connected to each of the two guide grooves along their length, meaning the two guide blocks slide radially on the rotating seat. A radial moving mechanism for driving the two guide blocks to move is provided on the protective housing. Cutting discs are rotatably connected to each of the two guide blocks. A driving mechanism for driving the two cutting discs to rotate synchronously in opposite directions is provided on the protective housing.

[0008] In a further technical solution, the rotating assembly includes an external gear ring fixed on the side wall of the rotating seat, and a motor fixed at one end of the protective housing. The rotating end of the motor extends into the protective housing and is fixed with a gear, which meshes with the external gear ring.

[0009] A further technical solution includes a radial moving mechanism comprising a rotating disk rotatably connected to a rotating seat, the rotating disk having a first pushing groove and a second pushing groove, both guide blocks having annular ends, and the two annular ends being slidably connected within the first pushing groove and the second pushing groove, respectively; the second pushing groove includes a first pushing section and a second pushing section that are interconnected, the second pushing groove being V-shaped, and the ends of the first pushing section and the second pushing section that are far apart from each other being close to the edge of the rotating disk, and a second rotating component for driving the rotating disk to rotate is provided on the protective housing.

[0010] In a further technical solution, the rotating component two includes an external gear ring two fixed on the side wall of the rotating disk, and a motor two fixed at one end of the protective housing. The rotating end of the motor two extends into the protective housing and is fixed with a gear two, which meshes with the external gear ring two.

[0011] A further technical solution includes a driving mechanism comprising two connecting rods rotatably connected to a rotating base, each connecting rod rotatably connected to a rotating shaft at its end, and connecting rods rotatably connected to each of the two rotating shafts, the ends of which are respectively rotatably connected to two guide blocks; an external gear ring rotatably connected to the rotating base; gears rotatably fixed to each of the two rotating shafts, both gears meshing with the external gear ring rotatably; a gear rotatably fixed to one of the cutting discs, meshing with gear rotatably on one of the rotating shafts; a synchronous pulley fixed to the other cutting disc and the other rotating shaft; the two synchronous pulleys being connected by a synchronous belt drive; and a rotating assembly rotatably mounted on the protective housing for driving the external gear ring rotatably.

[0012] Further technical solutions, the rotating assembly three includes motor three fixedly arranged at one end of the protective shell, the rotating end of the motor three extends into the protective shell and is fixedly provided with gear five, the gear five is engaged with the outer gear ring three, and the gear five is arranged in dislocation with the gear three.

[0013] Further technical solutions, further include positioning and clamping mechanism, the positioning and clamping mechanism includes support plate, a plurality of guide grooves two are uniformly arranged on the support plate, a plurality of clamping blocks are slidably connected in the plurality of guide grooves two along the length direction, the support plate is provided with synchronous movement assembly for driving a plurality of clamping blocks to move synchronously towards or reversely.

[0014] Further technical solutions, the synchronous movement assembly includes drive disc rotatably connected to one end of the support plate, a plurality of push grooves three are uniformly arranged on the drive disc, a plurality of sliding shafts are slidably connected in the plurality of push grooves three, and the plurality of sliding shafts are fixedly arranged on the plurality of clamping blocks respectively, the support plate is fixedly provided with motor four, the rotating end of the motor four is fixedly provided with gear six, and the side wall of the drive disc is embeddedly provided with outer gear ring four, and the outer gear ring four is engaged with the gear six.

[0015] Compared with the prior art, the beneficial effects of the present application are:

[0016] 1, the present application adopts two symmetrical cutting discs to cut the cable in a ring type and gradually, instead of the traditional scissor type and instantaneous punching, the cutting process is synchronized and uniform from the outer edge of the cable to the center line, which avoids the extrusion deformation of the cable copper core caused by the huge concentrated shearing force (such as the round conductor being flattened), so that a high-quality cut with flatness, smoothness and no burr is obtained, which greatly improves the reliability of subsequent crimping and connection.

[0017] 2, the two cutting discs are accurately and reversely rotated by the driving mechanism, and the torque acting on the cable is equal in size and opposite in direction, which is cancelled out, which fundamentally eliminates the problem of cable torsion or deflection caused by single torque in the cutting process, ensures the perpendicularity of the cut, and effectively protects the precise structure (such as shielding layer, optical fiber unit, etc.) that may exist inside the cable, and is especially suitable for high-standard precision cutting occasions.

[0018] 3, the driving mechanism adopts a unique space connecting rod gear system composed of outer gear ring three, connecting rod, rotating shaft, gear and synchronous belt, the cleverness of the design lies in that when the radial movement mechanism drives the guide block and the cutting disc to move radially, the relative position between the transmission components can be adaptively adjusted through the hinge and rotation of connecting rod one and connecting rod two, so that the stability of gear engagement and synchronous belt transmission is not affected, so that stable and synchronous reverse rotation power can be continuously obtained during the entire radial movement and revolution of the two cutting discs.

[0019] 4. The V-shaped pushing groove two (including pushing section one and pushing section two) on the rotating disc in the radial movement mechanism is designed ingeniously. In the cutting final stage, when the cable is about to be completely cut off, the mechanism can automatically guide one of the cutting discs to slightly retreat backward, while the other cutting disc continues to complete the final cutting. This "one advances and one retreats" action effectively avoids the collision (i.e. "knife collision") of the two cutting discs at the center point, significantly improving the service life and operation safety of the tool. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A structural schematic diagram of a cable copper core cutting device is provided.

[0021] Figure 2 A structural schematic diagram of a cable copper core cutting device is provided. Figure 1 A structural schematic diagram of a cable copper core cutting device is provided.

[0022] Figure 3 A structural schematic diagram of a cable copper core cutting device is provided. Figure 1 A structural schematic diagram of a cable copper core cutting device is provided.

[0023] Figure 4 A structural schematic diagram of a cable copper core cutting device is provided. Figure 3 A structural schematic diagram of a cable copper core cutting device is provided.

[0024] Figure 5 A structural schematic diagram of a cable copper core cutting device is provided. Figure 3 A structural schematic diagram of a cable copper core cutting device is provided.

[0025] Figure 6 A structural schematic diagram of a cable copper core cutting device is provided. Figure 4 A structural schematic diagram of a cable copper core cutting device is provided.

[0026] Figure 7 A structural schematic diagram of a cable copper core cutting device is provided. Figure 4 A structural schematic diagram of a cable copper core cutting device is provided.

[0027] Figure 8 A structural schematic diagram of a cable copper core cutting device is provided. Figure 6 A structural schematic diagram of a cable copper core cutting device is provided.

[0028] Figure 9 A structural schematic diagram of a cable copper core cutting device is provided. Figure 1 A structural schematic diagram of a cable copper core cutting device is provided.

[0029] Figure 10 A structural schematic diagram of a cable copper core cutting device is provided. Figure 9 A structural schematic diagram of a cable copper core cutting device is provided.

[0030] In the drawings: 101, guide sleeve; 102, rotating seat; 103, guide groove one; 104, guide block; 105, cutting disc; 106, protective shell;

[0031] 2, rotating assembly one; 201, outer gear ring one; 202, motor one; 203, gear one;

[0032] 3, radial movement mechanism; 301, rotating disc; 302, push groove one; 303, push groove two; 304, push section one; 305, push section two; 4, rotating assembly two; 401, outer gear ring two; 402, motor two; 403, gear two;

[0033] 5, drive mechanism; 501, outer gear ring three; 502, connecting rod one; 503, connecting rod two; 504, rotating shaft; 505, gear three; 506, gear four; 507, synchronous pulley; 508, synchronous belt; 6, rotating assembly three; 601, motor three; 602, gear five;

[0034] 7, positioning and clamping mechanism; 701, support plate; 702, guide groove two; 703, clamping block; 8, synchronous movement assembly; 801, motor four; 802, gear six; 803, outer gear ring four; 804, drive disc; 805, push groove three; 806, sliding shaft. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application.

[0036] The specific implementation of the present application is described in detail below in combination with specific examples.

[0037] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , a cutting device for cable copper core is provided for an embodiment of the present application, comprising a protective shell 106, further comprising: a guide sleeve 101 fixed at one end of the protective shell 106, the guide sleeve 101 is rotationally connected with a rotating seat 102 at one end inside the protective shell 106, the protective shell 106 is provided with a rotating assembly one 2 for driving the rotating seat 102 to rotate; the rotating seat 102 is provided with two guide grooves one 103 radially symmetrically, two guide blocks 104 are slidingly connected in the two guide grooves one 103 along the length direction, i.e. two guide blocks 104 slide radially in the rotating seat 102, the protective shell 106 is provided with a radial movement mechanism 3 for driving two guide blocks 104 to move; two guide blocks 104 are rotationally connected with cutting discs 105, the protective shell 106 is provided with a drive mechanism 5 for driving two cutting discs 105 to rotate synchronously and reversely.

[0038] In the embodiment of the present application, when the cable passes through the rotating seat 102, the driving mechanism 5 drives the two cutting discs 105 to rotate in opposite directions synchronously, the rotating assembly 2 drives the rotating seat 102 to rotate, the rotating seat 102 drives the two guide blocks 104 and the two cutting discs 105 to revolve along their axes, and then the two cutting discs 105 revolve and rotate along the axis of the rotating seat 102, and the radial moving mechanism 3 drives the two guide blocks 104 to move synchronously towards the axis of the rotating seat 102, so as to cut the cable; since the two cutting discs 105 are symmetrically arranged, when the two cutting discs 105 cut the cable, they can also support the cable to avoid bending of the cable to one side due to the pushing force of the cutting disc 105; when the rotating cutting disc 105 contacts the surface of the cable, a huge torsional force will be generated on the cable due to friction, which will make the cable rotate or twist during the cutting process, resulting in uneven incisions, and the cable with precise internal structure will be seriously damaged; when the two cutting discs 105 rotate in opposite directions, the torques acting on the cable are equal in size and opposite in direction, one cutting disc 105 tries to twist the cable clockwise, and the other cutting disc 105 tries to twist the cable counterclockwise, the two torques cancel each other out, and the net torque is zero, so the cable remains stable during the cutting process and does not twist.

[0039] As shown in Figure 2 , Figure 3 , Figure 4 and Figure 5 , as a preferred embodiment of the present application, the rotating assembly 2 comprises an outer tooth ring 201 fixed on the side wall of the rotating seat 102, and a motor 202 fixed at one end of the protective shell 106, the rotating end of the motor 202 extends into the protective shell 106 and is fixed with a gear 203, and the gear 203 is engaged with the outer tooth ring 201.

[0040] In the embodiment of the present application, the motor 202 drives the gear 203 to rotate, the gear 203 drives the outer tooth ring 201 to rotate, and the outer tooth ring 201 drives the rotating seat 102 to rotate.

[0041] As shown in Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 8As shown, as a preferred embodiment of the present application, the radial moving mechanism 3 comprises a rotating disc 301 rotatably connected to the rotating seat 102, the rotating disc 301 is provided with a pushing groove one 302 and a pushing groove two 303, two of the guide blocks 104 are each formed with an annular end and are slidably connected in the pushing groove one 302 and the pushing groove two 303 respectively; the pushing groove two 303 comprises a pushing section one 304 and a pushing section two 305 which are communicated with each other, the pushing groove two 303 is V-shaped, and the pushing section one 304 and the pushing section two 305 are each away from the rotating disc 301 edge, the protective shell 106 is provided with a rotating assembly two 4 for driving the rotating disc 301 to rotate; the rotating assembly two 4 comprises an outer gear ring two 401 fixed on the rotating disc 301 side wall, and a motor two 402 fixed on one end of the protective shell 106, the rotating end of the motor two 402 extends into the protective shell 106 and is fixed with a gear two 403, the gear two 403 is engaged with the outer gear ring two 401.

[0042] In the embodiment of the present application, in the initial state, the guide block 104 is located at one end of the guide groove one 103 close to the rotating seat 102 edge, the motor two 402 drives the gear two 403 to rotate, the gear two 403 drives the outer gear ring two 401 to rotate, the outer gear ring two 401 drives the rotating disc 301 to rotate, when the rotating disc 301 rotates at the same speed and in the same direction as the rotating seat 102, the cutting disc 105 does not move radially on the rotating seat 102, the cutting disc 105 moves to the rotating seat 102 axis, so that the rotating disc 301 rotates at the same speed but different speed with the rotating seat 102, the rotating speed of the rotating disc 301 is greater than that of the rotating seat 102, at this time, the rotating disc 301 rotates relative to the rotating seat 102, the rotating disc 301 drives the two guide blocks 104 through the pushing groove one 302 and the pushing section one 304 of the pushing groove two 303, so that the two guide blocks 104 drive the two cutting discs 105 to move synchronously to the rotating seat 102 axis; avoid the situation that the two cutting discs 105 collide when cutting the cable, until the two cutting discs 105 reach the rotating seat 102 axis (i.e. the cable axis), at this time, the cable is not completely cut off, one of the guide blocks 104 moves to the connection between the pushing section one 304 and the pushing section two 305, when the guide block 104 slides into the pushing section two 305, the pushing section two 305 drives one of the guide blocks 104 to move to the rotating seat 102 edge, i.e. one of the guide blocks 104 drives one of the cutting discs 105 to move away from the cable axis, so that the other cutting disc 105 moves to the cable axis, when the cable is finally cut off, the two cutting discs 105 move in the same direction as Figure 8 , avoid the situation that the two cutting discs 105 collide.

[0043] As shown in the drawings, Figure 3 , Figure 4 , Figure 5 and Figure 7As shown, as a preferred embodiment of the present application, the driving mechanism 5 comprises two connecting rods one 502 rotatably connected on the rotating seat 102, the ends of the two connecting rods one 502 are rotatably connected with rotating shafts 504, the two rotating shafts 504 are rotatably connected with connecting rods two 503, the ends of the two connecting rods two 503 are rotatably connected on the two guide blocks 104 respectively; the rotating seat 102 is rotatably connected with an external gear ring three 501, the two rotating shafts 504 are fixedly provided with gear wheels three 505 respectively, and the two gear wheels three 505 are engaged with the external gear ring three 501, one of the cutting discs 105 is fixedly provided with a gear wheel four 506, and the gear wheel four 506 is engaged with the gear wheel three 505 on one of the rotating shafts 504, the other cutting disc 105 and the other rotating shaft 504 are fixedly provided with synchronous pulleys 507 respectively, the two synchronous pulleys 507 are drivingly connected through a synchronous belt 508, the protective shell 106 is provided with a rotating assembly three 6 for driving the external gear ring three 501 to rotate; the rotating assembly three 6 comprises a motor three 601 fixedly arranged at one end of the protective shell 106, the rotating end of the motor three 601 extends into the protective shell 106 and is fixedly provided with a gear wheel five 602, the gear wheel five 602 is engaged with the external gear ring three 501, and the gear wheel five 602 is arranged in a staggered manner with the gear wheel three 505.

[0044] In the embodiment of the present application, when the two cutting discs 105 need to rotate, the motor three 601 drives the gear wheel five 602 to rotate, the gear wheel five 602 drives the external gear ring three 501 to rotate, the rotating speed of the external gear ring three 501 is greater than that of the rotating seat 102, the external gear ring three 501 drives the two gear wheels three 505 to rotate, the two gear wheels three 505 drive the two rotating shafts 504 to rotate, one of the rotating shafts 504 drives the gear wheel four 506 to reverse through the gear wheel three 505 arranged on the upper portion thereof, the gear wheel four 506 drives one of the cutting discs 105 to reverse, the other rotating shaft 504 drives the other cutting disc 105 to rotate through the synchronous pulley 507 and the synchronous belt 508, thereby making the two cutting discs 105 rotate reversely; and when the guide blocks 104 move radially on the rotating seat 102, the angle between the connecting rod one 502 and the connecting rod two 503 changes, since the length of the connecting rod one 502 is unchanged, the external gear ring three 501 and the gear wheel three 505 always remain engaged, since the length of the connecting rod two 503 is unchanged, the distance between the cutting disc 105 and the rotating shaft 504 is unchanged, so that the gear wheel three 505 on one of the rotating shafts 504 and the gear wheel four 506 on one of the cutting discs 105 always remain engaged, so that the synchronous pulley 507 on the other rotating shaft 504 and the synchronous pulley 507 on the other cutting disc 105 always remain drivingly connected through the synchronous belt 508, thereby ensuring that the two cutting discs 105 stably rotate.

[0045] As Figure 1 , Figure 9 and Figure 10As shown, as a preferred embodiment of the present application, further comprises positioning clamping mechanism 7, the positioning clamping mechanism 7 includes support plate 701, the support plate 701 is uniformly provided with a plurality of guide grooves two 702, a plurality of the guide grooves two 702 are slidably connected with clamping block 703 along the length direction, the support plate 701 is provided with synchronous movement assembly 8 for driving a plurality of clamping block 703 synchronous movement or reverse movement;The synchronous movement assembly 8 includes the driving disc 804 rotatably connected to the one end of support plate 701, the driving disc 804 is uniformly provided with a plurality of push grooves three 805, a plurality of the push grooves three 805 are slidably connected with slide shaft 806, a plurality of the slide shaft 806 are respectively fixed on a plurality of clamping block 703, the support plate 701 is fixedly provided with motor four 801, the rotating end of motor four 801 is fixedly provided with gear six 802, the side wall of driving disc 804 is embeddedly installed with outer gear ring four 803, and outer gear ring four 803 is engaged with gear six 802.

[0046] In the embodiment of the present application, in the initial state, a plurality of clamping blocks 703 are away from each other, and the cable passes between the guide sleeve 101 and the plurality of clamping blocks 703, when the cable needs to be cut off, the motor four 801 drives the gear six 802 to rotate, the gear six 802 drives the driving disc 804 to rotate, the driving disc 804 pushes a plurality of slide shafts 806 through a plurality of push grooves three 805, under the guidance of a plurality of guide grooves two 702, a plurality of slide shafts 806 drive a plurality of clamping blocks 703 to move synchronously, and then a plurality of clamping blocks 703 correct the position of the cable and clamp it;After the cable cutting is completed, the motor four 801 drives the gear six 802 to reverse, and a plurality of clamping blocks 703 move reversely synchronously, so as to release the cable.

[0047] The above only describes the preferred embodiment of the present application, and does not limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A cutting device for copper cores of cables, comprising a protective housing, characterized in that, Also includes: A guide sleeve is fixed at one end of the protective housing. The end of the guide sleeve located inside the protective housing is rotatably connected to a rotating seat. A rotating assembly is provided on the protective housing to drive the rotating seat to rotate. Two guide grooves are radially symmetrically arranged on the rotating base. Guide blocks are slidably connected in both guide grooves along their length direction. That is, the two guide blocks slide radially on the rotating base. A radial moving mechanism for driving the two guide blocks to move is provided on the protective housing. Both guide blocks are rotatably connected to cutting discs, and the protective housing is equipped with a drive mechanism for driving the two cutting discs to rotate synchronously in opposite directions. The drive mechanism includes two connecting rods rotatably connected to a rotating seat. The ends of the two connecting rods rotatably connect to a rotating shaft. The two rotating shafts are each connected to a connecting rod rotatably. The ends of the two connecting rods rotatably connect to two guide blocks, respectively. An external gear ring three is rotatably connected to the rotating base. Gear three is fixed on both rotating shafts and meshes with the external gear ring three. Gear four is fixed on one of the cutting discs and meshes with gear three on one of the rotating shafts. Synchronous pulleys are fixed on the other cutting disc and the other rotating shaft. The two synchronous pulleys are connected by a synchronous belt drive. A rotating assembly three for driving the external gear ring three to rotate is provided on the protective housing. The rotating assembly three includes a motor three fixed at one end of the protective housing. The rotating end of the motor three extends into the protective housing and is fixed with a gear five. The gear five meshes with the external gear ring three, and the gear five and gear three are misaligned.

2. The cutting device for copper core of a cable according to claim 1, characterized in that, The rotating assembly includes an external gear ring fixed on the side wall of the rotating seat, and a motor fixed at one end of the protective housing. The rotating end of the motor extends into the protective housing and is fixed with a gear, which meshes with the external gear ring.

3. The cutting device for copper core of a cable according to claim 1, characterized in that, The radial moving mechanism includes a rotating disk rotatably connected to a rotating seat. The rotating disk is provided with a first pushing groove and a second pushing groove. Both guide blocks have annular ends formed on them, and the two annular ends are slidably connected in the first pushing groove and the second pushing groove, respectively. The second push groove includes a push section one and a push section two that are connected to each other. The second push groove is V-shaped, and the ends of the push section one and the push section two that are far apart from each other are close to the edge of the rotating disk. The protective housing is provided with a rotating component two for driving the rotating disk to rotate.

4. The cutting device for copper core of a cable according to claim 3, characterized in that, The rotating assembly 2 includes an external gear ring 2 fixed on the side wall of the rotating disk, and a motor 2 fixed at one end of the protective housing. The rotating end of the motor 2 extends into the protective housing and is fixed with a gear 2, which meshes with the external gear ring 2.

5. The cutting device for copper core of a cable according to claim 1, characterized in that, It also includes a positioning and clamping mechanism, which includes a support plate. Multiple guide grooves are evenly arranged in a ring on the support plate. Clamping blocks are slidably connected in each of the multiple guide grooves along their length. The support plate is provided with a synchronous moving component for driving the multiple clamping blocks to move synchronously in opposite directions.

6. The cutting device for copper core of a cable according to claim 5, characterized in that, The synchronous moving component includes a drive disk rotatably connected to one end of a support plate. Multiple push grooves are evenly arranged in a ring on the drive disk. Each push groove is slidably connected to a sliding shaft. The sliding shafts are fixed on multiple clamping blocks. A motor is fixed on the support plate. A gear is fixed on the rotating end of the motor. An external gear ring is embedded in the side wall of the drive disk. The external gear ring meshes with the gear.

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