Coaxial cable shielding layer shearing equipment

Abstract

According to the coaxial cable shielding layer shearing equipment, the cable is clamped through the clamping assembly, then the driving motor drives the tool bit to rotate to shear the shielding layer on the periphery of the cable, and the shearing flatness of the shielding layer of the cable can be guaranteed through the rotary cutting mode; the clamping assembly controls the cable clamp through the handle, the opening and closing degree of the cable clamp can be adjusted through the handle according to cables with different cable diameters, and therefore the cable clamp can be used for clamping the cables with different cable diameters. The positioning rods are arranged, and the wire inlet depth of the cable can be changed by selecting the positioning rods with different lengths, so that insulating layers with different lengths are sheared, and various use requirements are met; the automation degree of the driving motor driving rotation mode is high, and the shearing efficiency can be greatly improved.

Description

Technical Field

[0001] The present application belongs to the field of cable processing technology, and specifically relates to a coaxial cable shielding layer shearing device. Background Art

[0002] High-voltage wire harnesses are widely used in the aviation industry, elevator industry, automobile industry and other industries. During the processing and production of high-voltage wire harnesses, the cable shielding layer at the end needs to be trimmed to facilitate subsequent use.

[0003] In the related art, the shearing of the cable shielding layer is generally performed manually, and it is difficult to ensure the smoothness of the shearing. The unevenness of the shielding layer port will cause the decline of the insulation performance and the voltage resistance performance in the subsequent assembly process; and the manual cutting method is inefficient.

[0004] Therefore, it is necessary to provide a coaxial cable shielding layer cutting device to solve the problems raised in the above background technology. Summary of the invention

[0005] The present application provides a coaxial cable shielding layer cutting device, which clamps the cable through a clamping assembly, and then drives the cutter head to rotate through a driving motor to cut the shielding layer around the cable, thereby ensuring the flatness of the cable shielding layer cut; and the mechanized operation method can greatly improve efficiency compared to manual operation.

[0006] In order to solve the above technical problems, the technical solution of this application is:

[0007] A coaxial cable shielding layer cutting device, comprising:

[0008] A clamping assembly, used for clamping the cable whose shielding layer is to be cut;

[0009] The cutter assembly comprises a rotating sleeve, a fixed ring, a knife holder, a transmission ring block and a knife head, wherein the fixed ring is clamped between the rotating sleeve and the knife holder, the transmission ring block is fixed to the periphery of the knife holder, the fixed ring is provided with a notch in the axial direction, a corresponding protrusion is provided on the rotating sleeve, the protrusion passes through the notch and abuts against the end of the transmission ring block, a knife feed groove is provided on one side of the knife holder in the radial direction, the knife head is arranged in the knife feed groove, the number of the knife heads is two, and the two knife heads are arranged opposite to each other and located on opposite sides of the cable;

[0010] and a driving motor, wherein the output shaft of the driving motor is connected to the rotating sleeve, driving the rotating sleeve to rotate, driving the knife holder to rotate, and causing the knife head to rotate to cut the shielding layer on the cable.

[0011] Preferably, the rotating sleeve includes a rotating body and a connecting sleeve, the rotating body is a hollow structure with one end open and the other end closed, the connecting sleeve is located at one end of the rotating body close to the drive motor, and the output shaft of the drive motor is fixed to the connecting sleeve.

[0012] Preferably, the transmission ring block and the tool holder are connected via a matching structure of latch teeth and latch grooves.

[0013] Preferably, the clamping assembly includes a bracket, a wire clamp seat, a wire clamp, a cam and a handle, the wire clamp seat is fixed on the bracket, the wire clamp seat is provided with a slide groove extending through the wire clamp seat in a radial direction, the wire clamp is installed in the slide groove, the number of the wire clamps is two, the two wire clamps are relatively spaced and located on both sides of the cable, and are used to cooperate in clamping the cable, and the wire clamp located above is fixed to the wire clamp seat; the cam is sleeved on the periphery of the wire clamp seat, the handle is fixed to the outer surface of the cam and provided in a radial direction, the handle is used to drive the cam to rotate, the inner surface of the cam is recessed to form a travel groove, a wire clamp force block is provided at one end of the wire clamp, the wire clamp force block is located in the travel groove, and the depth of the travel groove gradually deepens along the circumferential direction of the cam.

[0014] Preferably, one end of the wire clamp away from the wire clamp force block is provided with clamping teeth, the ends of the two wire clamps provided with clamping teeth are arranged opposite to each other, and the clamping teeth on the two wire clamps are arranged in a staggered manner.

[0015] Preferably, the wire clamp seat is formed by splicing two monomers along the axial direction, and the two monomers are connected by bolts.

[0016] Preferably, the cutter assembly also includes a positioning rod, one end of which is installed in the connecting sleeve, and the other end is suspended in the hollow area of ​​the rotating body, the bracket is provided with a first through hole along the axial direction, the wire clamp seat is provided with a second through hole along the axial direction, the second through hole is cross-arranged with the slide groove and the intersection of the two is connected, the tool holder is provided with a third through hole along the axial direction, the first through hole, the second through hole and the third through hole are connected in sequence as a cable entry channel, the cable passes through the cable entry channel and the gap between the two cutter heads in sequence to abut against the positioning rod.

[0017] Preferably, the positioning rod is detachably connected to the connecting sleeve, and the side wall of the rotating body is hollowed out to serve as a disassembly and installation window for the positioning rod.

[0018] Preferably, the coaxial cable shielding layer shearing device further includes a base plate, and the bracket and the driving motor are both fixed to the base plate.

[0019] The beneficial effects of this application are:

[0020] (1) The cable is clamped by a clamping assembly, and then the cutter head is driven by a driving motor to rotate to shear the shielding layer around the cable. The rotary cutting method can ensure the flatness of the shearing of the cable shielding layer;

[0021] (2) The clamping assembly controls the wire clamp through a handle. For cables with different wire diameters, the opening and closing degree of the wire clamp can be adjusted by the handle, so that it can be used to clamp cables with different wire diameters;

[0022] (3) A positioning rod is provided. By selecting a positioning rod of different lengths, the cable entry depth can be changed, thereby cutting the insulation layer of different lengths to meet various usage requirements;

[0023] (4) The driving motor drives the rotation in a highly automated manner, which can greatly improve the shearing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram showing the structure of a coaxial cable shielding layer cutting device provided by the present application;

[0025] Figure 2 express Figure 1 The schematic diagram of the exploded structure of the coaxial cable shield shearing device shown;

[0026] Figure 3 express Figure 1 A cross-sectional view of a coaxial cable shield shearing device is shown;

[0027] Figure 4 express Figure 1 A schematic diagram of the exploded structure of the clamping assembly shown;

[0028] Figure 5 express Figure 1 a cross-sectional view of the clamp assembly shown;

[0029] Figure 6 express Figure 1 Schematic diagram of the exploded structure of the cutter assembly shown. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0031] Please refer to Figure 1-Figure 6The present application provides a coaxial cable shielding layer cutting device 100, including a clamping assembly 10, a driving motor 20 and a cutting knife assembly 30.

[0032] The clamping assembly 10 is used to clamp the coaxial cable whose shielding layer is to be cut. The clamping assembly 10 includes a bracket 11, a wire clamp seat 12, a wire clamp 13, a cam 14 and a handle 15.

[0033] The bracket 11 provides a supporting effect for the clamping assembly 10, the wire clamp seat 12 is fixed on the bracket 11, and the wire clamp seat 12 is provided with a slide groove 120 along the radial direction. The wire clamp 13 is installed in the slide groove 120. There are two wire clamps 13, and the two wire clamps are relatively spaced and located on both sides of the cable for clamping the cable. The wire clamp 13 located above is fixed to the wire clamp seat 12.

[0034] The clamp seat 12 is formed by splicing two monomers 121 along the axial direction, and the two monomers 121 are connected by bolts.

[0035] The wire clamp 13 is provided with a wire clamp force block 131 at one end and a clamping tooth 132 at the other end. The two wire clamps 13 are provided with clamping teeth at one end facing each other, and the clamping teeth 131 on the two wire clamps 13 are staggered, which can exert an effect on different positions of the cable, maintain a good clamping effect, and prevent the cable from rotating.

[0036] The cam 14 is sleeved on the outer periphery of the wire clamp seat 12, and the handle 15 is fixed to the outer surface of the cam 14 and arranged in the radial direction, and the handle 15 is used to drive the cam 14 to rotate. The inner surface of the cam is recessed to form a travel groove 140, and the wire clamp force block 131 is located in the travel groove 140, and the depth of the travel groove 140 gradually deepens along the circumferential direction of the cam 14.

[0037] When the handle 15 is pulled, the cam 14 rotates accordingly, exerting force on the wire clamp force block 131, driving the wire clamp force block 131 to move along the travel groove 140. When the wire clamp force block 131 moves to a deep position along the travel groove 140, the two wire clamps 13 are opened accordingly to place the cable. When the wire clamp force block 131 moves to a shallow position along the travel groove 140, the two wire clamps are closed accordingly to clamp the cable.

[0038] The driving motor 20 is a motor used to drive the cutter assembly 30 to rotate to complete the shearing process.

[0039] The cutter assembly 30 includes a rotating sleeve 31 , a fixing ring 32 , a cutter holder 33 , a transmission ring block 34 , a cutter head 35 and a positioning rod 36 .

[0040] The rotating sleeve 31 is connected to the output shaft of the driving motor 20. The rotating sleeve 31 includes a rotating body 311 and a connecting sleeve 312. The rotating body 311 is a hollow structure with one end open and the other end closed. The connecting sleeve 312 is located at one end of the rotating body 311 close to the driving motor 20. The output shaft of the driving motor 20 is inserted into the connecting sleeve 312. The driving motor 20 drives the rotating sleeve 31 to rotate as a whole.

[0041] The fixed ring 32 is sandwiched between the rotating sleeve 31 and the tool holder 33, and the transmission ring block 34 is fixed to the periphery of the tool holder 33. The fixed ring 32 is provided with a notch 320 along the axial direction, and the rotating body 311 is provided with a corresponding protrusion 3110, and the protrusion 3110 passes through the notch 320 and abuts against the end of the transmission ring block 34. The transmission ring block 34 is provided to transmit the force of the rotating sleeve 31 to the tool holder 33, so that the force direction of the tool holder 33 is consistent with the movement direction, and the effect of shear force can be avoided. Preferably, the transmission ring block 34 and the tool holder 33 can increase the transmission area through the matching structure of the latch teeth and the latch grooves.

[0042] A knife feed groove 330 is provided along the radial direction on one side of the knife holder 33, and the knife head 35 is provided in the knife feed groove 330. There are two knife heads 35, which are arranged opposite to each other and located on opposite sides of the cable. The rotation of the knife holder 33 drives the two knife heads 35 to rotate to complete the shearing process. The cutting depth can be changed by adjusting the interval between the two knife heads 35 to meet the shearing requirements of the shielding layers of cables of different specifications.

[0043] One end of the positioning rod 36 is installed in the connecting sleeve 312, and the other end is suspended in the hollow area of ​​the rotating body 311. The bracket 10 is provided with a first through hole 110 along the axial direction; the wire clamp seat 12 is provided with a second through hole 122 along the axial direction, the second through hole 122 is cross-arranged with the slide groove 120 and the intersection of the two is connected; the tool holder 33 is provided with a third through hole 331 along the axial direction, the first through hole 110, the second through hole 122 and the third through hole 331 are connected in sequence as the cable entry channel, and the cable passes through the entry channel and the gap between the two blades 35 in sequence to abut against the positioning rod 36. By adjusting the length of the positioning rod 36, the cable entry length can be changed, thereby adjusting the shear length of the shielding layer. The side wall of the rotating body 311 is hollowed out to serve as a replacement window for the positioning rod 36.

[0044] Furthermore, the coaxial cable shielding layer cutting device 100 also includes a base plate 40 , and the bracket 11 and the driving motor 20 are both fixed to the base plate 40 .

[0045] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A coaxial cable shielding layer cutting device, characterized in that: include: A clamping assembly, used for clamping the cable whose shielding layer is to be cut; The cutter assembly comprises a rotating sleeve, a fixed ring, a knife holder, a transmission ring block and a knife head, wherein the fixed ring is clamped between the rotating sleeve and the knife holder, the transmission ring block is fixed to the periphery of the knife holder, the fixed ring is provided with a notch in the axial direction, a corresponding protrusion is provided on the rotating sleeve, the protrusion passes through the notch and abuts against the end of the transmission ring block, a knife feed groove is provided on one side of the knife holder in the radial direction, the knife head is arranged in the knife feed groove, the number of the knife heads is two, and the two knife heads are arranged opposite to each other and located on opposite sides of the cable; and a driving motor, wherein the output shaft of the driving motor is connected to the rotating sleeve, driving the rotating sleeve to rotate, driving the knife holder to rotate, and causing the knife head to rotate to cut the shielding layer on the cable.

2. The coaxial cable shielding layer cutting device according to claim 1, characterized in that: The rotating sleeve includes a rotating body and a connecting sleeve. The rotating body is a hollow structure with one end open and the other end closed. The connecting sleeve is located at one end of the rotating body close to the driving motor. The output shaft of the driving motor is fixed to the connecting sleeve.

3. The coaxial cable shielding layer cutting device according to claim 2, characterized in that: The transmission ring block and the tool holder are connected via a matching structure of latch teeth and latch grooves.

4. The coaxial cable shielding layer cutting device according to claim 3, characterized in that: The clamping assembly includes a bracket, a wire clamp seat, a wire clamp, a cam and a handle, the wire clamp seat is fixed on the bracket, the wire clamp seat is provided with a slide groove penetrating along the radial direction, the wire clamp is installed in the slide groove, the number of the wire clamps is two, the two wire clamps are relatively spaced and located on both sides of the cable, and are used to cooperate in clamping the cable, and the wire clamp located above is fixed to the wire clamp seat; the cam is sleeved on the outer periphery of the wire clamp seat, the handle is fixed to the outer surface of the cam and is provided along the radial direction, the handle is used to drive the cam to rotate, the inner surface of the cam is recessed to form a travel groove, a wire clamp force block is provided at one end of the wire clamp, the wire clamp force block is located in the travel groove, and the depth of the travel groove gradually deepens along the circumferential direction of the cam.

5. The coaxial cable shielding layer cutting device according to claim 4, characterized in that: One end of the wire clamp away from the wire clamp force block is provided with clamping teeth, the ends of the two wire clamps provided with clamping teeth are arranged opposite to each other, and the clamping teeth on the two wire clamps are arranged in a staggered manner.

6. The coaxial cable shielding layer cutting device according to claim 4, characterized in that: The wire clamp seat is formed by splicing two monomers along the axial direction, and the two monomers are connected by bolts.

7. The coaxial cable shielding layer cutting device according to claim 4, characterized in that: The cutter assembly also includes a positioning rod, one end of which is installed in the connecting sleeve, and the other end is suspended in the hollow area of ​​the rotating body. The bracket is provided with a first through hole along the axial direction, and the wire clamp seat is provided with a second through hole along the axial direction. The second through hole is cross-arranged with the slide groove and the intersection of the two is connected. The tool holder is provided with a third through hole along the axial direction. The first through hole, the second through hole and the third through hole are connected in sequence as a cable entry channel. The cable passes through the cable entry channel and the gap between the two cutter heads in sequence to abut against the positioning rod.

8. The coaxial cable shielding layer cutting device according to claim 7, characterized in that: The positioning rod is detachably connected to the connecting sleeve, and the side wall of the rotating body is hollowed out to serve as a disassembly and installation window for the positioning rod.

9. The coaxial cable shielding layer cutting device according to claim 5, characterized in that: The coaxial cable shielding layer shearing device also includes a base plate, and the bracket and the driving motor are both fixed to the base plate.

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