CN210926895U

CN210926895U - Cable insulation skin cutting device

Info

Publication number: CN210926895U
Application number: CN201921986652.1U
Authority: CN
Inventors: 左小飞
Original assignee: Shanghai Sunhe Electromechanical Equipment Installation Co ltd
Current assignee: Shanghai Sunhe Electromechanical Equipment Installation Co ltd
Priority date: 2019-11-16
Filing date: 2019-11-16
Publication date: 2020-07-03
Anticipated expiration: 2029-11-16

Abstract

The utility model relates to a cable insulation skin cutting device in cable wire stripping field, aim at solving the problem of cutting cable equipment cost, it includes a supporting bench, be equipped with the through-hole that supplies the cable to pass on the supporting bench, the supporting bench top is equipped with first three-jaw chuck, be equipped with the strutting arrangement who is connected with a supporting bench on the first three-jaw chuck, the through-hole is equipped with the ring of the intraductal diameter unanimity in coaxial and internal diameter and the cable insulation skin of first three-jaw chuck towards one side of first three-jaw chuck, the external diameter of ring is not less than the external diameter of insulation skin, the ring comprises a plurality of semicircle rings, the semicircle ring all sets up to the great metal of resistance, the both ends of semicircle ring are passed through the wire and are connected with the power, one side that the semicircle ring deviates from the centre of. The utility model discloses have and do not use the cutter, save the effect of equipment later stage consumer cost.

Description

Cable insulation skin cutting device

Technical Field

The utility model belongs to the technical field of the technique of cable wire stripping equipment and specifically relates to a cable insulation skin cutting device is related to.

Background

When the existing cable is connected with a power distribution cabinet or electrical equipment, part of insulating skin at the end of the cable is generally required to be cut and stripped, so that the cable is connected after a wire is exposed, and for thin cables, an operator can complete the operation of stripping the cable by different handheld wire strippers, but for thick cables of the cable, the insulating skin of the cable is generally very hard and can be completed only by a special peeler.

The existing Chinese patent with the publication number of CN202424028U discloses an insulated wire peeling and breaking device, which comprises a frame with an opening formed on one side, a groove for clamping the insulated wire is formed at the bottom in the frame, the other side of the frame opposite to the opening is slidably mounted in a sliding sleeve, a mounting frame is mounted on one side end face of the sliding sleeve, a cutter is horizontally hinged in the mounting frame, a blade is arranged on the lower portion of a cutter head facing the opening, a pressure spring is mounted between the upper end of the front portion of the cutter and the mounting frame, the upper end of the rear portion of the cutter is pressed and connected to the lower end portion of an adjusting bolt embedded in the upper end of the mounting frame, an upper pressure plate opposite to the groove at the bottom of the frame is formed on the surface of the sliding sleeve in the frame, a baffle is mounted on the surface of the sliding sleeve on the upper portion of the upper pressure plate, and.

The handle is moved, the screw rod is unscrewed to be separated from the baffle, the sliding sleeve is upwards pushed, the insulated conductor is placed into the groove from the opening, then the sliding sleeve is downwards pushed, the upper pressing plate presses the insulated conductor, then the screw rod is screwed down to be tightly pressed on the baffle, then the adjusting bolt is unscrewed to enable the cutter to swing downwards under the action of the pressure spring, the frame is rotated, the cutting edge at the lower part of the cutter head of the cutter is cut into the outer skin of the insulated conductor and is contacted with the conductor part in the insulated conductor, the frame is continuously rotated, and the cutting edge at the lower part of the cutter head is in an arc shape bent towards the frame, so that the driving force towards the frame is formed during rotation, and the frame integrally rotates and moves towards the insulated conductor direction without cutting the outer skin, and therefore the continuous cutting of.

The above prior art solutions have the following drawbacks: when the cutter is used for cutting the insulating sheet, the cutter is quickly abraded, the cutter needs to be frequently replaced, and the later consumption cost of equipment is increased.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a cable insulation skin cutting device has the effect that does not use the cutter, saves equipment later stage consumables cost.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a cable insulation skin cutting device, includes a supporting bench, be equipped with the through-hole that supplies the cable to pass on the supporting bench, the supporting bench top is equipped with first three-jaw chuck, be equipped with the strutting arrangement who is connected with a supporting bench on the first three-jaw chuck, the through-hole is equipped with the ring unanimous with the cable insulation skin internal diameter with coaxial and the internal diameter of first three-jaw chuck towards one side of first three-jaw chuck, and the external diameter of ring is not less than the external diameter of insulation skin, the ring comprises a plurality of semicircle rings, the semicircle ring all sets up to the great metal of resistance, the both ends of semicircle ring are passed through the wire and are connected with the power, one side that the semicircle ring deviates from the centre of a circle is equipped with the drive semicircle ring along the.

Through adopting above-mentioned technical scheme, pass through-hole and first three-jaw chuck with the cable from the one side that the brace table deviates from first three-jaw chuck, make the position and the semicircle ring that will cut align, the jack catch of adjustment first three-jaw chuck is close to and presss from both sides the cable tightly, the position of fixed cable. Before threading, controlling a driving device to enable each semi-circular ring to move towards a direction far away from the circle center, enabling the semi-circular rings to be separated from each other, turning on a power supply to enable the semi-circular rings to be electrified, enabling the semi-circular rings to be made of metal with larger resistance, and enabling the temperature to rise after electrification; after the cable is clamped, the temperature of the semicircular ring rises, and a power supply is disconnected; control drive arrangement makes the semicircle ring of high temperature be close to the cable along the direction of radius, will insulate skin fusing when the semicircle ring of high temperature is close to insulating skin, and the internal diameter of ring is unanimous with the internal diameter of insulating skin, and when the terminal surface mutual butt of semicircle ring, the semicircle ring will insulate the skin complete fusing just, accomplishes the cutting of insulating skin. And the external diameter of ring is not less than the external diameter of insulating skin, and the terminal surface of insulating skin after the fusing still contacts with the semicircle ring, both can make the terminal surface of insulating skin be difficult to recombine and guarantee the effect of cutting, can guarantee simultaneously that the semicircle ring can keep away from the cable smoothly, supplies the cable to pass next time. The semicircle ring of high temperature becomes soft melting with insulating skin when contacting again, and consequently the effort that receives insulating skin is less, and the wearing and tearing that the in-process of cutting insulating skin was received are very little, are difficult to take place wearing and tearing and damage, need not change the semicircle ring often, reduce the cost of equipment later stage consumables.

The utility model discloses further set up to: the driving device comprises a first air cylinder connected with the supporting table, a pushing shaft of the first air cylinder is connected with one side, deviating from the circle center, of the middle part of the semicircular ring, and the pushing shaft of the first air cylinder is parallel to a connecting line of the connecting point of the semicircular ring and the first air cylinder and the circle center.

Through adopting above-mentioned technical scheme, the promotion axle of first cylinder stretches out, and semicircle ring is close to the cable, and the promotion axle withdrawal of first cylinder drives the semicircle ring and keeps away from the direction of cable and be close to, realizes that semicircle ring contact cable passes with insulating skin separation confession next time cable after fusing.

The utility model discloses further set up to: the semicircle ring deviates from one side of the centre of a circle and the one end of first cylinder promotion axle orientation semicircle ring all is equipped with the insulating piece, be equipped with on the insulating piece pass two insulating pieces and with two insulating piece threaded connection's first bolt.

Through adopting above-mentioned technical scheme, the promotion axle of first cylinder passes through the insulating piece and is connected with the semicircle ring, reduces the unexpected circumstances that communicates the power of first cylinder, reduces the circumstances that operating personnel electrocuted, improves the security of cable wire stripping device. Simultaneously, the insulating sheets connected through the first bolt are convenient for separating the two insulating sheets, cables with different radiuses can be conveniently replaced, and the application range of the cable stripping device is enlarged.

The utility model discloses further set up to: one side that first three-jaw chuck deviates from a supporting bench is equipped with the baffle that corresponds with the through-hole, and the baffle is equal to cable cutting length towards one side of first three-jaw chuck and distance between the ring, be equipped with the connecting rod of being connected with first three-jaw chuck on the baffle.

Through adopting above-mentioned technical scheme, will be close to the terminal surface and the baffle butt of cutting distolateral during the cutting cable, the cutting position can align with the semicircle ring, just can begin the cutting, reduces the time of chucking cable operation, improves the efficiency of cutting insulating skin.

The utility model discloses further set up to: the one end that the connecting rod is close to the baffle is equipped with the telescopic link, the connecting rod is equipped with the trompil that supplies the telescopic link to slide along the connecting rod axial direction towards the one end of baffle, the one end that the connecting rod is close to the baffle is equipped with and passes the connecting rod and support tight second bolt with the telescopic link, second bolt and connecting rod threaded connection.

Through adopting above-mentioned technical scheme, rotate second bolt and telescopic link separation, adjust the telescopic link and stretch out the length of trompil, rotate the second bolt again and support tightly fixed telescopic link with the telescopic link, can adjust the distance between baffle and the semicircle ring through the control telescopic link, adapt to the different cutting length of cable, enlarge the application scope of cable wire stripping device.

The utility model discloses further set up to: scales distributed along the axial direction of the telescopic rod are arranged on the peripheral wall of the telescopic rod.

Through adopting above-mentioned technical scheme, can adjust the distance of baffle and ring in advance through observing the scale, screw up the position back of second bolt fastening baffle, pass through-hole and ring and baffle butt with the cable, can align cutting position and semicircle ring, improve the efficiency of adjustment baffle position. Compared with the mode that the cutting position is aligned with the semicircular ring when the human eyes observe, the mode of observing the scales is used for aligning the cutting position more accurately, and the accuracy of cutting the insulating skin is improved.

The utility model discloses further set up to: the supporting device comprises a second air cylinder fixedly connected with the circumferential side wall of the first three-jaw chuck, a pushing shaft of the second air cylinder is fixedly connected with the supporting table, and a second three-jaw chuck coaxially arranged with the first three-jaw chuck is arranged below the supporting table.

Through adopting above-mentioned technical scheme, pass the second three-jaw chuck with the cable in proper order, the through-hole, semicircle ring and first three-jaw chuck align with the semicircle ring until cable cutting position, jack catch and the cable butt with first three-jaw chuck and second three-jaw chuck, accomplish the cutting back, semicircle ring and cable separation, the promotion of control second cylinder is stretched out, along with stretching out of the promotion axle of second cylinder, the first three-jaw chuck orientation that is connected with the second cylinder deviates from the direction motion of brace table, simultaneously the second three-jaw chuck presss from both sides tight cable clamp, first three-jaw chuck supports tightly the insulating skin after cutting and stimulates the one side that the orientation deviates from the brace table and removes, make the insulating skin under the cutting and the wire separation in the cable. The operation of the insulating skin after the manual separation cutting has been saved, and compare manual operation more laborsavingly as the drive power of separation through the second cylinder, efficiency is higher. And after separation, the pushing shaft of the second air cylinder is retracted to be close to the support table, and the clamping jaws of the first three-jaw chuck and the second three-jaw chuck are moved in the direction far away from the cable to prepare for next threading.

The utility model discloses further set up to: the end face, facing the chuck axis, of the clamping jaw of the first three-jaw chuck is provided with a convex thorn.

Through adopting above-mentioned technical scheme, protruding thorn can sting in the insulating skin when first three-jaw chuck jack catch is close to the cable, increases the frictional force of jack catch and insulating skin. Make jack catch and cable be connected tighter, reduce first three-jaw chuck when removing with the relative displacement of insulating skin, improve the success rate of insulating skin and wire separation after the cutting.

To sum up, the utility model discloses a beneficial technological effect does:

1. the high-temperature semicircular ring can fuse the insulating skin to complete cutting of the cable insulating skin, the high-temperature semicircular ring is not easy to wear, and the cost of later-stage consumables of equipment is reduced;

2. the baffle improves the efficiency of aligning the cutting position of the cable with the semicircular ring;

3. after the cutting is finished, the first three-jaw chuck tightly clamps the cut insulating skin and the second three-jaw chuck tightly tensions the complete part of the cable, and under the action of the second cylinder, the first three-jaw chuck drives the cut insulating skin to separate, so that the efficiency of separating the cut insulating skin is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic view of a second three-jaw chuck according to the present invention.

Reference numerals: 1. a support table; 11. a through hole; 12. a first three-jaw chuck; 13. a support device; 14. a circular ring; 15. a semicircular ring; 16. a drive device; 2. an insulating sheet; 21. a first bolt; 3. a baffle plate; 31. a connecting rod; 32. opening a hole; 33. a telescopic rod; 34. a second bolt; 35. calibration; 4. a second three-jaw chuck; 5. and (5) protruding stabs.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and fig. 2, for the utility model discloses a cable insulation skin cutting device, including supporting bench 1, be equipped with the through-hole 11 that supplies the cable to pass on supporting bench 1, the internal diameter of through-hole 11 is greater than the external diameter of cable, supporting bench 1 top is equipped with first three-jaw chuck 12, be equipped with the strutting arrangement 13 of being connected with supporting bench 1 on the first three-jaw chuck 12, one side of through-hole 11 towards first three-jaw chuck 12 is equipped with the ring 14 coaxial with first three-jaw chuck 12 and the internal diameter is unanimous with cable insulation skin internal diameter, the external diameter of ring 14 is not less than the external diameter of insulation skin, ring 14 comprises a plurality of semicircle rings 14, semicircle ring 14 all sets up to the great metal of resistance, in this embodiment, ring 14 comprises four quarter rings 14, ring 14's material is iron chromium aluminium electrothermal alloy. The both ends of semicircle ring 14 are passed through the wire and are connected with the power, and one side that semicircle ring 14 deviates from the centre of a circle is equipped with the drive arrangement 16 of drive semicircle ring 14 along the motion of direction of radius, and drive arrangement 16 includes the first cylinder of being connected with brace table 1, and first cylinder passes through the trachea and is connected with air compressor. The pushing shaft of the first cylinder is connected with one side of the middle part of the semicircular ring 14, which deviates from the circle center, and the pushing shaft of the first cylinder is parallel to a connecting line of the connection point of the semicircular ring 14 and the first cylinder and the circle center. In this embodiment, the pushing shaft of the first cylinder is connected to the center of the semicircular ring 14 in the axial direction.

As shown in fig. 1 and 3, in order to facilitate separation of the cut insulation sheet, the supporting device 13 includes a second cylinder fixedly connected to a circumferential side wall of the first three-jaw chuck 12, and the second cylinder is connected to an air compressor through an air pipe. The promotion axle and the brace table 1 fixed connection of second cylinder, in this embodiment, the second cylinder is provided with along first three-jaw chuck 12 circumference evenly distributed's three, and the second cylinder flushes towards the side of brace table 1 with first three-jaw chuck 12 towards the terminal surface of brace table 1. A second three-jaw chuck 4 which is coaxial with the first three-jaw chuck 12 is arranged below the supporting table 1, and the second three-jaw chuck 4 is fixedly connected with the supporting table 1. The end face, facing the chuck axis, of the jaw of the first three-jaw chuck 12 is provided with the spurs 5, so that the friction force between the jaw and the cable insulation skin can be increased conveniently.

As shown in fig. 2, in order to reduce the potential safety hazard of the cable insulation sheath cutting device, the one side of the semicircular ring 14 departing from the center of the circle and the one end of the first cylinder, which faces the semicircular ring 14, are both provided with insulation sheets 2, and the insulation sheets 2 are provided with first bolts 21 which pass through the two insulation sheets 2 and are in threaded connection with the two insulation sheets 2. In this embodiment, the insulating sheet 2 is a ceramic sheet, and the insulating sheet 2 is connected to the semicircular ring 14 and the push shaft of the first cylinder through screws.

As shown in fig. 1, in order to reduce the time required for aligning the cable cutting position with the semicircular ring 14, a baffle 3 corresponding to the through hole 11 is disposed on one side of the first three-jaw chuck 12 away from the support table 1, the distance between one side of the baffle 3 facing the first three-jaw chuck 12 and the circular ring 14 is equal to the cable cutting length, and a connecting rod 31 connected to the first three-jaw chuck 12 is disposed on the baffle 3, in this embodiment, the connecting rod 31 is three and is uniformly distributed along the circumferential direction of the baffle 3. The distance between the baffle 3 and the supporting table 1 is smaller than the length of a pushing shaft of the second cylinder, so that the second cylinder can drive the cut insulation skin to be completely separated from the wire in the moving process.

As shown in fig. 1, in order to further expand the application range of the baffle 3, an expansion link 33 is disposed at one end of the connecting rod 31 close to the baffle 3, one end of the connecting rod 31 far from the baffle 3 is fixedly connected to the first three-jaw chuck 12, an opening 32 for the expansion link 33 to slide along the axial direction of the connecting rod 31 is disposed at one end of the connecting rod 31 facing the baffle 3, a second bolt 34 penetrating through the connecting rod 31 and abutting against the expansion link 33 is disposed at one end of the connecting rod 31 close to the baffle 3, and the second bolt 34 is in threaded connection with the connecting rod 31. The peripheral wall of the telescopic rod 33 is provided with scales 35 distributed along the axial direction of the telescopic rod 33. In this embodiment, the numerical value of the flush position of the telescopic rod 33 and the baffle 3 toward the side wall of the support table 1 is the distance between the side wall of the baffle 3 toward the support table 1 and the semicircular ring 14 when the baffle 3 abuts against the connecting rod 31, and the vertical direction of the scale 35 is gradually increased from the telescopic rod 33 toward the first three-jaw chuck 12. The value of the alignment between the telescopic rod 33 and the connecting rod 31 is the distance between the baffle 3 and the semicircular ring 14, i.e. the length of the cut insulation skin.

The implementation principle of the embodiment is as follows: the scale 35 of the telescopic rod 33 is adjusted to correspond to the length to be cut, the second bolt 34 is rotated to tightly abut against the telescopic rod 33, and the position of the baffle 3 is fixed. The extension length of the pushing shaft of the second air cylinder is controlled, so that the pushing shaft of the first air cylinder and the clamping jaws of the first three-jaw chuck 12 can just freely move along the space between the first three-jaw chuck 12 and the supporting table 1, and the clamping jaws of the first three-jaw chuck 12 are close to the position for cutting the insulating skin as much as possible. The driving shaft of the first cylinder is controlled to contract, each semicircular ring 14 moves towards the direction far away from the circle center, the semicircular rings 14 are separated from each other, the power supply is turned on to electrify the semicircular rings 14, and the temperature of the electrified semicircular rings 14 begins to rise. The cable sequentially passes through the second three-jaw chuck 4, the through hole 11, the semicircular ring 14 and the first three-jaw chuck 12 until the end face close to the cutting end side is abutted to the baffle 3, the cutting position can be aligned to the semicircular ring 14, and the clamping jaws of the first three-jaw chuck 12 and the second three-jaw chuck 4 are abutted to the cable. After the temperature of the semicircular ring 14 rises to 300 ℃, the power supply is disconnected; the promotion axle of the first cylinder of control stretches out, makes the semicircle ring 14 of high temperature be close to the cable along the direction of radius, will insulate skin fusing when the semicircle ring 14 of high temperature is close to insulating skin, and the internal diameter of semicircle ring 14 is unanimous with the internal diameter of insulating skin, and when the mutual butt of terminal surface of semicircle ring 14, semicircle ring 14 fuses completely insulating skin just, accomplishes the cutting of insulating skin. And controlling the pushing shaft of the first air cylinder to contract so that the semicircular ring 14 is separated from the cable.

The pushing of the second cylinder is controlled to stretch out, along with the stretching out of the pushing shaft of the second cylinder, the first three-jaw chuck 12 connected with the second cylinder moves towards the direction departing from the supporting table 1, meanwhile, the second three-jaw chuck 4 clamps the complete cable tightly, the first three-jaw chuck 12 supports the cut insulating skin tightly and moves towards one side departing from the supporting table 1, and the cut insulating skin is separated from a wire in the cable.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a cable insulation skin cutting device which characterized in that: comprises a supporting platform (1), a through hole (11) for a cable to pass through is arranged on the supporting platform (1), a first three-jaw chuck (12) is arranged above the supporting platform (1), a supporting device (13) connected with the supporting platform (1) is arranged on the first three-jaw chuck (12), a circular ring (14) which is coaxial with the first three-jaw chuck (12) and has the inner diameter consistent with the inner diameter of the cable insulating sheath is arranged on one side of the through hole (11) facing the first three-jaw chuck (12), the outer diameter of the circular ring (14) is not smaller than the outer diameter of the insulating sheath, the circular ring (14) is composed of a plurality of semicircular rings (14), the semicircular rings (14) are all made of iron-chromium-aluminum electrothermal alloy, the two ends of the semicircular ring (14) are connected with a power supply through wires, and one side of the semicircular ring (14) departing from the circle center is provided with a driving device (16) for driving the semicircular ring (14) to move along the radius direction.

2. A cable insulation sheath cutting device according to claim 1, wherein: the driving device (16) comprises a first air cylinder connected with the supporting table (1), a pushing shaft of the first air cylinder is connected with one side, deviating from the circle center, of the middle of the semicircular ring (14), and the pushing shaft of the first air cylinder is parallel to a connecting line of the connection point of the semicircular ring (14) and the first air cylinder and the circle center.

3. A cable insulation sheath cutting device according to claim 2, wherein: semicircle ring (14) deviate from one side of the centre of a circle and the one end of first cylinder promotion axle orientation semicircle ring (14) all is equipped with insulating piece (2), be equipped with on insulating piece (2) pass two insulating pieces (2) and with two insulating piece (2) threaded connection's first bolt (21).

4. A cable insulation sheath cutting device according to claim 1, wherein: one side that first three-jaw chuck (12) deviates from brace table (1) is equipped with baffle (3) that correspond with through-hole (11), and baffle (3) are equal to cable cutting length towards one side of first three-jaw chuck (12) and distance between ring (14), be equipped with connecting rod (31) of being connected with first three-jaw chuck (12) on baffle (3).

5. A cable insulation sheath cutting device according to claim 4, wherein: one end that connecting rod (31) is close to baffle (3) is equipped with telescopic link (33), connecting rod (31) are equipped with trompil (32) that supplies telescopic link (33) to slide along connecting rod (31) axial direction towards the one end of baffle (3), the one end that connecting rod (31) is close to baffle (3) is equipped with and passes connecting rod (31) and support second bolt (34) tight with telescopic link (33), second bolt (34) and connecting rod (31) threaded connection.

6. A cable insulation sheath cutting device according to claim 5, wherein: scales (35) distributed along the axial direction of the telescopic rod (33) are arranged on the peripheral wall of the telescopic rod (33).

7. A cable insulation sheath cutting device according to claim 1, wherein: the supporting device (13) comprises a second cylinder fixedly connected with the circumferential side wall of the first three-jaw chuck (12), a pushing shaft of the second cylinder is fixedly connected with the supporting table (1), and a second three-jaw chuck (4) coaxially arranged with the first three-jaw chuck (12) is arranged below the supporting table (1).

8. A cable insulation sheath cutting device according to claim 7, wherein: the end surfaces of the jaws of the first three-jaw chuck (12) facing the axis of the chuck are provided with convex thorns (5).