CN111711125A

CN111711125A - Cable stripping machine

Info

Publication number: CN111711125A
Application number: CN202010613537.0A
Authority: CN
Inventors: 陶瑞祥; 彭雄; 江亚朔; 李俊超; 佟阳阳; 潘松杰
Original assignee: Zhejiang Chint Electric Cable Co ltd
Current assignee: Zhejiang Chint Electric Cable Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2020-09-25

Abstract

The invention relates to a cable peeling machine which comprises a rack, an unwinding roller and a winding roller, wherein the unwinding roller is rotatably arranged at the front end of the rack, the winding roller is rotatably arranged at the rear end of the rack, the rack is provided with a cutting device for cutting and peeling a cable, the cutting device comprises a guide sleeve in clearance fit with a cable core of the cable, the outer circumferential wall of the guide sleeve is at least provided with two cutting knives for cutting a cable rubber layer, the cutting edges of the cutting knives extend to the end part of the guide sleeve, close to one side of the unwinding roller, and the shortest distance between the cutting edges of the cutting knives and the axis of the guide sleeve is equal to the radius of the guide sleeve. The cable peeling machine is not easy to damage the cable core of the cable in the process of peeling the cable.

Description

Cable stripping machine

Technical Field

The invention relates to the technical field of waste cable recycling, in particular to a cable stripping machine.

Background

In the process of upgrading and transforming the cable line, a large amount of cables need to be replaced, so that a large amount of waste cables are generated, and the replaced waste cables are not suitable for being used as power lines again due to the problems of deformation, damage and the like of the waste cables and inevitable damage and cutting in the replacement process. In order to accord with the idea of saving and protecting the environment, the waste cable sheath and the metal core material can be recycled again.

Chinese patent application No. 2018109720472 discloses a waste cable stripper, which comprises: a frame; the pay-off roller is supported on the rack and used for winding the waste cable; the straightening device is supported on the rack and used for straightening the waste cable to be stripped; the cutting device is supported on the rack and used for cutting a cable sheath of the waste cable to be stripped; the two cable sheath winding rollers are supported on the rack and are used for winding the separated cable sheaths; the copper core winding roller is supported on the rack and is used for winding the separated cable copper core; the pay-off roller straightening device, the cutting device, two the cable skin winding rollers and the copper core winding rollers are arranged in sequence from one end of the rack, and the two cable skin winding rollers are symmetrically arranged on two sides of the rack. The cutting device is two cutting knives, and the rubber layer of cable is given through the cutting knife and is shelled, and the cable skin can be collected on cable skin winding roller, and the copper core of cable can be collected on copper core winding roller to can realize the function of skinning the cable.

The waste cable stripper still has the following defects: the cable sheath 12 outside the cable is formed by injection molding through an injection molding machine, the injected cable sheath 12 is possibly uneven up, down, left and right (as shown in fig. 5), a cutting knife on the cable peeling machine is fixed during cutting, if the rubber layer of a certain section of the cable is uneven during cutting, if the cable sheath 12 above the cable is thicker, the cutting knife below the cable can cut the cable core 13 of the cable, and the cable core 13 is damaged.

Disclosure of Invention

In view of the defects in the prior art, one of the purposes of the present invention is to provide a cable stripping machine, which is not easy to damage the cable core of the cable during the cable stripping process.

The above object of the present invention is achieved by the following technical solutions: the utility model provides a cable stripping machine, includes the frame, rotates to set up in the unreel roller of frame front end, rotate and set up in the wind-up roll of frame rear end, the frame is equipped with the cutting device who skins the cable cutting, cutting device include with the cable core clearance fit's of cable uide bushing, the outer periphery wall of uide bushing is provided with two cutting knives to the cutting of cable rubber layer at least, the cutting edge of cutting knife extends to on being close to the uide bushing tip of unreeling roller one side, the shortest distance between the cutting edge of cutting knife and the uide bushing axis equals the radius of uide bushing.

Through adopting above-mentioned technical scheme, at the in-process of skinning, the cable core of cable passes the uide bushing, constantly get into from the one end of uide bushing, and wear out from one end in addition, the cutting knife on the uide bushing also can constantly cut the cable skin during this period, the uide bushing can play the effect of direction to the cable core of cable, and the cutting knife is fixed on the uide bushing again, thereby make the cable at the in-process of skinning, the cable core of the difficult cutting knife cable of cutting knife, be difficult for causing the damage to the cable core of cable.

The present invention in a preferred example may be further configured to: the guide sleeve is inclined relative to the end face of one side of the unwinding roller, and the inclined face inclines towards one side of the unwinding roller from the outer wall of the guide sleeve to the inner wall of the guide sleeve.

After the guide sleeve is sleeved on the cable core of the cable, a certain gap is bound to exist between the cutting knife and the cable core of the cable, so that when the cutting knife is used for cutting a very deep cut on the cable sheath, but the cut is not completed, the subsequent cable sheath is blocked by the guide sleeve, the cable sheath is pulled into two halves towards two sides, the pulling force applied to the cable sheath is larger, the cable sheath is easy to break, and the subsequent collection is influenced. The cable sheath is not easy to break.

The present invention in a preferred example may be further configured to: and a straightening device is arranged between the unwinding roller and the cutting device, the straightening device comprises a straightening pipe for a cable to pass through, and the inner wall of the straightening pipe is in clearance fit with the outer wall of the cable.

Some places of old and useless cable are probably crooked, and crooked cable is in follow-up cutting, and the crooked cable core of cutting knife still very easily to can lead to the fact the destruction to the cable core, through adopting above-mentioned technical scheme, when the cable is through straightening the straight tube, because the diameter of straightening the straight tube is fixed, the straightening pipe can be straightened complete cable, thereby makes in follow-up when skinning, the cable core of cutting knife cable is more difficult for.

The present invention in a preferred example may be further configured to: one end of the straightening pipe close to the unwinding roller is fixedly butted with an opening expanding pipe, and the inner diameter of one end of the opening expanding pipe close to the straightening pipe is smaller than that of the other end of the opening expanding pipe.

By adopting the technical scheme, the arrangement of the flared tube enables the bent cable to enter the straightening tube more easily.

The present invention in a preferred example may be further configured to: the guide sleeve comprises a sleeve and a sliding bearing fixedly arranged in the sleeve.

Through adopting above-mentioned technical scheme, slide bearing's setting makes the wearing and tearing that reduce greatly between with the cable core of cable for the cable core of cable is more difficult to the damage at the in-process of skinning.

The present invention in a preferred example may be further configured to: the frame is provided with the support column, the support column is provided with fixed cover, the internal diameter of fixed cover is greater than the external diameter of uide bushing, be equipped with the elastic component between uide bushing and the fixed cover, the uide bushing passes through the elastic component location in fixed cover.

When the guide sleeve is fixed, if the rubber layer of a certain section of the cable is uneven, the friction force between the cable core of the cable on the side with the relatively thin rubber layer and the guide sleeve is relatively large, and the abrasion is relatively large.

The present invention in a preferred example may be further configured to: the support column is including the cover body one and with the cover body two that the cover body one slides and cup joints, cover body one and fixed cover fixed connection, cover body two slides with the frame and is connected, the direction of sliding of support column is the same with the axis direction of unreeling roller, straightening pipe and fixed cover fixed connection.

When unreeling the unwrapping wire of winding roller and receiving the line of winding roller, whole cable can be constantly about reciprocating motion, highly can constantly reduce, through adopting above-mentioned technical scheme, the support column slides and sets up in the frame, and can stretch out and draw back from top to bottom, and such setting makes whole fixed cover can follow the cable and remove, can further reduce the wearing and tearing between cable and the uide bushing.

The present invention in a preferred example may be further configured to: the frame is equipped with and carries out towed draw gear to the cable skin after the separation, draw gear includes that two rotate the carry over pinch rolls that set up in the frame, two carry over pinch rolls parallel arrangement each other, the frame is equipped with two carry over pinch roll pivoted actuating mechanism of drive, the frame is equipped with the cutting device who cuts off the cable skin.

The cable sheath collecting device has the advantages that the cable sheath collecting device is used for collecting the cable sheath in a winding mode, the winding roller needs to be conveyed together in the subsequent conveying process, the conveying is troublesome, and the pulled cable sheath is cut into a section through the cutting device by adopting the technical scheme, so that the subsequent conveying can be facilitated.

The present invention in a preferred example may be further configured to: the cutting device comprises a cutting knife fixedly arranged on one of the traction rollers, the distance between the two traction rollers is smaller than the thickness of the cable sheath, the height of the cutting knife is equal to the distance between the two traction rollers, the cutting knife is arc-shaped and is wound on the traction rollers, and the length from one end of the cutting knife to the other end of the cutting knife is larger than the thickness of the cable sheath relative to the axial direction of the traction rollers.

Through adopting above-mentioned technical scheme, the carry over pinch rolls can be constantly pull the cable skin in the pivoted and come, again because the cutting off cutter is arc and winding on the carry over pinch rolls, such setting up makes the cutting off cutter give the cable skin slowly and cut off, and two carry over pinch rolls can pull the cable skin all the time again, can cut off the processing to it again when pulling the cable skin like this, and draw gear and cutting device's overall structure can be simpler.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the cutting knife on the guide sleeve can move in a self-adaptive manner to the change of the cable, so that the cable core of the cable is not easy to damage when the cutting knife cuts the cable;

2. the cut cable sheath is directly cut off, so that subsequent carrying and recycling are facilitated;

drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is an elevational view of the support post and harness of fig. 1.

Fig. 3 is a schematic view of the structure of the cutting knife of fig. 1.

Fig. 4 is a schematic view of the structure of the traction device of fig. 1.

Fig. 5 is a schematic diagram of a cable structure with nonuniform injection molding.

In the figure, 1, a frame; 2. unwinding rollers; 3. a cutting device; 31. a guide sleeve; 311. a sleeve; 312. a sliding bearing; 32. a cutting knife; 33. an inclined surface; 4. a straightening device; 41. straightening a pipe; 42. a flared tube; 5. a support pillar; 51. a first sleeve body; 52. a second sleeve body; 6. fixing a sleeve; 7. an elastic member; 8. a traction device; 81. a traction roller; 82. a drive mechanism; 9. a cutting device; 91. a cutting knife; 10. a chute; 11. a slider; 12. a cable core; 13. a cable sheath; 14. a stop bar; 15. and (4) a bracket.

Detailed Description

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

Referring to fig. 1 and 2, the cable peeling machine disclosed by the invention comprises a frame 1, wherein an unwinding roller 2 is rotatably arranged on the left side of the frame 1, a winding roller is rotatably arranged on the right side of the frame 1, a cable is unwound from the unwinding roller 2, then a peeled cable core 12 is wound on the winding roller, and the unwinding roller 2 and the winding roller are driven by a motor.

A sliding chute 10 extending along the axial direction of the unwinding roller 2 is arranged on the frame 1, a sliding block 11 is connected in the sliding chute 10 in a sliding manner, a supporting column 5 is fixedly arranged on the sliding block 11, the supporting column 5 comprises a first sleeve body 51 and a second sleeve body 52 in sliding sleeve connection with the first sleeve body 51, the cross sections of the first sleeve body 51 and the second sleeve body 52 are circular, the first sleeve body 51 and the second sleeve body 52 can rotate relatively after being sleeved on the first sleeve body 51, the second sleeve body 52 is connected in the sliding chute 10 in a sliding manner, a fixed sleeve 6 is fixedly arranged at the upper end of the first sleeve body 51, a cutting device 3 is arranged in the fixed sleeve 6, the cutting device 3 comprises two elastic parts 7 fixedly arranged on the inner wall of a guide sleeve 31 through bolts, the two elastic parts 7 are distributed in the fixed sleeve 6 up and down, the elastic parts 7 are rubber blocks, a guide sleeve 31 is arranged between the two elastic parts 7, the guide sleeve 31 is fixedly connected with the elastic parts 7 through bolts, the cable core 12 of the cable passes through the sliding bearing 312, and the inner wall of the sliding bearing 312 is in clearance fit with the outer wall of the cable core 12; two cutting knives 32 are arranged on the outer wall of the guide sleeve 31, and the two cutting knives 32 are symmetrical with each other about the axis of the guide sleeve 31.

Two stop bars 14 are fixedly arranged on the inner wall of the fixed sleeve 6, the side walls of the stop bars 14 are abutted against the end part of the guide sleeve 31 far away from one side of the unwinding roller 2, and the stop bars 14 can prevent the guide sleeve 31 from moving towards the conveying direction of the cable.

As shown in fig. 1 and 3, the cutting edge of the cutting knife 32 faces one side of the unwinding roller 2 and extends to the end of the guiding sleeve 31, the shortest distance between the cutting edge of the cutting knife 32 and the axis of the sliding bearing 312 is equal to the radius of the sliding bearing 312, the end surface of the guiding sleeve 31 facing one side of the unwinding roller 2 is an inclined surface 33, the inclined surface 33 is inclined from the outer wall of the guiding sleeve 31 to the inner wall thereof facing one side of the unwinding roller 2, when the cable moves forward, the inclined surface 33 enters between the cable sheath 13 and the cable core 12, the cable core 12 of the cable passes through the sliding bearing 312, and the cutting knife 32 can cut the cable sheath 13 into two halves.

As shown in FIG. 1, a straightening device 4 is arranged between the unwinding roller 2 and the guide sleeve 31, the straightening device 4 comprises a straightening pipe 41, the straightening pipe 41 is fixedly arranged on the guide sleeve 31 through a bracket 15, the inner wall of the straightening pipe 41 is in clearance fit with the outer wall of a cable, an expanding pipe 42 is fixedly butted at one end of the straightening pipe 41 close to the unwinding roller 2, the inner diameter of one end of the expanding pipe 42 close to the straightening pipe 41 is the same as that of the straightening pipe 41, the inner diameter of one end of the expanding pipe 42 close to the straightening pipe 41 is smaller than that of the other end, the cable passes through the straightening pipe 41, the straightening pipe 41 can straighten the cable, and the cable is straightened and then subjected to peeling treatment.

As shown in fig. 1 and 4, two traction devices 8 are arranged on the frame 1, the two traction devices 8 are respectively arranged at the left side and the right side of the cutting device 3, the cutting device 3 cuts the cable sheath 13 into two halves and then respectively pulls the two halves through the traction devices 8 at the left side and the right side, each traction device 8 comprises two traction rollers 81 rotatably arranged on the frame 1, the two traction rollers 81 are arranged in parallel up and down, a driving mechanism 82 for driving the two traction rollers 81 to rotate is further arranged on the frame 1, and the driving mechanism 82 is a motor; each traction device 8 is additionally provided with a cutting device 9, each cutting device 9 comprises a cutting knife 91 fixedly arranged on one of the traction rollers 81, each cutting knife 91 is arc-shaped and wound on the traction roller 81, the transverse length of each cutting knife 91 is equal to the length of the corresponding traction roller 81, the distance between the two traction rollers 81 is smaller than the thickness of the cable sheath 13, and the height of each cutting knife 91 is equal to the distance between the two traction rollers 81. Because the distance between two carry over pinch rolls 81 is less than the thickness of cable sheath 13, cutting off cutter 91 is the arc again, can constantly pull out cable sheath 13 like this, can cut off cable sheath 13 simultaneously and handle, conveniently collect the transport.

The implementation principle of the embodiment is as follows: after the device is started, the cable on the unreeling roller 2 is unreeled, the reeling roller is used for reeling the peeled cable core 12, the cable firstly passes through the straightening pipe 41 after being unreeled from the unreeling roller 2, the straightening pipe 41 can straighten the bent cable, the straightened cable enters the guide sleeve 31, the cutting knife 32 on the guide sleeve 31 can cut the cable sheath 13 into two parts, the guide sleeve 31 can continuously change along with the change of the position of the cable core 12, meanwhile, the whole fixing sleeve 6 can change along with the change of the position of the cable on the unreeling roller 2 and the reeling roller, the peeled cable is pulled through the traction device 8, the cable sheath 13 is cut through the cutting device 9, a collecting bag can be fixed on the rack 1 beside the traction device 8, the cut cable sheath 13 can directly fall into the collecting bag, so that the cable sheath 13 can be conveniently collected and transported, meanwhile, the cable core 12 of the cable is not easy to damage in the process of peeling the cable.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a cable stripping machine, includes frame (1), rotates to set up in unreeling roller (2) of frame (1) front end, rotates to set up in the wind-up roll of frame (1) rear end, frame (1) is equipped with cutting device (3) that cut the cable and skin, its characterized in that: the cutting device (3) comprises a guide sleeve (31) in clearance fit with a cable core (12) of the cable, the outer circumferential wall of the guide sleeve (31) is at least provided with two cutting knives (32) for cutting the cable rubber layer, the cutting edges of the cutting knives (32) extend to the end part of the guide sleeve (31) close to one side of the unwinding roller (2), and the shortest distance between the cutting edges of the cutting knives (32) and the axis of the guide sleeve (31) is equal to the radius of the guide sleeve (31).

2. A cable stripping machine as claimed in claim 1, characterized in that: the end face of the guide sleeve (31) on one side relative to the unwinding roller (2) is an inclined face (33), and the inclined face (33) inclines towards the unwinding roller (2) from the outer wall of the guide sleeve (31) to the inner wall of the guide sleeve.

3. A cable stripping machine as claimed in claim 1, characterized in that: a straightening device (4) is arranged between the unwinding roller (2) and the cutting device (3), the straightening device (4) comprises a straightening pipe (41) for a cable to penetrate through, and the inner wall of the straightening pipe (41) is in clearance fit with the outer wall of the cable.

4. A cable stripping machine as claimed in claim 3, characterized in that: one end of the straightening pipe (41) close to the unwinding roller (2) is fixedly butted with a flared pipe (42), and the inner diameter of one end of the flared pipe (42) close to the straightening pipe (41) is smaller than that of the other end.

5. A cable stripping machine as claimed in claim 1, characterized in that: the guide sleeve (31) comprises a sleeve (311) and a sliding bearing (312) fixedly arranged in the sleeve (311).

6. A cable stripping machine as claimed in claim 3, characterized in that: frame (1) is provided with support column (5), support column (5) are provided with fixed cover (6), the internal diameter of fixed cover (6) is greater than the external diameter of uide bushing (31), be equipped with elastic component (7) between uide bushing (31) and fixed cover (6), uide bushing (31) are fixed a position in fixed cover (6) through elastic component (7).

7. A cable stripping machine as claimed in claim 6, characterized in that: support column (5) including the cover body one (51) and with cover body one (51) slip the cover body two (52) that cup joints, cover body one (51) and fixed cover (6) fixed connection, cover body two (52) and frame (1) slide and be connected, the direction of sliding of support column (5) is the same with the axis direction of unreeling roller (2), rectify straight tube (41) and fixed cover (6) fixed connection.

8. A cable stripping machine as claimed in claim 1, characterized in that: frame (1) is equipped with and carries out towed draw gear (8) to cable skin (13) after the separation, draw gear (8) include that two rotate carry out on frame (1) carry out pull roll (81), two carry out pull roll (81) parallel arrangement each other, frame (1) is equipped with two carry out pull roll (81) pivoted actuating mechanism (82) of drive, frame (1) is equipped with and carries out cutting device (9) that cut off cable skin (13).

9. A cable stripping machine as claimed in claim 8, characterized in that: cutting device (9) are including setting firmly cutting off cutter (91) on one of them carry over pinch rolls (81), and the interval between two carry over pinch rolls (81) is less than the thickness of cable sheath (13), the interval between highly being equal to two carry over pinch rolls (81) of cutting off cutter (91), cutting off cutter (91) are the arc and twine on carry over pinch rolls (81), cutting knife (32) one end is greater than the thickness of cable sheath (13) to the length of other one end for carry over pinch rolls (81) axial direction.