Cable cutting equipment and cutting method

Abstract

The present invention belongs to the technical field of cables, and particularly relates to a cable cutting device and a cutting method. Among them, a cable cutting device includes: a positioning cylinder rotatably arranged inside the cutting device; a limiting device arranged at the outer end of the positioning cylinder; a limiting cutting assembly slidably arranged on the inner wall of the positioning cylinder; wherein, the cable is inserted into the positioning cylinder after passing through the limiting device, and the limiting cutting assembly slides towards the cable to cut open its outer insulating layer; the positioning cylinder drives the limiting cutting assembly to rotate to cut off the outer insulating layer of the cable; after cutting is completed, the limiting cutting assembly slides in a direction away from the cable to push the cut insulating layer down to fall off. Through the cooperation of the positioning cylinder and the limiting cutting assembly, after cutting is completed, the insulating layer is pushed towards the collection port to prevent the insulating layer from blocking the collection port.

Description

Technical Field

[0001] The present invention belongs to the technical field of cables, specifically relates to stripping the insulation of cables, and particularly relates to a cable cutting device and a cutting method. Background Art

[0002] In cable processing operations, it is often necessary to cut the insulation layer outside the cable. The currently common cutting method is to let the cutting device rotate around the cable. When the insulation layer is cut off, the high temperature generated by the cutting will cause a chemical reaction in the insulation layer, thus generating toxic and harmful gases.

[0003] The cut insulation layer falls into the collection box below through the collection port. However, due to the high temperature generated by the cutting, the temperature at the break of the insulation layer is difficult to decrease in a short time, causing the insulation layer to continuously emit harmful gases in the collection box.

[0004] In the related art, the method of reducing the opening size of the collection port is usually adopted to deal with the overflow of harmful gases. However, when the size of the collection port is small, the cut insulation layers are extremely easy to squeeze and stack with each other during the falling process, thus causing the blockage of the collection port. Therefore, how to avoid the blockage of the collection port by the insulation layer is a technical problem that urgently needs to be solved in this field.

[0005] It should be noted that the above information disclosed in this background art part is only used to understand the background art of the concept of this application. Therefore, the above description is not considered as the information of the related art. Summary of the Invention

[0006] The embodiments of the present disclosure at least provide a cable cutting device and a cutting method.

[0007] In a first aspect, the embodiments of the present disclosure provide a cable cutting device, including:

[0008] In an optional implementation manner, a positioning cylinder, which is rotatably arranged inside the cutting device;

[0009] A limiting device, which is arranged at the outer end of the positioning cylinder;

[0010] A limiting cutting component, which is slidably arranged on the inner wall of the positioning cylinder;

[0011] Wherein, the cable is inserted into the positioning cylinder after passing through the limiting device, and the limiting cutting component slides towards the cable direction to cut open its outer insulation layer;

[0012] The positioning cylinder drives the limiting cutting component to rotate to cut off the outer insulation layer of the cable;

[0013] After the cutting is completed, the limiting cutting component slides in the direction away from the cable to push the cut insulation layer to fall downward.

[0014] In an alternative embodiment, the limit cutting assembly includes: a limit ring fixed to the inner wall of the positioning cylinder and having a through hole formed radially therein;

[0015] Two cutting knives disposed opposite to each other, the cutting knives being slidably disposed in the through hole and having their outer ends penetrating through the positioning cylinder;

[0016] A driving ring rotatably disposed on the inner wall of the limit ring and linked to the cutting knives;

[0017] Wherein, when the driving ring rotates forward, it drives the two cutting knives to move towards each other to cut off the insulating layer;

[0018] When the driving ring rotates reversely, it drives the two cutting knives to move away from each other so that the outer ends of the cutting knives are inserted into the collection port.

[0019] In an alternative embodiment, two adjusting ports are symmetrically formed on the driving ring, the adjusting ports are arc-shaped, and the distance from one end to the other end of the adjusting port gradually increases with respect to the axis of the driving ring.

[0020] In an alternative embodiment, a positioning column is fixed to the side wall of the cutting knife, and the positioning column is slidably disposed in the adjusting port.

[0021] In an alternative embodiment, a receiving groove is formed on the inner top wall of the cutting device, and a cooling medium is disposed in the receiving groove;

[0022] The receiving groove is located directly above the cutting knife;

[0023] Wherein, when the driving ring rotates reversely, it drives the two cutting knives to move away from each other, and the outer ends of the cutting knives are adapted to be inserted into the receiving groove and contact the cooling medium.

[0024] In an alternative embodiment, a collection port is formed on the inner bottom wall of the cutting device, and the collection port is disposed directly below the cutting knife;

[0025] Wherein, after cutting is completed, the two cutting heads move away from each other, and the cutting knives move towards the collection port to push the insulating layer towards the collection port to fall off.

[0026] In an alternative embodiment, a through hole is formed radially on the outer wall of the positioning cylinder, the through hole corresponds to the through hole, and the opening width is not less than that of the through hole.

[0027] In an alternative embodiment, the limiting device includes: a driving cylinder disposed at the outer end of the positioning cylinder;

[0028] Two clamping claws, the two clamping claws being hinged to the movable end of the driving cylinder and disposed opposite to each other;

[0029] The positioning plate is arranged on the outer wall of the driving cylinder, and a positioning groove is formed at the upper end.

[0030] In an optional embodiment, an adjusting motor is arranged on the inner wall of the positioning cylinder;

[0031] An adjusting ring is arranged on the side wall of the driving ring. The adjusting ring is arranged in the positioning cylinder and is in transmission connection with the adjusting motor.

[0032] In an optional embodiment, the positioning cylinder is rotatably arranged in the cutting device, and a through hole is radially formed on the outer wall;

[0033] A receiving groove is formed on the inner top wall of the cutting device corresponding to the through hole, and a cooling medium is arranged in the receiving groove;

[0034] A collection port is arranged on the inner bottom wall of the cutting device corresponding to the through hole;

[0035] The limiting ring is fixed on the inner wall of the positioning cylinder, and a through hole corresponding to the through hole is radially formed;

[0036] The cutting knives are arranged oppositely, and are slidably arranged in the through hole;

[0037] The driving ring is rotatably arranged on the inner wall of the limiting ring and is linked with the cutting knives;

[0038] Wherein, when the driving ring rotates forward, the two cutting knives are driven to move towards each other to cut off the insulating layer;

[0039] When the driving ring rotates reversely, the two cutting knives are driven to move away from each other. One cutting knife moves upward and inserts into the receiving groove, and the other cutting knife moves downward and inserts into the collection port.

[0040] In an optional embodiment, an adjusting port is symmetrically formed on the driving ring. The adjusting port is arc-shaped, and the distance from one end to the other end of the adjusting port to the axis of the driving ring gradually increases;

[0041] A positioning column is fixed on the side wall of the cutting knife, and the positioning column is slidably arranged in the adjusting port.

[0042] Second, the embodiment of the present disclosure also provides a cutting method for a cutting device. The cutting method includes:

[0043] The cable is inserted into the positioning cylinder after passing through the limiting device, and the limiting cutting component slides towards the cable direction to cut open its outer insulating layer;

[0044] The positioning cylinder drives the limiting cutting component to rotate to cut off the outer insulating layer of the cable;

[0045] After cutting is completed, the cable moves away from the positioning cylinder to peel the cut insulating layer from the outer wall of the wire core;

[0046] The limit cutting component slides away from the cable, one cutting knife moves upward to insert into the receiving groove, the cooling medium is suitable for cooling the cutting knife, and the other cutting knife moves downward to push the cut insulating layer down and fall into the collection port.

[0047] The beneficial effects of the present invention are that the present invention provides a cable cutting device and a cutting method. Through the cooperation of the positioning cylinder, the limit cutting component, and the receiving groove and the collection port provided on the cutting device, during cutting, the two cutting knives move towards each other to clamp the cable, and the positioning cylinder drives the cutting knife to rotate to cut the insulating layer on the outer wall of the cable; after cutting, one cutting knife moves upward and inserts into the receiving groove, and the cooling medium is suitable for cooling and lowering the temperature of the cutting knife. The other cutting knife moves downward and inserts towards the collection port to prevent the cut insulating layer from blocking the collection port, and at the same time can also prevent harmful gases in the collection box from overflowing outward.

[0048] Other features and advantages of the present invention will be described in the subsequent description, and part of them will become obvious from the description, or be understood by implementing the present invention. The objectives and other advantages of the present invention are achieved and obtained by the structures specifically pointed out in the description and the drawings.

[0049] To make the above objectives, features, and advantages of the present invention more obvious and understandable, specific preferred embodiments are hereby given, and in conjunction with the accompanying drawings, the following detailed description is provided. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in related technologies, the following will briefly introduce the drawings required for use in the description of the specific embodiments or related technologies. Obviously, the following drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative efforts.

[0051] Figure 1 A perspective view of the cable cutting device provided by an embodiment of the present disclosure;

[0052] Figure 2 A first perspective view of the positioning cylinder and the limit cutting component provided by an embodiment of the present disclosure;

[0053] Figure 3 A second perspective view of the positioning cylinder and the limit cutting component provided by an embodiment of the present disclosure;

[0054] Figure 4 A schematic diagram of the state where two cutting knives cut the cable provided by an embodiment of the present disclosure;

[0055] Figure 5 Schematic diagram of the state where two cutting knives are separated provided by an embodiment of the present disclosure;

[0056] Figure 6 Longitudinal sectional view of the positioning cylinder and the limit cutting component provided by an embodiment of the present disclosure.

[0057] In the figure:

[0058] 1. Positioning cylinder; 10. Through hole; 11. Accommodating groove; 12. Collection port;

[0059] 2. Limiting device; 21. Driving cylinder; 22. Clamping claw; 23. Positioning plate; 24. Positioning groove;

[0060] 3. Limit cutting component; 31. Limiting ring; 32. Through port; 33. Cutting knife; 34. Positioning column; 35. Driving ring; 36. Adjusting port; 37. Adjusting ring; 4. Cutting equipment. Specific embodiments

[0061] To make the purposes, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0062] In this article, when it is mentioned that the first component is located on the second component, this may mean that the first component can be directly formed on the second component, or a third component can be inserted between the first component and the second component. In addition, in the drawings, for the purpose of effectively describing the technical content, the thickness of the components may be exaggerated or reduced.

[0063] In this article, the exemplary embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. As used herein, expressions such as "at least one of..." modify the entire list of elements when following a list of elements, rather than modifying individual elements in the list. For example, the expression "at least one of a, b, and c" should be understood to include only a, only b, only c, both a and b, both a and c, both b and c, or all of a, b, and c.

[0064] After research, it is found that in cable processing operations in the related art, it is often necessary to cut the insulation layer outside the cable. The currently common cutting method is to make the cutting equipment rotate around the cable. When the insulation layer is cut off, the high temperature generated by the cutting will cause a chemical reaction in the insulation layer, thereby generating toxic and harmful gases.

[0065] The cut insulating layer falls into the collection box below through the collection port. However, due to the high temperature generated during cutting, it is difficult for the temperature at the fracture of the insulating layer to decrease in a short time, causing the insulating layer to continuously emit harmful gases in the collection box.

[0066] In the related art, usually, the method of reducing the opening size of the collection port is adopted to deal with the overflow of harmful gases. However, when the size of the collection port is small, the cut insulating layers are extremely easy to squeeze and stack with each other during the falling process, thus causing the collection port to be blocked. Once the collection port is blocked, it will not only affect the normal progress of the cutting operation and reduce work efficiency, but may also cause harmful gases to accumulate near the cutting device, posing a serious threat to the physical health of the operators.

[0067] Therefore, how to avoid the blocking of the collection port by the insulating layer is a technical problem that urgently needs to be solved in this field.

[0068] Regarding the defects and their causes of the above solutions, they are all the results obtained by the inventors through practice and careful research. Therefore, the discovery process of the above problems and the solutions proposed in this disclosure by the present disclosure should all be the contributions made by the inventors during the process of this disclosure.

[0069] It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0070] The following will describe some embodiments of the present invention in detail with reference to the drawings. Without conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0071] Such as Figures 1 to 6As shown, at least one embodiment provides a cable cutting device, including: a positioning cylinder 1, which is rotatably arranged in a cutting device 4; an outer sleeve is provided on one side of the cutting device 4, and the positioning cylinder 1 is rotatably arranged in the outer sleeve. Further, a motor is provided in the outer sleeve, and the positioning cylinder 1 is transmission-connected to the motor. A limiting device 2 is provided at the outer end of the positioning cylinder 1; the limiting device 2 is suitable for clamping the limiting cable, and after the end of the cable is inserted into the positioning cylinder 1, the limiting device 2 is suitable for clamping the cable to prevent it from shifting during the cutting process. A limiting cutting assembly 3 is slidably arranged on the inner wall of the positioning cylinder 1; the two cutting knives 33 of the limiting cutting assembly 3 can separate the insulation layer of the outer wall of the cable when they move toward each other, and the positioning cylinder 1 drives the limiting cutting assembly 3 to rotate synchronously when it rotates, and the cutting knives 33 are suitable for cutting off the insulation layer. Among them, the cable is inserted into the positioning cylinder 1 after passing through the limiting device 2, and the limiting cutting component 3 slides toward the cable to cut its outer insulation layer; the positioning cylinder 1 drives the limiting cutting component 3 to rotate to cut off the outer insulation layer of the cable; after the insulation layer at the bottom end of the outer wall of the cable is cut, the limiting device 2 releases the limit on the cable and pulls the cable outward to allow the insulation layer to peel off from the outer wall of the cable. After the cutting is completed, the limiting cutting component 3 slides in the direction away from the cable to push the cut insulation layer to fall downward. Through the cooperation of the positioning cylinder 1, the limiting cutting component 3 and the receiving groove 11 and the collecting port 12 opened on the cutting device 4, during cutting, the two cutting knives 33 move toward each other to clamp the cable, and the positioning cylinder 1 drives the cutting knives 33 to rotate to cut off the insulation layer of the outer wall of the cable; after the cutting is completed, one cutting knife 33 moves upward and is inserted into the receiving groove 11, and the cooling medium is suitable for cooling the cutting knife 33. The other cutting knife 33 moves downward and is inserted into the collecting port 12 to prevent the cut insulating layer from blocking the collecting port 12 and to prevent the harmful gas in the collecting box from overflowing.

[0072] Reference Attachment Figure 2 The limiting cutting assembly 3 includes: a limiting ring 31, which is fixed on the inner wall of the positioning cylinder 1 and has a through opening 32 radially provided; the limiting ring 31 is arranged on the inner wall of one end of the positioning cylinder 1 close to the limiting device 2. After the cable passes through the limiting ring 31, it is suitable for being inserted into the interior of the positioning cylinder 1. Two cutting knives 33 are arranged opposite to each other, and the cutting knives 33 are slidably arranged in the through opening 32, and the outer ends thereof pass through the positioning cylinder 1; a driving ring 35, which is rotatably arranged on the inner wall of the limiting ring 31 and is linked to the cutting knives 33; wherein, when the driving ring 35 rotates in the forward direction, it drives the two cutting knives 33 to move toward each other to cut off the insulating layer; when the driving ring 35 rotates in the reverse direction, it drives the two cutting knives 33 to move away from each other. At this time, the outer ends of the two cutting knives 33 protrude from the positioning cylinder 1 respectively, and one of the cutting knives 33 moves upward and is inserted into the accommodating groove 11. The cooling medium in the accommodating groove 11 is suitable for cooling the cutting knives 33. The other cutting blade 33 moves downward to be inserted into the collecting port 12 to push the fallen insulation layer into the collecting port 12 to prevent the insulation layer from blocking the collecting port 12 .

[0073] Reference appendix Figure 3 On the driving ring 35, two adjusting ports 36 are symmetrically formed. The adjusting ports 36 are arc-shaped, and the distance from one end to the other end of the adjusting port 36 to the axis of the driving ring 35 gradually increases. A positioning column 34 is fixed on the side wall of the cutting knife 33, and the positioning column 34 is slidably arranged in the adjusting port 36. When the driving ring 35 rotates forward, it drives the two cutting knives 33 to move towards each other; when the driving ring 35 rotates backward, it drives the two cutting knives 33 to move away from each other.

[0074] Reference appendix Figure 6 On the inner top wall of the cutting device 4, a receiving groove 11 is formed, and a cooling medium is arranged in the receiving groove 11; the receiving groove 11 is located directly above the cutting knife 33; wherein, when the driving ring 35 rotates backward, it drives the two cutting knives 33 to move away from each other, and the outer end of the cutting knife 33 is adapted to be inserted into the receiving groove 11 and contact with the cooling medium. The cooling medium is adapted to cool the cutting knife 33. A collecting port 12 is formed on the inner bottom wall of the cutting device 4. The collecting port 12 is arranged above the collecting box, and the collecting port 12 is adapted to guide the insulating layer to fall into the collecting box. The collecting port 12 is arranged directly below the cutting knife 33; wherein, after cutting is completed, the two cutting heads move away from each other, and the cutting knife 33 moves towards the collecting port 12 to push the insulating layer towards the collecting port 12 to fall. Since the lengths of the insulating layers cut at the end of the cable are different, for the insulating layer with a length greater than the opening size of the collecting port 12, after it is peeled off from the outer wall of the cable, it is difficult to fall into the collecting box, and long-term accumulation at the collecting port 12 will affect the subsequent cutting of the insulating layer on the outer wall of the cable. Therefore, when the lower cutting knife 33 moves downward, the cutting knife 33 is adapted to push the insulating layer located above the collecting port 12 so that it falls into the collecting box. Further, when the limiting cutting assembly 3 is not working, the distance between the two cutting knives 33 is the farthest. The upper cutting knife 33 is inserted into the receiving groove 11, and the lower cutting knife 33 is inserted into the collecting port 12. The cutting port is adapted to block the harmful gas flowing out of the insulating layer in the collecting box from flowing into the positioning cylinder 1.

[0075] Reference appendix Figure 2 On the outer wall of the positioning cylinder 1, a through port 10 is formed along the radial direction. The through port 10 corresponds to the through port 32, and the opening width is not less than that of the through port 32. The through port 10 corresponds to the collecting port 12, and the cut insulating layer falls into the collecting port 12 along the through port 10.

[0076] Reference appendix Figure 1 The limiting device 2 includes: a driving cylinder 21 arranged at the outer end of the positioning cylinder 1; two clamping claws 22, the two clamping claws 22 are hinged to the movable end of the driving cylinder 21 and are arranged oppositely; a positioning plate 23 arranged on the outer wall of the driving cylinder 21, and a positioning groove 24 is formed at the upper end.

[0077] Further, an adjustment motor is provided on the inner wall of the positioning cylinder 1; an adjustment ring 37 is provided on the side wall of the driving ring 35. The adjustment ring 37 is arranged inside the positioning cylinder 1 and is in transmission connection with the adjustment motor.

[0078] At least one embodiment provides a cable cutting device, including: a positioning cylinder 1, which is rotatably arranged inside a cutting device 4, and a through hole 10 is radially opened on the outer wall; a receiving groove 11 is provided on the inner top wall of the cutting device 4 corresponding to the through hole 10, and a cooling medium is arranged inside the receiving groove 11; a collection port 12 is provided on the inner bottom wall of the cutting device 4 corresponding to the through hole 10; a limiting ring 31 is fixed on the inner wall of the positioning cylinder 1, and a through port 32 corresponding to the through hole 10 is radially opened thereon; two cutting blades 33 are arranged opposite to each other and are slidably arranged inside the through port 32; a driving ring 35 is rotatably arranged inside the limiting ring 31 and is linked with the cutting blades 33; wherein, when the driving ring 35 rotates forward, the two cutting blades 33 are driven to move towards each other to cut off the insulating layer; when the driving ring 35 rotates reversely, the two cutting blades 33 are driven to move away from each other, one cutting blade 33 moves upward and inserts into the receiving groove 11, and the other cutting blade 33 moves downward and inserts into the collection port 12.

[0079] At least one embodiment provides a cutting method for a cutting device. The cutting method includes:

[0080] The cable is inserted into the positioning cylinder 1 after passing through the limiting device 2, and the limiting cutting component 3 slides towards the cable to cut open its outer insulating layer;

[0081] The positioning cylinder 1 drives the limiting cutting component 3 to rotate to cut off the outer insulating layer of the cable;

[0082] After cutting is completed, the cable moves away from the positioning cylinder 1 to peel off the cut insulating layer from the outer wall of the wire core;

[0083] The limiting cutting component 3 slides away from the cable, one cutting blade 33 moves upward to insert into the receiving groove 11, the cooling medium is suitable for cooling the cutting blade 33, and the other cutting blade 33 moves downward to push the cut insulating layer to fall downward into the collection port 12.

[0084] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection", and "coupling" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0085] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention. In addition, terms such as "first", "second" and other numerical terms used herein do not imply order or sequence unless explicitly indicated herein. Therefore, without departing from the teachings of the exemplary embodiments, the first element, component, region, layer or section discussed above may be referred to as the second element, component, region, layer or section.

[0086] Based on the above revelation of the ideal embodiment of the present invention, through the above description, relevant staff can make various changes and modifications completely within the scope not deviating from the technical idea of this invention. The technical scope of this invention is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A cable cutting device, characterized in that: include: A positioning cylinder (1) rotatably disposed within a cutting device (4); A limiting device (2) is arranged at the outer end of the positioning cylinder (1); A position-limiting cutting assembly (3) is slidably arranged on the inner wall of the positioning cylinder (1); The cable is inserted into the positioning tube (1) after passing through the limiting device (2), and the limiting cutting component (3) slides toward the cable to cut the outer insulation layer thereof; The positioning cylinder (1) drives the limiting cutting assembly (3) to rotate to cut off the outer insulation layer of the cable; After the cutting is completed, the limiting device (2) releases the limit on the cable and pulls the cable outward so that the cut insulation layer is peeled off from the outer wall of the wire core; The limiting cutting component (3) slides in a direction away from the cable to push the cut insulation layer downward; The limiting cutting assembly (3) comprises: a limiting ring (31), which is fixed to the inner wall of the positioning cylinder (1) and has a through opening (32) in the radial direction; Two cutting knives (33) arranged opposite to each other, the cutting knives (33) being slidably arranged in the through opening (32), and the outer ends of the cutting knives (33) passing through the positioning cylinder (1); A driving ring (35) is rotatably arranged on the inner wall of the limiting ring (31) and is linked to the cutting knife (33); When the driving ring (35) rotates in the forward direction, it drives the two cutting blades (33) to move toward each other to cut off the insulating layer; When the driving ring (35) rotates in the opposite direction, the two cutting knives (33) are driven to move apart, so that the outer ends of the cutting knives (33) are inserted into the collecting port (12); A collecting port (12) is provided on the inner bottom wall of the cutting device (4), and the collecting port (12) is arranged directly below the cutting knife (33); Two adjustment openings (36) are symmetrically provided on the driving ring (35), the adjustment openings (36) are arc-shaped, and the distance from one end of the adjustment opening (36) to the other end from the axis of the driving ring (35) gradually increases; A positioning column (34) is fixed to the side wall of the cutting knife (33), and the positioning column (34) is slidably arranged in the adjustment port (36).

2. The cable cutting device according to claim 1, wherein A receiving groove (11) is provided on the inner top wall of the cutting device (4), and a cooling medium is provided in the receiving groove (11); The receiving groove (11) is located directly above the cutting knife (33); When the driving ring (35) rotates in the opposite direction, the two cutting knives (33) are driven to move away from each other, and the outer ends of the cutting knives (33) are suitable for being inserted into the accommodating groove (11) and in contact with the cooling medium.

3. The cable cutting device according to claim 1, wherein The outer wall of the positioning cylinder (1) is provided with a through opening (10) along the radial direction. The through opening (10) corresponds to the through opening (32), and the opening width is not less than that of the through opening (32).

4. The cable cutting device according to claim 1, wherein The limiting device (2) comprises: a driving cylinder (21) which is arranged at the outer end of the positioning cylinder (1); Two clamping claws (22), the two clamping claws (22) are hinged to the movable ends of the driving cylinder (21) and are arranged opposite to each other; The positioning plate (23) is arranged on the outer wall of the driving cylinder (21) and has a positioning groove (24) formed on the upper end.

5. The cable cutting device according to claim 1, wherein An adjusting motor is provided on the inner wall of the positioning cylinder (1); An adjusting ring (37) is provided on the side wall of the driving ring (35); the adjusting ring (37) is arranged in the positioning cylinder (1) and is transmission-connected to the adjusting motor.

6. A cable cutting device, characterized in that: include: A positioning cylinder (1) is rotatably disposed in the cutting device (4) and has an outer wall with a through opening (10) radially formed therein; A receiving groove (11) is provided on the inner top wall of the cutting device (4) at a position corresponding to the through opening (10), and a cooling medium is provided in the receiving groove (11); A collecting port (12) is provided on the inner bottom wall of the cutting device (4) at a position corresponding to the through port (10); A limiting ring (31) is fixed to the inner wall of the positioning cylinder (1) and has a through opening (32) corresponding to the through opening (10) in the radial direction; Cutting knives (33), two cutting knives (33) are arranged opposite to each other and are slidably arranged in the through opening (32); A driving ring (35) is rotatably arranged on the inner wall of the limiting ring (31) and is linked to the cutting knife (33); two adjusting openings (36) are symmetrically opened on the driving ring (35), and the distance from one end to the other end of the adjusting opening (36) to the axis of the driving ring (35) gradually increases; a positioning column (34) is fixed to the side wall of the cutting knife (33), and the positioning column (34) is slidably arranged in the adjusting opening (36); When the driving ring (35) rotates in the forward direction, it drives the two cutting blades (33) to move toward each other to cut off the insulating layer; When the driving ring (35) rotates in the opposite direction, the two cutting knives (33) are driven to move away from each other, one cutting knife (33) moves upward and is inserted into the receiving groove (11), and the other cutting knife (33) moves downward and is inserted into the collecting port (12).

7. A cutting method for a cutting device, characterized in that: Using the cable cutting device according to any one of claims 1 to 6, the cutting method comprises: The cable is inserted into the positioning tube (1) after passing through the limiting device (2), and the limiting cutting component (3) slides toward the cable to cut the outer insulation layer thereof; The positioning cylinder (1) drives the limiting cutting assembly (3) to rotate to cut off the outer insulation layer of the cable; After the limiting cutting assembly (3) rotates to cut off the outer insulation layer of the cable, the limiting device (2) releases the limit on the cable, pulling the cable outward to cause the insulation layer to be peeled off from the outer wall of the cable; The limiting cutting assembly (3) slides in a direction away from the cable, one cutting knife (33) moves upward to be inserted into the receiving groove (11), the cooling medium is suitable for cooling the cutting knife (33), and the other cutting knife (33) moves downward to push the cut insulation layer downward to fall into the collecting port (12).

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