CN106532580B - Cable cutter - Google Patents
Cable cutter Download PDFInfo
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- CN106532580B CN106532580B CN201611099022.3A CN201611099022A CN106532580B CN 106532580 B CN106532580 B CN 106532580B CN 201611099022 A CN201611099022 A CN 201611099022A CN 106532580 B CN106532580 B CN 106532580B
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- cable
- cutting part
- cutter
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/12—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
- H02G1/1202—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof by cutting and withdrawing insulation
- H02G1/1248—Machines
- H02G1/1268—Machines the cutting element making a longitudinal in combination with a transverse or a helical cut
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
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- Removal Of Insulation Or Armoring From Wires Or Cables (AREA)
Abstract
The invention relates to the technical field of cable cutting auxiliary equipment, in particular to a cable cutter, which comprises a clamping part for clamping and cutting a cable, wherein the clamping part is a left cutting part and a right cable fixing part, and the cable fixing part comprises an upper fixing part and a lower fixing part; the cutting part comprises an upper cutting part and a lower cutting part which are hinged; a cavity is arranged in the upper cutting part, and a gas blowing pipe is arranged on the cavity and is arranged towards the tangential direction of the cable; the lower cutting part comprises an I-shaped cutter and an air cavity communicated with the cavity; the I-shaped cutter comprises a vertical cutter and two transverse cutters, the vertical cutter is connected between the two transverse cutters in a sliding way, the transverse cutters extend into the air cavity and are fixedly connected with the air cavity, and a spring is connected between the vertical cutter and the inner wall of the air cavity; the cutting part is rotationally connected with the lower fixing part through a rotating shaft. The scheme can reduce scraping of the cable core when the cable skin is peeled off; and simultaneously, the middle part of the cable can be peeled freely.
Description
Technical Field
The invention relates to the technical field of auxiliary equipment for cutting cables, in particular to a cable cutter.
Background
The cable is usually composed of a plurality of wires, each group of at least two wires are twisted to form a cable similar to a rope, and many times, the sheath of the cable is required to be stripped, and then subsequent wiring and other works are performed; a common tool for stripping cables in the past has been a hook type cable knife. The hook type cable knife is used for holding the cable in the use process, the hook type cable knife is used for scratching the outer protective layer of the cable to strip the outer protective layer of the cable, tools such as bevel pliers are used for cutting out the armor layer, then the hook type cable knife is used for scratching the inner protective layer of the cable to strip the inner protective layer of the cable, the scratching mode is dangerous, people are easily injured, and the working efficiency is low.
The patent publication No. CN104051987B discloses a cable stripping pliers, which comprises a first crank and a second crank, wherein the first crank and the second crank are hinged at a bending part, a T-shaped blade is arranged at the shearing end of the first crank, and a matching part is arranged on the second crank corresponding to the T-shaped blade. Compared with the prior art, the cable stripping clamp has the beneficial effects that the cable is only required to be stripped for two to three times when in use, the cable skin can automatically fall off through the cooperation of the T-shaped blade and the matching part, the danger coefficient is almost zero, and the working efficiency is high.
However, the above patent documents have the following problems: 1. because the surface of the cable core can be plated with tin or silver or other protective layers, when the cable skin is peeled by adopting the method, the cable skin is peeled by the blade at the T-shaped part in a scraping way, and the protective layers and the like on the surface of the cable core are easily scraped by adopting the method; 2. the cable skin at the cable head is easy to peel by adopting the method, and when only the center part of one cable needs to be peeled, the method is very inconvenient and is not easy to peel.
Disclosure of Invention
The invention aims to provide a cable cutter which can reduce scraping of a cable core when a cable sheath is peeled off; and simultaneously, the middle part of the cable can be peeled freely.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the cable cutter comprises a clamping part for clamping and cutting a cable, wherein the clamping part comprises a left part and a right part, the left part is a cutting part, the right part is a cable fixing part, and the cable fixing part comprises an upper fixing part and a lower fixing part which can clamp the cable; the cutting part comprises an upper cutting part and a lower cutting part, and the upper cutting part is hinged with the lower cutting part; the upper cutting part is internally provided with a cavity, the cavity is provided with an air blowing pipe capable of blowing air to the cable, the air blowing pipe is obliquely arranged towards the tangential direction of the cable, and the air blowing port of the air blowing pipe is flush with the lower surface of the upper cutting part; the lower surface of the upper cutting part is a concave cambered surface; the lower cutting part comprises an I-shaped cutter and an air cavity communicated with the cavity; the I-shaped cutter comprises a vertical cutter and two transverse cutters, the vertical cutter is connected between the two transverse cutters in a sliding manner, the back of the transverse cutter stretches into the air cavity and is fixedly connected with the air cavity, and a spring is fixedly connected between the vertical cutter and the inner wall of the air cavity; an air pump is fixedly arranged on the outer wall of the lower cutting part and communicated with the air cavity; a rotating shaft is arranged between the cutting part and the cable fixing part, the rotating shaft is fixedly connected with the lower cutting part, and the rotating shaft is rotatably connected with the lower fixing part; the rotating shaft is provided with a cable groove for placing the cable.
When the technical scheme is adopted, the clamping part is opened, namely the upper cutting part is broken off, and the upper fixing part is broken off; then the clamping part is taken to a position where the cable needs to be cut and peeled, then the upper fixing part and the lower fixing part are closed, and then the upper cutting part and the lower cutting part are closed, so that the cable is clamped in the clamping part; simultaneously, the air pump is turned on, air enters the air cavity, and at the moment, the vertical cutter is pushed by the air and moves towards the direction of the cable, so that the cable is cut, and a vertical notch is formed on the cable; because the cavity is communicated with the air cavity, at the moment, air is also introduced into the upper cutting part; then closing the air pump, opening the air blowing pipe simultaneously, and because the air blowing pipe is obliquely arranged towards the tangential direction of the cable, the air can generate certain reverse thrust to the lower cutting part, so that the cutting part rotates, in the rotating process, two transverse cutters can form a circle of transverse cuts on the surface of the cable, after the clamping part does not rotate any more, the clamping part is opened, the cable is taken out, the crust of the middle part of the cable is completely cut, and then the cable can be taken off.
The technical effect of this scheme:
1. the cutting part is arranged for mainly cutting the cable cover on the cable; the cable fixing part is arranged, mainly for holding the cable tightly, so that the cable is prevented from rotating when the cable is cut by the cutting part;
2. because the lower cutting part and the upper cutting part are hollow, and the cutter, the air pump and the electromagnet are also arranged in the lower cutting part, the lower cutting part is heavier than the upper cutting part, and therefore, the upper cutting part and the lower cutting part still recover to the original position due to the dead weight after the cutting part rotates, namely, the upper cutting part is positioned above the lower cutting part when the upper cutting part recovers to the original position;
3. the cavity is communicated with the air cavity, so that the air entering the air cavity can enter the air, and in addition, the pressure in the air cavity can be gradually increased due to continuous ventilation to the air cavity, and the vertical cutter can be pushed to move towards the cable; the vertical cutter cuts a vertical incision on the cable, then the air pump is closed, the air blowing pipe is opened, the air is led to generate reverse thrust to the upper cutting part due to the oblique arrangement of the air blowing pipe, the cutting part is rotationally connected with the cable fixing part, at the moment, the cutting part can rotate, the cable is fixed by the cable fixing part in the rotating process, so that the cable cannot rotate, meanwhile, the pressure in the air cavity is reduced at the moment that the air in the air cavity is discharged, the thrust of the air to the vertical cutter is reduced, and at the moment, the vertical cutter can be pulled back by the spring; therefore, in the rotating process, the vertical cutter cannot scrape the cable core of the cable;
4. the vertical cutters are connected between the two transverse cutters in a sliding manner, so that the vertical cutters can slide up and down freely, and when the vertical cutters are required to cut the cable, the vertical cutters are pushed to move towards the direction of the cable; the vertical cutters are arranged, so that a vertical notch is formed on the surface of the cable, and the cable skin can be peeled off; the transverse cutters are arranged, and are mainly used for forming a circle of notch on the surface of the cable so that the section of cable cover to be cut is separated from other parts;
5. the air blowing pipe is obliquely arranged towards the tangential direction of the cable, and the air blowing pipe blows the surface of the cable to generate reverse thrust so as to enable the cutting part to rotate; in addition, when the air blowing pipe blows the surface of the cable, because the vertical cutter cuts the cable wire to form a vertical incision, when the air blowing pipe corresponds to the vertical incision, the gas in the air blowing pipe can enter the vertical incision, and then the cable skin and the cable core on the surface of the cut cable are blown away, so that the cable is very convenient, and when the cable is taken out from the cutting part, the cable skin is blown away from the cable core by wind, so that the cable skin is easy to fall off after being taken out;
6. a rotating shaft is arranged between the cutting part and the cable fixing part, the rotating shaft is fixedly connected with the lower cutting part, and the rotating shaft is rotationally connected with the fixing part; when the upper cutting part is arranged, the rotating shaft is only connected with the lower cutting part, but not connected with the upper cutting part, so that the upper cutting part can be conveniently broken upwards;
7. a fixed seat for fixing the rotating shaft is arranged at the joint of the rotating shaft and the fixed part, and the fixed seat is fixedly connected with the lower fixed part; the rotating shaft is inserted into the fixed seat, and the rotating shaft can still rotate freely, but the fixed seat is fixedly connected with the lower fixed part and is not connected with the upper fixed part, so that the opening of the upper fixed part is not hindered;
8. the setting of cable duct is mainly in the clamping part of being convenient for when the centre gripping cable, and the cable can freely block into the cable duct for the cable can not be blocked by the pivot when putting into the clamping part, but enter into the cable duct in the pivot, and then makes the cable of putting into the clamping part be a straight line.
In an optimized scheme 1 obtained by improving the basic scheme, the lower surface of the upper cutting part is provided with an elastic layer, and a plurality of iron sheets are uniformly embedded in the elastic layer; an electromagnet is arranged in the lower cutting part.
When the air blowing pipe is opened, the electromagnet is electrified, at the moment, the electromagnet can generate reverse thrust to the iron sheet, the elastic layer can move towards the direction away from the cable, at the moment, a gap can be generated between the cable and the upper cutting part, and the cable can be prevented from rotating along with the cutting part in the process of rotationally cutting the cable by the cutting part;
meanwhile, the electromagnet is arranged, and because the electromagnet is easy to generate heat after being electrified, the air in the lower cutting part can be heated at the moment, so that the cutter also has certain heat, and the cutting of the cable is easier to realize; in addition, the electromagnet is not operated for a long period of time, and thus, the heat thereof is not considered to be excessive.
And an anti-skid layer is arranged on the inner wall of the cable fixing part in an optimization scheme 2 obtained by improving the optimization scheme 1.
Preventing the cable from sliding in the cable fixing portion.
And the optimized scheme 3 obtained by improving the optimized scheme 2 is provided with handles on the cutting part and the cable fixing part.
Is convenient to hold, and then the cutting part and the cable fixing part are opened.
And the improved optimization scheme 4 is obtained by improving the optimization scheme 3, and the cutting edge of the transverse cutter is in a concave arc shape.
The transverse cutter is convenient to cut the surface of the cable in the rotating process.
Drawings
FIG. 1 is a cross-sectional view of a cable cutter of the present invention;
FIG. 2 is a schematic view of the structure of the I-shaped cutter of FIG. 1;
fig. 3 is a schematic view of the upper and lower cutting hinges of fig. 1.
Detailed Description
Reference numerals: the upper cutting part 1, the cavity 11, the air blowing pipe 111, the elastic layer 12, the iron sheet 121, the lower cutting part 2, the vertical cutter 21, the spring 211, the transverse cutter 22, the electromagnet 23, the air cavity 24, the air pump 25, the upper fixing part 3, the lower fixing part 4, the rotating shaft 5 and the bearing 6.
Referring to fig. 1 and 2, the cable cutter includes a clamping portion for clamping and cutting a cable, the clamping portion includes left and right portions, the left portion is a cutting portion, the right portion is a cable fixing portion, and the cable fixing portion includes an upper fixing portion 3 and a lower fixing portion 4 capable of holding the cable tightly. The cable is clamped at a central position by the clamping portion. In order to prevent the cable from sliding in the cable fixing portion, an anti-slip layer such as a rubber layer or rubber protrusions or the like is adhered to the inside of the cable fixing portion, i.e., the surface thereof contacting the cable.
The cutting part comprises an upper cutting part 1 and a lower cutting part 2, and the upper cutting part 1 is hinged with the lower cutting part 2; a cavity 11 is arranged in the upper cutting part 1, namely a hollow structure of the whole upper cutting part 1; the cavity 11 is provided with an air blowing pipe 111 which can blow air to the cable, the air blowing pipe 111 is obliquely arranged towards the tangential direction of the cable, and the air blowing port of the air blowing pipe 111 is flush with the lower surface of the upper cutting part 1; the lower surface of the upper cutting part 1 is a concave cambered surface.
The lower cutting part 2 comprises an I-shaped cutter and an air cavity 24 communicated with the cavity 11; the I-shaped cutter comprises a vertical cutter 21 and two transverse cutters 22, wherein the vertical cutter 21 is connected between the two transverse cutters 22 in a sliding manner, the back of the transverse cutter 22 stretches into the air cavity 24 and is fixedly connected with the air cavity 24, and a spring 211 is fixedly connected between the vertical cutter 21 and the inner wall of the air cavity 24; the air pump 25 is fixedly connected to the outer wall of the lower cutting part 2, so that the air pump 25 can move along with the lower cutting part 2, and the air pump 25 is communicated with the air cavity 24. A rotating shaft 5 is connected between the centers of the cutting part and the cable fixing part, the rotating shaft 5 is fixedly connected with the lower cutting part 2, and the rotating shaft 5 is rotationally connected with the lower fixing part 4 through a rolling bearing, namely, when the cable fixing part is arranged, the rotating shaft 5 is only connected with the lower cutting part 2, and the rotating shaft 5 is not connected with the upper cutting part 1, so that the upper cutting part 1 is conveniently broken upwards; the rotating shaft 5 is only in rotary connection with the lower fixing part 4, and the upper fixing part 3 is only provided with a groove for placing the rolling bearing, mainly for freely opening the upper fixing part 3. The cable groove capable of placing the cable is formed in the rotating shaft 5, the cable groove is mainly convenient for the clamping part to clamp the cable, the cable can be clamped into the central part of the cable groove freely, so that the cable cannot be blocked by the rotating shaft 5 when being placed in the clamping part, but enters the cable groove in the rotating shaft 5, and the cable placed in the clamping part is a straight line.
The cutting edge of the transverse cutter 22 is concave arc-shaped, so that the transverse cutter 22 can cut the surface of the cable better in the rotating process.
Although the cable fixing part fixes the cable and prevents the cable from rotating, in order to further prevent the cable from rotating, an elastic layer 12 is laid on the lower surface of the upper cutting part 1, and the elastic layer 12 is adhered to the upper cutting part 1; a plurality of iron sheets 121 are uniformly embedded in the elastic layer 12; an electromagnet 23 is provided in the lower cutting portion 2. The lower cutting part 2 is also fitted with a battery for energizing the electromagnet 23.
When the air blowing pipe 111 is opened, the electromagnet 23 is electrified, at the moment, the electromagnet 23 can generate reverse thrust to the iron sheet 121, at the moment, the elastic layer 12 can move towards the direction away from the cable, at the moment, a gap can be generated between the cable and the upper cutting part 1, and the whole cutting part is further prevented from rotating along with the cutting part in the process of rotating and cutting the cable; meanwhile, the electromagnet 23 is arranged, and the air in the lower cutting part 2 can be heated at the moment because the electromagnet 23 is easy to generate heat after being electrified, so that the cutter also has certain heat, and the cutting of the cable is easier to realize; in addition, the electromagnet 23 is not operated for a long period of time, and thus the heat thereof is excessively large regardless of the fact.
Referring to fig. 3, in order to facilitate the hinge connection and communication of the upper cutting part 1 and the lower cutting part 1, an opening is formed in the upper cutting part 1, a bearing 6 is fixedly connected to the lower cutting part 2, both ends of the bearing 6 are inserted into the opening of the upper cutting part 1, the bearing 6 is of a hollow structure, and the bearing 6 and the lower cutting part 2 are communicated with each other.
In addition, handles are arranged on the upper cutting part 1 and the lower cutting part 2 and the upper fixing part 3 and the lower fixing part 4, so that people can conveniently hold the handles when opening the handles
When in use, the clamping part is opened, namely the upper cutting part 1 is broken off, and the upper fixing part 3 and the lower fixing part 4 are broken off; then the clamping part is taken to a position where the cable needs to be cut and peeled, then the upper fixing part 3 and the lower fixing part 4 are closed, and then the upper cutting part 1 and the lower cutting part 2 are closed, so that the cable is clamped in the clamping part; simultaneously, the air pump 25 is turned on, air enters the air cavity 24, and at the moment, the vertical cutter 21 is pushed by the air and moves towards the direction of the cable, so that the cable is cut, and a vertical notch is formed on the cable; because the cavity 11 is communicated with the air cavity 24, air is also introduced into the upper cutting part 1 at the moment; then the air pump 25 is closed, and meanwhile, the air blowing pipe 111 is opened, and as the air blowing pipe 111 is obliquely arranged towards the tangential direction of the cable, the air can generate certain reverse thrust to the lower cutting part 2, so that the cutting part rotates, in the rotating process, the two transverse cutters 22 can form a circle of transverse cuts on the surface of the cable, after the clamping part does not rotate any more, the clamping part is opened, the cable is taken out, the crust of the middle part of the cable is completely cut, and then the cable can be taken off.
The foregoing is merely exemplary of the present invention and the specific structures and/or characteristics of the present invention that are well known in the art have not been described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these should also be considered as the scope of the present invention, which does not affect the effect of the implementation of the present invention and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (4)
1. The cable cutter is characterized by comprising a clamping part for clamping and cutting a cable, wherein the clamping part comprises a left part and a right part, the left part is a cutting part, the right part is a cable fixing part, and the cable fixing part comprises an upper fixing part (3) and a lower fixing part (4) which can tightly hold the cable; the cutting part comprises an upper cutting part (1) and a lower cutting part (2), and the upper cutting part (1) is hinged with the lower cutting part (2); a cavity (11) is formed in the upper cutting part (1), an air blowing pipe (111) capable of blowing air to the cable is arranged on the cavity (11), the air blowing pipe (111) is obliquely arranged towards the tangential direction of the cable, and an air blowing port of the air blowing pipe (111) is flush with the lower surface of the upper cutting part (1); the lower surface of the upper cutting part (1) is a concave cambered surface; the lower cutting part (2) comprises an I-shaped cutter and an air cavity (24) communicated with the cavity (11); the I-shaped cutter comprises a vertical cutter (21) and two transverse cutters (22), wherein the vertical cutter (21) is connected between the two transverse cutters (22) in a sliding mode, the back of the transverse cutter (22) stretches into the air cavity (24) and is fixedly connected with the air cavity (24), and a spring (211) is fixedly connected between the vertical cutter (21) and the inner wall of the air cavity (24); an air pump (25) is fixedly arranged on the outer wall of the lower cutting part (2), and the air pump (25) is communicated with the air cavity (24); a rotating shaft (5) is arranged between the cutting part and the cable fixing part, the rotating shaft (5) is fixedly connected with the lower cutting part (2), and the rotating shaft (5) is rotationally connected with the lower fixing part (4); a cable groove capable of placing the cable is arranged on the rotating shaft (5);
an anti-slip layer is arranged on the inner wall of the cable fixing part, and the anti-slip layer is a rubber layer or a rubber bulge.
2. The cable cutter of claim 1, wherein: an elastic layer (12) is arranged on the lower surface of the upper cutting part (1), and a plurality of iron sheets (121) are uniformly embedded in the elastic layer (12); an electromagnet (23) is arranged in the lower cutting part (2).
3. The cable cutter of claim 2, wherein: handles are arranged on the cutting part and the cable fixing part.
4. A cable cutter according to claim 3, wherein: the cutting edge of the transverse cutter (22) is in a concave arc shape.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611099022.3A CN106532580B (en) | 2016-12-04 | 2016-12-04 | Cable cutter |
Applications Claiming Priority (1)
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CN201611099022.3A CN106532580B (en) | 2016-12-04 | 2016-12-04 | Cable cutter |
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CN106532580A CN106532580A (en) | 2017-03-22 |
CN106532580B true CN106532580B (en) | 2023-06-27 |
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CN201611099022.3A Active CN106532580B (en) | 2016-12-04 | 2016-12-04 | Cable cutter |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107979029B (en) * | 2017-11-29 | 2019-07-30 | 宁波江北清纬环保科技有限公司 | Environmentally friendly recyclable device |
CN110048340B (en) * | 2018-01-16 | 2024-08-02 | 上海宝冶冶金工程有限公司 | Construction wire stripper |
CN109616960B (en) * | 2019-01-04 | 2021-09-10 | 中建八局第一建设有限公司 | Power cable wire stripper |
CN113012857B (en) * | 2021-02-08 | 2022-07-22 | 中通电缆集团有限公司 | Cable production equipment |
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