CN118336603A - Heating cable head stripping equipment and production process - Google Patents
Heating cable head stripping equipment and production process Download PDFInfo
- Publication number
- CN118336603A CN118336603A CN202410769142.8A CN202410769142A CN118336603A CN 118336603 A CN118336603 A CN 118336603A CN 202410769142 A CN202410769142 A CN 202410769142A CN 118336603 A CN118336603 A CN 118336603A
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- Prior art keywords
- heating cable
- cutting
- clamping
- tube
- jacket
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 93
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 238000005520 cutting process Methods 0.000 claims abstract description 131
- 229910052751 metal Inorganic materials 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 22
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 8
- 239000011707 mineral Substances 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 description 21
- 238000005457 optimization Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000036544 posture Effects 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000000374 eutectic mixture Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- 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
- H02G1/1265—Machines the cutting element rotating about the wire or cable
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/54—Heating elements having the shape of rods or tubes flexible
- H05B3/56—Heating cables
-
- 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]
Landscapes
- Removal Of Insulation Or Armoring From Wires Or Cables (AREA)
Abstract
The invention relates to the technical field of heating cable production equipment, in particular to heating cable head stripping equipment and a production process. The heating cable head stripping equipment comprises a workbench, a feeding mechanism, a clamping mechanism and a cutting mechanism, wherein the clamping mechanism comprises a jacket, a clamping pipe, a pull pipe, a shell and a bolt, the clamping pipe penetrates through the shell, a chuck is arranged at the front end of the clamping pipe, a circle of jacks are uniformly arranged at the edge of the chuck, a pin hole corresponding to the position of the jack is formed in the top surface of the shell, and the bolt is arranged in the pin hole; the jacket is in a circular tube shape, the side surface of the front end of the jacket is conical, three openings are uniformly formed in the front end surface of the jacket, external threads are arranged at the rear end of the jacket, a threaded hole corresponding to the jacket is formed in one end of the pull tube, a rotary table is arranged at the other end of the pull tube, and the jacket and the pull tube are inserted from the openings of the front end and the rear end of the clamping tube respectively and are connected through threads. The circular cutting device can complete circular cutting of circular pipes, burrs cannot be generated, rotation and feeding quantity of the heating cable are controllable, and circular cutting quality is improved.
Description
Technical Field
The invention relates to the technical field of heating cable production equipment, in particular to heating cable head stripping equipment and a production process.
Background
With the development of technology, higher requirements are also put on the heating temperature of the heating cable, for example, pipeline heating of a fused Salt energy storage device needs to provide a temperature higher than the melting point of fused Salt, and the melting point of fused Salt is higher, such as the melting point of binary fused Salt is 220 ℃, and the melting point of eutectic mixture hot Salt of 60% sodium nitrate and 40% potassium nitrate is 260-550 ℃. Heating cables of conventional polyvinyl chloride (PVC) or silicone rubber sheaths do not meet the working requirements. Thus, the invention of CN115474300B provides an oil-in-pipe type heating cable structure. The heating cable comprises a metal sheath, a mineral insulating layer and a heating wire core from outside to inside. In the processing process of the cable, in order to connect the power supply lead, the metal sheath and the mineral insulating layer at the two ends of the heating cable are required to be removed, and the heating cable core is peeled off for a section. The traditional head stripping mode is to cut through a cutter or a saw blade, but burrs are generated at the cut, so that the encapsulation and insulation of a mineral insulating layer are not facilitated, and the cost is increased due to the fact that a deburring process is added.
In the prior art, the ultrasonic cutting technology has been applied to a certain range, and the ultrasonic cutting has the advantages of smooth and firm cut, accurate trimming, no deformation, no edge warping, no fuzzing, no filament drawing, no buckling and the like, and can avoid burrs when being used for cutting a metal tube.
In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art: the prior art has simple application to ultrasonic cutting technology, the most common is a handheld ultrasonic cutting knife, manual hand-held cutting is needed, positioning, rotation and feeding of materials are completely needed to be determined by workers through experience and hand feeling, and stability of cutting quality cannot be guaranteed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention develops the heating cable head stripping equipment and the production process, the equipment can complete circular cutting of the circular tube, burrs are not generated, the rotation and the feeding amount of the heating cable are controllable, and the circular cutting quality is improved.
The technical scheme for solving the technical problems is as follows: the embodiment of the invention provides heating cable head stripping equipment which is used for carrying out circular cutting on a metal sheath of a heating cable and comprises a workbench, a feeding mechanism, a clamping mechanism and a cutting mechanism, wherein the feeding mechanism and the cutting mechanism are arranged on the workbench; the jacket is in a circular tube shape, the side surface of the front end of the jacket is conical, three clamping jaws are uniformly arranged at the front end of the jacket, and external threads are arranged at the rear end of the jacket; one end of the pull tube is provided with a threaded hole corresponding to the clamping sleeve, the other end of the pull tube is provided with a rotary table, the front end opening of the clamping tube is in a cone shape with the same cone angle as the front end of the clamping sleeve, and the clamping sleeve and the pull tube are inserted from the front end opening and the rear end opening of the clamping tube respectively and are connected through threads. A bearing is arranged between the clamping tube and the shell, a rolling bearing is arranged between the side surfaces of the two ends of the clamping tube and the shell, and a thrust bearing is arranged between the chuck, the turntable and the two side surfaces of the shell.
As the optimization, the top surface of movable plate is provided with horizontal reverse T shape spout, fixture still includes the dog, and the dog is installed in reverse T shape spout, and the bottom of casing passes through the screw connection dog.
As an optimization, the clamping mechanism further comprises a fastening screw, wherein the fastening screw is arranged on the side face of the clamping tube, and the fastening screw is arranged in the shell and is in contact with the side face of the clamping tube.
As optimization, the cutting mechanism comprises a driving power supply, a mounting frame, a converter, a cutting knife and a pipe clamp, wherein the bottom of the mounting frame is connected with a workbench, the pipe clamp is arranged at the top of the mounting frame, the converter is arranged on the pipe clamp, an ultrasonic transducer and an amplitude transformer are arranged in the converter, and the driving power supply, the ultrasonic transducer, the amplitude transformer and the cutting knife are sequentially connected. The clamping mechanism is transversely arranged, the cutting knife is opposite to and perpendicular to the clamping mechanism, and the cutting knife is positioned in front of the chuck.
Preferably, the length of the cutting edge opening is greater than the outer diameter of the heating cable. After the cutting edge of the cutting knife cuts into the heating cable for a certain distance, the heating cable is rotated to complete a circle of circular cutting.
As optimization, feed mechanism still includes base, screw rod, nut, hand wheel a, and the both ends of screw rod are installed on the base through the bearing, and hand wheel a installs the one end at the screw rod, and the nut is installed on the screw rod, and the bottom surface of movable plate connects the nut, is provided with dovetail and dovetail slide rail between the top surface of base and the bottom surface of movable plate.
As optimization, the feeding mechanism is an electric linear push rod, and the moving plate is connected with a telescopic rod of the electric linear push rod.
As the optimization, the workstation includes mesa, lifting column, the support column, the guard shield, worm, hand wheel b, the connecting axle, the turbine, rack, the gear, the bottom both sides of mesa set up a vertical lifting column respectively, the rack is vertical installs on the lifting column, the support column parcel lifting column and with lifting column lateral surface laminating, the guard shield is installed on a support column, the both ends of worm are installed on the guard shield lateral wall through the bearing, hand wheel b installs the end at the worm, the both ends of connecting axle are installed on the support column through the bearing, the gear sets up one at the both ends of connecting axle respectively, the turbine sets up the one end at the connecting axle, turbine and worm meshing, gear and rack meshing, the guard shield covers worm, turbine, gear.
Another embodiment of the present invention provides a heating cable stripping production process, using the heating cable stripping apparatus, including the following steps:
A. Inserting the bolt into the pin hole and passing through a jack; or tightening the tightening screw to secure the chuck.
B. the heating cable is inserted into the jacket, and the transverse position of the heating cable is adjusted, so that the circular cutting position is right against the cutting edge of the cutting knife.
C. The rotary table rotates the pull tube, the clamping sleeve is pulled through threaded connection between the pull tube and the clamping sleeve, the front end of the clamping sleeve moves towards the clamping tube, and simultaneously, the heating cable is clamped by the three clamping jaws at the front end of the clamping sleeve, so that the heating cable is clamped.
D. and the hand wheel a is rotated to push the heating cable to the cutting edge of the cutting knife until the heating cable contacts with the cutting edge opening.
E. and the speed of rotating the hand wheel a is reduced, the feeding speed is reduced, and the hand wheel a is rotated at a constant speed to push the heating cable to continue feeding until the metal sheath is cut through by the cutting knife.
F. Stopping rotating the hand wheel a, removing the bolt or loosening the fastening screw, and releasing the chuck.
G. And rotating the turntable at a constant speed for one circle to complete the circular cutting of the metal sheath.
H. And (3) taking down the heating cable after cutting, removing the metal sheath cut by the ring, and removing the mineral insulating layer by using a clamp to finish the head stripping operation of the heating cable.
Preferably, the feeding distance of the heating cable in the step E is the wall thickness of the metal sheath.
The effects provided in the summary of the invention are merely effects of embodiments, not all effects of the invention, and the above technical solution has the following advantages or beneficial effects:
1. The circular cutting of the circular tube can be completed by arranging the cutting mechanism with the ultrasonic cutting knife, and burrs are not generated; conventional cutting is performed by pressing a cutter with a sharp edge against the material to be cut. The pressure is concentrated at the cutting edge, the pressure is very high and exceeds the shearing strength of the material to be cut, and the molecular combination of the material is pulled apart, so that the cutting of the material is realized. Burrs are easily generated because the material is hard pulled apart by strong pressure. Unlike conventional cutters, ultrasonic cutters utilize wave energy for cutting. The driving power supply converts commercial power into high-frequency alternating current and outputs the high-frequency alternating current to the ultrasonic transducer; the ultrasonic transducer converts the input electric energy into mechanical energy, the transducer outputs longitudinal telescopic movement, and the frequency of the telescopic movement is equal to the frequency of the high-frequency alternating current supplied by the driving power supply; the horn amplifies the output amplitude of the transducer. The cutting knife utilizes the cutting edge to concentrate the vibration energy input to the cutting position of being cut material, and the cutting edge collides repeatedly between being cut material, and the vibration energy cuts through the mode that activates the rubber molecule energy, opens the molecular chain, and the cutting position of being cut material produces tiny broken layer, and this position softens, melts in the twinkling of an eye under the effect of vibration energy, and intensity drops greatly. At this time, the purpose of cutting the material can be achieved by applying a small cutting force. The cutting edge of the cutting knife only plays roles of cutting and positioning, energy output and material separation. The cutting part can be fused during cutting, and the cutting part is perfectly sealed without burrs.
2. By arranging the clamping mechanism and the feeding mechanism, the rotation and the feeding amount of the heating cable are controllable, and the circular cutting quality is improved. The center of the front end face of the clamping sleeve is a through round hole, three openings are uniformly distributed on the outer side of the round hole, and three annular clamping jaws of 120 degrees are formed at the front end of the clamping sleeve. The bolt is inserted into the pin hole and passes through a jack; or tightening the fastening screw, fixing the chuck, rotating the turntable to enable the pull tube to rotate, pulling the jacket through threaded connection between the pull tube and the jacket, enabling the front end of the jacket to move towards the clamping tube, and simultaneously clamping the heating cable by the three clamping jaws, so that the heating cable can be clamped. The bolt is taken down or the fastening screw is loosened, the chuck is released, the turntable is rotated at a constant speed for one circle, and the heating cable can be rotated. The hand wheel a is rotated to drive the screw rod to rotate, so that the front and back movement of the moving plate is realized, and the controllable feeding amount is realized.
3. The transverse position of the clamping mechanism on the movable plate can be adjusted by arranging a transverse inverted T-shaped chute on the top surface of the movable plate.
4. Through setting up fastening screw, screw down fastening screw when needs fixed card pipe, loosen fastening screw when needing the release card pipe, it is more convenient than the dismouting bolt.
5. The cutting force of cutting knife is released through longitudinal vibration energy, through setting up the length of cutting knife blade and being greater than heating cable's external diameter, and the cutting edge mouth covers the metal sheath that heats electricity all the time, when can avoiding heating cable rotation, blade side card in cutting mouth department.
6. The hand wheel b is rotated to sequentially drive the worm, the turbine and the gear to rotate, so that the rack is driven to move up and down, the height adjustment of the workbench is realized, the operation of standing or sitting postures of workers can be adapted, and the convenience is provided for circular cutting work.
Drawings
Fig. 1 is a general structural view of a heating cable.
Fig. 2 is a perspective view of an embodiment of the present invention.
Fig. 3 is a left side view of an embodiment of the present invention.
Fig. 4 is a front view of an embodiment of the present invention.
Fig. 5 is a partial enlarged view of the area E in fig. 2.
Fig. 6 is a perspective view of a clamping mechanism in an embodiment of the invention.
Fig. 7 is a top view of a clamping mechanism in an embodiment of the invention.
Fig. 8 is a cross-sectional view of fig. 7 taken along the direction B-B.
Fig. 9 is a partial enlarged view of the region F in fig. 6.
Fig. 10 is a perspective view of a jacket in one embodiment of the present invention.
FIG. 11 is a perspective view of a cutting mechanism according to one embodiment of the present invention.
Fig. 12 is a perspective view of a feed mechanism in one embodiment of the invention.
Fig. 13 is a perspective view of a table in an embodiment of the invention.
Fig. 14 is a partial enlarged view of the region C in fig. 13.
Fig. 15 is a schematic view of the internal structure of the region C in fig. 13.
Wherein: 1. work bench, 2, feeding mechanism, 3, clamping mechanism, 4, cutting mechanism, 5, heating cable, 11, table top, 13, lifting column, 14, support column, 15, shield, 16, worm, 17, hand wheel b, 18, connecting shaft, 19, turbine, 111, rack, 112, gear, 21, base, 22, screw, 23, nut, 24, moving plate, 25, hand wheel a, 31, jacket, 32, clamping tube, 33, pulling tube, 34, housing, 35, bolt, 36, stopper, 37, fastening screw, 321, chuck, 322, jack, 331, turntable, 41, mounting frame, 42, converter, 43, cutting knife, 44, pipe clamp, 51, heating wire core, 52, mineral insulation layer, 53.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present invention will be described in detail below with reference to the following detailed description and the accompanying drawings.
As shown in fig. 1, the heating cable 5 is sequentially provided with a metal sheath 53, a mineral insulation layer 52 and a heating wire core 51 from outside to inside. The invention aims to remove a metal sheath 53 after circular cutting, expose a heating wire core 51 and finish the heating cable stripping.
Example 1: fig. 2 to 15 show an embodiment of the present invention, as shown in fig. 2 and 5, a heating cable stripping apparatus for performing ring cutting on a metal sheath 53 of a heating cable 5, which includes a workbench 1, a feeding mechanism 2, a clamping mechanism 3, and a cutting mechanism 4, wherein the feeding mechanism 2 and the cutting mechanism 4 are mounted on the workbench 1, the feeding mechanism 2 includes a moving plate 24 capable of moving back and forth, the clamping mechanism 3 is mounted on the moving plate 24, and the cutting mechanism 4 is disposed behind the clamping mechanism 3.
As shown in fig. 6 to 10, the clamping mechanism 3 includes a jacket 31, a clamping tube 32, a pull tube 33, a housing 34, and a latch 35, wherein the housing 34 is mounted on the moving plate 24, the clamping tube 32 penetrates through the housing 34, a chuck 321 is disposed at the front end of the clamping tube 32, a circle of insertion holes 322 are uniformly disposed at the edge of the chuck 321, a pin hole corresponding to the position of the insertion hole is disposed on the top surface of the housing 34, and the latch 35 is mounted in the pin hole; the side surface of the front end of the clamping sleeve 31 is conical, three clamping jaws are uniformly arranged at the front end of the clamping sleeve 31, and external threads are arranged at the rear end of the clamping sleeve 31; one end of the pull tube 33 is provided with a threaded hole corresponding to the clamping sleeve 31, the other end is provided with a rotary disc 331, the front end opening of the clamping tube 32 is in a conical shape with the same conical angle as the front end of the clamping sleeve 31, and the clamping sleeve 31 and the pull tube 33 are inserted from the front end opening and the rear end opening of the clamping tube 32 respectively and are connected through threads. Bearings are arranged between the clamping tube 32 and the shell 34, rolling bearings are arranged between the side surfaces of the two ends of the clamping tube 32 and the shell 34, and thrust bearings are arranged between the chuck 321, the turntable 331 and the two side surfaces of the shell 34. The center of the front end surface of the jacket 31 is a through round hole, three openings are uniformly distributed on the outer side of the round hole, and three annular clamping jaws of 120 degrees are formed at the front end of the jacket 31.
The top surface of the moving plate 24 is provided with a transverse inverted-T-shaped chute, the clamping mechanism 3 further comprises a stop 36, the stop 36 is arranged in the inverted-T-shaped chute, and the bottom of the shell 34 is connected with the stop 36 through a screw. By providing a transverse inverted T-shaped chute in the top surface of the moving plate 24, the transverse position of the clamping mechanism 3 on the moving plate 24 can be adjusted.
The clamping mechanism 3 further comprises a fastening screw 37, the fastening screw 37 being arranged at the side of the cartridge 32, the fastening screw 37 being mounted in the housing 34 and being in contact with the side of the cartridge 32. By providing the fastening screw 37, the fastening screw 37 is screwed when the clip tube 32 needs to be fixed, and the fastening screw 37 is loosened when the clip tube 32 needs to be released, which is more convenient than the dismounting bolt 35.
As shown in fig. 11, the cutting mechanism 4 includes a driving power source, a mounting frame 41, a converter 42, a cutting blade 43, and a pipe clamp 44, the bottom of the mounting frame 41 is connected with the workbench 1, the pipe clamp 44 is disposed at the top of the mounting frame 41, the converter 42 is mounted on the pipe clamp 44, an ultrasonic transducer and an amplitude transformer are disposed in the converter 42, and the driving power source, the ultrasonic transducer, the amplitude transformer, and the cutting blade 43 are sequentially connected. The clamping mechanism 3 is transversely arranged, the cutting knife 43 is opposite to and perpendicular to the clamping mechanism 3, and the cutting knife 43 is positioned in front of the chuck 321. Conventional cutting is performed by pressing a cutter with a sharp edge against the material to be cut. The pressure is concentrated at the cutting edge, the pressure is very high and exceeds the shearing strength of the material to be cut, and the molecular combination of the material is pulled apart, so that the cutting of the material is realized. Burrs are easily generated because the material is hard pulled apart by strong pressure. Unlike conventional cutters, ultrasonic cutters utilize wave energy for cutting. The driving power supply converts commercial power into high-frequency alternating current and outputs the high-frequency alternating current to the ultrasonic transducer; the ultrasonic transducer converts the input electric energy into mechanical energy, the transducer outputs longitudinal telescopic movement, and the frequency of the telescopic movement is equal to the frequency of the high-frequency alternating current supplied by the driving power supply; the horn amplifies the output amplitude of the transducer. The cutting knife utilizes the cutting edge to concentrate the vibration energy input to the cutting position of being cut material, and the cutting edge collides repeatedly between being cut material, and the vibration energy cuts through the mode that activates the rubber molecule energy, opens the molecular chain, and the cutting position of being cut material produces tiny broken layer, and this position softens, melts in the twinkling of an eye under the effect of vibration energy, and intensity drops greatly. At this time, the purpose of cutting the material can be achieved by applying a small cutting force. The cutting edge of the cutting knife only plays roles of cutting and positioning, energy output and material separation. The cutting part can be fused during cutting, and the cutting part is perfectly sealed without burrs.
The length of the cutting edge of the cutter 43 is greater than the outer diameter of the heating cable. After the cutting edge of the cutter 43 cuts into the heating cable for a certain distance, the heating cable is rotated to complete a round of circular cutting. The cutting force of the cutter 43 is released through longitudinal vibration energy, the length of the cutting edge of the cutter 43 is larger than the outer diameter of the heating cable, the cutting edge of the cutter 43 is always covered with a metal sheath for heating electricity, and the side face of the cutting edge is clamped at the cutting opening when the heating cable rotates can be avoided.
As shown in fig. 12, the feeding mechanism 2 further includes a base 21, a screw 22, a nut 23, and a hand wheel a25, wherein two ends of the screw 22 are mounted on the base 21 through bearings, the hand wheel a25 is mounted at one end of the screw 22, the nut 23 is mounted on the screw 22, the bottom surface of the moving plate 24 is connected with the nut 23, and a dovetail groove and a dovetail slide rail are disposed between the top surface of the base 21 and the bottom surface of the moving plate 24. Rotating the hand wheel a25 can drive the screw 22 to rotate, thereby realizing the forward and backward movement of the moving plate 24.
As shown in fig. 13 to 15, the workbench 1 includes a table top 11, a lifting column 13, a supporting column 14, a shield 15, a worm 16, a hand wheel b17, a connecting shaft 18, a turbine 19, a rack 111 and a gear 112, wherein two sides of the bottom of the table top 11 are respectively provided with a vertical lifting column 13, the rack 111 is vertically installed on the lifting column 13, the supporting column 14 wraps the lifting column 13 and is attached to the outer side surface of the lifting column 13, the shield 15 is installed on a supporting column 14, two ends of the worm 16 are installed on the side wall of the shield 15 through bearings, the hand wheel b17 is installed at the tail end of the worm 16, two ends of the connecting shaft 18 are installed on the supporting column 14 through bearings, the gear 112 is respectively provided with one at two ends of the connecting shaft 18, the turbine 19 is arranged at one end of the connecting shaft 18, the turbine 19 is meshed with the worm 16, the gear 112 is meshed with the rack 111, and the shield 15 covers the worm 16, the turbine 19 and the gear 112. The hand wheel b17 is rotated to sequentially drive the worm 16, the turbine 19 and the gear 112 to rotate, so that the rack 111 is driven to move up and down, the height adjustment of the workbench 1 is realized, the operation of standing or sitting postures of workers can be adapted, and the convenience is provided for circular cutting work. The device can complete circular cutting of the circular tube by arranging the cutting mechanism 4 with the ultrasonic cutting knife, and burrs are not generated; by arranging the clamping mechanism 3, the rotation and the feeding amount of the heating cable are controllable, and the circular cutting quality is improved.
Example 2: the heating cable head peeling production process using the heating cable head peeling equipment comprises the following steps of:
A. inserting the pin 35 into the pin hole and through a jack 322; or tightening the tightening screw 37 to fix the chuck 321.
B. the heating cable 5 is inserted into the jacket 31, and the lateral position of the heating cable 5 is adjusted so that the circular cutting position is right against the cutting edge of the cutting blade 73.
C. The rotating disc 331 rotates the pull tube 33, the pull tube 33 is connected with the jacket 31 through threads, the jacket 31 is pulled, the front end of the jacket 31 moves towards the clamping tube 32, and simultaneously, three clamping jaws at the front end of the jacket 31 clamp the heating cable, so that the heating cable is clamped.
D. Rotating the hand wheel a25 pushes the heating cable 5 towards the cutting edge of the cutting blade 73 until the heating cable 5 contacts the cutting edge of the cutting blade 73.
E. The speed of rotating the hand wheel a25 is reduced, the feeding speed is reduced, and the hand wheel a25 is rotated at a constant speed to push the heating cable 5 to continue feeding until the metal sheath 53 is cut through by the cutting knife 73.
F. Stopping turning the hand wheel a25, removing the latch 35 or loosening the tightening screw 37 releases the chuck 321.
G. The turntable 331 is rotated at a constant speed for one turn, and the circular cutting of the metal sheath 53 is completed.
H. The cut heating cable is taken down, the metal sheath 53 cut by the ring is removed, the mineral insulating layer 52 is removed by a clamp, and the head stripping operation of the heating cable is completed.
The feeding distance of the heating cable 5 in said step E is the wall thickness of the metal sheath 53.
While the foregoing description of the embodiments of the present invention has been presented with reference to the drawings, it is not intended to limit the scope of the invention, but rather, it is apparent that various modifications or variations can be made by those skilled in the art without the need for inventive work on the basis of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a heating cable head equipment of shelling for carry out the ring to metal sheath (53) of heating cable (5), including workstation (1), feed mechanism (2), fixture (3), cutting mechanism (4), feed mechanism (2) are installed on workstation (1) with cutting mechanism (4), but feed mechanism (2) include back and forth movable's movable plate (24), fixture (3) are installed on movable plate (24), cutting mechanism (4) set up at the rear of fixture (3), characterized by: the clamping mechanism (3) comprises a jacket (31), a clamping tube (32), a pull tube (33), a shell (34) and a bolt (35), wherein the shell (34) is arranged on the movable plate (24), the clamping tube (32) penetrates through the shell (34), a chuck (321) is arranged at the front end of the clamping tube (32), a circle of insertion holes (322) are uniformly formed in the edge of the chuck (321), pin holes corresponding to the insertion holes are formed in the top surface of the shell (34), and the bolt (35) is arranged in the pin holes; the clamping sleeve (31) is in a circular tube shape, the side surface of the front end of the clamping sleeve (31) is conical, three clamping jaws are uniformly arranged at the front end of the clamping sleeve (31), and external threads are arranged at the rear end of the clamping sleeve (31); one end of the pull tube (33) is provided with a threaded hole corresponding to the clamping sleeve (31), the other end of the pull tube is provided with a rotary table (331), the front end opening of the clamping tube (32) is in a conical shape with the same conical angle as the front end of the clamping sleeve (31), and the clamping sleeve (31) and the pull tube (33) are inserted from the front end opening and the rear end opening of the clamping tube (32) respectively and are connected through threads.
2. A heating cable stripping device according to claim 1, characterized in that the top surface of the moving plate (24) is provided with a transverse inverted-T-shaped chute, the clamping mechanism (3) further comprises a stop (36), the stop (36) is mounted in the inverted-T-shaped chute, and the bottom of the housing (34) is connected to the stop (36) by means of screws.
3. A heating cable stripping device according to claim 1, characterized in that the clamping mechanism (3) further comprises a fastening screw (37), the fastening screw (37) being arranged at the side of the clamping tube (32), the fastening screw (37) being mounted in the housing (34) and being in contact with the side of the clamping tube (32).
4. The heating cable head stripping device according to claim 1, characterized in that the cutting mechanism (4) comprises a driving power supply, a mounting frame (41), a converter (42), a cutting knife (43) and a pipe clamp (44), the bottom of the mounting frame (41) is connected with the workbench (1), the pipe clamp (44) is arranged at the top of the mounting frame (41), the converter (42) is arranged on the pipe clamp (44), an ultrasonic transducer and an amplitude transformer are arranged in the converter (42), and the driving power supply, the ultrasonic transducer, the amplitude transformer and the cutting knife (43) are sequentially connected.
5. A heating cable stripping apparatus as claimed in claim 1, characterized in that the length of the cutting edge of the cutting blade (43) is greater than the outer diameter of the heating cable.
6. The heating cable head stripping device according to claim 1, characterized in that the feeding mechanism (2) further comprises a base (21), a screw (22), a nut (23) and a hand wheel a (25), wherein two ends of the screw (22) are installed on the base (21) through bearings, the hand wheel a (25) is installed at one end of the screw (22), the nut (23) is installed on the screw (22), the bottom surface of the moving plate (24) is connected with the nut (23), and a dovetail groove and a dovetail-shaped sliding rail are arranged between the top surface of the base (21) and the bottom surface of the moving plate (24).
7. A heating cable stripping device according to claim 1, characterized in that the feeding mechanism (2) is an electric linear push rod, and the moving plate (24) is connected with a telescopic rod of the electric linear push rod.
8. The heating cable head stripping device according to claim 7, wherein the workbench (1) comprises a table top (11), a lifting column (13), a support column (14), a shield (15), a worm (16), a hand wheel b (17), a connecting shaft (18), a turbine (19), racks (111) and gears (112), wherein two vertical lifting columns (13) are respectively arranged on two sides of the bottom of the table top (11), the racks (111) are vertically arranged on the lifting column (13), the support column (14) wraps the lifting column (13) and is attached to the outer side surface of the lifting column (13), the shield (15) is arranged on a support column (14), two ends of the worm (16) are arranged on the side wall of the shield (15) through bearings, the hand wheel b (17) is arranged at the tail end of the worm (16), two ends of the connecting shaft (18) are arranged on the support column (14) through bearings, the gears (112) are respectively arranged at two ends of the connecting shaft (18), the turbine (19) are arranged at one end of the connecting shaft (18), and the turbine (19) is meshed with the worm (16), the worm (112) and the gear (112) are meshed with the racks (112).
9. A heating cable stripping production process, characterized in that a heating cable stripping device as claimed in any one of claims 1-8 is used, comprising the steps of:
A. inserting the bolt (35) into the pin hole and through a jack (322); or tightening the fastening screw (37) to fix the chuck (321);
B. inserting a heating cable (5) into the jacket (31), and adjusting the transverse position of the heating cable (5) to enable the circular cutting position to be right against the cutting edge of the cutting knife (73);
C. The rotary table (331) rotates the pull tube (33), the pull tube (33) is connected with the jacket (31) through threads, the jacket (31) is pulled, the front end of the jacket (31) moves towards the clamping tube (32), and simultaneously, three clamping jaws at the front end of the jacket (31) clamp the heating cable, so that the heating cable is clamped;
D. rotating the hand wheel a (25) to push the heating cable (5) to the cutting edge of the cutting knife (73) until the heating cable (5) contacts with the cutting edge of the cutting knife (73);
E. Reducing the speed of rotating the hand wheel a (25), reducing the feeding speed, and uniformly rotating the hand wheel a (25) to push the heating cable (5) to continue feeding until the metal sheath (53) is cut through by the cutting knife (73);
F. Stopping rotating the hand wheel a (25), removing the bolt (35) or loosening the fastening screw (37), and releasing the chuck (321);
G. rotating the turntable (331) at a constant speed for one circle to finish the circular cutting of the metal sheath (53);
H. and (3) taking down the heating cable after cutting, removing the metal sheath (53) cut by the ring, and removing the mineral insulating layer (52) by using a clamp to finish the stripping operation of the heating cable.
10. A heating cable stripping process according to claim 9, characterized in that the feeding distance of the heating cable (5) in step E is the wall thickness of the metal sheath (53).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410769142.8A CN118336603B (en) | 2024-06-14 | 2024-06-14 | Heating cable head stripping equipment and production process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410769142.8A CN118336603B (en) | 2024-06-14 | 2024-06-14 | Heating cable head stripping equipment and production process |
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| CN118336603A true CN118336603A (en) | 2024-07-12 |
| CN118336603B CN118336603B (en) | 2024-08-30 |
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| CN119153174A (en) * | 2024-11-21 | 2024-12-17 | 江西美园电缆集团有限公司 | Shearing device for power cable production |
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| CN118336603B (en) | 2024-08-30 |
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