CN221009673U

CN221009673U - Device for stripping insulating layer

Info

Publication number: CN221009673U
Application number: CN202322611902.6U
Authority: CN
Inventors: 叶惠敏; 朱悦嘉; 朱祚茂; 赖观华; 温琴
Original assignee: Jiateng Electric Industry Ganzhou Co ltd
Current assignee: Jiateng Electric Industry Ganzhou Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-05-24
Anticipated expiration: 2033-09-26

Abstract

The utility model discloses a device for stripping an insulating layer, which comprises a paying-off assembly, a first tension assembly, a preheating assembly, a stripping assembly, a second tension assembly and a wire collecting assembly, wherein the paying-off assembly, the first tension assembly, the preheating assembly, the stripping assembly, the second tension assembly and the wire collecting assembly are sequentially arranged from one end to the other end, the stripping assembly comprises a stripping die, and the stripping die comprises a die core and a die sleeve which are detachably connected.

Description

Device for stripping insulating layer

Technical Field

The utility model relates to the technical field of cable stripping, in particular to a device for stripping an insulating layer.

Background

The PEEK resin is a high-performance thermoplastic material, has a plurality of remarkable advantages compared with other special engineering plastics, has the advantages of high temperature resistance, excellent mechanical property, good self-lubricating property, chemical corrosion resistance, flame retardance, peeling resistance, irradiation resistance, stable insulativity, hydrolysis resistance, easiness in processing and the like, is applied to the fields of aerospace, automobile manufacturing, electronic and electric, medical treatment, food processing and the like, can be continuously used at the working temperature of up to 250 ℃ and in hot water or steam without influencing the physical properties, has the melting point of 334 ℃, and generally requires that a PEEK coating layer outside a copper wire is peeled off after the copper wire is peeled off, has no coating residue on the copper wire, has neat boundary after the copper wire is peeled off, and has no copper wire on the PEEK material in order to ensure the feasibility of recycling the PEEK wire.

At present, the industry treatment method comprises the following steps:

Scraping paint removal method: the paint skin can be scraped one by a knife or a broken saw blade, and the paint skin is carefully scraped along the periphery during scraping, so that the mode is easy to scratch a lead and uneven, and time and labor are consumed too;

Concentrated sulfuric acid paint removal: a first procedure: soaking in industrial grade concentrated sulfuric acid, and the second procedure: rinsing the black film in chromic acid solution, rinsing by chromic acid solution, and then washing by two times, wherein the mode is relatively dangerous to operate due to the strong corrosiveness of the liquid;

High-efficiency paint remover: the cable with the paint layer removed is soaked in the paint remover for 0.5 to 5 minutes, the paint layer is strongly swelled and swelled to be completely removed, the residual paint sheet on the surface of the workpiece is removed and is removed by using high-pressure water, and the cable is cleaned by using clear water, so that the cable has certain corrosiveness and is not friendly to the treatment of a large number of wires;

Laser paint stripping: the principle that the paint layer on the surface of the cable is subjected to expansion caused by heat and contraction caused by cold is utilized for stripping, and the paint layer stripped on the surface is directly crushed by high-strength vibration, but the mode can only be used for small-scale treatment and cannot be used for large-scale treatment;

Wire grinding machine: the cutting tool belongs to a high-speed tool, vibration can be generated in operation, an insulating layer on the surface of a cable is ground off, a large amount of scraps and powder can be generated during cutting in the mode, and when the cutting temperature is too high, the workpiece can be melted, decomposed and even burnt;

Directly recycle to recycling company: the recovery company has complex treatment method, high cost and long preparation time;

Therefore, the method is not ideal in realizing the simultaneous mass, rapid, damage-free and low-cost recovery of copper and polyether-ether-ketone in the cable.

Disclosure of utility model

The present utility model is directed to a device for stripping an insulating layer, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a strip device of insulating layer, includes unwrapping wire subassembly, first tension subassembly, preheats the subassembly, strip subassembly, second tension subassembly and receive line subassembly, unwrapping wire subassembly first tension subassembly preheat the subassembly strip the subassembly second tension subassembly and receive line subassembly and arrange in proper order from one end to the other end, strip the subassembly including stripping the mould, it includes mold core and die sleeve to strip the mould, mold core detachably inserts in the die sleeve, mold core front end periphery is equipped with first chamfer, the inside wire passing hole that is equipped with of mold core, the wire passing hole end is equipped with the second chamfer.

Further, the value range of the first chamfer is 30-40 degrees.

Further, the material of the mold core is any one of alloy steel, hard alloy, natural diamond, artificial monocrystalline diamond and artificial polycrystalline diamond.

Further, the die sleeve is made of stainless steel or carbon steel.

Further, the stripping assembly also includes a storage box and a cooling box.

Further, the second chamfer takes on a value in the range of 10-90 degrees.

Compared with the prior art, the insulating layer stripping device has the following beneficial effects: through set up tension assembly at the cable both ends of waiting to strip the insulating layer for the cable is in the tensioning state and more does benefit to the operation of stripping, to the higher insulating layer material of hardness, carries out the insulating layer that can make the cable before stripping and softens, and convenient further strip the operation is equipped with mold core and the die sleeve of detachable connection in the mould that strips in stripping the subassembly, and the mold core can be changed according to the actual specification of cable, and the device has following advantage: the stripping operation can be continuously and uninterruptedly carried out, the stripping efficiency is high, the stripping device can be suitable for cables with various specifications, the stripped cables are complete and free of scraps, no insulating layer is left on the copper wire, the stripped insulating layer is free of copper wire residues, the whole stripping process only needs manual feeding and winding, manual stripping is not needed, the labor cost is reduced, the conductors and the insulating layer can be separated at the same time, the insulating layer and the copper wire are respectively recycled, the resource waste is avoided, the environment is prevented from being polluted by adopting a physical removing method, and the device is beneficial to environmental protection.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure, and are not intended to limit the scope of the utility model, since any modification, variation in proportions, or adjustment of the size, etc. of the structures, proportions, etc. should be considered as falling within the spirit and scope of the utility model, without affecting the effect or achievement of the objective.

FIG. 1 is a schematic diagram of the overall workflow of an apparatus for stripping insulation layer according to the present utility model;

FIG. 2 is a schematic view of a stripping mold according to the present utility model;

FIG. 3 is a cross-sectional view of a stripping mold of the present utility model;

FIG. 4 is an enlarged schematic view of a portion of the stripping mold A shown in FIG. 3;

FIG. 5 is a cross-sectional view of a stripping mold and a cable according to the present utility model;

In the figure: 1 paying-off component, 2 first tension component, 3 preheating component, 4 stripping component, 41 mould core, 42 mould sleeve, 43 wire passing hole, 5 second tension component, 6 wire receiving component, 7 conductor, 71 insulating layer, a first chamfer and b second chamfer.

Detailed Description

In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the embodiments described below are only some embodiments of the present utility model, not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Referring to fig. 1-4, the present utility model provides a technical solution:

The utility model provides a strip device of insulating layer, includes unwrapping wire subassembly 1, first tension subassembly 2, preheats subassembly 3, strip subassembly 4, second tension subassembly 5 and receive line subassembly 6, unwrapping wire subassembly 1 first tension subassembly 2 preheat subassembly 3 strip subassembly 4 second tension subassembly 5 and receive line subassembly 6 arrange in proper order from one end to the other end, strip subassembly 4 includes and strip the mould, strip the mould and include mold core 41 and die sleeve 42, mold core 41 detachably inserts in the die sleeve 42, mold core 41 front end periphery is equipped with first chamfer a, the inside wire passing hole 43 that is equipped with of mold core, wire passing hole 43 end is equipped with second chamfer b.

The cable insulating layer made of PEEK material has better thermoplasticity, can be repeatedly heated and used, and recycling value is higher, therefore, the cable insulating layer can be continuously stripped and simultaneously recovered, the cable insulating layer can be recycled, the paying-off component 1 and the winding component 6 are respectively used for winding and paying-off the cable, the preheating component 3 is used for preheating the cable before stripping operation, the conductor and the insulating layer are softened, the insulating layer of the cable can be softened due to higher PEEK material hardness, the tensioning components at the two ends of the stripping component 4 can straighten the cable to be stripped, the cable is provided with a certain tension to facilitate the subsequent stripping operation, and finally the stripped conductor is regularly wound on the spool through the winding component 6 for storing the cable.

The mold core 41 can be replaced according to the size specification of the cable to adapt to cables with different types, cross-sectional shapes and sizes, cables with various specifications are applicable, the size of the front end of the wire passing hole 43 in the mold core 41 is smaller than that of the insulating layer 71 but slightly larger than that of the conductor 7 in the insulating layer 71, referring to fig. 5, the mold core 41 only allows the conductor 7 in the cable to pass through the front end of the wire passing hole 43, the insulating layer 71 is blocked on the outer side of the wire passing hole 43 by the front end of the mold core 41, in the process that the cable continuously passes through the wire passing hole 43 on the mold core 41, a sharp scraper can be formed by the first chamfer a at the front end of the mold core 41 to continuously scrape the insulating layer 71, a proper space can be reserved for the conductor 7, excessive friction between the conductor 7 and the wire passing hole 43 is prevented, movement and passing of the conductor 7 are facilitated, cooling liquid can be continuously sprayed on the mold core 41 in the process of stripping the insulating layer 71, and damage to the mold core 41 caused by high temperature is prevented.

The mold core 41 is sleeved on the conductor 7 in the cable, referring to fig. 5, in the process of the cable travelling along the x direction, the periphery of the cable passing through the wire through hole 43 can be stripped by a scraper formed by a first chamfer angle a at the front end of the mold core 41 at the same time, and the conventional method is to cut the insulating layer 71 on one surface of the cable at one time, so that the stripping efficiency of the device is higher, the device is clean and thorough, no debris residue is generated, the insulating layer 71 can be continuously stripped, the cost is lower, meanwhile, the insulating layer 71 is not wasted by adopting a mode of destroying the insulating layer 71 by burning and the like, resources are saved, and the environment pollution caused by toxic and harmful gas in the burning process is avoided.

Further, the value range of the first chamfer angle a is 30-40 degrees.

If the angle of the first chamfer a is too large, the thickness of the front end of the mold core 41 is thinner, the strength is insufficient, if the angle of the first chamfer a is too small, the sharpness of a scraper formed at the front end of the mold core 41 is insufficient, a clamping phenomenon or an insulating layer 71 stacking phenomenon is easily generated in the cable stripping process, the stripped insulating layer 71 can be stripped down along the angle by setting the angle of the first chamfer a to 30-40 degrees, the insulating layer 71 stacking is avoided, the continuous operation of the stripping assembly 4 can be ensured, and the operation efficiency is improved.

Further, the material of the mold core 41 is any one of alloy steel, hard alloy, natural diamond, artificial monocrystalline diamond, and artificial polycrystalline diamond, and the mold core 41 is in frictional contact with the cable all the time in the working process, so that the mold core 41 is made of a material with higher hardness.

Further, the die sleeve 42 is made of stainless steel or carbon steel, and the die sleeve 42 can be made of a material with relatively low hardness so as to save cost.

Further, the stripping assembly 4 further comprises a storage box and a cooling box, the storage box is used for storing the stripped insulation layer 71, the cooling box stores cooling liquid, such as clean water, and the cooling liquid is sprayed to the contact position of the mold core 41 and the cable when stripping due to severe friction generated in the process of stripping the insulation layer between the mold core 41 and the cable, so as to cool the stripping mold and the cable and prevent the cable from being broken due to overhigh temperature.

Further, in order to better realize the cooling of the contact part of the mold core 41 and the insulated wire and more conveniently enable the conductor 7 in the cable to pass through the wire through hole 43, the second chamfer b is set to be 10-90 degrees, and a certain space is left between the second chamfer b on the wire through hole 43 and the conductor 7, so that the cooling of the conductor 7 and the mold core 41 by the cooling liquid can be facilitated.

The insulating layer 71 to which the present solution can be applied is not limited to the PEEK insulating layer, and other insulating layers 71 having recovery value of enameled wires may be used.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a strip device of insulating layer, includes unwrapping wire subassembly, first tension subassembly, preheats the subassembly, strip subassembly, second tension subassembly and receive line subassembly, its characterized in that, unwrapping wire subassembly first tension subassembly preheat the subassembly, strip the subassembly second tension subassembly and receive line subassembly arranges in proper order from one end to the other end, strip the subassembly including stripping the mould, it includes mold core and die sleeve to strip the mould core detachably inserts in the die sleeve, mold core front end periphery is equipped with first chamfer, the inside wire passing hole that is equipped with of mold core, wire passing hole end is equipped with the second chamfer.

2. The apparatus of claim 1, wherein the first chamfer has a value in the range of 30 ° to 40 °.

3. The apparatus for stripping insulation according to claim 1, wherein the mold core is made of any one of alloy steel, cemented carbide, natural diamond, artificial single crystal diamond, and artificial polycrystalline diamond.

4. The apparatus of claim 1, wherein the die sleeve is made of stainless steel or carbon steel.

5. The apparatus of claim 1, wherein the stripping assembly further comprises a storage box and a cooling box.

6. The apparatus of claim 1, wherein the second chamfer has a value in the range of 10 ° to 90 °.