CN110676772A - Peeling device and method for special-shaped double-layer insulating sheath - Google Patents
Peeling device and method for special-shaped double-layer insulating sheath Download PDFInfo
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- CN110676772A CN110676772A CN201910975568.8A CN201910975568A CN110676772A CN 110676772 A CN110676772 A CN 110676772A CN 201910975568 A CN201910975568 A CN 201910975568A CN 110676772 A CN110676772 A CN 110676772A
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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
- H02G1/1251—Machines the cutting element not rotating about the wire or cable
- H02G1/1253—Machines the cutting element not rotating about the wire or cable making a transverse cut
- H02G1/1256—Machines the cutting element not rotating about the wire or cable making a transverse cut using wire or cable-clamping means
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- Removal Of Insulation Or Armoring From Wires Or Cables (AREA)
Abstract
The invention discloses a stripping device and a stripping method for a special-shaped double-layer insulating sheath, which comprise a cutting device, a front extrusion container and a rear extrusion container which are coaxially arranged, wherein two ends of a through hole of the two extrusion containers are in a large end structure and a small end structure; the two small-diameter ends are oppositely arranged, and the diameters of the two small-diameter ends are smaller than the distance between the farthest two points on the cross section of the cable; the two extrusion cylinders are composed of at least two separated cylinder petals; a cutter of the cutting device is arranged in a gap between the front extrusion container and the rear extrusion container; the cutter is a guillotine structure consisting of at least two separated parts. The invention has the technical effects that: the problem that the outer insulating protective sleeve of the cable with a non-circular section and the same inner and outer insulating protective sleeve materials is difficult to cut in the prior art is solved; the method for stripping the outer insulating protective sleeve is used on the stripping device of the special-shaped double-layer insulating protective sleeve, so that the outer insulating protective sleeve can be stripped conveniently.
Description
Technical Field
The invention relates to a stripping device for an external insulation protective sleeve, in particular to a stripping device and a stripping method for a special-shaped double-layer insulation protective sleeve.
Background
In the end treatment of cables, an important operation is stripping the insulating sheath at the end of the cable. The stripping methods commonly used in the market at present are as follows: mechanical cold stripping, hot stripping and laser stripping.
Specifically, the method comprises the following steps: the mechanical cold stripping technology can only complete the shearing and stripping treatment of the circular coaxial cable, and can not ensure that the inner insulating sheath is not damaged when the outer insulating sheath of the twisted cable is stripped. The hot wire stripping tool is used for carrying out hot melting on the outer insulating sheath of the cable through the high-temperature cutter head to achieve the stripping effect, but cannot guarantee that the inner insulating sheath of the cable is not damaged. The laser wire stripping machine utilizes the thermal decomposition effect or the molecular chain damage effect of laser, selects different laser types to process the insulating sheath according to the material characteristics of different layers, but can not realize the nondestructive stripping of the outer insulating sheath on the premise of not damaging the inner insulating sheath for the cables with the same material of the inner insulating sheath and the outer insulating sheath.
However, for cables with non-circular cross-section and the same inner and outer insulating sheaths, the outer insulating sheath cannot be stripped using existing techniques. For example, in a twisted cable, a plurality of core wires wrapped by an inner insulating sheath are twisted into a twisted shape, and the inner insulating sheath and the outer insulating sheath are tightly combined, so that the inner insulating sheath is easily damaged by the existing stripping method. For example: the special product of the igniter lead wire takes fluoroplastic 46 as an insulation protective sleeve material of a cable, and consists of 4 core wires and an outer insulation protective sleeve which are wrapped by independent inner insulation protective sleeves, wherein the inner insulation protective sleeve and the outer insulation protective sleeve are made of the same material, and the appearance of the lead wire is twisted like a twist by the mutual twisting of the 4 core wires. As the core wires wrapped by the inner insulating sheath are twisted into a twisted shape, and the inner insulating sheath and the outer insulating sheath are made of the same material and are tightly combined, the outer insulating sheath can not be peeled off by adopting a conventional method. The prior art method for stripping the outer insulating sheath of the cable comprises the following steps: the end of the outer insulating sheath is firstly cut by scissors, and then the outer insulating sheath is slowly peeled along the small opening by hand until reaching the required size position. The method has the advantages of difficult operation, difficult quality control and long processing time.
Therefore, there is a need for a device capable of peeling off the outer insulating sheath of a cable having a non-circular cross section and made of the same material as the inner insulating sheath.
Disclosure of Invention
The invention aims to: aiming at the outer insulating protective sleeve of the cable with the non-circular cross section and the same inner and outer insulating protective sleeve materials in the prior art, the stripping device of the special-shaped double-layer insulating protective sleeve is convenient to cut, and meanwhile, the method for stripping the outer insulating protective sleeve of the cable by using the stripping device of the special-shaped double-layer insulating protective sleeve is provided, so that the outer insulating protective sleeve is stripped.
In order to achieve the above purpose, the invention provides the following technical scheme:
a stripping device for a special-shaped double-layer insulating sheath comprises a cutting device, extrusion containers, a front extrusion container and a rear extrusion container which are coaxially arranged, wherein two ends of a through hole of each extrusion container are of a large end structure and a small end structure; the two small-diameter ends are oppositely arranged, and the diameters of the two small-diameter ends are smaller than the distance between the farthest two points on the cross section of the cable; the two extrusion cylinders are composed of at least two separated cylinder petals; a cutter of the cutting device is arranged in a gap between the front extrusion container and the rear extrusion container; the cutter is a guillotine structure consisting of at least two separated parts. Because the appearance of the cable is not in a standard round shape, the diameter of two small diameters on the front extrusion container and the rear extrusion container is smaller than the distance between the farthest two points on the section of the cable, the front extrusion container and the rear extrusion container fully extrude the protective sleeve of the cable by utilizing the small ends, so that the part of the protective sleeve of the cable, which is positioned at the cutting device, is bulged into elastic deformation close to the round shape, the length of a cutting contact line is increased, and the part, which cannot be cut by a regular-shaped blade when the outer insulating protective sleeve is cut, is eliminated and reduced; the cutting device separates to enable the cable to smoothly enter the small-diameter sections of the front extrusion cylinder and the rear extrusion cylinder, when the cable enters, all parts of the front extrusion cylinder and the rear extrusion cylinder are separated, the cable is extruded and then is cut, the shape of the cutting part of the cutting device is not limited, the number of the parts of the cutting part of the cutting device is not limited, as long as a cut can be formed on the outer insulating protective sleeve of the cable and an internal core wire is not cut, and at the moment, the shape of the cut can be a regular ring or an irregular dot matrix cut; so that the subsequent bending movement, either mechanical or manual, can enlarge the incision and separate the cable external insulating protective sheath.
Furthermore, the extrusion container consists of an upper container flap and a lower container flap, the front upper container flap of the front extrusion container is connected with the first driving device, and the rear upper container flap of the rear extrusion container is connected with the second driving device; the rear lower barrel clack of the rear extrusion barrel and the front lower barrel clack of the front extrusion barrel are both fixed on the base; the cutter of the cutting device consists of an upper cutter and a lower cutter, the upper cutter and the lower cutter are driven by a third driving device to be synchronously opened and closed, and the plane where the upper cutter and the lower cutter are opened and closed is vertical to the movement direction of the cable. The front extrusion cylinder and the rear extrusion cylinder comprise two separated parts, and the automatic extrusion of the cable is completed under the driving of the driving device; the upper cutter and the lower cutter complete cutting of the cable outer insulation protective sleeve under the driving of the third driving device, and the cutting device is made to cut into the protective sleeve in the same depth vertically.
Further, go up the cutter and form the circular that the radius is A with lower cutter closed back cutting edge, the radius of extrusion device's aperture end is B, and the thickness of cable outer insulation protective sheath is C, and the relation of three is: B-A ═ C/3. After the upper cutter and the lower cutter are closed, the outer insulating protective sleeve is cut to a sufficient depth without damaging the inner core wire, the outer insulating protective sleeve can be conveniently stripped in the subsequent process, the inner diameter of the closed outer insulating protective sleeve of the cable can be adjusted according to the thickness of the outer insulating protective sleeve, and a cutting device is preferably selected to cut into one third of the thickness of the outer insulating protective sleeve; the knife edge part is circular after being closed, and the external insulation protective sleeve is convenient to uniformly cut in the circumferential direction.
The wire feeding device comprises a front extrusion barrel, a rear extrusion barrel and a pair of wire feeding wheels, wherein the front extrusion barrel is provided with a front extrusion opening, the front extrusion opening is provided with a front extrusion opening, the. The wire feeding wheel finishes the wire feeding motion and pushes the cable to advance; so that the cable can automatically enter the subsequent device.
Furthermore, the wire feeding device also comprises a second wire feeding device with at least one pair of second wire feeding wheels and a guide cylinder with a through hole in the middle; the positions of each pair of second wire feeding wheels are fixed; the cable penetrates out of the rear extrusion cylinder and then sequentially passes through the guide cylinder, the second wire feeding device and the broken line device; the line folding device comprises a roller plate and at least two rollers, wherein the rollers are fixed on the roller plate in an up-down arrangement manner, and gaps for cables to pass through are formed between the rollers which are distributed up and down; the roller plate is driven to lift by a fourth driving device. The wire feeding wheel finishes the wire feeding motion and pushes the cable to advance; meanwhile, the second wire feeding device can also protect the cable, and due to the existence of the second wire feeding device, the outer surface of the cable is not contacted with the end part of the guide cylinder when the wire folding device carries out wire folding movement, so that the outer surface of the cable is prevented from damaging the outer insulating protective sleeve of the cable due to the cutting action of the end part of the guide cylinder; the guide cylinder plays a role in transition support and guide of the cable, and meanwhile, enough space is reserved for arrangement of the front and rear specific devices, so that smooth proceeding of the overall structure of the special-shaped double-layer insulation sheath stripping device is facilitated. The cable head passes through broken line device middle part clearance, and the position that the cable was cut by cutting device does not pass through broken line device, and cuts the position and be close to broken line device, and the motion of perpendicular to cable advancing direction is carried out to broken line device under fourth drive arrangement's drive, increases the degree of depth of cable incision department or makes cable incision both ends separate completely.
Furthermore, the device also comprises a fixed occlusion head with a fixed position and a stripping occlusion head which moves along the axial direction of the fixed occlusion head; the fixed occlusion head is internally provided with a through hole and comprises an upper fixed occlusion head and a lower fixed occlusion head with a fixed position, and the upper fixed occlusion head is connected with a fifth driving device; the stripping occlusion head comprises an upper stripping occlusion head and a lower stripping occlusion head, the upper stripping occlusion head is connected with the sixth driving device, and the whole stripping occlusion head is fixedly connected with the seventh driving device; the interior of the stripping occlusion head is also provided with a through hole. Specifically, the cable incision is located between the fixed occlusion head and the stripping occlusion head, the fixed occlusion head fixes the cable, the stripping occlusion head moves towards the direction far away from the fixed occlusion head after occluding the cable, and the cable outer insulation protective sleeve is stripped.
Furthermore, the inner surface of the through hole of the fixed occlusion head is a frosted surface, and the inner surface of the through hole of the stripping occlusion head is provided with dot matrix type inner teeth. The frosted surface prevents the cable from sliding in the fixed occlusion head when the cable is pulled out by stripping the occlusion head; the dot matrix internal tooth conveniently peels off the interlock head and presss from both sides cable outer insulation protective sheath, makes things convenient for simultaneously peeling off of outer insulation protective sheath.
Further, the length of the fixed engaging head is more than six times of the length of the stripping engaging head. The length of the fixed occlusion head is at least six times of that of the stripping occlusion head, so that the cable is prevented from slipping in the fixed occlusion head when the stripping occlusion head pulls the cable external insulation protective sleeve.
According to another aspect of the invention, a method for stripping an outer insulating protective sleeve of a cable is provided, which is implemented based on the stripping device of the special-shaped double-layer insulating protective sleeve; the cable is extruded by the two extrusion barrels, so that the part to be cut of the outer insulation protective sleeve between the two extrusion barrels is bulged, and a cut is formed in the outer insulation protective sleeve by the guillotine type cutting device. According to the method, the operations of extruding, cutting, bending, stripping the protective sleeve and the like are sequentially carried out on the cable, the parameters of the whole device are set, and the operations are sequentially carried out according to the set sequence, so that the stripping of the outer insulating protective sleeve of the cable is facilitated.
Further, after the outer insulating protective sheath is cut, it is also peeled off by bending and pulling. After the cable is extruded, the operations of cutting, bending, stripping the protective sleeve and the like are sequentially carried out, and parameters such as bending times, loose wire positions and the like can be adjusted during specific use, so that the stripping of the cable outer insulation protective sleeve is facilitated.
Compared with the prior art, the invention has the beneficial effects that: the extrusion device enables the cut part of the cable with the non-circular section to be extruded into a circular section, thereby simplifying the cutting movement, being capable of quickly cutting the cable outer insulation protective sleeve without damaging the inner core wire, and being beneficial to the subsequent manual or mechanical removal of the cable outer insulation protective sleeve; the cable can be bent, the notch of the cable is enlarged, and the second wire feeding wheel simultaneously protects the safety of the outer insulating protective sleeve of the cable; the fixed meshing head and the stripping meshing head can fix two ends of the notch and draw the cable outer insulation protective sleeve.
Description of the drawings:
the accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural view of the stripping device of the profiled double-layer insulating sheath of the invention. (FIG. 1 is one provided in the embodiment of the present invention)
Fig. 2 shows a detail label diagram of fig. 1.
Fig. 3 shows a schematic view of the construction of any of the containers of the extrusion apparatus of fig. 1.
Fig. 4 shows a schematic view of the upper and lower cutters of fig. 1.
FIG. 5 shows a side view of the peel-and-bite head of FIG. 1.
Fig. 6 shows a side view of the cable of fig. 1.
Wherein the figures include the following reference numerals:
1. a cutting device; 11. an upper cutter; 12. an upper cutter; 13. a third driving device;
21. a front extrusion cylinder; 211. a front upper barrel valve; 212. a front lower cylindrical valve; 213. a first driving device;
22. a rear extrusion cylinder; 221. the cylindrical valve is arranged on the back; 222. a rear lower cylindrical valve; 223. a second driving device; 224. a tapered bore section; 225. a circular bore section;
3. a base;
4. a fold line device; 41. a roller plate; 42. a roller; 43. a fourth drive device;
5. fixing the engaging head; 51. an upper fixed engaging head; 52. a lower fixed engaging head; 53. a fifth driving device;
6. stripping the engaging head; 61. stripping the occlusion head; 62. a lower peel-off bite head; 63. a sixth driving device;
7. a first wire feeding device;
8. a second wire feeding device;
9. a guide cylinder;
10. an electrical cable.
Detailed Description
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
A stripping device for a special-shaped double-layer insulating sheath comprises a cutting device 1, a front extrusion container 21 and a rear extrusion container 22 which are coaxially arranged, wherein two ends of a through hole of each extrusion container are of a large end structure and a small end structure; the two small-diameter ends are oppositely arranged, and the diameters of the two small-diameter ends are smaller than the distance between the farthest two points on the cross section of the cable 10; the two extrusion cylinders are composed of at least two separated cylinder petals; the cutting knife of the cutting device 1 is arranged in the gap between the front extrusion container 21 and the rear extrusion container 22; the cutter is a guillotine structure consisting of at least two separated parts.
Specifically, the irregular shape in the present invention refers to a product to be peeled whose cross section is an irregular prototype.
As shown in fig. 1 and 2, in the peeling apparatus for the special-shaped double-layer insulating sheath, a second wire feeding device 7, a front extrusion cylinder 21, a cutting device 1, a rear extrusion cylinder 22, a guide cylinder 9, a second wire feeding device 8, a folding line device 4, a fixed engaging head 5 and a peeling engaging head 6 are sequentially arranged, and the cable 10 sequentially passes through each component according to the arrangement sequence, and processes such as extrusion of the cable 10, cutting of the sheath, folding line, peeling of the sheath and the like are sequentially performed.
The specific working mode of the stripping device for the special-shaped double-layer insulating sheath is as follows:
step a: extruding the cable 10: the front upper barrel flap 211 of the front extrusion barrel 21 is lifted under the drive of the first driving device 213, the rear upper barrel flap 221 of the rear extrusion barrel 22 is also lifted under the drive of the second driving device 223, and the upper cutter 11 and the lower cutter 12 are separated under the drive of the third driving device 13; the wire feeding wheel of the first wire feeding device 213 feeds the cable into the front extrusion cylinder 21 and the rear extrusion cylinder 22, the first driving device 213 drives the front upper barrel clack 211 to descend to be buckled with the front lower barrel clack 212 and extrude the cable 10, and the second driving device 223 drives the rear upper barrel clack 221 to descend to be buckled with the rear lower barrel clack 222 and extrude the cable 10.
Step b: ring-cutting the cable external insulation protective sleeve: the upper cutter 11 and the lower cutter 12 are closed from the gap between the two extrusion devices under the driving of the third driving device 13, a wound is cut on the periphery of the cable outer insulation protective sleeve, and the depth of the wound is determined by the radius of a closed circular blade formed after the upper cutter 11 and the lower cutter 12 are closed.
Step c: releasing the extrusion state: after the cable 10 is completely cut circularly, the upper cutter 11 and the lower cutter 12 are separated by the third driving device 13, the first driving device 213 drives the front upper cylindrical flap 211 to ascend, and the second driving device 223 drives the rear upper cylindrical flap 221 to ascend. So that the cable 10 returns to the free state.
Step d: bending the cable 10: the first wire feeding device 7 continues to push the cable 10 to move forwards and sequentially passes through the guide cylinder 9, the second wire feeding device 8 and the line folding device 4; when the head of the cable 10 passes through the line folding device 4 and the wound of the cable 10 is positioned in the middle of the second line feeding device 8 and the line folding device 4, the first line feeding device 7 and the second line feeding device 8 stop feeding lines; the folding line means 4 is moved up and down once in a direction perpendicular to the cable 10 by the fourth driving means 43 and then returns to the initial position. Increasing the depth of the cut in the cable 10. The specific movement times of the folding line device 4 can be adjusted according to the specific value of the increase of the wound depth of the cable 10.
Step e: the bite cable 10: before the movement is carried out, the fifth driving device 53 drives the upper fixed engaging head 51 to move upwards, and the sixth driving device 63 drives the upper stripping engaging head 61 to move upwards; the first wire feeding device 213 and the second wire feeding device 223 resume the wire feeding action to drive the cable 10 to enter the lower half of the fixed occlusion head 5 and the stripping occlusion head 6, namely the lower fixed occlusion head 52 and the lower stripping occlusion head 62, and at the moment, the wound of the cable 10 is positioned between the fixed occlusion head 5 and the stripping occlusion head 6; the fifth driving device 53 drives the upper fixed engaging head 51 to move towards the lower fixed engaging head 52, and the sixth driving device 63 drives the upper stripping engaging head 61 to move towards the lower stripping engaging head 62, so as to engage the cable 10.
Step f: stripping a cable protective sleeve: the seventh driving device drives the whole stripping occlusion head 6 to move towards the direction far away from the fixed occlusion head 5 so as to draw the outer protective sleeve of the cable 10.
Step g: the fifth driving device 53 drives the upper fixed engaging head 51 to move upwards, the sixth driving device 63 drives the upper stripping engaging head 61 to move upwards, the cable 10 for stripping the outer insulating protective sleeve is released, and the whole action of stripping the outer insulating protective sleeve of the cable is completed. And then the stripping and engaging head 6 is driven by a seventh driving device to return to the original position.
Preferably, the inner bores of the front container 21 and the rear container 22 are each composed of a tapered bore section 224 and a round bore section 225. Fig. 3 is a schematic diagram of any one of the front upper lobe 211, the front lower lobe 212, the rear upper lobe 221 and the rear lower lobe 222 in the present embodiment, the through holes of the front container 21 and the rear container 22 include a conical hole section 224 and a circular hole section 225, and the circular hole section 225 extends outward from the small end of the conical hole section 224; the radial position of the cable 10 is fixed by the circular hole section 225, so that subsequent cutting is facilitated, and meanwhile, the radial position of the cable is in surface contact with a cable protective sleeve, so that the cable outer insulating protective sleeve is protected; the tapered bore section 224 assists in the placement and compression of the cable 10 so that the cable 10 does not slip out of the circular bore section 225 causing the cable 10 to skew when compressed.
Fig. 6 is a schematic view of the cable 10 in this embodiment. In the present embodiment, as shown in fig. 6, when the distance D where the cross section of the cable 10 is farthest is 3.2 mm: the major diameter of the taper hole section 224 is 3.5mm, and the minor diameter of the taper hole section 224 is the same as the diameter of the round hole section 225, which are both 3.1 mm; the inner diameters of the fixed occlusion head 5 and the stripping occlusion head 6 are both 3.1 mm; as shown in fig. 5, the surface of the inner hole of the peeling and meshing head 6 is provided with lattice type inner teeth, the depth of the inner teeth is 0.1mm, the space between teeth is 0.09mm, and the particle size of the teeth is 0.1 X0.1mm; the length of the fixed occlusion head 5 is 6cm and the length of the peel occlusion head 6 can be 1 cm. The dimensions of all of the above components are adjusted accordingly as the dimensions of the cable 10 change.
Preferably, the distance between the two small diameter ends of the front container 21 and the rear container 22 is 1mm, and the thickness of the upper cutter 11 and the lower cutter 12 is 0.5 mm. The cutter cannot be too thick, and the cable section cut by the cutter is not extruded by the extruding device 2, so the distance between the two small-diameter ends of the front extruding cylinder 21 and the rear extruding cylinder 22 cannot be too large, and the cable 10 is prevented from being deformed insufficiently by the cut section to influence the cutting effect of the cutting device 1.
Preferably, the front container 21 and the rear container 22 are arranged coaxially in the direction of the through-hole.
Preferably, the front upper petals 212 are coupled to the first drive mechanism 213 and the rear upper petals 221 are coupled to the second drive mechanism 224. In particular, the front upper petal 212 and the rear upper petal 221 can be connected to the same drive device.
Preferably, the upper cutter 11 and the lower cutter 12 of the cutting device 1 are both connected to a third driving device 13. In particular, the upper knife 11 and the lower knife 12 of the cutting device may be connected to different drive means.
Preferably, the upper and lower blades 11, 12 of the cutting device 1 cut a cut in the outer insulating sheath of the cable, preferably to a depth of 1/3 the thickness of the outer insulating sheath. After the cutting device 1 cuts the wound, in this embodiment, the outer insulating protective sleeve at the wound is disconnected through the folding line device 4; alternatively, after the cutting device 1 cuts the wound, at least one end of the wound of the outer insulating protective sleeve can be manually bent up and down, and the outer insulating protective sleeve can be also disconnected. The cutting depth of the wound can be adjusted according to the stripping difficulty of the cable external insulation protective sleeves of different models in specific use.
As shown in fig. 4, the upper cutter 11 and the lower cutter 12 are preferably arranged oppositely, and the middle parts of the cutters are semicircular blades. When in specific application, the cutting device 1 can be composed of more than two cutters; the closed blade does not adopt a closed circle, and the blade can be in an irregular tooth-shaped structure or other types, but the blade is ensured not to cut the wires in the cable outer insulation protective sleeve.
Preferably, the rollers 42 of the creasing device 4 are in a pair. In a specific application, the rollers 42 may be provided in multiple pairs, and are uniformly arranged on the roller plate 41 in two rows.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The stripping device for the special-shaped double-layer insulating sheath comprises a cutting device (1), and is characterized by further comprising a front extrusion container (21) and a rear extrusion container (22) which are coaxially arranged, wherein two ends of a through hole of each extrusion container are of a large end structure and a small end structure; the two small-diameter ends are oppositely arranged, and the diameters of the two small-diameter ends are smaller than the distance between the farthest two points on the cross section of the cable (10); the two extrusion cylinders are composed of at least two separated cylinder petals;
the cutting knife of the cutting device (1) is arranged in a gap between the front extrusion cylinder (21) and the rear extrusion cylinder (22); the cutter is a guillotine structure consisting of at least two separated parts.
2. The stripping device for the special-shaped double-layer insulating sheath according to claim 1, characterized in that the extrusion cylinder is composed of an upper cylinder lobe and a lower cylinder lobe, the front upper cylinder lobe (211) of the front extrusion cylinder (21) is connected with a first driving device (213), and the rear upper cylinder lobe (221) of the rear extrusion cylinder (22) is connected with a second driving device (223); the rear lower barrel valve (222) of the rear extrusion barrel (22) and the front lower barrel valve (212) of the front extrusion barrel (21) are fixed on the base (3);
the cutting knife of the cutting device (1) is composed of an upper cutting knife (11) and a lower cutting knife (12), the upper cutting knife (11) and the lower cutting knife (12) are driven by a third driving device (13) to be opened and closed synchronously, and the plane where the opening and closing movement of the upper cutting knife (11) and the lower cutting knife (12) is located is perpendicular to the movement direction of the cable (10).
3. The special-shaped double-layer insulation sheath stripping device as claimed in claim 2, wherein the blade parts of the upper cutter (11) and the lower cutter (12) after being closed form a circle with a radius A, the radius of the small hole end of the extrusion device (2) is B, the thickness of the outer insulation sheath of the cable (10) is C, and the relationship between the three is as follows: B-A ═ C/3.
4. The special-shaped double-layer insulation sheath stripping device as claimed in claim 1, further comprising first wire feeding devices (7) with at least one pair of first wire feeding wheels, wherein the position of each pair of first wire feeding wheels is fixed, and the cable (10) enters the front extrusion cylinder (21) under the conveying of the first wire feeding devices (7).
5. The special-shaped double-layer insulation sheath stripping device as claimed in claim 1, further comprising a second wire feeding device (8) with at least one pair of second wire feeding wheels, and a guide cylinder (9) with a through hole in the middle; the positions of each pair of second wire feeding wheels are fixed; the cable (10) penetrates out of the rear extrusion cylinder (22) and then sequentially passes through the guide cylinder (9), the second wire feeding device (8) and the broken line device (4); the folding line device (4) comprises a roller plate (41) and at least two rollers (42), the rollers (42) are fixed on the roller plate (41) in an up-down arrangement mode, and gaps for the cables (10) to pass through are formed between the rollers (42) distributed up and down; the roller plate (42) is driven to lift by a fourth driving device (43).
6. The stripping device for the profiled double-layer insulating sheath according to claim 1, further comprising a fixed engaging head (5) fixed in position, a stripping engaging head (6) axially moving along the fixed engaging head (5);
the fixed occlusion head (5) is internally provided with a through hole, the fixed occlusion head (5) comprises an upper fixed occlusion head (51) and a lower fixed occlusion head (52) with a fixed position, and the upper fixed occlusion head (51) is connected with a fifth driving device (53);
the stripping occlusion head (6) comprises an upper stripping occlusion head (61) and a lower stripping occlusion head (62), the upper stripping occlusion head (61) is connected with a sixth driving device (63), and the whole stripping occlusion head (6) is fixedly connected with a seventh driving device; the interior of the stripping and meshing head (6) is also provided with a through hole.
7. The special-shaped double-layer insulation sheath stripping device as claimed in claim 6, wherein the inner surface of the through hole of the fixed engaging head (5) is a frosted surface, and the inner surface of the through hole of the stripping engaging head (6) is provided with dot matrix type internal teeth.
8. The profiled double insulation jacket stripping device according to claim 6, characterized in that the length of the fixed bite (5) is more than six times the length of the stripping bite (6).
9. A method for stripping a profiled double-layer insulating sheath, characterized in that the method is carried out on the basis of the device of any one of claims 1 to 8; the cable is extruded by the two extrusion barrels, so that the part to be cut of the outer insulation protective sleeve between the two extrusion barrels is bulged, and a cut is formed in the outer insulation protective sleeve by the guillotine type cutting device (1).
10. The peeling method as claimed in claim 9, wherein after the outer insulating protective sheath is cut, it is further peeled by bending and pulling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910975568.8A CN110676772B (en) | 2019-10-15 | 2019-10-15 | Peeling device and method for special-shaped double-layer insulating sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910975568.8A CN110676772B (en) | 2019-10-15 | 2019-10-15 | Peeling device and method for special-shaped double-layer insulating sheath |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110676772A true CN110676772A (en) | 2020-01-10 |
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| CN112164955A (en) * | 2020-09-27 | 2021-01-01 | 江苏浦漕科技股份有限公司 | Communication cable crimping equipment for rail transit and crimping process |
| CN113471885A (en) * | 2021-05-19 | 2021-10-01 | 耿彬 | Multidirectional fixed thick and long cable splitting device with self-propelled cutting at two sides |
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| CN110676772B (en) | 2021-05-14 |
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