CN114460701B - Dysmorphism sheath processingequipment - Google Patents
Dysmorphism sheath processingequipment Download PDFInfo
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- CN114460701B CN114460701B CN202210031146.7A CN202210031146A CN114460701B CN 114460701 B CN114460701 B CN 114460701B CN 202210031146 A CN202210031146 A CN 202210031146A CN 114460701 B CN114460701 B CN 114460701B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4486—Protective covering
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention belongs to the field of cable processing equipment, and particularly relates to a special-shaped sheath processing device. It comprises the following steps: the device is characterized in that a forming end, a special-shaped cutting structure and a wire inlet end which are connected with each other are sequentially arranged from front to back, and a front channel, a processing channel and a rear channel are sequentially arranged in the forming end, the special-shaped cutting structure and the wire inlet end; the axial leads of the front channel, the processing channel and the rear channel are coincident; a heat cutting structure is arranged in the special-shaped cutting structure; the hot cutting structure consists of a plurality of special-shaped pieces, and each special-shaped piece is fixedly connected with the inner wall of the processing channel through a plurality of cutting pieces; the cutting piece is a heating piece or a metal piece with the heating piece inside, and the cutting piece cuts and melts the cable sheath and then performs shape processing by the special-shaped piece. The processing device can be effectively used for secondary processing of the complex structure inside the sheath; can deal with different processing demands, realize high accuracy, efficient processing, compare in traditional processing mode, all have apparent promotion in quality and efficiency.
Description
Technical Field
The invention belongs to the field of cable processing equipment, and particularly relates to a special-shaped sheath processing device.
Background
The optical cable and the cable are common communication and energy supply cables, more and more cables can be adjusted and customized according to actual use requirements along with the development of cable technology, such as mining cables, disaster relief and rescue cables and the like, and have the advantages of strong impact resistance, sea cables, strong waterproof performance, strong static pressure resistance, overhead cables and the like, light weight, torsion resistance and the like.
With respect to the ever more and more complex requirements, the applicability of the conventional layer-twisted optical cable reinforced with rigid materials gradually decreases, and thus, the structure of the optical cable is being researched and improved by ever more researchers. If the applicant researches and develops the structure of the optical cable in an all-around and multi-angle way, the structure of the optical cable is adjusted according to different use environments and use scenes, the suitability of the optical cable for specific scenes and specific requirements is greatly improved, the processing difficulty of the optical cable is greatly improved, the efficiency is obviously reduced, and the quality controllability of the optical cable is weakened.
This problem arises in part because of the complexity and functionalization of the cable jacket structure, such as the provision of a specially shaped hollow cavity in the middle of the jacket, which is typically located axially of the cable and can be tens or even hundreds of meters, thousands of meters in length, so that a simple cutting process is not practical. The existing processing mode is generally carried out by adopting a method of combining multiple extrusion molding with cutting and lost foam, the process flow is complicated, and the dimensional tolerance of the sheath structure is relatively large.
Therefore, how to improve the processing of complex cable jackets is a problem to be solved.
Disclosure of Invention
The invention provides a special-shaped sheath processing device, which aims to solve the problems that the existing optical cable meeting specific requirements is large in sheath processing difficulty and low in efficiency, and the dimensional tolerance after processing is large, and the existing equipment cannot directly and effectively realize special-shaped sheath processing.
The invention aims at:
1. the processing efficiency of the special-shaped cable sheath is improved;
2. the dimensional accuracy of the special-shaped sheath processing is improved;
3. the special-shaped sheath processing requirements of different structures can be met.
In order to achieve the above purpose, the present invention adopts the following technical scheme.
A profiled jacket processing apparatus comprising:
the device is characterized in that a forming end, a special-shaped cutting structure and a wire inlet end which are connected with each other are sequentially arranged from front to back, and a front channel, a processing channel and a rear channel are sequentially arranged in the forming end, the special-shaped cutting structure and the wire inlet end;
the axial leads of the front channel, the processing channel and the rear channel are coincident;
a heat cutting structure is arranged in the special-shaped cutting structure;
the hot cutting structure consists of a plurality of special-shaped pieces, and each special-shaped piece is fixedly connected with the inner wall of the processing channel through a plurality of cutting pieces;
the cutting piece is a heating piece or a metal piece with the heating piece inside, and the cutting piece cuts and melts the cable sheath and then performs shape processing by the special-shaped piece.
As a preferred alternative to this,
the cutting piece is a temperature-control soldering iron or a temperature-control resistance wire.
As a preferred alternative to this,
the temperature-control soldering iron or the temperature-control resistance wire is externally powered.
As a preferred alternative to this,
the special-shaped cutting structure is divided into a first cylinder body, a middle lantern ring and a second cylinder body, the first cylinder body, the middle lantern ring and the second cylinder body are sequentially connected to form a cylindrical special-shaped cutting structure, and the hot cutting structure is fixedly connected to the inner wall of the middle lantern ring.
As a preferred alternative to this,
the special-shaped piece is sequentially provided with a shaping area, a shrinkage area and a cutting area from front to back, and the heating piece extends into the cutting area of the special-shaped piece.
As a preferred alternative to this,
thermal diodes are arranged in the shrinkage area and the shaping area of the special-shaped piece.
As a preferred alternative to this,
the thermal diode is provided with a cold end and a hot end, the hot end is arranged in the contraction area of the special-shaped piece, and the cold end is arranged in the shaping area of the special-shaped piece.
The beneficial effects of the invention are as follows:
1) The processing device can be effectively used for secondary processing of the complex structure inside the sheath;
2) Can deal with different processing demands, realize high accuracy, efficient processing, compare in traditional processing mode, all have apparent promotion in quality and efficiency.
Description of the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the thermal cutting structure of the present invention;
FIG. 3 is a schematic illustration of an arrangement of a thermal cutting structure;
FIG. 4 is a schematic view of a jacket structure formed by the thermal cutting structure of FIG. 3;
FIG. 5 is a schematic view of the process of the apparatus of the present invention;
FIG. 6 is a schematic view of another special-shaped sheath cable;
FIG. 7 is a schematic view of a prior art process for manufacturing the profiled jacket of FIG. 6;
in the figure: 01 optical cable, 011 sheath, 012 special-shaped sheath, 0121 inner half layer, 0122 characteristic structure, 0123 outer edge structure, 0124 shaping piece, 0125 outer half layer, 0126 connection gap, 013 special-shaped cavity, 100 shaping end, 101 front channel, 200 special-shaped cutting structure, 200a first cylinder, 200b middle sleeve ring, 200c second cylinder, 201 processing channel, 300 feeding end, 301 rear channel, 400 thermal cutting structure, 401 special-shaped piece, 401a cutting area, 401b shrinking area, 401c shaping area, 402 cutting piece, 4021 extension section, 403 thermal diode.
The specific embodiment is as follows:
the invention is described in further detail below with reference to specific examples and figures of the specification. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. In addition, the embodiments of the present invention referred to in the following description are typically only some, but not all, embodiments of the present invention. Therefore, all other embodiments, which can be made by one of ordinary skill in the art without undue burden, are intended to be within the scope of the present invention, based on the embodiments of the present invention.
In the description of the present invention, it should be understood that the terms "thickness," "upper," "lower," "horizontal," "top," "bottom," "inner," "outer," "circumferential," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present invention. In the description of the present invention, the meaning of "a plurality" means at least two, for example, two, three, etc., unless explicitly defined otherwise, the meaning of "a number" means one or more.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The raw materials used in the examples of the present invention are all commercially available or available to those skilled in the art unless specifically stated otherwise; the methods used in the examples of the present invention are those known to those skilled in the art unless specifically stated otherwise.
Examples
The invention discloses a special-shaped sheath processing device shown in fig. 1, which is used for secondary processing of a preformed optical cable 01, wherein the preformed optical cable 01 is an optical cable product prepared by extrusion molding of a sheath 011 layer, but along with diversification of optical cable functionality and reinforcement of various performances, secondary design and processing of the sheath 011 layer of the optical cable are required, and the conventional processing equipment cannot complete high-precision secondary processing, so that a special processing head is required to be designed, and the special-shaped sheath processing device specifically comprises:
the forming end 100, the special-shaped cutting structure 200 and the wire inlet end are sequentially provided with a front channel 101, a processing channel 201 and a rear channel 301;
according to the advancing direction of the preformed optical cable 01, the front end is a forming end 100, the middle part is a special-shaped cutting structure 200, the rear end is a feeding end 300, a front channel 101, a processing channel 201 and a rear channel 301 are respectively arranged in the front end 100, the middle part is a special-shaped cutting structure 300 and are communicated, and the axial leads of the front channel 101, the processing channel 201 and the rear channel 301 are overlapped;
the rear end of the feeding end 300 is assembled on a discharge nozzle of an extruding machine and connected with the extruding machine, a preformed optical cable 01 which is prepared by preliminary extrusion molding of a sheath 011 is fed into a special-shaped sheath processing device through a rear channel 301 of the wire inlet end, and a heat cutting structure 400 is arranged in the special-shaped cutting structure 200;
specifically, as shown in fig. 2;
the thermal cutting structure 400 is composed of a plurality of special-shaped pieces 401, and each special-shaped piece 401 is fixedly connected with the inner wall of the processing channel 201 through a plurality of cutting pieces 402;
the specific shape of the special-shaped piece 401 is determined according to the special-shaped processing requirement of the sheath 011, the special-shaped piece is sequentially provided with a shaping area 401c, a shrinkage area 401b and a cutting area 401a from front to back along the advancing direction of the preformed optical cable 01, the cutting piece 402 is a temperature-control soldering iron or a metal piece with a built-in temperature-control resistance wire and the like, and a rigid heating piece capable of realizing temperature-control heating through a heating structure is provided with a blade part on one side facing the rear end, so that the special-shaped piece 401 is fixed and the preformed optical cable 01 is preheated at the same time;
the temperature-control soldering iron or the temperature-control resistance wire is powered and heated by the outside;
when the cutting member 402 is a temperature-controlling soldering iron, the portion of the cutting member 402 extending into the shaped member 401 of the cutting area 401a is used as an extension section 4021, so as to achieve that the cutting area 401a of the shaped member 401 can have a certain amount of heat, while in this embodiment, the cutting member 402 is specifically an aluminum alloy metal member with a temperature-controlling resistance wire built in, and the temperature-controlling resistance wire portion extends into the shaped member 401 of the cutting area 401a to be used as an extension section 4021;
the shrinkage area 401b and the shaping area 401c of the special-shaped piece 401 are internally provided with a thermal diode 403 with the outer diameter less than or equal to 1mm, the thermal diode 403 is one of heat pipes, the heat pipe is a common heat conducting element and is commonly used for heat dissipation of chips of electronic equipment, and the like, the heat pipe has the characteristics of quick heat transfer and quick heat dissipation, the thermal diode 403 has the capability of stable unidirectional heat conduction, and has a cold end and a hot end, the hot end is an evaporation section and is arranged in the shrinkage area 401b of the special-shaped piece 401, the cold end is a condensation section and is arranged in the shaping area 401c of the special-shaped piece 401, and the distance between the end part of the hot end and a heating structure or a cutting piece 402 extending into the cutting area 401a is kept more than or equal to 2mm, namely the distance between the foremost end of an extension section 4021 and the cutting piece 402 is more than or equal to 2mm;
in the processing process, the sheath 011 layer of the preformed optical cable 01 is firstly rapidly heated and cut to a certain extent under the influence of the cutting member 402, so that local melting and obvious softening are realized, the specific melting and softening can be determined according to the material of the sheath 011 layer to be processed, the surface temperature of the cutting member 402 is higher than the melting point of the sheath 011 layer material by 5-20 ℃ through temperature control, if the sheath 011 layer is made of PP material, the melting point of the PP is 167 ℃, the surface temperature of the cutting member 402 can be controlled to 172-177 ℃ in the actual use process, because the electric iron and the temperature-control resistance wire can not realize temperature control accurate to the temperature in the actual use process, the actual set temperature is about 175 ℃, the jacket 011 layer of the preformed optical cable 01 contacts the cutting member 402 to generate melting and softening, and has certain fluidity, and along with the pushing of the preformed optical cable 01, the subsequent jacket 011 layer pushes the partially melted and partially softened jacket material to continuously advance to the cutting area 401a of the special-shaped member 401, the temperature of the cutting area 401a is slightly lower than that of the cutting member 402, the cutting area 401a mainly plays a role in keeping the melting and softening state of the jacket 011 layer, and the cutting area 401a forms a required specific shape on the radial section of the optical cable 01, for example, four arc-shaped cavities uniformly distributed in the circumferential direction are formed on the jacket 011 layer of the preformed optical cable 01, and the distribution mode of the thermal cutting structure 400 can be set as shown in fig. 3, so that the optical cable 01 with the jacket 011 structure shown in fig. 4 is obtained by cutting;
according to the technical scheme, the preformed optical cable 01 is pushed into the processing head and pushed out continuously, a special-shaped sheath die is not required to be processed, complex cutting and extrusion molding designs are not required to be carried out on the optical cable, the method is also applicable to secondary processing of a formed sheath 011 layer, wide use prospects and good use effects are achieved, in addition, in a specific use process, the dimensional tolerance of the processed special-shaped structure is less than or equal to 0.02 x designed standard size, mainly because of the arrangement of the thermal diode 403, cooling shrinkage can be formed in the middle of the cutting piece 402, then secondary small-amplitude heating is carried out, processing stress generated by rapid cold shrinkage of the sheath 011 can be eliminated, the internal stress deformation trend of the sheath 011 after the sheath 011 is separated from the thermal cutting structure 400 is eliminated, and ultra-high-precision special-shaped optical cable 01 sheath 011 cutting is achieved.
Further, the method comprises the steps of,
as shown in fig. 1 and fig. 2, the special-shaped cutting structure 200 is specifically divided into a first cylinder 200a, a middle collar 200b and a second cylinder 200c, which are sequentially connected by threads to form a cylindrical special-shaped cutting structure 200, and the thermal cutting structure 400 is fixedly connected to the inner wall of the middle collar 200 b;
through the improvement, the thermal cutting structure 400 can be more conveniently disassembled and washed and replaced, so that the thermal cutting structure is suitable for cutting optical cable jackets 011 with different special-shaped structures.
When the special-shaped piece 401 is specifically used, the shape of the special-shaped piece 401 can be adjusted, the structure of the special-shaped piece 401 is designed according to the jacket 011 groove structure required by the radial section of the required optical cable 01, the specific processing process is shown in fig. 5, the optical cable 01 enters the processing device from the right end, in the area1 of fig. 5, the optical cable 01 plays a role of generating extrusion driving on the molten optical cable 01 jacket 011 of the front end area2, in the area2 of the area, the jacket 011 of the optical cable 01 is firstly melted and cut, then is leveled and cooled and contracted, the processing stress is eliminated through low-temperature heating, finally, the optical cable jacket 011 with a single end is processed secondarily after the parameters such as the optical cable diameter are ensured through the cold processing of the area3, and various buffer grooves, compression grooves or filling groove structures can be formed in the jacket 011 according to the design and processing requirements;
the special-shaped sheath 012 provided with the special-shaped cavity 013 shown in fig. 6 can effectively realize quick processing of a single incoming line by designing the cutting shape of the special-shaped piece 401 according to the invention, if a traditional processing mode is adopted, as shown in fig. 7, the inner half-layer 0121 of the sheath is needed to be obtained by preliminary extrusion molding, part of the outer edge structure 0123 of the inner half-layer 0121 is removed by cutting processing, then a removable shaping piece 0124 or filler to be filled is arranged on the characteristic structure 0122 of the inner half-finished layer after cutting processing, the filling shape of the shaping piece 0124 or the filler needs to be the same as that of the special-shaped cavity 013, the shaping piece 0124 is prepared by taking the shaping piece 0124 as an example, the shaping piece 0124 is usually prepared by materials with common low cost, low melting point and easy recovery such as paraffin, the outer half-layer 0120 of the sheath is prepared by extrusion molding again, and the shaping piece 0124 is removed by melting or other modes, and finally the processing preparation of the special-shaped sheath 012 is realized, but a significant connection gap 0126 is easy to be left between the inner half-layer 0121 and the outer half-layer 0120, the sheath is easy to be reduced in size, the invention, the size of the device can be reduced by a size of the invention, but the tolerance can be greatly improved, but the dimensional tolerance can not be controlled by the tolerance can be increased by the invention, and the tolerance can be controlled by the tolerance of the invention 2, and the tolerance can be manufactured in the invention 2 and the tolerance can be greatly improved;
also, it has been tested that the machining accuracy is greatly affected if the shaping region 401c and/or the contraction region 401b are not provided. The machining dimensional tolerance can reach about 6-9%. If the hot and cold ends of the hot diode 403 are inverted, the machining stress of the sheath profiled cavity 013 is generated after machining, and the machining dimensional tolerance is increased.
Claims (5)
1. A special-shaped sheath processing device, comprising:
the device is characterized in that a forming end, a special-shaped cutting structure and a wire inlet end which are connected with each other are sequentially arranged from front to back, and a front channel, a processing channel and a rear channel are sequentially arranged in the forming end, the special-shaped cutting structure and the wire inlet end;
the axial leads of the front channel, the processing channel and the rear channel are coincident;
a heat cutting structure is arranged in the special-shaped cutting structure;
the hot cutting structure consists of a plurality of special-shaped pieces, and each special-shaped piece is fixedly connected with the inner wall of the processing channel through a plurality of cutting pieces;
the cutting piece is a heating piece or a metal piece with the heating piece inside, and the cutting piece cuts and melts the cable sheath and then performs shape processing by the special-shaped piece;
the special-shaped cutting structure is divided into a first cylinder, a middle lantern ring and a second cylinder, which are sequentially connected to form a cylindrical special-shaped cutting structure, and the thermal cutting structure is fixedly connected to the inner wall of the middle lantern ring;
the special-shaped piece is sequentially provided with a shaping area, a shrinkage area and a cutting area from front to back, and the heating piece extends into the cutting area of the special-shaped piece.
2. A special-shaped sheath processing device according to claim 1, wherein,
the cutting piece is a temperature-control soldering iron or a temperature-control resistance wire.
3. A special-shaped sheath processing device according to claim 2, wherein,
the temperature-control soldering iron or the temperature-control resistance wire is externally powered.
4. A special-shaped sheath processing device according to claim 1, wherein,
thermal diodes are arranged in the shrinkage area and the shaping area of the special-shaped piece.
5. A special-shaped sheath processing device according to claim 4, wherein,
the thermal diode is provided with a cold end and a hot end, the hot end is arranged in the contraction area of the special-shaped piece, and the cold end is arranged in the shaping area of the special-shaped piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210031146.7A CN114460701B (en) | 2022-01-12 | 2022-01-12 | Dysmorphism sheath processingequipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210031146.7A CN114460701B (en) | 2022-01-12 | 2022-01-12 | Dysmorphism sheath processingequipment |
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| Publication Number | Publication Date |
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| CN114460701A CN114460701A (en) | 2022-05-10 |
| CN114460701B true CN114460701B (en) | 2023-05-09 |
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| CN202210031146.7A Active CN114460701B (en) | 2022-01-12 | 2022-01-12 | Dysmorphism sheath processingequipment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2310294A (en) * | 1996-02-13 | 1997-08-20 | Siemens Ag | Producing a reinforced optical cable by extrusion |
| JP2013246241A (en) * | 2012-05-24 | 2013-12-09 | Sumitomo Wiring Syst Ltd | Cable manufacturing device |
| CN204389752U (en) * | 2014-08-29 | 2015-06-10 | 无锡市宏达光电有限公司 | A kind of processing unit (plant) of reinforced outdoor butterfly optical cable |
| CN108072947A (en) * | 2017-12-29 | 2018-05-25 | 通鼎互联信息股份有限公司 | A kind of mold for making multifiber cable |
| CN112596180A (en) * | 2020-12-23 | 2021-04-02 | 江苏永鼎股份有限公司 | Production process and equipment for reinforcing piece continuous coating continuous extrusion butterfly cable and butterfly cable |
-
2022
- 2022-01-12 CN CN202210031146.7A patent/CN114460701B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2310294A (en) * | 1996-02-13 | 1997-08-20 | Siemens Ag | Producing a reinforced optical cable by extrusion |
| JP2013246241A (en) * | 2012-05-24 | 2013-12-09 | Sumitomo Wiring Syst Ltd | Cable manufacturing device |
| CN204389752U (en) * | 2014-08-29 | 2015-06-10 | 无锡市宏达光电有限公司 | A kind of processing unit (plant) of reinforced outdoor butterfly optical cable |
| CN108072947A (en) * | 2017-12-29 | 2018-05-25 | 通鼎互联信息股份有限公司 | A kind of mold for making multifiber cable |
| CN112596180A (en) * | 2020-12-23 | 2021-04-02 | 江苏永鼎股份有限公司 | Production process and equipment for reinforcing piece continuous coating continuous extrusion butterfly cable and butterfly cable |
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| CN114460701A (en) | 2022-05-10 |
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