CN114709029A - Follow-up doubling device for stranded conductor - Google Patents
Follow-up doubling device for stranded conductor Download PDFInfo
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- CN114709029A CN114709029A CN202210474561.XA CN202210474561A CN114709029A CN 114709029 A CN114709029 A CN 114709029A CN 202210474561 A CN202210474561 A CN 202210474561A CN 114709029 A CN114709029 A CN 114709029A
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- Prior art keywords
- hole
- sleeve
- doubling
- follow
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/02—Stranding-up
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/02—Stranding-up
- H01B13/0207—Details; Auxiliary devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/30—Reducing waste in manufacturing processes; Calculations of released waste quantities
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Processes Specially Adapted For Manufacturing Cables (AREA)
Abstract
The invention discloses a follow-up doubling device for a stranded conductor, which belongs to the technical field of cable manufacturing auxiliary devices and is characterized by comprising a sleeve, a flange plate and a doubling hole; the sleeve is provided with a central through hole; the flange is arranged at one end of the sleeve, the outer circumference of the flange is uniformly provided with a handle and a hole, and the center of the flange is provided with a center hole communicated with the center through hole of the sleeve; the wire-combining hole is arranged at the other end of the sleeve and is communicated with the central through hole of the sleeve. The device can be arranged on a twisting body of a wire twisting machine and rotates along with the twisting body. Meanwhile, the doubling hole of the device extends to the front end of the inlet of the doubling die, the doubling hole exerts maintaining force on the inner conductor, the effect of protecting and maintaining the stable structure of the inner conductor is achieved, the inner conductor is prevented from being loosened due to the fact that the inner conductor receives inward tight pressure of the doubling die, the stable structure and the deformation of the inner conductor in the twisting process are guaranteed, the integral roundness of the cable is guaranteed, and the manufacturing quality of the cable is improved.
Description
Technical Field
The invention belongs to the technical field of cable manufacturing auxiliary devices, and particularly relates to a follow-up doubling device for a stranded conductor.
Background
The wire cable, which is regarded as an industrially developed blood vessel and nervous system, plays a crucial role in various fields, and it is a conductor in the wire cable that plays a role of power transmission and signal transmission.
At present, a stranded flexible conductor with a multilayer structure is widely applied to a plurality of fields such as power cables, cables for new energy vehicles, cables for equipment and the like. The existing stranded wire equipment for manufacturing the cable conductor comprises a tube strand, a cage strand, a frame strand, a fork strand and the like, the equipment is selected according to the application characteristics of different cables, and the equipment is mainly comprehensively considered according to the characteristic requirements of the cables and mainly shows the factors in various aspects such as back twist, production efficiency, conductor rounding degree and the like.
The existing wire twisting equipment adopts a layered twisting mode, namely a plurality of strands of wires are twisted by taking the same center as a twisting center to form a twisting layer outside the center of a conductor, and the conductor is formed by adding pitches in the twisting process. The stranding equipment is divided into one section, two sections, three sections, four sections and the like according to the number of layers and the number of strands of a product, a plurality of strands are stranded through the stranding die to form the flexible conductor of the cable, in the stranding process, the final stranding die has inward tight pressure on the inner conductor, the tight pressure can lead the inner conductor to be loose, the structure of the conductor is damaged by deformation, the stability and the roundness of the cable are influenced, and the quality of the stranded conductor is difficult to guarantee.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the follow-up doubling device for the stranded conductor, which solves the problem that the quality of a cable is reduced because the inner conductor is easy to loosen in the stranding process of the conductor of the existing cable.
The invention is realized in this way, a stranded conductor is with the follow-up doubling device, characterized by, including bush, flange plate and doubling hole; the sleeve is provided with a central through hole; the flange plate is arranged at one end of the sleeve, the outer circumference of the flange plate is uniformly provided with a handle hole, and the center of the flange plate is provided with a center hole communicated with the center through hole of the sleeve; the wire merging hole is formed in the other end of the sleeve and communicated with the central through hole of the sleeve.
In the above technical solution, preferably, a shaping mold is installed at an end of the sleeve, and the doubling hole is provided in the shaping mold.
In the above technical solution, preferably, the shaping mold includes a mold body and a positioning insert, the mold body is of a cylindrical structure, the positioning insert is of a cylindrical structure that is inserted into the central through hole of the sleeve and is coaxial with the mold body, and the merging hole is a through hole that is arranged on the axis of the mold body and the positioning insert.
In the above technical solution, preferably, the sleeve is installed the end of the mold is provided with a threaded hole, the end of the sleeve is provided with a mold gland through a screw combined with the threaded hole, the mold gland is in a ring shape, and the mold is fixed between the mold gland and the end of the sleeve.
In the above technical solution, preferably, the sleeve is provided with a radial positioning through hole, the radial positioning through hole is arranged close to the shaping mold, a positioning pin is assembled in the radial positioning through hole, and a positioning through hole combined with the positioning pin is arranged on the circumferential surface of the insertion block.
In the above technical solution, preferably, the sleeve is provided with an observation window penetrating through a side wall of the sleeve.
In the above technical solution, preferably, the observation window is a quadrangular notch provided in the sidewall of the sleeve and extending in the length direction of the sleeve.
The invention has the advantages and effects that:
the invention provides a follow-up doubling device used in a conductor stranding process, which can be arranged on a stranding body of a stranding machine and rotates along with the stranding body. Simultaneously, the doubling hole of device extends to the front end of doubling mould entry, and the doubling hole exerts the holding power to the inner conductor, plays the effect of protection and maintenance inlayer stable in structure, avoids the inner conductor to receive the inward tight pressure of doubling mould and causes loosely, guarantees that the inner conductor is stable in structure at the in-process of transposition, indeformable to guarantee the holistic circularity of cable, improve the manufacturing quality of cable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the working state of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
The invention particularly provides a follow-up doubling device for a stranded conductor, which can eliminate the phenomenon that the cable conductor is loosened due to tight pressure in the doubling process, improve the structural stability of the cable conductor, improve the integral roundness of the cable and improve the quality of the cable, and solves the problem that the quality of the cable is reduced because the inner conductor is easy to loosen in the twisting process of the existing cable conductor. To further illustrate the structure of the present invention, the following detailed description is made with reference to the accompanying drawings:
referring to fig. 1 and 2, a follow-up doubling device for twisted conductors is characterized by comprising a sleeve 1, a flange 2 and a doubling hole 3.
The sleeve is provided with a central through hole. Specifically, the sleeve is a rigid cylinder, and the central through hole penetrates through the front end face and the rear end face of the sleeve. The diameter of the central through hole is required to be larger than the applicable inner layer conductor diameter.
The flange plate is arranged at one end of the sleeve, the outer circumference of the flange plate is evenly provided with a handle hole, and the center of the flange plate is provided with a center hole communicated with the center through hole of the sleeve. In this embodiment, specifically, the flange is an integral structure disposed at the end of the sleeve, and the central hole of the flange has the same diameter as the central through hole of the sleeve.
The wire-merging hole is formed in the other end of the sleeve and communicated with the central through hole of the sleeve. The diameter of the parallel wire hole is slightly larger than the diameter of the applicable inner layer conductor.
The flange plate of the device is arranged on a twisting body of a wire twisting machine through bolts, and the twisting body is generally a wire twisting roller. The axis of the sleeve and the wire stranding roller. The device rotates with the stranding roller. The doubling holes of the device extend close to the doubling dies 8. The device can be applied to the installation and the use of strander of different models. The sleeve can be designed to be telescopic, namely the sleeve comprises a front section of barrel and a rear section of barrel, the two sections of barrels are mutually inserted, and the insertion part is processed with a radial threaded hole and assembled with a locking screw in the radial threaded hole.
In this embodiment, the end of the sleeve is fitted with a shaping mold 4, and the doubling holes are provided in the shaping mold. Furthermore, the shaping mold comprises a mold body 4-1 and a positioning insertion block 4-2, the mold body is of a cylindrical structure, the positioning insertion block is of a cylindrical structure which is inserted into a central through hole of the sleeve and is coaxial with the mold body, and the parallel line hole is a through hole which is formed in the axis of the mold body and the positioning insertion block. The tip of sleeve installation mould is equipped with the screw hole, and telescopic tip has mould gland 5 through the screw installation with the screw hole combination, and the mould gland is the annular shape, and the mould is fixed in between mould gland and the telescopic tip. The sleeve is provided with a radial positioning through hole which is arranged close to the shaping die, a positioning pin 6 is assembled in the radial positioning through hole, and a positioning through hole combined with the positioning pin is arranged on the circumferential surface of the insertion block. The shaping mould is made of stainless steel, a tungsten steel core or a polycrystalline material mould core is embedded in the center of the shaping mould, and the doubling holes are formed in the tungsten steel core or the polycrystalline material mould core. The size of the shaping mould is smoother according to the requirements of cables of different specifications, and the applicability and flexibility of the device are guaranteed. The mould gland has the function of fixing the replaceable shaping mould, and the stable installation of the mould in the reproduction process is ensured.
The sleeve is provided with an observation window 1-1 which penetrates through the side wall of the sleeve. Further, the observation window is a quadrilateral notch which is arranged on the side wall of the sleeve and extends along the length direction of the sleeve. The observation window is convenient for observing the state of the inner conductor in the conductor twisting process.
Application example data table of the technical scheme
Because the device adopts a follow-up mode, the device is fixed on the twisting body to rotate synchronously, other power systems similar to a rotating die are reduced, and no additional power is added. The follow-up selection has the advantages that the inner conductor and the conductor rotate simultaneously, friction and relative position sliding are avoided, and secondary damage to the conductor is avoided by the shaping mold.
The flexible replacement of the shaping mould can ensure that the shaping mould with different apertures can be replaced for producing conductors with any specification, thereby ensuring the wide application of the invention.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A follow-up doubling device for stranded conductors, comprising:
the sleeve is provided with a central through hole;
the flange plate is arranged at one end of the sleeve, handle holes are uniformly distributed on the outer circumference of the flange plate, and a central hole communicated with the central through hole of the sleeve is formed in the central position of the flange plate;
and the wire merging hole is formed in the other end of the sleeve and communicated with the central through hole of the sleeve.
2. The follow-up doubling device for the stranded conductor according to claim 1, wherein a shaping mold is installed at an end of the sleeve, and a doubling hole is provided on the shaping mold.
3. The follow-up doubling device for the stranded conductor according to claim 2, wherein the shaping mold comprises a mold body and a positioning insert, the mold body is of a cylindrical structure, the positioning insert is of a cylindrical structure which is inserted into the central through hole of the sleeve and is coaxial with the mold body, and the doubling hole is a through hole which is arranged on the axis of the mold body and the positioning insert.
4. The follow-up doubling device for the stranded conductors according to claim 3, wherein a threaded hole is formed in the end of the sleeve where the die is mounted, a die pressing cover is mounted on the end of the sleeve through a screw combined with the threaded hole, the die pressing cover is in a circular ring shape, and the die is fixed between the die pressing cover and the end of the sleeve.
5. The follow-up doubling device for the stranded conductors according to claim 3, wherein the sleeve is provided with a radial positioning through hole, the radial positioning through hole is arranged close to the shaping mold, a positioning pin is assembled in the radial positioning through hole, and a positioning through hole combined with the positioning pin is arranged on the circumferential surface of the insertion block.
6. The follow-up doubling device for stranded conductors of claim 1, wherein the sleeve is provided with a viewing window through a sidewall of the sleeve.
7. The follow-up doubling device for twisted conductors according to claim 1, wherein the observation window is a quadrangular notch arranged on the side wall of the sleeve and extending along the length direction of the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210474561.XA CN114709029A (en) | 2022-04-29 | 2022-04-29 | Follow-up doubling device for stranded conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210474561.XA CN114709029A (en) | 2022-04-29 | 2022-04-29 | Follow-up doubling device for stranded conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114709029A true CN114709029A (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210474561.XA Pending CN114709029A (en) | 2022-04-29 | 2022-04-29 | Follow-up doubling device for stranded conductor |
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| CN (1) | CN114709029A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116092751A (en) * | 2023-02-23 | 2023-05-09 | 中天科技海缆股份有限公司 | Submarine cable longitudinal wrapping device, water-blocking tape longitudinal wrapping equipment and use method thereof |
-
2022
- 2022-04-29 CN CN202210474561.XA patent/CN114709029A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116092751A (en) * | 2023-02-23 | 2023-05-09 | 中天科技海缆股份有限公司 | Submarine cable longitudinal wrapping device, water-blocking tape longitudinal wrapping equipment and use method thereof |
| CN116092751B (en) * | 2023-02-23 | 2024-03-19 | 中天科技海缆股份有限公司 | Submarine cable longitudinal wrapping device, water-blocking tape longitudinal wrapping equipment and use method thereof |
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