CN111430083A - Insulated wire core stranding method - Google Patents
Insulated wire core stranding method Download PDFInfo
- Publication number
- CN111430083A CN111430083A CN202010256530.8A CN202010256530A CN111430083A CN 111430083 A CN111430083 A CN 111430083A CN 202010256530 A CN202010256530 A CN 202010256530A CN 111430083 A CN111430083 A CN 111430083A
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- insulated wire
- strength
- guide wheel
- twisted
- wire core
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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
- H01B13/0036—Details
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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
-
- 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
- H01B13/0235—Stranding-up by a twisting device situated between a pay-off device and a take-up device
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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
- H01B13/0285—Pretreatment
Abstract
The invention discloses an insulated wire core stranding method which comprises the steps that a high-strength insulated wire core firstly penetrates through a first wire distributing plate, is pretwisted through a pretwisting guide wheel mechanism set in an insulated wire core stranding device and then penetrates through a second wire distributing plate, a low-strength insulated wire core firstly penetrates through the first wire distributing plate and then penetrates through the second wire distributing plate, and the low-strength insulated wire core and the high-strength insulated wire core are rotatably stranded in a cabling mold. The method can pre-twist the high-strength insulated wire core so that the high-strength insulated wire core and the low-strength insulated wire core are twisted to be more round and have symmetrical and uniform twisting lines.
Description
The patent application is a divisional application with the application number of '201810944505.1', the application number of the original application is 201810944505.1, the application date is 2018, 08 and 19, and the invention is named as a pre-twisted guide wheel mechanism group, an insulated wire core stranding device and a method.
Technical Field
The invention is used in the field of cable manufacturing, and particularly relates to an insulated wire core stranding method.
Background
With the increasing special requirements of users, the application of composite cables with different functions is increasing, and the product in which the insulating cores with greatly different conductor strengths are combined in one cable is one of the products, for example, an aluminum alloy ABC cable, wherein one phase conductor structure is an aluminum alloy conductor, and other phase conductor structures are aluminum conductors, and the strength difference between the two is large.
Therefore, those skilled in the art are devoted to develop a pretwisting guide mechanism set, an insulated wire core twisting device and an insulated wire core twisting method, which can pretwist the high-strength insulated wire core so as to make the high-strength insulated wire core and the low-strength insulated wire core twisted more round and have symmetrical and uniform twisting lines.
Disclosure of Invention
In view of the above-mentioned defects in the prior art, the technical problem to be solved by the present invention is to provide a pre-twisting guide mechanism set, an insulated wire core twisting device and an insulated wire core twisting method, which can pre-twist a high-strength insulated wire core so as to make the high-strength insulated wire core and a low-strength insulated wire core twisted more round and have symmetrical and uniform twisting patterns.
In order to achieve the above object, the present invention provides a pre-twisted guide wheel mechanism set, which includes at least one pre-twisted guide wheel mechanism, wherein the pre-twisted guide wheel mechanism includes a guide wheel, a support assembly and an adjustable guide wheel bracket, the outer surface of the guide wheel has a first guide wire groove, the guide wheel is disposed on the support assembly, and the support assembly is vertically disposed on the adjustable guide wheel bracket.
Preferably, the adjustable idler wheel bracket is in the shape of a circular ring or a circular arc.
Preferably, the pre-twisted wheel mechanism set comprises two pre-twisted wheel mechanisms, and the two pre-twisted wheel mechanisms comprise a first pre-twisted wheel mechanism and a second pre-twisted wheel mechanism.
Preferably, a part or all of the support assemblies corresponding to the pre-twisted guide wheel mechanism are provided with a mounting hole, the guide wheel is arranged in the mounting hole, and the center of the guide wheel coincides with the center of the mounting hole.
The invention also provides an insulated wire core stranding device, which comprises: the device comprises a first distributing disc, a second distributing disc and a machine barrel, wherein the first distributing disc and the second distributing disc are arranged on the machine barrel; the pre-twisted guide wheel mechanism set comprises the pre-twisted guide wheel mechanism set, and is arranged on the surface of the machine barrel along the driving axis direction of the machine barrel and between the first wire distributing disc and the second wire distributing disc; the pre-twisting guide mechanism group is used for pre-twisting the high-strength insulated wire cores, and the high-strength insulated wire cores sequentially penetrate through the corresponding first branching plate, the pre-twisting guide mechanism group and the second branching plate; the low-strength insulation wire core sequentially penetrates through the corresponding first wire distributing disc and the second wire distributing disc, and the low-strength insulation wire core and the high-strength insulation wire core are rotatably stranded in the cabling die.
Preferably, the first wire distributing disc is provided with a wire distributing guide wheel, and the outer surface of the wire distributing guide wheel is provided with a second wire guide groove and is located in a first wire distributing hole of the first wire distributing disc.
Preferably, the high-strength insulated wire core and the low-strength insulated wire core correspond to a branching guide wheel respectively and are located on the opposite side of the branching guide wheel corresponding to the direction of the machine barrel.
Preferably, the higher the relative strength of the high-strength insulated wire core is, the shorter the pitch of the pre-twist is, and vice versa.
The invention also provides an insulated wire core stranding method, which comprises the following steps:
1) the high-strength insulated wire core firstly passes through the first wire distributing plate, is pre-twisted through the pre-twisting guide wheel mechanism group and then passes through the second wire distributing plate;
2) the low-strength insulated wire core firstly passes through the first distributing board and then passes through the second distributing board;
3) and the low-strength insulated wire core and the high-strength insulated wire core are rotatably stranded in a cabling mould.
Preferably, the pre-twisted wheel mechanism set includes a plurality of pre-twisted wheel mechanisms, and in step 1), the specific steps include:
when the high-strength insulated wire core penetrates through the first wire distributing disc and the pre-twisted guide wheel mechanism set, the pre-twisted guide wheel mechanism set alternately penetrates through the pre-twisted guide wheel mechanism in an up-and-down alternate mode and finally penetrates through the second wire distributing disc.
The invention has the beneficial effects that: the pre-twisting guide wheel mechanism set can pre-twist the high-strength insulated wire cores so that the high-strength insulated wire cores and the low-strength insulated wire cores are more round and symmetrical and uniform in twisting lines when twisted, control of the pre-twisting pitch of the high-strength insulated wire cores is achieved, the pre-twisting guide wheel mechanism can be conveniently assembled and disassembled, meanwhile, the pre-twisting guide wheel mechanism set is suitable for pre-twisting of a plurality of different high-strength insulated wire cores, the plurality of pre-twisting guide wheel mechanism sets are arranged to achieve round twisting of the plurality of insulated wire cores, and quality and qualified rate of cables are improved.
Drawings
Fig. 1 is a schematic structural diagram of an insulated wire core stranding apparatus according to an embodiment of the present invention.
FIG. 2 is a schematic structural view of a pretwisted wheel mechanism in accordance with an embodiment of the present invention.
FIG. 3 is a left side view of a pre-twisted wheel mechanism according to an embodiment of the present invention.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1, the embodiment of the invention discloses a pre-twisted guide wheel mechanism set, which comprises at least one pre-twisted guide wheel mechanism, wherein the pre-twisted guide wheel mechanism comprises a guide wheel 1, a support assembly 2 and an adjustable guide wheel bracket 3, the outer surface of the guide wheel 1 is provided with a first guide wire groove 1a, the guide wheel 1 is arranged on the support assembly 2, and the support assembly 2 is vertically arranged on the adjustable guide wheel bracket 3. When twisting the insulated wire cores with different strengths, the insulated wire cores comprise high-strength insulated wire cores and low-strength insulated wire cores, the low-strength insulated wire cores are the insulated wire cores with the lowest strength in the insulated wire cores, the low-strength insulated wire cores are not pre-twisted at the moment, the high-strength insulated wire cores with higher strength relative to the low-strength insulated wire cores are pre-twisted, and when the high-strength insulated wire cores with higher strength relative to the low-strength insulated wire cores are multiple, the multiple high-strength insulated wire cores are required to be pre-twisted. The high-strength insulated wire cores need to be placed in the first wire groove 1a, so that the insulated wire cores are guided and kept on the guide wheel 1, the insulated wire cores are prevented from sliding out of the guide wheel 1, the stranding effect of the insulated wire cores is influenced, the adjustable guide wheel bracket 3 is arranged, when the high-strength insulated wire cores of different specifications need to be pre-twisted, the positions of the adjustable guide wheel bracket 3 can be adjusted, the pitch of pre-twisting is adjusted, the high-strength insulated wire cores can be pre-twisted through the pre-twisting guide wheel mechanism, and the high-strength insulated wire cores and the low-strength insulated wire cores are twisted to be more round and uniform, and the twisting lines are symmetrical.
In this embodiment, the adjustable idler frame 3 is in the shape of a circular ring or arc. The adjustable guide wheel bracket 3 is an assembly part of the pre-twisted guide wheel mechanism and is used for being installed on a corresponding device. The adjustable wire holder 3 may be disposed on the barrel 5 of the insulated wire core twisting device, so as to be easily assembled to and disassembled from the barrel 5, and in other embodiments, the adjustable wire holder may be applied to other devices, which is not limited herein. When the adjustable lead bracket 3 is in a circular ring shape, the adjustable guide wheel bracket 3 is conveniently sleeved on the machine barrel 5, and the assembly and disassembly are convenient; when the adjustable guide wheel bracket 3 is in an arc shape, the adjustable guide wheel bracket 3 can be conveniently and directly clamped on the machine barrel 5, and the assembly and disassembly are convenient; furthermore, a plurality of screw holes 3a are formed in the adjustable guide wheel bracket, and screws are rotated to enter the screw holes 3a to abut against the machine barrel 5 for fixing, so that the pre-twisting guide wheel mechanism is prevented from shaking and shifting.
In the present embodiment, the pre-twisted wheel mechanism set includes two pre-twisted wheel mechanisms including a first pre-twisted wheel mechanism 9 and a second pre-twisted wheel mechanism 10. For example, when the number of the insulated wire cores to be twisted in a rotating manner is two, the high-strength insulated wire cores are pre-twisted, when two experiments are performed, the strength of the low-strength insulated wire cores in the two experiments is the same, the high-strength insulated wire cores in the first group are different from the high-strength insulated wire cores in the second group, when the strength of the high-strength insulated wire cores in the first group is higher than that of the high-strength insulated wire cores in the second group, the pre-twisting pitch of the high-strength insulated wire cores in the first group is smaller than that of the high-strength insulated wire cores in the second group, so as to further reduce the internal stress of the high-strength insulated wire cores in the first group, the pre-twisting is performed after the adjustment by adjusting the position of the adjustable guide wheel support 3, and the pre-twisting is performed after the two groups of the insulated wire cores are tested in a more round and round manner, And (4) uniformity. According to the analysis, the higher the relative strength of the high-strength insulated wire core is, the shorter the pre-twisted pitch is, and the reverse is true. Also be suitable for the pretwist of many different high strength insulation core, set up a plurality of pretwist guide wheel mechanism group and realize many high strength insulation core pretwists, realize the transposition rounding, guarantee that low strength insulation core does not carry out the pretwist, low strength insulation core is the insulation core of minimum strength in the insulation core promptly, the pretwist guide wheel mechanism group that the higher insulation core of relative low strength insulation line to other different intensity corresponds carries out different pitch settings, in order to realize that the transposition is even.
In this embodiment, support assembly 2 and adjustable idler yoke 3 are integrally formed. In other embodiments, support assembly 2 and adjustable idler yoke 3 are coupled by welding, but are not limited thereto, and may be coupled by a threaded connection, or a snap-fit assembly.
In this embodiment, the guide wheel 1 has a through hole, a bearing 13 is disposed in the through hole, the guide wheel 1 is sleeved on a shaft post 12 through the bearing 13, and the guide wheel 1 is fixedly connected to the support assembly 2 through the shaft post 12. The guide wheel 1 can rotate relative to the shaft column 12, so that the friction force of the high-strength insulated wire core on the guide wheel 1 is uniformly dispersed, and the pre-twisting force of the high-strength insulated wire core is reduced; the preferred, 1 fixed connection of guide pulley on the jack-post 12, guide pulley 1 does not rotate this moment, and better realization is to the design when high strength insulation core pretwists, and the pretwist effect is better.
In this embodiment, a part or all of the support assemblies 2 corresponding to the pre-twisted guide wheel mechanism have a mounting hole, the guide wheel 1 is disposed in the mounting hole, and the center of the guide wheel 1 coincides with the center of the mounting hole. The both ends of jack-post 12 are fixed on supporting component 2 to make the guide pulley form a portion of running through respectively in the mounting hole upper and lower position, the high strength insulation sinle silk just is located first metallic channel 1a through the portion of running through, leads to the high strength insulation sinle silk, and further inject the high strength insulation sinle silk and be located first guide way 1 a. The maximum inner diameter of the mounting hole of the penetrating part is larger than the maximum outer diameter of the guide wheel 1, and the minimum inner diameter of the mounting hole is larger than the minimum outer diameter of the guide wheel 1. When the supporting component 2 corresponding to part of the pre-twisted guide wheel mechanism is provided with a mounting hole, the rest part of the pre-twisted guide wheel mechanism 10 is not provided with a mounting hole and is directly arranged at one end of the shaft post 12, and the other end of the shaft post 12 is fixed on the supporting component 2.
The embodiment of the invention discloses an insulated wire core stranding device, which comprises: the device comprises a first wire distribution disc, a second wire distribution disc 4 and a machine barrel 5, wherein the first wire distribution disc and the second wire distribution disc 4 are arranged on the machine barrel 5; the pre-twisted guide wheel mechanism set comprises the pre-twisted guide wheel mechanism set, and is arranged on the surface of the machine barrel 5 along the driving axis direction of the machine barrel 5 and between the first wire dividing plate and the second wire dividing plate 4; the insulating wire cores comprise high-strength insulating wire cores 6 and low-strength insulating wire cores 7, the pre-twisting guide wheel mechanism group is used for pre-twisting the high-strength insulating wire cores 6, and the high-strength insulating wire cores 6 sequentially penetrate through the corresponding branching first branching plate, the pre-twisting guide wheel mechanism group and the second branching plate 4; the low-strength insulated wire core 7 sequentially penetrates through the corresponding first wire distributing disc and the corresponding second wire distributing disc 4, and the low-strength insulated wire core 7 is rotatably stranded with the high-strength insulated wire core 6 in a cabling mould. The adjustable guide wheel bracket 3 of the pre-twisting guide wheel mechanism is arranged on a machine barrel 5 of the insulated wire core stranding device and is convenient to assemble on the machine barrel 5 and disassemble from the machine barrel 5.
The cabling die is a stranding device, so that the plurality of insulated wire cores are rotatably stranded in the cabling die. The high strength insulated wire core 6 and the low strength insulated wire core 7 are twisted rotationally in the cabling mold. When twisting the insulated wire cores with different strengths, the insulated wire cores comprise high-strength insulated wire cores and low-strength insulated wire cores, the low-strength insulated wire cores are the insulated wire cores with the lowest strength in the insulated wire cores, the low-strength insulated wire cores are not pre-twisted at the moment, the high-strength insulated wire cores with higher strength relative to the low-strength insulated wire cores are pre-twisted, and when the high-strength insulated wire cores with higher strength relative to the low-strength insulated wire cores are multiple, the multiple high-strength insulated wire cores are required to be pre-twisted. High strength insulation core needs to be placed in first metallic channel 1a to lead insulation core and keep insulation core on guide pulley 1, prevent roll-off guide pulley 1, influence insulation core's transposition effect, through setting up adjustable guide bracket 3, when need carry out the pretwist to the high strength insulation core of different specifications, can adjust the position of adjustable guide bracket 3, adjust the pitch of pretwist, and be convenient for assemble and dismantle on barrel 5 and from barrel 5. The pre-twisting guide wheel mechanism can pre-twist the high-strength insulated wire core, so that the high-strength insulated wire core and the low-strength insulated wire core are more round and have symmetrical and uniform twisting lines when twisted.
In this embodiment, the first wire distributing disc is provided with a wire distributing guide wheel 8, and the outer surface of the wire distributing guide wheel 8 is provided with a second wire guiding groove and is located in the first wire distributing hole of the first wire distributing disc. The high-strength insulated wire core 6 and the low-strength insulated wire core 7 respectively correspond to a wire dividing guide wheel 8 and are positioned on the opposite side of the wire dividing guide wheel 8 corresponding to the direction of the machine barrel 5. Every insulated wire core sets up in the second metallic channel, and it is straight to support insulated wire core, makes things convenient for the transposition of insulated wire core, also can prevent simultaneously that insulated wire core from skidding.
The invention discloses an insulated wire core stranding method, which comprises the following steps:
1) the high-strength insulated wire core 6 firstly passes through the first wire distribution plate, is pre-twisted through the pre-twisting guide wheel mechanism group and then passes through the second wire distribution plate 4;
2) the low-strength insulated wire core 7 firstly passes through the first wire distribution plate and then passes through the second wire distribution plate 4;
3) the low-strength insulated wire core 7 and the high-strength insulated wire core 6 are rotatably stranded in a cabling mould.
In this embodiment, the pre-twisted wheel mechanism set includes a plurality of pre-twisted wheel mechanisms, and in step 1), the specific steps include:
when the high-strength insulated wire core 6 penetrates through the first wire dividing disc and the pre-twisting guide wheel mechanism set, the pre-twisting guide wheel mechanism set alternately penetrates through the pre-twisting guide wheel mechanism in an up-and-down alternate mode and finally penetrates through the second wire dividing disc 4.
In this embodiment, with the above insulated wire core twisting apparatus, in step 1), the specific steps include: the high-strength insulated wire core 6 passes through a branching guide wheel 8 of a first branching plate, is pre-twisted through a pre-twisting guide wheel mechanism group, and then passes through a second branching hole 4a of a second branching plate 4;
in this embodiment, before step 1), the steps further include: the pitch of the high-strength insulated wire cores in the pre-twisting guide wheel mechanism is set, and the high-strength insulated wire cores and the low-strength insulated wire cores are simultaneously arranged in the traction device. The traction force of the traction device is used for realizing the transportation of the high-strength insulated wire cores and the transportation of the pre-twisted and low-strength insulated wire cores on the pre-twisted guide wheel mechanism group. Wherein the cabling mould is located between the second distribution plate 4 and the pulling device.
In the step 2), the concrete steps include: the low-strength insulated wire core 7 passes through the wire distributing guide wheel 8 of the first wire distributing plate and then passes through the second wire distributing plate 4;
in this embodiment, the low-strength insulated wire core 7 passes through the first distribution board and then passes through the second distribution hole 4a of the second distribution board 4 under the traction force of the traction device. The low-strength insulated wire core 7 and the high-strength insulated wire core 6 enter the cabling mould to be rotatably stranded simultaneously under the traction action of the traction device. The invention mainly pre-twists the high-strength insulating core with higher strength when twisting the insulating wire cores with different strengths. The pre-twisting guide wheel mechanism can pre-twist the high-strength insulated wire core, so that the high-strength insulated wire core and the low-strength insulated wire core are more round and have symmetrical and uniform twisting lines when twisted.
In this embodiment, the pre-twisted wheel mechanism set includes two pre-twisted wheel mechanisms, which are a first pre-twisted wheel mechanism 9 and a second pre-twisted wheel mechanism 10, respectively; in the step 1), the method specifically comprises the following steps:
when the high-strength insulated wire cores 6 pass through the wire dividing guide wheel 8 of the first wire dividing plate, the first pre-twisting guide wheel mechanism 9 and the second pre-twisting guide wheel mechanism 10, the high-strength insulated wire cores alternately pass through the wire dividing guide wheel, the first pre-twisting guide wheel mechanism and the second pre-twisting guide wheel mechanism in an up-and-down rotating mode, and finally pass through the second wire dividing hole 4a of the second wire dividing plate 4. The high-strength insulated wire cores can be tightened by passing through the wire dividing guide wheel 8 of the first wire dividing plate, the first pre-twisting guide wheel mechanism 9 and the second pre-twisting guide wheel mechanism 10 in turn up and down to form pre-twisting angles. Because the high-strength insulated wire 6 and the low-strength insulated wire 7 correspond to a wire dividing guide wheel 8 and are located on the opposite side of the wire dividing guide wheel 8 corresponding to the direction of the machine barrel 5, for example, when the high-strength insulated wire is located on the upper side of the wire dividing guide wheel 8, the high-strength insulated wire is located on the lower side of the first pre-twisting guide wheel mechanism and located on the upper side of the second pre-twisting guide wheel mechanism, and vice versa.
In this embodiment, high strength insulation core need place in first metallic channel 1a and second metallic channel to lead insulation core and keep insulation core on guide pulley 1, prevent roll-off guide pulley 1, influence insulation core's transposition effect.
The pre-twisting guide wheel mechanism set can pre-twist the high-strength insulated wire cores so that the high-strength insulated wire cores and the low-strength insulated wire cores are more round and symmetrical and uniform in twisting lines when twisted, control of the pre-twisting pitch of the high-strength insulated wire cores is achieved, the pre-twisting guide wheel mechanism can be conveniently assembled and disassembled, meanwhile, the pre-twisting guide wheel mechanism set is suitable for pre-twisting of a plurality of different high-strength insulated wire cores, the plurality of pre-twisting guide wheel mechanism sets are arranged to achieve round twisting of the plurality of insulated wire cores, and quality and qualified rate of cables are improved.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (2)
1. A method of stranding insulated wire cores, the steps comprising:
1) the high-strength insulated wire core (6) firstly passes through the first wire distribution plate, is pre-twisted through the pre-twisting guide wheel mechanism group and then passes through the second wire distribution plate (4);
2) the low-strength insulated wire core (7) firstly passes through the first distributing board and then passes through the second distributing board (4);
3) and the low-strength insulated wire core (7) and the high-strength insulated wire core (6) are rotatably stranded in a cabling mould.
2. The method for stranding insulated wire cores according to claim 1, wherein the pretwisted wheel mechanism assembly includes pretwisted wheel mechanisms, and the specific steps in step 1) include:
when the high-strength insulated wire core (6) penetrates through the first wire distributing disc and the pre-twisted guide wheel mechanism set, the pre-twisted guide wheel mechanism set alternately penetrates through the pre-twisted guide wheel mechanism in an up-and-down alternate mode and finally penetrates through the second wire distributing disc (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010256530.8A CN111430083B (en) | 2018-08-19 | 2018-08-19 | Insulated wire core stranding method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010256530.8A CN111430083B (en) | 2018-08-19 | 2018-08-19 | Insulated wire core stranding method |
| CN201810944505.1A CN108695027B (en) | 2018-08-19 | 2018-08-19 | Insulated wire core twisting device and insulated wire core twisting method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810944505.1A Division CN108695027B (en) | 2018-08-19 | 2018-08-19 | Insulated wire core twisting device and insulated wire core twisting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111430083A true CN111430083A (en) | 2020-07-17 |
| CN111430083B CN111430083B (en) | 2021-12-10 |
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| CN201810944505.1A Active CN108695027B (en) | 2018-08-19 | 2018-08-19 | Insulated wire core twisting device and insulated wire core twisting method |
| CN202010256530.8A Active CN111430083B (en) | 2018-08-19 | 2018-08-19 | Insulated wire core stranding method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810944505.1A Active CN108695027B (en) | 2018-08-19 | 2018-08-19 | Insulated wire core twisting device and insulated wire core twisting method |
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| CN111312455A (en) * | 2019-12-17 | 2020-06-19 | 芜湖航天特种电缆厂股份有限公司 | Method for improving qualified rate of finished wire and cable products |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108695027A (en) | 2018-10-23 |
| CN108695027B (en) | 2020-07-31 |
| CN111430083B (en) | 2021-12-10 |
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