CN109300623A - The preparation method of all aluminium alloy twisted wire - Google Patents
The preparation method of all aluminium alloy twisted wire Download PDFInfo
- Publication number
- CN109300623A CN109300623A CN201811265040.3A CN201811265040A CN109300623A CN 109300623 A CN109300623 A CN 109300623A CN 201811265040 A CN201811265040 A CN 201811265040A CN 109300623 A CN109300623 A CN 109300623A
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- CN
- China
- Prior art keywords
- molded line
- line monofilament
- preparation
- aluminium alloy
- monofilament
- Prior art date
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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
-
- 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
- H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
-
- 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
- H01B13/0257—Stranding-up by a twisting device situated between a pay-off device and a take-up device being a perforated disc
Abstract
The present invention relates to a kind of preparation methods of all aluminium alloy twisted wire comprising following steps: drawing molded line monofilament；Then it is heat-treated；Again by molded line monofilament process；Wherein, in the step of drawing molded line monofilament, the lengthening coefficient of wire drawing outlet die is that theoretical lengthening coefficient subtracts 0.01~0.09；Winding displacement parameter is -5~-40.The preparation method of above-mentioned all aluminium alloy twisted wire, is adjusted the lengthening coefficient of wire drawing outlet die, to enable aluminum material full of die clearance, the molded line monofilament shape made is regular, bright and clean without oil；Further, since molded line monofilament shape is regular, and the deviation between design shape is smaller, so as to ensure the smooth twisted of subsequent molded line monofilament.Meanwhile winding displacement parameter is adjusted in advance, make winding displacement speed and take-up speed reaches a balance, to guarantee that molded line monofilament take-up is smooth, not wire jumper, no turn phenomenon.
Description
Technical field
The present invention relates to power transmission technology fields, more particularly to a kind of preparation method of all aluminium alloy twisted wire.
Background technique
Traditional all aluminium alloy twisted wire, is twisted by several circular monofilaments.The outer surface of all aluminium alloy twisted wire is simultaneously uneven
It is whole smooth, but form groove between the monofilament of outer ring, so as to cause in the case where same cross-section conducting wire entire outer diameter it is larger, together
When plus conductive line surfaces groove, cause windage larger.Then outer surface occur is flat and smooth conducting wire, outer ring monofilament
For molded line monofilament.
But current molded line monofilament is during the twisting process, the problems such as molded line monofilament turns over, band is oily easily occurs.
Summary of the invention
Based on this, it is necessary to provide a kind of preparation method of new all aluminium alloy twisted wire.
A kind of preparation method of all aluminium alloy twisted wire, includes the following steps:
Draw molded line monofilament；
The molded line monofilament is heat-treated；
And by the molded line monofilament process after heat treatment；
Wherein, in the drawing molded line monofilament the step of, the lengthening coefficient of wire drawing outlet die is that theoretical lengthening coefficient subtracts
Go 0.01~0.09；Winding displacement parameter is -5~-40.
The preparation method of above-mentioned all aluminium alloy twisted wire, is adjusted the lengthening coefficient of wire drawing outlet die, to make aluminium
Material is able to full of die clearance, and the molded line monofilament shape made is regular, bright and clean without oil；Further, due to molded line list
Silk shape is regular, and the deviation between design shape is smaller, so as to ensure the smooth twisted of subsequent molded line monofilament.Together
When, winding displacement parameter is adjusted in advance, winding displacement speed and take-up speed is made to reach a balance, to guarantee that molded line monofilament is received
Line is smooth, not wire jumper, no turn phenomenon.
Preferably, the stranding device of the molded line monofilament process use includes:
Framework；
Thread-dividing mechanism in frame is arranged in the framework；
Positioning pipe in several frames, the molded line monofilament for that will pass through thread-dividing mechanism in the frame are pre-positioned；The frame is default
Position pipe is arranged in the framework；
Outer frame distributor plate is arranged outside the framework；
Several three-wheel positioning mechanisms are mounted on the outer frame distributor plate
And wire parallel module.
Preferably, the preparation method further include: enter wire parallel module after molded line monofilament comes out from three-wheel positioning mechanism
Before, pre torqued is carried out to molded line monofilament.
Preferably, the pretwist switchs to clockwise.
Preferably, the pretwist switchs to counterclockwise.
Preferably, the angle of the pre torqued is 180 °~720 °.
Preferably, further includes: before entering wire parallel module, carry out artificial repairing type.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the distributor plate of the molded line monofilament stranding device of one embodiment of the invention.
Fig. 2 is the schematic side view of the distributor plate in Fig. 1.
Fig. 3 is the structural schematic diagram of positioning pipe in the frame of the molded line monofilament stranding device of one embodiment of the invention.
Fig. 4 is the structural schematic diagram of the three-wheel positioning mechanism of the molded line monofilament stranding device of one embodiment of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, right below in conjunction with specific embodiment
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are only used to explain the present invention,
It is not intended to limit the present invention.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " it include one or more
Any and all combinations of relevant listed item.
A kind of preparation method of all aluminium alloy twisted wire, includes the following steps:
S1, molded line monofilament is drawn；
S2, the molded line monofilament is heat-treated；
S3, by the molded line monofilament process after heat treatment；
In step sl, it is drawn on non-sliding type aluminium alloy big drawing machine.The lengthening coefficient of wire drawing outlet die prolongs for theory
It stretches coefficient and subtracts 0.01~0.09.Specifically, the calculation formula of theoretical lengthening coefficient: R0 2/R1 2, R0It is the half of preceding one of mold
Diameter, R1For when the radius of front mold.Since the lengthening coefficient for wire drawing outlet die is adjusted, so that aluminum material be enable to fill
Full die clearance, the molded line monofilament shape made is regular, bright and clean without oil；Further, since molded line monofilament shape is regular,
And the deviation between design shape is smaller, so as to ensure the smooth twisted of subsequent molded line monofilament.
In step sl, winding displacement parameter is -5~-40.Due to being molded line wire drawing, so wire drawing is set in drawing process
Standby line type precision requires the required precision compared with round wires production needs higher, by being adjusted in advance to winding displacement parameter, makes winding displacement
Speed and take-up speed reach a balance, guarantee that the take-up of molded line monofilament is smooth, not wire jumper, no turn phenomenon.
In step s 2, main purpose is, by heat treatment, to improve the performance of molded line monofilament.Specifically, in Re Chu
Molded line monofilament is heat-treated by certain technique in reason furnace.
In step s3, molded line monofilament uses following stranding device process.The stranding device includes framework, extension line in frame
Positioning pipe, outer frame distributor plate, three-wheel positioning mechanism and wire parallel module in structure, several frames.It is, of course, understood that molded line list
Silk stranding device is other than above-mentioned component, it is also possible to including other components.Other components can use those skilled in the art
Think suitable structure, details are not described herein.
Wherein, positioning pipe is arranged in framework in thread-dividing mechanism and frame in frame.Molded line monofilament first passes through extension line in frame
Structure makes molded line monofilament projected route, avoids interfering with each other between molded line monofilament and causes phenomena such as knotting, breaking；Then molded line list
Silk is pre-positioned molded line monofilament, prevents the torsion of molded line monofilament by positioning pipe in frame.
Further, thread-dividing mechanism includes distributor plate that several valves mutually enclose in frame.That is, thread-dividing mechanism in frame
In several valve separate structures, each separate structure is a distributor plate.
In one embodiment, for emphasis referring to Fig. 1-2, distributor plate includes substrate 1, and several run through is offered on substrate 1
The outlet hole 2,3,4,5 of substrate.When in use, each molded line monofilament 7 passes through its corresponding outlet hole, the fixed molded line list of outlet hole
The position of silk 7, in this way to realize 7 projected route of molded line monofilament.By taking Fig. 1 as an example, in the distributor plate in Fig. 1, opened on substrate
Equipped with 4 outlet holes, it is from left to right respectively labeled as outlet hole 2, outlet hole 3, outlet hole 4 and outlet hole 5.
Preferably, the aperture of outlet hole is 10mm~15mm.
Preferably, the substrate of distributor plate is bakelite plate or plastic plate.
Specifically, the lower edge of substrate 1 is arc-shaped, and radian matches with framework inner tube radian.The lower part of substrate separates
Equipped with fixing threaded hole 6, cooperated by matching fixing bolt 8 and fixing threaded hole to realize the fixation to substrate.
In another embodiment, distributor plate includes substrate；The outer rim of substrate inwardly offers several separated time slots.Make
Used time, each molded line monofilament pass through its corresponding separated time slot, and type also may be implemented in the position of the fixed molded line monofilament of separated time slot in this way
Line monofilament projected route.
Preferably, separated time slot is square；The width of separated time slot is 10~15mm, and the depth of separated time slot is the height 2/ of substrate
3~1/2.
Emphasis is referring to Fig. 3, and the main function of positioning pipe 9 is in frame, for that will pass through the molded line monofilament of thread-dividing mechanism in frame
Pre-determined bit.Positioning pipe 9 in the corresponding frame of each molded line monofilament, each molded line monofilament 7 in its corresponding frame in positioning pipe 9 from wearing
It crosses.
Preferably, the positioning inner hole 10 passed through for molded line monofilament 7 is offered in frame on positioning pipe 9, positioning inner hole 10 is ladder
Shape or SZ shape.When positioning inner hole 10 be it is trapezoidal, this time-frame default position pipe is suitable for ladder-shaped monofilament.When positioning inner hole 10 is SZ
Shape, the default position pipe of this time-frame are suitable for SZ shape molded line monofilament.
Preferably, the input end of positioning pipe 9 is in the shape of a trumpet in frame.It is convenient for for molded line monofilament being pierced by from input end in this way.
Wherein, outer frame distributor plate is arranged outside framework.Molded line monofilament in framework after coming out, by outer frame distributor plate,
Then using three-wheel positioning mechanism.Three-wheel positioning mechanism is mounted on outer frame distributor plate.
Referring to fig. 4, three-wheel positioning mechanism includes upper pressure wheel 11 and is located at 11 two sides obliquely downward of upper pressure wheel emphasis
Lower pressure wheel 12,13.Molded line monofilament passes through after three-wheel positioning mechanism, can finally fix the direction of molded line monofilament.
In one embodiment, the diameter of upper pressure wheel 11 is greater than the diameter of lower pressure wheel 12,13, lower pressure wheel 12 and lower pressure wheel
13 diameter is identical.Upper pressure wheel 11 and lower pressure wheel 12,13 can be nylon wheel or bakelite wheel.
Upper pressure wheel 11 and lower pressure wheel 12,13 are supported on the bottom plate 14 of steel.Upper pressure wheel 11 can be freely rotated around axis,
Its upper and lower position on bottom plate 14 is adjustable.Lower pressure wheel 12,13 can also be freely rotated around respective axis, between lower pressure wheel 12,13
Center is away from adjustable.
In step s3 it is also preferable to include: molded line monofilament from three-wheel positioning mechanism come out after enter wire parallel module before,
Pre torqued is carried out to molded line monofilament.By pre torqued, molded line monofilament in stranding process can be offset and answered caused by being rotated because of framework
Power is more conducive to stranding process.Preferably, which can be completed.
In some cases, pretwist switchs to clockwise.In other cases, pretwist switchs to counterclockwise.Tool
The visual monofilament installation direction of body pre torqued and framework direction of rotation and select suitable direction.
Preferably, the angle of pre torqued is 180 °~720 °.
In step s3 it is also preferable to include: enter wire parallel module before, carry out artificial repairing type.It, can be with by artificial repairing type
Molded line monofilament is further prevented to turn over during the twisting process.
The preparation method of above-mentioned all aluminium alloy twisted wire, is adjusted the lengthening coefficient of wire drawing outlet die, to make aluminium
Material is able to full of die clearance, and the molded line monofilament shape made is regular, bright and clean without oil；Further, due to molded line list
Silk shape is regular, and the deviation between design shape is smaller, so as to ensure the smooth twisted of subsequent molded line monofilament.Together
When, winding displacement parameter is adjusted in advance, winding displacement speed and take-up speed is made to reach a balance, to guarantee that molded line monofilament is received
Line is smooth, not wire jumper, no turn phenomenon.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (7)
1. a kind of preparation method of all aluminium alloy twisted wire, which comprises the steps of:
Draw molded line monofilament；
The molded line monofilament is heat-treated；
And by the molded line monofilament process after heat treatment；
Wherein, in the drawing molded line monofilament the step of, the lengthening coefficient of wire drawing outlet die is that theoretical lengthening coefficient subtracts
0.01~0.09；Winding displacement parameter is -5~-40.
2. the preparation method of all aluminium alloy twisted wire according to claim 1, which is characterized in that the molded line monofilament process is adopted
Stranding device includes:
Framework；
Thread-dividing mechanism in frame is arranged in the framework；
Positioning pipe in several frames, the molded line monofilament for that will pass through thread-dividing mechanism in the frame are pre-positioned；Positioning pipe in the frame
It is arranged in the framework；
Outer frame distributor plate is arranged outside the framework；
Several three-wheel positioning mechanisms are mounted on the outer frame distributor plate
And wire parallel module.
3. the preparation method of all aluminium alloy twisted wire according to claim 2, which is characterized in that the preparation method is also wrapped
It includes: before entering wire parallel module after molded line monofilament comes out from three-wheel positioning mechanism, pre torqued being carried out to molded line monofilament.
4. the preparation method of all aluminium alloy twisted wire according to claim 3, which is characterized in that the pretwist switchs to clockwise
Direction.
5. the preparation method of all aluminium alloy twisted wire according to claim 3, which is characterized in that the pretwist switchs to counterclockwise
Direction.
6. the preparation method of all aluminium alloy twisted wire according to claim 3, which is characterized in that the angle of the pre torqued is
180 °~720 °.
7. the preparation method of all aluminium alloy twisted wire according to claim 3, which is characterized in that further include: entering doubling
Before mould, artificial repairing type is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811265040.3A CN109300623B (en) | 2018-10-29 | 2018-10-29 | Preparation method of all-aluminum alloy stranded wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811265040.3A CN109300623B (en) | 2018-10-29 | 2018-10-29 | Preparation method of all-aluminum alloy stranded wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109300623A true CN109300623A (en) | 2019-02-01 |
| CN109300623B CN109300623B (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811265040.3A Active CN109300623B (en) | 2018-10-29 | 2018-10-29 | Preparation method of all-aluminum alloy stranded wire |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4765130A (en) * | 1987-11-02 | 1988-08-23 | Northern Telecom Limited | Method and apparatus for making cable core |
| CN101625911A (en) * | 2009-08-10 | 2010-01-13 | 广东吉青电缆实业有限公司 | High-conductivity anti-icing lead and production method thereof |
| CN101879533A (en) * | 2010-07-02 | 2010-11-10 | 宋东升 | Proportioning method for ultra-fine copper wire drawing die |
| CN203652930U (en) * | 2013-12-12 | 2014-06-18 | 无锡西玛梅达电工有限公司 | Automatic take-up device of high-speed wiredrawing enamelling machine |
| CN105023651A (en) * | 2015-07-14 | 2015-11-04 | 福建世纪电缆有限公司 | Method for preparing aluminium alloy trapezoidal conductor |
-
2018
- 2018-10-29 CN CN201811265040.3A patent/CN109300623B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4765130A (en) * | 1987-11-02 | 1988-08-23 | Northern Telecom Limited | Method and apparatus for making cable core |
| CN101625911A (en) * | 2009-08-10 | 2010-01-13 | 广东吉青电缆实业有限公司 | High-conductivity anti-icing lead and production method thereof |
| CN101879533A (en) * | 2010-07-02 | 2010-11-10 | 宋东升 | Proportioning method for ultra-fine copper wire drawing die |
| CN203652930U (en) * | 2013-12-12 | 2014-06-18 | 无锡西玛梅达电工有限公司 | Automatic take-up device of high-speed wiredrawing enamelling machine |
| CN105023651A (en) * | 2015-07-14 | 2015-11-04 | 福建世纪电缆有限公司 | Method for preparing aluminium alloy trapezoidal conductor |
Non-Patent Citations (1)
| Title |
|---|
| 黎汉林等: "高电导率铝导线拉丝工艺和绞线预成型参数优化", 《光纤与电缆及其应用技术》 * |
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| CN109300623B (en) | 2020-06-05 |
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Effective date of registration: 20220119 Address after: 215234 88 Hengtong Road, seven Du Town, Wujiang District, Suzhou, Jiangsu Patentee after: JIANGSU HENGTONG ELECTRIC POWER SPECIAL WIRE Co.,Ltd. Patentee after: Jiangsu Hengtong Cable Technology Co., Ltd Address before: 215234 88 Hengtong Road, seven Du Town, Wujiang District, Suzhou, Jiangsu Patentee before: JIANGSU HENGTONG ELECTRIC POWER SPECIAL WIRE Co.,Ltd. |