CN110444346B - Flexible wire core twisting device and twisting method for charging pile cable and flexible wire core - Google Patents

Flexible wire core twisting device and twisting method for charging pile cable and flexible wire core Download PDF

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Publication number
CN110444346B
CN110444346B CN201910391262.8A CN201910391262A CN110444346B CN 110444346 B CN110444346 B CN 110444346B CN 201910391262 A CN201910391262 A CN 201910391262A CN 110444346 B CN110444346 B CN 110444346B
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China
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twisting
frame
stainless steel
guide
aramid fiber
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CN110444346A (en
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张林锐
王经逸
程斌
华健
华洪彬
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Wuxi Huamei Cable Co ltd
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Wuxi Huamei Cable Co ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/02Stranding-up
    • H01B13/0207Details; Auxiliary devices
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/02Stranding-up
    • H01B13/0235Stranding-up by a twisting device situated between a pay-off device and a take-up device
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/04Flexible cables, conductors, or cords, e.g. trailing cables
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/182Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
    • H01B7/1825Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments forming part of a high tensile strength core
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/22Metal wires or tapes, e.g. made of steel
    • H01B7/221Longitudinally placed metal wires or tapes
    • H01B7/223Longitudinally placed metal wires or tapes forming part of a high tensile strength core

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Ropes Or Cables (AREA)

Abstract

The invention provides a twisting device and a twisting method for flexible wire cores of a charging pile cable and the flexible wire cores, wherein the twisting device comprises a base, an electric sliding block, a moving frame, a guide frame, a rotating motor, a twisting mechanism, a flow guide mechanism and an execution motor; the guide mechanism, the guide frame and the twisting mechanism are sequentially arranged in the direction from feeding to twisting, the telescopic frame is provided with an execution operation block, the execution operation block is provided with a buffer groove along the circumferential direction of the execution operation block, and a buffer plate is arranged in the buffer groove through a spring; the operation execution block is uniformly provided with buffer grooves along the circumferential direction of the operation execution block, and buffer plates are arranged in the buffer grooves through springs. In the twisting process, the aramid fiber and the stainless steel wire to be twisted are guided by the buffer grooves, so that the friction force between the aramid fiber and the stainless steel wire is reduced and the operation block is executed when the aramid fiber and the stainless steel wire are hit under the assistance of the buffer plate and the spring.

Description

Flexible wire core twisting device and twisting method for charging pile cable and flexible wire core
Technical Field
The invention relates to the technical field of automobile charging pile cables, in particular to a stranding device and a stranding method for flexible wire cores of a charging pile cable and the flexible wire cores.
Background
Along with new energy automobile especially inserts electric formula and pure electric vehicles's popular use, need lay and establish the electric pile of filling like traditional fuel automobile's filling station, fill electric pile and obtain vigorously developing as electric automobile's most direct supporting, it involves power conversion, charge control, charging and cable, and power conversion, charge control, charging are software design problem, and only cable design belongs to the hardware design problem. Fill electric pile's cable both need carry out the transmission of electric energy, also need carry out data information's transmission, including electric energy power core (forceful electric power sinle silk) and light current sinle silk, in the process of the actual use of charging, often receive to drag, buckle, the car rolls, the fifty percent discount even, cause the harm to the cable easily, especially to the harm that the damage that causes thin light current sinle silk and the damage to the forceful electric power sinle silk when crooked fifty percent discount when rolling, therefore to the ductility of cable, resistant bending, heat-resisting, withstand voltage etc. put forward higher requirement in many aspects.
In the prior art, the bending performance of a cable is researched more, for example, a mode of combining a woven copper mesh and a compound twisted monofilament is adopted for a strong electric wire core, so that the bending resistance is improved, or a conductor formed by twisting a plurality of independent soft copper wires is adopted, and an elastomer insulating layer is extruded outside the conductor; however, although these methods are established to some extent to improve the bending resistance, there is still room for improvement and necessity to improve the shielding performance, bending resistance, and high temperature resistance of the charging cable from the viewpoint of the weak current and strong current cores themselves. The flexible core has important influence to the quality of cable, and the traditional preparation mode of flexible core needs manual control to mix the transposition to the raw materials, can't guarantee the compactness of the transposition of flexible core, directly influences the result of use of cable.
Disclosure of Invention
The invention aims to provide a stranding device and a stranding method for a flexible wire core of a charging pile cable and the flexible wire core, and the aramid fiber and the stainless steel wire are efficiently stranded through an integrated stranding device.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a transposition device for filling flexible core of electric pile cable, includes base, electronic slider, removes frame, guide frame, rotation motor, transposition mechanism, water conservancy diversion mechanism and actuating motor, wherein:
the electric sliding block is arranged on the base, the movable frame is arranged on the electric sliding block, and the rotating motor is arranged on the movable frame through the motor base;
the guide mechanism, the guide frame and the twisting mechanism are sequentially arranged in the direction from feeding to twisting, and the direction from the twisting mechanism to the guide mechanism is defined as from left to right;
the twisting mechanism is arranged on an output shaft of the rotating motor and comprises a twisting rotating frame arranged on the output shaft of the rotating motor, a twisting sleeve ring is arranged on the twisting rotating frame, twisting locking grooves are symmetrically formed in the upper side and the lower side of the twisting rotating frame, penetrating holes are symmetrically formed in the side wall of the twisting sleeve ring, a fastening cover is arranged on the twisting sleeve ring, fastening blocks are symmetrically arranged on the outer wall of the fastening cover, and a through hole is formed in the middle of the fastening cover;
the guide frame is arranged in the middle of the base; the guide frame is of a cavity structure, and the diameter of the guide frame is gradually increased along the axial direction to form a horn-shaped structure;
the guide mechanism is arranged at the rear end of the base and comprises a guide plate arranged on the base, guide holes are symmetrically formed in the guide plate, a guide frame matched with the guide holes is arranged on the guide plate, a guide roller is arranged on the lower side of the front end of the guide frame through a bearing, and a locking hole is formed in the upper side of the guide frame; a bidirectional driving cylinder is mounted on the side wall of the guide plate, a locking block is arranged on the bidirectional driving cylinder, and a twisting groove is formed in the locking block;
the side wall of the guide plate is provided with a telescopic pipe, a telescopic hole is formed in the telescopic pipe, a telescopic frame is arranged in the telescopic hole in a sliding fit mode, a telescopic spring is sleeved between the telescopic frame and the inner wall of the telescopic hole, an actuating motor is arranged in the telescopic pipe through a motor base, an output shaft of the actuating motor is provided with a cam, and the cam abuts against the telescopic frame;
the telescopic frame is provided with an execution operation block, buffer grooves are uniformly formed in the execution operation block along the circumferential direction of the execution operation block, and buffer plates are arranged in the buffer grooves through springs;
buffer grooves are uniformly formed in the execution operation block along the circumferential direction of the execution operation block, and buffer plates are arranged in the buffer grooves through springs; wherein, at the transposition in-process, the buffer slot is treated the aramid fiber of transposition and stainless steel wire part in the operation and is guided for reduce and carry out the frictional force between the operation piece when hitting aramid fiber and stainless steel wire under the assistance of buffer board and spring.
Preferably, the thickness of the outer wall of the fastening cover is gradually increased from left to right.
Preferably, the execution operation block is a circular truncated cone-shaped structure with the diameter increasing from left to right.
Preferably, the actuating motor is arranged to drive the cam to rotate, the cam and the extension spring cooperate with each other to control the actuating block to perform reciprocating motion, and the actuating block and the guide frame cooperate with each other so that the actuating block in motion can be inserted into the guide frame.
Preferably, the fastening cover is a plastic cover.
Preferably, the fastening cover and the twisted locking groove are matched with each other to lock the aramid fiber and the stainless steel wire.
Preferably, the rotating motor is used for driving the twisting rotating frame to rotate, and the aramid fiber is twisted with the stainless steel wires through the twisting rotating frame.
Preferably, the actuating motor is used for driving the cam to rotate, the cam and the telescopic spring are matched with each other to control the actuating operation block to reciprocate, and the actuating operation block and the guide frame are mutually moved, so that the actuating operation block in motion can be inserted into the guide frame.
According to the improvement of the invention, a flexible wire core stranding method adopting the stranding device is also provided, which is used for stranding aramid and stainless steel wires and comprises the following steps:
sequentially crosstalk aramid fiber and stainless steel wires from back to front to pass through a guide hole, a guide frame, a through hole and a twisting locking groove, wherein the aramid fiber and the stainless steel wires are limited and guided by a guide roller in the process of passing through the guide frame, the distance between the aramid fiber and the stainless steel wires before twisting is reduced by the guide frame, the twisting point of the aramid fiber and the stainless steel wires is controlled in the guide frame, and the tightness degree of the aramid fiber and the stainless steel wires in twisting operation is controlled;
then the fastening cover is fastened, the fastening cover and the twisting locking groove are matched with each other to respectively lock the left ends of the aramid fiber and the stainless steel wire, and the smooth twisting operation of the aramid fiber and the stainless steel wire is ensured;
controlling a rotating motor to enable a twisting rotating frame to rotate, and driving the aramid fiber and the stainless steel wire to twist by the twisting rotating frame;
the synchronous control electric sliding block enables the moving frame to move from right to left at a constant speed in the twisting operation process, so that the aramid fiber and the stainless steel wire are driven to move from right to left synchronously.
According to the improvement of the invention, the flexible wire core which is prepared by the flexible wire core stranding method and consists of aramid fiber and stainless steel wires is also provided.
According to the technical scheme, the invention has the beneficial effects that:
the stranding device is used for a flexible wire core of a charging cell in a charging pile cable, a copper wire or a silver-plated copper wire is wound outside the flexible wire core to form a flexible charging cell, because the aramid fiber is used as a flexible center in the traditional cable because the aramid fiber has high tensile strength and initial modulus, but has low elongation and poor heat resistance, the quality of the flexible wire core directly influences the quality of the cable, the stranding tightness of the flexible wire core cannot be ensured by selecting the traditional method for preparing the stranding, and the using effect of the cable is directly influenced, the invention uses the composite material of the aramid fiber and the stainless steel for stranding, is beneficial to the characteristics of high strength and high toughness of the aramid fiber, is beneficial to the excellent heat resistance of the stainless steel wire, the flexible central belt has the characteristics of high modulus, good temperature resistance, high modulus and excellent elongation effect, and the bending resistance is improved;
compared with the traditional aramid fiber braided structure of the flexible wire core, the invention adopts the efficient stranding device to ensure the tightness of the stranding between the aramid fiber and the stainless steel wire in the wire core; simultaneously, the twisting tightness of the aramid fiber and the stainless steel wire is ensured, and the aramid fiber and the stainless steel wire in operation are prevented from being influenced by external force to cause self abrasion.
It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of this disclosure unless such concepts are mutually inconsistent.
The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of specific embodiments in accordance with the teachings of the present invention.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which
Fig. 1 is a schematic structural diagram of a twisting device for flexible wire cores of charging cells in a charging pile cable according to the present invention.
Fig. 2 is a cross-sectional view of a stranding apparatus for flexible wire cores of charging cells in a charging pile cable according to the present invention.
Fig. 3 is a cross-sectional view of an execution block in the twisting apparatus according to the present invention.
Detailed Description
In order to better understand the technical content of the present invention, specific embodiments are described below with reference to the above-mentioned fig. 1-3.
In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any one implementation. In addition, some aspects of the present disclosure may be used alone, or in any suitable combination with other aspects of the present disclosure.
Referring to fig. 1 to 3, the stranding device of the present invention is used to provide an integrated manufacturing device for a flexible core in a charging electrical core during a cable manufacturing process. In order to improve the wear resistance and tensile property of the cable of the core charging cable, a special integrated stranding device is adopted for stranding when the composite flexible wire core is prepared, and the structure schematic of the stranding device is exemplarily shown in combination with fig. 1-3.
With reference to fig. 1-3, the twisting device includes a base 1 as a twisting base, an electric slider 2 is mounted on the base 1, a movable frame 3 is mounted on the electric slider 2, a rotary motor 4 is mounted on the movable frame 3 through a motor base, and a twisting mechanism 5 is disposed on an output shaft of the rotary motor 4.
The middle part of the base 1 is provided with a guide frame 6, and the rear end of the base 1 is provided with a flow guide mechanism 7.
The twisting mechanism 5 comprises a twisting rotating frame 51 arranged on an output shaft of the rotating motor 4, a twisting sleeve ring 52 is arranged on the twisting rotating frame 51, twisting locking grooves are symmetrically arranged on the upper side and the lower side of the twisting rotating frame 51, and inserting holes are symmetrically arranged on the side wall of the twisting sleeve ring 52.
The twisted ring 52 is provided with a fastening cover 53, and the middle part of the fastening cover 53 is provided with a through hole. Preferably, the thickness of the outer wall of the fastening cover 53 is gradually increased from left to right.
The outer wall of the fastening cover 53 is symmetrically provided with fastening blocks 54, and optionally, the fastening blocks 54 are made of plastic.
With reference to fig. 1-2, during twisting, the aramid fiber and the stainless steel wire are sequentially subjected to crosstalk from back to front and pass through the guide holes, the guide frame 72, the guide frame 6, the through holes and the twisting locking grooves. The distance between the aramid fiber and the stainless steel wire before twisting can be reduced through the guide frame 6, so that the twisting point of the aramid fiber and the stainless steel wire is controlled in the guide frame 6, and the tightness of the aramid fiber and the stainless steel wire in twisting operation is improved.
Then fasten the fastening lid 53, the fastening lid 53 and the intertwist locking groove are mutually matched to respectively lock the left ends of the aramid fiber and the stainless steel wire, and the successful intertwist operation of the aramid fiber and the stainless steel wire is ensured. The rotating motor 4 controls the twisting rotating frame 51 to rotate, the twisting rotating frame 51 drives the aramid fiber and the stainless steel wire to twist, and the electric sliding block 2 controls the moving frame 3 in the twisting operation to move left and right at a constant speed, so that the aramid fiber and the stainless steel wire are driven to move left and right synchronously.
The guide frame 6 is a cavity structure, and the guide frame 6 is a horn-shaped structure with the diameter gradually increasing from left to right;
the guide mechanism 7 comprises a guide plate 71 arranged on the base 1, guide holes are symmetrically arranged on the guide plate 71, a guide frame 72 matched with the guide holes is arranged on the guide plate 71, a guide roller 73 is arranged on the lower side of the front end of the guide frame 72 through a bearing, and a locking hole is arranged on the upper side of the guide frame 72.
Install on the lateral wall of guide plate 71 two-way drive actuating cylinder 74, be provided with locking block 75 on two-way drive actuating cylinder 74, be provided with the transposition groove on the locking block 75, aramid fiber and stainless steel wire pass water conservancy diversion frame 72, and guide roll 73 has played spacing and guide's effect, prevents that aramid fiber and stainless steel wire from rocking by a wide margin because of the effect of external force at the transposition in-process.
Two-way drive between cylinder 74 control locking piece 75 and the locking hole mutually support and can carry out spacingly to aramid fiber and the stainless steel wire of transposition in-process, increase the frictional force between aramid fiber and stainless steel wire and the water conservancy diversion frame 72 to can the efficient carry out the transposition operation to aramid fiber and stainless steel wire.
Preferably, with reference to fig. 1 and 2, a telescopic pipe 76 is installed on a side wall of the flow guide plate 71, a telescopic hole is formed in the telescopic pipe 76, a telescopic frame 77 is arranged in the telescopic hole in a sliding fit manner, a telescopic spring 78 is sleeved between the telescopic frame 77 and an inner wall of the telescopic hole, an actuating motor 79 is installed in the telescopic pipe 76 through a motor base, a cam 710 is arranged on an output shaft of the actuating motor 79, the cam 710 abuts against the telescopic frame 77, and an actuating operation block 7a is arranged on the telescopic frame 77.
Preferably, the execution operation block 7a is a circular truncated cone-shaped structure with the diameter increasing from left to right, buffer grooves are uniformly formed in the execution operation block 7a along the circumferential direction of the execution operation block, buffer plates 7b are arranged in the buffer grooves through springs, the execution motor 79 controls the cam 710 to rotate, the cam 710 and the extension spring 78 are matched with each other to control the execution operation block 7a to reciprocate, the execution operation block 7a can be matched with the guide frame 6, the execution operation block 7a in motion can be inserted into the guide frame 6, so that a twisting point between the aramid fiber and the stainless steel wire is knocked, and the tightness of twisting between the aramid fiber and the stainless steel wire is ensured.
And the aramid fiber and the stainless steel wire part of treating the transposition in the operation of buffer tank can be guided, can reduce and carry out the frictional force between the operation piece 7a when beating aramid fiber and stainless steel wire under the assistance of buffer board 7b and spring, guarantee that aramid fiber and stainless steel wire in the operation can not receive the wearing and tearing that external force influence caused self when guaranteeing aramid fiber and stainless steel wire transposition compactness to improve the linear quality of forceful electric power core.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention should be determined by the appended claims.

Claims (9)

1. A transposition device for filling flexible core of electric pile cable, its characterized in that includes base, electronic slider, removes frame, guide frame, rotation motor, transposition mechanism, water conservancy diversion mechanism and actuating motor, wherein:
the electric sliding block is arranged on the base, the movable frame is arranged on the electric sliding block, and the rotating motor is arranged on the movable frame through the motor base;
the guide mechanism, the guide frame and the twisting mechanism are sequentially arranged in the direction from feeding to twisting, and the direction from the twisting mechanism to the guide mechanism is defined as from left to right;
the twisting mechanism is arranged on an output shaft of the rotating motor and comprises a twisting rotating frame arranged on the output shaft of the rotating motor, a twisting sleeve ring is arranged on the twisting rotating frame, twisting locking grooves are symmetrically formed in the upper side and the lower side of the twisting rotating frame, penetrating holes are symmetrically formed in the side wall of the twisting sleeve ring, a fastening cover is arranged on the twisting sleeve ring, fastening blocks are symmetrically arranged on the outer wall of the fastening cover, and a through hole is formed in the middle of the fastening cover;
the guide frame is arranged in the middle of the base; the guide frame is of a cavity structure, and the diameter of the guide frame is gradually increased along the axial direction to form a horn-shaped structure;
the guide mechanism is arranged at the rear end of the base and comprises a guide plate arranged on the base, guide holes are symmetrically formed in the guide plate, a guide frame matched with the guide holes is arranged on the guide plate, a guide roller is arranged on the lower side of the front end of the guide frame through a bearing, and a locking hole is formed in the upper side of the guide frame; a bidirectional driving cylinder is mounted on the side wall of the guide plate, a locking block is arranged on the bidirectional driving cylinder, and a twisting groove is formed in the locking block;
the side wall of the guide plate is provided with a telescopic pipe, a telescopic hole is formed in the telescopic pipe, a telescopic frame is arranged in the telescopic hole in a sliding fit mode, a telescopic spring is sleeved between the telescopic frame and the inner wall of the telescopic hole, an actuating motor is arranged in the telescopic pipe through a motor base, an output shaft of the actuating motor is provided with a cam, and the cam abuts against the telescopic frame;
the telescopic frame is provided with an execution operation block, buffer grooves are uniformly formed in the execution operation block along the circumferential direction of the execution operation block, and buffer plates are arranged in the buffer grooves through springs; wherein, at the transposition in-process, the buffer slot is treated the aramid fiber of transposition and stainless steel wire part in the operation and is guided for reduce and carry out the frictional force between the operation piece when hitting aramid fiber and stainless steel wire under the assistance of buffer board and spring.
2. The twisting device for the flexible wire core of the charging pile cable according to claim 1, wherein the thickness of the outer wall of the fastening cover is gradually increased from left to right.
3. The twisting device for the flexible wire core of the charging pile cable according to claim 1, wherein the execution operation block is a circular truncated cone-shaped structure with the diameter increasing from left to right.
4. The twisting device for the flexible wire core of the charging pile cable according to claim 1, wherein the actuating motor is configured to drive the cam to rotate, the cam and the extension spring cooperate with each other to control the actuating block to reciprocate, and the actuating block and the guide frame interact with each other, so that the actuating block in motion can be inserted into the guide frame.
5. The twisting device for the flexible wire core of a charging pile cable according to claim 1, wherein the fastening cover is a plastic cover.
6. The twisting device for the flexible wire core of the charging pile cable according to claim 1, wherein the fastening cover and the twisting locking groove are matched with each other to lock the aramid fiber and the stainless steel wire.
7. The twisting device for the flexible wire core of the charging pile cable according to any one of claims 1 to 6, wherein the rotating motor is arranged to drive the twisting turret to rotate, and the aramid fiber is twisted with the stainless steel wire through the twisting turret.
8. A flexible wire core stranding method based on the stranding apparatus of claim 1 to strand aramid and stainless steel wires, the method comprising:
sequentially crosstalk aramid fiber and stainless steel wires from back to front to pass through a guide hole, a guide frame, a through hole and a twisting locking groove, wherein the aramid fiber and the stainless steel wires are limited and guided by a guide roller in the process of passing through the guide frame, the distance between the aramid fiber and the stainless steel wires before twisting is reduced by the guide frame, the twisting point of the aramid fiber and the stainless steel wires is controlled in the guide frame, and the tightness degree of the aramid fiber and the stainless steel wires in twisting operation is controlled;
then the fastening cover is fastened, the fastening cover and the twisting locking groove are matched with each other to respectively lock the left ends of the aramid fiber and the stainless steel wire, and the smooth twisting operation of the aramid fiber and the stainless steel wire is ensured;
controlling a rotating motor to enable a twisting rotating frame to rotate, and driving the aramid fiber and the stainless steel wire to twist by the twisting rotating frame;
the synchronous control electric sliding block enables the moving frame to move from right to left at a constant speed in the twisting operation process, so that the aramid fiber and the stainless steel wire are driven to move from right to left synchronously.
9. A flexible wire core of aramid and stainless steel wire produced by the flexible wire core stranding method of claim 8.
CN201910391262.8A 2019-05-12 2019-05-12 Flexible wire core twisting device and twisting method for charging pile cable and flexible wire core Active CN110444346B (en)

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CN110136876B (en) * 2019-05-12 2020-03-10 无锡市华美电缆有限公司 Cable for electric vehicle charging pile, preparation method and stranding device for weak current flexible wire core
CN111266487A (en) * 2020-03-23 2020-06-12 郭新红 Metal wire processing stranding equipment
CN111332871B (en) * 2020-03-23 2021-10-08 义乌双泰金属制品有限公司 Multi-strand twisting processing method for metal wire

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US20050279527A1 (en) * 2004-06-17 2005-12-22 Johnson Douglas E Cable and method of making the same
CN106683763A (en) * 2015-11-11 2017-05-17 衡阳恒飞电缆有限责任公司 Cable used for conduction charging system of electric vehicle
CN106328276A (en) * 2016-08-31 2017-01-11 江苏江扬船用电缆有限公司 Cable for electric vehicle charging pile and manufacturing method thereof
CN207718886U (en) * 2018-01-05 2018-08-10 深圳市赛鸿通电线科技有限公司 Twisted-pair cable
CN109411117A (en) * 2018-11-27 2019-03-01 天津亿鑫通科技股份有限公司 A kind of super soft twist resistant cable of Halogen and preparation method thereof

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