CN215183280U

CN215183280U - Stranded wire pretwisting device

Info

Publication number: CN215183280U
Application number: CN202120903108.7U
Authority: CN
Inventors: 王彬; 徐金龙
Original assignee: Ganzhou Silver Metal Material Development Co ltd
Current assignee: Ganzhou Silver Metal Material Development Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-12-14
Anticipated expiration: 2031-04-28

Abstract

The utility model relates to the technical field of stranded wire processing, and discloses a stranded wire pre-twisting device, which comprises a frame, a rotary drum rotationally connected to the frame, a driving mechanism for driving the rotary drum to rotate, and at least three guide wheels rotationally connected to the rotary drum; the rack is provided with a wire inlet end and a wire outlet end; defining the direction from the wire inlet end to the wire outlet end as a first direction; two ends of the rotary drum are respectively connected with the wire inlet end and the wire outlet end; the axis of each guide wheel is perpendicular to the first direction; the peripheral surface of the guide wheel is provided with a groove for the twisted wire to surround; the groove is recessed along the radial direction of the guide wheel. The utility model provides a stranded conductor is turned round device in advance can reduce the internal stress of stranded conductor.

Description

Stranded wire pretwisting device

Technical Field

The utility model relates to a stranded conductor processing technology field especially relates to a stranded conductor is turned round device in advance.

Background

The stranding machine is a stranding mechanical device which can be widely applied to various soft/hard conductor wires, so that a plurality of single conductors are twisted into one strand to meet the process requirements of wires. When a conventional stranding machine is used for stranding hard metal wires (such as stranded wires made of copper materials, steel alloys and the like), the stranding machine is operated, and single wires are stranded and formed through a die, so that internal stress is generated when the hard metal wires are changed from rotary motion to linear motion in the process. The internal stress easily causes the problems of monofilament breakage, strand jumping of stranded finished stranded wires or coiling of wire bodies and the like, and serious people can influence subsequent use. Therefore, there is a need for a device that reduces stress in a plurality of hard metal strands.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the stranded wire pre-twisting device is simple in structure and capable of reducing the internal stress of the stranded wire.

In order to achieve the above object, the present invention provides a wire twisting device, which includes a frame, a drum rotatably connected to the frame, a driving mechanism for driving the drum to rotate, and at least three guide wheels rotatably connected to the drum;

the rack is provided with a wire inlet end and a wire outlet end; defining the direction from the wire inlet end to the wire outlet end as a first direction;

two ends of the rotary drum are respectively connected with the wire inlet end and the wire outlet end;

the axis of each guide wheel is perpendicular to the first direction; the peripheral surface of the guide wheel is provided with a groove for the twisted wire to surround; the groove is recessed along the radial direction of the guide wheel.

Optionally, the guide wheels are sequentially arranged along the first direction; and the axes of the guide wheels are parallel to each other.

Optionally, the drum is penetrated with a connecting channel for the stranded wire to pass through along the axial direction of the drum; two ends of the connecting channel are respectively communicated with the wire inlet end and the wire outlet end; the guide wheel is at least partially disposed within the connecting channel.

Optionally, the rotating cylinder is provided with a first observation through hole communicated with the connecting channel; and a rotating shaft of the guide wheel is connected with the connecting channel, and the guide wheel partially protrudes out of the first observation through hole.

Optionally, the rotating cylinder is further provided with a second observation through hole communicated with the connecting channel; the second observation through hole and the first observation through hole are arranged oppositely.

Optionally, a reinforcing support is provided in the second viewing through hole.

Optionally, the driving mechanism includes a motor and a transmission belt, and the transmission belt is respectively connected with an output end of the motor and the drum.

Optionally, the wire twisting mold is further included; the stranded wire mould is arranged at the inlet wire end.

Optionally, the device further comprises a wire distribution plate; the wire distributing plate is arranged outside the rack and positioned on one side, far away from the rack, of the stranded wire mold.

The utility model provides a pair of stranded conductor is turned round device in advance compares with prior art, and its beneficial effect lies in: the utility model discloses a all be equipped with the recess that supplies the stranded conductor to pass through with the butt on a plurality of guide pulleys. The guide wheel is connected to the rotary drum in a rotating mode and can rotate on the rotary drum along with the movement of the steel strand. The guide wheel is arranged on the rotary drum, and the axis of the guide wheel is perpendicular to the axis of the rotary drum. Under operating condition, actuating mechanism drive rotary drum drives the guide pulley and rotates around the axis of rotary drum, and the guide pulley rotates around self axis along with the removal of steel strand wires, and the stranded conductor is respectively with the different side recess butt of two adjacent guide pulleys, can eliminate steel strand wires at multi-direction ascending internal stress, realized that stranded hard metal strand wires twist preceding monofilament of stranded pretwist destressing, avoid appearing phenomena such as line body bending, spring wire, solved stranded hard metal strand wires broken string problem, promoted stranded conductor stability.

Drawings

Fig. 1 is a schematic structural diagram of a stranded wire pre-twisting device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the connection between the drum (rotated to a certain angle) and the frame according to an embodiment of the present invention;

FIG. 3 is a schematic view of the connection between the drum (rotated to another angle) and the frame according to an embodiment of the present invention;

FIG. 4 is a schematic view of the connection between the drum (rotated to a further angle) and the frame according to an embodiment of the present invention;

FIG. 5 is a schematic view of the connection between the drum (rotated to a further angle) and the frame according to an embodiment of the present invention

Fig. 6 is a schematic view of a line distribution board and a rack according to an embodiment of the present invention.

In the figure, 1, a strand; 2. a frame; 3. a rotating drum; 4. a drive mechanism; 41. a motor; 42. a transmission belt; 5. a guide wheel; 6. a wire inlet end; 7. a wire outlet end; 8. a groove; 9. a connecting channel; 10. a first viewing through hole; 11. a second viewing through hole; 12. a reinforcing support; 13. a stranding die; 14. and a distributing board.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the terms used in the present invention are used in the description of the present invention, and it should be understood that the terms "center", "upper", "lower", "horizontal", "inner", "outer", and the like used in the present invention are used as the terms of the orientation or the positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present invention.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 6, a wire twisting device according to a preferred embodiment of the present invention includes a frame 2, a drum 3, a driving mechanism 4, and at least three guide wheels 5. The frame 2 is provided with a wire inlet end 6 and a wire outlet end 7. The frame 2 in this embodiment is a box structure, and the incoming line end 6 and the outgoing line end 7 are oppositely disposed and respectively disposed on two side walls of the frame 2. The direction from the incoming terminal 6 to the outgoing terminal 7 is defined as a first direction. The rotary drum 3 is rotatably connected to the frame 2. Two ends of the rotary drum 3 are respectively connected with a wire inlet end 6 and a wire outlet end 7. In this embodiment, both ends of the rotary drum 3 are rotatably connected to the frame 2 through a center shaft bearing. The driving mechanism 4 is connected with the rotating drum 3 and is used for driving the rotating drum 3 to rotate on the frame 2. Each guide wheel 5 is rotatably connected to the drum 3. The axis of each guide wheel 5 is perpendicular to the first direction; the peripheral surface of the guide wheel 5 is provided with a groove 8 for the twisted wire 1 to surround; the groove 8 is recessed in the radial direction of the guide wheel 5. The grooves 8 in this embodiment are V-shaped. The grooves 8 together form a stranded wire channel for the stranded wire 1 to pass through; the wire inlet end 6, the stranded wire channel and the wire outlet end 7 together form a processing path for the stranded wires 1 to pass through in sequence.

Based on the technical scheme, the stranded wire 1 enters the rack 2 from the wire inlet end 6, sequentially passes through the grooves 8 on the guide wheels 5, and leaves the stranded wire pre-twisting device from the wire outlet end 7. As shown in fig. 1, the number of the guide wheels 5 in this embodiment is three, and the drum 3 is horizontally disposed. When the stranded wire 1 sequentially passes through the grooves 8 on the guide wheels 5, the stranded wire firstly passes through the groove 8 below the first guide wheel 5, then passes through the groove 8 above the second guide wheel 5, and finally passes through the lower part of the third guide wheel 5, and leaves the stranded wire pre-twisting device from the wire outlet end 7; or the twisted wire passes through the groove 8 below the first guide wheel 5, passes through the groove 8 above the second guide wheel 5, and finally passes through the lower part of the third guide wheel 5 to leave the twisted wire pre-twisting device from the wire outlet end 7. That is to say, stranded conductor 1 need avoid simultaneously with two adjacent guide pulleys 5 with same one side recess 8 butt, ensure to be just twisted and the transposition, eliminate the stress in two directions, can not kick-back. The guide wheel 5 is hinged to the drum 3 by its axis of rotation. The driving mechanism 4 drives the rotary drum 3 to rotate around the axis of the rotary drum and drives the guide wheels 5 connected to the rotary drum 3 to rotate simultaneously, so that multiple strands of stranded wires are stranded together, and stress in multiple directions is eliminated. If the guide wheel 5 is static and does not rotate around the axis of the rotary drum 3, when a plurality of metal wires are twisted together, the metal wires are cut off and rebound immediately. When the machine works, the stranded wire 1 moves by the traction of the stranding machine. A plurality of strands enter from the wire inlet end 6, pass through the plurality of guide wheels 5, then penetrate out from the wire outlet end 7 and enter the stranding machine. Through setting up rotary drum 3 for guide pulley 5 can encircle the axis rotation of rotary drum 3, and guide pulley 5 can take place the rotation along with the removal of stranded conductor 1, and stranded conductor 1 can not simultaneously with two adjacent guide pulleys 5 with 8 butts of one side recess during pretwist, makes stranded conductor 1 can eliminate stress in all directions. After the internal stress of the single wire of the multi-strand hard stranded wire is reduced, no matter a single twisting machine, a bundle twisting machine or other machine types are used for twisting the multi-strand hard metal wire, the occurrence probability of the wire breakage condition is obviously reduced, the roundness improvement of the multi-strand hard metal stranded wire finished product is also reduced, and the phenomena of strand jumping and wire body rolling are also reduced. The utility model provides a stranded conductor is turned round device in advance and is applicable to transposition hard metal material, for example copper product, copper alloy, copper wire etc. wherein the copper alloy includes tin copper, silver copper, magnesium copper, copper clad steel etc..

Wherein, each guide wheel 5 is arranged in sequence along a first direction; and the axes of the guide wheels 5 are parallel to each other. The guide wheels 5 are arranged in a straight line and are all arranged on a straight line connecting the wire inlet end 6 and the wire outlet end 7. The twisted wire 1 enters from a wire inlet end 6, passes through a plurality of guide wheels 5 arranged on the same straight line and is twisted. If the guide wheels 5 are not arranged on the same straight line or the guide wheels 5 are inclined with the wire outlet end 7 and the wire inlet end 6, new internal stress is easily generated when the stranded wire 1 is twisted.

Specifically, the drum 3 is penetrated with a connecting channel 9 for the stranded wire 1 to pass through along the axial direction; two ends of the connecting channel 9 are respectively communicated with the wire inlet end 6 and the wire outlet end 7; the guide wheel 5 is at least partially arranged in the connecting channel 9. The connecting passage 9 is a circular through hole penetrating the inside of the drum 3, and the connecting passage 9 extends in the axial direction of the drum 3. The plurality of guide wheels 5 are at least partially disposed within the connecting channel 9, the connecting channel 9 providing a mounting location for the guide wheels 5.

More specifically, the drum 3 is provided with a first observation through hole 10 communicating with the connection passage 9; the rotating shaft of the guide wheel 5 is connected with the connecting channel 9. As shown in fig. 3 and 4, the guide wheel 5 partially protrudes from the first viewing through hole 10. The operator can monitor the twist of the strand 1 via the first observation opening 10. In the present embodiment, the first observation through-hole 10 is oblong in shape.

Similarly, as shown in fig. 5, the drum 3 is further provided with a second observation through hole 11 communicating with the connection channel 9; the second observing through hole 11 is disposed opposite to the first observing through hole 10. When the rotary drum 3 rotates, the worker can observe the twisting condition of the stranded wire 1 in the rotary drum 3 conveniently by arranging the first observation through hole 10 and the second observation through hole 11 which is arranged opposite to the first observation through hole 10. In the present embodiment, the shape of the second observation through-hole 11 is also oblong. A reinforcing support member 12 is provided in the second observing through hole 11. The reinforcing support member 12 in the present embodiment is plural. The two ends of the reinforcing support 12 are connected with the hole wall of the second observation through hole 11 respectively for reinforcing the structural strength of the drum 3.

Alternatively, as shown in fig. 1, the driving mechanism 4 includes a motor 41 and a belt 42, and the belt 42 is connected to an output end of the motor 41 and the drum 3, respectively. The transmission belt 42 is respectively wound around the output shaft of the motor 41 and one end of the drum 3. In the working state, the motor 41 drives the transmission belt 42 to rotate the drum 3, so that the guide wheel 5 rotates. The drive belt 42 in this embodiment is a drive belt.

In addition, as shown in fig. 6, the stranding device further includes a stranding die 13; a stranding die 13 is provided at the wire entry end 6. In this embodiment, the stranded wire mold 13 may be a japanese sumitomo CD material welding wire mold. A die seat is arranged on the frame 2, the die seat is positioned at the wire inlet end 6, and a stranding die 13 is arranged on the die seat. The stranding die 13 is arranged at the wire inlet end 6, so that a plurality of single wires are stranded into a stranded wire 1 through the stranding die 13, and after internal stress is generated, the stranded wire passes through the stranding channel and is abutted to the grooves 8 of the guide wheels 5, and the internal stress is eliminated.

In addition, the stranded wire pre-twisting device also comprises a wire distribution plate 14; the wire distributing plate 14 is arranged outside the frame 2 and on one side of the wire stranding die 13 away from the frame 2. The distributing plate 14 is provided with a plurality of through holes, and disordered monofilaments are orderly arranged after passing through the through holes on the distributing plate 14, so that the stranding die 13 is convenient to strand.

The utility model discloses a working process does: the stranding machine pulls the stranded wires 1 to move, and after the disordered stranded wires 1 pass through the wire dividing plate 14, the stranded wires are stranded into a plurality of hard metal stranded wires by the stranding die 13 in order. The motor 41 drives the conveyor belt to rotate the drum 3 and the guide wheel 5 arranged on the drum 3. Under the traction action of the stranding machine, a plurality of metal strands enter a connecting channel 9 in the rotary drum 3 from the wire inlet end 6, pass through the guide wheels 5 arranged in a straight line and abut against the grooves 8 of the guide wheels 5, and the guide wheels 5 are driven to rotate. The stranded hard metal stranded wires between the guide wheels 5 are twisted and internal stress is removed. And then, the pre-twisted formed stranded wire output from the wire outlet end 7 is sent into a stranding machine, and the pre-twisted stranded hard metal stranded wires rotate in the same direction after entering the stranding machine, so that a stranded wire finished product with round stranding is finally generated.

To sum up, the embodiment of the utility model provides a stranded conductor is turned round device in advance all is equipped with the recess that supplies the stranded conductor to pass through and the butt on a plurality of guide pulleys. The guide wheel is connected to the rotary drum in a rotating mode and can rotate on the rotary drum along with the movement of the steel strand. The guide wheel is arranged on the rotary drum, and the axis of the guide wheel is perpendicular to the axis of the rotary drum. Under operating condition, actuating mechanism drive rotary drum drives the guide pulley and rotates around the axis of rotary drum, and the guide pulley rotates around self axis along with the removal of steel strand wires, and the stranded conductor is respectively with the different side recess butt of two adjacent guide pulleys, can eliminate steel strand wires at multi-direction ascending internal stress, realized that stranded hard metal strand wires twist preceding monofilament of stranded pretwist destressing, avoid appearing phenomena such as line body bending, spring wire, solved stranded hard metal strand wires broken string problem, promoted stranded conductor stability.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. A stranded wire pre-twisting device is characterized by comprising a rack, a rotary drum rotationally connected to the rack, a driving mechanism for driving the rotary drum to rotate, and at least three guide wheels rotationally connected to the rotary drum;

2. The strand pretwisting apparatus as recited in claim 1, wherein the guide rollers are arranged in sequence along the first direction; and the axes of the guide wheels are parallel to each other.

3. The wire stranding apparatus of claim 1 wherein the drum has a connecting passage extending axially therethrough for the strand to pass through; two ends of the connecting channel are respectively communicated with the wire inlet end and the wire outlet end; the guide wheel is at least partially disposed within the connecting channel.

4. The wire stranding and pretwisting apparatus of claim 3, wherein the drum is formed with a first observation through hole communicating with the connecting passage; and a rotating shaft of the guide wheel is connected with the connecting channel, and the guide wheel partially protrudes out of the first observation through hole.

5. The wire stranding and pretwisting apparatus of claim 4, wherein the drum is further provided with a second observation through hole communicated with the connecting passage; the second observation through hole and the first observation through hole are arranged oppositely.

6. The strand pretwisting apparatus of claim 5, wherein a reinforcing support member is disposed within the second sight through hole.

7. The wire pretwisting apparatus of claim 1, wherein the drive mechanism includes a motor and a belt, the belt being coupled to an output of the motor and the drum, respectively.

8. A stranded wire pretwisting apparatus as claimed in any one of claims 1 to 7, further comprising a stranded wire die; the stranded wire mould is arranged at the inlet wire end.

9. The strand pretwist apparatus of claim 8, further comprising a breakout board; the wire distributing plate is arranged outside the rack and positioned on one side, far away from the rack, of the stranded wire mold.