CN216156239U - Double-twisting machine combined traction device for producing high-elongation steel cord - Google Patents
Double-twisting machine combined traction device for producing high-elongation steel cord Download PDFInfo
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- CN216156239U CN216156239U CN202121474251.5U CN202121474251U CN216156239U CN 216156239 U CN216156239 U CN 216156239U CN 202121474251 U CN202121474251 U CN 202121474251U CN 216156239 U CN216156239 U CN 216156239U
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Abstract
The utility model discloses a double-twister combined traction device for producing a high-elongation steel cord, which comprises a rack, wherein a double-twister rotating body, a twister and a traction device are sequentially arranged on the rack, and the traction device comprises a main traction wheel, a first slave traction wheel, a second slave traction wheel and a speed changer for driving the main traction wheel to rotate, wherein the main traction wheel, the first slave traction wheel and the second slave traction wheel are arranged in a triangular shape; the rope-shaped steel cord passing through the twister is sequentially wound on the surfaces of the first slave traction wheel and the main traction wheel back and forth for a plurality of times, and then the rope-shaped steel cord is sequentially wound on the surfaces of the main traction wheel and the second slave traction wheel back and forth for a plurality of times; the main traction wheel drives the first driven traction wheel and the second driven traction wheel to rotate under the action of static friction force through the rope-shaped steel cord. The traction device provided by the utility model is additionally provided with the second slave traction wheel, and the generation of unqualified products caused by the change of the lay length and the elongation of the steel cord can be reduced by changing the existing traction wheel winding method, so that the product quality of the high-elongation steel cord is improved.
Description
Technical Field
The utility model belongs to the technical field of steel cord stranding production, and particularly relates to a combined traction device of a double-twisting machine for producing a high-elongation steel cord.
Background
In the rubber tire manufacturing process, the steel cord used for the zero-degree belt layer is generally a high elongation structural steel cord, and the steel cord used therein has a structure mainly specified by 3 × 7, 3 × 4, 4 × 4, and the like. In the steel cord stranding and rope forming process, an external take-up double-twisting machine is generally used to produce a high-elongation structural steel cord.
The lay length is the linear distance between the starting and stopping points of a single revolution (360 °) of the steel wire around the core of the strand or strand during stranding or twisting of the rope. In the twisting process, the steel wire or the strand is moved by a body belt of twisting equipment to rotate in a circle at a constant speed, and is pulled by a traction wheel belt to move in a straight line at a constant speed while being twisted to form the strand (strand for short) or the steel wire rope, and the steel wire and the strand in the steel wire rope are in a cylindrical spiral line state.
The lay length is an extremely important twisting process parameter of the steel cord, and has a great influence on the structural performance, the yield and the like of the steel cord. In the prior art, the size of the lay length is changed mainly by changing the rotating speed of a traction device.
In the practical use process, the existing external take-up double twister realizes the reeling of the steel cord through a traction device. The existing traction device generally comprises a plurality of traction wheels, and the steel cord which comes out through the twister and eliminates stress can pass through the traction wheels in turn, for example, the utility model with the patent application number of 201620326607.3 discloses a surface defect detection device of a high-elongation steel cord, and the traction device comprises a first traction wheel and a second traction wheel. The steel cord passes through the over-twister, then sequentially bypasses the first traction wheel and the second traction wheel, then bypasses the first traction wheel, and then sequentially bypasses the first traction wheel and the second traction wheel; and winding the first traction wheel and the first traction wheel back and forth for a plurality of circles and then winding the first lead wheel. The traction device can be used for drawing the steel cord passing through the twister.
However, the above-mentioned problems may occur in that the steel cord is wound around the surfaces of the first traction wheel and the second traction wheel, and when the first traction wheel and the second traction wheel are worn, the first traction wheel and the second traction wheel cannot stably pull the steel cord, thereby affecting the control of the lay length and the elongation of the high-elongation steel cord.
Therefore, a double-twister combined traction device capable of avoiding quality defects such as unqualified lay length and elongation of a high-elongation steel cord caused by unstable traction tension and abrasion of a traction wheel is needed at present.
Disclosure of Invention
The utility model aims to provide a combined traction device of a double-twisting machine for producing a high-elongation steel cord aiming at the problems in the prior art.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a double-twister combined traction device for producing a high-elongation steel cord comprises a rack, wherein a double-twister rotating body for twisting a plurality of monofilaments into a single rope-shaped steel cord, a twister for eliminating residual torsional stress in the rope-shaped steel cord and a traction device for drawing the rope-shaped steel cord to move are sequentially arranged on the rack, and the traction device comprises a main traction wheel, a first slave traction wheel, a second slave traction wheel and a speed changer for driving the main traction wheel to rotate, wherein the main traction wheel, the first slave traction wheel and the second slave traction wheel are arranged in a triangular shape; the rope-shaped steel cord passing through the over-twister is sequentially wound on the surfaces of the first slave traction wheel and the master traction wheel back and forth for a plurality of times, and then the rope-shaped steel cord is sequentially wound on the surfaces of the master traction wheel and the second slave traction wheel back and forth for a plurality of times; the main traction wheel drives the first driven traction wheel and the second driven traction wheel to rotate under the action of static friction force through the rope-shaped steel cord. The over-twisting device is connected with the motor and is driven to operate by the motor.
The traction device provided by the utility model is additionally provided with the second slave traction wheel, so that the phenomena of reduction of the linear speed of the steel cord and unqualified lay length of the steel cord caused by abrasion of the traction wheel and slipping of the steel cord on the traction wheel can be effectively avoided. Furthermore, the method is simple. Slipping of the steel cord also causes variations in the cord traction tension, which in turn leads to unacceptable steel cord elongation.
And the rope-shaped steel cord passing through the over-twister sequentially winds a plurality of circles back and forth on the surfaces of the first slave traction wheel and the main traction wheel, and then winds the rope-shaped steel cord between the main traction wheel and the second slave traction wheel for a plurality of circles back and forth. The static friction force between the rope-shaped steel cord and the traction wheel can be enhanced by winding for a plurality of circles. The speed changer drives the main traction wheel to rotate, and when the main traction wheel rotates, the rope-shaped steel cord wound on the surface of the main traction wheel moves along with the main traction wheel under the action of static friction force; and the first slave traction wheel and the second slave traction wheel rotate along with the moving rope-shaped steel cord under the action of static friction force, the rope-shaped steel cord close to the first slave traction wheel is paid out, and the rope-shaped steel cord close to the second slave traction wheel is taken up, so that the rope-shaped steel cord traction function is realized.
And a speed changer is used as a driving force to drive a main traction wheel to rotate, and then drives the rope-shaped steel cord to move, so that two auxiliary traction wheels are driven to rotate. Compared with one traction wheel in the prior art, the two slave traction wheels have higher error prevention probability, and when one slave traction wheel slips on the surface of the traction wheel, the other slave traction wheel can pull the movement of the rope-shaped steel cord.
Furthermore, a rotating shaft is arranged in the center of the main traction wheel, and the input end of the rotating shaft is coaxially connected with the output end of the speed changer; the speed changer is fixedly arranged with the frame and is positioned below the main traction wheel. Through the mode, the transmission can drive the main traction wheel to rotate. The traction speed of the traction device to the steel cord can be controlled by adjusting the rotating speed of the speed changer, and then the cord lay length is adjusted.
Furthermore, the first driven traction wheel and the second driven traction wheel both rotate one end provided with a mandrel, and the other end of the mandrel is fixedly arranged on the rack. In this way, the first slave traction wheel and the second slave traction wheel can rotate under the action of the moving rope-shaped steel cord, and then the rope-shaped steel cord is dragged.
Further, cord grooves are formed in the surfaces of the main traction wheel, the first slave traction wheel and the second slave traction wheel and used for separating the rope-shaped steel cords wound back and forth; and a single wound rope-shaped steel cord is embedded into the single cord groove. The cord grooves can separate the rope-shaped steel cords wound back and forth on one hand, and can facilitate winding of the rope-shaped steel cords on the other hand.
Further, the first slave traction wheel and the second slave traction wheel have the same diameter, and the distance from the first slave traction wheel to the main traction wheel is the same as the distance from the second slave traction wheel to the main traction wheel. Through the mode, the moving length of the rope-shaped steel cord on the first slave traction wheel is determined to be the same as that of the rope-shaped steel cord on the second slave traction wheel when the main traction wheel rotates, and smooth moving of the rope-shaped steel cord is ensured.
Further, the number of times of the rope-shaped steel cord is sequentially wound back and forth on the surfaces of the first slave traction wheel and the main traction wheel is a winding number A, the number of times of the rope-shaped steel cord is sequentially wound back and forth on the surfaces of the main traction wheel and the second slave traction wheel is a winding number B, and the winding number A is the same as the winding number B.
The wire guide device further comprises a wire guide wheel, a wire arranging device and a wire collecting device which are sequentially arranged on the rack; the wire passing wheel is positioned on one side of the traction device and is positioned above the first driven traction wheel; the wire arranging device and the wire collecting assembly are positioned on the other side of the traction device; the rope-shaped steel cord is wound around the wire passing wheel and the wire arranging device in sequence and is wound with the winding device. The wire passing wheel can change the wire passing angle of the rope-shaped steel cord, so that the rope-shaped steel cord can bypass the wire arranging device. The winding displacement ware with receive the line and constitute and can with even winding of rope form steel cord is received the line I-shaped wheel.
Further, the frame is coaxially and rotatably provided with a left main shaft and a right main shaft, and the double-twisting machine rotating body is arranged between the left main shaft and the right main shaft; a left main shaft pulley is arranged in the left main shaft, a right main shaft pulley is arranged in the right main shaft, and a paying-off spool is arranged in the rotating body of the double twisting machine. The double-twisting machine rotating body is an important part of the double-twisting machine, a paying-off I-shaped wheel is placed inside the double-twisting machine rotating body, and the paying-off I-shaped wheel can pay off the rope-shaped steel cord. The rope-shaped steel cord generates 2 lay lengths every 1 rotation of the double twister rotating body.
Furthermore, the first slave traction wheel and the main traction wheel are positioned on the same horizontal line, and the second slave traction wheel is positioned right above the main traction wheel. The mode is one of a triangular arrangement mode of the main traction wheel, the first driven traction wheel and the second driven traction wheel, namely the three are arranged in a right-angled triangle mode.
Compared with the prior art, the utility model has the beneficial effects that: the traction device provided by the utility model is additionally provided with the second slave traction wheel, and the generation of unqualified products caused by the change of the lay length and the elongation of the steel cord can be reduced by changing the existing traction wheel winding method, so that the product quality of the high-elongation steel cord is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. a double twister rotating body; 2. a right main shaft pulley; 3. a left main shaft pulley; 4. a twister; 5-1, a first slave traction wheel; 5-2, a main traction wheel; 5-3, a second slave traction wheel; 6. a transmission; 7. a wire passing wheel; 8. a wire arrangement device; 9. taking up; 10. and a frame.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1: the embodiment provides a double-twister combined traction device for producing a high-elongation steel cord, which comprises a rack 10, wherein the rack 10 is sequentially provided with a double-twister rotating body 1 for twisting a plurality of monofilaments into a single rope-shaped steel cord, an over-twister 4 for eliminating residual torsional stress in the rope-shaped steel cord and a traction device for drawing the rope-shaped steel cord to move, and the traction device comprises a main traction wheel 5-2, a first auxiliary traction wheel 5-1, a second auxiliary traction wheel 5-3 and a speed changer for driving the main traction wheel 5-2 to rotate; the rope-shaped steel cord passing through the over-twister 4 is sequentially wound back and forth several times on the surfaces of the first slave traction wheel 5-1 and the master traction wheel 5-2, and then the rope-shaped steel cord is sequentially wound back and forth several times on the surfaces of the master traction wheel 5-2 and the second slave traction wheel 5-3; the main traction wheel 5-2 drives the first slave traction wheel 5-1 and the second slave traction wheel 5-3 to rotate under the static friction force through the rope-shaped steel cord. The over-twisting device 4 is connected with a motor and is driven to operate by the motor.
The traction device provided by the utility model is additionally provided with the second slave traction wheel 5-3, so that the phenomena of reduction of the linear speed of the steel cord and unqualified lay length of the steel cord caused by abrasion of the traction wheel and slipping of the steel cord on the traction wheel can be effectively avoided. Furthermore, the method is simple. Slipping of the steel cord also causes variations in the cord traction tension, which in turn leads to unacceptable steel cord elongation.
The rope-shaped steel cord passing through the over-twister 4 is sequentially wound on the surfaces of the first slave traction wheel 5-1 and the master traction wheel 5-2 back and forth for a plurality of turns, and then is wound between the master traction wheel 5-2 and the second slave traction wheel 5-3 for a plurality of turns. The static friction force between the rope-shaped steel cord and the traction wheel can be enhanced by winding for a plurality of circles. The speed changer drives the main traction wheel 5-2 to rotate, and when the main traction wheel 5-2 rotates, the rope-shaped steel cord wound on the surface of the main traction wheel 5-2 moves along with the rope-shaped steel cord under the action of static friction force; the first slave traction wheel 5-1 and the second slave traction wheel 5-3 rotate along with the moving rope-shaped steel cord by static friction force, the rope-shaped steel cord close to the first slave traction wheel 5-1 is paid out, and the rope-shaped steel cord close to the second slave traction wheel 5-3 is reeled in, thereby realizing the rope-shaped steel cord traction function.
And a speed changer is used as a driving force to drive a main traction wheel 5-2 to rotate, and then the rope-shaped steel cord is driven to move, and further two auxiliary traction wheels are driven to rotate. Compared with one traction wheel in the prior art, the two slave traction wheels have higher error prevention probability, and when one slave traction wheel slips on the surface of the traction wheel, the other slave traction wheel can pull the movement of the rope-shaped steel cord.
Further, a rotating shaft is arranged in the center of the main traction wheel 5-2, and the input end of the rotating shaft is coaxially connected with the output end of the speed changer 6; the speed changer 6 is fixedly arranged with the frame 10, and the speed changer 6 is positioned below the main traction wheel 5-2. In this way, the transmission 6 can drive the main traction wheel 5-2 to rotate. The traction speed of the traction device to the steel cord can be controlled by adjusting the rotating speed of the speed changer 6, and then the cord lay length can be adjusted.
Furthermore, the first driven traction wheel 5-1 and the second driven traction wheel 5-3 are both rotatably provided with one end of a mandrel, and the other end of the mandrel is fixedly arranged on the frame 10. In this way, the first slave traction wheel 5-1 and the second slave traction wheel 5-3 can rotate under the action of the moving rope-shaped steel cord, so as to further pull the rope-shaped steel cord.
Further, cord grooves are formed in the surfaces of the main traction wheel 5-2, the first slave traction wheel 5-1 and the second slave traction wheel 5-3 and used for separating the rope-shaped steel cords wound back and forth; and a single wound rope-shaped steel cord is embedded into the single cord groove. The cord grooves can separate the rope-shaped steel cords wound back and forth on one hand, and can facilitate winding of the rope-shaped steel cords on the other hand.
Further, the diameter of the first slave traction wheel 5-1 is the same as that of the second slave traction wheel 5-3, and the distance from the first slave traction wheel 5-1 to the main traction wheel 5-2 is the same as that from the second slave traction wheel 5-3 to the main traction wheel 5-2. Through the above manner, it can be determined that the moving length of the rope-shaped steel cord on the first slave traction wheel 5-1 is the same as that of the rope-shaped steel cord on the second slave traction wheel 5-3 when the master traction wheel 5-2 rotates, thereby ensuring smooth movement of the rope-shaped steel cord.
Further, the number of times of the rope-shaped steel cord is sequentially wound back and forth on the surfaces of the first slave traction wheel 5-1 and the main traction wheel 5-2 is a winding number a, the number of times of the rope-shaped steel cord is sequentially wound back and forth on the surfaces of the main traction wheel 5-2 and the second slave traction wheel 5-3 is a winding number B, and the winding number a is the same as the winding number B.
Further, the wire guide device also comprises a wire guide wheel 7, a wire arranging device 8 and a wire collecting assembly 9 which are sequentially arranged on the rack 10; the thread passing wheel 7 is positioned on one side of the traction device, and the thread passing wheel 7 is positioned above the first secondary traction wheel 5-1; the wire arranging device 8 and the wire collecting assembly 9 are both positioned on the other side of the traction device; the rope-shaped steel cord is sequentially wound around the wire wheel 7 and the wire arranging device 8 and is wound with the wire collecting component 9. The thread passing wheel 7 can change the thread passing angle of the rope-shaped steel cord, so that the rope-shaped steel cord can pass around the wire arranging device 8. The wire arranging device 8 and the wire winding component 9 can wind the rope-shaped steel cord on the wire winding spool uniformly.
Further, the frame 10 is coaxially and rotatably provided with a left main shaft and a right main shaft, and the double-twister rotating body 1 is arranged between the left main shaft and the right main shaft; a left main shaft pulley 3 is arranged in the left main shaft, a right main shaft pulley 2 is arranged in the right main shaft, and a paying-off spool is arranged in the double-twisting machine rotating body 1. The double-twisting machine rotating body 1 is an important part of the double-twisting machine, a paying-off I-shaped wheel is placed inside the double-twisting machine rotating body 1, and the paying-off I-shaped wheel can pay off the rope-shaped steel cord. The rope-shaped steel cord generates 2 lay lengths every 1 rotation of the two-twister rotating body 1.
Further, the first slave traction wheel 5-1 and the main traction wheel 5-2 are positioned on the same horizontal line, and the second slave traction wheel 5-3 is positioned right above the main traction wheel 5-2. The mode is one of a mode that the main traction wheel 5-2, the first auxiliary traction wheel 5-1 and the second auxiliary traction wheel 5-3 are arranged in a triangle, namely the three modes are arranged in a right-angled triangle.
The working process is as follows:
the double twister rotating body twists a plurality of monofilaments into a single rope-shaped steel cord, then the rope-shaped steel cord passes through the left main shaft pulley, and then the rope-shaped steel cord passing through the twister 4 sequentially reciprocates on the surfaces of the first slave traction wheel 5-1 and the master traction wheel 5-2 for a plurality of turns, and then reciprocates between the master traction wheel 5-2 and the second slave traction wheel 5-3 for a plurality of turns. The static friction force between the rope-shaped steel cord and the traction wheel can be enhanced by winding for a plurality of circles. The speed changer drives the main traction wheel 5-2 to rotate, and when the main traction wheel 5-2 rotates, the rope-shaped steel cord wound on the surface of the main traction wheel 5-2 moves along with the rope-shaped steel cord under the action of static friction force; the first slave traction wheel 5-1 and the second slave traction wheel 5-3 rotate along with the moving rope-shaped steel cord by static friction force, the rope-shaped steel cord close to the first slave traction wheel 5-1 is paid out, and the rope-shaped steel cord close to the second slave traction wheel 5-3 is reeled in, thereby realizing the rope-shaped steel cord traction function.
The rope-shaped steel cord is wound out from the second secondary traction wheel 5-3, then bypasses the wire passing wheel 7, and then is uniformly wound on the wire collecting spool through the wire arranging device 8 and the wire collecting combination 9.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A double-twister combined traction device for producing a high-elongation steel cord comprises a rack, wherein a double-twister rotating body for twisting a plurality of monofilaments into a single rope-shaped steel cord, a twister for eliminating residual torsional stress in the rope-shaped steel cord and a traction device for drawing the rope-shaped steel cord to move are sequentially arranged on the rack; the rope-shaped steel cord passing through the over-twister is sequentially wound on the surfaces of the first slave traction wheel and the master traction wheel back and forth for a plurality of times, and then the rope-shaped steel cord is sequentially wound on the surfaces of the master traction wheel and the second slave traction wheel back and forth for a plurality of times; the main traction wheel drives the first driven traction wheel and the second driven traction wheel to rotate under the action of static friction force through the rope-shaped steel cord.
2. A combined traction apparatus of a two-twisting machine for manufacturing a high elongation steel cord according to claim 1, wherein a rotation shaft is provided at the center of the main traction wheel, and an input end of the rotation shaft is coaxially connected to an output end of the speed changer; the speed changer is fixedly arranged with the frame.
3. A combined traction apparatus of a two-twisting machine for manufacturing a high elongation steel cord according to claim 1, wherein said first driven traction wheel and said second driven traction wheel are rotated at one end thereof provided with a spindle, and the other end of said spindle is fixed to said frame.
4. A combined traction apparatus of a double twister for making a high elongation steel cord according to claim 1, wherein said main traction wheel, said first slave traction wheel and said second slave traction wheel are provided with cord grooves on their surfaces for separating said rope-like steel cord wound back and forth; and a single wound rope-shaped steel cord is embedded into the single cord groove.
5. A combined pulling apparatus of a double twister for the production of high elongation steel cords as claimed in claim 1, wherein said first slave pulling wheel and said second slave pulling wheel have the same diameter and the distance of said first slave pulling wheel from said master pulling wheel is the same as the distance of said second slave pulling wheel from said master pulling wheel.
6. The combined pulling apparatus of a double twister for the production of a high elongation steel cord according to claim 1, wherein the number of times said rope-shaped steel cord is sequentially wound back and forth on the surface of both said first slave traction wheel and said master traction wheel is winding number a, the number of times said rope-shaped steel cord is sequentially wound back and forth on the surface of both said master traction wheel and said second slave traction wheel is winding number B, and said winding number a is the same as said winding number B.
7. The combined traction device of the double twister for producing the high-elongation steel cord as claimed in claim 1, further comprising a wire passing wheel, a wire arranging device and a wire collecting device which are sequentially arranged on the frame; the wire passing wheel is positioned on one side of the traction device and is positioned above the first driven traction wheel; the wire arranging device and the wire collecting assembly are positioned on the other side of the traction device; the rope-shaped steel cord is wound around the wire passing wheel and the wire arranging device in sequence and is wound with the winding device.
8. The combined traction apparatus of a double twister for manufacturing a high elongation steel cord according to claim 1, wherein said frame is coaxially and rotatably provided with a left main shaft and a right main shaft, and said double twister rotating body is provided between said left main shaft and said right main shaft; a left main shaft pulley is arranged in the left main shaft, a right main shaft pulley is arranged in the right main shaft, and a paying-off spool is arranged in the rotating body of the double twisting machine.
9. A combined pulling apparatus for a double twister for manufacturing a high elongation steel cord according to claim 1, wherein said first slave pulling wheel is located on the same horizontal line as said master pulling wheel, and said second slave pulling wheel is located right above said master pulling wheel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121474251.5U CN216156239U (en) | 2021-06-30 | 2021-06-30 | Double-twisting machine combined traction device for producing high-elongation steel cord |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121474251.5U CN216156239U (en) | 2021-06-30 | 2021-06-30 | Double-twisting machine combined traction device for producing high-elongation steel cord |
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| CN216156239U true CN216156239U (en) | 2022-04-01 |
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| CN202121474251.5U Active CN216156239U (en) | 2021-06-30 | 2021-06-30 | Double-twisting machine combined traction device for producing high-elongation steel cord |
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2021
- 2021-06-30 CN CN202121474251.5U patent/CN216156239U/en active Active
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