CN114086284B - Broken wire prevention double twisting machine - Google Patents
Broken wire prevention double twisting machine Download PDFInfo
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- CN114086284B CN114086284B CN202111374788.9A CN202111374788A CN114086284B CN 114086284 B CN114086284 B CN 114086284B CN 202111374788 A CN202111374788 A CN 202111374788A CN 114086284 B CN114086284 B CN 114086284B
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- 230000002265 prevention Effects 0.000 title description 4
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 238000013016 damping Methods 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 38
- 239000010959 steel Substances 0.000 abstract description 38
- 241001391944 Commicarpus scandens Species 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005187 foaming Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/10—Tension devices
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/08—Twist arresters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention relates to the field of machining, in particular to an anti-breakage double-twisting machine, which is provided with a rotary untwisting device, wherein a cradle is connected to a rack through a rotary shaft, and a paying-off spool is connected with the rotary shaft penetrating through the cradle, so that the torsional stress of monofilaments in the twisting process is eliminated through rotary untwisting, the torsional deformation of steel wires is reduced, and the stress of the steel wires is prevented from changing; simultaneously, a tension control device is arranged, tension is regulated to be in a constant range, paying-off tension is balanced, yarn breakage caused by uneven tension is avoided, the defects that the steel wire is easy to break in the twisting process due to abrasion with a wire coil and torsional deformation of the steel wire during the traditional double twisting machine processing are overcome, the stress and the tension of the steel wire can change relatively greatly, no feedback exists on the stress and the tension in the whole production process, the quality of a product is seriously affected, and the steel wire is easy to break in the twisting process are overcome.
Description
Technical Field
The invention relates to the field of machining, in particular to an anti-breakage double twisting machine.
Background
The twisting is an indispensable process in the processing of the steel wire rope, while the double twisting machine is a processing machine for twisting, the efficiency of producing the steel wire rope by the double twisting machine is more than 3 times of that of the tubular twisting machine, and the twisting tension of the double twisting machine is easier to control and the twisting quality is better than that of the tubular twisting machine. Because the quality requirement on the steel wire for the steel wire rope double twisting machine is quite strict, the steel wire rope is produced by the double twisting machine, if the steel wire has small defects such as inclusion, nick, internal crack, scratch, diameter non-uniformity, stress concentration can be caused, thereby causing breakage of the steel wire, once the broken wire is generated, the double twisting machine is stopped, an operator needs to rewire, and meanwhile, the steel wire rope of the broken wire part is removed, so that the work load of the operator is large, and the production efficiency and the comprehensive yield of the steel wire rope are seriously influenced. Taking a large-scale wire rope double twisting machine with the stepless twisting length of application number CN202110763155.0 as an example, the technical characteristics of a paying-off mechanism, a line collecting mechanism, an outer twisting mechanism, a line collecting mechanism and the like are disclosed, the stepless twisting length changing effect can be achieved, the change of the twisting length gear transmission ratio is not needed to be replaced, the operation is simple, but after the device works for a certain time during processing, the device is worn out with a wire coil, the torsion deformation of the wire occurs, the stress and the tension of the wire can be changed relatively greatly, no feedback exists on the change of the stress and the tension in the whole production process, the quality of a product is seriously influenced, and the wire is easy to break during the twisting process.
Disclosure of Invention
The invention aims to make up the defects of the prior art, and provides an anti-breakage double-twisting machine, which aims to solve the problems that the existing double-twisting machine is worn away from a wire coil and the steel wire is twisted and deformed, the stress and the tension of the steel wire can be changed greatly, the whole production process has no feedback on the change of the stress and the tension, the quality of a product is seriously influenced, and the steel wire is easy to break in the twisting process.
Specifically, the technical scheme of the invention is as follows:
an anti-breakage double twisting machine is used for twisting a plurality of single silk yarns into one strand; the double twisting machine comprises a plurality of paying-off devices, an over-twisting device and a twisting host machine, wherein the twisting host machine comprises a main shaft, a flywheel disc connected with the main shaft, a traction assembly and a wire collecting assembly, the over-twisting device comprises a wire collecting nozzle and an over-twisting device, the paying-off devices comprise a frame, a rotary untwisting device is arranged in the frame, the rotary untwisting device is of a double-layer structure, a plurality of cradles are arranged on the upper layer of the rotary untwisting device in parallel, a lifting device is arranged on the lower layer of the cradle, two sides of the cradle are connected with the frame through a rotary shaft, an wire-releasing spool is arranged in the cradle, the wire-releasing spool is connected with a rotary shaft penetrating through the cradles, and tension control devices are arranged on two sides of the rotary shaft.
Further, the tension control device comprises damping discs arranged on two sides of the rotating shaft, a chain is wound on the outer edge of each damping disc, a plurality of damping blocks are arranged between each chain and each damping disc, each chain is connected with a tension spring through a vertically arranged lever, the other side of each tension spring is fixed on the corresponding frame through an adjusting bolt, when the tension of the steel wire fluctuates, each damping block and each damping disc can generate certain pre-friction resistance, meanwhile, the springs, the levers and the chains can relatively move to rebalance the tension, and the tension can be basically maintained to be constant +/-8%. The extension spring is connected with an adjusting bolt arranged on the frame so as to conveniently adjust the elasticity of the extension spring.
Further, pay-off with still include a tension equalizing device between the device that twists excessively, be equipped with a friction in the tension equalizing device and cross the line wheelset, the friction is crossed and is had the damping moment in the line wheelset, makes single silk have controllable tension, friction is crossed line wheelset one side and is equipped with tension detection device, can detect tension size, friction is crossed the line wheelset another side and is connected the friction cylinder, the friction cylinder has connect a pneumatic proportional valve, can automatically regulated pressure in the pneumatic proportional valve, feeds back in the friction cylinder, and then adjusts the friction cylinder and cross line wheelset position change tension with the regulation friction.
Further, a wire distributing disc is arranged between the paying-off device and the over-twisting device, a plurality of threading holes are formed in the wire distributing disc, the threading holes are distributed with oblique angles identical to the twisting angles, and the threading holes are inlaid with wire guide wheels.
Further, a twisting wheel with left twisting and a loosening wheel with right twisting are sequentially arranged in the over-twister according to the processing sequence, the twisting wheel and the loosening wheel are both arranged in a longitudinal through groove, the winding paths of the twisting wheel and the loosening wheel are in an 8 shape, and the over-twister can eliminate the phenomenon that part of redundant steel wires are accumulated slowly under the condition that the twisting distance and the twisting angle are different and cannot be eliminated in strands, and the excessive steel wires are extruded to the original position when reaching a certain amount and run to the surface of the strands, so that foaming is accumulated slowly.
Further, the traction assembly comprises a main shaft guide wheel arranged on the main shaft and a wire passing wheel arranged in the cradle frame, the wire collecting assembly comprises a wire arrangement device and a wire collecting spool, the wire arrangement device comprises a wire arrangement support, a screw rod module is arranged on the wire arrangement support, and a wire arrangement device and a wire arrangement guide wheel matched with the wire arrangement device are arranged on the screw rod module.
Further, still include a PLC system in the anti-breakage double twisting machine, pay-off the device of twisting with all be equipped with the converter in the twisting host computer, the PLC system adopts RS485 communication control the operating frequency and the operating torque of converter, operating personnel can modify the coefficient of twisting, utilizes the PLC system to calculate corresponding electronic gear ratio to adjust the speed of twisting excessively to and when twisting host computer receives the line, through control torque, guarantee the wire winding tension, and RS485 communication system operation is stable, interference killing feature is strong, and communication rate is high.
Further, the yarn breakage detection device is arranged at the outlet of the twisting host machine and comprises a movable lining pipe and an induction iron ring, the yarn breakage detection device is electrically connected with the PLC system, and can timely detect yarn breakage according to yarn breakage during yarn breakage and feed back to the PLC system, and the PLC system detects yarn breakage reasons.
The invention has the beneficial effects that the rotary back-twisting device is arranged, the cradle is connected to the frame through the rotating shaft, the paying-off spool is connected with the rotating shaft penetrating through the cradle, the rotating shaft drives the cradle to rotate in the reverse direction of subsequent twisting, and the pre-twisting deformation of the monofilaments is generated, so that the twisting stress of the monofilaments in the twisting process is eliminated through the rotary back-twisting, the twisting deformation of the steel wires is reduced, and the stress change of the steel wires is avoided; simultaneously, a tension control device is arranged, tension is regulated to be in a constant range, paying-off tension is balanced, yarn breakage caused by uneven tension is avoided, the defects that the steel wire is easy to break in the twisting process due to abrasion with a wire coil and torsional deformation of the steel wire during the traditional double twisting machine processing are overcome, the stress and the tension of the steel wire can change relatively greatly, no feedback exists on the stress and the tension in the whole production process, the quality of a product is seriously affected, and the steel wire is easy to break in the twisting process are overcome.
Drawings
Fig. 1 is a schematic structural diagram of a broken yarn prevention double twisting machine according to a first embodiment.
Fig. 2 is a schematic structural diagram of a pay-off device according to the first embodiment.
Fig. 3 is a schematic view of the structure of the over-twister according to the first embodiment.
Fig. 4 is a schematic diagram of a twisting frame according to a first embodiment
In the figure: the device comprises a paying-off device 1, an over-twisting device 2, a 3-twisting host machine, a 4 frame, a 5 cradle, a 6 lifting device, a 7 rotating shaft, an 8-paying-off spool, a 9 rotating shaft, a 10-tension control device, an 11-wire distributing disc, a 12-twisting wheel, a 13-twisting wheel, a 14-spindle guide wheel, a 15-wire-passing wheel, a 16-wire arranging device and a 17-winding spool.
Detailed Description
The embodiments described below are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present embodiment provides an anti-breakage double twisting machine for twisting a plurality of single steel wires into one strand; the anti-breakage double twisting machine comprises a plurality of paying-off devices 1, an over-twisting device 2 and a twisting host machine 3.
Referring to fig. 4, the twisting host 3 includes a spindle, a flywheel disc connected to the spindle, a traction assembly and a winding assembly, the traction assembly includes a spindle guide wheel 14 disposed on the spindle and a winding wheel 15 disposed in the cradle frame, the winding assembly includes a winding device 16 and a winding spool 17, the winding device includes a winding bracket, a lead screw module is disposed on the winding bracket, and a winding device and a winding guide wheel matched with the winding device are disposed on the lead screw module.
The yarn breakage detection device comprises a movable inner liner tube and an induction iron ring, a PLC system is further arranged in the yarn breakage prevention double-twisting machine, the yarn breakage detection device is electrically connected with the PLC system, the yarn breakage condition can be timely detected according to yarn breakage during yarn breakage, the yarn breakage condition is fed back to the PLC system, and the reason of the yarn breakage is detected by the PLC system. The paying-off device, the over-twisting device and the twisting host are internally provided with frequency converters, the PLC system adopts RS485 communication to control the operation frequency and the operation torque of the frequency converters, operators can modify the over-twisting coefficient, the corresponding electronic gear ratio is calculated by the PLC system so as to adjust the over-twisting speed, and when the twisting host is used for taking up wires, the taking-up tension is ensured by controlling the torque, and the RS485 communication system is stable in operation, high in anti-interference capability and high in communication rate.
The over-twisting device 2 comprises a wire collecting nozzle and an over-twisting device, referring to fig. 3, a left-twisting wheel 12 and a right-twisting loose twisting wheel 13 are sequentially arranged in the over-twisting device according to the processing sequence, the twisting wheel 12 and the loose twisting wheel 13 are both arranged in a longitudinal through groove, the winding paths of the twisting wheel 12 and the loose twisting wheel 13 are in an 8 shape, and by arranging the over-twisting device, the phenomenon that part of redundant steel wires are accumulated slowly under the condition that the part of redundant steel wires cannot be eliminated in a strand due to different twisting lengths and twisting angles, the excessive steel wires are extruded to the original positions when a certain amount of steel wires are extruded, and the phenomenon of foaming is accumulated slowly.
Referring to fig. 2, the paying-off device 1 includes a frame 4, a rotary untwisting device is disposed in the frame, the rotary untwisting device is of a double-layer structure, a plurality of cradles 5 disposed in parallel are disposed on an upper layer of the rotary untwisting device, a lifting device 6 is disposed on a lower layer of the rotary untwisting device, two sides of the cradles 5 are connected with the frame 4 through a rotating shaft 7, a paying-off spool 8 is disposed in the cradles 5, the paying-off spool 8 is connected with a rotating shaft 9 penetrating through the cradles 5, the rotating shaft 7 drives the cradles 5 to rotate in a reverse direction to generate pretwisting deformation of monofilaments, the paying-off spool 8 is driven to rotate and paying-off by paying-off tension on the cradle 5, and the monofilaments on the paying-off spool 8 are reversely rotated for 360 ° to eliminate torsional stress every time the cradles 5 rotate one round.
The tension control device 10 is connected to two sides of the rotating shaft 9, the tension control device 10 comprises damping discs arranged on two sides of the rotating shaft, a chain is wound on the outer edge of each damping disc, a plurality of damping blocks are arranged between each chain and each damping disc, the chain is connected with a tension spring through a vertically arranged lever, the other side of each tension spring is fixed on the frame through an adjusting bolt, when the tension of the steel wire fluctuates, the damping blocks and the damping discs can generate certain pre-friction resistance, meanwhile, the springs, the levers and the chains can perform relative motion to balance the tension again, and the tension can be basically maintained to be constant +/-8% through the pre-friction force. The tension spring is connected with an adjusting bolt arranged on the frame so as to conveniently adjust the elasticity of the tension spring to maintain the relative position of the spring and the lever and ensure that the tension is in a constant range.
The paying-off device and the twisting device are internally provided with a friction wire wheel set, the friction wire wheel set is internally provided with a damping moment, a single wire is provided with controllable tension, one side of the friction wire wheel set is provided with a tension detection device, the tension can be detected, the other side of the friction wire wheel set is connected with a friction cylinder, the friction cylinder is connected with a pneumatic proportional valve, the pressure in the pneumatic proportional valve can be automatically regulated, the friction cylinder is fed back to the friction cylinder, and the friction cylinder is regulated to regulate the position of the friction wire wheel set to change the tension.
The pay-off with be equipped with a wire distribution board 11 between the device that twists excessively, it has a plurality of through wires holes to open on the wire distribution board 11, the through wires hole distributes and has the oblique angle the same with the angle of twisting, wire guide pulley has been inlayed to the through wires hole department, compares with the carbide mouth that the through wires hole set up in traditional wire distribution board 11, has changed the friction form, changes the sliding friction of steel wire and carbide mouth into steel wire and wire guide pulley rolling friction, has reduced the frictional resistance when twisting, has improved the operating condition when the steel wire is processed.
The invention has compact structure, the rotary untwisting device is arranged, the cradle is connected to the frame through the rotating shaft, the paying-off spool is connected with the rotating shaft penetrating through the cradle, the rotating shaft is arranged to drive the cradle to rotate in the reverse direction of subsequent twisting to generate pre-torsion deformation of the monofilaments, the paying-off spool is driven to rotate and pay off by paying-off tension on the paying-off spool, and the monofilaments on the paying-off spool are reversely rotated for 360 degrees to eliminate torsion stress when the cradle rotates for each circle so as to eliminate the torsion stress of the monofilaments in the twisting process through the rotary untwisting, reduce the torsion deformation of the steel wires and avoid the stress change of the steel wires; simultaneously, a tension control device is arranged, tension is adjusted to be in a constant range, paying-off tension is balanced, and broken wires caused by uneven tension are avoided.
The foregoing disclosure is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (3)
1. An anti-breakage double twisting machine is used for twisting a plurality of single silk yarns into one strand; the anti-breakage double-twisting machine comprises a plurality of paying-off devices, an over-twisting device and a twisting host machine, wherein the twisting host machine comprises a main shaft, a flywheel disc connected with the main shaft, a traction assembly and a wire receiving assembly, and is characterized in that the over-twisting device comprises a wire collecting nozzle and an over-twisting device, the paying-off devices comprise a frame, a rotary untwisting device is arranged in the frame, the rotary untwisting device is of a double-layer structure, a plurality of cradles arranged in parallel are arranged on the upper layer of the rotary untwisting device, a lifting device is arranged on the lower layer of the rotary untwisting device, two sides of each cradle are connected with the frame through a rotary shaft, an paying-off spool is arranged in each cradle and connected with a rotary shaft penetrating through the cradle, tension control devices are connected to two sides of the rotary shaft, a chain is wound on the outer edge of each damping disc, a plurality of damping blocks are arranged between each chain and the damping disc, a stretching spring is connected to the other through a vertically arranged lever, and the tension spring is fixed to the frame through a regulating bolt;
the anti-breakage double-twisting machine further comprises a PLC system, frequency converters are arranged in the paying-off device, the over-twisting device and the twisting host, and the PLC system adopts RS485 communication to control the operation frequency and the operation torque of the frequency converters; wherein,,
the device comprises a twisting host machine, a PLC system, a wire breakage detection device, a wire breakage control device and a wire breakage control device, wherein the wire breakage detection device is arranged at the outlet of the twisting host machine and comprises a movable lining pipe and an induction iron ring, and is electrically connected with the PLC system, can timely detect the wire breakage condition according to wire breakage during wire breakage, and feeds back to the PLC system, and the PLC system detects the wire breakage reason; and, in addition, the method comprises the steps of,
the twisting device is internally provided with a left twisting wheel and a right twisting loose wheel in sequence according to the processing sequence, the twisting wheel and the loose twisting wheel are both arranged in a longitudinal through groove, and the winding paths of the twisting wheel and the loose twisting wheel are in an 8 shape; the traction assembly comprises a main shaft guide wheel arranged on the main shaft and a wire passing wheel arranged in the cradle frame, the wire collecting assembly comprises a wire arrangement device and a wire collecting spool, the wire arrangement device comprises a wire arrangement support, a screw rod module is arranged on the wire arrangement support, and a wire arrangement device and a wire arrangement guide wheel matched with the wire arrangement device are arranged on the screw rod module.
2. The yarn breakage preventing double twisting machine according to claim 1, wherein a tension balancing device is further arranged between the paying-off device and the twisting device, a friction yarn passing wheel set is arranged in the tension balancing device, damping moment is arranged in the friction yarn passing wheel set, a tension detecting device is arranged on one side of the friction yarn passing wheel set, a friction cylinder is connected on the other side of the friction yarn passing wheel set, and a pneumatic proportional valve is connected to the friction cylinder.
3. The anti-breakage double twisting machine according to claim 1, wherein a wire distribution disc is arranged between the paying-off device and the over-twisting device, a plurality of threading holes are formed in the wire distribution disc, the threading holes are distributed with an oblique angle identical to a twisting angle, and wire guide wheels are inlaid in the threading holes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111374788.9A CN114086284B (en) | 2021-11-18 | 2021-11-18 | Broken wire prevention double twisting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111374788.9A CN114086284B (en) | 2021-11-18 | 2021-11-18 | Broken wire prevention double twisting machine |
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| CN114086284A CN114086284A (en) | 2022-02-25 |
| CN114086284B true CN114086284B (en) | 2023-09-05 |
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| CN107814270A (en) * | 2017-11-20 | 2018-03-20 | 江苏赛福天钢索股份有限公司 | Steel wire rope stranding machine and its paying-off tension control device |
| JP2019137947A (en) * | 2018-02-13 | 2019-08-22 | 住友電気工業株式会社 | Manufacturing method of twisted wire and twisting machine |
| CN209275864U (en) * | 2018-12-25 | 2019-08-20 | 东营宏源机械设备有限公司 | A kind of chain-type strander tension adjustment actinobacillus device |
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| CN114086284A (en) | 2022-02-25 |
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