CN112342647A - External-releasing and internal-contracting type double-twisting machine directly driven by motor and wire-collecting cradle device thereof - Google Patents
External-releasing and internal-contracting type double-twisting machine directly driven by motor and wire-collecting cradle device thereof Download PDFInfo
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- CN112342647A CN112342647A CN202011204499.XA CN202011204499A CN112342647A CN 112342647 A CN112342647 A CN 112342647A CN 202011204499 A CN202011204499 A CN 202011204499A CN 112342647 A CN112342647 A CN 112342647A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/36—Package-shaping arrangements, e.g. building motions, e.g. control for the traversing stroke of ring rails; Stopping ring rails in a predetermined position
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/20—Driving or stopping arrangements
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- Textile Engineering (AREA)
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Abstract
The invention discloses an external-release and internal-contraction type double-twisting machine directly driven by a motor and a wire-collecting cradle device thereof, wherein the wire-collecting cradle device comprises a rack, a rotating shaft assembly, a cradle assembly and a conductive sliding ring assembly; the rotating shaft assembly comprises a rotating shaft and a flywheel disc assembly, and the flywheel disc assembly comprises two flywheel discs fixedly arranged on the rotating shaft; the cradle assembly comprises a cradle frame which is positioned between two flywheel discs and is movably connected with the rotating shaft, and a traction assembly, an over-twisting assembly, a wire arrangement assembly and a wire take-up spool assembly are arranged on the cradle frame and are directly driven by motors which are independently arranged respectively; the conductive slip ring assembly establishes a current transmission path from the exterior of the cradle assembly to each motor on the cradle frame through the conductive slip rings arranged in pairs. The cradle assembly is directly driven by the independent motor instead of the transmission part, so that the transmission system is greatly simplified, and the problems of complex structure and high failure rate of the original transmission system are solved.
Description
Technical Field
The invention relates to an external and internal contraction type double-twisting machine, in particular to an external and internal contraction type double-twisting machine directly driven by a motor and a winding cradle device thereof.
Background
The existing double-twisting machine adopts mechanical step-by-step transmission, namely, a synchronous belt and a belt wheel drive a reduction box step by step to drive a wire arranging device and a spool to take up wire, and the whole transmission system is complex. The transmission system can meet the twisting requirement of common steel wire ropes, but for a double-twisting machine used for stranding large-scale steel wire rope cable products, the diameter of the steel wire ropes produced by twisting is generally more than 8mm, the traction force is generally more than 8000N, and the existing take-up transmission system has the following problems: 1) because the transmission of each level is mutually related, the cradle has huge and complex structure and large processing difficulty; 2) the transmission synchronous belt is very easy to damage when working in the environment with much grease, large dust and high temperature; 3) the belt wheel has high power consumption, the phenomenon of tooth breakage occurs sometimes, and the failure rate is high. Therefore, the existing take-up transmission system of the double-twisting machine cannot meet the requirement of large-scale steel wire rope stranding production.
Disclosure of Invention
The invention aims to provide an external-releasing and internal-contracting type double-twisting machine directly driven by a motor and capable of meeting the requirement of large-scale steel wire rope stranding production, which has a simple structure, and a wire-collecting cradle device thereof.
In order to achieve the purpose, the invention designs a wire-collecting cradle device of an external-placing and internal-contracting type double-twisting machine, which comprises a rack, a rotating shaft assembly, a cradle assembly and a conductive sliding ring assembly; the rotating shaft assembly comprises a rotating shaft and a flywheel disc assembly, the rotating shaft is rotatably arranged on the rack, and the flywheel disc assembly comprises two flywheel discs fixedly arranged on the rotating shaft; the cradle assembly comprises a cradle frame which is positioned between two flywheel discs and is movably connected with the rotating shaft, and a traction assembly, an over-twisting assembly, a wire arrangement assembly and a wire take-up spool assembly are arranged on the cradle frame; the traction assembly comprises a traction motor and a traction wheel, and the traction motor is in transmission connection with the traction wheel; the over-twisting assembly comprises an over-twisting motor and an over-twisting device, and the over-twisting motor is in transmission connection with the over-twisting device; the wire arranging assembly comprises a wire arranging motor and a wire arranging device, and the wire arranging motor is in transmission connection with the wire arranging device; the wire take-up spool assembly comprises a wire take-up motor and a wire take-up spool, and the wire take-up motor is in transmission connection with the wire take-up spool; the conductive slip ring assembly comprises two conductive slip rings (single-side power supply) which are arranged on the inner side and the outer side of one flywheel panel in pairs, or four conductive slip rings (two-side power supply) which are arranged on the inner side and the outer side of the two flywheel panels in pairs, and a current transmission path from the outside of the cradle assembly to each motor on the cradle frame is established through the conductive slip rings which are arranged in pairs.
Preferably, each conductive slip ring has a stator and a rotor, the stator and the rotor are connected through at least one conductive channel, and each of the stator and the rotor has at least one conductive joint connected with the conductive channel; the two paired conductive slip rings are respectively positioned at the outer side and the inner side of the flywheel disc, wherein a stator of the conductive slip ring positioned at the outer side of the flywheel disc is fixed on the rack, and a conductive connector on the stator is led to the outside through a cable; the stator of the conductive slip ring positioned on the inner side of the flywheel disc is fixed on the cradle frame, and conductive connectors on the stator are connected with motors on the cradle frame through cables; meanwhile, rotors of two paired conductive slip rings are respectively fixed on the rotating shaft and synchronously rotate with the rotating shaft, and conductive connectors of the two conductive slip rings are connected through cables crossing the flywheel disc, so that a current transmission path from the outside of the cradle assembly to each motor on the cradle frame is established.
Preferably, the conductive slip ring has multiple conductive paths, forming multiple current transmission paths from the exterior of the bassinet assembly to each motor on the bassinet frame, wherein a portion of the current transmission paths are used for transmitting power electricity and a portion of the current transmission paths are used for transmitting signal electricity.
Preferably, the conductive slip ring assembly has two pairs of conductive slip rings, wherein one pair of conductive slip rings is used for transmitting power electricity and the other pair of conductive slip rings is used for transmitting signal electricity.
Preferably, the traction wheel comprises a main traction wheel and an auxiliary traction wheel, and the main traction wheel is in transmission connection with the traction motor. The purpose of adopting main and auxiliary traction is to increase the traction wrap angle of the steel wire rope in order to realize the form of winding and routing around the splayed shape, thereby increasing the traction force.
Preferably, a rotating shaft is arranged in the center of the main traction wheel, and the rotating shaft drives the main traction wheel to rotate under the driving of a traction motor; a mandrel is arranged at the center of the auxiliary traction wheel, the inner end of the mandrel is fixed on the cradle frame, and the auxiliary traction wheel can rotate around the mandrel under the action of a steel wire rope; and a reinforcing connecting rod is arranged between the mandrel and the main traction wheel, one end of the reinforcing connecting rod is connected with the outer end of the mandrel, and the other end of the reinforcing connecting rod is connected with a rotating shaft of the main traction wheel through a bearing.
Preferably, the output shaft of the traction motor is connected with the input end of the rotating shaft of the traction wheel through a spline; the over-twisting motor and the over-twisting device are in transmission connection through a synchronous belt; the wire arranging motor is in transmission connection with a lead screw of the wire arranging device through a coupler; the take-up motor is connected with a rotating shaft of the take-up spool through a spline by a coupler.
Preferably, receive line cradle device still includes main motor, be provided with the major axis in the frame, main motor carries out the transmission with the major axis and is connected through the hold-in range, the both ends of major axis carry out the transmission through the rotation axis of hold-in range and cradle assembly one side respectively and are connected.
Preferably, the main motor, the traction motor, the over-twisting motor, the wire arranging motor and the wire winding motor are variable frequency motors or servo motors.
The invention also provides an external-releasing and internal-contracting type double-twisting machine directly driven by the motor, which comprises any one of the winding cradle devices, and the rest parts adopt the existing design of the double-twisting machine.
Compared with the prior art, the invention has the beneficial effects that:
1) the traction assembly, the over-twisting assembly, the wire arrangement assembly and the wire take-up spool assembly on the cradle assembly are changed into be directly driven by an independent motor, so that the transmission system is greatly simplified, and the problems of complex structure and high failure rate of the original transmission system are solved;
2) each motor operates according to a set rotating speed ratio to control the traction, winding displacement, over-twisting and winding speeds, so that the traction, winding displacement, over-twisting and winding speeds are matched, and the function of independently fine-adjusting the rotating speeds of all parts is achieved.
3) The speed ratio of the traction motor and the main motor can be flexibly set, the requirements of different steel cord lay lengths are met by controlling different speed ratio relations of the traction motor and the main motor, and more convenient and flexible lay length control is realized.
4) The pair of conductive slip rings are adopted to realize the cross-cradle power supply, and the problem that the power supply cannot be directly introduced into the cradle assembly due to the rotation of the steel wire rope is solved.
Drawings
Fig. 1 and 2 are a perspective view and a rear view of a wire collecting cradle device according to an embodiment of the invention.
Fig. 3 to 7 are respectively schematic structural diagrams of the traction assembly, the over-twisting assembly, the winding displacement assembly, the winding spool assembly and the conductive slip ring assembly in fig. 1.
Wherein: the cradle comprises a machine frame 100, a rotating shaft assembly 200, a rotating shaft 210, a flywheel disc 220, a bearing seat 230, a cradle assembly 300, a cradle frame 310, a traction assembly 320, a traction motor 321, a main traction wheel 322, an auxiliary traction wheel 323, a reinforcing connecting rod 324, an over-twisting assembly 330, an over-twisting motor 331, an over-twisting device 332, a wire arranging assembly 340, a wire arranging motor 341, a wire arranging device 342, a wire collecting spool assembly 350, a bearing 360, a wire collecting motor 351, a wire collecting spool 352, a conductive slip ring 400, a stator 410, a rotor 420, a conductive joint 430, a cable 440, a mounting bracket 450, a main motor 500, a long shaft 600 and a synchronous belt 700.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1-2, the take-up cradle device of the external-release and internal-contraction type double twister designed by the present invention includes a main motor 500, a frame 100, a rotating shaft assembly 200, a cradle assembly 300, and a conductive slip ring assembly. Wherein:
the rack 100 is provided with a long shaft 600, and the main motor 500 is in transmission connection with the long shaft 600 through a synchronous belt 700.
The rotating shaft assembly 200 includes a left and right rotating shaft 210 and a flywheel disk assembly. The two rotating shafts 210 are rotatably mounted at the left and right ends of the frame 100 through bearing blocks 230, and are in transmission connection with the two ends of the long shaft 600 through synchronous belts 700. The flywheel disc assembly comprises a flywheel disc 220 fixedly mounted on each of two rotatable shafts 210.
The bassinet assembly 300 includes a bassinet frame 310 positioned between two flywheel panels 220 and a traction assembly 320, an over-twist assembly 330, a creel assembly 340, and a take-up spool assembly 350 mounted on the bassinet frame 310. The cradle 310 is movably connected to the rotating shaft 210 through the bearing 360, does not rotate along with the rotating shaft 210, and only slightly shakes under the action of friction.
As shown in fig. 3, the traction assembly 320 includes a traction motor 321, a primary traction wheel 322, and a secondary traction wheel 323. The center of main traction wheel 322 is provided with the pivot, and the pivot input passes through splined connection traction motor 321, drives main traction wheel 322 rotatory under traction motor 321 drives. The center of the auxiliary traction wheel 323 is provided with a mandrel, the inner end of the mandrel is fixed on the cradle frame 310, and the auxiliary traction wheel 323 can rotate around the mandrel under the action of a steel wire rope. A reinforcing connecting rod 324 is arranged between the mandrel and the main traction wheel 322, one end of the reinforcing connecting rod 324 is connected with the outer end of the mandrel through a bearing 360, and the other end of the reinforcing connecting rod 324 is connected with the rotating shaft of the main traction wheel 322 through the bearing 360.
As shown in fig. 4, the over-twisting assembly 330 includes an over-twisting motor 331 and an over-twister 332, which are drivingly connected by a timing belt 700.
As shown in fig. 5, the traverse assembly 340 includes a traverse motor 341 and a traverse 342, and the traverse motor 341 is in transmission connection with a lead screw of the traverse 342 through a coupling.
As shown in fig. 6, the wire take-up spool assembly 350 includes a wire take-up motor 351 and a wire take-up spool 352, and the wire take-up motor 351 is connected to a rotating shaft of the wire take-up spool 352 through a spline by a coupling.
As shown in FIG. 7, the slip ring assembly includes two slip rings 400 arranged in pairs inside and outside of a flywheel panel 220 to establish a current path from the outside of the cradle assembly 300 to each motor on the cradle frame 310. The motor on the cradle frame 310 is isolated from the outside under the influence of the rotating steel wire rope, and the electricity cannot be directly taken from the outside through the single conductive slip ring 400, so that a pair of conductive slip rings 400 is arranged to lead out the circuit to the outer side of the flywheel disc 220, and the electricity is indirectly taken from the outside.
Each slip ring 400 has a stator 410 and a rotor 420, which are connected by multiple conductive paths, and each slip ring 410 and the rotor 420 has a plurality of conductive contacts 430 connected to the conductive paths and corresponding to each other. Two conductive slip rings 400 are located outside and inside flywheel disc 220, respectively, wherein stator 410 of conductive slip ring 400 located outside flywheel disc 220 is fixed on rack 100 by mounting bracket 450, and conductive connector 430 thereon is led to the outside by cable 440. The stator 410 of the slip ring 400 inside the flywheel disc 220 is fixed to the rim 310 by a mounting bracket 450, and the conductive contacts 430 are connected to the motors on the rim 310 by cables 440.
The rotors 420 of the two conductive slip rings 400 are respectively fixed on the rotating shaft 210 and rotate synchronously with the rotating shaft 210, the conductive connectors 430 of the two are connected through cables 440 passing through the through holes on the flywheel disc 220, and both the rotors 420 and the cables 440 rotate along with the rotating shaft 210 during operation, thereby establishing a current transmission path from the outside of the cradle assembly 300 to each motor on the cradle frame 310.
The conductive slip ring 400 has multiple conductive paths, which form multiple current transmission paths from the outside of the cradle assembly 300 to the motors on the cradle frame 310, wherein part of the current transmission paths connect an external power source and the power input terminals of the motors to transmit power electricity, and part of the current transmission paths connect an external PLC and the control signal input terminals of the motors to transmit signal electricity.
The main motor 500, the traction motor 321, the over-twist motor 331 and the take-up motor 351 are variable frequency motors, the wire arranging motor 341 adopts a servo motor, the rotating speed of each motor is controlled by an external PLC, and is set to be a proper rotating speed proportion as required, so that the requirements of different steel cord lay lengths are met, and the matching of the traction, wire arranging, over-twisting and take-up speeds is achieved.
Claims (10)
1. The utility model provides a receive line cradle device of external put adduction type double twister which characterized in that: comprises a frame (100), a rotating shaft assembly (200), a cradle assembly (300) and a conductive slip ring assembly;
the rotating shaft assembly (200) comprises a rotating shaft (210) and a flywheel disc assembly, the rotating shaft (210) is rotatably arranged on the rack (100), and the flywheel disc assembly comprises two flywheel discs (220) fixedly arranged on the rotating shaft (210);
the cradle assembly (300) comprises a cradle frame (310) which is positioned between two flywheel discs (220) and is movably connected with the rotating shaft (210), and a traction assembly (320), an over-twisting assembly (330), a wire arranging assembly (340) and a wire collecting spool assembly (350) are arranged on the cradle frame (310);
the traction assembly (320) comprises a traction motor (321) and a traction wheel, and the traction motor (321) is in transmission connection with the traction wheel;
the over-twisting assembly (330) comprises an over-twisting motor (331) and an over-twisting device (332), wherein the over-twisting motor (331) is in transmission connection with the over-twisting device (332);
the wire arranging assembly (340) comprises a wire arranging motor (341) and a wire arranging device (342), and the wire arranging motor (341) is in transmission connection with the wire arranging device (342);
the wire take-up spool assembly (350) comprises a wire take-up motor (351) and a wire take-up spool (352), and the wire take-up motor (351) is in transmission connection with the wire take-up spool (352);
the conductive slip ring assembly comprises two conductive slip rings (400) which are arranged in pairs on the inner side and the outer side of one flywheel disc (220), or four conductive slip rings (400) which are arranged in pairs on the inner side and the outer side of the two flywheel discs (220), and a current transmission path from the outside of the cradle assembly (300) to each motor on the cradle frame (310) is established through the conductive slip rings (400) which are arranged in pairs.
2. The wire retrieving cradle device according to claim 1, wherein: each conductive slip ring (400) has a stator (410) and a rotor (420), the stator (410) and the rotor (420) are connected by at least one conductive path, and the stator (410) and the rotor (420) are respectively provided with at least one conductive joint (430) connected with the conductive path; the two paired conductive slip rings (400) are respectively positioned at the outer side and the inner side of the flywheel disc (220), wherein, a stator (410) of the conductive slip ring (400) positioned at the outer side of the flywheel disc (220) is fixed on the frame (100), and a conductive connector (430) on the conductive slip ring is led to the outside through a cable (440); the stator (410) of the conductive slip ring (400) positioned on the inner side of the flywheel disc (220) is fixed on the cradle frame (310), and a conductive connector (430) on the stator is connected with each motor on the cradle frame (310) through a cable (440); meanwhile, rotors (420) of two paired conductive slip rings (400) are respectively fixed on the rotating shaft (210) and rotate synchronously with the rotating shaft (210), and conductive joints (430) of the two conductive slip rings are connected through a cable (440) crossing the flywheel disc (220), so that a current transmission path from the outside of the cradle assembly (300) to each motor on the cradle frame (310) is established.
3. The wire retrieving cradle device according to claim 2, wherein: the conductive slip ring (400) is provided with a plurality of conductive channels, and a plurality of current transmission paths from the outside of the cradle assembly (300) to each motor on the cradle frame (310) are formed, wherein a part of the current transmission paths are used for transmitting power electricity, and a part of the current transmission paths are used for transmitting signal electricity.
4. The wire retrieving cradle device according to claim 2, wherein: the slip ring assembly has two pairs of slip rings (400), one pair of slip rings (400) for transmitting power electricity and the other pair of slip rings (400) for transmitting signal electricity.
5. The wire collecting cradle device according to any one of claims 1-4, characterized in that: the traction wheels comprise a main traction wheel (322) and an auxiliary traction wheel (323), and the main traction wheel (322) is in transmission connection with a traction motor (321).
6. The wire retrieving cradle device according to claim 5, wherein: a rotating shaft is arranged in the center of the main traction wheel (322), and the rotating shaft drives the main traction wheel (322) to rotate under the driving of a traction motor (321); a mandrel is arranged at the center of the auxiliary traction wheel (323), the inner end of the mandrel is fixed on the cradle frame (310), and the auxiliary traction wheel (323) can rotate around the mandrel under the action of a steel wire rope; and a reinforcing connecting rod (324) is arranged between the mandrel and the main traction wheel (322), one end of the reinforcing connecting rod (324) is connected with the outer end of the mandrel, and the other end of the reinforcing connecting rod is connected with a rotating shaft of the main traction wheel (322) through a bearing (360).
7. The wire collecting cradle device according to any one of claims 1-4, characterized in that: the output shaft of the traction motor (321) is connected with the input end of the rotating shaft of the traction wheel through a spline; the over-twisting motor (331) and the over-twisting device (332) are in transmission connection through a synchronous belt (700); the wire arranging motor (341) is in transmission connection with a lead screw of the wire arranging device (342) through a coupler; the take-up motor (351) is connected with a rotating shaft of the take-up spool (352) through a spline by a coupler.
8. The wire collecting cradle device according to any one of claims 1-4, characterized in that: receive line cradle device still includes main motor (500), be provided with major axis (600) on frame (100), main motor (500) and major axis (600) carry out the transmission through hold-in range (700) and are connected, the both ends of major axis (600) are respectively through hold-in range (700) and carry out the transmission with rotation axis (210) of cradle assembly (300) one side and be connected.
9. The wire retrieving cradle device according to claim 8, wherein: the main motor (500), the traction motor (321), the over-twisting motor (331), the wire arranging motor (341) and the wire winding motor (351) are variable frequency motors or servo motors.
10. The utility model provides an outer adduction type double twister that puts of motor direct drive which characterized in that: comprising a wire collecting cradle device according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011204499.XA CN112342647B (en) | 2020-11-02 | 2020-11-02 | External-releasing and internal-contracting type double-twisting machine directly driven by motor and wire-collecting cradle device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011204499.XA CN112342647B (en) | 2020-11-02 | 2020-11-02 | External-releasing and internal-contracting type double-twisting machine directly driven by motor and wire-collecting cradle device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112342647A true CN112342647A (en) | 2021-02-09 |
| CN112342647B CN112342647B (en) | 2022-07-08 |
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| CN202011204499.XA Active CN112342647B (en) | 2020-11-02 | 2020-11-02 | External-releasing and internal-contracting type double-twisting machine directly driven by motor and wire-collecting cradle device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463418A (en) * | 2021-07-06 | 2021-10-01 | 湖北三江航天江北机械工程有限公司 | Large-scale steel wire rope double-twisting machine with stepless twisting pitch |
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| CN206266942U (en) * | 2016-10-21 | 2017-06-20 | 湖北三江航天江北机械工程有限公司 | The vertical cradle device of steel wire rope double twisting device |
| CN206428506U (en) * | 2017-01-23 | 2017-08-22 | 江苏法尔胜泓昇重工有限公司 | Interior receipts double twisting device is put outside |
| CN208467116U (en) * | 2018-04-20 | 2019-02-05 | 江苏法尔胜泓昇重工有限公司 | Interior receipts double twisting device is put outside |
| CN208803294U (en) * | 2018-08-08 | 2019-04-30 | 江苏福尔特金属制品有限公司 | Double twisting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463418A (en) * | 2021-07-06 | 2021-10-01 | 湖北三江航天江北机械工程有限公司 | Large-scale steel wire rope double-twisting machine with stepless twisting pitch |
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| CN112342647B (en) | 2022-07-08 |
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