CN111705533B - Synchronous reversing device of double-twisting stranding machine - Google Patents
Synchronous reversing device of double-twisting stranding machine Download PDFInfo
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- CN111705533B CN111705533B CN202010599826.XA CN202010599826A CN111705533B CN 111705533 B CN111705533 B CN 111705533B CN 202010599826 A CN202010599826 A CN 202010599826A CN 111705533 B CN111705533 B CN 111705533B
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- reversing
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- belt wheel
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
- D07B7/02—Machine details; Auxiliary devices
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
- D07B7/02—Machine details; Auxiliary devices
- D07B7/022—Measuring or adjusting the lay or torque in the rope
Abstract
The invention discloses a synchronous reversing device of a double-twisting stranding machine, which relates to the technical field of stranding machines and comprises the following components: the central reversing component, the variable-speed transmission component and a rotary bearing seat are fixedly arranged on the outer main shaft; the variable speed transmission assembly comprises a variable speed transmission shaft which is rotatably arranged on the rotary bearing seat; one end of the variable-speed transmission shaft is connected with the central reversing assembly through a first variable-speed mechanism, and the other end of the variable-speed transmission shaft is connected with the inner mandrel through a second variable-speed mechanism; the central reversing component is rotatably arranged on the outer main shaft and is connected with a reversing gear box. The reversing power transmitted by the reversing gear box is transmitted to the inner mandrel in the outer main shaft through the central reversing component and the variable speed transmission component; the rotating speed of the inner core shaft is increased to the rotating speed same as that of the outer main shaft through the change of the number of teeth of each group of belt wheels, and the rotating directions of the inner core shaft and the outer main shaft are opposite, so that the purpose of doubling the lay length of the flywheel is achieved.
Description
Technical Field
The invention relates to the technical field of stranding machines, in particular to a synchronous reversing device of a double-twisting stranding machine.
Background
The steel wire twisting product is produced by rotating a plurality of monofilaments through twisting equipment. The method for controlling the lay length of the former steel wire stranding machine adopts a proportioning driving wheel and a driven wheel of a mechanical reduction gearbox to adjust a gear reduction ratio and change the speed of a traction wheel so as to control the lay length of a steel wire strand. In addition, the gear reduction box needs to be maintained regularly, engine oil in the gear reduction box needs to be replaced, and if the sealing performance of the gear reduction box is not in place, the situation of engine oil leakage can be caused. Besides engine oil, the bearings need to be replaced regularly, and the bearings are prevented from being seriously worn to cause seizure.
The flywheel disc plays a role of stranding in a machine tool, namely, a plurality of strands of steel wires are twisted together like a rice twisting rope to form a metal rope. Generally, the running speed of a steel wire stranding machine refers to the speed of a flywheel disc, the higher the speed of the flywheel disc is, the higher the production efficiency of a machine tool is, and the highest running speed is usually set under the condition that the overall performance of the machine tool can bear.
The existing traditional method generally adopts a single twisting machine and a double twisting machine to produce steel wire twisted products, and the production efficiency is limited to a certain extent, so that a four-fold stranding device can be developed, and the constant-speed forward and reverse rotation motion of two flywheel discs is realized through the forward and reverse rotation of an inner main shaft and an outer main shaft by combining a synchronous reversing device, so that the purpose of multi-fold stranding of the steel wires is achieved.
Disclosure of Invention
Technical problem to be solved
The invention aims to solve the technical problem of providing a synchronous reversing device of a double stranding machine, which can realize constant-speed forward and reverse rotation of an outer main shaft and an inner core shaft, has a stable and reliable integral structure, and can transmit reverse rotation power to the inner core shaft in the outer main shaft.
(II) technical scheme
In order to solve the above technical problem, the present invention provides a synchronous reversing device for a double twisting machine, which is used for realizing the forward and reverse constant speed rotation of an outer main shaft and an inner core shaft, and comprises: the central reversing component, the variable-speed transmission component and a rotary bearing seat are fixedly arranged on the outer main shaft; the rotary bearing seat is directly fixed on the outer main shaft and rotates together with the outer main shaft; the variable speed transmission assembly comprises a variable speed transmission shaft which is rotatably arranged on the rotary bearing seat, and the variable speed transmission shaft is eccentric and is arranged on the rotary bearing seat in a penetrating way; one end of the variable-speed transmission shaft is connected with the central reversing assembly through a first variable-speed mechanism, and the other end of the variable-speed transmission shaft is connected with the inner mandrel through a second variable-speed mechanism; the central reversing component is rotatably arranged on the outer main shaft and is connected with a reversing gear box. The inner mandrel is arranged inside the outer spindle, so that the whole space is saved compared with the parallel arrangement, and the sizes of the inner mandrel and the outer spindle in the axial direction are shortened; the reversing gear box transmits reverse power (assuming that the outer main shaft rotates in a forward direction) transmitted by the reversing gear box to the variable-speed transmission assembly through the central reversing assembly arranged on the outer main shaft, and then the reverse power is transmitted to the inner mandrel through the variable-speed transmission assembly; through the first speed change mechanism and the second speed change mechanism, the rotating speed of the inner mandrel is the same as that of the outer spindle, and the rotating directions of the inner mandrel and the outer spindle are opposite.
Furthermore, the central reversing assembly comprises a duplex belt pulley set rotatably mounted on the outer main shaft, and the duplex belt pulley set is mounted on the outer main shaft through a bearing, so that the relative rotation of the outer main shaft and the duplex belt pulley set can be realized; the first speed change mechanism comprises a duplex small belt wheel arranged on the duplex belt wheel set and a speed change driving belt wheel fixedly arranged at one end of the speed change transmission shaft, and the duplex small belt wheel is connected with the speed change driving belt wheel through a first transmission belt.
Furthermore, the second speed change mechanism comprises a speed change driven belt wheel fixedly arranged at the other end of the speed change transmission shaft and an inner mandrel transmission belt wheel fixed on the inner mandrel, and the speed change driven belt wheel is connected with the inner mandrel transmission belt wheel through a second transmission belt.
Furthermore, the duplex belt pulley set also comprises a duplex large belt pulley used for connecting the reversing gear box.
Further, the duplex small belt wheel and the duplex large belt wheel are integrally formed; the small duplex belt wheel can also be fixed on the large duplex belt wheel through a bolt.
Further, the inner mandrel is rotatably sleeved in the outer main shaft through a bearing; and an avoiding groove for avoiding the second transmission belt is arranged on the outer main shaft.
Further, the outer main shaft and the reversing gear box are respectively connected with an external power output main shaft through corresponding belt wheel mechanisms; the power output main shaft is connected with a servo motor through a corresponding belt wheel mechanism.
Furthermore, a reversing output belt wheel is arranged on an output shaft of the reversing gear box, and the double-linkage large belt wheel is connected with the reversing output belt wheel through a third transmission belt; the input shaft and the output shaft of the reversing gear box are in meshed connection through a pair of gears.
Further, the outer main shaft is mounted on a shaft sleeve through a bearing, and the shaft sleeve and the reversing gear box are fixed on an external machine tool support.
(III) advantageous effects
The synchronous reversing device of the double-twisting stranding machine transmits reverse power transmitted by the reversing gear box to an inner mandrel in an outer main shaft through the central reversing component and the variable speed transmission component arranged on the rotary bearing seat; the rotating speed of the inner mandrel is increased to the rotating speed same as that of the outer main shaft through the change of the tooth numbers of belt wheels such as a duplex belt wheel set, a variable speed driving belt wheel, a variable speed driven belt wheel and the like, and the rotating directions of the inner mandrel and the outer main shaft are opposite; therefore, the large flywheel and the small flywheel which are respectively arranged on the outer main shaft and the inner core shaft achieve the purpose of positive and negative rotation at the same speed, and the purpose of doubling the lay length is realized.
Drawings
FIG. 1 is a perspective view of the synchronous reversing device of the double twisting machine of the present invention;
FIG. 2 is a schematic structural diagram of the synchronous reversing device of the double twisting machine of the present invention;
FIG. 3 is an exploded view of a reversing gear box of the synchronous reversing device of the double twisting machine of the present invention;
wherein: the device comprises an outer main shaft 1, an inner mandrel 2, a central reversing component 3, a variable-speed transmission component 4, a rotary bearing seat 5, a variable-speed transmission shaft 6, a reversing gear box 7, a duplex belt wheel set 8, a duplex small belt wheel 9, a variable-speed driving belt 10, a first transmission belt 11, a variable-speed driven belt wheel 12, an inner mandrel transmission belt wheel 13, a second transmission belt 14, a duplex large belt wheel 15, an avoidance groove 16, a power output main shaft 17, a servo motor 18, a reversing output belt wheel 19, a third transmission belt 20, a shaft sleeve 21, an output shaft 22, an input shaft 23, a first gear 24 and a second gear 25.
Detailed Description
Referring to fig. 1 to 3, the present invention provides a synchronous reversing device for a double twisting and stranding machine, which is used for realizing the forward and reverse constant speed rotation of an outer spindle 1 and an inner spindle 2, and comprises: the central reversing component 3, the variable speed transmission component 4 and the rotary bearing seat 5 are fixedly arranged on the outer main shaft 1; the rotary bearing block 5 is directly fixed on the outer main shaft 1 and rotates together with the outer main shaft 1; the variable speed transmission assembly 4 comprises a variable speed transmission shaft 6 which is rotatably arranged on the rotary bearing seat 5, and the variable speed transmission shaft 6 is eccentric and is arranged on the rotary bearing seat 5 in a penetrating way; one end of the variable-speed transmission shaft 6 is connected with the central reversing assembly 3 through a first variable-speed mechanism, and the other end of the variable-speed transmission shaft is connected with the inner mandrel 2 through a second variable-speed mechanism; the central reversing component 3 is rotatably arranged on the outer main shaft 1 and is connected with a reversing gear box 7.
The inner mandrel 2 of the embodiment is arranged inside the outer spindle 1, so that the whole space is saved compared with the parallel arrangement, the size of the inner mandrel and the outer spindle in the axial direction is shortened, and the rigidity stability of the inner mandrel and the outer spindle can be enhanced; the problem to be overcome is therefore how to transmit power to the inner spindle 2; in the embodiment, the central reversing component 3 mounted on the outer spindle 1 is required to transmit the reverse power transmitted by the reversing gear box 7 (assuming that the outer spindle 1 rotates in the forward direction) to the variable speed transmission component 4, and then the reverse power is transmitted to the inner spindle 2 through the variable speed transmission component 4; the first speed change mechanism and the second speed change mechanism are used for realizing that the rotating speed of the inner mandrel 2 is the same as that of the outer main shaft 1, and the rotating directions of the inner mandrel and the outer main shaft are opposite.
Referring to fig. 1 and 2, the central reversing assembly 3 includes a duplex belt pulley set 8 rotatably mounted on the outer spindle 1, and the duplex belt pulley set 8 is mounted on the outer spindle 1 through a bearing, so that the outer spindle 1 and the duplex belt pulley set 8 can rotate relatively; the first speed change mechanism comprises a duplex small belt wheel 9 arranged on the duplex belt wheel set 8 and a speed change driving belt wheel 10 fixedly arranged at one end of the speed change transmission shaft 6, and the duplex small belt wheel 9 and the speed change driving belt wheel 10 are connected through a first transmission belt 11. The second speed change mechanism comprises a speed change driven belt wheel 12 fixedly arranged at the other end of the speed change transmission shaft 6 and an inner mandrel transmission belt wheel 13 fixed on the inner mandrel 2, and the speed change driven belt wheel 12 and the inner mandrel transmission belt wheel 13 are connected through a second transmission belt 14.
Referring to fig. 1 and 2, the duplex pulley set 8 further includes a duplex large pulley 15 for connecting the reversing gear box 7. The duplex small belt wheel 9 of the embodiment is fixed on the duplex large belt wheel 15 through a bolt, and a bearing used for being connected with the outer main shaft 1 is installed inside the duplex large belt wheel 15.
Referring to fig. 2, the inner spindle 2 is rotatably sleeved in the outer spindle 1 through a bearing; an avoidance groove 16 for avoiding the second transmission belt 14 is arranged on the outer main shaft 1.
Referring to fig. 1, the outer main shaft 1 and the reversing gear box 7 are respectively connected with an external power output main shaft 17 through corresponding belt wheel mechanisms; the power output main shaft 17 is connected to a servo motor 18 through a corresponding pulley mechanism. The power output main shaft 17 transmits power to the outer main shaft 1 and the reversing gear box 7, so that the outer main shaft 1 realizes forward transmission; meanwhile, the double belt wheel set 8 on the outer main shaft 1 reversely rotates through power reversing of the reversing gear box 7, power is transmitted to the inner core shaft 2 in the outer main shaft 1 through the first speed change mechanism and the second speed change mechanism, the rotating speeds of the outer main shaft 1 and the inner core shaft 2 are the same through speed change of the first speed change mechanism and the second speed change mechanism and matching of the number of teeth of different belt wheels, and the rotating directions of the outer main shaft 1 and the inner core shaft 2 are opposite; therefore, the large flywheel and the small flywheel which are respectively arranged on the outer main shaft 1 and the inner core shaft 2 can rotate at the same speed in the positive and negative directions, and the purpose of doubling the lay length is achieved.
Referring to fig. 2 and 3, a reversing output belt wheel 19 is arranged on an output shaft 22 of the reversing gear box 7, and the duplex large belt wheel 15 is connected with the reversing output belt wheel 19 through a third transmission belt 20; an input shaft 23 and an output shaft 22 of the reversing gear box 7 are in meshed connection through a pair of gears, wherein a first gear 24 is installed on the input shaft 23, and a second gear 25 meshed with the first gear 24 is installed on the output shaft 22.
Referring to fig. 1, the outer spindle 1 is mounted on a shaft sleeve 21 by means of bearings, and the shaft sleeve 21 and the reversing gearbox 7 are fixed on an external machine tool support (not shown in the figure).
Compared with the prior art, the synchronous reversing device of the double-twisting stranding machine has the following advantages:
1. the reversing power transmitted by the reversing gear box is transmitted to an inner mandrel in the outer spindle through the central reversing component and the variable-speed transmission component arranged on the rotary bearing seat, a duplex belt pulley set of the central reversing component is rotatably arranged on the outer spindle through a bearing and can independently rotate relative to the outer spindle, and the duplex belt pulley set is connected with the reversing gear box through a belt pulley mechanism and transmits the transmitted reversing power to the inner mandrel through the variable-speed transmission component;
2. the rotating speed of the inner mandrel is increased to the rotating speed same as that of the outer main shaft through the change of the tooth numbers of belt wheels such as a duplex belt wheel set, a variable speed driving belt wheel, a variable speed driven belt wheel and the like, and the rotating directions of the inner mandrel and the outer main shaft are opposite; therefore, the large flywheel and the small flywheel which are respectively arranged on the outer main shaft and the inner core shaft achieve the purpose of positive and negative rotation at the same speed, and the purpose of doubling the lay length is realized.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a two times twist plying machine synchronous reversing arrangement for realize outer main shaft (1) and inner spindle (2) positive and negative constant speed rotation, its characterized in that includes: the central reversing component (3), the variable-speed transmission component (4) and a rotary bearing seat (5) fixedly arranged on the outer main shaft (1);
the variable speed transmission assembly (4) comprises a variable speed transmission shaft (6) which is rotatably arranged on the rotary bearing seat (5), and the variable speed transmission shaft (6) is eccentric and is arranged on the rotary bearing seat (5) in a penetrating manner; one end of the variable speed transmission shaft (6) is connected with the central reversing assembly (3) through a first variable speed mechanism, and the other end of the variable speed transmission shaft is connected with the inner mandrel (2) through a second variable speed mechanism;
the central reversing assembly (3) is rotatably arranged on the outer main shaft (1); the central reversing assembly (3) is connected with a reversing gear box (7); the central reversing assembly (3) comprises a duplex belt pulley group (8) rotatably mounted on the outer spindle (1);
the first speed change mechanism comprises a duplex small belt wheel (9) arranged on the duplex belt wheel set (8) and a speed change driving belt wheel (10) fixedly installed at one end of the speed change transmission shaft (6), and the duplex small belt wheel (9) is connected with the speed change driving belt wheel (10) through a first transmission belt (11);
the second speed change mechanism comprises a speed change driven belt wheel (12) fixedly mounted at the other end of the speed change transmission shaft (6) and an inner mandrel transmission belt wheel (13) fixed on the inner mandrel (2), and the speed change driven belt wheel (12) is connected with the inner mandrel transmission belt wheel (13) through a second transmission belt (14).
2. A synchronous reversing device for doubled-twist plying machines according to claim 1, characterized in that said double pulley set (8) further comprises a double large pulley (15) for connecting said reversing gear box (7).
3. A synchronous reversing device for doubled stranding machines according to claim 2, characterised in that the double small pulley (9) and the double large pulley (15) are formed integrally.
4. A synchronous reversing device for doubled stranding machines according to claim 2, characterised in that the double small pulley (9) is fixed on the double large pulley (15) by means of bolts.
5. The synchronous reversing device of the double-twist stranding machine according to claim 1, wherein the inner spindle (2) is rotatably sleeved in the outer spindle (1) through a bearing; an avoidance groove (16) for avoiding the second transmission belt (14) is formed in the outer main shaft (1).
6. A synchronous reversing device of a double-twist stranding machine according to claim 1, characterized in that the outer main shaft (1) and the reversing gearbox (7) are respectively connected with an external power output main shaft (17) through corresponding belt wheel mechanisms; the power output main shaft (17) is connected with a servo motor (18) through a corresponding belt wheel mechanism.
7. The synchronous reversing device of the doubling stranding machine according to claim 2, characterized in that a reversing output pulley (19) is arranged on an output shaft (22) of the reversing gear box (7), and the double large pulley (15) is connected with the reversing output pulley (19) through a third transmission belt (20); the input shaft (23) and the output shaft (22) of the reversing gear box (7) are in meshed connection through a pair of gears.
8. A synchronous reversing device for doubled twisting machine as claimed in claim 7, wherein the outer main shaft (1) is mounted on the shaft sleeve (21) through a bearing, and the shaft sleeve (21) and the reversing gear box (7) are fixed on the external machine tool bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010599826.XA CN111705533B (en) | 2020-06-28 | 2020-06-28 | Synchronous reversing device of double-twisting stranding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010599826.XA CN111705533B (en) | 2020-06-28 | 2020-06-28 | Synchronous reversing device of double-twisting stranding machine |
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| CN111705533A CN111705533A (en) | 2020-09-25 |
| CN111705533B true CN111705533B (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010599826.XA Active CN111705533B (en) | 2020-06-28 | 2020-06-28 | Synchronous reversing device of double-twisting stranding machine |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3609146A1 (en) * | 1986-03-19 | 1987-09-24 | Kabelmetal Electro Gmbh | DEVICE FOR LEADING OR STRINGING LEADING ELEMENTS |
| DE19534339A1 (en) * | 1995-09-15 | 1997-03-20 | Novibra Gmbh | Spinning etc. machine spindle propagating min. noise to spindle rail |
| CN101101047A (en) * | 2007-08-06 | 2008-01-09 | 刘淮滨 | Constant-speed differential speed double-axis reverse output transmission method and device |
| CN202139494U (en) * | 2011-06-17 | 2012-02-08 | 南通开发区联谊机械有限公司 | Cylinder type double-twist strander |
| CN102587176A (en) * | 2012-02-22 | 2012-07-18 | 常州贝斯塔德机械科技有限公司 | Twelve-cradle device |
| CN102965990A (en) * | 2012-11-20 | 2013-03-13 | 江阴市华方机电科技有限公司 | Novel pipeless steel wire rope stranding machine |
| CN103469656A (en) * | 2013-08-16 | 2013-12-25 | 江阴市新天金属制品有限公司 | Double-twisting technology of steel wire rope |
| CN203514100U (en) * | 2013-08-16 | 2014-04-02 | 江阴市新天金属制品有限公司 | Steel wire rope double twisting machine |
| CN107228170A (en) * | 2017-07-17 | 2017-10-03 | 湖北三江航天江北机械工程有限公司 | Steel wire rope double twisting device transmission system collocation method |
| CN109519469A (en) * | 2019-01-01 | 2019-03-26 | 吴官举 | Reverse sync drive bearing |
| CN111005103A (en) * | 2019-12-17 | 2020-04-14 | 江苏兴达钢帘线股份有限公司 | Novel four-twisting stranding machine |
-
2020
- 2020-06-28 CN CN202010599826.XA patent/CN111705533B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3609146A1 (en) * | 1986-03-19 | 1987-09-24 | Kabelmetal Electro Gmbh | DEVICE FOR LEADING OR STRINGING LEADING ELEMENTS |
| DE19534339A1 (en) * | 1995-09-15 | 1997-03-20 | Novibra Gmbh | Spinning etc. machine spindle propagating min. noise to spindle rail |
| CN101101047A (en) * | 2007-08-06 | 2008-01-09 | 刘淮滨 | Constant-speed differential speed double-axis reverse output transmission method and device |
| CN202139494U (en) * | 2011-06-17 | 2012-02-08 | 南通开发区联谊机械有限公司 | Cylinder type double-twist strander |
| CN102587176A (en) * | 2012-02-22 | 2012-07-18 | 常州贝斯塔德机械科技有限公司 | Twelve-cradle device |
| CN102965990A (en) * | 2012-11-20 | 2013-03-13 | 江阴市华方机电科技有限公司 | Novel pipeless steel wire rope stranding machine |
| CN103469656A (en) * | 2013-08-16 | 2013-12-25 | 江阴市新天金属制品有限公司 | Double-twisting technology of steel wire rope |
| CN203514100U (en) * | 2013-08-16 | 2014-04-02 | 江阴市新天金属制品有限公司 | Steel wire rope double twisting machine |
| CN107228170A (en) * | 2017-07-17 | 2017-10-03 | 湖北三江航天江北机械工程有限公司 | Steel wire rope double twisting device transmission system collocation method |
| CN109519469A (en) * | 2019-01-01 | 2019-03-26 | 吴官举 | Reverse sync drive bearing |
| CN111005103A (en) * | 2019-12-17 | 2020-04-14 | 江苏兴达钢帘线股份有限公司 | Novel four-twisting stranding machine |
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