CN218611036U - Coiling machine structure of accurate control spool moment of torsion - Google Patents
Coiling machine structure of accurate control spool moment of torsion Download PDFInfo
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- CN218611036U CN218611036U CN202222867312.5U CN202222867312U CN218611036U CN 218611036 U CN218611036 U CN 218611036U CN 202222867312 U CN202222867312 U CN 202222867312U CN 218611036 U CN218611036 U CN 218611036U
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- speed reducer
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- magnetorheological fluid
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Abstract
A coiling machine structure for accurately controlling the torque of a reel is characterized in that a magnetorheological fluid clutch is added in series in a transmission chain of a driving reel of a traditional coiling machine, and the accurate control of the torque of the driving reel is realized by accurately controlling the working torque of the magnetorheological fluid clutch, so that the accurate control of the tension output from the working torque of the reel to a metal strap foil is realized; the utility model discloses a coiling machine structure make full use of the characteristics that magnetorheological suspensions clutch working torque can accurate control, response speed are fast, greatly improved the tension control precision of the rolling production of metal band paper tinsel, laid good equipment foundation for the rolling production of internal metal rolling production industry technical merit promotes and accurate metal band paper tinsel.
Description
Technical Field
The utility model relates to a metal strip paper tinsel rolling equipment technical field, concretely relates to coiling machine structure of accurate control spool moment of torsion.
Background
The coiling machine is auxiliary equipment commonly used in the production process of rolling metal strip foils; in the rolling production process of the metal strip foil, the tension of the metal strip foil at the inlet and the outlet of a rolling mill needs to be controlled, the tension at the inlet and the outlet of the traditional rolling mill is realized by controlling the difference of the rotating speed between a reel and a working roller of a coiling machine or controlling the torque of a driving motor of the coiling machine, but the two tension control modes have the problems of long transmission chain length, large rotational inertia, slow control response speed and low control precision of a driving system of a tension realizing structure; for the rolling production of common metal strip foils, the traditional tension realizing structure can still meet the use requirements, but for the rolling production of precise metal strip foils, the requirements on the tension control of the inlet and the outlet of a rolling mill are particularly strict, and the traditional tension realizing structure seems to have some 'power-fail' for the tension control of the rolling production of the precise metal strip foils, so how to further improve the tension control precision in the rolling production of the precise metal strip foils becomes a technical bottleneck to be solved urgently in the domestic metal rolling production industry.
SUMMERY OF THE UTILITY MODEL
In order to overcome not enough in the background art, the utility model discloses a coiling machine structure of accurate control spool moment of torsion, it is through in the driving chain of traditional coiling machine drive spool, and the series connection has increased the magnetic current rheological fluid clutch, through the accurate control to the working torque of magnetic current rheological fluid clutch, realizes the accurate control to the drive spool moment of torsion to realize accurate control to the tension of exporting the metal band paper tinsel by spool working torque.
In order to realize the utility model aims at, the utility model adopts the following technical scheme: a coiling machine structure for accurately controlling the torque of a reel comprises a rack, a reel, a speed reducer and a motor, wherein the reel is rotatably arranged on the rack, and the speed reducer is in transmission connection with the motor; a magnetorheological fluid clutch is arranged between the speed reducer and the scroll, and the speed reducer is in transmission connection with the scroll through the magnetorheological fluid clutch; when the magnetorheological fluid clutch works, the working torque of the magnetorheological fluid clutch is realized through the driving current, and when the driving current is changed, the working torque of the magnetorheological fluid clutch is correspondingly changed, so that the control on the working torque of the magnetorheological fluid clutch has the advantages of high response speed and high control precision; in addition, when the magnetorheological fluid clutch works, the rotating speed difference exists between the driving shaft and the driven shaft, and the rotating speed difference has no influence on the working torque, so that the requirement on the rotating speed difference control precision between the winding shaft of the winding machine and the working roller is greatly reduced; besides, after the magnetorheological fluid clutch is added in the structure of the coiling machine, a transmission chain for controlling the driving torque of the reel is greatly simplified, so that the rotational inertia of a transmission system is greatly reduced, and the control response speed is correspondingly further improved.
Preferably, a plurality of magnetorheological fluid clutches and a torque synthesis speed reducer are arranged between the speed reducer and the reel, and the speed reducer is in transmission connection with the reel through the plurality of magnetorheological fluid clutches and the torque synthesis speed reducer; because the maximum working torque of the existing magnetorheological fluid clutches is limited, a coiler which has higher requirements on rolling tension cannot provide enough driving torque for a reel only through one magnetorheological fluid clutch, so that a plurality of magnetorheological fluid clutches are adopted to output larger torque through a torque synthesis speed reducer, and the contradiction between smaller working torque of the magnetorheological fluid clutches and larger torque required by the reel is solved; when a plurality of magnetorheological fluid clutches are adopted to synthesize a larger driving torque through the torque synthesis speed reducer, the control of the output torque of the torque synthesis speed reducer is realized through the alternate control of the working torques of the plurality of magnetorheological fluid clutches, and the problem of overlarge difference of the working torques of the plurality of magnetorheological fluid clutches is avoided.
Furthermore, the torque synthesis speed reducer comprises a torque synthesis speed reducer output shaft and a plurality of torque synthesis speed reducer input shafts, and the torque synthesis speed reducer output shaft is meshed with the torque synthesis speed reducer input shafts through gears and is in transmission connection with the torque synthesis speed reducer input shafts.
Preferably, a plurality of magnetorheological fluid clutches, a torque synthesis speed reducer and a friction clutch are arranged between the speed reducer and the scroll, and the speed reducer and the scroll are in transmission connection through the plurality of magnetorheological fluid clutches, the friction clutch and the torque synthesis speed reducer; because the maximum working torque of the existing magnetorheological fluid clutches is limited, even if a plurality of magnetorheological fluid clutches are adopted to output larger torque in a mode of synthesizing a speed reducer by torque, under certain conditions, such as hot rolling or cold rolling of a thicker copper strip, the requirements of a reel of a coiling machine on the driving torque cannot be met, at the moment, the speed reducer and the reel can be in transmission connection through a friction clutch, and the magnetorheological fluid clutches are in a non-working state to meet the requirements of the reel on the driving torque; when the thickness of the copper strip in hot rolling or cold rolling is small and the driving torque required by the reel is small, the transmission connection of the friction clutch between the speed reducer and the reel can be disconnected, and the transmission connection is carried out through a plurality of magnetorheological fluid clutches, so that the requirement on the control precision of the driving torque of the reel is met.
Further, the torque synthesis speed reducer comprises a plurality of torque synthesis speed reducer input shafts and a torque synthesis speed reducer main shaft, and the plurality of torque synthesis speed reducer input shafts are meshed with the torque synthesis speed reducer main shaft through gears and are in transmission connection.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has: the utility model discloses a coiling machine structure of accurate control spool moment of torsion, it is through in the driving chain of traditional coiling machine drive spool, the series connection has increased magnetic current rheological fluid clutch, through the accurate control to the working torque of magnetic current rheological fluid clutch, realizes the accurate control to the drive spool moment of torsion to realize the accurate control to the tension of exporting the metal band paper tinsel by spool working torque; the utility model discloses a coiling machine structure make full use of but magnetorheological suspensions clutch working torque accurate control, the fast characteristics of response speed have greatly improved the tension control precision of the rolling production of metal strip paper tinsel, have laid good equipment foundation for the rolling production industry technical level of internal metal promotes and the production of accurate metal strip paper tinsel.
Drawings
FIG. 1 is a first structural diagram of a coiler for accurately controlling the torque of a reel;
FIG. 2 is a schematic structural diagram of a second coiler for accurately controlling the torque of a reel;
FIG. 3 is a first schematic view of a torque combining reducer;
FIG. 4 is a first schematic structural diagram of a speed reducer;
FIG. 5 is a schematic structural diagram of a third coiler for accurately controlling the torque of a reel;
FIG. 6 is a schematic structural diagram of a torque combining reducer II;
fig. 7 is a schematic structural diagram of a reducer.
In the figure: 1. a frame; 2. a reel; 3. a magnetorheological fluid clutch; 4. a speed reducer; 4.1, an input shaft of a speed reducer; 4.2, an auxiliary output shaft of the speed reducer; 4.3, a main output shaft of the speed reducer; 5. a motor; 6. a torque synthesis speed reducer; 6.1, synthesizing a torque to obtain an output shaft of a speed reducer; 6.2, synthesizing a torque to an input shaft of a speed reducer; 6.3, synthesizing a main shaft of the speed reducer by using the torque; 7. a friction clutch.
Detailed Description
The invention will be explained in more detail by the following examples, which disclose the invention and are intended to protect all technical improvements within the scope of the invention.
The first embodiment is as follows:
a coiling machine structure for accurately controlling the torque of a reel comprises a rack 1, a reel 2, a magnetorheological fluid clutch 3, a speed reducer 4 and a motor 5, wherein the reel 2 is rotatably arranged on the rack 1; one end of the scroll 2 is in transmission connection with an output shaft of the magnetorheological fluid clutch 3 through a coupler, an input shaft of the magnetorheological fluid clutch 3 is in transmission connection with an output shaft of the speed reducer 4 through a coupler, and an input shaft of the speed reducer 4 is in transmission connection with a driving shaft of the motor 5 through a coupler; when the magnetorheological fluid clutch 3 works, the input shaft and the output shaft of the magnetorheological fluid clutch have a rotation speed difference, and the rotation speed difference is set to be 30rpm; the working torque of the magnetorheological fluid clutch is the working torque of the reel, the working torque is determined by the working current of the magnetorheological fluid clutch, and the working current is controlled by a tension control system of a rolling mill production line.
Example two:
a coiling machine structure for accurately controlling reel torque comprises a rack 1, a reel 2, a magnetorheological fluid clutch 3, a speed reducer 4, a motor 5 and a torque synthesis speed reducer 6, wherein the reel 2 is rotatably arranged on the rack 1; the torque synthesis speed reducer 6 comprises a torque synthesis speed reducer output shaft 6.1 and three torque synthesis speed reducer input shafts 6.2, the torque synthesis speed reducer output shaft 6.1 and the torque synthesis speed reducer input shaft 6.2 are in meshing connection through gears, and a reduction ratio of 1:3 is set; the reducer 4 is provided with three reducer output shafts 4.2 and a reducer input shaft 4.1, and a reduction ratio of 1; one end of the scroll 2 is in transmission connection with a torque synthesis speed reducer output shaft 6.1 of the torque synthesis speed reducer 6 through a coupler; three torque synthesis speed reducer input shafts 6.2 of the torque synthesis speed reducer 6 and three speed reducer output shafts 4.2 of the speed reducer 4 are correspondingly in transmission connection through three magnetorheological fluid clutches 3; a speed reducer input shaft 4.1 of the speed reducer 4 is in transmission connection with a driving shaft of the motor 5 through a coupling; when the magnetorheological fluid clutch 3 works, the input shaft and the output shaft have a rotation speed difference, and the rotation speed difference is set at 30rpm; the working torques of the three magnetorheological fluid clutches 3 are synthesized into a larger working torque through the torque synthesis speed reducer and are output through an output shaft 6.1 of the synthesis speed reducer, so that the accurate and controllable working torque is provided for the driving scroll 2; the working torque of each magnetorheological fluid clutch is determined by the working current of the magnetorheological fluid clutch, the working current is controlled by a tension control system of a rolling mill production line, and the working current of the three magnetorheological fluid clutches is controlled in turn, so that the problem that the working torques of the three magnetorheological fluid clutches 3 are too different is solved.
Example three:
a coiling machine structure for accurately controlling the torque of a reel comprises a rack 1, a reel 2, a magnetorheological fluid clutch 3, a speed reducer 4, a motor 5, a torque synthesis speed reducer 6 and a friction clutch 7, wherein the reel 2 is rotatably arranged on the rack 1; the torque synthesis speed reducer 6 comprises a torque synthesis speed reducer main shaft 6.3 and three torque synthesis speed reducer input shafts 6.2, wherein the torque synthesis speed reducer main shaft 6.3 is in meshed connection with the torque synthesis speed reducer input shaft 6.2 through a gear, and the torque synthesis speed reducer is provided with a speed reduction ratio of 1:2; the speed reducer 4 is provided with three speed reducer output shafts 4.2, a speed reducer input shaft 4.1 and a speed reducer main output shaft 4.3, a speed reduction ratio of 1; one end of the scroll 2 is in transmission connection with one end of a torque synthesis speed reducer main shaft 6.3 of the torque synthesis speed reducer 6 through a coupler, and the other end of the torque synthesis speed reducer main shaft 6.3 is in transmission connection with a speed reducer main output shaft 4.3 of the speed reducer 4 through a friction clutch 7; three torque synthesis speed reducer input shafts 6.2 of the torque synthesis speed reducer 6 are correspondingly in transmission linkage with three speed reducer output shafts 4.2 of the speed reducer 4 through three magnetorheological fluid clutches 3; a speed reducer input shaft 4.1 of the speed reducer 4 is in transmission connection with a driving shaft of the motor 5 through a coupler;
when the coiling machine works in a large-torque mode, a main output shaft 4.3 of a speed reducer 4 of the speed reducer is actually and directly in transmission connection with the reel 2 through the friction clutch 7, and the magnetorheological fluid clutch is in a non-working state (without working current) at the moment so as to meet the requirement of the reel 2 on driving torque;
when the recoiling machine works in a torque accurate control mode, the friction clutch 7 is in a disconnected state, the three magnetorheological fluid clutches 3 are in a working state (with working current), and the rotational speed difference exists between the input shaft and the output shaft of the three magnetorheological fluid clutches 3 and is set at 30rpm; the working torques of the three magnetorheological fluid clutches 3 are combined into a larger working torque through the torque combining speed reducer 6 and are output through a main shaft 6.3 of the torque combining speed reducer, so that the accurate and controllable working torque is provided for the driving scroll 2; the working torque of each magnetorheological fluid clutch is determined by the working current of the magnetorheological fluid clutch, the working current is controlled by a tension control system of a rolling mill production line, and the working current of the three magnetorheological fluid clutches is controlled in turn, so that the problem that the working torques of the three magnetorheological fluid clutches 3 are too different is solved.
The part of the utility model not detailed is prior art.
Claims (5)
1. A coiling machine structure for accurately controlling the torque of a reel comprises a rack (1), the reel (2), a speed reducer (4) and a motor (5), wherein the reel (2) is rotatably arranged on the rack (1), and the speed reducer (4) is in transmission connection with the motor (5); the method is characterized in that: a magnetorheological fluid clutch (3) is arranged between the speed reducer (4) and the scroll (2), and the speed reducer (4) is in transmission connection with the scroll (2) through the magnetorheological fluid clutch (3).
2. The structure of a winding machine for precisely controlling a torque of a winding shaft according to claim 1, wherein: a plurality of magnetorheological fluid clutches (3) and a torque synthesis speed reducer (6) are arranged between the speed reducer (4) and the scroll (2), and the speed reducer (4) is in transmission connection with the scroll (2) through the plurality of magnetorheological fluid clutches (3) and the torque synthesis speed reducer (6).
3. The structure of a winding machine for precisely controlling the torque of a winding shaft according to claim 2, wherein: the torque synthesis speed reducer (6) comprises a torque synthesis speed reducer output shaft (6.1) and a plurality of torque synthesis speed reducer input shafts (6.2), and the torque synthesis speed reducer output shaft (6.1) is meshed with the torque synthesis speed reducer input shafts (6.2) through gears and is in transmission connection.
4. The structure of a winding machine for precisely controlling a torque of a winding shaft according to claim 1, wherein: a plurality of magnetorheological fluid clutches (3), a torque synthesis speed reducer (6) and a friction clutch (7) are arranged between the speed reducer (4) and the scroll (2), and the speed reducer (4) is in transmission connection with the scroll (2) through the plurality of magnetorheological fluid clutches (3), the friction clutch (7) and the torque synthesis speed reducer (6).
5. The structure of a winding machine for precisely controlling the torque of a winding shaft according to claim 4, wherein: the torque synthesis speed reducer (6) comprises a plurality of torque synthesis speed reducer input shafts (6.2) and a torque synthesis speed reducer main shaft (6.3), and the plurality of torque synthesis speed reducer input shafts (6.2) are meshed with the torque synthesis speed reducer main shaft (6.3) through gears and are in transmission connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222867312.5U CN218611036U (en) | 2022-10-28 | 2022-10-28 | Coiling machine structure of accurate control spool moment of torsion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222867312.5U CN218611036U (en) | 2022-10-28 | 2022-10-28 | Coiling machine structure of accurate control spool moment of torsion |
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| CN218611036U true CN218611036U (en) | 2023-03-14 |
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| CN202222867312.5U Active CN218611036U (en) | 2022-10-28 | 2022-10-28 | Coiling machine structure of accurate control spool moment of torsion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115647072A (en) * | 2022-10-28 | 2023-01-31 | 中色科技股份有限公司 | Coiling machine structure capable of accurately controlling reel torque and reel torque control method |
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- 2022-10-28 CN CN202222867312.5U patent/CN218611036U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115647072A (en) * | 2022-10-28 | 2023-01-31 | 中色科技股份有限公司 | Coiling machine structure capable of accurately controlling reel torque and reel torque control method |
| WO2024088405A1 (en) * | 2022-10-28 | 2024-05-02 | 中色科技股份有限公司 | Coiling machine structure capable of accurately controlling reel torque and reel torque control method |
| CN115647072B (en) * | 2022-10-28 | 2024-05-28 | 中色科技股份有限公司 | Coiling machine torque control method for accurately controlling reel torque |
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