CN211237816U - Constant tension back-twisting machine - Google Patents
Constant tension back-twisting machine Download PDFInfo
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- CN211237816U CN211237816U CN202020009946.5U CN202020009946U CN211237816U CN 211237816 U CN211237816 U CN 211237816U CN 202020009946 U CN202020009946 U CN 202020009946U CN 211237816 U CN211237816 U CN 211237816U
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Abstract
The utility model discloses a constant tension back-twist machine, which comprises a back-twist machine main body for back-twisting a cable, a control unit and a tension detection mechanism arranged at the cable output end of the back-twist machine main body; the tension detection mechanism is in signal connection with the control unit; the back-twist machine main body comprises a back-twist shaft and a clutch used for limiting the rotating speed of the back-twist shaft, and the back-twist shaft is used for installing a wire coil provided with a cable; the control unit with clutch electric connection adopts the utility model provides a technical scheme has solved current move back and has turned round that quick-witted tension can't in time adjust the easy impaired technical problem of messenger's cable.
Description
Technical Field
The utility model relates to a paying out machine technical field especially relates to a machine is turned round back to permanent tension.
Background
When the cable is twisted in pairs, in order to ensure that the wire core is only subjected to the twisting action without the twisting action, the step of back twisting is often required to be added, and the back twisting pay-off machine commonly used at present is a magnetic powder tension back twisting pay-off machine; the matched equipment comprises a magnetic powder tension back-twist pay-off machine, a set eye die holder and a single-twist cable former. The pay-off reel is arranged on a vertical rotating disc, is driven by a variable frequency motor, can rotate in the same direction with the single-stranded cable, can realize 100% back twist, and is controlled by a magnetic powder brake in pay-off tension; the process equipment has the defects that the tension is steplessly adjustable, and meanwhile, passive paying-off is adopted, so that a wire coil is heavy when the wire coil is full, and the wire is easy to be thinned and broken; the tension of the cable cannot be well adjusted in the conveying process, so that the cable is easily damaged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a machine is turned round back to permanent tension, adopt the technical scheme provided by the utility model the technical problem that the current machine tension of turning round back can't in time be adjusted and make the cable impaired easily has been solved.
In order to solve the technical problem, the utility model provides a constant tension back-twist machine, which comprises a back-twist machine main body for back-twisting a cable, a control unit and a tension detection mechanism arranged at the cable output end of the back-twist machine main body; the tension detection mechanism is in signal connection with the control unit; the back-twist machine main body comprises a back-twist shaft and a clutch used for limiting the rotating speed of the back-twist shaft, and the back-twist shaft is used for installing a wire coil provided with a cable; the control unit is electrically connected with the clutch.
Preferably, the torque withdrawing machine main body further comprises a motor, a torque withdrawing main wheel, a torque withdrawing shaft wheel, a fixed disc and a torque withdrawing disc assembly; the back-twist main wheel and the fixed disc are coaxially and fixedly arranged and drive the fixed disc to rotate, and the fixed disc is coaxially and fixedly connected with the back-twist disc assembly; the torque withdrawing shaft wheel and the torque withdrawing shaft are coaxially and fixedly arranged and drive the torque withdrawing shaft to rotate; a power end of the motor is provided with a synchronous belt wheel connected with the back-twist main wheel through a synchronous belt; the two ends of the clutch are respectively an input end and an output end, the input end is in transmission connection with the back-twist main wheel, and the output end is in transmission connection with the back-twist shaft wheel; the drum is coaxially sleeved on the back-twist shaft, and the cable of the drum is led out through the back-twist disc assembly.
Preferably, the tension detection mechanism comprises a tension wheel frame provided with a roller and a tension detection wheel; the tangential direction of the roller and the tension detection wheel and the leading-out direction of the cable are arranged at an angle; the tension detection device also comprises a signal transmitting unit which transmits the pressure detection data of the tension detection wheel to the control unit.
Preferably, a porcelain hole fixing block for leading the cable into is arranged on the tension wheel frame.
Preferably, the clutch is a magnetic powder clutch.
Preferably, the disc brake device further comprises a disc brake assembly capable of limiting the fixed disc to rotate; the disc brake assembly comprises a brake disc and a disc brake caliper, the brake disc and the fixed disc are coaxially arranged, and the disc brake caliper is arranged on the edge of the brake disc.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses simple structure, it is novel, specifically as follows:
(1) the tension detection mechanism is arranged, so that the tension of the cable can be timely monitored, the technical problem that the tension of the cable cannot be timely adjusted by the conventional torsion withdrawing machine is solved, the constant tension effect of the cable can be kept in the output process, the loss of equipment to the cable is reduced to the minimum, and the quality of the cable is improved;
(2) the utility model has simple integral structure, adopts a coaxial arrangement mode, increases the integral paying-off capacity of the back-twist machine, can increase the paying-off speed and improve the working efficiency;
(3) the drum adopts the bayonet structure of one end, is different from the current both ends that the machine needs withstood the drum of turning round back, the utility model discloses a turn round more convenient and fast during machine installation drum, improve production efficiency back.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the power structure of the present invention;
fig. 3 is a schematic structural diagram of the tension detecting mechanism of the present invention.
Wherein: 10. a back twist machine main body; 20. a tension detection mechanism; 21. a first roller; 22. a second roller; 23. a tension detection wheel; 24. a porcelain hole fixing block; 25. a signal transmitting unit; 30. a motor; 31. the main wheel is untwisted; 32. a clutch; 33. a back-twist shaft wheel; 34. fixing the disc; 35. withdrawing the torsion shaft; 36. a synchronous belt wheel at the power end of the motor; 37. a synchronous pulley at the input end of the clutch; 38. a synchronous belt wheel at the output end of the clutch; 40. a back-twist disk assembly; 50. wire coils; 60. a disc brake assembly; 61. a brake disc; 62. disc brake caliper.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
When the existing torsion withdrawing machine is used for paying off, the tension of the torsion withdrawing machine is adjustable in a stepless mode, the tension of a full coil and the tension of an empty coil of a coil plate 50 are deviated, the tension is too large, a cable is easy to break, the tension is too small, and the subsequent cable is easy to loosen.
In order to solve the above technical problem, the present embodiment provides the following technical solutions:
referring to fig. 1-3, the present embodiment provides a constant tension back twist machine, which includes a back twist machine main body 10 for back twisting of cables, a control unit, and a tension detection mechanism 20 disposed at a cable output end of the back twist machine main body 10;
specifically, the tension detection mechanism 20 is in signal connection with the control unit; after the cable is subjected to the back-twist action of the back-twist machine main body 10, the cable firstly passes through the tension detection mechanism 20 in the process of being output to the pair-twisting machine, the tension of the cable is monitored in real time through the tension detection mechanism 20, and tension data are transmitted to the control unit; the control unit controls the back-twisting machine to play a role in regulating and controlling the tension of the cable in real time.
Specifically, the torque releasing machine body 10 includes a motor 30, a torque releasing main wheel 31, a torque releasing shaft wheel 33, a fixed disc 34, a torque releasing disc assembly 40, a torque releasing shaft 35, and a clutch 32 for limiting the rotation speed of the torque releasing shaft 35.
Wherein, the back-twist main wheel 31 and the fixed disc 34 are coaxially and fixedly arranged and drive the fixed disc 34 to rotate; the fixed disc 34 is coaxially and fixedly connected with the untwisting disc assembly 40.
The back-twist shaft wheel 33 and the back-twist shaft 35 are coaxially and fixedly arranged and drive the back-twist shaft 35 to rotate.
Specifically, a power end of the motor 30 is provided with a synchronous belt wheel connected with a back-twist main wheel 31 through a synchronous belt;
specifically, the clutch 32 may be a magnetic powder clutch 32, and the rotating speed of the magnetic powder clutch 32 can be controlled by controlling the input current; the two ends of the clutch 32 are an input end and an output end respectively;
further, the input end of the magnetic powder clutch 32 is in transmission connection with the back-twist main wheel 31, and the output end is in transmission connection with the back-twist shaft wheel 33;
specifically, the torsion withdrawing shaft 35 is used for installing a wire coil 50 provided with a cable;
further, the wire coil 50 is coaxially sleeved on the back-twist shaft 35, and the blue line thereof is led out through the back-twist disc-loading assembly.
Specifically, the control unit is electrically connected to the magnetic particle clutch 32.
The specific working principle is as follows: after the motor 30 is started, the synchronous belt wheel on the power shaft is driven to rotate, and the back-twist main wheel 31 is driven to rotate under the action of the synchronous belt; the back-twist main wheel 31 and a synchronous belt pulley at the input end of the magnetic powder clutch 32 form synchronous rotation through a synchronous belt, and the clutch 32 drives the synchronous belt pulley at the output end of the clutch 32 to rotate; a synchronous belt pulley at the output end of the clutch 32 drives the back-twist shaft wheel 33 to rotate, the back-twist shaft wheel 33 is coaxially and fixedly connected with the back-twist shaft 35 to drive the back-twist shaft 35 to rotate, and a wire coil 50 provided with a cable is sleeved on the back-twist shaft 35 and is driven by the back-twist shaft 35 to rotate directionally; the untwisting main wheel 31 is coaxially and fixedly connected with the fixed disc 34, and the fixed disc 34 is coaxially and fixedly connected with the untwisting disc assembly 40 to drive the untwisting disc assembly 40 to rotate; it can be seen that the speed difference between the de-twist disc assembly 40 and the de-twist shaft 35 depends on the action of the magnetic particle clutch 32; the cable on the wire coil 50 is output to the tension detection mechanism 20 after the back-twist action of the back-twist disc assembly 40;
the tension detection mechanism 20 detects the real-time tension of the passing cable and transmits the tension data to the control unit, and the control unit adjusts the input current of the magnetic powder clutch 32 according to the detected tension so as to control the speed difference and achieve the effect of controlling the tension of the cable.
By adopting the technical scheme provided by the embodiment: compared with the conventional coaxial active torque withdrawing machine, the torque withdrawing machine provided by the embodiment has a simpler structure, adopts a spindle type structure, only needs to directly and coaxially insert the wire coil 50 onto the torque withdrawing shaft 35, does not need to be fixed at two ends of the wire coil 50 like the conventional torque withdrawing machine, is convenient to assemble and disassemble, has a simple structure, and improves the production efficiency; meanwhile, the coaxial arrangement mode enables the back-twist machine to further increase the pay-off capacity, the back-twist machine can be increased to three times of the conventional back-twist machine, the back-twist speed can be further increased, and the production efficiency is greatly improved.
Example 2
The working principle of the tension detection mechanism 20 and the untwister is described in embodiment 1, and the technical solution of the tension detection mechanism 20 will be described in detail in this embodiment.
Referring to fig. 3, the present embodiment provides a constant tension back-twist machine, including the back-twist machine main body 10, the control unit and the tension detection mechanism 20 mentioned in embodiment 1, as a further improvement of the technical solution, the difference between the present embodiment and embodiment 1 is:
specifically, the tension detection mechanism 20 includes a tension wheel frame provided with a tension detection wheel 23 of a roller;
furthermore, the tangential direction of the roller and the tension detection wheel 23 is arranged at an angle with the leading-out direction of the cable;
the specific working principle is as follows: the cable is led out to the tension detection mechanism 20 after the cable is subjected to the back twist action of the back twist machine main body 10, when the tension is increased, the tension of the cable enables the tension detection wheel 23 to be close to the roller, and therefore the tension detection wheel 23 can detect the real-time tension through the pressure action given by the cable;
specifically, the number of the rollers is two, namely a first roller 21 and a second roller 22, and the cable sequentially rolls around the first roller 21, the tension detection wheel 23 and the second roller 22.
Further, the pressure detection data of the river tension detection wheel 23 is transmitted to the signal transmitting unit 25 of the control unit.
In order to further improve the stability of the cable transmission, the present embodiment provides the following technical solutions:
specifically, a porcelain hole fixing block 24 for leading in the cable is arranged on the tension wheel frame. The cable can be accurate leading-in to gyro wheel or tension detection wheel 23 department through the limiting displacement of porcelain hole fixed block 24 before getting into tension detection mechanism 20, further guarantees the precision that detects.
Specifically, the disc brake device further comprises a disc brake assembly 60 which can limit the rotation of the fixed disc 34;
further, the disc brake assembly 60 includes a brake disc 61 disposed coaxially with the fixed disc 34, and a disc brake caliper 62 disposed at an edge of the brake disc 61. The operation of the back-twist machine is stopped in time through the disc brake assembly 60, so that the subsequent assembly and disassembly of the wire coil 50 and the detection of equipment are facilitated.
By adopting the technical scheme provided by the embodiment: the tension of the cable is detected in time through the tension detection wheel 23, the signal transmitting unit 25 transmits pressure detection data of the tension detection wheel 23 to the control unit, and the control unit adjusts the current of the magnetic powder clutch 32 according to the actually monitored cable tension, so that the tension of the cable is regulated and controlled in real time, the constant tension effect in the cable back-twisting process is guaranteed, the cable is protected from being damaged due to overlarge tension, and the product quality is improved.
Example 3
In order to further improve the flexibility of tension control adjustment, the present embodiment provides the following technical solutions:
referring to fig. 1-3, the present embodiment provides a constant tension back-twist machine, including the back-twist machine main body mentioned in embodiment 1, as a further improvement of the technical solution, the difference between the present embodiment and embodiment 1 or 2 is that the tension value of the tension detection mechanism is a quantifiable type, that is, the magnitude of the designated tension on the tension detection mechanism 20 is set, so as to realize the closed-loop control among the tension detection mechanism 20, the control unit and the magnetic particle clutch 32.
Specifically, when the tension is greater than or less than the value set by the tension detection mechanism, the control unit receives the signal and then adjusts the input current of the magnetic powder clutch 32, so as to control the rotating speed of the torsion withdrawing shaft 35 in time and achieve the effect of adjusting the tension in time.
By adopting the technical scheme provided by the embodiment: can quantitatively adjust required tension size, when changing different products and back and twist, can input the tension data of equidimension not, make the machine application scope of backing and twisting that this embodiment provided wider, the flexibility is higher.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments belong to the scope of the technical solution of the present invention.
Claims (6)
1. The constant-tension back-twisting machine is characterized in that: the tension detection mechanism is arranged at the cable output end of the torsion withdrawing machine main body; the tension detection mechanism is in signal connection with the control unit; the back-twist machine main body comprises a back-twist shaft and a clutch used for limiting the rotating speed of the back-twist shaft, and the back-twist shaft is used for installing a wire coil provided with a cable; the control unit is electrically connected with the clutch.
2. The constant tension back-twist machine according to claim 1, characterized in that: the main body of the back-twist machine also comprises a motor, a back-twist main wheel, a back-twist shaft wheel, a fixed disc and a back-twist disc assembly; the back-twist main wheel and the fixed disc are coaxially and fixedly arranged and drive the fixed disc to rotate; the fixed disc is coaxially and fixedly connected with the untwisting disc assembly; the torque withdrawing shaft wheel and the torque withdrawing shaft are coaxially and fixedly arranged and drive the torque withdrawing shaft to rotate; a power end of the motor is provided with a synchronous belt wheel connected with the back-twist main wheel through a synchronous belt; the two ends of the clutch are respectively an input end and an output end, the input end is in transmission connection with the back-twist main wheel, and the output end is in transmission connection with the back-twist shaft wheel; the drum is coaxially sleeved on the back-twist shaft, and the cable of the drum is led out through the back-twist disc assembly.
3. The constant tension back-twist machine according to claim 2, characterized in that: the tension detection mechanism comprises a tension wheel frame provided with a roller and a tension detection wheel; the tangential direction of the roller and the tension detection wheel is arranged at an angle with the leading-out direction of the cable; the tension detection device also comprises a signal transmitting unit which transmits the pressure detection data of the tension detection wheel to the control unit.
4. A constant tension back-twist machine according to claim 3, characterized in that: and a porcelain hole fixing block for leading the cable into is arranged on the tension wheel frame.
5. A constant tension back-twist machine according to claim 3, characterized in that: the clutch is a magnetic powder clutch.
6. A constant tension back-twist machine according to claim 4 or 5, characterized in that: the disc brake component can limit the rotation of the fixed disc; the disc brake assembly comprises a brake disc and a disc brake caliper, the brake disc and the fixed disc are coaxially arranged, and the disc brake caliper is arranged on the edge of the brake disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020009946.5U CN211237816U (en) | 2020-01-03 | 2020-01-03 | Constant tension back-twisting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020009946.5U CN211237816U (en) | 2020-01-03 | 2020-01-03 | Constant tension back-twisting machine |
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| CN211237816U true CN211237816U (en) | 2020-08-11 |
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| CN202020009946.5U Active CN211237816U (en) | 2020-01-03 | 2020-01-03 | Constant tension back-twisting machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112722989A (en) * | 2021-01-19 | 2021-04-30 | 东莞市腾顺电工设备有限公司 | Horizontal back-twist machine |
| CN113126225A (en) * | 2021-04-11 | 2021-07-16 | 陕西理工大学 | Optical cable torsion correcting device |
| CN113178290A (en) * | 2021-03-25 | 2021-07-27 | 上海新时达线缆科技有限公司 | Cable manufacturing method, longitudinal wrapping mold and cable manufacturing equipment |
| CN113184629A (en) * | 2021-03-25 | 2021-07-30 | 上海新时达线缆科技有限公司 | Pay-off tension adjusting device and method and cable manufacturing equipment |
-
2020
- 2020-01-03 CN CN202020009946.5U patent/CN211237816U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112722989A (en) * | 2021-01-19 | 2021-04-30 | 东莞市腾顺电工设备有限公司 | Horizontal back-twist machine |
| CN113178290A (en) * | 2021-03-25 | 2021-07-27 | 上海新时达线缆科技有限公司 | Cable manufacturing method, longitudinal wrapping mold and cable manufacturing equipment |
| CN113184629A (en) * | 2021-03-25 | 2021-07-30 | 上海新时达线缆科技有限公司 | Pay-off tension adjusting device and method and cable manufacturing equipment |
| CN113126225A (en) * | 2021-04-11 | 2021-07-16 | 陕西理工大学 | Optical cable torsion correcting device |
| CN113126225B (en) * | 2021-04-11 | 2023-01-24 | 陕西理工大学 | Optical cable torsion correcting device |
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Effective date of registration: 20210628 Address after: 516029 Desai No.3 Industrial Zone, Zhongkai Avenue, Chenjiang, Huizhou City, Guangdong Province Patentee after: LTK ELECTRIC WIRE (HUIZHOU) Ltd. Patentee after: HUIZHOU LTK ELECTRONIC CABLE Co.,Ltd. Patentee after: LTK ELECTRIC WIRE (CHANGZHOU) Ltd. Patentee after: SHENZHEN WOER SPECIAL CABLE Co.,Ltd. Address before: 516229 Desai No.3 Industrial Zone, Zhongkai Avenue, Chenjiang, Huizhou City, Guangdong Province Patentee before: LTK ELECTRIC WIRE (HUIZHOU) Ltd. Patentee before: HUIZHOU LTK ELECTRONIC CABLE Co.,Ltd. Patentee before: LTK ELECTRIC WIRE (CHANGZHOU) Ltd. Patentee before: SHENZHEN WOER SPECIAL CABLE Co.,Ltd. Patentee before: Shenzhen Woer Heat-shrinkable Material Co.,Ltd. |