CN203399047U - Tension force control unreeling frequency converter apparatus - Google Patents

Tension force control unreeling frequency converter apparatus Download PDF

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Publication number
CN203399047U
CN203399047U CN201320514729.1U CN201320514729U CN203399047U CN 203399047 U CN203399047 U CN 203399047U CN 201320514729 U CN201320514729 U CN 201320514729U CN 203399047 U CN203399047 U CN 203399047U
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CN
China
Prior art keywords
frequency converter
motor
unreeling
tension force
frequency
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Expired - Lifetime
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CN201320514729.1U
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Chinese (zh)
Inventor
王凯
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Suzhou Weichuang Electrical Technology Co ltd
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FLEXTRONICS SHENZHEN CITY ELECTRIC CO Ltd
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Priority to CN201320514729.1U priority Critical patent/CN203399047U/en
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Publication of CN203399047U publication Critical patent/CN203399047U/en
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Abstract

The utility model discloses a tension force control unreeling frequency converter apparatus, comprising a frequency converter, an encoder, a potentiometer, an unreeling motor and a PG card; the frequency converter is provided with a real-time input port, an analog input port and an output port; the encoder is in connection with a motor shaft of an unreeling motor and is also in connection with the real-time input port of the frequency converter through the PG card; the potentiometer is in connection with the analog input port of the frequency converter; the output port of the frequency converter is in connection with the unreeling motor. According to the utility model, the encoder can respond to rotating speeds of the unreeling motor in real time; the PG card collects rotating speed signals and transmits the signals to the frequency converter; the diameter of an unreeling scroll is calculated through the rotating speed signals and the output torque of the unreeling motor is obtained through the diameter of an unreeling scroll and designed material unreeling tension force; finally, the frequency converter outputs an asynchronous speed to form a slip with a motor rotating speed to realize torque control. According to the utility model, unreeling materials can be stable and do not shake; reel alternation can be steady and has no impact in automatic reel alternation processes.

Description

Tension force is controlled and is unreeled frequency-converter device
Technical field
The utility model relates to material rolling field, relates in particular to a kind of tension force control and unreels frequency-converter device.
Background technology
In the material unwindings such as leather, film, cable, the normal magnetic powder brake that adopts comes controlling torque realization to unreel function, but magnetic cannot oppositely tighten up material and control system is comparatively loaded down with trivial details, in use there is following inconvenience in it: system configuration is complicated, unreel torque precision not high, therefore material is easy to occur jitter phenomenon in operating process, material cannot be tightened up fast, and then affect the rolling quality of material and the useful life of system equipment after shake goes offline.
Utility model content
For the weak point existing in above-mentioned technology, the utility model provides a kind of simple in structure, simple operation and unreels tension force that torque precision is high and controls and unreel frequency-converter device, can realize the asynchronous torque that unreels motor by Frequency Converter Control and control.
For achieving the above object, the utility model provides a kind of tension force to control and unreels frequency-converter device, comprises frequency converter, encoder, potentiometer, unreels motor and for the motor speed signal of capturing and coding device and be transferred to the PG card of frequency converter; Described frequency converter is provided with real-time amount input port, analog quantity input and delivery outlet, described encoder is connected on the motor shaft that unreels motor and by PG card and is connected with the real-time amount input port of frequency converter, described potentiometer is connected with the analog quantity input of frequency converter, the delivery outlet of described frequency converter with unreel motor and be connected.
Wherein, described device also comprises control button, is also provided with control terminal on described frequency converter, and described control button is connected with the control terminal of frequency converter.
Wherein, described control button comprises switch key, predrive button and fine setting button; Described switch key, predrive button and fine setting button are connected with frequency converter respectively.
Wherein, described in, unreel the power of motor identical with the power of frequency converter.
The beneficial effects of the utility model are: compared with prior art, the tension force that the utility model provides is controlled and is unreeled frequency-converter device, encoder is connected on the motor shaft that unreels motor and its synchronous operation, the rotating speed that can real time reaction unreels motor, PG card gathers tach signal and is transferred to frequency converter, by this tach signal, calculate the reel diameter unreeling, material unwinding tension force by reel diameter and setting obtains the output torque that unreels motor more again, finally, by frequency converter, export a synchronous speed and unreel rotating speed between motor and form slip and realize torque and control.This device can be realized the steady non-jitter that unreels material, when going offline, can fast wire rod be tightened up, and automatically in change of lap process, by predrive, can realize change of lap steadily without impacting.The utlity model has that structure letter is answered, reasonable in design, simple operation, unreel the features such as the high and long service life of torque precision.
Accompanying drawing explanation
Fig. 1 is that tension force of the present utility model is controlled the structural representation that unreels frequency-converter device.
Main element symbol description is as follows:
10, frequency converter 11, encoder
12, potentiometer 13, unreel motor
14, PG card 15, control button
Embodiment
In order more clearly to explain the utility model, below in conjunction with accompanying drawing, the utility model is further described.
Refer to Fig. 1, tension force of the present utility model is controlled and is unreeled frequency-converter device, comprises frequency converter 10, encoder 11, potentiometer 12, unreels motor 13 and for the motor speed signal of capturing and coding device 11 and be transferred to the PG card 14 of frequency converter 10; Frequency converter 10 is provided with real-time amount input port, analog quantity input and delivery outlet, encoder 11 is connected on the motor shaft that unreels motor 13 and by PG card 14 and is connected with the real-time amount input port of frequency converter 10, potentiometer 12 is connected with the analog quantity input of frequency converter 10, the delivery outlet of frequency converter 10 with unreel motor 13 and be connected.
Situation compared to prior art, the tension force that the utility model provides is controlled and is unreeled frequency-converter device, encoder 11 is connected on the motor shaft that unreels motor 13 and its synchronous operation, the rotating speed that can real time reaction unreels motor 13, PG card 14 gathers tach signal and is transferred to frequency converter 10, by this tach signal, calculate the reel diameter unreeling, material unwinding tension force by reel diameter and setting obtains the output torque that unreels motor 13 more again, finally, by synchronous speeds of frequency converter 10 output with unreel rotating speed formation slip between motor 13 and realize torque and control.This device can be realized the steady non-jitter that unreels material, when going offline, can fast wire rod be tightened up, and automatically in change of lap process, by predrive, can realize change of lap steadily without impacting.The utlity model has that structure letter is answered, reasonable in design, simple operation, unreel the features such as the high and long service life of torque precision.
In the present embodiment, device also comprises controls button 15, is also provided with control terminal on frequency converter 10, controls button 15 and is connected with the control terminal of frequency converter 10.Control button 15 and comprise switch key, predrive button and fine setting button; Switch key, predrive button and fine setting button are connected with frequency converter 10 respectively.Start and stop and the predrive of by above-mentioned different types of control button 15, controlling frequency converter 10 are controlled; the kind of this control button 15 is not limited to above-mentioned several; can also be other buttons such as temporary transient button; if to controlling the change of button 15 kinds; so also can be understood as simple deformation of the present utility model or conversion, fall into protection range of the present utility model.
In the present embodiment, unreel the power of motor 13 identical with the power of frequency converter 10.As the power that unreels motor 13 and frequency converter 10 is 5.5KW or 7.5KW, two application examples are below provided, the concrete use of this device is further elaborated.
One, tension force is controlled and is unreeled the application of frequency-converter device on thin-film material unreels: by 10 1 of 5.5KW tension control conversion devices, 11 1 of the encoders of rotation, 14 1, PG card, a plurality of control buttons 15, 12 1, potentiometer, unreel 13 1, motor and one, cabinet is installed, by frequency converter 10, encoder 11, PG card 14, control button 15, potentiometer 12 and unreel motor 13 and be all arranged on installation cashier's office in a shop, encoder 11 is connected on the motor shaft that unreels motor 13 and unreels motor 13 and synchronize, the tach signal that unreels motor 13 that PG card 14 gathers encoder 11 is transferred to frequency converter 10, by control terminal, connect and control button 15 and control start and stop and the predrive of frequency converter 10 and control, 5.5KW tension control conversion device 10 drives a 5.5KW to unreel motor 13, potentiometer 12 is connected to the analog quantity input of frequency converter 10, given for adjustment of tonicity, encoder 11 is connected on motor shaft and unreels motor 13 motors and synchronize, be used for reacting constantly motor speed.At the material unwinding initial stage, do not know that tension force arranges much, can with hand touching thin-film material, experience tension force situation with the slight adjustment of tonicity of potentiometer 12 is given simultaneously, when the tension force of impression is enough by the time, no longer regulates and open given potentiometer 12.The rate signal that frequency converter 10 receives front machine calculates the torque that coil diameter regulates rolling, and the reel diameter error of calculation is in +/-5mm scope, and whole to unreel process very steady, and film is without stretcher strain phenomenon.
Two, tension force is controlled and to be unreeled the application of frequency-converter device on leather substance unreels: by 14 1,11 1 of encoders, PG card, a plurality of control button 15,12 1, the potentiometer of 10 1 of 7.5KW tension control conversion devices, rotation, unreel 13 1, motor and one, cabinet is installed, by frequency converter 10, encoder 11, PG card 14, control button 15, potentiometer 12 and unreel motor 13 and be all arranged on installation cashier's office in a shop.Encoder 11 is connected on the motor shaft that unreels motor 13 and unreels motor 13 and synchronize, the tach signal that unreels motor 13 that PG card 14 gathers encoder 11 is transferred to frequency converter 10, by control terminal, connect and control button 15 and control start and stop and the predrive of frequency converter 10 and control, 7.5KW tension control conversion device 10 drives a 7.5KW to unreel motor 13, potentiometer 12 is connected to the analog quantity input of frequency converter 11, given for adjustment of tonicity, encoder 11 is connected on motor shaft and unreels motor 13 motors and synchronize, and is used for reacting constantly motor speed.At the material unwinding initial stage, do not know that tension force arranges much, can with hand touching leather substance, experience tension force situation with the slight adjustment of tonicity of potentiometer 12 is given simultaneously, when the tension force of impression is enough by the time, no longer regulates and open given potentiometer 12.The rate signal that frequency converter 10 receives front machine calculates the torque that coil diameter regulates rolling, and the reel diameter error of calculation is in +/-5mm scope, and whole to unreel process very steady, and leather is without stretcher strain phenomenon.
The tension force that the utility model provides is controlled and is unreeled frequency-converter device, and its job step is as follows: the first step, according to encoder 11, gather the rotating speed that unreels motor 13, and the rotating speed that unreels motor 13 by calculating calculates the reel diameter that unreels motor 13; Second step, obtains and unreels the output torque that motor 13 needs according to the material unwinding tension force of the reel diameter calculating and setting; The 4th step, what by measuring and calculating, obtain unreels the synchronous speed that motor 13 rotating speeds and rolling need torque meter to calculate to unreel motor 13; The 4th step, by synchronous speeds of frequency converter 10 output with unreel rotating speed formation slip between motor 13 and realize torque and control.This device is when just starting working, it is much that the material unwinding initial stage does not know that tension force arranges, can be given by the slight adjustment of tonicity of potentiometer 12, with hand touching material, experience tension force situation simultaneously, when the tension force of impression is enough by the time, no longer regulates and open given potentiometer 12, the real-time amount input port of frequency converter 10 starts work, and the analog quantity input of frequency converter 10 quits work.
Disclosed is above only several specific embodiment of the present utility model, but the utility model is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection range of the present utility model.

Claims (4)

1. tension force is controlled and to be unreeled a frequency-converter device, it is characterized in that, comprises frequency converter, encoder, potentiometer, unreels motor and for the motor speed signal of capturing and coding device and be transferred to the PG card of frequency converter; Described frequency converter is provided with real-time amount input port, analog quantity input and delivery outlet, described encoder is connected on the motor shaft that unreels motor and by PG card and is connected with the real-time amount input port of frequency converter, described potentiometer is connected with the analog quantity input of frequency converter, the delivery outlet of described frequency converter with unreel motor and be connected.
2. tension force according to claim 1 is controlled and is unreeled frequency-converter device, it is characterized in that, described device also comprises control button, is also provided with control terminal on described frequency converter, and described control button is connected with the control terminal of frequency converter.
3. tension force according to claim 2 is controlled and is unreeled frequency-converter device, it is characterized in that, described control button comprises switch key, predrive button and fine setting button; Described switch key, predrive button and fine setting button are connected with frequency converter respectively.
4. according to tension force described in claim 1-3 any one, control and unreel frequency-converter device, it is characterized in that, described in to unreel the power of motor identical with the power of frequency converter.
CN201320514729.1U 2013-08-22 2013-08-22 Tension force control unreeling frequency converter apparatus Expired - Lifetime CN203399047U (en)

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CN201320514729.1U CN203399047U (en) 2013-08-22 2013-08-22 Tension force control unreeling frequency converter apparatus

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Application Number Priority Date Filing Date Title
CN201320514729.1U CN203399047U (en) 2013-08-22 2013-08-22 Tension force control unreeling frequency converter apparatus

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104692173A (en) * 2014-12-25 2015-06-10 陕西北人印刷机械有限责任公司 Roll diameter calculation device and calculation method for printing equipment
CN106144768A (en) * 2015-04-28 2016-11-23 博尔富(江苏)实业有限公司 Takeup tension closed-loop control system
CN108349682A (en) * 2015-11-04 2018-07-31 西达尔特·洛希亚 With the device and method of reel diameter adjustment winding tension
CN114162667A (en) * 2021-11-24 2022-03-11 深圳市海浦蒙特科技有限公司 Method and device for controlling tension of material tray of roll cage welding machine, welding machine equipment and storage medium

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104692173A (en) * 2014-12-25 2015-06-10 陕西北人印刷机械有限责任公司 Roll diameter calculation device and calculation method for printing equipment
CN106144768A (en) * 2015-04-28 2016-11-23 博尔富(江苏)实业有限公司 Takeup tension closed-loop control system
CN108349682A (en) * 2015-11-04 2018-07-31 西达尔特·洛希亚 With the device and method of reel diameter adjustment winding tension
CN108349682B (en) * 2015-11-04 2019-09-27 西达尔特·洛希亚 With the device and method of reel diameter adjustment winding tension
CN114162667A (en) * 2021-11-24 2022-03-11 深圳市海浦蒙特科技有限公司 Method and device for controlling tension of material tray of roll cage welding machine, welding machine equipment and storage medium
CN114162667B (en) * 2021-11-24 2023-08-11 深圳市海浦蒙特科技有限公司 Method and device for controlling tension of material disc of rolling cage welding machine, welding machine equipment and storage medium

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20181114

Address after: 215000 No. 1000 Songhua Road, Guo Xiang street, Wuzhong Economic and Technological Development Zone, Suzhou, Jiangsu

Patentee after: SUZHOU WEICHUANG ELECTRICAL EQUIPMENT TECHNOLOGY Co.,Ltd.

Address before: 518000 Baoan District Shiyan street, Shenzhen, Guangdong Province, the third phase of the two phase Industrial Zone, C

Patentee before: SHENZHEN VEICHI ELECTRIC CO.,LTD.

CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 215000 No. 1000 Songhua Road, Guo Xiang street, Wuzhong Economic and Technological Development Zone, Suzhou, Jiangsu

Patentee after: Suzhou Weichuang Electrical Technology Co.,Ltd.

Address before: 215000 No. 1000 Songhua Road, Guo Xiang street, Wuzhong Economic and Technological Development Zone, Suzhou, Jiangsu

Patentee before: SUZHOU WEICHUANG ELECTRICAL EQUIPMENT TECHNOLOGY Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20140115