CN207844638U - PVC/PVG unitary-core flame-resistant band production line constant tension control devices - Google Patents
PVC/PVG unitary-core flame-resistant band production line constant tension control devices Download PDFInfo
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- CN207844638U CN207844638U CN201820240923.8U CN201820240923U CN207844638U CN 207844638 U CN207844638 U CN 207844638U CN 201820240923 U CN201820240923 U CN 201820240923U CN 207844638 U CN207844638 U CN 207844638U
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- draft gear
- gear motor
- rotary encoder
- tension
- frequency converter
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Abstract
The utility model is related to tension control technology field, specifically a kind of PVC/PVG unitary-core flame-resistants band production line constant tension control device.The tension sensor of the utility model connects A/D converter, A/D converter connects PLC, the PLC connections touch screen, the first frequency converter and the second frequency converter, first frequency converter connects main draft gear motor and the first rotary encoder, main draft gear motor connects the first rotary encoder, second frequency converter auxiliary connection draft gear motor and the second rotary encoder, secondary draft gear motor connect the second rotary encoder.The utility model passes through between the station between main traction station and secondary traction, tension detecting apparatus is added in pair traction station side, the belt carcass actual tension of detection passes through PLC programmable controller, it is compared with the tension setting value of touch screen input and actuarial, a controlled quentity controlled variable is exported to draw to secondary, the linear differential between main traction and secondary traction is controlled, to realize constant tensile control.
Description
Technical field
The utility model is related to tension control technology field, specifically a kind of PVC/PVG unitary-core flame-resistants band production line
Constant tension control device.
Background technology
The application of PVC/PVG unitary-core flame-resistant bands is in more and more, the trend of big substituted layering conveyer belt, and tradition PVC/
In manufacture and application process of the PVG unitary-core flame-resistants with production line, since production line is long, the big belt carcass tension of resistance is difficult to constant control
System not can effectively solve the problem that the problem of constant-tension controls, completed belt caused to occur sideslip and service life in use
The problems such as reduction.
Utility model content
Place aiming at the above shortcomings existing in the prior art, the technical problem to be solved by the present invention is to provide one kind
PVC/PVG unitary-core flame-resistant band production line constant tension control devices.
The utility model technical solution used for the above purpose is：A kind of PVC/PVG unitary-core flame-resistants band production
Line constant tension control device includes for detecting the tension sensor of belt carcass tension, A/D converter, for receiving from outside
The touch screen of the tension value of input, the secondary traction dress of the detection data output for being sent out according to the tension value and tension sensor
Set the PLC of motor lines speed parameter, the first frequency converter for controlling main draft gear motor linear velocity, main draft gear electricity
Machine, the first rotary encoder, the second frequency converter for controlling secondary draft gear motor linear velocity, secondary draft gear motor, the
Two rotary encoders；The tension sensor connects the A/D converter, and the A/D converter connects the PLC, the PLC
Connect the touch screen, first frequency converter and second frequency converter, the first frequency converter connection main traction dress
Set motor and first rotary encoder, the main draft gear motor connects first rotary encoder, and described second
The frequency converter connection secondary draft gear motor and second rotary encoder, the pair draft gear motor connection described the
Two rotary encoders.
Further include the direct-current switch power supply for providing operating current, connect the tension sensor, A/D converter and
PLC。
The utility model has the following advantages and advantageous effect：
1, the utility model is by the way that between the station between main traction station and secondary traction, tension detection is added in pair traction station side
The belt carcass actual tension of device, detection be compared with the tension setting value of touch screen input by PLC programmable controller and
Actuarial exports a controlled quentity controlled variable and is drawn to secondary, the linear differential between main traction and secondary traction controlled, to realize identical tension control
System.
2, the utility model is by constant tensile control, and simulation PVC/PVG unitary-core flame-resistants band is required for actual motion environment
Tensity size, reduce later stage deformation, sideslip improves product quality and service life.
Description of the drawings
Fig. 1 is the installation diagram of the utility model；
Fig. 2 is the circuit block diagram of the utility model.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
As shown in Figure 1, secondary draft gear motor is mounted on the belt carcass inlet of plasticizing box front.Tension sensor is mounted on
Between secondary draft gear motor and plasticizing box front, belt carcass tension is detected by deflector roll.Main draft gear motor is mounted on plasticizing
The belt carcass outlet port at case rear portion.
As shown in Fig. 2, a kind of PVC/PVG unitary-core flame-resistants band production line constant tension control device, including be used to detect belt carcass
The tension sensor of tension, A/D converter, for receiving touch screen from externally input tension value, for according to
The detection data that tension value and tension sensor are sent out exports the PLC of secondary draft gear motor lines speed parameter, for controlling master
First frequency converter of draft gear motor linear velocity, main draft gear motor, the first rotary encoder, for controlling secondary traction dress
Set the second frequency converter, secondary draft gear motor, the second rotary encoder of motor linear velocity；Described in the tension sensor connection
A/D converter, the A/D converter connect the PLC, the PLC connections touch screen, first frequency converter and described
Second frequency converter, first frequency converter connects the main draft gear motor and first rotary encoder, the master lead
Leading-in device motor connects first rotary encoder, the second frequency converter connection secondary draft gear motor and described the
Two rotary encoders, the pair draft gear motor connect second rotary encoder.Further include for providing operating current
Direct-current switch power supply, connect the tension sensor, A/D converter and PLC.
Tension sensor detects belt carcass tension, is input to PLC by A/D converter, PLC is according to set by touch screen
Power numerical value compared with being detected with tension sensor, controls secondary draft gear motor linear velocity, is formed between main draft gear motor
Linear differential forms the constant-tension of needs.Specially：1. the rotating speed of main draft gear motor is arranged, the fortune of production line is determined
Scanning frequency degree；2. belt carcass S types pass through tension sensor；3. needed according to the main traction electric machine rotating speed and production technology of setting
Force value is exported the given value of secondary draft gear motor speed by PLC operations (PID and functional operation), controls secondary draft gear motor
Linear velocity, realize constant tensile control between main draft gear and secondary draft gear.The secondary traction dress of second rotary encoder feedback
Motor speed is set, velocity close-loop control is formed, improves control accuracy.Main draft gear motor and the control of the first rotary encoder are led
Machine running speed.Direct-current switch power supply is powered to tension sensor, A/D converter, PLC.
In one embodiment of the utility model, the model CFBLZ that tension sensor uses, precision 0.3%
FS, range are：10T.Frequency converter uses ABB ACS510.Touch screen leads to PA100 using screen.PLC uses Mitsubishi FX3U.
Claims (2)
1. a kind of PVC/PVG unitary-core flame-resistants band production line constant tension control device, which is characterized in that including being used to detect belt carcass
The tension sensor of power, A/D converter, for receiving touch screen from externally input tension value, for according to described
The PLC for the secondary draft gear motor lines speed parameter of detection data output that force value and tension sensor are sent out, it is led for controlling master
First frequency converter of leading-in device motor linear velocity, main draft gear motor, the first rotary encoder, for controlling secondary draft gear
Second frequency converter of motor linear velocity, secondary draft gear motor, the second rotary encoder；The tension sensor connects the A/
D converters, the A/D converter connect the PLC, the PLC connections touch screen, first frequency converter and described the
Two frequency converters, first frequency converter connect the main draft gear motor and first rotary encoder, the main traction
Device motor connects first rotary encoder, the second frequency converter connection secondary draft gear motor and described second
Rotary encoder, the pair draft gear motor connect second rotary encoder.
2. PVC/PVG unitary-core flame-resistants band production line constant tension control device according to claim 1, which is characterized in that also
Include the direct-current switch power supply for providing operating current, connects the tension sensor, A/D converter and PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820240923.8U CN207844638U (en) | 2018-02-09 | 2018-02-09 | PVC/PVG unitary-core flame-resistant band production line constant tension control devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820240923.8U CN207844638U (en) | 2018-02-09 | 2018-02-09 | PVC/PVG unitary-core flame-resistant band production line constant tension control devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207844638U true CN207844638U (en) | 2018-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820240923.8U Active CN207844638U (en) | 2018-02-09 | 2018-02-09 | PVC/PVG unitary-core flame-resistant band production line constant tension control devices |
Country Status (1)
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| CN (1) | CN207844638U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373082A (en) * | 2020-10-15 | 2021-02-19 | 沈阳城市公用集团橡胶制品有限公司 | Production system and method of flame-retardant conveying belt |
-
2018
- 2018-02-09 CN CN201820240923.8U patent/CN207844638U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373082A (en) * | 2020-10-15 | 2021-02-19 | 沈阳城市公用集团橡胶制品有限公司 | Production system and method of flame-retardant conveying belt |
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