CN207851595U - Tension control system for PVB windings - Google Patents

Tension control system for PVB windings Download PDF

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Publication number
CN207851595U
CN207851595U CN201820356039.0U CN201820356039U CN207851595U CN 207851595 U CN207851595 U CN 207851595U CN 201820356039 U CN201820356039 U CN 201820356039U CN 207851595 U CN207851595 U CN 207851595U
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China
Prior art keywords
pvb
tension
wind
roll
coats
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CN201820356039.0U
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Chinese (zh)
Inventor
辛文胜
秦杨
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CHINA GWELL MACHINERY Co Ltd
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CHINA GWELL MACHINERY Co Ltd
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Priority to CN201820356039.0U priority Critical patent/CN207851595U/en
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Abstract

The utility model discloses a kind of tension control system for PVB windings, belong to technical field of plastic, the technical problem that the operation and tension control that solves PVB rolling-up mechanisms in the prior art is cumbersome, degree of regulation is not high, the system includes rolling-up mechanism and control unit, and rolling-up mechanism includes wind-up roll, contact roller and winding motor;Control unit includes passing through the sequentially connected data inserter of signal, grating scale, servo controller with a data processor;The utility model reads the coil diameter information of PVB intermediate coats by the way that grating scale is arranged in real time, tension parameters are inputted by loader, data processor can obtain the moment information of wind-up roll according to coil diameter information and tension parameters, and rolling speed is adjusted by servo controller, therefore, operate more convenient, control accuracy higher.

Description

Tension control system for PVB windings
Technical field
It is the utility model is related to technical field of plastic, more particularly to a kind of for adjusting PVB windings in winder The control system of power.
Background technology
PVB intermediate coats are a kind of high molecular materials for being plasticized extrusion forming through plasticizer by polyvinyl butyral resin, It is widely used in the industries such as building, automobile, photovoltaic.In the prior art, PVB intermediate coats winding when with take-up diameter increasing Greatly, the tension that PVB intermediate coats are subject to is, in order to adjust this strand of tension, usually to pass through tension sensor and tension control in variation Device processed is adjusted, but such regulating mechanism has many defects, for example, the cost of tension sensor, tension controller It is higher;Secondly, tension controller inner parameter is more and complicated, and adjusting personnel grasp to get up to be not easy to, and operates more numerous It is trivial;Finally, tension precision is high, system response is bad and tension decay effect after increasing with coil diameter for tension controller control It is not obvious, leads to the tension of film roll among the PVB of part, influence product quality.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide that a kind of degree of regulation is higher, simple operation For PVB winding tension control system.
In order to realize the purpose of above-mentioned utility model, the utility model adopts the following technical solution:
A kind of tension control system for PVB windings, including:
Rolling-up mechanism comprising for wind the wind-up roll of PVB intermediate coats, contacted with the wind-up roll rolling friction and Contact roller for measuring the PVB intermediate coats coil diameter and the winding motor with the wind-up roll drive connection;With
Control unit comprising the data processor with input terminal and output end, the input with the data processor End, which is connected and can receive user, to be inputted the data inserter of tension parameters information, is connected with the output end of the data processor And grating scale, the output end with the data processor for the PVB intermediate coat coil diameter information that the contact roller measures can be read It is connected and can adjust the servo controller of the winding motor rotating speed.
In above-mentioned technical proposal, it is preferred that the data processor is Siemens 200PLC.
In above-mentioned technical proposal, it is preferred that the data inserter is Siemens's SMART700 touch screens.
The utility model obtains following advantageous effect compared with prior art:The utility model is real-time by the way that grating scale is arranged Read PVB intermediate coats coil diameter information, by loader input tension parameters, data processor can according to coil diameter information and Force parameter obtains the moment information of wind-up roll, and adjusts rolling speed by servo controller, and therefore, operation is more convenient, Control accuracy higher.
Description of the drawings
Attached drawing 1 is the tension control system structural schematic diagram that the utility model is used for PVB windings;
Wherein:100, tension control system;10, PVB intermediate coats;1, rolling-up mechanism;11, wind-up roll;12, roller is contacted;13、 Winding motor;2, control unit;21, data processor;22, data inserter;23, grating scale;24, servo controller.
Specific implementation mode
For technology contents, construction feature, institute's reached purpose and effect of utility model is described in detail, below in conjunction with implementation Example simultaneously coordinates attached drawing to be described in detail.
With reference to the accompanying drawings shown in 1, which includes rolling-up mechanism 1 and control unit 2, wherein rolling-up mechanism 1 includes wind-up roll 11, contact roller 12 and winding motor 13, and wind-up roll 11 is mainly used for winding PVB intermediate coats 10, contact roller 12 with 11 rolling friction of wind-up roll contacts, and is contacted with the outer surface of PVB intermediate coats 10, when wind-up roll 11 starts to wind PVB intermediate coats When 10, with the increase of coil diameter, contact roller 12 can move along a straight line, and PVB intermediate coats 10 are measured during winding Coil diameter, winding motor 13 are sequentially connected with 11 phase of wind-up roll, are mainly used for adjusting the rolling speed of wind-up roll 11.Control unit 2 include data processor 21, which is connected with data inserter 22, grating scale 23 in turn by signal and watches Take controller 24.In this example, data processor 21 is preferably Siemens 200PLC, and data inserter 22 is preferably Siemens SMART700 touch screens.Wherein, data inserter 22 can receive tension parameters information input by user, and grating scale 23 can be real When read contact roller 12 measure PVB intermediate coats 10 coil diameter information.
The operation principle of the system is as follows:During wind-up roll 11 winds PVB intermediate coats 10, grating scale 23 reads contact roller The coil diameter information of the 12 PVB intermediate coats 10 measured(Coil diameter information herein is the winding radius of PVB intermediate coats, is indicated with R), and This coil diameter information is fed back into PLC by signal, finally can real-time display on the touchscreen, user can be defeated by touch screen Enter corresponding winding tension parameter under different 10 coil diameters of PVB intermediate coats(Tension parameters herein are PVB intermediate coats in wrapup procedure In required tension value, indicated with F), PLC can be according to following formula:
T(Tension torque)=F(Tension)*R(Wind radius)
The moment information of PVB intermediate coats 10 is calculated, and servo controller 24 is controlled by signal, and then adjusts wind-up roll 11 rotating speed, to adapt to 10 required tension of PVB intermediate coats under different coil diameters.For example, since PVB intermediate coats 10 were being wound Cheng Zhong, with the increase of coil diameter, the tension that PVB intermediate coats 10 need will reduce, and just be unlikely in this way in wrapup procedure in PVB Between film 10 caused surface undergoes deformation by overtension, influence quality of item.For this problem, this system has done multistage Power decays, and is exactly increased within the scope of some in coil diameter(Such as 150~200 ㎜;200~250 ㎜ etc., each section of coil diameter range One tension parameters of interior correspondence), user only need to pass through the corresponding tension parameters information of touch screen input according to current coil diameter range , in this way, can ensure during 10 coil diameter of PVB intermediate coats is increased so that the tension stability of PVB intermediate coats 10 becomes Change, ensures the surface quality of 10 product of PVB intermediate coats.In conclusion the system operatio is more convenient, control accuracy is higher.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique Personage can understand the content of the utility model and implement according to this, the scope of protection of the utility model can not be limited with this. It is all according to equivalent change or modification made by the spirit of the present invention, should be covered within the scope of the utility model.

Claims (3)

1. a kind of tension control system for PVB windings, which is characterized in that including:
Rolling-up mechanism(1)Comprising the wind-up roll for winding PVB intermediate coats(11)And the wind-up roll(11)Rolling rubs Wipe contact and the contact roller for measuring the PVB intermediate coats coil diameter(12)And with the wind-up roll(11)It is sequentially connected Winding motor(13);With
Control unit(2)Comprising carry the data processor of input terminal and output end(21)And the data processor(21) Input terminal be connected and can receive user input tension parameters information data inserter(22)And the data processor (21)Output end be connected and the contact roller can be read(12)The grating scale of the PVB intermediate coat coil diameter information of measurement(23)、 With the data processor(21)Output end be connected and the winding motor can be adjusted(13)The servo controller of rotating speed (24).
2. the tension control system according to claim 1 for PVB windings, it is characterised in that:The data processing Device(21)For Siemens 200PLC.
3. the tension control system according to claim 1 for PVB windings, it is characterised in that:The data input Device(22)For Siemens's SMART700 touch screens.
CN201820356039.0U 2018-03-15 2018-03-15 Tension control system for PVB windings Active CN207851595U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820356039.0U CN207851595U (en) 2018-03-15 2018-03-15 Tension control system for PVB windings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820356039.0U CN207851595U (en) 2018-03-15 2018-03-15 Tension control system for PVB windings

Publications (1)

Publication Number Publication Date
CN207851595U true CN207851595U (en) 2018-09-11

Family

ID=63424297

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820356039.0U Active CN207851595U (en) 2018-03-15 2018-03-15 Tension control system for PVB windings

Country Status (1)

Country Link
CN (1) CN207851595U (en)

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