CN203699508U - Constant tension force unreeling system - Google Patents
Constant tension force unreeling system Download PDFInfo
- Publication number
- CN203699508U CN203699508U CN201320891614.4U CN201320891614U CN203699508U CN 203699508 U CN203699508 U CN 203699508U CN 201320891614 U CN201320891614 U CN 201320891614U CN 203699508 U CN203699508 U CN 203699508U
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- China
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- material volume
- electrically connected
- tension force
- programmable logic
- logic controller
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- Tension Adjustment In Filamentary Materials (AREA)
Abstract
The utility model relates to an unreeling system, particularly a constant tension force unreeling system. A constant tension force unreeling system comprises a programmable logic controller, a tension force transducer, a pressure transducer, a cylinder, a proportioning valve, a first material roll and a second material roll, wherein output terminals of both the first material roll and the second material roll are electrically connected with the input terminal of the tension force transducer; the output terminal of the tension force transducer is electrically connected with the input terminal of the pressure transducer; the output terminal of the pressure transducer is electrically connected with the input terminal of the programmable logic controller; the output terminal of the programmable logic controller is electrically connected with the input terminal of the proportioning valve; the output terminal of the proportioning valve is electrically connected with the input terminal of the cylinder; and the output terminal of the cylinder is electrically connected with the input terminals of the first material roll and the second material roll. In the utility model, the programmable logic controller is adopted; the tension force is changed and the tension force is guaranteed to be constant when unreels by changing the pressure of the cylinder; advantages of novel composition, reasonable design and convenient adjusting are provided; and favorable condition for unreeling automation in industries is created.
Description
Technical field
The utility model relates to the system of unreeling, and especially a kind of permanent tension force unreels system.
Background technology
Generally, material volume adopts the mode of operation of the using and the reserved, adopts two material volumes (the first material volume and the second material volume), and in the time of the first material volume blowing, the second material is rolled up in the state of standing ready; When the first material volume is finished, automatically or the work of manual switchover to the second material volume at once, to guarantee that board uninterruptedly produces.In said process, while unreeling, must guarantee the constant tension of material, just can guarantee that material can not be stretched and cause the impaired even material of product design to be pulled off.
In prior art, unreel constant tension control system constituent components and be generally the assemblies such as nature's mystery magnetic-powder clutch, nature's mystery electromagnetic power brake, tension control assembly and tension pick-up, the stability of this systematic influence tension force control, and regulate trouble.For this reason, produce a kind of tension control system unreeling, dragged the realization of material volume by transducer drive asynchronous dynamo and unreel action.In this scheme, each material volume need to be joined a frequency converter and a motor, and the using and the reserved are one group, need two frequency converters.Afterwards, in order to save cost and to avoid interference, improve scheme, and adopted separate unit frequency converter to substitute two frequency converters, but still had the problem of adjustment of tonicity trouble.
Utility model content
The technical problems to be solved in the utility model is: based on the problems referred to above, provide a kind of permanent tension force that facilitates adjustment of tonicity to unreel system.
The utility model solves the technical scheme that its technical matters adopts: a kind of permanent tension force unreels system, comprise programmable logic controller (PLC), tension pick-up, pressure sensor, cylinder, apportioning valve, the first material volume and the second material volume, the mouth of described the first material volume and the second material volume is electrically connected with the input end of tension pick-up, the mouth of tension pick-up is electrically connected with the input end of pressure sensor, the mouth of pressure sensor is electrically connected with the input end of programmable logic controller (PLC), the mouth of programmable logic controller (PLC) is electrically connected with the input end of apportioning valve, the mouth of apportioning valve is electrically connected with the input end of cylinder, the mouth of cylinder is electrically connected with the input end of the first material volume and the second material volume, simultaneously, the mouth of programmable logic controller (PLC) is also electrically connected with the input end of the first material volume and the second material volume, to control unreeling of the first material volume and the second material volume.
The tension force of cotton rope while unreeling in order to record more accurately, described tension pick-up is positioned on the bin of placing the first material volume and the second material volume.
Further, for the ease of the air pressure of adjusting cylinders, described apportioning valve is between two bins.
The beneficial effects of the utility model are: the utility model adopts programmable logic controller (PLC), when changing tension force and guarantee to unreel by changing the pressure of cylinder, tension force is constant, and novel structure is reasonable in design, easy to adjust, for the process that unreels automation in the industry has been created advantage.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is control flow chart of the present utility model.
In figure: 1. programmable logic controller (PLC), 2. tension pick-up, 3. pressure sensor, 4. cylinder, 5. apportioning valve, 6. the first material volume, 7. the second material volume, 8. bin.
The specific embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, and basic structure of the present utility model is only described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Figure 1, a kind of permanent tension force unreels system, comprise programmable logic controller (PLC) 1, tension pick-up 2, pressure sensor 3, cylinder 4, apportioning valve 5, the first material volume 6 and the second material volume 7, the mouth of the first material 6 volumes and the second material volume 7 is electrically connected with the input end of tension pick-up 3, the mouth of tension pick-up 2 is electrically connected with the input end of pressure sensor 3, the mouth of pressure sensor 3 is electrically connected with the input end of programmable logic controller (PLC) 1, the mouth of programmable logic controller (PLC) 1 is electrically connected with the input end of apportioning valve 5, the mouth of apportioning valve 5 is electrically connected with the input end of cylinder 4, the mouth of cylinder 4 is electrically connected with the input end of the first material volume 6 and the second material volume 7, simultaneously, the mouth of programmable logic controller (PLC) 1 is also electrically connected with the input end of the first material volume 6 and the second material volume 7, to control unreeling of the first material volume 6 and the second material volume 7.
The tension force of cotton rope while unreeling in order to record more accurately, tension pick-up 2 is positioned on the bin 8 of placing the first material volume 6 and the second material volume 7.
Further, for the ease of the air pressure of adjusting cylinders 4, apportioning valve 5 is between two bins 8.
Control flow chart as shown in Figure 2, principle of work is: the first material volume 6 controlled by programmable logic controller (PLC) 1 or the second material volume 7 unreels, because after the first material volume 6 has unreeled, just automatically unreel the second material volume 7, the first material volume 6 is also changed complete simultaneously, while discharging in order to the second material volume 7, use, so repeatedly, tension pick-up 2 tension force on cotton rope when unreeling is passed to programmable logic controller (PLC) 1 by pressure sensor 3, the data that programmable logic controller (PLC) 1 comes by pressure sensor 3 transmission remove to regulate apportioning valve 5, by regulating apportioning valve 5 to carry out the air pressure of adjusting cylinders 4, cylinder 4 is acted on the first material volume 6 or the second material volume 7, keep the constant of tension force.
Take above-mentioned foundation desirable embodiment of the present utility model as enlightenment, by above-mentioned description, relevant staff can, not departing from the scope of this utility model technological thought, carry out various change and modification completely.The technical scope of this utility model is not limited to the content on specification sheets, must determine its technical scope according to claim scope.
Claims (3)
1. a permanent tension force unreels system, it is characterized in that: comprise programmable logic controller (PLC) (1), tension pick-up (2), pressure sensor (3), cylinder (4), apportioning valve (5), the first material volume (6) and the second material volume (7), the mouth of described the first material volume (6) and the second material volume (7) is electrically connected with the input end of tension pick-up (2), the mouth of tension pick-up (2) is electrically connected with the input end of pressure sensor (3), the mouth of pressure sensor (3) is electrically connected with the input end of programmable logic controller (PLC) (1), the mouth of programmable logic controller (PLC) (1) is electrically connected with the input end of apportioning valve (5), the mouth of apportioning valve (5) is electrically connected with the input end of cylinder (4), the mouth of cylinder (4) is electrically connected with the input end that the first material is rolled up (6) and the second material volume (7), simultaneously, the mouth of programmable logic controller (PLC) (1) is also electrically connected with the input end of the first material volume (6) and the second material volume (7), to control unreeling of the first material volume (6) and the second material volume (7).
2. permanent tension force according to claim 1 unreels system, it is characterized in that: described tension pick-up (2) is positioned on the bin (8) of placing the first material volume (6) and the second material volume (7).
3. permanent tension force according to claim 1 and 2 unreels system, it is characterized in that: described apportioning valve (5) is positioned between two bins (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320891614.4U CN203699508U (en) | 2013-12-31 | 2013-12-31 | Constant tension force unreeling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320891614.4U CN203699508U (en) | 2013-12-31 | 2013-12-31 | Constant tension force unreeling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203699508U true CN203699508U (en) | 2014-07-09 |
Family
ID=51049978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320891614.4U Expired - Fee Related CN203699508U (en) | 2013-12-31 | 2013-12-31 | Constant tension force unreeling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203699508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104495472A (en) * | 2014-12-16 | 2015-04-08 | 常州市第八纺织机械有限公司 | Machine large package coiling control system |
-
2013
- 2013-12-31 CN CN201320891614.4U patent/CN203699508U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104495472A (en) * | 2014-12-16 | 2015-04-08 | 常州市第八纺织机械有限公司 | Machine large package coiling control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20171231 |