CN203173606U - Tension control system of paper receiving machine - Google Patents
Tension control system of paper receiving machine Download PDFInfo
- Publication number
- CN203173606U CN203173606U CN 201320199675 CN201320199675U CN203173606U CN 203173606 U CN203173606 U CN 203173606U CN 201320199675 CN201320199675 CN 201320199675 CN 201320199675 U CN201320199675 U CN 201320199675U CN 203173606 U CN203173606 U CN 203173606U
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- tension
- control unit
- control system
- air
- cylinder
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- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
The utility model discloses a tension control system of a paper receiving machine. The tension control system of the paper receiving machine comprises a control unit, an air cylinder, a ultrasonic testing device and an air compressor breaker; the ultrasonic testing device and the air compressor breaker are electrically connected with the control unit respectively; the air cylinder and the air compressor breaker are respectively connected with an air source; an overflow pressure regulating valve is arranged on an air channel which is formed between the air cylinder and the air source; a pressure proportional valve is arranged on an air channel which is formed between the air compressor breaker and the air source; the pressure proportional valve is connected with the control unit; a piston position detecting unit which is used for detecting piston positions is arranged on the air cylinder; and the piston position detecting unit is connected with the control unit. The tension control system of the paper receiving machine has the advantages of being good in tension stability, reducing possibilities of overstrike and tension vibration to be reduced and being capable of always staying at the setting pressure and keeping constant of paper tension within a stroke range of a tension air cylinder.
Description
Technical field
The utility model belongs to the splicer technical field, specifically, relates to a kind of splicer tension control system.
Background technology
The tension control system that is used for splicer in the market has multiple, has by large, medium and small coil diameter to select and tension force setting value Fuzzy Calculation, and the belt tension positioner is arranged, and calculates to realize that through PID tension force controls etc. according to the tension feedback value.These modes kind more and more higher along with requirement of client and the Air brake device is more and more, expose many drawbacks: the tension control method that has only is applicable to a kind of drg, if change another drg, because having taken place to change, the drg characteristic goes wrong possibly; The tension control method that has can not guarantee constant tension system, needs operating personal constantly to adjust tension force in process of production; The tension control method that also has is lost control of the tension force of little paper roll, and the braking force that needs during owing to rouleau is quite little, and systematic error is difficult to adjust probably greater than braking force.
Therefore how to develop the drg that a kind of energy is suitable for various characteristics, can realize that permanent tension force controls, but also want good stability, can overcome systematic error, can satisfy the tension control system of all working condition requirements, this is current our technical issues that need to address.
Summary of the invention
Tension force instability when the utility model is controlled different paper roll for the tension control system that solves existing splicer, and for the problem of different braking device conformability difference, a kind of splicer tension control system is provided, can realize permanent tension force control, but also want good stability, strong to different braking device comformability.
In order to solve the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of splicer tension control system, comprise control unit, cylinder, the ultrasonic detection device that is electrically connected with described control unit and Air brake device respectively, described cylinder is connected source of the gas respectively with the Air brake device, gas circuit between described cylinder and the source of the gas is provided with pressure regulating overflow valve, gas circuit between described Air brake device and the source of the gas is provided with pressure proportioning valve, described pressure proportioning valve is connected with control unit, described cylinder is provided with for the detecting unit that detects the piston actual position in real time, and described detecting unit is connected with described control unit.
Further, be provided with pressure sensor between described cylinder and pressure regulating overflow valve, described pressure sensor is connected with control unit.
Further again, also comprise the control panel that is connected with described control unit.
Preferably, described control unit is PLC.
Compared with prior art, advantage of the present utility model and good effect are: the tension stability of splicer tension control system control splicer of the present utility model is good, reduce the possibility of hyperharmonic tension force concussion, can not occur the phenomenon of tension force imbalance or concussion because of factors such as the variation of reel diameter and tension force setting value and systematic errors.As long as in the stroke range of tensioning cylinder, equipment can remain on setting pressure all the time, remains the constant tension of paper.
After reading the detailed description of the utility model embodiment by reference to the accompanying drawings, other characteristics of the present utility model and advantage will become clearer.
Description of drawings
Fig. 1 is a kind of embodiment hardware configuration scheme drawing of the splicer tension control system that proposes of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is done explanation in further detail.
Embodiment one, and the splicer tension control system of present embodiment referring to shown in Figure 1, comprising: control unit 1, and cylinder 7, ultrasonic detection device 5 and Air brake device 2, ultrasonic detection device 5 control units 1 are electrically connected
,Cylinder 7 is connected source of the gas respectively with Air brake device 2, gas circuit between cylinder 7 and the source of the gas is provided with pressure regulating overflow valve 6, gas circuit between Air brake device 2 and the source of the gas is provided with pressure proportioning valve 4, pressure proportioning valve 4 is connected with control unit 1, accept the control of control unit 1, cylinder 7 is provided with for the detecting unit (Fig. 1 does not show) that detects the piston actual position in real time, and detecting unit is connected with control unit 1.
The principle of work of this splicer tension control system is: the back cavity pressure that cylinder 7 is set by pressure regulating overflow valve 6, make the back cavity pressure of cylinder 7 keep constant, detect piston position by the real-time detecting unit of piston position, and then can calculate the distance that departs from balance position of idler roller 3.Be provided with pressure sensor 8 between cylinder 7 and pressure regulating overflow valve 6, pressure sensor 8 is connected with control unit 1, for detection of the back cavity pressure of cylinder 7, and is sent to control unit 1.Ultrasonic detection device 5 testing paper roll radiuses, and be sent to control unit 1; Control unit 1 will go out total brake torque according to the calculated signals that receives, and send to pressure proportioning valve 4, and pressure proportioning valve 4 receives signal and is converted into Pneumatic pressure control drg 2, to reach the purpose of control tension force.
This is novel to comprise that also following parameter arranges step, and parameter arranges and comprises in the step drg damping compensation moment of torsion is set, and is used for being suitable for the tension force control of rouleau; Braking characteristics coefficient parameter is used for being suitable for different drgs.Because tensioning cylinder piston and piston rod are connected, and piston rod and idler roller 3 are connected, and therefore, parameter arranges the step that also can also comprise the equilibrium point that the tensioning cylinder piston is set in the step, preferably, with the tensioning cylinder piston be positioned at its stroke 50% as equilibrium point.When tension force changed, idler roller 3 departed from balance position, and this deviation value is fed back to control unit 1, and control unit is regulated brake torque automatically according to location feedback value, made it keep balance.Because the back cavity pressure of cylinder is to rely on pressure regulating overflow valve 6 to set, and therefore can guarantee that tensioning cylinder remains setting pressure in the tensioning process.
The control unit 1 preferred PLC of employing realizes, in order to make system can be suitable for multiple drg, need to measure braking characteristics coefficient and the drg damping compensation moment of torsion of drg 2, by regulating the open parameter of some PLC, can measure braking characteristics coefficient and the drg damping compensation moment of torsion of drg, the characteristic coefficient of drg and compensation value can be set by control panel 9, and therefore, work at present drg damping compensation moment of torsion preferably arranges by control panel 9.Owing to adopt PLC control, therefore have the good communication extendability simultaneously, can realize data exchange with production management system or other upper computers.
Certainly, this tension force method is applicable on the splicer of corrugated paper board production line, also can be used for the tension force control of other passive unreeling structures.Above-mentioned explanation is not to be limitation of the present invention, and the present invention also is not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement also should belong to protection scope of the present invention.
Certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement also should belong to protection domain of the present utility model.
Claims (4)
1. splicer tension control system, comprise control unit, cylinder, the ultrasonic detection device that is electrically connected with described control unit and Air brake device respectively, described cylinder is connected source of the gas respectively with the Air brake device, it is characterized in that: the gas circuit between described cylinder and the source of the gas is provided with pressure regulating overflow valve, gas circuit between described Air brake device and the source of the gas is provided with pressure proportioning valve, described pressure proportioning valve is connected with control unit, described cylinder is provided with the detecting unit for detection of the piston actual position, and described detecting unit is connected with described control unit.
2. splicer tension control system according to claim 1, it is characterized in that: the gas circuit between described cylinder and the pressure regulating overflow valve is provided with pressure sensor, and described pressure sensor is connected with control unit.
3. splicer tension control system according to claim 2 is characterized in that: also comprise the control panel that is connected with described control unit.
4. according to the described splicer tension control system of each claim of claim 1-3, it is characterized in that: described control unit is PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320199675 CN203173606U (en) | 2013-04-19 | 2013-04-19 | Tension control system of paper receiving machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320199675 CN203173606U (en) | 2013-04-19 | 2013-04-19 | Tension control system of paper receiving machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203173606U true CN203173606U (en) | 2013-09-04 |
Family
ID=49070342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320199675 Expired - Fee Related CN203173606U (en) | 2013-04-19 | 2013-04-19 | Tension control system of paper receiving machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203173606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103193107A (en) * | 2013-04-19 | 2013-07-10 | 青岛美光机械有限公司 | Splicer tension control system |
-
2013
- 2013-04-19 CN CN 201320199675 patent/CN203173606U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103193107A (en) * | 2013-04-19 | 2013-07-10 | 青岛美光机械有限公司 | Splicer tension control system |
| CN103193107B (en) * | 2013-04-19 | 2016-03-09 | 青岛美光机械有限公司 | Splicer tension 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 |
Granted publication date: 20130904 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |