CN113860047A - Light tension control device - Google Patents
Light tension control device Download PDFInfo
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- CN113860047A CN113860047A CN202111119929.2A CN202111119929A CN113860047A CN 113860047 A CN113860047 A CN 113860047A CN 202111119929 A CN202111119929 A CN 202111119929A CN 113860047 A CN113860047 A CN 113860047A
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- tension
- drive division
- control device
- swing arm
- tension control
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- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 230000011218 segmentation Effects 0.000 claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims abstract description 8
- 238000004804 winding Methods 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 19
- 239000006247 magnetic powder Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 230000001105 regulatory effect Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
- B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
- B65H26/04—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs for variation in tension
Landscapes
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
The utility model relates to a tension control's technical field especially relates to a light tension control device, including unreeling drive division, traction drive division and the rolling drive division that sets gradually, unreel and be provided with segmentation tension adjustment mechanism between drive division and the traction drive division, unreel between drive division and the traction drive division, all be equipped with first detection piece between traction drive division and the rolling drive division, first detection piece passes through control system electric connection in segmentation tension adjustment mechanism. The application has the effect of realizing sectional tension control in compact-structure small-sized equipment.
Description
Technical Field
The application relates to the technical field of tension control, in particular to a light tension control device.
Background
In order to ensure high-quality forming and coiling of the coiled material, a tension control device is generally arranged in the winding and unwinding equipment for performing tension adaptive adjustment. In order to ensure the tension adjusting effect, the tension needs to be controlled in a segmented manner. At present, a plurality of active control shafts are generally used in the market to realize tension subsection control on materials, and the technical scheme needs to occupy larger space in the implementation process and is widely applied to medium-sized and large-sized tension control equipment.
However, when the structure of the mechanical equipment is compact, a large number of control units and a complicated force-receiving device controlled by a plurality of kinds of force superposition cannot be installed. Therefore, when the installation space is limited, the tension sectional control is difficult to be effectively realized.
Disclosure of Invention
In order to realize the sectional tension control in a small device with a compact structure, the technical scheme of the application provides a light tension control device. The technical scheme is as follows:
the application provides a light tension control device, including the drive division that unreels that sets gradually, draw drive division and rolling drive division, it is provided with segmentation tension adjustment mechanism to unreel between drive division and the drive division to unreel, unreel between drive division and the drive division, draw between drive division and the rolling drive division and all be equipped with first detection piece, first detection piece passes through control system electric connection in segmentation tension adjustment mechanism.
Through the technical scheme, the first detection piece detects the tension on the surface of the material in real time and feeds the tension back to the control system, the control system sends a signal to the segmented tension adjusting mechanism, and the segmented tension adjusting mechanism performs tension segmented control on the tension in the winding and unwinding processes and the tension in the winding and unwinding processes, so that more hardware equipment is not required, the space is saved, and the overall cost of the system is reduced.
Further, segmentation tension adjustment mechanism is including setting up swing arm mechanism, the magnetic powder controller between rolling drive division and traction drive division, the magnetic powder controller passes through the swing arm angle of pressure regulator control swing arm mechanism.
Specifically, still including setting up the second detection piece on swing arm mechanism, the second detection piece passes through control system electric connection in segmentation tension adjustment mechanism.
Optionally, the second detecting element is an angle detector, and the second detecting element is used for detecting a swing arm angle of the swing arm mechanism.
Optionally, the first detection element is a tension sensor, and the first detection element detects the surface tension of the material in real time.
Particularly, the unreeling driving part, the traction driving part and the reeling driving part are all servo motors.
Compared with the prior art, the application has the beneficial effects that: when the winding and unwinding device is used for winding and unwinding, the two first detection pieces detect the surface tension of the material in real time and feed the surface tension back to the control system, and the control system sends signals to the segmented tension adjusting mechanism. At this moment, the magnetic powder controller carries out tension multistage control, simultaneously according to tension sensor's feedback, through PID calculation, realize the tension closed loop, pressure regulating part pressure multistage control function, simultaneously according to angle sensor, through moment relation calculation, realize the pressure closed loop, the pressure direction of adjustment swing arm mechanism, through the independent control to different power, realized tension control's pluralism, need not to increase more hardware and equip, when having saved the space, reduced the overall cost of system.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the application, in which:
fig. 1 is a schematic structural view of a light tension control device according to the present application.
Reference numerals: 1. an unwinding driving part; 2. a traction drive section; 3. a winding drive section; 4. a segmental tension adjusting mechanism; 41. a swing arm mechanism; 42. a magnetic powder controller; 5. a first detecting member; 6. a second detecting member.
Detailed Description
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
In order to ensure high-quality forming and coiling of the coiled material, a tension control device is generally arranged in the winding and unwinding equipment, tension is adaptively adjusted, and the tension needs to be controlled in a segmented manner in order to ensure the tension adjusting effect. At present, a plurality of active control shafts are generally used in the market to realize tension subsection control on materials, and the technical scheme needs to occupy larger space in the implementation process and is widely applied to medium-sized and large-sized tension control equipment.
However, when the structure of the mechanical equipment is compact, a large number of control units and a complicated force-receiving device controlled by a plurality of kinds of force superposition cannot be installed. Therefore, when the installation space is limited, the tension sectional control is difficult to be effectively realized. The technical scheme is as follows:
the present application is described in further detail below with reference to fig. 1.
As shown in fig. 1, the present application provides a light tension control device, which includes an unwinding driving portion 1, a traction driving portion 2, and a winding driving portion 3, which are sequentially disposed, and further includes a sectional tension adjusting mechanism 4 and a first detecting member 5.
As shown in fig. 1, the segment tension adjusting mechanism 4 is disposed between the unwinding driving portion 1 and the drawing driving portion 2, and the first detecting member 5 is disposed between the unwinding driving portion 1 and the drawing driving portion 2, and between the drawing driving portion 2 and the winding driving portion 3. In this embodiment, the first detecting member 5 is a tension sensor that detects the tension on the surface of the material in real time.
In the working process, the first detection piece 5 detects the tension on the surface of the material in real time and feeds the tension back to the control system, the control system sends a signal to the segmented tension adjusting mechanism 4, and the segmented tension adjusting mechanism 4 performs tension segmented control on the tension in the winding and unwinding processes and the tension in the winding and unwinding processes, so that more hardware equipment is not required, the space is saved, and the overall cost of the system is reduced.
Referring to fig. 1, in this embodiment, the unwinding driving portion 1, the traction driving portion 2, and the winding driving portion 3 are all servo motors. The unwinding driving portion 1 mainly uses a torque mode to unwind the material according to the target tension. The winding drive unit 3 winds the material mainly using a torque mode according to a target tension.
As shown in fig. 1, in this embodiment, the unwinding driving portion 1 and the winding driving portion 3 both perform RS485 bus communication with the PLC to perform data interaction. The traction drive unit 2 mainly uses a speed mode, actively pulls the material, segments the material tension, and performs Profinet communication with the PLC to perform data interaction.
In the tension control of winding and unwinding and the tension control of the process, when the multi-stage tension control is carried out on different winding diameters and different speeds, the winding and unwinding tension relates to multi-stage compensation parameters under different speeds, different winding diameters and different materials. The winding and unwinding tension relates to calculation of mechanical inertia, material inertia, mechanical friction, actual reel diameter, a tension multi-section process curve and PID compensation, and is used for overcoming tension change caused by inertia force, friction force and force arm change generated by load in operation.
The specific calculation formula involved in the application is as follows:
inertia calculation formula:
the roll diameter calculation formula is as follows:
the curve calculation formula is as follows: # RData [0] (# TorNumber1] -r # TorStep [ # TorNumber1-1])/(# CoilStep [ # TorNumber1] - # CoilStep [ # TorNumber1-1]) # RealCoil + (# TorStep [ # TorNumber1-1] # CoilStep [ # TorNumber1] - # TorStep [ # TorNumber1] # CoilStep [ # TorNumber1-1])/(# CoilStep [ # TorNumber1] - # CoilStep [ # TorNumber1-1]
PID compensation formula:
moment calculation formula:
referring to fig. 1, the segment tension adjusting mechanism 4 includes a swing arm mechanism 41 and a magnetic powder controller 42, the swing arm mechanism 41 is disposed between the winding driving part 3 and the traction driving part 2, and the magnetic powder controller 42 controls an angle of the swing arm mechanism 41 through a pressure regulator. The magnetic powder controller 42 mainly uses a variable voltage mode to control a target torque and perform tension segmentation, and performs analog quantity control with the PLC.
As shown in fig. 1, in the present embodiment, the pressure regulating member is a precision pressure regulating valve, and the precision pressure regulating valve mainly controls the cylinder output air pressure by using a variable pressure method, thereby realizing pressure control and performing analog quantity control with a PLC. The magnetic powder controller 42 and the precise pressure regulating valve are matched with each other, so that the swing arm angle of the detection swing arm mechanism 41 can be adjusted.
As shown in fig. 1, in order to further improve the accuracy of adjustment, the swing arm mechanism 41 is provided with a second detecting member 6 for detecting the swing arm angle of the swing arm mechanism 41, and the second detecting member 6 is located on the side of the magnetic powder controller 42 close to the traction drive part 2. In this embodiment, the second detecting member 6 is an angle detector.
The implementation principle of the embodiment of the application is as follows: during operation, unreel drive division 1 and rolling drive division 3 and all carry out RS485 bus communication with PLC, carry out the data interaction. The traction drive unit 2 mainly uses a speed mode, actively pulls the material, segments the material tension, and performs Profinet communication with the PLC to perform data interaction. Meanwhile, the two first detection pieces 5 detect the surface tension of the material in real time and feed back the surface tension to the PLC, and the PLC sends signals to the segmented tension adjusting mechanism 4. At this time, the magnetic powder controller 42 performs multi-stage tension control, meanwhile, according to the feedback of the tension sensor, through PID calculation, a tension closed loop is realized, the precise pressure regulating valve performs a multi-stage pressure control function, meanwhile, according to the angle sensor, through moment relation calculation, a pressure closed loop is realized, and through independent control of different forces, the diversification of tension control is realized. And more hardware equipment is not required to be added, so that the space is saved, the overall cost of the system is reduced, and meanwhile, the production efficiency is improved. In addition, the tension control method and device are suitable for multi-stage tension control of different winding diameters and different speeds, and are high in universality.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (6)
1. The utility model provides a light tension control device, its characterized in that, including unreel drive division (1), traction drive division (2) and rolling drive division (3) that set gradually, unreel and be provided with segmentation tension adjustment mechanism (4) between drive division (1) and the traction drive division (2), unreel between drive division (1) and the traction drive division (2), all be equipped with first detection piece (5) between traction drive division (2) and the rolling drive division (3), first detection piece (5) are through control system electric connection in segmentation tension adjustment mechanism (4).
2. A light tension control device as claimed in claim 1, wherein the segmental tension adjusting mechanism (4) comprises a swing arm mechanism (41) arranged between the winding driving part (3) and the traction driving part (2), and a magnetic powder controller (42), and the magnetic powder controller (42) controls the swing arm angle of the swing arm mechanism (41) through a pressure regulator.
3. A light tension control device as claimed in claim 2, further comprising a second detecting member (6) disposed on the swing arm mechanism (41), the second detecting member (6) being electrically connected to the section tension adjusting mechanism (4) through the control system.
4. A light tension control device as claimed in claim 3, wherein the second detecting member (6) is an angle detector, and the second detecting member (6) is used for detecting a swing arm angle of a swing arm mechanism (41).
5. A light tension control device as claimed in claim 1, wherein the first detecting member (5) is a tension sensor, and the first detecting member (5) detects the surface tension of the material in real time.
6. A light tension control device as claimed in claim 1, characterized in that the unwinding drive (1), the traction drive (2) and the winding drive (3) are all servo motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111119929.2A CN113860047A (en) | 2021-09-24 | 2021-09-24 | Light tension control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111119929.2A CN113860047A (en) | 2021-09-24 | 2021-09-24 | Light tension control device |
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| Publication Number | Publication Date |
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| CN113860047A true CN113860047A (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111119929.2A Pending CN113860047A (en) | 2021-09-24 | 2021-09-24 | Light tension control device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203319349U (en) * | 2013-06-11 | 2013-12-04 | 云南玉溪水松纸厂 | Multi-section tension control device of tipping paper |
| CN105253674A (en) * | 2015-09-28 | 2016-01-20 | 宁波市岭登电器有限公司 | Steel belt transmission device, and system and method for controlling steel belt transmission device |
| CN206417684U (en) * | 2016-12-29 | 2017-08-18 | 东莞市盛其印刷制品有限公司 | High-speed press tenslator |
| CN107235359A (en) * | 2017-06-12 | 2017-10-10 | 南京嘉旭机械制造股份有限公司 | A kind of Length Control system |
| CN208103504U (en) * | 2018-04-25 | 2018-11-16 | 浙江正天新材料科技有限公司 | A kind of tension and traction control mechanism |
| CN211106332U (en) * | 2019-10-14 | 2020-07-28 | 无锡长城机器制造有限公司 | Sectional tension control system of roll paper offset press |
-
2021
- 2021-09-24 CN CN202111119929.2A patent/CN113860047A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203319349U (en) * | 2013-06-11 | 2013-12-04 | 云南玉溪水松纸厂 | Multi-section tension control device of tipping paper |
| CN105253674A (en) * | 2015-09-28 | 2016-01-20 | 宁波市岭登电器有限公司 | Steel belt transmission device, and system and method for controlling steel belt transmission device |
| CN206417684U (en) * | 2016-12-29 | 2017-08-18 | 东莞市盛其印刷制品有限公司 | High-speed press tenslator |
| CN107235359A (en) * | 2017-06-12 | 2017-10-10 | 南京嘉旭机械制造股份有限公司 | A kind of Length Control system |
| CN208103504U (en) * | 2018-04-25 | 2018-11-16 | 浙江正天新材料科技有限公司 | A kind of tension and traction control mechanism |
| CN211106332U (en) * | 2019-10-14 | 2020-07-28 | 无锡长城机器制造有限公司 | Sectional tension control system of roll paper offset press |
Non-Patent Citations (1)
| Title |
|---|
| 苏钟: "《现代卷筒纸平版印刷技术》", vol. 1, 31 August 2007, 印刷工业出版社, pages: 119 * |
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