CN203959448U - Web tension control system and paper web processing unit (plant) - Google Patents
Web tension control system and paper web processing unit (plant) Download PDFInfo
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- CN203959448U CN203959448U CN201420419500.4U CN201420419500U CN203959448U CN 203959448 U CN203959448 U CN 203959448U CN 201420419500 U CN201420419500 U CN 201420419500U CN 203959448 U CN203959448 U CN 203959448U
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- roller
- control system
- paper web
- tension control
- braking device
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- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 238000005859 coupling reaction Methods 0.000 description 1
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- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Abstract
A kind of web tension control system, comprise debatching roller, be arranged on the pneumatic braking device at least one end of debatching roller, dance roller, be arranged on the air vent valve on the air inlet path of pneumatic braking device, and be connected to the attaching parts between air vent valve and dance roller, described debatching roller is used for carrying toilet roll width, described toilet roll width unreels from debatching roller while being pulled operation, described dance roller is supported operating described paper web for elasticity, described pneumatic braking device is for generating braking force to debatching roller, described attaching parts changes the pressure being applied on air vent valve by the change in displacement of dance roller, thereby change the braking force that pneumatic braking device produces debatching roller.The utility model also provides a kind of paper web processing unit (plant) with mentioned strain control system.Web tension control system and paper web processing unit (plant) that the utility model provides are simple in structure, with low cost, and the industry of being beneficial to is promoted the use of.
Description
Technical field
The utility model relates to paper web manufacture field, particularly relates to a kind of tension control system that the tension force of the paper web in operational process is controlled and has the paper web processing unit (plant) of this web tension control system.
Background technology
Paper web is carried out in the process of rear processing, must ensure the tension stability of paper web in operational process, the processing effect of guarantee to paper web.Taking processing winding drum paper as example, the tractive force that trailer coupling is applied on paper web unreels paper web and operation forward.The roll shaft two ends of while paper in reel are also provided with pneumatic braking device paper in reel are carried out to necessary braking.Along with the continuity unreeling of paper in reel, the diameter of paper in reel is more and more less, and the operating angle speed of paper in reel is increasing.In this dynamic process, must ensure that the braking force that is applied to the tractive force on paper web and is applied on paper in reel reaches a balance, the tension force that also shows as paper web must be constant, just can effectively ensure working accuracy and the yield of paper web.
Existing a kind of web tension control system, as shown in Figure 1, adopts a dance roller 10 to be connected on paper web 101, and a tension pick-up 12 is connected the tension force for responding to paper web 101 variation with dance roller 10 is set.In addition, then tension control assembly 13, current to pneumatic converter 14 are set, are electrically connected with the pneumatic braking device 16 at tension pick-up 12 and paper roll 15 two ends.Tension control assembly 13 generates by the feedback of tension pick-up 12 signal of controlling current to pneumatic converter 14, and reach by current to pneumatic converter 14 effect of pressure variation that outputs to pneumatic braking device 16 of controlling, realize thus the adjustment of the braking force that pneumatic braking device 16 is produced, thereby make the constant tension of operating paper web 101.
But the tension pick-up 12 adopting in said system, tension control assembly 13 and current to pneumatic converter 14 are all expensive devices, and because element is too much, tension force control was difficult to check definite reason while inefficacy, caused whole system Maintenance and Repair inconvenience, use cost too high.
Utility model content
Based on this, the paper web processing unit (plant) that is necessary to provide the web tension control system that a kind of structure is simpler, cost is cheaper and there is this web tension control system.
A kind of web tension control system, comprise debatching roller, be arranged on the pneumatic braking device at least one end of debatching roller, dance roller, be arranged on the air vent valve on the air inlet path of pneumatic braking device, and be connected to the attaching parts between air vent valve and dance roller, described debatching roller is used for carrying toilet roll width, described toilet roll width unreels from debatching roller while being pulled operation, described dance roller is supported operating described paper web for elasticity, described pneumatic braking device is for generating braking force to debatching roller, described attaching parts changes the pressure being applied on air vent valve by the change in displacement of dance roller, thereby change the braking force that pneumatic braking device produces debatching roller.
Therein in an embodiment, described air vent valve comprises shell and accommodates spool in the enclosure, and one end of described attaching parts is through shell and support with spool.
In an embodiment, described shell has input end and mouth therein, described spool and input end, mouth conducting, and described mouth is connected with pneumatic braking device, and described input end is used for connecting external air source.
In an embodiment, described dance roller comprises bearing support therein, and the other end of described attaching parts is fixed on bearing support.
In an embodiment, described attaching parts is push rod therein.
In an embodiment, also comprise at least two deflector rolls therein, one of them deflector roll is positioned at the upstream of dance roller, and another deflector roll is positioned at the downstream of dance roller.
A kind of paper web processing unit (plant), comprises above-mentioned any one web tension control system.Paper web processing unit (plant) is specifically as follows rewinding machine, cutting machine, coating machine, printer etc.
The web tension control system that the utility model provides and paper web processing unit (plant) are connected with dance roller, air vent valve by attaching parts is set, the tension variation that dance roller is subject to operating paper web is subjected to displacement, and by the change in displacement of dance roller, attaching parts also changes to the power of supporting of air vent valve, thereby can control pneumatic braking device and produce corresponding braking force variation, thus for the tension variation of balance paper web, so that the constant tension of operating paper web, working accuracy and the yield of guarantee paper web.Compared with prior art, web tension control system in this utility model is simplified, and adopts air vent valve, and directly regulates the size that can realize the braking force to pneumatic braking device to regulate to air vent valve with attaching parts, therefore cost declines to a great extent, and the industry that can be beneficial to is used.And reduce to some extent because the element of whole control system is more of the prior art, for the daily attention of control system and maintenance also greatly for convenience.
Brief description of the drawings
Fig. 1 is the structural representation of existing a kind of web tension control system.
The structural representation of the web tension control system that Fig. 2 provides for the utility model one embodiment.
Detailed description of the invention
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.A lot of details are set forth in the following description so that fully understand the utility model.But the utility model can be implemented to be much different from alternate manner described here, and those skilled in the art can do similar improvement without prejudice to the utility model intension in the situation that, and therefore the utility model is not subject to the restriction of following public concrete enforcement.
It should be noted that, when element is called as " being fixed on " another element, it can be directly on another element or also can have an element placed in the middle.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.
Unless otherwise defined, all technology that use are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present utility model with scientific terminology.The term using in specification sheets of the present utility model herein, just in order to describe the object of specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Please refer to Fig. 2, the web tension control system that the utility model one embodiment provides, comprises debatching roller 20, pneumatic braking device 21, dance roller 22, air vent valve 23, and attaching parts 24.
Debatching roller 20 is for carrying toilet roll 202.In the time that paper web 202 is subject to tractive force, paper web 202 unreels from debatching roller 20.In embodiment as shown in Figure 2, with the direction of the tractive force shown in dextrad arrow, when debatching roller 20 (being also the paper web 202 of rolling) unreels, along clockwise rotating, paper web 202 moves along dextrad direction.
One end of debatching roller 20 or two ends arrange described pneumatic braking device 21.Pneumatic braking device 21, for debatching roller 20 is generated to braking force, when braking force changes, can be used for controlling the velocity of rotation of debatching roller 20, can control thus the tensioning degree of operating paper web 202, also can regulate the tension force of paper web 202.
Dance roller 22 is arranged on the travel path of paper web 202.Dance roller 22 is conflicted with paper web 202 elasticity of advancing, and on paper web 202, applies the predetermined power of supporting.In the time that the tension force of paper web 202 changes, the pressure that paper web 202 is applied on dance roller 22 can change, thereby dance roller 22 is subjected to displacement.In embodiment shown in Fig. 2, dance roller 22 can be along vertical direction upper and lower displacement.Understandably, in different embodiment, by controlling the different travel tracks of paper web 202, dance roller 22 can be set and be subjected to displacement along different directions, such as horizontal direction etc.
In one embodiment, this web tension control system also comprises at least two deflector rolls 25.Please refer to the drawing 2, shows two deflector rolls 25.Described deflector roll 25 is for guiding advancing of paper web 202.By deflector roll 25 is set at diverse location, and make paper web 202 parts hold deflector roll 25 to move, can be used for controlling the different running orbit of paper web 202.As shown in Figure 2, one of them deflector roll 25 is positioned at the upstream of dance roller 22, and another deflector roll 25 is positioned at the downstream of dance roller 22.Two deflector rolls 25 are roughly arranged on the both sides of dance roller 22 symmetrically, make paper web 202 when by dance roller 22, and the impact that can better the variation of the tension force of paper web 202 be brought applies and is reflected on dance roller 22.
Air vent valve 23 is arranged on the air inlet path of pneumatic braking device 21.The air inlet direct of travel of pneumatic braking device 21 is shown with left-hand arrow as shown in Figure 2.This air vent valve 23 can have general structure, for example, can comprise shell 231 and be housed in the spool 232 in shell 231.Described shell 231 has input end 233 and mouth 234, described spool 232 and input end 233, mouth 234 conductings, and described mouth 234 is connected with pneumatic braking device 21, and described input end 233 is for connecting external air source (not shown).The air-flow of external air source also finally flows in pneumatic braking device 21 by input end 233, spool 232, mouth 234.According to the pressure size of air-flow that enters pneumatic braking device 21, can make the braking brake block in pneumatic braking device 21 debatching roller 20 be produced to the friction force of different sizes, thereby generate the braking forces of different sizes.And by making movable valve plug 232, control the folding degree of spool 232, can control the air pressure size that transfers to pneumatic braking device 21.
Described attaching parts 24 is connected between air vent valve 23 and dance roller 22.The change in displacement of described dance roller 22 can be passed to attaching parts 24, makes attaching parts 24 also be subjected to displacement variation.Particularly, in one embodiment, described dance roller 22 comprises bearing support (not shown), and one end that described attaching parts 24 is connected with dance roller 22 is fixed on this bearing support.
Meanwhile, one end that described attaching parts 24 is connected with air vent valve 23 is passed the shell 231 of air vent valve 23 and is supported with spool 232.Therefore can apply the different power of supporting to spool 232 by the change in displacement of attaching parts 24, also can control the folding degree of spool 232.
In a specific embodiment, this attaching parts 24 is a push rod, one end that itself and spool 232 are supported directly ejection spool 232 to change the folding degree of spool 232.
Below in conjunction with Fig. 2, the working process of web tension control system of the present utility model is made an explanation again.In the time that the tension force of operating paper web 202 becomes large, its power being applied on dance roller 22 will increase, make dance roller 22 to bottom offset, make thus attaching parts 24 also to bottom offset, thereby the pressure that makes attaching parts 24 support the spool 232 in air vent valve 23 becomes large, make to reduce by the tolerance in air vent valve 23, the braking force that makes thus pneumatic braking device 21 produce reduces, thereby paper web 202 is subject to the pulling force that debatching roller 20 applies and reduces, the tension force of paper web 202 is reduced, become lax, the tension force of realizing paper web 202 diminishes.
On the contrary, when operating paper web 202 is lax or tension force is less during to restriction position, its power being applied on dance roller 22 will reduce, make dance roller 22 to top offset to return to original position, make thus attaching parts 24 also to top offset, spool 232 is subject to the supporting reducing of power of attaching parts 24 and returns to original atm number output, make thus the braking force that pneumatic braking device 21 produces increase, thereby paper web 202 is subject to the pulling force that debatching roller 20 applies and increases, make the tension force of paper web 202 obtain corresponding increase.Above-mentioned two kinds of variations go round and begin again in paper web 202 operational processs, make the tension force of paper web 202 obtain instant balance and control, ensure thus working accuracy and the yield of paper web 202.
The utility model also provides a kind of paper web processing unit (plant) with above-mentioned web tension control system.Paper web processing unit (plant) is specifically as follows cutting machine, coating machine, printer etc., can cut paper web, various types of rear processing such as coating, rewinding, printing.
The web tension control system that the utility model provides and paper web processing unit (plant) are connected with dance roller 22, air vent valve 23 by attaching parts 24 is set, the tension variation that dance roller 22 is subject to operating paper web 202 is subjected to displacement, and by the change in displacement of dance roller 22, attaching parts 24 can change to the power of supporting of air vent valve 23, thereby can control pneumatic braking device 21 and produce corresponding braking force variation, thus for the tension variation of balance paper web 202, so that the constant tension of operating paper web 202, working accuracy and the yield of guarantee paper web 202.
Compared with prior art, web tension control system in this utility model is simplified, regulate the size that can realize the braking force to pneumatic braking device 21 to regulate to air vent valve 23 with attaching parts 24, therefore cost declines to a great extent, and the industry that can be beneficial to is used.And reduce to some extent because the element of whole control system is more of the prior art, for the daily attention of control system and maintenance also greatly for convenience.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (7)
1. a web tension control system, comprise debatching roller, be arranged on the pneumatic braking device at least one end of debatching roller, and dance roller, described debatching roller is used for carrying toilet roll width, described toilet roll width unreels from debatching roller while being pulled operation, described dance roller is supported operating described paper web for elasticity, described pneumatic braking device is for generating braking force to debatching roller, it is characterized in that, also comprise the air vent valve on the air inlet path that is arranged on pneumatic braking device, and be connected to the attaching parts between air vent valve and dance roller, described attaching parts changes the pressure being applied on air vent valve by the change in displacement of dance roller, thereby change the braking force that pneumatic braking device produces debatching roller.
2. web tension control system according to claim 1, is characterized in that, described air vent valve comprises shell and accommodate spool in the enclosure, and one end of described attaching parts is through shell and support with spool.
3. web tension control system according to claim 2, it is characterized in that, described shell has input end and mouth, described spool and input end, mouth conducting, described mouth is connected with pneumatic braking device, and described input end is used for connecting external air source.
4. web tension control system according to claim 2, is characterized in that, described dance roller comprises bearing support, and the other end of described attaching parts is fixed on bearing support.
5. web tension control system according to claim 1, is characterized in that, described attaching parts is push rod.
6. web tension control system according to claim 1, is characterized in that, also comprises at least two deflector rolls, and one of them deflector roll is positioned at the upstream of dance roller, and another deflector roll is positioned at the downstream of dance roller.
7. a paper web processing unit (plant), comprises the web tension control system described in any one in claim 1-6 item.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420419500.4U CN203959448U (en) | 2014-07-28 | 2014-07-28 | Web tension control system and paper web processing unit (plant) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420419500.4U CN203959448U (en) | 2014-07-28 | 2014-07-28 | Web tension control system and paper web processing unit (plant) |
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| Publication Number | Publication Date |
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| CN203959448U true CN203959448U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420419500.4U Expired - Lifetime CN203959448U (en) | 2014-07-28 | 2014-07-28 | Web tension control system and paper web processing unit (plant) |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107792717A (en) * | 2017-10-19 | 2018-03-13 | 上海鸣过滤技术有限公司 | A kind of type variable Minimum Tension Control System |
| CN109516271A (en) * | 2018-10-31 | 2019-03-26 | 广州小乙科技有限公司 | A kind of paper grade (stock) has the winding device of orientation setting separator bar function |
| CN114289250A (en) * | 2021-12-14 | 2022-04-08 | 泰州科聚新材料技术研究院有限公司 | Photosensitive material plate coating photosensitive material device |
-
2014
- 2014-07-28 CN CN201420419500.4U patent/CN203959448U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107792717A (en) * | 2017-10-19 | 2018-03-13 | 上海鸣过滤技术有限公司 | A kind of type variable Minimum Tension Control System |
| CN109516271A (en) * | 2018-10-31 | 2019-03-26 | 广州小乙科技有限公司 | A kind of paper grade (stock) has the winding device of orientation setting separator bar function |
| CN114289250A (en) * | 2021-12-14 | 2022-04-08 | 泰州科聚新材料技术研究院有限公司 | Photosensitive material plate coating photosensitive material device |
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Granted publication date: 20141126 |
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| CX01 | Expiry of patent term |