CN205526914U - Straining device among membrane conveyor - Google Patents
Straining device among membrane conveyor Download PDFInfo
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- CN205526914U CN205526914U CN201620059278.0U CN201620059278U CN205526914U CN 205526914 U CN205526914 U CN 205526914U CN 201620059278 U CN201620059278 U CN 201620059278U CN 205526914 U CN205526914 U CN 205526914U
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- film
- strainer
- pneumatic element
- idler roller
- membrane
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Abstract
The utility model provides a straining device among membrane conveyor, straining device includes tensioning roller and pneumatic element, and the tensioning roller is driven by the pneumatic element towards the motion of the direction of opening clamping film, pulling force when the tensioning roller relies on the membrane to carry towards the motion of the motion opposite direction's with opening clamping film direction. The utility model discloses tensile force that straining device provided does not rely on self gravity of tensioning roller, adopts air -operated controller, and degree of automation is high, and the tensile force is adjustable, and the tension that the membrane received that makes membrane conveyor carry is in proper range, and straining device's mounted position is nimble, can save space. Furthermore, the utility model discloses straining device can with initiatively put the membrane and combine together, put the at the uniform velocity incessant rotation of membrane mechanism, need not frequent braking, make control mechanism put membrane power equipment and to admit air through control, construct tensioner and control at best work state.
Description
Technical field
This utility model relates to the strainer in a kind of film conveying device.
Background technology
Traditional film conveying device, puts film device by brake control, puts film device and is hauled film feeding, thin film conveying frequently braking by later process.Its strainer is mechanical type, and tensile force leans on the gravity of idler roller own, it is difficult to regulation, and strainer needs to be vertically arranged.When idler roller is positioned at upper end, releasing of brake, when idler roller is positioned at lower end, brake, put film device and stop film feeding.This tensioning mode is when releasing of brake puts film, and the idler roller being positioned at upper end has a downward impulsive force, and tensile force is it is difficult to ensure that constant, and film is easily deformed.
Summary of the invention
Technical problem to be solved in the utility model is to provide the strainer in a kind of film conveying device, it is possible to do not rely on the gravity of idler roller own, it is provided that the tensile force of continuous uniform.To this end, this utility model is by the following technical solutions:
A kind of strainer in film conveying device, it is characterized in that, described strainer includes idler roller and pneumatic element, and idler roller is driven towards the motion in the direction of tensioning film by pneumatic element, and idler roller is towards pulling force when relying on film conveying that moves in the direction contrary with the direction of motion of tensioning film.
Using on the basis of technique scheme, this utility model also can use technical scheme further below:
Being provided with electromagnetic valve on the air inlet pipeline of described pneumatic element, described electromagnetic valve is by controlling organization control, and described electromagnetic valve is for controlling the size of the tensile force of film.
Described film conveying device arranged film placing mechanism before described strainer, and described film placing mechanism is driven film active release by power-equipment；Described strainer is provided with front proximity switch and rear proximity switch, described front proximity switch correspondence idler roller extreme position forward, described rear proximity switch correspondence idler roller extreme position backward, controlling organization controls whether to provide whether compressed air and described power-equipment work to pneumatic element according to the signal that front induction mechanism and rear induction mechanism are provided.
Described idler roller is connected by connector and slide block, and described slide block and slide connect, and described slide block also connects with described pneumatic element, and can be driven by described pneumatic element.
Owing to using the technical solution of the utility model, the tensile force that this utility model strainer is provided does not relies on the self gravitation of idler roller, use pneumatic control, automaticity is high, tensile force is adjustable, the tension force suffered by film making film conveying device carry is in OK range, and the installation site of strainer is flexible, can save space.And, this utility model strainer can combine with film active release, and film placing mechanism the most uninterruptedly rotates, it is not necessary to frequently brakes, and enables controlling organization to put film power-equipment and air inlet by control, controls tension mechanism in optimum Working.
Accompanying drawing explanation
Fig. 1 is embodiment provided by the utility model schematic diagram in the course of the work.
Fig. 2 is the schematic diagram observed from a direction of embodiment provided by the utility model.
Fig. 3 is the schematic diagram observed from another direction of embodiment provided by the utility model.
Detailed description of the invention
Referring to the drawings.The strainer of a kind of film conveying device provided by the utility model includes idler roller 1 and pneumatic element 11, the piston rod 110 of pneumatic element is stretched out by compressed air-driven, and make idler roller be driven to the motion in direction of tensioning film, idler roller towards the motion in the direction contrary with the direction of motion of tensioning film rely on film conveying time pulling force.
It is provided with electromagnetic valve on the air inlet pipeline of described pneumatic element 11, making strainer adjustable, described electromagnetic valve is controlled to open opportunity by controlling organization, or controls its aperture further, described electromagnetic valve controls the size of the tensile force of film by the air inlet of regulation pneumatic element 11, and automaticity is high.
Described idler roller 1 is connected by connector and slide block 14, and the track 15 of described slide block 14 and fore-and-aft direction is slidably connected, and described slide block 14 is gone back and the piston rod of described pneumatic element connects.
Track 15 is fixed on support 16, and pneumatic element telescopic band movable slider moves, and idler roller and then slide block moves together.Stretching out of compressed air-driven cylinder piston rod, the pulling force when return of piston rod is to carry by epiphragma, so can ensure that epiphragma is constantly in tensioning state, electromagnetic valve controls the size of tensile force, and membrane tension is uniform.
Described pneumatic element can also be Rodless cylinder, then slide block 14 can be connected by the piston of connection member and cylinder, and idler roller the most also can be by driving towards the motion in direction of tensioning film.
In this utility model, strainer thin film tensioning uses pneumatic control, and when later process is not required to film feeding, compressed air-driven pneumatic element piston rod 110 stretches out, and drives idler roller 1 action, makes film be constantly in the state of being tensioned；During film feeding, later process hauls thin film conveying, and the pulling force of film drives piston rod to shrink, and so can ensure that film is constantly in tensioning state.Owing to using Pneumatic flexible to control, membrane tension is uniform, and electromagnetic valve can control the size of tensile force, and automaticity is high.And the mounting means of strainer freely (level, vertical or inclination), space can be saved.
As a kind of preferred embodiment, the conveyer device of film there is film placing mechanism before described strainer.Described film placing mechanism connects power-equipment 101, such as drive motor, the roller 3 making film roll becomes active roll tube, can actively film feeding, described strainer is provided with front proximity switch 12 and rear proximity switch 13, extreme position before the corresponding described idler roller 1 of described front proximity switch, extreme position after the corresponding described idler roller 1 of described rear proximity switch, controlling organization controls whether to provide whether compressed air and described power-equipment 101 work to pneumatic element 11 according to the signal that front induction mechanism and rear induction mechanism are provided.
Described proximity switch also can be substituted by other sensor.When idler roller close proximity to after at proximity switch 13, controlling organization controls closed electromagnetic valve, and compressed air stops entering；When idler roller close proximity to front proximity switch 12 at, controlling organization control power-equipment 101 quit work；Proximity switch 12 shields, and time properly functioning, idler roller is constantly between proximity switch 12 and proximity switch 13.
Drawing reference numeral 100 is film to be carried in FIG, and its film roll is through on the roller 3 of film placing mechanism.
The foregoing is only specific embodiment of the utility model, but architectural feature of the present utility model is not limited thereto, any those skilled in the art is in field of the present utility model, and change or the modification made all are contained among protection domain of the present utility model.
Claims (4)
1. the strainer in a film conveying device, it is characterized in that, described strainer includes idler roller and pneumatic element, idler roller is driven towards the motion in the direction of tensioning film by pneumatic element, and idler roller is towards pulling force when relying on film conveying that moves in the direction contrary with the direction of motion of tensioning film.
Strainer in a kind of film conveying device the most as claimed in claim 1, it is characterised in that be provided with electromagnetic valve on the air inlet pipeline of described pneumatic element, described electromagnetic valve is by controlling organization control, and described electromagnetic valve is for controlling the size of the tensile force of film.
Strainer in a kind of film conveying device the most as claimed in claim 1, it is characterised in that described film conveying device arranged film placing mechanism before described strainer, described film placing mechanism is driven film active release by power-equipment；Described strainer is provided with front proximity switch and rear proximity switch, described front proximity switch correspondence idler roller extreme position forward, described rear proximity switch correspondence idler roller extreme position backward, controlling organization controls whether to provide whether compressed air and described power-equipment work to pneumatic element according to the signal that front induction mechanism and rear induction mechanism are provided.
Strainer in a kind of film conveying device the most as claimed in claim 1, it is characterized in that, described idler roller is connected by connector and slide block, and described slide block and slide connect, described slide block also connects with described pneumatic element, and can be driven by described pneumatic element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620059278.0U CN205526914U (en) | 2016-01-21 | 2016-01-21 | Straining device among membrane conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620059278.0U CN205526914U (en) | 2016-01-21 | 2016-01-21 | Straining device among membrane conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205526914U true CN205526914U (en) | 2016-08-31 |
Family
ID=56766175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620059278.0U Active CN205526914U (en) | 2016-01-21 | 2016-01-21 | Straining device among membrane conveyor |
Country Status (1)
| Country | Link |
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| CN (1) | CN205526914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108792687A (en) * | 2018-07-13 | 2018-11-13 | 新乡市大为创新印刷包装机械有限公司 | A kind of horizontal tensioning paper feeder |
-
2016
- 2016-01-21 CN CN201620059278.0U patent/CN205526914U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108792687A (en) * | 2018-07-13 | 2018-11-13 | 新乡市大为创新印刷包装机械有限公司 | A kind of horizontal tensioning paper feeder |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |