CN209684920U - A kind of mechanical tension unwinding device - Google Patents
A kind of mechanical tension unwinding device Download PDFInfo
- Publication number
- CN209684920U CN209684920U CN201920023959.5U CN201920023959U CN209684920U CN 209684920 U CN209684920 U CN 209684920U CN 201920023959 U CN201920023959 U CN 201920023959U CN 209684920 U CN209684920 U CN 209684920U
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- China
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- barrel
- torsional spring
- fixed link
- swing arm
- jockey pulley
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Abstract
The utility model discloses a kind of mechanical tension unwinding device, including barrel, barrel is rotatably socketed in barrel shaft, and fabric is fixed on one end at least within of barrel shaft with the inner end of fixed link, fixed link is radially extended along barrel on barrel；The outboard end of fixed link and one end of torsional spring mounting pin are rotatably connected, and the other end of torsional spring mounting pin and the outboard end of swing arm are rotatablely connected；Torsional spring is socketed in outside torsional spring mounting pin, and both ends are separately connected the outboard end of fixed link and the outboard end of swing arm；The rotation connection of the inner end of jockey pulley and swing arm, the axial direction of jockey pulley is axial parallel with barrel shaft, and the cylindrical surface of jockey pulley and web surface overlap.The beneficial effects of the utility model are: not depending on external power supply gas supply, small to space requirement, tension variation range is excessive when can be very good to solve the problems, such as to unreel.
Description
Technical field
The utility model relates to machinery field, specially a kind of mechanical tension unwinding device is mainly used in cloth etc.
Coiled thin material unreels in operation.
Background technique
Cloth etc. is generally all coiled to be saved outside barrel through to very long coiled thin material, when use
It needs to carry out using dedicated unwinding device to unreel operation.Have at present for the cloth unwinding device of one fixed width and utilizes magnetic powder system
The forms such as dynamic device, Pneumatic Tension control, brake ribbon.Chinese patent literature CN207275849U was disclosed on April 27th, 2018
" a kind of wound membrane tenslator ", the tenslator include that wound membrane unreels bracket, swing arm, the rotation with torsional spring
Axis, roller set, position sensor, controller and braking mechanism, swing arm keep one under the action of wound membrane pulling force and torsional spring torsion
Fixed rotation angle, the rotation angle of the position sensor detection rotary shaft simultaneously feed back to controller, controller control brake
The operation of mechanism unreels control of the film roll on bracket by braking mechanism positioned at film roll, passes through the torsion being installed in rotary shaft
Spring and be installed on wound membrane unreel the braking mechanism on bracket control the rotation angle of swing arm so that realization tension stability contorting.
The applicant declares that the utility model can automatically control the tension of wound membrane according to the pulling force of filming-drawing mechanism, and delicate structure is easy to
It installs and easy to clean, equipment cost is lower.In this quasi-tradition structure, as cloth roll more uses smaller, the tension of cloth
Will be increasing, if to accomplish identical tension, only cooperate sensor feedback using brake, but this form is taken up space
Greatly, it and needs for brake and sensor energization or gas or other media.It is more nervous in certain specific occasions, such as space
Or the gas supply that is difficult to power occasion or certain rotation positions on, the identical tension unreeling structure of tradition on the market cannot make
With, therefore the prior art can not solve the problems, such as that tension variation range is excessive.
Summary of the invention
In order to solve the above-mentioned technical problem, the utility model provides a kind of mechanical tension unwinding device, does not depend on outer
The power supply gas supply come, small to space requirement, tension variation range is excessive when can be very good to solve the problems, such as to unreel.
In order to realize goal of the invention, the utility model adopts the following technical solution: a kind of mechanical tension unwinding device, packet
Barrel is included, barrel is rotatably socketed in barrel shaft, and fabric is on barrel, on one end at least within of barrel shaft
It is fixed with the inner end of fixed link, fixed link is radially extended along barrel；The outboard end of fixed link and one end of torsional spring mounting pin can
Rotation connection, the other end of torsional spring mounting pin and the outboard end of swing arm are rotatablely connected；Torsional spring is socketed in outside torsional spring mounting pin, both ends
It is separately connected the outboard end of fixed link and the outboard end of swing arm；The rotation connection of the inner end of jockey pulley and swing arm, the axis of jockey pulley
To axial parallel with barrel shaft, the cylindrical surface of jockey pulley and web surface overlap joint.
The mechanical tension unwinding device of this programme design, including barrel, common cartridge body are cylindrical shape, and both ends can
To there is section position limiting structure, can also not have.Barrel be socketed in it is free to rotate in barrel shaft, fabric on barrel,
Outboard end is rotated with it by power traction, i.e. drive barrel.Fixation is fixedly installed on one end at least within of barrel shaft
Bar, fixed link are radially extended along barrel, and inner end is fixed with barrel shaft, outboard end by axis hole connection relationship rotatably with
One end of torsional spring mounting pin connects, in general, torsional spring mounting pin is axially parallel to barrel shaft axial direction.Torsional spring mounting pin it is another
One end is then equally rotatably connect with the outboard end of swing arm by axis hole connection relationship.Torsional spring is then socketed in torsional spring mounting pin
Outside, one end is connected and fixed the outboard end of bar, and the other end connects the outboard end of swing arm, makes swing arm in the case where the elastic force of torsional spring pushes, shape
At rotation trend.The inner end of connection swing arm is then equipped with jockey pulley free to rotate, the axial direction and barrel shaft of jockey pulley
It is axial parallel, the cylindrical surface of jockey pulley and web surface overlap.Therefore, jockey pulley compresses always under the elastic force effect of torsional spring
In web surface, tension variation region when unreeling fabric is gentle.If being respectively mounted fixed link in barrel both ends of the shaft, two is solid
The outboard end of fixed pole is respectively mounted torsional spring mounting pin, torsional spring and swing arm, then the roll shaft both ends of jockey pulley can be separately mounted to two
On the inner end of swing arm.
Preferably, barrel both ends of the surface are equipped with barrel limit plate；The roll shaft of jockey pulley is linear bearing；Linear bearing its
Tensioned generation structure is installed in middle one end, and it includes the magnet for being fixed on linear bearing end that the tension, which generates structure, magnet
End close to barrel limit plate is fixed with friction plate；The material for generating the barrel limit plate of structure close to tension is iron.We
Case uses roll shaft of the linear bearing as jockey pulley, it is therefore an objective to shift up jockey pulley in the axis of roll shaft.Barrel both ends
Face is equipped with barrel limit plate, and the barrel limit plate of one end is irony at least within.And the close irony barrel limit of linear bearing
Magnet and friction plate are installed on one end of plate, can be acted on by magnetic attracting and be close to friction plate with barrel limit plate inner sidewall
Together, when barrel limit plate rotates, friction plate generates frictional force to it, keeps barrel rotation uniform.And it completes to unreel
Afterwards, linear bearing can be manually moved axially, friction plate is separated with barrel limit plate inner sidewall, empty barrel can be unloaded
Under, reinstall full barrel.The coefficient of friction of the magnetically and frictionally piece of magnet is by those skilled in the art according to design requirement
Voluntarily select.
Preferably, barrel shaft only wherein one end and the inner end of fixed link are fixed；The inner end of swing arm and straight line
One end connection for being equipped with tension and generating structure of bearing.When barrel shaft only wherein one end and the inner end of fixed link are fixed
In the case of, swing arm also only has one, and the tension that is equipped with of the inner end of swing arm and linear bearing generates one end of structure and connects, can be with
It is very short by the control of the torque arm length of friction plate side, therefore can effectively prevents moment unbalance from leading to the distortion of swing arm.
Preferably, the shape of the magnet is cylinder, axis is overlapped with the axis of jockey pulley.With special-shaped magnet phase
Than tension variation is smaller during circular magnet can accomplish material volume blowing, and within an acceptable range, the selection of magnet shape can be into
Tension accuracy rating during the raising of one step unreels, accomplishes basic identical tension.
In conclusion supplied the beneficial effects of the utility model are: not depending on external power supply, it is small to space requirement, it can
Tension variation range excessive problem when being unreeled with very good solution.
Detailed description of the invention
Fig. 1 is the front view of the utility model.
Fig. 2 is the perspective view of the utility model.
Fig. 3 is the perspective view at another visual angle of the utility model.
Wherein: 1 barrel shaft, 2 barrel limit plates, 3 fabrics, 4 fixed links, 5 torsional spring mounting pins, 6 torsional springs, 7 swing arms, 8
Power roller, 9 tension generate structure, 10 linear bearings.
Specific embodiment
The utility model is further described with specific embodiment with reference to the accompanying drawing.
Embodiment is a kind of mechanical tension unwinding device.As shown in Figure 1, Figure 2 and Figure 3, the mechanical tension of this example is put
Winding apparatus, including columnar barrel, barrel are rotatably socketed in barrel shaft 1, and barrel both ends of the surface are limited equipped with barrel
Plate 2, fabric 3 is between the two barrel limit plates on barrel.The left end of barrel shaft and the inner end of fixed link 4 are fixed,
Fixed link is radially extended along barrel；Along the pin hole that is radially provided with of fixed link, one end of torsional spring mounting pin 5 turns the outboard end of fixed link
Dynamic is plugged in pin hole.The outboard end of swing arm 7 is again provided with pin hole, and the other end rotation of torsional spring mounting pin is plugged on pin hole
In.In this example, it is provided with threaded hole on the pin hole side wall of swing arm outboard end, screw rod has been used to carry out temporal limitation torsion in threaded hole
The rotation relation of spring mounting pin and swing arm outboard end.Torsional spring 6 is socketed in outside torsional spring mounting pin, and both ends are separately connected the outer of fixed link
The outboard end of side and swing arm.
The inner end of swing arm is equipped with jockey pulley shaft mounting hole, and the position of the nearly left end of the roll shaft of jockey pulley 8 is fitted into.
The roll shaft of jockey pulley is linear bearing 10, and tensioned generation structure 9 is installed in the left end of linear bearing, which generates structure and include
It is fixed on the magnet of linear bearing left end, the end of the close barrel limit plate of magnet is fixed with friction plate.In this example, magnet
Shape is cylinder, and axis is overlapped with the axis of jockey pulley.The material for generating the barrel limit plate of structure close to tension is iron.It can
To attract linear bearing by suction, friction plate is made to be close to the inner sidewall of barrel limit plate.The axial direction and barrel shaft of jockey pulley
It is axial parallel, the cylindrical surface of jockey pulley and web surface overlap.
The mechanical tension unwinding device of this example, jockey pulley is close to fabric under the elastic force effect of torsional spring, in friction plate
Barrel limit plate is carried out under effect to act to keep barrel rotation uniformly.During fabric diameter becomes smaller jockey pulley always with
Be pressed on web surface.During fabric unreels, fabric rolls up tension force in relative constant range.
Claims (4)
1. a kind of mechanical tension unwinding device, including barrel, barrel is rotatably socketed on barrel shaft (1), fabric (3)
On barrel, characterized in that the inner end on one end at least within of barrel shaft with fixed link (4) is fixed, fixed link
It is radially extended along barrel；The outboard end of fixed link and the one end of torsional spring mounting pin (5) are rotatably connected, torsional spring mounting pin it is another
The outboard end at end and swing arm (7) is rotatablely connected；Torsional spring (6) is socketed in outside torsional spring mounting pin, and both ends are separately connected the outer of fixed link
The outboard end of side and swing arm；The inner end of jockey pulley (8) and swing arm is rotatablely connected, the axial direction of jockey pulley and the axis of barrel shaft
To parallel, the cylindrical surface of jockey pulley and web surface overlap joint.
2. a kind of mechanical tension unwinding device according to claim 1, characterized in that barrel both ends of the surface are limited equipped with barrel
Position plate (2)；The roll shaft of jockey pulley is linear bearing (10)；Wherein one end of linear bearing is installed by tensioned generation structure (9), institute
Stating tension and generating structure includes the magnet for being fixed on linear bearing end, and the end of the close barrel limit plate of magnet, which is fixed with, rubs
Pad；The material for generating the barrel limit plate of structure close to tension is iron.
3. a kind of mechanical tension unwinding device according to claim 2, characterized in that only wherein one end of barrel shaft
It is fixed with the inner end of fixed link；The inner end of swing arm and one end connection for being equipped with tension and generating structure of linear bearing.
4. a kind of mechanical tension unwinding device according to claim 2 or 3, characterized in that the shape of the magnet is
Cylinder, axis are overlapped with the axis of jockey pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920023959.5U CN209684920U (en) | 2019-01-07 | 2019-01-07 | A kind of mechanical tension unwinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920023959.5U CN209684920U (en) | 2019-01-07 | 2019-01-07 | A kind of mechanical tension unwinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209684920U true CN209684920U (en) | 2019-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920023959.5U Active CN209684920U (en) | 2019-01-07 | 2019-01-07 | A kind of mechanical tension unwinding device |
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| CN (1) | CN209684920U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112444476A (en) * | 2020-12-09 | 2021-03-05 | 浙江圣丹努新材料科技股份有限公司 | Fabric air permeability detection equipment |
| CN113233224A (en) * | 2021-05-19 | 2021-08-10 | 经纬智能纺织机械有限公司 | Gauze mask machine cloth supplies with damping mechanism |
| CN114162655A (en) * | 2021-11-25 | 2022-03-11 | 江苏润云纺织科技有限公司 | Adjustable material guide device for weaving setting machine |
| CN114701925A (en) * | 2022-05-18 | 2022-07-05 | 陕西欣欣智能管业有限公司 | Tensioner for pipe winding machine |
| CN115324339A (en) * | 2022-07-08 | 2022-11-11 | 济南四建（集团）有限责任公司 | Waterproofing membrane hot melt equipment for civil engineering |
| CN116901456A (en) * | 2023-09-14 | 2023-10-20 | 山西同天翔有色金属有限公司 | Aluminum foil water-based material film laminating device and film laminating method thereof |
-
2019
- 2019-01-07 CN CN201920023959.5U patent/CN209684920U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112444476A (en) * | 2020-12-09 | 2021-03-05 | 浙江圣丹努新材料科技股份有限公司 | Fabric air permeability detection equipment |
| CN113233224A (en) * | 2021-05-19 | 2021-08-10 | 经纬智能纺织机械有限公司 | Gauze mask machine cloth supplies with damping mechanism |
| CN114162655A (en) * | 2021-11-25 | 2022-03-11 | 江苏润云纺织科技有限公司 | Adjustable material guide device for weaving setting machine |
| CN114162655B (en) * | 2021-11-25 | 2024-03-22 | 江苏润云纺织科技有限公司 | Adjustable material guiding device for loom setting machine |
| CN114701925A (en) * | 2022-05-18 | 2022-07-05 | 陕西欣欣智能管业有限公司 | Tensioner for pipe winding machine |
| CN114701925B (en) * | 2022-05-18 | 2024-06-07 | 陕西欣欣智能管业有限公司 | Tensioner for pipe winding machine |
| CN115324339A (en) * | 2022-07-08 | 2022-11-11 | 济南四建（集团）有限责任公司 | Waterproofing membrane hot melt equipment for civil engineering |
| CN115324339B (en) * | 2022-07-08 | 2024-08-02 | 济南四建（集团）有限责任公司 | Waterproof coiled material hot melting equipment for civil engineering construction |
| CN116901456A (en) * | 2023-09-14 | 2023-10-20 | 山西同天翔有色金属有限公司 | Aluminum foil water-based material film laminating device and film laminating method thereof |
| CN116901456B (en) * | 2023-09-14 | 2023-12-22 | 山西同天翔有色金属有限公司 | Aluminum foil water-based material film laminating device and film laminating method thereof |
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