CN212101239U - Damping constant tension device applied to production on non-woven fabric - Google Patents
Damping constant tension device applied to production on non-woven fabric Download PDFInfo
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- CN212101239U CN212101239U CN201922346426.3U CN201922346426U CN212101239U CN 212101239 U CN212101239 U CN 212101239U CN 201922346426 U CN201922346426 U CN 201922346426U CN 212101239 U CN212101239 U CN 212101239U
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Abstract
The invention provides a damping constant tension device applied to the production of non-woven cloth, which comprises: no. 1 damping roller and No. 2 damping roller, tension roller, cylinder, magnetic powder brake etc. of arranging from top to bottom. The No. 1 damping roller and the No. 2 damping roller are connected through a gear, and the magnetic powder brake center shaft is connected with the No. 1 damping roller center shaft. The tension roller is arranged behind the No. 2 damping roller, the tension roller is fixed on the cylinders on two sides, and the cylinders are fixed on the cross beam.
Description
Technical Field
The invention belongs to the technical field of weftless fabric production, and particularly relates to a damping constant tension device for producing ultra-high molecular weight polyethylene weftless fabric.
Background
High-performance fiber laid fabric and composite sheet based on the same belong to the high-end application field, and the application field is continuously expanded along with the continuous progress of equipment technology. For example, the non-woven fabric using aramid fiber and ultra-high molecular weight polyethylene fiber as base materials has excellent performances of soft hand feeling, small density, abrasion resistance, impact resistance, strong cutting toughness and the like, and the product is widely applied to soft bulletproof clothes, light bulletproof helmets, light bulletproof armor plates, stab and cutting resistant clothing linings and special public anti-riot facilities, and is one of the bulletproof materials with highest strength and lightest specific gravity in the world at present.
Continuous UD sheets with large-width laid fabrics are the mainstream and the direction of the current development, and basically replace the manufacturing mode of winding UD sheets, such as patent CN 207793613U. However, the basic preparation process of all the UD sheets of the non-woven cloth can not be separated from the flattening process of the fiber tows, and due to the fact that the number of the tows is too large, the width of the unfolded filament sheet is not stable under stress, and the quality of the product is seriously affected.
Disclosure of Invention
The damping constant tension device overcomes the defects of the prior art, and is simple and convenient in structure, convenient to operate and good in wire spreading effect. In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a novel damped constant tension device, the apparatus comprising: damping roller 1 and damping roller 2, tension roll, cylinder, magnetic powder brake etc. of arranging from top to bottom. The No. 1 damping roller and the No. 2 damping roller are connected through a gear, and the middle shaft of the magnetic powder brake is connected with the middle shaft of the No. 1 damping roller. The tension roller is arranged behind the No. 2 damping roller, the tension roller is fixed on the cylinders on two sides, and the cylinders are fixed on the cross beam.
As an improvement of the utility model, No. 1 damping roller, No. 2 damping roller are connected with magnetic powder brake, reach control damping roller resistance size through control magnetic powder brake.
As an improvement of the utility model, the tension roller is controlled by the both sides cylinder, controls the tension roller tension size through changing cylinder pressure.
As an improvement of the utility model, the cylinder adopts the twin columns cylinder in order to ensure tension roller stability.
As an improvement of the utility model, the roll surface of the roll body is less than 1 cm at a distance to ensure the tow spreading effect.
The invention has the beneficial effects that: the structure is simple, the operation is convenient, and the performance is excellent. The damping constant tension device ensures the tension stability of the filament bundle, the filament spreading is more uniform, flat and thin, and the width of the filament spreading is constant and does not shake. The magnetic powder brake and the tension roller cylinder can be adjusted to meet different processes to achieve a better filament spreading effect. The tension roller has another obvious function of avoiding the phenomenon of long-time gap of the UD sheet of the laid fabric caused by the sudden change of the tension of the tows when the production line is stopped and started.
Drawings
Fig. 1 is a schematic structural diagram of the invention. As shown in the figure: 1 is damping roller No. 1, 2 is damping roller No. 2, 3 is the magnetic powder stopper, 4 is the tension roll, 5, 6 are the tension roll cylinder, 7 are the crossbeam.
FIG. 2 is a schematic diagram of the operation. As shown in the figure, 1 is a No. 1 damping roller, 2 is a No. 2 damping roller, 3 is a magnetic powder brake, 4 is a tension roller, 5 is a tension cylinder, and 8 is a tow.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, it being understood that the following specific embodiments are illustrative of the present invention only and are not intended to limit the scope of the present invention, and the ultra-high molecular weight polyethylene fibers will be exemplified below.
As shown in figure 2, the No. 1 damping roller and the No. 2 damping roller are vertically arranged and connected through a gear, and the distance between the roller surfaces is less than 1 cm. The magnetic powder brake 3 is connected with the central shaft of the No. 1 damping roller 1. The tension roller 4 is arranged on the rear side of the No. 2 damping roller 2 and is basically on a horizontal plane, and the tension roller 4 is arranged on the tension cylinders 5 on two sides.
As shown in fig. 2, the tow 8 is drawn out from the lower side of the tension roller 4 after passing through the damping rollers 1 and 2 No. 1 and 2. The controller through adjusting magnetic powder brake 3 comes control 1 No. damping roller, 2 damping roller to 8 resistance size of silk bundle, can adjust different resistance size according to different technologies in order to reach the best effect. The air pressure of the tension cylinder 5 is adjusted to control the position of the tension roller 4 in the vertical direction, so as to control the tension of the tows.
The technical means disclosed in the invention are not limited to the technical means disclosed in the above embodiments, and include technical means formed by any combination of the above technical features. The high-performance fiber related to the invention is not limited to the ultra-high molecular weight polyethylene fiber in the scheme, and also comprises aramid fiber, carbon fiber and other high-performance fibers suitable for the invention.
Claims (5)
1. The utility model provides a be applied to damping constant tension device of production usefulness on no latitude cloth which characterized in that: mainly comprises a No. 1 damping roller, a No. 2 damping roller, a tension roller, a cylinder and a magnetic powder brake which are arranged up and down; the No. 1 damping roller and the No. 2 damping roller are connected through a gear, and a magnetic powder brake center shaft is connected with a No. 1 damping roller center shaft; the tension roller is arranged behind the No. 2 damping roller, the tension roller is fixed on the cylinders on two sides, and the cylinders are fixed on the cross beam.
2. The damping constant tension device applied to the production of the weftless fabric in claim 1 is characterized in that: the damping roller No. 1 and the damping roller No. 2 are connected with the magnetic powder brake, and the resistance of the damping roller is controlled by controlling the magnetic powder brake.
3. The damping constant tension device applied to the production of the weftless fabric in claim 1 is characterized in that: the tension roller is controlled by cylinders on two sides, and the tension of the tension roller is controlled by changing the pressure intensity of the cylinders.
4. The damping constant tension device applied to the production of the weftless fabric in claim 1 is characterized in that: the cylinder adopts a double-column cylinder to ensure the stability of the tension roller.
5. The damping constant tension device applied to the production of the weftless fabric in claim 1 is characterized in that: the distance between the roller surfaces of the damping rollers is less than 1 cm so as to ensure the spreading effect of the tows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922346426.3U CN212101239U (en) | 2019-12-24 | 2019-12-24 | Damping constant tension device applied to production on non-woven fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922346426.3U CN212101239U (en) | 2019-12-24 | 2019-12-24 | Damping constant tension device applied to production on non-woven fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212101239U true CN212101239U (en) | 2020-12-08 |
Family
ID=73624344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922346426.3U Active CN212101239U (en) | 2019-12-24 | 2019-12-24 | Damping constant tension device applied to production on non-woven fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212101239U (en) |
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2019
- 2019-12-24 CN CN201922346426.3U patent/CN212101239U/en active Active
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