CN217808042U - Improved air expansion shaft - Google Patents
Improved air expansion shaft Download PDFInfo
- Publication number
- CN217808042U CN217808042U CN202221991844.3U CN202221991844U CN217808042U CN 217808042 U CN217808042 U CN 217808042U CN 202221991844 U CN202221991844 U CN 202221991844U CN 217808042 U CN217808042 U CN 217808042U
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- groove
- air bag
- air
- barrel
- shaft
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Abstract
An improved inflatable shaft comprises a shaft core, wherein a barrel is sleeved on the shaft core, at least one groove is formed in the outer side wall of the barrel, the groove extends from one end of the barrel to the other end of the barrel, an air bag is arranged in each groove, the air bag extends from one end of the groove to the other end of the groove, and an air valve inflation port is formed in one end of the air bag; in the cross section of the groove and the air bag, the perimeter of the air bag after being filled with air is larger than the sum of the perimeter of the groove and the opening width of the groove. The utility model discloses with the miniaturized setting of gasbag in the barrel lateral wall to reduce the use of the protruding key of metal among the prior art physiosis axle construction, and reduced the vertical logical groove of seting up on the axle core, further the dabber comprises carbon-fibre composite material moreover, thereby can improve the intensity of axle core, make the axle core be difficult to take place deformation in the very big operating mode of bearing a burden.
Description
Technical Field
The utility model relates to the field of machinary, especially, relate to an utilize bloated tight device, especially a modified physiosis axle of atmospheric pressure outside expansion.
Background
The physiosis axle is comparatively common in the industrial production of roll-to-roll, single unreeling and single rolling, and with shutdown machinery such as coating machine, leather machine, forming machine, coining mill, slitting machine, cross cutting machine, rewinding machine, fiber container machine, rigging machine, laminating machine, inflation film manufacturing machine, foaming machine, drench film machine, embosser, paper machine, non-woven machine, cloth inspection machine, gilding press, battery equipment supporting use. The air expansion shaft is divided into a key type air expansion shaft, a plate type air expansion shaft, a round dot air expansion shaft, an aluminum alloy air expansion shaft, an air nail shaft and the like. The convex key air-expanding shaft is common, carbon steel and aluminum alloy are generally adopted as main cylinders, air bags and convex keys are arranged in the main cylinders, and after the air bags are inflated, the convex keys protrude through strip-shaped grooves formed in the cylinders and are in contact with the inner wall of a winding core cylinder on the outer side to support the air bags. On the contrary, when the air bag is deflated, the convex key retracts, and the core rolling barrel can be taken down from the air inflation shaft.
The physiosis axle has acted as the effect of rolling up the dabber at the in-process of rolling up and unreeling, in some use operating modes to rolling up and unreeling the requirement height, all can promotion by a wide margin to strength requirement, the required precision of physiosis axle. For example, in the winding of a wide copper foil material, the foil material is easily deformed due to the high density of the copper foil. The requirements for the winding core and the air expansion shaft can greatly improve the standard. However, the strength of the air expansion shaft in the prior art is not enough, the air expansion shaft cannot adapt to the working condition, and the deflection deformation is easy to occur when the load of the shaft core is too large.
Disclosure of Invention
An object of the utility model is to provide a modified physiosis axle, this kind of modified physiosis axle solve prior art physiosis axle intensity and not enough and can not adapt to the technical problem of certain operating mode.
The utility model discloses an improved inflatable shaft, which comprises a shaft core, wherein the shaft core is sleeved with a barrel, the outer side wall of the barrel is provided with at least one groove, the groove extends from one end of the barrel to the other end of the barrel, an air bag is respectively arranged in any one groove, the air bag extends from one end of the groove to the other end of the groove, and one end of the air bag is provided with an air valve inflation inlet; in the cross section of the groove and the air bag, the air bag is protruded out of the outer circumferential surface of the cylinder body after being filled with air.
Further, the groove is a spiral groove, and the air bag is a first small air bag.
Or the grooves are linear grooves, the number of the linear grooves is more than two, the linear grooves are uniformly distributed along the circumferential direction of the cylinder, the extending direction of the linear grooves is parallel to the axial direction of the cylinder, and the air bag is a second small air bag.
Further, the shaft core is made of carbon fiber composite materials.
Further, the perimeter of the air bag after being filled with air is larger than the sum of the perimeter of the groove and the width of the opening of the groove.
Compared with the prior art, the utility model, its effect is positive and obvious. The utility model discloses a modified physiosis axle is miniaturized the gasbag and sets up in the barrel lateral wall to reduce the use of the protruding key of metal among the prior art physiosis axle construction, and reduced the vertical logical groove of seting up on the axle core, further the dabber comprises carbon-fibre composite moreover, thereby can improve the intensity of axle core, make the axle core be difficult to take place deformation in the very big operating mode of bearing a burden.
Drawings
Fig. 1 is a front cross-sectional view of a first embodiment of an improved air shaft of the present invention.
Fig. 2 is a schematic side view of a first embodiment of an improved inflatable shaft according to the present invention.
Fig. 3 is a schematic front sectional view of a second embodiment of an improved air shaft according to the present invention.
Fig. 4 is a schematic cross-sectional side view of a second embodiment of the improved air shaft of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, but the present invention is not limited to the examples, and all similar structures and similar variations of the present invention can be adopted to fall into the protection scope of the present invention. The utility model provides an upper and lower, preceding, back, left and right equidirectional use only for the description convenience, it is not right the technical scheme's of the utility model restriction.
As shown in fig. 1, 2, 3 and 4, the improved inflatable shaft of the present invention comprises a shaft core 1, wherein the shaft core 1 is sleeved with a cylinder 2, at least one groove is arranged in the outer side wall of the cylinder 2, the groove extends from one end of the cylinder 2 to the other end of the cylinder 2, an air bag is respectively arranged in any one of the grooves, the air bag extends from one end of the groove to the other end of the groove, and one end of the air bag is provided with an air valve inflation port (not shown); in the cross section of the groove and the air bag, the air bag is protruded out of the outer circumferential surface of the cylinder 2 after being filled with air.
Further, the groove is a spiral groove 3, and the air bag is a first small air bag 4;
or the grooves are linear grooves 5, the number of the linear grooves 5 is more than two, the linear grooves 5 are uniformly distributed along the circumferential direction of the cylinder 2, the extending direction of the linear grooves 5 is parallel to the axial direction of the cylinder 2, and the air bag is a second small air bag 6.
Further, the shaft core 1 is made of carbon fiber composite material.
The carbon fiber composite material has the characteristic of light weight, the specific gravity of the carbon fiber composite material is 1.7g/cm < 3 >, the density of carbon steel is 7.85.7g/cm < 3 >, the density of aluminum alloy is 2.7.7g/cm < 3 >, and the strength is far higher than that of the carbon steel and the aluminum alloy.
Specifically, the shaft core 1, the cylinder 2, the small-sized airbag, the air valve inflation inlet, the carbon fiber composite material and the like in the embodiment all adopt known schemes in the prior art, and are known to those skilled in the art, and are not described herein again.
The working principle of the embodiment is as follows: the first small air bag 4 or the second small air bag 6 is inflated through the air valve inflation port by the inflation device, so that the first small air bag 4 protrudes outwards from the spiral groove 3 or the second small air bag 6 protrudes outwards from the linear groove 5 and is in contact with the inner wall of the winding core cylinder to support the winding core cylinder.
The utility model discloses a modified physiosis axle is miniaturized the gasbag and sets up in 2 lateral walls of barrel to reduce the use of the protruding key of metal among the prior art physiosis axle construction, and reduced the vertical logical groove of seting up on axle core 1, further the dabber comprises carbon-fibre composite moreover, thereby can improve the intensity of axle core 1, make axle core 1 be difficult to take place deformation in the very big operating mode of bearing a burden.
Claims (5)
1. The utility model provides a modified physiosis axle, includes a mandrel, the mandrel on the cover be equipped with a barrel, its characterized in that: the outer side wall of the barrel is provided with at least one groove, the grooves extend from one end of the barrel to the other end of the barrel, an air bag is arranged in each groove, the air bags extend from one end of each groove to the other end of each groove, and one end of each air bag is provided with an air valve inflation inlet; in the cross section of the groove and the air bag, the air bag is protruded out of the outer circumferential surface of the cylinder body after being filled with air.
2. An improved air shaft as set forth in claim 1, wherein: the groove is a spiral groove, and the air bag is a first small air bag.
3. An improved air shaft as set forth in claim 1, wherein: the recess be sharp recess, the quantity of sharp recess be more than two, sharp recess evenly distributed along the circumferencial direction of barrel, the extending direction of sharp recess is on a parallel with the axial of barrel, the gasbag is the small-size gasbag of second.
4. An improved air shaft as set forth in claim 1, wherein: the shaft core is made of carbon fiber composite materials.
5. An improved air shaft as set forth in claim 1, wherein: the perimeter of the air bag after being filled with air is larger than the sum of the perimeter of the groove and the width of the opening of the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221991844.3U CN217808042U (en) | 2022-08-01 | 2022-08-01 | Improved air expansion shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221991844.3U CN217808042U (en) | 2022-08-01 | 2022-08-01 | Improved air expansion shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217808042U true CN217808042U (en) | 2022-11-15 |
Family
ID=83971416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221991844.3U Active CN217808042U (en) | 2022-08-01 | 2022-08-01 | Improved air expansion shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217808042U (en) |
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2022
- 2022-08-01 CN CN202221991844.3U patent/CN217808042U/en active Active
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