CN217250318U

CN217250318U - Porous medium air-float roller

Info

Publication number: CN217250318U
Application number: CN202221040590.7U
Authority: CN
Inventors: 施伟; 周玉望; 明文建
Original assignee: Guangdong Jiatuo Automation Technology Co ltd
Current assignee: Guangdong Jiatuo Automation Technology Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-23
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses a porous medium air supporting roller, including the roll body, the roll body includes porous medium ring cover and back shaft, the inside through-hole that runs through that has of back shaft, seted up on the back shaft with the hole of running through that runs through the through-hole intercommunication, porous medium ring cover inside has fine and close hole, the fine and close hole that runs through exhaust hole export and porous medium ring cover inside wall intercommunication and accessible porous medium ring cover is with porous medium ring cover surface of cover of air current discharge, and the air current forms the fine and close stable air film of one deck via the inside air current channel of porous medium roller on the roll surface, gets up the stable suspension of substrate, has solved the poor problem of conventional air supporting roller suspension stability.

Description

Porous medium air-float roller

Technical Field

The utility model relates to a lithium battery diaphragm coating technical field especially relates to a porous medium air supporting roller in the stoving process.

Background

The existing air floatation roller is provided with a plurality of air outlet holes at the periphery of a winding drum, air flow is blown out through the air outlet holes simultaneously, the air floatation force formed by the air flow is used for jacking up a base material, and non-contact type tape walking of the base material is realized.

However, the air outlet holes of the existing air floating roller have large aperture and high air outlet speed, and cannot form an even air film on the roller surface, so that the base material can shake irregularly when the wet coating film is suspended and supported, and the coating stability is affected.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a porous medium air supporting roller forms the even fine and close air film of one deck through porous medium on the roll body surface, realizes the stability of substrate suspension and the stability of taking away.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a porous medium air supporting roller, includes the roll body, its characterized in that: the roll body comprises a porous medium ring sleeve and a supporting shaft, a through hole is formed in the supporting shaft, a through exhaust hole communicated with the through hole is formed in the supporting shaft, compact pores are formed in the porous medium ring sleeve, an outlet of the through exhaust hole is communicated with the inner side wall of the porous medium ring sleeve, and air flow can be exhausted to the outer surface of the porous medium ring sleeve through the compact pores of the porous medium ring sleeve.

As a further improvement of the above technical solution, the support shaft is provided with a plurality of ribs along the axial direction.

As the further improvement of the technical scheme, the supporting shaft is provided with an inward concave avoiding vacancy, the ribbed plates are distributed in the inward concave avoiding vacancy, the inward concave avoiding vacancy is divided into a plurality of spacing cavities by the aid of the ribbed plates, and the penetrating exhaust holes are formed in the bottom positions of the spacing cavities and communicated with the penetrating through holes in the supporting shaft.

As a further improvement of the above technical solution, the porous medium loop is an open arc loop, and has an inner arc surface and an outer arc surface, and the inner arc surface of the porous medium loop covers the opening of the compartment.

As a further improvement of the technical scheme, the two ends of the supporting shaft are provided with connecting flanges, and the connecting flanges are fixedly installed on an installation frame of the equipment through a bearing with a seat.

As a further improvement of the technical scheme, the connecting flange comprises a flange plate and a flange shaft, the flange plate is fixed at the end part of the supporting shaft through bolts, a central hole is formed in the flange shaft, the inner end of the hollow hole is communicated with the through hole of the supporting shaft, and an air pipe connector is arranged at the inlet of the outer end of the central hole and used for being connected with an external air source.

As a further improvement of the technical scheme, the pore diameter of the porous medium ring sleeve is micron-sized, and the inside of the porous medium ring sleeve is of a sponge-like structure.

As a further improvement of the above technical solution, the support shaft is on the same horizontal line with the center of the connecting flange, and the support shaft and the sealing surface of the connecting flange are in a 90-degree vertical shape.

As a further improvement of the technical scheme, the diameter of the through hole is 25mm, and the diameter of the through exhaust hole is 2 mm.

As a further improvement of the technical scheme, the number of the rib plates is 22, and the thickness of the rib plate is 5 mm.

The beneficial effects of the utility model are that: the utility model provides a porous medium air supporting roller through set up porous medium ring cover on the backing roll, utilizes porous medium ring cover to have the characteristics in fine and close hole, and the air current forms the fine and close stable air film of one deck via the inside air current passageway of porous medium roller on the roll surface, gets up the stable suspension of substrate, has solved the poor problem of conventional air supporting roller suspension stability.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic assembly view of the present invention;

fig. 2 is a schematic structural view of the support shaft of the present invention;

fig. 3 is a structural sectional view of the support shaft of the present invention;

fig. 4 is a structural exploded view of the center-mounted bearing of the present invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.

Referring to fig. 1 to 4, in the present embodiment, a porous medium air-bearing roller includes a roller body, the roller body includes a multi-medium ring sleeve 1 and a support roller 6, and an external connection device, the connection device includes a connection flange 4 and a bearing with seat 3, and the bearing with seat is divided into a bearing with seat 32 and a bearing seat 31.

The inside of the multi-medium ring sleeve 1 is provided with compact pores, the pores of the porous medium ring sleeve 1 are micropores with the diameter of 20 microns, the inside of the porous medium ring sleeve is of a sponge-like structure and is an open arc-shaped ring sleeve, the inner arc-shaped ring sleeve is provided with an inner arc-shaped surface and an outer arc-shaped surface, the inner arc-shaped surface of the porous medium ring sleeve covers the opening position of the spacing cavity, and the material cost can be saved due to the open design.

The inside through-hole 9 that runs through that has of backing roll 6, be equipped with on backing roll 6 with run through the through-hole 8 that the through-hole 9 is connected, the export and the porous medium ring cover 1 inside wall intercommunication that run through exhaust hole 8, the diameter that runs through-hole 9 is 25mm, the diameter that runs through exhaust hole 8 is 2 mm.

The supporting shaft 6 is provided with an inward concave space avoiding position, a plurality of ribbed plates 7 are uniformly arranged on the inward concave space avoiding position, the number of the ribbed plates 7 is 22, the thickness of the ribbed plates 7 is 5mm, the ribbed plates can be additionally bonded with the porous medium ring sleeve 1, the strength of the porous medium ring sleeve is reinforced, and the porous medium ring sleeve cannot deviate in position in work.

The plurality of rib plates 7 divide the inward concave avoidance space into a plurality of spacing cavities, the through exhaust holes 8 are formed in the bottom positions of the spacing cavities and communicated with the through holes 9 in the supporting shaft, 17 through exhaust holes are uniformly distributed in each spacing cavity, and compressed air conveyed to the supporting shaft can be uniformly distributed in the porous medium ring sleeve through the through exhaust holes.

The connecting flange 4 comprises a flange plate and a flange shaft, the flange plate is fixed at the end part of the supporting roller 6, the end part of the supporting roller 6 is provided with a corresponding fixing hole 5, a central hole is formed in the connecting flange, the inner end of the central hole is communicated with a through hole 9 of the supporting roller, an air pipe connector 2 is arranged at the inlet of the outer end of the central hole, and the air pipe connector 2 is used for being connected with an external air source.

When the air flotation roller works, air is input through the air pipe connector 2, the conveying track sequentially comprises the through hole 9, the through exhaust hole 8 and the pores on the multi-medium ring sleeve, airflow is exhausted to the outer surface of the porous medium ring sleeve through the compact pores of the porous medium ring sleeve, and the airflow forms a compact and stable air film on the roller surface through the airflow channel in the porous medium roller, so that a base material is stably suspended, and the problem of poor suspension stability of the conventional air flotation roller is solved.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a porous medium air supporting roller, includes the roll body, its characterized in that: the roll body comprises a porous medium ring sleeve and a supporting shaft, a through hole is formed in the supporting shaft, a through exhaust hole communicated with the through hole is formed in the supporting shaft, compact pores are formed in the porous medium ring sleeve, an outlet of the through exhaust hole is communicated with the inner side wall of the porous medium ring sleeve, and air flow can be exhausted to the outer surface of the porous medium ring sleeve through the compact pores of the porous medium ring sleeve.

2. The porous media air-bearing roller of claim 1, wherein: the supporting shaft is provided with a plurality of rib plates along the axis direction.

3. The porous media air-bearing roller of claim 2, wherein: the supporting shaft is provided with an inward concave space avoiding position, the rib plates are distributed in the inward concave space avoiding position, the inward concave space avoiding position is divided into a plurality of spacing cavities by the plurality of rib plates, and the penetrating exhaust holes are formed in the bottom of the spacing cavities and communicated with the penetrating through holes in the supporting shaft.

4. A porous media air-bearing roller as in claim 3, wherein: the porous medium ring sleeve is an open arc ring sleeve and is provided with an inner arc surface and an outer arc surface, and the inner arc surface of the porous medium ring sleeve covers the opening of the spacing cavity.

5. The porous media air-bearing roller of claim 1, wherein: and the two ends of the supporting shaft are provided with connecting flanges, and the connecting flanges are fixedly installed on an installation frame of the equipment through a bearing with a seat.

6. The porous-media air-bearing roller of claim 5, wherein: the connecting flange comprises a flange plate and a flange shaft, the flange plate is fixed at the end part of the supporting shaft through bolts, a central hole is formed in the flange shaft, the inner end of the hollow hole is communicated with the through hole of the supporting shaft, and an air pipe connector is arranged at the inlet of the outer end of the central hole and used for being connected with an external air source.

7. The porous media air-bearing roller of claim 1, wherein: the pore diameter of the porous medium ring sleeve is micron-sized, and the inside of the porous medium ring sleeve is of a sponge-like structure.

8. The porous-media air-bearing roller of claim 5, wherein: the supporting shaft and the center of the connecting flange are on the same horizontal line, and the sealing surface of the supporting shaft and the sealing surface of the connecting flange are in a 90-degree vertical shape.

9. The porous media air-bearing roller of claim 1, wherein: the diameter of the through hole is 25mm, and the diameter of the through exhaust hole is 2 mm.

10. The porous media air-float roll of claim 2, wherein: the number of the rib plates is 22, and the thickness of each rib plate is 5 mm.