CN216278960U

CN216278960U - Polyurethane rubber roller for dieless casting molding

Info

Publication number: CN216278960U
Application number: CN202122590867.5U
Authority: CN
Inventors: 韩盛才
Original assignee: Hangzhou Shunlong Rubber Roll Co ltd
Current assignee: Hangzhou Shunlong Rubber Roll Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-12
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses a polyurethane rubber roller molded by die-less casting, which comprises a rubber roller main body, wherein a roller core is arranged in the rubber roller main body, two ends of the roller core are connected with bearing assemblies through roller core supports, mounting plates are arranged at two ends of the roller core supports, the roller core supports are fixed with the side surface of the rubber roller main body through the mounting plates, the outer surface of the roller core is wrapped with an isolation surface layer, the outer surface of the isolation surface layer is respectively wrapped with a heat insulation layer, an elastic surface layer and a polyurethane composite wrapping layer, the polyurethane composite wrapping layer is wrapped on the outer surface of the elastic surface layer, the inner part of the polyurethane composite wrapping layer is composed of a polyurethane rubber surface layer and a polyurethane fiber inner layer, and the polyurethane rubber surface layer is wrapped on the outer surface of the polyurethane fiber inner layer. The polyurethane rubber roller has the advantages of high strength, high tearing resistance and the like, can bear a high-pressure and high-humidity production environment, can greatly improve the line pressure, and has the advantages of compact and stable installation.

Description

Polyurethane rubber roller for dieless casting molding

Technical Field

The utility model relates to the technical field of rubber rollers, in particular to a polyurethane rubber roller molded by die-less casting.

Background

The rubber roller is a roller-shaped product which is prepared by taking metal or other materials as a core and coating rubber outside and vulcanizing. According to the application, the method comprises the following steps: papermaking rubber rollers, printing and dyeing rubber rollers, printing rubber rollers, rice hulling rubber rollers, metallurgy rubber rollers, mimeographing rubber rollers and the like; the rubber roller generally comprises an outer layer of rubber, a hard rubber layer, a metal core, a roller neck and a vent hole, and the processing comprises the working procedures of roller core sand blasting, bonding treatment, rubberizing forming, cloth wrapping, iron wire winding, vulcanizing in a vulcanizing tank, surface processing and the like. The rubber roller is mainly applied to the aspects of papermaking, printing and dyeing, printing, grain processing, metallurgy, plastic processing and the like.

The installation of the fashioned polyurethane rubber roll of present no mould casting is fixed inconvenient, and structural function is comparatively single, therefore the market needs to develop a neotype no mould casting's polyurethane rubber roll and solve the problem that above-mentioned exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a polyurethane rubber roller molded by die-less casting, which solves the problems that the existing polyurethane rubber roller molded by die-less casting in the background art is inconvenient to mount and fix and has single structural function.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a fashioned polyurethane rubber roll of no mould casting, includes the rubber roll main part, the internally mounted of rubber roll main part has the roller core, and the both ends of roller core are connected with bearing assembly through the roller core supporting, and the both ends of roller core supporting are provided with the mounting panel, and the roller core supporting is fixed mutually through the side surface of mounting panel with the rubber roll main part, the surface coating of roller core has the isolation surface course, and the surface of isolation surface course cladding has insulating layer, elastic surface layer and the compound cladding of polyurethane respectively, and the compound cladding of polyurethane cladding is at the surface of elastic surface course, and the inside of the compound cladding of polyurethane comprises polyurethane rubber surface course and polyurethane fiber inlayer, and the surface of polyurethane rubber surface course parcel at polyurethane fiber inlayer.

Preferably, the surface of the mounting plate is provided with a mounting hole, and the mounting plate penetrates through the mounting hole through a bolt fastener to be connected with the rubber roll main body.

Preferably, the center of the surface of the roller core support is provided with a shaft hole, and the shaft hole is tightly embedded and fixed with the roller core.

Preferably, the surface of the roller core support is provided with a fixing screw hole, and the roller core support passes through the fixing screw hole through a screw to be connected with the rubber roller main body.

Preferably, a fixed shaft tube is installed inside the bearing assembly, and a rotating shaft is installed inside the fixed shaft tube.

Preferably, the outer surface of the rotating shaft is wrapped with a fixing clamping sleeve, and the surface of the fixing clamping sleeve is provided with a groove.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the rubber roll comprises a rubber roll main body, a roll core bearing, a bearing assembly, a mounting plate, a bolt screw and a bolt screw, wherein the roll core is arranged in the rubber roll main body;

(2) the surface coating of roller core has the isolation surface course, the surface of keeping apart the surface course wraps the insulating layer respectively, elastic surface layer and the compound cladding of polyurethane, the inside of the compound cladding of polyurethane comprises polyurethane rubber surface course and polyurethane fiber inlayer, the compound cladding of polyurethane has higher intensity, high anti advantage such as tearing, can bear high pressure, high humid production environment, the line pressure that it bore can improve greatly, the insulating layer plays isolated ambient temperature's effect, effectively prevent inside roller core subassembly emergence expend with heat and contract with cold phenomenon.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is a schematic view of the structure at position A of the present invention;

FIG. 3 is a schematic view of the internal structure of the polyurethane composite cladding according to the present invention;

FIG. 4 is a schematic view of the roll core support structure of the present invention.

In the figure: 1. a rubber roller main body; 2. a polyurethane composite cladding; 3. an elastic facing layer; 4. a thermal insulation layer; 5. an isolation surface layer; 6. mounting a plate; 7. a bolt fastener; 8. fixing the shaft tube; 9. a roll core; 10. supporting a roller core; 11. a bearing assembly; 12. fixing the clamping sleeve; 13. a rotating shaft; 14. a polyurethane rubber facing; 15. a polyurethane fiber inner layer; 16. fixing screw holes; 17. mounting holes; 18. and the shaft hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, an embodiment of the present invention is shown: the utility model provides a fashioned polyurethane rubber roll of no mould casting, including rubber roll main part 1, the internally mounted of rubber roll main part 1 has roller core 9, the both ends of roller core 9 are connected with bearing assembly 11 through roller core supporting 10, the both ends of roller core supporting 10 are provided with mounting panel 6, roller core supporting 10 is fixed mutually through the side surface of mounting panel 6 with rubber roll main part 1, the surface coating of roller core 9 has isolation surface course 5, the surface of isolation surface course 5 cladding has insulating layer 4 respectively, elastic surface course 3 and the compound cladding of polyurethane 2, the compound cladding of polyurethane 2 is at the surface of elastic surface course 3, and the inside of the compound cladding of polyurethane 2 comprises polyurethane rubber surface course 14 and polyurethane fibre inlayer 15, polyurethane rubber surface course 14 wraps up the surface at polyurethane fibre inlayer 15.

Further, the surface of the mounting plate 6 is provided with a mounting hole 17, and the mounting plate 6 passes through the mounting hole 17 through the bolt fastener 7 to be connected with the rubber roller main body 1.

Further, a shaft hole 18 is provided at the center of the surface of the roll core support 10, and the shaft hole 18 is tightly fitted and fixed to the roll core 9.

Further, the surface of the roller core support 10 is provided with a fixing screw hole 16, and the roller core support 10 is connected with the rubber roller main body 1 through the fixing screw hole 16 by a screw.

Further, a fixed shaft tube 8 is installed inside the bearing assembly 11, and a rotating shaft 13 is installed inside the fixed shaft tube 8.

Further, the outer surface of the rotating shaft 13 is wrapped with a fixed cutting sleeve 12, and the surface of the fixed cutting sleeve 12 is provided with a groove.

The working principle is as follows: when in use, the roller core 9 is arranged inside the rubber roller main body 1, two ends of the roller core 9 are connected with the bearing assemblies 11 through the roller core support 10, the mounting plates 6 are arranged at two ends of the roller core support 10, the roller core support 10 is fixed with the side surface of the rubber roller main body 1 through the mounting plates 6, the roller core support 10 is embedded with the roller core 9 through the roller core support 10, and then the mounting plates 6 and the bolt screws are matched for fast assembly and fixation, so that the rubber roller has the advantages of tight and stable installation and convenient and fast disassembly and maintenance, the bearing assemblies 11 are used for reducing the rotational friction resistance at the roller core 9, the outer surface of the roller core 9 is wrapped with the isolation surface layer 5, the outer surface of the isolation surface layer 5 is respectively wrapped with the thermal insulation layer 4, the elastic surface layer 3 and the polyurethane composite cladding 2, the interior of the polyurethane composite cladding 2 is composed of the polyurethane rubber surface layer 14 and the polyurethane fiber inner layer 15, and the polyurethane rubber layer 14 is wrapped on the outer surface of the polyurethane fiber inner layer 15, the polyurethane composite cladding 2 has the advantages of high strength, high tearing resistance and the like, can bear high-pressure and high-humidity production environment, can greatly improve the borne line pressure, has the effect of isolating the external temperature by the heat insulating layer 4, effectively prevents the phenomenon of expansion with heat and contraction with cold of the inner roller core 9 assembly, and has good safety protection effect.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A polyurethane rubber roller molded by mould-free casting comprises a rubber roller main body (1) and is characterized in that a roller core (9) is arranged inside the rubber roller main body (1), two ends of the roller core (9) are connected with bearing assemblies (11) through roller core bearings (10), mounting plates (6) are arranged at two ends of the roller core bearings (10), the roller core bearings (10) are fixed with the side surface of the rubber roller main body (1) through the mounting plates (6), an isolation surface layer (5) wraps the outer surface of the roller core (9), a heat insulation layer (4), an elastic surface layer (3) and a polyurethane composite cladding layer (2) wrap the outer surface of the isolation surface layer (5) respectively, the polyurethane composite cladding layer (2) wraps the outer surface of the elastic surface layer (3), and the polyurethane composite cladding layer (2) is composed of a polyurethane rubber surface layer (14) and a polyurethane fiber inner layer (15), the polyurethane rubber surface layer (14) is wrapped on the outer surface of the polyurethane fiber inner layer (15).

2. The polyurethane rubber roller for mold-less casting molding according to claim 1, wherein: the surface of the mounting plate (6) is provided with a mounting hole (17), and the mounting plate (6) penetrates through the mounting hole (17) through a bolt fastener (7) to be connected with the rubber roller main body (1).

3. The polyurethane rubber roller for mold-less casting molding according to claim 1, wherein: the center of the surface of the roller core support (10) is provided with a shaft hole (18), and the shaft hole (18) is tightly embedded and fixed with the roller core (9).

4. The polyurethane rubber roller for mold-less casting molding according to claim 1, wherein: the surface of the roller core support (10) is provided with a fixing screw hole (16), and the roller core support (10) penetrates through the fixing screw hole (16) through a screw to be connected with the rubber roller main body (1).

5. The polyurethane rubber roller for mold-less casting molding according to claim 1, wherein: the bearing assembly (11) is internally provided with a fixed shaft tube (8), and the fixed shaft tube (8) is internally provided with a rotating shaft (13).

6. The polyurethane rubber roller for mold-less casting molding according to claim 5, wherein: the outer surface of the rotating shaft (13) is wrapped with a fixing clamping sleeve (12), and the surface of the fixing clamping sleeve (12) is provided with a groove.