CN216149893U

CN216149893U - Improved high manganese steel grinding roller structure

Info

Publication number: CN216149893U
Application number: CN202122143587.XU
Authority: CN
Inventors: 贺娟
Original assignee: Yunnan Jindong Wear Resistant Material Co ltd
Current assignee: Yunnan Jindong Wear Resistant Material Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-04-01
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses an improved high manganese steel grinding roller structure in the technical field of high manganese steel grinding rollers, which comprises a base body, wherein ceramic layers are embedded and assembled at the top and the bottom of the inner side of the outer side wall of the base body, a roller shaft is arranged on the inner side wall of the base body, pressure-resistant layers are arranged at the top and the bottom of the roller shaft, a hollow groove is formed in the center of the inner cavity of the roller shaft, grinding rollers are arranged at the left side and the right side of the hollow groove, clamping components are arranged between the grinding rollers and the hollow groove, each clamping component comprises a containing groove, the inner cavity of the roller shaft is uniformly provided with containing grooves along the circumferential direction, limiting columns clamped and assembled with the grinding rollers are arranged in the containing grooves in a sliding way, supporting springs are fixedly connected to the end parts of the limiting columns, the grinding rollers can be conveniently replaced, the wear resistance and the strength performance of the grinding rollers are greatly improved, and the service life of the grinding rollers is prolonged, the number of times of replacing the grinding roller is reduced, and the production efficiency is improved.

Description

Improved high manganese steel grinding roller structure

Technical Field

The utility model relates to the technical field of high manganese steel grinding rollers, in particular to an improved high manganese steel grinding roller structure.

Background

The high manganese steel is a wear-resistant steel material specially used for heavy industry, the application fields include quarrying, mining, excavating, coal industry, casting, steel industry and the like, the grinding roller is a main grinding part of a roller crusher, not only needs enough strength, but also needs enough strength and toughness, particularly, the wear resistance directly influences the powder making efficiency, the coal dust quality, the grinding roller consumption and the production cost, under the grinding condition, any grinding roller material can be seriously worn in the past, when the wear reaches a certain limit, the outer circle of the grinding roller is too small to be scrapped, at present, the grinding roller preparation process, such as composite casting, centrifugal casting, surfacing welding and the like, is vigorously researched at home and abroad, and the aim is to manufacture a new composite grinding roller, so that the base body and the working surface of the grinding roller can meet the requirements of impact resistance, wear resistance and the like during grinding, and the existing high manganese steel grinding roller structure, the grinding roller is brittle due to too high strength of the grinding roller, the grinding roller is prone to cracking, the service life of the grinding roller is affected, the grinding roller is difficult to replace due to high damage degree, the working efficiency of the grinding roller is low, the abrasion resistance of the grinding roller is poor, the using effect is poor, the abrasion-resistant requirement of the grinding roller cannot be met, the strength and the abrasion resistance of the grinding roller are reduced, and therefore an improved high manganese steel grinding roller structure is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an improved high manganese steel grinding roller structure to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an improved high manganese steel grinding roller structure comprises a base body, ceramic layers are embedded and assembled at the top and the bottom of the inner side of the outer side wall of the base body, a roller shaft is arranged on the inner side wall of the base body, pressure-resistant layers are arranged at the top and the bottom of the roller shaft, a hollow groove is formed in the center of an inner cavity of the roller shaft, grinding rollers are arranged on the left side and the right side of the hollow groove, clamping assemblies are arranged between the grinding rollers and the hollow groove, each clamping assembly comprises a containing groove, the inner cavity of the roller shaft is uniformly provided with the containing groove along the circumferential direction, a limiting post which is assembled with the grinding rollers in a clamping manner is slidably assembled in the containing groove, the end part of the limiting post is fixedly connected with a supporting spring, the other end of the supporting spring is fixed on the inner side wall of the containing groove, the outer wall of the grinding roller is provided with the limiting groove, the outer side wall of the pressure-resistant layer is provided with a heat-insulating layer, and the outer side wall of the heat-resistant layer is provided with a wear-resistant layer, and a protective layer is arranged on the outer side wall of the wear-resistant layer.

Preferably, the outer end of spacing post extends out the holding tank, just the outer end of spacing post is the hemisphere, just the spacing groove is the arc wall with spacing end of post looks adaptation.

Preferably, the upper surface of wearing layer evenly is provided with the abrasive grain, wearing layer and resistance to compression layer are high manganese steel.

Preferably, the clamping assembly is of six groups of same structures, and the width of the supporting spring is the same as that of the accommodating groove.

Preferably, the through holes matched with the grinding rollers are formed in the left side and the right side of the base body and the roller shaft.

Preferably, the limiting groove is arranged along the circumferential direction of the grinding roller and corresponds to the limiting column.

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

the utility model has reasonable structural design, the grinding roller is inserted into the roller shaft by force, the grinding roller is promoted to overcome the supporting force of the supporting spring to extrude the limiting column to promote the limiting column to retract into the containing groove, the limiting column is clamped in the limiting groove, the positioning and installation of the grinding roller in the hollow groove can be completed, the grinding roller is convenient to replace, the working efficiency of the grinding roller is improved, the ceramic layer is embedded into the base body, the ceramic layer and the high manganese steel grinding roller realize the perfect combination of manganese steel and ceramic, the wear resistance of the grinding roller is greatly improved, the service life of the grinding roller is prolonged, the frequency of replacing the grinding roller is reduced, the production efficiency is improved, the compression resistant layer and the wear resistant layer on the roller shaft are both made of high manganese steel, the grinding performance of the grinding roller is greatly enhanced, the thermal insulation layer can prevent the influence of huge heat generated in the processing process on the grinding roller, and the wear resistance of the wear resistant layer is enhanced, thereby make the intensity nature and the wearability effect of grinding roller better, can make the grinding roller have good resistance to compression, heat-resisting, wear-resisting, corrosion resisting property through resistance to compression layer, insulating layer, wearing layer and inoxidizing coating, make and be connected closely between grinding roller and the roller, can increase the stability of grinding roller, improve the work efficiency and the practicality of grinding roller.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic cross-sectional view of the roll shaft of the present invention;

fig. 4 is a schematic cross-sectional structure view of the compression-resistant layer of the present invention.

In the figure: 1. a substrate; 2. a ceramic layer; 3. grinding the roller; 4. a pressure resistant layer; 5. a roll shaft; 6. a clamping assembly; 7. a hollow groove; 8. accommodating grooves; 9. a support spring; 10. a limiting groove; 11. a limiting column; 12. a thermal insulation layer; 13. a wear layer; 14. and (4) a protective layer.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: an improved high manganese steel grinding roller structure comprises a base body 1, ceramic layers 2 are embedded and assembled at the top and the bottom of the inner side of the outer side wall of the base body 1, a roller shaft 5 is arranged on the inner side wall of the base body 1, pressure-resistant layers 4 are arranged at the top and the bottom of the roller shaft 5, a hollow groove 7 is formed in the center of the inner cavity of the roller shaft 5, grinding rollers 3 are arranged at the left side and the right side of the hollow groove 7, clamping assemblies 6 are arranged between the grinding rollers 3 and the hollow groove 7, each clamping assembly 6 comprises a containing groove 8, the inner cavity of the roller shaft 5 is uniformly provided with the containing groove 8 along the circumferential direction, limiting columns 11 assembled with the grinding rollers 3 in a sliding mode are arranged in the containing grooves 8, supporting springs 9 are fixedly connected to the end portions of the limiting columns 11, the other ends of the supporting springs 9 are fixed on the inner side wall of the containing grooves 8, limiting grooves 10 are formed in the outer wall of the grinding rollers 3, and heat-insulating layers 12 are arranged on the outer side wall of the pressure-resistant layers 4, the outer side wall of the heat insulation layer 12 is provided with a wear-resistant layer 13, and the outer side wall of the wear-resistant layer 13 is provided with a protective layer 14.

Referring to fig. 3, the outer end of the limiting column 11 extends out of the accommodating groove 8, the outer end of the limiting column 11 is hemispherical, and the limiting groove 10 is an arc-shaped groove adapted to the end of the limiting column 11;

referring to fig. 4, the upper surface of the wear-resistant layer 13 is uniformly provided with grinding lines, and the wear-resistant layer 13 and the compression-resistant layer 4 are both made of high manganese steel;

referring to fig. 3, the clamping assembly 6 has six groups of same structures, and the width of the supporting spring 9 is the same as that of the accommodating groove 8;

referring to fig. 2, through holes matched with the grinding roller 3 are formed on the left side and the right side of the base body 1 and the roller shaft 5;

referring to fig. 3, the limiting groove 10 is disposed along the circumferential direction of the grinding roller 3, and the limiting groove 10 corresponds to the limiting post 11.

The working principle is as follows: when in use, the grinding roller 3 is inserted into the roller shaft 5 by force, the grinding roller 3 is promoted to overcome the supporting force of the supporting spring 9 to extrude the limiting column 11 to cause the limiting column 11 to retract into the accommodating groove 8, the limiting column 11 is clamped in the limiting groove 10, the positioning and installation of the grinding roller 3 in the hollow groove 7 can be completed, the grinding roller 3 is convenient to replace, the working efficiency of the grinding roller 3 is improved, the ceramic layer 2 is embedded into the base body 1, the ceramic layer 2 and the high manganese steel grinding roller 3 realize the perfect combination of manganese steel and ceramic, the wear resistance of the grinding roller 3 is greatly improved, the service life of the grinding roller 3 is prolonged, the times for replacing the grinding roller 3 are reduced, the production efficiency is improved, the compression layer 4 and the wear layer 13 on the roller shaft 5 are both made of high manganese steel, the grinding performance of the grinding roller 3 can be greatly enhanced, and the influence of huge heat generated in the processing process can be prevented through the thermal insulation layer 12, make wearing layer 13 strengthen its wearability to make grinding roller 3's intensity nature and wearability effect better, can make grinding roller 3 have good resistance to compression, heat-resisting, wear-resisting, corrosion resisting properties through compressive layer 4, insulating layer 12, wearing layer 13 and inoxidizing coating 14, make and be connected closely between grinding roller 3 and the roller 5, can increase grinding roller 3's stability, improve grinding roller 3's work efficiency and practicality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an improved generation high manganese steel grinding roller structure, includes base member (1), its characterized in that: the grinding roller is characterized in that ceramic layers (2) are embedded and assembled at the top and the bottom of the inner side of the outer side wall of the base body (1), a roller shaft (5) is arranged on the inner side wall of the base body (1), pressure-resistant layers (4) are arranged at the top and the bottom of the roller shaft (5), a hollow groove (7) is formed in the center of the inner cavity of the roller shaft (5), grinding rollers (3) are arranged on the left side and the right side of the hollow groove (7), clamping assemblies (6) are arranged between the grinding rollers (3) and the hollow groove (7), each clamping assembly (6) comprises an accommodating groove (8), the accommodating grooves (8) are uniformly formed in the inner cavity of the roller shaft (5) along the circumferential direction, limiting columns (11) assembled with the grinding rollers (3) in a clamping manner are assembled in the accommodating grooves (8) in a sliding manner, supporting springs (9) are fixedly connected to the end portions of the limiting columns (11), and the other ends of the supporting springs (9) are fixed on the inner side wall of the accommodating grooves (8), the grinding roller is characterized in that a limiting groove (10) is formed in the outer wall of the grinding roller (3), a heat insulation layer (12) is arranged on the outer side wall of the pressure resistant layer (4), a wear-resistant layer (13) is arranged on the outer side wall of the heat insulation layer (12), and a protective layer (14) is arranged on the outer side wall of the wear-resistant layer (13).

2. An improved high manganese steel grinding roll structure according to claim 1, wherein: the outer end of spacing post (11) extends holding tank (8), just the outer end of spacing post (11) is the hemisphere, just spacing groove (10) are the arc wall with spacing post (11) tip looks adaptation.

3. An improved high manganese steel grinding roll structure according to claim 1, wherein: the upper surface of the wear-resistant layer (13) is uniformly provided with grinding lines, and the wear-resistant layer (13) and the pressure-resistant layer (4) are both made of high manganese steel.

4. An improved high manganese steel grinding roll structure according to claim 1, wherein: the clamping assembly (6) is of a six-group same structure, and the width of the supporting spring (9) is the same as that of the accommodating groove (8).

5. An improved high manganese steel grinding roll structure according to claim 1, wherein: the left and right sides of the base body (1) and the roller shaft (5) are provided with through holes matched with the grinding rollers (3).

6. An improved high manganese steel grinding roll structure according to claim 1, wherein: the limiting groove (10) is arranged along the circumferential direction of the grinding roller (3), and the limiting groove (10) corresponds to the limiting column (11).