CN219400398U

CN219400398U - Central lining plate mounting structure of lattice ball mill

Info

Publication number: CN219400398U
Application number: CN202320516887.4U
Authority: CN
Inventors: 严灵; 钟坚; 莫松松; 肖永红; 武田桢; 刘先; 罗杰斌
Original assignee: Hunan Nonferrous Metals Xintianling Wolfram Mine Co ltd
Current assignee: Hunan Nonferrous Metals Xintianling Wolfram Mine Co ltd
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-07-25
Anticipated expiration: 2033-03-16

Abstract

The utility model discloses a central lining board mounting structure of a lattice ball mill, which comprises the following components: the end cover is provided with a groove plate mounting hole; the ribs are arranged on the inner wall of the end cover, and grid plate mounting holes are formed in the top surfaces of the ribs; the inner ring groove plate and the outer ring groove plate are provided with groove plate positioning holes, and the middle part of the inner ring groove plate is provided with a central lining plate mounting hole; the inner ring grid plate and the outer ring grid plate are provided with grid plate positioning holes; a center plate. The beneficial effects are that: the mode of threading the bolts is adopted to position and install the inner ring groove plate and the outer ring groove plate, the inner ring grid plate and the outer ring grid plate are matched to be fixed on the ribs for positioning and installing, the central plate is finally fixed on the inner ring groove plate for positioning, the central plate can be prevented from being directly in contact with the ribs for installing, damaged areas can be independently replaced after abrasion occurs, and production cost is reduced.

Description

Central lining plate mounting structure of lattice ball mill

Technical Field

The utility model relates to the technical field of mineral processing equipment, in particular to a central lining plate mounting structure of a lattice ball mill.

Background

Ball mills are widely used as common production equipment in mineral processing in various mills. Ball mills are generally provided with a drum structure, which mainly utilizes the continuous rotation of the drum to drive the internal steel balls to crush ores. Wherein, the grid lining plate and the central lining plate are arranged at the discharge end of the grid ball mill, the grid lining plate is generally adopted for fixing the grid ball mill in China at present, the grid ball mill passes through the outer side of the discharge end cover of the ball mill through the bolt hole pairs of the rib plate arranged on the discharge end cover, therefore, the grid lining plate is locked and installed, and the central lining plate is directly fixed by bolts penetrating through the central lining plate and being fixed in threaded holes of the rib plates. However, with the adoption of the mounting structure, the internal steel ball is always impacted on the central lining plate in the working process of the ball mill. Because the central lining plate is directly connected with the rib plates through bolts, and the rib plates are welded and fixed with the end covers of the ball mill, the central lining plate can rotate in the barrel body and shake due to long-time impact of the steel balls. The bolt that leads to fixed center welt appears following and removes for the screw hole wearing and tearing of seting up on the gusset are serious, finally lead to screw hole internally mounted's bolt to drop, unable fixed center welt, make center welt drop, ball mill inside material is under the filterable state of check welt, directly derive through center welt, seriously influence mineral processing quality, need shut down and can repair, simultaneously because the gusset adopts direct welded mode to fix on the end cover, can't realize dismantling, can only repair on original bolt hole's basis, not only waste time and energy, still can't guarantee subsequent installation accuracy, manufacturing cost has been increased.

Disclosure of Invention

The utility model aims to solve the problems and provide a central lining plate mounting structure of a lattice ball mill, which solves the technical problems that the lining plate mounting structure in the prior art is unreasonable, and after long-time use, the central plate is often displaced under the impact of a steel ball, so that the central lining plate mounting hole is worn, and finally the central plate falls off to affect normal production. According to the technical scheme, the inner ring groove plate and the outer ring groove plate are positioned and installed in a bolt penetrating mode, meanwhile, the inner ring grid plate and the outer ring grid plate are matched to be fixed on ribs for positioning and installation, and finally, the central plate is fixed on the inner ring groove plate for positioning, so that the central plate can be prevented from being directly in contact with the ribs for installation, damaged areas can be independently replaced after abrasion occurs, and the technical effect of reducing production cost is achieved.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a central lining plate mounting structure of a lattice ball mill, which comprises the following components:

the end cover is arranged at one end of the ball mill roller and is provided with a groove plate mounting hole;

the ribs are arranged on the inner wall of the end cover, and grid plate mounting holes are formed in the top surfaces of the ribs;

the inner ring groove plate and the outer ring groove plate are arranged between the ribs in a staggered mode, groove plate positioning holes are formed in the inner ring groove plate and the outer ring groove plate, and a central lining plate mounting hole is formed in the middle of the inner ring groove plate;

the inner ring grid plate and the outer ring grid plate are provided with grid plate positioning holes;

and the central plate is arranged in the center of the inner ring grid plate, and a central plate positioning hole is formed in the edge of the central plate.

Preferably, the center plates are formed of three parts that are spliced to each other, and the three center plates are assembled into a disc-shaped structure.

Preferably, a protective flange is arranged on the outer side of the center plate positioning hole.

Preferably, the number of the ribs is twelve, the ribs are respectively arranged and installed on the inner wall of the end cover, and the outer ring groove plate, the inner ring grid plate and the outer ring grid plate correspond to the number of the ribs.

The beneficial effects are that:

the mode of threading the bolts is adopted to position and install the inner ring groove plate and the outer ring groove plate, the inner ring grid plate and the outer ring grid plate are matched to be fixed on the ribs for positioning and installing, the central plate is finally fixed on the inner ring groove plate for positioning, the central plate can be prevented from being directly in contact with the ribs for installing, damaged areas can be independently replaced after abrasion occurs, and production cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a view of an exploded construction of the present utility model;

FIG. 2 is a second exploded view of the present utility model;

fig. 3 is a structural view in a spliced state of the present utility model.

The reference numerals are explained as follows:

1. a center plate; 2. a protective flange; 3. a center plate positioning hole; 4. an inner ring grid plate; 5. an outer race groove plate; 6. a slot plate positioning hole; 7. ribs; 8. a material guiding opening; 9. an end cap; 10. grid plate mounting holes; 11. a slot plate mounting hole; 12. a central liner mounting hole; 13. an inner ring groove plate; 14. an outer ring grid plate; 15. and grid plate positioning holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

Referring to fig. 1 to 3, the present utility model provides a center lining plate mounting structure of a lattice ball mill, comprising:

the end cover 9 is arranged at one end of the ball mill roller, the bottom of the end cover 9 is of an opening structure, the opening protrudes out of the bottom surface of the end cover 9 to form a circular truncated cone-shaped structure with a hollow inside, when the ball mill roller is installed, the end cover 9 can be buckled and then installed on the ball mill roller, the bottom edge of the end cover extends to the outer wall of the ball mill roller, so that the sealing performance of the ball mill roller is kept, a discharging hole is formed in the middle of the end cover 9, raw materials after filtering and screening can be led out through the opening, a groove plate installation hole 11 is formed in the end cover 9, the groove plate installation hole 11 is arranged in a circumferential array structure, and the rib plate groove plate installation hole 11 and the rib plate adopt a staggered structure, when the ball mill roller is used, the inner ring groove plate 13 and the outer ring groove plate 5 can be placed between the rib bars 7 for positioning installation, and the inner space of the end cover 9 can be fully utilized;

the number of the ribs 7 is twelve, the ribs 7 are respectively arranged and installed on the inner wall of the end cover 9, the outer ring groove plates 5, the inner ring groove plates 13, the inner ring grid plates 4 and the outer ring grid plates 14 are corresponding to the number of the ribs 7, the ribs 7 are arranged on the inner wall of the end cover 9, grid plate installation holes 10 are formed in the top surface of the ribs 7, the ribs 7 are fixed on the inner wall of the end cover 9 in a welding mode, the overall stability of the end cover 9 can be enhanced, meanwhile, support is provided for the installation of the inner ring grid plates 4, the number of the grid plate installation holes 10 on each rib 7 is four, the ribs 7 are arranged at equal intervals, and the inner ring grid plates 4 and the outer ring grid plates 14 can be installed in a matching mode of bolts;

the inner ring groove plate 13 and the outer ring groove plate 5 are arranged between the ribs 7 in a staggered manner, groove plate positioning holes 6 are formed in the inner ring groove plate 13 and the outer ring groove plate 5, a central lining plate mounting hole 12 is formed in the middle of the inner ring groove plate 13, the inner ring groove plate 13 and the outer ring groove plate 5 can be mutually spliced to form a circular ring structure with a central reserved mounting through hole for the central plate 1 so as to be convenient for being mounted by matching with the central plate 1, meanwhile, a material guiding opening 8 is formed in one end, close to the center of the end cover 9, of the inner ring groove plate 13, so that materials subjected to screening treatment can be guided and conveyed, and finally guided out of the ball mill through the through hole in the end cover 9;

the inner ring grating plate 4 and the outer ring grating plate 14, grating plate positioning holes 15 are formed in the inner ring grating plate 4 and the outer ring grating plate 14, the inner ring grating plate 4 and the outer ring grating plate 14 are spliced and installed with each other to form a circular ring structure for sealing the inner ring grating plate 13 and the outer ring grating plate 5, sieve holes are formed in the surfaces of the inner ring grating plate 13 and the outer ring grating plate 5, crushed mineral aggregate can enter the inner ring grating plate 13 and the outer ring grating plate 5 through the sieve holes under the filtering of the inner ring grating plate 4 and the outer ring grating plate 14, and finally the mineral aggregate is guided out of the ball mill cylinder through guide holes in the inner ring grating plate 13 and the outer ring grating plate 5;

the central plate 1 is arranged in the center of the inner ring grid plate 4, the edge of the central plate 1 is provided with central plate 1 positioning holes, the central plate 1 positioning holes are arranged on the outer wall of the central plate 1 in a circumferential array, and the central plate 1 positioning holes correspond to the positions of the central lining plate mounting holes 12 and can be fixed by bolts;

during installation, the end cover 9 is fixed on the outer wall of the roller, then the inner ring groove plate 13 and the outer ring groove plate 5 are clamped into gaps between the ribs 7 to be positioned, so that the groove plate positioning holes 6 on the inner ring groove plate 13 and the outer ring groove plate 5 correspond to the groove plate mounting holes 11 on the end cover 9, after installation, the opposite penetrating bolts penetrate through the groove plate mounting holes 11 and the groove plate positioning holes 6 to be fixed, after fixation, the inner ring grid plate 4 and the outer ring grid plate 14 are respectively installed on the inner ring groove plate 13 and the outer ring groove plate 5 to be positioned, the grid plate positioning holes 15 correspond to the grid plate mounting holes 10, the inner ring grid plate 4 and the outer ring grid plate 14 are connected and fixed with the ribs 7 through bolts, finally the central plate 1 is clamped into the through holes in the middle of the inner ring grid plate 4, and the bolts are inserted into the central plate 1 positioning holes and the central liner plate mounting holes 12 to be fixed, and therefore the central plate 1 and the inner ring grid plate 13 are connected, and the whole structure is assembled.

In another embodiment, the central plate 1 is composed of three parts spliced with each other, the three central plates 1 are assembled into a disc-shaped structure, and the central plates 1 can be singly replaced after being damaged by adopting the installation method of the spliced structure, so that the maintenance cost is reduced.

In another embodiment, the outside of the positioning hole of the central plate 1 is provided with a protection flange 2, the structural design of the protection flange 2 is adopted, screws installed in the positioning hole of the central plate 1 can be protected through the heightened protection flange 2, when the central plate 1 rotates along with the cylinder body, the impact on the positioning hole of the central plate 1 and the internal mounting bolt is reduced, and the service life of the central plate 1 is prolonged.

The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. A central lining board mounting structure of a lattice ball mill is characterized in that: comprising the following steps:

the end cover (9) is arranged at one end of the ball mill roller, and a groove plate mounting hole (11) is formed in the end cover (9);

the ribs (7) are arranged on the inner wall of the end cover (9), and grid plate mounting holes (10) are formed in the top surfaces of the ribs (7);

the inner ring groove plate (13) and the outer ring groove plate (5) are arranged between the ribs (7) in a staggered mode, groove plate positioning holes (6) are formed in the inner ring groove plate (13) and the outer ring groove plate (5), and a center lining plate mounting hole (12) is formed in the middle of the inner ring groove plate (13);

an inner ring grating plate (4) and an outer ring grating plate (14), wherein grating plate positioning holes (15) are formed in the inner ring grating plate (4) and the outer ring grating plate (14);

the center plate (1) is arranged in the center of the inner ring grid plate (4), and a center plate positioning hole (3) is formed in the edge of the center plate.

2. The center lining plate mounting structure of a lattice ball mill according to claim 1, wherein: the central plate (1) is composed of three parts which are spliced with each other, and the three central plates (1) are assembled into a disc-shaped structure.

3. The center lining plate mounting structure of a lattice ball mill according to claim 1, wherein: the outer side of the center plate positioning hole (3) is provided with a protection flange (2).

4. The center lining plate mounting structure of a lattice ball mill according to claim 1, wherein: twelve ribs (7) are arranged and installed on the inner wall of the end cover (9), and the outer ring groove plate (5), the inner ring groove plate (13), the inner ring grid plate (4) and the outer ring grid plate (14) correspond to the ribs (7).