CN215694510U

CN215694510U - Ball mill

Info

Publication number: CN215694510U
Application number: CN202121416069.4U
Authority: CN
Inventors: 金伟耿; 姚震
Original assignee: Hangzhou Benjing New Material Technology Co ltd
Current assignee: Hangzhou Benjing New Material Technology Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-02-01
Anticipated expiration: 2031-06-24

Abstract

The utility model provides a ball mill, which relates to the technical field of grinding processing and comprises an outer cylinder and an inner lining cylinder, wherein a lifting assembly is arranged in the inner lining cylinder, the lifting assembly comprises a lifting plate capable of sliding towards the inner direction of the inner lining cylinder, and a driving mechanism is arranged in the outer cylinder.

Description

Ball mill

Technical Field

The utility model relates to the technical field of grinding processing, in particular to a ball mill.

Background

The ball mill is the key equipment for performing re-crushing or stripping work on the materials after the materials are crushed. The ball mill is an important component device in the process of preparing graphene by a ball milling liquid phase stripping method, the existing ball mill generally lifts the inner steel ball by utilizing centrifugal force during rotation, and the materials are crushed by the interaction between the steel ball and the materials. But centrifugal force's lifting power is limited, before the steel ball has not reached the top, will fall because of the action of gravity, can't reach the biggest speed of grinding altogether, and the solution to this problem is for setting up the arch at the lining of ball mill at present stage to the realization can drive the steel ball and rise higher height, but, because ball mill friction strength is great, the arch of setting can be by the comparatively slick and sly of wearing and tearing after long-time work, makes the effect reduce, to above-mentioned defect, proposed this application.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a ball mill, which solves the problems of low rising height and poor grinding effect of a grinding body of the ball mill in the prior art.

In order to solve the problems, the utility model provides a ball mill which comprises an outer cylinder and a lining cylinder, wherein a lifting assembly is arranged in the lining cylinder, the lifting assembly comprises a lifting plate capable of sliding towards the inner direction of the lining cylinder, and a driving mechanism is arranged in the outer cylinder.

According to an embodiment of the present invention, the driving mechanism includes a protrusion portion disposed on an inner wall of the outer cylinder, and an outer end of the lifting plate contacts the inner wall of the outer cylinder.

According to an embodiment of the utility model, the lifting assembly further comprises a mounting hole arranged in the lining cylinder, the lifting plate is mounted in the mounting hole, a groove is arranged in a side wall of the mounting hole, a stress plate connected with the lifting plate is arranged in the groove, and an inner spring for pushing the stress plate outwards is arranged on one side of the stress plate.

According to an embodiment of the present invention, the driving mechanism further includes a recess portion provided in an inner wall of the outer cylinder.

According to an embodiment of the present invention, the lifting plate is provided with raised grains on one side facing the rotation direction.

According to an embodiment of the utility model, the lifting plate comprises an inner plate and an outer plate, the raised grains being provided on the inner plate, the inner plate and the outer plate being detachably mounted.

According to an embodiment of the utility model, a rolling wheel is arranged at one end of the lifting plate, which is in contact with the inner wall of the outer cylinder.

According to an embodiment of the utility model, the lifting plate end is located towards the liner cylinder centre.

According to an embodiment of the present invention, the lifting plate is disposed obliquely to the inner wall of the lining cylinder, and an included angle between an end of the lifting plate and a rotation direction of the lining cylinder is an acute angle.

According to one embodiment of the utility model, the lifting assembly is provided with 8 groups along the circumference of the liner cylinder.

The lifting plate and the bulge part are arranged in a sliding manner, so that the lifting plate extends inwards when the grinding body rises, the grinding body is prevented from falling downwards, the grinding body is easier to rise to a high point, the rising height and the rising quantity of the grinding body are improved, and a better grinding effect is achieved;

through the setting of depressed part, make the lifting plate shrink one end distance at the descending stage to reduce the lifting plate and receive frictional area, prolong the life of lifting plate.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the overall structure of an outer shell and an inner liner shell of a ball mill;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of a recess structure;

FIG. 4 is a schematic view of the inclined arrangement of the lift plate;

fig. 5 is a side view of fig. 1.

Detailed Description

The following description is only for the purpose of disclosing the utility model so as to enable a person skilled in the art to practice the utility model. The embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The principles of the utility model, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other arrangements without departing from the spirit and scope of the utility model.

[ example 1 ]

The utility model provides a ball mill, includes outer barrel 3 and inside lining barrel 1, and inside lining barrel 1 sets up in outer barrel 3, is equipped with feed inlet and discharge gate on the inside lining barrel 1, is provided with lifting unit 4 in the inside lining barrel 1, and lifting unit 4 is equipped with actuating mechanism in the outer barrel 3 including can be to the gliding lifting plate 6 of the inside direction of inside lining barrel 1, and actuating mechanism is used for driving the inside and outside slip of lifting plate 6.

The driving mechanism comprises a convex part 2 and a concave part 5 which are arranged on the inner wall of the outer cylinder 3, and the outer end of the lifting plate 6 is contacted with the inner wall of the outer cylinder 3.

Lifting unit 4 is still including setting up mounting hole 9 in inside lining barrel 1, lifting plate 6 is installed in mounting hole 9, be equipped with the recess in the mounting hole 9 lateral wall, be equipped with the atress board 13 of being connected with lifting plate 6 in the recess, atress board 13 one side is equipped with the inner spring 8 that is used for outwards releasing atress board 13, inner spring 8 is compression state, when lifting plate 6 contacts with bellying 2, lifting plate 6 receives 2 roof pressure effect of bellying and stretches out in inside lining barrel 1, thereby drive the rinding body steel ball that can be better rises, improve rinding body rising height and the ascending quantity of rinding body, improve grinding efficiency.

When the lifting plate 6 is contacted with the concave part 5, the inner spring 8 pushes the lifting plate 6 outwards, so that the length of the lifting plate 6 positioned in the lining cylinder 1 is shortened, the friction area is reduced, and the service life of the lifting plate 6 is prolonged.

The lifting plate 6 is provided with raised grains 7 towards one side of the rotating direction, and the friction force between the lifting plate 6 and the grinding body is further increased by the arrangement of the raised grains 7, so that the grinding body is more easily driven to rise.

The lifting plate 6 comprises an inner plate 61 and an outer plate 62, the raised grains 7 are arranged on the inner plate 61, the inner plate 61 and the outer plate 62 are detachably mounted, and when the abrasion degree of the inner plate 61 is higher, the inner plate 61 can be independently replaced, so that the grinding effect is conveniently and quickly prevented from being influenced by the abrasion degree of the inner plate 61.

The end of the lifting plate 6, which is contacted with the inner wall of the outer cylinder 3, is provided with a rolling wheel 12.

Preferably, the end of the lifting plate 6 is arranged towards the center of the lining cylinder 1, i.e. the tangent of the intersection point of the central line of the lifting plate 6 and the lining cylinder is perpendicular to each other, and the perpendicular arrangement makes it easier for the lifting plate 6 to lift a larger number of grinding bodies. .

The lifting plate 6 is inclined to the inner wall of the lining cylinder 1, the end part of the lifting plate 6 faces the inner wall of the lining cylinder 1, an included angle between the rotation directions of the lining cylinder 1 is an acute angle, and the inclined lifting plate 6 can drive the grinding body to ascend to a higher height more easily.

The lifting assembly 4 is provided with 8 groups along the circumference of the lining cylinder 1.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are given by way of example only and are not limiting of the utility model. The objects of the utility model have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the examples, and the embodiments of the present invention may be subject to any changes or modifications without departing from the principles.

Claims

1. A ball mill characterized in that: including outer barrel (3) and inside lining barrel (1), be provided with lifting unit (4) in inside lining barrel (1), lifting unit (4) including can to inside direction gliding lifting plate (6) of inside lining barrel (1), be equipped with actuating mechanism in outer barrel (3).

2. A ball mill according to claim 1, wherein: the driving mechanism comprises a protruding part (2) arranged on the inner wall of the outer cylinder body (3), and the outer end of the lifting plate (6) is in contact with the inner wall of the outer cylinder body (3).

3. A ball mill according to claim 2, wherein: the lifting assembly (4) further comprises a mounting hole (9) formed in the lining cylinder body (1), the lifting plate (6) is mounted in the mounting hole (9), a groove is formed in the side wall of the mounting hole (9), a stress plate (13) connected with the lifting plate (6) is arranged in the groove, and an inner spring (8) used for pushing the stress plate (13) outwards is arranged on one side of the stress plate (13).

4. A ball mill according to claim 3, wherein: the driving mechanism further comprises a sunken part (5) arranged in the inner wall of the outer cylinder body (3).

5. A ball mill according to any one of claims 1 to 4, wherein: the lifting plate (6) is provided with raised grains (7) towards one side of the rotating direction.

6. A ball mill according to claim 5, wherein: the lifting plate (6) comprises an inner plate (61) and an outer plate (62), the raised grains (7) are arranged on the inner plate (61), and the inner plate (61) and the outer plate (62) are detachably mounted.

7. A ball mill according to any one of claims 1 to 4, 6, wherein: and one end of the lifting plate (6) which is in contact with the inner wall of the outer cylinder (3) is provided with a rolling wheel (12).

8. A ball mill according to claim 7, wherein: the end of the lifting plate (6) is arranged towards the center of the lining cylinder (1).

9. A ball mill according to claim 7, wherein: the lifting plate (6) is inclined to the inner wall of the lining cylinder (1), and the end part of the lifting plate (6) faces towards an included angle between the rotating directions of the lining cylinder (1) to form an acute angle.

10. A ball mill according to claim 8 or 9, wherein: the lifting assembly (4) is provided with 8 groups along the circumferential direction of the lining cylinder body (1).