CN109663638B

CN109663638B - Spherical grinding mill

Info

Publication number: CN109663638B
Application number: CN201811589870.1A
Authority: CN
Inventors: 陈训华
Original assignee: Chongqing Nasimei Technology Development Co ltd
Current assignee: Chongqing Nasimei Technology Development Co ltd
Priority date: 2018-12-25
Filing date: 2018-12-25
Publication date: 2020-11-27
Anticipated expiration: 2038-12-25
Also published as: CN109663638A

Abstract

The invention discloses a spherical grinding mill, which comprises a grinding ball, a grinding shell and a power set, wherein the grinding ball is arranged on the grinding shell; the grinding balls are arranged on the power set; the power set comprises a first servo motor and a first gear; the first servo motor is connected with the first gear, the grinding ball is provided with an annular toothed belt, and the circle center of the grinding ball is located in the plane of the annular toothed belt; the first gears of the two groups of power groups are positioned below the grinding balls and meshed with the annular toothed belt; a spherical cavity is arranged in the grinding shell; the left side and the right side of the grinding ball are respectively positioned in the grinding ball; a gap is arranged between the surface of the grinding ball and the spherical cavity; the annular toothed belt is positioned between the two grinding shells; the upper parts of the two grinding shells are provided with feed pipes communicated with the spherical cavity inside the grinding shell, and the lower parts of the two grinding shells are provided with discharge pipes communicated with the spherical cavity inside the grinding shell. The invention can thoroughly grind the base material and ensure the uniform particle degree of the ground base material.

Description

Spherical grinding mill

Technical Field

The invention relates to the field of building materials, in particular to a spherical grinding mill.

Background

The construction industry has grown to a great extent, with the consequent increasing demand for construction-related fields, such as the field of waterproofing of buildings. Roofing, bathroom, outer wall and basement, so-called "four leaks" are the major importance in the field of building waterproofing. The polymer cement waterproof paint is a waterproof material commonly used in buildings, mainly comprises polymer emulsion, cement, pigment and filler and an auxiliary agent, combines the advantages of the rigidity of the cement and the flexibility of the polymer, and can adapt to the building waterproof requirements under various conditions by adjusting the proportion of the polymer emulsion to the cement.

In the process of producing the polymer cement waterproof coating, various raw materials are required to be mixed and stirred, and the mixed and stirred raw materials usually comprise a liquid material and a powder base material; the powder base needs to be milled before mixing to form a homogeneous base mixture. The existing milling equipment has the defects that the particles of the milled powder material are not consistent after the base material is milled, so that the base material is not uniformly mixed.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, it is an object of the present invention to provide a ball mill that can thoroughly mill a base material while ensuring a uniform particle size of the milled base material.

The purpose of the invention is realized by the following technical scheme:

the spherical grinding machine comprises a grinding ball, a grinding shell and a power set;

the grinding balls are arranged on the power set; the power set comprises a first servo motor and a first gear; the first servo motor is connected with the first gear, the grinding ball is provided with an annular toothed belt, and the circle center of the grinding ball is located in the plane of the annular toothed belt; the first gears of the two groups of power groups are positioned below the grinding balls and meshed with the annular toothed belt;

a spherical cavity is arranged in the grinding shell; the left side and the right side of the grinding ball are respectively positioned in the grinding ball; a gap is arranged between the surface of the grinding ball and the spherical cavity; the annular toothed belt is positioned between the two grinding shells;

the upper parts of the two grinding shells are provided with feed pipes communicated with the spherical cavity inside the grinding shell, and the lower parts of the two grinding shells are provided with discharge pipes communicated with the spherical cavity inside the grinding shell.

Further, the grinding ball comprises a connecting part and a grinding part; the two grinding parts are fixedly connected with two ends of the connecting part respectively, and the annular gear is sleeved on the connecting part;

the grinding part is a spherical bulge, and the diameter of the connecting part is smaller than that of the grinding part.

Further, an adjusting group is also included; the adjusting group comprises a second servo motor and a second gear; the adjusting group is arranged on the upper part of the grinding ball relative to the power group, and the second gear is meshed with the annular toothed belt.

Further, the power unit further comprises a mounting rack, and the power unit is mounted on the pressure adjusting unit; the pressure adjusting unit comprises a base plate, a bottom plate, a spring and a hydraulic rod; the base plate and the bottom plate are connected together in parallel through a spring, and the power unit is arranged on the upper surface of the base plate; the bottom plate is fixedly connected with the mounting frame through a hydraulic rod; the grinding shell is fixedly connected with the mounting frame.

Further, an air cylinder is arranged between the base plate and the bottom plate; the cylinder is installed on the upper surface of the bottom plate.

Further, the adjusting group is also mounted on the mounting frame by means of pressure adjusting units, the two pressure adjusting units being arranged opposite to each other.

Furthermore, baffles are arranged on two sides of the annular toothed belt of the grinding ball and located between the annular toothed belt and the grinding shell.

Furthermore, the surface of the grinding ball and the inner surface of the spherical cavity of the grinding shell are both provided with grinding teeth.

Further, the deepest part of the spherical cavity of the grinding shell is provided with a material containing cavity.

Furthermore, an extrusion ball is arranged in the material containing cavity.

The invention has the following advantages:

the power pack drives the grinding balls to rotate in the grinding shell, so that the grinding balls can grind the base material between the grinding balls and the grinding shell, the grinding area can be enlarged by adopting the grinding ball mode, the grinding efficiency is improved, the particle diameter of the base material after being ground is controlled by the gap between the grinding balls and the grinding shell, and the grinding effect can be improved by utilizing the spherical surfaces of the left side and the right side of the grinding balls.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.

Drawings

The drawings of the invention are illustrated as follows:

fig. 1 is a schematic view of a structure of a ball mill.

Fig. 2 is an enlarged schematic view of section a-a in fig. 1.

Fig. 3 is an enlarged schematic view of B in fig. 2.

In the figure: 11. a connecting portion; 111. an endless toothed belt; 12. a milling section; 2. grinding the shell; 21. a spherical cavity; 211. a material containing cavity; 23. a feed pipe; 24. a discharge pipe; 31. a first servo motor; 32. a first gear; 41. a second servo motor; 42. a second gear; 5. a mounting frame; 61. a substrate; 62. a base plate; 63. a spring; 64. a hydraulic lever; 7. a cylinder; 8. a baffle plate; 10. the ball is squeezed.

Detailed Description

The present invention will be further described with reference to the following examples.

Example 1: as shown in fig. 1 to 3:

the spherical grinding machine comprises a grinding ball, a grinding shell 2 and a power set;

the grinding balls are arranged on the power set; the power set comprises a first servo motor 31 and a first gear 32; the first servo motor 31 is connected with the first gear 32, the grinding ball is provided with an annular toothed belt 111, and the circle center of the grinding ball is positioned in the plane of the annular toothed belt 111; the first gears 32 of the two power groups are positioned below the grinding balls and are meshed with the annular toothed belt 111;

a spherical cavity 21 is arranged in the grinding shell 2; the left side and the right side of the grinding ball are respectively positioned in the grinding ball; a gap is arranged between the surface of the grinding ball and the spherical cavity 21; the endless toothed belt 111 is located between the two milling housings 2;

the upper parts of the two milling shells 2 are provided with a feeding pipe 23 communicated with the spherical cavity 21 in the milling shell 2, and the lower parts of the two milling shells are provided with a discharging pipe 24 communicated with the spherical cavity 21 in the milling shell 2.

Drive the ball of grinding through the power pack and rotate in grinding the casing to make the ball of grinding can grind the base-material that lies in the ball of grinding and grind between the casing 2 body, grind the area that can enlarge grinding through the mode that adopts the ball of grinding, improve the efficiency of grinding, the particle diameter of the base-material after being milled is controlled through the ball of grinding and the gap of grinding between the casing 2 body simultaneously, can improve the effect of grinding through the sphere that utilizes the ball left and right sides of grinding simultaneously.

In this embodiment, the grinding ball includes a connecting portion 11 and a grinding portion 12; the two grinding parts 12 are fixedly connected with two ends of the connecting part 11 respectively, and the ring gear is sleeved on the connecting part 11;

the grinding part 12 is a spherical bulge, and the diameter of the connecting part 11 is smaller than that of the grinding part 12.

By setting the grinding part 12 to be spherical with two different spheres and the diameter of the grinding part being larger than that of the connecting part 11, the area during grinding can be increased, and the grinding efficiency can be improved.

In this embodiment, the apparatus further comprises an adjustment group; the adjusting group comprises a second servo motor 41 and a second gear 42; the adjustment group is mounted on the upper part of the grinding ball relative to the power group and the second gear 42 is in engagement with the endless toothed belt 111.

Through set up the regulation group in the upper portion of ball of milling, both can improve the stability of ball of milling at the during operation, can adjust the pressure value of ball of milling and the spherical cavity 21 inner wall of the shell 2 inside of milling again to improve the efficiency of milling.

In the embodiment, the power unit further comprises a mounting frame 5, and the power unit is mounted on the pressure adjusting unit; the pressure adjusting unit comprises a base plate 61, a bottom plate 62, a spring 63 and a hydraulic rod 64; the base plate 61 and the bottom plate 62 are connected in parallel through a spring 63, and the power pack is arranged on the upper surface of the base plate 61; the bottom plate 62 is fixedly connected with the mounting frame 5 through a hydraulic rod 64; the grinding shell 2 is fixedly connected with the mounting frame 5.

By providing the pressure regulating unit, the distance of the grinding balls from the inner wall of the spherical cavity 21 inside the grinding shell 2 can be controlled, thereby controlling the grinding pressure to which the base material located between the inner walls of the spherical cavity 21 inside the grinding shell 2 is subjected.

In this embodiment, a cylinder 7 is further provided between the substrate 61 and the bottom plate 62; the cylinder 7 is mounted on the upper surface of the base plate 62.

The purpose of the cylinder 7 is to limit the position of the grinding balls and prevent the grinding balls from excessively squeezing the inner wall of the spherical cavity 21 inside the grinding shell 2.

In this embodiment, the adjustment group is also mounted on the mounting frame 5 by means of pressure adjustment units, the two pressure adjustment units being arranged opposite one another.

In this way the distance of the upper and lower parts of the milling balls from the inner wall of the spherical chamber 21 inside the milling housing 2 can be controlled, thereby controlling the discharge and feed rates during milling and thus the milling quality and milling efficiency.

In this embodiment, baffles 8 are provided on both sides of the annular toothed belt 111 of the grinding ball, and the baffles 8 are located between the annular toothed belt 111 and the grinding shell 2.

By providing the baffle 8, it is possible to prevent parts of the basic material from running through the gap between the grinding balls and the spherical chamber 21 inside the grinding shell 2 onto the endless toothed belt 111, which would cause rotational inaccuracies.

In this embodiment, the surface of the grinding ball and the inner surface of the spherical cavity 21 of the grinding shell 2 are provided with grinding teeth (not shown).

The grinding efficiency can be improved by the grinding teeth.

In this embodiment, the deepest part of the spherical cavity 21 of the milling housing 2 is provided with a receiving cavity 211.

By arranging the material containing cavity 211, the time length of the base material between the grinding ball and the gap of the spherical cavity 21 in the grinding shell 2 to be ground is approximately the same, and the smoothness of feeding can be improved.

In this embodiment, the material containing cavity 211 is provided with the extrusion ball 10 therein. The extrusion ball 10 also allows a certain degree of milling of the base material and prevents the base material from accumulating and adhering thereto.

The invention works in such a way that the height of the hydraulic rod 64 below the grinding ball is controlled according to the set particle size of discharged materials, so that the diameter of discharged particles is controlled, the distance between the cylinder 7 below the cylinder 7 above the grinding ball and the substrate 61 is set, and the allowable deviation value of the diameter of the discharged particles is controlled;

when the first servomotor 31 and the second servomotor 41 are activated, the milling balls start to rotate, whereupon the base material is fed into the feed pipe 23, and under the action of the milling balls, the majority of the base material moves obliquely towards the deepest part of the spherical chamber 21, and the milled base material is discharged from the discharge pipe 24 under the interaction of the milling balls and the milling shell 2.

When the base material milling speed needs to be controlled, the height of the hydraulic rods 64 above and below the milling ball can be adjusted intermittently to realize rapid milling, specifically, when the material is fed, the gap between the milling ball and the upper part of the spherical cavity 21 of the milling shell 2 is controlled to be enlarged, the gap is adjusted to be a normal gap during milling, and after the milling is finished, the gap between the milling ball and the lower part of the spherical cavity 21 of the milling shell 2 is controlled to be enlarged to accelerate the discharging.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.

Claims

1. A ball mill, characterized in that, the ball mill comprises a milling ball, a milling shell, a power unit;

the grinding ball is arranged on a power set, the power set comprises a first servo motor and a first gear, and the first servo motor is connected with the first gear;

the grinding ball comprises a connecting part and two grinding parts, the two grinding parts are fixedly connected with two ends of the connecting part respectively, the annular gear is sleeved on the connecting part, the grinding parts are spherical bulges, and the diameter of the connecting part is smaller than that of the grinding parts; the center of the ball of the grinding part is positioned on the axis of the annular toothed belt, and the first gears of the two groups of power groups are positioned below the grinding ball and meshed with the annular toothed belt;

the grinding shell is internally provided with a spherical cavity, and the two grinding parts are respectively positioned in the spherical cavities at the left side and the right side of the annular toothed belt; a gap is arranged between the surface of the grinding ball and the spherical cavity;

the upper parts of the two grinding shells are provided with feed pipes communicated with the spherical cavity in the grinding shell, and the lower parts of the two grinding shells are provided with discharge pipes communicated with the spherical cavity in the grinding shell;

the power set is arranged on the pressure adjusting unit; the pressure adjusting unit comprises a base plate, a bottom plate, a spring and a hydraulic rod; the base plate and the bottom plate are connected together in parallel through a spring, and the power unit is arranged on the upper surface of the base plate; the bottom plate is fixedly connected with the mounting frame through a hydraulic rod; the grinding shell is fixedly connected with the mounting frame; an air cylinder is arranged between the base plate and the bottom plate; the cylinder is installed on the upper surface of the bottom plate.

2. The ball mill as set forth in claim 1, further comprising an adjustment group; the adjusting group comprises a second servo motor and a second gear; the adjusting group is arranged on the upper part of the grinding ball relative to the power group, and the second gear is meshed with the annular toothed belt.

3. A ball mill according to claim 1, characterized in that the adjustment group is also mounted on the mounting frame by means of a pressure adjustment unit, the two pressure adjustment units being arranged opposite each other.

4. A ball mill according to claim 1, characterised in that the milling balls are provided with baffles on both sides of the endless toothed belt, which baffles are located between the endless toothed belt and the milling shell.

5. A ball mill according to any of claims 1-4, wherein the surface of the milling ball and the inner surface of the spherical cavity of the milling housing are provided with milling teeth.

6. A ball mill according to any of claims 1-4, characterized in that the deepest of the spherical cavities of the mill shell is provided with a material receiving chamber.

7. A ball mill according to claim 6, wherein the container chamber is provided with squeeze balls.