CN111135913A

CN111135913A - Ball mill and using method thereof

Info

Publication number: CN111135913A
Application number: CN202010051659.5A
Authority: CN
Inventors: 史俊阳; 焦方涛
Original assignee: Shaanxi Sanyuan Juncheng Machinery Equipment Co ltd
Current assignee: Shaanxi Sanyuan Juncheng Machinery Equipment Co ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-05-12

Abstract

The invention discloses a ball mill, which comprises a frame, wherein a charging barrel is erected on the frame, and a plurality of grinding balls are placed in the charging barrel; the side wall of the charging barrel is provided with a material port, a stirrer matched with the inner wall of the charging barrel is coaxially arranged in the charging barrel, a left short shaft and a right short shaft penetrating through two barrel bottoms of the charging barrel are respectively arranged at the left end and the right end of the stirrer, a left shaft sleeve fixedly connected with the left barrel bottom of the charging barrel is sleeved on the left short shaft, and a right shaft sleeve fixedly connected with the right barrel bottom of the charging barrel is sleeved on the right short shaft; the left side of the rack is provided with a left driving assembly for driving the left short shaft to rotate, and the right side of the rack is provided with a right driving assembly for driving the right shaft sleeve to rotate. The invention also discloses a using method of the ball mill. The stirrer and the charging barrel of the ball mill are respectively provided with the independent rotary driving devices, so that automatic discharging can be realized, and the ball mill has the advantages of safe operation, high grinding efficiency, no material pollution and the like.

Description

Ball mill and using method thereof

Technical Field

The invention relates to the field of grinding equipment, in particular to a ball mill and a using method thereof.

Background

Traditional food level ball mill is artifical after the grinding and is opened feed cylinder lid, stirs grinding ball to material mouth with the hand, filters the ejection of compact with grid tray, and this kind of ejection of compact mode inefficiency just is unsafe. There is also a problem of secondary pollution when the ground material is food.

Therefore, how to realize the automatic discharging and the complete discharging of the ball mill is a technical problem which needs to be solved by technical personnel in the field at present.

Disclosure of Invention

In order to solve the above technical problems, the main objects of the present invention are: on the one hand, the ball mill is provided, and the technical problems that the ball mill cannot automatically discharge and cannot completely discharge in the prior art are solved. Another aspect provides a method of using a ball mill.

In order to achieve the above object, the present invention adopts the following technical solutions.

The ball mill comprises a frame, wherein a charging barrel is erected on the frame, and a plurality of grinding balls are placed in the charging barrel; the side wall of the charging barrel is provided with a material port, a stirrer matched with the inner wall of the charging barrel is coaxially arranged in the charging barrel, a left short shaft and a right short shaft penetrating through two barrel bottoms of the charging barrel are respectively arranged at the left end and the right end of the stirrer, a left shaft sleeve fixedly connected with the left barrel bottom of the charging barrel is sleeved on the left short shaft, and a right shaft sleeve fixedly connected with the right barrel bottom of the charging barrel is sleeved on the right short shaft; the left side of the rack is provided with a left driving assembly for driving the left short shaft to rotate, and the right side of the rack is provided with a right driving assembly for driving the right shaft sleeve to rotate.

Furthermore, the left driving assembly comprises a left speed reducing motor, a left driving gear is arranged on an output shaft of the left speed reducing motor, and the left short shaft penetrates through the left shaft sleeve to be connected with a left driven gear meshed with the left driving gear; the right driving assembly comprises a right speed reducing motor, a right driving gear is arranged on an output shaft of the right speed reducing motor, and a right driven gear meshed with the right driving gear is connected to the right shaft sleeve.

Furthermore, a left bearing seat is arranged on the left side of the rack, and a left bearing is arranged between the left bearing seat and the left shaft sleeve; the right side of the frame is provided with a right bearing seat, and a right bearing is arranged between the right bearing seat and the right shaft sleeve.

Further, the plurality of grinding balls are not all equal in diameter.

Furthermore, a grating plate is arranged in the charging barrel and close to the outlet of the material outlet, and a gap of the grating plate is smaller than the diameter of the grinding ball.

Further, the stirrer is a frame stirrer.

Furthermore, the material opening is rectangular, the left side and the right side of the large opening end of the rectangular hopper are respectively connected with the left side and the right side of the charging barrel, and the front side and the rear side of the large opening end of the rectangular hopper are connected with the side wall of the charging barrel.

(II) a using method of the ball mill, based on the ball mill, comprises the following steps:

step 1, feeding: starting the right driving assembly, rotating the material port to an upward position, then closing the right driving assembly, and loading the material to be processed into the charging barrel through the material port;

step 2, grinding: starting the left driving component, driving the stirrer to rotate by the left driving component, and stirring the grinding balls by the stirrer to grind materials;

step 3, discharging: and closing the left driving assembly, starting the right driving assembly to enable the material port to face downwards, and discharging the ground material from the material port.

Further, in step 3, when the material port faces downwards, the grating plate blocks the grinding balls, and the ground material is discharged through gaps of the grating plate.

Compared with the ball mill in the prior art, the ball mill in the technical scheme of the invention has the advantages that the stirrer and the charging barrel are respectively provided with the independent rotary driving devices, and the automatic discharging can be realized. Has the advantages of safe operation, high grinding efficiency, no material pollution and the like.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic perspective view of one embodiment of a ball mill of the present invention;

FIG. 2 is a front sectional view of one embodiment of the ball mill of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is an enlarged view of a portion B of FIG. 2;

FIG. 5 is a perspective view of one embodiment of a grid plate of the ball mill of the present invention;

FIG. 6 is a perspective view of an embodiment of the agitator of the ball mill of the present invention.

In the above figures:

1, a frame; 2, a charging barrel; 3 grinding balls; 4, material port; 5, a stirrer; 501 left minor axis; 502 right minor axis; 6, a left shaft sleeve; 7, a right shaft sleeve; 8, a left speed reducing motor; 9 a left drive gear; 10 left driven gear; 11 a right reduction motor; 12 a right drive gear; 13 a right driven gear; 14, a left bearing seat; 15 left bearing; 16 a right bearing seat; 17 a right bearing; 18 grating plates.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of ways different from those described herein and similar generalizations can be made by those skilled in the art without departing from the spirit of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

Referring to fig. 1 to 4, a ball mill comprises a frame 1, wherein a charging barrel 2 is erected on the frame 1, and a plurality of grinding balls 3 are placed in the charging barrel 2; the lateral wall of feed cylinder 2 is provided with material mouth 4, coaxially in the feed cylinder 2 be provided with agitator 5 that 2 inner walls of feed cylinder match, both ends are provided with respectively about agitator 5 and wear out the left minor axis 501 and the right minor axis 502 at two bobbin bottoms of feed cylinder 2, the cover is equipped with on the minor axis 501 in a left side with 2 left side bobbin bottoms fixed connection's of feed cylinder left side axle sleeve 6, the cover is equipped with on the minor axis 502 in a right side with 2 right side bobbin bottoms fixed connection's of feed cylinder right side axle sleeve 7, 1 left side of frame is provided with the drive the rotatory left drive assembly of minor axis 501 in a left side, 1 right side of frame is provided with the drive the rotatory right drive assembly of right side.

The traditional ball mill has the problem of unfavorable discharging, in the above embodiment, the charging barrel 2 is erected on the frame 1, the stirrer 5 is coaxially arranged in the charging barrel 2, and the plurality of grinding balls 3 are also placed in the charging barrel 2. A left driving component is arranged on the left side of the frame 1, and a right driving component is arranged on the right side of the frame. Left drive assembly drive agitator 5 is rotatory to be used for grinding the material, and right drive assembly drive feed cylinder 2 is rotatory to be used for the ejection of compact. The feeding barrel 2 and the stirrer 5 are respectively provided with an independent driving component, so that the discharging is greatly facilitated. In this embodiment, a left driving assembly for driving the stirrer 5 to rotate is disposed on the left side of the frame 1 for grinding the material. And a right driving component for driving the charging barrel 2 to rotate is arranged on the right side of the frame 1 for discharging. In practice, the interchange can be adjusted according to the actual situation.

Further, referring to fig. 2 and 3, the left driving assembly includes a left reduction motor 8, a left driving gear 9 is disposed on an output shaft of the left reduction motor 8, and the left short shaft 501 penetrates through the left shaft sleeve 6 and is connected with a left driven gear 10 engaged with the left driving gear 9; referring to fig. 2 and 4, the right driving assembly includes a right gear motor 11, a right driving gear 12 is disposed on an output shaft of the right gear motor 11, and a right driven gear 13 engaged with the right driving gear 12 is connected to the right sleeve 7.

In the above embodiment, specifically, the left driving assembly includes the left speed reducing motor 8 and the left driving gear 9 connected to the output shaft of the left speed reducing motor 8, and correspondingly, the left driven gear 10 engaged with the left driving gear 9 is connected to the left short shaft 501, that is, the left speed reducing motor 8 drives the stirrer 5 to rotate and grind the materials.

The right driving assembly comprises a right speed reducing motor 11 and a right driving gear 12 connected to an output shaft of the right speed reducing motor 11, and correspondingly, a right driven gear 13 meshed with the right driving gear 12 is connected to the right shaft sleeve 7, namely, the right speed reducing motor 11 drives the material barrel 2 to rotate.

Further, referring to fig. 3 and 4, a left bearing seat 14 is arranged on the left side of the frame 1, and a left bearing 15 is arranged between the left bearing seat 14 and the left shaft sleeve 6; a right bearing seat 16 is arranged on the right side of the machine frame 1, and a right bearing 17 is arranged between the right bearing seat 16 and the right shaft sleeve 7.

In the above embodiment, in order to reduce the friction force, specifically, the left bearing seat 14 is disposed on the left side of the frame 1, the left bearing 15 is disposed between the left bearing seat 14 and the left shaft sleeve 6, the right bearing seat 16 is disposed on the right side of the frame 1, and the right bearing 17 is disposed between the right bearing seat 16 and the left shaft sleeve 6. The left bearing block 14 and the right bearing block 16 support the cartridge 2 and the stirrer 5.

Further, the diameters of the plurality of grinding balls 3 are not all equal. In this embodiment, the diameters of the spherical grinding balls 3 are not all equal, so that the materials can be ground more fully and finely. For the food industry, in order to avoid the grinding balls to pollute materials to be processed, under the normal condition, food-grade stainless steel is selected for use as the material of the grinding balls.

Further, referring to fig. 5, a grating plate 18 is disposed in the charging barrel 2 near the material outlet 4, and a gap of the grating plate 18 is smaller than a diameter of the grinding ball 3.

In the above embodiment, the grid plate 18 is arranged at the material outlet 4, and is used for preventing the grinding balls 3 from rolling out from the material outlet 4 during discharging, so that the separation of the materials and the grinding balls 3 is facilitated, and the automation degree of the ball mill is improved.

Further, referring to fig. 6, the stirrer 5 is a frame stirrer. In this embodiment, in order to facilitate the structure that the grinding balls 3 fall down at a certain angle along with the agitator 5 without colliding with the agitator, the agitator is designed as frame type as much as possible, and this embodiment is specifically a frame type agitator.

Further, referring to fig. 1 and 2, the material opening 4 is in a rectangular hopper shape, the left and right sides of the large opening end of the rectangular hopper are respectively connected with the left and right side barrel bottoms of the barrel 2, and the front and rear sides are connected with the side wall of the barrel 2. In the above embodiment, in order to facilitate thorough discharging, the material port 4 is specifically shaped as a rectangular hopper, and the left and right sides of the rectangular hopper are respectively connected to the left and right side bottoms of the charging barrel 2. When the charging barrel 2 rotates to the material opening 4 downwards during discharging, the material in the charging barrel can be completely discharged.

(II) exemplarily, the following is the operation steps of one embodiment of the ball mill:

step 1, feeding: and starting the right speed reducing motor 11, rotating the material port 4 to an upward position, closing the right speed reducing motor 11, and loading the material to be processed into the material barrel 2.

Step 2, grinding: and starting the left speed reducing motor 8, driving the stirrer 5 to rotate by the left speed reducing motor 8, and stirring the grinding balls 3 by the stirrer 5 to grind and crush the materials until the requirements are met.

Step 3, discharging: and (3) closing the left speed reducing motor 8, and starting the right speed reducing motor 11 to enable the material port 4 to discharge downwards until the material is completely discharged.

Although the present invention has been described in detail in this specification with reference to specific embodiments and illustrative embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Accordingly, such modifications and improvements are intended to be within the scope of this invention as claimed.

Claims

1. The ball mill is characterized by comprising a frame (1), wherein a charging barrel (2) is erected on the frame (1), and a plurality of grinding balls (3) are placed in the charging barrel (2);

a material port (4) is formed in the side wall of the charging barrel (2), a stirrer (5) matched with the inner wall of the charging barrel (2) is coaxially arranged in the charging barrel (2), a left short shaft (501) and a right short shaft (502) penetrating through two barrel bottoms of the charging barrel (2) are respectively arranged at the left end and the right end of the stirrer (5), a left shaft sleeve (6) fixedly connected with the left barrel bottom of the charging barrel (2) is sleeved on the left short shaft (501), and a right shaft sleeve (7) fixedly connected with the right barrel bottom of the charging barrel (2) is sleeved on the right short shaft (502);

the left side of the rack (1) is provided with a left driving assembly for driving the left short shaft (501) to rotate, and the right side of the rack (1) is provided with a right driving assembly for driving the right shaft sleeve (7) to rotate.

2. The ball mill according to claim 1, characterized in that the left driving assembly comprises a left reduction motor (8), a left driving gear (9) is arranged on an output shaft of the left reduction motor (8), and a left driven gear (10) meshed with the left driving gear (9) is connected to the left short shaft (501) through the left shaft sleeve (6);

the right driving assembly comprises a right speed reducing motor (11), a right driving gear (12) is arranged on an output shaft of the right speed reducing motor (11), and a right driven gear (13) meshed with the right driving gear (12) is connected to the right shaft sleeve (7).

3. The ball mill according to claim 1, characterized in that a left bearing seat (14) is provided at the left side of the frame (1), and a left bearing (15) is provided between the left bearing seat (14) and the left shaft sleeve (6);

a right bearing seat (16) is arranged on the right side of the rack (1), and a right bearing (17) is arranged between the right bearing seat (16) and the right shaft sleeve (7).

4. The ball mill according to claim 1, characterized in that the diameters of a plurality of the grinding balls (3) are not all equal.

5. The ball mill according to claim 1, characterized in that a grating plate (18) is arranged in the cartridge (2) close to the material opening (4), the gap of the grating plate (18) being smaller than the diameter of the grinding balls (3).

6. The ball mill according to claim 1, characterized in that the agitator (5) is a gate agitator.

7. The ball mill according to claim 1, characterized in that the material opening (4) is in the shape of a rectangular hopper, the left and right sides of the large opening end of the rectangular hopper are respectively connected with the left and right side bottom of the charging barrel (2), and the front and rear sides are connected with the side wall of the charging barrel (2).

8. Use of a ball mill, characterized in that the ball mill according to any of claims 1 to 7 comprises the following steps:

9. The use method of the ball mill according to claim 8, characterized in that in step 3, when the material port faces downwards, the grating plates block the grinding balls, and the ground material is discharged through the gaps of the grating plates.