CN210187309U

CN210187309U - Ball mill for processing raw materials of ceramic grinding materials

Info

Publication number: CN210187309U
Application number: CN201920596499.5U
Authority: CN
Inventors: Jiankang He; 何健康; Xuhui Pan; 潘旭辉
Original assignee: Zhejiang Zhongmo Electric Porcelain Technology Co Ltd
Current assignee: Zhejiang Zhongmo Electric Porcelain Technology Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-03-27
Anticipated expiration: 2029-04-28

Abstract

The application discloses ball mill is used in raw materials processing of ceramic abrasive material, include the frame, pass through rack-mount's ball-milling drum, drive ball-milling drum pivoted actuating mechanism, ball-milling drum's front end and end have material loading mouth and feed opening respectively, be provided with screening mechanism in the ball-milling drum, screening mechanism is including being located ball-milling drum's end, being close to the screening part of feed opening setting, screening part is installed through installation component on ball-milling drum's the inner wall to separation coarse powder material accesss to the feed opening. Can be at the grinding in-process, tentatively screen the grinding state of powder immediately, the powder that the particle diameter is unqualified is stayed in the ball roller and is continued to be ground, avoids the unqualified powder of particle diameter to get into next process, because the middlings material does not leave the ball roller, consequently, can avoid the powder extravagant, improve production efficiency.

Description

Ball mill for processing raw materials of ceramic grinding materials

Technical Field

The application relates to the technical field of chemical equipment, in particular to a ball mill for processing raw materials of ceramic grinding materials.

Background

The ceramic abrasive is a high-quality abrasive and has the advantages of high Mohs hardness, large specific gravity, smooth surface, small abrasion and the like. In the preparation of the ceramic abrasive, firstly, the raw materials are ground and dried, and the processing method and the processing equipment thereof refer to 'a raw material processing system for preparing the nano ceramic abrasive' disclosed in patent CN 207153900U. Specifically, the method comprises a ball mill, a powder dryer and a sieving machine, wherein raw materials (such as a mixture of aluminum oxide and zirconium oxide) are ground into powder in the ball mill, the powder is sent to the dryer for drying, finally the ground powder is sieved, fine powder enters the next production process, and coarse powder is returned to the ball mill for secondary grinding.

In the process of separating the coarse powder from the fine powder and conveying the coarse powder back to the ball grinding machine again, certain powder loss exists, and waste is caused; meanwhile, the coarse powder is dried after leaving the ball mill, and then returned to the ball mill for secondary grinding, and then dried, and whether the coarse powder meets the requirement of the particle size is judged, although the powder in a completely dried state can more accurately judge whether the particle size meets the requirement of raw material grinding treatment, the repeated steps cause waste of the working procedure; further, the raw material is continuously conveyed into the ball mill, and the coarse powder material is ground together with other raw material materials after being fed back into the ball mill, so that the processing time of the coarse powder material is wasted, and even the coarse powder material is not effectively refined. In conclusion, the raw material treatment method and the raw material treatment equipment in the prior art have the problems of powder waste and low production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the technical problem, thereby a ball mill is used in raw materials processing of pottery abrasive material is provided, it is through setting up screening mechanism in the ball cylinder, thereby can be at the grinding in-process, carry out preliminary screening to the grinding state of powder immediately, the unqualified powder of particle diameter is stayed in the ball cylinder and continues to be ground, avoid the unqualified powder of particle diameter to get into next process, because the middlings material does not leave the ball cylinder, consequently, can avoid the powder extravagant, improve production efficiency.

For realizing above-mentioned purpose, the utility model provides a ball mill is used in feedstock treatment of ceramic abrasive material, including the frame, pass through rack-mount's ball-milling drum, drive ball-milling drum pivoted actuating mechanism, ball-milling drum's front end and end have material loading mouth and feed opening respectively, be provided with screening mechanism in the ball-milling drum, screening mechanism is including being located ball-milling drum's end, being close to the screening part of feed opening setting, screening part is installed through installation component on ball-milling drum's the inner wall to the separation middlings material accesss to the feed opening.

Borrow by above-mentioned structure, the screening part sets up at ball-milling roller's end, is close to the feed opening, after the grinding of raw materials through the ball-milling roller, before leaving the ball-milling roller, need pass through the preliminary screening of screening part to can make coarse powder (the powder particle diameter does not accord with the granule that the raw materials required to be handled) continuously stop in the ball-milling roller, carry out lasting grinding. Specifically, the coarse powder does not leave the grinding balls of the roller, does not go through an ineffective drying process, and stays in the grinding ball roller section close to the feed opening after being blocked, so that the waste of the powder caused by the output and feedback processes of the coarse powder and the waste of the processes and working hours caused by the repeated processes and the repeated passing of the coarse powder by the whole roller length of the grinding ball roller can be effectively avoided; further, the screening component is arranged inside the grinding ball roller, so that the phenomenon that the secondary grinding (in the technical scheme, the secondary grinding is understood as 'continuous grinding') of the coarse powder does not reach the standard can be effectively avoided.

Preferably, the screening member is a screen tray.

Preferably, the mesh opening diameter of the screening member is 0.5mm to 1.5mm larger than the target particle diameter of the powder.

In the technical scheme, the screening component is used as a primary screening structure matched with a screening machine in a subsequent procedure, and meanwhile, the water-containing state of the powder has certain agglomeration tendency, so that the mesh aperture of the screening component is set to be 0.5-1.5 mm larger than the target particle size of the powder, and the production efficiency can be facilitated.

Preferably, the ball milling roller comprises an expanding section connected with the feeding port, a closing section connected with the discharging port, and a straight cylinder section connected with the expanding section and the closing section, and the screening part is arranged in the closing section.

In this technical scheme, the powder is fed to feed opening one side along with the rolling of ball cylinder, and when the bore of feed opening was in the contraction state, can improve the power that the powder axial is gos forward, promoted the powder and passes through the screening part.

Preferably, the mounting assembly comprises a pair of L-shaped clips, the vertical sections of the pair of L-shaped clips clamp and fixedly connect the edge parts of the screening component, and the horizontal sections of the pair of L-shaped clips are fixedly mounted on the inner wall of the ball milling drum.

Preferably, the mounting assembly comprises a fixed seat fixedly mounted on the inner wall of the ball milling roller, the edge part of the screening component is inserted into the movable groove of the fixed seat and is connected with the inner wall of the groove bottom of the movable groove through an elastic part, so that the screening component can move along the axial direction of the movable groove.

In this technical scheme, consider that the powder moisture state has certain tendency of holding a group, make the edge part of screening part pass through the tank bottom inner wall connection of elastic component with the movable groove to can follow the axial activity of movable groove, screening part can be along with the rolling of ball cylinder and take place the vibration promptly, at the in-process of vibration, shakes the powder that falls attached to on the screening part sieve mesh, avoids the sieve mesh to block up, and influences the ejection of compact.

Preferably, the mounting assembly further comprises a connecting sleeve sleeved on and fixedly connected with an edge portion of the screening member, and the edge portion of the screening member is connected with the elastic member through the connecting sleeve.

Preferably, the outer side wall of the connecting sleeve is provided with a ball structure matched with the inner side wall of the movable groove shaft.

Preferably, the fixed seat is an annular groove with the movable groove, and the elastic pieces are arranged on the annular ring of the movable groove at equal intervals.

Preferably, the ball mill for processing the raw materials of the ceramic abrasive further comprises spiral convex strips fixedly arranged on the inner wall of the ball milling roller, and the height of the spiral convex strips is 10cm-30 cm.

In this technical scheme, the spiral sand grip can promote the axial feed of powder in the ball cylinder to bellied spiral sand grip can also help grinding.

According to the utility model discloses a ball mill is used in raw materials processing of ceramic abrasive material, it is through setting up screening mechanism in the ball cylinder to can be in the grinding process, tentatively screen the grinding state of powder immediately, the unqualified powder of particle diameter is stayed in the ball cylinder and is continued to be ground, avoids the unqualified powder of particle diameter to get into next process (drying process), because the middlings material does not leave the ball cylinder, consequently, can avoid the powder extravagant, improve production efficiency.

Further, the edge part of screening part passes through the elastic component and is connected with the tank bottom inner wall in activity groove to can follow the axial activity in activity groove, screening part can be along with the rolling of ball grinding cylinder and take place the vibration promptly, at the in-process of vibration, shakes the powder that falls attached to on the screening part sieve mesh, avoids the sieve mesh to block up, and influences the ejection of compact.

Specific embodiments of the present application are disclosed in detail with reference to the following description and drawings, indicating the manner in which the principles of the application may be employed. It should be understood that the embodiments of the present application are not so limited in scope. The embodiments of the application include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of a ball mill for raw material treatment of a ceramic abrasive according to example 1 of the present application;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic view of a ball mill for raw material treatment of a ceramic abrasive according to example 2 of the present application;

FIG. 4 is a schematic view of a ball mill for raw material treatment of a ceramic abrasive according to example 3 of the present application;

FIG. 5 is an enlarged view of a portion of FIG. 4;

in the drawings: 100-a rack, 200-a ball milling roller, 300-a screening mechanism, 400-a spiral raised line, 210-a feeding port, 220-a discharging port, 230-a flaring section, 240-a closing section, 250-a straight cylinder section, 310-a screening part, 320-a mounting component, 321-an L-shaped clamping piece, 322-a fixed seat, 323-a movable groove, 324-an elastic part, 325-a connecting sleeve and 326-a ball structure.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.

Example 1: as shown in fig. 1, the ball mill for processing a raw material of a ceramic abrasive includes a frame 100, a ball-milling drum 200 mounted through the frame 100, and a driving mechanism for driving the ball-milling drum 200 to rotate, wherein a feeding port 210 and a discharging port 220 are respectively provided at the front end and the tail end of the ball-milling drum 200. The frame 100, the ball milling roller 200 and the driving mechanism may be any one of the structures in the prior art, for example, as disclosed in CN207153900U, "a material processing system for preparing nano ceramic abrasive", in which the discharge port 210 is connected to the feeding structure and the storage bin, the discharge port 220 is connected to the downstream dryer, and the dried material enters the sieving machine.

In this embodiment, the ball milling roller 200 is a cylindrical roller, the screening mechanism 300 is disposed in the ball milling roller 200, the screening mechanism 300 includes a screening component 310 located at the end of the ball milling roller 200 and disposed near the feeding opening 220, and the screening component 310 is mounted on the inner wall of the ball milling roller 200 through a mounting component 320 and is used for blocking coarse powder from passing through the feeding opening 220.

Specifically, the screen member 310 is a screen tray. The screen hole diameter of the screening part 310 is 0.5mm to 1.5mm larger than the target particle diameter of the powder, which should be determined according to the actual grinding efficiency of the ball milling roller 200, and when the actual grinding efficiency of the ball milling roller 200 is high (for example, when the fine powder accounts for more than 85% of the actual discharged powder), a relatively small screen hole diameter, for example, 0.6mm to 0.7mm, may be selected.

Referring to fig. 2, the mounting assembly 320 includes a pair of L-shaped clips 321, vertical sections 321a of the pair of L-shaped clips 321 clamp and fixedly connect (e.g., weld or screw) the edge portion (i.e., the outer edge side) of the sieving member 310, and horizontal sections 321b of the pair of L-shaped clips 321 are fixedly mounted (e.g., weld or screw) on the inner wall of the ball milling drum 200.

More preferably, the ball mill for processing a raw material of a ceramic abrasive according to the present embodiment further includes spiral ridges 400 fixedly disposed on the inner wall of the ball mill drum 200, and the spiral ridges 400 are disposed along the longitudinal direction of the ball mill drum 200, and may be integrally formed with the ball mill drum 200, or may be fixed to the inner wall of the ball mill drum 200 by welding or screwing. The pitch of the spiral ridges 400 is equal and should be adapted to the length of the barrel of the bowl 200, and in general, the pitch should be 1/6-1/4 of the length of the barrel of the bowl 200. The height of the spiral ribs 400 is also adapted to the thickness of the wall of the ball milling drum 200, and is 10cm to 30 cm. The spiral ribs 400 can facilitate axial feeding of powder in the ball roller 200, and the raised spiral ribs 400 can also contribute to grinding, improving grinding efficiency.

Example 2: embodiment 2 is different from embodiment 1 in that, referring to fig. 3, the ball mill drum 200 includes a flaring section 230 connected to the feed opening 210, a closing section 240 connected to the feed opening 220, and a straight cylindrical section 250 connecting the flaring section 230 and the closing section 240, and the sieving member 310 is disposed in the closing section 240. The powder is fed to the side of the feed opening 220 along with the rolling of the grinding ball roller 200, when the caliber of the feed opening 220 is in a contraction state, the power of the axial advancing of the powder can be improved when the powder is close to the screening part 310, and the powder is promoted to pass through the screening part 310.

Example 3: embodiment 3 is different from embodiment 2 in that the sieving means 310 is installed differently from the inner wall of the ball-milling drum 200. Referring to fig. 4 and 5, in the present embodiment, the mounting assembly 320 includes a fixed seat 322 fixedly mounted on the inner wall of the ball milling drum 200, and the edge portion of the screening member 310 is inserted into the movable groove 323 of the fixed seat 322 and connected to the inner wall of the groove bottom of the movable groove 323 through an elastic member 324, so as to be movable in the axial direction of the movable groove 323. In this embodiment, the fixing seat 322 is an annular groove having a movable groove 323, the elastic member 324 is a spring, and the elastic member 324 is disposed at equal intervals in a ring direction of the movable groove 323 (for example, 8-10 elastic members 324 are disposed at equal intervals in the ring direction).

In a preferred embodiment, the edge of the screening member 310 is sleeved and fixedly connected (e.g., welded, screwed or integrally formed) with a connecting sleeve 325, the connecting sleeve 325 is fixedly connected with the elastic member 324 by welding, and the other end of the elastic member 324 is fixedly connected to the inner wall of the bottom of the movable groove 323 by welding. The connecting sleeve 325 is inserted into the movable groove 323 of the fixing base 322, and the outer diameter of the screening member 310 with the connecting sleeve 325 is larger than the inner diameter of the fixing base 322. Further, the outer side wall of the connecting sleeve 325 is provided with a ball structure 326 matched with the axial inner side wall of the movable groove 323, that is, a plurality of groups of balls are arranged on the outer wall of the connecting sleeve 325, so that the relative movement between the connecting sleeve 325 and the movable groove 323 can be facilitated.

It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description.

Claims

1. The utility model provides a ball mill is used in processing of ceramic abrasive's raw materials, includes frame (100), passes through ball-milling drum (200), the drive of frame (100) installation ball-milling drum (200) pivoted actuating mechanism, the front end and the end of ball-milling drum (200) have material loading mouth (210) and feed opening (220) respectively, a serial communication port, be provided with screening mechanism (300) in ball-milling drum (200), screening mechanism (300) are including being located the end of ball-milling drum (200), being close to screening part (310) that feed opening (220) set up, screening part (310) are installed through installation component (320) on the inner wall of ball-milling drum (200) to separation coarse powder material accesss to feed opening (220).

2. The ball mill for raw material processing of ceramic abrasives according to claim 1, wherein the sieving member (310) is a sieve tray.

3. The ball mill for processing a raw material of a ceramic abrasive according to claim 2, wherein the screen hole diameter of the screen member (310) is 0.5mm to 1.5mm larger than the target particle diameter of the pulverized material.

4. The ball mill for processing the raw material of the ceramic abrasive according to claim 1, wherein the ball mill drum (200) includes an expanding section (230) connected to the feeding port (210), a contracting section (240) connected to the discharging port (220), and a straight tube section (250) connecting the expanding section (230) and the contracting section (240), and the screening member (310) is disposed in the contracting section (240).

5. The ball mill for processing the raw material of the ceramic abrasive according to claim 1 or 4, wherein the mounting assembly (320) includes a pair of L-shaped clips (321), wherein vertical sections (321 a) of the pair of L-shaped clips (321) clamp and fixedly connect edge portions of the sieving member (310), and wherein horizontal sections (321 b) of the pair of L-shaped clips (321) are fixedly mounted on an inner wall of the ball milling drum (200).

6. The ball mill for processing the raw material of the ceramic abrasive according to claim 1 or 4, wherein the mounting assembly (320) comprises a fixed seat (322) fixedly mounted on an inner wall of the ball milling drum (200), and an edge portion of the screening member (310) is inserted into a movable groove (323) of the fixed seat (322) and connected with an inner wall of a groove bottom of the movable groove (323) through an elastic member (324), so as to be movable in an axial direction of the movable groove (323).

7. The ball mill for processing the raw material of the ceramic abrasive according to claim 6, wherein the mounting assembly (320) further comprises a connection sleeve (325) which is sleeved and fixedly connected with an edge portion of the sieving member (310), and the edge portion of the sieving member (310) is connected with the elastic member (324) through the connection sleeve (325).

8. The ball mill for processing raw materials of ceramic abrasives according to claim 7, wherein the outer side wall of the connection sleeve (325) is provided with a ball structure (326) which is matched with the axial inner side wall of the movable groove (323).

9. The ball mill for processing raw material of ceramic abrasive according to claim 6, wherein the fixed seat (322) is an annular groove having the movable groove (323), and the elastic members (324) are arranged at equal intervals in a circumferential direction of the movable groove (323).

10. The ball mill for processing the raw material of the ceramic abrasive according to claim 1, further comprising spiral ribs (400) fixedly provided on an inner wall of the ball milling drum (200), wherein a height of the spiral ribs (400) is 10cm to 30 cm.