CN111036353A - Roller structure of ball mill and ball mill - Google Patents
Roller structure of ball mill and ball mill Download PDFInfo
- Publication number
- CN111036353A CN111036353A CN201911398231.1A CN201911398231A CN111036353A CN 111036353 A CN111036353 A CN 111036353A CN 201911398231 A CN201911398231 A CN 201911398231A CN 111036353 A CN111036353 A CN 111036353A
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- Prior art keywords
- ball mill
- crushing
- section
- barrel
- wear
- Prior art date
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Links
- 230000007704 transition Effects 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 13
- 230000007246 mechanism Effects 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/22—Lining for containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a roller structure of a ball mill, which comprises a barrel and a lining plate arranged on the inner wall of the barrel, wherein the lining plate comprises a crushing section and a wear section which are sequentially arranged along the axial direction of the barrel, an internal gear-shaped bulge arranged along the circumferential direction of the inner wall of the barrel is arranged on the crushing section, crushing edges are arranged on two sides of the top end of the internal gear-shaped bulge, an internal wave-shaped bulge arranged along the circumferential direction of the inner wall of the barrel is arranged on the wear section, and two sides of the internal wave-shaped bulge are in smooth transition. The ore is crushed through the crushing section, and is abraded through the abrasion section, so that the crushing and abrasion-resistant ore crusher has two working mechanisms of crushing and abrasion, and the comprehensive performance is improved. The invention also discloses a ball mill comprising the ball mill roller structure.
Description
Technical Field
The invention relates to the field of grinding machine equipment, in particular to a roller structure of a ball mill. In addition, the invention also relates to a ball mill comprising the structure.
Background
The ball mill is the indispensable equipment of ore dressing, and its cylinder structure includes the barrel and sets up in the welt of barrel inner wall to be provided with the ball in inside, the during operation, the barrel rotates, drives mixed ore and ball and is the wearing and tearing work inside the barrel, and wherein the welt is wear-resisting welt.
However, the existing mill operates by an ore abrasion mechanism, namely, the single working mechanism is adopted in the mill, and the ore abrasion degree gradually changes along with the movement of the ore from the feeding end to the discharging end, so that the loss of a lining plate is uneven, and the comprehensive performance of the ball mill is poor.
Therefore, how to provide a ball mill roller structure with improved comprehensive performance is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a roller structure of a ball mill, wherein a lining plate is divided into a crushing section and a wear section, so that the roller structure has two working mechanisms of crushing and wear, and the comprehensive performance is improved. It is another object of the present invention to provide a ball mill including the above structure.
In order to solve the technical problem, the invention provides a roller structure of a ball mill, which comprises a roller body and a lining plate arranged on the inner wall of the roller body, wherein the lining plate comprises a crushing section and a wear section which are sequentially arranged along the axial direction of the roller body, an inner gear-shaped bulge arranged along the circumferential direction of the inner wall of the roller body is arranged on the crushing section, crushing edges are arranged on two sides of the top end of the inner gear-shaped bulge, inner wave-shaped bulges arranged along the circumferential direction of the inner wall of the roller body are arranged on the wear section, and two sides of the inner wave-shaped bulge are in smooth transition.
Preferably, the crushing section comprises a plurality of crushing bases which are closely arranged along the circumferential direction of the inner wall of the cylinder, a trapezoidal protrusion protruding towards the inside of the cylinder is arranged in the middle of each crushing base, the radial section of each trapezoidal protrusion is trapezoidal, and each trapezoidal protrusion extends along the axial direction of the cylinder.
Preferably, a through hole extending in the radial direction is formed in the crushing base, and two grooves located on two sides of the through hole are formed in the bottom of the crushing base.
Preferably, the length of the upper bottom of the trapezoid is two thirds of the initial diameter of the grinding ball, the included angle between the upper bottom and the waist of the trapezoid is 120 degrees, and the thickness of the crushing base is two thirds of the initial diameter of the grinding ball.
Preferably, the wearing and tearing section includes a plurality of edges the wearing and tearing base that barrel inner wall circumference was closely arranged, every the middle part of wearing and tearing base all is provided with to the inside convex arc of barrel is protruding, the bellied radial cross-section of arc is the arc, the arc is protruding to be followed barrel axial extension.
Preferably, a through hole extending in the radial direction is formed in the wear base, and two grooves located on two sides of the through hole are formed in the bottom of the wear base.
Preferably, the two sides of the arc and the upper part of the abrasion base are provided with concave arc transitions.
Preferably, the arc shape is equal to the radius of the arc transition, and the thickness of the abrasion base is two thirds of the original diameter of the grinding ball.
Preferably, one third to one half of the working area from the feed end to the discharge end of the barrel is the crushing section.
The invention provides a ball mill, which comprises a ball mill roller structure and grinding balls arranged in the ball mill roller structure, wherein the ball mill roller structure is specifically any one of the ball mill roller structures.
The invention provides a roller structure of a ball mill, which comprises a barrel and a lining plate arranged on the inner wall of the barrel, wherein the lining plate comprises a crushing section and a wear section which are sequentially arranged along the axial direction of the barrel, an internal gear-shaped bulge arranged along the circumferential direction of the inner wall of the barrel is arranged on the crushing section, crushing edges are arranged on two sides of the top end of the internal gear-shaped bulge, an internal wave-shaped bulge arranged along the circumferential direction of the inner wall of the barrel is arranged on the wear section, and two sides of the internal wave-shaped bulge are in smooth transition. The ore is crushed through the crushing section, and is abraded through the abrasion section, so that the crushing and abrasion-resistant ore crusher has two working mechanisms of crushing and abrasion, and the comprehensive performance is improved.
The invention also provides a ball mill comprising the ball mill roller structure, and the ball mill roller structure has the technical effects, so the ball mill also has the same technical effects, and the detailed description is omitted.
Drawings
FIG. 1 is a schematic axial cross-sectional view of one embodiment of a ball mill roller configuration provided by the present invention;
FIG. 2 is a schematic radial cross-sectional view of a crushing section in one embodiment of the bowl structure of the ball mill provided by the present invention;
FIG. 3 is a partially enlarged view of a crushing base in one embodiment of the drum structure of the ball mill provided by the present invention;
FIG. 4 is a schematic radial cross-sectional view of a wear segment of one embodiment of a ball mill roller configuration provided by the present invention;
fig. 5 is a partially enlarged view of a wear seat in one embodiment of the drum structure of the ball mill provided by the present invention.
Detailed Description
The core of the invention is to provide a roller structure of a ball mill, a lining plate is divided into a crushing section and a wear section, and the roller structure has two working mechanisms of crushing and wear and improves the comprehensive performance. Another core of the present invention is to provide a ball mill including the above structure.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 5, fig. 1 is a schematic axial cross-sectional view of a ball mill roller structure according to an embodiment of the present invention; FIG. 2 is a schematic radial cross-sectional view of a crushing section in one embodiment of the bowl structure of the ball mill provided by the present invention; FIG. 3 is a partially enlarged view of a crushing base in one embodiment of the drum structure of the ball mill provided by the present invention; FIG. 4 is a schematic radial cross-sectional view of a wear segment of one embodiment of a ball mill roller configuration provided by the present invention; fig. 5 is a partially enlarged view of a wear seat in one embodiment of the drum structure of the ball mill provided by the present invention.
The specific embodiment of the invention provides a roller structure of a ball mill, which comprises a roller body 1 and a lining plate arranged on the inner wall of the roller body 1, wherein the two axial ends of the roller body 1 are a feeding end and a discharging end. The welt includes broken section 2 and the wearing and tearing section 3 that sets gradually along 1 axial of barrel, is provided with on the broken section 2 along 1 inner wall circumference of barrel internal gear form arch of arranging, and the radial cross-section of broken section 2 is internal gear form promptly, and the bellied top both sides of internal gear form are provided with broken arris, and the both sides on internal tooth top promptly are the crest line, and not smooth and sly transition, improvement crushing performance. The wearing segment 3 is provided with inner wave-shaped bulges arranged along the circumferential direction of the inner wall of the cylinder body 1, namely, the radial section of the wearing segment 3 is in a wave shape, and the two sides of the wave-shaped bulges are in smooth transition, so that the wearing function is realized.
During the work engineering, the ore gets into barrel 1 by the feed end, carries out the breakage to the ore through crushing section 2, wears out to the ore through wearing and tearing section 3, then by discharge end discharge barrel 1, has two kinds of theory of operation of breakage and wearing and tearing, improves comprehensive properties.
In the drum structure of the ball mill provided by the embodiment of the invention, for convenience of processing and installation, the crushing section 2 comprises a plurality of crushing bases 21, the plurality of crushing bases 21 are tightly arranged along the circumferential direction of the inner wall of the drum 1 to assemble the cylindrical lining plate of the crushing section 2, a trapezoidal protrusion 22 protruding towards the inside of the drum 1 is arranged in the middle of each crushing base 21, the radial cross section of the trapezoidal protrusion 22 is trapezoidal, the trapezoidal protrusion 22 extends along the axial direction of the drum 1, the trapezoidal protrusion 22 is each internal tooth of the internal gear-shaped protrusion, the plurality of trapezoidal protrusions 22 formed by assembling the plurality of crushing bases 21 together form an internal gear shape, the interval between two adjacent trapezoidal protrusions 22 is the tooth gap of the internal gear, and two vertex angles of the trapezoid are crushing edges.
In order to facilitate the installation, be provided with the through-hole of radial extension on broken base 21, through bolted connection barrel 1, broken base 21 bottom is provided with two recesses that are located the through-hole both sides, and the reinforcing is saved material. The adjustment can also be carried out according to the circumstances, for example through the locating pin connection, if the through-hole sets up in broken base 21's side, in order to prevent that dust slay from getting into, the through-hole top is provided with the shutoff lid. Because the axial length of the crushing bases 21 is long, the crushing bases can be divided into multiple sections along the axial direction, each section is provided with two through holes, and the adjacent crushing bases 21 along the circumferential direction are arranged in a staggered mode.
Specifically, the length of the upper bottom of the trapezoid is two thirds of the initial diameter of the grinding ball, the included angle between the upper bottom of the trapezoid and the waist is 120 degrees, and the thickness of the crushing base 21 is two thirds of the initial diameter of the grinding ball, or the size and the angle are adjusted according to the situation, which is within the protection scope of the invention. Grinding balls with different sizes are added into the mill for the first time, the grinding balls are added at regular time in use, the added grinding balls are large grinding balls, and the lining plate is designed according to the diameter of the added large grinding balls and the initial diameter.
In the ball mill roller structure provided by the specific embodiment of the invention, the wear segment 3 comprises a plurality of wear bases 31, the plurality of wear bases 31 are tightly arranged along the circumferential direction of the inner wall of the cylinder 1 to assemble the cylindrical lining plate of the wear segment 3, the middle part of each wear base 31 is provided with an arc-shaped bulge 32 protruding towards the inside of the cylinder 1, the radial section of each arc-shaped bulge 32 is arc-shaped, and the arc-shaped bulge 32 extends along the axial direction of the cylinder 1. The arc-shaped protrusions 32 are each wave crest of the inner wave-shaped protrusion, the plurality of arc-shaped protrusions 32 formed by assembling the plurality of abrasion bases 31 together form the inner wave shape, the interval between two adjacent arc-shaped protrusions 32 is the wave trough of the inner wave, and the two sides of the arc are smooth transitions.
In order to facilitate the installation, be provided with radial extension's through-hole on the wearing and tearing base 31, through bolted connection barrel 1, wearing and tearing base 31 bottom is provided with two recesses that are located the through-hole both sides, and intensity is improved, save material. Also can adjust according to the circumstances, for example through the locating pin connection, if the through-hole sets up in the side of wearing and tearing base 31, in order to prevent that dust slay from getting into, the through-hole top is provided with the shutoff lid. Because the axial length of the wear base 31 is long, the wear base can be divided into multiple sections along the axial direction, each section is provided with two through holes, and the wear bases 31 adjacent along the circumferential direction are staggered.
In order to form a perfect wave shape, the two sides of the arc and the upper part of the abrasion base 31 are provided with sunken arc transitions, so that the wave crests and the wave troughs of the formed inner wave shapes are consistent in shape, and the abrasion effect is improved.
Specifically, the radii of the arc and the circular arc transition are equal, and the thickness of the wear base 31 is two thirds of the original diameter of the grinding ball, or the size and angle are adjusted according to the situation, which is within the protection scope of the present invention.
On the basis of the roller structure of the ball mill provided by each embodiment, one third to one half of the working area from the feeding end to the discharging end of the barrel 1 is the crushing section 2, or the length of the crushing section 2 is adjusted according to the requirement.
In addition to the above ball mill roller structure, the specific embodiment of the present invention also provides a ball mill including the above ball mill roller structure, and the structure of other parts of the ball mill roller structure refers to the prior art, and is not repeated herein.
The roller structure of the ball mill and the ball mill provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a ball mill drum structure, includes barrel (1) and install in the welt of barrel (1) inner wall, a serial communication port, the welt includes the edge broken section (2) and wearing and tearing section (3) that barrel (1) axial set gradually, be provided with on broken section (2) and follow the internal gear form that barrel (1) inner wall circumference was arranged is protruding, the bellied top both sides of internal gear form are provided with broken arris, be provided with the edge on wearing and tearing section (3) the interior wave form that barrel (1) inner wall circumference was arranged is protruding, the bellied both sides rounding off of interior wave form.
2. The ball mill drum structure according to claim 1, characterized in that the crushing section (2) comprises a plurality of crushing bases (21) closely arranged in the circumferential direction along the inner wall of the bowl (1), the middle part of each crushing base (21) is provided with a trapezoidal protrusion (22) protruding towards the inside of the bowl (1), the radial cross section of the trapezoidal protrusion (22) is trapezoidal, and the trapezoidal protrusion (22) extends axially along the bowl (1).
3. The bowl structure according to claim 2, characterized in that the crushing base (21) is provided with a radially extending through hole, and the bottom of the crushing base (21) is provided with two grooves on both sides of the through hole.
4. The bowl mill drum structure according to claim 3, characterized in that the length of the upper base of the trapezoid is two thirds of the original diameter of the grinding balls, the angle between the upper base and the waist of the trapezoid is 120 degrees, and the thickness of the crushing base (21) is two thirds of the original diameter of the grinding balls.
5. The ball mill roller structure according to claim 1, characterized in that the wear segment (3) comprises a plurality of wear seats (31) closely arranged along the circumferential direction of the inner wall of the cylinder (1), the middle part of each wear seat (31) is provided with an arc-shaped protrusion (32) protruding towards the inside of the cylinder (1), the radial section of the arc-shaped protrusion (32) is arc-shaped, and the arc-shaped protrusion (32) axially extends along the cylinder (1).
6. The bowl structure according to claim 5, characterized in that the wear seat (31) is provided with a radially extending through hole, and the bottom of the wear seat (31) is provided with two grooves on both sides of the through hole.
7. The bowl mill drum construction according to claim 6, characterized in that the curved sides and the upper part of the wear base (31) are provided with a concave circular arc transition.
8. The ball mill roller structure according to claim 7, characterized in that the arc shape is equal to the radius of the circular arc transition, and the thickness of the wear seat (31) is two thirds of the original diameter of the grinding ball.
9. The ball mill bowl structure according to any one of claims 1 to 8, characterized in that one third to one half of the working area of the bowl (1) from the feed end to the discharge end is the crushing section (2).
10. A ball mill comprising a ball mill roller structure and grinding balls disposed within the ball mill roller structure, characterized in that the ball mill roller structure is specifically the ball mill roller structure of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911398231.1A CN111036353A (en) | 2019-12-30 | 2019-12-30 | Roller structure of ball mill and ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911398231.1A CN111036353A (en) | 2019-12-30 | 2019-12-30 | Roller structure of ball mill and ball mill |
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| Publication Number | Publication Date |
|---|---|
| CN111036353A true CN111036353A (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911398231.1A Pending CN111036353A (en) | 2019-12-30 | 2019-12-30 | Roller structure of ball mill and ball mill |
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| CN (1) | CN111036353A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114260088A (en) * | 2021-12-27 | 2022-04-01 | 上交赛孚尔(包头)新材料有限公司 | Drum-type material grinding machine |
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| RU181334U1 (en) * | 2017-10-19 | 2018-07-11 | Виктор Алексеевич Степаненко | Metal plate for lining a ball drum mill |
| CN208146119U (en) * | 2017-12-28 | 2018-11-27 | 鞍钢矿山机械制造有限公司 | A kind of inner liner of bowl mill structure |
| CN109012908A (en) * | 2018-08-30 | 2018-12-18 | 贺州市创伟冶金耐材有限公司 | Cylinder between the novel two-region of ball mill |
| CN209549633U (en) * | 2018-12-12 | 2019-10-29 | 长沙见新科技发展有限公司 | A kind of ball grinding machine lining board of compound shape |
| CN211636770U (en) * | 2019-12-30 | 2020-10-09 | 攀钢集团矿业有限公司 | Roller structure of ball mill and ball mill |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114260088A (en) * | 2021-12-27 | 2022-04-01 | 上交赛孚尔(包头)新材料有限公司 | Drum-type material grinding machine |
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