CN110142107A - A kind of bilayer ball grinder - Google Patents
A kind of bilayer ball grinder Download PDFInfo
- Publication number
- CN110142107A CN110142107A CN201910422087.4A CN201910422087A CN110142107A CN 110142107 A CN110142107 A CN 110142107A CN 201910422087 A CN201910422087 A CN 201910422087A CN 110142107 A CN110142107 A CN 110142107A
- Authority
- CN
- China
- Prior art keywords
- inner canister
- ball grinder
- groove
- wall
- outer tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003780 insertion Methods 0.000 claims description 36
- 230000037431 insertion Effects 0.000 claims description 36
- 238000005096 rolling process Methods 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 4
- 229910000679 solder Inorganic materials 0.000 claims description 4
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 238000000498 ball milling Methods 0.000 abstract description 20
- 230000033001 locomotion Effects 0.000 abstract description 16
- 239000000463 material Substances 0.000 abstract description 12
- 239000000843 powder Substances 0.000 abstract description 6
- 238000000227 grinding Methods 0.000 description 10
- 239000003082 abrasive agent Substances 0.000 description 9
- 238000012864 cross contamination Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The present invention relates to a kind of double-deck ball grinders, including inner canister and outer tank, the inner canister to be sheathed in the outer tank, and the inner canister can be relatively rotated with the outer tank.This bilayer ball grinder passes through the relative rotation of inner canister and outer tank, so that inner canister can be in the case where no external device, the automatic rotary motion realized around ball grinder axis, to increase a rotary motion again.So that material is more fully mixed after ball milling, more efficient, gained powder size is more evenly.
Description
Technical field
The present invention relates to ball grinding technique field, in particular to a kind of double-deck ball grinder.
Background technique
Ball mill is a kind of for mixing or the equipment of levigate powder in many industries.When work, need to be mixed or grind
Thin material is put into togerther in ball grinder and seals with abrading-ball, and ball grinder is then clamped in the special exercise position of ball mill.Ball
After grinding machine starts, ball grinder is driven to do rotation or lagging motion.At this point, the material to be ground, abrading-ball in ball grinder are with ball grinder one
Rise movement, while material to be ground between abrading-ball and abrading-ball or between abrading-ball and ball milling top tank structure by multiple impacts, to realize
The mixing of powder is levigate.Traditional ball grinder is usually cylindric single layer ball grinder, and there are many deficiencies.For example, work
When, strength occurs repeatedly between abrading-ball or between abrading-ball and ball milling top tank structure and collides, the significant noise of sending.Meanwhile single layer ball
Grinding jar can only do a rotary motion again with ball mill clamping, and ball milling or mixing efficiency are relatively low.Although people have designed and produced row
Planetary ball mill enables ball grinder a degree of autobiography when revolution, realizes two to replace traditional uniaxial ball mill
Rotary motion again improves ball milling or mixing efficiency, but its ball mill complexity and cost are raised significantly.And existing ball
Grinding jar is filled with damping material between the inside and outside cylinder of ball grinder, the noise generated when can reduce ball milling to a certain degree；Its inner cylinder
Having diameter respectively with the corner of inner cavity bottom end is the circular arc chamfering of the 30%-50% of inner diameter of steel flue, avoids ball milling dead angle
Formation, such as " a kind of ball grinder " of Publication No. CN204672348U.But the ball grinder still has following deficiency: the ball milling
Although for bilayer, inner canister is actually closely as one tank with outer tank, still can only be real as conventional monolayers ball grinder
Now at most double rotary motion.
Summary of the invention
It is an object of the invention to improve ball grinder in the prior art although for bilayer, inner canister is actually close with outer tank
It is combined as a whole, most double rotary motions still can only be realized as conventional monolayers ball grinder, a kind of double-deck ball milling is provided
Tank.
In order to achieve the above-mentioned object of the invention, the embodiment of the invention provides following technical schemes:
A kind of bilayer ball grinder, including inner canister and outer tank, the inner canister are sheathed in the outer tank tank, the inner canister and institute
Stating outer tank can relatively rotate.By the relative rotation of inner canister and outer tank, so that inner canister can be in the case where no external device, certainly
The dynamic rotary motion realized around inner canister axis, to increase a rotary motion again.So that material is more fully mixed after ball milling, effect
Rate is higher, and gained powder size is more evenly.
In further embodiment, fixing groove is provided in the inner canister, the fixing groove is embedded with rolling bearing, described
The inner ring of rolling bearing is provided with metal plate, and insertion groove is provided on the metal plate, and the inner wall of the outer tank, which is provided with, to be used for
It is inserted into the convex block of the insertion groove, the height of the convex block is greater than the depth of the insertion groove.Pass through matching for convex block and insertion groove
Close the relative rotation for realizing inner canister and outer tank.The cooperation for passing through insertion groove and convex block simultaneously, both can ensure that rolling bearing inner ring
It is moved synchronously with outer tank, in turn, ensures that inner canister assembles convenience.It only needs convex block being inserted into insertion groove, covers tightly outer cover
Complete the assembly of inner canister and outer tank.
In further embodiment, the inner canister includes inner canister partition and inner tank body, and the lower end surface of the inner canister partition is set
Be equipped with annular groove, the upper surface of the inner tank body is provided with annular groove, the annular groove of the lower end surface of the inner canister partition with it is described
The annular groove of the upper surface of inner tank body can closed circularize chamber, the annular chamber is built-in with sealing ring.Improve the gas of device
Close property.
In further embodiment, the cavity diameter of the inner canister is greater than 33.4mm, and the side of the cavity of the inner canister
It is the circular arc chamfering of 5~10mm that wall has diameter between the top plate and bottom plate of the cavity of the inner canister respectively.Avoid ball milling or mixing
Dead angle, while but also abrading-ball can sufficiently accelerate, improve grinding efficiency.In addition circular arc chamfering also makes inner canister cavity more easily clear
It washes, abrasive material will not be remained at dead angle, mixed after preventing abrasive material from remaining with the material of grinding next time, lead to abrasive material cross contamination.
In further embodiment, the top and bottom of the inner canister is provided with the insertion groove, and the outer tank includes
Outer cover and outer tank body, the base of the outer cover and the tank bottom inner wall of outer tank body are equipped with the convex block.Outer tank is only led to inner canister
It crosses convex block to connect with insertion groove, other positions reduce not in contact with making noise caused by inner canister ball milling significantly be decayed
Noise pollution when ball mill work.
In further embodiment, the slot bottom of the fixing groove is provided with step groove, and the slot diameter of the step groove is less than institute
State the slot diameter of fixing groove.Guarantee the rotation of rolling bearing.
In further embodiment, the inner ring solder bond of the metal plate and the rolling bearing, the rolling bearing
Outer ring and the fixing groove cell wall weld.
In further embodiment, the insertion groove is polygon groove.
It further include locating bar in further embodiment, the inner canister further includes interior cover, the upper surface of the interior cover
It is provided with through-hole, the outer cover is provided with location hole, is arranged on the metal plate in the insertion groove at the top of inner canister limited
Position hole, the locating bar can sequentially pass through the through-hole, location hole is inserted into the limit hole.Convenient for outer tank and inner canister positioning with
Assembly.
In further embodiment, the inner wall of the interior cover is connect with the outer wall thread of the inner tank body, the outer tank
The inner wall of lid is connect with the outer wall thread of the outer tank body, and the outer wall of the outer wall of the interior cover and outer cover is provided with flower
Line.By decorative pattern increasing friction force, tightening or unscrew convenient for inside and outside cover.
Compared with prior art, beneficial effects of the present invention:
1, this bilayer ball grinder passes through the relative rotation of inner canister and outer tank.So that inner canister can not have the case where external device
Under, the automatic rotary motion realized around the double-deck ball grinder axis, to increase a rotary motion again.So that material is mixed after ball milling
Conjunction is more abundant, and more efficient, gained powder size is more evenly.
2, this bilayer ball grinder avoids ball milling or mixing dead angle by circular arc chamfering, while but also abrading-ball can sufficiently add
Speed improves grinding efficiency.In addition circular arc chamfering also makes inner canister cavity be easier to clean, and will not remain abrasive material at dead angle, prevent
It is mixed after abrasive material residual with the material of grinding next time, leads to abrasive material cross contamination.
3, this bilayer ball grinder passes through the cooperation of insertion groove and convex block, both can ensure that rolling bearing inner ring fortune synchronous with outer tank
It is dynamic, in turn, ensure that inner canister assembles convenience.It only needs convex block being inserted into insertion groove, covers tightly outer cover, inner canister and outer can be completed
The assembly of tank.
4, this bilayer ball grinder is by decorative pattern increasing friction force, tightening or unscrew convenient for inside and outside cover.
5, this bilayer ball grinder outer tank only passes through convex block with inner canister and connect with insertion groove, and other positions are not in contact in making
Noise caused by tank ball milling is significantly decayed, and noise pollution when ball mill work is reduced.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of the double-deck ball grinder provided in an embodiment of the present invention.
Description of symbols in figure
Outer tank 1, outer cover 101, outer tank body 102, inner canister 2, interior cover 201, inner canister partition 202, inner tank body 203, insertion
Slot 3, rolling bearing 4, metal plate 5, annular groove 6, convex block 7, step groove 8, circular arc chamfering 9, locating bar 10, through-hole 11, location hole
12, limit hole 13, fixing groove 14.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present embodiment schematically discloses a kind of double-deck ball grinder, including outer tank 1 and inner canister 2, inner canister 2
It is sheathed in 1 tank of outer tank, and inner canister 2 can be relatively rotated with the outer tank 1.As a kind of specific embodiment, set in inner canister 2
It is equipped with fixing groove 14, fixing groove 14 is embedded with rolling bearing 4, and the inner ring of rolling bearing 4 is provided with metal plate 5, sets on metal plate 5
It is equipped with insertion groove 3, the inner wall of outer tank 1 is provided with the convex block 7 for being inserted into insertion groove 3, and the height of convex block 7 is greater than the depth of insertion groove
Degree.Outer tank is moved synchronously with rolling bearing holding.Preferably, use outer diameter for 30mm in this programme, internal diameter is the zanjon of 17mm
Ball bearing.Of course, in the case where guaranteeing that inner canister 2 and outer tank 1 relatively rotate, it can also be using other rollings in the prior art
Dynamic bearing 4.It is inserted into 3 slot of insertion groove by convex block 7, outer tank 1 is fixed because of external clamping, thus connect with convex block 7
Metal plate 5, and it is fixed with the inner ring of the welding of metal plate 5 or the rolling bearing 4 being interference fitted.When external clamping is in ball mill
When middle rotation or lagging motion, abrading-ball and material in inner canister move therewith.The shock of abrading-ball and inner canister, in rolling bearing 4
Under limitation, the rotation of the outer ring of inner canister and rolling bearing 4 is driven, so that the relative rotation for forming inner canister and outer tank rotates.But hold
It is intelligible, the velocity of rotation of the outer ring of rolling bearing 4 and inner ring according to Ball Transmission efficiency have it is certain successively decrease so that outer ring
It is inconsistent with the velocity of rotation of inner ring, and because the height of convex block 7 is greater than the depth of insertion groove 3 so that outer tank 1 and inner canister 2 its
His position is not in contact with finally realizing the relative rotation of inner canister 2 Yu outer tank 1, so that inner canister 2 can be in the feelings of not external device
Under condition, the automatic rotary motion realized around ball grinder axis, to increase a rotary motion again.For example, in uniaxial ball mill
Above in application, ball mill drives outer tank 1 and inner canister 2 to rotate, inner canister 2 and the relative rotation of outer tank 1 are, it can be achieved that double rotation ball milling；
Similarly in application, triple rotation ball millings can be realized on planetary ball mill.This makes material after ball milling more fully mixed, efficiency
Higher, gained powder size is more evenly.
Simultaneously in the present solution, the top and bottom of inner canister is provided with the insertion groove 3, outer tank 1 includes outer cover 101
With outer tank body 102.The base of outer cover 101 and the tank bottom inner wall of outer tank body 102 are equipped with the convex block 7, by insertion groove and
The cooperation of convex block both can ensure that rolling bearing inner ring was moved synchronously with outer tank, in turn, ensure that inner canister assembles convenience, insertion groove
It may be configured as through-hole, when design need to avoid pillar from touching fixing groove bottom after the sealing of interior outer tank.And outer tank is only led to inner canister
It crosses convex block to connect with insertion groove, does not need other fixed devices, the other positions of outer tank and inner canister are not in contact with making inner canister
Noise caused by ball milling is significantly decayed, and noise pollution when ball mill work is reduced.It only needs for be inserted into convex block
Enter slot, cover tightly outer cover, the assembly of inner canister and outer tank can be completed.
In further embodiment, in order to ensure rolling bearing 4 can rotate, the slot bottom of fixing groove 14 is provided with step groove
8, the slot diameter of the step groove 8 is less than the slot diameter of the fixing groove 14.Preferably, the depth of the step groove 8 in this programme is
1mm.It is readily comprehensible, in the case where guaranteeing the rotary situation of rolling bearing, the groove depth of step groove 8 is not limited.Metal plate 5 simultaneously
With the inner ring solder bond of rolling bearing 4, the cell wall solder bond of the outer ring of rolling bearing 4 and the fixing groove 14.Of course,
In the case where guaranteeing that metal plate 5 and inner ring, inner canister partition and inner tank body and outer ring can distinguish integrated motion, can also use
Other combinations in the prior art, for example be interference fitted.
In addition, the insertion groove in this programme is polygon groove, as a kind of specific embodiment, inserting in this programme
Entering slot 3 is rectangular channel, is prevented in the course of rotation, and insertion groove 3 and convex block 7 generate sliding.It is readily comprehensible, it is whole in ball grinder
When body moves, in the case where guaranteeing that insertion groove 3 and convex block 7 opposite will not slide, the shape of insertion groove is not limited, is also possible to
Triangle, diamond shape etc..
And in the present embodiment, the cavity diameter of inner canister 2 is greater than 33.4mm, and the side wall of the cavity of the inner canister 2 point
Not having diameter between the top plate and bottom plate of the cavity of the inner canister 2 is the circular arc chamfering 9 of 5~10mm.The design of this circular arc chamfering 9,
Ball milling or mixing dead angle are avoided, while but also abrading-ball can sufficiently accelerate, improving grinding efficiency.In addition circular arc chamfering 9 also makes
2 cavity of inner canister is easier to clean, and will not remain abrasive material at dead angle, mixes after preventing abrasive material from remaining with the material of grinding next time,
Lead to abrasive material cross contamination.
It meanwhile in the present embodiment, further include locating bar 10, outer tank 1 includes outer cover 101, is provided on outer cover 101
Through-hole 11, interior cover 201 are provided with location hole 12, are arranged on the metal plate 5 in the insertion groove 3 at the top of inner canister 2 limited
Position hole 13, locating bar 10 can be inserted into the limit hole 13 through the through-hole 11, location hole 12.When installing outer cover 101, first
Locating bar 10 is sequentially inserted into the through-hole 11 of outer cover 101, the location hole 12 of interior cover 201, then locating bar 10 is inserted into inner canister 2
Top insertion groove 3 in metal plate 5 on limit hole 13, then after outer cover 101 is tightened with outer tank body 102, it is fixed to take out
Position stick 10.By the temporary fit of locating bar 10, realize that outer 201 convex block of cover is properly positioned with insertion groove 3 in inner canister
In addition, in order to keep the air-tightness of inner canister 1, as a kind of embodiment preferably, inner canister 2 further includes inner canister
Partition 202 and inner tank body 203, the lower end surface of inner canister partition 202 are provided with annular groove 6, and the upper surface of inner tank body 203 is provided with ring
Shape slot 6, the annular groove 6 of the annular groove 6 of the lower end surface of inner canister partition 202 and the upper surface of inner tank body 103 can closed circularize
Chamber, annular chamber are built-in with sealing ring, improve the air-tightness of inner canister.And the inner wall of interior cover 201 and inner tank body 203 in this programme
Outer wall thread connection, the inner wall of outer cover 101 connect with the outer wall thread of outer tank body 102, and the outer wall of interior cover 201 with outside
The outer wall of cover 101 is provided with decorative pattern.By decorative pattern increasing friction force, outer cover is conveniently tightened or unscrewed.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.
Claims (10)
1. a kind of bilayer ball grinder, which is characterized in that including inner canister and outer tank, the inner canister is sheathed in the outer tank tank, institute
Stating inner canister and the outer tank can relatively rotate.
2. bilayer ball grinder according to claim 1, which is characterized in that fixing groove is provided in the inner canister, it is described solid
Determine slot and be embedded with rolling bearing, the inner ring of the rolling bearing is provided with metal plate, and insertion groove, institute are provided on the metal plate
The inner wall for stating outer tank is provided with convex block for being inserted into the insertion groove, and the height of the convex block is greater than the depth of the insertion groove
Degree.
3. bilayer ball grinder according to claim 1, which is characterized in that the inner canister includes inner canister partition and inner tank body,
The lower end surface of the inner canister partition is provided with annular groove, and the upper surface of the inner tank body is provided with annular groove, the inner canister partition
Lower end surface annular groove and the inner tank body upper surface annular groove can closed circularize chamber, the annular chamber is built-in with
Sealing ring.
4. bilayer ball grinder according to claim 1, which is characterized in that the cavity diameter of the inner canister is greater than 33.4mm,
And it is the circle of 5~10mm that the side wall of the cavity of the inner canister has diameter between the top plate and bottom plate of the cavity of the inner canister respectively
Arc chamfering.
5. bilayer ball grinder according to claim 2, which is characterized in that the top and bottom of the inner canister is respectively provided with
Insertion groove is stated, the outer tank includes outer cover and outer tank body, and the base of the outer cover and the tank bottom inner wall of outer tank body are equipped with institute
State convex block.
6. bilayer ball grinder according to claim 2, which is characterized in that the slot bottom of the fixing groove is provided with step groove,
The diameter of the step groove is less than the diameter of the fixing groove.
7. bilayer ball grinder according to claim 2, which is characterized in that the inner ring of the metal plate and the rolling bearing
Interference fit or solder bond can be led to, the outer ring of the rolling bearing and the cell wall of the fixing groove can lead to interference fit or welding
In conjunction with.
8. bilayer ball grinder according to claim 2, which is characterized in that the insertion groove is polygon groove.
9. bilayer ball grinder according to claim 5, which is characterized in that further include locating bar；The inner canister further includes interior
Cover, the upper surface of the interior cover are provided with through-hole, and the outer cover is provided with location hole, the insertion positioned at the top of inner canister
Limit hole is provided on metal plate in slot, the locating bar can sequentially pass through the through-hole, location hole is inserted into the limit hole.
10. bilayer ball grinder according to claim 9, which is characterized in that the inner wall of the interior cover and the inner tank body
Outer wall thread connection, the inner wall of the outer cover is connect with the outer wall thread of the outer tank body, and the outer wall of the interior cover
Decorative pattern is provided with the outer wall of outer cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910422087.4A CN110142107B (en) | 2019-05-21 | 2019-05-21 | Double-deck ball-milling jar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910422087.4A CN110142107B (en) | 2019-05-21 | 2019-05-21 | Double-deck ball-milling jar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110142107A true CN110142107A (en) | 2019-08-20 |
| CN110142107B CN110142107B (en) | 2024-03-29 |
Family
ID=67592453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910422087.4A Active CN110142107B (en) | 2019-05-21 | 2019-05-21 | Double-deck ball-milling jar |
Country Status (1)
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| CN (1) | CN110142107B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114653437A (en) * | 2022-02-28 | 2022-06-24 | 寿县中能新材料科技有限公司 | Double-layer ball-milling equipment for processing high-purity quartz sand |
| CN116493096A (en) * | 2023-04-26 | 2023-07-28 | 邹平伟佳新型材料科技有限公司 | Cooling device and method for ball mill |
| CN117960317A (en) * | 2024-04-01 | 2024-05-03 | 西华大学 | Turnover vibration type grinding device and method |
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| CN116493096B (en) * | 2023-04-26 | 2023-09-19 | 邹平伟佳新型材料科技有限公司 | Cooling device and method for ball mill |
| CN117960317A (en) * | 2024-04-01 | 2024-05-03 | 西华大学 | Turnover vibration type grinding device and method |
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