CN114309626B - Powder metallurgy uses high-efficient ball mill - Google Patents
Powder metallurgy uses high-efficient ball mill Download PDFInfo
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- CN114309626B CN114309626B CN202210035395.3A CN202210035395A CN114309626B CN 114309626 B CN114309626 B CN 114309626B CN 202210035395 A CN202210035395 A CN 202210035395A CN 114309626 B CN114309626 B CN 114309626B
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Abstract
The invention discloses a high-efficiency ball mill for powder metallurgy, which comprises an operation main body, wherein the operation main body comprises a connecting support piece, a driving assembly arranged on the outer side of the connecting support piece and a ball milling assembly arranged in the connecting support piece, the ball milling assembly comprises a charging barrel mechanism and is arranged in the connecting support piece, and the invention relates to the technical field of powder metallurgy. This a powder metallurgy uses high-efficient ball mill, can solve prior art effectively, adorn at the inside broken medium of barrel and the material that constantly gets into the barrel, under centrifugal force and frictional force, fall or roll down along with the barrel rotates and breaks away from the barrel inner wall when reaching a take the altitude, the material is hit the bits of broken glass and continues to operate in the ball mill under the impact force effect, the mutual slip of broken medium grinds the material, however, the fineness of broken medium size decision ejection of compact, the broken medium that current ball mill is equipped with is all invariable, low grinding efficiency, be difficult to further improve the problem of ejection of compact fineness.
Description
Technical Field
The invention relates to the technical field of powder metallurgy, in particular to a high-efficiency ball mill for powder metallurgy.
Background
Powder metallurgy is a process technique for producing metal powder or metal powder (or a mixture of metal powder and nonmetal powder) as a raw material, and then forming and sintering the raw material to produce metal materials, composite materials and various products. The powder metallurgy method has similar places to the production of ceramics and belongs to the powder sintering technology, so a series of new powder metallurgy technologies can also be used for preparing ceramic materials. Due to the advantages of the powder metallurgy technology, the powder metallurgy technology becomes a key for solving the problem of new materials, and plays a significant role in the development of the new materials.
The ball mill mainly comprises a cylinder, a hollow shaft, a large gear, a small gear, a speed reducer, a motor and the like, wherein the cylinder continuously rotates, crushing media arranged in the cylinder and materials continuously entering the cylinder are thrown off the inner wall of the cylinder and fall or roll down when the gravity of the cylinder is greater than the centrifugal force under the action of the centrifugal force and the friction force, the materials are crushed and continuously run in the ball mill under the action of the impact force, the mutual sliding of the crushing media grinds the materials, however, the size of the crushing media determines the fineness of discharged materials, the smaller the crushing media, the thinner the discharged materials, the larger the crushing media, the coarser the discharged materials, the constant crushing media equipped in the existing ball mill are difficult to further improve the fineness of the discharged materials, and the materials are only ground through the mutual sliding of the crushing media, so that the grinding efficiency of the ball mill is very low.
Disclosure of Invention
Solves the technical problem
Aiming at the defects in the prior art, the invention provides a high-efficiency ball mill for powder metallurgy, which can effectively solve the problems that crushing media filled in a cylinder and materials continuously entering the cylinder are thrown off or roll down from the inner wall of the cylinder when the cylinder rotates to reach a certain height under the action of centrifugal force and friction force, the materials are crushed under the action of impact force and continue to run in the ball mill, the crushing media slide mutually to grind the materials, the size of the crushing media determines the fineness of discharged materials, the crushing media equipped in the existing ball mill are constant, the grinding efficiency is low, and the fineness of discharged materials is difficult to further improve.
Technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
the invention provides a high-efficiency ball mill for powder metallurgy, which comprises:
the operation body comprises a connecting branch piece and a driving component arranged on the outer side of the connecting branch piece;
the setting is in connect the inside ball-milling subassembly of a branch spare, the ball-milling subassembly includes:
the charging barrel mechanism is arranged inside the connecting support and is used for crushing and grinding materials;
and the transmission mechanism is connected with the charging barrel mechanism and is used for driving the rotation direction of the charging barrel mechanism.
Further, drive assembly includes driving motor, driving motor outside transmission is connected with the reduction gear, drive mechanism includes the pinion, the pinion outside is rotated and is installed the fixing base, the fixing base outside with be connected a piece outside fixed connection, reduction gear is inside through pivot and the inside fixed connection of pinion.
Furthermore, the small gear is connected with a large gear in a meshing manner through teeth arranged on the outer side of the small gear, and the large gear is sleeved on the outer side of the ball milling component.
Further, the charging barrel mechanism comprises a barrel body, the outer side of the barrel body is fixedly connected with the inner side of the large gear, hollow shafts are respectively connected to the two ends of the barrel body through bolt groups in a threaded mode, and the outer sides of the hollow shafts and the inner portion of the connecting support piece can be disassembled, rotated and installed.
Further, the fixed intercommunication of cylinder body one end of keeping away from the gear wheel has the filter, the filter is located between cylinder body and the hollow shaft.
Furthermore, a fastening groove is formed in the cylinder, the inner wall of the fastening groove is closely attached with the crushing part, and the cylinder is connected with the inner threads of the crushing part through a plurality of groups of micro bolts arranged on the circumferential side face of the cylinder.
Furthermore, the crushing part comprises a sealing barrel, the sealing barrel is matched with the inner walls of the fastening grooves through a plurality of groups of fastening blocks arranged on the outer side of the sealing barrel, a plurality of groups of crushing grooves are formed in the sealing barrel, grinding blocks are arranged between adjacent crushing grooves, a plurality of bending plates are arranged on the inner walls of the crushing grooves at equal intervals, and the grinding barrel is arranged inside the sealing barrel.
Furthermore, the grinding block and the bent plate are both made of spring steel plates, and the grinding block is designed to be T-shaped.
Furthermore, a plurality of groups of grinding grooves are formed in the outer side of the grinding barrel, the inner wall of each grinding groove is matched with the outer side of the grinding block, the outer side of the bent plate is tightly attached to the outer side of the grinding barrel, and a plurality of groups of grinding holes are formed in the grinding barrel.
Further, be provided with a plurality of groups between the adjacent grinding groove and grind the piece, it is a plurality of roll the piece outside and grinding barrel outside fixed connection, it is a plurality of roll piece evenly distributed in the bent plate both sides, the inside broken medium that is provided with a plurality of groups variation in size of grinding barrel, broken medium diameter is far greater than grinding hole diameter.
Advantageous effects
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
(1) The grinding device is provided with a crushing medium, the diameter of the crushing medium is far larger than that of a grinding hole, the crushing medium adopts steel balls with different diameters, and the grinding hole increases the friction force of the grinding barrel on the steel balls. Under the action of centrifugal force and friction force of the grinding barrel, when the barrel rotates to reach a certain height and the gravity of the barrel is greater than the centrifugal force, the barrel is separated from the inner wall of the grinding barrel to be thrown and fall or roll down, materials are crushed under the action of impact force and continuously run in the grinding barrel and flow into the crushing grooves through the grinding holes, a small part of the materials are crushed under the mutual sliding action force of the steel balls, and the steel balls play roles of crushing and crushing. And meanwhile, the falling or rolling steel balls are thrown, and the materials clamped in the grinding holes are collided and crushed, so that the grinding holes are prevented from being blocked. The grinding barrel continuously receives the impact force action of the steel ball on the right lower side, so that the grinding groove and the grinding block in the grinding barrel slide back and forth relatively, the gap between the grinding barrel and the sealing barrel continuously changes, and small materials entering the crushing groove are continuously rolled and crushed through the grinding block. The material that is rolled kibbling gets into the grinding groove, is ground by the grinding piece round trip, greatly improves the ejection of compact fineness of material, rolls the piece and lasts to roll under the effect, and the cooperation grinding piece is made a round trip to grind, improves grinding efficiency greatly. The steel ball casts whereabouts or rolls down, strikes the grinding barrel and produces the vibration, makes between the piece that rolls, the piece outside of grinding and grind being stained with on the inslot wall and glue the material and break away from fast, keeps between the piece that rolls, the cleanliness factor of the piece outside of grinding and grinding inslot wall, improves grinding efficiency.
(2) The grinding barrel in the crushing part is influenced by self gravity along with the continuous rotation of the crushing part, and continuously slides and extrudes in the sealing barrel relatively, so that the sealing barrel continuously rotates. Between little material gets into the broken groove through grinding the hole, sealed bucket passes through the grinding piece and drives the grinding bucket rotation, and the grinding bucket lasts the impulsive force effect that receives the steel ball below right simultaneously, makes the relative slip that makes a round trip between grinding groove and the grinding piece in the grinding bucket, and the clearance between grinding bucket and the sealed bucket continuously changes simultaneously, and little material is continuously rolled through the grinding piece and is smashed between getting into the broken groove. The material that is rolled kibbling gets into the grinding groove, is ground by the grinding piece round trip, greatly improves the ejection of compact fineness of material, rolls the piece and lasts to roll under the effect, and the cooperation grinding piece is made a round trip to grind, improves grinding efficiency greatly. Compare traditional single ball-milling, when grinding different materials, on the basis of the first breakage of broken medium and rolling, further accelerate the grinding through crushing portion, obtain even unanimous meticulous material, reduce the unicity dependence to broken medium, even single broken medium, also can obtain meticulous material, save the trouble of changing broken medium.
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 invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic perspective view of the cartridge mechanism of the present invention;
FIG. 4 is a front view of the cartridge mechanism of the present invention;
FIG. 5 is an enlarged, fragmentary, schematic structural view taken at A in FIG. 4 in accordance with the present invention;
FIG. 6 is a perspective structural view of the cartridge mechanism of the present invention;
FIG. 7 is an enlarged, fragmentary, schematic structural view taken at B of FIG. 6 in accordance with the present invention;
FIG. 8 is a schematic structural view of the three-dimensional separation of the barrel and the crushing medium according to the present invention;
fig. 9 is an enlarged partial structural view of the invention at C in fig. 8.
The reference numerals in the drawings denote: 1. an operation body; 11. connecting the branch pieces; 12. a drive assembly; 121. a drive motor; 122. a speed reducer; 2. a cartridge mechanism; 21. a barrel; 22. a bolt group; 23. a hollow shaft; 24. a filter plate; 25. a fastening groove; 26. a crushing section; 260. crushing the medium; 261. sealing the barrel; 262. a fastening block; 263. a crushing tank; 264. grinding blocks; 265. bending a plate; 266. a grinding barrel; 267. a grinding groove; 268. grinding the hole; 269. grinding and briquetting; 27. a miniature bolt; 3. a ball milling assembly; 4. a transmission mechanism; 41. a pinion gear; 42. a fixed seat; 43. and a gearwheel.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all 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 invention.
The present invention will be further described with reference to the following examples.
Example (b):
referring to fig. 1-9, the present invention provides a technical solution: a high-efficiency ball mill for powder metallurgy comprises:
an operation body 1, the operation body 1 including a connection support 11, a drive assembly 12 disposed outside the connection support 11;
ball-milling subassembly 3 of setting in connecting the inside of a piece 11, ball-milling subassembly 3 includes:
the charging barrel mechanism 2 is arranged inside the connecting support 11 and used for crushing and grinding materials;
and the transmission mechanism 4 is connected with the material cylinder mechanism 2, and the transmission mechanism 4 is used for driving the rotation direction of the material cylinder mechanism 2.
The driving assembly 12 comprises a driving motor 121, a speed reducer 122 is connected to the outer side of the driving motor 121 in a transmission mode, the transmission mechanism 4 comprises a pinion 41, a fixed seat 42 is installed on the outer side of the pinion 41 in a rotating mode, the outer side of the fixed seat 42 is fixedly connected with the outer side of the connecting support 11, and the inside of the speed reducer 122 is fixedly connected with the inside of the pinion 41 through a rotating shaft.
The pinion 41 is connected with a gearwheel 43 through the meshing of teeth arranged on the outer side of the pinion 41, the gearwheel 43 is sleeved on the outer side of the ball milling component 3, and the gearwheel 43 is matched with the speed reducer 122 to play a role in speed reduction and provide larger torque, thereby being beneficial to the stable rotation of the charging barrel mechanism 2.
The charging barrel mechanism 2 comprises a barrel body 21, the outer side of the barrel body 21 is fixedly connected with the inner side of a large gear 43, two ends of the barrel body 21 are respectively in threaded connection with a hollow shaft 23 through bolt groups 22, so that materials can conveniently enter and flow out, and the outer side of the hollow shaft 23 and the inner part of a connecting support piece 11 can be detachably, rotatably and fixedly arranged.
The end, far away from the big gear 43, of the cylinder 21 is fixedly communicated with a filter plate 24 for screening materials, separating broken media and facilitating subsequent discharging, and the filter plate 24 is positioned between the cylinder 21 and the hollow shaft 23.
Fastening groove 25 has been seted up to barrel 21 inside, and fastening groove 25 inner wall closely pastes crushing portion 26, and fastening groove 25 is to crushing portion 26 block fixed action, and the stability of increase crushing portion 26, barrel 21 are through setting up at the miniature bolt 27 of a plurality of groups of its circumference side and crushing portion 26 internal thread connection, further die the lock fixed crushing portion 26, make the steady rotation of crushing portion 26.
The crushing part 26 comprises a sealing barrel 261, the sealing barrel 261 is matched with the inner wall of the fastening groove 25 through a plurality of groups of fastening blocks 262 arranged on the outer side of the sealing barrel 261, a plurality of groups of crushing grooves 263 are formed in the sealing barrel 261, the subsequent materials are conveniently rolled and crushed, a grinding block 264 is arranged between every two adjacent crushing grooves 263, bent plates 265 are arranged on the inner walls of the crushing grooves 263 at equal intervals, and a grinding barrel 266 is arranged inside the sealing barrel 261.
The grinding block 264 and the bent plate 265 are both made of spring steel plates, the grinding block 264 is designed to be T-shaped, the grinding area is increased, the grinding speed is accelerated, and the material separation is facilitated.
A plurality of groups of grinding grooves 267 are formed in the outer side of the grinding barrel 266, the inner walls of the grinding grooves 267 are matched with the outer side of the grinding block 264, the outer side of the bent plate 265 is tightly attached to the outer side of the grinding barrel 266, the bent plate 265 is made of a spring steel plate, the grinding barrel 266 is buffered and denoised, a certain gap is formed between the sealing barrel 261 and the grinding barrel 266, the friction resistance between the grinding block 264 and the grinding grooves 267 is reduced, and the grinding speed is accelerated. A plurality of groups of grinding holes 268 are formed in the grinding barrel 266, so that the materials can be conveniently exchanged and flow, and meanwhile, the grinding holes 268 increase the friction force of the grinding barrel 266 on the steel balls.
Be provided with a plurality of groups of grinding block 269 between adjacent grinding groove 267, a plurality of grinding block 269 outsides and grinding barrel 266 outside fixed connection, a plurality of grinding block 269 evenly distributed are in bent plate 265 both sides, grinding barrel 266 is inside to be provided with the broken medium 260 of a plurality of groups variation in size, grinding barrel 266 continuously receives the impact force effect of steel ball right below, make round trip relative slip between grinding groove 267 and the grinding block 264 in grinding barrel 266, the clearance between grinding barrel 266 and the sealed bucket 261 lasts changes simultaneously, little material lasts through grinding block 269 to getting into between the broken groove 263 and rolls crushing. The crushed material enters the grinding groove 267 and is ground back and forth by the grinding block 264, so that the discharging fineness of the material is greatly improved. The diameter of the crushing medium 260 is far larger than that of the grinding hole 268, under the action of centrifugal force and friction force of the grinding barrel 266, when the barrel rotates to reach a certain height, the gravity of the barrel is larger than the centrifugal force, the crushing medium is thrown off or rolls down from the inner wall of the grinding barrel 266, a small part of materials are crushed under the mutual sliding action force of the steel balls, and the steel balls perform crushing and crushing functions. Throw the steel ball that falls or roll down simultaneously, hit the block and smash in grinding hole 268 material collision, prevent that grinding hole 268 from being stifled. The steel ball is thrown and falls or rolls down, and impacts the grinding barrel 266 to generate vibration, so that sticky materials between the grinding blocks 269, on the outer side of the grinding block 264 and on the inner wall of the grinding groove 267 are quickly separated, the cleanliness of the grinding blocks 269, on the outer side of the grinding block 264 and on the inner wall of the grinding groove 267 is maintained, and the grinding efficiency is improved.
Referring to fig. 1-9, the material is slowly and continuously introduced into the grinding barrel 266 of the crushing part 26 through the hollow shaft 23 in the barrel mechanism 2, the driving motor 121 in the driving assembly 12 is started, the pinion 41 in the transmission mechanism 4 is driven to rotate through the speed reducer 122, the gear transmission big gear 43 rotates, the crushing part 26 and the barrel 21 are driven to synchronously rotate, the material entering the grinding barrel 266, and part of the smaller material flows into the crushing grooves 263 through the grinding holes 268, or stays in the grinding holes 268, and the grinding barrel 266 rotates as the grinding barrel 266 rotates and flows into the crushing grooves 263.
The grinding barrel 266 is internally provided with the crushing medium 260, the diameter of the crushing medium 260 is far larger than that of the grinding hole 268, the crushing medium 260 adopts steel balls with different diameters, and the grinding hole 268 increases the friction force of the grinding barrel 266 on the steel balls. Under the action of centrifugal force and friction force of the grinding barrel 266, when the barrel rotates to reach a certain height, when the gravity of the barrel is larger than the centrifugal force, the barrel breaks away from the inner wall of the grinding barrel 266 and drops or rolls, the materials are crushed under the action of impact force and continue to run in the grinding barrel 266, the materials flow into the crushing grooves 263 through the grinding holes 268, a small part of the materials are crushed under the mutual sliding action force of the steel balls, and the steel balls play roles of crushing and crushing. Throw the steel ball that falls or roll down simultaneously, hit the breakage to the block material collision in grinding hole 268, prevent that grinding hole 268 from being stifled, the steel ball provides continuous downward impact force to grinding bucket 266, the follow-up quick grinding of being convenient for.
Along with the continuous rotation of crushing portion 26, milling barrel 266 in crushing portion 26 receives self gravity influence, continuous relative sliding extrusion in sealed barrel 261, sealed barrel 261 continues to rotate, little material passes through grinding hole 268 and gets into between the broken groove 263, sealed barrel 261 drives milling barrel 266 through grinding block 264 and rotates, milling barrel 266 continues to receive the impact force effect of steel ball right side below simultaneously, make between grinding groove 267 in milling barrel 266 and the grinding block 264 make round trip relative sliding, the clearance between milling barrel 266 and the sealed barrel 261 continuously changes simultaneously, it is smashed through grinding block 269 to the little material that gets into between the broken groove 263 continuously rolls. The crushed material that is rolled gets into grinding groove 267, is ground back and forth by grinding piece 264, greatly improves the ejection of compact fineness of material, rolls piece 269 and continuously rolls under the effect, and the cooperation is ground back and forth with grinding piece 264, improves grinding efficiency greatly. Compare traditional single ball-milling, improve whole grinding efficiency, simultaneously when grinding different materials, on the basis of the first breakage of crushing medium 260 and rolling, further accelerate the grinding through crushing portion 26, obtain even unanimous meticulous material, reduce the unicity dependence to crushing medium 260, even single crushing medium 260, also can obtain meticulous material, save the trouble of changing crushing medium 260, commonality and practicality are strong.
The grinding blocks 269 continue to grind, the grinding blocks 264 grind back and forth in the grinding grooves 267, and some of the material adheres between the grinding blocks 269, outside the grinding blocks 264 and on the inner walls of the grinding grooves 267, and as the grinding bowl 266 rotates to the top, most of the ground fine material falls through the grinding holes 268. The steel ball is thrown and falls or rolls down, and impacts the grinding barrel 266 to generate vibration, so that sticky materials between the grinding blocks 269, on the outer side of the grinding block 264 and on the inner wall of the grinding groove 267 are quickly separated, the cleanliness of the grinding blocks 269, on the outer side of the grinding block 264 and on the inner wall of the grinding groove 267 is maintained, and the grinding efficiency is improved.
Grinding barrel 266 receives the impact, produces the extrusion force to bent plate 265, and bent plate 265 material is spring steel plate, plays the cushioning effect to grinding barrel 266, makes simultaneously to have certain clearance between sealed bucket 261 and the grinding barrel 266, reduces the frictional resistance between grinding block 264 and the grinding groove 267 for the rate of lapping.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not depart from the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.
Claims (2)
1. The utility model provides a powder metallurgy uses high-efficient ball mill which characterized in that includes:
the operation body comprises a connecting branch piece and a driving component arranged on the outer side of the connecting branch piece;
the setting is in connect the inside ball-milling subassembly of a spare, the ball-milling subassembly includes:
the charging barrel mechanism is arranged inside the connecting support and is used for crushing and grinding materials;
the transmission mechanism is connected with the charging barrel mechanism and is used for driving the rotation direction of the charging barrel mechanism;
the driving assembly comprises a driving motor, a speed reducer is connected to the outer side of the driving motor in a transmission mode, the transmission mechanism comprises a pinion, a fixed seat is rotatably mounted on the outer side of the pinion, the outer side of the fixed seat is fixedly connected with the outer side of the connecting support, and the interior of the speed reducer is fixedly connected with the interior of the pinion through a rotating shaft;
the small gear is connected with a large gear in a meshing manner through teeth arranged on the outer side of the small gear, and the large gear is sleeved on the outer side of the ball milling assembly;
the charging barrel mechanism comprises a barrel body, the outer side of the barrel body is fixedly connected with the inner side of the large gear, two ends of the barrel body are respectively in threaded connection with a hollow shaft through bolt groups, and the outer side of the hollow shaft and the inside of the connecting support piece are detachably and rotatably mounted;
one end of the cylinder body, which is far away from the big gear, is fixedly communicated with a filter plate, and the filter plate is positioned between the cylinder body and the hollow shaft;
a fastening groove is formed in the cylinder body, the inner wall of the fastening groove is tightly attached with the crushing part, and the cylinder body is in threaded connection with the inside of the crushing part through a plurality of groups of micro bolts arranged on the circumferential side surface of the cylinder body;
the crushing part comprises a sealing barrel, the sealing barrel is matched with the inner walls of the fastening grooves through a plurality of groups of fastening blocks arranged on the outer side of the sealing barrel, the sealing barrel is provided with a plurality of groups of crushing grooves, grinding blocks are arranged between adjacent crushing grooves, bent plates are arranged on the inner walls of the crushing grooves at equal intervals, and the grinding barrel is arranged in the sealing barrel;
the outer side of the grinding barrel is provided with a plurality of groups of grinding grooves, the inner walls of the plurality of grinding grooves are matched with the outer sides of the grinding blocks, the outer sides of the bent plates are tightly attached to the outer side of the grinding barrel, and a plurality of groups of grinding holes are formed in the grinding barrel;
be provided with a plurality of groups between the adjacent grinding groove and grind the piece, it is a plurality of roll the piece outside and grinding vessel outside fixed connection, it is a plurality of roll piece evenly distributed in the bent plate both sides, the inside broken medium that is provided with a plurality of groups variation in size of grinding vessel, broken medium diameter is greater than grinding hole diameter.
2. The high-efficiency ball mill for powder metallurgy according to claim 1, characterized in that: the grinding block and the bent plate are made of spring steel plates, and the grinding block is designed to be T-shaped.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210035395.3A CN114309626B (en) | 2022-01-13 | 2022-01-13 | Powder metallurgy uses high-efficient ball mill |
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| CN202210035395.3A CN114309626B (en) | 2022-01-13 | 2022-01-13 | Powder metallurgy uses high-efficient ball mill |
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| CN114309626B true CN114309626B (en) | 2023-02-07 |
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| CN117483770B (en) * | 2023-12-29 | 2024-04-19 | 山西富盛镁业有限公司 | Superfine spherical magnesium powder production device and preparation method |
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| CN111420761B (en) * | 2020-04-03 | 2021-08-10 | 山东澳海石油新材料有限公司 | Ball mill |
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| AU4527300A (en) * | 1999-05-21 | 2000-12-12 | Mineral Process Control (Mpc) Pty Ltd | Ball mill |
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