CN110681867A - Vacuum ball mill for preparing firework aluminum powder - Google Patents
Vacuum ball mill for preparing firework aluminum powder Download PDFInfo
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- CN110681867A CN110681867A CN201911131970.4A CN201911131970A CN110681867A CN 110681867 A CN110681867 A CN 110681867A CN 201911131970 A CN201911131970 A CN 201911131970A CN 110681867 A CN110681867 A CN 110681867A
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- hole
- concentric shaft
- ball mill
- aluminum powder
- vacuum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/043—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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Abstract
The invention provides a vacuum ball mill for preparing firework aluminum powder, which comprises a barrel-shaped mill body, a mounting seat and a driving motor, wherein concentric shafts are respectively arranged at two ends of the mill body and are fixedly arranged on the mounting seat through bearings, a belt pulley is arranged at one end of the mill body and is connected with the driving motor through a belt, through holes communicated with the interior of the mill body are arranged on the concentric shafts, the concentric shafts comprise a left concentric shaft and a right concentric shaft, the through holes are arranged corresponding to the concentric shafts, each through hole comprises a left through hole and a right through hole, an observation window is arranged in each left through hole, and each right through hole is connected with a vacuum pump through a pipeline. This scheme is effectual has improved efficiency and quality to aluminium raw and other materials production, the effectual facility that improves the operation, can effectually prevent that the ground paste after the ball-milling from by the oxidation, the effectual loss that reduces the energy, the batch production of being convenient for.
Description
Technical Field
The invention relates to a firework aluminum powder production device, in particular to a vacuum ball mill for preparing firework aluminum powder.
Background
The ball mill is a key device for crushing materials after the materials are crushed, and the ore mill is of the type that a certain amount of steel balls are filled in a cylinder body of the ore mill to serve as grinding media.
The aluminium powder is as the important ingredient in the fireworks is prepared, aluminium powder production is with ball mill in the in-process of production because ball mill self need move, long-time work can lead to ball mill self high temperature, can lead to the work efficiency of ball mill to become low like this, and can influence the life of ball mill, current ball mill cooling device design is all comparatively complicated, the very trouble of operation, use cost is higher relatively, can bring higher use cost, can increase the economic burden of enterprise in the production process of reality, simultaneously make the ground paste oxidation after the ball milling easily at the in-process of ball milling.
Patent No. CN205980830U discloses a vacuum ball mill, the pivot of ball mill one side is the hollow tubular axle, and the one end of hollow tubular axle is linked together with the inside of ball mill, and the other end external vacuum pump of hollow tubular axle, and install sealed bearing with the junction of vacuum pump. The invention can realize the spreading, grinding and polishing of aluminum powder in a vacuum environment, thereby obviously slowing down the phenomenon of surface oxidation and blackening of the aluminum paste, improving the whiteness and brightness of the aluminum paste and further improving the product quality. However, the device has limited ball milling efficiency on the aluminum raw material, slurry influences the ball milling effect when the ball milling reaches a certain degree, and the ball milling time is long.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the vacuum ball mill for preparing the aluminum powder of the fireworks, which improves the ball milling effect and efficiency, is convenient to prevent slurry from being oxidized, is safe to produce and is convenient to produce in batches.
The technical scheme of the invention is as follows: the utility model provides a vacuum ball mill that preparation fireworks aluminite powder was used, includes tubbiness mill body, mount pad and driving motor, and the mill body both ends are equipped with the concentric shaft respectively, and the concentric shaft passes through the bearing installation to be fixed on the mount pad, and the one end of the mill body is equipped with the belt pulley, and the belt pulley passes through the belt to be connected with driving motor, and the concentric shaft is equipped with and grinds the communicating through-hole of internal portion, the concentric shaft includes left concentric shaft and right concentric shaft, and the through-hole corresponds the concentric shaft setting simultaneously, and the through-hole includes left through-hole and right through-hole, sets up the observation window in the left through-hole.
Preferably, the grinding body is provided with a feed inlet, the edge of the feed inlet is provided with a sealing cover and a slurry extraction cover, the sealing cover and the slurry extraction cover are oppositely arranged, and the sealing cover and the slurry extraction cover can be alternately covered on the feed inlet when in use. The slurry is convenient to discharge, and the ball milling efficiency is improved.
The advantage of this scheme lies in, the ground paste after can effectual reduction ball-milling contacts with the air, avoids the ground paste oxidation, the effectual ball-milling quality that has improved, the effect of observation ball-milling that simultaneously can be timely, be convenient for control the time of ball-milling and be convenient for in time discharge the good ground paste of ball-milling, be favorable to subsequent ball-milling effect more, prevent that the ground paste from influencing ball-milling efficiency, effectual machining efficiency and the production quality of having improved, the batch production of being convenient for.
Further, the inner diameter of the left through hole is 3-15cm, and the wall thickness of the right concentric shaft is 2-30 mm; a screen is arranged in the right through hole. Preferably, the inner diameter of the left through hole is 3-10cm, and the wall thickness of the right concentric shaft is 2-20 mm; more preferably, the inner diameter of the left through hole is 10cm, and the wall thickness of the right concentric shaft is 15 mm. The condition of tube ball-milling is convenient for, and the vacuum extraction is convenient for simultaneously.
Furthermore, the power of the vacuum pump is that the vacuum pump is a double-stage rotary vane mechanical pump, the pumping speed is 1-20L/s, and the limit pressure is 4 multiplied by 10-2Pa. Preferably, the pumping speed of the vacuum pump is 1-10L/s; more preferably, the evacuation rate of the vacuum pump is 10L/s.
Furthermore, one end of the pipeline is connected with the right concentric shaft, and the other end of the pipeline is provided with a three-way connector; the grinding body is internally provided with a ball milling medium which is a steel ball.
Preferably, be equipped with first valve and second valve on the tee bend, the setting of tee bend interface can be convenient for control ball-milling auxiliary agent's interpolation, perhaps the interpolation of washing liquid, the improvement of the ball-milling effect of being convenient for.
Furthermore, the mounting seat is trapezoidal, the lower end of the mounting seat is fixedly mounted on the ground or the rack through bolts, and the upper end of the mounting seat is provided with a bearing fixing seat.
Further, the bearing fixing seat comprises a fixing plate and an arc fixing part, the arc fixing part is welded on the fixing plate, the fixing plate is fixedly connected with the mounting seat through a bolt, a bearing is mounted on the arc fixing part, and the concentric shaft is mounted on the bearing.
Further, the arc-shaped fixing part is semicircular, a limiting block is arranged on the arc-shaped fixing part, and a clamping groove matched with the limiting block is formed in the bearing. When the bearing is used, the limiting block is clamped in the clamping groove, so that the bearing and the concentric shaft are prevented from rotating together.
Furthermore, a dust cover is arranged on the belt pulley, one end of the dust cover is fixed on the driving motor, and the other end of the dust cover is fixed on the rack through a supporting column. Be convenient for improve the structural strength of dust cover, be convenient for become flexible and drop.
Further, a feed inlet is arranged on the grinding body, and a sealing cover and a slurry extraction cover are arranged on the feed inlet; the feed inlet is provided with a filter screen. Sealed lid and the relative setting of ground paste extraction lid, ground paste extraction lid include lid and extraction tube, and the lid cavity, lid inboard are equipped with sieves, and the lid outside is equipped with the extraction tube, is equipped with the third valve on the extraction tube. When in use, the feed inlet can be alternatively covered. The slurry is convenient to discharge, and the ball milling efficiency is improved.
Furthermore, a stirring sheet is arranged in the mill body, and the stirring sheet and the mill body are coaxially arranged. The efficiency of the stirring is convenient for improve, prevents that aluminium raw and other materials from toward one end skew, influencing the efficiency of stirring.
The invention has the following characteristics: this scheme is effectual has improved efficiency and quality to aluminium raw and other materials production, the effectual facility that improves the operation, can effectually prevent that the ground paste after the ball-milling from by the oxidation, the effectual loss that reduces the energy, the batch production of being convenient for.
The detailed structure of the present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of a mounting seat structure;
FIG. 3 is a schematic view of a bearing structure;
FIG. 4-is a schematic view of a pulley mounting structure;
FIG. 5 is a schematic view of a dust boot mounting arrangement;
FIG. 6-is a cross-sectional view of the milling body;
FIG. 7 is a schematic view of the structure of the reinforcing apparatus;
FIG. 8 is a schematic view of a slurry withdrawal lid configuration;
1-grinding body, 2-reinforcing device, 3-belt pulley, 4-mounting seat, 5-driving motor, 6-belt, 7-frame, 8-sealing cover, 9-concentric shaft, 10-pipeline, 11-tee joint, 12-vacuum pump, 13-first valve, 14-second valve, 15-mounting plate, 16-bearing, 17-arc fixing part, 18-fixing plate, 19-through hole, 20-dust-proof cover, 21-stirring piece, 22-connecting pipe, 23-slurry extracting cover, 24-cover body, 25-sieving, 26-thread, 27-extracting pipe and 28-third valve.
Detailed Description
As shown in the attached drawings: the utility model provides a vacuum ball mill that preparation fireworks aluminite powder was used, grind body 1 including the tubbiness, mount pad 4 and driving motor 5, grind 1 both ends of body and be equipped with concentric shaft 9 respectively, concentric shaft 9 passes through bearing 16 installation to be fixed on mount pad 4, the one end of grinding body 1 is equipped with belt pulley 3, belt pulley 3 passes through belt 6 and is connected with driving motor 5, concentric shaft 9 is equipped with and grinds the communicating through-hole 19 of body 1 inside, concentric shaft 9 includes left concentric shaft 9 and right concentric shaft 9, through-hole 19 corresponds concentric shaft 9 and sets up simultaneously, through-hole 19 includes left through-hole 19 and right through-hole 19, set up the observation window in the left through-hole 19, right through-hole 19 passes through pipeline 10 and is connected with vacuum pump 12. The left concentric shaft 9 and the right concentric shaft 9 are arranged at two ends of the grinding body through the reinforcing device 2, the reinforcing device 2 is an installation plate 15 or a circular steel plate fixed by welding, a connecting pipe 22 is arranged on the reinforcing device 2, and the connecting pipe 22 is fixed with the concentric shafts by welding.
Preferably, the grinding body 1 is provided with a feed inlet, the edge of the feed inlet is provided with a sealing cover 8 and a slurry extraction cover 23, the sealing cover 8 and the slurry extraction cover 23 are oppositely arranged, and the grinding body can be alternately covered on the feed inlet when in use. The slurry is convenient to discharge, and the ball milling efficiency is improved.
This scheme can effectually reduce the ground paste after the ball-milling and contact with the air, avoids the ground paste oxidation, the effectual ball-milling quality that has improved, the effect of observation ball-milling that simultaneously can be timely, be convenient for control the time of ball-milling and be convenient for in time discharge the good ground paste of ball-milling, be favorable to subsequent ball-milling effect more, prevent that the ground paste from influencing ball-milling efficiency, effectual machining efficiency and the production quality of having improved, the batch production of being convenient for.
The inner diameter of the left through hole 19 is 3-15cm, and the wall thickness of the right concentric shaft 9 is 2-30 mm; a screen is arranged in the right through hole 19. Preferably, the inner diameter of the left through hole 19 is 3-10cm, and the wall thickness of the right concentric shaft 9 is 2-20 mm; more preferably, the inner diameter of the left through hole 19 is 10cm, and the wall thickness of the right concentric shaft 9 is 15 mm. The internal diameter of the left through hole 19 is smaller than that of the right through hole 19, so that the bearing capacity and the service life of the seat concentric shaft 9 are improved, more preferably, the two ends of the mill body 1 are uniformly stressed, the outer diameter and the inner diameter of the left concentric shaft 9 and the outer diameter and the inner diameter of the right concentric shaft 9 are the same, and the condition of the ball mill can be observed conveniently by arranging the observation window in the right concentric shaft 9.
The power of the vacuum pump 12 is that the vacuum pump 12 is a double-stage rotary vane mechanical pump, the pumping speed is 1-20L/s, and the limit pressure is 4 multiplied by 10-2Pa. Preferably, the pumping rate of the vacuum pump 12 is 8, 10 and 15L/s, which is convenient for improving the vacuum pumping efficiency and further improving the processing efficiency; when the vacuum pumping speed is too fast, the energy saving is not facilitated.
One end of the pipeline 10 is connected with the right concentric shaft 9, and the other end is provided with a tee joint 11; the milling body 1 is internally provided with a ball milling medium which is a steel ball. Preferably, the tee 11 is provided with a first valve 13 and a second valve 14, and the setting of the tee 11 interface can facilitate the control of the addition of a ball milling auxiliary agent or the addition of a cleaning liquid, thereby facilitating the improvement of the ball milling effect. When the ball mill is used, the first valve 13 and the second valve 14 are coordinated and controlled, vacuum in the mill body 1 is extracted, meanwhile, a ball grinding agent, a cleaning solution and the removal of the vacuum state of the mill body 1 are conveniently added into the mill body 1, and the operation convenience of the ball mill is effectively improved.
The mounting seat 4 is trapezoidal, the lower end of the mounting seat is fixedly mounted on the ground or the rack 7 through bolts, and the upper end of the mounting seat is provided with a bearing 16 fixing seat. Still be equipped with the stiffener on mount pad 4, be convenient for improve the structural strength and the bearing capacity of mount pad 4. The bearing 16 fixing seat comprises a fixing plate 18 and an arc fixing portion 17, the arc fixing portion 17 is welded on the fixing plate 18, the fixing plate 18 is fixedly connected with the mounting seat 4 through a bolt, the bearing 16 is mounted on the arc fixing portion 17, and the concentric shaft 9 is mounted on the bearing 16.
The arc-shaped fixing portion 17 is semicircular, a limiting block is arranged on the arc-shaped fixing portion 17, and a clamping groove matched with the limiting block is formed in the bearing 16. When in use, the limiting block is clamped in the clamping groove, so that the bearing 16 and the concentric shaft 9 are prevented from rotating together.
The belt pulley 3 is provided with a dust cover 20, one end of the dust cover 20 is fixed on the driving motor 5, and the other end of the dust cover is fixed on the frame 7 through a supporting column. Be convenient for improve dust cover 20's structural strength, be convenient for become flexible and drop.
A feed inlet is arranged on the grinding body 1, and a sealing cover 8 and a slurry extraction cover 23 are arranged on the feed inlet; the feed inlet is provided with a filter screen. The sealing cover 8 and the slurry extracting cover 23 are oppositely arranged, the slurry extracting cover 23 comprises a cover body 24 and an extracting pipe 27, the cover body 24 is hollow, a sieving 25 is arranged on the inner side of the cover body 24, the extracting pipe 17 is arranged on the outer side of the cover body 24, and a third valve 28 is arranged on the extracting pipe 27. Can cover in turn during the use and close on the feed inlet, when ground paste extraction lid 23 was closed, earlier closed third valve 28, wait that ground paste extraction lid 23 closely closed the back, the third valve 28 is opened again after extraction tube 27 zonulae occludens negative pressure pipe, the convenience of the operation of being convenient for can prevent simultaneously that the ground paste that covers in the ground paste extraction lid 23 mill from spilling, the discharge of the ground paste of being convenient for, the improvement of the ball-milling efficiency of being convenient for simultaneously.
The stirring sheet 21 is arranged in the grinding body 1, and the stirring sheet 21 and the grinding body 1 are coaxially arranged. The efficiency of the stirring is convenient for improve, prevents that aluminium raw and other materials from toward one end skew, influencing the efficiency of stirring.
When in use, firstly adding aluminum raw material into the grinding body 1 from the feed inlet, simultaneously adding ball milling medium and auxiliary agent, tightly closing the sealing cover 8, closing the second valve 14, opening the first valve 13, starting the vacuum pump 12, vacuumizing the grinding body 1, closing the first valve 13 after pumping, starting the driving motor 5, driving the grinding body 1 to rotate through the belt 6 by the driving motor 5, beginning to ball mill the aluminum raw material, observing the ball milling effect through the through hole 19 on the concentric shaft 9 after ball milling for a certain time, opening the second valve 14 after ball milling for a certain time, relieving the vacuum state in the grinding body 1, then opening the sealing cover 8, tightly covering the slurry extraction cover 23 on the feed inlet, tightly connecting the slurry extraction pipe 27 by adopting a negative pressure pipe, rotating the slurry extraction cover 23 to the bottommost position, facilitating the slurry to be extracted from the slurry extraction cover 23, preferably, can connect washing liquid pipeline 10 from second valve 14 department, add the washing liquid in grinding body 1, be convenient for detach the ground paste on the aluminium raw and other materials surface, further improve the effect and the efficiency of follow-up ball-milling, prevent the influence of ground paste to the ball-milling, be convenient for wash grinding body 1 simultaneously, be convenient for improve grinding body 1's life.
The preferred embodiments of the present invention have been described in detail above, but it is apparent that the present invention is not limited to the above embodiments. Within the scope of the technical idea of the invention, many equivalent modifications can be made to the technical solution of the invention, and these equivalent modifications are all within the protection scope of the invention. In addition, it should be noted that the respective technical features described in the above-described embodiments may be separately and independently combined as long as they are within the technical concept of the present invention.
Claims (10)
1. The utility model provides a vacuum ball mill that preparation fireworks aluminite powder was used, includes tubbiness mill body, mount pad and driving motor, and mill body both ends are equipped with the concentric shaft respectively, and the concentric shaft passes through the bearing installation to be fixed on the mount pad, and the one end of milling the body is equipped with the belt pulley, and the belt pulley passes through the belt to be connected with driving motor, and the concentric shaft is equipped with and grinds the communicating through-hole of internal portion, its characterized in that: the concentric shaft includes left concentric shaft and right concentric shaft, and the through-hole corresponds the concentric shaft setting simultaneously, and the through-hole includes left through-hole and right through-hole, sets up the observation window in the left through-hole, and right through-hole passes through the pipeline and is connected with the vacuum pump.
2. The vacuum ball mill for preparing aluminum powder for fireworks according to claim 1, characterized in that: the inner diameter of the left through hole is 3-15cm, and the wall thickness of the right concentric shaft is 2-30 mm; a screen is arranged in the right through hole.
3. The vacuum ball mill for preparing aluminum powder for fireworks according to claim 1, characterized in that: the power of the vacuum pump is that the vacuum pump is a double-stage rotary vane mechanical pump, the pumping speed is 1-20L/s, and the limit pressure is 4 multiplied by 10-2Pa。
4. The vacuum ball mill for preparing aluminum powder for fireworks according to claim 1, characterized in that: one end of the pipeline is connected with the right concentric shaft, and the other end of the pipeline is provided with a three-way connector; the grinding body is internally provided with a ball milling medium which is a steel ball.
5. The vacuum ball mill for preparing aluminum powder for fireworks according to claim 1, characterized in that: the mounting seat is trapezoidal, the lower end of the mounting seat is fixedly mounted on the ground or a rack through bolts, and the upper end of the mounting seat is provided with a bearing fixing seat.
6. The vacuum ball mill for preparing aluminum powder for fireworks according to claim 5, characterized in that: the bearing fixing seat comprises a fixing plate and an arc fixing part, the arc fixing part is welded on the fixing plate, the fixing plate is fixedly connected with the mounting seat through a bolt, a bearing is mounted on the arc fixing part, and the concentric shaft is mounted on the bearing.
7. The vacuum ball mill for preparing aluminum powder for fireworks according to claim 6, characterized in that: the arc-shaped fixing part is semicircular, a limiting block is arranged on the arc-shaped fixing part, and a clamping groove matched with the limiting block is formed in the bearing.
8. The vacuum ball mill for preparing aluminum powder for fireworks according to claim 1, characterized in that: the belt pulley is provided with a dust cover, one end of the dust cover is fixed on the driving motor, and the other end of the dust cover is fixed on the rack through the supporting column.
9. The vacuum ball mill for preparing aluminum powder for fireworks according to claim 1, characterized in that: the grinding body is provided with a feed inlet, and the feed inlet is provided with a sealing cover and a slurry extraction cover; the feed inlet is provided with a filter screen.
10. The vacuum ball mill for preparing aluminum powder for fireworks according to any one of claims 1-9, characterized in that: the grinding body is internally provided with a stirring sheet which is coaxial with the grinding body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911131970.4A CN110681867A (en) | 2019-11-19 | 2019-11-19 | Vacuum ball mill for preparing firework aluminum powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911131970.4A CN110681867A (en) | 2019-11-19 | 2019-11-19 | Vacuum ball mill for preparing firework aluminum powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110681867A true CN110681867A (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911131970.4A Withdrawn CN110681867A (en) | 2019-11-19 | 2019-11-19 | Vacuum ball mill for preparing firework aluminum powder |
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| Country | Link |
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| CN (1) | CN110681867A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202570277U (en) * | 2012-05-08 | 2012-12-05 | 丹阳市美尔鑫化工有限公司 | Environmental-friendly ball mill for producing aluminum paste |
| CN202700577U (en) * | 2012-04-28 | 2013-01-30 | 淮北五星铝业有限公司 | Vacuum ball mill |
| CN204685200U (en) * | 2015-04-25 | 2015-10-07 | 汤卓群 | A kind of ball mill for aluminum silver paste |
| CN205236077U (en) * | 2015-12-02 | 2016-05-18 | 湘潭大学 | Synthetic machine that grinds of metal powder deoxidation |
| CN206315869U (en) * | 2016-10-31 | 2017-07-11 | 成都华创盛世科技有限公司 | A kind of anti-oxidant vacuum ball mill |
| CN107661799A (en) * | 2017-10-21 | 2018-02-06 | 江门市新会区联垦农业经营有限公司 | A kind of ball mill for being advantageous to improve cast efficiency |
| CN208275509U (en) * | 2018-03-12 | 2018-12-25 | 中航迈特粉冶科技（北京）有限公司 | Ball mill device |
-
2019
- 2019-11-19 CN CN201911131970.4A patent/CN110681867A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202700577U (en) * | 2012-04-28 | 2013-01-30 | 淮北五星铝业有限公司 | Vacuum ball mill |
| CN202570277U (en) * | 2012-05-08 | 2012-12-05 | 丹阳市美尔鑫化工有限公司 | Environmental-friendly ball mill for producing aluminum paste |
| CN204685200U (en) * | 2015-04-25 | 2015-10-07 | 汤卓群 | A kind of ball mill for aluminum silver paste |
| CN205236077U (en) * | 2015-12-02 | 2016-05-18 | 湘潭大学 | Synthetic machine that grinds of metal powder deoxidation |
| CN206315869U (en) * | 2016-10-31 | 2017-07-11 | 成都华创盛世科技有限公司 | A kind of anti-oxidant vacuum ball mill |
| CN107661799A (en) * | 2017-10-21 | 2018-02-06 | 江门市新会区联垦农业经营有限公司 | A kind of ball mill for being advantageous to improve cast efficiency |
| CN208275509U (en) * | 2018-03-12 | 2018-12-25 | 中航迈特粉冶科技（北京）有限公司 | Ball mill device |
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Application publication date: 20200114 |
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