CN212121663U - Metal powder ball mill - Google Patents
Metal powder ball mill Download PDFInfo
- Publication number
- CN212121663U CN212121663U CN202020598768.4U CN202020598768U CN212121663U CN 212121663 U CN212121663 U CN 212121663U CN 202020598768 U CN202020598768 U CN 202020598768U CN 212121663 U CN212121663 U CN 212121663U
- Authority
- CN
- China
- Prior art keywords
- bearing
- sleeve
- metal powder
- ball mill
- communicating pipe
- 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.)
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 29
- 239000002184 metal Substances 0.000 title claims abstract description 29
- 239000000843 powder Substances 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 239000003921 oil Substances 0.000 claims description 19
- 239000010687 lubricating oil Substances 0.000 claims description 7
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000227 grinding Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The utility model discloses a metal powder ball mill, including tip and external pipeline, the end is external to be rotated and is connected with rolling bearing, the inner wall butt of sheathed tube outer periphery and through hole, be provided with the bearing between the outer periphery of sheathed tube inner periphery and communicating pipe, the sleeve pipe is provided with first gasket in the both sides of bearing, the spring is with second gasket butt on first gasket, the other end at communicating pipe is established to external pipeline cover, be provided with sealing device between external pipeline and communicating pipe. When the communicating pipe and the sleeve pipe rotate relatively, the spring plays a role of enabling the communicating pipe and the sleeve pipe to move relatively to offset abrasion when the communicating pipe and the sleeve pipe are abraded, the sealing problem of the outer pipe connecting piece and the axial two ends of the circumferential rotating device is solved, and on the premise that rotation is guaranteed, metal powder is prevented from entering the bearing.
Description
Technical Field
The utility model relates to a metal powder grinds, in particular to metal powder ball mill.
Background
The metal powder is a fine particle or flake material obtained by grinding metal, and the like, wherein the aluminum powder belongs to a large class of metal powder due to wide application, large demand and multiple varieties. The production process includes several kinds, such as ball milling, atomizing, inert gas atomizing, pressurized water atomizing, etc. and the ball milling process is one technological process of adding steel balls, aluminum chips and lubricant into ball mill and grinding aluminum chips into flake aluminum powder.
In the prior art, chinese patent application publication No. CN106925409A discloses an aluminum powder production apparatus, which includes a circumferential rotation device such as a ball mill, and during the process of grinding metal by the ball mill, because of the need of continuous discharging, the axial two ends of the ball mill are usually used for feeding and discharging materials, and the inside of the ball mill usually adopts a bearing to realize the mutual rotation between the feeding and discharging pipelines and the end of the ball mill, but because the metal powder has fine particles, once the metal powder is embedded into the bearing, the metal powder will cause severe abrasion, and at the same time, the relative rotation between the end of the ball mill and the feeding and discharging pipelines is greatly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a metal powder ball mill.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a metal powder ball mill, includes tip and external pipeline, the end is outer to be rotated and is connected with rolling bearing, it is provided with the through hole to run through along self axial in the tip, be provided with communicating pipe in the through hole, be provided with the sleeve pipe between the one end of communicating pipe and the through hole, the outer periphery of sheathed tube and the inner wall butt of through hole, be provided with the bearing between the inner periphery of sheathed tube and the outer periphery of communicating pipe, the sleeve pipe is provided with first gasket in the both sides of bearing, communicating pipe is provided with the second gasket with first gasket butt in the both sides of bearing, be provided with the spring between bearing and the second gasket, the spring is with second gasket butt on first gasket, the other end at communicating pipe is established to external pipeline cover, be provided with sealing device between external pipeline and the communicating pipe.
Preferably, the sealing device comprises a support bearing and a sealing ring, a fixing groove for nesting the support bearing is formed in the inner side of the external pipeline, the support bearing and the external pipeline are concentrically arranged, and the sealing ring is clamped on one side, facing outwards, of the fixing groove.
Through adopting above-mentioned technical scheme, when communicating pipe takes place to rotate, support bearing avoids external pipeline to take place to rotate, and the fixed slot has played fixed support bearing's effect, because this position does not take place to rotate, so the sealing washer leans on outer setting, avoids external impurity to get into, influences metal powder's purity.
Preferably, the sleeve is provided with a lubricating oil path, the lubricating oil path comprises an oil inlet hole and an oil outlet hole, the oil inlet hole is formed in the end face of the sleeve, and the oil outlet hole is communicated between the adjacent second sealing pieces.
Through adopting above-mentioned technical scheme, lubricate the bearing, seal the inside rotational position simultaneously.
Preferably, the sleeve extends out of the through hole and radially extends along the sleeve to form a flange surface, and a bolt is arranged between the flange surface and the end part.
Through adopting above-mentioned technical scheme, fixed sleeve pipe and tip.
Preferably, the oil inlet hole is formed in the flange surface.
By adopting the technical scheme, the oil injection is convenient.
Preferably, the spring is a conical spring.
Through adopting above-mentioned technical scheme, centering is effectual, easy to assemble.
Preferably, the bearing is a radial ball bearing.
Through adopting above-mentioned technical scheme, rotational stability is good, can bear great load and vibration simultaneously.
Preferably, the radial ball bearings are arranged in two groups in parallel.
Preferably, the inner ring of the sleeve is provided with a bearing retainer, the outer circumferential surface of the bearing retainer abuts against the inner ring of the sleeve, and the inner circumferential surface of the bearing retainer abuts against the outer ring of the bearing.
By adopting the technical scheme, the installation of the bearing is facilitated.
Preferably, two axial sides of the bearing retainer ring are provided with baffle plates, and the baffle plates are arranged in the sleeve.
Through adopting above-mentioned technical scheme, the baffle is spacing to the retaining ring.
In conclusion, when the end part of the ball mill rotates, the communicating pipe does not rotate generally due to the existence of the bearing, so that the problem of discharging in the relative rotation process is solved, and metal powder can enter the external pipeline along the communicating pipe under the action of positive pressure; when communicating pipe and sleeve pipe take place relative rotation simultaneously, the relative butt of clearance between the two through first gasket and second gasket reduces, and the spring has played simultaneously when both wearing and tearing, makes both relative movement offset wearing and tearing, has solved the sealed problem at outer pipe fitting and circumference rotary device axial both ends, under the prerequisite of guaranteeing the pivoted, avoids metal powder to enter into in the bearing.
Drawings
FIG. 1 is a schematic structural view of an embodiment;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
in the figure, 1, end; 2. a through hole; 3. a communicating pipe; 4. a sleeve; 5. a radial ball bearing; 6. a first sealing sheet; 7. a second sealing sheet; 8. a conical spring; 9. a lubrication oil path; 10. an oil inlet hole; 11. an oil outlet hole; 12. a flange face; 13. a bearing retainer ring; 14. a baffle plate; 15. a rotating bearing; 16. a support bearing; 17. a seal ring; 18. fixing grooves; 19. is externally connected with a pipeline.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Example (b):
as shown in fig. 1, 2 and 3, the metal powder ball mill comprises an end part 1 of the ball mill and an external pipeline 19, wherein the end part 1 can be a feeding end or a discharging end, a rotating bearing 15 is rotatably connected outside the end part 1, and the rotating bearing 15 plays a role of supporting the end part 1 of the ball mill.
As shown in fig. 1, a through hole 2 is provided in the end portion 1 along the axial direction thereof, a communication pipe 3 is provided in the through hole 2, a sleeve 4 is provided between the communication pipe 3 and the through hole 2, the outer circumferential surface of the sleeve 4 abuts against the inner wall of the through hole 2, two sets of radial ball bearings 5 are provided between the inner circumferential surface of the sleeve 4 and the outer circumferential surface of the communication pipe 3, the radial ball bearings are arranged in parallel, a lubricating oil path 9 is provided on the sleeve 4, the lubricating oil path 9 includes an oil inlet 10 and an oil outlet 11, the oil inlet 10 is provided on the end surface of the sleeve 4, the oil outlet 11 is communicated between the adjacent second sealing fins 7, the sleeve 4 extends out of the through hole 2 and has a flange surface 12 extending along the radial direction, meanwhile, a plurality of bolts can be arranged between the flange face 12 and the end part 1, and the flange face 12 and the end part 1 are fixed through the bolts.
As shown in fig. 1 and 2, the sleeve 4 is provided with the first sealing sheet 6 in the both sides of bearing, and first sealing sheet 6 and bearing all set up with communicating pipe 3 with one heart, and communicating pipe 3 is provided with the second sealing sheet 7 with 6 butts of first sealing sheet in the both sides of bearing, and first sealing sheet 6 and second sealing sheet 7 all adopt wear-resisting material to make, add lubricating oil simultaneously after, produce the oil blanket effect, improve sealed effect. A spring is arranged between the bearing and the second sealing sheet 7, the second sealing sheet 7 is abutted to the first sealing sheet 6 by the spring, the spring is a conical spring 8, one end of the conical spring 8 is abutted to the second sealing sheet 7, and the other end of the conical spring 8 is abutted to the side surface of the bearing.
As shown in fig. 3, a retainer ring 13 is provided on the inner ring of the sleeve 4, the retainer ring 13 is provided concentrically with the communication pipe 3, the outer circumferential surface of the retainer ring 13 abuts against the inner ring of the sleeve 4, the inner circumferential surface of the retainer ring 13 abuts against the outer ring of the bearing, and the retainer rings 13 are provided with baffle plates 14 on both sides in the axial direction, and the baffle plates 14 are provided in the sleeve 4.
As shown in fig. 1, in order to supply the communicating pipe 3 to realize feeding and discharging, the cover is equipped with external pipeline 19 on the communicating pipe 3, external pipeline 19 is for can be the inlet pipe, also can be the discharging pipe, be provided with sealing device between external pipeline 19 and the communicating pipe 3, sealing device includes supporting bearing 16 and sealing washer 17, external pipeline 19's inboard is provided with the nested fixed slot 18 of confession supporting bearing 16, supporting bearing 16 and external pipeline 19 set up concentrically, supporting bearing 16 can be provided with a plurality ofly on external pipeline 19, sealing washer 17 inlay card is in the outside one side of fixed slot 18, when sealing performance and connectivity requirement are higher simultaneously, can adopt a plurality of rubber circles to replace supporting bearing 16, guarantee that external pipeline 19 and communicating pipe 3 do not take place to rotate.
The working principle is as follows:
when the end part 1 rotates along with the rotating equipment, the communicating pipe 3 can not rotate due to the existence of the bearing, so that the problem of discharging in the relative rotation process is solved, and materials can be discharged outwards along with the communicating pipe 3; when communicating pipe 3 and sleeve pipe 4 take place relative rotation simultaneously, the relative butt of clearance between the two through first gasket 6 and second gasket 7 reduces, and the spring has played simultaneously when both wearing and tearing, makes both relative movement offset the effect of wearing and tearing, has solved the sealed problem at external pipe fitting and circumferential direction rotary device axial both ends.
Claims (10)
1. A metal powder ball mill, includes tip (1) and external pipeline (19), its characterized in that: the end part (1) is connected with a rotating bearing (15) in a rotating way, a through hole (2) penetrates through the end part (1) along the self axial direction, a communicating pipe (3) is arranged in the through hole (2), a sleeve (4) is arranged between one end of the communicating pipe (3) and the through hole (2), the outer circumferential surface of the sleeve (4) is abutted against the inner wall of the through hole (2), a bearing is arranged between the inner circumferential surface of the sleeve (4) and the outer circumferential surface of the communicating pipe (3), the sleeve (4) is provided with first sealing sheets (6) at two sides of the bearing, a second sealing sheet (7) abutted against the first sealing sheet (6) is arranged at two sides of the communicating pipe (3), a spring is arranged between the bearing and the second sealing sheet (7), and the second sealing sheet (7) is abutted against the first sealing sheet (6) by the spring, the other end of communicating pipe (3) is established to external pipeline (19) cover, be provided with sealing device between external pipeline (19) and communicating pipe (3).
2. The metal powder ball mill according to claim 1, characterized in that: sealing device includes support bearing (16) and sealing washer (17), the inboard of external pipeline (19) is provided with supplies support bearing (16) nested fixed slot (18), support bearing (16) and external pipeline (19) concentric arrangement, sealing washer (17) inlay card is in fixed slot (18) one side outwards.
3. The metal powder ball mill according to claim 1, characterized in that: the lubricating oil way (9) is arranged on the sleeve (4), the lubricating oil way (9) comprises an oil inlet hole (10) and an oil outlet hole (11), the oil inlet hole (10) is formed in the end face of the sleeve (4), and the oil outlet hole (11) is communicated between the adjacent second sealing pieces (7).
4. The metal powder ball mill according to claim 3, characterized in that: the sleeve (4) extends out of the through hole (2) and radially extends along the sleeve to form a flange surface (12), and a bolt is arranged between the flange surface (12) and the end part (1).
5. The metal powder ball mill according to claim 4, characterized in that: the oil inlet hole (10) is formed in the flange face (12).
6. The metal powder ball mill according to claim 1, characterized in that: the spring is a conical spring (8).
7. The metal powder ball mill according to claim 1, characterized in that: the bearing is a radial ball bearing (5).
8. The metal powder ball mill of claim 7, wherein: two groups of radial ball bearings (5) are arranged in parallel.
9. The metal powder ball mill according to claim 1, characterized in that: and a bearing retainer ring (13) is arranged on the inner ring of the sleeve (4), the outer circumferential surface of the bearing retainer ring (13) is abutted against the inner ring of the sleeve (4), and the inner circumferential surface of the bearing retainer ring (13) is abutted against the outer ring of the bearing.
10. The metal powder ball mill of claim 9, wherein: baffle plates (14) are arranged on two axial sides of the bearing retainer ring (13), and the baffle plates (14) are arranged in the sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020598768.4U CN212121663U (en) | 2020-04-20 | 2020-04-20 | Metal powder ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020598768.4U CN212121663U (en) | 2020-04-20 | 2020-04-20 | Metal powder ball mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212121663U true CN212121663U (en) | 2020-12-11 |
Family
ID=73690361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020598768.4U Active CN212121663U (en) | 2020-04-20 | 2020-04-20 | Metal powder ball mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212121663U (en) |
-
2020
- 2020-04-20 CN CN202020598768.4U patent/CN212121663U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |