CN202224224U - Sorting device of air-stream mill - Google Patents
Sorting device of air-stream mill Download PDFInfo
- Publication number
- CN202224224U CN202224224U CN2011203617448U CN201120361744U CN202224224U CN 202224224 U CN202224224 U CN 202224224U CN 2011203617448 U CN2011203617448 U CN 2011203617448U CN 201120361744 U CN201120361744 U CN 201120361744U CN 202224224 U CN202224224 U CN 202224224U
- Authority
- CN
- China
- Prior art keywords
- sorting
- separation wheel
- shaft
- sorting device
- utility
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model discloses a sorting device of an air-stream mill. The sorting device comprises a sorting shaft and a sorting wheel and is characterized in that the sorting shaft and the sorting wheel are connected through a shaft and a shaft hole and are fastened through a screw and a flat cushion; and the head of the shaft is conical. The sorting device has the advantages that the structure is simple and the dismounting is convenient; a conical shaft hole structural design is adopted, so that the defect in grading wheel sealing clearance precision of the air-stream mill can be effectively solved, and the clearance can be regulated to be quite small, so that the size distribution of produced powder is more centralized; and simultaneously, the gas consumption of hermetic seal is reduced, the cost is lowered, daily maintenance is also convenient, the labor intensity of workers is relieved, the production efficiency is also improved, and the sorting device is favorable for popularization and use.
Description
Technical field
The utility model relates to airflow milling powder process field, is specifically related to a kind of sorting unit of airflow milling.
Background technology
So-called airflow milling is to utilize the energy of high velocity air to make particle produce impact, collision and friction each other, thereby causes solid material to be pulverized.Airflow milling is mainly by following several types: flat airflow milling, circulating airflow milling, to spray formula airflow milling, target formula airflow milling, fluidization to spray formula airflow milling.Widely used in the magnetic industry is to flow to change very much spray formula airflow milling, and high velocity air is through the nozzle that is installed in the grinding machine periphery to be expanded rapidly in gases at high pressure ejection back to produce.Because velocity gradient is very big near the nozzle, therefore, most pulverizations occur near the nozzle; In pulverizing chamber; The frequency of colliding between particle and particle is higher than the collision of particle and wall far away, and pulverizing chamber is not wearing and tearing in process of lapping, can not sneak into impurity; Gas makes temperature of charge reduce again when expanding, be fit to the powder process requirement of NdFeB material.
Neodymium iron boron magnetic material requires very high to the size distribution of powder process; This is just also high to the separator required precision of equipment, and hermetic seal is adopted in the motor-driven sealing of existing equipment size sorting, and air seal requires high to seal clearance; Existing airflow milling sorting unit exists tangible deficiency; Owing to adopt cylindrical spindle nose, if axle and separation wheel interporal lacuna cooperate possibly influence the grading wheel end face with spool vertical, separation wheel is swung bigger; Separation wheel and discharge barrel gap must be strengthened, and have so not only wasted sealing gas but also have influenced size distribution; Separation wheel is again that consumable accessory will often be changed, if adopt tight fit dismounting inconvenience often to dismount badly axle, daily maintenance is also very inconvenient, has strengthened the cost of maintenance, has increased working strength of workers.
In sum, to the defective of prior art, need a kind ofly can guarantee the axiality sorting unit of easy accessibility airflow milling again especially, to solve the deficiency of prior art.
The utility model content
The utility model provides a kind of sorting unit of airflow milling just in order to address the above problem; It can effectively solve the concentricity problem of airflow milling separation wheel, makes the hermetic seal gap of separation wheel can be littler, and the dynamics of improving powder process distributes; Also reduce the consumption of gas; The disassembling, assembling and replacing separation wheel is convenient, saves maintenance cost, reduces maintenance personal's labour intensity.
The technical problem that the utility model requires to solve can realize through following technical scheme:
A kind of airflow milling sorting unit comprises sorting axle, separation wheel, it is characterized in that, cooperates connection and fastening with screw and plain cushion by axle and axis hole between described sorting axle and the separation wheel.
Form by separation wheel blade and separation wheel end face at the described separation wheel of the utility model.
Further, said spindle nose and axis hole is shaped as taper.
In an embodiment of the utility model, described sorting axle and bearing and bearing block are mounted to axle system and are rotated at a high speed by motor-driven, and separation wheel and sorting axle are tightened to one with screw and plain cushion spring pad, along with axle has rotated sorting.
In the embodiment of the utility model; Because axle is identical tapering with the hole, very close to each other after installing, guarantee sorting axle and separation wheel axiality when mounted; Thereby guarantee that the swing when rotating at a high speed of separation wheel end face is minimum, five decimillimeters can be adjusted in the hermetic seal gap.Screw is twisted separation wheel and is also pulled down easily.
Owing to adopted technical scheme as above, effectively solved the excesssive gap that airflow milling movable sealing aspect exists, the uneven deficiency of size, make it can play sealing function fully; Easy accessibility is provided convenience for production simultaneously, and regular maintenance is easy; Alleviated working strength of workers; Increased the security of using, production efficiency also is improved, and is beneficial on airflow milling to promote the use of.
Description of drawings
Fig. 1 is the structural representation of the sorting unit of a kind of airflow milling of the utility model.
100-sorting axle among the figure, 110-separation wheel, 130-spindle nose, 180-screw, 200-plain cushion, 160-separation wheel blade, 170-separation wheel end face.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with concrete diagram, further set forth the utility model.
Sorting unit referring to Fig. 1, a kind of airflow milling; Comprise sorting axle 100, separation wheel 110; It is characterized in that install together with spindle nose 130 between described sorting axle 100 and the separation wheel 110, separation wheel 110 is tightened together by plain cushion 200 and screw 180 and sorting axle 100.
Form by separation wheel blade 160 and separation wheel end face 170 at the described separation wheel 110 of the utility model.
In an embodiment of the utility model, said spindle nose 130 be shaped as taper.
In an embodiment of the utility model; Described sorting axle 100 is formed axle system with bearing block, bearing and is rotated at a high speed with motor-driven; Separation wheel 110 is also along with synchronous rotation; Because sorting axle 100, separation wheel 110 are the spindle nose 130 no gaps connections with tapering; Guarantee coaxial precision, the very little seal clearance of its end tank wobble is transferred between five decimillimeter separation wheels and the discharge barrel and can not be rubbed during separation wheel 110 rotations, and seal clearance has the sealing gas of certain pressure to guarantee that dust can not get between separation wheel and the discharge barrel.
In an embodiment of the utility model; Said spindle nose 130 be shaped as taper; The axis hole of separation wheel 110 is same tapering, adopts the design of taper effectively to avoid can producing the gap affects axiality in the assembling process, causes separation wheel 110 to wave; It is more accurate that seal clearance is transferred to, and strengthened the sealing property of using.
Based on above-mentioned, the beneficial effect of present embodiment is simple in structure, easy to use; Because adopting axis hole is the structural design of taper, effectively solved the deficiency that airflow milling movable sealing aspect exists, make it can play sealing function fully; Effectively stop the entering of dust, guarantee the phenomenon that separation wheel rocks can not occur in process of production, improved the size distribution of abrasive dust; Dismounting simultaneously is easy, for regular maintenance brings convenience, has alleviated working strength of workers.The novel reliability of using that increased of this use is convenient to maintenance, and manufacturing cost is not high yet to be worth of widely use.
More than show and described the advantage of basic principle, principal character and the utility model of the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; The utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (3)
1. the sorting unit of an airflow milling comprises sorting axle, separation wheel, it is characterized in that, cooperates connection and fastening with screw and plain cushion by axle and axis hole between described sorting axle and the separation wheel.
2. the sorting unit of a kind of airflow milling as claimed in claim 1 is characterized in that, said separation wheel is made up of separation wheel blade and separation wheel end face.
3. the sorting unit of a kind of airflow milling as claimed in claim 1 is characterized in that, the taper that is shaped as same tapering of said sorting spindle nose and separation wheel axis hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203617448U CN202224224U (en) | 2011-09-21 | 2011-09-21 | Sorting device of air-stream mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203617448U CN202224224U (en) | 2011-09-21 | 2011-09-21 | Sorting device of air-stream mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202224224U true CN202224224U (en) | 2012-05-23 |
Family
ID=46074833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203617448U Expired - Fee Related CN202224224U (en) | 2011-09-21 | 2011-09-21 | Sorting device of air-stream mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202224224U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104227004A (en) * | 2014-09-12 | 2014-12-24 | 沈阳中北真空技术有限公司 | Jet-milling powder production facility without bed charge, jet-milling powder production method without bed charge and manufacturing method for permanent magnets |
| CN106425542A (en) * | 2016-12-05 | 2017-02-22 | 姚均甫 | Machining device of grading wheel |
-
2011
- 2011-09-21 CN CN2011203617448U patent/CN202224224U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104227004A (en) * | 2014-09-12 | 2014-12-24 | 沈阳中北真空技术有限公司 | Jet-milling powder production facility without bed charge, jet-milling powder production method without bed charge and manufacturing method for permanent magnets |
| CN106425542A (en) * | 2016-12-05 | 2017-02-22 | 姚均甫 | Machining device of grading wheel |
| CN106425542B (en) * | 2016-12-05 | 2018-12-25 | 大连环球矿产股份有限公司 | A kind of processing unit (plant) of grading wheel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204523168U (en) | A kind of many particle diameters pulverizer | |
| CN106000580B (en) | A kind of collar vortex mill | |
| CN202478997U (en) | Straight-suction type air classification grinding mill | |
| CN202224224U (en) | Sorting device of air-stream mill | |
| CN105413813A (en) | Ball mill used for producing graphite powder | |
| CN106914312A (en) | A kind of whole grinding vertical | |
| CN104289277B (en) | A kind of European flour mill of energy-saving low-carbon environmental protection | |
| CN204448164U (en) | With the suspension mill of grinding roller limiting device | |
| CN202570325U (en) | Nozzle for preparing high-purity powder | |
| CN205288566U (en) | A ball mill for producing graphite powder | |
| CN202387524U (en) | Horizontal type ball grinding mill | |
| CN103752387B (en) | The abrasive dust structure of environment-friendly and energy-efficient eddy mill | |
| CN204911682U (en) | Quick rubbing crusher of mountain flour | |
| CN208427180U (en) | A kind of fluidized bed air flow crusher | |
| CN105750026A (en) | Efficient cement grinding mill | |
| CN202683290U (en) | Novel ball milling device | |
| CN202655101U (en) | Self-cooling fine crushing feeding device | |
| CN103752391B (en) | Novel wind power vortex shear mill | |
| CN103301909B (en) | Improved Raymond mill | |
| CN202845113U (en) | Ball mill | |
| CN201969604U (en) | Vertical crusher | |
| CN204147966U (en) | A kind of bean product high-efficiency grinding mill | |
| CN207547025U (en) | A kind of horizontal high-speed precision bull grader | |
| CN202155158U (en) | Homogenization separation mechanism of superfine powder concentrator | |
| CN202638496U (en) | Roller disc type medium speed coal milling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20180921 |