CN217962830U

CN217962830U - Multistage sorting unit of jet mill

Info

Publication number: CN217962830U
Application number: CN202221828841.8U
Authority: CN
Inventors: 卢慧斌; 葛文伟; 陆正平; 周凯; 俞能君
Original assignee: Zhejiang Zhongyuan Magnetic Industry Co ltd; China Jiliang University
Current assignee: Zhejiang Zhongyuan Magnetic Industry Co ltd; China Jiliang University
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-12-06
Anticipated expiration: 2032-07-15

Abstract

The utility model discloses an air flow mill multistage sorting device, which relates to the technical field of multistage sorting, in particular to an air flow mill multistage sorting device, comprising an air flow sorting machine, wherein the top of the air flow sorting machine is provided with a multistage sorting mechanism which comprises a plurality of annular covers; the annular covers are stacked in layers, two adjacent annular covers are connected with each other, a sorting wheel is arranged in each annular cover, one end of each sorting wheel is connected with a driving shaft, the other end of each driving shaft extends out of the driving shaft, the two driving shafts are connected through a bearing, and a first belt pulley is arranged at the tail end of each driving shaft; and a driving motor is arranged at the lowest part of the driving shaft, and a second belt pulley is arranged on a rotating shaft of the driving motor. The utility model discloses when using, the air current sorter top is equipped with a plurality of sorting wheels, can carry out abundant screening to the powder that gets into in the air current sorter, and the screening efficiency is high, and ejection of compact is fast.

Description

Multistage sorting unit of jet mill

Technical Field

The utility model relates to a multistage sorting technical field specifically is a multistage sorting unit of jet mill.

Background

The fluidized bed air flow mill is characterized by that the compressed air is accelerated into supersonic air flow by means of Laval nozzle, then injected into pulverizing zone to make the material be fluidized, so that every granule has identical motion state. In the pulverizing zone, the accelerated particles collide with each other at the intersection of the nozzles to be pulverized. And then introducing the powder into an airflow separation device for powder screening, screening the fine powder meeting the particle size requirement from a separation wheel, and returning the coarse powder not meeting the particle size requirement to a grinding area for continuous grinding.

The existing jet mill has only one sorting wheel, so that the screening speed is low, and no better less-sorting function exists for the entrance of a large amount of powder, and therefore, the jet mill multistage sorting device is provided.

SUMMERY OF THE UTILITY MODEL

For solving the not enough of above prior art, the utility model provides an air current grinds multistage sorting unit.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a jet mill multi-stage sorting device comprises a jet separator, wherein a multi-stage sorting mechanism is arranged at the top of the jet separator and comprises a plurality of annular covers;

the annular covers are stacked in layers, two adjacent annular covers are connected with each other, a sorting wheel is arranged in each annular cover, one end of each sorting wheel is connected with a driving shaft, the other end of each driving shaft extends out of the driving shaft, the two driving shafts are connected through a bearing, and a first belt pulley is arranged at the tail end of each driving shaft;

a driving motor is arranged at the lowest part of the driving shaft, a rotating shaft of the driving motor is provided with a second belt pulley, and the second belt pulley and the first belt pulley as well as the first belt pulley and the first belt pulley are connected through a third belt;

the other end of the sorting wheel is provided with a discharging pipe which is fixed on the other side surface of the annular cover in a penetrating way.

Preferably, a supporting tube is connected to the inner portion of one end, close to the sorting wheel, of the discharge tube through a bearing, the supporting tube and the sorting wheel are coaxially arranged, a first mounting disc is coaxially connected to the tail end of the supporting tube and communicated with the supporting tube, a second mounting disc is arranged at the other end of the sorting wheel, and the second mounting disc and the tail end of the driving shaft are coaxially mounted;

the second mounting disc and the tail end edge of the sorting wheel and the first mounting disc and the tail end edge of the sorting wheel are fastened through bolts.

Preferably, the drive motor is mounted on a motor mounting bracket, the bottom of which is connected to the top of the air flow separator.

Preferably, the upper end and the lower end of the annular cover are respectively provided with a first connecting skirt edge, the first connecting skirt edges are fastened through bolts, the top of the multistage sorting mechanism is provided with a cover plate, and the edge of the cover plate and the first connecting skirt edges are fastened through bolts;

and the edge of the top outlet of the airflow separator is connected with a second connecting skirt edge, and the second connecting skirt edge and the first connecting skirt edge are fastened through bolts.

Compared with the prior art, the utility model discloses when using, the air current sorter top is equipped with a plurality of sorting wheels, can carry out abundant screening to the powder that gets into in the air current sorter, and the screening efficiency is high, and ejection of compact is fast.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a schematic structural diagram of the multistage sorting mechanism of the present invention.

In the figure: 1. an annular cover; 2. a first connecting skirt; 3. an air flow separator; 4. a drive shaft; 5. a discharge pipe; 6. a first mounting plate; 7. a sorting wheel; 8. a second mounting plate; 9. a third belt; 10. a first pulley; 11. a drive motor; 12. a motor mounting bracket; 13. a second pulley; 14. the second connecting skirt; 15. supporting a pipe; 16. and (7) a cover plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to fig. 2, the present invention provides a technical solution: a jet mill multi-stage sorting device comprises a jet separator 3, wherein a multi-stage sorting mechanism is arranged at the top of the jet separator 3, and comprises a plurality of annular covers 1;

as shown in fig. 1, the annular covers 1 are stacked in layers, two adjacent annular covers 1 are connected with each other, a sorting wheel 7 is arranged in each annular cover 1, and the diameters of the particles screened by the sorting wheels 7 from bottom to top are the same;

one end of the sorting wheel 7 is connected with the driving shaft 4, the other end of the driving shaft 4 extends out of the driving shaft 4 and is connected with the driving shaft 4 through a bearing, and a first belt pulley 10 is installed at the tail end of each driving shaft 4;

a driving motor 11 is arranged at the lowest part of the driving shaft 4, a second belt pulley 13 is arranged on a rotating shaft of the driving motor 11, and the second belt pulley 13 is connected with the first belt pulley 10 and the first belt pulley 10 are connected with the first belt pulley 10 through a third belt 9; the driving motor 11 can drive each sorting wheel 7 to rotate to screen the powder;

the other end at sorting wheel 7 is equipped with discharging pipe 5, and discharging pipe 5 all runs through to be fixed on annular cover 1 another side, and the material of sorting wheel 7 screening is direct discharges from discharging pipe 5, and at the application in-process of reality, discharging pipe 5 is connected the powder collection device.

As shown in fig. 2, a supporting tube 15 is connected to the inner part of one end of the discharge tube 5 close to the sorting wheel 7 through a bearing, the supporting tube 15 and the sorting wheel 7 are coaxially arranged, a first mounting plate 6 is coaxially connected to the tail end of the supporting tube 15, the first mounting plate 6 is communicated with the supporting tube 15, a second mounting plate 8 is arranged at the other end of the sorting wheel 7, and the second mounting plate 8 and the tail end of the driving shaft 4 are coaxially arranged;

between second mounting disc 8 and the terminal edge of sorting wheel 7, and between first mounting disc 6 and the terminal edge of sorting wheel 7 all through bolt fastening, the installation of conveniently dismantling.

As shown in fig. 2, the drive motor 11 is mounted on a motor mounting bracket 12, and the bottom of the motor mounting bracket 12 is attached to the top of the air flow separator 3.

The upper end and the lower end of the annular cover 1 are respectively provided with a first connecting skirt edge 2, the first connecting skirt edges 2 are fastened through bolts, the top of the multistage sorting mechanism is provided with a cover plate 16, and the edge of the cover plate 16 and the first connecting skirt edges 2 are fastened through bolts;

the top outlet edge of the air flow separator 3 is connected with a second connecting skirt 14, and the second connecting skirt 14 and the first connecting skirt 2 are fastened through bolts, so that each annular cover is conveniently detached.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a jet mill multistage sorting unit, includes air current sorter (3), its characterized in that: the top of the airflow separator (3) is provided with a multi-stage separation mechanism, and the multi-stage separation mechanism comprises a plurality of annular covers (1);

the annular covers (1) are stacked in layers, two adjacent annular covers (1) are connected with each other, a sorting wheel (7) is arranged in each annular cover (1), one end of each sorting wheel (7) is connected with a driving shaft (4), and a first belt pulley (10) is mounted at the tail end of each driving shaft (4);

a driving motor (11) is arranged at the lowest part of the driving shaft (4), a second belt pulley (13) is arranged on a rotating shaft of the driving motor (11), and the second belt pulley (13) is connected with the first belt pulley (10) and the first belt pulley (10) are connected with each other through a third belt (9);

the other end of the sorting wheel (7) is provided with a discharging pipe (5), and the discharging pipes (5) are fixed on the other side surface of the annular cover (1) in a penetrating way.

2. A jet mill multi-stage sorting device according to claim 1, wherein: a supporting pipe (15) is connected to the inner portion of one end, close to the sorting wheel (7), of the discharging pipe (5) through a bearing, the supporting pipe (15) and the sorting wheel (7) are coaxially arranged, a first mounting disc (6) is coaxially connected to the tail end of the supporting pipe (15), the first mounting disc (6) is communicated with the supporting pipe (15), a second mounting disc (8) is arranged at the other end of the sorting wheel (7), and the second mounting disc (8) and the tail end of the driving shaft (4) are coaxially mounted;

the second mounting plate (8) and the tail end edge of the sorting wheel (7) and the first mounting plate (6) and the tail end edge of the sorting wheel (7) are fastened through bolts.

3. A jet mill multi-stage sorting device according to claim 1, wherein: the driving motor (11) is installed on the motor installation frame (12), and the bottom of the motor installation frame (12) is connected to the top of the airflow separator (3).

4. A jet mill multi-stage sorting device according to claim 1, wherein: the upper end and the lower end of the annular cover (1) are respectively provided with a first connecting skirt edge (2), the first connecting skirt edges (2) are fastened through bolts, the top of the multi-stage sorting mechanism is provided with a cover plate (16), and the edge of the cover plate (16) and the first connecting skirt edges (2) are fastened through bolts;

the top outlet edge of the airflow separator (3) is connected with a second connecting skirt (14), and the second connecting skirt (14) and the first connecting skirt (2) are fastened through bolts.