CN216654703U

CN216654703U - Screening machine is used in production of aluminium oxide powder

Info

Publication number: CN216654703U
Application number: CN202123235806.3U
Authority: CN
Inventors: 柴春芳; 揭垚; 戴鹏; 虞浙滨
Original assignee: Liyang Anode Shield New Material Technology Co ltd
Current assignee: Liyang Anode Shield New Material Technology Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-06-03
Anticipated expiration: 2031-12-22

Abstract

The utility model belongs to the technical field of screening machines, and particularly relates to a screening machine for producing alumina powder, which comprises a bottom plate, wherein a screening cylinder is fixedly arranged at the top of the bottom plate, the top of the screening cylinder is fixedly communicated with a feed hopper, a driving motor is fixedly arranged on one side of the screening cylinder, a rotating shaft is fixedly arranged on an output shaft of the driving motor, and a spiral auger is fixedly sleeved on the outer side of the rotating shaft. According to the utility model, the aluminum oxide powder can be ground and crushed by the two grinding rollers which rotate reversely, so that the particles of the aluminum oxide powder are smaller, and further more aluminum oxide powder with smaller particles can be screened out.

Description

Screening machine is used in production of aluminium oxide powder

Technical Field

The utility model relates to the technical field of screening machines, in particular to a screening machine for producing alumina powder.

Background

The high-purity alumina is mainly applied to the production of sapphire single crystals, and the sapphire single crystals have hardness second to that of diamond, permeability to infrared rays and excellent physical properties, so that the high-purity alumina is widely applied to the fields of electronics, military industry and the like, and during the production of alumina powder, a screening machine is required to screen alumina powder.

However, when the existing screening machine for producing alumina powder is used, the alumina powder cannot be ground and crushed firstly and then screened, so that the alumina powder is less in qualified particle number, and the alumina powder is inconvenient to be screened in a multi-stage manner, so that the practicability is poor, and therefore, the screening machine for producing alumina powder is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects and provides a screening machine for producing alumina powder.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a screening machine for producing alumina powder comprises a base plate, wherein a screening cylinder is fixedly arranged at the top of the base plate, the top of the screening cylinder is fixedly communicated with a feed hopper, a driving motor is fixedly arranged on one side of the screening cylinder, a rotating shaft is fixedly arranged on an output shaft of the driving motor, a spiral auger is fixedly sleeved on the outer side of the rotating shaft, a driving wheel is fixedly arranged at one end of the rotating shaft, two transverse shafts are rotatably arranged on the inner walls of the two sides of the feed hopper, a grinding roller and a transmission gear are fixedly sleeved on the outer sides of the two transverse shafts, the two transmission gears are meshed with each other, a driven wheel is fixedly arranged at one end of one transverse shaft of the two transverse shafts, the driving wheel and the driven wheel are rotatably provided with a same transmission belt, two screen meshes are fixedly arranged at the bottom of the screening cylinder, two discharge pipes are fixedly communicated with the bottom of the screening cylinder, a vibrating motor is fixedly arranged on one side of the discharge pipe, and an impurity discharge pipe is fixedly communicated with one side of the screening drum.

Preferably, the top of bottom plate is fixed and is provided with two backup pads, and two backup pads are all fixed the setting in the bottom of a screen cylinder.

Preferably, the top of the bottom plate is movably provided with two collecting boxes, and the two collecting boxes are respectively positioned under the corresponding discharge pipes.

Preferably, bearings are fixedly arranged on two sides of the screening cylinder, and inner rings of the two bearings are fixedly sleeved on the outer side of the rotating shaft.

Preferably, the top of the screening drum is provided with a feed inlet, and the feed inlet is communicated with the bottom end of the feed hopper.

Preferably, the mesh diameter of the screen on the left side is smaller than the mesh diameter of the screen on the right side.

According to the screening machine for producing the alumina powder, the alumina powder can be ground and crushed through the two grinding rollers which rotate in opposite directions, so that the alumina powder particles are smaller, and more qualified alumina powder can be screened;

according to the screening machine for producing the alumina powder, the rotary spiral auger is matched with the screen mesh, so that the alumina powder can be conveyed and screened at the same time, the alumina powder can be subjected to multistage screening, impurities in the alumina powder can be conveniently screened, and meanwhile, the alumina powder can be screened into smaller-particle alumina powder and larger-particle alumina powder, so that the use is convenient;

the aluminum oxide powder grinding device is reasonable in structural design, aluminum oxide powder can be ground and crushed through the two grinding rollers which rotate reversely, so that the particles of the aluminum oxide powder are smaller, more aluminum oxide powder with smaller particles can be screened, the aluminum oxide powder can be conveyed and screened at the same time through the cooperation of the rotating spiral auger and the screen, the aluminum oxide powder can be screened in a multi-stage manner, impurities in the aluminum oxide powder can be screened conveniently, and meanwhile, the aluminum oxide powder can be screened into the aluminum oxide powder with smaller particles and the aluminum oxide powder with larger particles.

Drawings

FIG. 1 is a schematic structural diagram of a screening machine for producing alumina powder according to the present invention;

FIG. 2 is a cross-sectional view of a sieving machine for the production of alumina powder according to the present invention;

fig. 3 is a schematic structural diagram of a part a of a sieving machine for producing alumina powder according to the present invention.

In the figure: 1. a base plate; 2. a support plate; 3. a screening cylinder; 4. a drive motor; 5. a sundry outlet pipe; 6. a feed hopper; 7. a transverse axis; 8. a transmission gear; 9. a driven wheel; 10. a transmission belt; 11. a driving wheel; 12. a discharge pipe; 13. a collection box; 14. a grinding roller; 15. a rotating shaft; 16. a spiral auger; 17. a feed inlet; 18. screening a screen; 19. a bearing; 20. a vibration motor.

Detailed Description

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a screening machine for producing alumina powder comprises a bottom plate 1, a screening cylinder 3 is fixedly arranged at the top of the bottom plate 1, a feed hopper 6 is fixedly communicated with the top of the screening cylinder 3, a driving motor 4 is fixedly arranged at one side of the screening cylinder 3, a rotating shaft 15 is fixedly arranged on an output shaft of the driving motor 4, a spiral auger 16 is fixedly sleeved outside the rotating shaft 15, a driving wheel 11 is fixedly arranged at one end of the rotating shaft 15, two transverse shafts 7 are rotatably arranged on the inner walls of the two sides of the feed hopper 6, a grinding roller 14 and a transmission gear 8 are fixedly sleeved outside the two transverse shafts 7, the two transmission gears 8 are meshed with each other, a driven wheel 9 is fixedly arranged at one end of one transverse shaft 7 of the two transverse shafts 7, the same driving belt 10 is installed on the driving wheel 11 and the driven wheel 9 in a transmission manner, two screens 18 are fixedly arranged at the bottom of the screening cylinder 3, the bottom of the screening cylinder 3 is fixedly communicated with two discharge pipes 12, one side of each discharge pipe 12 is fixedly provided with a vibration motor 20, one side of the screening cylinder 3 is fixedly communicated with a impurity discharge pipe 5, alumina powder is poured into a feed hopper 6, a driving motor 4 is started, the driving motor 4 drives a rotating shaft 15 and a driving wheel 11 to rotate, the driving wheel 11 drives a driven wheel 9 and a transverse shaft 7 to rotate under the transmission of a transmission belt 10, the two transverse shafts 7 and two grinding rollers 14 reversely rotate under the transmission of two transmission gears 8, the alumina powder can be ground and crushed through the reverse rotation of the two grinding rollers 14, so that the alumina powder particles are smaller, more qualified alumina powder can be screened, the crushed alumina powder particles fall into the screening cylinder 3, the rotating shaft 15 drives a spiral auger 16 to rotate, and the alumina powder particles can be conveyed rightwards while being stirred, through left screen cloth 18, can select the less aluminium oxide powder of granule and collect from left discharging pipe 12 discharge, screen cloth 18 through the right side, the great aluminium oxide powder of granule can be selected and collect from discharging pipe 12 discharge on the right side, through vibrating motor 20, can make discharging pipe 12 and screen cloth 18 form the vibration, guarantee the complete unloading of aluminium oxide powder, effectively avoid the jam of screen cloth 18 simultaneously, the effect of screening has been guaranteed, the internal impurity of aluminium oxide powder is conveyed out miscellaneous pipe 5 and is discharged at last, and then conveniently select the internal impurity of aluminium oxide powder and discharge.

According to the utility model, the two supporting plates 2 are fixedly arranged at the top of the bottom plate 1, the two supporting plates 2 are fixedly arranged at the bottom of the screening drum 3, and the screening drum 3 is conveniently and stably supported through the supporting plates 2.

According to the utility model, the top of the bottom plate 1 is movably provided with two collecting boxes 13, the two collecting boxes 13 are respectively positioned under the corresponding discharging pipes 12, and the screened alumina powder is convenient to collect through the collecting boxes 13.

In the utility model, bearings 19 are fixedly arranged on both sides of the screening drum 3, inner rings of the two bearings 19 are fixedly sleeved on the outer side of the rotating shaft 15, and the rotating shaft 15 is conveniently supported by the bearings 19, so that the rotating shaft is more stably and smoothly rotated.

In the utility model, the top of the screening cylinder 3 is provided with a feed inlet 17, and the feed inlet 17 is communicated with the bottom end of the feed hopper 6, so that the feed hopper 6 is conveniently communicated with the screening cylinder 3.

In the present invention, the diameter of the screen 18 on the left side is smaller than the diameter of the screen 18 on the right side, which facilitates the screening of smaller alumina powder particles and larger alumina powder particles.

In the utility model, when in use, alumina powder is poured into a feed hopper 6, a driving motor 4 is started, the driving motor 4 drives a rotating shaft 15 and a driving wheel 11 to rotate, the driving wheel 11 drives a driven wheel 9 and a transverse shaft 7 to rotate under the transmission of a transmission belt 10, the two transverse shafts 7 and two grinding rollers 14 rotate in opposite directions under the transmission of two transmission gears 8, the alumina powder can be ground and crushed through the opposite rotation of the two grinding rollers 14, so that the alumina powder particles are smaller, more qualified alumina powder can be screened out, the crushed alumina powder particles fall into a screening cylinder 3, the rotating shaft 15 drives a spiral auger 16 to rotate, the alumina powder particles can be stirred and conveyed rightwards, the screened alumina powder with smaller particles can be discharged from a discharge pipe 12 on the left side into a collection box 13 on the left side to be collected through a screen 18 on the left side, through the screen cloth 18 on right side, can select the great aluminium oxide powder of granule and arrange to collect in the collecting box 13 on right side from discharging pipe 12 on right side, through vibrating motor 20, can make discharging pipe 12 and screen cloth 18 form the vibration, guarantee complete unloading, effectively avoid the jam of screen cloth 18 simultaneously, guaranteed the effect of screening, the internal impurity of aluminium oxide powder is conveyed out miscellaneous pipe 5 and is discharged at last, and then conveniently select the internal impurity of aluminium oxide powder and discharge.

Claims

1. The screening machine for the production of the aluminum oxide powder comprises a base plate (1) and is characterized in that a screening cylinder (3) is fixedly arranged at the top of the base plate (1), a feed hopper (6) is fixedly communicated with the top of the screening cylinder (3), a driving motor (4) is fixedly arranged on one side of the screening cylinder (3), a rotating shaft (15) is fixedly arranged on an output shaft of the driving motor (4), a spiral packing auger (16) is fixedly sleeved on the outer side of the rotating shaft (15), a driving wheel (11) is fixedly arranged at one end of the rotating shaft (15), two transverse shafts (7) are rotatably arranged on inner walls on two sides of the feed hopper (6), a grinding roller (14) and a transmission gear (8) are fixedly sleeved on the outer sides of the two transverse shafts (7), the two transmission gears (8) are meshed with each other, a driven wheel (9) is fixedly arranged at one end of one transverse shaft (7) of the two transverse shafts (7), the utility model discloses a screening drum, including action wheel (11) and driven wheel (9), the fixed two screen cloth (18) that are provided with in bottom of screening drum (3), the fixed intercommunication in bottom of screening drum (3) has two discharging pipes (12), the fixed vibrating motor (20) that are provided with in one side of discharging pipe (12), the fixed intercommunication in one side of screening drum (3) has miscellaneous pipe (5).

2. The screening machine for producing the alumina powder as claimed in claim 1, wherein two support plates (2) are fixedly arranged at the top of the bottom plate (1), and the two support plates (2) are both fixedly arranged at the bottom of the screening cylinder (3).

3. The screening machine for producing alumina powder according to claim 1, wherein the top of the bottom plate (1) is movably provided with two collecting boxes (13), and the two collecting boxes (13) are respectively positioned under the corresponding discharging pipes (12).

4. The screening machine for producing the alumina powder as claimed in claim 1, wherein bearings (19) are fixedly arranged on both sides of the screening cylinder (3), and inner rings of the two bearings (19) are fixedly sleeved on the outer side of the rotating shaft (15).

5. The screening machine for producing the alumina powder as claimed in claim 1, wherein the top of the screening cylinder (3) is provided with a feed inlet (17), and the feed inlet (17) is communicated with the bottom end of the feed hopper (6).

6. The sieving machine for producing alumina powder according to claim 1, wherein the sieve diameter of the sieve (18) located on the left side is smaller than the sieve diameter of the sieve (18) located on the right side.