CN219092190U

CN219092190U - Multistage powder screening mechanism

Info

Publication number: CN219092190U
Application number: CN202223472640.1U
Authority: CN
Inventors: 袁建明
Original assignee: Guangdong Huiweikang Biotechnology Co ltd
Current assignee: Guangdong Huiweikang Biotechnology Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-30
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a multistage powder screening mechanism which comprises a screening box, wherein a feeding hole is formed in the top of the screening box, crushing rollers are symmetrically arranged below the feeding hole and positioned in the screening box, vibrating frames are arranged below the two crushing rollers, a first screen is fixedly arranged in the vibrating frames, a vibrating mechanism matched with the vibrating frames for use is arranged in the screening box, a conical vibrating table is arranged below the first screen, a second screen is arranged on the surface of the conical vibrating table, a scraping mechanism matched with the second screen for use is arranged above the conical vibrating table, a vibrating motor is fixedly arranged at the bottom of the conical vibrating table, a second discharge hole matched with the conical vibrating table for use is formed in the surface of the screening box, a second limiting rod is fixedly connected in the second discharge hole, one end of the second limiting rod is fixedly connected with the conical vibrating table, and the other end of the second spring is fixedly connected with the inner wall of the second discharge hole.

Description

Multistage powder screening mechanism

Technical Field

The utility model belongs to the technical field of powder screening equipment, and particularly relates to a multistage powder screening mechanism.

Background

The screen powder is just to use the screen cloth, pours the powder that needs to carry out the screening into the screen cloth, and the granule that is less than the screen mesh number can fall through the mesh, and the granule that is greater than or equal to the screen mesh number stays on the screen cloth, in order to further classify the powder moreover, often through the mode of multistage screening, the mesh number top-down of screen cloth is more and more, but too much mesh number can lead to the powder to pile up at the screen cloth top when the screening, when influencing the normal screening of screen cloth, still probably appear the phenomenon that the screen cloth is blockked up.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a multistage powder screening mechanism which solves the problems that the excessive mesh number can cause the accumulation of powder on the top of a screen during screening, the normal screening of the screen is affected and the screen is blocked.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to a multistage powder screening mechanism which comprises a screening box, wherein a feeding hole is formed in the top of the screening box, crushing rollers are symmetrically arranged below the feeding hole and positioned in the screening box, vibrating frames are arranged below the two crushing rollers, a first screen is fixedly arranged in the vibrating frames, a vibrating mechanism matched with the vibrating frames is arranged in the screening box, a conical vibrating table is arranged below the first screen, a second screen is arranged on the surface of the conical vibrating table, a scraping mechanism matched with the second screen is arranged above the conical vibrating table, a vibrating motor is fixedly arranged at the bottom of the conical vibrating table, a second discharging hole matched with the conical vibrating table is formed in the surface of the screening box, a second limiting rod is fixedly connected in the second discharging hole, a second spring is fixedly connected to the surface of the second limiting rod, one end of the second spring is fixedly connected with the conical vibrating table, and the other end of the second spring is fixedly connected with the inner wall of the second discharging hole.

As a preferable scheme of the utility model, the surface of the screening box is provided with a first discharge hole matched with a first screen, the outer surface of the screening box is fixedly connected with a first discharge channel matched with the first discharge hole, and the outer surface of the screening box is fixedly provided with a first material receiving box matched with the first discharge channel.

As a preferable scheme of the utility model, the vibrating mechanism comprises a first motor and two first limiting rods, wherein the first motor is fixedly arranged on the outer surface of the screening box, the output end of the first motor is fixedly connected with an eccentric wheel, one of the first limiting rods is fixedly connected with the inner wall of the first discharge hole and is in sliding connection with the vibrating frame, the other first limiting rod is fixedly connected with the inner wall of the screening box and is in sliding connection with a limiting block on the surface, the surfaces of the two first limiting rods are respectively sleeved with a first spring, one end of one spring is fixedly connected with the vibrating frame, the other end of the one spring is fixedly connected with the inner wall of the first discharge hole, one end of the other spring is fixedly connected with the limiting block, the other end of the other spring is fixedly connected with the inner wall of the screening box, and the eccentric wheel is in sliding connection with the surface of the limiting block.

As a preferable scheme of the utility model, the outer surface of the screening box is fixedly connected with a second discharging channel matched with the second discharging hole, and the outer surface of the second discharging channel is fixedly provided with a second material receiving box matched with the second discharging channel.

As a preferable scheme of the utility model, the scraping mechanism comprises a second motor, the second motor is arranged in the conical vibrating table, the output end of the second motor is fixedly connected with a rotating shaft, the rotating shaft is rotationally connected with the top of the conical vibrating table, the surface of the rotating shaft is symmetrically and fixedly connected with a fixing rod, and the bottom of the fixing rod is fixedly provided with a scraping plate matched with a second screen.

As a preferable scheme of the utility model, a control panel is arranged on the outer surface of the screening box, and the control panel is electrically connected with a vibrating motor, a first motor, a second motor and external motors of the two crushing rollers.

The beneficial effects achieved by the utility model are as follows: the utility model has compact structure and strong practicability, and the arranged pair of crushing rollers can crush the agglomerated powder, so that the influence on the subsequent screening operation is avoided; the vibration mechanism can drive the vibration frame to vibrate up and down, the powder is primarily screened through the first screen, and meanwhile, large-particle powder filtered out can be discharged from the first discharge port and enter the first material receiving box through the first discharge channel; the scraping mechanism that sets up can be at the in-process of toper shaking table vibration, carries out the aversion to the powder at No. two screen cloth tops, avoids appearing the accumulational phenomenon of powder, and the powder of filtering out simultaneously can get into in the second material receiving case through the second discharge gate via second discharge channel, makes things convenient for subsequent processing.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic elevational cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the utility model at A;

fig. 4 is a schematic structural view of a scraping mechanism of the utility model.

In the figure: 1. a screening box; 2. a vibration mechanism; 21. a motor I; 22. an eccentric wheel; 23. a limiting block; 24. a first stop lever; 25. a first spring; 3. a scraping mechanism; 31. a motor II; 32. a rotating shaft; 33. a fixed rod; 34. a scraper; 4. a feeding port; 5. a crushing roller; 6. a vibration frame; 7. a first screen; 8. a first discharge port; 9. a first discharge channel; 10. a first receiving bin; 11. a conical vibration table; 12. a second screen; 13. a second discharge port; 14. a second limit rod; 15. a second spring; 16. a vibration motor; 17. a second discharge channel; 18. a second receiving bin; 19. and a control panel.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Examples

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the utility model provides a multistage powder screening mechanism, which comprises a screening box 1, wherein a feeding port 4 is arranged at the top of the screening box 1, crushing rollers 5 are symmetrically arranged below the feeding port 4 and inside the screening box 1, a vibrating frame 6 is arranged below the two crushing rollers 5, a first screen 7 is fixedly arranged inside the vibrating frame 6, a vibrating mechanism 2 matched with the vibrating frame 6 is arranged inside the screening box 1, a conical vibrating table 11 is arranged below the first screen 7, a second screen 12 is arranged on the surface of the conical vibrating table 11, a scraping mechanism 3 matched with the second screen 12 is arranged above the conical vibrating table 11, a vibrating motor 16 is fixedly arranged at the bottom of the conical vibrating table 11, a second discharging port 13 matched with the conical vibrating table 11 is arranged on the surface of the screening box 1, a second limit rod 14 is fixedly connected with a second spring 15, one end of the second spring 15 is fixedly connected with the conical vibrating table 11, the other end of the second spring 15 is fixedly connected with the inner wall of the second discharging port 13, a conical vibrating mechanism 12 is fixedly connected with the inner wall of the second screen 12, the second screen 12 is driven by the vibrating motor 5, powder is firstly vibrated by the vibrating mechanism to be separated by the vibrating table 12, and then the powder is subjected to vibration by the vibrating mechanism through the first screen 12, and the vibrating mechanism is discharged by the vibrating table 2, and the powder is discharged by the vibrating mechanism through the vibrating table 3, and the vibrating mechanism is completely and the powder is completely and discharged by the vibrating mechanism.

Further, screening case 1 surface is equipped with the first discharge gate 8 that uses with the cooperation of screen cloth 7 No. one, screening case 1 surface fixedly connected with and the first discharge gate 8 cooperation use first discharge channel 9, screening case 1 surface fixed mounting have with the first material receiving box 10 of first discharge channel 9 cooperation use, during operation, the powder of filtering out by screen cloth 7 No. one is discharged from first discharge gate 8, gets into in the first material receiving box 10 via first discharge channel 9.

Further, vibration mechanism 2 includes motor 21 and two first gag lever posts 24, motor 21 fixed mounting is in screening case 1 surface, motor 21 output fixedly connected with eccentric wheel 22, one of them first gag lever post 24 and first discharge gate 8 inner wall fixed connection and with vibrating frame 6 sliding connection, another first gag lever post 24 and screening case 1 inner wall fixed connection and surface sliding connection have stopper 23, two first gag lever posts 24 surface all overlap and are equipped with spring 25, one of them spring 25 one end and vibrating frame 6 fixed connection and the other end and first discharge gate 8 inner wall fixed connection, another spring 25 one end and stopper 23 fixed connection and other end and screening case 1 inner wall fixed connection, eccentric wheel 22 and stopper 23 surface sliding connection, during operation, start motor 21 and drive eccentric wheel 22 rotation, because of the existence of spring 25, eccentric wheel 22 drives stopper 23 reciprocates, stopper 23 drives vibrating frame 6 and vibrates from top to bottom.

Further, the outer surface of the screening box 1 is fixedly connected with a second discharging channel 17 matched with the second discharging port 13, a second material receiving box 18 matched with the second discharging channel 17 is fixedly arranged on the outer surface of the second discharging channel 17, and powder filtered out by the second screen 12 enters the second material receiving box 18 through the second discharging port 13 and the second discharging channel 17 during operation.

Further, the scraping mechanism 3 comprises a motor No. two 31, the motor No. two 31 is arranged in the conical vibrating table 11, the output end of the motor No. two 31 is fixedly connected with a rotating shaft 32, the rotating shaft 32 is rotationally connected with the top of the conical vibrating table 11, the surface of the rotating shaft 32 is symmetrically and fixedly connected with a fixing rod 33, a scraping plate 34 matched with the screen No. two 12 is fixedly arranged at the bottom of the fixing rod 33, during operation, the motor No. two 31 is started to drive the rotating shaft 32 to rotate, the rotating shaft 32 drives the fixing rod 33 to rotate, and the fixing rod 33 drives the scraping plate 34 to scrape the top of the screen No. two 12.

Further, the screening case 1 surface is equipped with control panel 19, and control panel 19 is electric connection with vibrating motor 16, no. one motor 21, no. two motors 31 and the external motor of two crushing rollers 5, realizes integrated control through control panel 19, conveniently operates.

Specifically, when the powder sieving machine is used, powder to be sieved is added from the feeding port 4, the external motors of the two crushing rollers 5 are started firstly, the agglomerated powder is crushed through the crushing rollers 5, then the first motor 21 is started to drive the eccentric wheel 22 to rotate, because of the existence of the first spring 25, the eccentric wheel 22 drives the limiting block 23 to move up and down, the limiting block 23 drives the vibrating frame 6 to vibrate up and down, powder filtered out by the second sieve 12 enters the second material receiving box 18 through the second material outlet 13 through the second material outlet 17, the vibrating motor 16 is started again to drive the conical vibrating table 11 to vibrate, the powder is secondarily sieved through the second sieve 12, the second motor 31 is started to drive the rotating shaft 32 to rotate, the fixed rod 33 is driven by the rotating shaft 32 to drive the scraper 34 to scrape the top of the second sieve 12, and powder filtered out by the second sieve 12 enters the second material receiving box 18 through the second material outlet 13 through the second material outlet 17.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a multistage powder screening mechanism, includes screening case (1), its characterized in that, screening case (1) top is equipped with feed inlet (4), feed inlet (4) below just is located screening case (1) inside symmetry and is equipped with crushing roller (5), two crushing roller (5) below is equipped with vibrating frame (6), vibrating frame (6) inside fixed mounting has a screen cloth (7), screening case (1) inside is equipped with vibrating mechanism (2) that use with vibrating frame (6) cooperation, be equipped with toper shaking table (11) below screen cloth (7), toper shaking table (11) surface is equipped with No. two screen cloth (12), toper shaking table (11) top be equipped with scrape material mechanism (3) that use with No. two screen cloth (12), toper shaking table (11) bottom fixed mounting has vibrating motor (16), screening case (1) surface is equipped with second discharge gate (13) that use with toper shaking table (11) cooperation, second discharge gate (13) inside fixed connection has second end spring (14), second end fixed connection (15) stop spring (15), the other end of the second spring (15) is fixedly connected with the inner wall of the second discharging hole (13).

2. The multistage powder screening mechanism according to claim 1, wherein a first discharge port (8) matched with a first screen (7) is formed in the surface of the screening box (1), a first discharge channel (9) matched with the first discharge port (8) is fixedly connected to the outer surface of the screening box (1), and a first material receiving box (10) matched with the first discharge channel (9) is fixedly arranged on the outer surface of the screening box (1).

3. The multistage powder screening mechanism according to claim 1, wherein the vibration mechanism (2) comprises a first motor (21) and two first limit rods (24), the first motor (21) is fixedly installed on the outer surface of the screening box (1), an eccentric wheel (22) is fixedly connected to the output end of the first motor (21), one of the first limit rods (24) is fixedly connected with the inner wall of the first discharging hole (8) and is slidably connected with the vibrating frame (6), the other first limit rod (24) is fixedly connected with the inner wall of the screening box (1) and is slidably connected with a limiting block (23), a spring (25) is sleeved on the surfaces of the two first limit rods (24), one end of the first spring (25) is fixedly connected with the vibrating frame (6) and the other end of the first spring is fixedly connected with the inner wall of the first discharging hole (8), one end of the other first spring (25) is fixedly connected with the limiting block (23) and the other end of the first spring is fixedly connected with the inner wall of the screening box (1), and the other end of the first spring (25) is slidably connected with the surface of the limiting block (23).

4. The multistage powder screening mechanism according to claim 1, wherein a second discharging channel (17) matched with the second discharging port (13) is fixedly connected to the outer surface of the screening box (1), and a second material receiving box (18) matched with the second discharging channel (17) is fixedly arranged on the outer surface of the second discharging channel (17).

5. The multistage powder screening mechanism according to claim 1, wherein the scraping mechanism (3) comprises a second motor (31), the second motor (31) is arranged inside the conical vibrating table (11), the output end of the second motor (31) is fixedly connected with a rotating shaft (32), the rotating shaft (32) is rotationally connected with the top of the conical vibrating table (11), fixing rods (33) are symmetrically and fixedly connected to the surface of the rotating shaft (32), and scraping plates (34) matched with the second screen (12) are fixedly arranged at the bottom of the fixing rods (33).

6. The multistage powder screening mechanism according to claim 5, wherein a control panel (19) is arranged on the outer surface of the screening box (1), and the control panel (19) is electrically connected with an external motor of the vibration motor (16), the first motor (21), the second motor (31) and the two crushing rollers (5).