CN219210231U

CN219210231U - Screening mechanism for pulverizer

Info

Publication number: CN219210231U
Application number: CN202320538188.XU
Authority: CN
Inventors: 毋晓冰
Original assignee: Xi'an Jihe Agricultural Technology Co ltd
Current assignee: Xi'an Jihe Agricultural Technology Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-06-20
Anticipated expiration: 2033-03-20

Abstract

The utility model discloses a screening mechanism for a pulverizer, and belongs to the technical field of screening machines. The screening system includes: a support frame and a screening device; the top of the supporting frame is fixedly connected with a guide rail; the screening device comprises: the bottom of the charging plate is connected with a pulley which is connected to the guide rail in a sliding way; the top of the charging plate is fixedly connected with a plurality of screening plates, the screening plates are sequentially distributed at the top of the charging plate from top to bottom, and the pore diameters of the screening plates are gradually reduced from top to bottom; the supporting frame is also connected with a driving device, and the driving device is connected with the charging plate and is used for driving the charging plate to drive a plurality of screening plates to reciprocate. The driving device screens the materials of the uppermost screening plate step by step when driving the charging plate to reciprocate, so that the materials can be screened step by step once, the screening plates with different particle diameters do not need to be replaced, and the working efficiency is improved.

Description

Screening mechanism for pulverizer

Technical Field

The utility model relates to the technical field of screening machines, in particular to a screening mechanism for a pulverizer.

Background

The screening machine has the screening function of the crushed materials of the crusher, is generally applied to industrial production, and has the advantage of improving the screening efficiency.

In the prior art, a vibration exciter drives a sieve plate to screen materials on the sieve plate, but the sieve plates with different apertures need to be replaced for multiple times when the materials are screened step by step in the prior art, so that the working efficiency is low.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a screening mechanism for a pulverizer. The screening system includes: a support frame and a screening device;

the top of the supporting frame is fixedly connected with a guide rail;

the screening device comprises: the bottom of the charging plate is connected with a pulley which is connected to the guide rail in a sliding way;

the top of the charging plate is fixedly connected with a plurality of screening plates, the screening plates are sequentially distributed at the top of the charging plate from top to bottom, and the pore diameters of the screening plates are gradually reduced from top to bottom;

the supporting frame is also connected with a driving device, and the driving device is connected with the charging plate and is used for driving the charging plate to drive a plurality of screening plates to reciprocate.

Further, the driving device includes: the motor is fixedly connected to the bottom of the supporting frame, and the output end of the motor is fixedly connected with a first synchronous belt wheel;

the top of the supporting frame is movably connected with a rotating shaft, a second synchronous pulley is sleeved on the rotating shaft, the rotating shaft is fixedly connected with the second synchronous pulley, and a synchronous belt is connected between the first synchronous pulley and the second synchronous pulley;

one end fixedly connected with carousel of pivot, the carousel is kept away from the eccentric position of lateral wall of pivot is fixedly connected with first connecting rod, it is connected with the second connecting rod to rotate on the second connecting rod, the other end of second connecting rod with the lateral wall of loading board rotates to be connected.

Further, the guide rail is inclined downward in a direction away from the driving device.

Further, the loading plate and the screening plate are far away from the side wall of the driving device, are provided with openings, and are fixedly connected with guide plates.

Further, the width of the deflector gradually decreases with the distance from the loading plate and the screening plate.

Further, the outlet end of the guide plate is detachably connected with a baffle plate.

Further, sliding grooves are formed in two opposite sides of the outlet end of the guide plate, and two ends of the baffle are located in the sliding grooves.

The technical scheme provided by the utility model has the beneficial effects that: in the utility model, the guide rail and the driving device are arranged on the supporting frame, the guide rail is connected with the charging plate in a sliding way through the pulleys, the top of the charging plate is connected with the screening plates, the pore diameters of the screening plates gradually decrease from top to bottom, the driving device is connected with the charging plate, and the driving device screens the materials of the uppermost screening plate step by step when driving the charging plate to reciprocate, so that the materials can be screened step by step at one time, the replacement of screening plates with different particle diameters is not needed, and the working efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of a screening mechanism for a pulverizer, provided by the utility model;

FIG. 2 is a schematic diagram of a driving apparatus according to the present utility model;

fig. 3 is a schematic structural view of an outlet end of a baffle provided by the present utility model.

Reference numerals: 1-a support frame; 2-a guide rail; 3-a loading plate; 4-pulleys; 5-screening plates; 6-a motor; 7-a first synchronous pulley; 8-rotating shaft; 9-a second synchronous pulley; 10-synchronous belt; 11-a turntable; 12-a first link; 13-a second link; 14-a deflector; 15-baffle plates; 16-chute.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the embodiments of the present utility model will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-3, a screening mechanism for a pulverizer, comprising: a support frame 1 and screening means; the top welding of braced frame 1 has two guide rails 2, is located the side of the one end of two guide rails 2, still is connected with drive arrangement on braced frame 1, and drive arrangement includes: the motor 6, the motor 6 passes through the bolt assembly to be fixed in braced frame 1 bottom, the output welding of motor 6 has first synchronous pulley 7, be located first synchronous pulley 7, there is pivot 8 at braced frame 1 top through bearing swing joint, the cover is equipped with second synchronous pulley 9 in the pivot 8, and pivot 8 and the welding of second synchronous pulley 9, be connected with hold-in range 10 between first synchronous pulley 7 and the second synchronous pulley 9, the one end welding of pivot 8 has carousel 11, the eccentric position welding of the lateral wall that carousel 11 kept away from pivot 8 has first connecting rod 12, the last rotation of first connecting rod 12 is connected with second connecting rod 13.

The screening device comprises: the feeding plate 3, the feeding plate 3 includes a bottom plate and side plates fixedly connected to the periphery of the bottom plate, four pulleys 4 are connected to the bottom of the feeding plate 3, the pulleys 4 are respectively connected to the two guide rails 2 in a sliding manner in a group of two, the top of the feeding plate 3 is fixedly connected with a plurality of screening plates 5, the screening plates 5 also include a bottom plate and side plates fixedly connected to the periphery of the bottom plate, in the utility model, the plurality of screening plates 5 are sequentially distributed from top to bottom at the top of the feeding plate 3, a plurality of through holes are formed in the bottom plate of the screening plates 5, and the pore diameters of the through holes of the plurality of screening plates 5 are gradually reduced from top to bottom; one end of the second connecting rod 13 far away from the first connecting rod 12 is rotationally connected with the side wall of the charging plate 3, and the charging plate 3 is driven to drive the screening plates 5 to reciprocate, so that the materials placed at the top are gradually screened downwards.

The guide rail 2 is arranged in a downward inclined manner in a direction away from the driving device, and the inclination angle is 0-10 degrees, so that after screening is completed, the screened materials are guided out, the side walls of the charging plate 3 and the screening plate 5 away from the driving device are provided with openings, and are fixedly connected with the guide plates 14, and the widths of the guide plates 14 in the direction away from the charging plate 3 and the screening plate 5 are gradually reduced, so that the guided materials are packed; the chute 16 is arranged on the opposite sides of the outlet end of the guide plate 14, the baffle 15 is movably connected in the chute 16, the outlet end of the guide plate 14 can be sealed by the baffle 15 during screening, and the baffle 15 is taken down after screening is completed to guide out materials.

The complete workflow of the utility model may be: the crushed materials of the crusher are placed on the uppermost screening plate 5, the motor 6 is started, the motor 6 drives the first synchronous pulley 7 to rotate, the first synchronous pulley 7 is sleeved with the synchronous belt 10 to drive the second synchronous pulley 9 to rotate, the second synchronous pulley 9 drives the rotating shaft 8 to rotate, the rotating shaft 8 drives the first connecting rod 12 to rotate, the first connecting rod 12 drives the second connecting rod 13 to reciprocate, and accordingly the charging plate 3 is driven to reciprocate along the guide rail, so that the uppermost materials are subjected to reciprocating motion to be screened, the materials with the largest particle size are left on the uppermost screening plate 5, the small-particle-size materials are dropped on the lower screening plate 5, and the like until the materials with the smallest particle size are dropped on the charging plate 3, after screening is completed, the baffle 15 is pulled out, and the screened materials are taken out from the outlet end of the guide plate 14.

It is worth to say that in the utility model, the guide rail and the driving device are arranged on the supporting frame, the guide rail is connected with the charging plate in a sliding way through the pulleys, the top of the charging plate is connected with a plurality of screening plates, the aperture of the screening plates is gradually reduced from top to bottom, the driving device is connected with the charging plate, and the driving device screens the material of the uppermost screening plate step by step when driving the charging plate to reciprocate, so that the material can be screened step by step at one time, the screen plates with different particle sizes do not need to be replaced, and the working efficiency is improved.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. A screening mechanism for a pulverizer, the screening mechanism comprising: a support frame (1) and a screening device;

the top of the supporting frame (1) is fixedly connected with a guide rail (2);

the screening device comprises: the feeding plate (3), the bottom of the feeding plate (3) is connected with a pulley (4), and the pulley (4) is connected on the guide rail (2) in a sliding way;

the top of the charging plate (3) is fixedly connected with a plurality of screening plates (5), the screening plates (5) are sequentially distributed at the top of the charging plate (3) from top to bottom, and the pore diameters of the screening plates (5) are gradually reduced from top to bottom;

the supporting frame (1) is also connected with a driving device, and the driving device is connected with the charging plate (3) and is used for driving the charging plate (3) to drive a plurality of screening plates (5) to reciprocate.

2. A screening mechanism for a pulverizer as defined in claim 1, wherein said drive means comprises: the motor (6), the said motor (6) is fixedly connected to the bottom of said support frame (1), the output end of the said motor (6) is fixedly connected with the first synchronous pulley (7);

the top of the supporting frame (1) is movably connected with a rotating shaft (8), a second synchronous pulley (9) is sleeved on the rotating shaft (8), the rotating shaft (8) is fixedly connected with the second synchronous pulley (9), and a synchronous belt (10) is connected between the first synchronous pulley (7) and the second synchronous pulley (9);

one end fixedly connected with carousel (11) of pivot (8), carousel (11) are kept away from the eccentric position of lateral wall of pivot is fixedly connected with first connecting rod (12), rotate on first connecting rod (12) and be connected with second connecting rod (13), the other end of second connecting rod (13) with the lateral wall of loading board (3) rotates and is connected.

3. A screening mechanism for a pulverizer as claimed in claim 2, wherein the guide rail (2) is inclined downwardly away from the drive means.

4. A screening mechanism for a pulverizer as claimed in claim 2, wherein the loading plate (3) and the screening plate (5) are open at the side wall remote from the drive means and are fixedly connected with a deflector (14).

5. A screening mechanism for a pulverizer as claimed in claim 4, wherein the width of the deflector (14) gradually decreases with distance from the loading plate (3) and the screening plate (5).

6. A screening mechanism for a pulverizer as claimed in claim 5, wherein the outlet end of the deflector (14) is detachably connected with a baffle (15).

7. A screening mechanism for a pulverizer as claimed in claim 6, wherein the guide plate (14) has a chute (16) formed on opposite sides of its outlet end, and both ends of the baffle (15) are located in the chute (16).