CN219464002U - Multi-layer screening device - Google Patents

Abstract

The utility model provides a multi-layer screening device, which relates to the technical field of screening devices and comprises a main frame, wherein a discharging pipe is fixedly arranged at the bottom end of the main frame, a supporting frame is fixedly arranged at the edge of the bottom end of the main frame, a feeding hopper is fixedly arranged at the top end of the main frame, a screen B is arranged at the top end of the inside of the main frame, a screen A is arranged at the bottom end, close to the screen B, of the main frame, baffles are fixedly arranged around the top ends of the screen A and the screen B, guide plates are fixedly arranged at one ends of the screen A and the screen B, and a vibration pump is fixedly arranged at the bottom ends of the screen A and the screen B. According to the utility model, through the arrangement of the screen A and the screen B, the screening device can screen the raw materials for multiple times when in use, so that the screening effect of the raw materials is better, the phenomenon that the raw material rubber is required to be screened secondarily is avoided, the screening effect of the raw materials is better, and the screening device is more practical.

Description

Multi-layer screening device

Technical Field

The utility model relates to the technical field of screening devices, in particular to a multi-layer screening device.

Background

When concrete is processed, the raw materials of the concrete need to be screened, and in this case, a screening device is needed.

Publication number CN217017421U discloses high-efficient sieving mechanism that concrete processing used, the power distribution box comprises a box body, the surface mounting of box has the chamber door, the last surface mounting of box has the hopper down, the inner wall fixedly connected with two slide rails of box, two the slide rail is one side sliding connection that is close to each other has the sieve, the upper surface of sieve is equipped with the structure of strickleing, the structure of strickleing includes the scraper blade, the lower surface and the sieve sliding connection of scraper blade, the last surface fixedly connected with U-shaped pull rod of scraper blade, the arc surface sliding connection of U-shaped pull rod has the slide, the last surface fixedly connected with motor of slide, the output fixedly connected with connecting rod of motor, the one end fixedly connected with gear of motor is kept away from to the connecting rod, and although this structure has solved traditional sieving mechanism and is carried out screening to concrete, and when handling, the concrete can pile up on the sieve, the problem that the reduction sieving mechanism sieves efficiency to concrete, but when carrying out the screening to concrete raw materials, generally carry out the screening through the individual layer screen cloth, the individual layer screen cloth can not thoroughly to the effect, and can not thoroughly need to carry out the improvement to the screening effect to the secondary, so that the screening effect need to reduce the secondary to carry out the sieving to the sieving mechanism

Publication number CN216827097U discloses a grit sieving mechanism for concrete processing, including bottom plate and blowing case, the blowing case is located the top of bottom plate, the bottom surface fixedly connected with of blowing case supports the telescopic link, the lower extreme of supporting the telescopic link and the last fixed surface of bottom plate are connected, the top of blowing case is provided with the conveyer pipe, the rear end of conveyer pipe passes through connecting plate fixed connection with the upper surface of bottom plate, the surface rotation of conveyer pipe has cup jointed two turntables, be provided with the deflector between two turntables, turntables and deflector all are located the top of blowing case, the both ends of deflector respectively with two turntables fixed connection, though this structure is through setting up deflector, support the telescopic link, reclaimer and slide plate, the effect of sieving the raw materials in batches has been reached, a large amount of raw materials have been solved and have formed the jam to the sieve easily, cause the lower problem of screening efficiency, but when sieving good powdered material and going out the ejection of compact, because of powdered material quality is lighter, result in the powder to float in the air when the ejection of compact, make the workman inhale a large amount of dust, so that the health of workman need improve.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a multi-layer screening device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a multilayer formula sieving mechanism, includes the main frame, the bottom fixed mounting of main frame has the discharging pipe, the bottom edge fixed mounting of main frame has the support frame, the top fixed mounting of main frame has the feeder hopper, the inside top of main frame is provided with screen cloth B, the inside bottom that is close to screen cloth B of main frame is provided with screen cloth A, equal fixed mounting all around on screen cloth A and screen cloth B top has the baffle, the equal fixed mounting of one end of screen cloth A and screen cloth B has the guide plate, the equal fixed mounting in bottom of screen cloth A and screen cloth B has the vibrating pump, the telescopic link is all installed in screen cloth A and screen cloth B's four corners.

In order to facilitate the vibration of the screen A, the utility model is improved in that both sides of the main frame are provided with discharge holes, and the discharge holes are in sliding connection with the guide plates.

In order to limit the moving position of the raw materials on the guide plate, the utility model is improved in that the baffle plate is fixedly arranged between the baffle plate and the guide plate.

In order to keep the telescopic rod always to keep a force towards the direction of the screen A, the utility model is improved in that the spring is arranged in the telescopic rod, and the telescopic rod is arranged in the main frame.

In order to facilitate the fixation of the dust cover, the utility model is improved in that the bottom end of the discharging pipe is provided with the dust-proof mechanism, the dust-proof mechanism comprises a hollow block, the hollow block is fixedly arranged at the bottom end of the surface of the discharging pipe, a movable plate is arranged in the hollow block in a penetrating way, the bottom end of the discharging pipe is provided with a fixed ring, and the bottom end of the fixed ring is fixedly provided with the dust cover.

In order to facilitate the control of the discharging of the screening device, the utility model is improved in that one end of the movable plate is fixedly provided with a handle, and the movable plate is in sliding connection with the hollow block.

In order to enable the dust cover to be detachable, the utility model is improved in that a bolt is arranged at the bottom end of the fixed ring in a penetrating way at the position close to the dust cover, the bolt is connected with the fixed ring in a sliding way, and the bolt is connected with the discharging pipe in a threaded way.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, through the arrangement of the screen A and the screen B, the screening device can screen the raw materials for multiple times when in use, so that the screening effect of the raw materials is better, the phenomenon that the raw material rubber is required to be screened secondarily is avoided, the screening effect of the raw materials is better, and the screening device is more practical.

2. According to the utility model, through the arrangement of the dust cover, the powder screened by the screening device can be prevented from being dust-proof through the dust cover when discharged, so that the powder cannot fly everywhere in the discharging process, the phenomenon that the powder flies into the air when discharged, and the phenomenon that the worker inhales dust to influence the health of the worker is avoided, and the screening device is more practical.

Drawings

FIG. 1 is a schematic diagram of a multi-layered screening apparatus according to the present utility model;

FIG. 2 is a schematic diagram of a part of an exploded structure of a multi-layered screening apparatus according to the present utility model;

fig. 3 is an enlarged view of fig. 2 a of a multi-layered screening apparatus according to the present utility model.

Legend description:

1. a main frame; 2. a feed hopper; 3. a deflector; 4. a discharge pipe; 5. a baffle; 6. a telescopic rod; 7. a screen A; 8. a discharge hole; 9. a vibration pump; 10. a dust cover; 11. a hollow block; 12. a movable plate; 13. a fixing ring; 14. a bolt; 15. a support frame; 16. and (3) a screen B.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Example 1

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a multilayer formula sieving mechanism, including main frame 1, discharging hole 8 has all been seted up to the both sides of main frame 1, sliding connection between discharging hole 8 and the guide plate 3, the bottom fixed mounting of main frame 1 has discharging pipe 4, the bottom edge fixed mounting of main frame 1 has support frame 15, the top fixed mounting of main frame 1 has feeder hopper 2, the inside top of main frame 1 is provided with screen cloth B16, the inside bottom that is close to screen cloth B16 of main frame 1 is provided with screen cloth A7, equal fixed mounting all around on screen cloth A7 and screen cloth B16 top has baffle 5, equal fixed mounting of one end of screen cloth A7 and screen cloth B16 has guide plate 3, fixed mounting between baffle 5 and the guide plate 3, the bottom of screen cloth A7 and screen cloth B16 is equal fixed mounting has vibrating pump 9, telescopic link 6 is all installed in the four corners of screen cloth A7 and screen cloth B16, telescopic link 6 internally mounted has the spring, telescopic link 6 sets up the inside main frame 1, the design of spring is in order to make screen cloth A7 and screen cloth B16 can reciprocate in main frame 1, thereby reach the effect of screen cloth raw materials that screen cloth was sieved to screen cloth A7 and B16.

Example two

Referring to fig. 2-3, the bottom of discharging pipe 4 is provided with dustproof mechanism, dustproof mechanism includes cavity piece 11, cavity piece 11 fixed mounting is in the bottom on discharging pipe 4 surface, the inside of cavity piece 11 runs through and is provided with fly leaf 12, the one end fixed mounting of fly leaf 12 has the handle, sliding connection between fly leaf 12 and the cavity piece 11, the bottom of discharging pipe 4 is provided with solid fixed ring 13, gu fixed ring 13's bottom fixed mounting has dust cover 10, gu fixed ring 13's bottom is close to dust cover 10's position department and runs through and be provided with bolt 14, bolt 14's design is in order to make dust cover 10 dismantle, thereby be convenient for the dismantlement of dust cover 10 change, sliding connection between bolt 14 and the solid fixed ring 13, threaded connection between bolt 14 and the discharging pipe 4, dust cover 10's design is in order to make the powder that sieving mechanism has selected when the ejection of compact, can prevent dust through dust cover 10, make the powder can not appear the phenomenon that the drift in the ejection of compact process, it influences the healthy phenomenon of workman in the air to inhale dust when the ejection of compact, make the powder to inhale dust in the workman's body when the ejection of compact, make sieving mechanism more practical.

Working principle: when the screening device is used, firstly raw materials are poured into the main frame 1 from the feed hopper 2, then the vibration pump 9 is started, the screen A7 and the screen B16 are driven to move up and down in the main frame 1 by the starting of the vibration pump 9 due to the movement of the springs in the telescopic rod 6, the effect of screening the raw materials is achieved, the raw materials with larger particles are moved out of the main frame 1 from the guide plate 3, the powder with smaller particles is moved to the bottom end in the main frame 1, when the powder is moved out of the screening device, the handle is held at first and pulled outwards, the baffle 5 is driven to move in the hollow block 11 by the pulling of the handle until the baffle 5 moves away from the opening of the discharge pipe 4, the powder moves into the dust cover 10 from the discharge pipe 4, and then the screening device is moved out of the dust cover 10.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (7)

1. A multi-layer screening device comprising a main frame (1), characterized in that: the utility model discloses a vibrating screen comprises a main frame (1), a screen A (7), a screen B (16), a baffle (5) are fixedly installed around screen A (7) and screen B (16) top, guide plate (3) are fixedly installed to the one end of screen A (7) and screen B (16), vibrating pump (9) are fixedly installed to the bottom of screen A (7) and screen B (16), telescopic link (6) are all installed in the four corners of screen A (7) and screen B (16).

2. The multi-layered screening apparatus of claim 1, wherein: discharge holes (8) are formed in two sides of the main frame (1), and the discharge holes (8) are connected with the guide plates (3) in a sliding mode.

3. The multi-layered screening apparatus of claim 1, wherein: the baffle (5) is fixedly arranged between the baffle (3).

4. The multi-layered screening apparatus of claim 1, wherein: the telescopic rod (6) is internally provided with a spring, and the telescopic rod (6) is arranged in the main frame (1).

5. The multi-layered screening apparatus of claim 1, wherein: the bottom of discharging pipe (4) is provided with dustproof mechanism, dustproof mechanism includes cavity piece (11), cavity piece (11) fixed mounting is in the bottom on discharging pipe (4) surface, the inside of cavity piece (11) runs through and is provided with fly leaf (12), the bottom of discharging pipe (4) is provided with solid fixed ring (13), the bottom fixed mounting of solid fixed ring (13) has dust cover (10).

6. The multi-layered screening apparatus of claim 5, wherein: one end of the movable plate (12) is fixedly provided with a handle, and the movable plate (12) is in sliding connection with the hollow block (11).

7. The multi-layered screening apparatus of claim 5, wherein: the bottom of the fixed ring (13) is provided with a bolt (14) in a penetrating way at a position close to the dust cover (10), the bolt (14) is connected with the fixed ring (13) in a sliding way, and the bolt (14) is connected with the discharging pipe (4) in a threaded way.