CN220310969U - Stone bits system sand wind selector - Google Patents

Abstract

The utility model discloses a stone dust sand making winnowing device which comprises a wind washing box, wherein a feeding cavity is formed in the top of the wind washing box, a buffer plate and a guide plate are arranged in the feeding cavity, a pushing plate is slidably arranged on the buffer plate along the buffer plate, a screening plate is arranged on the top of the pushing plate, a flying slideway is fixedly arranged at an inlet of the top of the wind washing box, a baffle is fixedly arranged in the wind washing box, the baffle is arranged at a position pointed by the extending direction of the tail end of the flying slideway, materials added into the device firstly fall onto the buffer plate and are pushed by the pushing plate to fall in batches, the falling materials are thrown at the tail end of the flying slideway after falling until the materials fall down after striking the baffle, at the moment, the vertical speed of the materials begin to accelerate from zero after striking, the materials are scattered without influencing each other in the falling process, and when the materials fall through a wind gap, the speed and the moving direction of the materials have low influence on the screening result, so that the quality of the screening result is improved.

Description

Stone bits system sand wind selector

Technical Field

The utility model relates to the field of sand making, in particular to a stone dust sand making winnowing device.

Background

The stone powder is mixed with sand materials meeting the specification and partial smaller-particle-size powder materials generated after the stone materials are crushed in a multi-section way, the stone powder content of the materials below 3mm is controlled to be within 5%, the methylene blue value is ensured to reach the standard, the materials are screened through the wind power screening equipment, the water washing can be replaced by winnowing, the waste water generation and treatment links are reduced, accurate water control and powder control are realized, the added value of products is improved, but the common wind power separating screening equipment is mainly directly poured when the materials are added, the materials fall to the position of the wind power equipment from a higher height difference, the falling speed is higher after a period of time, the screening effect is not facilitated, and meanwhile, the materials collide with each other or collide with the equipment in the falling process, so that the falling track is changed, and the screening result is error.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide the stone dust sand making winnowing device, which solves the existing pain point in the field.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a stone bits system sand wind selector, includes the wind wash tank, wind wash tank top is provided with the feed chamber, be provided with buffer memory board and deflector in the feed chamber, follow on the buffer memory board slidable mounting has the pushing plate, the pushing plate top is provided with the screening board, the pushing plate can with the powder of screening board screen cloth pushes out outside the feed chamber, wind wash tank top entrance fixed mounting has the leapfrog slide, fixed mounting has the baffle in the wind wash tank, the baffle set up in the terminal extending direction of leapfrog slide indicates the position, the baffle below be provided with the fan in the wind wash tank, the fan can be through the powder of wind-force separation whereabouts.

Preferably, a driving plate is fixedly arranged on one side of the sieving plate far away from the pushing plate, the driving plate is arranged outside the feeding cavity and is connected with a cylinder fixedly arranged outside the feeding cavity,

preferably, a dust collecting groove is arranged on the outer side of the air washing box, and powder pushed out by the pushing plate falls into the dust collecting groove.

Preferably, the bottom of the air washing box is divided into a powder tank and a sand tank by a partition plate.

In summary, compared with the prior art, the utility model has the following beneficial effects: the device is provided with the buffer memory board in the feed channel, and the material in the joining equipment falls on the buffer memory board at first to push away through pushing away the batch of flitch and drop the material that drops and throw at its end after the slip of leaping the slide way, until the baffle whereabouts after striking, the vertical velocity of material is accelerated from zero this moment, and the material spreads out after striking, can not influence each other at whereabouts in-process, when the material whereabouts through the wind gap, material velocity and direction of motion are all lower to screening result influence, thereby improve screening result's quality.

Drawings

The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present utility model will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. Several embodiments of the present utility model are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:

fig. 1 is a schematic structural view of a stone chip sand making winnowing device.

Reference numerals illustrate: 10. a wind washing box; 11. a feed chamber; 12. a buffer plate; 13. a pushing plate; 14. a screening plate; 15. a driving plate; 16. a guide plate; 17. leaping on the slideway; 18. a baffle; 19. a dust collection tank; 20. a blower; 21. a partition plate; 22. a powder tank; 23. sand trough.

Description of the embodiments

The utility model is described in further detail below with reference to the accompanying drawings.

The utility model provides a stone bits system sand wind selector, includes the wind wash tank 10, wind wash tank 10 top is provided with feed chamber 11, be provided with buffer memory 12 and deflector 16 in the feed chamber 11, buffer memory 12 with the deflector 16 structure is as shown in fig. 1, deflector 16 can shelter from the opening of buffer memory 12 blocks to add sand in the feed chamber 11 directly falls, buffer memory 12 is gone up and follows buffer memory 12 slidable mounting has ejector pad 13, ejector pad 13 can with sand on the buffer memory 12 is followed buffer memory 12 pushes down, ejector pad 13 top is provided with screening board 14, screening board 14 can be to the interpolation sand in the feed chamber 11 carries out preliminary screening, ejector pad 13 can with the powder under the screening board 14 is released outside the feed chamber 11, screening board 14 keeps away from ejector pad 13 one side fixed mounting has drive plate 15, drive plate 15 set up in feed chamber 11 is gone out in the drive cylinder 15 with the drive cylinder 13 is gone into the dust collection hopper 13 is gone into to the ejector pad 13 and is gone into the dust collection hopper 13 is gone into to the dust bowl 13.

The top entrance of the wind washing box 10 is fixedly provided with a flying slide 17, sand falling from the feeding cavity 11 falls onto the flying slide 17 and moves along the flying slide 17 until being thrown out when the flying slide 17 is at the tail end, the wind washing box 10 is fixedly provided with a baffle 18, the baffle 18 is arranged at a position pointed by the extending direction of the tail end of the flying slide 17, the baffle 18 can block the sand thrown from the flying slide 17, the sand vertically falls after striking the baffle 18, a fan 20 is arranged in the wind washing box 10 below the baffle 18, and the fan 20 can separate falling powder through wind force.

The bottom of the air washing box 10 is divided into a powder groove 22 and a sand groove 23 by a partition plate 21, the sand groove 23 is arranged below the baffle 18, sand with larger grain size directly falls into the sand groove 23 without being influenced by wind power, and separated powder falls into the powder groove 22 with farther grain size.

The foregoing is merely exemplary embodiments of the present utility model and is not intended to limit the scope of the utility model, which is defined by the appended claims.

Claims (4)

1. A stone chip sand making wind selector, its characterized in that: including wind wash tank (10), wind wash tank (10) top is provided with feed chamber (11), be provided with buffer memory board (12) and deflector (16) in feed chamber (11), follow on buffer memory board (12) slidable mounting has pushing away flitch (13), it is provided with screening board (14) to push away flitch (13) can with the powder of screening board (14) sieve is released outside feed chamber (11), fixed mounting has flight slide (17) in wind wash tank (10) top entrance, fixed mounting has baffle (18) in wind wash tank (10), baffle (18) set up in the terminal extending direction of flight slide (17) indicates the position, be provided with fan (20) in wind wash tank (10) below baffle (18), the powder that fan (20) can fall through wind-force separation.

2. A stone chip sand making winnowing device according to claim 1, characterized in that: the screening plate (14) is kept away from pushing away flitch (13) one side fixed mounting has drive plate (15), drive plate (15) set up in outside feed chamber (11), drive plate (15) with fixed mounting in the cylinder in feed chamber (11) outside is connected.

3. A stone chip sand making winnowing device according to claim 1, characterized in that: a dust collecting groove (19) is arranged on the outer side of the air washing box (10).

4. A stone chip sand making winnowing device according to claim 1, characterized in that: the bottom of the air washing box (10) is divided into a powder groove (22) and a sand groove (23) through a partition plate (21).