CN212093088U

CN212093088U - Grit screening plant for construction that restriction dust scatters

Info

Publication number: CN212093088U
Application number: CN202020733332.1U
Authority: CN
Inventors: 王正辉
Original assignee: Xinchang Liangtao Building Materials Technology Co Ltd
Current assignee: Xinchang Liangtao Building Materials Technology Co Ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-12-08
Anticipated expiration: 2030-05-07

Abstract

The utility model discloses a grit screening plant for construction that restriction dust scatters, including screening machine main part, feed inlet main part and collection chamber main part, the embedded feed inlet main part that has in screening machine main part top, screening machine main part bottom has been seted up and has been collected the chamber main part, screening machine main part inner wall fixedly connected with screening board, the inside filtration pore of crossing of having seted up of screening board, the slotted hole has been seted up to screening inboard portion. The utility model discloses a screening board can separate sand and soil and stone with filtering the hole, it gets into the stone collecting box through first discharge gate and connecting pipe to drive the stone, the device, solved because traditional screening plant can't be better after the screening handle the result on the screen, the operator needs frequent handle the result on the screen, avoid it to cause the jam to the filter screen, the problem of the practicality of device has been reduced, the normal clear of screening has been guaranteed, can be better handle the result on the screen, holistic work efficiency has been promoted.

Description

Grit screening plant for construction that restriction dust scatters

Technical Field

The utility model relates to a construction technical field specifically is a grit screening plant for construction that restriction dust scatters.

Background

The process of dividing the material to be crushed into different size fractions by one or more layers of screening surface is called screening. The sieving machine is a sieving mechanical device which utilizes the relative movement of bulk materials and a sieve surface to lead partial particles to penetrate through sieve pores and divide materials such as sand, gravel, broken stone and the like into different grades according to the particle size. The screening process of the screening machine is generally continuous, after screening raw materials are fed onto a screen, which is a screening machine, the materials smaller than the size of the screen holes penetrate through the screen holes, and the materials are called undersize products; materials larger than the size of the screen holes are continuously discharged from the screen surface and are called oversize products, so that the existing sand and stone screening device for building construction for limiting dust scattering basically meets the requirements of people, but still has some problems.

The first problem is that: present restriction dust grit screening plant for construction that flies off because traditional screening plant can't be better after the screening handle the result on the sieve, the operator needs frequent handle the result on the sieve, avoids it to cause the jam to the filter screen, has reduced the practicality of device.

The second problem is that: in addition, the existing sand and stone screening device for building construction for limiting dust scattering is poor in working environment of an operator due to the fact that the dust of undersize products is easy to scatter when the traditional screening device is used, and therefore the sand and stone screening device for building construction for limiting dust scattering is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grit screening plant for construction that restriction dust scatters to solve the unable better product to sifting after screening of traditional screening plant that provides in the above-mentioned background art and handle, traditional screening plant easily leads to the problem that the dust of undersize product scatters everywhere when using.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a restriction dust grit screening plant for construction that flies, includes screening machine main part, feed inlet main part and collects the chamber main part, screening machine main part top is embedded to have the feed inlet main part, screening machine main part bottom has been seted up and has been collected the chamber main part, screening machine main part inner wall fixedly connected with screening board, the inside filtration pore of having seted up of screening board, the slotted hole has been seted up to screening inboard portion, the inside first pivot that has inlayed of slotted hole, the inside screening plant that is provided with of screening machine main part, the inside protector that is provided with of screening machine main part.

Preferably, the screening device comprises a screening plate, a filtering hole, a slotted hole, a first rotating shaft, balls, a first discharge hole, a connecting pipe and a stone collecting box, wherein the balls are fixedly connected to the outer wall of the first rotating shaft, the right end of the screening machine main body is provided with the first discharge hole, the right end of the first discharge hole is sleeved with the connecting pipe, and the bottom end of the connecting pipe is sleeved with the stone collecting box.

Preferably, the protective device comprises a partition plate, a second discharge port, a guide plate, a second rotating shaft, a sealing plate, a hinge rod, a fixed block, a sliding groove, a sliding block, a supporting plate, a telescopic rod and a spring, the partition plate is fixedly connected to the inner wall of the main body of the sieving machine, the second discharge port is embedded in the partition plate, the guide plate is fixedly connected to the top end of the second discharge port, the guide plate is fixedly connected to the inner wall of the main body of the sieving machine, the second rotating shaft is fixedly connected to the inner walls of the left side and the right side of the second discharge port, the sealing plate is sleeved on the outer wall of the second rotating shaft, the hinge rod is hinged to the outer wall of the sealing plate, the fixed block is hinged to the other end of the hinge rod, the sliding groove, the supporting plate top end fixedly connected with telescopic link, and telescopic link other end fixed connection in fixed block, the winding of telescopic link outer wall has the spring.

Preferably, the screening plate is arranged to be inclined, and the bottom end of the first discharge hole is arranged to be inclined.

Preferably, the shape of the guide plate is inclined, and the shape of one end of the sealing plate away from the second discharge hole is inclined.

Preferably, the maximum stretching length of the telescopic rod and the maximum stretching length of the spring are both greater than the length of the hinge rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the sand and stone screening device for building construction for limiting dust flying is provided with the screening plate, the filtering hole, the slotted hole, the first rotating shaft, the ball, the first discharge hole, the connecting pipe and the stone collecting box, when a mixture enters the interior of the screening machine main body through the feed inlet main body, sand and stone can be separated through the screening plate and the filtering hole, the stone is driven to enter the stone collecting box through the first discharge hole and the connecting pipe, and the stone can be collected;

2. the sand and stone screening device for building construction for limiting dust flying is provided with a partition plate, a second discharge hole, a guide plate, a second rotating shaft, a sealing plate, a hinge rod, a fixed block, a sliding groove, a sliding block, a supporting plate, a telescopic rod and a spring, when sand and soil enters the lower part of the screening plate, the sand and soil are directionally guided by the guide plate to enter the second discharge hole, the sand and soil extrude the sealing plate to drive the sealing plate to rotate through the second rotating shaft to drive the fixed block to move downwards, the spring deforms, after the sand and soil enters a collection cavity body through the second discharge hole, the sealing plate is driven to reversely rotate through the elastic action of the spring, and the second discharge hole is sealed through two groups of sealing plates, so that the problem that the dust of undersize products is easy to fly around when the traditional screening device is used and the working environment of an operator is poor is solved, the problem that sand is easy to fly up after being screened is avoided, and the working environment of an operator is improved.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of a front view cross section of the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 2 according to the present invention.

In the figure: 1. a screen main body; 2. a feed inlet body; 3. a collection chamber body; 411. a screening plate; 412. a filtration pore; 413. a slot; 414. a first rotating shaft; 415. a ball bearing; 416. a first discharge port; 417. a connecting pipe; 418. a stone collecting box; 511. a partition plate; 512. a second discharge port; 513. a baffle; 514. a second rotating shaft; 515. a sealing plate; 516. a hinged lever; 517. a fixed block; 518. a chute; 519. a slider; 520. a support plate; 521. a telescopic rod; 522. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a sand screening device for limiting dust flying for building construction comprises a screening machine main body 1, a feeding port main body 2 and a collecting cavity main body 3, wherein the feeding port main body 2 is embedded in the top end of the screening machine main body 1, the collecting cavity main body 3 is arranged at the bottom end of the screening machine main body 1, a screening plate 411 is fixedly connected to the inner wall of the screening machine main body 1, a filtering hole 412 is formed in the screening plate 411, a slotted hole 413 is formed in the screening plate 411, a first rotating shaft 414 is embedded in the slotted hole 413, a screening device is arranged in the screening machine main body 1 and comprises the screening plate 411, the filtering hole 412, the slotted hole 413, the first rotating shaft 414, a ball 415, a first discharging hole 416, a connecting pipe 417 and a stone collecting box 418, the ball 415 is fixedly connected to the outer wall of the first rotating shaft 414, a first discharging hole 416 is formed in the right end of the, the device solves the problems that the traditional screening device can not better process oversize products after screening, an operator needs to frequently process the oversize products to avoid blocking a filter screen, and the practicability of the device is reduced, so that the normal screening is ensured, the oversize products can be better processed, the overall working efficiency is improved, the screening plate 411 is inclined, the bottom end of the first discharge port 416 is inclined, stone blocks can be directionally conveyed, and the screening efficiency is improved;

and the interior of the sieving machine main body 1 is provided with a protective device, the protective device comprises a partition 511, a second discharge port 512, a guide plate 513, a second rotating shaft 514, a sealing plate 515, a hinge rod 516, a fixed block 517, a sliding groove 518, a sliding block 519, a supporting plate 520, a telescopic rod 521 and a spring 522, the inner wall of the sieving machine main body 1 is fixedly connected with the partition 511, the interior of the partition 511 is embedded with the second discharge port 512, the top end of the second discharge port 512 is fixedly connected with the guide plate 513, the guide plate 513 is fixedly connected with the inner wall of the sieving machine main body 1, the inner walls of the left side and the right side of the second discharge port 512 are both fixedly connected with the second rotating shaft 514, the outer wall of the second rotating shaft 514 is sleeved with the sealing plate 515, the outer wall of the sealing plate 515 is hinged with the hinge rod 516, the, the inner wall of the second discharge port 512 is fixedly connected with a support plate 520, the top end of the support plate 520 is fixedly connected with an expansion link 521, the other end of the expansion link 521 is fixedly connected with a fixed block 517, and a spring 522 is wound on the outer wall of the expansion link 521, thereby solving the problem that dust of undersize products is easy to scatter when the traditional screening device is used, and the working environment of an operator is poor, and avoiding the problem that sand and soil is easy to fly up after screening, and improving the working environment of the operator, the guide plate 513 is shaped into an inclined shape, and the end of the sealing plate 515 far away from the second discharge port 512 is shaped into an inclined shape, so as to conduct directional flow guide on the sand and soil, and prevent the dust from flowing back through the sealing plate 515, thereby ensuring the internal environment of the device, the maximum stretching length of the expansion link 521 and the maximum stretching length of the spring 522 are both greater than the, the efficiency of sand entering into collection chamber main part 3 has been promoted.

The working principle is as follows: when the mixture enters the interior of the screening machine main body 1 through the feeding port main body 2, sand and stones can be separated through the screening plate 411 and the filtering holes 412, when the stones fall into the screening plate 411, the balls 415 are driven to roll through the first rotating shaft 414, the stones are conveyed, the stones are driven to enter the stone collecting box 418 through the first discharging port 416 and the connecting pipe 417, and the stones can be collected;

when sand gets into screening board 411 below, carry out directional water conservancy diversion to it through guide plate 513 and get into second discharge gate 512, sand extrudees closing plate 515, it rotates through second pivot 514 to drive closing plate 515, drive hinge rod 516 bottom downstream, through slider 519 at the inside gliding effect of spout 518, drive fixed block 517 downstream, and telescopic link 521 compresses, spring 522 takes place the deformation, after sand gets into collection chamber main part 3 through second discharge gate 512, through the elastic action of spring 522, drive closing plate 515 and carry out the counter rotation, seal second discharge gate 512 through two sets of closing plate 515.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a grit screening plant for construction that restriction dust scatters, includes screening machine main part (1), feed inlet main part (2) and collects chamber main part (3), screening machine main part (1) top is embedded to have feed inlet main part (2), screening machine main part (1) bottom has been seted up and has been collected chamber main part (3), its characterized in that: screening machine main part (1) inner wall fixedly connected with screening board (411), filtering hole (412) have been seted up to screening board (411) inside, slotted hole (413) inside is embedded to have first pivot (414), the inside screening plant that is provided with of screening machine main part (1), the inside protector that is provided with of screening machine main part (1).

2. The sand screening device for construction use for restricting dust scattering according to claim 1, characterized in that: screening plant is including screening board (411), filtration hole (412), slotted hole (413), first pivot (414), ball (415), first discharge gate (416), connecting pipe (417) and stone collecting box (418), first pivot (414) outer wall fixedly connected with ball (415), first discharge gate (416) have been seted up to screening machine main part (1) right-hand member, first discharge gate (416) right-hand member cover is equipped with connecting pipe (417), connecting pipe (417) bottom end cover is equipped with stone collecting box (418).

3. The sand screening device for construction use for restricting dust scattering according to claim 1, characterized in that: the protective device comprises a partition plate (511), a second discharge port (512), a guide plate (513), a second rotating shaft (514), a sealing plate (515), a hinge rod (516), a fixed block (517), a sliding groove (518), a sliding block (519), a supporting plate (520), a telescopic rod (521) and a spring (522), wherein the inner wall of the screening machine main body (1) is fixedly connected with the partition plate (511), the second discharge port (512) is embedded inside the partition plate (511), the top end of the second discharge port (512) is fixedly connected with the guide plate (513), the guide plate (513) is fixedly connected with the inner wall of the screening machine main body (1), the inner walls of the left side and the right side of the second discharge port (512) are fixedly connected with the second rotating shaft (514), the outer wall of the second rotating shaft (514) is sleeved with the sealing plate (515), the outer wall of the sealing plate (515) is, spout (518) have been seted up to second discharge gate (512) inside, slider (519) have been seted up to spout (518) inside, and slider (519) keep away from the one end fixed connection of spout (518) in fixed block (517), second discharge gate (512) inner wall fixedly connected with backup pad (520), backup pad (520) top fixedly connected with telescopic link (521), and telescopic link (521) other end fixed connection in fixed block (517), telescopic link (521) outer wall winding has spring (522).

4. The sand screening device for construction use for restricting dust scattering according to claim 2, characterized in that: the screening plate (411) is arranged to be inclined, and the bottom end of the first discharge hole (416) is arranged to be inclined.

5. The sand screening device for construction use for restricting dust scattering according to claim 3, characterized in that: the guide plate (513) is inclined, and one end of the sealing plate (515) far away from the second discharge hole (512) is inclined.

6. The sand screening device for construction use for restricting dust scattering according to claim 3, characterized in that: the maximum stretching length of the telescopic rod (521) and the maximum stretching length of the spring (522) are both larger than the length of the hinge rod (516).