CN220346470U - Sand screening device for construction site - Google Patents

Abstract

The utility model discloses a sand screening device for a construction site, which comprises a box body, wherein a screening plate is arranged on the inner side of the box body, one side of the bottom of the box body is provided with a sand outlet, the top of the box body is fixedly connected with a flat plate, the flat plate is provided with a sand inlet, a sliding block is connected onto the flat plate in a sliding manner, a hopper is arranged on the sliding block, a translation device is further arranged on the flat plate, and the translation device is used for controlling the sliding block to horizontally slide back and forth above the flat plate. The utility model has the advantages that: the sliding block is driven to move through the translation device, so that the hopper can be driven to move, sand in the hopper can be evenly thrown into the box body, the sand can fall into different positions of the screening plate, the screening plate is convenient to screen the sand, the screening speed is remarkably improved, the vibrating motor is protected through the protection tube, the sand is prevented from entering the vibrating motor in the long-time use process, and the service life of the vibrating motor is shortened.

Description

Sand screening device for construction site

Technical Field

The utility model relates to the technical field of sand screening machines, in particular to a sand screening machine for a construction site.

Background

The sand screening machine is a sand mine machine for separating coarse and fine materials by utilizing screening equipment, is widely applied to the field of buildings, and is often required to separate sand from sand or separate fine sand for workers to use during construction. The utility model discloses a novel sand screening machine for construction in CN202020134459.1, including sand screening machine shell, the top fixedly connected with inlet pipe of sand screening machine shell, the inside fixedly mounted of sand screening machine shell has first vibrating motor, the right side fixedly connected with first transmission shaft of first vibrating motor, the right-hand member fixedly connected with first screen cloth of first transmission shaft, the right side fixedly connected with first connecting block of first screen cloth, the surface fixedly connected with first spring of first connecting block, the inside fixedly mounted of sand screening machine shell has second vibrating motor, the right side fixedly connected with second transmission shaft of second vibrating motor, the right-hand member fixedly connected with second screen cloth of second transmission shaft, the right side fixedly connected with second connecting block of second screen cloth, the surface fixedly connected with second spring of second connecting block. In the use, sand gets into the sand screening machine shell from the inlet pipe in, sieves sand through first screen cloth and second screen cloth, but this kind of sand screening machine, sand drops on first screen cloth from fixed place, can lead to a large amount of sand to concentrate in the local region of first screen cloth like this, and though under vibrating motor's effect, sand also can slowly move to other positions of screen cloth, but this also needs certain time to accomplish, consequently can lead to sand screening speed to become slow.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a construction site sand screening device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a job site screen sand ware, includes the box, and the box inboard is equipped with screening board, and bottom of the case one side is equipped with out husky opening, and box top fixed connection is dull and stereotyped, is equipped with into husky opening on the dull and stereotyped sliding connection slider, is equipped with the hopper on the slider, still is equipped with translation device on the dull and stereotyped, and translation device is used for controlling the slider and reciprocates the slip in dull and stereotyped top level.

Preferably, the upper side of the sliding block is provided with a through groove which is arranged corresponding to the hopper, one side of the sliding block is provided with a sliding groove, the sliding groove is connected with the sliding plate in a sliding way, and the sliding block is provided with a power device for controlling the sliding plate to slide reciprocally along the sliding groove.

Preferably, the translation device comprises two vertical plates fixed on the upper side of the flat plate, a guide rod is fixedly connected between the two vertical plates, a screw rod is rotationally connected between the two vertical plates, a motor for controlling the screw rod to rotate is arranged on one of the vertical plates, the sliding block can slide back and forth along the guide rod through the guide hole, and the screw rod is in threaded connection with the threaded hole of the sliding block.

Preferably, the screening plate comprises a frame body, the periphery of the frame body is fixed on the inner wall of the box body through a spring, a cross beam is fixedly connected in the frame body, screening nets are arranged between each side of the cross beam and the inner wall of the frame body, and a vibration motor is arranged on the lower side of the cross beam.

Preferably, the protection tube is fixedly connected to the lower side of the cross beam, and the vibration motor is positioned in the protection tube.

Preferably, the upper side of the cross beam is fixedly connected with an arc plate.

The utility model has the advantages that: the sliding block is driven to move through the translation device, so that the hopper can be driven to move, sand in the hopper can be evenly thrown into the box body, the sand can fall into different positions of the screening plate, the screening plate is convenient to screen the sand, the screening speed is remarkably improved, the vibrating motor is protected through the protection tube, the sand is prevented from entering the vibrating motor in the long-time use process, and the service life of the vibrating motor is shortened.

Drawings

FIG. 1 is a schematic view of the basic structure of a construction site sand screen provided by the utility model;

FIG. 2 is a schematic view of the basic structure of the slider;

fig. 3 is a cross-sectional view of the case.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1-3, the sand screening device for the construction site provided by the utility model comprises a box body 1, wherein a screening plate 6 is arranged on the inner side of the box body 1, the screening plate 6 comprises a frame body 61, the periphery of the frame body 61 is fixed on the inner wall of the box body 1 through a spring 63, a cross beam 64 is fixedly connected to the center of the inner side of the frame body 61, a screening net 68 is arranged between each side of the cross beam 64 and the inner wall of the frame body 61, and a vibration motor 65 is arranged on the lower side of the cross beam 64. After the sand falls onto the screening net 68, the cross beam 64 and the frame body 61 are driven to vibrate through the vibration motor 65, so that the screening net 68 vibrates to screen the sand, the conical tube 62 is fixedly connected to the upper side of the frame body 61, the conical tube 62 has a material guiding function, and the sand falling on the edge of the box body can be guided to the screening net 68. The lower side of the beam 64 is fixedly connected with a protection tube 66, and the vibration motor 65 is positioned in the protection tube 66. The vibration motor 65 is protected by the protecting tube 66, so that sand is prevented from entering the vibration motor 65 in the long-time use process, and the service life of the vibration motor 65 is shortened. The arc 67 is fixedly connected to the upper side of the cross beam 64, and sand falling to the upper side of the arc 67 can be guided into the screening net 68 through the arc 67.

One side of the bottom of the box body 1 is provided with a sand outlet opening 11, a guide plate 12 which is obliquely arranged is fixedly connected to the inner wall of the box body 1, one lower end of the guide plate 12 is correspondingly arranged with the sand outlet opening 11, and fine sand after screening slides down to the sand outlet opening 11 through the guide plate 12 and flows out from the sand outlet opening 11.

The top of the box body 1 is fixedly connected with a flat plate 2, a sand inlet opening 21 is formed in the flat plate 2, a sliding block 3 is connected onto the flat plate 2 in a sliding manner, a hopper 4 is arranged on the sliding block 3, a translation device is further arranged on the flat plate 2, and the translation device is used for controlling the sliding block 3 to horizontally slide back and forth above the flat plate 2. The translation device comprises two vertical plates 51 fixed on the upper side of the flat plate 2, a guide rod 52 is fixedly connected between the two vertical plates 51, a screw rod 53 is rotatably connected between the two vertical plates 51, a motor 54 for controlling the screw rod 53 to rotate is arranged on one of the vertical plates 51, the sliding block 3 can slide back and forth along the guide rod 52 through a guide hole, and the screw rod 53 is in threaded connection with a threaded hole of the sliding block 3. The sliding block 3 is driven to move through the translation device, so that the hopper 4 can be driven to move, sand in the hopper 4 can be evenly thrown into the box body 1, the sand can fall into different positions of the screening plate, the screening plate is convenient to screen the sand, and the screening speed is remarkably improved. The upper side of the sliding block 3 is provided with a through groove 31, the through groove 31 is arranged corresponding to the hopper 4, one side of the sliding block 3 is provided with a sliding groove 32, the sliding groove 32 is connected with a sliding plate 33 in a sliding manner, and the sliding block 3 is provided with a power device for controlling the sliding plate to slide back and forth along the sliding groove 32. The power device comprises an electric telescopic rod 34, the electric telescopic rod 34 is arranged on the upper side of the sliding block 3, the other end of the electric telescopic rod 34 is fixedly connected with an L-shaped rod 35, one end of the L-shaped rod 35 is fixedly connected with the sliding plate 33, the sliding plate 33 is stretched into the sliding plate 33 through the sliding plate 33, the sliding plate 33 is different in size of the through groove 31, the sand falling amount in unit time can be adjusted, sand can be further uniformly scattered on the screening plate, excessive sand is prevented from being accumulated on the screening plate, and the screening speed is prevented from being influenced.

Claims (5)

1. The utility model provides a job site screen sand ware, includes box (1), and screening board (6) are equipped with to box (1) inboard, and box (1) bottom one side is equipped with out husky opening (11), its characterized in that: the utility model provides a box, box (1) top fixed connection is dull and stereotyped (2), be equipped with into husky opening (21) on dull and stereotyped (2), sliding connection slider (3) on dull and stereotyped (2), be equipped with hopper (4) on slider (3), translation device still is equipped with on dull and stereotyped (2), translation device is used for controlling slider (3) in dull and stereotyped (2) top horizontal reciprocating sliding, screening board (6) include framework (61), framework (61) are fixed through spring (63) all around on box (1) inner wall, framework (61) internal fixation connects crossbeam (64), all be equipped with screening net (68) between crossbeam (64) every side and framework (61) inner wall, vibration motor (65) are equipped with to crossbeam (64) downside.

2. A job site sand screen as defined in claim 1, wherein: the automatic feeding device is characterized in that a through groove (31) is formed in the upper side of the sliding block (3), the through groove (31) is arranged corresponding to the hopper (4), a sliding groove (32) is formed in one side of the sliding block (3), a sliding plate (33) is connected in the sliding groove (32) in a sliding mode, and a power device used for controlling the sliding plate to slide back and forth along the sliding groove (32) is arranged on the sliding block (3).

3. A job site sand screen as defined in claim 1, wherein: the translation device comprises two vertical plates (51) fixed on the upper side of the flat plate (2), guide rods (52) are fixedly connected between the two vertical plates (51), a screw rod (53) is rotatably connected between the two vertical plates (51), a motor (54) for controlling the screw rod (53) to rotate is arranged on one vertical plate (51), the sliding block (3) can slide back and forth along the guide rods (52) through guide holes, and the screw rod (53) is in threaded connection in a threaded hole of the sliding block (3).

4. A job site sand screen as defined in claim 1, wherein: the lower side of the cross beam (64) is fixedly connected with a protection tube (66), and the vibration motor (65) is positioned in the protection tube (66).

5. A job site sand screen as defined in claim 1, wherein: the upper side of the cross beam (64) is fixedly connected with an arc-shaped plate (67).