CN215030871U

CN215030871U - Grit screening plant for construction

Info

Publication number: CN215030871U
Application number: CN202121429988.5U
Authority: CN
Inventors: 徐春霞; 李超; 孙福帅; 肖菲; 崔倩云
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-26
Filing date: 2021-06-26
Publication date: 2021-12-07
Anticipated expiration: 2031-06-26

Abstract

The utility model discloses a grit screening plant for construction, including the feed inlet below intercommunication screening case, screening case front side is equipped with conveying motor, the conveying motor output is connected and is carried the axle, carry the axle outside to be equipped with the auger delivery blade, carry the axle to rotate and connect the fixed plate, second screen cloth front side is fixed on the holding ring, and the rear side is fixed on the rolling disc, the rolling disc middle part is equipped with the rolling disc through-hole of a plurality of equipartitions, the rolling disc rear is equipped with the rubble baffle, below between rubble baffle and the rolling disc is equipped with the rubble export, second screen cloth below is equipped with the sand grain and collects the box, rolling disc middle part fixed connection dwang, the output shaft of rotating the motor is connected to the dwang, the rotating motor is fixed at screening case rear portion. Compared with the prior art, the method has the advantages that: the gravel screening device can screen gravel twice, can select gravel with different particle sizes, has a certain gradient and is convenient for screening gravel.

Description

Grit screening plant for construction

Technical Field

The utility model relates to a building technical field specifically indicates a grit screening plant for construction.

Background

The building is a space for people to live and use, such as houses, bridges, plants, gymnasiums, cave tunnels, water towers, temples and the like, which is formed by building materials such as soil, bricks, tiles, stone materials, wood, modern reinforced concrete, section bars and the like, and the landscape and the garden are also part of the building in a broad sense. The sand and stone is a loose mixture of sand grains and broken stones, different sand and stone structures have larger difference, and some sand and stone structures have uniform grain sizes and different sizes; on the building site, sand is often used, and the sand is screened through screening equipment at the moment. A grit screening installation for building construction among the prior art all is that the manual work carries out the grit screening through screen cloth or sieve usually, utilizes the gravity of grit self, sieves out the building grit that the granule is little, and this kind of screening mode need consume a large amount of manpowers, need reciprocal a lot of screening moreover, and intensity of labour is big, and screening efficiency is slow, and the people of not being convenient for sieve and use. Therefore, the invention provides a building sand screening device.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical difficulty, provide a grit screening plant for construction convenient to collect grit.

In order to solve the technical problem, the utility model provides a technical scheme does: a sand and stone screening device for building construction comprises a feed inlet, a screening box communicated with the lower part of the feed inlet, a conveying motor arranged at the front side of the screening box, a conveying shaft connected with the output end of the conveying motor, spiral conveying blades arranged at the outer side of the conveying shaft, a fixing plate connected with the conveying shaft in a rotating manner and fixed in a first screen, a positioning ring fixed at the front side of the first screen, a rotating disc fixed at the rear side of the first screen, a plurality of support rings fixed at the outer side of the first screen, a plurality of support rods fixedly connected with the positioning ring and the positioning disc, a second screen arranged at the outer side of the support rods, a positioning ring fixed at the front side of the second screen, a rotating disc fixed at the rear side of the second screen, a plurality of uniformly distributed rotating disc through holes arranged at the middle part of the rotating disc, and a broken stone baffle arranged at the rear part of the rotating disc, the sand screening device is characterized in that a crushed stone outlet is arranged below the crushed stone baffle and the rotating disc, a sand grain collecting box is arranged below the second screen, the middle of the rotating disc is fixedly connected with a rotating rod, the rotating rod is connected with an output shaft of a rotating motor, and the rotating motor is fixed at the rear part of the screening box.

Preferably, a plurality of uniformly distributed fixing plate through holes are formed in the fixing plate, so that sand and stone can pass through the fixing plate conveniently.

Preferably, screening case support frame is equipped with to screening case front side, screening case rear side is equipped with screening case cushion, makes the screening case have certain gradient.

Preferably, the mesh aperture of the first screen is larger than that of the second screen, so that sand with different particle sizes can be screened out.

Preferably, a box door is arranged on the sand collecting box, so that the screened sand can be conveniently drawn out.

Preferably, the second screen is provided with a second screen dumping opening, and the second screen dumping opening is provided with a second screen dumping door, so that the sand grains screened for the first time can be dumped out of the second screen.

Compared with the prior art, the utility model the advantage lie in: adopted screw conveying blade, conveniently in the grit that will need the screening is carried the screen cloth, prevent that the grit from piling up in the device front side, reduce the efficiency of screening, screening case front side is equipped with screening case support frame, screening case rear side is equipped with screening case cushion, makes the screening case have certain gradient, is convenient for sieve out the rubble that will sieve out from the rolling disc through-hole of screening case rear side rotating disk, makes the rubble drop from the rubble export, is equipped with sand grain collection box, and is equipped with the chamber door on the sand grain collection box, is convenient for take out the sand grain of the particle size minimum of selecting, uses at the in-process of construction.

Drawings

Fig. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic view of the rotating disk of the present invention.

Fig. 4 is a schematic structural diagram of the fixing plate of the present invention.

As shown in the figure: 1. the screening box comprises a feeding hole, 2, a screening box body, 3, a conveying motor, 4, a conveying shaft, 5, a spiral conveying blade, 6, a first screen, 7, a support ring, 8, a support rod, 9, a positioning ring, 10, a rotating disc, 11, a second screen, 12, a rotating disc through hole, 13, a gravel baffle, 14, a gravel outlet, 15, a sand grain collecting box, 16, a rotating motor, 17, a fixing plate, 18, a fixing plate through hole, 19, a screening box support frame, 20, a screening box cushion block, 21 and a box door.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. Referring to fig. 1-4, a sand and stone screening device for building construction comprises a feed inlet 1, a screening box 2 communicated with the lower part of the feed inlet 1, a screening box support frame 19 arranged at the front side of the screening box 2, a screening box cushion block 20 arranged at the rear side of the screening box 2 to enable the screening box 2 to have a certain inclination, a conveying motor 3 arranged at the front side of the screening box 2, a conveying shaft 4 connected with the output end of the conveying motor 3, a spiral conveying blade 5 arranged at the outer side of the conveying shaft 4, a fixing plate 17 rotationally connected with the conveying shaft 4, the fixing plate 17 fixed in a first screen 6, a positioning ring 9 fixed at the front side of the first screen 6, a rotating disc 10 fixed at the rear side of the first screen 6, a plurality of support rings 7 arranged at the outer side of the first screen 6, the support rings 7 fixed on a plurality of support rods 8 at the outer side of the first screen 6, the positioning ring 9 fixedly connected at the front side of the support rods 8, a rotating disc 10 is fixedly connected with the rear side, a second screen mesh 11 is arranged on the outer sides of the support rods 8, a second screen mesh dumping opening is arranged on the second screen mesh 11, a second screen mesh dumping door is arranged on the second screen mesh dumping opening, sand grains screened for the first time can be dumped out of the second screen mesh, the mesh aperture of the first screen mesh 6 is larger than that of the second screen mesh 11, sand stones with different particle sizes can be screened out, the front side of the second screen mesh 11 is fixed on the positioning ring 9, the rear side of the second screen mesh 11 is fixed on the rotating disc 10, a plurality of uniformly distributed rotating disc through holes 12 are arranged in the middle of the rotating disc 10, a gravel baffle 13 is arranged behind the rotating disc 10, a gravel outlet 14 is arranged below the gravel baffle 13 and the rotating disc 10, a sand grain collecting box 15 is arranged below the second screen mesh 11, a box door 21 is arranged on the sand collecting box 15, and screened sand stones can be conveniently taken out, the rotating disc 10 is fixedly connected with a rotating rod in the middle, the rotating rod is connected with an output shaft of a rotating motor 16, the rotating motor 16 is fixed at the rear part of the screening box 2, and a plurality of uniformly distributed fixing plate through holes 18 are formed in the fixing plate 17, so that sand and stones can pass through the fixing plate.

The utility model discloses a theory of operation: the grit that will sieve pours into screening case 2 from feed inlet 1, conveying motor 3 rotates, helical conveying blade 5 sends the grit into first screen cloth 6, rotate motor 16 and drive first screen cloth 6 and second screen cloth 11 and rotate, sieve the grit, the grit through twice screening falls into sand grain collection box 15, the grit is seen off from the device by rubble export 14, after the sand grain that sieves twice in sand grain collection box 15 is whole to be poured out, open the second screen cloth on the second screen cloth 11 and empty the door and open, make the sand grain that can only sieve once fall into sand grain collection box 15, take out it.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a grit screening plant for construction which characterized in that: comprises a feed inlet (1), a screening box (2) is communicated below the feed inlet (1), a conveying motor (3) is arranged on the front side of the screening box (2), the output end of the conveying motor (3) is connected with a conveying shaft (4), spiral conveying blades (5) are arranged on the outer side of the conveying shaft (4), the conveying shaft (4) is rotatably connected with a fixing plate (17), the fixing plate (17) is fixed in a first screen (6), the front side of the first screen (6) is fixed on a positioning ring (9), the rear side of the first screen is fixed on a rotating disc (10), a plurality of uniformly distributed support rings (7) are arranged on the outer side of the first screen (6), the support rings (7) are fixed on a plurality of support rods (8) on the outer side of the first screen (6), the front side of the support rods (8) is fixedly connected with the positioning ring (9), the rear side of the rotating disc (10) is fixedly connected with the rotating disc (10), and a plurality of second screen (11) are arranged on the outer side of the support rods (8), second screen cloth (11) front side is fixed on holding ring (9), and the rear side is fixed on rolling disc (10), rolling disc (10) middle part is equipped with rolling disc through-hole (12) of a plurality of equipartitions, rolling disc (10) rear is equipped with rubble baffle (13), the below between rubble baffle (13) and rolling disc (10) is equipped with rubble export (14), second screen cloth (11) below is equipped with sand grain collection box (15), rolling disc (10) middle part fixed connection dwang, the output shaft of rotating electrical machine (16) is connected to the dwang, rotating electrical machine (16) are fixed in screening case (2) rear end.

2. The sand and stone screening device for building construction according to claim 1, characterized in that: the fixing plate (17) is provided with a plurality of uniformly distributed fixing plate through holes (18).

3. The sand and stone screening device for building construction according to claim 1, characterized in that: screening case support frame (19) are equipped with to screening case (2) front side, screening case (2) rear side is equipped with screening case cushion (20).

4. The sand and stone screening device for building construction according to claim 1, characterized in that: the mesh aperture of the first screen (6) is larger than that of the second screen (11).

5. The sand and stone screening device for building construction according to claim 1, characterized in that: and a box door (21) is arranged on the screening box (2).

6. The sand and stone screening device for building construction according to claim 1, characterized in that: and a second screen dumping opening is formed in the second screen (11), and a second screen dumping door is arranged on the second screen dumping opening.