CN210876227U

CN210876227U - Gravel and sand sieving mechanism that building site used

Info

Publication number: CN210876227U
Application number: CN201921891788.4U
Authority: CN
Inventors: 周学前
Original assignee: Fu Yongsheng Technology Service Co ltd Of Quanzhou City
Current assignee: Fu Yongsheng Technology Service Co ltd Of Quanzhou City
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-06-30
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a gravel and sand sieving mechanism that building site used, its characterized in that: its structure includes the screening sand case, be equipped with screen cloth and a pair of transmission in the screening sand case, screen cloth fixed mounting in between the transmission, transmission includes motor, driven lever, frame, connecting rod, slider, cam, roof and baffle, motor output shaft with camshaft connection, connecting rod one end with the cam protruding portion is articulated to be connected, the connecting rod other end with the slider is articulated to be connected, the equal fixed mounting in screening sand incasement wall both sides has the slide rail, the slider is followed the slide rail slides, the roof with screen cloth fixed connection, slider fixed mounting in the roof lower extreme, the driven lever lower extreme is equipped with the driving wheel, the utility model discloses simple structure can effectively improve the screening sand quality for screening sand speed to possess certain jam effect of preventing.

Description

Gravel and sand sieving mechanism that building site used

Technical Field

The utility model relates to a gravel and sand sieving mechanism that building site used belongs to mechanical sieve husky field.

Background

In the building industry, sand is one of essential basic raw materials, but mix in the sand and have a large amount of impurity, need sieve the sand before using and strain, and traditional artifical sieve sand belongs to disposable sieve sand, can't separate the impurity in the sand fully, has a large amount of sand to adhere to and can't separate in the impurity moreover to greatly consume workman's physical power, therefore we have proposed a sieve sand device for building.

The prior art discloses the application numbers as follows: CN 208712190U's a building screening sand device, its structure includes screening sand ware frame (1), its characterized in that: the upper end of screening sand ware frame (1) is opened and is dug there is the feed inlet, fixedly connected with and feed inlet assorted inlet pipe (2) in the feed inlet, but this prior art screening efficiency is low, and at present in the process of screening sand, what adopt usually is artifical screening sand's form, throw the gross sand on the screen cloth by the workman with the spade, top design is arranged in to this technique inlet pipe, highly too high and the narrow and small inconvenient workman of mouth of pipe is thrown sand, and feed rate is slow.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a gravel and sand sieving mechanism that building site used to solve current problem.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a gravel and sand sieving mechanism that building site used which characterized in that: its structure includes the screening sand case, be equipped with screen cloth and a pair of transmission in the screening sand case, screen cloth fixed mounting in between the transmission, transmission includes motor, driven lever, frame, connecting rod, slider, cam, roof and baffle, motor output shaft with the camshaft is connected, connecting rod one end with the cam protruding portion is articulated to be connected, the connecting rod other end with the slider is articulated to be connected, the equal fixed mounting in screening sand incasement wall both sides has the slide rail, the slider is followed the slide rail slides, the roof with screen cloth fixed connection, slider fixed mounting in the roof lower extreme, the driven lever lower extreme is equipped with the driving wheel, the driving wheel is followed the cam profile rolls, screening sand case front end is equipped with the discharge gate, the discharge gate communicate in inside the screening sand case.

Furthermore, one end of the rack is fixedly arranged on the motor, and the other end of the rack is connected with the driven rod in a sliding manner

Furthermore, the screen cloth rear end with be equipped with between the screening sand case and remove the space, be convenient for the screen cloth to remove about, it is equipped with the baffle to remove the space top, baffle fixed mounting in screening sand case avoids the gravel and sand to directly pour into in the screening sand case from the space.

Furthermore, the top end of the driven rod is provided with a jacking block.

Furthermore, the bottom of the sand screening box is of an inclined structure, and the inclined edge faces the direction of the discharge hole.

The utility model has the advantages that: the workman throws the hair sand on the screen cloth with the spade, and motor start drives the cam and rotates, and the cam rotates and drives the connecting rod for the slider is about doing along the slide rail and is come and go, and thereby drive the screen cloth and come and go about controlling, and the cam rotates simultaneously and also makes the driven lever do and come and go from top to bottom and move, thereby drives the screen cloth and does the vertical vibration, through the screen cloth vertical vibration with remove the removal and accelerate the screening speed of hair sand, improve the screening sand efficiency, the utility model discloses simple structure can effectively improve the screening sand quality for screening sand speed, and possess certain anti-clogging effect.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a gravel and sand screening device for a construction site according to the present invention;

FIG. 2 is a schematic view of the front view of the gravel screening device for construction site of the present invention;

fig. 3 is the utility model relates to a gravel and sand sieving mechanism that building site used looks sideways at schematic structure diagram.

In the figure: the device comprises a sand screening box-1, a screen-2, a transmission device-3, a motor-301, a driven rod-302, a frame-303, a connecting rod-304, a sliding block-305, a cam-306, a top plate-309, a partition plate-310, a sliding rail-307, a driving wheel-308, a top block-311, a discharge hole-4, a moving gap-5 and a baffle-6.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution of a sand and stone screening device for construction site:

the utility model discloses, its characterized in that: the structure of the sand screening box comprises a sand screening box 1, wherein a screen 2 and a pair of transmission devices 3 are arranged in the sand screening box 1, the screen 2 is fixedly arranged between the transmission devices 3, a moving gap 5 is arranged between the rear end of the screen 2 and the sand screening box 1, a baffle 6 is arranged above the moving gap 5, the baffle 6 is fixedly arranged on the sand screening box 1, the transmission devices 3 comprise a motor 301, a driven rod 302, a frame 303, a connecting rod 304, a sliding block 305, a cam 306, a top plate 309 and a partition plate 310, the output shaft of the motor 301 is connected with the shaft of the cam 306, one end of the connecting rod 304 is hinged with the protruding part of the cam 306, the other end of the connecting rod 304 is hinged with the sliding block 305, one end of the frame 303 is fixedly arranged on the motor 301, the other end of the frame 303 is connected with the driven rod 302 in a sliding manner, sliding rails 307 are, slider 305 is followed slide rail 307 slides, roof 309 with screen cloth 2 fixed connection, slider 305 fixed mounting in roof 309 lower extreme, driven lever 302 top is equipped with kicking block 311, driven lever 302 lower extreme is equipped with driving wheel 308, driving wheel 308 is followed cam 306 profile rolls, screening sand case 1 front end is equipped with discharge gate 4, discharge gate 4 communicate in screening sand case 1 is inside, screening sand case 1 bottom is the slope structure, the hypotenuse court 4 directions of discharge gate.

The utility model discloses during the use, the workman throws the screen cloth 2 with the spade on, motor 301 starts to drive cam 306 and rotates, and cam 306 rotates and drives connecting rod 304, makes slider 305 do along slide rail 307 and control the round trip movement, thereby drives to come and go about screen cloth 2, and cam 306 rotates simultaneously and also makes driven lever 302 do the round trip movement from top to bottom, thereby drives screen cloth 2 and does the vertical vibration, through screen cloth 2 vertical vibration with remove about and control the screening speed that accelerates the hair sand, improve sieve sand efficiency, the utility model discloses simple structure can effectively improve sieve sand quality for sieve sand speed, and possess certain effect of preventing blockking up.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a gravel and sand sieving mechanism that building site used which characterized in that: the structure of the sand screening device comprises a sand screening box (1), a screen (2) and a pair of transmission devices (3) are arranged in the sand screening box (1), the screen (2) is fixedly installed between the transmission devices (3), each transmission device (3) comprises a motor (301), a driven rod (302), a rack (303), a connecting rod (304), a sliding block (305), a cam (306), a top plate (309) and a partition plate (310), an output shaft of the motor (301) is connected with a shaft of the cam (306), one end of the connecting rod (304) is hinged with a protruding part of the cam (306), the other end of the connecting rod (304) is hinged with the sliding block (305), sliding rails (307) are fixedly installed on two sides of the inner wall of the sand screening box (1), the sliding block (305) slides along the sliding rails (307), the top plate (309) is fixedly connected with the screen (2), and the sliding block (305) is fixedly installed at the lower end of the top plate (, driven lever (302) lower extreme is equipped with driving wheel (308), driving wheel (308) are followed cam (306) profile rolls, screening sandbox (1) front end is equipped with discharge gate (4), discharge gate (4) communicate in screening sandbox (1) is inside.

2. A sand and stone screening apparatus for a construction site according to claim 1, wherein: one end of the rack (303) is fixedly arranged on the motor (301), and the other end of the rack (303) is connected with the driven rod (302) in a sliding manner.

3. A sand and stone screening apparatus for a construction site according to claim 1, wherein: the sand screening machine is characterized in that a moving gap (5) is arranged between the rear end of the screen (2) and the sand screening box (1), a baffle (6) is arranged above the moving gap (5), and the baffle (6) is fixedly installed on the sand screening box (1).

4. A sand and stone screening apparatus for a construction site according to claim 1, wherein: the top end of the driven rod (302) is provided with a top block (311).

5. A sand and stone screening apparatus for a construction site according to claim 1, wherein: the bottom of the sand screening box (1) is of an inclined structure, and the inclined edge faces the direction of the discharge hole (4).