CN215695674U

CN215695674U - Gravel and sand sieving mechanism

Info

Publication number: CN215695674U
Application number: CN202121790214.5U
Authority: CN
Inventors: 杜港澳; 王睿
Original assignee: Shandong Bihan Construction Engineering Co ltd
Current assignee: Shandong Bihan Construction Engineering Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-02-01
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses a sand screening device which comprises a shell, wherein a screen and a sand guide plate are arranged in the shell, a sand inlet is formed in the top of the shell, a conveyor belt is arranged on one side of the shell, the screen and the sand guide plate are inclined through a rocking handle and are symmetrically arranged on the inner wall of the shell from top to bottom, the bottom end of the screen penetrates out of the shell through a discharge port, the bottom end of the sand guide plate penetrates out of the shell through a sand outlet, the sand inlet is formed in the top of the screen, the top end of the conveyor belt is arranged at the sand inlet, and a support wheel is arranged at the bottom end of the conveyor belt. The screen and the sand guide plate are arranged obliquely and are arranged on the inner wall of the shell in an up-down symmetrical mode, so that unqualified sand is discharged from a discharge port by the screen, and qualified sand is screened onto the sand guide plate and discharged; through the arrangement of the rocking handle, the screen and the sand guide plate can continuously vibrate and screen sand; the conveyer belt is arranged, so that sand can be automatically fed, and manual participation is reduced; the supporting wheels are arranged, so that the conveying belt can move along with the shell; the sand and stone screening device effectively improves the screening speed of sand and stone and the use efficiency of the sand and stone screening device.

Description

Gravel and sand sieving mechanism

Technical Field

The utility model relates to the technical field of building construction equipment, in particular to a sand and stone screening device.

Background

The sand and stone refer to granules with the grain diameter of 0.074-2 mm, which are formed by washing rocks with rainwater or rolling the rocks after weathering, the main component of the sand and stone is silicon dioxide, the sand and stone are common building raw materials, the sand and stone are mainly mixed with cement to form concrete, and because the sand and stone have different grain sizes, the sand and stone are required to be screened before being mixed with the cement to ensure that most grains of the mixed sand and stone meet the mixing requirement.

At present, the screen cloth of the general adoption of artifical gravel and sand screening supports in ground, and the people utilizes the spade to sieve and gets, and this kind of gravel and sand screening mode workman's intensity of labour is big, and the workman feels the health tired after screening a period of time, and current gravel and sand screening installation, the structure is comparatively complicated, the operation of not being convenient for, the removal of being not convenient for, and the screening effect is general.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model develops the sand screening device, the utility model can automatically sand, reduce the labor intensity of workers, facilitate the operation and the position movement at any time, and effectively improve the screening speed of sand and stone and the use efficiency of the sand and stone screening device.

The technical scheme for solving the technical problem of the utility model is as follows: the utility model provides a gravel and sand sieving mechanism, includes the shell, inside screen cloth that is provided with of shell and lead husky board, top are provided with into husky mouth, one side and are provided with the conveyer belt, the screen cloth with lead husky board through rocking handle slope and upper and lower symmetry set up the shell inner wall on, the shell is worn out through the discharge gate in the screen cloth bottom, lead husky board bottom and wear out the shell through going out husky mouth, it sets up at the screen cloth top to advance husky mouth, the setting of conveyer belt top is provided with the supporting wheel in sand inlet department, bottom.

Preferably, the shell is further provided with a first cavity and a second cavity, the first cavity is arranged on the shell at the top end of the screen, and the second cavity is arranged on the shell at the top end of the sand guide plate.

As optimization, the lower end of the discharge port is provided with a discharge plate, the lower end of the sand outlet is provided with a sand outlet plate, and the discharge plate and the sand outlet plate are stainless steel plates.

Preferably, a plurality of groups of sand baffles are arranged on the surface of the conveyor belt in parallel, supports are arranged on two sides of the conveyor belt through rotating shafts, and the lowest point of each support is lower than that of each support wheel.

Preferably, the bottom of the shell is provided with a roller which is a brake universal wheel.

Preferably, a first motor is arranged on the outer side of the shell, and the output end of the first motor is connected with the screen and a group of rocking handles of the sand guide plate through a transmission device.

Preferably, the top of the shell is further provided with a second motor, and the output end of the second motor is connected with the conveyor belt.

Preferably, the shell is further provided with a fixing frame, and the fixing frame is arranged on the shell on one side of the conveying belt.

The effects provided in the contents of the present invention are only the effects of the embodiments, not all the effects of the present invention, and the above technical solution has the following advantages or advantageous effects:

the screen and the sand guide plate are arranged obliquely and are arranged on the inner wall of the shell in an up-down symmetrical mode, so that unqualified sand is discharged from a discharge port by the screen, and qualified sand is screened onto the sand guide plate and discharged; through the arrangement of the rocking handle, the screen and the sand guide plate can continuously vibrate to screen sand and discharge sand; the conveyer belt is arranged, so that sand can be automatically fed, and manual participation is reduced; the supporting wheels are arranged, so that the conveying belt can move along with the shell; the sand feeding device can automatically feed sand, reduce the labor intensity of workers, is convenient to operate and move at any time, and effectively improves the sand screening speed and the service efficiency of the sand screening device.

Drawings

FIG. 1 is a front view of one embodiment of the present invention.

Fig. 2 is a front view of the internal structure of one embodiment of the present invention.

Fig. 3 is a right side view of one embodiment of the present invention.

Fig. 4 is a right side view of the internal structure of one embodiment of the present invention.

In the figure, 1, a shell, 2, a screen, 3, a sand guide plate, 4, a sand inlet, 5, a conveyor belt, 6, a rocking handle, 7, a discharge hole, 8, a sand outlet, 9, a first cavity, 10, a second cavity, 11, a discharge plate, 12, a sand outlet plate, 13, a sand baffle plate, 14, a support, 15, a roller, 16, a first motor, 17, a transmission device, 18, a second motor, 19, a support wheel, 20, a fixed frame and 21, baffle plates are arranged.

Detailed Description

In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. The following disclosure provides embodiments or examples to implement the structures of the present invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and procedures are omitted so as to not unnecessarily limit the utility model. The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Fig. 1 to 4 show an embodiment of the utility model, and as shown in the drawing, the sand screening device comprises a housing 1, a screen 2 and a sand guide plate 3 are arranged in the housing 1, a sand inlet 4 is arranged at the top, a conveyor belt 5 is arranged at one side of the housing, the screen 2 and the sand guide plate 3 are inclined through a rocking handle 6 and are symmetrically arranged on the inner wall of the housing 1 up and down, the bottom end of the screen 2 penetrates out of the housing 1 through a discharge port 7, the bottom end of the sand guide plate 3 penetrates out of the housing 1 through a sand outlet 8, the sand inlet 4 is arranged at the top of the screen 2, the top end of the conveyor belt 5 is arranged at the sand inlet 4, and a support wheel 19 is arranged at the bottom end of the sand inlet 4.

The screen 2 and the sand guide plate 3 are arranged obliquely and are arranged on the inner wall of the shell 1 in an up-down symmetrical mode, so that unqualified sand is discharged from the screen 2 through the discharge hole 7, and qualified sand is screened onto the sand guide plate 3 and discharged; through the arrangement of the rocking handle 6, the screen 2 and the sand guide plate 3 can continuously vibrate to screen sand and discharge sand; the conveyer belt 5 is arranged, so that sand can be automatically fed, and manual participation is reduced; by providing support wheels 19, the conveyor belt 5 is enabled to move with the housing 1.

The shell 1 is also provided with a first cavity 9 and a second cavity 10, the first cavity 9 is arranged on the shell 1 at the top end of the screen 2, and the second cavity 10 is arranged on the shell 1 at the top end of the sand guide plate 3. Through setting up first cavity 9 and second cavity 10, make screen cloth 2 and lead husky board 3 at the oscillation process, can not bump into the inner wall of shell 1, can connect husky, the condition of leaking husky can not appear in the most extensive carrying on.

The lower end of the discharge port 7 is provided with a discharge plate 11, the lower end of the sand outlet 8 is provided with a sand outlet plate 12, and the discharge plate 11 and the sand outlet plate 12 are stainless steel plates. Through setting up play flitch 11 and play sand board 12, the outflow point of fixed sand makes things convenient for constructor to use the shallow to receive the sand that sieves.

The surface parallel of the belt body of the conveying belt 5 is provided with a plurality of groups of sand baffles 13, the edges of the two sides of the belt body are outwards provided with baffles 21, the inclination angle of the baffles 21 is more than or equal to 90 degrees, the two sides of the conveying belt 5 are provided with supports 14 through rotating shafts, and the lowest points of the supports 14 are lower than the lowest points of the supporting wheels 19. The sand baffle 13 and the baffle 21 are arranged, so that the conveying amount of sand can be increased, and the sliding of the sand is reduced; by providing the support 14 with a lowest point lower than the lowest point of the support wheel 19, it is possible to support the conveyor belt 5 while screening sand, with the support wheel 19 above the ground.

The bottom of the shell 1 is provided with a roller 15, and the roller 15 is a brake universal wheel. Through setting up gyro wheel 15, can conveniently remove this device, change sieve husky position.

The outer side of the shell 1 is provided with a first motor 16, and the output end of the first motor 16 is respectively connected with the screen 2 and a group of rocking handles 6 of the sand guide plate 3 through a transmission device 17. The vibration of the screen 2 and the sand guide plate 3 is powered by the arrangement of a first motor 16 and a transmission 17.

The top of the shell 1 is also provided with a second motor 18, and the output end of the second motor 18 is connected with the conveyor belt 5. By providing a second motor 18, power can be provided to the conveyor belt 5 for sand transport.

The shell 1 is further provided with a fixing frame 20, and the fixing frame 20 is arranged on the shell 1 on one side of the conveyor belt 5. By providing the mount 20, the stand 14 can be mounted, and the support wheel 19 can be moved while being landed.

When in use, the equipment is moved to the front of a sand pile, then the roller 15 is fixed, the bracket 14 is taken down from the fixed frame 20 and is vertically supported on the ground, and the supporting wheel 19 is lifted off the ground to prevent displacement; then, the first motor 16 and the second motor 18 are started, a constructor only needs to push sand on the sand pile onto the conveyor belt 5, the conveyor belt 5 conveys the sand to the sand pile, and the sand blocking plate 13 and the baffle plate 21 enclose to form a feeding hopper, so that the conveying amount of the sand is increased, and the falling of the sand is reduced; after sand reaches the top end of the conveyor belt 5, the sand enters the shell 1 from the sand inlet 4 and falls onto the obliquely arranged screen 2, the screen 2 continuously screens the sand in a vibrating manner under the action of the rocking handle 6, unqualified sand is discharged from the discharge hole 7, qualified sand falls onto the sand guide plate 3, is downwards vibrated by the sand guide plate 3 and is discharged onto the sand discharge plate 12 from the sand outlet 8, and finally falls onto the ground or falls into a cart; when the screening position needs to be changed, the bracket 14 is retracted onto the fixed frame 20, the supporting wheels 19 fall to the ground, the brake of the rolling wheels 15 is opened, and the device can be moved to a new sand screening position.

Although the present invention has been described with reference to the specific embodiments shown in the drawings, it is not intended to limit the scope of the present invention, and various modifications and variations can be made by those skilled in the art without inventive changes based on the technical solution of the present invention.

Claims

1. The utility model provides a gravel and sand sieving mechanism, includes shell (1), characterized by: the sand inlet and outlet screening device is characterized in that a screen (2) and a sand guide plate (3) are arranged inside the shell (1), the top of the sand guide plate is provided with a sand inlet (4), and a conveying belt (5) is arranged on one side of the sand inlet (4), the screen (2) and the sand guide plate (3) are inclined through a rocking handle (6) and are arranged on the inner wall of the shell (1) in an up-and-down symmetrical mode, the bottom of the screen (2) penetrates out of the shell (1) through a discharging port (7), the bottom of the sand guide plate (3) penetrates out of the shell (1) through a sand outlet (8), the sand inlet (4) is arranged at the top of the screen (2), and the top of the conveying belt (5) is provided with a supporting wheel (19) at the position and the bottom of the sand inlet (4).

2. A sand and stone screening apparatus according to claim 1, wherein: the sand guide plate is characterized in that a first cavity (9) and a second cavity (10) are further arranged on the shell (1), the first cavity (9) is arranged on the shell (1) at the top end of the screen (2), and the second cavity (10) is arranged on the shell (1) at the top end of the sand guide plate (3).

3. A sand and stone screening apparatus according to claim 1, wherein: the discharging port (7) lower extreme is provided with play flitch (11), and a husky board (12) is provided with to go out husky mouth (8) lower extreme, go out flitch (11) and go out husky board (12) and be corrosion resistant plate.

4. A sand and stone screening apparatus according to claim 1, wherein: the sand blocking plates (13) are arranged on the surface of the conveyor belt (5) in parallel, brackets (14) are arranged on two sides of the conveyor belt through rotating shafts, and the lowest point of each bracket (14) is lower than that of each supporting wheel (19).

5. A sand and stone screening apparatus according to claim 1, wherein: the bottom of the shell (1) is provided with a roller (15), and the roller (15) is a brake universal wheel.

6. A sand and stone screening apparatus according to claim 1, wherein: the sand guide device is characterized in that a first motor (16) is arranged on the outer side of the shell (1), and the output end of the first motor (16) is connected with the screen (2) and a group of rocking handles (6) of the sand guide plate (3) through a transmission device (17).

7. A sand and stone screening apparatus according to claim 1, wherein: the top of the shell (1) is also provided with a second motor (18), and the output end of the second motor (18) is connected with the conveyor belt (5).

8. A sand and stone screening apparatus according to claim 4 wherein: the conveying belt is characterized in that a fixing frame (20) is further arranged on the shell (1), and the fixing frame (20) is arranged on the shell (1) on one side of the conveying belt (5).