CN220941800U

CN220941800U - Sand and stone screening device

Info

Publication number: CN220941800U
Application number: CN202322427732.6U
Authority: CN
Inventors: 王岚; 张倩; 张毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-07
Filing date: 2023-09-07
Publication date: 2024-05-14
Anticipated expiration: 2033-09-07

Abstract

The utility model relates to the technical field of concrete production equipment, and provides a sand screening device. Setting a shake-off mechanism, starting a motor to enable a first output end driving gear to rotate and a second output end driving gear to be meshed with a second output end driving gear to enable a rotary drum between two partition boards to rotate, enabling the rotary drum to abut against a connecting plate and a circular plate to displace at the moment, enabling a mounting plate at the top of the circular plate to circularly move up and down in a fixing plate to squeeze a first spring to generate vertical vibration, simultaneously enabling the vertical vibration to be more intense by matching with a second spring, enabling sand and stone to rapidly pass through sieve holes of a screen, and preventing the sand and stone from being blocked due to the fact that the aperture of the sand and the screen is almost large when part of sand and stone passes through the sieve holes of the screen; the screen cloth is installed with the slide on the inclined plane, makes the sand and stone roll along the incline direction of screen cloth that the sand and stone can be better when getting into the organism, prevents the sand and stone and piles up the emergence of filter screen top phenomenon, and qualified sand and stone rolls the ejection of compact fast along the incline direction of slide, has further improved the efficiency of grit screening.

Description

Sand and stone screening device

Technical Field

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

Background

Sand, which refers to a loose mixture of sand and crushed stone. Geologically, the mineral or rock particles with the particle size of 0.074-2 mm are called sand, the mineral or rock particles with the particle size of more than 2mm are called gravel or breccia, and the difference between the mineral or rock particles and the breccia are different in rounding degree, and the breccia are visible in detail. If the gravels in the sand are mostly gravels, the gravels are called sand gravel. Sandstone is also known in daily life as sand. Different sandstones have larger structural difference, some particles have uniform thickness, and some particles have different sizes; some sand stones have good chip roundness, and some sand stones have sharp chip edges. Sand is one of the raw materials of concrete in construction engineering. Concrete has a requirement on the particle size of the raw materials of sand and stones, and sand and stones are generally screened by a sand and stone screening machine at large building sites and construction sites.

Through searching, the patent with publication number CN107639016A discloses a sand screening device, which comprises a base, a forward screen and a reverse screen; a motor is arranged on the base; the motor is connected with the forward screen and the reverse screen through transmission rods; the side surface of the base is provided with a conveyor belt;

However, the following problems are found in the implementation related art: the existing sand and stone screening device drives the forward screen and the reverse screen to rotate through the motor, the mesh size of the forward screen and the reverse screen is changed to screen sand and stone with different diameters, but in the actual sand and stone screening process, the sand and stone shape is irregular, sand and stone fall to the forward screen and the reverse screen to have partial sand and stone when passing through screen meshes, and the sand and stone and the screen mesh are almost big in aperture to cause sand and stone to be blocked.

There is therefore a need for a sand screening device.

Disclosure of utility model

The utility model provides a sand screening device, which solves the problem that sand is blocked due to the fact that the aperture of sand is almost larger than that of a screen mesh when part of sand passes through the screen mesh in the related art.

The technical scheme of the utility model is as follows: the utility model provides a grit sieving mechanism, includes the organism, sets up at the left first discharge gate of organism, sets up the second discharge gate at the organism opposite side, the inside of organism has the screen cloth through bolt fixed mounting, the inside of organism has the slide through bolt fixed mounting, the bottom of organism is provided with shakes down the mechanism, shake down the mechanism and be used for driving the screen cloth and shake the screening, shake down the mechanism and include the motor, the output fixedly connected with gear one of motor, the top meshing of gear one is connected with gear two, the inner wall fixedly connected with bull stick of gear two, the one end fixedly connected with baffle of bull stick, the side of baffle rotates and is connected with the rotary drum, the top fixedly connected with link plate of rotary drum, the top fixedly connected with plectane of link plate, the top of plectane is equipped with the mounting panel, the inner wall of mounting panel and the surface swing joint of plectane, the bottom of organism is equipped with the bottom plate, the top fixedly connected with fixed plate of bottom plate, the top fixedly connected with butt pole of mounting panel, the outer wall cover of butt pole is equipped with spring one, the top fixedly connected with bottom of top and the top fixedly connected with spring plate of top and the top fixedly connected with top plate of extension board of a top fixedly connected with top plate of the connecting plate.

Preferably, the top fixedly connected with riser of bottom plate, the inside of riser is equipped with the telescopic link, the top of telescopic link and the top fixed connection of organism.

Preferably, the bottom fixedly connected with of telescopic link is kept out the board, the bottom fixedly connected with spring two of keeping out the board, the bottom of spring two and the inner wall fixed connection of a vertical section of thick bamboo.

Preferably, one end of the rotating rod far away from the partition plate is fixedly connected with a rotating plate.

Preferably, the circumference of the rotating plate is rotationally connected with a stabilizing ring, and the bottom of the stabilizing ring is fixedly connected with the top of the bottom plate.

Preferably, the retaining plate is sleeved in the vertical cylinder, and the inner wall of the vertical cylinder is in sliding connection with the circumferential surface of the retaining plate.

Preferably, the side fixedly connected with slider of mounting panel, the spout has been seted up to the inner wall of fixed plate, slider and spout sliding connection.

Preferably, the top of bottom plate fixedly connected with mount pad, the top of mount pad passes through bolt fixed mounting with the bottom of motor.

The working principle and the beneficial effects of the utility model are as follows:

this grit sieving mechanism sets up shakes and falls the mechanism, starter motor makes output drive gear one rotate and gear two meshing make the rotary drum rotate between two baffles, rotary drum is supported and is moved even board and plectane displacement this moment, make plectane top mounting panel reciprocate extrusion spring one and produce vertical vibrations in the fixed plate inner loop, it is more violent to banks up cooperation spring two simultaneously and make vertical vibrations, and then make the grit pass through the sieve mesh of screen cloth fast, prevent that partial grit from being when passing the screen cloth sieve mesh, because grit and screen cloth aperture are almost big and then lead to blocking the emergence of phenomenon with the grit.

2. This grit sieving mechanism is the inclined plane with screen cloth and slide and installs, and the inclination of following the screen cloth that makes the grit can be better when getting into the organism rolls, prevents that the grit from piling up the emergence of filter screen top phenomenon, and qualified grit rolls the ejection of compact fast along the inclination of slide, has further improved the efficiency of grit screening.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a bottom view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

Fig. 4 is a schematic rear view of the present utility model.

In the figure: 1 a machine body and a first discharge port 11; 12 a second discharge port; 2, a bottom plate; 3, a shake-off mechanism; 31 motor; 32 gear one; 33 gear two; 34 turning rod; a 35 separator; a 36 drum; 37 connecting plates; 38 circular plates; 39 mounting plates; 310 a fixing plate; 311 supporting the rod; 312 spring one; 4, rotating a plate; 41 a stabilizing ring; 5, erecting a cylinder; a 51 telescopic rod; 52 a butt plate; 53 spring two; 6, screening; 61 a slide.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution for a sand screening device: the sand and stone screening device comprises a machine body 1, a first discharge hole 11 formed in the left side of the machine body 1, and a second discharge hole 12 formed in the other side of the machine body 1, wherein a screen 6 is fixedly arranged in the machine body 1 through bolts, and a sliding plate 61 is fixedly arranged in the machine body 1 through bolts;

The bottom of the machine body 1 is provided with a shake-off mechanism 3, the shake-off mechanism 3 is used for driving the screen 6 to shake and screen, the shake-off mechanism 3 comprises a motor 31, the top of the bottom plate 2 is fixedly connected with a mounting seat, the top of the mounting seat and the bottom of the motor 31 are fixedly mounted through bolts, the function of bearing the motor 31 is achieved, the output end of the motor 31 is fixedly connected with a first gear 32, the top of the first gear 32 is in meshed connection with a second gear 33, the inner wall of the second gear 33 is fixedly connected with a rotating rod 34, one end of the rotating rod 34 far away from the baffle 35 is fixedly connected with a rotating plate 4, the circumferential surface of the rotating plate 4 is rotationally connected with a stabilizing ring 41, the bottom of the stabilizing ring 41 is fixedly connected with the top of the bottom plate 2, one end of the rotating rod 34 is fixedly connected with a baffle 35, the side surface of the baffle 35 is rotationally connected with a rotary drum 36, the top of the rotary drum 36 is fixedly connected with a connecting plate 37, the top of the connecting plate 37 is fixedly connected with a circular plate 38, the top of the circular plate 38 is provided with a mounting plate 39, the side of the mounting plate 39 is fixedly connected with a sliding block, the inner wall of the fixing plate 310 is provided with a sliding groove, the sliding block is in sliding connection with the sliding groove, the inner wall of the mounting plate 39 can vertically reciprocate, the inner wall of the mounting plate is movably connected with the rotating plate 4, one end of the rotating plate is fixedly connected with the rotating plate 4, the rotating plate is fixedly connected with the rotating plate 3, the bottom of the bottom plate 311 is fixedly connected with the top of the top plate 3, and the top of the bottom plate 311 is fixedly connected with the top of the bottom plate 2 by a spring 310, and the bottom of the bottom plate 3 is fixedly connected with the top of the bottom plate 3;

The top fixedly connected with riser 5 of bottom plate 2, the inside of riser 5 is equipped with telescopic link 51, the top of telescopic link 51 and the top fixed connection of organism 1, the bottom fixedly connected with of telescopic link 51 is held out the board 52, hold out the board 52 cover and establish the inside at riser 5, and the inner wall of riser 5 and the circumference sliding connection of holding out the board 52 play the effect of spacing to telescopic link 51, the bottom fixedly connected with spring two 53 of holding out the board 52, the bottom of spring two 53 and the inner wall fixed connection of riser 5.

The working principle and the using flow of the utility model are as follows: the motor 31 is started to drive the first gear 32 to rotate and mesh with the second gear 33, the second gear 33 rotates to drive the rotating rod 34 and the partition plates 35 to rotate, the rotary drum 36 between the two partition plates 35 rotates synchronously and shifts synchronously, at the moment, the rotary drum 36 props against the connecting plate 37 and the circular plate 38 to synchronously shift, the mounting plate 39 at the top of the circular plate 38 moves up and down in a circulating manner in the fixed plate 310, the mounting plate 39 drives the propping rod 311 to move up and squeeze the first spring 312 and prop up and move the machine body 1, meanwhile, the telescopic rod 51 moves along with the machine body 1 and repeatedly squeezes the second spring 53, vertical vibration is generated through the circulating up and down shift to enable the whole screen 6 to vibrate more severely, sand and stone to pass through the sieve holes of the screen 6 quickly, sand and stone conforming to the size is poured into the top of the screen 6 to be screened at the moment, sand and stone conforming to the size falls down to the sliding plate 61 from the sieve holes and rolls out from the second discharge hole 12 to be collected from the first discharge hole.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a grit sieving mechanism, includes organism (1), sets up first discharge gate (11) in organism (1) left side, sets up second discharge gate (12) at organism (1) opposite side, a serial communication port, the inside of organism (1) is through bolt fixed mounting has screen cloth (6), the inside of organism (1) is through bolt fixed mounting has slide (61), the bottom of organism (1) is provided with shakes and falls mechanism (3), shakes and falls mechanism (3) and be used for driving screen cloth (6) and shake screening, shakes and falls mechanism (3) including motor (31), the output fixedly connected with gear one (32) of motor (31), the top meshing of gear one (32) is connected with gear two (33), the inner wall fixedly connected with bull stick (34) of gear two (33), one end fixedly connected with baffle (35) of bull stick (34), the side rotation of baffle (35) is connected with rotary drum (36), the top fixedly connected with link plate (37) of rotary drum (36), the top of link plate (37) is fixed connection with plectane (38), the top of plectane (38) is equipped with movable connection plectane (38), the bottom of organism (1) is equipped with bottom plate (2), the top fixedly connected with fixed plate (310) of bottom plate (2), the top fixedly connected with of mounting panel (39) supports pole (311), the outer wall cover of supporting pole (311) is equipped with spring one (312), the top of spring one (312) and the inner wall fixed connection of fixed plate (310), the bottom of spring one (312) and the top fixed connection of mounting panel (39), the top of mounting panel (39) and the bottom fixed connection of supporting pole (311), the top of supporting pole (311) runs through the inner wall of fixed plate (310) and extends to the top of fixed plate (310).

2. The sand screening device according to claim 1, characterized in that a vertical cylinder (5) is fixedly connected to the top of the bottom plate (2), a telescopic rod (51) is arranged in the vertical cylinder (5), and the top end of the telescopic rod (51) is fixedly connected with the top end of the machine body (1).

3. The sand screening device according to claim 2, wherein the bottom end of the telescopic rod (51) is fixedly connected with a retaining plate (52), the bottom of the retaining plate (52) is fixedly connected with a second spring (53), and the bottom end of the second spring (53) is fixedly connected with the inner wall of the vertical cylinder (5).

4. A sand screening device according to claim 1, characterized in that the end of the rotating rod (34) remote from the partition plate (35) is fixedly connected with the rotating plate (4).

5. The sand screening device according to claim 4, wherein the circumferential surface of the rotating plate (4) is rotatably connected with a stabilizing ring (41), and the bottom of the stabilizing ring (41) is fixedly connected with the top of the bottom plate (2).

6. A sand screening device according to claim 3, characterized in that the retaining plate (52) is arranged inside the vertical cylinder (5) in a sleeved manner, and the inner wall of the vertical cylinder (5) is in sliding connection with the circumferential surface of the retaining plate (52).

7. The sand screening device according to claim 1, characterized in that the side surface of the mounting plate (39) is fixedly connected with a sliding block, the inner wall of the fixing plate (310) is provided with a sliding groove, and the sliding block is in sliding connection with the sliding groove.

8. The sand screening device according to claim 1, characterized in that the top of the bottom plate (2) is fixedly connected with a mounting seat, and the top of the mounting seat and the bottom of the motor (31) are fixedly mounted through bolts.