CN219092712U

CN219092712U - Fine sand screening equipment

Info

Publication number: CN219092712U
Application number: CN202320019545.1U
Authority: CN
Inventors: 范斐
Original assignee: Zibo High Tech Zone Technology Service Co ltd
Current assignee: Zibo High Tech Zone Technology Service Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-05-30
Anticipated expiration: 2033-01-05

Abstract

The utility model relates to the technical field of fine sand screening, and discloses fine sand screening equipment, wherein output shafts at two ends of a double-headed motor are fixedly connected with first belt pulleys, a transmission belt is in transmission connection between the first belt pulleys and the second belt pulleys, the outer surfaces of the second belt pulleys are coaxially connected with turntables, the outer surfaces of the turntables are rotatably connected with connecting rods, the lower surfaces of the connecting rods are fixedly connected with racks, the outer surfaces of the racks are in meshed connection with gears, a screen is fixedly connected between the connecting rods, the screen is driven by the connecting rods to perform the same reciprocating motion of swinging up and down and mixing up and back, sand and stone are rapidly screened on the screen, the bumping of the screen can be completed without springs, the service life of the device is prolonged, and sand and stone can be prevented from being overturned in the bumping through baffle plates around the screen.

Description

Fine sand screening equipment

Technical Field

The utility model relates to the technical field of fine sand screening, in particular to fine sand screening equipment.

Background

A large amount of sand stone is needed to be applied in the construction engineering, wherein the sand stone is a common material, and the sand stone, coarse sand, fine sand, cement and the like are mixed according to a certain proportion and then used; before the fine sand is used, the fine sand is firstly screened, coarse sand with larger size and stones in the fine sand are screened out through screening, and then the fine sand is used.

The existing fine sand screening equipment generally adopts a vibrating screen to screen sand and stones, however, the main structure of the vibrating screen mainly adopts a spring seat, the spring seat is easy to age and even damage after being used for a period of time, the spring seat needs to be replaced, screening efficiency is affected, as in the prior art represented by an automatic high-efficiency vibrating screen (publication No. CN 217165285U) for ultra fine sand screening, when the spring seat is damaged, a hand-held pulling plate moves in a direction far away from a mounting seat along with the use of the vibrating screen until a baffle is not shielded in a mounting groove and a chute opening, then a fixing plate is taken out from the mounting groove, a supporting spring is slidingly separated from the chute, the spring seat is detached, maintenance can be carried out on the spring seat, or a scheme for replacing a new spring seat is updated, and the problem exists.

Disclosure of Invention

The utility model aims to provide fine sand screening equipment for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fine sand screening installation, includes the screening case, the internally connected of screening case has screening mechanism, and screening mechanism includes the first belt pulley of the equal fixedly connected with of both ends output shaft of double-end motor, two first belt pulley and two equal transmission between the second belt pulley is connected with conveyer, two equal coaxial coupling of surface of second belt pulley has the carousel, two equal rotation of surface of carousel is connected with the connecting rod, two equal fixedly connected with rack of lower surface of connecting rod, two equal meshing of surface of rack is connected with the gear, two fixedly connected with screen cloth between the connecting rod.

Optionally, the stud motor passes through bolt and screening case's upper surface center department fixed connection, two the equal rotation of second belt pulley is connected in the surface of screening case, and stud motor passes through first belt pulley and conveyer, drives the second belt pulley rotation.

Optionally, the connecting axle activity between second belt pulley and the carousel runs through the surface of screening case, and the carousel rotates to be connected in the inner wall of screening case, and the second belt pulley drives the carousel rotatory when rotatory, because the connecting rod is circular motion and rack and the gear engagement of connecting rod below.

Optionally, a fixed shaft is fixedly connected between the two gears, the two gears are rotationally connected with the inner wall of the screening box through the fixed shaft, and the connecting rod performs reciprocating motion of up-down swing mixing front-back movement.

Optionally, the surface of two the connecting rods leans against with the surface of carousel, and two the connecting rods are located the lower surface both sides of screen cloth respectively, and the connecting rod drives the screen cloth and carries out the reciprocating motion of the mixed back and forth movement of the same vertical rocking, and the grit carries out quick screening at the screen cloth.

Optionally, the inner wall lower surface sliding connection of screening case has the collecting box, and the collecting box is located under the screen cloth, along with the screening of screen cloth, in the fine sand dropped the collecting box through the mesh of screen cloth, uniformly collect the fine sand, after the screening is accomplished, pull collecting box can take out the fine sand completely.

Compared with the prior art, the utility model has the beneficial effects that:

1. this fine sand screening installation drives the screen cloth through the connecting rod and carries out the same reciprocating motion that sways the mixed back and forth of upper and lower, and the grit carries out quick screening at the screen cloth, need not to adopt the spring, can accomplish the jolt of screen cloth, has improved the device's life.

2. This fine sand screening installation, through screen cloth baffle all around, can prevent that the grit from jolting out in jolting, in the fine sand drops the collecting box through the mesh of screen cloth, unify the collection to fine sand, improved the device's convenience.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a fine sand screening apparatus according to the present utility model;

FIG. 2 is a cross-sectional view of a screening box in a fine sand screening apparatus according to the present utility model;

FIG. 3 is a schematic view of a screening mechanism in a fine sand screening apparatus according to the present utility model;

fig. 4 is a schematic structural view of a connecting rod in the fine sand screening apparatus of the present utility model.

In the figure: 1. a screening box; 2. a screening mechanism; 21. a double-ended motor; 22. a first pulley; 23. a conveyor belt; 24. a second pulley; 25. a turntable; 26. a connecting rod; 27. a rack; 28. a gear; 3. a screen; 4. and (5) collecting a box.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled 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 fine sand screening device, which comprises a screening box 1, wherein a screening mechanism 2 is connected to the inside of the screening box 1, the screening mechanism 2 comprises a double-headed motor 21 and two groups of second belt pulleys 24, output shafts at two ends of the double-headed motor 21 are fixedly connected with first belt pulleys 22, a transmission belt 23 is connected between the two first belt pulleys 22 and the two second belt pulleys 24 in a transmission manner, outer surfaces of the two second belt pulleys 24 are coaxially connected with turntables 25, outer surfaces of the two turntables 25 are rotatably connected with connecting rods 26, lower surfaces of the two connecting rods 26 are fixedly connected with racks 27, outer surfaces of the two racks 27 are in meshed connection with gears 28, and a screen 3 is fixedly connected between the two connecting rods 26.

The double-headed motor 21 is fixedly connected with the center of the upper surface of the screening box 1 through bolts, two second belt pulleys 24 are both rotatably connected to the outer surface of the screening box 1, and the double-headed motor 21 drives the second belt pulleys 24 to rotate through the first belt pulleys 22 and the conveying belt 23.

The connecting shaft between the second belt pulley 24 and the turntable 25 movably penetrates through the outer surface of the screening box 1, the turntable 25 is rotatably connected to the inner wall of the screening box 1, the second belt pulley 24 drives the turntable 25 to rotate while rotating, and the connecting rod 26 performs circular motion, and the rack 27 below the connecting rod 26 is meshed with the gear 28.

A fixed shaft is fixedly connected between the two gears 28, the two gears 28 are rotationally connected with the inner wall of the screening box 1 through the fixed shaft, and the connecting rod 26 performs reciprocating motion of up-and-down swinging and mixing front-and-back movement.

The outer surfaces of the two connecting rods 26 are propped against the outer surface of the turntable 25, the two connecting rods 26 are respectively positioned on two sides of the lower surface of the screen 3, the connecting rods 26 drive the screen 3 to perform the same reciprocating motion of up-down swinging and mixing back-and-forth movement, and sand and stone are rapidly screened on the screen 3.

The inner wall lower surface sliding connection of screening case 1 has collection box 4, and collection box 4 is located screen cloth 3 under, along with screen cloth 3's screening, in fine sand dropped collection box 4 through screen cloth 3's mesh, unify the collection to fine sand, after the screening is accomplished, pull collection box 4, can take out fine sand completely.

Working principle: when the device is used, firstly sand and stones are placed on the screen 3, then the double-headed motor 21 is started, the double-headed motor 21 drives the second belt pulley 24 to rotate through the first belt pulley 22 and the conveying belt 23, the second belt pulley 24 drives the turntable 25 to rotate while rotating, as the connecting rod 26 performs circular motion and the rack 27 below the connecting rod 26 is meshed with the gear 28, the connecting rod 26 performs reciprocating motion of up-down swinging mixing front-back movement, the connecting rod 26 drives the screen 3 to perform the same reciprocating motion of up-down swinging mixing front-back movement, the sand and stones are rapidly screened on the screen 3, the baffle plates around the screen 3 can prevent sand and stones from being overturned in jolting, fine sand falls into the collecting box 4 through meshes of the screen 3 along with screening of the screen 3, the fine sand is uniformly collected, and after screening is completed, the collecting box 4 is pulled, and the fine sand can be completely taken out.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fine sand screening installation, includes screening case (1), its characterized in that, the internal connection of screening case (1) has screening mechanism (2), and screening mechanism (2) include double-end motor (21) and two sets of second belt pulley (24), and the equal fixedly connected with of both ends output shaft of double-end motor (21) is first belt pulley (22), two equal transmission between first belt pulley (22) and the second belt pulley (24) is connected with conveyer (23), two equal coaxial coupling of surface of second belt pulley (24) has carousel (25), two equal rotation of surface of carousel (25) is connected with connecting rod (26), two equal fixedly connected with rack (27) of lower surface of connecting rod (26), two equal meshing of the surface of rack (27) is connected with gear (28), two fixedly connected with screen cloth (3) between connecting rod (26).

2. A fine sand screening apparatus according to claim 1, characterized in that the double-headed motor (21) is fixedly connected to the center of the upper surface of the screening box (1) by means of bolts, and both the second pulleys (24) are rotatably connected to the outer surface of the screening box (1).

3. A fine sand screening apparatus according to claim 1, characterized in that the connection shaft between the second pulley (24) and the turntable (25) is movably penetrating the outer surface of the screening box (1), the turntable (25) being rotatably connected to the inner wall of the screening box (1).

4. A fine sand screening apparatus according to claim 1, characterized in that a stationary shaft is fixedly connected between two of the gears (28), through which stationary shaft the two gears (28) are in rotational connection with the inner wall of the screening box (1).

5. A fine sand screening apparatus according to claim 1, characterized in that the outer surfaces of two of the connecting rods (26) are in abutment with the outer surface of the turntable (25), the two connecting rods (26) being located on both sides of the lower surface of the screen (3), respectively.

6. A fine sand screening apparatus according to claim 1, characterized in that the inner wall lower surface of the screening box (1) is slidingly connected with a collecting box (4), the collecting box (4) being located directly under the screen (3).