CN219683261U

CN219683261U - Multistage screening equipment of concrete aggregate

Info

Publication number: CN219683261U
Application number: CN202321328817.2U
Authority: CN
Inventors: 卞周彬; 熊华灵; 杨红新; 向华东
Original assignee: Yichang Outai Concrete Co ltd
Current assignee: Yichang Outai Concrete Co ltd
Priority date: 2023-05-29
Filing date: 2023-05-29
Publication date: 2023-09-15
Anticipated expiration: 2033-05-29

Abstract

The utility model discloses a concrete aggregate multistage screening device, which relates to the technical field of concrete aggregate screening and comprises a screening box body, wherein a feeding pipe is fixedly arranged at the top of the screening box body, a first discharging pipe is fixedly arranged at the bottom of the screening box body, two groups of screening mechanisms which are symmetrically arranged left and right are arranged in the screening box body, a rotating motor is fixedly arranged on the outer wall of the middle part of one end of the screening box body, a rotating shaft is fixedly arranged on an output shaft of the rotating motor, the rotating shaft penetrates through the screening box body, a first belt pulley is fixedly arranged at one end of the rotating shaft far away from the rotating motor, and connecting rods are rotatably arranged on the opposite sides of the two ends of the screening mechanisms. The utility model can screen the aggregate in all directions up and down and left and right, and improves the sufficiency of screening the aggregate.

Description

Multistage screening equipment of concrete aggregate

Technical Field

The utility model relates to the technical field of concrete aggregate screening, in particular to a concrete aggregate multistage screening device.

Background

The concrete aggregate is sand and stone which play a role of a skeleton in concrete, and the aggregate is often required to be screened in the process of producing concrete with specific specifications, and the aggregate with proper particle size is selected.

Through retrieval, chinese patent publication number is: CN218835178U discloses a multistage screening equipment of concrete aggregate, relate to the concrete screening field, it is including installing subaerial box at the level, feed inlet and extraction opening have been seted up to the upside of box, the discharge gate has been seted up to the lateral wall under the box, be provided with the multistage screening subassembly that is used for carrying out many times screening to the aggregate in the box, multistage screening subassembly includes from the top down respectively lift installation at last sieve in the box and lower sieve, the aperture of last sieve is greater than the aperture of sieve down, last export and lower export have been seted up respectively to last sieve down on the box lateral wall correspondingly, be connected with the exhaust tube through the extraction opening on the box, the exhaust tube is connected with the air exhauster, exhaust blower is kept away from exhaust tube one side and is connected with the dust removal subassembly that is used for removing dust. In the screening process, the exhaust pipe is matched with the exhaust fan to exhaust and send dust into the dust removing component, and the dust removing device can remove dust in the screening process.

The device can only shake the screening from top to bottom to the aggregate in the in-process of screening the aggregate, but single vibrations screening from top to bottom, screening effect is poor, has the insufficient problem of screening.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a concrete aggregate multistage screening device. The advantages are that: the aggregate can be screened up, down, left and right in all directions, and the sufficiency of screening the aggregate is improved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a multistage screening equipment of concrete aggregate, includes the screening box, the top fixed mounting of screening box has the inlet pipe, the bottom fixed mounting of screening box has first row material pipe, the internally mounted of screening box has two sets of screening mechanisms that bilateral symmetry set up, the one end middle part outer wall fixed mounting of screening box has the rotation motor, and the output shaft fixed mounting of rotation motor has the axis of rotation, and the axis of rotation runs through screening box setting, the one end fixed mounting that rotation motor was kept away from to the axis of rotation has first belt pulley, the connecting rod is installed in the equal rotation of opposite one side at screening mechanism both ends, and is close to the connecting rod and the inner wall rotation of screening box of rotation motor one end and be connected, and the connecting rod that is close to first belt pulley one end is connected with the second belt pulley through the pivot, two the cover has driving belt respectively between second belt pulley and the first belt pulley.

Through above-mentioned technical scheme, during the use, throw into screening box with the aggregate from the inlet pipe in, simultaneously, drive first belt pulley and second belt pulley by rotating the motor and rotate, and then drive the connecting rod and rotate for one side of screening mechanism can rotate along the connecting rod, and then can realize the vibration about the top and bottom of screening mechanism top aggregate, improved the sufficiency to the material screening.

The screening mechanism further comprises a supporting groove plate, a discharge hole is formed in one side, far away from the connecting rod, of the supporting groove plate, and a second discharge pipe is fixedly arranged at the position, close to the discharge hole, of the screening box body.

Through the technical scheme, the sieved aggregate can be discharged along the second discharging pipe and the first discharging pipe, so that the sieved material can be conveniently collected.

The utility model is further characterized in that the bottom of the supporting groove plate is provided with a mounting opening, a screen is arranged in the mounting opening, and a spring is fixedly arranged between the screen and the mounting opening.

Through above-mentioned technical scheme, carry out screening treatment to the aggregate by the screen cloth, improve the vibration effect of screen cloth by the spring, and then improve the screening effect to the aggregate.

The utility model further provides that a rubber pad is fixedly arranged at the top position between the screen and the supporting groove plate.

Through above-mentioned technical scheme, seal between screen cloth and the support frid by the rubber pad, avoid the material card to die between screen cloth and support frid.

The utility model is further characterized in that a second raised line is fixedly arranged at the central position of the bottom of the screen, a supporting rod is arranged below the screen, two ends of the supporting rod are fixedly arranged on the inner walls of two ends of the screening box body, a first raised line is fixedly arranged at the top of the supporting rod, and the first raised line is contacted with the second raised line when the screen moves to the lowest position.

Through above-mentioned technical scheme, at one side of screen cloth constantly pivoted in-process, the continuous contact of first sand grip and second sand grip, the vibration effect of screen cloth can be effectually improved to the first sand grip and the second sand grip of continuous striking, and then further improved the screening effect to the aggregate.

The utility model is further characterized in that one side, far away from the connecting rod, of the two ends of the screening mechanism is fixedly provided with the sliding blocks, the inner walls of the two ends of the screening box body, which are positioned at the sliding blocks, are provided with sliding grooves which are horizontally arranged, and the sliding blocks are arranged in the sliding grooves in a sliding manner.

Through above-mentioned technical scheme, support the fluted plate and keep away from one side of connecting rod can make a round trip translation at the continuous pivoted in-process of connecting rod, improved the stability of screen cloth screening operation.

The beneficial effects of the utility model are as follows:

1. the utility model provides a concrete aggregate multistage screening device, which is characterized in that when in use, aggregates are thrown into a screening box body from a feeding pipe, and meanwhile, a rotating motor drives a first belt pulley and a second belt pulley to rotate so as to drive a connecting rod to rotate, so that one side of a screening mechanism can rotate along the connecting rod, further, the up-down and left-right vibration of the aggregates above the screening mechanism can be realized, and the sufficiency of screening materials is improved.

2. The utility model provides concrete aggregate multistage screening equipment, which is provided with springs, wherein the springs are used for screening aggregates, and the springs are used for improving the vibration effect of the screen, so that the screening effect of the aggregates is improved.

3. The utility model provides concrete aggregate multistage screening equipment, which is provided with a first convex strip and a second convex strip, wherein the first convex strip and the second convex strip are in continuous contact in the process of continuously rotating one side of a screen, and the first convex strip and the second convex strip which are continuously impacted can effectively improve the vibration effect of the screen, so that the screening effect of aggregate is further improved.

Drawings

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

FIG. 2 is a schematic diagram of a cross-sectional front view of a screening box of the present utility model;

FIG. 3 is an enlarged view of the utility model at A;

FIG. 4 is a schematic top view of a slider according to the present utility model.

In the figure: 1. screening the box body; 2. a feed pipe; 3. a first discharge pipe; 4. a second discharge pipe; 5. a first pulley; 6. a second pulley; 7. a drive belt; 8. a screen; 9. supporting the trough plate; 10. a connecting rod; 11. a slide block; 12. a first protruding strip; 13. a second protruding strip; 14. a support rod; 15. a spring; 16. and a rubber pad.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.

Referring to fig. 1-4, a multistage screening equipment of concrete aggregate, including screening box 1, screening box 1's top fixed mounting has inlet pipe 2, screening box 1's bottom fixed mounting has first row material pipe 3, screening box 1's internally mounted has two sets of screening mechanisms that bilateral symmetry set up, screening box 1's one end middle part outer wall fixed mounting has rotating electrical machines, and rotating electrical machines's output shaft fixed mounting has the axis of rotation, the axis of rotation runs through screening box 1 setting, rotating electrical machines's one end fixed mounting has first belt pulley 5 is kept away from to the axis of rotation, connecting rod 10 is all installed in rotation to the opposite one side at screening mechanism both ends, and connecting rod 10 that is close to rotating electrical machines one end is connected with screening box 1's inner wall rotation, connecting rod 10 that is close to first belt pulley 5 one end is connected with second belt pulley 6 through the pivot, be overlapped respectively between two second belt pulley 6 and the first belt pulley 5, one side fixed mounting that screening mechanism both ends kept away from connecting rod 10 has slider 11, screening box 1 both ends inner wall are located slider 11 department and all has offered the spout that the level set up, and slider 11 slides and set up in the spout, supporting groove 9 keeps away from connecting rod's one side can be broken in 10, the continuous translation stability of screen cloth 8 has been carried out.

Further, referring to fig. 1-3, the screening mechanism comprises a supporting groove plate 9, a discharge hole is formed in one side, far away from the connecting rod 10, of the supporting groove plate 9, a second discharge pipe 4 is fixedly arranged at the position, close to the discharge hole, of the screening box body 1, and screened aggregate can be discharged along the second discharge pipe 4 and the first discharge pipe 3, so that screened materials can be conveniently collected;

the installation mouth has been seted up to the bottom of supporting the frid 9, and be provided with screen cloth 8 in the installation mouth, fixed mounting has spring 15 between screen cloth 8 and the installation mouth, top position department fixed mounting between screen cloth 8 and the supporting the frid 9 has rubber pad 16, carry out screening treatment to the aggregate by screen cloth 8, improve the vibration effect of screen cloth 8 by spring 15, and then improve the screening effect to the aggregate, seal between screen cloth 8 and the supporting frid 9 by rubber pad 16, avoid the material card to die between screen cloth 8 and supporting frid 9.

It should be noted that referring to fig. 2, the second raised line 13 is fixedly installed at the bottom central position of the screen 8, the supporting rod 14 is provided at the lower side of the screen 8, and the two ends of the supporting rod 14 are fixedly installed on the inner walls of the two ends of the screening box 1, the first raised line 12 is fixedly installed at the top of the supporting rod 14, the screen 8 moves to the lowest state, the first raised line 12 contacts with the second raised line 13, in the process that one side of the screen 8 continuously rotates, the first raised line 12 continuously contacts with the second raised line 13, and the vibration effect of the screen 8 can be effectively improved by the continuously impacting first raised line 12 and the second raised line 13, and further the screening effect on aggregates is further improved.

Working principle: during the use, throw into screening box 1 with the aggregate in the inlet pipe 2, simultaneously, drive first belt pulley 5 and second belt pulley 6 by rotating the motor and rotate, and then drive connecting rod 10 and rotate for one side of screening mechanism can rotate along connecting rod 10, and then can realize the vibration about the top and bottom of screening mechanism top aggregate, improved the sufficiency to the material screening.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a multistage screening equipment of concrete aggregate, includes screening box (1), the top fixed mounting of screening box (1) has inlet pipe (2), the bottom fixed mounting of screening box (1) has first row material pipe (3), a serial communication port, the internally mounted of screening box (1) has two sets of screening mechanisms that bilateral symmetry set up, the one end middle part outer wall fixed mounting of screening box (1) has rotation motor, and rotation motor's output shaft fixed mounting has the axis of rotation, and the axis of rotation runs through screening box (1) setting, rotation axis is kept away from rotation motor's one end fixed mounting and is had first belt pulley (5), the connecting rod (10) are all rotated to opposite one side of screening mechanism both ends, and be close to connecting rod (10) and the inner wall rotation of screening box (1) of rotation motor one end, connecting rod (10) that are close to first belt pulley (5) one end are connected with second belt pulley (6) through the pivot, two respectively cover between second belt pulley (6) and first belt pulley (5).

2. The multi-stage screening device for concrete aggregate according to claim 1, wherein the screening mechanism comprises a supporting groove plate (9), a discharge opening is formed in one side, far away from the connecting rod (10), of the supporting groove plate (9), and a second discharge pipe (4) is fixedly arranged at the position, close to the discharge opening, of the screening box body (1).

3. A multistage screening device for concrete aggregate according to claim 2, characterized in that the bottom of the supporting trough plate (9) is provided with a mounting opening, a screen (8) is arranged in the mounting opening, and a spring (15) is fixedly arranged between the screen (8) and the mounting opening.

4. A multi-stage screening apparatus for concrete aggregate according to claim 3, characterized in that a rubber pad (16) is fixedly mounted at a top position between the screen (8) and the supporting trough plate (9).

5. A concrete aggregate multistage screening device according to claim 3, wherein the second raised strips (13) are fixedly installed at the central position of the bottom of the screen (8), the supporting rods (14) are arranged below the screen (8), the two ends of the supporting rods (14) are fixedly installed on the inner walls of the two ends of the screening box body (1), the first raised strips (12) are fixedly installed at the top of the supporting rods (14), and the first raised strips (12) are contacted with the second raised strips (13) when the screen (8) moves to the lowest state.

6. The concrete aggregate multistage screening device according to claim 1, wherein a sliding block (11) is fixedly arranged on one side, away from the connecting rod (10), of two ends of the screening mechanism, sliding grooves which are horizontally arranged are formed in the positions, located at the sliding blocks (11), of the inner walls of two ends of the screening box body (1), and the sliding blocks (11) are arranged in the sliding grooves in a sliding mode.