CN215235816U - Screening plant is used in recycled concrete preparation - Google Patents

Abstract

The utility model discloses a screening plant is used in recycled concrete preparation, relate to the screening field, external pipeline is connected with the inlet pipe, treat that the concrete of screening gets into the cavity from the feed inlet, the starter motor, motor drive axis of rotation rotates and drives the eccentric wheel and rotate, through the cooperation between eccentric wheel and the spacing groove, make the box be approximate circular motion under the drive, the box drives the filter screen in every layer of screening layer and is periodic motion this moment, concrete on the filter screen is directional leap formula motion along with the box, at this in-process, the concrete that is less than the filter screen aperture falls lower floor's filter screen, obtain the concrete of different granule sizes after every layer of screening, improve screening efficiency.

Description

Screening plant is used in recycled concrete preparation

Technical Field

The utility model relates to a screening field, more specifically say, relate to a screening plant for recycled concrete preparation.

Background

Sieving is a method of separating particles of a particle group according to the particle size, specific gravity, chargeability, magnetism, and other powder properties. The operation of dividing the mixed material with different particle sizes into different particle size grades by using a perforated screen surface is called screening.

However, the structure of the vibrating device of the screening device in the prior art is complex and tedious, if the vibrating device goes wrong after being used for a long time, the maintenance is time-consuming and long, the working efficiency is greatly reduced, the vibrating device is directly screened out through a discharge hole in the screening process, but the structure can produce large dust and powder when discharging, and workers are likely to generate respiratory tract diseases and get unreliated in the environment for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screening plant is used in recycled concrete preparation aims at solving the problem among the prior art effectively.

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model provides a screening plant for recycled concrete preparation, includes the box, the top fixedly connected with inlet pipe of box, the feed inlet has been link up to the top of inlet pipe, first screening layer has been seted up to one section surface top of box, the second screening layer has been seted up to the below of first screening layer, the third screening layer has been seted up to the below of second screening layer, the fourth screening layer has been seted up to the below of third screening layer, all be provided with the sieve structure in first screening layer, second screening layer, third screening layer and the fourth screening layer, obtain the concrete of different granule sizes after every layer of screening, improve screening efficiency.

Preferably, the sieve plate structure mainly comprises a sealing plate, a handle is fixedly connected to the surface of the outer side of the sealing plate, a sliding frame is fixedly connected to the inner side wall of the sealing plate, sliding blocks are arranged on two sides of the sliding frame, and a filter screen is arranged in the sliding frame.

Preferably, the four corners of the bottom of the box body are fixedly connected with supporting springs, the other ends of the supporting springs are fixedly connected with a support, and the bottom of the support is fixedly connected with a motor.

Preferably, the output end above the motor is rotatably connected with a rotating shaft, the rotating shaft extends upwards to penetrate through the support, and an eccentric wheel is rotatably connected above the rotating shaft.

Preferably, the bottom middle part fixedly connected with stopper of box, set up the spacing groove in the stopper, the shape of stopper and spacing groove all sets up to be circular, be tangent laminating setting between the inner wall of spacing groove and the eccentric wheel.

Preferably, a cavity is formed in the box body, the cavity and the feed inlet are arranged in a through mode, guide rails are fixedly connected to the inner walls of the two sides of the cavity, each guide rail is arranged in a mode that the position of each guide rail corresponds to the position of each screening layer, a sliding groove is formed in the inner side wall of each guide rail, and each sliding groove is connected with a sliding block in a sliding mode.

Compared with the prior art, the utility model has the advantages of:

(1) in the scheme, a motor is started, the motor drives a rotating shaft to rotate to drive an eccentric wheel to rotate, and the box body is driven to do approximate circular motion through the matching between the eccentric wheel and a limiting groove.

(2) Avoid powder or dust to fly upward simultaneously through the closing plate in the screening process in the present case, realize the silence screening, environmental protection more, pull out the sieve structure through the handle after accomplishing, the screen aperture footpath is the biggest in the first screening layer, the screen aperture footpath in the second screening layer is less than the aperture in the first screening layer, the screen aperture footpath in the third screening layer is less than the aperture in the second screening layer, analogize with this, and be convenient for install and dismantle the sieve structure through the cooperation between sliding frame and the slider, and work efficiency is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the sieve plate of the present invention;

FIG. 3 is a schematic view of the bracket structure of the present invention;

FIG. 4 is a schematic structural view of the eccentric wheel of the present invention;

fig. 5 is a schematic view of the whole structure inside the box body of the present invention.

The reference numbers in the figures illustrate:

1. a box body; 2. a feed pipe; 3. a feed inlet; 4. a first screening layer; 5. a second screening layer; 6. a third screening layer; 7. a fourth screening layer; 8. a sieve plate structure; 801. a sealing plate; 802. a handle; 803. a slide frame; 804. a slider; 805. filtering with a screen; 9. a support spring; 10. a support; 11. a motor; 12. a rotating shaft; 13. an eccentric wheel; 14. a limiting block; 1401. a limiting groove; 15. a cavity; 16. a guide rail; 1601. a chute.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Example (b):

referring to fig. 1-5, a screening device for recycled concrete preparation comprises a box body 1, a feeding pipe 2 is fixedly connected to the upper portion of the box body 1, a feeding port 3 is formed in the upper portion of the feeding pipe 2 in a penetrating mode, a first screening layer 4 is formed above one section of the surface of the box body 1, a second screening layer 5 is formed below the first screening layer 4, a third screening layer 6 is formed below the second screening layer 5, a fourth screening layer 7 is formed below the third screening layer 6, and a screening plate structure 8 is arranged in each of the first screening layer 4, the second screening layer 5, the third screening layer 6 and the fourth screening layer 7.

In this embodiment, an external pipeline is connected with the feeding pipe 2 before screening, concrete to be screened enters the cavity 15 from the feeding port 3, the motor 11 is started, the motor 11 drives the rotating shaft 12 to rotate to drive the eccentric wheel 13 to rotate, the box body 1 is driven to make an approximate circular motion through the cooperation between the eccentric wheel 13 and the limiting groove 1401, at this time, the box body 1 drives the filter screen 805 in each screening layer to make a periodic motion, the concrete on the filter screen 805 makes a directional jumping motion along with the box body 1, in the process, the concrete smaller than the aperture of the filter screen 805 falls to the lower filter screen 805, the concrete with different particle sizes is obtained after screening of each layer, and the screening efficiency is improved.

Specifically, referring to fig. 1-2, the screen plate structure 8 mainly includes a sealing plate 801, a handle 802 is fixedly connected to an outer surface of the sealing plate 801, a sliding frame 803 is fixedly connected to an inner side wall of the sealing plate 801, sliding blocks 804 are disposed on two sides of the sliding frame 803, and a filter screen 805 is disposed in the sliding frame 803.

In this embodiment, when powder or dust is prevented from flying up through the sealing plate 801 in the screening process, silent screening is realized, and the environment is protected more, the screen plate structure 8 is pulled out through the handle 802 after the screening is completed, the aperture of the filter screen 805 in the first screening layer 4 is the largest, the aperture of the filter screen 805 in the second screening layer 5 is smaller than that in the first screening layer 4, the aperture of the filter screen 805 in the third screening layer 6 is smaller than that in the second screening layer 5, and so on, and the screen plate structure 8 is convenient to install and detach through the cooperation between the sliding frame 803 and the sliding block 804.

Specifically, referring to fig. 1-3, four corners of the bottom of the box body 1 are fixedly connected with supporting springs 9, the other ends of the four groups of supporting springs 9 are fixedly connected with a support 10, and the bottom of the support 10 is fixedly connected with a motor 11.

In this embodiment, the box 1 and the bracket 10 are connected by the supporting spring 9, which assists the box 1 to make an approximately circular motion when vibrating.

Specifically, referring to fig. 1-5, the output end of the upper side of the motor 11 is rotatably connected with a rotating shaft 12, the rotating shaft 12 extends upwards to penetrate through the bracket 10, and an eccentric wheel 13 is rotatably connected above the rotating shaft 12.

In this embodiment, the motor 11 is started, the motor 11 drives the rotating shaft 12 to rotate to drive the eccentric wheel 13 to rotate, and the box body 1 is driven to perform an approximately circular motion by the cooperation between the eccentric wheel 13 and the limiting groove 1401.

Specifically, referring to fig. 1-5, a limiting block 14 is fixedly connected to the middle portion of the bottom of the box body 1, a limiting groove 1401 is formed in the limiting block 14, the limiting block 14 and the limiting groove 1401 are both circular, and the inner wall of the limiting groove 1401 and the eccentric wheel 13 are in tangential fit.

In this embodiment, the eccentric wheel 13 is engaged with the limit slot 1401 to drive the case 1 to perform a circular motion.

Specifically, referring to fig. 1-5, a cavity 15 is formed in the box body 1, the cavity 15 and the feed inlet 3 are arranged in a penetrating manner, guide rails 16 are fixedly connected to inner walls of two sides of the cavity 15, the position of each group of guide rails 16 corresponds to the position of each group of screening layers, a sliding groove 1601 is formed in an inner side wall of each guide rail 16, and the sliding groove 1601 and the sliding block 804 are in sliding connection.

In this embodiment, the concrete to be screened enters the cavity 15 from the feed inlet 3, the concrete on the filter screen 805 makes directional jumping motion along with the box body 1, in the process, the concrete smaller than the aperture of the filter screen 805 falls on the lower filter screen 805, the concrete with different particle sizes is obtained after each layer of screening, the screening efficiency is improved, and the sieve plate structure 8 is fixedly connected in the screening layer through the matching between the sliding blocks 804 and the sliding grooves 1601.

The working principle is as follows:

when the concrete screening machine is used, an external pipeline is connected with the feeding pipe 2, concrete to be screened enters the cavity 15 from the feeding hole 3, the motor 11 is started, the motor 11 drives the rotating shaft 12 to rotate to drive the eccentric wheel 13 to rotate, the box body 1 is driven to make approximate circular motion through the matching between the eccentric wheel 13 and the limiting groove 1401, the box body 1 drives the filter screen 805 in each screening layer to make periodic motion, the concrete on the filter screen 805 makes directional jumping motion along with the box body 1, in the process, the concrete smaller than the aperture of the filter screen 805 falls onto the lower filter screen 805, the concrete with different particle sizes is obtained after screening of each layer, and the screening efficiency is improved.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims (6)

1. The utility model provides a screening plant for recycled concrete preparation, includes box (1), its characterized in that: the top fixedly connected with inlet pipe (2) of box (1), feed inlet (3) have been link up to the top of inlet pipe (2) and have been seted up, first screening layer (4) have been seted up to one section surface top of box (1), second screening layer (5) have been seted up to the below of first screening layer (4), third screening layer (6) have been seted up to the below of second screening layer (5), fourth screening layer (7) have been seted up to the below of third screening layer (6), all be provided with sieve structure (8) in first screening layer (4), second screening layer (5), third screening layer (6) and fourth screening layer (7).

2. A screening device for recycled concrete preparation according to claim 1, characterized in that: the sieve plate structure (8) mainly comprises a sealing plate (801), a handle (802) is fixedly connected to the surface of the outer side of the sealing plate (801), a sliding frame (803) is fixedly connected to the inner side wall of the sealing plate (801), sliding blocks (804) are arranged on two sides of the sliding frame (803), and a filter screen (805) is arranged in the sliding frame (803).

3. A screening device for recycled concrete preparation according to claim 1, characterized in that: the box is characterized in that supporting springs (9) are fixedly connected to four corners of the bottom of the box body (1), the other ends of the supporting springs (9) are fixedly connected with a support (10), and a motor (11) is fixedly connected to the bottom of the support (10).

4. A screening device for recycled concrete preparation according to claim 3, characterized in that: the top output of motor (11) rotates and is connected with axis of rotation (12), axis of rotation (12) upwards extend and run through support (10) setting, the top of axis of rotation (12) is rotated and is connected with eccentric wheel (13).

5. A screening device for recycled concrete preparation according to claim 4, characterized in that: the middle part of the bottom of the box body (1) is fixedly connected with a limiting block (14), a limiting groove (1401) is formed in the limiting block (14), the limiting block (14) and the limiting groove (1401) are both circular in shape, and the inner wall of the limiting groove (1401) and the eccentric wheel (13) are in tangent fit arrangement.

6. A screening device for recycled concrete preparation according to claim 1, characterized in that: the improved screen mesh box is characterized in that a cavity (15) is formed in the box body (1), the through arrangement is formed between the cavity (15) and the feed inlet (3), guide rails (16) are fixedly connected to the inner walls of the two sides of the cavity (15), each group is formed by the corresponding arrangement of the positions of the guide rails (16) and the positions of each group of screening layers, a sliding groove (1601) is formed in the inner side wall of each guide rail (16), and the sliding groove (1601) and the sliding block (804) are connected in a sliding mode.

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