CN218925268U

CN218925268U - Sand and stone separating device for recycling waste concrete

Info

Publication number: CN218925268U
Application number: CN202320108509.2U
Authority: CN
Inventors: 陈伟; 张伟建
Original assignee: Haikou Island Concrete Co ltd
Current assignee: Haikou Island Concrete Co ltd
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-04-28
Anticipated expiration: 2033-02-03

Abstract

The utility model relates to a sand and stone separating device for recycling waste concrete, which comprises a conveying belt, a filter plate, a movable plate, a fixed side plate, a material receiving tank and a filtering and adjusting mechanism, wherein a first filtering hole is formed in the filter plate, a second filtering hole is formed in the movable plate, the filtering and adjusting mechanism comprises a metal plate, an electromagnet and a spring, the crushed waste concrete can be conveyed to the upper part of the movable plate through the conveying belt, small-size sand can pass through the second filtering hole and the first filtering hole and then enter the material receiving tank, large-size stone can be accumulated on the movable plate, sand and stone separation is realized, when the size of the obtained sand and stone is required to be adjusted, the current size conveyed to the electromagnet can be adjusted, the magnetic force of the electromagnet on the metal plate is changed, the movable plate can move along the top surface under the synchronous action of the spring, the size of the sand and stone which can pass through can be changed, and the production cost is reduced.

Description

Sand and stone separating device for recycling waste concrete

Technical Field

The utility model relates to the technical field of concrete processing, in particular to a sand and stone separating device for waste concrete recovery.

Background

A large amount of waste concrete can be produced after the building is disassembled, if the waste concrete is piled up on the air, a large amount of dust can be blown out by wind to pollute the atmosphere, so that the waste concrete needs to be recovered, and sand materials, stones and the like are contained in the waste concrete, and sand stones contained in the waste concrete need to be separated after the waste concrete is recovered, so that the waste concrete can be reused for processing the concrete, the waste of resources is avoided, and meanwhile, the production cost can be saved.

The recycling process of the waste concrete is mainly divided into crushing and screening, the waste concrete is crushed and screened so as to obtain sand and stones, a common screening tool is a filter screen, for example, a concrete sand and stone separating device (hereinafter referred to as D1) disclosed by publication No. CN213161854U comprises a constant-temperature spiral conveying cylinder body and a separating box body, which are horizontally arranged, the constant-temperature spiral conveying cylinder body comprises a spiral shaft arranged at a central shaft position, a spiral blade is arranged on the spiral shaft, a feeding port is arranged at the upper left end of the constant-temperature spiral conveying cylinder body, a discharging port is arranged at the lower right end of the constant-temperature spiral conveying cylinder body, a separating box body feeding port is arranged at the upper end of the separating box body, a filter screen is arranged in the separating box body in the horizontal direction, and the large-size stones are separated from the small-size sand materials and conveyed to different directions for recycling, however, the D1 is only used for simply separating the stones and the sand materials, the obtained materials cannot be selected in the process of being used, when the sand materials with different sizes are required to be obtained, the sand materials with different sizes are required to be replaced, or a piece of production cost is increased due to the fact that a production device is required to be used.

Disclosure of Invention

In view of the above, the utility model provides a waste concrete recovery sand-stone separation device, which can adjust the size of the filtered sand material, does not need to replace filter screens with different specifications, and can reduce the production cost.

The technical scheme of the utility model is realized as follows:

the waste concrete recovery sand and stone separation device comprises a conveying belt, a filter plate, a moving plate, fixed side plates, a material receiving tank and a filtering adjustment mechanism, wherein the fixed side plates are arranged oppositely; the utility model discloses a filter adjusting mechanism, including fixed curb plate, filter adjustment mechanism, fixed curb plate is provided with on the relative lateral wall of, the filter adjustment mechanism includes metal sheet, electro-magnet and spring, the metal sheet sets up at the movable plate lateral wall to stretch into and accomodate the groove, spring coupling metal sheet lateral wall and accomodate the groove lateral wall, the electro-magnet sets up in accomodating the groove to be located metal sheet one side.

Preferably, the conveyor belt conveyor comprises a top plate, wherein the top surface of the fixed side plate is connected with the bottom surface of the top plate, an opening is formed in the side wall of the fixed side plate, the opening is located above the movable plate, and the conveyor belt is located on one side of the opening.

Preferably, the filter plate further comprises a rotating plate, wherein the rotating plate is arranged below the filter plate, and a plurality of material receiving tanks are arranged on the top surface of the rotating plate.

Preferably, the rotary table further comprises an electric rotary table, wherein the electric rotary table is arranged below the rotary plate, and the bottom surface of the rotary plate is connected with the rotary surface of the electric rotary table.

Preferably, the automatic feeding device further comprises a positioning mechanism, wherein the positioning mechanism comprises a transmitting pipe, a receiving pipe and a main control unit, the transmitting pipe is arranged on the bottom surface of the filter plate, the receiving pipe is arranged on the top surface of the side wall of the receiving tank, which is far away from the center of the rotating plate, the transmitting pipe is positioned above the rotating path of the receiving pipe, and the main control unit is arranged on the side wall of the fixed side plate and is electrically connected with the electromagnet, the transmitting pipe and the receiving pipe respectively.

Preferably, the automatic feeding device further comprises a feeding mechanism, the feeding mechanism comprises an electric push rod and a feeding plate, the electric push rod is embedded in the side wall of the fixed side plate, an output shaft of the electric push rod is connected with the side wall of the feeding plate, the feeding plate is located above the moving plate, a through groove is formed in the fixed side plate of the electric push rod, and the through groove is arranged opposite to the feeding plate.

Preferably, the pushing mechanism comprises a blanking inclined plate, and the blanking inclined plate is arranged on one side of the passing groove far away from the pushing plate.

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

(1) the crushed waste concrete is conveyed by the conveying belt, the waste concrete can be conveyed to the upper part of the movable plate, a second filtering hole is formed in the movable plate, sand materials with smaller size in the waste concrete can pass through the second filtering hole and drop into the material receiving tank from the first filtering hole on the filtering plate, and stones with larger size can be left on the movable plate, so that sand and stone separation is realized;

(2) and in order to make the material receiving tank can receive the sand material of equidimension, set up the metal sheet in one side of movable plate, set up the electro-magnet simultaneously and carry out magnetism to the metal sheet and inhale, can realize the regulation of electro-magnet magnetic force size through the current size of adjusting the input for the electro-magnet to can realize the removal of movable plate, make the area of second filtration pore and first filtration pore coincidence change, the space that can supply the sand material to pass through can also change finally, so as to obtain the sand material of equidimension, avoided the change of filter screen, can reduce manufacturing cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only preferred embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a waste concrete recovery sand and stone separation device of the present utility model;

FIG. 2 is a schematic top view of the connection structure of the filter adjustment mechanism and the moving plate of the waste concrete recovery sand and gravel separation device of the present utility model;

FIG. 3 is a schematic view showing the structure of a moving plate and a filter plate of the waste concrete recovery sand-gravel separation device of the present utility model;

in the figure, 1 is a conveyer belt, 2 is a filter plate, 3 is a movable plate, 4 is a fixed side plate, 5 is a material receiving tank, 6 is a first filtering hole, 7 is a second filtering hole, 8 is a storage groove, 9 is a metal plate, 10 is an electromagnet, 11 is a spring, 12 is a top plate, 13 is an opening, 14 is a rotating plate, 15 is an electric turntable, 16 is a transmitting tube, 17 is a receiving tube, 18 is a main control unit, 19 is an electric push rod, 20 is a pushing plate, 21 is a passing groove, and 22 is a blanking sloping plate.

Detailed Description

For a better understanding of the technical content of the present utility model, a specific example is provided below, and the present utility model is further described with reference to the accompanying drawings.

Referring to fig. 1 to 3, the waste concrete recovery sand and gravel separation device provided by the utility model comprises a conveying belt 1, a filter plate 2, a movable plate 3, fixed side plates 4, a receiving tank 5 and a filtering adjustment mechanism, wherein the fixed side plates 4 are oppositely arranged, the movable plate 3 and the filter plate 2 are arranged between the fixed side plates 4 from top to bottom, a first filter hole 6 is arranged on the filter plate 2, a second filter hole 7 is arranged on the movable plate 3, the first filter hole 6 is positioned below the moving path of the second filter hole 7, the conveying belt 1 is positioned above the movable plate 3, and the receiving tank 5 is positioned below the filter plate 2; the filter adjusting mechanism comprises a metal plate 9, an electromagnet 10 and a spring 11, wherein the metal plate 9 is arranged on the side wall of the movable plate 3 and stretches into the accommodating groove 8, the spring 11 is connected with the side wall of the metal plate 9 and the side wall of the accommodating groove 8, and the electromagnet 10 is arranged in the accommodating groove 8 and is located on one side of the metal plate 9.

The utility model relates to a sand and stone separating device for recycling waste concrete, which is used for separating sand and stone from crushed waste concrete, and is divided into a separating part and a receiving part, wherein the receiving part is a receiving tank 5 and is positioned below the separating part, the separating part comprises fixed side plates 4 which are oppositely arranged, a filter plate 2 is fixedly arranged between the fixed side plates 4, a movable plate 3 is arranged above the filter plate 2 and can be slidably arranged, a second filter hole 7 is arranged on the movable plate 3, a first filter hole 6 is arranged on the filter plate 2, the second filter hole 7 is overlapped with the first filter hole 6, a falling channel is formed by the overlapped part, and when the crushed waste concrete is conveyed to the movable plate 3, sand with smaller size passes through the second filter hole 7 and the first filter hole 6 and finally falls into the receiving tank 5, and sand and stone with larger size can be blocked on the top surface of the movable plate 3, so that sand and stone separation is realized.

In actual construction demands, the size of sand materials is different, therefore, the movable plate 3 is arranged to be movable, the metal plate 9 is arranged on one side of the movable plate 3, the metal plate 9 stretches into the accommodating groove 8 of the fixed side plate 4, the electromagnet 10 is arranged on the inner wall of the accommodating groove 8, the electromagnet 10 can magnetically attract the metal plate 9, the metal plate 9 is connected with the accommodating groove 8 through the spring 11, when the sand materials with different sizes are required to be obtained, the current of the electromagnet 10 can be adjusted, the magnetic force of the electromagnet 10 is changed, and the movable plate 3 can move due to the difference of magnetic force and elastic force, so that the overlapping part area of the second filtering holes 7 and the first filtering holes 6 is changed, and the size adjustment of the sand material blanking is realized.

Preferably, the conveyor belt conveyor further comprises a top plate 12, the top surface of the fixed side plate 4 is connected with the bottom surface of the top plate 12, an opening 13 is formed in the side wall of the fixed side plate 4, the opening 13 is located above the moving plate 3, and the conveyor belt 1 is located on one side of the opening 13.

The top plate 12 is provided for mounting the fixed side plate 4, and the conveyor belt 1 can convey the crushed waste concrete to the inside of the fixed side plate 4 through the opening 13 when conveying the waste concrete.

Preferably, the rotary plate 14 is arranged below the filter plate 2, the material receiving tanks 5 are arranged on the top surface of the rotary plate 14, the rotary plate further comprises an electric rotary table 15, the electric rotary table 15 is arranged below the rotary plate 14, and the bottom surface of the rotary plate 14 is connected with the rotary surface of the electric rotary table 15.

The size of the obtained sand can be adjusted by moving the moving plate 3, so the utility model also provides the receiving tank 5 for collecting sand with different sizes, the electric turntable 15 can drive the rotating plate 14 to rotate, the rotating plate 14 is provided with a plurality of receiving tank 5, and the separated sand can be collected by rotating the corresponding receiving tank 5 below the filter plate 2.

Preferably, the device further comprises a positioning mechanism, the positioning mechanism comprises a transmitting tube 16, a receiving tube 17 and a main control unit 18, the transmitting tube 16 is arranged on the bottom surface of the filter plate 2, the receiving tube 17 is arranged on the top surface of the side wall of the receiving tank 5, which is far away from the center of the rotating plate 14, the transmitting tube 16 is positioned above the rotating path of the receiving tube 17, and the main control unit 18 is arranged on the side wall of the fixed side plate 4 and is electrically connected with the electromagnet 10, the transmitting tube 16 and the receiving tube 17 respectively.

When sand materials with different sizes are selected for separation, the main control unit 18 can control the electric turntable 15 to drive the material receiving tank 5 to rotate below the filter plate 2, and when the receiving pipe 17 on the material receiving tank 5 is opposite to the transmitting pipe 16 on the filter plate 2, the driving of the electric turntable 15 can be stopped, and at the moment, the sand materials separated from the filter plate 2 can completely fall into the material receiving tank 5.

And because all can set up receiver tube 17 on the different receiving chest 5, the main control unit 18 can judge the size of the sand material that needs to collect at present according to the receiver tube 17 of send signal, then adjusts the electric current size of delivering to electro-magnet 10, makes movable plate 3 remove to adjust the area size of second filtration pore 7 and first filtration pore 6 overlap part.

The emitting tube 16 and the receiving tube 17 of the utility model are realized by adopting an infrared geminate transistor of LHI778 model, and the main control unit 18 is realized by adopting an STM32 series singlechip.

Preferably, the automatic feeding device further comprises a feeding mechanism, the feeding mechanism comprises an electric push rod 19 and a feeding plate 20, the electric push rod 19 is embedded in the side wall of the fixed side plate 4, an output shaft of the electric push rod is connected with the side wall of the feeding plate 20, the feeding plate 20 is located above the moving plate 3, a through groove 21 is formed in the fixed side plate 4 where the electric push rod 19 is not arranged, the through groove 21 and the feeding plate 20 are oppositely arranged, the feeding mechanism comprises a blanking inclined plate 22, and the blanking inclined plate 22 is arranged on one side, far away from the feeding plate 20, of the through groove 21.

When the sand and stone separation is carried out, sand and stone can drop through the second filter holes 7 and the first filter holes 6, and large-size stone can be piled up on the movable plate 3, the electric push rod 19 can drive the pushing plate 20 to move, so that stone on the movable plate 3 is pushed to the position of the passing groove 21, and the stone finally falls onto the blanking sloping plate 22 after passing through the passing groove 21 and slides along the blanking sloping plate 22 under the action of gravity, thereby realizing the collection of stone.

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 waste concrete recovery sand and stone separation device is characterized by comprising a conveying belt, a filter plate, a moving plate, fixed side plates, a material receiving tank and a filtering adjustment mechanism, wherein the fixed side plates are arranged oppositely; the utility model discloses a filter adjusting mechanism, including fixed curb plate, filter adjustment mechanism, fixed curb plate is provided with on the relative lateral wall of, the filter adjustment mechanism includes metal sheet, electro-magnet and spring, the metal sheet sets up at the movable plate lateral wall to stretch into and accomodate the groove, spring coupling metal sheet lateral wall and accomodate the groove lateral wall, the electro-magnet sets up in accomodating the groove to be located metal sheet one side.

2. The sand and gravel separating device for recycling waste concrete according to claim 1, further comprising a top plate, wherein the top surface of the fixed side plate is connected with the bottom surface of the top plate, an opening is formed in the side wall of the fixed side plate, the opening is located above the movable plate, and the conveying belt is located on one side of the opening.

3. The sand and gravel separating device for recycling waste concrete according to claim 1, further comprising a rotating plate, wherein the rotating plate is arranged below the filter plate, and a plurality of receiving tank boxes are arranged on the top surface of the rotating plate.

4. The waste concrete recovery sand and gravel separating device according to claim 3, further comprising an electric turntable, wherein the electric turntable is disposed below the rotating plate, and a bottom surface of the rotating plate is connected to a rotating surface of the electric turntable.

5. The sand and stone separating device for recycling waste concrete according to claim 3, further comprising a positioning mechanism, wherein the positioning mechanism comprises a transmitting tube, a receiving tube and a main control unit, the transmitting tube is arranged on the bottom surface of the filter plate, the receiving tube is arranged on the top surface of the side wall of the receiving tank far away from the center of the rotating plate, the transmitting tube is positioned above the rotating path of the receiving tube, and the main control unit is arranged on the side wall of the fixed side plate and is electrically connected with the electromagnet, the transmitting tube and the receiving tube respectively.

6. The sand and stone separating device for recycling waste concrete according to claim 1, further comprising a pushing mechanism, wherein the pushing mechanism comprises an electric push rod and a pushing plate, the electric push rod is embedded in the side wall of the fixed side plate, an output shaft of the electric push rod is connected with the side wall of the pushing plate, the pushing plate is located above the moving plate, a passing groove is formed in the fixed side plate, where the electric push rod is not arranged, and the passing groove is arranged opposite to the pushing plate.

7. The sand and gravel separating apparatus for recycling waste concrete according to claim 6, wherein the pushing mechanism comprises a blanking sloping plate, and the blanking sloping plate is arranged on one side of the passing groove away from the pushing plate.