CN115283066A - A sand and gravel crushing device with a screening mechanism - Google Patents

Abstract

The invention relates to the technical field of ore production, in particular to a gravel crushing device with a screening mechanism. According to the invention, the first crushing mechanism and the second crushing mechanism are arranged to realize multi-stage crushing processing of the gravel, the crushing processing quality is improved, the screen plate and the vibrating motor are arranged to screen the gravel, the uniformity of gravel particles is improved, the feeding mechanism is arranged to guide unqualified materials into the feeding hopper again for repeated processing, the automation degree is higher, the efficiency is improved, the dust removal mechanism is arranged to achieve the dust removal effect, and water resources are saved.

Description

A gravel crushing device with a screening mechanism

technical field

The invention relates to the technical field of ore production, in particular to a sandstone crushing device with a screening mechanism.

Background technique

Sandstone refers to a loose mixture of sand grains and crushed stones. In geology, mineral or rock particles with a particle size of 0.074-2mm are called sand, and those with a particle size larger than 2mm are called gravel or breccia (the difference between the two is that they are ground The degree of circle is different, see the entry conglomerate, sandstone for details), mineral resources are the material basis for the survival and development of contemporary human beings, even in today's rapid development of information technology, mineral resources still play an irreplaceable role in human daily life , In mining production, it is often necessary to further process and utilize the ore, especially the crushing and screening of the ore.

In the Chinese patent of an ore crushing and screening machine with dust removal function (patent number: CN109395867A), the invention cleverly integrates ore crushing and screening to improve production efficiency. In addition, the structure design is reasonable, and the atomization dust removal system is used Effectively reduces the dust content inside the equipment, however, only one crushing mechanism is set for the ore in this device, the crushing processing efficiency is low, and the crushing effect is poor. Qualified sand and gravel need to be taken out and backfilled for repeated crushing, which is cumbersome, wastes manpower, and affects processing efficiency. Therefore, those skilled in the art provide a sand and gravel crushing device with a screening mechanism to solve the problems raised in the background art above.

Contents of the invention

The object of the present invention is to provide a sand and gravel crushing device with a screening mechanism to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the present invention provides the following technical proposal: a gravel crushing device with a screening mechanism, comprising a first crushing box, the upper side of the first crushing box is connected with a feed hopper, and the first crushing The box is provided with a first crushing mechanism, the lower side of the first crushing box is connected with a second crushing box, and the second crushing box is provided with a second crushing mechanism, and the lower side of the second crushing box is connected with a second crushing box. There is a screening box, and the two sides of the bottom of the screening box are fixedly connected with two vertically symmetrical concave frames, and the screening box is fixedly connected with an inclined screen plate, and the bottom of the screening box is connected There is a discharge port, the front side of the screening box is fixedly connected with a vibration motor, and the side of the screening box located at the lower end of the screen plate is connected with a feed pipe, and the feed pipe is far away from the screening box One end of the feeding cylinder is connected with a vertically arranged feeding cylinder, and a feeding mechanism is arranged in the feeding cylinder, and a return pipe is connected to the upper part of one side of the feeding cylinder, and the feeding pipe is far away from one end of the feeding cylinder It is connected with the feeding hopper, and one side of the screening box is connected with a dust removal mechanism, and one end of the dust removal mechanism is fixedly connected with the concave frame;

The first crushing mechanism and the second crushing mechanism have the same structure, the first crushing mechanism includes a driving motor fixed on one side of the first crushing box, the main shaft end of the driving motor extends into the first crushing box and The first rotating rod is fixedly connected with the first crushing roller, and the end of the first rotating rod away from the drive motor extends to the outside of the first crushing box and is fixedly connected with the first gear, The inner wall of the side of the first crushing box close to the drive motor is rotatably connected to a second rotating rod parallel to the first rotating rod through a bearing, and a second crushing roller is fixedly connected to the second rotating rod. The end of the rotating rod away from the rotating member penetrates and extends to the outside of the first crushing box and is fixedly connected with the second gear, and the first gear is engaged with the second gear.

As a further solution of the present invention: the feeding mechanism includes a servo motor fixed on the upper end of the feeding cylinder, the main shaft end of the servo motor extends through the feeding cylinder and is fixedly connected with a vertically arranged spiral feeding rod, so The inner wall of the lower end of the above material barrel is rotatably connected with the lower end of the screw feeding rod through the bearing seat.

As a further solution of the present invention: the dust removal mechanism includes a negative pressure box fixed on one side of the screening box and a dust collection net box fixed on the concave frame, and the upper side of the negative pressure box is connected with a dust collector. pipe, and one end of the dust suction pipe is connected to one side of the screening box located above the screen plate, a negative pressure fan is provided in the negative pressure box, and a dust guide pipe is connected to the lower side of the negative pressure box , the lower end of the dust guide pipe is communicated with the dust collecting net box.

As a further solution of the present invention: the inner wall of the communication port between the screening box and the dust suction pipe is fixedly connected with an arc-shaped screen.

As a further solution of the present invention: both sides of the first crushing box and the second crushing box are fixedly connected with a protective cover, and the first gear and the second gear are both located in the protective cover.

As a further solution of the present invention: the inner walls of both sides of the first crushing box and the second crushing box are fixedly connected with two inclined and symmetrically arranged material guide plates, and the two material guide plates are respectively located between the first crushing roller and the first crushing roller. above the second crushing roller.

As a further solution of the present invention: the distance between the first crushing roller and the second crushing roller in the first crushing box is greater than the distance between the first crushing roller and the second crushing roller in the second crushing box.

As a further solution of the present invention: the bottom sections of the first crushing box, the second crushing box and the screening box are all arranged in a V shape.

As a further solution of the present invention: a control switch is fixedly connected to the front side of the feeding cylinder, and the input ends of the first crushing mechanism, the second crushing mechanism, the feeding mechanism, the dust removal mechanism and the vibration motor are respectively connected to the control switch electric sexual connection.

Compared with prior art, the beneficial effect of the present invention is:

1. By setting the first crushing mechanism and the second crushing mechanism, the sand and gravel raw materials are put into the first crushing box from the hopper, and the drive motor is started to work, driving the first rotating rod to rotate, and then driving the first crushing roller to rotate At the same time, it drives the first gear to rotate, because the first gear meshes with the second gear, and then drives the second rotating rod to rotate, thereby driving the first crushing roller and the second crushing roller to rotate synchronously, and then realize the preliminary crushing of sand and gravel. Then the crushed stones fall into the second crushing box, and similarly, the crushing process is carried out again, thereby improving the quality of the crushing process.

2. By setting the sieve plate and the vibrating motor, the crushed sand and gravel particles fall onto the sieve plate in the screening box, and the sand with uniform and small particles passes through the sieve plate and is discharged from the discharge port to be processed. The sand and gravel are screened, and the vibrating motor improves the screening efficiency and the uniformity of the sand and gravel particles.

3. By setting up the feeding mechanism, the large-grained sand and gravel are intercepted by the screen plate, introduced into the feeding barrel by the material guide pipe, and the servo motor is started to work, and then the screw feeding rod is driven to rotate, and the material in the feeding barrel can be forced The conveying moves up, and it is re-introduced into the feeding hopper by the return pipe, and the processing is repeated, which has a higher degree of automation, reduces manual steps, saves more manpower, and improves processing efficiency.

4. By setting the dust removal mechanism, start the negative pressure fan in the negative pressure box to generate wind negative pressure, and the dust in the screening box will be collected and stored by the dust suction pipe and the dust guide pipe into the dust collection net box to achieve dust removal. Function, the effect is better, save water resources.

Description of drawings

Fig. 1 is a kind of three-dimensional structure schematic diagram of the gravel pulverizing device with screening mechanism;

Fig. 2 is a top view sectional structure schematic diagram of the first crushing box in a sandstone crushing device with a screening mechanism;

Fig. 3 is a right view cross-sectional structure schematic diagram of the first crushing box and the second crushing box in a sandstone crushing device with a screening mechanism;

Fig. 4 is a schematic diagram of a cross-sectional front view of a screening box in a gravel crushing device with a screening mechanism;

Fig. 5 is a schematic cross-sectional view of the upper barrel in a gravel crushing device with a screening mechanism.

In the figure: 1. The first crushing box; 2. The hopper; 3. The second crushing box; 4. The screening box; 5. The concave frame; 6. The screen plate; 7. The discharge port; 8. Vibration Motor; 9. Material guide pipe; 10. Feeding barrel; 11. Return pipe; 12. Driving motor; 13. First rotating rod; 14. First crushing roller; 15. First gear; 16. Second turning Rod; 17, second crushing roller; 18, second gear; 19, servo motor; 20, screw feeding rod; 21, negative pressure box; 22, dust collection net box; 23, dust suction pipe; 24, negative pressure Fan; 25, dust guide pipe; 26, arc block; 27, protective cover; 28, material guide plate; 29, control switch.

Detailed ways

Please refer to Fig. 1-5, in the embodiment of the present invention, a kind of gravel crushing device with sieving mechanism, comprises the first crushing box 1, the upper side of the first crushing box 1 is connected with feed hopper 2, adds sand stone entrance, and the first crushing box 1 is provided with the first crushing mechanism, the lower side of the first crushing box 1 is connected with the second crushing box 3, and the second crushing box 3 is provided with the second crushing mechanism, the second The lower side of the crushing box 3 is connected with a screening box 4, and the two sides of the bottom of the screening box 4 are fixedly connected with two vertically symmetrical concave frames 5, and the support is stable. The screening box 4 is fixedly connected with an inclined The screen plate 6 is set, and the bottom of the screening box 4 is connected with a discharge port 7, and the front side of the screening box 4 is fixedly connected with a vibrating motor 8, and the crushed sand and gravel particles fall to the bottom of the screening box 4. On the sieve plate 6, the sand and gravel with uniform and small particles pass through the sieve plate 6 and are discharged from the discharge port 7 to obtain the processed sand and gravel, and the sand and gravel are screened. Uniformity, one side of the screening box 4 at the lower end of the screen plate 6 is connected with a feed pipe 9, and the end of the feed pipe 9 away from the screening box 4 is connected with a vertically arranged upper feeding cylinder 10, A feeding mechanism is provided in the feeding cylinder 10, and a return pipe 11 is connected to the upper part of one side of the feeding cylinder 10, and the end of the feeding pipe 11 away from the feeding cylinder 10 is connected to the feed hopper 2, and the screening box One side of 4 is connected with a dust removal mechanism, and one end of the dust removal mechanism is fixedly connected with the concave frame 5;

The first crushing mechanism and the second crushing mechanism have the same structure. The first crushing mechanism includes a driving motor 12 fixed on one side of the first crushing box 1, and the main shaft end of the driving motor 12 extends into the first crushing box 1 and is fixedly connected. There is a first rotating rod 13, the first rotating rod 13 is fixedly connected with the first crushing roller 14, and the end of the first rotating rod 13 away from the drive motor 12 extends to the outside of the first crushing box 1 and is fixedly connected with the first crushing roller 14. The gear 15, the inner wall of the first crushing box 1 close to the drive motor 12 is rotatably connected with the second rotating rod 16 parallel to the first rotating rod 13 through the bearing, and the second rotating rod 16 is fixedly connected with the second crushing rod 16. The roller 17, the end of the second rotating rod 16 away from the rotating part extends to the outside of the first crushing box 1 and is fixedly connected with the second gear 18, and the first gear 15 is meshed with the second gear 18, and the gravel raw material is Feed hopper 2, put it into the first crushing box 1, start the drive motor 12 to work, drive the first rotating rod 13 to rotate, and then drive the first crushing roller 14 to rotate, and at the same time drive the first gear 15 to rotate, because the first gear 15 Mesh with the second gear 18, and then drive the second rotating rod 16 to rotate, thereby driving the first crushing roller 14 and the second crushing roller 17 to rotate synchronously, and then realize the preliminary crushing of sand and gravel, and then the crushed stone falls to the second crushing stage. In box 3, similarly, crushing is performed again, thereby improving the quality of crushing.

As shown in Figure 5: the feeding mechanism includes a servo motor 19 fixed on the upper end of the feeding cylinder 10, the main shaft end of the servo motor 19 extends through and extends into the feeding cylinder 10 and is fixedly connected with a vertically arranged spiral feeding rod 20. The inner wall of the lower end of the barrel 10 is rotatably connected to the lower end of the screw feeding rod 20 through the bearing seat, and the sand and gravel with larger particles are intercepted by the screen plate 6 and introduced into the upper barrel 10 by the material guide pipe 9, and the servo motor 19 is started to work , and then drive the spiral feeding rod 20 to rotate, the material in the feeding cylinder 10 can be forced to move up, and then re-introduced into the feeding hopper 2 by the return pipe 11, and the processing is repeated, the degree of automation is higher, the manual steps are reduced, and the process is more efficient. Save manpower and improve processing efficiency;

As shown in Figure 1 and Figure 4: the dust removal mechanism includes a negative pressure box 21 fixed on one side of the screening box 4 and a dust collection net box 22 fixed on the concave frame 5, and the upper side of the negative pressure box 21 is communicated with a Dust suction pipe 23, and one end of the dust suction pipe 23 communicates with one side of the screening box 4 located at the top of the screen plate 6, and a negative pressure fan 24 is provided in the negative pressure box 21, and the lower side of the negative pressure box 21 communicates A dust guide pipe 25 is provided, and the lower end of the dust guide pipe 25 is communicated with the dust collection net box 22, and the negative pressure fan 24 in the negative pressure box 21 is started to work to generate wind negative pressure, and the dust in the screening box 4 is sucked The dust pipe 23 is guided into the dust collection net box 22 by the dust guide pipe 25 for collection and storage, so as to achieve the effect of dust removal, the effect is better, and water resources are saved;

As shown in Figure 4: the inner wall of the communication port between the screening box 4 and the dust suction pipe 23 is fixedly connected with an arc-shaped block 26 to prevent sand and gravel from being sucked into the dust suction pipe 23;

As shown in Figure 1 and Figure 2: one side of the first crushing box 1 and the second crushing box 3 is fixedly connected with a protective cover 27, and the first gear 15 and the second gear 18 are all located in the protective cover 27 to protect effect;

As shown in Figure 3: the inner walls on both sides of the first crushing box 1 and the second crushing box 3 are fixedly connected with two inclined and symmetrically arranged material guide plates 28, and the two material guide plates 28 are respectively located on the first crushing roller 14 And above the second crushing roller 17, it is convenient to introduce sand and gravel between the first crushing roller 14 and the second crushing roller 17;

As shown in Figure 3: the spacing between the first crushing roller 14 and the second crushing roller 17 in the first crushing box 1 is greater than the spacing between the first crushing roller 14 and the second crushing roller 17 in the second crushing box 3, so that the crushing Higher processing quality;

As shown in Figure 1 and Figure 3: the bottom sections of the first crushing box 1, the second crushing box 3 and the screening box 4 are set in a V shape, which is convenient for centralized blanking;

As shown in Figure 1: the front side of the feeding cylinder 10 is fixedly connected with a control switch 29, and the input ends of the first pulverizing mechanism, the second pulverizing mechanism, the feeding mechanism, the dust removal mechanism and the vibration motor 8 are electrically connected to the control switch 29 respectively. Sexual connection, external power supply, and intelligent control are existing technologies.

The working principle of the present invention is: when the device is used for crushing and screening processing of sand and gravel, the sand and gravel raw material is put into the first crushing box 1 from the feeding hopper 2, and the drive motor 12 is started to work, driving the first The rotating rod 13 rotates, and then drives the first crushing roller 14 to rotate, and at the same time drives the first gear 15 to rotate, because the first gear 15 meshes with the second gear 18, and then drives the second rotating rod 16 to rotate, thereby driving the first crushing roller 14 Mesh and rotate synchronously with the second crushing roller 17, and then realize the preliminary crushing of the sand and gravel, and then the crushed stone falls into the second crushing box 3, and similarly, the crushing process is carried out again, thereby improving the quality of the crushing process;

The crushed sand and gravel particles fall on the screen plate 6 in the screening box 4, and the sand with uniform and small particles passes through the screen plate 6 and is discharged from the discharge port 7 to obtain processed sand and gravel. Screening is carried out, the vibrating motor 8 improves the screening efficiency, improves the uniformity of sand and gravel particles, and the sand with larger particles is intercepted by the screen plate 6, and is introduced into the upper barrel 10 by the material guide pipe 9, and the servo motor 19 is started to work, thereby driving The spiral feeding rod 20 rotates, the material in the feeding cylinder 10 can be forced to move up, and then re-introduced into the feeding hopper 2 by the return pipe 11, and the processing is repeated, the degree of automation is higher, the manual steps are reduced, and the manpower is saved. Improve processing efficiency, secondly, during processing, start the negative pressure fan 24 in the negative pressure box 21 to work, generate wind force negative pressure, and the dust in the screening box 4 will be introduced into the dust collection net box by the dust guide pipe 25 through the dust suction pipe 23 22 for collection and storage to achieve dust removal effect, better effect and save water resources.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technology of the present invention Any equivalent replacement or change of the scheme and its inventive concepts shall fall within the protection scope of the present invention.

Claims (9)

1. A sand and stone crushing device with a screening mechanism comprises a first crushing box (1) and is characterized in that a feed hopper (2) is communicated with the upper side of the first crushing box (1), the first crushing box (1) is internally provided with the first crushing mechanism, the lower side of the first crushing box (1) is communicated with a second crushing box (3), the second crushing box (3) is internally provided with a second crushing mechanism, the lower side of the second crushing box (3) is communicated with a screening box (4), two vertically and symmetrically arranged concave frames (5) are fixedly connected with the two sides of the bottom of the screening box (4), a screen plate (6) is fixedly connected with the screening box (4) in an inclined manner, the bottom of the screening box (4) is communicated with a discharge port (7), a vibrating motor (8) is fixedly connected with the front side of the screening box (4), a material guide pipe (9) is communicated with one side of the screening box (4) at the lower end of the screen plate (6), a material return pipe (10) is arranged at one end, which is far away from the screening box (4), a dust removal material pipe (10) is communicated with the feed hopper (10), and a dust removal material pipe (10) is arranged on one side of the feed hopper (10) and is communicated with the feed hopper (10), one end of the dust removing mechanism is fixedly connected with the concave frame (5);

first rubbing crusher constructs and second rubbing crusher constructs for the looks isostructure, first rubbing crusher constructs including fixing driving motor (12) in first crushing case (1) one side, the main shaft end of driving motor (12) runs through and extends to in first crushing case (1) and first bull stick (13) of fixedly connected with, first crushing roller (14) of fixedly connected with is gone up in first bull stick (13), and the one end that driving motor (12) were kept away from in first bull stick (13) runs through and extends to the outside of first crushing case (1) and first gear (15) of fixedly connected with, one side inner wall that first crushing case (1) are close to driving motor (12) rotates through the bearing piece and is connected with second bull stick (16) with first bull stick (13) parallel arrangement, and fixedly connected with second crushing roller (17) on second bull stick (16), the one end that the rotation piece was kept away from in second bull stick (16) runs through and extends to the outside of first crushing case (1) and fixedly connected with second gear (18), and first gear (15) are connected with first gear (18) meshing.

2. A sand and stone crushing device with a screening mechanism according to claim 1, characterized in that the feeding mechanism comprises a servo motor (19) fixed on the upper end of the upper charging barrel (10), the main shaft end of the servo motor (19) extends into the upper charging barrel (10) and is fixedly connected with a vertically arranged spiral feeding rod (20), and the inner wall of the lower end of the upper charging barrel (10) is rotatably connected with the lower end of the spiral feeding rod (20) through a bearing seat.

3. The gravel crushing device with the screening mechanism is characterized in that the dust removing mechanism comprises a negative pressure box (21) fixed on one side of the screening box (4) and a dust collecting net box (22) fixed on the concave frame (5), a dust suction pipe (23) is communicated with the upper side of the negative pressure box (21), one end of the dust suction pipe (23) is communicated with one side of the screening box (4) above the screen plate (6), a negative pressure fan (24) is arranged in the negative pressure box (21), a dust guide pipe (25) is communicated with the lower side of the negative pressure box (21), and the lower end of the dust guide pipe (25) is communicated with the dust collecting net box (22).

4. A sand crushing device with a screening mechanism according to claim 3, characterized in that the inner wall of the communication opening of the screening box (4) and the dust suction pipe (23) is fixedly connected with an arc-shaped blocking net (26).

5. A sand crushing device with a screening mechanism according to claim 1, characterised in that a protecting cover (27) is fixedly connected to one side of each of the first crushing box (1) and the second crushing box (3), and the first gear (15) and the second gear (18) are both located in the protecting cover (27).

6. A gravel crushing device with a screening mechanism according to claim 1, characterized in that two obliquely and symmetrically arranged material guiding plates (28) are fixedly connected to the inner walls of the two sides of the first crushing box (1) and the second crushing box (3), and the two material guiding plates (28) are respectively positioned above the first crushing roller (14) and the second crushing roller (17).

7. A sand crushing device with a screening mechanism according to claim 1, characterised in that the distance between said first crushing roller (14) and said second crushing roller (17) in the first crushing box (1) is greater than the distance between said first crushing roller (14) and said second crushing roller (17) in the second crushing box (3).

8. A sand crushing device with a screening mechanism according to claim 1 characterized in that the bottom sections of the first crushing box (1), the second crushing box (3) and the screening box (4) are both V-shaped.

9. A sand and stone crushing device with a screening mechanism according to claim 1, characterized in that the front side of the feeding barrel (10) is fixedly connected with a control switch (29), and the input ends of the first crushing mechanism, the second crushing mechanism, the feeding mechanism, the dust removing mechanism and the vibration motor (8) are respectively and electrically connected with the control switch (29).

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