WO2023216498A1

WO2023216498A1 - Coal vibrating screen having crushing function

Info

Publication number: WO2023216498A1
Application number: PCT/CN2022/122406
Authority: WO
Inventors: 汪平; 晏利华; 孙学平
Original assignee: 马鞍山市中天机械制造安装有限公司
Priority date: 2022-05-10
Filing date: 2022-09-29
Publication date: 2023-11-16
Also published as: CN114887877A

Abstract

Disclosed in the present invention is a coal vibrating screen having a crushing function, comprising four support columns. A top plate is fixed on the top of the four support columns; electric push rods are provided on the rear sides of movable openings, and the electric push rods are each connected to one end of each movable block; the movable blocks are located above the movable openings; electric raising/lowering rods are provided at the bottom of the movable blocks, and the electric raising/lowering rods pass through the movable openings; a sieving mechanism is provided between the lower ends of the electric raising/lowering rods on both sides; a first crushing mechanism is provided at the lower right side of the sieving mechanism; a vibrating screen mechanism is provided at the lower left side of the sieving mechanism; and a second crushing mechanism is provided on the left side of the vibrating screen mechanism. The present invention is multifunctional; coal can be sieved multiple times to implement accurate separation of coarse disintegrating slag and fine disintegrating slag, and different sizes of coarse disintegrating slag after sieving can also be crushed, respectively, such that the coal meets process requirements.

Description

A coal mine vibrating screen with crushing function

Technical field

The invention relates to the technical field of vibrating screens, specifically a coal mine vibrating screen with a crushing function.

Background technique

The vibrating screen is a kind of filtering mechanical separation equipment, which is often used for screening coal mines. However, the vibrating screens in the existing technology generally have a single function and can only perform simple screening processing, and there are still problems with the separated coal mines. The particle size is uneven and the screening accuracy is low, so improvements are necessary.

Contents of the invention

The purpose of the present invention is to provide a coal mine vibrating screen with a crushing function to solve the problems raised in the above background technology.

In order to achieve the above object, the present invention provides the following technical solution: a coal mine vibrating screen with a crushing function, including four support columns, top plates are fixed on the tops of the four support columns, and a feeding port is provided in the middle of the top plate. There is also a strip-shaped movable opening on the top plate on both sides of the feeding port. An electric push rod is provided on the back side of the movable opening. The electric push rod is connected to one end of the movable block. The movable block is located on the movable block. Above the opening, a mounting block is provided on the front side of the movable opening, and a spring is provided on the mounting. The spring is connected to a limiting plate, and the limiting plate corresponds to the other end of the movable block;

The bottom of the movable block is equipped with an electric lifting rod. The electric lifting rod is arranged through the movable opening. A sifting mechanism is provided between the lower ends of the electric lifting rods on both sides. A sifting mechanism is located on the lower right side of the sifting mechanism. There is a first crushing mechanism, a vibrating screen mechanism is located at the lower left of the screening mechanism, and a second crushing mechanism is located on the left side of the vibrating screen mechanism.

Preferably, the sifting mechanism includes a first sifting frame and a second sifting frame. A first feeding port is provided on the top of the first sifting frame, and the first feeding port corresponds to the feeding port. , a large debris outlet is provided on the right side of the first sub-sieve frame, and the bottom of the first sub-sieve frame is a screen plate;

The top of the second sub-sieve frame has an open design, and a small debris outlet is provided on the left side of the second sub-sieve frame;

The top of the second sieve frame is connected to the bottom of the first sieve frame, and both sides of the top of the first sieve frame are connected to corresponding electric lifting rods.

Preferably, the first crushing mechanism includes a housing, a second feed port is provided on the top of the housing, and two first gravel rollers corresponding to each other are provided inside the housing. One end of the roller is connected to the rotating shaft on the first rotating motor, and a second outlet is provided below one side of the housing.

Preferably, the vibrating screen mechanism includes a vibrating box arranged in an inclined shape, a filter screen is provided on the top of the vibrating box, a vibrator is provided on the bottom of the vibrating box, and a precision filter is provided on the lower inclined section of the vibrating box. For the slag outlet, shock-absorbing support columns are provided around the bottom of the vibration box, and the bottoms of the shock-absorbing support columns are fixed on the bottom plate.

Preferably, the second crushing mechanism includes a body, a fine slag collection chamber and a crushing chamber are provided in the body, a third feed port is provided at the upper right end of the crushing chamber, and a third feed port is provided at the third feed port. There is a first lining plate, and a cylindrical second lining plate is provided in the crushing cavity. The second lining plate is designed in an open shape corresponding to the third feed port. There is a screen hole at the bottom, and a second gravel roller is provided inside the second lining plate. One end of the second gravel roller is connected to the rotating shaft on the second rotating motor, and the top of the fine slag collection chamber is inclined. The shape corresponds to the third feed port,

The upper right end of the fine slag collection chamber is provided with a fourth feed port, which corresponds to the fine slag outlet. The upper inclined end of the top of the fine slag collection chamber is located at the same position as the filter screen. on an inclined line;

A fourth discharge port is provided below the right side of the fine residue collection chamber, and a third discharge port is provided below the left side of the crushing chamber.

Compared with the existing technology, the beneficial effects of the present invention are: the present invention has a simple structure, novel design and diverse functions. It can not only screen coal mines multiple times and achieve accurate separation of coarse and fine slag, but also can The screened coarse slag of different sizes is crushed separately, so that the coal mine can meet the process requirements.

The specially designed sifting mechanism of the present invention, after sifting the coal mine, is driven by the electric lifting rods on both sides, one up and one down, to tilt the sifting mechanism in different directions, so that the sifting mechanism located in the second sifting frame can be The small debris is sent to the vibrating screen mechanism for secondary screening, and finally enters the second crushing mechanism. Similarly, the large debris located in the first sub-sieve frame can be sent to the first crushing mechanism. By crushing different sizes of Coal slag is processed separately, which greatly improves the processing accuracy of coal slag.

Description of the drawings

Figure 1 is a schematic diagram of the overall structure of the present invention;

Figure 2 is a schematic diagram of the roof structure of the present invention;

Figure 3 is a schematic diagram of the screening mechanism of the present invention;

Figure 4 is a schematic structural diagram of the second screening frame of the present invention;

Figure 5 is a schematic cross-sectional view of the first crushing mechanism of the present invention;

Figure 6 is a schematic cross-sectional view of the vibrating screen mechanism of the present invention;

Figure 7 is a schematic cross-sectional view of the second crushing mechanism of the present invention;

Figure 8 is a schematic cross-sectional view of the vibrating screen mechanism and the second crushing mechanism of the present invention when they are installed together.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

In the description of the invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the invention and simplifying the description. It does not indicate or imply that the indicated device or element must have a specific orientation or be constructed in a specific orientation. and operations, and therefore cannot be construed as limitations on the invention. In addition, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance.

In the description of the invention, it should be noted that, unless otherwise expressly stipulated and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the invention can be understood on a case-by-case basis.

Please refer to the figure. The present invention provides a technical solution: a coal mine vibrating screen with a crushing function, including four support columns 11. A roof plate 1 is fixed on the top of the four support columns 11. The roof plate 1 is provided in the middle. There is a feeding port 12, and a strip-shaped movable opening 13 is provided on the top plate 1 on both sides of the feeding port 12. An electric push rod 21 is provided on the back side of the movable opening 13, and the electric push rod 21 is connected One end of the movable block 2 can push the movable block to move.

Since the movable block 2 is located above the movable opening 13, and a mounting block 22 is provided on the front side of the movable opening 13, a spring 23 is provided on the mounting block 22, and the spring 23 is connected to the limiting plate 24, so The limit plate 24 corresponds to the other end of the movable block 2. Therefore, when the movable block moves forward under the push of the electric push rod, the spring retracts and squeezes. When the electric push rod does not exert thrust, the spring will return. Bounce, thereby pushing the movable block to move backward, and then realizing the limit movement of the movable block;

Furthermore, since the bottom of the movable block 2 is provided with an electric lifting rod 25, and the electric lifting rod 25 is arranged through the movable opening 13, when the movable block moves, the electric lifting rod moves in the movable opening, and the electric lifting rod 25 on both sides There is a screening mechanism 3 between the lower ends of the electric lifting rods 25. By lifting one of the two electric lifting rods and lowering the other, the screening mechanism 3 can be driven to tilt to the left or right, combined with the movement of the movable block, so that The electric lifting rod moves in a small range, thereby driving the screening mechanism 3 to shake left and right for screening;

The coarse coal ore after sifting will be poured into the first crushing mechanism 4 located at the lower right side of the sifting mechanism 3 for crushing, and the fine coal ore after sifting will be poured into the lower left side of the sifting mechanism 3 The vibrating screen mechanism 5 installed on the side performs fine sifting. After sifting, the second crushing mechanism 6 is provided on the left side of the vibrating screen mechanism 5 for crushing.

In this embodiment, the sieving mechanism 3 includes a first sieving frame 31 and a second sieving frame 32. A first feed port 311 is provided on the top of the first sieving frame 31, and the first The feed port 311 corresponds to the feed port 12, which facilitates the coal mine to enter the screening mechanism. A large slag outlet 312 is provided on the right side of the first screening frame 31 for discharging coarse coal. The bottom of the screening frame 31 is a screen plate 313, which is used to screen fine coal;

Since the top of the second sub-sieve frame 32 has an open design, and the top of the second sub-sieve frame 32 is connected to the bottom of the first sub-sieve frame 31, the screened fine coal will fall into the second sub-sieve frame 32. In the second sub-sieve frame, a small slag outlet 321 is provided on the left side of the second sub-sieve frame 32 for discharging fine coal;

In addition, both sides of the top of the first sieving frame 31 are respectively connected to the corresponding electric lifting rods 25 for rotation, and the electric lifting rods drive the sieving mechanism to tilt to the left or right.

In this embodiment, the first crushing mechanism 4 includes a shell 41, and a second feed port 411 is provided on the top of the shell 41. After the coarse coal enters, it will be crushed by two mutually disposed holes inside the shell 41. The corresponding first gravel roller 42 performs crushing by rolling and rolling against each other. One end of the first gravel roller 42 is connected to the rotating shaft on the first rotary motor 421. The first rotary motor is started to drive it to rotate. The crushed coal will fall into the bottom of the casing. Workers can collect the crushed coal from the second outlet 412 provided below one side of the casing 41. coal mine.

In this embodiment, the vibrating screen mechanism 5 includes a vibrating box 51 arranged in an inclined manner. A filter screen 52 is provided on the top of the vibrating box 51 for filtering and screening. A filter screen 52 is provided on the bottom of the vibrating box 51 . The vibrator 53 is used to vibrate to improve the screening efficiency. The fine coal after secondary screening is on the surface of the filter screen, and the clean coal will fall into the vibrating box, and then the finely crushed slag is set from the downward inclined section of the vibrating box 51 The outlet 511 discharges, and the vibration box 51 is provided with shock-absorbing support columns 54 around the bottom, and the bottoms of the shock-absorbing support columns 54 are fixed on the bottom plate 55 .

In this embodiment, the second crushing mechanism 6 includes a body 61. The body 61 is provided with a fine residue collection chamber 611 and a crushing chamber 612. The fine residue collection chamber 611 is used to collect the fine residue screened by the vibrating screen mechanism. In coal mines, the crushing chamber 612 is used to collect the fine coal screened out by the vibrating screen mechanism for crushing;

By setting a fourth feed port 614 at the upper right end of the fine slag collection chamber 611 and corresponding the fourth feed port 614 to the fine slag outlet 511, the screened clean coal ore can be It is collected into the fine slag collection chamber 611, and then the staff can take out the clean coal mine from the fourth discharge port 615 provided below the right side of the fine slag collection chamber 611;

By setting a third feed port 613 at the upper right end of the crushing chamber 612 and making the top of the fine residue collection chamber 611 inclined to correspond to the third feed port 613, the top of the fine residue collection chamber 611 is The upper inclined end will be on the same inclined line as the filter screen 52, so that the fine coal can slide from the surface of the filter screen into the crushing cavity 612;

A cylindrical second lining plate 63 is provided in the crushing chamber 612, and the second lining plate 63 is designed in an opening shape corresponding to the third feed inlet 613, so that the fine coal ore will be discharged from the third feeding port 613. The feed port enters the second lining plate, and a second gravel roller 64 is installed inside the second lining plate 63 to crush the fine coal. One end of the second gravel roller 64 passes through the The rotating shaft on the second rotating motor 641 is connected to realize automatic rotation. When the second gravel roller rotates and crushes, the crushed clean coal ore will be discharged from the sieve hole 631 provided at the bottom of the second lining plate 63 , at the same time, the first lining plate 62 provided at the third feed port 613 can also prevent the fine coal from flying out when the second gravel roller rotates. Finally, the staff can use the third lining plate 62 provided below the left side of the crushing chamber 612. Coal is collected at outlet 616.

Working principle: First, lower the electric lifting rod on the left side and raise the electric lifting rod on the right side. At this time, the screening mechanism will tilt to the left, and the small slag outlet on the left side of the screening mechanism will be in contact with the vibrating screen mechanism. Corresponding to the upper inclined end, the coal is then added to the feeding port. After falling into the first feeding port, it is concentrated in the first sub-sieve frame. At this time, the electric push rod is started to move the movable block back and forth, so that the electric lifting rod drives the separation The screen mechanism continuously shakes the sieve back and forth, so that the fine coal will fall into the second sieve frame, be discharged from the small slag outlet, and fall onto the filter screen of the vibrating screen mechanism;

At this time, the vibrator is started to shake the vibration box, and then the fine coal in the fine coal mine is separated, falls into the vibration box, and then is discharged from the fine slag outlet and collected into the corresponding fine slag collection chamber;

At this time, the fine coal on the surface of the filter screen will slide into the crushing cavity for crushing;

After the final screening, the coarse coal will remain in the first screening frame. At this time, the electric lifting rod on the right is lowered, and the electric lifting rod on the left is raised. The sifting mechanism will tilt to the left, and the large size after tilting will The slag outlet will correspond to the second feed port of the first crushing mechanism, so that the coarse coal ore is poured into the first crushing mechanism for crushing processing.

It is obvious to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, and that the invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be regarded as illustrative and non-restrictive from any point of view, and the scope of the invention is defined by the appended claims rather than the above description, and it is therefore intended that all claims falling within the claims All changes within the meaning and scope of the equivalent requirements are included in the invention. Any reference signs in the claims shall not be construed as limiting the claim in question.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principles and spirit of the invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims

A coal mine vibrating screen with a crushing function includes four support columns 11. A top plate 1 is fixed on the top of the four support columns 11. A feeding port 12 is provided in the middle of the top plate 1. It is characterized in that: The top plate 1 on both sides of the feeding port 12 is also provided with a strip-shaped movable opening 13. An electric push rod 21 is provided on the rear side of the movable opening 13. The electric push rod 21 is connected to one end of the movable block 2. The movable block 2 is located above the movable opening 13. A mounting block 22 is provided on the front side of the movable opening 13. A spring 23 is provided on the mounting block 22. The spring 23 is connected to a limiting plate 24. The limiting plate 24 corresponds to the other end of the movable block 2;

The bottom of the movable block 2 is provided with an electric lifting rod 25. The electric lifting rod 25 is arranged through the movable opening 13. A screening mechanism 3 is provided between the lower ends of the electric lifting rods 25 on both sides. A first crushing mechanism 4 is disposed on the lower right side of the screening mechanism 3, a vibrating screen mechanism 5 is disposed on the lower left side of the screening mechanism 3, and a second crushing mechanism 6 is disposed on the left side of the vibrating screen mechanism 5.
A coal mine vibrating screen with crushing function according to claim 1, characterized in that: the screening mechanism 3 includes a first screening frame 31 and a second screening frame 32, and the first screening frame 31 A first feed port 311 is provided at the top, and the first feed port 311 corresponds to the feed port 12. A large slag outlet 312 is provided on the right side of the first screening frame 31. The bottom of the screen frame 31 is a screen plate 313;

The top of the second sub-sieve frame 32 has an open design, and a small debris outlet 321 is provided on the left side of the second sub-sieve frame 32;

The top of the second screening frame 32 is connected to the bottom of the first screening frame 31 , and both sides of the top of the first screening frame 31 are connected to corresponding electric lifting rods 25 respectively.
A coal mine vibrating screen with crushing function according to claim 1, characterized in that: the first crushing mechanism 4 includes a housing 41, and a second feed port 411 is provided on the top of the housing 41. There are two first gravel rollers 42 corresponding to each other inside the casing 41. One end of the first gravel roller 42 is connected to the rotating shaft on the first rotating motor 421. There is a lower side of the casing 41. There is a second discharge port 412.
A coal mine vibrating screen with crushing function according to claim 1, characterized in that: the vibrating screen mechanism 5 includes a vibrating box 51 arranged in an inclined shape, and a filter screen 52 is provided on the top of the vibrating box 51. A vibrator 53 is provided at the bottom of the vibration box 51, a fine slag outlet 511 is provided in the downward inclined section of the vibration box 51, and shock-absorbing support columns 54 are provided around the bottom of the vibration box 51. The bottoms of the support columns 54 are fixed on the bottom plate 55 .
A coal mine vibrating screen with crushing function according to claim 1, characterized in that: the second crushing mechanism 6 includes a body 61, and the body 61 is provided with a fine residue collection chamber 611 and a crushing chamber 612, so The upper right end of the crushing chamber 612 is provided with a third feed port 613. The third feed port 613 is provided with a first lining plate 62. The crushing chamber 612 is provided with a cylindrical second lining plate 63. , the second lining plate 63 is designed in an opening shape corresponding to the third feed inlet 613, the bottom of the second lining plate 63 is provided with a screen hole 631, and the second lining plate 63 is provided with a third Two gravel rollers 64. One end of the second gravel roller 64 is connected to the rotating shaft on the second rotating motor 641. The top of the fine residue collection chamber 611 is inclined and corresponds to the third feed port 613.

The upper right end of the fine slag collection chamber 611 is provided with a fourth feed port 614. The fourth feed port 614 corresponds to the fine slag outlet 511. The upper inclined end of the top of the fine slag collection chamber 611 is in line with Filter screen 52 is located on the same inclined line;

A fourth discharge port 615 is provided on the lower right side of the fine residue collection chamber 611 , and a third discharge port 616 is provided on the lower left side of the crushing chamber 612 .