CN215197101U

CN215197101U - Coal mining reducing mechanism with screening function

Info

Publication number: CN215197101U
Application number: CN202121721763.7U
Authority: CN
Inventors: 曹世利; 温明宝; 宋方贵
Original assignee: Zhengzhou Yixin Industrial Co ltd
Current assignee: Zhengzhou Yixin Industrial Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-12-17
Anticipated expiration: 2031-07-28

Abstract

The utility model relates to the technical field of coal mine collection, in particular to a crushing device with a screening function for coal mining, which comprises a crushing box, wherein the crushing box is internally provided with a crushing mechanism, the crushing mechanism comprises inclined plates, springs, a rotating shaft, an eccentric cam and a motor, two groups of inclined plates are rotatably connected in the crushing box, the spring is fixedly arranged at the top end between the two groups of inclined plates, the crushing box is positioned between the two groups of inclined plates and is rotatably connected with the rotating shaft, the outer side of the rotating shaft is fixedly provided with the eccentric cam, the crushing box is provided with the motor, the material is guided between the crushing box and the inclined plates by a material distributing plate, the motor drives the eccentric cam to rotate by the rotating shaft, the eccentric cam is attached to the two groups of inclined plates in the rotating process, the two groups of inclined plates are pushed to rotate, the material between the inclined plates and the inner wall of the crushing box is crushed, and the two groups of inclined plates are always in an inclined state by the spring, thereby carry out the weight breakage through two sets of swash plates to the material, improve crushing effect, promote crushing efficiency.

Description

Coal mining reducing mechanism with screening function

Technical Field

The utility model relates to a technical field is gathered in the colliery, concretely relates to coal mining is with reducing mechanism with screening function.

Background

The coal mine is a place rich in coal resources, and is generally divided into a mineworker coal mine and an open pit coal mine, and when a coal bed is far away from the ground surface, a tunnel is dug to the underground, so that the mineworker coal mine is obtained. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. Coal is the most important solid fuel, is one of combustible organic rocks, and can be divided into four types, namely peat, lignite, bituminous coal and anthracite, according to the coal gasification degree, and coal mines need to be crushed by a crushing device after being mined.

The crushing device for coal mining in the existing coal mine is used for crushing more materials at one time, the crushing effect is poor, the crushing efficiency is low, and the existing crushing device cannot be used for screening crushed coal blocks, so that the crushed coal blocks are easy to be doped with larger particles.

SUMMERY OF THE UTILITY MODEL

To the problem that exists, the utility model provides a colliery is reducing mechanism for coal mining with screening function, two sets of swash plates carry out the weight breakage to the material, improve crushing effect, promote crushing efficiency, and the basket is sieved the material after the breakage, avoids adulterating great granule in the material.

In order to achieve the above object, the present invention adopts the following technical solutions:

a crushing device with a screening function for coal mining comprises a crushing box, wherein a crushing mechanism is arranged in the crushing box and comprises an inclined plate, a spring, a rotating shaft, an eccentric cam and a motor;

the crushing box is rotatably connected with two groups of inclined plates, a spring is fixedly arranged at the top end between the two groups of inclined plates, the crushing box is positioned between the two groups of inclined plates and rotatably connected with a rotating shaft, an eccentric cam is fixedly arranged on the outer side of the rotating shaft, a motor is installed in the crushing box, and the output end of the motor is connected with the rotating shaft.

Preferably, the top of the crushing box is provided with a feeding port, a material distributing plate is fixedly arranged above the two groups of inclined plates in the crushing box, and one side, far away from the two groups of inclined plates, of the crushing box is provided with crushing teeth.

Preferably, a screening mechanism is further arranged in the crushing box, and the screening mechanism comprises a screen basket, a columnar cam, a fixed column and a transverse groove;

the outside of broken case is rotated and is connected with the column cam, and the inside of broken case is located swash plate below sliding connection and has the basket, and one side of basket is fixed be provided with column cam matched with fixed column, broken case open have with fixed column matched with cross slot.

Preferably, the rotating shaft and one section of the cylindrical cam are both fixedly connected with a synchronizing wheel, and a synchronous belt is sleeved outside the synchronizing wheel.

Preferably, a guide plate is fixedly arranged between the inclined plate and the screen basket, and a discharge hole matched with the screen basket is formed in the bottom of the crushing box.

Preferably, the crushing box inner wall is fixedly provided with a sliding block, sliding grooves matched with the sliding block are formed in two sides of the screen basket, and the screen basket is connected with the crushing box in a sliding mode through the sliding block.

Due to the adoption of the technical scheme, the beneficial effects of the utility model are that: the utility model guides the material to between the crushing box and the inclined plate through the material separating plate, the motor drives the eccentric cam to rotate through the rotating shaft, in the rotating process, the eccentric cam is jointed with the two groups of inclined plates to push the two groups of inclined plates to rotate, so that the inclined plates extrude the material between the inner walls of the crushing box to crush the material, and the two groups of inclined plates are always in an inclined state through the spring, thereby the material is subjected to component crushing through the two groups of inclined plates, the crushing effect is improved, and the crushing efficiency is improved, the utility model discloses a crushed material enters the screen basket, the synchronizing wheel is matched with the synchronizing belt, when the motor drives the eccentric cam to rotate, the columnar cam is synchronously driven to rotate, as the screen basket is provided with the fixed column matched with the columnar cam, the columnar cam rotates to lead the screen basket to slide in a reciprocating way, the reciprocating slide of the screen basket divides the material into screens, large-particle materials are left in the screen basket, thereby screening the crushed materials through the screen basket, avoid the doping of larger particles in the material.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only for the purpose of the present invention, protecting some embodiments, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic structural view of the synchronizing wheel of the present invention;

FIG. 3 is an enlarged view of the point A of FIG. 1 according to the present invention;

fig. 4 is an external view of the present invention.

In the figure: 1. a crushing box; 2. a sloping plate; 3. a spring; 4. a rotating shaft; 5. an eccentric cam; 6. a motor; 7. a feeding port; 8. a material distributing plate; 9. a screen basket; 10. a cylindrical cam; 11. fixing a column; 12. a transverse groove; 13. a synchronizing wheel; 14. a synchronous belt; 15. a guide plate; 16. a slider; 17. a chute; 18. and (4) a discharge port.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined with the following description to clearly and completely describe the technical solution in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example 1

A coal mining crushing device with a screening function comprises a crushing box 1, wherein a crushing mechanism is arranged inside the crushing box 1, and the crushing mechanism comprises an inclined plate 2, a spring 3, a rotating shaft 4, an eccentric cam 5 and a motor 6;

the rotary connection has two sets of swash plates 2 in broken case 1, and the fixed spring 3 that is provided with in top between two sets of swash plates 2, and broken case 1 is located and rotates between two sets of swash plates 2 and be connected with pivot 4, and the fixed eccentric cam 5 that is provided with in the outside of pivot 4, and motor 6 is installed to broken case 1, and motor 6's output is connected with pivot 4.

A feeding port 7 is formed in the top of the crushing box 1, a material distributing plate 8 is fixedly arranged above the two groups of inclined plates 2 in the crushing box 1, and crushing teeth are arranged on one side, away from each other, of the two groups of inclined plates 2.

The using method comprises the following steps: pour the material into broken case 1 through pan feeding mouth 7, divide flitch 8 to lead the material to between broken case 1 and two sets of swash plate 2, starter motor 6, motor 6 drives eccentric cam 5 through pivot 4 and rotates, at the rotation in-process, eccentric cam 5 and two sets of swash plate 2 laminating, promote two sets of swash plate 2 and rotate, make the material between 2 extrudees of swash plate and 1 inner walls of broken case, smash the material, and spring 3 makes two sets of swash plates 2 be the tilt state all the time, thereby carry out the weight breakage to the material through two sets of swash plates 2, improve crushing effect, promote crushing efficiency, and broken tooth makes the crushing effect of swash plate 2 better.

Example 2

On the basis of the example 1, the method comprises the following steps of,

the crushing box 1 is also provided with a screening mechanism, and the screening mechanism comprises a screen basket 9, a columnar cam 10, a fixed column 11 and a transverse groove 12;

the outside of broken case 1 is rotated and is connected with column cam 10, and the inside of broken case 1 is located swash plate 2 below sliding connection and has basket 9, and fixed column 11 with column cam 10 matched with is provided with to one side of basket 9, and broken case 1 is opened has horizontal groove 12 with fixed column 11 matched with.

A synchronous wheel 13 is fixedly connected to the rotating shaft 4 and a section of the cylindrical cam 10, and a synchronous belt 14 is sleeved outside the synchronous wheel 13.

A guide plate 15 is fixedly arranged between the inclined plate 2 and the screen basket 9, and a discharge hole 18 matched with the screen basket 9 is formed in the bottom of the crushing box 1.

The inner wall of the crushing box 1 is fixedly provided with a sliding block 16, sliding grooves 17 matched with the sliding block 16 are formed in two sides of the screen basket 9, and the screen basket 9 is connected with the crushing box 1 in a sliding mode through the sliding block 16.

The using method further comprises the following steps: through the direction of deflector 15, during material entering basket 9 after the breakage, synchronizing wheel 13 and hold-in range 14 cooperation, when making motor 6 drive eccentric cam 5 rotate, synchronous drive column cam 10 rotates, because basket 9 is provided with the fixed column 11 with column cam 10 matched with, column cam 10 rotates and makes basket 9 reciprocating sliding, basket 9's reciprocating sliding divides the sieve to the material, the material of big granule is stayed in basket 9, the material of sieving out falls out from discharge gate 18, thereby sieve the material after the breakage through basket 9, avoid adulterating great granule in the material, and eccentric cam 5 and column cam 10 are driven by same motor 6, make breakage and screening synchronization coordination, reduce the cost.

In the description herein, references to the description of the terms "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a reducing mechanism is used in coal mine mining with screening function, includes broken case (1), its characterized in that: a crushing mechanism is arranged in the crushing box (1) and comprises an inclined plate (2), a spring (3), a rotating shaft (4), an eccentric cam (5) and a motor (6);

the utility model discloses a crushing box, including broken case (1), pivot (4), motor (6), and the output of motor (6) is connected with pivot (4), the fixed spring (3) that is provided with in top between two sets of swash plates (2) of swivelling joint in broken case (1), broken case (1) are located and rotate between two sets of swash plates (2) and are connected with pivot (4), and the outside of pivot (4) is fixed and is provided with eccentric cam (5), motor (6) are installed in broken case (1), and the output of motor (6) is connected with pivot (4).

2. The coal mining crushing device with the screening function of claim 1, which is characterized in that: the top of the crushing box (1) is provided with a feeding port (7), a material distributing plate (8) is fixedly arranged above the two groups of inclined plates (2) in the crushing box (1), and two groups of crushing teeth are arranged on one sides, far away from the inclined plates (2).

3. The coal mining crushing device with the screening function of claim 1, which is characterized in that: the crushing box (1) is also provided with a screening mechanism, and the screening mechanism comprises a screen basket (9), a columnar cam (10), a fixed column (11) and a transverse groove (12);

the outer side of the crushing box (1) is rotatably connected with a columnar cam (10), the inner portion of the crushing box (1) is located below the inclined plate (2) and is connected with a screen basket (9) in a sliding mode, a fixing column (11) matched with the columnar cam (10) is fixedly arranged on one side of the screen basket (9), and a transverse groove (12) matched with the fixing column (11) is formed in the crushing box (1).

4. The coal mining crushing device with the screening function of claim 3, wherein the crushing device is characterized in that: the rotating shaft (4) and one section of the columnar cam (10) are fixedly connected with a synchronizing wheel (13), and a synchronous belt (14) is sleeved on the outer side of the synchronizing wheel (13).

5. The coal mining crushing device with the screening function of claim 3, wherein the crushing device is characterized in that: a guide plate (15) is fixedly arranged between the inclined plate (2) and the screen basket (9), and a discharge hole (18) matched with the screen basket (9) is formed in the bottom of the crushing box (1).

6. The coal mining crushing device with the screening function of claim 3, wherein the crushing device is characterized in that: the inner wall of the crushing box (1) is fixedly provided with a sliding block (16), sliding grooves (17) matched with the sliding block (16) are formed in two sides of the screen basket (9), and the screen basket (9) is connected with the crushing box (1) in a sliding mode through the sliding block (16).