CN219463506U - Coal crushing mechanism - Google Patents

Abstract

The utility model discloses a coal crushing mechanism, which relates to the technical field of coal crushing, and the technical scheme comprises a crushing box, wherein a first discharge pipe is arranged on the outer side wall of the crushing box far away from a first driving motor, the first discharge pipe corresponds to a first material guide plate, a plurality of filtering holes are formed in the outer wall of the bottom of the first material guide plate, the filtering holes penetrate through the first material guide plate, the diameter of each filtering hole is smaller than that of small coal and larger than that of coal powder.

Description

Coal crushing mechanism

Technical Field

The utility model relates to the technical field of coal crushing, in particular to a coal crushing mechanism.

Background

The pulverizer is a machine for pulverizing large-size solid raw materials to a required size, the pulverizer achieves the purpose of pulverizing by high-speed impact, and the coal pulverizer is used for pulverizing coal, when the coal is just mined, the size is large, the shape is uneven, and various inconveniences exist in the transportation and use processes, so that the coal pulverizer generally needs to be transported and used after being pulverized;

the existing coal crushing device cannot crush coal ores into powder well during coal crushing, small coal is contained in the crushed coal crushing device after crushing, subsequent coal processing is not facilitated, a large amount of powder particles can be splashed from a feeding hole and a discharging hole of the coal crushing device during crusher operation, and the coal crushing device is damaged after being inhaled by people, so that the coal crushing mechanism is necessary to be provided.

Disclosure of Invention

The utility model aims to solve the problems that the existing coal crushing device cannot crush coal ores into powder well for coal crushing operation in the prior art, the crushed coal is small in size, the subsequent coal processing is not facilitated, and a large amount of powder particles are splashed from a feeding hole and a discharging hole of the coal crushing device when the crusher works, and damage is caused after the coal crushing device is inhaled by people.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a coal crushing mechanism, includes crushing case, the notch has been seted up to the top outer wall of crushing case, the top outer wall fixedly connected with feed inlet of crushing case, the feed inlet passes through the notch with crushing case inner chamber is linked together, two crushing rollers to the coal breakage are installed to crushing case both sides inner wall, the first stock guide of both sides inner wall fixedly connected with of crushing case, the both sides inner wall fixedly connected with second stock guide of crushing case, first stock guide with the second stock guide is located two the below of crushing roller, the second stock guide is located the below of first stock guide, the inner wall rotation of crushing case is connected with two second pivots, two the second pivots are located respectively first stock guide with the inside of second stock guide, the outer wall fixedly mounted of second pivot has screw thread transmission blade.

The technical scheme further comprises the following steps:

the inner wall of feed inlet has seted up the spout, the inner wall sliding connection of spout has the baffle, one side of baffle runs through the spout and extends to the outside of feed inlet, the baffle is located the outside lateral wall fixedly connected with handle of feed inlet outside, two backup pads of the bottom outer wall fixedly connected with of crushing case.

The inner wall rotation of smashing the case is connected with two first pivots, two the steering of first pivot is relative all the time, two the one end of first pivot runs through smash the case and extend to smash the outside of case, smash roller fixed mounting first pivot is located smash the inside outer wall of case.

Two the first pivot is located smash the outside one end fixedly connected with second gear of case, two the second gear meshes mutually, smash the case and be located the lateral wall of second gear installs first driving motor, the terminal fixed connection of output shaft of first driving motor is in one of them the outer wall of second gear.

The crushing box is kept away from the lateral wall of first driving motor is provided with first row's material pipe, crushing box is kept away from the lateral wall of first driving motor is provided with the second row's material pipe, the second row's material pipe is located the below of first row's material pipe, first row's material pipe with first stock guide is corresponding, the second row's material pipe with the second stock guide is corresponding.

The bottom outer wall of first stock guide has seted up a plurality of filtration pores, the filtration pore runs through first stock guide, the diameter of filtration pore is less than little lump coal and is greater than coal powder, screw thread transmission blade with the second stock guide all extends to first row material pipe with the inside of material pipe is arranged to the second.

The second rotating shaft is far away from one end of the first discharging pipe and one end of the second discharging pipe penetrate through the crushing box and extend to the outside of the crushing box, and the two second rotating shafts are far away from one end of the first discharging pipe and one end of the second discharging pipe are fixedly connected with a first gear.

The outer walls of the two first gears are connected with chains in a meshed mode, the crushing box is located on the outer side wall of the first driving motor, the second driving motor is installed on the outer side wall of the first driving motor, and the tail end of an output shaft of the second driving motor is fixedly connected to the outer wall of one first gear close to the second material guide plate.

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

1. according to the utility model, during feeding, the baffle plate is closed by sliding through the handle, so that when coal is crushed, the baffle plate can prevent coal powder from splashing out of the feed port, the two crushing rollers crush the fallen coal, the crushed coal is discharged from the second discharge pipe, and the crushed coal is rotationally transmitted through the screw thread transmission blade in the second discharge pipe, so that the coal powder is in a sealing state in the discharging process, when the coal powder falls into the surface of the second guide plate, the discharging path of the coal powder is increased, the standing time of the coal powder is given, and the phenomenon that the coal powder directly falls into the recovery box during discharging to cause splashing of the powder at the discharging position is avoided.

2. According to the utility model, the crushed coal powder is filtered out through the filter holes, the small coal which is not crushed is reserved on the upper surface of the filter holes, and then the small coal powder is discharged and recovered from the first discharge pipe for secondary crushing in cooperation with the rotation of the screw thread transmission blade in the first guide plate, so that the coal is fully crushed, the later coal processing is facilitated, the filter speed of the filter holes can be increased while the screw thread transmission blade rotates, and the surface blockage of the filter holes can be prevented.

Drawings

FIG. 1 is an overall schematic diagram of a coal pulverizing mechanism according to the present utility model;

FIG. 2 is a first partial cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure shown in FIG. 2A;

FIG. 4 is a second partial cross-sectional view of the present utility model;

FIG. 5 is a third partial cross-sectional view of the present utility model

In the figure: 1. a crushing box; 2. a feed inlet; 3. a support plate; 4. a first discharge pipe; 5. a second discharge pipe; 6. a first driving motor; 7. a second driving motor; 8. a baffle; 9. a handle; 10. a chute; 11. a notch; 12. a pulverizing roller; 13. a first rotating shaft; 14. a first guide plate; 15. filtering holes; 16. a second rotating shaft; 17. a screw thread transmission blade; 18. a second guide plate; 19. a first gear; 20. a chain; 21. and a second gear.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1-5, the coal crushing mechanism provided by the utility model comprises a crushing box 1, wherein a notch 11 is formed in the outer wall of the top of the crushing box 1, a feed inlet 2 is fixedly connected to the outer wall of the top of the crushing box 1, the feed inlet 2 is communicated with the inner cavity of the crushing box 1 through the notch 11, two crushing rollers 12 for crushing coal are arranged on the inner walls of the two sides of the crushing box 1, a first material guide plate 14 is fixedly connected to the inner walls of the two sides of the crushing box 1, a second material guide plate 18 is fixedly connected to the inner walls of the two sides of the crushing box 1, the first material guide plate 14 and the second material guide plate 18 are positioned below the two crushing rollers 12, and the second material guide plate 18 is positioned below the first material guide plate 14;

the inner wall of the crushing box 1 is rotationally connected with two second rotating shafts 16, the two second rotating shafts 16 are respectively positioned in the first material guide plate 14 and the second material guide plate 18, the outer wall of the second rotating shaft 16 is fixedly provided with a threaded transmission blade 17, the inner wall of the feed inlet 2 is provided with a chute 10, the inner wall of the chute 10 is slidingly connected with a baffle plate 8, one side of the baffle plate 8 penetrates through the chute 10 and extends to the outside of the feed inlet 2, the outer side wall of the baffle plate 8 positioned outside the feed inlet 2 is fixedly connected with a handle 9, the inner wall of the crushing box 1 is rotationally connected with two first rotating shafts 13, and the steering directions of the two first rotating shafts 13 are always opposite;

one end of each first rotating shaft 13 penetrates through the crushing box 1 and extends to the outside of the crushing box 1, the crushing roller 12 is fixedly arranged on the outer wall of the first rotating shaft 13, which is positioned in the crushing box 1, one end of each first rotating shaft 13, which is positioned in the outside of the crushing box 1, is fixedly connected with a second gear 21, the two second gears 21 are meshed, the outer side wall of the crushing box 1, which is positioned in the second gear 21, is provided with a first driving motor 6, the tail end of an output shaft of the first driving motor 6 is fixedly connected with the outer wall of one of the second gears 21, the outer side wall of the crushing box 1, which is far away from the first driving motor 6, is provided with a second discharging pipe 5, and the second discharging pipe 5 corresponds to a second guide plate 18;

one end of the second rotating shaft 16 far away from the second material discharging pipe 5 penetrates through the crushing box 1 and extends to the outside of the crushing box 1, one end of the second rotating shaft 16 far away from the second material discharging pipe 5 is fixedly connected with a first gear 19, the outer walls of the two first gears 19 are connected with chains 20 in a meshed mode, the outer side wall of the crushing box 1, which is located on the first driving motor 6, is provided with a second driving motor 7, and the tail end of an output shaft of the second driving motor 7 is fixedly connected with the outer wall of one first gear 19 close to the second material guiding plate 18.

The working principle of the coal crushing mechanism based on the first embodiment is that when feeding, the baffle plate 8 is pulled by the handle 9, the feed inlet 2 is opened, coal is poured into the crushing box 1 from the feed inlet 2, the baffle plate 8 is slid by the handle 9 to close the feed inlet 2, and then when crushing coal, the baffle plate 8 can prevent coal powder from splashing out of the feed inlet 2;

starting the first driving motor 6, wherein the first driving motor 6 drives the second gears 21 to rotate, the two second gears 21 are meshed to enable the two second gears 21 to drive the two first rotating shafts 13 to rotate oppositely, the two first rotating shafts 13 rotate relatively to drive the two crushing rollers 12 to rotate relatively, the two crushing rollers 12 crush falling coal, and the crushed coal is discharged from the second discharging pipe 5;

the second driving motor 7 is started again, the second driving motor 7 drives the first gears 19 to rotate, the two first gears 19 are driven by a chain 20, the two first gears 19 drive the two second rotating shafts 16 to rotate when rotating, the screw thread transmission blades 17 are driven to rotate to transmit when the second rotating shafts 16 rotate, and the screw thread transmission blades 17 in the second discharging pipe 5 rotate to transmit, so that the sealing state is achieved in the discharging process, when the coal powder falls into the surface of the second material guiding plate 18, the discharging path of the coal powder is increased, the standing time of the coal powder is given, and when the discharging is avoided, the coal powder directly falls into the recovery box, and the powder is splashed at the discharging position.

Example two

As shown in fig. 1-5, based on the first embodiment, the bottom outer wall of the crushing box 1 is fixedly connected with two support plates 3, the outer side wall of the crushing box 1 far away from the first driving motor 6 is provided with a first discharging pipe 4, the first discharging pipe 4 corresponds to the first material guiding plate 14, the bottom outer wall of the first material guiding plate 14 is provided with a plurality of filtering holes 15, the filtering holes 15 penetrate through the first material guiding plate 14, and the diameter of the filtering holes 15 is smaller than that of small coal and larger than that of coal powder.

In this embodiment, two backup pads 3 can increase the area of contact of smashing case 1 and ground, make smashing case 1 be difficult for empting, filter through filtration pore 15 and filter the coal powder that has smashed, and the fritter coal that has not been smashed will stay on the upper surface of filtration pore 15, the screw thread transmission blade 17 of the inside of cooperation first stock guide 14 rotates again, discharge the fritter powder from first row material pipe 4 and retrieve and carry out secondary crushing, make coal smash fully like this, do benefit to later stage coal processing, and the screw thread transmission blade 17 inside of first stock guide 14 rotates can accelerate the filtration speed of filtration pore 15, can also prevent filtration pore 15 surface blocking.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (8)

1. The utility model provides a coal crushing mechanism, includes crushing case (1), its characterized in that, notch (11) have been seted up to the top outer wall of crushing case (1), the top outer wall fixedly connected with feed inlet (2) of crushing case (1), feed inlet (2) are linked together through notch (11) and crushing case (1) inner chamber, two crushing rollers (12) to the broken coal are installed to crushing case (1) both sides inner wall, the both sides inner wall fixedly connected with first stock guide (14) of crushing case (1), the both sides inner wall fixedly connected with second stock guide (18) of crushing case (1), the inner wall rotation of crushing case (1) is connected with two second pivots (16), two second pivots (16) are located the inside of first stock guide (14) and second stock guide (18) respectively, the outer wall fixed mounting of second pivot (16) has screw thread transmission blade (17).

2. The coal pulverizing mechanism according to claim 1, wherein a chute (10) is formed in the inner wall of the feed inlet (2), a baffle (8) is slidably connected to the inner wall of the chute (10), one side of the baffle (8) penetrates through the chute (10) and extends to the outside of the feed inlet (2), a handle (9) is fixedly connected to the outer side wall of the baffle (8) located outside the feed inlet (2), and two support plates (3) are fixedly connected to the outer wall of the bottom of the pulverizing box (1).

3. A coal pulverizing mechanism according to claim 2, wherein the inner wall of the pulverizing box (1) is rotatably connected with two first rotating shafts (13), the steering directions of the two first rotating shafts (13) are always opposite, one end of each of the two first rotating shafts (13) penetrates through the pulverizing box (1) and extends to the outside of the pulverizing box (1), and the pulverizing roller (12) is fixedly mounted on the outer wall of the first rotating shaft (13) located inside the pulverizing box (1).

4. A coal pulverizing mechanism according to claim 3, wherein one end of the two first rotating shafts (13) located outside the pulverizing box (1) is fixedly connected with a second gear (21), the two second gears (21) are meshed, the pulverizing box (1) is located on the outer side wall of the second gears (21), a first driving motor (6) is installed on the outer side wall of the pulverizing box, and the tail end of an output shaft of the first driving motor (6) is fixedly connected with the outer wall of one of the second gears (21).

5. The coal pulverizing mechanism according to claim 4, wherein a first discharge pipe (4) is arranged on the outer side wall of the pulverizing box (1) away from the first driving motor (6), a second discharge pipe (5) is arranged on the outer side wall of the pulverizing box (1) away from the first driving motor (6), the second discharge pipe (5) is located below the first discharge pipe (4), the first discharge pipe (4) corresponds to the first material guiding plate (14), and the second discharge pipe (5) corresponds to the second material guiding plate (18).

6. The coal pulverizing mechanism as defined in claim 5, wherein a plurality of filtering holes (15) are formed in the outer wall of the bottom of the first material guiding plate (14), the filtering holes (15) penetrate through the first material guiding plate (14), the diameter of the filtering holes (15) is smaller than that of small coal and larger than that of coal powder, and the screw thread transmission blades (17) and the second material guiding plate (18) extend to the inside of the first material discharging pipe (4) and the second material discharging pipe (5).

7. The coal pulverizing mechanism according to claim 6, wherein one end of the second rotating shaft (16) away from the first discharging pipe (4) and the second discharging pipe (5) penetrates through the pulverizing box (1) and extends to the outside of the pulverizing box (1), and one end of the second rotating shaft (16) away from the first discharging pipe (4) and the second discharging pipe (5) is fixedly connected with a first gear (19).

8. The coal pulverizing mechanism as defined in claim 7, wherein the outer walls of the two first gears (19) are connected with a chain (20) in a meshed manner, the outer side wall of the pulverizing box (1) located at the first driving motor (6) is provided with a second driving motor (7), and the tail end of an output shaft of the second driving motor (7) is fixedly connected to the outer wall of one first gear (19) close to the second material guiding plate (18).