CN215743920U

CN215743920U - Coal grinding machine

Info

Publication number: CN215743920U
Application number: CN202121484245.8U
Authority: CN
Inventors: 宋林彦; 宋燚; 王建忠
Original assignee: Xingtai Rongxin Thermal Power Co ltd
Current assignee: Xingtai Rongxin Thermal Power Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-02-08
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a coal grinding machine which comprises a grinding box and a grinding barrel, wherein a feeding funnel is installed on the upper end face of the grinding barrel, a first motor is fixedly connected to the left side wall of the grinding barrel, one end, penetrating through the inner wall of the grinding barrel, of an output shaft of the first motor is fixedly connected with a transmission shaft, the outer wall of the transmission shaft is fixedly connected with a spiral blade, the outer wall of the output shaft of the first motor is in transmission connection with a rotating shaft close to one side of the inner cavity of the grinding box through a belt matched with a belt pulley, one end, penetrating through the left side wall of the grinding box, of each of two rotating shafts is fixedly connected with a first gear and a second gear respectively, the first gear is meshed with the second gear, and the inner cavity wall of the grinding box is fixedly connected with a grinding plate. The coal grinding machine solves the problems that the combustion rate of coal is influenced due to poor grinding effect of the existing coal grinding machine, and coal powder is easy to float into the air when the coal is poured into the grinding machine.

Description

Coal grinding machine

Technical Field

The utility model relates to the technical field of coal grinding equipment, in particular to a coal grinding machine.

Background

Coal is known as black gold by people, industrial food is one of main energy sources used in the human world in the eighteenth century, coal is used as fuel for generating energy sources when energy sources are manufactured at present, before the coal is used, the coal can be ground in order to increase the combustion rate, the volume of the coal is reduced, the area of the coal is increased, the combustion area of the coal is increased, the utilization rate of the coal is improved, and therefore a coal grinding device is required to be used for grinding the coal.

The existing coal grinding machine is single in coal grinding, so that the grinding effect is poor, the combustion rate of coal is influenced, fine powder in the coal is easy to float when the coal is poured into the grinding machine, and the health of a user is influenced and the environment is damaged.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a coal grinding machine, which solves the problems that the combustion rate of coal is influenced due to poor grinding effect of the existing coal grinding machine, and coal powder is easy to float into the air when the coal is poured into the grinding machine.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a coal grinding machine comprises a grinding box 1 and a grinding barrel 2, wherein a feeding funnel 3 is installed on the upper end face of the grinding barrel 2, a first motor 4 is fixedly connected to the left side wall of the grinding barrel 2, an output shaft of the first motor 4 penetrates through one end of the inner wall of the grinding barrel 2 and is fixedly connected with a transmission shaft 5, a spiral blade 6 is fixedly connected to the outer wall of the transmission shaft 5, a feeding hole 7 is formed in the upper cavity top of the grinding box 1 and the lower end face of the grinding barrel 2, grinding mechanisms 8 are symmetrically arranged on the inner cavity wall of the grinding box 1, a rotating shaft 13 is symmetrically and rotatably connected to the inner cavity wall of the grinding box 1, two crushing rollers 14 are fixedly connected to the outer wall of the rotating shaft 13, the outer wall of the output shaft of the first motor 4 is in transmission connection with the rotating shaft 13 close to one side of the inner cavity of the grinding box 1 through a belt 12, and a first gear 15 and a second gear are fixedly connected to one end of the rotating shaft 13, which penetrates through the left side wall of the grinding box 1 And the first gear 15 is meshed with the second gear 16, and the inner cavity wall of the grinding box 1 is fixedly connected with the grinding plate 9.

Preferably, the grinding mechanism 8 includes a second motor 81, a disc 82, a sliding column 83, a sliding frame 84, a conical block 85, a supporting shaft 86, a guide plate 87 and grinding teeth 88, and the second motor 81 is fixedly connected to the rear end surface of the grinding box 1.

Preferably, a disk 82 is fixedly connected to one end of the output shaft of the second motor 81, which penetrates through the cavity wall of the grinding box 1, a sliding column 83 is fixedly connected to the front end face of the disk 82, and a guide plate 87 is fixedly connected to both the left and right cavity walls of the grinding box 1.

Preferably, a sliding frame 84 is slidably connected to an outer wall of the sliding column 83, a tapered block 85 is rotatably connected to an inner cavity wall of the grinding box 1 through a support shaft 86, and an upper end surface of the tapered block 85 is fixedly connected to the sliding frame 84.

Preferably, the lower end face of the conical block 85 and the upper end face of the grinding plate 9 are both fixedly connected with grinding teeth 88, one side wall of each of the two guide plates 87 close to the conical block 85 is both fixedly connected with the grinding teeth 88, and the upper end face of the grinding plate 9 is uniformly provided with the leakage holes 10.

Preferably, a dust suction mechanism 17 is installed on the upper end surface of the grinding box 1, an air inlet of the dust suction mechanism 17 is communicated with a guide pipe 18, and an air outlet of the dust suction mechanism 17 is communicated with the inner cavity of the grinding box 1.

Preferably, the upper end surface of the discharging funnel 3 is fixedly connected with an annular tube 19, the inner wall of the annular tube 19 is uniformly provided with suction holes 20, the guide tube 18 is communicated with the annular tube 19, and the lower end surface of the grinding plate 9 is symmetrically and fixedly connected with a material guide plate 11.

(III) advantageous effects

The utility model provides a coal grinding mill. The method has the following beneficial effects:

(1) this coal grinds machine, through dust absorption mechanism, the stand pipe, the ring pipe, inhale the cooperation of hole and unloading funnel, before coal emptys from the unloading funnel, open dust absorption mechanism, coal receives tiny powder can fly in the unloading funnel collision time, inhale the hole this moment and just can inhale the inner chamber that grinds the case with the powder of raiseing, can reduce coal powder and fly in the air, it harms human health to reduce the staff to inhale the powder, also can avoid the waste of coal powder, the practicality of whole machine of grinding has been improved.

(2) The coal grinding machine comprises a grinding barrel, a first motor, a transmission shaft mill, a helical blade, a belt, a rotating shaft, crushing rollers, a first gear, a second gear, a grinding plate, a leak hole, a grinding mechanism, a second motor, a disc, a sliding column, a sliding frame, a conical block, a supporting shaft, a guide plate and grinding teeth, wherein coal is firstly put into an inner cavity of the grinding barrel from a discharging hopper, the first motor and the second motor are started, the transmission shaft and the helical blade are driven to rotate to crush the coal and convey the crushed coal to an inner cavity of a grinding box, the rotating shaft is driven to rotate by the rotation of the first motor through the belt matched with a belt pulley, so that the first gear is meshed with the second gear to drive the two crushing rollers to simultaneously rotate to further crush the coal, the disc is driven to rotate by the rotation of the second motor, and the sliding column slides in the sliding frame when the disc rotates, and can rock the drive toper piece through sliding frame about and swing about the back shaft outer wall, the toper piece can cooperate the deflector and grind the grinding tooth of grinding plate up end when rocking about, grinds coal, can fall out from the small opening when grinding qualified powder, has passed through cubic crushing and grinding, and the effectual grinding effect that has improved the coal has guaranteed the quality of grinding coal.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a partially cut-away structure of the pulverizing barrel of the present invention;

FIG. 3 is a schematic view of a partially cut-away structure of the grinding box of the present invention;

fig. 4 is a schematic view of the rear view overall installation structure of the present invention.

In the figure: 1. grinding a box; 2. a crushing barrel; 3. a discharging hopper; 4. a first motor; 5. a drive shaft; 6. a helical blade; 7. a feeding port; 8. a grinding mechanism; 81. a second motor; 82. a disc; 83. a traveler; 84. a sliding frame; 85. a conical block; 86. a support shaft; 87. a guide plate; 88. grinding the teeth; 9. a grinding plate; 10. a leak hole; 11. a material guide plate; 12. a belt; 13. a rotating shaft; 14. a crushing roller; 15. a first gear; 16. a second gear; 17. a dust suction mechanism; 18. a guide tube; 19. an annular tube; 20. and (4) sucking holes.

Detailed Description

The technical solution 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.

Referring to fig. 1-4, the present invention provides a technical solution:

when the coal grinding device works, firstly, coal is put into an inner cavity of the grinding barrel 2 from the feeding hopper 3, the first motor 4 and the second motor 81 are started, the first motor 4 can drive the transmission shaft 5 and the helical blades 6 to rotate to grind the coal and transmit the coal to an inner cavity of the grinding box 1, the belt 12 and the belt pulley are matched to drive the rotating shaft 13 to rotate when the first motor 4 rotates, the first gear 15 is meshed with the second gear 16 to drive the two grinding rollers 14 to rotate simultaneously to further grind the coal, so that the coal is ground subsequently, the disk 82 is driven to rotate when the second motor 81 rotates, the disk 82 slides in the sliding frame 84 through the sliding column 83 when rotating, the sliding frame 84 can swing left and right to drive the tapered block 85 to swing left and right on the outer wall of the supporting shaft 86, and the tapered block 85 can match the guide plate 87 and the grinding teeth 88 on the upper end face of the grinding plate 9 when swinging left and right, qualified powder can fall out from the small opening 10 when grinding, through cubic crushing and grinding, the effectual grinding effect to coal that has improved, the quality of grinding coal has been guaranteed, before coal emptys from unloading funnel 3, open dust absorption mechanism 17, coal receives tiny powder can fly up in the time of unloading funnel 3 collision, it just can inhale the inner chamber of grinding case 1 with the powder of raiseing to inhale hole 20 this moment, can reduce coal powder and float up in the air, it harms human health to reduce the staff and inhale the powder, also can avoid the waste of coal powder, the practicality of whole grinding machine has been improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims

1. A coal grinding machine comprises a grinding box (1) and a grinding barrel (2), and is characterized in that: the grinding device is characterized in that a feeding funnel (3) is installed on the upper end face of the grinding barrel (2), a first motor (4) is fixedly connected to the left side wall of the grinding barrel (2), an output shaft of the first motor (4) penetrates through one end of the inner wall of the grinding barrel (2) and is fixedly connected with a transmission shaft (5), spiral blades (6) are fixedly connected to the outer wall of the transmission shaft (5), a feeding opening (7) is formed in the upper cavity top of the grinding box (1) and the lower end face of the grinding barrel (2), grinding mechanisms (8) are symmetrically arranged on the inner cavity wall of the grinding box (1), rotating shafts (13) are symmetrically and rotatably connected to the inner cavity wall of the grinding box (1), crushing rollers (14) are fixedly connected to the outer walls of the two rotating shafts (13), and the outer wall of the output shaft of the first motor (4) is in transmission connection with the rotating shaft (13) close to one side of the inner cavity of the grinding box (1) through a belt (12) in a matching manner, one end of each of the two rotating shafts (13) penetrating through the left side wall of the grinding box (1) is fixedly connected with a first gear (15) and a second gear (16), the first gear (15) is meshed with the second gear (16), and the inner cavity wall of the grinding box (1) is fixedly connected with a grinding plate (9).

2. A coal grinding mill according to claim 1, characterized in that: the grinding mechanism (8) comprises a second motor (81), a disc (82), a sliding column (83), a sliding frame (84), a conical block (85), a supporting shaft (86), a guide plate (87) and grinding teeth (88), and the second motor (81) is fixedly connected to the rear end face of the grinding box (1).

3. A coal grinding mill according to claim 2, characterized in that: the output shaft of the second motor (81) penetrates through one end of the cavity wall of the grinding box (1) and is fixedly connected with a disc (82), the front end face of the disc (82) is fixedly connected with a sliding column (83), and the left cavity wall and the right cavity wall of the grinding box (1) are both fixedly connected with guide plates (87).

4. A coal grinding mill according to claim 3, characterized in that: the outer wall of the sliding column (83) is connected with a sliding frame (84) in a sliding mode, the inner cavity wall of the grinding box (1) is rotatably connected with a conical block (85) through a supporting shaft (86), and the upper end face of the conical block (85) is fixedly connected with the sliding frame (84).

5. A coal grinding mill according to claim 4, characterized in that: the lower end face of conical block (85) and the equal fixedly connected with of up end of grinding plate (9) grind tooth (88), and two equal fixedly connected with of a lateral wall that deflector (87) are close to conical block (85) grind tooth (88), leak hole (10) have evenly been seted up to the up end of grinding plate (9).

6. A coal grinding mill according to claim 1, characterized in that: the grinding box is characterized in that a dust suction mechanism (17) is installed on the upper end face of the grinding box (1), an air inlet of the dust suction mechanism (17) is communicated with a guide pipe (18), and an air outlet of the dust suction mechanism (17) is communicated with the inner cavity of the grinding box (1).

7. A coal grinding mill according to claim 6, characterized in that: the feeding device is characterized in that an annular pipe (19) is fixedly connected to the upper end face of the discharging hopper (3), suction holes (20) are uniformly formed in the inner wall of the annular pipe (19), the guide pipe (18) is communicated with the annular pipe (19), and the lower end face of the grinding plate (9) is symmetrically and fixedly connected with a material guide plate (11).