CN215783780U

CN215783780U - Lower grinding disc of special coal mill for metallurgy

Info

Publication number: CN215783780U
Application number: CN202121920230.1U
Authority: CN
Inventors: 季华
Original assignee: Jiangsu Xinter Metallurgical Machinery Manufacturing Co ltd
Current assignee: Jiangsu Xinter Metallurgical Machinery Manufacturing Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-02-11
Anticipated expiration: 2031-08-17

Abstract

The utility model relates to the technical field of coal mills, and discloses a special coal mill lower grinding disc for metallurgy, which comprises a body, two lead screws and two partition plates, wherein the body is arranged in a hollow manner, the two partition plates are symmetrically arranged in the body, strip-shaped openings are formed in the two partition plates, the two lead screws are symmetrically arranged in the body, rod walls at two ends are respectively and rotatably connected with the corresponding inner wall of the body through first bearings, the rod walls of the two lead screws are respectively and spirally connected with sliding blocks, one sides, opposite to the two sliding blocks, of the two sliding blocks are respectively and rotatably connected with first rotating shafts through second bearings, grinding rollers are respectively and fixedly arranged on the rod wall at one end, opposite to the two first rotating shafts, of the two first rotating shafts, and a grinding motor is fixedly arranged on the lower surface of the bottom of the body. The utility model can grind coal powder with different thickness and is convenient for cleaning the coal powder in the coal mill.

Description

Lower grinding disc of special coal mill for metallurgy

Technical Field

The utility model relates to the technical field of coal mills, in particular to a lower grinding disc of a special coal mill for metallurgy.

Background

The coal mill is a machine for crushing and grinding coal briquettes into coal dust, the coal mill has various processing modes, and the most common mode is a mode of performing primary crushing on the coal briquettes by adopting a crushing knife roll and then grinding the primarily crushed coal briquettes by adopting a grinding roll and a grinding disc to form the coal dust.

In current coal pulverizer, the clearance between grinding roller and the mill can not be adjusted, can not grind out the buggy of different thickness degrees, and then causes the use office of coal pulverizer and present, and current coal pulverizer is not convenient for clear up the buggy that its bottom ground well.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that coal powder with different thicknesses cannot be ground due to the fact that a gap wall between a grinding roller and a grinding disc in a coal mill is adjustable in the prior art, and provides a lower grinding disc of a special coal mill for metallurgy.

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

a lower grinding disc of a special coal mill for metallurgy comprises a body, two lead screws and two partition plates, wherein the body is arranged in a hollow mode, the two partition plates are symmetrically arranged inside the body, strip-shaped openings are formed in the two partition plates, the two lead screws are symmetrically arranged inside the body, rod walls at two ends are respectively connected with the corresponding inner wall of the body through first bearings in a rotating mode, the rod walls of the two lead screws are respectively connected with a sliding block in a threaded mode, one opposite sides of the two sliding blocks are respectively connected with a first rotating shaft in a rotating mode through second bearings in a rotating mode, one end rod wall opposite to the two first rotating shafts respectively penetrates through the corresponding strip-shaped openings and is fixedly provided with a grinding roller, a grinding motor is fixedly arranged on the lower surface of the bottom of the body, a second rotating shaft is rotatably connected on the upper surface of the bottom of the body through a third bearing, a grinding disc is fixedly arranged on the upper end rod wall of the second rotating shaft, and the lower rod wall of the second rotating shaft penetrates through the bottom of the body and is fixedly connected with the output end of the grinding motor, the grinding roller and the grinding disc are arranged in a propping mode, a U-shaped plate is fixedly mounted at the top of the body, the upper end rod walls of the screw rods penetrate through the top of the body and are respectively rotatably connected with the lower surface of the top of the U-shaped plate through fourth bearings, and the upper end rod walls of the screw rods are jointly connected with a driving mechanism.

Preferably, actuating mechanism includes two belt pulleys, motor and belt, motor fixed mounting is at U-shaped board top upper surface, two the belt pulley cup joints with the lead screw pole wall that corresponds is fixed respectively, and connects, the left side through belt transmission the upper end pole wall of lead screw runs through U-shaped board top and with the output fixed connection of motor.

Preferably, the lower surface of the right side of the grinding disc is fixedly provided with a connecting plate, the lower end rod wall of the connecting plate is fixedly provided with a scraper, and the scraper is abutted to the upper surface of the bottom of the body.

Preferably, the feed inlet has been seted up at the body top, the inside fixed mounting of feed inlet has the inlet pipe.

Preferably, the bottom of the body is provided with a discharge hole.

Preferably, the lower surface of the bottom of the body is fixedly provided with a supporting leg.

Compared with the prior art, the utility model provides a lower grinding disc of a special coal mill for metallurgy, which has the following beneficial effects:

1. this mill under metallurgical special coal pulverizer, through starting grinding motor, and then make grinding motor drive the second pivot and rotate, and then drive the mill rotation in second pivot pivoted, and then through the counterbalance setting of grinding roller and mill, and then realize the grinding to the coal cinder, drive the scraper blade rotation in the mill pivoted, and then can clear up body bottom upper surface buggy.

2. This mill under metallurgical special coal pulverizer, through starter motor, the output of motor drives the left side lead screw and rotates, and then connects through the belt on the pole wall and the transmission of belt pulley, and then realizes that two lead screws rotate simultaneously, and then realizes that two grinding rollers reciprocate simultaneously, and then can grind out the buggy of different thicknesses.

The part not involved in the device is the same as the prior art or can be realized by the prior art, and the device can grind coal powder with different thicknesses and is convenient for cleaning the coal powder in the coal mill.

Drawings

FIG. 1 is a schematic structural diagram of a lower grinding disc of a special metallurgical coal mill provided by the utility model;

fig. 2 is a side view of fig. 1.

In the figure: the grinding machine comprises a body 1, a partition plate 2, a lead screw 3, a sliding block 4, a first rotating shaft 5, a grinding roller 6, a grinding motor 7, a second rotating shaft 8, a grinding disc 9, a motor 10, a belt pulley 11, a belt 12, a U-shaped plate 13, a connecting plate 14, a scraping plate 15, a feeding pipe 16, a supporting leg 17 and a discharging port 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, a special coal mill lower grinding disc for metallurgy comprises a body 1, two lead screws 3 and two partition plates 2, wherein the body 1 is hollow, the two partition plates 2 are symmetrically arranged inside the body 1, strip-shaped openings are formed inside the two partition plates 2, the two lead screws 3 are symmetrically arranged inside the body 1, rod walls at two ends are respectively and rotatably connected with the inner wall of the corresponding body 1 through first bearings, the rod walls of the two lead screws 3 are respectively and rotatably connected with a slide block 4 through threads, one opposite sides of the two slide blocks 4 are respectively and rotatably connected with a first rotating shaft 5 through a second bearing, one end rod wall opposite to the two first rotating shafts 5 is respectively and rotatably connected with the corresponding strip-shaped opening, a grinding roller 6 is fixedly arranged, through the arrangement of the two lead screws 3, the gap between the grinding roller 6 and a grinding disc 9 can be controlled, coal powder with different thicknesses can be ground, a grinding motor 7 is fixedly arranged on the lower surface of the bottom of the body 1, the upper surface of the bottom of the body 1 is rotatably connected with a second rotating shaft 8 through a third bearing, an upper end rod wall of the second rotating shaft 8 is fixedly provided with a grinding disc 9, a lower end rod wall of the second rotating shaft 8 penetrates through the bottom of the body 1 and is fixedly connected with an output end of a grinding motor 7, two grinding rollers 6 are abutted to two sides of the grinding disc 9, the top of the body 1 is fixedly provided with a U-shaped plate 13, the upper end rod walls of the two lead screws 3 all penetrate through the top of the body 1, the upper end rod walls are respectively rotatably connected with the lower surface of the top of the U-shaped plate 13 through fourth bearings, and the upper end rod walls of the two lead screws 3 are jointly connected with a driving mechanism.

Actuating mechanism includes two belt pulleys 11, motor 10 and belt 12, and motor 10 fixed mounting is at U-shaped plate 13 top upper surface, and two belt pulleys 11 cup joint with 3 pole walls of lead screw that correspond respectively are fixed, and connect through belt 12 transmission, and the upper end pole wall of left side lead screw 3 runs through U-shaped plate 13 top and with motor 10's output fixed connection, and actuating mechanism's setting makes motor 10 drive two lead screws 3 and rotate simultaneously.

The lower surface of the right side of the grinding disc 9 is fixedly provided with a connecting plate 14, the lower end rod wall of the connecting plate 14 is fixedly provided with a scraper 15, the scraper 15 is abutted against the upper surface of the bottom of the body 1 and is arranged by the abutment of the scraper 15 and the upper surface of the bottom of the body 1, and then all pulverized coal ground in the body 1 is moved out from a discharge hole 18.

The feed inlet has been seted up at body 1 top, and the inside fixed mounting of feed inlet has inlet pipe 16.

The bottom of the body 1 is provided with a discharge port 18, and the discharge port 18 is arranged to enable ground coal powder to be taken out from the inside of the body 1.

Fixed surface installs supporting leg 17 under body 1 bottom, and supporting leg 17's setting plays the supporting role to body 1.

In the utility model, when in use, the output end of the motor 10 drives the left screw rod 3 to rotate by starting the motor 10, the belt 12 on the upper end rod wall of the two screw rods 3 is in transmission connection with the belt pulley 11, so that the motor 10 drives the two screw rods 3 to rotate simultaneously, the two slide blocks 4 move simultaneously, the two grinding rollers 6 are driven to move simultaneously, the gap between the grinding rollers 6 and the grinding disc 9 can be adjusted, and further coal powder with different thicknesses can be ground, when the gap between the grinding rollers 6 and the grinding disc 9 is adjusted, the coal blocks reach the upper surface of the grinding disc 9 through the feed pipe 16, the output end of the grinding motor 7 drives the second rotating shaft 8 to rotate by starting the grinding motor 7, so that the grinding disc 9 is driven to rotate while the second rotating shaft 8 rotates, the grinding rollers 6 grind the coal blocks, and the grinding disc 9 rotates, so that the grinding disc 9 drives the connecting plate 14 on the lower surface to rotate, so that the connecting plate 14 drives the scraper 15 to rotate, and the pulverized coal on the upper surface of the bottom of the body 1 is completely removed through the discharge hole 18.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The lower grinding disc for the metallurgical special coal mill comprises a body (1), two lead screws (3) and two partition plates (2), and is characterized in that the body (1) is hollow, the two partition plates (2) are symmetrically arranged inside the body (1), the strip-shaped openings are formed inside the partition plates (2), the two lead screws (3) are symmetrically arranged inside the body (1), rod walls at two ends are respectively and rotatably connected with the inner wall of the corresponding body (1) through first bearings, the rod walls of the two lead screws (3) are respectively in threaded connection with sliding blocks (4), one opposite sides of the two sliding blocks (4) are respectively and rotatably connected with first rotating shafts (5) through second bearings, one opposite end rod walls of the two first rotating shafts (5) are respectively and fixedly provided with grinding rollers (6), a grinding motor (7) is fixedly arranged on the lower surface of the bottom of the body (1), body (1) bottom upper surface rotates through the third bearing and is connected with second pivot (8), the upper end pole wall fixed mounting of second pivot (8) has mill (9), the lower extreme pole wall of second pivot (8) run through body (1) bottom and with the output fixed connection of grinding motor (7), two grinding roller (6) offset the setting with the both sides of mill (9), body (1) top fixed mounting has U-shaped board (13), two the upper end pole wall of lead screw (3) all runs through body (1) top, and is connected through fourth bearing and U-shaped board (13) top lower surface rotation, two respectively the upper end pole wall of lead screw (3) is connected with actuating mechanism jointly.

2. The special coal mill lower grinding disc for metallurgy according to claim 1, wherein the driving mechanism comprises two belt pulleys (11), a motor (10) and a belt (12), the motor (10) is fixedly installed on the upper surface of the top of the U-shaped plate (13), the two belt pulleys (11) are respectively fixedly sleeved with the rod wall of the corresponding screw rod (3) and are in transmission connection through the belt (12), and the upper end rod wall of the screw rod (3) on the left side penetrates through the top of the U-shaped plate (13) and is fixedly connected with the output end of the motor (10).

3. The lower grinding disc of the special coal mill for metallurgy according to claim 1, wherein a connecting plate (14) is fixedly installed on the lower surface of the right side of the grinding disc (9), a scraper (15) is fixedly installed on the lower end rod wall of the connecting plate (14), and the scraper (15) is abutted to the upper surface of the bottom of the body (1).

4. The lower grinding disc of the coal mill special for metallurgy according to claim 1, wherein a feed inlet is formed in the top of the body (1), and a feed pipe (16) is fixedly installed inside the feed inlet.

5. The lower grinding disc of the coal mill special for metallurgy according to claim 1, wherein a discharge hole (18) is formed in the bottom of the body (1).

6. The lower grinding disc of the special metallurgical coal mill according to claim 1, characterized in that a support leg (17) is fixedly arranged on the lower surface of the bottom of the body (1).