CN216093965U

CN216093965U - High pressure grinding roller dust keeper

Info

Publication number: CN216093965U
Application number: CN202122042786.1U
Authority: CN
Inventors: 王龙浩; 李佳乐; 熊涛
Original assignee: Chengdu Dahongli Machinery Co Ltd
Current assignee: Chengdu Dahongli Machinery Co Ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-03-22
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses a dustproof device of a high-pressure roller mill, which comprises a screw rod, an adjusting plate, a hopper wallboard and a material frame, wherein the screw rod is arranged on the adjusting plate; the anti-overflow device also comprises a scrap scraping plate, an anti-overflow apron plate and a pressing device; the scrap scraping plate is arranged on the outer surface of the material frame, and the bottom of the scrap scraping plate is in contact with the adjusting plate; the anti-overflow apron plate is fixed on the scrap scraping plate through an anti-overflow apron plate pressing plate, and the bottom of the anti-overflow apron plate is in contact with the adjusting plate; the compressing device is arranged at the upper end of the scrap scraping plate. The pressing device enables the bottom of the scraping plate and the bottom of the anti-overflow apron plate to be always in contact with the adjusting plate, dust generated during rolling of the high-pressure roller mill is effectively prevented from entering the side of the screw rod through a gap of the material frame, the service life of the high-pressure roller mill is prolonged, the equipment failure rate is reduced, and meanwhile, the maintenance cost is saved.

Description

High pressure grinding roller dust keeper

Technical Field

The utility model relates to the technical field of roller mills, in particular to a dustproof device of a high-pressure roller mill.

Background

The roller mill is a drying and grinding device with wide application, and can be widely used for grinding cement raw materials or cement clinker and other industrial raw materials such as building, chemical industry, ceramics and the like. The material is crushed by pressure between two rolling surfaces or between the rolling grinding bodies (balls, rollers) and a rail (plane, ball, disc); it is mainly composed of grinding track, grinding body, force generation and transmission mechanism, air flow and device for easy-to-change parts. The roll mill has been increasingly paid more and more attention to the world cement industry and at home and abroad in terms of the working principle, the grinding mechanism, the mechanical structure and the system process performance, and along with the generation of the decomposition technology outside the kiln, the cement industry of various countries increasingly adopts the roll mill to grind the cement raw materials and the clinker. However, a large amount of dust is generated during rolling of the roller mill, the dust easily enters the screw rod side through a gap of the material frame, and the dust is attached to the screw rod and the screw nut in a large amount, so that the transmission load between the screw rod and the screw nut is increased, even the screw rod and the screw nut are damaged by grinding, and therefore the device for effectively preventing the dust from damaging the screw rod and the screw nut is the problem to be solved at present.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model aims to provide a dust-proof device of a high-pressure roller mill, which effectively prevents dust from entering the end of a material frame wire rod through a double-layer dust-proof device of a scrap scraping plate and an anti-overflow apron plate.

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

a high-pressure roller mill dustproof device comprises a screw rod, an adjusting plate, a hopper wallboard and a material frame; the anti-overflow device also comprises a scrap scraping plate, an anti-overflow apron plate and a pressing device; the scrap scraping plate is arranged on the outer surface of the material frame, and the bottom of the scrap scraping plate is in contact with the adjusting plate; the anti-overflow apron plate is fixed on the scrap scraping plate through an anti-overflow apron plate pressing plate, and the bottom of the anti-overflow apron plate is in contact with the adjusting plate; the compressing device is arranged at the upper end of the scrap scraping plate.

Preferably, the pressing device comprises an adjusting screw, a guide screw, a pressure spring pressing plate, a fixing plate and a pressure spring; the lower end of the adjusting screw is screwed with the upper surface of the scrap scraping plate, and the upper end of the adjusting screw is of a hexagonal structure with a threaded hole; the lower end of the guide screw penetrates through the pressure spring pressing plate to be screwed with the upper end of the adjusting screw, and the upper end of the guide screw penetrates through the fixing plate to freely reciprocate; the pressure spring is sleeved on the outer surface of the guide screw rod and arranged between the pressure spring pressing plate and the fixing plate.

Preferably, the fixing plate is connected with the hopper wallboard through a fixing block.

Preferably, the dustproof device further comprises a lifting lug and a steel wire rope; the lifting lugs are arranged on two sides of the top end of the scrap scraping plate; one end of the steel wire rope penetrates through the lifting lug.

The utility model has the beneficial effects that:

the dust-proof device of the high-pressure roller mill comprises the scrap scraping plate, the anti-overflow apron plate and the pressing device, wherein the scrap scraping plate and the anti-overflow apron plate form two dust-proof devices, the two dust-proof devices are always in contact with the adjusting plate through the pressing device, dust is effectively prevented from entering the end of the screw rod, the service lives of the screw rod and the screw nut are prolonged, the failure rate of equipment is reduced, the economic benefit is improved, and the production cost is saved.

Drawings

FIG. 1 is a schematic view of a dust-proof device mounting structure according to the present invention;

FIG. 2 is a schematic view of the exterior wall of the hopper of the present invention;

FIG. 3 is a schematic structural diagram of a dust-proof device according to the present invention;

in the figure: 1. a screw rod; 2. material frame; 3. an adjusting plate; 4. a scraping plate; 5. an anti-overflow apron board; 6. an anti-overflow apron board pressing plate; 7. a pressure spring pressing plate; 8. a fixing plate; 9. adjusting the screw rod; 10. a lead screw; 11. a pressure spring; 12. lifting lugs; 13. a wire rope; 14. a hopper wall panel; 15. and (5) fixing blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described with reference to the accompanying drawings. 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.

Example 1

As shown in fig. 1, the dustproof device of the high-pressure roller mill comprises a screw rod 1, an adjusting plate 3 and a material frame 2; the anti-overflow device also comprises a scrap scraping plate 4, an anti-overflow apron plate 5 and a pressing device; the scrap scraping plate 4 is arranged on the outer surface of the material frame 2, and the bottom of the scrap scraping plate 4 is in contact with the adjusting plate 3; the anti-overflow apron plate 5 is fixed on the scrap scraping plate 4 through an anti-overflow apron plate pressing plate 6, and the bottom of the anti-overflow apron plate 5 is in contact with the adjusting plate 3; the pressing device is arranged at the upper end of the scrap scraping plate 4.

As shown in fig. 1-2, the integral dust-proof device is arranged to be close to and symmetrical to the outer surfaces of the two sides of the connecting frame 2, is not connected to the material frame 2, and is connected to the hopper wall plate 14 through the fixing block 15, the scraping plate 4 is arranged to be close to the outer surface of the material frame 2, the upper portion of the scraping plate is connected to the pressing device, the scraping plate 4 is moved up and down by the pressing force of the pressing device, so that the bottom of the scraping plate 4 is always in contact with the adjusting plate 3, residues on the adjusting plate 3 are scraped, the scraping plate 4 serves as an overflow-proof apron plate 5 mounting plate, the overflow-proof apron plate 5 is fixed on the scraping plate 4 by the bolts penetrating through the overflow-proof apron plate 6, and the overflow-proof apron plate 5 and the scraping plate 4 are always in contact with the adjusting plate 3 by the pressing force of the pressing device. The anti-overflow skirtboard 5 adopts the double-deck sealed integral structure of straight board and shirt rim, and straight board passes through the assembly of skirtboard pressure strip with scraping bits board 4 and is in the same place, and 5 bottoms of anti-overflow skirtboard contact with regulating plate 3, and the shirt rim seal part of anti-overflow skirtboard 5 adopts unilateral circular arc transition, and the shirt rim of anti-overflow skirtboard 5 turns up, can lean on rubber slab elasticity in certain angle internal rotation, and automatic tracking regulating plate 3 all the time with regulating plate 3 in close contact with.

Example 2

As shown in fig. 3, the present embodiment is developed on the basis of embodiment 1, and specifically, the present embodiment discloses a pressing device, which includes an adjusting screw 9, a guide screw 10, a pressure spring pressing plate 7, a fixing plate 8 and a pressure spring 11; and one end of the adjusting screw rod 9 is provided with an external thread, the outside of the other end of the adjusting screw rod is provided with a threaded hole inside the hexagon, the external thread end is screwed with the upper surface of the scrap scraping plate 4, and the threaded hole end is connected with the guide screw rod 10. One end of the guide screw rod 10 is provided with an external thread, the other end of the guide screw rod is provided with an external hexagon, the end of the external thread penetrates through the through hole of the pressure spring pressing plate 7 to be connected with the threaded hole of the adjusting screw rod 9, and the end of the external hexagon penetrates through the guide hole of the fixing plate 8 to be capable of freely reciprocating. The outer surface of a guide screw 10 is sleeved with a pressure spring 11 and is arranged between a pressure spring pressing plate 7 and a fixing plate 8, the pressure spring pressing plate 7 is located between an adjusting screw 9 and the guide screw 10 and is placed on an outer hexagon of the adjusting screw 9, the upper portion and the lower portion of the pressure spring pressing plate 7 can be freely screwed in the guide screw 10, the adjusting screw 9 can be controlled to screw the thread depth of the scraping plate 4, the upper position and the lower position of the pressure spring pressing plate 7 are adjusted, and therefore the compression amount of the pressure spring 11 is adjusted, and the bottoms of the scraping plate 4 and the anti-overflow apron plate 5 are always in contact with an adjusting plate 3.

In some preferred embodiments, as shown in fig. 2, the fixing plate 8 is connected to the hopper wall plate 14 through a fixing block 15, the fixing block 15 is welded to the hopper wall plate 14, and the fixing plate 8 is connected to the fixing block 15 through screws.

In some preferred embodiments, as shown in fig. 3, in order to facilitate the entire dust-proof device to be hoisted out for quick replacement, the dust-proof device further comprises a lifting lug 12 and a wire rope 13; the lifting lugs 12 are arranged on two sides of the top end of the scrap scraping plate 4; one end of the steel wire rope 13 penetrates through the lifting lug 12, and the other end of the steel wire rope is arranged outside.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A high-pressure roller mill dustproof device comprises a screw rod (1), an adjusting plate (3), a hopper wallboard (14) and a material frame (2); the method is characterized in that: the anti-overflow device also comprises a scrap scraping plate (4), an anti-overflow apron plate (5) and a pressing device; the scrap scraping plate (4) is arranged on the outer surface of the material frame (2), and the bottom of the scrap scraping plate (4) is in contact with the adjusting plate (3); the anti-overflow apron plate (5) is fixed on the scrap scraping plate (4) through an anti-overflow apron plate pressing plate (6), and the bottom of the anti-overflow apron plate (5) is in contact with the adjusting plate (3); the pressing device is arranged at the upper end of the scrap scraping plate (4).

2. The dust-proof device for the high-pressure roller mill according to claim 1, wherein: the pressing device comprises an adjusting screw (9), a guide screw (10), a pressure spring pressing plate (7), a fixing plate (8) and a pressure spring (11); the lower end of the adjusting screw rod (9) is screwed with the upper surface of the scrap scraping plate (4), and the upper end of the adjusting screw rod is of a hexagonal structure with a threaded hole; the lower end of the guide screw rod (10) penetrates through the pressure spring pressing plate (7) to be screwed with the upper end of the adjusting screw rod (9), and the upper end of the guide screw rod (10) penetrates through the fixing plate (8) to freely reciprocate; the pressure spring (11) is sleeved on the outer surface of the guide screw rod (10) and is arranged between the pressure spring pressure plate (7) and the fixing plate (8).

3. The dust-proof device for the high-pressure roller mill according to claim 2, wherein: the fixing plate (8) is connected with the hopper wallboard (14) through a fixing block (15).

4. The dust-proof device for the high-pressure roller mill according to claim 1, wherein: the dustproof device also comprises a lifting lug (12) and a steel wire rope (13); the lifting lugs (12) are arranged on two sides of the upper end of the scrap scraping plate (4); one end of the steel wire rope (13) penetrates through the lifting lug (12).