CN201815330U

CN201815330U - Fine crushing machine with ultrahigh size reduction ratio

Info

Publication number: CN201815330U
Application number: CN2010205792610U
Authority: CN
Inventors: 张家斌
Original assignee: HUBEI SONGZI CITY HIMMELSKE CREATIONS MINING MACHINERY CO Ltd
Current assignee: HUBEI SONGZI CITY HIMMELSKE CREATIONS MINING MACHINERY CO Ltd
Priority date: 2010-10-27
Filing date: 2010-10-27
Publication date: 2011-05-04
Anticipated expiration: 2020-10-27

Abstract

The utility model relates to a fine crushing machine with the ultrahigh size reduction ratio, and belongs to the technical field of crushing machine manufacture. The fine crushing machine mainly comprises an upper machine body, grid strips, a lower machine body, a sieve plate, a sieve plate holder, a rotor, a swinging hammer, a main shaft, a flywheel, a belt pulley and an adjusting device, wherein the upper machine body is arranged at the upper part of the lower machine body, the main shaft is arranged on the lower machine body, the flywheel and the belt pulley are arranged at the two ends of the main shaft respectively, the rotor and the swinging hammer are arranged at the middle part of the main shaft, the sieve plate is arranged at the bottom inside the lower machine body, the adjusting device is mounted at the bottom of the sieve plate, and the grid strips are arranged in a row on the upper machine body. The fine crushing machine with the ultrahigh size reduction ratio can trap large-size materials at the upper part of the grid strips and allow the small-size materials to directly fall into a crushing chamber where the small-size materials are crushed. The large-size materials trapped at the upper part of the grid strips are crushed by the swinging hammer until reaching a certain grain size and then fall into the crushing chamber for further crushing, thereby greatly reducing the impact force of the large-size materials on the rotor and the machine bodies and reducing the energy consumption. The utility model overcomes the problems of low size reduction ratio and high energy consumption in the prior art and effectively reduces the production cost.

Description

A kind of fine crusher of the especially big ratio of reduction

Technical field

The utility model relates to a kind of fine crusher of the especially big ratio of reduction, belongs to crushing mechanism technology for making field.

Background technology

Material crusher is widely used in industries such as building, metallurgy, chemical industry, electric power, the energy, is the indispensable weight equipment of manufacturing enterprise.Material crusher in the market, the ratio of the discharging granularity after its maximum feed granularity and the treated fragmentation is very little, generally between 3～5, even adopt advanced single block hammer crusher broken material, its ratio maximum also can only reach about 40.Therefore at broken material, especially when needs obtain the fine particle material, then need segmentation, graded operation; Such as ore dressing, artificial sand, fired brick or the like, just need secondary, three grades or even more multistage broken process and equipment.Make the technological process complexity, broken process is long, and energy consumption is big, the production cost height.

Summary of the invention

The purpose of this utility model is, a kind of big crusher chamber that has is provided, a plurality of wing hammers that get rid of are installed in employing on rotor, can be with the disposable desired particle size that is crushed to of bulk materials, the ratio of reduction is big, and is simple in structure, broken process is short, overcome existing crusher in crushing than little defective, and energy consumption is low, the fine crusher of the especially big ratio of reduction that effectively reduces production costs.

The utility model is to realize above-mentioned purpose by following technical solution:

A kind of fine crusher of the especially big ratio of reduction, it by upper machine body, counterpunch board, grid bar, grid bar mount pad, pressing plate, lower body, sieve plate, sieve plate frame, rotor, get rid of hammer, main shaft, flywheel, belt pulley and adjusting device and constitute, it is characterized in that: upper machine body places the top of lower body, main shaft is housed on the lower body, the two ends of main shaft overhang outside lower body, flywheel and belt pulley are housed respectively on the two ends that overhang, be manufactured with rotor on the main shaft in the lower body, uniformly on each rotor be equipped with at least three and get rid of hammer; By the sieve plate frame sieve plate is installed in the lower body, sieve plate places the bottom of getting rid of hammer, and the sieve plate bottom is equipped with adjusting device; Be fixed with counterpunch board on the crusher chamber inwall of upper machine body, be fixed with the grid bar at row's band inclination angle on the upper machine body by grid bar mount pad and pressing plate, the minimum spacing between the two grid bars can guarantee to get rid of hammer and pass; The close end of the charging aperture below of upper machine body and grid bar is provided with square steel.

The utility model beneficial effect compared with prior art is:

The upper machine body inwall of the fine crusher of this especially big ratio of reduction is equipped with row's grid bar, is separately installed with on each rotor of lower body and gets rid of hammer, gets rid of hammer and passes between the grid bar, and the wide adjustable sieve plate of seam is installed in the lower body.Grid bar in the upper machine body can intercept bulk materials on grid bar top, and piece material is directly fallen into the interior disposable fragmentation of finishing of crusher chamber; Obstruct is after the bulk materials on grid bar top then is broken into certain particle earlier, fall in the crusher chamber broken by the grid bar again, significantly reduced the enormous impact power of bulk materials, effectively avoided traffic congestion and damage machine, made broken ratio up to more than 200 to rotor and body.The fine crusher of this especially big ratio of reduction is wanted power saving 50% even more than conventional two-stage crushing, greatly reduces energy consumption; And simple in structure, broken process is short, has overcome existing crusher in crushing than little defective, effectively reduces production cost.

Description of drawings:

Fig. 1 is a kind of main TV structure schematic diagram of fine crusher of the especially big ratio of reduction;

Fig. 2 is a kind of side-looking structural representation of fine crusher of the especially big ratio of reduction.

Among the figure: 1, upper machine body, 2, counterpunch board, 3, the grid bar, 4, grid bar mount pad, 5, pressing plate, 6, lower body, 7, sieve plate, 8, the sieve plate frame, 9, rotor, 10, square steel, 11, get rid of hammer, 12, main shaft, 13, flywheel, 14, belt pulley, 15, adjusting device.

The specific embodiment:

The fine crusher of this especially big ratio of reduction by upper machine body 1, counterpunch board 2, grid bar 3, grid bar mount pad 4, pressing plate 5, lower body 6, sieve plate 7, sieve plate frame 8, rotor 9, get rid of hammer 11, main shaft 12, flywheel 13, belt pulley 14 and adjusting device 15 and constitute.Upper machine body 1 places the top of lower body 6, upper machine body 1 and lower body 6 constitute the housing of fine crushers, the height of upper machine body 1 crusher chamber is the twice of the crusher chamber height of lower body 6, the crusher chamber of big volume helps prolonging time and the space that bulk materials is detained in crusher chamber, increase to hit and broken probability.Main shaft 12 is housed on the lower body 1, the two ends of main shaft 12 overhang in the outside of lower body 6, main shaft 12 overhangs and flywheel 13 and belt pulley 14 is housed on outside the two ends respectively, places on the main shaft 12 in the lower body 6 and is manufactured with a plurality of rotors 9, uniformly on each rotor 9 is equipped with three and gets rid of hammer 11; It is wing to get rid of being shaped as of hammer 11, guarantees with the best angle broken material, gets rid of hammer 11 and also can be made into shapes such as circle, square, ellipse.By sieve plate frame 8 sieve plate 7 is installed in the lower body 6, sieve plate 7 is circular-arc, places the bottom of getting rid of hammer 11, and sieve plate 7 bottoms are equipped with adjusting device 15, and the seam that is used to adjust sieve plate 7 is wide.Be fixed with counterpunch board 2 on the crusher chamber inwall of upper machine body 1, counterpunch board 2 is trapezoidal gullet plate, material movement and fragmentation are more had levels and selects, and the cabinet wall to upper machine body 1 shields simultaneously.Be fixed with the grid bar 3 at a row band inclination angle on the upper machine body 1 by grid bar mount pad 4 and pressing plate 5, the minimum spacing between the grid bar 3 is got rid of hammer 11 and is passed and be as the criterion allowing.The charging aperture of upper machine body 1 below and grid bar 3 close ends are provided with square steel 10, with the suffered impact of effective alleviation cabinet.

During the work of the fine crusher of this especially big ratio of reduction, exterior power drives main shafts 12 and flywheel 13 rotations by

belt pulley

14, and 13 on flywheel increases effect of inertia, and main shaft 12 drives the rotor 9 on it and gets rid of hammer 11 rotations.Material enters by the charging aperture of upper machine body 1, and grid bar 3 intercepts bulk materials on the top of grid bar 3, and piece material directly passes grid bar 3 and falls in the crusher chamber and impact fragmentation by getting rid of hammer 11 disposable finishing, and finishes process in small, broken bits after sieve plate filters.After the bulk materials that is blocked on grid bar 3 tops is then passed getting rid of hammer 11 and be broken into the granularity that can pass grid bar 3 earlier between the grid bar 3, fall in the crusher chamber by grid bar 3 again, significantly reduced the enormous impact power of bulk materials, effectively avoided traffic congestion and damage machine rotor and body.Material through after the fragmentations that circulate repeatedly such as hammering, counterattack, collision, friction, shearing, after discharging opening is discharged, is realized the single hop super fine crushing by 7 screenings of the sieve plate in the lower body 6 in crusher chamber; Therefore the fine crusher of this especially big ratio of reduction can put in place in disposable fragmentation, wants power saving 50% even more than conventional two-stage crushing, so energy consumption is very low, and the ratio of reduction can be up to more than 200.

Claims

1. the fine crusher of an especially big ratio of reduction, it is by upper machine body (1), counterpunch board (2), grid bar (3), grid bar mount pad (4), pressing plate (5), lower body (6), sieve plate (7), sieve plate frame (8), rotor (9), get rid of hammer (11), main shaft (12), flywheel (13), belt pulley (14) and adjusting device (15) constitute, it is characterized in that: upper machine body (1) places the top of lower body (6), main shaft (12) is housed on the lower body (6), the two ends of main shaft (12) overhang outside lower body (6), flywheel (13) and belt pulley (14) are housed respectively on the two ends that overhang, be manufactured with rotor (9) on the main shaft (12) in the lower body (6), each rotor (9) is gone up and uniformly is equipped with at least three and gets rid of hammer (11); By sieve plate frame (8) sieve plate (7) is installed in the lower body (6), sieve plate (7) places the bottom of getting rid of hammer (11), and sieve plate (7) bottom is equipped with adjusting device (15); Be fixed with counterpunch board (2) on the crusher chamber inwall of upper machine body (1), upper machine body (1) is gone up the grid bar (3) that is fixed with row's band inclination angle by grid bar mount pad (4) and pressing plate (5), and the minimum spacing between the two grid bars (3) can guarantee to get rid of hammer (11) and pass; The close end of the charging aperture below of upper machine body (1) and grid bar (3) is provided with square steel (10).