CN201333414Y

CN201333414Y - Crusher

Info

Publication number: CN201333414Y
Application number: CNU2008202296062U
Authority: CN
Inventors: 魏垂楼
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-12-30
Filing date: 2008-12-30
Publication date: 2009-10-28
Anticipated expiration: 2018-12-30

Abstract

The utility model discloses a crusher, which comprises an attack mechanism, a counterattack plate and a sieve plate. The attack mechanism comprises a transmission shaft, a rotor, an attack hammer; a feed inlet is arranged on the diagonal upper side of the attach mechanism, the counterattack plate is arranged on the inner wall of a machine frame and is formed by connecting a plurality of tooth-shaped plates, and the tooth-shaped plates are arranged above the attack mechanism and on one side keeping away from the feed inlet; and the distance between the first tooth-shaped plate and the most upper end of the rotation trace of the attack hammer is 0.7 to 1.6 times of the width of the feed inlet, the starting point position of the first tooth-shaped plate forms an angle of 4 to 20 degrees in horizontal direction, and the first tooth-shaped plate forms an angle of 140 to 172 degrees with the second tooth-shaped plate. In whole course of crushing, the attack hammer and the counterattack plate only and instantaneously contact the materials to be shattered, and crushing the great mass of materials is completed through the mutual clash between the materials, and therefore, the wear of the attack mechanism, the counterattack plate and the sieve plate is small so as to prolong the service life thereof. The crusher has large ratio of crushing of above 40 to 1 and can crush large materials into the materials of granularity below 24 to 3mm only one time; and compared with a hammer impact crusher, the crusher saves energy above 30 percent and improves efficiency of crushing above thirty percent.

Description

A kind of disintegrating machine

Technical field:

The utility model relates to a kind of crushing mechanism.

Background technology:

Chinese patent CN2459080Y discloses a kind of structure of counter beating hammer type disintegrator, this disintegrating machine mainly by power transmission shaft, rotor, impact hammer, semicircle upper guard board, sieve plate, charging aperture are formed down, being provided with the cross section on semicircle upper guard board inwall is trapezoidal counterpunch board, and its charging aperture is located at the disintegrating machine following side.It is to utilize the reaction force of the active force impact hammer and counterpunch board to do work to smash building stones, promptly the tup by rotation at a high speed hits material, material is tentatively smashed, and high speed hits counterpunch board, broken once more under the reaction force of counterpunch board, and on the tup that rebounds, hit broken circulation shattering process once more by tup.When the material particle size after cracking reached requirement, by sieve plate discharging down, and granularity did not reach the material of requirement, constantly is accumulated in down on the sieve plate, further ground by the continuous fierce friction between tup, material, the following sieve plate three.There are the following problems for this disintegrating machine: the fragmentation of (1) material is by the repeatedly strike of tup and counterpunch board impact crushing repeatedly, and the required power of machine is bigger, simultaneously, tup, counterpunch board, the contact frequency height of sieve plate and material down, wearing and tearing are comparatively fast; (2) ratio of reduction is on the low side; (3) crushing efficiency is not high enough; (4) can not adjust the broken granule size of material afterwards.

Summary of the invention:

The utility model is intended to overcome above-mentioned defective, and the disintegrating machine that a kind of ratio of reduction is big, crushing efficiency is high, energy consumption is low is provided.

The technical solution adopted in the utility model is: a kind of disintegrating machine, comprise frame, power drive mechanism, hit agency, counterpunch board, charging aperture, sieve plate, hit agency comprises power transmission shaft, rotor, impact hammer, it is characterized in that: charging aperture is positioned at the oblique upper of hit agency, counterpunch board is arranged on the inwall of frame, for the polylith castellated plates connects to form, be positioned at the top of hit agency and away from a side of charging aperture, first castellated plates and the distance that impacts between the top of hammer rotational trajectory are 0.7～1.6 times of charging aperture width, the start position of first castellated plates and horizontal direction are 4 °～20 ° angles, and first castellated plates and second castellated plates are 140 °～172 ° angles.

The vertical range at the center of the minimum point of charging aperture and hit agency is 0.25～0.85 times of the maximum radius of turn of tup on the described frame.

Described last piece castellated plates is positioned at the side of frame inner chamber away from charging aperture, is the adjustable tooth plate that can move forward and backward.

The position of described adjustable tooth plate is to regulate by spring, bolt, nut, the upper and lower end face of adjustable tooth plate is linked in the rectangular guideway groove of correspondence position on the frame movingly, transversely uniform a plurality of stepped holes of adjustable tooth plate, the front end of a plurality of bolts passes stepped hole and adjustable tooth plate is fixed, be equipped with spring on the every bolt, spring one end touches mutually with the rear end face of adjustable tooth plate, and the rear end of bolt is fixed on the correspondence position of frame by nut, and spring is compressive state.

The length of described first castellated plates is 0.65～1.2 times of the maximum radius of turn of tup.

The length of described second castellated plates is 0.5～0.95 times of the maximum radius of turn of tup.

The beneficial effects of the utility model are: (one) is owing to hard-wired counterpunch board on the frame inner wall is that the polylith castellated plates is formed by connecting by certain angle, form a bigger crusher chamber between counterpunch board and the hit agency, treat that broken big material enters the back weight head that is rotated at a high speed from charging aperture and smashes for the first time, obtain very large kinetic energy, smashed once more on the profile of tooth counterpunch board along impacting the direction high-speed impact, and under the effect of profile of tooth counterpunch board setting angle the change of flight direction, make the material fragment that bump mutually take place in crusher chamber continuously, and further pulverized, when trending towards zero, its kinetic energy falls, this moment, the granularity of material became very little, smashed by weight or the castellated plates that is positioned on the frame madial wall once more, thereby make material reach required particle size after cracking.Therefore, in whole shattering process, tup, counterpunch board have only moment to contact with broken material, time of contact is extremely short, and most fragmentation is to finish by the mutual bump between the material, and sieve plate participates in fragmentation hardly, so it is little to impact the wearing and tearing of hammer, counterpunch board, sieve plate, long service life.(2) by adjusting the distance of adjustable tooth plate and tup, can regulate the final particle size after cracking size of material; If the compression spring has big elastic force, makes adjustable tooth plate be the rigidity state basically, its role is to keep elastic yield to make tup be unlikely to be broken when having hard object mistake to fall into wherein.(3) have the very big ratio of reduction, surpass 40: 1, can be with the disposable granularity that is crushed to below 24～3mm of big material.(4) crushing efficiency height, energy loss is little, compares with the hammer impact crusher, and is energy-conservation more than 40%, and crushing efficiency improves more than 30%.(5) simple in structure, maintenance and replacing consumable accessory are convenient.(6) the material scope of adaptation fragmentation is wide, as various ores (metallic ore, nonmetallic ore), rock, slag, clinker, coal and gangue, concrete, refractory material etc.

Description of drawings:

Fig. 1 is a structural representation of the present utility model.

The specific embodiment:

As shown in Figure 1, the utility model comprises frame, hit agency, counterpunch board, charging aperture 1, sieve plate 12, and frame is made up of upper shell 6, lower house 13, and the upper and lower shell intracoelomic cavity is equipped with protection liner plate 2.Hit agency comprises power transmission shaft 16, rotor 15, impacts hammer 5, impacting hammer 5 is contained on the rotor 15 by hammer pin 14, and can do the swing of certain limit around hammering pin 14 into shape, a plurality of hammers 5 that impact are housed on the whole rotor, be staggered mutually, motor drives power transmission shaft 16 by transmission mechanism and rotates with the rotor 15 that is packed on the power transmission shaft 16, makes the impacting hammer 5 that is sleeved on the rotor 15 do to rotate at a high speed.Whole rotor part is packed in by bearing, bearing block on the bearing of lower house 13 of frame.Lower house 13 inner chambers are equipped with one group of arc screening plate 12, and the material after the fragmentation is discharged from the bottom of lower house 13 by sieve plate 12.Charging aperture 1 is positioned at the oblique upper of hit agency, and the vertical range h of the minimum point of charging aperture and hit agency central point is 0.25～0.85 times of the maximum radius of turn R of tup.Counterpunch board is arranged on the inwall of frame upper shell, be that five castellated plates 4 connect to form, be positioned at the top of hit agency and away from a side of charging aperture, first castellated plates and to impact between the top of hammer rotational trajectory be 0.7～1.6 times of charging aperture width H apart from S, the start position of first castellated plates and horizontal direction angulation α are 4 °～20 °, the length L 1 of first castellated plates is 0.65～1.2 times of the maximum radius of turn R of tup, the length L 2 of second castellated plates is 0.5～0.95 times of the maximum radius of turn R of tup, with first castellated plates angulation β be 140 °～172 °.Last piece castellated plates is positioned on the side of frame upper shell inner chamber away from charging aperture, vertically be provided with, be the adjustable tooth plate 7 that can move forward and backward, adjustable tooth plate is cuboid, the lower surface and the equal length with it of the 4th castellated plates is close in the upper surface, but thickness is thicker than the thickness of the 4th castellated plates, the upper and lower end face of adjustable tooth plate 7 is linked in the rectangular guideway groove 8 of correspondence position on the frame upper shell 6 movingly, transversely uniform a plurality of stepped holes of adjustable tooth plate 7, the front end of a plurality of bolts 9 passes stepped hole and adjustable tooth plate 7 is fixing, be equipped with spring 10 on the every bolt 9, spring 10 1 ends touch mutually with the rear end face of adjustable tooth plate 7, the rear end of bolt 9 is fixed on by nut 11 on the correspondence position of frame, and spring 10 is compressive state.By rotating nut 11, can adjust the distance between adjustable tooth plate 7 and the tup 5.When requiring particle size after cracking to diminish, unclamp nut 11, the translation forward under the effect of compression spring 10 elastic forces of adjustable tooth plate 7 is dwindled adjustable tooth plate 7 and the spacing that impacts the hammer tup, then reaches the purpose that particle size after cracking diminishes, otherwise then becomes big.

Run into the moment of the weight head of rotation at a high speed when treating that broken big material enters from charging aperture, smashed for the first time by the weight head, because the effect of impact of the huge kinetic energy of weight head, material after being crashed to pieces obtains very large kinetic energy simultaneously, along impacting the direction high-speed impact on the counterpunch board 4 that has profile of tooth, moment is smashed material once more, and under the effect of profile of tooth counterpunch board 4 setting angles, make material change of flight direction, high-speed flight on the different direction in crusher chamber 3, generation is continuously clashed into mutually and further is crashed to pieces, when its kinetic energy trends towards zero, fall tup and hit district or adjustable tooth plate 7 intervals, smashed by weight head and adjustable tooth plate 7 once more, finally make material reach required particle size after cracking, discharge from the bottom of lower house 13 by sieve plate 12.When allowing the particle size after cracking scope big, also can not adorn sieve plate 12.

Claims

1, a kind of disintegrating machine, comprise frame, power drive mechanism, hit agency, counterpunch board, charging aperture, sieve plate, hit agency comprises power transmission shaft, rotor, impact hammer, it is characterized in that: charging aperture is positioned at the oblique upper of hit agency, counterpunch board is arranged on the inwall of frame, for the polylith castellated plates connects to form, be positioned at the top of hit agency and away from a side of charging aperture, first castellated plates and the distance that impacts between the top of hammer rotational trajectory are 0.7～1.6 times of charging aperture width, the start position of first castellated plates and horizontal direction are 4 °～20 ° angles, and first castellated plates and second castellated plates are 140 °～172 ° angles.

2, disintegrating machine according to claim 1 is characterized in that: described last piece castellated plates is positioned at the side of frame inner chamber away from charging aperture, is the adjustable tooth plate that can move forward and backward.

3, disintegrating machine according to claim 1 and 2 is characterized in that: the vertical range at the center of the minimum point of charging aperture and hit agency is 0.25～0.85 times of the maximum radius of turn of tup on the described frame.

4, disintegrating machine according to claim 2, it is characterized in that: the position of described adjustable tooth plate is to regulate by spring, bolt, nut, the upper and lower end face of adjustable tooth plate is linked in the rectangular guideway groove of correspondence position on the frame movingly, transversely uniform a plurality of stepped holes of adjustable tooth plate, the front end of a plurality of bolts passes stepped hole and adjustable tooth plate is fixed, be equipped with spring on the every bolt, spring one end touches mutually with the rear end face of adjustable tooth plate, the rear end of bolt is fixed on the correspondence position of frame by nut, and spring is compressive state.

5, disintegrating machine according to claim 1 and 2 is characterized in that: the length of described first castellated plates is 0.65～1.2 times of the maximum radius of turn of tup.

6, disintegrating machine according to claim 1 and 2 is characterized in that: the length of described second castellated plates is 0.5～0.95 times of the maximum radius of turn of tup.