CN2536297Y

CN2536297Y - Hammer pulverizers

Info

Publication number: CN2536297Y
Application number: CN 02215864
Authority: CN
Inventors: 王鹏; 陈亚东
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-02-25
Filing date: 2002-02-25
Publication date: 2003-02-19
Anticipated expiration: 2012-02-25

Abstract

The utility model discloses a hammer mill, and is characterized in that an intake screen is arranged in a casing, at least two disks are mounted on a main shaft, hammer handles are mounted in the disks and are connected with hammerheads, a regulating device is arranged at the position at which the casing is close to a striking plate, because the utility model provides a feeding screen which is arranged at a feed inlet which is arranged in the casing, the qualified materials can be discharged from an airframe without entering a machine cavity, thereby reducing abrasion of internal elements and extending service life of the hammerheads and the like, the arranged hammerheads are connected with the hammer handles, and the hammerheads can be u-turned for use, thereby lowering utilization cost, the arranged regulating device can conveniently regulate the gap between the striking plate and the hammerheads and the gap between the a screen plate and the hammerheads, which effectively controls the discharge granularity.

Description

A kind of hammer mill

Technical field:

The utility model relates to the technical field of disintegrating apparatus, specifically a kind ofly is mainly used in cement, building materials, builds the road, the disintegrating machine of coal separation, mining, metallurgy, chemical industry and refractory material.

Background technology:

Present disintegrating machine mostly comprises housing, motor, the output shaft of motor is connected with belt pulley, belt pulley is connected with main shaft by belt, this main shaft is connected with bearing and passes housing, be provided with charging aperture near the housing upper end, in housing, be provided with counterpunch board, beater plate, install some tups at disk, this tup is fixedlyed connected with hammer handle, be to need tup is changed with hammer handle after the tup wearing and tearing on the one hand, tup can not be in a kind of freely-suspended state on the other hand, and the gap between tup and the beater plate can not be regulated in addition, and the material that causes some to be broken does not reach required granularity.

Summary of the invention:

The purpose of this utility model is to provide a kind of improved hammer mill, and it can overcome some shortcomings of the prior art.

To achieve these goals, the technical solution of the utility model is: a kind of hammer mill, it mainly comprises housing, motor, the output shaft of motor is connected with belt pulley, belt pulley is connected with main shaft by belt, this main shaft is connected with bearing and passes housing, be provided with charging aperture near the housing upper end, in housing, be provided with counterpunch board, beater plate, crossbeam and sieve plate are provided with disk on main shaft, it is characterized in that: be provided with the import sieve in housing, at main shaft two disks are housed at least, disk is equipped with hammer handle, and tup is connected with hammer handle, is provided with adjusting device at housing near the beater plate place.

The utility model makes qualified material not enter the machine chamber and just discharges body because the charging aperture place in housing is provided with feeder screen, reduces wear thereby reduce internals, and the tup equivalent life is prolonged, and the tup of setting is connected with hammer handle.Tup and can reverse end for end to use, thereby reduced use cost, the adjusting device that is provided with, can regulate crack between beater plate and tup gap and sieve plate and the tup easily, controlled discharging-material size effectively, characteristics such as the utility model also has little, the light weight of volume, is convenient to install, and floor space is few and simple in structure, the ratio of reduction is big, product granularity is even and little, production capacity is high, energy consumption is low.

Description of drawings:

Fig. 1 is the structural representation of the utility model one embodiment

Fig. 2 is the sectional view of Fig. 1

Fig. 3 is the tup schematic diagram among Fig. 1

Fig. 4 is the adjusting device schematic diagram among Fig. 1

The specific embodiment:

The utility model will be further described below in conjunction with drawings and Examples.

This disintegrating machine is single rotor, many rows, unidirectional type hammer mill, and the main working parts of this disintegrating machine is the rotor that has tup, and rotor is made up of main shaft, disk, bearing pin, hammer handle and tup etc.The motor drives rotor is rotation at a high speed in crusher chamber, material enters in the machine from the top material inlet, be subjected to the strike, impact, shearing, abrasive action of the tup of high-speed motion and fragmentation, be provided with counterpunch board on rotor top, the rotor rear portion is provided with beater plate, and the rotor bottom is provided with sieve plate, grade less than screen size in the comminuting matter is discharged by sieve plate, the coarse fraction detention continues to be subjected to the strike and the grinding of tup on sieve plate, discharge by sieve plate at last, and its shattering process is divided into A; Impact grinding: 1, Yun Dong working body is to the impact of material; 2, the material of high-speed motion impacts to fixing working face; 3, the material of high-speed motion impacts mutually; 4, the working body of high-speed motion impacts to unsettled material; Material be hit power effect and fragmentation, its crushing force is moment, and its crushing efficiency is high, and the ratio of reduction is big, and energy consumption consumption is few.B; Grind broken: after being subjected to certain pressure and shearing force effect between the working face of material and motion, material was just pulverized when its shear stress reached the shear strength limit of material, or material fricting shearing each other, ablation and make material pulverize the utility model mainly to comprise housing 10, motor, the output shaft of motor is connected with belt pulley 6, belt pulley 6 is connected with main shaft 1 by belt, this main shaft 1 is connected with bearing 7 and passes housing 10, be provided with charging aperture 11 near housing 10 upper ends, in housing 10, be provided with counterpunch board 13, beater plate 14, crossbeam 15 and sieve plate 16, on main shaft 1, be provided with disk 2, it is different from prior art and is: be provided with import sieve 12 in housing 10, at main shaft 1 two disks 2 are housed at least, present embodiment is equipped with 4 disks 2 at main shaft, disk 2 is equipped with hammer handle 3, tup 4 is connected with hammer handle 3, at least be provided with two pin-and-holes in outer rim in the enforcement near disk 2, adopt bearing pin 5 that hammer handle 3 and tup 4 are hinged between the disk 2, tup can also reverse end for end to use, therefore, improved the resistance to abrasion of tup in one's water breaks mud grog biglyyer, overcome common grinder hammerhead phenomenon of rupture, owing to be freely to hang, tup outwards opens when driven by motor belt pulley 6 runs up, when running into difficulty and mince part, can turn round along bearing pin, thereby avoid parts to damage, play protective effect, two ends of rotor is bearing on the rolling self-aligning bearing 7, and bearing block is fixed by bolts on the housing bearing; Be provided with adjusting device 18 at housing 10 near beater plate 14 places, this adjusting device is similar to the adjusting bolt in the enforcement, be provided with hole 17 at the one end, this end of bolt is fixedlyed connected with an adjustable plate, adjustable plate is fixedlyed connected with beater plate, the other end of regulating bolt is provided with screw thread, this end is connected with housing, adopt nut to screw or unscrew the adjusting bolt and can regulate beater plate and tup gap easily, in order to protect housing 10, present embodiment is provided with interior lining panel 9 in housing 10, belt pulley connects transmission with motor with several V-belts, in order to make the rotor running steadily, the other end at main shaft is equipped with flywheel 8, this flywheel is similar to belt pulley, plays balanced action on the one hand, can make things convenient for user installation on the other hand; Interior lining panel 9 all is fixed by bolts on the housing 10; play a part the protection housing; housing all forms with the all-position welding of Fine Steel Casting iron plate; by last; following two parts are formed; each parts links into an integrated entity with bolt; the sieve plate of this disintegrating machine; interior lining panel is made by high alloy; tup adopts the casting of multielement high alloy, and housing cover all can all be opened, and is convenient to change sieve plate; tup etc. and convenient for maintaining; rotor integral body is all done; static balancing test; qualified can the installation, adjusting device is all carried out outside machine, according to each component wear situation; can regulate tup and beater plate; crack between tup and the sieve plate; reasonably use adjusting device, material can be controlled at below d80＜3-5mm effectively, wherein 70-80% is powdery; the lower end of housing is the opening shape, is provided with sieve plate 16 in the lower end near housing.

Send into charging aperture 11 when material equably by lifting or conveyer belt and enter body, spontaneous current is through import sieve 12, qualified material just can directly be discharged without hitting, thereby the wearing and tearing of each parts have been reduced, the oversize material is advanced in the housing before continuing, run into the strong strike of tup of high-speed motion immediately, material launches to counterpunch board at a high speed under free state, reflect again by counterpunch board, the material shuttle flight of intensive high speed, make between the material of different headings and collide, hit, friction, material is constantly cracked along its fragile face, thereby reaches crushing effect efficiently; Material is motion backward rapidly under the tup effect of high-speed motion, material delivered to beater plate 14 and be placed in 16 on monoblock cast circular arc discharging sieve plate on the crossbeam 15, thick slightly material is by pushing, shear, grind fragmentation apart from dwindling gradually between beater plate and tup, sieve plate and the tup external arc, just can all discharge until qualified, be transported to material storehouse and next procedure by elevator or conveyer belt.

The utility model is applicable to that broken fragility, middle hardness, surperficial moisture content are no more than 2%, water content is less than 15%, compression strength is no more than the various materials of 150Mpa, is widely used in coal, metallurgy, building materials, mine, builds the road, broken or in small, broken bits as raw materials such as coal, gangue, lime stone, shale, feldspar, clinker, limonite ore etc. and industrial chemicals gypsum, coke, salt, sulphur, rocks phosphate in powder in the departments such as electric power, chemical industry, cement, refractory material.This machine is specially adapted to two, three grades of fragmentations of lime stone in the manufacture of cement, the I and II fragmentation of grog.

Claims

1, a kind of hammer mill, it mainly comprises housing, motor, the output shaft of motor is connected with belt pulley, belt pulley is connected with main shaft by belt, this main shaft is connected with bearing and passes housing, be provided with charging aperture near the housing upper end, in housing, be provided with counterpunch board, beater plate, crossbeam and sieve plate, on main shaft, be provided with disk, it is characterized in that: be provided with the import sieve in housing, at main shaft two disks be housed at least, disk is equipped with hammer handle, tup is connected with hammer handle, is provided with adjusting device at housing near the beater plate place.

2, by the described a kind of hammer mill of claim 1, it is characterized in that: be provided with two pin-and-holes at least in outer rim, adopt bearing pin that hammer handle and tup are hinged between the disk near disk.

3, by claim 1 or 2 described a kind of hammer mills, it is characterized in that: in housing, be provided with interior lining panel.

4, by claim 1 or 2 described a kind of hammer mills, it is characterized in that: flywheel is housed at the other end near main shaft.