CN2577959Y

CN2577959Y - Powder screening crusher

Info

Publication number: CN2577959Y
Application number: CN 02262229
Authority: CN
Inventors: 崔文毅; 汤晓峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-09-20
Filing date: 2002-09-20
Publication date: 2003-10-08
Anticipated expiration: 2012-09-20

Abstract

The utility model relates to a powder screening crusher. The utility model is characterized in that the crusher is composed of a material distributor and a screening crusher, wherein, the material distributor is composed of a material collecting hopper (1) and a material pulling belt conveyer (2); the screening crusher is composed of a frame (6), a screen body (8), a finished product material belt conveyer (14) and a power transmission mechanism. The screen body (8) is connected to the frame (6) through shaft heads (7) and (11) on both ends, and the screening body (8) is a roller with screen meshes. The roller is fixed above a conveyor belt of the finished product material belt conveyer through the frame, and the screen meshes of the roller directly correspond to the conveyer belt of the finished product material belt conveyer which is fixed below the screen meshes. The screen body (8) is driven by the power mechanism to rotate through the shaft head (7). The inner part of a hollow cavity of the shaft head (11) is penetrated with a hollow rotating shaft (10), and a crushing cutter (9) is arranged on the rotating shaft (10). The utility model has the advantages of high work efficiency, low cost and less power consumption.

Description

A kind of dirt screening disintegrating apparatus

Affiliated field: the utility model relates to engineering foundation and builds construction machinery, and particularly a kind of dirt with the screening of material fragmentations such as the earthwork, calcium hydroxide sieves disintegrating apparatus.

Background technology: the dynamics of China's infrastructure construction in recent years constantly increases.In highway construction project, especially in the high-grade highway construction, to construction technology, the requirement of construction material is more and more stricter, and standard is also more and more higher.Only in the construction with regard to highway subgrade and stabilized zone, require that calcium hydroxide is carried out strictness and sieve, the oversize particle does not allow to use, and to cohesive soil or the yet necessary process screening of other soil property of hardening or broken, remove the oversize particle, so that the compound uniform mixing.And in the heavy construction construction, because quantities is big, the duration is tight, and means output such as traditional artificial screening, plane vibration sieve are little, pollutes greatly, can not satisfy construction requirements.Enterprise of the nineties domestic so far existing a few family in latter stage develops the machinery of several this respects, but result of use is not ideal enough.Such as: the patent No. 00254974.3 dirt disintegrating machine; The patent No. 00268076.9 soil breaking machine, their common feature are that the material of input is sheared, pushed by two groups of sheet cutters that rotate, and finished product material quality is better.Shortcoming is consumed power big (most is qualified particle in the material to be processed, and qualified particle has consumed most useless power by crushing mechanism the time), and output is little, when running into hard material such as stone, generally needs to shut down cleaning.The patent No. 00113807, toothed drum crusher is characterized in the input material by the pointed cutter head cutting on the crushing teeth drum of crushing chamber, exit grating spacing below the maximum particle diameter of finished product material depends on.Weak point also is that consumed power is big, the use cost height (with aforementioned two kinds of types as a same reason), can cause shutdown when running into hard material such as stone, need the labor cleaning, influenced the raising of output.The patent No.: 99203202.4 roller grinding screen extension sets, be a kind of machinery that collects screening and be broken for one, organization plan is more reasonable theoretically, use cost is low, shortcoming is: because of calcium hydroxide and soil all belong to cohesive material, the interlayer chamber of sieve nest easily makes the solid accumulation bonding, and discharging is not smooth, thereby has restricted the raising of output.In view of above reason, above-mentioned several types are failed to obtain large tracts of land and are promoted the use of.

Summary of the invention: the purpose of this utility model will provide dirt screening disintegrating apparatus exactly, and it is the energy-efficient machinery of one in screening back fragmentation earlier and the screening broken set, and it has overcome above-mentioned deficiency, the work efficiency height, and cost is low, and power consumption is little.

The technical solution of the utility model is: design a kind of dirt screening disintegrating apparatus, it is characterized in that: it is made up of proportioning machine and screening crusher, proportioning machine is by aggregate bin (1) and draws material belt feeder (2) to constitute, screening crusher is by frame (6), sieve nest (8) and finished product material belt conveyer (14), power drive mechanism is formed, sieve nest (8) is connected on the frame (6) by spindle nose (7) and (11) at two ends, sieve nest (8) is the cylinder that has sieve aperture, it is fixed on by frame above the conveyer belt of finished product material belt conveyer, and the sieve aperture of cylinder is directly corresponding with the conveyer belt of the finished product material belt conveyer that is fixed on its below.

Described sieve nest (8) drives rotation by actuating unit by spindle nose (7), placed hollow rotary shaft (10) in spindle nose (11) hollow cavity, broken cutter (9) is housed on the rotating shaft (10), sieve nest (8) front end has charging aperture (17) and draws material belt feeder (2) feed opening corresponding, and there is waste material mouth (13) sieve nest (8) rear end.

Described sieve nest (8) inner chamber lower shaft becomes 8 °～20 ° angles to outline line (16) with horizontal plane.Described hollow rotary shaft (10) also can be a solid shafting.Described broken cutter (9) also can be quartering hammer or broken rod.Described broken cutter (9), the gap is a change at random between the inwall of its cutter end (15) and sieve nest (8).Motor in the described power drive mechanism is a buncher, also can be reducing motor or hydraulic motor.On the bearing (5) that spindle nose (7) and (11) of described sieve nest (8) by two ends are connected frame (6).

Characteristics of the present utility model are: it is made up of proportioning machine and screening crusher two large divisions, and proportioning machine is by aggregate bin and draw the material belt feeder to form, and screening crusher is made up of sieve nest, broken cutter frame and finished product material belt conveyer.Sieve nest is fixed on the frame bearing by the spindle nose at two ends, and the driving of sieve nest is realized by motor and the reductor that is attached thereto by spindle nose.Placed hollow rotary shaft in the spindle nose hollow cavity of sieve nest two ends, the particle cutter be housed on the rotating shaft, rotating shaft by shaft coupling by Motor Drive.The front end of sieve nest has charging aperture, and there is waste outlet the rear end, and the sieve nest below is placed with finished product material belt conveyer.The sieve aperture of sieve nest is directly corresponding with the conveyer belt of the finished product material belt conveyer that is fixed on its below.Its course of work is as follows: material to be processed is pulled out and is delivered in the sieve nest charging aperture by drawing the material belt feeder in the aggregate bin, in sieve nest, overturn, fall, glide along wall, qualified material directly drops on the finished product material belt conveyor by sieve aperture need not knock cutting, the power and energy saving.Coarse fodder that can not be by sieve aperture drop with the knocking of broken cutter, shear action under broken, drop down onto on the finished product material belt conveyor through sieve aperture again, can not finally discharge from waste outlet by broken waste materials such as stone, finished product material belt conveyer is sent accept, and entire work process is finished rationally.Because its screening shattering process is to finish in a sealed space, has prevented environmental pollution effectively, power division is reasonable, high efficiency, and use cost is low, wide adaptability.The finished product material output of model machine can reach 350～400 tons/hour; 0.63 yuan/ton of finished product material integrated cost per ton; More manually reduce 65%, reduce 50%, reduce 40% than toothed drum crusher than the plane vibration sieve.

The utility model is described in further detail below in conjunction with the embodiment accompanying drawing.

The embodiment description of drawings: accompanying drawing 1 is the example structure schematic diagram.

Draw material belt feeder (2) that material is pulled out from aggregate bin (1) in sieve nest (8) charging aperture (17) of delivering to screening crusher.Sieve nest (8) is supported on the bearing (5) of frame (6) by spindle nose (7) and (11).Sieve nest (8) inner chamber lower shaft becomes 16 ° of angles to outline line (16) with horizontal plane.Broken cutter (9), the gap is a change at random between the inwall of its cutter end (15) and sieve nest (8).Sieve nest (8) drives rotation by motor (3) and reductor (4) material is sieved.Qualified material screen leaks down and transports on finished product material belt feeder (14), coarse fodder is with the rotation of sieve nest (8), upset is glided, fragmentation is carried out in working region to broken cutter (9), broken cutter (9) is contained on the rotating shaft (10), rotating shaft (10) is set in the inner chamber of spindle nose (11) of sieve nest (8), rotate by drive motors (12) driven rotary axle, the accept that is broken sieves through sieve nest (8) once more, to finished product material belt feeder (14), stone that can not be broken, brick etc. are discharged from waste material mouth (13).Seal closure (18) is whole sieve nest (8) sealing, prevents from that airborne dust and material from splashing to hurt sb.'s feelings.

The utility model is a kind of screening crusher tool that aims at foundation construction and design.Be characterized in that the material screen branch that need not break earlier goes down, broken more remaining material, and the screening fragmentation concentrates in the sieve nest, totally be to be made of proportioning machine and screening crusher two large divisions, sieve nest is placed on the frame by the two ends spindle nose, and dead axle rotates, place rotating shaft in the sieve nest with broken cutter, broken cutter cutter end and sieve nest inwall spacing change at random, sieve nest and broken rotating shaft are distinguished reverse driving by motor, sift out material and directly drop on the finished product material belt conveyer and send.This machine is finished in airtight device, and the effect height pollutes for a short time, and power saving economizes merit, is the desirable foundation construction screening machine special for pulverizing tool with material.

Claims

1, a kind of dirt screening disintegrating apparatus, it is characterized in that: it is made up of proportioning machine and screening crusher, proportioning machine is by aggregate bin (1) and draws material belt feeder (2) to constitute, screening crusher is by frame (6), sieve nest (8) and finished product material belt conveyer (14), power drive mechanism is formed, sieve nest (8) is connected on the frame (6) by spindle nose (7) and (11) at two ends, sieve nest (8) is the cylinder that has sieve aperture, it is fixed on by frame above the conveyer belt of finished product material belt conveyer, and the sieve aperture of cylinder is directly corresponding with the conveyer belt of the finished product material belt conveyer that is fixed on its below.

2, a kind of dirt screening disintegrating apparatus according to claim 1, it is characterized in that: described sieve nest (8) drives rotation by actuating unit by spindle nose (7), placed hollow rotary shaft (10) in spindle nose (11) hollow cavity, broken cutter (9) is housed on the rotating shaft (10), sieve nest (8) front end has charging aperture (17) and draws material belt feeder (2) feed opening corresponding, and there is waste material mouth (13) sieve nest (8) rear end.

3, a kind of dirt screening disintegrating apparatus according to claim 1, it is characterized in that: described sieve nest (8) inner chamber lower shaft becomes 8 °～20 ° angles to outline line (16) with horizontal plane.

4, a kind of dirt screening disintegrating apparatus according to claim 1, it is characterized in that: described hollow rotary shaft (10) also can be a solid shafting.

5, a kind of dirt screening disintegrating apparatus according to claim 1, it is characterized in that: described broken cutter (9) also can be quartering hammer or broken rod.

6, a kind of dirt screening disintegrating apparatus according to claim 1, it is characterized in that: broken cutter (9), the gap is a change at random between the inwall of its cutter end (15) and sieve nest (8).

7, a kind of dirt screening disintegrating apparatus according to claim 1, it is characterized in that: the motor in the described power drive mechanism is a buncher, also can be reducing motor or hydraulic motor.

8, a kind of dirt screening disintegrating apparatus according to claim 1 is characterized in that: on the bearing (5) that spindle nose (7) and (11) of described sieve nest (8) by two ends are connected frame (6).