CN105413811A

CN105413811A - Multistage crusher

Info

Publication number: CN105413811A
Application number: CN201610000727.9A
Authority: CN
Inventors: 李新中; 李健
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-04
Filing date: 2016-01-04
Publication date: 2016-03-23

Abstract

The invention discloses a multistage crusher. The multistage crusher comprises a barrel-shaped shell, a feed opening is formed in the upper end of the shell, a discharge opening is formed in the lower end of the shell, the inner wall of the shell is provided with a lining plate, the lining plate is provided with multiple layers of annular partition plates, a crushing cavity only with the inner annular face opened is formed by the two adjacent partition plates and the lining plate in an enclosure mode, and at least one baffle is vertically arranged in each crushing cavity; a central rotating shaft extending up and down is installed in the shell, a rotating shaft sleeve or a hammer disc which coaxially rotates with the central rotating shaft is arranged on the central rotating shaft in a sleeving mode, hammering heads are installed on the rotating shaft sleeve or the hammer disc, each hammering head extends into the corresponding crushing cavity, and the crushing cavity on each layer at least corresponds to one hammering head; the hammering heads hit materials into the crushing cavities, the materials impact with the lining plate, the partition plates and the baffles in the crushing cavities, and meanwhile the materials mutually impact for crushing; the crushed materials enter the crushing cavity on the next layer for another time impacting till the materials are discharged out of the discharge opening. The phenomenon that the materials are in the crushing cavity on the same layer and do not fall into the crushing cavity on the next layer along with movement of the hammering heads is avoided.

Description

A kind of Multi-stage crusher

Technical field

The present invention relates to a kind of standing crusher for carrying out multistage super fine crushing to sandstone, ore etc.

Background technology

In mining industry, people adopt disintegrating machine to carry out micronization processes to oversize rock material or ore etc.For iron ore, ore after exploitation needs, through two sections to four sections disintegrating machines and one section of process to three sections of ball mills, just reaching discharging requirement, needing through sieving closed circuit after fragmentation, filter out those ores that particle diameter is excessive in this fragmentation, and return again broken; The satisfactory ore of particle diameter then delivers to next section of disintegrating machine with conveyer belt or ball mill processes.Existing crushing process is complicated, equipment is various has caused that the cost of whole fragmentation and process of lapping is large, operation energy consumption is high, and occupation area of equipment is large, and sieving and mostly being open work in course of conveying at building stones, has certain destructiveness to surrounding environment.

For this problem, applicant proposes a kind of vertical multi-stage disintegrating machine in the Chinese patent of 2013204068201, in this section of patent, disintegrating machine comprises rotating shaft and wears the housing outside rotating shaft, the circumferential surface of rotating shaft is arranged several hammering heads, case inside arranges multilayer insulating panel, it is the crusher chamber of material between dividing plate, material is hit by hammering head, material and inner walls is made to clash into fragmentation, mutually clash between material and carry out fragmentation, the material after last layer dividing plate clashes into falls into lower one deck, repeatedly carries out fragmentation.In use, researcher finds, material within the same layer along with the motion of hammering head, and can not fall into lower one deck, and cause solid accumulation, crushing efficiency declines.

Summary of the invention

For problems of the prior art, the object of the present invention is to provide a kind of Multi-stage crusher that can increase crushing efficiency, avoid occurring that material can not fall into the phenomenon of lower floor's crusher chamber in the crusher chamber of same layer along with conehead motion.

To achieve these goals, a kind of Multi-stage crusher of the present invention, this disintegrating machine comprises tubular shell, the upper end of described housing is provided with charging aperture, the lower end of housing is provided with discharging opening, and the inwall of housing is coated with liner plate, described liner plate is provided with the multi-layer annular dividing plate extended internally, two adjacent described dividing plates and liner plate surround a crusher chamber only having inner ring surface open, are vertically provided with at least one baffle plate in described crusher chamber; The central rotating shaft of downward-extension is installed in housing, described central rotating shaft is equipped with rotating shaft cover or the hammer dish of coaxial rotation, described rotating shaft cover or hammer dish are provided with hammering head, and described hammering head stretches in described crusher chamber, every layer of at least corresponding hammering head of crusher chamber; Material is squeezed in crusher chamber by hammering head, and material clashes into liner plate, dividing plate and baffle plate in crusher chamber, and mutually clash between material simultaneously and carry out fragmentation, the material after fragmentation falls into lower one deck crusher chamber and again clashes into, until drop out from described discharging opening.

Further, between two adjacent described dividing plates, arrange the stepped plate of the annular that at least one extends internally, described stepped plate length is in the axial direction less than dividing plate.

Further, inwardly described baffle plate is not exceeded in the axial direction at described stepped plate.

Further, when only arranging a described stepped plate, the medium position of stepped plate between upper and lower two described dividing plates; When arranging plural described stepped plate, stepped plate is equidistantly arranged between upper and lower two dividing plates.

Further, described hammering head is staggered from top to bottom on described rotating shaft cover.

Further, neighbouring hammering head is staggered into helical arrangement.

Multi-stage crusher of the present invention arranges baffle plate crusher chamber cut off in every layer of crusher chamber, stops in the circumferential, adds the collision of material and baffle plate, prevent material from following hammering head simultaneously and always move in same layer crusher chamber material; Set up stepped plate to make a point multilayer to accumulate more material in crusher chamber, for the shock between material provides more multimachine meeting.

Accompanying drawing explanation

Fig. 1 is the structural representation of Multi-stage crusher of the present invention;

Fig. 2 is the schematic diagram of the first structure of crusher chamber 7;

Fig. 3 is the schematic diagram of the second structure of crusher chamber 7.

Detailed description of the invention

Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.

Be the first specific embodiment of Multi-stage crusher of the present invention as depicted in figs. 1 and 2, disintegrating machine comprises tubular shell 1, the upper end of housing 1 is provided with charging aperture 5, the lower end of housing 1 is provided with discharging opening, housing 1 lower end adopts open without grate type discharging opening in the present embodiment, the inwall of housing 1 is coated with one deck liner plate 8, the multi-layer annular dividing plate 6 that level that liner plate 8 is provided with extends internally, adjacent two dividing plates 6 and liner plate 8 surround a crusher chamber 7 only having inner ring surface open, are vertically provided with at least one baffle plate 10 in crusher chamber 7; The central rotating shaft 2 of downward-extension is installed in housing 1, the upper end of central rotating shaft 2 is connected with providing the motor of rotary power for it, the lower end of rotating shaft 2, by the rood beam of housing 1 lower end, a word beam or many joist support holders, so neither affects discharging, also can provide support for rotating shaft 2.Rotating shaft 2 periphery is arranged rotating shaft cover 3 or the hammer dish of a coaxial rotation, rotating shaft cover 3 or hammer dish are connected with hammering 4, hammering 4 is staggered from top to bottom, in the present embodiment, the hammering 4 at 180 degree, two intervals is set in every layer of crusher chamber 7 correspondence, hammering 4 staggered 90 degree of settings often two-layer up and down.

In use, first what broken and central rotating shaft 2 rotating speed is needed by according to selecting the requirement of discharging, as selected 7 grades of fragmentations in the present embodiment, namely 7 layers of hammering, 4 and 7 layers of crusher chamber 7 are had, material is sent in disintegrating machine by charging aperture 5, an atwirl hammering 4 impact material, and material is squeezed in crusher chamber 7, material and liner plate 8, dividing plate 6 and baffle plate 10 clash into be pulverized, enter also mutually to clash into pulverizing between material and accumulation material 9 with stylish, after clashing into, material enters lower one deck under the effect of himself gravity, squeezed in crusher chamber 7 by hammering 4 again, discharged by discharging opening through the multistage material of shock repeatedly, complete shattering process.Material after entering disintegrating machine through the impact of hammering 4, all can crushing effect be obtained with the shock of liner plate 8 and mutual shock.

Be illustrated in figure 3 the second specific embodiment of Multi-stage crusher of the present invention, compared with the first specific embodiment, the structure of disintegrating machine is substantially identical, difference is, the stepped plate 11 of the annular that extends internally is set between two adjacent dividing plates 6, the medium position of stepped plate 11 between upper and lower two dividing plates 6, stepped plate 11 length is in the axial direction less than dividing plate 6, and stepped plate 11 does not upwards inwardly exceed baffle plate 10.

Set up stepped plate 11 to make two-layer acquisition can be divided more to accumulate material 9, for the shock between material provides more multimachine meeting in crusher chamber 7.

Above-mentioned example is just for illustration of the present invention, and embodiments of the present invention are not limited to these examples, and what those skilled in the art made meets the various detailed description of the invention of inventive concept all within protection scope of the present invention.

Claims

1. a Multi-stage crusher, it is characterized in that, this disintegrating machine comprises tubular shell, the upper end of described housing is provided with charging aperture, the lower end of housing is provided with discharging opening, and the inwall of housing is coated with liner plate, described liner plate is provided with the multi-layer annular dividing plate extended internally, two adjacent described dividing plates and liner plate surround a crusher chamber only having inner ring surface open, are vertically provided with at least one baffle plate in described crusher chamber; The central rotating shaft of downward-extension is installed in housing, described central rotating shaft is equipped with rotating shaft cover or the hammer dish of coaxial rotation, described rotating shaft cover or hammer dish are provided with hammering head, and described hammering head stretches in described crusher chamber, every layer of at least corresponding hammering head of crusher chamber; Material is squeezed in crusher chamber by hammering head, and material clashes into liner plate, dividing plate and baffle plate in crusher chamber, and mutually clash between material simultaneously and carry out fragmentation, the material after fragmentation falls into lower one deck crusher chamber and again clashes into, until drop out from described discharging opening.

2. Multi-stage crusher as claimed in claim 1, is characterized in that, between two adjacent described dividing plates, arrange the stepped plate of the annular that at least one extends internally, described stepped plate length is in the axial direction less than dividing plate.

3. Multi-stage crusher as claimed in claim 2, is characterized in that, inwardly not exceed described baffle plate in the axial direction at described stepped plate.

4. Multi-stage crusher as claimed in claim 2, is characterized in that, when only arranging a described stepped plate, and the medium position of stepped plate between upper and lower two described dividing plates; When arranging plural described stepped plate, stepped plate is equidistantly arranged between upper and lower two dividing plates.

5. Multi-stage crusher as claimed in claim 1, it is characterized in that, described hammering head is staggered from top to bottom on described rotating shaft cover or hammer dish.

6. Multi-stage crusher as claimed in claim 5, it is characterized in that, neighbouring hammering head is staggered into helical arrangement.