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CN-224221501-U - Crushing cavity assembly and vertical shaft impact crusher

CN224221501UCN 224221501 UCN224221501 UCN 224221501UCN-224221501-U

Abstract

The utility model relates to the technical field of sand and stone aggregate production and sand making equipment, in particular to a crushing cavity assembly and a vertical shaft impact crusher, which comprise an annular base, a bottom plate, a top plate and an anvil cavity ring connected with the outer edges of the bottom plate and the top plate, wherein the anvil cavity ring covers the outside of an anvil assembly to guide materials to collide and crush for multiple times in the cavity; the multi-group anvil iron assembly is circumferentially arranged along the annular base, each group of anvil iron assembly comprises columnar wear-resistant anvil irons, the upper end and the lower end of each anvil iron assembly are fixedly connected to the bottom plate and the top plate of the annular base respectively, the columnar wear-resistant anvil irons can circumferentially adjust angles when being mounted on the annular base, and the fixedly connected anvil irons are circumferentially limited. The scheme has the advantages of improving the abrasion resistance of the anvil iron, prolonging the service life, reducing the maintenance cost and improving the crushing efficiency.

Inventors

  • YU JIALE
  • DI LIANGHUI
  • WANG JIULIN
  • CHEN JIAJUN
  • CHEN LIN
  • YUAN CHENG

Assignees

  • 浙矿重工股份有限公司

Dates

Publication Date
20260512
Application Date
20250429

Claims (10)

  1. 1. A crushing chamber assembly, comprising: -an annular base (10) comprising a bottom plate (11), a top plate (12) and an anvil cavity ring (13) connected to the outer edges of the bottom plate (11) and the top plate (12), the anvil cavity ring (13) covering the outside of the anvil assembly (20) to guide the material to collide and crush multiple times in the cavity; -a plurality of groups of anvil assemblies (20) circumferentially arranged along said annular base (10), each group of anvil assemblies (20) comprising a cylindrical wear-resistant anvil (21); the upper end and the lower end of the anvil iron component (20) are fixedly connected to a bottom plate (11) and a top plate (12) of the annular base (10) respectively, and the columnar wear-resistant anvil iron (21) can circumferentially adjust an angle when being mounted on the annular base (10), and is circumferentially limited after being fixedly connected.
  2. 2. The crushing chamber assembly of claim 1, wherein: -a lower plug hole (111) is provided on the bottom plate (11) of the annular base (10); -the lower end of the columnar wear-resistant anvil iron (21) is inserted into the lower plug hole (111) and is circumferentially fixed by a circumferential limit structure of the lower plug hole (111).
  3. 3. The crushing chamber assembly of claim 2, wherein: -the inner edge of the top plate (12) is provided with an open escape hole (121); -the anvil assembly (20) further comprises a pressing plate (40), the pressing plate (40) being fixedly connected to the top plate (12) and provided with an upper plug hole (401); -the upper end of the columnar wear-resistant anvil iron (21) is inserted into the upper plug hole (401) and is circumferentially fixed by a circumferential limit structure of the upper plug hole (401).
  4. 4. A crushing chamber assembly according to claim 3, wherein: -the anvil assembly (20) comprises at least two cylindrical wear resistant anvil (21); -a plurality of upper plug holes (401) matched with the columnar wear-resistant anvil iron (21) in number are arranged on the pressing plate (40); When the pressing plate (40) is fixedly connected to the top plate (12), a plurality of upper plug holes (401) of the pressing plate cover adjacent avoidance holes (121) of the top plate (12), and the upper end and the lower end of each columnar wear-resistant anvil iron (21) are respectively inserted into the corresponding lower plug holes (111) and the upper plug holes (401).
  5. 5. A crushing chamber assembly according to claim 3, wherein: -the top plate (12) and the pressure plate (40) are provided with corresponding through holes (60); -the pressure plate (40) is fixedly connected to the top plate (12) by means of a screw assembly (50) passing through the through hole (60).
  6. 6. The crushing chamber assembly of claim 1, wherein: -the annular base (10) is formed by annular abutment of a plurality of segments of base ring units (101), the annular base (10) being provided with notches (15) in the circumferential direction for the corresponding viewing cavities.
  7. 7. A crushing chamber assembly according to claim 3, wherein: -the lower plug aperture (111) and the upper plug aperture (401) are rectangular apertures; -rectangular protruding blocks (211) are arranged at the upper end and the lower end of the columnar wear-resistant anvil iron (21); -adjusting the circumferential orientation of the cylindrical wear anvil (21) by means of the fitting angle of the rectangular projections (211) to the rectangular holes, achieving a circumferential limitation after insertion.
  8. 8. The crushing chamber assembly of claim 1, wherein: -the cylindrical wear-resistant anvil (21) is made of round high-chromium cast iron.
  9. 9. A crushing chamber assembly according to claim 3, wherein: -the relief hole (121) is a circular arc hole or a semicircular hole provided at the inner edge of the top plate (12).
  10. 10. A vertical shaft impact crusher, comprising: -a crushing chamber assembly (100) according to any one of claims 1-9, the crushing chamber assembly (100) being fixedly connected to a frame (200); -a rotor assembly (300) arranged inside the crushing chamber assembly (100), the material thrown out when the rotor assembly (300) rotates being able to strike the crushing chamber assembly (100) for crushing.

Description

Crushing cavity assembly and vertical shaft impact crusher Technical Field The utility model relates to the technical field of sand aggregate production and sand making equipment, in particular to a crushing cavity assembly and a vertical shaft impact crusher. Background The vertical shaft impact crusher is core equipment in sand aggregate production and sand making process, and it ejects material to anvil iron component in crushing cavity via high speed rotating rotor to crush and shape the material with impact force. The traditional crushing cavity adopts fixed anvil iron structure generally, and the anvil iron directly bears the continuous striking of material, and easy inefficacy because of wearing and tearing after long-term use leads to changing frequency height, maintenance cost increase. Especially under stone beating (direct collision between anvil and materials) and stone beating (mutual collision between materials) two modes, the difference of the abrasion rate of the anvil is remarkable, but in the prior art, the anvil is mostly of a single structural design, and the mode can not be flexibly switched or recycled according to working conditions, so that resource waste is caused. At present, part of crushing cavities in the market try to improve the wear resistance by optimizing anvil materials (such as high-chromium cast iron), but the problems that the conventional anvil can only work on one side, the conventional anvil needs to be replaced integrally after being worn on one side, secondary utilization cannot be realized through adjustment, the circumferential angle of the anvil is fixed after being installed, the impact surface cannot be adjusted according to the characteristics of the materials or the crushing requirements, so that local excessive wear is caused, the crushing cavities are complicated to detach, the anvil needs to be stopped and a large amount of working time is consumed for replacing the anvil, and the production efficiency is influenced still exist. In addition, the design of the material flow path of the existing crushing cavity is single, multiple collision crushing is difficult to realize, the grain shape and grading control precision of finished sand are insufficient, and the production requirement of high-quality machine-made sand is difficult to meet. In view of the above, there is a need in the art for improvements. Disclosure of Invention In order to solve the problems, the utility model aims to provide a crushing cavity assembly and a vertical shaft impact crusher, which have the advantages of improving the abrasion resistance of anvil iron, prolonging the service life, reducing the maintenance cost and improving the crushing efficiency. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The application provides a crushing cavity assembly which comprises an annular base, a plurality of groups of anvil iron assemblies and a cylindrical wear-resistant anvil iron, wherein the annular base consists of a bottom plate, a top plate and an anvil iron cavity ring connected to the outer edges of the bottom plate and the top plate, the anvil iron cavity ring covers the anvil iron assemblies to guide materials to collide and crush in a cavity for multiple times, the anvil iron assemblies are circumferentially arranged along the annular base, each group of anvil iron assemblies comprises a cylindrical wear-resistant anvil iron, the upper end and the lower end of each anvil iron assembly are fixedly connected to the bottom plate and the top plate of the annular base respectively, the angle of each cylindrical wear-resistant anvil iron can be circumferentially adjusted when the cylindrical wear-resistant anvil iron is mounted on the annular base, and the circumferential direction of each anvil iron is limited after the cylindrical wear-resistant anvil iron is fixedly connected. The application further provides that the bottom plate of the annular base is provided with the lower plug hole, the lower end of the columnar wear-resistant anvil iron is inserted into the lower plug hole, and circumferential fixation is realized through the circumferential limiting structure of the lower plug hole. The application further provides an open type avoiding hole formed in the inner side edge of the top plate, the anvil iron assembly further comprises a pressing plate fixedly connected to the top plate and provided with an upper inserting hole, and the upper end of the columnar wear-resistant anvil iron is inserted into the upper inserting hole and fixed in the circumferential direction through a circumferential limiting structure of the upper inserting hole. The application further provides that the anvil iron assembly comprises at least two columnar wear-resistant anvil irons, a plurality of upper inserting holes matched with the columnar wear-resistant anvil irons in number are formed in the pressing plate, when the pressing plate is fixedl