Search

CN-224221498-U - Movable cutter assembly and crusher

CN224221498UCN 224221498 UCN224221498 UCN 224221498UCN-224221498-U

Abstract

The utility model discloses a movable cutter assembly and a crusher. The movable cutter assembly comprises a cutter seat, a movable cutter, a limiting structure and a locking assembly, wherein the cutter seat is provided with a first through hole, the movable cutter is arranged at one end of the cutter seat along the axial direction of the first through hole, the movable cutter is provided with a second through hole, the second through hole is used for being communicated with the first through hole, the limiting structure comprises a limiting protruding block and a limiting groove, the limiting protruding block is arranged on the cutter seat, the limiting groove is arranged on the first side wall of the movable cutter, which faces the cutter seat, and the second side wall of the movable cutter, which faces away from the cutter seat, the limiting protruding block can be clamped on the limiting groove, which faces the cutter seat, so as to limit the movable cutter to rotate relative to the cutter seat, and the locking assembly is used for penetrating through the first through hole and the second through hole so as to lock the movable cutter to the cutter seat. The movable cutter assembly can multiply improve the recycling times and greatly reduce the production cost of crushing equipment.

Inventors

  • WU ZHIJU
  • MENG QINBIN

Assignees

  • 中山斯瑞德环保科技有限公司

Dates

Publication Date
20260512
Application Date
20250512

Claims (10)

  1. 1. A moving blade assembly, comprising: The tool apron is provided with a first through hole; The movable cutter is arranged at one end of the cutter holder along the axial direction of the first through hole, and is provided with a second through hole which is used for being communicated with the first through hole; The limiting structure comprises a limiting lug and a limiting groove, the limiting lug is arranged on the tool apron, the limiting groove is arranged on a first side wall of the movable tool facing the tool apron and a second side wall of the movable tool deviating from the tool apron, and the limiting lug can be clamped on the limiting groove of which the opening faces the tool apron so as to limit the movable tool to rotate relative to the tool apron; The locking assembly is used for penetrating through the first through hole and the second through hole so as to lock the movable cutter to the cutter holder.
  2. 2. The movable blade assembly according to claim 1, wherein the limit projection is disposed around a circumference of the first through hole, the limit groove on the first side wall and the limit groove on the second side wall are disposed symmetrically and extend in an axial direction of the first through hole, and the second through hole penetrates a bottom wall of the limit groove.
  3. 3. The movable knife assembly of claim 1, wherein the cross-sectional shape of the limit projection is non-circular along the radial direction of the first through hole, and the cross-sectional shape of the limit groove is adapted to the cross-sectional shape of the limit projection.
  4. 4. The movable knife assembly of claim 2, wherein the cross-sectional shape of the limit projection is regular polygon along the radial direction of the first through hole, and the cross-sectional shape of the limit groove is adapted to the cross-sectional shape of the limit projection.
  5. 5. The movable blade assembly of claim 4, wherein the movable blade has a regular polygon cross-sectional shape along a radial direction of the first through hole, the movable blade having a plurality of cutting edges located at corresponding edges of the movable blade.
  6. 6. The movable knife assembly of claim 1, wherein the locking assembly comprises a bolt and a cover, the cover is provided with a threaded hole, the cover is at least partially accommodated in the limit groove away from the knife holder, and the bolt is arranged through the first through hole and the second through hole and is in threaded connection with the cover.
  7. 7. The movable knife assembly of claim 1, wherein the locking assembly comprises a bolt and a nut, the cross-sectional shape of the head of the bolt is adapted to the cross-sectional shape of the limit groove and is at least partially accommodated in the limit groove away from the knife holder, and the bolt is threaded through the first through hole and the second through hole and is in threaded connection with the nut.
  8. 8. The movable blade assembly of claim 6 or 7, wherein the bolt is provided with a spacer.
  9. 9. A crusher comprising a moving blade assembly as claimed in any one of claims 1 to 8.
  10. 10. The crusher of claim 9, wherein the blade holder is welded to a knife roll of the crusher.

Description

Movable cutter assembly and crusher Technical Field The utility model relates to the technical field of crushing equipment, in particular to a crusher cutter assembly and a crusher. Background The crusher is used for crushing large-size raw materials to a required size, and the raw materials are crushed through shearing movement between a crushing main shaft and a machine box. Because factors such as size, hardness, toughness, shearing angle and the like of input raw materials are full of randomness, the input raw materials need to be sheared for many times and can be crushed, so that the moving knife blade has high abrasion speed, short service life and high replacement frequency, and the use cost of crushing equipment is inevitably high. Disclosure of utility model The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a movable cutter assembly with long service life. The utility model further provides a crusher adopting the movable cutter assembly. The movable cutter assembly comprises a cutter seat, a movable cutter, a limiting structure and a locking assembly, wherein the cutter seat is provided with a first through hole, the movable cutter is arranged at one end of the cutter seat along the axial direction of the first through hole, the movable cutter is provided with a second through hole which is used for being communicated with the first through hole, the limiting structure comprises a limiting protruding block and a limiting groove, the limiting protruding block is arranged on the cutter seat, the limiting groove is arranged on the first side wall of the movable cutter, which faces the cutter seat, and the second side wall of the movable cutter, which faces away from the cutter seat, the limiting protruding block can be clamped in the limiting groove, which faces the cutter seat, so as to limit the movable cutter to rotate relative to the cutter seat, and the locking assembly is used for penetrating through the first through hole and the second through hole so as to lock the movable cutter to the cutter seat. The movable cutter assembly at least has the advantages that the limiting structure is hidden on the matching surface of the cutter holder and the movable cutter, the limiting structure is not affected by abrasion during cutting of the movable cutter, the use opportunity of part of cutting edges is not needed to be abandoned for mechanical limiting of the movable cutter, the recycling times of the movable cutter assembly are increased in multiple under the condition that the processing cost of the movable cutter assembly is increased slightly, and the production cost of crushing equipment is greatly reduced. According to some embodiments of the utility model, the limit bump is disposed around a circumference of the first through hole, the limit groove on the first side wall and the limit groove on the second side wall are symmetrically disposed, extend along an axial direction of the first through hole, and the second through hole penetrates a bottom wall of the limit groove. According to some embodiments of the utility model, the cross-sectional shape of the limit bump is non-circular along the radial direction of the first through hole, and the cross-sectional shape of the limit groove is adapted to the cross-sectional shape of the limit bump. According to some embodiments of the utility model, the cross-sectional shape of the limit bump is regular polygon along the radial direction of the first through hole, and the cross-sectional shape of the limit groove is adapted to the cross-sectional shape of the limit bump. According to some embodiments of the utility model, the cross-sectional shape of the moving blade is regular polygon along the radial direction of the first through hole, and the moving blade has a plurality of cutting edges, and the cutting edges are located at corresponding edges of the moving blade. According to some embodiments of the utility model, the locking assembly comprises a bolt and a cover, the cover is provided with a threaded hole, the cover is at least partially accommodated in the limit groove away from the tool holder, and the bolt penetrates through the first through hole and the second through hole and is in threaded connection with the cover. According to some embodiments of the utility model, the locking assembly comprises a bolt and a nut, the cross-sectional shape of the head of the bolt is matched with the cross-sectional shape of the limit groove, the bolt is at least partially accommodated in the limit groove away from the tool holder, and the bolt penetrates through the first through hole and the second through hole and is in threaded connection with the nut. According to some embodiments of the utility model, the bolt is sleeved with a gasket. A crusher according to an embodiment of the second aspect of the utility model comprises a moving blade assembly as defin