CN111437929A

CN111437929A - Rotor structure of impact crusher

Info

Publication number: CN111437929A
Application number: CN202010160959.7A
Authority: CN
Inventors: 陆建友
Original assignee: Dongguan Zhijian Electromechanical Engineering Technology Co ltd
Current assignee: Dongguan Zhijian Electromechanical Engineering Technology Co ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-07-24

Abstract

The invention discloses a rotor structure of an impact crusher, which comprises a rotor frame, wherein inclined slots are formed in the triangles of a rib plate, rectangular slots are formed in the left inner wall of each slot on the rib plate, and cushion blocks are inserted into the slots of the rib plate; the lower end of the right inner wall of the slot of the rib plate is provided with a circular arc positioning notch, the inner wall of the right side of the slot is provided with a circular arc notch, the slot of the rib plate is internally inserted with a swash plate-shaped plate hammer and a clamping plate, the plate hammer is clamped between the clamping plate and a cushion block, the lower end of the clamping plate is provided with a plurality of shaft sleeves, the shaft sleeves are inserted between the rib plates, the shaft sleeves are inserted with support shafts, and the support shafts are inserted into the positioning notches of the; the fastening piece is inserted in the gap of the rib plate at one end of the mandrel, the screw rod is formed on the fastening piece, the screw rod is inserted in the inner wall of the gap of the rib plate and penetrates through the rib plate at the other end of the mandrel to be connected with the threaded sleeve in a threaded mode, and the threaded sleeve and the fastening piece are pressed against the clamping plate in a pressure-sharing mode.

Description

Rotor structure of impact crusher

Technical Field

The invention relates to the technical field of crushers, in particular to a rotor structure of an impact crusher.

Background

The crusher is used as main force equipment for mining and mainly crushes stones with different sizes, and the crusher equipment mainly comprises a jaw crusher, an impact crusher, a ring hammer crusher, a cone crusher and the like; the impact crusher is also called as impact crushing, and is mainly used for processing materials which often need to be moved in metallurgy, chemical industry, building materials, water and electricity and the like, in particular for the operation of flowable stones in expressways, railways, water and electricity engineering and the like. The conventional impact crusher mainly comprises a shell, a rotor and a plurality of impact frames, wherein the rotor comprises a rotor frame and a plate hammer fixed on the rotor frame, the plate hammer is arranged and fixed on the rotor frame through a plurality of bolt assemblies, and the assembly operation between the plate hammer and the rotor frame is complicated; a rotor structure that is easy to assemble is required.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a rotor structure of an impact crusher, which is convenient for the assembly operation between a plate hammer and a rotor frame and can improve the production efficiency.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a rotor structure of a reaction crusher comprises a rotor frame, wherein the rotor frame consists of a mandrel and a plurality of regular triangle-shaped rib plates, the rib plates are formed on the outer wall of the mandrel, oblique slots are formed in the triangles of the rib plates, rectangular slots are formed in the left inner walls of the slots in the rib plates, and cushion blocks are inserted into the slots in the rib plates; the lower end of the right inner wall of the slot of the rib plate is provided with a circular arc positioning slot opening, the right inner wall of the slot at the upper side of the positioning slot opening is provided with a circular arc notch, the slot of the rib plate is internally inserted with a swash plate and a clamp plate, the swash plate is clamped between the clamp plate and a cushion block, the lower end of the clamp plate is provided with a plurality of shaft sleeves, the shaft sleeves are inserted between the rib plates, the shaft sleeves are inserted with support shafts, and the support shafts are inserted into the positioning slot openings of the rib plates; conical fasteners are inserted into the gaps of the rib plates at one ends of the mandrels, screw rods are formed on the fasteners, the screw rods are inserted into the inner walls of the gaps of the rib plates and penetrate through the rib plates at the other ends of the mandrels to be connected with conical threaded sleeves in a threaded mode, and the threaded sleeves and the fasteners are pressed against the clamping plates in a pressure-sharing mode.

Preferably, the rib plates are at least three, the centers of the rib plates are positioned on the central axis of the mandrel, and the rib plates are linearly and uniformly distributed on the mandrel.

Preferably, hammers with reverse directions are formed at the upper end and the lower end of the plate hammer, and the hammer at the lower end of the plate hammer abuts against the bottom surface of the slot in the rib plate.

Preferably, the shaping has oblique right sand grip on the both sides terminal surface of board hammer, the cushion on the shaping have the constant head tank relative with the sand grip, the sand grip is inserted and is established in the constant head tank of cushion.

Preferably, the plate hammers are uniformly distributed on the rib plate in a ring shape around the central axis of the mandrel.

Preferably, a regular hexagon limiting head is formed at one end, deviating from the screw rod, of the fastener, and a regular hexagon nut is formed on the threaded sleeve.

Preferably, two end faces of the shaft sleeve on the clamping plate are respectively abutted against the rib plate.

The invention has the beneficial effects that: the structure of the rotor is modified, so that the assembly operation between the plate hammer and the rotor frame is facilitated, and the production efficiency can be improved; meanwhile, the plate hammer is provided with two hammers which can be used in a reversing way, so that the service life of the rotor can be prolonged.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of another embodiment of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a side view of the present invention.

In the figure: 1. a mandrel; 11. a rib plate; 12. a slot; 13. a positioning notch; 14. a card slot; 15. a notch; 2. a plate hammer; 21. a convex strip; 22. a hammer head; 3. cushion blocks; 31. positioning a groove; 4. a splint; 41. a shaft sleeve; 5. a fulcrum; 6. a fastener; 61. a screw; 62. a limiting head; 7. a threaded sleeve; 71. and (4) a nut.

Detailed Description

Example (b): as shown in fig. 1 to 4, the rotor structure of the impact crusher comprises a rotor frame, wherein the rotor frame consists of a mandrel 1 and a plurality of regular triangle-shaped rib plates 11, the rib plates 11 are formed on the outer wall of the mandrel 1, oblique slots 12 are formed in the triangles of the rib plates 11, rectangular slots 14 are formed in the left inner walls of the slots 12 in the rib plates 11, and cushion blocks 3 are inserted into the slots 14 in the rib plates 11; the lower end of the right inner wall of the slot 12 of the rib plate 11 is formed with an arc-shaped positioning slot 13, the right inner wall of the slot 12 on the upper side of the positioning slot 13 is formed with an arc-shaped notch 15, the slot 12 of the rib plate 11 is internally inserted with a swash plate 2 and a clamp plate 4, the swash plate 2 is clamped between the clamp plate 4 and a cushion block 3, the lower end of the clamp plate 4 is formed with a plurality of shaft sleeves 41, the shaft sleeves 41 are inserted between the rib plates 11, the shaft sleeves 41 are inserted with support shafts 5, and the support shafts 5 are inserted in the positioning slots 13 of the rib plates 11; conical fasteners 6 are inserted into gaps 15 of rib plates 11 at one end of the mandrel 1, screws 61 are formed on the fasteners 6, the screws 61 are inserted into the inner walls of the gaps 15 of the rib plates 11 and penetrate through the rib plates 11 at the other end of the mandrel 1 to be connected with conical thread sleeves 7 in a threaded mode, and the thread sleeves 7 and the fasteners 6 are pressed against the clamping plates 4 in a pressure equalizing mode.

Preferably, at least three rib plates 11 are arranged, the centers of the rib plates 11 are located on the central axis of the mandrel 1, and the rib plates 11 are linearly and uniformly distributed on the mandrel 1.

Preferably, hammer heads 22 with opposite directions are formed at the upper end and the lower end of the plate hammer 2, and the hammer head 22 at the lower end of the plate hammer 2 abuts against the bottom surface of the slot 12 on the rib plate 11.

Preferably, inclined convex strips 21 are formed on the end surfaces of the two sides of the board hammer 2, positioning grooves 31 opposite to the convex strips 21 are formed on the cushion block 3, and the convex strips 21 are inserted into the positioning grooves 31 of the cushion block 3.

Preferably, the plate hammers 2 are uniformly distributed on the rib plate 11 in a ring shape around the central axis of the mandrel 1.

Preferably, a hexagonal limiting head 62 is formed at one end of the fastening member 6, which is away from the screw 61, and a hexagonal nut 71 is formed on the threaded sleeve 7.

Preferably, two end faces of the shaft sleeve 41 on the splint 4 respectively abut against the rib plate 11.

Preferably, the bushing 41 is screwed with a terminal screw, and the terminal of the terminal screw is pressed against the fulcrum 5.

The working principle is as follows: the invention is a rotor structure with a counterattack crusher, the rotor mainly comprises a rotor frame and a plate hammer 2, and the plate hammer 2 can be used in a reversing way; simultaneously, the connecting structure between the plate hammer 2 and the rotor frame is convenient to install, and the specific installation mode is as follows:

firstly, inserting the plate hammer 2 and the clamping plate 4 into the slot 12 of the rib plate 11, then inserting the fulcrum shaft 5 into the clamping plate 4, and then inserting the cushion block 3 into the clamping groove 14 of the rib plate 11; then, the fastener 6 and the threaded sleeve 7 are inserted into the notch 15 of the rib plate 11, and the fastener 6 and the threaded sleeve 7 are pressed against the clamping plate 4 after being mutually screwed, so that the clamping plate 4 and the cushion block 3 clamp and fix the plate hammer 2.

The examples are intended to illustrate the invention, but not to limit it. The described embodiments may be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the appended claims should be accorded the full scope of the invention as set forth in the appended claims.

Claims

1. The utility model provides a rotor structure of impact crusher, includes the rotor frame, and the rotor frame comprises dabber (1) and gusset (11) of a plurality of equilateral triangle shape, and gusset (11) shaping is on the outer wall of dabber (1), its characterized in that: oblique slots (12) are formed in the triangular parts of the rib plates (11), rectangular slots (14) are formed in the left inner walls of the slots (12) in the rib plates (11), and cushion blocks (3) are inserted into the slots (14) in the rib plates (11); the lower end of the right inner wall of the slot (12) of the rib plate (11) is formed with an arc-shaped positioning notch (13), an arc-shaped notch (15) is formed in the right inner wall of the slot (12) on the upper side of the positioning notch (13), an inclined plate-shaped plate hammer (2) and a clamping plate (4) are inserted into the slot (12) of the rib plate (11), the plate hammer (2) is clamped between the clamping plate (4) and the cushion block (3), a plurality of shaft sleeves (41) are formed at the lower end of the clamping plate (4), the shaft sleeves (41) are inserted between the rib plates (11), a support shaft (5) is inserted on each shaft sleeve (41), and the support shaft (5) is inserted into the positioning notch (13) of the rib plate (11); conical fasteners (6) are inserted into gaps (15) of rib plates (11) at one end of the mandrel (1), screws (61) are formed on the fasteners (6), the screws (61) are inserted into the inner walls of the gaps (15) of the rib plates (11) and penetrate through rib plates (11) at the other end of the mandrel (1) to be connected with conical thread sleeves (7) in a threaded mode, and the thread sleeves (7) and the fasteners (6) are pressed against the clamping plates (4) in a pressure-equalizing mode.

2. A rotor structure of an impact crusher in accordance with claim 1, characterized in that: the mandrel is characterized in that at least three rib plates (11) are arranged, the centers of the rib plates (11) are located on the central axis of the mandrel (1), and the rib plates (11) are linearly and uniformly distributed on the mandrel (1).

3. A rotor structure of an impact crusher in accordance with claim 1, characterized in that: the upper end and the lower end of the plate hammer (2) are formed with hammers (22) with reverse directions, and the hammers (22) at the lower end of the plate hammer (2) are abutted against the bottom surfaces of the slots (12) in the rib plate (11).

4. A rotor structure of an impact crusher in accordance with claim 3, characterized in that: the shaping has oblique sand grip (21) to the side on the both sides terminal surface of board hammer (2), cushion (3) on the shaping have with sand grip (21) relative constant head tank (31), sand grip (21) are inserted and are established in constant head tank (31) of cushion (3).

5. A rotor structure of an impact crusher in accordance with claim 1, characterized in that: the plate hammers (2) are uniformly distributed on the rib plate (11) in a ring shape around the central axis of the mandrel (1).

6. A rotor structure of an impact crusher in accordance with claim 1, characterized in that: the fastener (6) deviate from one end shaping of screw rod (61) and have regular hexagon's spacing head (62), swivel nut (7) on the shaping have regular hexagon's nut (71).

7. A rotor structure of an impact crusher in accordance with claim 1, characterized in that: two end faces of the shaft sleeve (41) on the clamping plate (4) are respectively abutted against the rib plate (11).