CN209934850U

CN209934850U - Crusher rotor and hammer disc thereof

Info

Publication number: CN209934850U
Application number: CN201920172357.6U
Authority: CN
Inventors: 陈旭锋; 吴慧明; 周铿
Original assignee: Zhejiang Shen Shen Cement Machinery Manufacturing Co Ltd
Current assignee: Zhejiang Shen Shen Cement Machinery Manufacturing Co Ltd
Priority date: 2019-01-31
Filing date: 2019-01-31
Publication date: 2020-01-14
Anticipated expiration: 2029-01-31

Abstract

The utility model relates to the technical field of crusher machinery, and discloses a crusher rotor and a hammer disk thereof, which comprises a main shaft, a hammer disk and a hammer head, wherein a plurality of hammer shaft holes are uniformly arranged on the end surface of the hammer disk along the circumferential direction of the hammer disk, two opposite and circular grooves sharing a bottom wall are arranged on the two end surfaces of the hammer disk along the circumferential direction of the hammer shaft holes, and through holes for communicating the two grooves are arranged on the bottom wall of each groove; the grooves are internally provided with annular baffles which can move along the height direction of the grooves, springs which penetrate through the through holes are connected between the baffles, and the baffles are connected with wear-resistant rings which extend out of the grooves; the hammer disc comprises an end face hammer disc and a middle hammer disc, and a hammer shaft end cover is arranged at a hammer shaft hole of the end face hammer disc. Through the setting of wear-resisting piece, recess, spring for the breaker rotor has the friction between hammer disks and the tup and reduces, prolongs the life's of hammer disks advantage.

Description

Crusher rotor and hammer disc thereof

Technical Field

The utility model relates to a breaker machinery technical field, specifically speaking relates to a breaker rotor and hammer disks thereof.

Background

The crusher is widely applied to various fields of mines, smelting, building materials, roads, railways, water conservancy, chemical industry and the like. The rotor of the hammer crusher in the prior art generally comprises a main shaft, hammer disks arranged on the main shaft and hammers arranged between the adjacent hammer disks, when the crusher works, a motor drives the main shaft to rotate at a high speed, materials uniformly enter a crusher cavity, and the hammers which rotate at a high speed impact and cut and tear the materials until the materials are crushed.

The crusher rotor is used as a core component of the crusher, the stress condition is very bad, particularly the hammer disc and the hammer head, the hammer head rotates around the hammer shaft, the end face of the hammer head rubs with the end face of the hammer disc, the hammer disc deforms and is damaged after long-term use, the crusher rotor is damaged, and the production efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

To the defect that friction leads to hammer disks deformation damage between the tup that exists among the prior art and the hammer disks, the utility model provides a breaker rotor and hammer disks thereof. The novel hammer disc has the advantages that friction between the hammer disc and the hammer head can be reduced, the service life of the hammer disc is prolonged, and the wear-resisting ring is convenient to replace.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

a rotor hammer disc of a crusher is characterized in that a plurality of hammer shaft holes are uniformly formed in the end face of the hammer disc along the circumferential direction of the hammer disc, two opposite annular grooves sharing a bottom wall are formed in the two end faces of the hammer disc along the circumferential direction of the hammer shaft holes, and through holes communicated with the two grooves are formed in the bottom walls of the grooves; the grooves are internally provided with annular baffles which can move along the height direction of the grooves, springs which penetrate through the through holes are connected between the baffles, and the baffles are connected with wear-resistant rings which extend out of the grooves; the hammer disc comprises an end face hammer disc and a middle hammer disc, and a hammer shaft end cover is arranged at a hammer shaft hole of the end face hammer disc.

Through the arrangement of the hammer shaft hole of the utility model, the hammer shaft is installed; through the arrangement of the groove and the wear-resistant ring, the wear-resistant ring extends out of the groove to be attached to the hammer head, so that the friction between the hammer head and the hammer disc is reduced, and the hammer disc can be protected; through the arrangement of the through hole, the baffle and the spring, when the wear-resistant ring and the hammer are rubbed and shortened, the spring provides elasticity to push the wear-resistant ring to extend out of the groove to be attached to the hammer so as to enable the wear-resistant ring to automatically compensate for the friction loss, wherein the through hole and the baffle are arranged, so that the spring can be positioned in the through hole, the baffle can limit the spring, and the spring is placed to be separated from the through hole; the utility model discloses an above technical scheme for the breaker rotor has the friction between hammer disks and the tup and reduces, prolongs the life's of hammer disks advantage.

Preferably, the side wall of the groove is provided with first sliding chutes which are oppositely arranged and extend downwards from the top end surface of the groove, the side wall of the groove is also provided with second sliding chutes which are oppositely arranged along the height direction of the groove, and the bottoms of the first sliding chutes and the second sliding chutes are communicated through third sliding chutes; the side surface of the wear-resistant ring and the bottom of the wear-resistant ring are provided with bulges matched with the first sliding groove and the second sliding groove. The utility model discloses in, through first spout, second spout, third spout and bellied setting for the arch can slide in first spout, second spout and third spout, thereby wear ring can obtain spacingly when making wear ring can be in the recess activity from top to bottom, prevents that wear ring from breaking away from the recess, wherein the setting of first recess and third spout, makes the dismantlement of wear ring change convenience more.

Preferably, a sealing block is arranged at the opening at the top end of the first sliding chute.

The utility model discloses in, through the setting of sealed piece for the rubble gets into and blocks up first spout in the first spout when sealed piece can seal and then prevent broken ore to first recess, thereby influences the activity of wear ring in first spout and second spout.

Preferably, the middle part of the hammer disc is provided with a square hole.

The utility model discloses in, through the setting of quad slit for relative slip can not take place between main shaft and the hammer disks, thereby it is better to make the main shaft rotate and drive hammer disks pivoted effect.

The utility model also provides a crusher rotor, which comprises a main shaft and comprises any one of the crusher rotor hammer disks, wherein the hammer disks are fixed on the main shaft through keys, hammer shaft holes are formed in the hammer shaft holes and penetrate through the hammer shaft holes to be connected with hammer shafts, and the hammer heads can rotate around the hammer shafts and are attached to the wear-resistant rings; the end cover of the hammer shaft is connected with the end part of the hammer shaft through a bolt, and the end face hammer disc is welded with the surface of the main shaft; and a bearing is arranged on the main shaft and positioned on the outer side of the end face hammer disc, a bearing seat is arranged outside the bearing, and a belt wheel is further arranged at the end part of the main shaft.

Through the arrangement of the bearing and the bearing seat, the main shaft is supported and is convenient to rotate; through the arrangement of the large belt wheel, the large belt wheel can rotate to drive the main shaft to rotate, so that the rotor of the crusher is driven to rotate, and the ore is crushed.

Drawings

Fig. 1 is a schematic view of a crusher rotor having a hammer disc in embodiment 1;

FIG. 2 is a schematic structural view of a hammer disk in embodiment 1;

FIG. 3 is a partial structural view of a hammer disk in embodiment 1;

FIG. 4 is a partial structural view of a groove in example 1;

fig. 5 is a schematic structural view of the wear-resistant ring in embodiment 1;

FIG. 6 is an enlarged view of A in FIG. 1;

the names of the parts indicated by the numerical references in the drawings are as follows: 100. a main shaft; 101. a hammer plate; 101a, an end face hammer disc; 101b, an intermediate hammer plate; 102. a hammer shaft; 103. a hammer head; 104. a key; 105. a bearing; 106. a bearing seat; 107. a pulley; 108. pressing and filling the oil cup; 211. a hammer shaft hole; 212. a square hole; 311. a groove; 312. a through hole; 321. a baffle plate; 322. a spring; 331. a wear ring; 411. a first chute; 412. a second chute; 413. a third chute; 414. a sealing block; 511. a protrusion; 611. a hammer shaft end cover; 612. and (4) bolts.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention only and are not limiting.

Example 1

As shown in fig. 2 to 5, in the present embodiment, a plurality of hammer shaft holes 211 are uniformly formed on an end surface of the hammer disc 101 along a circumferential direction of the hammer disc 101, two opposite annular grooves 311 sharing a bottom wall are formed on two end surfaces of the hammer disc 101 along the circumferential direction of the hammer shaft holes 211, and through holes 312 communicating the two grooves 311 are formed on the bottom wall of the groove 311; the grooves 311 are internally provided with annular baffles 321 which can move along the height direction of the grooves 311, springs 322 which pass through the through holes 312 are connected between the baffles 321, and the baffles 321 are connected with wear-resistant rings 331 which extend out of the grooves 311; the hammer disk 101 comprises an end face hammer disk 101a and a middle hammer disk 101b, and a hammer shaft end cover 611 is arranged at a hammer shaft hole 211 of the end face hammer disk 101 a.

Through the arrangement of the hammer shaft hole 211 in the embodiment, the hammer shaft 102 is installed; through the arrangement of the groove 311 and the wear-resistant ring 331, the wear-resistant ring 331 extends out of the groove 311 to be attached to the hammer head 103, so that the friction between the hammer head 103 and the hammer disc 101 is reduced, and the hammer disc 101 can be protected; through the arrangement of the through hole 312, the baffle 321 and the spring 322, when the wear-resistant ring 331 rubs and shortens with the hammer 103, the spring 322 provides elastic force to push the wear-resistant ring 331 to extend out of the groove 311 to be attached with the hammer 103, so that the wear-resistant ring 331 automatically compensates for the friction loss, wherein the through hole 312 and the baffle 321 are arranged, so that the spring 322 can be positioned in the through hole 312, the baffle 321 can limit the spring 322, and the spring 322 is placed to be separated from the through hole 312; the utility model discloses an above technical scheme for the breaker rotor has the friction between hammer disks 101 and the tup 103 and reduces, prolongs hammer disks 101's life's advantage.

In this embodiment, the sidewall of the recess 311 is provided with a first sliding slot 411 which is oppositely disposed and extends downward from the top surface of the recess 311, the sidewall of the recess 311 is further provided with a second sliding slot 412 which is oppositely disposed along the height direction of the recess 311, and the bottoms of the first sliding slot 411 and the second sliding slot 412 are communicated through a third sliding slot 413; on the side of the wear-resistant ring 331 and at the bottom of the wear-resistant ring 331, there is a protrusion 511 that mates with the first sliding slot 411 and the second sliding slot 412.

Through the arrangement of the first sliding groove 411, the second sliding groove 412, the third sliding groove 413 and the protrusion 511 in this embodiment, the protrusion 511 can slide in the first sliding groove 411, the second sliding groove 412 and the third sliding groove 413, so that the wear-resistant ring 331 can be limited while the wear-resistant ring 331 can move up and down in the groove 311, and the wear-resistant ring 331 is prevented from being separated from the groove 311, wherein the arrangement of the first groove 411 and the third sliding groove 413 makes the disassembly and replacement of the wear-resistant ring 331 more convenient.

In this embodiment, a sealing block 414 is disposed at an opening at the top end of the first sliding slot 411.

Through the arrangement of the sealing block 414 in the embodiment, the sealing block 414 can seal the first groove 411 to prevent crushed stones from entering the first sliding groove 411 to block the first sliding groove 411 during ore crushing, so that the movement of the wear-resistant ring 331 in the first sliding groove 411 and the second sliding groove 412 is influenced.

In this embodiment, the middle of the hammer disk 101 is provided with a square hole 212.

Through the arrangement of the square hole 212 in the embodiment, relative sliding cannot occur between the spindle 100 and the hammer disk 101, so that the effect of driving the hammer disk 101 to rotate by rotating the spindle 100 is better.

Example 2

As shown in fig. 1 to 6, the present embodiment provides a crusher rotor, including a main shaft 100, including the crusher rotor disk described in embodiment 1, the disk 101 is fixed on the main shaft 100 through a key 104, a hammer shaft 102 is connected in a hammer shaft hole 211 through the hammer shaft hole 211, and a hammer head 103 is rotatably disposed around the hammer shaft 102 and attached to a wear-resistant ring 331; the hammer shaft end cover 611 is connected with the end part of the hammer shaft 102 through a bolt 612, and the end face hammer disc 101a is welded with the surface of the main shaft 100; a bearing 105 is arranged on the main shaft 100 and positioned outside the end face hammer disc 101a, a bearing seat 106 is arranged outside the bearing 105, and a belt wheel 107 is further arranged at the end part of the main shaft 100.

Through the arrangement of the bearing 105 and the bearing seat 106 in the embodiment, the main shaft 100 is supported, and the rotation of the main shaft 100 is facilitated; through the setting of big band pulley 107 for big band pulley 107 rotates and can drive main shaft 100 and rotate, thereby drives the rotation of breaker rotor, realizes the breakage to the ore.

When the crusher rotor of the embodiment is used specifically, firstly, the protrusion 511 of the wear-resistant ring 331 corresponds to the first sliding slot 411 and then slides into the bottom of the first sliding slot 411, and then slides into the second sliding slot 412 along the third sliding slot 413, so that the wear-resistant ring 331 is limited; then, after the hammer head 103 is arranged between the hammer disks 101, the crusher rotor is arranged in the crusher, and the motor drives the large belt pulley 107 to rotate so as to drive the crusher rotor to rotate, so that the hammer head 103 crushes the ore entering the crusher; when the wear-resistant block 331 needs to be replaced, the wear-resistant block 331 slides to the bottom of the second sliding groove 412, then slides into the first sliding groove 411 along the third sliding groove 413, and then slides out along the first sliding groove 411.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims

1. A crusher rotor hammer disk characterized in that: a plurality of hammer shaft holes (211) are uniformly formed in the end face of the hammer disc (101) along the circumferential direction of the hammer disc (101), two opposite annular grooves (311) sharing a bottom wall are formed in the two end faces of the hammer disc (101) along the circumferential direction of the hammer shaft holes (211), and through holes (312) communicated with the two grooves (311) are formed in the bottom wall of each groove (311); the grooves (311) are internally provided with annular baffles (321) which can move along the height direction of the grooves (311), springs (322) which penetrate through the through holes (312) are connected between the baffles (321), and the baffles (321) are connected with wear-resistant rings (331) which extend out of the grooves (311); the hammer disc (101) comprises an end face hammer disc (101a) and a middle hammer disc (101b), and a hammer shaft end cover (611) is arranged at a hammer shaft hole (211) of the end face hammer disc (101 a).

2. A crusher rotor hammer disc as claimed in claim 1, wherein: the side wall of the groove (311) is provided with a first sliding groove (411) which is oppositely arranged and extends downwards from the top end surface of the groove (311), the side wall of the groove (311) is also provided with a second sliding groove (412) which is oppositely arranged along the height direction of the groove (311), and the bottoms of the first sliding groove (411) and the second sliding groove (412) are communicated through a third sliding groove (413); and protrusions (511) matched with the first sliding groove (411) and the second sliding groove (412) are arranged on the side surface of the wear-resisting ring (331) and positioned at the bottom of the wear-resisting ring (331).

3. A crusher rotor hammer disc as claimed in claim 2, wherein: a sealing block (414) is arranged at the opening at the top end of the first sliding chute (411).

4. A crusher rotor hammer disc as claimed in claim 2, wherein: the middle part of the hammer disc (101) is provided with a square hole (212).

5. A crusher rotor comprising a main shaft (100), characterized in that: the rotor hammer disc of the crusher comprises the rotor hammer disc of any one of claims 1 to 4, wherein the hammer disc (101) is fixed on the main shaft (100) through a key (104), a hammer shaft (102) is connected in the hammer shaft hole (211) through the hammer shaft hole (211), and a hammer head (103) can be rotatably arranged around the hammer shaft (102) and is attached to the wear-resistant ring (331); the hammer shaft end cover (611) is connected with the end part of the hammer shaft (102) through a bolt (612), and the end face hammer disc (101a) is connected with the surface of the main shaft (100) in a welding mode; a bearing (105) is arranged on the main shaft (100) and positioned on the outer side of the end face hammer disc (101a), a bearing seat (106) is arranged outside the bearing (105), and a belt wheel (107) is further arranged at the end part of the main shaft (100).