CN216778970U

CN216778970U - Rotor hammer disc structure of mine crusher

Info

Publication number: CN216778970U
Application number: CN202123116639.0U
Authority: CN
Inventors: 任治美
Original assignee: Anyouji Tianjin Technology Development Co ltd
Current assignee: Anyouji Tianjin Technology Development Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-06-21
Anticipated expiration: 2031-12-09

Abstract

The utility model relates to the field of hammer disc structures of crushers, in particular to a rotor hammer disc structure of a mine crusher. Including the hammer dish, hammer dish outer wall middle part is equipped with pulverizes the wheel, still includes: the chute is arranged at the position where the hammer disc is connected with the crushing wheel, and the two ends of the inner wall of the hammer disc, which are connected with the crushing wheel, slide on the inner wall of the chute; the contraction spring is positioned at the bottom of the inner side of the sliding chute, and one end of the contraction spring, which is far away from the inner bottom wall of the sliding chute, abuts against the outer wall of one end of the grinding wheel, which is connected with the inner side of the sliding chute; the chute is additionally arranged at the position where the hammer disc is connected with the grinding wheel, and the contraction spring is additionally arranged on the inner side of the chute, so that the grinding wheel can contract towards the inner side of the chute when being impacted by larger stones in the working process, the grinding wheel is prevented from directly bearing the impact of the stones, the safety of the grinding wheel in the working process is improved, and the service life of the grinding wheel can be prolonged.

Description

Rotor hammer disc structure of mine crusher

Technical Field

The utility model relates to the field of hammer disc structures of crushers, in particular to a rotor hammer disc structure of a mine crusher.

Background

The crusher equipment is used as main power equipment for mining and mainly used for crushing stones with different sizes, and mainly comprises a jaw crusher, an impact crusher, a ring hammer crusher, a cone crusher and the like.

At present, the hammer disks that the breaker used divide into more kinds according to the breaker of different grade type again, and wherein rotor hammer disks generally can adopt the hammer disks to carry out the breakage to bold stone at the in-process that uses, and the crushing wheel at hammer disks middle part can carry out the detail with the stone after the breakage and smash, but current crushing wheel is at the during operation, because the stone directly strikes the outer wall of hammer disks, can cause the crushing wheel can directly contact with the stone, leads to the damage of crushing wheel.

Therefore, it is necessary to provide a rotor disc structure of a mine crusher to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a rotor hammer disc structure of a mine crusher.

The utility model provides a rotor hammer disc structure of a mine crusher, which comprises: hammer disk, hammer disk outer wall middle part is equipped with and pulverizes the wheel, still includes:

the chute is arranged at the position where the hammer disc is connected with the crushing wheel, and the two ends of the inner wall of the hammer disc, which are connected with the crushing wheel, slide on the inner wall of the chute;

and the contracting spring is positioned at the bottom of the inner side of the chute, and one end of the contracting spring, which is far away from the inner bottom wall of the chute, abuts against the outer wall of one end of the crushing wheel, which is connected with the inner side of the chute.

Preferably, the middle part of the outer wall of the hammer disc is provided with a contraction groove, the crushing wheel is positioned in the middle part of the contraction groove, and the sliding groove is arranged on the inner wall of the contraction groove.

Preferably, the outer wall of the hammer disc is provided with crushing teeth distributed in an annular and equidistant mode, and one end of the crushing wheel is located on the outer side of the crushing teeth.

Preferably, the position of the grinding wheel connected with the contraction spring is sleeved with a shaft sleeve, one end of the contraction spring connected with the grinding wheel is abutted to the outer surface of the shaft sleeve, a clamp spring groove is formed in the position of the inner bottom surface of the sliding groove connected with the contraction spring, and the contraction spring is embedded in the inner wall of the clamp spring groove.

Preferably, the outer wall of the crushing wheel is provided with crushing openings which are distributed in an annular and equidistant mode, and grinding teeth are arranged between the crushing openings.

Preferably, the middle part of the hammer disc is provided with a rotor hole, and the inner wall of the rotor hole is provided with a positioning clamping groove.

Compared with the related art, the rotor hammer disc structure of the mine crusher provided by the utility model has the following beneficial effects:

1. the utility model adds the chute at the position where the hammer disc is connected with the crushing wheel, and adds the contraction spring at the inner side of the chute, so that the crushing wheel can contract towards the inner side of the chute when being impacted by larger stones in the working process, and the crushing wheel is prevented from directly bearing the impact of the stones, thereby improving the safety of the crushing wheel in the working process, prolonging the service life of the crushing wheel, and after the crushing wheel contracts to the inner side of the hammer disc, the hammer disc can have larger area of crushing teeth to contact the stones, thereby increasing the crushing efficiency of the hammer disc.

2. The shaft sleeve is sleeved at the position where the grinding wheel is connected with the hammer disc, so that the shaft sleeve can be used for compressing the contraction spring to the inner wall of the sliding groove in the contraction process of the grinding wheel, the situation that a clamping shell is generated between the contraction spring and the grinding wheel is avoided, the service life of the contraction spring is longer, and smaller stones can be crushed again by the crushing openings which are arranged at equal intervals on the outer wall of the grinding wheel, so that the grinding efficiency of the grinding teeth is improved.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a rotor disk hammer structure of a mine crusher according to the present invention;

FIG. 2 is a schematic view of the structure shown in FIG. 1, with a middle section;

FIG. 3 is a schematic view of the grinding wheel shown in FIG. 1;

FIG. 4 is a schematic view of the hammer disks and grinding wheels shown in FIG. 1, structurally exploded.

The reference numbers in the figures: 1. a hammer plate; 2. a rotor bore; 3. crushing teeth; 4. a contraction groove; 5. a grinding wheel; 6. a chute; 7. a retraction spring; 8. a shaft sleeve; 9. a clamp spring groove; 10. a crushing port; 11. and (6) grinding the teeth.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Referring to the drawings, an embodiment of the present invention provides a rotor hammer disk structure of a mine crusher, where the rotor hammer disk structure of the mine crusher includes:

hammer disk 1, hammer disk 1 outer wall middle part is equipped with and pulverizes wheel 5, still includes:

the chute 6 is arranged at the position where the hammer disc 1 is connected with the grinding wheel 5, and the grinding wheel 5 is connected with two ends of the inner wall of the hammer disc 1 and slides on the inner wall of the chute 6;

the contraction spring 7 is positioned at the bottom of the inner side of the sliding chute 6, and one end of the contraction spring 7, which is far away from the inner bottom wall of the sliding chute 6, abuts against the outer wall of one end of the grinding wheel 5, which is connected with the inner side of the sliding chute 6.

It should be noted that: the shrink groove 4 has been seted up at 1 outer wall middle part of hammer disks, pulverizes wheel 5 and is located 4 middle parts of shrink groove to 4 inner walls of shrink groove are seted up to spout 6, and 1 outer wall of hammer disks is equipped with the broken tooth 3 that ring shape equidistance distributes, pulverizes 5 one end of wheel and is located 3 outsides of broken tooth, and rotor hole 2 has been seted up at 1 middle part of hammer disks, and positioning channel groove has been seted up to rotor hole 2 inner wall.

In the present embodiment: according to the utility model, the chute 6 is additionally arranged at the position where the hammer disc 1 is connected with the crushing wheel 5, and the contraction spring 7 is additionally arranged on the inner side of the chute 6, so that the crushing wheel 5 can contract towards the inner side of the chute 6 when being impacted by a large stone in the working process, the crushing wheel 5 is prevented from directly bearing the impact of the stone, the safety of the crushing wheel 5 in the working process is improved, the service life of the crushing wheel 5 can be prolonged, and the hammer disc 1 can be provided with larger-area crushing teeth 3 to be contacted with the stone after the crushing wheel 5 contracts to the inner side of the hammer disc 1, so that the crushing efficiency of the hammer disc 1 is increased.

In the embodiment of the utility model, please refer to the attached drawings, a shaft sleeve 8 is sleeved at the connecting position of the grinding wheel 5 and the contraction spring 7, one end of the contraction spring 7 connected with the grinding wheel 5 abuts against the outer surface of the shaft sleeve 8, a jump ring groove 9 is arranged at the position of the inner bottom surface of the chute 6 connected with the contraction spring 7, the contraction spring 7 is embedded in the inner wall of the jump ring groove 9, crushing ports 10 distributed in a circular shape at equal intervals are arranged on the outer wall of the grinding wheel 5, and grinding teeth 11 are arranged between the crushing ports 10;

in the present embodiment: according to the utility model, the shaft sleeve 8 is sleeved at the connecting position of the grinding wheel 5 and the hammer disc 1, so that the shaft sleeve 8 can be adopted to compress the contraction spring 7 to the inner wall of the chute 6 in the contraction process of the grinding wheel 5, the case of shell clamping between the contraction spring 7 and the grinding wheel 5 is avoided, the service life of the contraction spring 7 is longer, and the crushing openings 10 which are arranged at equal intervals are formed in the outer wall of the grinding wheel 5, so that smaller stones can be crushed again, and the grinding efficiency of the grinding teeth 11 is improved.

The use process comprises the following steps: when the crusher works, the crusher rotor can drive the hammer disc 1 to rotate, after the hammer disc 1 rotates, a stone falls to the outer side of the crushing teeth 3 on the outer wall of the hammer disc 1 and can be crushed by the crushing teeth 3, when the stone falls to the outer side of the crushing wheel 5, the crushing wheel 5 can contract towards the inner side of the chute 6 on the inner wall of the hammer disc 1 under the pressure, the stone is contacted with the crushing teeth 3, the crushing teeth 3 crush the stone, in the process that the crushing wheel 5 contracts towards the inner side of the chute 6, the shaft sleeves 8 sleeved at two ends of the crushing wheel 5 can compress the contraction springs 7, after the crushing wheel 5 loses the pressure of the stone, the springs can push the crushing wheel 5 to the outer side of the hammer disc 1, the crushed stone of the crushing teeth 3 is rolled, when the crushed stone is rolled by the crushing wheel 5, the crushing openings 10 formed in the outer wall of the crushing wheel 5 can crush the stone again, and finally, the crushing teeth 11 can crush the stone quickly.

The circuits and controls involved in the present invention are prior art and will not be described in detail herein.

The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.

Claims

1. The utility model provides a mine breaker's rotor hammer disks structure, includes hammer disks (1), hammer disks (1) outer wall middle part is equipped with crushing wheel (5), its characterized in that still includes:

the chute (6) is arranged at the position where the hammer disc (1) is connected with the grinding wheel (5), and the grinding wheel (5) is connected with two ends of the inner wall of the hammer disc (1) and slides on the inner wall of the chute (6);

the contraction spring (7), the contraction spring (7) is located the inboard bottom of spout (6), the one end butt that the inner bottom wall of spout (6) is kept away from in the contraction spring (7) is in crushing wheel (5) connection spout (6) inboard one end outer wall.

2. The rotor-hammer disk structure of a mine crusher according to claim 1, characterized in that the outer wall of the hammer disk (1) is provided with a contraction groove (4) in the middle, the grinding wheel (5) is positioned in the middle of the contraction groove (4), and the sliding groove (6) is provided in the inner wall of the contraction groove (4).

3. The rotor-hammer disk structure of a mine crusher according to claim 1, characterized in that the outer wall of the hammer disk (1) is provided with crushing teeth (3) distributed equidistantly in a circular ring shape, and one end of the crushing wheel (5) is positioned outside the crushing teeth (3).

4. The rotor hammer disc structure of the mine crusher according to claim 1, wherein a shaft sleeve (8) is sleeved at a position where the crushing wheel (5) is connected with a contraction spring (7), one end of the contraction spring (7) connected with the crushing wheel (5) abuts against the outer surface of the shaft sleeve (8), a clamp spring groove (9) is formed at a position where the contraction spring (7) is connected with the inner bottom surface of the sliding groove (6), and the contraction spring (7) is embedded in the inner wall of the clamp spring groove (9).

5. The rotor-hammer disk structure of a mine crusher according to claim 1, wherein the outer wall of the crushing wheel (5) is provided with crushing openings (10) which are distributed in a circular ring shape at equal intervals, and grinding teeth (11) are arranged between the crushing openings (10).

6. The rotor hammer disc structure of the mine crusher according to claim 1, wherein a rotor hole (2) is formed in the middle of the hammer disc (1), and a positioning clamping groove is formed in the inner wall of the rotor hole (2).