CN215087432U

CN215087432U - Cone crusher

Info

Publication number: CN215087432U
Application number: CN202121150152.1U
Authority: CN
Inventors: 程健; 蒋明; 周鸯; 刘博铭; 马昭淼; 陈立新
Original assignee: Allis Saga Mining And Construction Co ltd
Current assignee: Allis Saga Mining And Construction Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-12-10
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a cone crusher, including last support body, lower support body, be provided with broken chamber between last support body and lower support body, broken intracavity is provided with the fixed cone assembly and moves the cone assembly, is provided with in moving the cone assembly and is used for driving and moves cone assembly pivoted rotary drive subassembly, move the cone assembly including moving the cone, the rotary drive subassembly is including wearing to establish the eccentric main shaft in moving the cone eccentric main shaft with move and be provided with dustproof seal structure between the cone assembly, dustproof seal structure is including fixing the dust cover on the rotary drive subassembly and setting at the dust cover and moving the dustproof sealing spare between the cone. The utility model provides a cone crusher, crushing effect is good, sealed effect is good, when avoiding the dust to get into still not hinder the movable cone rotation.

Description

Cone crusher

Technical Field

The utility model belongs to the technical field of the breaker correlation technique and specifically relates to a cone crusher is related to.

Background

The existing cone crusher is used for crushing larger stone blocks into small blocks, and is a device commonly used in a mining field. The existing cone crusher usually needs to be provided with a sealing structure between a main shaft and a movable cone assembly to avoid dust entering, if a large amount of dust enters the interior of the crusher, lubricating oil inside a machine body can be polluted, and therefore bad conditions such as heat generation of the machine body are caused, the crusher stops working seriously, and therefore production capacity is greatly reduced. And the normal operation of the movable cone is ensured while the sealing is ensured. The existing dustproof sealing device has high requirements on production technology, and other sealing devices are sealed by combining spring sets, but the springs are easy to lose efficacy and have short service life. The publication No. CN111266148A discloses a sealing structure of a cone crusher and a cone crusher with the sealing structure, which comprises a shell, a movable cone arranged in the shell, an annular cover body covering a balance ring of the cone crusher and an annular body sleeved outside the annular cover body; a sealing ring is arranged between the annular cover body and the casing, the upper end of the annular cover body extends into the movable cone, and the movable cone is provided with an avoiding groove for avoiding the annular cover body; the side wall of the avoiding groove is provided with an annular groove with an opening facing the annular cover body; the lower surface of the annular body is a spherical surface, the annular body is in clearance fit with the annular groove, and the inner surface of the annular body abuts against the outer surface of the annular cover body. In the technical scheme, the annular groove and the annular lifter are in clearance fit, so that the annular groove and the annular body are difficult to tightly attach all the time, and the sealing effect is difficult to ensure.

Disclosure of Invention

The utility model relates to an overcome among the above-mentioned prior art sealed tight, have the dust to enter into and cause inconvenient scheduling problem in the eccentric wheel, provide a cone crusher, crushing effect is good, sealed effect is good, when avoiding the dust to get into still not hinder the movable cone rotation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a cone crusher, includes support body, lower support body, is provided with broken chamber between last support body and lower support body, broken intracavity is provided with the fixed cone assembly and moves the cone assembly, is provided with in moving the cone assembly and is used for driving and moves cone assembly pivoted rotary drive subassembly, move the cone assembly including moving the cone, the rotary drive subassembly is including wearing to establish the eccentric main shaft in moving the cone eccentric main shaft with move and be provided with dustproof sealing structure between the cone assembly, dustproof sealing structure is including fixing the dust cover on the rotary drive subassembly and setting at the dust cover with move the dustproof sealing spare between the cone.

In this technical scheme, the material is broken through the extrusion of deciding the awl assembly and moving the awl assembly in broken intracavity, and crushing effect is good, and the setting of rotary drive subassembly is used for the drive to move the awl assembly and rotates, and dustproof seal structure's setting still does not hinder to move the awl rotatory when avoiding the dust to get into, and wherein the dust cover is used for blockking most dust, and dustproof seal's setting then is to avoid getting into in the gap between the driven cone dust cover of dust, further improves dustproof effect.

Preferably, the movable cone is provided with a movable cone sealing surface for forming a sealing cavity with the dust cover, a sealing gap is arranged between the movable cone sealing surface and the dust cover, and the dust-proof sealing structure is arranged in the sealing gap.

The arrangement of the sealing gap is convenient for installing the dustproof sealing structure, and meanwhile, the movable cone is beneficial to rotating under the action of the eccentric main shaft, and smooth rotation is guaranteed.

Preferably, the dust seal comprises a first seal bulge, a second seal bulge and a seal connecting ring for connecting the first seal bulge and the second seal bulge, and a seal groove for embedding the first seal bulge and a seal notch for arranging the second seal bulge are arranged on the seal surface of the movable cone.

The first sealing bulge and the second sealing bulge form a double sealing structure, and the sealing effect is further improved.

Preferably, the first sealing protrusion is obliquely arranged, and the oblique direction of the first sealing protrusion forms an obtuse included angle structure with the axis line of the sealing connecting ring.

The first sealing protrusion is inclined, so that the situation that the whole crusher is influenced by the obstruction of the first sealing protrusion in the rotating process of the movable cone is avoided.

Preferably, an oil storage chamber is provided at an end of the first seal projection, and an oil passage gap is provided between the oil storage chamber and the first seal projection.

When the movable cone assembly works, the movable cone body generates extrusion force on the first sealing protrusion, so that the oil storage cavity is deformed, lubricating oil in the oil storage cavity flows out from an oil through gap, friction between the dustproof sealing piece and the movable cone body is reduced, the dustproof sealing piece is prevented from obstructing rotation of the movable cone body, and the sealing effect is further improved.

Preferably, the dust cover comprises a straight cylinder and a frustum cylinder, the cross section of the straight cylinder forms an obtuse angle bending structure, the straight cylinder is integrally arranged at one end of the frustum cylinder, the diameter of the frustum cylinder is smaller, the dust sealing piece is attached to the outer side wall of the straight cylinder, a sealing support plate is arranged on the outer side wall of the frustum cylinder, and the sealing support plate is abutted to the dust sealing piece.

The sealing support plate is matched with the movable cone so as to support the lower end of the dustproof sealing piece, and the dustproof sealing piece is more favorably fixed.

Preferably, the lower end of the frustum cylinder is provided with a positioning convex edge, and the positioning convex edge is provided with a positioning spigot used for positioning with the lower frame body.

The setting of the location tang on the location chimb is used for realizing the quick installation between dust cover and the lower carriage body, still plays certain sealed effect simultaneously.

Preferably, a sealing ring is provided between the underside of the positioning flange and the lower frame.

The setting of sealing ring is further sealed the cone crusher, avoids the dust to get into from between the lower rack body and the dust cover and causes inconveniently.

Therefore, the utility model discloses following beneficial effect has: the crushing effect is good, dust is prevented from entering, and the rotation of the movable cone is not hindered; the first sealing bulge and the second sealing bulge form a double sealing structure, so that the sealing effect is further improved; the arrangement of the sealing ring avoids inconvenience caused by dust entering between the lower frame body and the dust cover.

Drawings

FIG. 1 is a sectional view of a cone crusher

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a cross-sectional view of a dust seal;

FIG. 4 is a schematic view of a cone crusher;

in the figure: 1. the device comprises an upper frame body 2, a lower frame body 3, a fixed cone assembly 4, a movable cone body 401, a movable cone sealing surface 402, a sealing groove 403, a sealing notch 5, a dust cover 501, a straight cylinder 502, a frustum cylinder 503, a positioning convex edge 504, a positioning spigot 6, a dust-proof sealing part 601, a first sealing bulge 602, a second sealing bulge 603, a sealing connecting ring 604, an oil storage cavity 605, an oil through gap 7, a sealing ring 8, a balance block 9 and an eccentric main shaft.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

Example 1:

in embodiment 1 shown in fig. 1, fig. 2, and fig. 4, a cone crusher includes a frame body, a crushing assembly and a rotary driving assembly, the frame body includes an upper frame body 1 and a lower frame body 2 which are detachably connected, a crushing cavity is provided between the upper frame body 1 and the lower frame body 2, the crushing assembly is disposed in the crushing cavity, the crushing assembly includes a movable cone assembly disposed on the lower frame body 2 and a fixed cone assembly 3 disposed on the upper frame body 1, the rotary driving assembly is used for driving the movable cone assembly to rotate, the movable cone assembly includes a movable cone 4 and a movable cone lining plate disposed outside the movable cone 4, the rotary driving assembly includes an eccentric main shaft 9 disposed in the movable cone 4 and a balance block 8 fixed below the movable cone 4, and a dustproof sealing structure is provided between the eccentric main shaft 9 and the movable cone 4. Wherein the positioning assembly comprises a fixed cone and a fixed cone lining plate, and the fixed cone lining plate is of an arc structure. In this technical scheme, the material is broken through the extrusion of deciding awl assembly 3 and moving the awl assembly in broken intracavity, crushing effect is good, the setting of rotary drive subassembly is used for the drive to move the awl assembly and rotates, dustproof seal structure's setting still does not hinder to move the awl rotatory when avoiding the dust to get into, wherein dust cover 5 is used for blockking most dust, and dustproof sealing member 6 sets up and then gets into in avoiding the gap between the driven cone 4 dust cover 5 of dust, further improves dustproof effect.

Dustproof sealing structure includes dust cover 5 and dust sealing 6, and wherein dust cover 5 includes that the cross-section forms obtuse angle bending structure's straight section of thick bamboo 501 and frustum section of thick bamboo 502, and straight section of thick bamboo 501 integral type sets up in the less one end of frustum section of thick bamboo 502 diameter, and dust sealing 6 is fixed on straight section of thick bamboo 501 lateral wall, passes through bolt fixed connection at the internal wall face and the balancing piece 8 of dust cover 5. Move the cone 4 cover and establish outside dust cover 5, there is the clearance to form sealed chamber between moving cone 4 and dust cover 5, dust sealing 6 sets up in the sealed intracavity that moves cone 4 and dust cover 5 formation, be provided with the sealed face 401 of moving the cone that is used for forming sealed chamber with dust cover 5 on moving cone 4, the sealed face 401 of structure and the sealed face 401 of moving the cone of the sealed face structure cooperation setting of moving the cone, also be provided with the obtuse angle on sealed face 401 of moving the cone and bend, be provided with seal groove 402 and sealed breach 403 on sealed face 401 of moving the cone, sealed breach 403 sets up the obtuse angle department of bending at sealed face 401 of moving the cone.

As shown in fig. 3, the dust seal 6 includes a first seal projection 601, a second seal projection 602, and a seal connection ring 603 for connecting the first seal projection 601 and the second seal projection 602, wherein the first seal projection 601 is embedded in the first seal groove 402, the second seal projection 602 is disposed in the seal gap 403, the seal connection ring 603 is disposed in the gap between the movable cone 4 and the dust cover 5, and the seal connection ring 603 is fixed on the dust cover. The first sealing bulge 601 is obliquely arranged, the oblique direction of the first sealing bulge 601 and the axis line of the sealing connection ring 603 form an obtuse included angle structure, and the first sealing bulge 601 is obliquely arranged, so that the influence on the crushing effect of the whole crusher caused by the obstruction of the first sealing bulge 601 in the rotating process of the movable cone 4 can be avoided.

Further, an oil reservoir chamber 604 is provided at an end portion of the first seal projection 601, and an oil passage gap 605 is provided between the oil reservoir chamber 604 and the first seal projection 601. When the movable cone assembly works, the movable cone 4 generates extrusion force on the first sealing protrusion 601, so that the oil storage cavity 604 is deformed, lubricating oil in the oil storage cavity 604 flows out from the oil through gap 605, friction between the dust-proof sealing piece 6 and the movable cone 4 is reduced, the dust-proof sealing piece 6 is prevented from obstructing rotation of the movable cone 4, and the sealing effect is improved.

In addition, be provided with the sealed backup pad on the lateral wall of frustum section of thick bamboo 502, sealed backup pad and dust sealing 6 butt, sealed backup pad forms the groove-shaped structure with the cooperation of the sealed breach 403 on the movable cone 4 and is used for fixed first sealed arch 601, more is favorable to dust sealing 6's fixed.

A positioning flange 503 is provided at the lower end of the frustum tube 502, a positioning spigot 504 for positioning with the lower frame 2 is provided on the positioning flange 503, and a seal ring 7 is provided between the lower side of the positioning flange 503 and the lower frame 2. The setting of the location tang 504 on the location chimb 503 is used for realizing the quick installation between dust cover 5 and the lower frame body 2, still plays certain sealed effect simultaneously, and the setting of sealing ring 7 is further sealed the cone crusher, avoids the dust to get into from between the lower frame body 2 and the dust cover 5 and causes inconveniently.

It should be noted that as used in the foregoing description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

The above examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. The utility model provides a cone crusher, includes upper bracket body (1), lower carriage body (2), is provided with broken chamber between upper bracket body (1) and lower carriage body (2), broken intracavity is provided with fixed cone assembly (3) and moves the cone assembly, is provided with in moving the cone assembly and is used for driving and moves cone assembly pivoted rotary drive subassembly, characterized by, move the cone assembly including moving cone (4), rotary drive subassembly is including wearing to establish eccentric main shaft (9) in moving cone (4) be provided with dustproof seal structure between eccentric main shaft (9) and the moving cone (4) assembly, dustproof seal structure is including fixing dust cover (5) on rotary drive subassembly and setting dust cover (5) and moving dust sealing spare (6) between cone (4).

2. A cone crusher in accordance with claim 1, characterized in that the moving cone (4) is provided with a moving cone sealing surface (401) for forming a sealing cavity with the dust cover (5), and that a sealing gap is provided between the moving cone sealing surface (401) and the dust cover (5), and that the dust sealing structure is provided in the sealing gap.

3. The cone crusher according to claim 2, wherein the dust seal (6) comprises a first seal protrusion (601), a second seal protrusion (602) and a seal connecting ring (603) for connecting the first seal protrusion (601) and the second seal protrusion (602), and a seal groove (402) for embedding the first seal protrusion (601) and a seal notch (403) for embedding the second seal protrusion (602) are arranged on the moving cone sealing surface (401).

4. A cone crusher in accordance with claim 3, characterized in that said first sealing protrusion (601) is arranged obliquely, and the direction of inclination of said first sealing protrusion (601) forms an obtuse angle with the line of the axis of the sealing attachment ring (603).

5. A cone crusher in accordance with claim 3, characterized in that an oil reservoir (604) is provided at the end of the first sealing protrusion (601), and that an oil passage gap (605) is provided between the oil reservoir (604) and the first sealing protrusion (601).

6. The cone crusher according to any one of claims 1-5, characterized in that the dust cover (5) comprises a straight barrel (501) and a cone barrel (502) with sections forming an obtuse-angle bending structure, the straight barrel (501) is integrally arranged at one end of the cone barrel (502) with a smaller diameter, the dust seal (6) is attached to the outer side wall of the straight barrel (501), and a seal support plate is arranged on the outer side wall of the cone barrel (502) and abuts against the dust seal (6).

7. A cone crusher in accordance with claim 6, characterized in that a positioning flange (503) is provided at the lower end of the cone drum (502), and a positioning spigot (504) for positioning with the lower frame body (2) is provided on the positioning flange (503).

8. A cone crusher in accordance with claim 7, characterized in that a sealing ring (7) is arranged between the underside of the positioning flange (503) and the lower frame body (2).