JP2001162186A - Upper spherical surface bearing device of inertial cone crusher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize the upper spherical surface bearing device of an inertial cone crusher with the bouncing of a mantle prevented. SOLUTION: This bearing device is provided with a shell 4, a spherical seat support 2 furnished to the shell 4, a spherical seat 7 attached to the support 2, a conehead 1 5 borne by the seat 7 and rotating eccentrically, a mantle 16 attached to the conehead 15 and a conecave 6 attached to the shell 4 in opposition to the mantle 16. In the inertial cone crusher for crushing a raw ore between the mantle 16 and conecove 6 by eccentrically rotating the conehead 15 on the seat 7, a spherical bearing 20 is arranged at the center O of curvature of the seat 7, the inner ring of the bearing 20 is fixed to a main shaft 13, and the outer ring is supported by an adjusting ring 21 furnished to the shell 4 with a slight gap in between.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an upper spherical bearing device for an inertial cone crusher. Specifically, corn cave and
In an inertial conical crusher for crushing a stone material by a mantle attached to a conical head which rotates eccentrically with respect to the cone cave, a spherical bearing is provided at an upper end of a main shaft supporting the conical head, and the mantle dances. The present invention relates to an upper spherical bearing device of an inertia cone crusher which has been prevented.

[0002]

2. Description of the Related Art A conventional inertial cone crusher will be described with reference to FIG. This is provided with a substantially cylindrical shell 4 having a material inlet 1 at an upper part, a spherical seat support 2 at an intermediate part, and a bearing part 3 at a lower part supported by an anti-vibration rubber 5, A cone cave 6 having an inverted conical surface is attached to the lower part of the material inlet 1 of the shell 4, a spherical seat 7 is attached to the spherical seat support 2, and a motor 8 A drive shaft 11 driven via a belt 9 and a pulley 10 is supported.

[0003] One end of a spindle shaft 12 capable of transmitting rotation and swinging is supported on the drive shaft 11, and the other end of the spindle shaft 12 is connected to the main shaft 13 so as to transmit rotation and swingably. Have been. An unbalance unit 14 is attached to the lower part of the main shaft 13, a conical head 15 supported by the spherical seat 7 is attached to the upper part, and a mantle 16 is attached to the upper surface of the conical head 15 so as to face the cone cable 6. ing. The conical head 15 can rotate on the spherical seat 7 and can swing along the spherical surface. Reference numeral 17 denotes a dust seal provided on the spherical seat support 2 so as to seal between the conical head 15 and the spherical seat support 2.

The operation of the conventional inertial conical crusher thus constructed will be described with reference to FIG. First, at the left end of the crushing chamber formed by the cone cave 6 and the mantle 16 in the state shown in FIG. 3A, the mantle 16 is rotated by the centrifugal force generated by the rotation of the unbalance unit 14 so that the gap between the mantle 16 and the cone cave 6 approaches 0 mm. The raw stone 19 is crushed to move, and the crushing chamber is vibrating at the right end, so that the raw stone fill state becomes a high density state.

When the mantle 16 rolls and reaches the state shown in FIG. 1B, the product obtained by compression and crushing is quickly discharged at the left end of the crushing chamber by gravity and vibration. Further, when the mantle 16 rolls and comes to the state shown in (c), the crushing chamber is filled with the ore at the left end, and at the right end, the ore in the high-density state is removed from the gap between the mantle 16 and the cone cave 6, as shown in FIG. The mantle 16 rolls so as to approach 0 mm, so that there is no escape area for the particles, and the particles are crushed by each other to perform complete interparticle crushing.

[0006]

In the above conventional inertial cone crusher, when the crushed product contains moisture, mud, etc., packing occurs and the mantle 16 attached to the conical head 15 is removed. Intense dance movements cause the following problems. The spherical seat mounted on the spherical support 2 has a mantle 16
Is deformed by the impact load when it moves up and down violently. Since the dust seal 17 has a structure of sealing by the elastic force of rubber, the mantle 1 attached to the conical head 15
Due to the unstable state of the rolling motion of No. 6, the elastic force of the rubber cannot follow the unstable motion of the conical head 15, and the sealing effect is reduced. Rolling motion of the mantle 16 becomes unstable, and a strong impact load may be generated to cause breakage.

SUMMARY OF THE INVENTION In view of the above-mentioned conventional problems, it is an object of the present invention to provide an upper spherical bearing device of an inertial conical crusher in which a spherical bearing is provided at an upper end of a main shaft for supporting a conical head and dancing motion of a mantle is prevented. And

[0008]

SUMMARY OF THE INVENTION An upper spherical bearing device of an inertial conical crusher according to the present invention comprises a shell 4, a spherical seat support 2 provided on the shell 4, and a spherical seat support 2 attached to the shell 4. A spherical seat 7, a conical head 15 supported by the spherical seat 7 and driven to rotate eccentrically, a mantle 16 attached to the conical head 15, and attached to the shell 4 opposed to the mantle 16. Corn cave 6 and
In the inertial conical crusher that crushes a rough stone between the mantle 16 and the cone cave 6 by rotating the conical head 15 eccentrically on the spherical seat 7, the center O of the spherical curvature of the spherical seat 7 The spherical bearing 20 is disposed, the inner ring of the spherical bearing 20 is fixed to the main shaft 13, and the outer ring is supported by an adjusting ring 21 provided on the shell 4 with a small gap.

[0009] By adopting this configuration, water and
Even when mud is included, the mantle and the conical head rotate without deviating from above the spherical seat 7 by the spherical bearing located at the center of the spherical curvature of the spherical seat, so that the mantle does not move, and the spherical seat does not move. And the deformation or breakage of the mantle is prevented.

[0010]

1 and 2 are views for explaining an embodiment of an upper spherical bearing device of an inertial conical crusher according to the present invention, and FIG. 1 is a diagram showing the use of the upper spherical bearing device of the present invention. FIG. 2 is an enlarged sectional view of the upper spherical bearing device.

In FIG. 1, reference numeral 4 denotes a substantially cylindrical shell supported by an anti-vibration rubber 5. The shell 4 has a material inlet 1 at an upper portion, a spherical seat support 2 at an intermediate portion, and a lower portion at a lower portion. Bearing portions 3 are provided, respectively. In the lower part of the material inlet 1, an inverted conical cone cable 6 is provided.
A spherical seat 7 is provided on the shaft, and the drive shaft 1 is rotatably mounted on the bearing 3.
1 are attached.

The drive shaft 11 is connected to one end of a spindle shaft 12 that transmits rotation and can swing.
The other end of the spindle shaft 12 is connected to a rotatable and swingable main shaft 13. An unbalance unit 14 is attached to the lower part of the main shaft 13, and the conical head 1 is attached to the upper part.
5 and mantle 16 are mounted.

The conical head 15 and the mantle 16
Is rotationally driven by a spindle 8 and a main shaft 13 which are rotationally driven from a motor 8 via a V-belt 9 and a pulley 10. At this time, since the unbalance unit 14 rotates together with the main shaft 13 to generate centrifugal force and tilt the main shaft, the conical head 15 and the mantle 16 make a rotational movement while being eccentric on the spherical seat 7, and the mantle 16 is moved between the cone cave 6 and the mantle 16. Can be used to break rough.
The configuration described above is the same as that of the conventional example described with reference to FIG. 3, and the feature of the present invention is that the upper portion of the main shaft 13 is extended and a spherical bearing 20 for supporting the tip is provided.

FIG. 2 is an enlarged view of the upper spherical bearing device in FIG. In this upper spherical bearing device, as shown in the figure, a spherical bearing 20 is arranged at the center O of the spherical curvature of the spherical seat 7, and the inner ring of the spherical bearing 20 is fixed to the main shaft 13,
The outer ring is supported by an adjusting ring 21 provided on the upper part of the shell 4 with a slight gap. The adjusting ring 21 has a male screw formed on the outer periphery thereof. The adjusting ring 21 is screwed into a female screw formed inside the shell 4 and can be rotated up and down to adjust its position. The spherical bearing 20 is supported in a cylinder formed at the center.

In this embodiment constructed as described above, the main shaft 1 is mounted on the spherical bearing 20 provided at the center of the spherical curvature of the spherical seat 7.
3, the point of the main shaft 13 supported by the spherical bearing 20 cannot move left and right and moves vertically even when the product contains moisture, mud, and the like. Therefore, the conical head 15 and the mantle 16 can move only along the spherical surface of the spherical seat 7, and the mantle 16 performs stable high-speed rotation with a gap of almost 0 mm on the inner surface of the cone cave 6 via the product. The mantle 16 is prevented from dancing.

Even when the mantle 16 and the cone cable 6 are worn and the gap between the mantle 16 and the cone cable 6 becomes large, the cone cable 6 attached to the adjustment ring 21 is not removed.
By turning the adjustment ring 21, the user can move downward to always obtain a constant gap with respect to the mantle 16. At this time, since the outer ring of the spherical bearing 20 is attached to the adjusting ring 21 with a small gap, the outer ring can always be located at the center of curvature O of the spherical seat 7.

[0017]

According to the upper spherical bearing device of the inertial cone crusher of the present invention, the main shaft supporting the conical head and the mantle is extended upward, and the upper end is provided at the center of the spherical curvature of the spherical seat. The support of the spherical bearing can prevent the mantle from dancing, thereby preventing damage to the dust seal, the mantle, the spherical seat, and the like.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an inertial conical crusher to which an upper spherical bearing device according to an embodiment of the present invention is applied.

FIG. 2 is a cross-sectional view of the upper spherical bearing device according to the embodiment of the present invention.

FIG. 3 is a sectional view showing a conventional inertial cone crusher.

FIG. 4 is a view for explaining the operation of a conventional inertial cone crusher.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Material input port 2 ... Spherical seat support 3 ... Bearing part 4 ... Shell 5 ... Anti-vibration rubber 6 ... Cone cable 7 ... Spherical seat 8 ... Motor 9 ... V belt 10 ... Pulley 11 ... Drive shaft 12 ... Spindle shaft 13 ... Main shaft 14 ... Unbalance unit 15 ... Conical head 16 ... Mantle 17 ... Dust seal 19 ... Rough stone 20 ... Spherical bearing 21 ... Adjustment ring

Claims (1)

[Claims] 1. A shell (4), a spherical seat support (2) provided on the shell (4), a spherical seat (7) mounted on the spherical seat support (2), and the spherical surface. Conical head (15) supported on seat (7) and driven to rotate eccentrically
And a mantle (1) attached to the conical head (15).
6) and a cone cable (6) attached to the shell (4) opposite to the mantle (16), wherein the conical head (15) is rotationally driven while being eccentric on the spherical seat (7). Thereby, in the inertial conical crusher for crushing the rough between the mantle (16) and the cone cave (6), the spherical bearing (20) is arranged at the center (O) of the spherical curvature of the spherical seat (7). An inner ring of the spherical bearing (20) is fixed to the main shaft (13), and an outer ring is supported by an adjusting ring (21) provided on the shell (4) with a small gap. Upper spherical bearing device of cone crusher.