JP2001071004A - Rolling roll - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a break of a shaft in the case when a rolling ring is fixed in a properly settled state and also a metallic material is worked into a bar shape or the like by rolling with the rolling ring by rotating the shaft of this rolling roll in the rolling roll in which the rolling ring is mounted on the outer periphery of the shaft and this rolling ring is fixed by pressing the ring with energizing members which are elastically deformed through a spacer member. SOLUTION: In the rolling roll in which the rolling ring 20 is mounted on the outer periphery of the shaft 10 and this rolling ring is fixed by pressing the ring with the energizing members 13 which are elastically deformed through the spacer member 15 by a pressing means 40, a connecting member 30 with which an amount of deformation of the energizing members is controlled and also rotation of the shaft is transmitted to the spacer member is provided on a side of the outer periphery of the energing member.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rolling roll for rolling a metal material into a rod or the like and, more particularly, to mounting a rolling ring on the outer periphery of a shaft and pressing the rolling ring through a spacer member by pressing means. In a rolling roll adapted to be pressed against and fixed to a biasing member which is elastically deformed, the rolling ring can be appropriately fixed in a fixed state, and the metal material is rolled by the rolling ring to be processed into a rod shape or the like. In this case, the feature is that the shaft is prevented from being damaged.

[0002]

2. Description of the Related Art Conventionally, a rolling roll having a rolling ring mounted on the outer periphery of a shaft has been used for rolling a metal material into a rod shape or the like.

Here, in order to mount the rolling ring on the outer periphery of the shaft as described above, conventionally, this rolling ring is pressed and fixed to an elastically deforming urging member via a spacer member. Rolls were widely used.

[0004] As such a rolling roll,
For example, as shown in FIG. 1, a shaft 10 provided with a flange 11 protruding in a flange shape on one side in the axial direction is used, and an urging member 13 elastically deformed via a spring receiver 12 on the flange 11 of the shaft 10. The disc spring 13 is pressed so as to be mounted, and the spacer ring 15 on one side is brought into contact with the disc spring 13 so that the rolling ring 20 provided with the spacer members 15 and 16 on both sides is mounted on the shaft 10. The rolling ring 20 is pressed by the pressing means 40 from the spacer member 16 side opposite to the disc spring 13.
Is pressed against the disc spring 13 side, and in a state where the disc spring 13 is deformed by an appropriate amount, the pressing means 40 is fixed so as not to move, and the rolling ring 20 is fixed by the returning force of the disc spring 13. I was

[0005] In a conventional rolling roll, FIG.
As shown in FIG. 2 and FIG.
Key grooves 15a and 16a are provided on the inner peripheral side of
Recesses 14 are formed on the outer periphery of the shaft 10 corresponding to the key grooves 15a, 16a of the spacer members 15, 16, respectively.
And the key grooves 15 of the spacer members 15 and 16 are provided.
A key 18 is inserted between a and 16a and the recess 14 provided in the shaft 10, and the key 18 causes the spacer members 15 and 16 to rotate together with the shaft 10 so that the rolling ring 20 is appropriately rotated. Was like that.

However, when the disc spring 13 is deformed as described above and the rolling ring 20 is fixed by the restoring force of the disc spring 13, if the deformation of the disc spring 13 is not appropriate,
There was a problem that the return force of the disc spring 13 was weakened, the disc spring 13 was plastically deformed, the rolling ring 20 was not properly fixed, and the rolling ring 20 was not properly rotated together with the shaft 10. .

[0007] When the metal material is rolled by the rolling ring 20 by rotating the shaft 10 of the rolling roll, a large force is applied to the shaft 10 around the rolling ring 20, and as described above, both sides of the rolling ring 20. Key grooves 15a, 16 of spacer members 15, 16 at
If the recess 14 for inserting the key 18 is provided on the outer periphery of the shaft 10 in correspondence with a, there is also a problem that a large force is applied to the recess 14 and the shaft 10 is damaged.

[0008]

SUMMARY OF THE INVENTION The present invention relates to a rolling roll in which a rolling ring is mounted on the outer periphery of a shaft, and the rolling ring is pressed and fixed to an elastically deforming urging member via a spacer member. It is an object to solve the above problems.

That is, in the present invention, when the rolling ring is pressed and fixed to the elastically deforming urging member via the spacer member, the rolling ring can be appropriately fixed in a constant state, and the rolling ring can be appropriately fixed. An object of the present invention is to prevent a shaft from being damaged when a metal material is rolled by a rolling ring and processed into a rod shape or the like by rotating a shaft of a roll.

[0010]

In the present invention, in order to solve the above-mentioned problems, a rolling ring 20 is mounted on the outer periphery of the shaft 10 and the rolling ring 20 is pressed by the pressing means 40 through the spacer member 15. In a rolling roll, which is pressed against and fixed to the elastically deforming urging member 13, the amount of deformation of the urging member 13 is controlled and the rotation of the shaft 10 is controlled by the spacer member 1.
The connecting member 30 for directly or indirectly transmitting the force to the fifth member 5 is provided on the outer peripheral side of the urging member 13.

As in the rolling roll of the present invention, a connecting member 30 for controlling the amount of deformation of the urging member 13 and transmitting the rotation of the shaft 10 to the spacer member 15 is provided on the outer peripheral side of the urging member 13. When provided, when the rolling ring 20 is pressed and fixed to the elastically deforming urging member 13 via the spacer member 15 by the pressing means 40, the amount of deformation of the urging member 13 is controlled by the connection member 30 described above. The urging member 13 is always deformed by a constant amount of deformation, and the rolling ring 20 is appropriately fixed by the restoring force of the urging member 13.

In the rolling roll according to the present invention, the connecting member 30 is provided on the outer peripheral side of the urging member 13 so that the rotation of the shaft 10 is transmitted to the spacer member 15 by the connecting member 30. 1
There is no need to provide a recess into which the key is inserted at 0. When the shaft 10 of the rolling roll is rotated and the metal material is rolled by the rolling ring 20, a large force is applied to the shaft 10 around the rolling ring 20. Also, the shaft 10 is prevented from being damaged.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A rolling roll according to an embodiment of the present invention will be specifically described below with reference to the accompanying drawings.

As shown in FIG. 3, the rolling roll in this embodiment uses a shaft 10 made of steel or the like and provided with a flange 11 protruding in a flange shape on one side in the axial direction.

The flange 11 of the shaft 10
Then, the disc spring 13 is attached to the shaft 10 by pressing the disc spring 13 as an urging member 13 which is elastically deformed via the spring receiver 12. Then, a ring-shaped connecting member is formed so as to cover the outer periphery of the disc spring 13. The rolling ring 20 provided with the spacer members 15 and 16 on both sides thereof is mounted on the shaft 10 so that the spacer member 15 on one side abuts the disc spring 13. The above-mentioned rolling ring 20 includes a cemented carbide,
Materials such as ceramics having excellent wear resistance are used.

In the connecting member 30, convex portions 31, 32 are respectively projected on both sides in the axial direction at appropriate positions in the circumferential direction, and these convex portions 31, 32 are respectively connected to the outer peripheral portion of the spring receiver 12. Recess 12a provided in
And a concave portion 15a provided on the outer peripheral portion of the spacer member 15 that comes into contact with the disc spring 13, and the connecting member 30 connects the spring receiver 12 and the spacer member 15 on one side that comes into contact with the disc spring 13. I have.

A pressing means 40 is provided on the shaft 10 for pressing the rolling ring 20 against the flange 11 side of the shaft 10 via a spacer member 16 in contact with the rolling ring 20 on the side opposite to the disc spring 13. ing.

Here, in the rolling roll of this embodiment, the inner ring 41 is used as the pressing means 40 described above.
The movable sleeve 42 can be moved toward the rolling ring 20 on the outer peripheral side of the
And the inner ring 4
The inner ring 41 is located at a position farther from the rolling ring 20 than the movable ring 1 and the movable sleeve 42.
And an outer nut 44 for preventing the movable sleeve 42 from moving to the side opposite to the rolling ring 20.
4 is screwed into the outer peripheral side of the inner nut 43.

In order to prevent the pressurized fluid from leaking between the inner ring 41 and the movable sleeve 42, a packing 45 made of an O-ring is provided at a portion where the inner ring 41 and the movable sleeve 42 are in contact with each other. Provided.

In the rolling roll of this embodiment, when the rolling ring 20 is pressed against the flange 11 provided on one side in the axial direction of the shaft 10 by the pressing means 40 and fixed, the outer periphery of the shaft 10 is fixed. The inner ring 41 provided in close contact with the rolling ring 20 is fixed at an appropriate position by the inner nut 43 described above.
In this state, a pressurizing fluid such as oil is introduced between the inner ring 41 and the movable sleeve 42 through the flow path 42a provided in the movable sleeve 42 in this state. The movable sleeve 42 is moved toward the rolling ring 20 by the pressure of the pressurizing fluid.

Then, the rolling ring 20 is connected to the shaft 10 by the movable sleeve 42 via the spacer member 16.
Strongly presses against the flange 11 provided on one side in the axial direction to deform the disc spring 13, and
Until the projections 31 and 32 of the above-mentioned parts are hit by a recess 12a provided on the outer periphery of the spring receiver 12 and a recess 15a provided on the outer periphery of the spacer member 15 on one side in contact with the disc spring 13, and stop. The movable sleeve 42 is moved to the rolling ring 20 side.

Next, while the rolling ring 20 is strongly pressed against the flange 11 by the movable sleeve 42, the outer nut 44 is moved toward the movable sleeve 42 to be pressed against the movable sleeve 42, and the movable sleeve 42 is pressed.
Is prevented from moving to the opposite side of the rolling ring 20 so that the rolling ring 20 is fixed.

Here, as described above, each of the protrusions 31 and 32 of the connecting member 30 is formed by the concave portion 12 a provided on the outer peripheral portion of the spring receiver 12 and the outer peripheral portion of the spacer member 15 on one side contacting the disc spring 13. The movable sleeve 42 is fixed to the rolling ring 20 until it stops against the concave portion 15a provided in the rolling ring 20.
When the disk spring 13 is moved to the side, the deformation amount of the disc spring 13 becomes constant and appropriate, and the return force of the disc spring 13 fixes the rolling ring 20 in a constant and appropriate state.

In the rolling roll according to this embodiment, the flange 11 of the shaft 10 and the spring receiver 12
, A key 50 is provided between the movable sleeve 42 and the spacer member 16 that contacts the rolling ring 20 on the side opposite to the disc spring 13, and between the movable sleeve 42 and the outer nut 44.

When the metal material is rolled by the rolling ring 20 by rotating the shaft 10 in the rolling roll of this embodiment, the flange 11 of the shaft 10
The rotation of the shaft 10 is transmitted to the spring receiver 12 by a key 50 provided between the spring spring 12 and the disc spring 13 and the rolling ring 20 via the connecting member 30.
Is transmitted to the spacer member 15. The rotation of the shaft 10 is movable via the movable sleeve 42 by the key 50 provided between the outer nut 44 and the movable sleeve 42 and the key 50 provided between the movable sleeve 42 and the spacer member 16. It is transmitted to the spacer member 16 between the sleeve 42 and the rolling ring 20.

Then, these spacer members 15, 1
The rolling ring 20 rotates together with the shaft 6 together with the rotation of the shaft 10, so that the rotating rolling ring 20 can appropriately roll the metal material and prevent the shaft 10 from being damaged. Become so.

[0027]

As described above in detail, in the rolling roll according to the present invention, when the rolling ring mounted on the outer periphery of the shaft is pressed against the elastically deforming urging member via the spacer member and fixed thereto, the pressing ring is fixed. Since the connecting member for controlling the amount of deformation of the biasing member and transmitting the rotation of the shaft to the spacer member is provided on the outer peripheral side of the biasing member, the rolling ring is elastically deformed by the pressing means via the spacer member. When the urging member is pressed and fixed, the amount of deformation of the urging member is appropriately controlled by the connection member, and the urging member is constantly deformed by a constant amount of deformation. The rolling ring has always been fixed in an appropriate state.

In the rolling roll according to the present invention, the connecting member is provided on the outer peripheral side of the urging member, and the rotation of the shaft is transmitted to the spacer member by the connecting member. There is no need to provide a recess for inserting the key, and when rotating the shaft of the rolling roll to roll the metal material by the rolling ring, the shaft is damaged even if a large force is applied to the shaft around the rolling ring. Has been prevented.

[Brief description of the drawings]

FIG. 1 is a schematic explanatory view partially sectioning a conventional rolling roll.

FIG. 2 is a cross-sectional explanatory view showing a state in which a key is inserted between a keyway of a spacer member and a recess provided on an outer periphery of a shaft in a conventional rolling roll.

FIG. 3 is a schematic explanatory view in which a rolling roll in one embodiment of the present invention is partially sectioned.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Shaft 12 Spring receiver 12a Concave part 13 Urging member (disc spring) 15 Spacer member 15a Concave part 20 Rolling ring 30 Connecting member 31, 32 Convex part 40 Pressing means

Claims (1)

[Claims] 1. A rolling roll in which a rolling ring 20 is mounted on the outer periphery of a shaft 10 and the rolling ring 20 is pressed against an elastically deforming urging member 13 via a spacer member 15 by a pressing means 40 to be fixed. At
A coupling member 30 for controlling the amount of deformation of the urging member 13 and transmitting the rotation of the shaft 10 directly or indirectly to the spacer member 15 is provided on the outer peripheral side of the urging member 13. Rolling roll.