JP2000015309A - Bearing device for rolling roll in rolling mill - Google Patents

Abstract

PROBLEM TO BE SOLVED: To roll a base stock by surely inclining rolling rolls by easy operation of only adjusting the positions of supporting members of the bearings on one end sides of the rolling rolls without damaging the degree of sealing of rolling chambers of a vacuum chambers inside right and left bearing boxes of a housing. SOLUTION: By supporting both end parts of the upper rolling roll and lower rolling roll having rolling parts 3 for rolling a base stock which is fed from the front and rear in the right and left bearing boxes 2 of the housing 1 freely rotatably at a proper interval in the vertical direction through bearings 6 having self-aligning performance and also mounting spherical washers 7 and ring-like sealing materials 8, 9 made of rubber between the shafts of the rolling rolls 4, 5 and the bearing boxes 8, 9, the adhesion performance of the rolling rolls 4, 5 is secured. Moreover, a height adjusting mechanism for adjusting the height on the side of one end part or on both end parts is mounted on the supporting members of both the bearings 6 of the rolling rolls 4, 5 so that an inclined angle is properly freely set.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rolling roll bearing device for a rolling mill suitable for rolling a material by inclining a roll axis mainly in a vacuum or atmosphere.

[0002]

2. Description of the Related Art Conventionally, a rolling roll bearing device of this kind is composed of an upper rolling roll and a lower rolling roll having rolling portions for rolling materials supplied from the front and rear directions at the center portions in the longitudinal direction of the housing on the left and right bearing boxes of the housing. Both ends with the side rolling roll are supported rotatably via bearings such as a roller bearing and a tapered roller bearing.When the upper rolling roll and the lower rolling roll are inclined, the bearing box is also inclined in the same manner. I was

[0003]

However, in a rolling mill having a vacuum chamber as a rolling room inside the left and right bearing boxes of the housing, conventionally, when the upper rolling roll and the lower rolling roll are inclined, the bearing box is also required. To incline,
A gap was created between the vacuum chamber and the bearing housing, sealing was impaired, and only a small amount of inclination within the elastic limit of the rubber packing could be applied.

Accordingly, an object of the present invention has been made in view of the above-mentioned point of view, and one end of a rolling roll is provided inside a left and right bearing box of a housing without impairing the sealing degree of a rolling chamber of a vacuum chamber. It is an object of the present invention to provide a rolling roll bearing device in a rolling mill capable of rolling a material by reliably inclining the rolling roll by an extremely easy operation only by adjusting the position of the support member of the bearing on the side of the unit.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a rolling roll bearing device in a rolling mill according to the present invention has a rolling chamber having a vacuum chamber as a rolling chamber inside left and right bearing boxes of a housing. In the left and right bearing boxes of the housing, both ends of an upper rolling roll and a lower rolling roll each having a rolling section for rolling a material supplied from the front-rear direction to a central portion in the longitudinal direction thereof, having an automatic centering performance. Along with being supported rotatably at appropriate intervals in the vertical direction via bearings, a spherical washer and a rubber ring-shaped sealing material are mounted between the rolling roll shaft and the bearing box, and the rolling rolls are brought into close contact with each other. A height adjusting mechanism for adjusting the height of one end or both ends is mounted on the support member of the two bearings of the rolling roll so as to ensure the performance, and the tilt angle can be set as appropriate.

Further, the height adjusting mechanism lifts the support members of the two bearings of the upper rolling roll so as to be vertically movable via appropriate lifting members.
One formed by connecting a pressing screw for moving the support member of one bearing up and down at the time of disengagement and simultaneously moving the support member of both bearings up and down at the time of disengagement via a clutch interlocked with the drive shaft of the motor. It is.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, as a preferred embodiment of the present invention, a state in which a material is rolled by inclining a roll axis in a vacuum or atmosphere will be described with reference to the drawings.

As shown in FIGS. 1 to 3, a rolling roll bearing device in a rolling mill according to the present invention is a rolling mill having a vacuum chamber 10 as a rolling room inside left and right bearing boxes 2 of a housing 1. The upper and lower rolling rolls 4 and 5 each having a rolling section 3 for rolling a raw material supplied from the front and rear direction to the central portion in the longitudinal direction of each of the left and right bearing housings 2 are provided with self-aligning performance. The bearings 6 are rotatably supported at appropriate intervals in the vertical direction via bearings 6, and a spherical washer 7 and rubber ring-shaped seal members 8, 9 are provided between the rolling rolls 4 and 5 and the bearing box 2. To ensure the adhesion performance of the rolling rolls 4 and 5,
A height adjusting mechanism 12 for adjusting the height of one end or both ends of the support member 11 of the two bearings 6 of the rolling rolls 4 and 5.
Are formed so that the inclination angle can be freely set.

[0009] The height adjusting mechanism 12 adjusts the support member 11 of the dual bearing 6 of the upper rolling roll 4 by appropriately lifting the lifting member 1.
The support member 11 of the two bearings 6 is lifted up and down via the clutch 14 interlocked with the drive shaft of the motor. Further, the screw-down screws 15 for simultaneously moving the support members 11 of the two bearings 6 up and down at the time of engagement are formed so as to be respectively connected.

That is, the height adjusting mechanism 12 supports the support members 11 of the two bearings 6 of the upper rolling roll 4 on the left and right bearing boxes 2 of the housing 1 with the pair of front and rear lifting rods 16 and the support pieces 17. Appropriate lifting member 1 comprising compression coil spring 18
3 to be lifted up and down freely, and
When the clutch 14 is disengaged from the support member 11 of the dual bearing 6 via a clutch 14 linked to a drive shaft of a motor and a worm and a worm wheel in a worm case 19 linked to the clutch 14. Bearing 6
The screw-down screws 15 for vertically moving the supporting member 11 and simultaneously moving the supporting member 11 of the two bearings 6 up and down when the clutch 14 is engaged are connected.

The bearing 6 having the self-aligning performance may be any of a self-aligning roller bearing, a self-aligning ball bearing, a spherical plain bearing and the like.

[0012]

As described above, the bearing device for the rolling roll in the rolling mill according to the present invention comprises the left and right bearing housings 2 of the housing 1.
In a rolling mill having a vacuum chamber 10 as a rolling chamber inside the upper side rolling roll 4 having a rolling section 3 for rolling materials supplied from the front and rear directions to the left and right bearing boxes 2 of the housing 1 at the longitudinal center portions thereof. And lower rolling rolls 5 are rotatably supported at appropriate intervals in the vertical direction via bearings 6 having self-aligning performance at appropriate intervals, and the rolling rolls 4, 5 shaft and the bearing box 2 A spherical washer 7 and rubber ring-shaped sealing materials 8 and 9 are mounted between the rolls 4 and 5 to ensure the close contact performance of the rolling rolls 4 and 5, and to the support member 11 of the dual bearing 6 of the rolling rolls 4 and 5. Since the height adjusting mechanism 12 for adjusting the height of one end or both ends is mounted so that the inclination angle can be set as appropriate, the bearing housing 2 and the rubber ring-shaped sealing material 8 can be Keep the air tightness of rolls 4 and 5 In addition, the bearing housing 2 and the bearing 6 are securely sealed by the spherical washer 7 and the rubber ring-shaped sealing material 9, and even if the rolling rolls 4 and 5 are inclined, the bearing housing 2 is kept in the vacuum chamber 10 (rolling). To the upper rolling roll 4 by the height adjusting mechanism 12 of the support member 11 of the dual bearing 6 of the upper rolling roll 4 while maintaining the airtightness of the vacuum chamber 10 without inclination.
By simply adjusting the height of the support member 11 of the bearing 6 at one end of the upper rolling roll 4, the upper rolling roll 4 is set to an appropriate inclination angle, and the upper rolling roll 4 and the lower rolling roll 5 are adjusted.
Is reliably trapezoidal, so that the material can be reliably rolled into a trapezoidal cross section.

Therefore, the position of the support member 11 of the bearing 6 at one end of the rolling rolls 4, 5 is adjusted without impairing the sealing of the rolling chamber of the vacuum chamber 10 inside the left and right bearing boxes 2 of the housing 1. With only a very easy operation, the rolls 4 and 5 can be reliably inclined to roll the material.

In this case, it is very easy to adjust the height of the support members 11 of the bearings 6 at both ends of the upper rolling roll 4 by the height adjusting mechanism 12, so that the upper rolling roll 4 and the lower rolling roll can be adjusted. Since the roll 5 can be set in parallel and the interval between the upper rolling roll 4 and the lower rolling roll 5 can be made rectangular, the raw material can of course be rolled into a normal rectangular cross section. is there.

Further, the height adjusting mechanism 12 adjusts the support member 11 of the dual bearing 6 of the upper rolling roll 4 by appropriately
The support member 11 of the two bearings 6 is lifted up and down via the clutch 14 interlocked with the drive shaft of the motor. In addition, the clutch 14 interlocked with the drive shaft of the motor is disengaged by connecting the screw down screws 15 for simultaneously moving the support members 11 of the two bearings 6 up and down at the time of engagement. The upper rolling roll 4 is set to an appropriate inclination angle by a very easy operation of merely adjusting the height by moving the supporting member 11 up and down, and the interval between the upper rolling roll 4 and the lower rolling roll 5 is further ensured. Since the material can be trapezoidal, the material can be more reliably rolled into a trapezoidal cross section.

In this case, the upper rolling is performed by an extremely simple operation of engaging the clutch 14 interlocked with the drive shaft of the motor and simultaneously moving the support members 11 of the dual bearings 6 up and down to adjust the height. Since the roll 4 and the lower rolling roll 5 are set in parallel and the interval between the upper rolling roll 4 and the lower rolling roll 5 can be made rectangular, the material is rolled into a normal rectangular cross section. Of course, you can.

[Brief description of the drawings]

FIG. 1 is a vertical sectional front view showing an embodiment of the present invention.

FIG. 2 is a vertical sectional plan view of the same.

FIG. 3 is a side view of the same.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Housing 2 Bearing box 3 Rolling part 4 Upper rolling roll 5 Lower rolling roll 6 Bearing 7 Spherical washer 8 Rubber ring-shaped seal material 9 Rubber ring-shaped seal material 10 Vacuum chamber 11 Support member 12 Height adjustment mechanism 13 Lifting Member 14 Clutch 15 Screw down 16 Lifting rod 17 Supporting piece 18 Compression coil spring 19 Warm case

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Masamitsu Takeuchi 4-28-15 Nishishinkoiwa, Katsushika-ku, Tokyo Inside Daito Seisakusho Co., Ltd. (72) Inventor Kazutoshi Sekiya 4-28 Nishishinkoiwa, Katsushika-ku, Tokyo No. 15 Inside Daito Manufacturing Co., Ltd.

Claims (2)

[Claims] In a rolling mill having a vacuum chamber as a rolling chamber inside left and right bearing boxes of a housing, a rolling section for rolling raw materials supplied to the left and right bearing boxes of the housing from the front and rear directions at central portions in the longitudinal direction of each other. Both ends of the upper rolling roll and the lower rolling roll having are supported rotatably at appropriate intervals in the vertical direction via a bearing having self-aligning performance, and the rolling roll shaft and the bearing box A spherical washer and a rubber ring-shaped seal material are mounted between the rolls to secure the close contact performance of the rolling roll, and adjust the height of one end or both ends to the support member of the two bearings of the rolling roll. A bearing device for a rolling roll in a rolling mill, wherein the height adjusting mechanism is mounted so that the inclination angle can be set as appropriate. 2. The height adjusting mechanism lifts support members of both bearings of an upper rolling roll so as to be vertically movable via a lifting member as appropriate, and attaches a drive shaft of a motor to the support members of the two bearings. 2. A screw-down screw for moving the support member of one bearing up and down at the time of disengagement and simultaneously moving up and down the support member of both bearings at the time of disengagement via a clutch interlocked with a screw. Rolling roll bearing device in a rolling mill.