JPS6056563B2 - Rolling mill yoke attachment/detachment device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a yoke attaching/detaching device for a rolling mill such as a universal rolling mill.

In detail, for example, when switching from universal rolling to 2hjgh rolling or vice versa, there is a yoke attachment/detachment device equipped with a mechanism that allows the drive-side yoke to be carried in and out in the direction perpendicular to and parallel to the rolling line without coming into contact with the drive spindle. This invention enables easy installation in a limited space. The features of the present invention include a mechanism in which a yoke exchange stand is disposed on the underside of the yoke that is detachable from the rolling mill housing, and is connected to a horizontal movement device to carry the yoke in and out in a direction perpendicular to the rolling line; The yoke exchange traversal pedestal is arranged close to the end of the gantry and in the direction perpendicular to it, but in the shape of this yoke exchange traversal pedestal, the yoke exchange traversal pedestal is spaced apart so as not to interfere with the spindle placed in the rolling mill. A yoke is provided with a traversing device having a moving part that is arranged horizontally along the yoke replacement traversing frame, and the yoke can be carried in and out in a perpendicular direction by the horizontal movement device and the traversing device. It is a detachable device.

An embodiment of the present invention will be described below with reference to the drawings.

In the universal rolling mill, a vertical roll yoke 3 on which vertical rolls 2 are arranged is attached to a rolling mill housing 1, and a yoke 4 is detachably attached to the rolling mill housing 1 with fixing pins 5. The vertical roll yoke 3 is connected to a worm reducer 8 and is movable in the horizontal direction shown by the arrow in FIG. There is. A concave guide groove 10 is provided on the lower surface of the yoke 4.
The guide liner 12 (convex shape), and the yoke 4 is pulled out to a predetermined position in a direction perpendicular to the rolling line. As shown in FIG. 3, the guide liner 12 is sloped at an angle θ1 at a part of the opposing surface between the side surface of the guide liner 12 and the guide groove 10 to allow smooth sliding during this pulling out. Also, on the other side of this slope formation, a guide groove 10 and a guide guide liner 1 are formed.
An appropriate gap a is formed between the two. As shown in FIG. 1, a yoke exchange transverse pedestal 19 is disposed close to the end of the yoke exchange pedestal 11 described above and in a perpendicular direction.

In this arrangement, a predetermined gap is formed between the yoke exchange traverse frames 19 near the spindle 13 arrangement position near the center of the yoke 4, as shown in FIG. 2, so as not to obstruct the vertical movement of the spindle 13. A yoke traversing guide liner 14 is disposed on the yoke exchange traversing frame 19, and the yoke traversing guide liner 14 can be raised and lowered by an elevating device 15, and the traversing moving device 16, the moving section, and the yoke 4 are detachable. It is becoming. In this case, a concave transverse guide groove 17 is formed on the lower surface side of the yoke 4 in a direction perpendicular to the guide groove 10 described above, and the yoke transverse guide liner 1
As shown in FIGS. 4 and 5, the side surface of yoke 4 is arranged so as to form a slope of 02 and to have a gap b so that the yoke traverse guide liner 14 can be easily inserted into the traverse guide groove 17. It facilitates horizontal movement. As described above, the present invention lifts the fixing pin 5 using a lifting device (not shown) installed in the rolling housing 1, and disconnects the yoke 4 housed in the rolling housing 1 from the rolling mill housing 1. The guide groove 10 provided on the lower surface of the yoke 4 is guided by the guide liner 12 in the cylinder 18 disposed in the cylinder 18, so that the yoke 4 is oriented perpendicularly to the rolling line. drawn out.

Next, the yoke traverse guide liner 14 raised by the lifting device 15 enters the traverse guide groove 17 of the yoke 4 on the yoke replacement traverse frame 19, and the yoke traverse guide liner 14 is moved between the yoke 4 and the spindle 13 as shown in FIG. With the spindle position set so that an appropriate clearance c is formed, the yoke 4 is moved to a predetermined position in the direction parallel to the rolling line by the traverse movement device 16 without interfering with the spindle 13.

In this way, the present invention can be used, for example, when switching from universal rolling to general shape rolling (2F1ight) in a dual-purpose rolling mill designed to roll general steel sections as well as a universal rolling mill for rolling rails and H-shaped steel. Or, in the opposite case, the drive side yoke can be moved to a predetermined location outside or inside the frame in an extremely short time without interfering with the drive spindle by combining two movements in a direction perpendicular to and parallel to the rolling line. This makes it possible to provide a simple attachment/detachment device in a limited space, which has a great effect.

[Brief explanation of drawings]

Fig. 1 is a plan view of the device according to the embodiment of the present invention, Fig. 2 is a front view of the same device, Fig. 3 is a detailed view of the yoke and guide liner in the same device, and Fig. 4 is a detailed view of the yoke and the transverse guide liner. Detailed view, FIG. 5 is a detailed view of section A in FIG. 4. 1...Rolling mill housing, 2...Vertical roll, 3...Vertical roll choke, 4...Yoke, 5...Fixing pin, 6...・・・・・・Mutsuta, 7・・・・Reducing screw, 8・・・・Worm reducer, 9・・・・Vertical roll balance cylinder, 10・・・・Guide groove, 11・... Yoke exchange mount, 12 ... Guide guide liner, 13.
・Spindle, 14...Yoke transverse guide liner, 15...Elevating device, 16...Transverse moving device, 17...Transverse guide groove, 18...・
...Cylinder, 19... Yoke exchange transverse mount.

Claims (1)

[Claims] 1. A yoke exchange pedestal was arranged below a yoke that was detachably attached to the rolling mill housing, and the yoke was connected to a horizontal moving device, and a gap was formed in which the spindle was arranged close to the end of the yoke exchange pedestal and in a direction perpendicular to the yoke exchange pedestal. A yoke attaching/detaching device for a rolling mill, which is equipped with a yoke exchange traverse frame and a traverse movement device that traverses a moving part along the yoke exchange traverse frame, so that the yoke can be carried in and out in a perpendicular direction.