JPH02138004U - - Google Patents

Description

[Brief explanation of drawings]

1 to 5 show a first embodiment of the present invention, FIG. 1 is a partially sectional front view of a roll changing device of a roll stand, and FIG. 2 is a main part of a roll stand showing a state in which upper and lower rolls are assembled Figure 3 is a cross-sectional view taken along the - line in Figure 2, Figure 4 A, B, and C are explanatory diagrams of the operation of the two-piston type cylinder, and Figures 5 A and B are explanatory diagrams of the operational configuration of the movable upper track. , FIG. 6 and FIG. 7 show a second embodiment of the present invention, FIG. 6 is a plan view of the main part showing the configuration of the dripping liquid receiver, and FIG. 7 is a partially omitted side view of the dripping liquid receiver. Configuration explanatory diagram, Figures 8 and 9
The figures show a conventional roll stand, with FIG. 8 being a front sectional view of the roll stand, and FIG. 9 being a side view of the roll stand. 1...Roll stand, 1a...Stand, 2
...Top roll, 2a, 3a...Chick, 2b
, 2c, 3c...Wheel set, 3...Subordinate roll, 4
...Two-piston type cylinder, 5...Locking part, 6...
...Engagement groove, 7... Operating handle, 8... Movable upper track, 9, 10... Fixed upper track, 11... Fixed lower track, 12... Lower cylinder, 13... Frame,
14... Upper frame, 15, 16... Stand outside track, 21... Dripping liquid receiving pan, 22... Liquid reservoir, 2
3...Discharge pipe, 24...Chain, 25...Sprocket, 26...Shaft, 27...Handle, 27
a... Ratchet, 28... Guide roller set, 2
9...Bracket.

Claims (1)

[Claims for Utility Model Registration] (1) A roll changing device for changing an upper roll and a lower roll that are rotatably supported by a roll stand, the device comprising: At least a pair of upper wheels and a lower wheel are provided, and between the upper wheels of the upper chock,
The locking parts at the ends of the rods of the two-piston type cylinder provided at the top of the stand are provided with engaging parts that can be freely engaged and separated as the rolls move in the longitudinal direction. An upper track that can be retracted in any direction is arranged in the width direction of the stand, and at least a pair of wheels are provided below a lower chock fitted on both ends of the lower roll, and the lower chock is moved from below. A lower cylinder supporting the stand so that it can be raised and lowered is provided at the bottom of the stand, a lower track on which the wheels roll is arranged in the width direction of the stand, and a frame provided outside one end of the stand in the width direction,
A stand outer lower track is disposed at the same height as the lower track and at the same interval as the track, and an upper mount is supported on the mount so that it can be freely opened, and the upper mount is provided with a A roll changing device characterized in that an outer upper track outside the stand is disposed at a position lower than the distance between the upper and lower wheels and has the same spacing as the track. (2) A plurality of pairs of guide rolls having a vertical positional relationship are provided on opposite sides of the inside of the roll stand to movably guide the dripping liquid receiving pan, and moving the dripping liquid receiving pan to the outside of the roll stand. An actuating device for reciprocating between the upper roll and the lower part of the raised upper roll is provided outside the roll stand, and a discharge pipe for discharging the dripped liquid is provided at the deepest position of the bottom of the dripped liquid receiving pan. A roll changing device according to claim 1 of the registered utility model.