JPS6347378Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an ironing roll used for cutting aluminum into multiple strips.

(Prior art and its problems) Conventionally, when slitting (multi-strip cutting) aluminum materials, an ironing roll is used to suppress the curling that occurs at the edges of the product strip after cutting, but this positioning is done using spacers and sets. It was done using a screwdriver. Normally, when producing products with various board widths, it is necessary to adjust the position of the rolls according to each board width, but setting spacers and setting screws takes a lot of time.
If this curling was not suppressed, the end of the product coil would swell up and become bell-shaped, as shown in FIG. 5, resulting in a defective product.

Figure 3 shows an example of a conventional ironing roll used to produce three-row aluminum slit material.
1 is a lower roll supported by roll bearings 2 on the left and right sides. Opposing the lower roll 1, four ironing rolls 3 are arranged on a shaft 4 at regular intervals with spacers 5, and are fastened and fixed by locking nuts 6 at both left and right ends. Both ends of the shaft 4 are supported by bearings 7. Reference numeral 8 designates a product strip, the edge portion 9 of which is pressed and formed by the lower roll 1 and ironing roll 3 to eliminate curls (FIG. 4) of the product edge portion 9.

(Problems to be solved by the invention) As mentioned above, an ironing roll is installed between the slit and the winding machine in order to eliminate the bell-shaped coil that is created when winding with the curls intact, but the ironing roll is installed between the slit and the winder. The work of adjusting the spacing between the ironing rolls by changing the size of the spacer 5 according to the width of the ironing rolls was extremely difficult, but this work is intended to be made easier.

(Solution by invention) A slender rubber bag equipped with an air plug that can be supplied and discharged and closed is built into the hollow shaft supported at both ends, and the outer peripheral surface of the rubber bag is glued and fixed along the longitudinal direction of the shaft. A row of lugs are provided that can be retracted and retracted from slits provided in the hollow shaft, and by inflating the rubber bag, the lugs can be made to protrude from the slits and the ironing roll can be fixed by changing its position in the direction of the support shaft. did.

(Example) An explanation will be given based on FIGS. 1 and 2. 10 is a hollow shaft that supports the ironing roll. Similar to the conventional example, the hollow shaft 10 is fixedly supported by roll bearings 7 at both ends. However, the hollow shaft 10 is hollow inside except for the bearings on both sides, and an air inlet 11 is provided at one end, through which compressed air can be injected into the hollow shaft, and after injection, it can be closed off with an air plug. It's summery. The hollow shaft 10 is provided with a slit 10a on its outer periphery, into which a lug aligned with the rubber bag appears. Reference numeral 12 denotes an elongated rubber bag built into the hollow shaft 10, and a plurality of lugs 13 longer than the width of the ironing roll 3 are adhesively fixed to the outer surface. The lugs 13 are aligned and fixed at regular intervals in the axial direction, but adjacent rows in the circumferential direction are offset in the axial direction, so that the tightening force is even when the ironing roll is fixed. I am starting to work more and more.

(Function) When compressed air is sent from the air inlet 11 provided at the end of the hollow shaft 10 to the rubber bag 12 to which a plurality of lugs 13 are fixed, the rubber bag 12 expands, and the lugs 13 provided on the circumferential surface of the rubber bag 12 are inflated. protrudes from the slit 10a of the hollow shaft 10, and can fix the inner ring of the ironing roll 3.

In addition, when changing the position of the ironing roll, open the air plug to let out the air inside the air bag 12.
Move the ironing roll to the optimal position. In this state, compressed air is sent into the air bag 12 again to inflate it, close the air plug, and fix the ironing roll.

(Effects) In the conventional type, a spacer corresponding to the board width is selected, the ironing roll and spacer are inserted alternately into the shaft 4, and they are fixed with locking nuts from both ends, so they are set outside the line and then installed on the line. . In contrast, in the present invention, after aligning the ironing roll with the product strip, by sending air through the air supply port, the lugs protrude from the slits and the ironing roll can be automatically fixed from the inside. Therefore, it has become possible to easily make adjustments within the line.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of the ironing roll of the present invention. FIG. 2 is a sectional view taken along the arrow in FIG. FIG. 3 is a cross-sectional view of a conventional ironing roll. FIG. 4 shows the burrs formed at the ends of the slit aluminum strip. Figure 5 is a side view of the finished coil when the turned strip is wound. In the figure: 1... lower roll, 2... roll bearing, 3... ironing roll, 4... shaft, 5...
...Spacer, 6... Lock nut, 7... Bearing,
8... Product strip, 9... Turn (of edge), 10... Hollow shaft, 11... Air inlet, 12
...Rubber bag, 13...Rag.

Claims (1)

[Scope of utility model registration request] Inside the hollow shaft 10 supported at both ends, supply/discharge/
Built-in elongated rubber bag with an occluded air plug,
A slit 10a is adhesively fixed to the outer peripheral surface of the rubber bag along the longitudinal direction of the shaft and provided in the hollow shaft 10.
An ironing roll characterized in that a row of lugs that can be retracted and retracted from the shaft is provided, and a plurality of ironing rolls are fitted onto the hollow shaft so as to come into contact with the lugs.