JPS58100054A - Web distributor - Google Patents

Abstract

PURPOSE:To provide an apparatus for distributing a web of a parallel transport magnetic tape at a desired space which can tenter the web without unnecessary tension being applied by passing the web through paired tentering rolls spaced from each other to be S-shaped. CONSTITUTION:One of a web 2' cut by a slitter 10 is guided by a guide roll 13 to move upward, and then horizontally transported. The direction of the web is adjustable and the web is fed in the shape of S into a tentering mechanism 16 comprising a pair of tentering rolls 14, 15 supported on a frame and spaced from each other, whereby without unnecessary tension being applied, the web is tentered by an assigned space (a) and rolled through a guide roll 7 round a take-up roll 12. The other web is tentered by a space (b) in the same manner. The spaces (a), (b) can be adjusted by the inclination to the longitudinal center line of the web 2' of the tentering mechanism 16. Therefore, during transportation, the web is distributed at a desired space without damaging the end portion thereof.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a web sorting device, and more particularly to a device for sorting webs conveyed parallel to each other at desired intervals.

A web such as magnetic tape, photographic film, or paper is finally wound onto a take-up roll, but when winding a web, the center of the take-up roll and the web must be aligned in advance. By placing it in place, it can be easily wound around the center of the web roll. However, when the web is cut into multiple webs by a slitter during transportation, the distance between each web is extremely small, and when the web is wound, the center of the roll and the longitudinal center of the web do not match, and the web is biased to one side of the roll. The gripping device of the roll that wound the web is likely to come into contact with the end of the web (and damage the web).Therefore, there are attempts to forcibly increase the spacing between multiple webs. This means locally applying more tension than necessary to each web, creating local slack, degrading the quality of the web, and causing defective products.

Therefore, it is an object of the present invention to keep the tension applied to the web within a specified value, and to keep the distance between each web at a desired value, so as to avoid damage to the ends of the web during winding and transport. It is an object of the present invention to provide a web distribution apparatus that allows the web to be wound around the center of a take-up roll without winding the web.

Embodiments of the present invention will be described with reference to the accompanying drawings. With reference to FIG. 1, an example of one process from unwinding to winding of the web will be explained. is guided by a guide roll 3 and enters the calender body 4. The calender body 4 is composed of a combination of a plurality of steel rolls 5, an elastic reel 6, and an intermediate fly reel T, but these mechanisms are Since this is well known, detailed explanation thereof will be omitted. The web 2, which has been calendered by the calender main body 4 and whose surface has been smoothed, is guided by a guide roll 8 and enters a device 9 for sorting. The plurality of webs 2', which are cut by a slitter 10 in the device 9 and distributed to a predetermined width, are guided by a guide roll 11 and wound around a take-up roll 12, respectively. The example shown in Fig. 1 uses a calendar main body 4, but instead of this, a coaching mechanism may be used. As explained above, a pre-cut web may be passed through a calender body or a coating mechanism, and then distributed into a predetermined width. Referring to FIG. do. Web 2' cut by slitter 10
One side is guided by the guide rolls 13 and moved upward, and then conveyed horizontally. The horizontally moving web 2' is
After being fed in an S-shape into a width adjustment mechanism 16 having a pair of spaced width adjustment rolls 14 and 15, the direction of which can be freely adjusted, and which is pivotally supported on a frame, and after performing a predetermined width adjustment, The web 2' that is fed out and conveyed by the guide roll 7 toward the take-up roll 12 before entering the widening mechanism 16 and the end of the fed web 2' are widened by a distance α. This interval α is adjusted by a tilt trap of the width adjusting mechanism 16, which will be described later, with respect to the longitudinal center line of the web. The other cut web 2' is moved downward by the guide roll 13', and is spread out by an interval by the centering mechanism 16, and sent out to the take-up roll 12@ by the guide roll 1T. As a result, on the roll 1T, the adjacent webs 2' are distributed with a width (cL-1-b) equal to the sum of the distance α and the distance.

This makes it easier to center each sea urchin 2A in the center of the take-up roll for each web and to wind the web onto the end of the take-up roll! The O-offering mechanism 16, which will be explained with reference to FIG. The width rolls 14, 15 are preferably arranged in a stacked relationship with each other. A bottle 20 is suspended from the center of the plate 1S bridging the center of the frame 18.
t-O to be slid into the hole 22 provided in the base 21. Thus,
The frame 18 and the widening rolls 14 and 15 fixed to the frame 18 are rotatable with respect to the base 21 with the bin 20 as the center. A pair of circular arc-shaped elongated holes 23 are bored in the plate 19, and a bolt 24 can be inserted into the base 21 through the elongated holes 23. bolt 24
After loosening the frame 18V and rotating the frame 18V to the center of the bottle 20 and moving it to a predetermined position, the extension mechanism 16 is fixed to the base 21 by tightening the bolt 24. By fixing the creampie mechanism 16, a predetermined width α+h) is always achieved.

As is clear from the above, according to the present invention, a 5K offer roll for conveying the web in an S-shape is pivotally supported on a frame, and the frame is rotatable with respect to a base.
The width adjustment mechanism t capable of displacing the frame feeding web by a predetermined angle is disposed in the running path of the web, so that the width of the web can be easily achieved. Since unnecessary tension is not applied,
No deterioration in web quality - By applying the width adjustment mechanism to multiple webs running in parallel, each web can be distributed sufficiently, and each web can be placed in the center of the winding web. Can be rolled. The amount of extension can be easily adjusted by changing the inclination of the longitudinal center of the extension mechanism with respect to the center of the web in the lateral direction, so the operation is simple.

[Brief explanation of the drawing]

Fig. 1 is an explanatory diagram showing an example of the web processing process, Fig. 2 is an explanatory diagram showing the flow of the web in the extension mechanism section, and Fig. 3 is a perspective view of the extension mechanism. 1... Unwinding roll, 2.2'... Web,
4... Calendar main body, 9... Apparatus for sorting, 1
0... Slitter, 12... Rolling loin 14
．． 15... Width roll, 16... Creampie mechanism, 1
8...Frame 20...pin. Agent Patent Attorney Hideaki Kuwahara

Claims (1)

[Claims] The web is passed in an S-shape through a pair of spaced-apart width rolls pivotally supported between frames, and the longitudinal center of the frame is angled with respect to the longitudinal center of the web. A web sorting device is characterized in that it is arranged to create a deviation between the longitudinal center of the feed web and the longitudinal center of the feed web.