FI65754B - RONDELLHAOLLARE - Google Patents

Description

65754

END COVER HOLDER

This invention relates to a device for use in a roll packaging system for holding an end cap placed against the end of a roll, while the roll is provided with a sheath wrap and / or when the edges of the sheath wrap are folded against the end of the roll.

- A method commonly used in a roll packaging system is to hold the end cap placed against the end of the roll by hand until the roll is provided with a wrapper and the edges of the wrapper are pleated against the end of the roll.

One person cannot perform this function simultaneously at both ends of the roll, which causes the folding of the edge of the diaper wrapper to be performed at different times at different ends, thus slowing down the roll packing operations. For this reason, two people are often required to operate during the wrapping and folding phase to avoid unnecessary waste of time and to achieve sufficient capacity in the packaging system.

E.M. to eliminate the disadvantages, a method is also used in which the end caps are attached either at their edges or from the center to the roll before the wrapping station. A person is also needed to do this, so the real benefit is not achieved.

Devices have also been constructed to automatically position the end cap against the end of the roll and hold it during the wrapping and folding step. Such a device is described e.g. in Finnish patent publication 61263 · However, such a device is not suitable for use in all roll packaging systems, as its space requirement is considerably large, The device is also remarkably complex and thus also expensive to manufacture, which also limits its usefulness in many packaging systems.

The device according to the present invention avoids unnecessary manual work to hold the end cap placed against the end of the roll during the wrapping and / or folding step, and the end cover does not need to be attached to the end of the roll in advance either. The device is also inexpensive to manufacture and is suitable for placement in a wide variety of packaging systems, which is also a significant advantage over existing equipment and methods.

The structure and operation of the device according to the invention will now be described with reference to the drawings below and their details.

Drawing No. 1 illustrates two different typical embodiments of the device according to the invention. Drawing No. 2 illustrates the device according to the invention seen from the direction I-I of drawing No. 1.

The device according to the invention comprises support rollers or the like (1) which are resiliently attached to the frame (4). The support rollers are freely rotatable and mounted so that their axis of rotation is perpendicular to the direction of rotation (3) of the support roller (1) and the roller end (2) and as it rolls along the end of the roller as it rotates, hold the end cap (8) against the end of the roller.

Furthermore, the body (4) of the device according to the invention is movably mounted in the width direction of the roll, with which the working (A) and neutral position (B) of the device relative to the end of the roll can be adjusted.

The working and neutral position can be achieved by adjusting the position (k, £) of the support rollers relative to the body, for example so that the support rollers are located on the piston rods of the cylinders (5) or the support rollers engage the body (6) in another flexible manner.

Drawing No 2 shows that the support rollers are located on different sides of the 3 65754 roll ends and their height and width position can also be adjusted according to the characteristics of the roll diameter and / or end cover material so that the end cover remains sufficiently secure against the end of the roll. when it is rotating and the device is in the working position.

The device according to the invention works and is used to work as follows:

With the roller on the rotating rollers (7) and the support rollers in the neutral position (B, δ), a suitably sized end cap (8) is fitted to the end of the roller and an operating command is given to the support rollers and / or the frame to which they are attached, the support rollers moving against the roller end and lock the end cap in place. Once this is done at both ends of the roll, the roll can be provided with a diaper wrapper (9) and the edge (9A) of the diaper wrapper folded against the end of the roll without having to hold or fasten the end cap separately against the end of the roll.

During the roll rotation phase, the support rollers are positioned at each point of contact so as to roll along the end cap placed on the end of the roll while holding it in place. The support force of the support rollers is adjusted to suit the current conditions and it also flexes the bump end irregularities, e.g. by.

Without wishing to the present invention, the roll can be provided with a jacket wrap and folded by methods and apparatus known per se.

The structures and functions of the present invention are provided by techniques, devices and components known per se, so that a detailed description thereof is not necessary.

There are also several different alternatives to the structures according to the invention, the most typical of which have been described above.

However, all those embodiments are included within the scope of the invention which meet the features of the claims.

4 6 5 7 5 4 The device according to the present invention can also be mounted on a previously known device, e.g. an edge fold according to Finnish patent publication (application no. 815193) and some functions, e.g. working and free position adjustment movement of the body (4), may be common to the cowardly device of the present invention without limiting the present invention.

As can be seen from the above, the device according to the invention simply eliminates many of the disadvantages of currently used packaging methods and devices and is thus a significant step forward in making roll packaging more rational and economical, and thus contributes to technical development in roll packaging.

*

Claims (5)

65754 Device for use in a roll packaging system for holding an end cap (8) during the roll wrapping and / or folding step, characterized in that the device comprises support rollers (1) or the like and a body (4) to which the support rollers are attached and whose position is adjustable according to the width. Device according to Claim 1, characterized in that the support rollers have a freely rotatable structure and are mounted so that they pivot when in the working position (Aji) and when the roller is rotated in a direction along the end cover (8) placed at the end of the roller. Device according to Claims 1 and 2, characterized in that the support rollers (1) are resiliently fastened to the frame (4), e.g. with a pressure cylinder (5) or other resilient fastening (6). Device according to one of the preceding claims, characterized in that it has two different positions: a working position (A.j {) in which the support rollers are in contact with the roller end (2), and a rest position (Β, έ) in which the support rollers are detached from the roller end. Device according to one of the preceding claims, characterized in that it is mounted on a known device of a roll packaging system with which the distance of the device from the end of the roll is adjusted.