FI57561B - FOERPACKNINGSLINJE - Google Patents

Description

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JfääTfh ^ UTLÄGGN INGSSKRIFT 5/001 (45) ^ T ^ (51) Kv.lk?/lnt.CI.3 B 65 B 11/00, 49/00 FINLAND - FINLAND (21) P *** "ttlh» k * mut - PatantaraMnlng 790 ^ 71 (22) Hiktmltpllvl - AraBknlngadig 13.02.79 (23) Alkupilvt - Giltlgh «t> dag 13.02.79 (41) Tullut | ulklMkti - Bllvlt offantilg P — ttt j. ..klfrlh.llltu. ( »- *« |. R ~ -

Patent · och regi «ter» tyrel »* n '7 Antiikin utltgd Odi utl. * Krlft« i publlctnd 30.05.80 (32) (33) (31) Pyydetty «tuolkeu * —Bugftrrf prlerlttt (71) Oy Viärtsilä Ab, Värtsilä , FI; Pitkänsillanranta 1, 00530 Helsinki 53, Finland-Finland (FI) (72) Pauli Koutonen, Järvenpää, Lars-Erik Alanco, Järvenpää, Finland-Finland (FI) (54) Packaging line - Förpackningslinje

The invention relates to a method - and an apparatus for applying the method - for packaging large rolls of paper or the like of different sizes on a roll packaging line with handling equipment for wrapping the roll, folding the wrap ends and attaching the end caps, and also comprising separate roll handling stations and a roll transfer system.

Roll packaging lines are already known, in which the rolls to be packed are transported to roll handling stations for placing different packaging parts. However, known packaging line solutions involve quite a lot of transverse displacement of the roll, in particular by rolling, as disclosed, for example, in U.S. Pat. No. 3,342,014. Often it is the transfer of the roll to and from the processing station that takes place in this way. Such rolling of the rollers is generally detrimental to the roll structure, since the roll, which can weigh up to 4000 kg, is then subjected to a rather large linear load and, as a result, to deformation which "rotates" the roll several turns. In addition, the transverse displacements of the rollers by rolling require robust transfer devices in the case of large rollers, in which case pushing and stopping operations, respectively, can damage the roll. All in all, therefore, the result is the complexity of handling the rollers and the additional costs involved, possible restrictions on the size of the rollers, possible damage to the rollers as well as the risks to the safety of rolling rollers.

The object of the invention is to provide a roll packaging method which makes it possible to increase the degree of automation in the packaging of rolls, which reduces the risk of roll damage, which is equally suitable for both large and small rolls and which can also be flexibly applied in different factory spaces.

The invention is characterized in that the rolling of the rolls when moving the rolls on the packing line is avoided, so that the rolls to be packed are preferably moved axially from one processing station to another on the moving members and the rolls are moved axially through all roll handling stations on the packaging line. By doing so, the packaging line is made as simple and straightforward as possible, but still flexible in terms of handling the rolls. The risks of roll damage during packaging of the roll are also substantially reduced, as the roll of the roll and the associated pushing and stopping measures are not required. For the same reason, occupational safety is also promoted, as the roller is fully under control throughout transport. When moving the roll to be packed not only through the processing stations but also from one processing station to another in the axial direction of the roll, the entire roll packaging can take place as a continuous process proceeding in the axial direction of the roll, which is a very advantageous solution. In this case, the total length of the line can also be reduced by reducing the distance between the processing stations. This results in a more compact and simpler line structure.

3 57561

From the point of view of the transport of the rollers and the operation of the handling devices, it is advantageous to arrange said roll handling devices to operate essentially in the same horizontal plane perpendicular to the direction of travel of the rollers. In this case, one worktop can also be reached, which facilitates, for example, the monitoring and maintenance of equipment. The term 'substantially in the same horizontal plane' here means roughly that the devices are not located at substantially different heights, for example on different floors.

The invention also relates to a roll packaging line for applying the method described above. The roll packaging line according to the invention is characterized in that the roll handling stations on the packaging line are designed so that the roll can move axially through them from side to side, and that the roll is arranged to move on moving members on the packaging line, preferably axially so as not to roll. In addition, on the packaging line, the roll handling devices are arranged to operate essentially in the same horizontal plane perpendicular to the direction of travel of the rolls. In this case, the roll handling devices can have a separate operating position and a free position allowing axial movement of the rollers so that the rollers can be transported through the handling stations. However, due to the nature of their operations, not all processing stations necessarily require this order.

It is further advantageous to synchronize the operation of the roll transfer system according to the roll handling devices, whereby the throughput time of the rolls is reduced.

From the point of view of automating the packaging line, it is useful to provide the line with a roll identification unit which, for example, measures the length, diameter and weight of the rolls and which, on the basis of the measured data, can be arranged to control the operation of the roll handling devices.

The invention is illustrated by the accompanying schematic drawing, in which Figure 1 schematically shows a top view of a roll packaging line according to the invention and Figure 2 shows a corresponding line when viewed from the side. According to the drawing, the roll travels on the packaging line through the following steps or processing stations:, 57561 4 - roll identification (1), whereby the roll is identified, weighed and the length and diameter of the roll are measured and the data is passed on to other processing stations; in this connection it is also possible to carry out the inner stamping of the roll - wrapping the roll (2), in this case it is also possible to set the inner end caps before wrapping - folding the ends of the wrapper (3), in this case it is also possible to set the edge strip as needed at the ends of the roll and pressed onto the roll, for example by hot gluing - setting of labels and / or stamping of the roll (5)

The storage and feeding unit of the wrapping rolls is not shown in more detail in the drawing, because it can be constructed in many different ways within the scope of the invention, for example by using already known solutions. The same is basically put for other processing equipment. In practice, a device according to Finnish patent application No. 790470 can be advantageously used to automatically wrap the wrapper around the roll and to wrap the roll. Likewise, the device presented in Finnish Patent Application No. 783352 can be advantageously applied to the automatic setting of both inner and outer end covers.

Some treatment operations may also be performed in a different order from the above, and the treatment operations may be performed separately or in combination as necessary and possible. For example, the inner end guards can be set in your own unit before the wrapping ends fold. If it is a question of a paper quality that can absorb a lot of moisture, after the actual packaging of the roll, the so-called the rim of the roll to prevent the adhesive of the package from coming loose due to the possible swelling of the roll, the packaging tearing.

The invention is not limited to the embodiment shown, but several variations thereof are conceivable within the scope of the appended claims.

Claims (6)

1. Method of packaging Large rolls of paper or similar of different sizes on a packaging line comprising roll processing units e.g. for providing the roll with wrappers, for folding the end portions of the cover and for applying end protection, and which also includes separate roll processing stations and a roll conveying system for moving the rollers from one treatment station to the other, characterized in that the rollers are avoided during the rollers' displacement along the packaging line by moving the rolls to be packaged supported by moving elements, preferably in the axial direction, from one processing station to the other, and the rollers moving in axial direction through all the rolling processing stations of the packaging line. 2. A method according to claim 1, characterized in that the roller processing units are arranged to operate essentially in one and the same horizontal plane perpendicular to the direction of movement of the rollers. 3. Roll packing line for applying the method according to any of the above claims for packaging Large paper rolls or the like of different sizes, which line comprises roller processing units e.g. to provide the roll with cover, for