Description
The UMTO machine is specifically designed for packaging roll-type products, particularly roll paper hangings, using thermal shrinking polyethylene. This packaging method protects the product from pollution, damage, moisture penetration, and the need for wooden or cardboard packs.
The UMTO-1000A machine is an automatic, high-productivity device for paper-hangings packaging, with several key components or subassemblies, including:
- A bundle forming device (former)
- A packing device (packer)
- A label putting device
- A thermo tunnel
- A control board
The former component brings the product and levels any residual conicity on rolls, tucking them in place. The packer cuts and welds the film, offsets the film portion, and wraps the bundle. The label putting device retrieves the label from the cassette, moves it to the label carrying device, and then places it on the packed bundle.
The film undergoes shrinking in the thermo tunnel, and the exit film turns in the ends, drawing them in. The control board operates and manages the technological parameters of the machine.
The UMTO-1000A machine works by using the ability of shrinking film to reduce in size due to temperature changes. All the subassemblies, including the forming, packing, and label putting devices, as well as the thermo tunnel, are controlled by a program operated by a controller.
The product is delivered to the tipper transporter by the input transporter. Once the photo counter signal is received, the tipper transporter overturns the product onto the carrying transporter. The roll is then stopped by the stopper placed under the transporter, which is powered by a pneumatic cylinder. The stopper holds the product roll between the carrying transporter rolls to prevent misalignment. Once the product roll is fixed, the stopper retracts, and the transporter carries the roll to the slamming device to remove the roll’s residual conicity by aligning it on the roll end faces. The slamming device uses a pneumatic cylinder to push the roll end face with a plate and strike it from the other roll end with a fixed plate.
Afterward, the roll is transported to the tuck device. The carrying transporter is stopped, and the tuck device, consisting of two parts placed over and under the transporter, is used to find the roll’s free end by scrolling the roll with the drawn-in belt from underneath the transporter’s engine. The roll is then fixed from above with the tuck pneumatic cylinder, which tucks the roll end and places the roll. Once the transporter is switched on, the roll goes to the pusher, and the label is simultaneously applied.
The label putting device includes the label delivery and carrying devices. The label is taken from the cassette using vacuum suckers and placed in the carrying device zone. Two belts then carry the label to the roll pusher, and a pneumatic cylinder presses the film to ensure that the roll is carried together with the label.
The pusher pushes the roll via the film tension line, and it is wrapped with film on its diameter before it reaches the electric knife. First, the upper clip fixes the roll position, and then the electric knife starts working. The electric knife is composed of two parts: the welding knife over the table welds the film by two strips, and the cutting knife under the table cuts it and separates the welded zones from the product side and the side of the film roll.
The roll is then transported on the thermo tunnel transporter and passed through the thermo chamber where the film shrinks. After passing through the thermo chamber, the roll is placed on the table, and the slamming device levels the package down.
