Paper Bottom
Design and Function
fully automatic, continuously operating closing machine in rotary turret design
Feeding of the can bodies
- feeding the filled cans or unfilled can bodies to the machine on a horizontal conveyor belt (optional)
- separating the cans by means of a driven stop star
- acceleration of the cans by means of an infeed worm
- transfer of the cans to the sealing stations by a transfer star wheel
Feeding of the paper bottoms
- inserting the prefabricated paper bottoms
- into the bottom magazine or
- onto a long stacking conveyor (optional) for long charging cycles
- gentle extraction of the cardboard bottom from the magazine by means of vacuum
- overhanding the paper bottom to the sealing turret
Heat-sealing process
- exact positioning of the paper bottoms in each sealing station in a form ring
- calibrating the can bodies by means of the form ring
- precise orientation to the paper bottoms
- correction of slight deformations of the can body
- controlled lifting of the bottom and can body into the sealing tool
- heat-sealing of paper bottom with can body
- by inner and outer heated sealing tools
- utilizing robust and easy-to-use heat contact technology
- with adjustable and monitored temperature
- long sealing times (up to 1.65 s) thanks to turret principle
Process control (optional)
- no sealing operation when can or bottom is missing
- avoidance of contamination
- overheat protection during sealing
- automatic pneumatic ejection system for faulty cans
- integrated camera / vision inspection
Format Change
quick change to other can formats using
- fully automatic height adjustment without change parts
- very good and easy access to the tooling area
- short changeover time for preset sealing heads with quick change mechanism
Keywords
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