Web product cutting and screening machine and method
AssigneeChan Li Machinery Co., Ltd.
InventorTung I Tsai
Life of this patent
Estimating the term…
Abstract
A web product cutting and screening machine includes a first conveying unit having a first movable roller set, a second conveying unit having a second movable roller set movable relative to the first movable roller set and defining with the first movable roller set a first gap therebetween, and a cutter movable across the first gap to cut off a web product, producing a head cut piece, normal cut pieces and a tail cut piece. During screening operation, the second movable roller set can be moved away from the first movable roller set to screen the heat cut piece and the first movable roller set can be moved away from the second movable roller set to screen the tail cut piece, and therefore the web product cutting and screening efficiency is improved.
Claims17
A web product cutting and screening method, comprising the steps of:
- moving a first movable roller set and a second movable roller set to a conveying position and enabling a web product to be delivered by said first movable roller set onto said second movable roller set over a first gap between said first movable roller set and said second movable roller set;
- cutting off said web product in said first gap to produce a first cut piece;
- moving said second movable roller set from said conveying position to a non-conveying position far from said first movable roller set for enabling said first cut piece to fall through said first gap;
- moving said second movable roller set back to said conveying position and keeping said first movable roller set in said conveying position for enabling said web product to be delivered by said first movable roller set over said first gap onto said second conveying unit;
- cutting off said web product in said first gap during delivery of said web product by said first movable roller set over said first gap onto said second movable roller set to produce at least one second cut piece and a third cut piece;
- and
- moving said first movable roller set from said conveying position to a non-conveying position far from said second movable roller set for enabling said third cut piece to fall through said first gap.
A web product cutting and screening machine operable to cut off a web product and to screen cut pieces of said web product, comprising:
- a first conveying unit comprising a first movable roller set, wherein said first movable roller set is movable between a conveying position and a non-conveying position;
- a second conveying unit comprising a second movable roller set disposed adjacent to said first movable roller set and defining with said first movable roller set a first gap therebetween, wherein said second movable roller set is movable relative to said first movable roller between said conveying position and said non-conveying position, and said web product is delivered from said first movable roller set in said conveying position to said second movable roller set in said conveying position;
- and
- a cutter movable to cut off said web product in said first gap, wherein after each cutting operation of said cutter to cut off said web product, said first movable roller set and said second movable roller set are selectively moved to one of the positions where said first movable roller set is in said conveying position and said second movable roller set is in said non-conveying position far from said first movable roller set, said first movable roller set and said second movable roller set are in said conveying position, or said first movable roller set is in said non-conveying position far from said second movable roller set and said second movable roller set is in said conveying position.
Dependencies are inferred from the claim text.