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    • 1. 发明专利
    • CUTTING DEVICE OF CONSTITUENT MATERIAL OF TIRE
    • JPH0435930A
    • 1992-02-06
    • JP14376990
    • 1990-05-31
    • SUMITOMO RUBBER IND
    • ODA IPPEIIMAIZUMI YOSHIAKIHIROZAWA YOICHIROISHIKAWA GENICHIRO
    • B26D7/14B26D1/04B29D30/46
    • PURPOSE:To cut a constituent materials of a tire precisely, reliably and in a fixed size, by a method wherein cutting is performed under a state where a tensile force is applied to the constituent material of the tire by lifting the constituent material of the tire upper than a conveying surface of a conveyor by a material supporting surface of an anvil. CONSTITUTION:An anvil 7 is prepared so that a waiting surface 34 becomes parallel with a conveying surface of a conveyor, positioned and fixed under a state where the anvil 7 does not come into contact with a constituent material 12 of a tire and a timing belt 11. Simultaneously with conveyance of a material a length is measured by a length counting sensor and when the conveyor 3 is stopped by conveying the constituent material 2 of the tire by a fixed length, tensile force is applied to the constituent material 2 of the tire by lifting up the constituent material 2 of the tire by a material supporting surface 24 by turning the anvil 7 rearward by 90 degrees by a rotary actuator 29. Then a driving lever 18 is turned by a rocking and driving cylinder 19, a material pressing finger 17 is lowered and the constituent material 2 of the tire is pressed against the material supporting surface 24 for fixing. Then a cutter 4 is lowered and inserted into a groove 35, the cutter 4 is slid in a widthwise direction of the material and the constituent material 2 of the tire to which the tensile force is applied is cut off.
    • 2. 发明专利
    • CUTTING DEVICE OF CONSTITUENT MATERIAL OF TIRE
    • JPH0435929A
    • 1992-02-06
    • JP14376890
    • 1990-05-31
    • SUMITOMO RUBBER IND
    • ODA IPPEIIMAIZUMI YOSHIAKIHIROZAWA YOICHIROISHIKAWA GENICHIRO
    • B26D7/06B26D1/04B29D30/46
    • PURPOSE:To enable smooth conveyance by eliminating falling-in of a starting end of cutting of a material into a gap of a connecting part of conveyors by a method wherein a brush roll is arranged in the gap of the connecting part of the conveyor so that an axis of the brush roll meets at right angles with a conveying direction of a constituent material of a tire and the brush roll is driven forcibly so that the upper part of the brush roll becomes the same direction as a conveying direction of the material. CONSTITUTION:Both cutters are positioned at the center, cutting edges are put in order and positioned at the ceiling and on the other hand, after a constituent material 2 of a tire is sent into the cutting device by a fixed amount of length by a length counter sensor the same is fixed. Then cutters 18, 19 are lowered, after they are driven into the center of the material, moved outward so that cutter blocks 7, 8 are separated from each other and the constituent material 2 of the tire is cut off. When cutting is completed, the cutters 18, 19 and a material pressing arm 21 is raised, the conveyors 3, 4 and a brush roll 10 are turned in the same direction at the same time, the material 2 is conveyed and sent into a tire molding drum. Since a starting end of cutting of the constituent material 2 of the tire is supported by the brush roll 10 and the brush roll 10 is turning in the conveying direction, the starting end of cutting of the constituent material 2 of the tire does not fall into the gap 5 of a connecting part of conveyors and sent smoothly.