JPH0279364U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案の一実施例を示す要部拡大断
面図、第２図は同上の折りブレードの軌跡を表わ
す図面、第３図Ａ，Ｂは折畳作用説明図、第４図
は従来の例を示す概略正面図、第５図は従来例に
おける折りブレードの軌跡を表わす図面、第６図
は同上の折りブレードのドライブ系を示す概略図
、第７図は同上の摘みじわが発生した走行紙の斜
視図、第８図は同上のブレードの寸法関係等を示
す概略図、第９図Ａ，Ｂは折畳作用説明図である
。 １……鋸胴、２……折胴、３……折りブレード
、４，５……折りローラ、６ａ，６ｂ……走行紙
、６ｂ′……摘みじわ、７……ブレード軸、２５
……突起部、２６……取付ボルト。 Fig. 1 is an enlarged sectional view of the main part showing an embodiment of this invention, Fig. 2 is a drawing showing the locus of the folding blade same as above, Fig. 3 A and B are explanatory diagrams of the folding action, and Fig. 4 is a conventional one. FIG. 5 is a diagram showing the locus of the folding blade in the conventional example, FIG. 6 is a schematic diagram showing the drive system of the same folding blade, and FIG. A perspective view of the running paper, FIG. 8 is a schematic diagram showing the dimensional relationship of the blades, etc., and FIGS. 9A and 9B are explanatory diagrams of the folding action. 1... Saw cylinder, 2... Folding cylinder, 3... Folding blade, 4, 5... Folding roller, 6a, 6b... Running paper, 6b'... Picking wrinkle, 7... Blade shaft, 25
...Protrusion, 26...Mounting bolt.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 走行紙を互いに近接する折胴との協働により所
定の長さに裁断する鋸胴と、走行紙をその下半部
外周に誘導するとともに、先端がハイポサイクロ
イド曲線状の軌跡を描いて外周面から突出する折
りブレードを有し、この折りブレードの突出する
先端により前記裁断した走行紙の中央部を１対の
折りローラ間に押し込む折胴と、この折胴の下方
に互いに近接して配設され、折りブレードの先端
によつて押し込まれた走行紙をくわえて２つ折り
に折畳む１対の折りローラとを具えた輪転機の折
畳装置において、前記折胴の回転方向後方を向い
た折りブレードの側面に突起部を設けたことを特
徴とする輪転機の折畳装置。 A saw cylinder that cuts the running paper into a predetermined length in cooperation with folding cylinders that are close to each other, and a saw cylinder that guides the running paper to the outer periphery of the lower half thereof, and the tip draws a hypocycloid curved trajectory to cut the running paper to the outer periphery. a folding cylinder which has a folding blade protruding from the folding cylinder, and which pushes the center portion of the cut running paper between a pair of folding rollers by the protruding tip of the folding blade; In a folding device for a rotary press, the folding device is equipped with a pair of folding rollers that hold the running paper pushed in by the tip of a folding blade and fold it in half, the folding roller facing backward in the rotational direction of the folding drum. A folding device for a rotary press, characterized in that a protrusion is provided on the side surface of a blade.