JPS6430232U - - Google Patents

Description

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

第１図ないし第８図は本考案に係る枚葉印刷機
の不正印刷紙検知装置の実施例を示し、第１図は
検知用渡し胴の平面図、第２図は第１図のＡ視側
面図、第３図は第１図のＢ視側面図、第４図は第
２図のＣＣ断面図、第５図は第２図と同方向から
見た紙尻吸着装置の詳細側面図、第６図ａ，ｂは
動作を説明するために示す吸着ヘツド近傍の拡大
断面図、第７図は本考案を実施した枚葉印刷機の
側面図、第８図ａ〜ｃは本考案の他の実施例を示
し、第８図ａは吸着ヘツドの一部破断正面図、第
８図ｂは第８図ａのＤ視平面図、第８図ｃは吸気
孔近傍の拡大縦断面図である。 １……印刷機、５……紙、３３，３４……渡し
胴、３５……検知器、５４……爪、６０……紙尻
吸着装置、６３，６５……吸着管、６７……吸着
ヘツド、７０……吸気孔、７１……エア通路、８
０……カムフオロア、８１……カムレバー、８２
……カム、８５……圧縮コイルばね、９０……紙
尻くわえ爪、９１……爪台軸、９３……爪台、９
５……爪軸、９７……カムフオロア、９８……カ
ムレバー、９９……爪、１０２……トーシヨンバ
ー、１０３……爪開閉カム。 1 to 8 show an embodiment of the fraudulently printed paper detection device for a sheet-fed printing press according to the present invention, FIG. 1 is a plan view of a detection transfer cylinder, and FIG. 2 is a view A of FIG. A side view, FIG. 3 is a side view from B in FIG. 1, FIG. 4 is a CC sectional view in FIG. 6a and 6b are enlarged cross-sectional views of the vicinity of the suction head shown to explain the operation, FIG. 7 is a side view of a sheet-fed printing press embodying the present invention, and FIGS. FIG. 8a is a partially cutaway front view of the suction head, FIG. 8b is a plan view from D in FIG. 8a, and FIG. 8c is an enlarged vertical cross-sectional view of the vicinity of the intake hole. . 1...Printing machine, 5...Paper, 33, 34...Transfer cylinder, 35...Detector, 54...Claw, 60...Paper end suction device, 63, 65...Suction tube, 67...Suction Head, 70...Intake hole, 71...Air passage, 8
0...Cam follower, 81...Cam lever, 82
...Cam, 85...Compression coil spring, 90...Paper bottom gripping claw, 91...Claw stand shaft, 93...Claw stand, 9
5... pawl shaft, 97... cam follower, 98... cam lever, 99... pawl, 102... torsion bar, 103... pawl opening/closing cam.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 検知器に対向する胴の外周部に、カム機構で開
閉駆動される複数個の紙尻くわえ爪を胴軸方向に
並設し、この紙尻くわえ爪の紙搬送下流側に、吸
引エア源に接続されカム機構により吸気孔を胴周
面に沿つて円周方向へ進退駆動される複数個の吸
着ヘツドを、前記各紙尻くわえ爪に対応して揺動
自在に並設するとともに、前記吸着ヘツドの揺動
中心を吸気孔よりも胴の円周方向に対し紙搬送下
流側に位置させたことを特徴とする枚葉印刷機に
おける不正印刷紙検知装置。 On the outer periphery of the barrel facing the detector, a plurality of paper tail gripping claws that are driven to open and close by a cam mechanism are arranged in parallel in the axial direction of the barrel. A plurality of suction heads connected to each other and whose intake holes are driven forward and backward in the circumferential direction along the circumferential surface of the body by a cam mechanism are arranged in parallel so as to be swingable in correspondence with the respective paper tail gripping claws, and the suction heads A device for detecting fraudulently printed paper in a sheet-fed printing press, characterized in that the center of swing of the is located downstream of the intake hole in the circumferential direction of the cylinder in terms of paper conveyance.