公开(公告)号：EP0273340A1

公开(公告)日：1988-07-06

申请号：EP87118917.1

申请日：1987-12-21

申请人： G.T.I. di GAIANIGO Umberto & C. Snc.

发明人： Gaianigo, Umberto

IPC分类号： B30B1/38

CPC分类号： B30B15/161

摘要： According to the invention, the pneumatic device for presses includes two cylinders (1,2; 31, 32) with different diameters, communicating with each other, within which slide two pistons equippped with shafts (7,9; 33, 34) integrally connected with one another.
The piston (1; 31) transmits a negligible power and it only serves the purpose of moving the upper part of the die until it brings it in the vicinity of its shutting point, while the other piston (2; 32) transmits the maximum power of the press in correspondence with the end stretch of the piston stroke. The device presents accident-prevention characteristics, since the entire stroke previous to the shutting of the die is performed by the cylinder transmitting a reduced power.
A variation of execution of the device foresees that the lowering cylinder (31) and the power cylinder (32) be arranged side by side and with their axes parallel with each other.

摘要翻译： 根据本发明，用于压力机的气动装置包括两个具有不同直径的气缸（1,2; 31,32），它们彼此连通，滑块两个活塞装配有与轴（7,9; 33,34）整体连接的滑动件 彼此之间。 活塞（1; 31）传递可忽略的动力，仅用于移动模具的上部部分，直到其将其置于其关闭点附近，而另一个活塞（2; 32）传递最大功率 对应于活塞冲程的末端拉伸。 该装置具有防止意外的特征，因为在模具关闭之前的整个冲程由气缸传递降低的功率来执行。 装置的执行变化预见到，下降缸（31）和动力缸（32）并排设置，并且它们的轴彼此平行。

公开(公告)号：EP0279071A3

公开(公告)日：1989-05-31

申请号：EP87119098.9

申请日：1987-12-23

申请人： G.T.I. di GAIANIGO Umberto & C. Snc.

发明人： Gaianigo, Umberto

IPC分类号： F16K31/04 ,  F16K31/163 ,  F16K31/54

CPC分类号： F16K31/163 ,  Y10T74/18112 ,  Y10T74/1812 ,  Y10T74/1864 ,  Y10T74/18776

摘要： The invention concerns an actuator for the operation of on-off valves. Said actuator includes a supporting body (1) in which there is transversally one pneumatic cylinder (8, 9) at least, able to activate in the two directions a rack (7) which engages itself with a cogged wheel (31; 50; 100) co-axial with the central shaft (15, 66, 104) of said actuator and able to transmit its own rotation through a pair of free wheels (27, 28; 61, 62; 109, 110) which rigidly and alternatively engage themselves in discordant directions with a ring (33, 34; 62, 63; 108) integral with the central shaft of the actuator, operation means by pneumatic pistons being foreseen for the relative axial movement between the cogged wheel and the shaft of the actuator. Depending on the mutual distance between the free wheels, it happens that in the absence of the pneumatic signal the actuator has its central shaft blocked or manually manoeuvreable. Moreover, besides the direct rotation of the throttle valve being integral with the shaft of the actuator, the operation of guillotine-type valves is foreseen by providing the shaft of the actuator with a nut screw (68) and with a screw (59) integrated with said guillotine.

摘要翻译： 本发明涉及用于开关阀操作的致动器。 所述致动器包括支撑体（1），其中至少横向地具有一个气缸（8,9），能够在两个方向上致动一个齿条（7），齿条（7）自身与齿轮（31; 50; 100 ）与所述致动器的中心轴（15,66,104）同轴，并且能够通过一对自由轮（27,28; 61,62; 109,110）传递其自身的旋转，所述自由轮刚性且可选地接合自身 在具有与致动器的中心轴成一体的环（33,34; 62,63; 108）的不一致的方向上，通过气动活塞预测齿轮和致动器的轴之间的相对轴向运动的操作装置。 根据自由车轮之间的相互距离，发生在没有气动信号的情况下，执行器的中心轴被阻挡或手动可操作。 此外，除了与致动器的轴一体的节流阀的直接旋转之外，通过为致动器的轴提供螺母螺钉（68）和集成有螺钉（59）的方式来预见闸板式阀的操作 与断头台。

公开(公告)号：EP0279071A2

公开(公告)日：1988-08-24

申请号：EP87119098.9

申请日：1987-12-23

申请人： G.T.I. di GAIANIGO Umberto & C. Snc.

发明人： Gaianigo, Umberto

IPC分类号： F16K31/04 ,  F16K31/163 ,  F16K31/54

CPC分类号： F16K31/163 ,  Y10T74/18112 ,  Y10T74/1812 ,  Y10T74/1864 ,  Y10T74/18776

摘要： The invention concerns an actuator for the operation of on-off valves. Said actuator includes a supporting body (1) in which there is transversally one pneumatic cylinder (8, 9) at least, able to activate in the two directions a rack (7) which engages itself with a cogged wheel (31; 50; 100) co-axial with the central shaft (15, 66, 104) of said actuator and able to transmit its own rotation through a pair of free wheels (27, 28; 61, 62; 109, 110) which rigidly and alternatively engage themselves in discordant directions with a ring (33, 34; 62, 63; 108) integral with the central shaft of the actuator, operation means by pneumatic pistons being foreseen for the relative axial movement between the cogged wheel and the shaft of the actuator. Depending on the mutual distance between the free wheels, it happens that in the absence of the pneumatic signal the actuator has its central shaft blocked or manually manoeuvreable. Moreover, besides the direct rotation of the throttle valve being integral with the shaft of the actuator, the operation of guillotine-type valves is foreseen by providing the shaft of the actuator with a nut screw (68) and with a screw (59) integrated with said guillotine.

摘要翻译： 本发明涉及用于开关阀操作的致动器。 所述致动器包括支撑体（1），其中至少横向地具有一个气缸（8,9），能够在两个方向上致动一个齿条（7），齿条（7）自身与齿轮（31; 50; 100 ）与所述致动器的中心轴（15,66,104）同轴，并且能够通过一对自由轮（27,28; 61,62; 109,110）传递其自身的旋转，所述自由轮刚性且可选地接合自身 在具有与致动器的中心轴成一体的环（33,34; 62,63; 108）的不一致的方向上，通过气动活塞预测齿轮和致动器的轴之间的相对轴向运动的操作装置。 根据自由车轮之间的相互距离，发生在没有气动信号的情况下，执行器的中心轴被阻挡或手动可操作。 此外，除了与致动器的轴一体的节流阀的直接旋转之外，通过为致动器的轴提供螺母螺钉（68）和集成有螺钉（59）的方式来预见闸板式阀的操作 与断头台。