Patent ID: 8132797
Filing Date: 2012-03-13
Classification: B23Q,Y10T

Abstract:
1. A floating-type clamping device for clamping a plate material, comprising: a frame body; a pneumatic cylinder unit including at least one cylinder supported by said frame body; a pressing plate connected to and operated by said cylinder so as to move upward or downward; a floating plate connected to said frame body below said pressing plate, and including a plate body, a plurality of nozzles provided in a bottom face of said plate body, and an air passage disposed inside said plate body and communicated with said nozzles, said plate body cooperating with said pressing plate to clamp the plate material when said pressing plate moves downward; two grips connected to said frame body and adapted to be gripped by an operator; an air supply pipe unit connected and supplying compressed air to said pneumatic cylinder unit and said floating plate; a safety control unit connected to said air supply pipe unit and operable to block or permit the flow of said compressed air into at least one of said cylinder and said air passage, said safety control unit being disposed on said frame body near or on at least one of said grips so that said safety control unit can be operated by at least one hand of the operator which holds at least one of said grips simultaneous with a gripping action of the operator; and a flow control valve connected to said air supply pipe unit and disposed between said safety control unit and said air passage so as to regulate a flow rate of the compressed air into said air passage.