Pneumatic rotary clamping device
A technology of clamping device and rotating structure, applied in the direction of clamping device, positioning device, clamping, etc., can solve the problems of reducing the strength of the piston rod, easy to break the piston rod, etc. Effect
Inactive Publication Date: 2015-01-28
CHONGQING JINLUN IND
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The invention relates to a workpiece clamping device, in particular to a pneumatic rotary clamping device. The pneumatic rotary clamping device comprises a cylinder, a pressing arm and a rotary structure, wherein a piston rod of the cylinder is connected with the pressing arm; the rotary structure is fixed in the cylinder and comprises a base and a mandrel; a spiral groove is formed in the axial direction of the mandrel; the mandrel is in coaxial sliding fit with the piston rod from one side of a piston seal of the cylinder; a guide structure matched with the spiral groove is arranged in the piston seal of the cylinder. The pneumatic rotary clamping device facilitates take-out and put-in of a workpiece, and the service life of the piston rod can be prolonged.
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