Hydraulic clamping head of rotating bending drawframe
A technology of hydraulic chuck and stretching machine, applied in the field of hydraulic chuck, can solve the problems of poor and accurate control of clamping force, affecting processing accuracy, unevenness, etc., so as to improve operability and stability, and increase reliability. , the effect of improving the utilization rate
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[0024] See attached figure 1 to attach figure 2 As shown, a hydraulic chuck of a rotary bending stretching machine includes a chuck body 3, an upper chuck 2 fixedly arranged on the chuck body 3, and a movable chuck body 3. The lower chuck 1, the chuck body 3 is provided with a connecting rod group 4, the connecting rod group 4 is connected with the lower chuck 1, and the lower chuck 1 moves up and down through the movement of the connecting rod group 4, so as to achieve clamping or loosening The purpose of the artifact.
[0025] The connecting rod group 4 is mainly composed of a connecting rod plate 42, a main rocker arm 41 and a long connecting rod 43. The connecting rod plate 42 is rotatably connected to the chuck main body 3 through a first rotating shaft 45, and the main rocking arm 41 is connected through a second rotating shaft. 44 is rotatably connected to the link plate 42, one end of the main rocker arm 41 is connected to the lower chuck 1 through the third rotatin...
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