Automatic centering fixture for valve body

Abstract

The utility model belongs to the field of clamp, concretely relates to a valve body automatic centering clamp, including clamping hydraulic cylinder and clamping block and rotation angle seat and inclined groove plate, the rotatable setting of positioning seat is arranged on rotation angle seat, the V type block for placing valve body is set up on the side of positioning seat to clamping block, clamping block is linked and is set on clamping hydraulic cylinder, the driving force of clamping hydraulic cylinder makes clamping block move to positioning seat direction, the pull fork is rotatably arranged on positioning seat, the sliding inclined groove is set up on inclined groove plate, the sliding shaft of pull fork one end is set up and is inserted in sliding inclined groove, sliding shaft acts with inclined groove plate and makes pull fork rotate relative to positioning seat, the sliding setting of inclined wedge is between rotation angle seat and positioning seat, the end of inclined wedge is set up and is linked with the pull fork and is matched with the push shaft, the action of inclined wedge is with push shaft and positioning seat is driven to move to the direction of pressing block, this automatic centering clamp is through the cooperation of sliding inclined groove and pull fork, can realize the opposite synchronous movement of clamping block and positioning seat, reaches the purpose of automatic centering of valve body.

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