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Device for locking die slider utilizing pyramidal face

A device for locking a die sliding block using a conical surface is composed of a locking die sleeve and a sliding block. The form of the locking die sleeve is a cylinder, the inner large hole of the locking die sleeve is a taper hole, and the middle of the locking die sleeve is a small round hole, and two straight flutes are opened on the locking die sleeve. The locking die sleeve is fixed on a movable die seat plate by screws and pressing posts. The upper part of the sliding block is a half of taper cylinder, the lower part of the sliding block is provided with a base seat, and an upper locating step and a lower locating step are arranged inside the sliding block. The upper side of the sliding block is mounted with a forming module, and the sliding block and the axial direction of the forming module adopt step locating. A screw hole is opened on the 45 degrees direction of the sliding block, a thread hole is opened in the middle of the base seat, and the guiding position of the sliding block adopts a T shape step structure. Due to the fact that the device for locking a die sliding block using a conical surface adopts a composite structure, therefore the device for locking a die sliding block using a conical surface is provided with features of simple structure, convenient processing and manufacturing, and good locking die effect, and is applicable to the wedge-caulking devices of extrusion casting dies and casting dies.