Patent ID: 9346106
Filing Date: 2016-05-24
CPC Classification: B21D,B23B,B23Q,Y10T

Claim Text:
1. A clamping apparatus comprising: a base; a sensing module mounted on the base; a plurality of stop blocks mounted on the base; a support mechanism mounted on the base; and a plurality of retaining mechanisms mounted on the base; wherein: the base has a central portion provided with an air chamber; the base has an outer wall provided with a platform, an annular groove and a bottom plate; the annular groove of the base has a periphery provided with a plurality of inner channels; the platform of the base has a periphery provided with a plurality of cavities; the bottom plate of the base is provided with a plurality of pivot portions; the stop blocks are located above the platform of the base; the sensing module is pivotally mounted on the periphery of the annular groove of the base and includes a first sensor and a second sensor; the support mechanism includes: a moving member extended into the air chamber of the base; a sensing member mounted on the moving member and movable to align with the sensing module; a seat located above the moving member; and a block mounted on the moving member; the moving member of the support mechanism is provided with an annular flange; the seat of the support mechanism has a bottom provided with a depression mounted on the annular flange of the moving member; the seat of the support mechanism has a central portion provided with a through hole connected to the depression; the block of the support mechanism is received in the through hole of the seat; the retaining mechanisms are mounted in the cavities of the platform of the base; each of the retaining mechanisms includes: a thrust unit mounted in the respective inner channel of the annular groove of the base; and a push plate pivotally mounted on the respective pivot portion of the bottom plate of the base and connected with the thrust unit.