Quick-change tool and movable auxiliary assembly device

The utility model discloses a quick-change tool. The quick-change tool is characterized by comprising a universal plate (1), two edge strips (2) and a special tool plate (3), the universal plate (1) is vertically arranged, the two edge strips (2) are fixed on the universal plate (1) at intervals, and a vertical dovetail groove (2-1) is formed between the two edge strips (2); the special tool plate (3) is in sliding fit with the dovetail groove (2-1), and a check block (4) used for limiting when the special tool plate (3) slides downwards in place is fixed to the universal plate (1). The special tool plate (3) is provided with a hanging ring (5), and the universal plate (1) is provided with a quick clamp (6) used for pressing the special tool plate (3) downwards. The special tool plate can be used for low-cost and quick replacement of different special tool plates (3), and can meet functional requirements. The utility model further discloses a movable auxiliary assembly device. 本实用新型公开了一种快换工装，其特征在于：包括通用板(1)、两个