A multi-functional assembling wedge includes a driving block, a sliding block and a sliding block seat. Both the driving block and the sliding block seat are a split-type structure and are composed of a standard element mounted in connection with a stamping die and a regulation element for regulating a working angle of the wedge. The standard element is detachably mounted on the regulation element, therefore any working angle can be achieved only by replacing the regulation element according to the use requirements of the user. In addition, one component only needs to be replaced if this component is damaged during use, therefore the use cost can be saved.
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