Multi-angle rotary fixture for shear force tests on chips

The invention discloses a multi-angle rotary fixture for shear force tests on chips. The multi-angle rotary fixture comprises an upper clamp and a lower clamp. A rectangular groove is formed in the top of the upper clamp, an adjusting bolt which is in thread fit with the upper clamp is horizontally penetratingly arranged on a side of the upper clamp, the inner end of the adjusting bolt extends into the rectangular groove and is connected with a chip clamp plate, and the chip clamp plate can be matched with the rectangular groove; a cylindrical protrusion is arranged at the bottom of the upperclamp; a cylindrical groove which is matched with the cylindrical protrusion is formed in the top of the lower clamp, a fixing bolt which is in thread fit with the lower clamp is horizontally penetratingly arranged on a side of the lower clamp, and the inner end of the fixing bolt can be matched with the side walls of the cylindrical protrusion; a fixture block in the shape of a cuboid is arrangedat the bottom of the lowe