Grinding and polishing fixture suitable for metallographic sample preparation of wear-resistant steel/structural steel welded joint

The utility model discloses a grinding and polishing fixture suitable for metallographic sample preparation of a wear-resistant steel/structural steel welded joint, belongs to the technical field of metallographic sample preparation equipment, and is used for grinding the metallographic sample of the wear-resistant steel/structural steel welded joint. According to the technical scheme, an end clamp is a circular ring, internal threads are arranged at the upper end of the end clamp and connected with the lower end of a sleeve, the diameter of an inner hole of the sleeve is matched with the diameter of a metallographic inlay sample, a force adjusting device is a cylinder, and the lower end of the force adjusting device is in threaded connection with the upper end of the sleeve. A plurality of through adjusting holes are evenly distributed in a cylinder of the force adjusting device, cylindrical cushion blocks and springs are placed in the adjusting holes, the cylindrical cushion blocks and the springs are in sl