Side opening workpiece inner support type clamp

The utility model discloses an inner support type clamp for a workpiece with a side opening. The method is characterized in that the method is characterized by comprising the following steps; the clamp comprises a bottom plate; a clamp groove is formed in the bottom plate; two workpiece grooves are symmetrically distributed at the two ends of the clamp groove; the clamp groove and the workpiece groove are communicated with each other; a lifting air cylinder is arranged at the bottom of the bottom plate. The working end of the lifting cylinder is connected with the clamp body; the clamp body ismatched with the clamp groove in shape; a pair of first guide columns and a pair of second guide columns are further arranged in the clamp groove. The clamp body comprises a main body part and clamping parts located at the two ends of the main body part. The first guide pillar is connected with the main body part in a sliding manner; the two second guide columns are connected with the two clamping parts in a sliding mode