Four-shaft turn-over primary complete clamp

The utility model discloses a four-shaft turn-over primary complete clamp. The four-shaft turn-over primary complete clamp comprises a bottom plate, locating pins, a compacting device and error-preventing pins, wherein the compacting device is divided into side edge compacting devices, a left compacting device, a right compacting device and middle compacting devices; the upper and lower edges of the bottom plate are respectively provided with three side edge compacting devices in an equidistance manner, the middle positions of the left and right edges of the bottom plate are respectively provided with the left compacting device and the right compacting device, and the middle of the bottom plate is provided with two middle compacting devices; and the left compacting device, the right compacting device and the middle compacting devices are arranged on the same straight line and are distributed in the equidistance manner, the positions, corresponding to each side edge compacting device, on the bottom plate are all provided with one locating pin, and the left side of each side edge compacting device arranged on the upper edge is respectively provided with one error-preventing pin. The four-shaft turn-over primary complete clamp disclosed by the utility model has the advantages that the structure is simple, the use is convenient, three workpieces are arranged at one time, the production efficiency is improved, the error installation is prevented, and the processing quality is improved.