Machining clamp for automatic overturning lock catch of automobile rear row seat

A machining clamp for an automatic overturning lock catch of an automobile rear row seat comprises a positioning seat, positioning grooves are evenly machined in one side of the positioning seat, through holes are machined in the middles of the positioning grooves, the lower portion of the positioning seat is clamped and positioned through a bench vice, a base on the lower portion of the bench vice is fixed to an equipment sliding seat, the equipment sliding seat is in sliding connection with an equipment sliding rail, and a cutting knife is arranged above the positioning seat. The boss of the support is embedded into the positioning groove in a matched mode, the through hole corresponds to a center hole in the middle of the boss and is locked and limited through the locking bolt assembly, the bench vice drives the positioning base and the support to move to the position below the cutting knife, and the upper portion of the support is cut and formed through the cutting knife. According to the device, the supp