Pressing device for gear ring machining

The utility model discloses a pressing device for gear ring machining, which comprises a machine base, a die holder is arranged on the surface of the machine base, a gear ring die groove is arranged on the surface of the die holder, a hydraulic cylinder is arranged on the surface of the upper end of the machine base, a gear ring pressing cylinder is fixed on the end face of a hydraulic rod of the hydraulic cylinder, and a material ejecting device is arranged in the die holder. The material pushing device is arranged on the surface of the die holder, through the material ejecting device of a mechanical mechanism, lifting and stripping can be conducted through resetting of the hydraulic cylinder, then the material is pushed away through the material pushing device for stripping, stripping is convenient, the material ejecting device does not need to independently drive equipment, and cost is reduced. 本实用新型公开了一种齿轮齿圈加工用压制装置，包括机座，所述机座的表面设置模座，所述模座的表面设置有齿圈模槽，所述机座的上端表面设置有液压缸，所述液压缸的液压杆端面固定有齿圈压筒，所述模座内设置有顶料装置，所述模座的表面设置有推