2results about How to "Efficient ejection" patented technology

This utility model discloses a precision stamping die for mass production of 1500MPa grade cold-formed steel, relating to the field of cold-formed steel stamping technology. The precision stamping die for mass production of 1500MPa grade cold-formed steel includes a base, a frame fixedly mounted on top of the base, a lower die base fixedly mounted on the base, two hydraulic presses fixedly mounted on the top of the frame, pressure plates fixedly mounted on the piston ends of the two hydraulic presses, two guide sleeves fixedly mounted below the pressure plates, two guide pillars slidably mounted within the two guide sleeves, four support rods slidably mounted on the pressure plates, the lower ends of the four support rods fixedly connected to a pad, and four springs respectively sleeved on the four support rods, the upper ends of the springs fixedly connected to the lower surface of the pressure plates. This design greatly improves the precision of stamped parts and reduces the scrap rate. The design of the support rods, pads, and springs allows the springs to push the pads to assist in unloading after stamping, making the unloading process smoother and improving production efficiency.

The utility model relates to the technical fields of injection mold, especially to a mold structure of in-mold forming anti-pressing base material, including front mould assembly and back mould assembly, back mould assembly is equipped with line position mechanism, inner lining mould core, back mould fixed plate, back mould movable plate and pre -topping spring, inner lining mould core is fixedly connected in back mould fixed plate, and inner lining mould core is equipped with base material, line position mechanism is equipped with line position cylinder and line position sliding block, and line position sliding block slidingly connects in back mould movable plate, and is transmission connection in piston rod end of line position cylinder, and one end of pre -topping spring is connected in back mould movable plate and is contacted, thereby making the elastic force of pre -topping spring drive back mould movable plate and back mould fixed plate and form certain gap between, above all, can realize the protection to base material, and the yield is greatly promoted, and the movement of accurate restriction part is guaranteed, and the stable operation is guaranteed, and the ejection reset process is optimized, and the production efficiency is improved, and the precision of double -guide promotion sliding block is guaranteed, and the product quality is guaranteed, and the comprehensive benefit is remarkable.