The invention discloses a mold opening and closing device for a hollow blow molding machine, relating to the technical field of hollow blow molding machines, comprising: a mold moving frame provided with mounting plates on which hydraulic cylinders and limit rods are arranged, the limit rods are arranged between the two mounting plates, and guide rods are arranged between two opposite limit rods; two template frames arranged oppositely, the template frames are connected with the hydraulic cylinders, the template frames are arranged on the guide rods through through holes, and templates are arranged on the opposite sides of the two template frames; a bearing assembly arranged on the mold moving frame, the bearing assembly comprises two sliding blocks, a connecting plate, a lifting rod and a support plate, the connecting plate is arranged between the two sliding blocks, the lifting rod is arranged on the connecting plate, and the support plate is arranged at the lifting end of the lifting rod. According to the invention, two hydraulic cylinders are arranged to separately control the templates, so that the mold clamping force can be adjusted when blowing different plastics; and the bearing assembly is arranged to bear plastic products.
Country Code: CN
Application Number: CN202411237365.6
