45results about How to "Uniform shrinkage" patented technology

The utility model discloses a compression-resistant packing barrel injection mold, which relates to the technical field of injection molding, and comprises a base and a mounting rack fixed on the base, the lower surface of the mounting rack is fixedly connected with a third electric telescopic rod, and the telescopic end of the third electric telescopic rod is fixedly connected with a lifting plate. And the lower surface of the lifting plate is fixedly connected with an upper injection molding block. According to the injection molding device, through cooperative use of the fixed disc, the sliding cylinder, the second electric telescopic rod, the adjusting frame, the expansion plate and the first sliding groove, the sliding cylinder is driven by the second electric telescopic rod to move longitudinally, the hinged adjusting frame is driven to generate angle change, and the expansion plate is forced to expand outwards in the radial direction along the first sliding groove; the mechanical linkage design can accurately convert contraction force into uniform expansion force, so that the inner wall of the packaging barrel is completely separated from the mold, deformation or scratching caused by manual prizing is avoided, the mold is particularly suitable for demolding of a barrel body with a complex compression-resistant structure, and the packaging barrel can be taken out smoothly.