High-strength thick-wall bottle and can die

Abstract

The invention provides a high-strength thick-wall bottle and can die. The high-strength thick-wall bottle and can die is characterized in that one end, facing a punch, of an inner bottom die is equipped with an arc-shaped protruded surface, wherein R angle of the arc-shaped protruded surface is 45-46mm; the side edge of the arc-shaped protruded surface is in smooth transition with the outer wall of the inner bottom die through a circular arc section, and the R angle of the circular arc section is 24.5-25.5mm; an outer bottom die sleeves the inner bottom die; one side, facing the punch, of theouter bottom die is provided with a concave chamber; an inclination angle between the inner wall surface of the concave chamber and an axis of the outer bottom die is 45 degrees; the arc-shaped protruded surface is arranged in the concave chamber; a clearance for forming an inclination angle of the bottom part of the bottle or can is arranged between the inner wall surface of the concave chamber and the outer wall of the inner bottom die; one side, facing the outer bottom die, of a punching nose is provided with an inclined surface which is matched with the concave chamber; an included angle between the inclined surface and an axis of the punching nose is 45 degrees; and a step surface for controlling the wall thickness of the bottle or can is arranged at the outer wall of a punch body. The high-strength thick-wall bottle and can die solves the problem that the pressure resistance of the bottom of the bottle or the can manufactured through an existing die is low, and a can body is easily wrinkled, and the wall of a can body is thin, and the can is easily broken.

Description

technical field [0001] The invention relates to the field of stretching machine molds, in particular to a high-strength thick-walled bottle mold. Background technique [0002] The forming of pop-top cans generally uses a stretching machine, and the forming process is formed through the sequential action of each part of the stretching machine mold (stretching punch, punching nose, inner bottom mold, outer bottom mold, re-drawing ring, ironing thin ring) , so the mold directly determines the shape of the jar. [0003] However, in the existing molds for bottles and cans, when the material thickness is 0.270mm or more, the cans are prone to breakage due to the thin wall thickness during the stretch forming process of the cans, and the compressive strength of the bottom of the cans is not enough, and the bottom of the cans is prone to cracking. The wrinkle phenomenon has great limitations. Contents of the invention [0004] In order to make up for the deficiencies in the prio...

AI Technical Summary

Problems solved by technology

[0004] In order to make up for the deficiencies in the prior art, the present invention provides a high-strength thick-walled bottle and can mold, which solves the problem of insufficient compressive strength of the bottom of the bottle and can made by the existing mold, which is prone to wrinkle and wrinkle of the can body wall. Too thick and easy to break the tank

Images