Manufacturing equipment and mold of metal spiral-wound gasket

Abstract

The invention discloses manufacturing equipment of a metal spiral-wound gasket. The manufacturing equipment is characterized by comprising an outer ring deformation device and an inner and outer ringautomatic lantern ring leveling device. The outer ring deformation device comprises an outer ring deformation mold used for achieving first deformation of an outer ring, enabling the outer ring to jack up from bottom to top, and expanding the inner diameter of the top of the outer ring. The inner and outer ring automatic lantern ring leveling device comprises a first platform body, a first multistation index plate, a lantern ring mold and an outer ring leveling mold arranged at the first platform body. The lantern ring mold is used for completely compressing an inner ring into the outer ring.The outer ring leveling mold is used for achieving second deformation of the outer ring and leveling the upper and lower surfaces of the outer ring. According to the manufacturing equipment of the metal spiral-wound gasket, during the installation process of the inner ring and the outer ring, annular protrusions at the outer surface of a winding ring of the inner ring are not liable to upwarp or be crushed, flatness and finish degree of the product surface are high, and the automation degree is high. The invention further provides a manufacturing mold of the metal spiral-wound gasket.

Description

technical field [0001] The invention relates to the technical field of metal wound gaskets, in particular to manufacturing equipment and molds for metal wound gaskets. Background technique [0002] Metal wound gasket is a kind of sealing gasket widely used at present. It is the sealing element of flange joints such as steam pipelines and oil pipelines. Strengthen four types, Figure 1, figure 2 Provided is a metal spiral gasket with inner and outer reinforcing rings, which includes an outer ring 1a and an inner ring 2a, the inner ring 2a includes an inner reinforcing ring 3a and a winding ring 4a arranged outside the inner reinforcing ring 3a, the The inner wall of the outer ring 1a is provided with an annular groove 5a, and the outer surface of the winding ring 4a is provided with an annular protrusion 6a that can be embedded in the annular groove 5a of the outer ring 1a, and the inner ring 2a passes through the annular protrusion 6a It is connected with the outer ring 1a ...

AI Technical Summary

Problems solved by technology

[0003] In order to make the outer ring 1a and the inner ring 2a have good sealing performance, the outer diameter of the inner ring 2a is usually set to be 1.2mm larger than the inner diameter of the outer ring 1a, but the larger interference, plus the winding ring 4a itself is not A regular circle and a certain degree of elasticity, so that when the inner ring is driven into the outer ring by manual hammering, it is easy to cause the annular protrusion on the outer surface of the winding ring 4a to be crushed, or the winding ring 4a is warped, thereby It makes the installation more difficult, the production efficiency is lower, and affects the final sealing performance of the product, and the scrap rate is higher; in addition, manual hammering will leave marks, and the product surface is not smooth and smooth

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