Precise forming mold of water lubrication rubber alloy bearing

Abstract

The invention discloses a water lubrication rubber alloy bearing precise forming die, comprising a die body, a die core and an injection device, an upper end cover and a lower end cover; the external round surfaces of the upper end and the lower end of the die body and the die core are taper shapes which are contracted with the end part; the external circumferences of the upper end cover and the lower end cover are respectively provided with an external edge I and an external edge II with conical internal surfaces; the internal surfaces of the external edge I and the external edge II are closely enclosed to the upper end and the lower end of the die body; the middle parts of the upper end cover and the lower end cover are respectively provided with an upper end cover taper hole or trough and a lower end cover taper hole or trough which are closely matched with the taper shapes of two ends of the die core; the water lubrication rubber alloy bearing precise forming die can quickly realize the axial automatic center-fixing and positioning of the die body and the die core by a close taper matching; the product can achieve the specified dimension precision after once forming, thus reinforcing the compactness of the product after the hot-pressing vulcanization forming.

Description

technical field [0001] The invention relates to a vulcanization molding die, in particular to a water-lubricated rubber alloy bearing precision molding die. Background technique [0002] Water-lubricated bearings are widely used in mechanical transmission, especially propulsion systems such as ships. Water-lubricated bearings use water as the lubricating medium, which can well solve the problems of resource conservation and environmental friendliness. [0003] Water-lubricated bearings adopt a structure in which the outer ring is lined with water-lubricated rubber materials. In the prior art, especially water-lubricated rubber alloy bearings are generally manufactured by vulcanizing and forming fixed bearing rubber alloy bushes in the outer ring of the bearing through a mold. The vulcanization molding mold in the prior art adopts the structure of a mold core and a mold body, and rubber is injected into the gap between the mold core and the mold body to realize vulcanization ...

AI Technical Summary

Problems solved by technology

Although this method can produce water-lubricated rubber alloy bearings, since the mold has no positioning function, it cannot guarantee the dimensional deviation and the concentricity between the vulcanized bushing and the outer ring of the bearing, so secondary processing is required to destroy the vulcanized bushing Structure; the accuracy of the bushing cannot be guaranteed, which affects the service life of the bearing and the efficiency of the transmission

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