Process of punching center hole of aluminium alloy wheel hub by spinning

Abstract

The invention discloses a process of punching a center hole of an aluminium alloy wheel hub by spinning. The process comprises the steps of rotating a screwing button of a threaded rod according to dimension of the aluminium alloy wheel hub, wherein the threaded rod moves out from a threaded bushing, adjusting a separation distance between a first disc and a second disc, loosening a telescopic rodand an outer loop bar by the first and second discs, pulling a first clamp and a second clamp outward to extract the telescopic rod from the outer loop bar, adjusting a separation distance between the first clamp and the second clamp, rotating fastening bolts on the first and second clamps, wherein inner shoe plates in the first and second clamps are loosened to pull two ends of the first and second clamps; and extracting the inner shoe plates from the first clamp and the second clamp, and adjusting notches of the first and second clamps. According to the process, aluminium alloy wheel hubs of different sizes can be perforated by the process, so that it is firmer to fix the aluminium alloy wheel hubs, and meanwhile, it can be flexible to control the perforating depths and the perforatingpositions of the aluminium alloy wheel hubs, so that the operating flexibility of the aluminium alloy wheel hubs is improved.

Description

technical field [0001] The invention belongs to the technical field of wheel hub processing, and in particular relates to a process for spinning and punching a center hole of an aluminum alloy wheel hub. Background technique [0002] The alias of the wheel hub is also called the rim, that is, the inner profile of the tire is used to support the barrel-shaped knot structure of the tire, that is, the part that is assembled on the shaft in the center. Common car wheels include steel wheels and aluminum alloy wheels. The strength of steel wheels High, often used in large trucks, but steel wheels are heavy and have a single shape, which does not conform to the current concept of low-carbon and fashion, and is gradually being replaced by aluminum alloy wheels. [0003] Patent document CN102873252B discloses a large-scale aluminum alloy wheel hub forging process, which is characterized in that it adopts the processing technology of a large-scale aluminum alloy wheel hub forging pro...

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the fact that the traditional process cannot be applied to aluminum alloy wheels of different sizes when the user uses the traditional aluminum alloy wheel hub spinning and punching center hole process, the traditional process cannot be applied to aluminum alloy wheels of different sizes, thereby reducing the scope of application of the traditional process for drilling operations. Secondly, the traditional aluminum alloy wheel Alloy wheel spinning and punching center hole technology cannot perform lifting adjustment operation, so that the traditional technology cannot perform corresponding adjustment operations according to the hole depth of the aluminum alloy wheel hub, thereby reducing the flexibility of the traditional technology when opening holes, while the traditional aluminum The process of spinning and punching the center hole of the alloy wheel cannot be fixed and adjusted, which makes the aluminum alloy wheel easy to fall off during the hole opening process, which reduces the safety of the aluminum alloy wheel spinning hole operation, and provides an aluminum alloy wheel spinning Punching center hole process

Images