Method for processing outer cap and lower pipe in anti-fake bottle cap

Abstract

The invention belongs to the field of anti-fake bottle caps, and particularly relates to a method for processing an outer cap and a lower pipe in an anti-fake bottle cap. According to the invention, aluminum alloy or zinc alloy is selected. Firstly, rough machining is conducted on the outer walls of the outer cap and the lower pipe, clamping grooves are machined in the outer cap and the lower pipe, and nanometer injection molding parts are arranged on the clamping grooves; then, the nano injection molding parts of the outer cap and the lower pipe inner clamping grooves are corroded through T treatment liquid, and nano-scale micropores with the diameter being 10-500 nm are etched in the surfaces of the nano injection molding parts; then, the product subjected to T treatment serves as an insert to be put into a nanometer injection molding machine, and nanometer injection molding treatment is conducted on the nanometer injection molding parts; and finally, fine machining is conducted, so that the inner and outer forming requirements of the outer cap and the lower pipe are completed. According to the processing method for the outer cap and the lower pipe in the anti-fake bottle cap, the structural strength is high, and the forming effect is good. Compared with traditional die-casting forming, the production cost is greatly reduced.

Description

technical field [0001] The invention belongs to the field of anti-counterfeit bottle caps, and in particular relates to a processing method for an outer cap and a lower tube of an anti-counterfeit bottle cap. Background technique [0002] In the field of anti-counterfeiting bottle caps, the outer cap and the lower tube are the key parts. Usually, the outer cap is provided with a broken groove, and the lower tube is connected with a broken block through a connecting rib. When the consumer opens the bottle cap, he needs to twist the lower tube. The tube, so that the broken block in the down tube breaks, which ensures the realization of the anti-counterfeiting function. In the existing anti-counterfeiting bottle caps, the processing materials of the outer cover and the lower tube are generally plastic or alloy. When the processing material is made of plastic, the process of injection molding is generally adopted for processing. The pipe forming effect is good, but the overall ...

AI Technical Summary

Problems solved by technology

In the existing anti-counterfeiting bottle caps, the processing materials of the outer cover and the lower tube are generally plastic or alloy. When the processing material is made of plastic, the process of injection molding is generally adopted for processing. The pipe forming effect is good, but the overall structural strength is poor and it is easy to be damaged; when the processing material is made of alloy, it is generally processed by die-casting process. This forming process requires high mold quality, so the mold cost is high, and it is not suitable for small batch production

In addition, for the outer cover and the lower tube itself, the inner cavity is complex, and die-casting is more difficult. For example, during die-casting, liquid metal fills the cavity at a high speed, the flow state is unstable, and pores are prone to occur, and post-processing is not easy.

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