High-precision lubricating device for cold-drawing inner hole of aluminum pipe

CN224423844UActive Publication Date: 2026-06-30CHANGZHOU LINO METAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGZHOU LINO METAL CO LTD
Filing Date
2025-07-25
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

In the current process of cold drawing aluminum tubes, lubrication efficiency is low. Manual application of lubricating oil is labor-intensive and uneven, making it difficult to keep up with the machine's cold drawing speed and affecting processing efficiency.

Method used

A high-precision lubrication device for the inner hole of cold-drawn aluminum tubes was designed. It adopts a combination of lubrication components and annular brushes. The lubricating oil is evenly sprayed onto the surface of the aluminum tube through the oil delivery pipe and then spread by the annular brush. Combined with the collection component, the lubricating oil is collected and filtered to improve the utilization rate of the lubricating oil.

Benefits of technology

It achieves uniform application and efficient collection of lubricating oil, improves the lubrication effect during the cold drawing process of aluminum tubes, reduces lubricating oil waste, and improves processing efficiency and lubricating oil utilization.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224423844U_ABST
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Abstract

This utility model relates to the field of aluminum tube processing technology and discloses a high-precision aluminum tube cold-drawn inner hole lubrication device, including a mounting frame. A mold base is fixedly mounted inside the mounting frame, and an aluminum tube body is disposed inside the mold base. A lubrication assembly is disposed on the upper surface of the mounting frame. The lubrication assembly includes a lubricating oil tank, which is fixedly connected to the upper surface of the mounting frame. An oil inlet pipe is connected through the upper surface of the lubricating oil tank, and an oil-blocking cap is threaded to one end of the oil inlet pipe. An oil delivery pipe is connected through one side of the lubricating oil tank. This utility model utilizes the oil delivery pipe to transport lubricating oil to the upper and lower spray pipes and the side pipe to form a ring-shaped spraying area, spraying the aluminum tube in all directions. The staggered arrangement of the upper and lower spray pipes reduces lubricating oil dripping and contaminating the lower spray pipe. A rotating ring brush can coat the outside of the sprayed aluminum tube in a ring shape, improving the uniformity of lubricating oil adhesion. Simultaneously, a collection box collects the dripping lubricating oil from above to reduce waste.
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