Intelligent oil return device for bottle preform production line
By introducing intelligent filtration components and a lifting system into the oil return device, the problem of the lack of filtration function in the oil return device is solved, and impurity filtration and height adjustment are realized, thereby improving the service life and applicability of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGZHOU ZIJIANG PACKAGING CO LTD
- Filing Date
- 2025-08-07
- Publication Date
- 2026-07-24
AI Technical Summary
Existing oil return devices lack filtration capabilities, causing metal shavings and plastic particles to enter the hydraulic or lubrication system, resulting in severe equipment wear and affecting the service life of production line equipment.
An intelligent oil return device for a preform production line was designed, equipped with an intelligent oil return filtration component and an intelligent lifting component, including a filter screen, a flow sensor, an alarm, and a lifting system. It can filter impurities and adjust the height to adapt to different equipment.
It effectively filters metal shavings and plastic particles, preventing equipment wear and extending equipment lifespan. Its height is adjustable to adapt to different equipment, enhancing its applicability.
Smart Images

Figure CN224545249U_ABST