A filter and pouring system

By optimizing the structure of the casting system in the foundry industry and adopting filter and coated sand design, the problems of large space occupation and excessive secondary slag in the casting system have been solved, achieving stable flow of molten metal and improving the surface quality of castings.

CN224524070UActive Publication Date: 2026-07-21HIMILE MECHANICAL SCI & TECH (SHANDONG) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HIMILE MECHANICAL SCI & TECH (SHANDONG) CO LTD
Filing Date
2025-08-01
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

The existing gating systems in the casting industry have problems such as large space occupation, unreasonable gating channel design leading to more secondary slag formation, and the molten iron being prone to oxide slag when the ingate is high and long, which affects the surface quality of the castings.

Method used

Design a filter and gating system to optimize the connection structure between the runner and the ingate. Use a filter to filter the molten metal, shorten the ingate, and control the flow rate and pressure fluctuations by designing the cone angle of the filter plate, buffer chamber, and liquid accumulation chamber to reduce impurity settling. Use coated sand to make the filter to prevent the sand from being washed away.

Benefits of technology

It achieves smooth flow of molten metal, reduces the formation of secondary slag, improves the surface quality of castings, and reduces the size of sand boxes and the overall volume of the gating system through a compact layout.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224524070U_ABST
    Figure CN224524070U_ABST
Patent Text Reader

Abstract

The utility model discloses a filter and pouring system, it belongs to foundry technical field, and the filter includes filter sheet and two housings, every housing is equipped with the communicating cavity, the buffer cavity, the effusion cavity and the filter sheet setting groove that communicate in proper order in it, and the inner side of buffer cavity and the inner side of effusion cavity are the taper of same inclination tendency, and the taper angle beta of buffer cavity inner side is greater than the taper angle gamma of effusion cavity inner side, and the one end of two housings is butt -jointed, and the upper and lower symmetrical setting of being equipped with filter sheet setting groove, and the filter sheet is set in filter sheet setting groove, and the pouring system includes main direct sprue, cross gate, branch direct sprue, inner gate and above -mentioned filter, and main direct sprue communicates with cross gate, and the upper end of branch direct sprue communicates cross gate, and the lower end communicates inner gate through filter. The filter plays the role of excluding air and liquid seal protection in the pouring system, and can realize impurity settlement and flow rate control, can not only reduce the formation of secondary slag, and the layout is more compact.
Need to check novelty before this filing date? Find Prior Art