A sand core dip coater

By incorporating a stirring structure and a coating pump in the dipping zone within the sand core dipping machine, combined with a rotary conveyor and an inclined structure, the problem of coating unevenness was solved, thereby improving the uniformity of coating application and the quality of castings.

CN224333402UActive Publication Date: 2026-06-09YANTAI LITA CRAFTSMAN ROBOT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANTAI LITA CRAFTSMAN ROBOT CO LTD
Filing Date
2025-07-16
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

In the manufacturing of automotive parts, the coating process during the impregnation of sand cores in existing technologies is prone to uneven sedimentation, resulting in uneven coating density, inconsistent usage, and quality defects such as sand core collapse and uneven density.

Method used

A multi-stage approach is adopted to improve coating uniformity, including setting up a stirring structure at the front end, using a coating pumping method in the dip coating zone at the rear end, and using rotary conveying and rotary dip coating, combined with sand core conveying with an inclined structure, to ensure uniform coating coverage.

Benefits of technology

This achieves uniform coating coverage, avoiding problems such as inconsistent coating usage and uneven density, and improving the yield and surface quality of castings.

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Abstract

The utility model relates to a kind of sand core dip-coater, comprising: dip-coating mechanism, including dip-coating jar, the dip-coating jar top opening;Sand core conveying mechanism, including mounting bracket and the conveying assembly fixedly connected in mounting bracket, the mounting bracket is set to the installation surface of inclination setting, installation surface corresponds to dip-coating jar, the conveying assembly includes the mandrel for fixing sand core and respectively for driving mandrel rotation and lifting rotation driving portion and lifting driving portion, the mandrel is connected to the output end of rotation driving portion, the output end of rotation driving portion is connected to lifting driving portion;Coating conveying mechanism, including agitator tank, the lower end of agitator tank is connected with coating conveying pipeline by discharge port, the coating conveying pipeline is communicated dip-coating jar.The sand core dip-coater provided by the utility model adopts multistage to improve the uniformity of coating, while realizing sand core effective dip-coating, can effectively overcome the quality defects such as uneven dilute coating, coating usage amount is not fixed.
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