Liquid cooling box body splitting and welding process and liquid cooling box body

Through the liquid-cooled box split welding process, the liquid-cooled box is split into independent parts, and the rear side plate and bottom plate are first welded by friction stir welding, and then other welding methods are carried out, which solves the problem of low welding quality caused by structural interference in the existing technology, improves welding quality and sealing, and reduces the deformation risk of liquid-cooled box.

CN119703318APending Publication Date: 2025-03-28GUANGZHOU YUCHENG INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202510037165.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

During the welding process of existing liquid-cooled box, since the bottom includes the left side plate and the bottom includes the right side plate, structural interference occurs when friction stir welding is used, and the two ends of the front end baffle and the rear end baffle cannot be effectively welded, reducing the welding quality.

Method used

The liquid-cooled box split welding process is adopted to separate the bottom plate, front side plate, rear side plate, left side plate and right side plate into independent parts. First, the front side plate and rear side plate are welded with the bottom plate through friction stir welding equipment to avoid structural interference, and then the left side plate and right side plate are welded to the bottom plate.

Benefits of technology

It effectively avoids structural interference, improves welding quality, ensures the sealing of the coolant flow channel, and reduces the risk of deformation, distortion and warping of the liquid-cooled box during assembly.

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Abstract

The invention relates to the technical field of liquid cooling box welding, in particular to a liquid cooling box body splitting and welding technology and a liquid cooling box body. The technology comprises the steps that S1, a bottom plate, a front side plate, a rear side plate, a left side plate and a right side plate to be welded are prepared, and a plurality of main flow channels penetrating in the front-back direction are formed in the bottom plate; transition runners are respectively formed in the lower ends of the front side plate and the rear side plate; s2, the front side plate and the rear side plate are spliced with the bottom plate, so that the two ends of each main flow channel communicate with the corresponding transition flow channels to form a cooling liquid flow channel of the liquid cooling box body, and splicing seams between the bottom plate and the front side plate and between the bottom plate and the rear side plate are welded through friction stir welding equipment; and S3, the left side plate and the right side plate are spliced with the bottom plate, and splicing seams between the bottom plate and the left side plate and between the bottom plate and the right side plate are welded. The friction stir welding device can be prevented from generating structural interference with the left side plate and the right side plate, and therefore the sealing performance of the cooling liquid flow channel is ensured.
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