Negative pressure glue injection device and method

By designing a negative pressure glue injection device, the connection between the negative pressure structure and the raw material storage structure is used to eliminate and remove bubbles in the potting glue, solving the problem that bubbles affect product quality during the glue injection process, and achieving high-quality glue injection effect.

CN119702349APending Publication Date: 2025-03-28DALIAN HUAGONG INNOVATION TECH
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Patent Information

Application Number
CN202510073984.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

Potting adhesive is prone to bubbles during the glue injection process, affecting product quality, resulting in a decrease in material strength, uneven appearance, and affecting subsequent process and functional performance.

Method used

A negative pressure glue injection device is designed, including a glue coating head, a metering pump group and a negative pressure bubble removal assembly. Through the connection between the negative pressure structure and the raw material storage structure, bubbles in the raw material storage structure are eliminated, and bubbles are removed through negative pressure circulation to ensure the quality of the glue.

Benefits of technology

Effectively remove bubbles in the glue, ensure product quality during the glue injection process, and avoid material strength drops, appearance unevenness and functional performance caused by bubbles.

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Abstract

The invention discloses a negative pressure glue injection device and method, and relates to the technical field of glue injection equipment, the negative pressure glue injection device comprises a gluing head, a metering pump set and at least one negative pressure bubble removing assembly, the negative pressure bubble removing assembly comprises a negative pressure structure and a raw material storage structure, the negative pressure structure is connected with the raw material storage structure, and the raw material storage structure is connected with the metering pump set. The negative pressure structure is used for eliminating bubbles in the raw material storage structure, the raw material storage structure is used for being connected with the metering pump set, a first glue return pipe is further arranged between the metering pump set and the raw material storage structure, the metering pump set is used for being connected with the gluing head, and the gluing head is used for achieving glue injection on a workpiece. The negative pressure glue injection device can remove bubbles in glue.
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