An automatic defoaming agent dosing device for a developing machine

The automatic defoamer solution addition device solves the problems of foam control and uneven manual addition in the developing machine, realizes automated stirring and timed addition, and improves the defoaming effect and product quality.

CN224457224UActive Publication Date: 2026-07-03FUJIAN FUQIANG PRECISION PRINTED CIRCUIT BOARD CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FUJIAN FUQIANG PRECISION PRINTED CIRCUIT BOARD CO LTD
Filing Date
2025-07-02
Publication Date
2026-07-03

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Abstract

This utility model relates to the field of foam elimination technology for developing machines, and provides an automatic defoamer solution addition device for developing machines, including: a defoamer solution tank, a stirring motor, a stirring shaft, stirring blades, a solution addition pump, a timing controller, a developing tank, and an inlet detection sensor; the bottom of the solution tank is provided with a discharge port, which is connected to the inlet of the solution addition pump through a first pipe, and the outlet of the solution addition pump is connected to the top of the developing tank through a second pipe; the inlet detection sensor is installed at the feed inlet of the circuit board of the developing tank, and is electrically connected to the timing controller, which is electrically connected to the solution addition pump. Advantages: It replaces manual stirring of the defoamer solution, resulting in a uniformly concentrated defoamer solution; it automatically adds the defoamer solution to the developing tank, and controls the amount of defoamer solution added by controlling the start time of the solution addition pump, reducing manual labor intensity and improving the foam elimination effect in the developing tank.
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