High-precision loss-in-weight feeder
By combining a buffer assembly to isolate vibration, a gradually increasing pitch helical blade, and a PLC controller, the problems of weighing accuracy and uneven material conveying in loss-in-weight feeders are solved, achieving high-precision feeding rate control.
CN224547498UActive Publication Date: 2026-07-24WUXI YUNKE MACHINERY
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUXI YUNKE MACHINERY
- Filing Date
- 2025-08-25
- Publication Date
- 2026-07-24
AI Technical Summary
Technical Problem
The weighing accuracy of existing loss-in-weight feeders is easily affected by interference and the material conveying is uneven, resulting in inaccurate measurement.
Method used
The system employs a buffer assembly to isolate external vibrations, combined with a gradually pitched helical blade design and a high-precision load cell, along with a PLC controller to achieve closed-loop feedback control, thereby enhancing weighing accuracy and material conveying stability.
Benefits of technology
It improves weighing accuracy, ensures the stability and continuity of material conveying, and achieves high-precision feeding rate control.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224547498U_ABST
Abstract
The utility model relates to material conveying and metering equipment field, concretely relates to a high accuracy weight loss formula feeding machine, including hopper for storing the material of waiting to feed material, the bottom of hopper is equipped with the discharge pipe, the top of hopper is equipped with the feed inlet, spiral conveying subassembly sets up below the discharge pipe, including rotatable screw shaft and be used for driving the drive motor of the rotation of screw shaft, drive motor fixed connection is in the shell of hopper, the end of screw shaft is connected with the output shaft of drive motor through universal coupling, the periphery of screw shaft is equipped with spiral blade, for continuously, rationally conveying material from discharge pipe to downstream equipment. Through being provided with buffer assembly, elastic rubber pad is used for absorbing the environmental vibration in low frequency to medium frequency range, still be equipped with the limiting guide column of through rubber pad to limit excessive displacement in the horizontal direction of hopper, thereby reduce the influence of external vibration to the weighing sensor.
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