Automatic powder weighing machine

Abstract

The invention relates to an automatic powder weighing machine. The automatic powder weighing machine comprises a stander, a material storing bucket, a material conveying mechanism and a weighing assembly, wherein the material storing bucket, the material conveying mechanism and the weighing assembly are sequentially arranged on the stander from top to bottom. The automatic powder weighing machineis characterized in that the weighing assembly comprises a material weighing cup and a weighing sensor, wherein the weighing sensor is arranged at the bottom of the material weighing cup and is used for weighing powder in the material weighing cup. According to the automatic powder weighing machine, the weighing sensor is arranged at the bottom of the material weighing cup and only bears the sum of the weight of the material weighing cup and the set weight of the powder quantitatively output each time, and only a small-range weighing sensor is selected, so that the weighing precision is improved; the weighing sensor and the feeding mechanism are separated, so that the influence caused by the vibration of the motor to the weighing sensor during the rotation of the motor is avoided, and theweighing precision is improved; and the range of the weighing sensor is not limited, more powder can be added into the material storing bucket at one time, and the powder does not need to be frequently added, so that the operation is convenient, and the automation degree is high.

Description

technical field [0001] The invention relates to a weighing device, in particular to an automatic powder weighing machine. Background technique [0002] At present, many mechanical parts and some daily necessities often use powder or granular materials as primary raw materials, which are further processed and shaped. In the production process, the primary raw materials often need to be quantitatively weighed and packaged first. For example, powder compression molding is the production method of many mechanical parts and daily necessities. First, the powder should be weighed and then transported into the mold. [0003] In view of the defects of high labor intensity and low precision of manual weighing, more and more mechanical weighing equipment with high precision and high degree of automation are used. The powder feeding machine is an indispensable auxiliary equipment for thermal spraying, cold spraying, food, medicine, chemical industry and other industries. The accuracy o...

AI Technical Summary

Problems solved by technology

[0005] The defects of the above-mentioned powder feeder are: 1. The weighing sensor weighs the hopper and the motor reducer together, so it is necessary to select a weighing sensor with a large range, and calculate the output of each time by reducing the difference of the powder each time. The amount of powder, the weighing accuracy is low; 2. Due to the limitation of the measuring range of the load cell, the powder added to the barrel is limited each time, and frequent manual powder addition is required; 3. The rotation of the motor during the weighing process will affect the accuracy of the load cell Influence, and then affect the accuracy of powder output

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