Negative pressure equal liquid level height control liquid filling device

Abstract

A liquid level control liquid filling device under negative pressure, including a bottle body, a bottle mouth sealing gland, a negative pressure filling head, a suction valve, a negative pressure chamber, a vacuum pump, an upper liquid discharge valve, a transitional liquid storage tank, The lower discharge valve and the material liquid tank, the negative pressure filling head is tightly fitted on the bottle mouth sealing gland, the lower end surface of the bottle mouth sealing gland is sealed and pressed with the bottle mouth, and the lower end surface of the negative pressure filling head extends In the bottle, the negative pressure channel of the negative pressure filling head communicates with the inner cavity of the negative pressure chamber, the liquid inlet channel of the negative pressure filling head communicates with the material liquid tank, and the negative pressure chamber passes through the upper discharge valve and the transitional liquid storage in turn. The tank and the lower drain valve communicate with the feed tank. It adopts the principle of negative pressure liquid suction, which can not only inject liquid into the bottle, but also suck the excess liquid back into the material liquid tank, and can realize equal height liquid level filling of various bottles, solving the problem of At present, ordinary liquid filling machines cannot fill the bottle body at equal heights. It meets the filling requirements of equal liquid level for special commodities such as canned fruit.

Description

technical field [0001] The invention relates to the field of liquid filling, in particular to a liquid filling device capable of achieving equal liquid levels for bottles. Background technique [0002] With the improvement of people's living standards, the demand for bottled condiments and canned fruits continues to increase. In the production process of these products, how to realize the contour of the liquid level in the bottle is an important reason that affects the sales of products. People are shopping At the same time, if the liquid level of the same bottled product is different, people usually choose the one with high liquid level, and people generally don’t choose the one with low liquid level. The quality cannot be guaranteed, which directly affects people's purchase rate. Due to bottle packaging products, especially canned fruit products, it is very difficult to fill the liquid level to the same height, because the volume of the inner cavity of the bottle is poor,...

AI Technical Summary

Problems solved by technology

[0002] With the improvement of people's living standards, the demand for bottled condiments and canned fruits continues to increase. In the production process of these products, how to realize the contour of the liquid level in the bottle is an important reason that affects the sales of products. People are shopping At the same time, if the liquid level of the same bottled product is different, people usually choose the one with high liquid level, and people generally don’t choose the one with low liquid level. The quality cannot be guaranteed, which directly affects people's purchase rate

Due to bottle packaging products, especially canned fruit products, it is very difficult to fill the liquid level to the same height, because the volume of the inner cavity of the bottle is poor, and there are errors in the size and height of the bottle. When filling the liquid, there are lumps of pulp with different volumes in the bottle, and the current liquid filling usually adopts the constant volume method or the flow method, and these conventional liquid filling methods cannot achieve equal liquid levels in different bottles. filling

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