Device for filling inhomogeneous products
a technology of inhomogeneous products and filling devices, which is applied in the direction of liquid bottling, packaging goods, special packaging, etc., can solve the problems of compromising the correct filling strategy, affecting the accuracy of filling, and altering the sealing pressure, so as to achieve accurate and efficient filling
Inactive Publication Date: 2018-01-25
WEIGHTPACK
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- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Benefits of technology
The present invention provides a filling device that overcomes the issues of previous designs, allowing for accurate and efficient filling.
Problems solved by technology
The use of weight filling systems with inhomogeneous products or products which have solid or semisolid elements of variable size and compactness in suspension is rather problematic.
Inhomogeneous products, in addition to needing to be constantly mixed to avoid the layering of the solid parts due to the difference of density, have the problem that some pieces tend to aggregate near the outlet of the valves, compromising the correct filling strategy.
However, a drawback relative to the use of this valve has been found, because it is subject to thermal deformation, which results in an altered sealing pressure (either higher or lower depending on the case) and thus also to a different friction between the surfaces of the shutter and that of its housing.
This constitutes a problem because the constant delivery is altered in a manner which is difficult to predict.
Method used
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Embodiment Construction
[0017]With reference to the figures, the filling device of the invention, indicated by reference numeral 1, comprises a hollow body 2, in which a delivery member (not shown) is inserted, e.g. an auger member, as described for example in Italian patent application N. 102015000069398 dated 5 Nov. 2015. The hollow body 2 is connected to a tank containing the product to be delivered, which will be typically introduced into the upper portion of the hollow body 2.
[0018]The filling device 1 is inserted in a filling machine (not shown) of linear or rotary type, in which a plurality of filling devices operate in sequence. Each filling device 1 is operatively connected to a single drive, such as for example either a synchronous or an asynchronous motor, by means of appropriate motion transmission systems, or may be operated by its own motor, e.g. a stepper motor or a brushless motor.
[0019]In a weight filling machine, the container is supported by a plate operatively arranged on a loading cell...
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Abstract
A filling device for inhomogeneous products or products which have solid or semisolid elements of variable size and compactness in suspensions. In particular, the a filling device for filling machines is provided comprising a hollow body in which a delivery member is movably inserted, wherein the hollow body comprises a lower portion comprising a delivery duct which ends with a delivery opening, said lower portion being intercepted by a cone-shaped rotating shutter, comprising a major base, a minor base and a through hole which is aligned with the delivery duct when the filling device delivers a product, characterized in that the minor base of the rotating shutter is associated with a drawing system, which applies a constant and predetermined drawing force on said minor base. The valve described in the invention can be used in net weight filling machines.
Description
CROSS-REFERENCE TO RELATED APPLICATION[0001]This application claims priority to Italian Patent Application No. 102016000075547 filed on Jul. 19, 2016, the disclosures of which are hereby incorporated by reference in their entirety.FIELD OF THE INVENTION[0002]The present invention relates to a filling device for inhomogeneous products or products which have solid or semisolid elements of variable size and compactness in suspension. The valve of the invention can be used in net weight filling machines.STATE OF THE ART[0003]The use of weight filling systems with inhomogeneous products or products which have solid or semisolid elements of variable size and compactness in suspension is rather problematic.[0004]The known weight filling methods are all characterized by filling valves connected either to a tank or to a manifold and the opening / closing dynamic of the valve depends on the weight measuring strategy of the delivered product. The release of the product from the valves is promote...
Claims
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Login to View More IPC IPC(8): B65B3/14B65B3/28
CPCB65B3/28B65B3/14B65B39/003B67C3/28F16K5/162
Inventor ZACCHE', VANNI
Owner WEIGHTPACK