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Device and method used for proportioning powder product

A dosing device, powder technology, applied in the field of dosing powder products, can solve the problems of inaccuracy and trouble, and achieve the effect of accurate filling, low cost and simple structure

Inactive Publication Date: 2012-12-26
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this device is relatively expensive and has a certain inaccuracy

Method used

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  • Device and method used for proportioning powder product

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Embodiment Construction

[0015] figure 1 A schematic sectional view of a device 1 for dosing a powdered product 2 is shown. The powdered product 2 is stored in a hopper 3, wherein the hopper 3 is arranged above a dosing device 4, which is configured as a worm-type dosing device. The dosing device 4 here comprises a conveying worm 5 which is arranged in a tubular housing 6 . The conveying worm 5 is driven here by means of a drive 7 .

[0016] The device 1 also comprises a first sensor 11, a second sensor 12 and a third sensor 13, which are configured as microwave sensors. The microwave sensor here emits microwaves and again detects the reflected microwaves. The three sensors 11 , 12 , 13 are connected here to the control unit 8 , which controls the drive 7 .

[0017] like figure 1 The first sensor 11 is shown here at the transition region between the hopper 3 and the dosing device 4 . The second sensor 12 is arranged on the end of the dosing device 4 and the third sensor 13 is arranged between th...

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Abstract

The invention relates to a device used for proportioning a powder product (2) comprising a proportioning device (4), a control unit (8) used for controlling the proportioning device (4), and at least a sensor (11,12,13) used for detecting the electromagnetic wave, and determining the intensity of the powder product (2). The sensors are connected with the control unit (8), which can be used to control the proportioning device (4) based on the intensity of the powder product detected by the sensors (11,12,13).

Description

technical field [0001] The present invention relates to a device and a method for dosing powdered products, especially food products. Background technique [0002] An important objective when dosing loose, powdered products is to do the desired weight of the product to be dosed as precisely as possible. Especially in the case of food, underfilling of packaging must be absolutely avoided due to legal regulations. For this reason, a small overweight is usually adjusted during dosing in order to safely avoid underfilling. However, overfilling means unnecessary losses for packaging companies. A dosing device for powdered products is known from DE 197 43 057 A1, in which a flexible dosing tube connection and a deformation sensor are used which detect the expansion of the dosing tube connection. The control unit then controls the total rotation angle of the dosing worm based on the detected expansion in order to determine the amount of filling. However, this device is relative...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65B1/44
CPCG05D7/06G05D7/0605B65B37/10B65B1/30B65B1/44B65B1/12
Inventor J·哈克P·里塞
Owner ROBERT BOSCH GMBH