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Device and method for processing and measuring properties of a moving rod of material

A material strip and movement technology, which is applied in the direction of measuring devices, using microwaves to test moisture content, using microwave means to analyze materials, etc., can solve problems such as position dependence, and achieve the effect of avoiding nonlinearity

Inactive Publication Date: 2012-07-04
HAUNI MASCHINENBAU AG
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

This causes a position dependence of the measurement accuracy

Method used

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  • Device and method for processing and measuring properties of a moving rod of material
  • Device and method for processing and measuring properties of a moving rod of material
  • Device and method for processing and measuring properties of a moving rod of material

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Embodiment Construction

[0050] exist figure 1 The principle structure of the applicant's cigarette rod making machine of the "PROTOS" type is explained in . The predistributor 2 is fed loose tobacco from the gate 1 in portions. The unloading roller 3 of the pre-distributor 2 replenishes tobacco to the storage container 4 under controlled conditions, and a steeply inclined conveyor 5 configured as an endless conveyor belt takes tobacco from the storage container 4 and supplies it to the storage container 4. Stacking shaft 6. Pin rollers (Stiftwalze) 7 take out the same tobacco flow from the stacking shaft 6, which is driven out of the pins of the pin roller 7 by a discharge roller 8 and thrown to the and Spray spreader 9 that rotates at a constant speed.

[0051] The tobacco web formed on said spreader 9 is thrown into a screening device 11 which creates an air curtain through which the larger or heavier tobacco fractions pass, while all other tobacco The particles are guided by the air flow of th...

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Abstract

Device and method for processing and measuring properties of a moving rod of tobacco processing industry. Device includes a microwave measurement device in which endless rod is conveyable through microwave resonator from input side to output side. Microwave generator is included to generate a measurement signal having output frequency f0 and to supply measurement signal to input side of microwave resonator. At least one analysis arrangement includes a mixer, a low-pass filter, and an analog-to-digital converter in series, and local oscillator to generate a signal with local frequency fLO. Mixer is connected to port of microwave resonator and to output of local oscillator to generate difference signal of frequency fIM, which is less than f0 and corresponds to a difference of frequencies f0 and fLO. Low-pass filter is structured to pass output signal of mixer with intermediate frequency fIM, and filter higher frequency signal portions.

Description

technical field [0001] The invention relates to a device for processing and measuring properties of a moving strip of material in the tobacco processing industry, comprising a microwave measuring mechanism with a microwave resonator through which the material is conveyed or can be conveyed strip, wherein the microwave resonator is loaded on the input side or can be loaded by the microwave generator with the output frequency f 0 The resulting measurement signal. Furthermore, the invention relates to a corresponding microwave measuring device and a method for processing and measuring properties of material strips for the tobacco processing industry. [0002] The invention relates in particular to the field of rod formation and rod processing in the tobacco processing industry, ie to the manufacture of cigarette rods and filter rods in rod machines. For example, cigarette rods are manufactured here by first shaking the tobacco onto a rod conveyor, wrapping the tobacco rod with ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N22/00A24C5/00
CPCG01N22/04B65B19/30
Inventor D.施勒德
Owner HAUNI MASCHINENBAU AG
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