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Air-floating type automatic checkweigher

An automatic detection, air-floating technology, applied in continuous material flow weighing equipment, weighing equipment using fluid balance, measuring devices, etc., can solve self-vibration and electromagnetic radiation interference, increase the difficulty and cost of conveyor belt manufacturing , affecting the checkweighing accuracy of the automatic checkweigher, etc., to achieve the effect of improving the checkweighing accuracy and the structure is simple and compact

Inactive Publication Date: 2013-10-30
CHINA JILIANG UNIV
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  • Claims
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AI Technical Summary

Problems solved by technology

Since the conveyor belt set above the weighing platform will produce certain vibration and electromagnetic radiation interference when it is working, this will directly affect the checking accuracy of the automatic check weighing scale
Therefore, this solution has high requirements for the processing and assembly precision of the conveyor belt and its power roller and other components. At the same time, it also has strict requirements for the self-vibration and electromagnetic radiation interference of the drive motor during work, which further increases the Manufacturing Difficulty and Cost of Conveyor Belts

Method used

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  • Air-floating type automatic checkweigher

Examples

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the embodiment in the accompanying drawings:

[0014] Packaging box W is an example of a commonly used square drug packaging box with a flat bottom. Its overall dimensions (length×width×height) are generally less than 140mm×100mm×40mm, and its weight is generally less than 300 grams. In order to facilitate the dynamic weighing of the packaging box W, in this embodiment, the overall dimensions (length×width×height) of the air-floating platform 5 are set to 280mm×120mm×60mm. The air flotation platform 5 is placed between the front conveyor belt K and the rear conveyor belt P, and the air flotation platform 5 is installed above the weighing platform 1. The upper part of the air flotation platform 5 is evenly distributed with 1265 airflow nozzles 7 with a diameter of 1 mm and a mutual distance of 5 mm. , the purpose is to make the compressed air spray upward through the air flow nozzle 7, thereby form...

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Abstract

The invention relates to an air-floating type automatic checkweigher, and relates to an automatic check weighing technology used for a boxed product, and the air-floating type automatic checkweigher is designed for solving the problems of large vibration noise and low check weighing accuracy existing in the prior art. The air-floating type automatic checkweigher is realized by utilizing an air floating transferring cushion which is uniform, stable and has no electro-magnetic radiation interference, as well as a high-precision pressure-sensitive sensing element and a signal processor as technical assurance. The air-floating type automatic checkweigher is suitable for automatically detecting the weight value of the boxed product within a size range and a certain weight range, such as the weight of a boxed medicine, and can be used for quickly judging whether the weight is qualified or not.

Description

technical field [0001] The invention relates to a technology for automatically checking the weight of boxed products. Background technique [0002] At present, automatic checkweighers are being used more and more in various industrial production fields, especially in automatic pharmaceutical packaging production lines, which can be used for real-time weight inspection and sorting of packaged products during the transportation process, so as to realize online QC. The usual automatic checkweigher needs to install a conveyor belt on the weighing platform. The power of the conveyor belt is provided by the motor, and the online weight inspection and sorting function of the product is realized by real-time detection of the weight of the packaged product passing above the conveyor belt. [0003] CN2444216Y discloses an automatic check weighing scale realized by using the above principles. Since the conveyor belt arranged above the weighing platform will generate certain vibration...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01G11/06G01G5/04
Inventor 王栋张新娜
Owner CHINA JILIANG UNIV
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