Powder trace sample adding device

A technology of micro-sampling and powder, which is applied in the direction of measuring devices, weighing, loading/unloading, etc., can solve the problems of high cost while ensuring the feeding accuracy, and the feeding device cannot guarantee the feeding speed and feeding accuracy at the same time.

Active Publication Date: 2022-02-01
北京华胜信安电子科技发展有限公司
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Problems solved by technology

[0004] The purpose of the present invention is to provide a powder micro-sampling device to solve the technical problem that the feeding device i...

Method used

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Embodiment Construction

[0026] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other implementations obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

[0027] The purpose of this specific embodiment is to provide a powder micro-sampling device, which solves the problem that the feeding device in the prior art cannot simultaneously guarantee the feeding speed and feeding accuracy, and the feeding accuracy is too high.

[0028] Hereinafter, an embodiment will be described with reference to the drawings. In addition, the examples shown below do not limit the content of the invention described in the claims in any...

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Abstract

The invention discloses a powder trace sample adding device, and relates to the technical field of material conveying. The device comprises a supporting structure, a vibration structure and a double-screw conveying structure, the supporting structure is provided with rollers, the vibration structure comprises a motor arranged on a vibration plate, a vibration shaft, a vibration disc and the vibration plate which is movably arranged on the supporting structure, the vibration plate is rotatably connected with the vibration shaft, a plurality of grooves are uniformly distributed in the periphery of the vibration disc, and the rollers are matched with the grooves; the double-screw conveying structure comprises a stock bin arranged on the vibration plate and two screw rods in transmission connection with the motor, the two screw rods are both located in the stock bin and are both arranged in the direction from the feeding port to the discharging port, the peripheries of the two screw rods are both provided with screw blades, each of the two screw blade comprises a plurality of connected screw parts, and the screw part of one screw blade extends into the space between the two adjacent screw parts of the other screw blade. Through the arrangement, the feeding speed and the feeding precision are guaranteed at the same time, and the cost is low.

Description

technical field [0001] The invention relates to the technical field of material conveying, and more specifically relates to a powder micro-sampling device. Background technique [0002] In the field of material transportation, feeding through a double screw feeder can only guarantee the speed of feeding but cannot guarantee the accuracy of feeding. At present, most of the micro-feeding of powder is by manual weighing, which consumes more energy and time. In the prior art, a company of Mettler in Switzerland produces a powder sampler, including a sampler head, which can meet the requirements of feeding accuracy through the sampler head, but the product price of this device is expensive, and a piece of equipment It is about one million yuan, and the sampling head is a consumable with a service life of one month. The sampling head needs to be replaced regularly. The price of one replacement is about 5,000 yuan, so the price of using this powder sampler is high. [0003] There...

Claims

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Application Information

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IPC IPC(8): B65G65/46B65G69/14G01G23/00G01G17/00
CPCB65G65/46B65G69/14G01G23/00G01G17/00
Inventor 张南设杜军钊任洪敏李吉刚杨文巍陈宏涛
Owner 北京华胜信安电子科技发展有限公司
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