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Novel electric moving and fixing device

An electric and new type of technology, applied in the field of new electric solidifiers, can solve problems such as poor accuracy, and achieve the effects of high reliability, simple sampling process and high weighing accuracy

Pending Publication Date: 2021-04-20
HENAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to overcome the defect of poor accuracy caused by the friction of the interface contact in the prior art solid transfer instrument, and provide a new type of electric solid transfer device

Method used

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  • Novel electric moving and fixing device
  • Novel electric moving and fixing device
  • Novel electric moving and fixing device

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Experimental program
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Effect test

Embodiment

[0030] Such as Figure 1-7 As shown, a new type of electric solid transfer device, including a magnetic drive system, a shock-absorbing weighing system, an operating system, a support frame and a sampling mechanism;

[0031] Described magnetic driving system comprises driving motor 7, power transmission shaft 11, magnetic force transmission head 14, magnetic force driven head 15 and sprocket transmission system to form; The end of the shaft 11 is provided with a magnetic drive head 14, and a magnetic driven head 15 is provided below the magnetic drive head 14, and the magnetic driven head 15 is connected with the sprocket transmission system; two sets of magnetic drive systems are arranged side by side inside the housing;

[0032] The magnetization directions of the magnetic drive head 14 and the magnetic driven head 15 are opposite, and the drive is driven by the mutual attraction of the magnetic force, which can be directly driven without contact, and the interface contact f...

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Abstract

The invention discloses a novel electric moving and fixing device which comprises a sampling mechanism, a shell, a magnetic driving system, a damping and weighing system and an operating system. A motor of the magnetic driving system is adjusted to rotate through a motor control button, a magnetic transmission head is driven to rotate, a magnetic driven head is driven to rotate in a non-contact mode through magnetic force, and then a rotary sampling mechanism is driven to rotate through a sprocket transmission system so as to screw in to input or screw out to release a solid sample; control is carried out through magnetic interaction, the interface contact friction is almost zero, the influence on the damping and weighing system is very small, and the weighing accuracy is very high; two parallel sprocket transmission systems are adopted for sampling to respectively drive the sampling mechanism to rotate in different directions to realize sampling, so that a novel, efficient and accurate solid sampling method is provided; and according to the novel electric solid moving device, solid samples can be moved, weighed and dosed, the equipment operation sampling process is simple, accurate and rapid, and the reliability is very high.

Description

technical field [0001] The invention relates to a novel electric solid transfer device, which belongs to the technical field of solid sample sampling. Background technique [0002] Biological, physical, chemical and other laboratories often need to pipette, weigh and distribute solid samples. However, solid samples cannot be sucked into the liquid by atmospheric pressure like liquid samples, and then the piston pushes the air to expel the liquid, so it is difficult to pipette accurately. The traditional solid weighing method is to take the solid sample out of the reagent bottle through a medicine spoon, etc., and then weigh it with the help of a balance, electronic scale, etc. During the use of these instruments, not only the operation is complicated, but also the contact area with the air is large and the time is long when exposed to the air, which leads to inaccurate weighing of volatile and hygroscopic samples. At the same time, the stability of the traditional analytic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/04G01G19/52G01G23/06
Inventor 孙杨吴文凯刘宇鹏李华王雨马兵达
Owner HENAN UNIVERSITY
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