Pipette auxiliary operation device for step-by-step dilution

A step-by-step dilution and auxiliary operation technology, applied in the field of automation, to achieve the effect of light weight, splash prevention and easy movement

Pending Publication Date: 2021-06-04
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Domestic research and development of such equipment is still in a relatively blank stage

Method used

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  • Pipette auxiliary operation device for step-by-step dilution
  • Pipette auxiliary operation device for step-by-step dilution
  • Pipette auxiliary operation device for step-by-step dilution

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Experimental program
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Embodiment Construction

[0058] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0059] refer to Figure 1 to Figure 3 As shown, a pipette auxiliary operation device for stepwise dilution of the present invention includes a base 1, a motion transmission device, a solution tray fixing device 11, a pipette holding device, a pressing device 18 and a controller 6 .

[0060] The motion transmission device is a two-axis transmission device, including a Y-axis linear motion assembly in the horizontal direction and a Z-axis linear motion assembly in the vertical direction.

[0061] Such as figure 1 As shown, the Y-axis linear motion assembly includes a Y-axis linear motion base 29, a Y-axis stepper motor 2, a Y-axis coupling 3, a Y-axis ball screw 4 and a Y-axis slider 5; the Z-axis linear motion The motion assembly includes a Z-axis linear motion base 30 , a Z-axis slider 7 , a Z-axis ball screw 8 , a Z-axis coupling 9 and a Z-axis step...

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PUM

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Abstract

The invention relates to a pipette auxiliary operation device for step-by-step dilution. The pipette auxiliary operation device comprises a base, a movement conveying device, a solution disc fixing device, a pipette clamping device and a pressing device; the movement conveying device is a two-axial conveying device and comprises a Y-axis linear motion assembly in the horizontal direction and a Z-axis linear motion assembly in the vertical direction; the solution disc fixing device is horizontally and fixedly connected to the front end face of the Z-axis sliding block through a connecting support and used for supporting and fixing a solution disc; the pipette clamping device is fixedly connected to the base, is positioned in front of the movement conveying device and is used for clamping the pipette above the solution disc; and the pressing device is fixedly connected to the upper part of a clamping back plate and is used for controllably pressing a button of the pipette. The device is simple in structure, can effectively realize automatic control on the pipette and the solution disc, and can automatically dilute sample liquid step by step, so that the purpose of replacing manual operation is achieved.

Description

technical field [0001] The invention belongs to the technical field of automation, in particular to an auxiliary operation device for a pipette gun used for stepwise dilution. Background technique [0002] A pipette is an instrument for quantitatively transferring liquids, which is mainly used in clinical diagnostic laboratories, biotechnology laboratories, pharmaceutical and chemical laboratories, environmental laboratories, food laboratories, etc. At present, most institutions still use the traditional manual operation of pipettes to gradually dilute the concentration of the test product. This operation method requires relatively high operating specifications for technicians, and the operation accuracy is unstable and takes a long time. The operation is also relatively damaging to the finger muscles, and staff who perform this operation for a long time often have irreversible joint damage. There are also commercialized large pipetting workstations on the market to replace...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01L3/02G01N1/38
CPCB01L3/0227B01L3/0237G01N1/38
Inventor 周敏季坤文瀚贤欧如阳王红英单蕾
Owner CHINA AGRI UNIV
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