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Automatic stepped pin of sample adding arm

A sample loading arm, automatic technology, applied in the direction of analysis of materials, instruments, etc., can solve the problems of time-consuming, labor-intensive, affecting work efficiency, heavy workload, etc., to achieve the effect of improving work efficiency, increasing torque, and positioning accuracy

Active Publication Date: 2017-05-31
烟台元秦科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the disassembly and assembly of the sampling needle is operated by the operator, which has a large workload, time-consuming and laborious, and affects work efficiency.

Method used

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  • Automatic stepped pin of sample adding arm
  • Automatic stepped pin of sample adding arm

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] The present invention will be further described below in conjunction with accompanying drawing:

[0018] Such as figure 1 As shown, an automatic needle holder of a sample loading arm includes a support base plate 1, a needle holder 2 is fixedly arranged on the support base plate 1, a steel needle 3 is fixedly installed on the needle holder 2, and a needle removal sleeve is set on the outside of the steel needle 3 Cylinder 4, the end of the steel needle 3 passes through the needle removal sleeve 4 and is equipped with a suction head 5, a lever 6 is installed on the support base 1, and the lever 6 is rotated and installed on the support base 1 through the positioning shaft 7, and one end of the lever 6 Clamped on the needle removal sleeve 4, the other end of the lever 6 is connected with a needle support motor 8 that drives the lever 6 to rotate around the positioning shaft 7, the needle support motor 8 is arranged on the support base 1, and the outside of the needle body...

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PUM

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Abstract

The invention discloses an automatic stepped pin of a sample adding arm. The automatic stepped pin comprises a support bottom plate, wherein the support bottom plate is fixedly provided with a pin fixing seat; a steel pin is fixedly arranged on the pin fixing seat; a pin removing sleeve sleeves the outside of the steel pin; the tail end of the steel pin penetrates out of the pin removing sleeve and is provided with a suction head; a lever is arranged on the support bottom plate; the lever is rotationally arranged on the support bottom plate through a positioning shaft; one end of the lever is clamped on the pin removing sleeve and the other end of the lever is connected with a stepped pin motor for driving the lever to rotate around the positioning shaft; the stepped pin motor is arranged on the support bottom plate; a spring sleeves the outside of a pin body; one end of the spring is connected with the pin fixing seat and the other end of the spring is connected with the pin removing sleeve. The automatic stepped pin has the beneficial effects that the pin can be automatically removed, the zero position can be automatically restored, positioning is accurate, and the working efficiency and accuracy of equipment are improved.

Description

technical field [0001] The invention relates to the technical field of accessories for chemiluminescence immunoassay analyzers, in particular to an automatic needle holder for a sample loading arm. Background technique [0002] The sampling arm is one of the main parts of the analyzer, which is used to drive the sampling needle to complete the reagent addition process. The sampling needle located on the outer edge of the sampling arm is responsible for penetrating into the container to perform the sample addition action. At present, the disassembly and assembly of the sampling needle is performed by the operator, which has a large workload, is time-consuming and laborious, and affects work efficiency. Contents of the invention [0003] The object of the present invention is to overcome the disadvantages of the prior art, and provide an automatic needle-holding arm of a sample loading arm that can realize automatic needle-off operation and automatic reset to zero position. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N35/10
CPCG01N35/10
Inventor 李娜
Owner 烟台元秦科技发展有限公司