Reaction cup grabbing and placing device for immunity analyzer

Abstract

The invention discloses a reaction cup grabbing and placing device for an immunity analyzer, and belongs to the field of in-vitro diagnosis medical instruments. A reaction cup grabbing and placing device for an immunity analyzer comprises a fixing box, the output end of a motor penetrates through the outer wall of the fixing box, extends into the fixing box and is sleeved with a cam, the left end of an output shaft of the motor is sleeved with a notch disc, and a limiting inclined rod is arranged at the front end of the left side of a rocker arm; a plurality of arc-shaped grooves are annularly formed in the outer wall of the bottom surface of the arc-shaped block at equal intervals, a plurality of square grooves are annularly formed in the outer wall of the bottom surface of the arc-shaped block at equal intervals, an ejector rod is rotationally connected into a groove in the lower side of the front end of an adjusting rod through a pin shaft, and the structures are tightly matched, so that the device can continuously clamp a reaction cup and move in a reversing manner; the clamping efficiency is improved, the arc-shaped grabbing and releasing rod can grab and release the reaction cup stably and quickly, it is ensured that an instrument operates reliably and quickly, manpower and material resources are effectively saved, and cross contamination is avoided.

Description

technical field [0001] The invention relates to the field of in vitro diagnostic medical devices, more specifically, to a cuvette pick-and-place device for an immune analyzer. Background technique [0002] The immunoanalyzer (hereinafter referred to as "instrument") usually needs to use a special disposable reaction cup (hereinafter referred to as "reaction cup") when testing samples. In automated instruments, cuvettes are usually supplied in batches and are picked, transferred, and placed by specialized mechanisms. The cuvettes used in the instrument are generally specially designed. The capacity of the cuvette is between a few hundred microliters and several milliliters, and the external dimensions are small. The cuvette usually has a certain special structure to ensure stable and reliable placement in the instrument, and is convenient for the mechanism to pick and place. Grasping and placing cuvettes smoothly and quickly is the key element to ensure reliable and fast o...

AI Technical Summary

Problems solved by technology

Although the device has many beneficial effects, the following problems still exist: the device is provided with a clamping block, which not only cannot be connected and clamped, resulting in low clamping efficiency, but also the device only realizes the movement through the Z-axis up and down to pass the external force. Open the top to grab the cuvette, and cannot automatically open and close for placement

The size and shape of the clamping area and the size of the cam can be set according to the size and shape of the clamped part of the cuvette to be grasped, and the grasping can be carried out accurately, quickly and sensitively, but this design needs to provide multiple driving mechanisms, so that High cost and low reliability of the whole device

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