Blending device of blood cell analyzer

Abstract

The invention discloses a blending device of a blood cell analyzer, mainly comprises a blending mechanism and a lifting mechanism, wherein the blending mechanism comprises a vertical blending mechanism, the vertical blending mechanism comprises a vertical blending motor, a linear guide rail and a slide block which are arranged on a blending motor support, and a blending mandril is fixedly arranged at the top of the slide block; the output shaft of the vertical blending motor is coaxially fixedly connected with an eccentric wheel, and the eccentric wheel is connected with the guide rail and the slide block by virtue of a connecting rod; the lifting mechanism comprises a lifting base plate provided with a lifting motor and guide rods, and the top of each guide rod is connected with a lifting plate; the output shaft of the lifting motor is coaxially fixedly connected with a lifting screw rod, and the other end of the lifting screw rod and a lifting screw rod nut fixed on the lifting plate are in screw thread fit; and the blending motor support is fixed on the lifting plate. By applying the device provided by the invention, a test tube can realize variable speed reciprocating motion in the vertical direction, thus blood samples in the test tube can be blended more conveniently; and the location of the blending mandril in the vertical direction can be controlled, and the degree of automation is higher.

Description

technical field [0001] The invention relates to a blood cell analyzer, in particular to a mixing device for the blood cell analyzer. Background technique [0002] On the three-classification and five-classification blood cell analyzers, the blood samples placed in the test tubes placed in the test tube rack must be fully and reasonably mixed before sampling to ensure the correctness and stability of the test results. At present, the main methods for mixing samples in test tubes are manual mixing and mechanical mixing. Due to the faster detection speed of samples at the present stage, the increase in the amount of sample detection and the increasing automation of automatic sampling, manual mixing has the defects of heavy workload, high work cost and the risk of contamination. Mechanical mixing generally uses a test tube clamping device to clamp the test tube, and through a specific mechanism to achieve the horizontal movement, vertical movement, swing and rotation of the tes...

AI Technical Summary

Problems solved by technology

The structure of this utility model is relatively simple, and the purpose of mixing is achieved by driving the test tube for eccentric rotation, but the eccentric wheel in direct contact with the test tube in the device cannot move in the vertical direction, so it is necessary to artificially connect the test tube cover with the raised part of the eccentric wheel The mixing motor can only be started after fitting, and then let the mixing motor drive the test tube to rotate eccentrically, the degree of automation is not high enough

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