CN221536974U - Rotary centrifugal sample processing device - Google Patents

Abstract

The utility model discloses a rotary centrifugal sample processing device which comprises a centrifugal unit, a rotary liquid adding unit and a consumable waste unit, wherein the rotary liquid adding unit comprises a disc and a liquid adding pump, a plurality of liquid adding arms are radially arranged on the disc, the disc is driven by a driving mechanism to realize rotation and lifting movement, each liquid adding arm is respectively connected with the liquid adding pump through a gas circuit, the centrifugal unit comprises a cylindrical centrifugal bin, a vertical motor is fixedly arranged in the middle of the centrifugal bin, a spoke-type turntable and a centrifuge tube are fixedly arranged on an upward output shaft of the motor, an even number of tube seats are hinged to the outer side of the turntable through a rotating shaft and are used for bearing and inserting the centrifuge tube, a reaction reagent container is arranged in the centrifugal bin, the consumable waste unit comprises an arc-shaped placing rack, and the placing rack is inserted with a vertical liquid transferring suction head. The functions of centrifugation, pipetting, liquid adding, sucking, blowing, scattering and the like are integrated, the full automation of repeated centrifugation is realized, and the problem of complicated manual operation steps of repeated centrifugation is solved.

Description

Rotary centrifugal sample processing device

Technical Field

The utility model relates to the technical field of biochemical experimental equipment, in particular to a rotary centrifugal sample processing device.

Background

In biochemical and medical laboratories, centrifugation is often used to separate solid phase from liquid phase materials in a reaction vessel. Depending on the experimental procedure, a single sample processing method usually comprises multiple or even more centrifugation steps, which greatly increases the manual burden of the experimenter. At present, although an automatic centrifugal machine for experiments is available in the market, the function of the automatic centrifugal machine is limited to providing centrifugal force for reactants in a reaction container by utilizing the rotation of a motor, and experimental operations such as placing a reaction tube, adding samples, removing supernatant, blowing, uniformly mixing and the like before and after the centrifugal process still need to be manually completed by experiment personnel, so that the experimental process is tedious and time-consuming, and the probability of misoperation in the experimental process is increased.

Disclosure of utility model

The present utility model is directed to a rotary centrifugal sample processing device, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a rotation type centrifugation sample processing apparatus, includes centrifugal unit, rotatory liquid feeding unit and consumptive material waste unit, rotatory liquid feeding unit includes disc and liquid feeding pump, a plurality of liquid feeding arms are radially installed to the disc, and the disc is realized rotatory and elevating movement by actuating mechanism drive, every the liquid feeding arm is connected with the liquid feeding pump through the gas circuit respectively, centrifugal unit includes the centrifugal storehouse of tube-shape, the middle part fixed mounting in centrifugal storehouse has the motor that erects, and fixed mounting has spoke formula carousel and centrifuging tube on the output shaft of motor up, even number tube socket is installed through the pivot hinge in the outside of carousel, the tube socket is used for bearing and inserts the centrifuging tube, install reaction reagent container in the centrifugal storehouse, consumptive material waste unit includes curved rack, rack cartridge is vertical to move liquid suction head, rack and disc coaxial line.

Preferably, the consumable waste unit further comprises a liquid waste recovery container and a solid waste recovery container, and the movable range of the liquid adding arm covers the upper port areas of the liquid waste recovery container and the solid waste recovery container.

Preferably, the upper port area of the reagent vessel is lower than the bottom surface of the turntable.

Compared with the prior art, the utility model has the beneficial effects that: the rotary centrifugal sample processing device integrates the functions of centrifugation, pipetting, liquid adding, sucking, blowing, scattering and the like, realizes complete automation of repeated centrifugation, and solves the problem of complicated manual operation steps of repeated centrifugation; the rotary liquid adding unit is used, so that the volume of the system and the complexity of operation are greatly reduced; the disposable pipette tip is used, and the problem of cross contamination between samples is solved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a centrifuge tube of the present utility model on a turntable;

FIG. 3 is a schematic view of a centrifuge tube of the present utility model on a turntable.

In the figure: 1. a centrifugal unit; 11. centrifuging tube; 12. a tube seat; 13. a turntable; 14 a rotating shaft; 15. a motor; 16. a centrifugal bin; 17. a reaction reagent container; 2. a rotary liquid adding unit; 21. a liquid adding pump; 22. a driving mechanism; 23. a liquid adding arm; 24. a disc; 3. a consumable waste unit; 31. a placing rack; 32. pipetting tips; 33. a liquid waste recovery container; 34. a solid waste recovery container.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a rotation type centrifugal sample processing apparatus, includes centrifugal unit 1, rotatory liquid feeding unit 2 and consumptive material discarded object unit 3, and rotatory liquid feeding unit 2 includes disc 24 and liquid feeding pump 21, and a plurality of liquid feeding arms 23 are radially installed to disc 24, and disc 24 is realized rotatory and elevating movement by actuating mechanism 22 drive, and every liquid feeding arm 23 is connected with liquid feeding pump 21 through the gas circuit respectively to control the break-make of gas circuit through the solenoid valve.

The centrifugal unit 1 comprises a cylindrical centrifugal bin 16, a vertical motor 15 is fixedly arranged in the middle of the centrifugal bin 16, a spoke-type rotary table 13 and centrifugal tubes 11 are fixedly arranged on an upward output shaft of the motor 15, an even number of tube seats 12 are hinged to the outer side of the rotary table 13 through rotary shafts 14, the tube seats 12 are used for bearing and inserting the centrifugal tubes 11 (when the rotary table 13 is in a static state in fig. 2, the centrifugal tubes 11 are in a vertical upward state, when the rotary table 13 rotates at a high speed in fig. 3, the centrifugal tubes 11 are in a horizontal state), a reaction reagent container 17 is arranged in the centrifugal bin 16, and the upper port area of the reaction reagent container 17 is lower than the bottom surface of the rotary table 13.

The consumable waste unit 3 comprises an arc-shaped placing frame 31, the placing frame 31 is inserted with a vertical pipetting tip 32, the placing frame 31 is coaxial with the disc 24, the rotating track of the pipetting arm 23 is located right above the placing frame 31, and when the pipetting arm 23 rotates right above the pipetting tip 32, the pipetting tip 32 can be combined with the pipetting arm 23 by downward movement. The consumable waste unit 3 further comprises a liquid waste recovery container 33 and a solid waste recovery container 34, and the movable range of the liquid adding arm 23 covers the upper port areas of the liquid waste recovery container 33 and the solid waste recovery container 34. The pipetting tips 32 on the liquid adding arms 23 suck the reagent from the reagent containers 17, and then the disc 24 and the rotary table 13 rotate by a certain angle, so that the pipetting tips 32 are aligned up and down with the centrifuge tube 11 and move liquid downwards, and the pipetting tips can be matched with the centrifuge tube 11 to perform operations of pipetting, uniformly mixing and blowing reactants.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. The utility model provides a rotation type centrifugation sample processing apparatus, includes centrifugal unit (1), rotatory liquid feeding unit (2) and consumable waste unit (3), and rotatory liquid feeding unit (2) include disc (24) and liquid feeding pump (21), a plurality of liquid feeding arms (23) are radially installed to disc (24), and disc (24) are realized rotatory and elevating movement by actuating mechanism (22) drive, every liquid feeding arm (23) are connected its characterized in that with liquid feeding pump (21) through the gas circuit respectively: centrifugal unit (1) are including tube-shape centrifugal storehouse (16), the middle part fixed mounting in centrifugal storehouse (16) has motor (15) of vertical, and fixed mounting has carousel (13) and centrifuging tube (11) of spoke type on the output shaft of motor (15) up, even a plurality of tube holders (12) are installed through pivot (14) are articulated in the outside of carousel (13), tube holders (12) are used for bearing and insert centrifuging tube (11), install reactant container (17) in centrifugal storehouse (16), consumable waste unit (3) are including curved rack (31), rack (31) cartridge is vertical pipetting head (32), rack (31) and disc (24) coaxial line.

2. A rotary centrifugal sample processing device according to claim 1, wherein: the consumable waste unit (3) further comprises a liquid waste recovery container (33) and a solid waste recovery container (34), and the movable range of the liquid adding arm (23) covers the upper port areas of the liquid waste recovery container (33) and the solid waste recovery container (34).

3. A rotary centrifugal sample processing device according to claim 1, wherein: the upper port area of the reactant reservoir (17) is lower than the bottom surface of the turntable (13).