阅读说明：本技术 一种自动提取型细胞实验离心机 (Automatic draw type cell experiment centrifuge ) 是由 钱卫斌 蔡欣蕊 钱秋海 于 2019-10-14 设计创作，主要内容包括：本发明公开了一种自动提取型细胞实验离心机,主要涉及生物细胞实验技术领域。包括底座、支架、离心座机壳、离心转架、转架驱动装置总成、试管放置架和待离心试管；还包括试管自转装置总成；所述试管自转装置总成包括轮毂电机、主动齿轮、从动齿轮、驱动带轮、传动皮带、从动带轮；所述从动带轮转动连接设置在试管放置架上,所述从动带轮上设有试管放置圆孔,所述待离心试管底部设有封口胶塞。本发明的有益效果在于：它通过对待离心试管运动轨迹的优化,能够更彻底的对待离心试管进行混合搅动；而且能够更彻底的将离心后试管底部的物质完全有效的抽出,大大提高离心效率。(The invention discloses an automatic extraction type cell experiment centrifugal machine, and mainly relates to the technical field of biological cell experiments. Comprises a base, a bracket, a centrifugal base shell, a centrifugal rotating stand, a rotating stand driving device assembly, a test tube placing rack and a test tube to be centrifuged; the test tube automatic rotating device assembly is also included; the test tube autorotation device assembly comprises a hub motor, a driving gear, a driven gear, a driving belt wheel, a transmission belt and a driven belt wheel; driven pulley rotates to connect and sets up on test tube rack, it places the round hole to be equipped with the test tube on the driven pulley, treat that centrifugal test tube bottom is equipped with the sealing plug. The invention has the beneficial effects that: the test tube to be centrifuged can be more thoroughly mixed and stirred by optimizing the motion track of the test tube to be centrifuged; and the material of test tube bottom is effectual taken out completely behind can more thorough will centrifuging, improves centrifugal efficiency greatly.)

1. An automatic extraction type cell experiment centrifuge comprises a base (1), a bracket (2), a centrifuge base shell (3), a centrifuge rotating frame (4), a rotating frame driving device assembly, a test tube placing frame (5) and a test tube (6) to be centrifuged;

the test tube rack is characterized in that the support (2) is arranged on the base (1), the bottom of the centrifugal seat shell (3) is supported by the support (2), the centrifugal rotating frame (4) is arranged in the centrifugal seat shell (3), the rotating frame driving device assembly drives the centrifugal rotating frame (4) to rotate, the test tube rack (5) is arranged around the centrifugal rotating frame (4) in an annular array mode, and the test tube rack (5) with the centrifugal tubes is arranged on the test tube rack (5);

the method is characterized in that: the test tube automatic rotating device assembly is also included; the test tube rotation device assembly comprises a hub motor (7), a driving gear (8), a driven gear (9), a driving belt wheel (10), a transmission belt (11) and a driven belt wheel (12);

the test tube placing device is characterized in that the hub motor (7) is arranged in the centrifugal rotating frame (4), the hub motor (7) drives the driving gear (8) to rotate, the driving gear (8) drives the driven gear (9) to rotate, the driven gear (9) and the driving belt wheel (10) are arranged in an integrated mode with the same axis, the driving belt wheel (10) drives the driven belt wheel (12) to rotate through a transmission belt (11), the driven belt wheel (12) is rotatably connected and arranged on the test tube placing frame (5), a circular hole (13) is formed in the test tube placing frame (5), a test tube placing circular hole (14) is formed in the driven belt wheel (12), the circular hole (13) and the test tube placing circular hole (14) are arranged in a concentric mode, and the diameter of the circular hole (13) and the test tube placing circular hole (14) is larger than the diameter of a test tube (;

treat that centrifugal test tube (6) bottom is equipped with seals plug (15), be equipped with on centrifugal seat casing (3) and seal corresponding extraction stand pipe (16) of plug (15).

2. The automatic extraction type cell experiment centrifuge as claimed in claim 1, wherein: centrifugal seat casing (3) bottom is equipped with axle perforation (17), revolving rack drive arrangement assembly includes servo motor (18) and main shaft (19), servo motor (18) set up on base (1), servo motor (18) drive main shaft (19) rotate, main shaft (19) top is passed axle perforation (17) and is connected bottom centrifugal revolving rack (4).

3. The automatic extraction type cell experiment centrifuge as claimed in claim 2, wherein: the centrifugal seat is characterized in that a bearing end cover (20) is arranged at the bottom of the centrifugal seat shell (3), a thrust bearing (21) matched with the main shaft (19) is arranged in the bearing end cover (20), a flange (22) matched with the thrust bearing (21) is arranged on the main shaft (19), and the two thrust bearings (21) are respectively arranged on two sides of the flange (22).

4. The automatic extraction type cell experiment centrifuge as claimed in claim 1, wherein: and a pressing wheel (23) is arranged at the top of the side wall of the centrifugal rotating frame (4), and the driving belt (11) is pressed by the pressing wheel (23).

5. The automatic extraction type cell experiment centrifuge as claimed in claim 1, wherein: be equipped with circular spout (24) on test tube rack (5), be equipped with on driven pulley (12) with circular spout (24) sliding connection's slide rail (25), circular motion is done along circular spout (24) in slide rail (25).

6. The automatic extraction type cell experiment centrifuge as claimed in claim 1, wherein: the inner surface of the test tube placing round hole (14) is provided with an elastic rubber gasket (26).

7. The automatic extraction type cell experiment centrifuge as claimed in claim 1, wherein: the top of the centrifugal seat shell (3) is provided with a shell cover (27).

Technical Field

The invention relates to the technical field of biological cell experiments, in particular to an automatic extraction type cell experiment centrifugal machine.

Background

Centrifuges are the basic separation apparatus of biological laboratories and are commonly used to separate the solid and liquid phases of colloidal solutions.

The prior art is basically the technology of the invention patent with the application number of 201610643787.2, in which a centrifugal process is performed by rotating a centrifugal rotating frame to drive a test tube to be centrifuged to revolve around the center of the centrifugal rotating frame. But the effect of inertia is received, when waiting centrifugal test tube uniform velocity circular motion, the acceleration is all centripetal acceleration, does not have the acceleration in tangential direction, just can not play fine stirring mixing's effect. And the material with large specific gravity at the bottom of the test tube after centrifugation is extracted by controlling the lifting mechanism in the technology, thereby ensuring the separation effect. The lifting mechanism and the extraction port are unreasonable in arrangement, the lifting mechanism is complex in structure, the extraction effect can not be well achieved basically, the extraction port is not arranged at the bottommost part of the test tube, the substances at the bottom of the test tube can not be effectively extracted completely, and the centrifugal efficiency is greatly influenced.

Disclosure of Invention

The invention aims to provide an automatic extraction type cell experiment centrifuge which can more thoroughly mix and stir test tubes to be centrifuged by optimizing the motion track of the test tubes to be centrifuged; and the material of test tube bottom is effectual taken out completely behind can more thorough will centrifuging, improves centrifugal efficiency greatly.

In order to achieve the purpose, the invention is realized by the following technical scheme:

an automatic extraction type cell experiment centrifuge comprises a base, a bracket, a centrifugal base shell, a centrifugal rotating stand, a rotating stand driving device assembly, a test tube placing rack and a test tube to be centrifuged; the test tube rack is arranged around the centrifugal rotating stand in an annular array manner, and the test tube with the centrifugal tubes is arranged on the test tube rack;

the test tube automatic rotating device assembly is also included; the test tube autorotation device assembly comprises a hub motor, a driving gear, a driven gear, a driving belt wheel, a transmission belt and a driven belt wheel; the test tube placing rack is characterized in that the hub motor is arranged in the centrifugal rotating rack, the hub motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate, the driven gear and the driving belt wheel are arranged in a coaxial and integrated mode, the driving belt wheel drives the driven belt wheel to rotate through a transmission belt, the driven belt wheel is rotatably connected and arranged on the test tube placing rack, a circular hole is formed in the test tube placing rack, a test tube placing circular hole is formed in the driven belt wheel, the circular hole and the test tube placing circular hole are arranged in a concentric mode, and the diameter of the circular hole and the diameter of the test tube placing circular hole are larger than the diameter of; the bottom of the test tube to be centrifuged is provided with a sealing rubber plug, and the centrifuge base shell is provided with an extraction guide tube corresponding to the sealing rubber plug.

The centrifugal seat is characterized in that a shaft through hole is formed in the bottom of the shell of the centrifugal seat, the rotating frame driving device assembly comprises a servo motor and a main shaft, the servo motor is arranged on the base and drives the main shaft to rotate, and the top end of the main shaft penetrates through the shaft through hole to be connected with the bottom of the centrifugal rotating frame.

The centrifugal base machine is characterized in that a bearing end cover is arranged at the bottom of the centrifugal base machine shell, a thrust bearing which is matched with the main shaft is arranged in the bearing end cover, a flange which is matched with the thrust bearing is arranged on the main shaft, and the two thrust bearings are respectively arranged on two sides of the flange.

And a pressing wheel is arranged at the top of the side wall of the centrifugal rotating frame and used for pressing the transmission belt.

The test tube placing rack is provided with a circular sliding groove, the driven belt wheel is provided with a sliding rail which is in sliding connection with the circular sliding groove, and the sliding rail moves circumferentially along the circular sliding groove.

The test tube is placed round hole internal surface and is equipped with the elastic rubber packing ring.

And a shell cover is arranged at the top of the centrifugal seat shell.

Compared with the prior art, the invention has the beneficial effects that:

the test tube motion of treating of this device includes rotation and revolution, and the rotation drives through test tube rotation device assembly, and the revolution is exactly that the rotation of centrifugation revolving rack drives, and this just makes the motion of treating the centrifugal test tube more become complicated, treats the optimization of centrifugal test tube movement track through adopting this kind of mode, and continuous through changing in-wheel motor, servo motor's rotational speed moreover, just can be more thorough treat that centrifugal test tube mixes and stir.

And through inserting the extraction needle tubing along the extraction stand pipe, the syringe needle is inserted and is worn the plug that seals of treating centrifugation test tube bottom, just can extract the material of test tube bottom, seals the plug setting at the test tube bottommost, can be more thorough with the complete effectual extraction of material of centrifugation back test tube bottom, improves centrifugal efficiency greatly.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention.

FIG. 3 is an enlarged view of portion B of FIG. 1 in accordance with the present invention.

Reference numerals shown in the drawings:

1. a base; 2. a support; 3. a centrifuge base housing; 4. centrifuging and rotating the frame; 5. placing a test tube rack; 6. centrifuging the test tube; 7. a hub motor; 8. a driving gear; 9. a driven gear; 10. a drive pulley; 11. a drive belt; 12. a driven pulley; 13. a circular hole; 14. placing the test tube in the round hole; 15. sealing the rubber plug; 16. extracting the guide pipe; 17. shaft perforation; 18. a servo motor; 19. a main shaft; 20. a bearing end cap; 21. a thrust bearing; 22. a flange; 23. a pinch roller; 24. a circular chute; 25. a slide rail; 26. an elastic rubber gasket; 27. and a shell cover.

Detailed Description

The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.

The invention relates to an automatic extraction type cell experiment centrifugal machine, which comprises a main body structure, a centrifugal base shell, a centrifugal rotating frame, a rotating frame driving device assembly, a test tube placing frame and a test tube to be centrifuged 6, wherein the main body structure comprises a base 1, a support 2, a centrifugal base shell 3, a centrifugal rotating frame 4, a rotating frame driving device assembly, a test tube placing frame and a test tube to be centrifuged; the rack 2 is arranged on the base 1, the bottom of the centrifugal seat shell 3 is supported by the rack 2, the centrifugal rotating frame 4 is arranged in the centrifugal seat shell 3, the rotating frame driving device assembly drives the centrifugal rotating frame 4 to rotate, the test tube placing frames 5 are arranged around the centrifugal rotating frame 4 in an annular array mode, and the test tube placing frames 5 with the centrifugal tubes are arranged on the test tube placing frames 5; the bottom of centrifugal seat casing 3 is equipped with axle perforation 17, revolving rack drive arrangement assembly includes servo motor 18 and main shaft 19, servo motor 18 sets up on base 1, servo motor 18 drive main shaft 19 rotates, the main shaft 19 top is passed axle perforation 17 and is connected with centrifugal revolving rack 4 bottom. The centrifugal seat is characterized in that a bearing end cover 20 is arranged at the bottom of the centrifugal seat shell 3, a thrust bearing 21 matched with the main shaft 19 is arranged in the bearing end cover 20, a flange 22 matched with the thrust bearing 21 is arranged on the main shaft 19, and the two thrust bearings 21 are respectively arranged on two sides of the flange 22.

The above is the technical principle of the revolution of the test tube 6 to be centrifuged. The device also comprises a test tube rotation device assembly.

The test tube rotation device assembly comprises a hub motor 7, a driving gear 8, a driven gear 9, a driving belt wheel 10, a transmission belt 11 and a driven belt wheel 12; the test tube placing device is characterized in that the hub motor 7 is arranged in the centrifugal rotating frame 4, the hub motor 7 drives the driving gear 8 to rotate, the driving gear 8 rotates to drive the driven gear 9 to rotate, the driven gear 9 and the driving pulley 10 are coaxially and integrally arranged, the driving pulley 10 drives the driven pulley 12 to rotate through the transmission belt 11, the driven pulley 12 is rotatably connected and arranged on the test tube placing frame 5, a circular hole 13 is formed in the test tube placing frame 5, a test tube placing circular hole 14 is formed in the driven pulley 12, the circular hole 13 and the test tube placing circular hole 14 are concentrically arranged, and the diameter of the circular hole 13 and the test tube placing circular hole 14 is larger than that of a test tube 6 to be centrifuged; the bottom of the test tube 6 to be centrifuged is provided with a sealing rubber plug 15, and the centrifugal seat shell 3 is provided with an extraction guide tube 16 corresponding to the sealing rubber plug 15.

And a pressing wheel 23 is arranged at the top of the side wall of the centrifugal rotating frame 4, and the driving belt 11 is pressed by the pressing wheel 23.

Be equipped with circular spout 24 on the test tube rack 5, be equipped with on the driven pulley 12 with 24 sliding connection's of circular spout slide rail 25, slide rail 25 is circular motion along circular spout 24. In this way, the driven pulley 12 can be placed on the test tube placing rack 5 and can concentrically rotate.

The test tube placing round hole 14 is internally provided with an elastic rubber gasket 26, and the elastic deformation capacity of the elastic rubber gasket 26 can stably fix the test tube 6 to be centrifuged.

The top of the centrifugal seat shell 3 is provided with a shell cover 27.

Methods of use and principles:

the movement of the test tube 6 to be centrifuged of the device comprises rotation and revolution. The rotation drives through test tube rotation device assembly, and in-wheel motor 7 drives driving gear 8 and rotates, and driving gear 8 drives driven gear 9 and rotates, thereby driven pulley 12 sets up with drive pulley 10 integration and drives drive pulley 10 and rotate, and drive pulley 10 drives driven pulley 12 through driving belt 11 and rotates to treat centrifugal test tube 6 rotation on the drive driven pulley 12. The revolution is driven by the rotation of the centrifugal rotating frame 4, and the servo motor 18 drives the centrifugal rotating frame 4 to rotate through the main shaft 19.

The movement of the test tube 6 to be centrifuged comprises rotation and revolution, so that the movement of the test tube 6 to be centrifuged is more complicated, the movement track of the test tube 6 to be centrifuged is optimized by adopting the mode, and the rotation speeds of the hub motor 7 and the servo motor 18 are continuously changed, so that the test tube 6 to be centrifuged can be more thoroughly mixed and stirred.

And through inserting the extraction needle tubing along extraction stand pipe 16, the syringe needle is inserted and is worn the plug 15 that seals of treating 6 bottoms of centrifugal test tube, just can extract the material of test tube bottom, seals plug 15 and sets up at the test tube bottommost, and the material that will centrifuge back test tube bottom that can be more thorough is effectual taking out completely, improves centrifugal efficiency greatly.