CN112122284A - A reagent tube cleaning device for biotechnology - Google Patents

Abstract

The invention provides a reagent tube cleaning device for biotechnology, a reagent tube cleaning device for biotechnology, comprising: a cleaning tank, a cleaning liquid tank is arranged on one side of the cleaning tank; a reagent tube disk is arranged on the inner wall of the cleaning tank ; a plurality of accommodating grooves are laterally arranged in the reagent tube tray for inserting reagent tubes; a cleaning rack is slidably arranged in the cleaning groove. The device inserts the reagent tube horizontally on the reagent tube tray, and extends the cleaning brush into the reagent tube through the movable cleaning rack. When the brush cleans the inner wall of the reagent tube, the cleaning liquid in the cleaning liquid pool sprays the inner wall of the reagent tube through the nozzle holes on the cleaning brush, so that the liquid spraying and cleaning are carried out synchronously, which not only saves the cleaning liquid, but also does not Causes secondary pollution in the cleaning process, the cleaning effect is good, and the cleaning efficiency is high.

Description

A reagent tube cleaning device for biotechnology

technical field

The invention belongs to the technical field of reagent tube cleaning equipment, and particularly relates to a reagent tube cleaning device for biotechnology.

Background technique

Biotechnology is a technology that uses organisms or their components to produce useful substances. The used organisms or their components mainly include cell tissues, microorganisms, enzymes, etc., in the process of processing the organism or its components. A large number of reagent tubes are required. However, biotechnology experiments usually require high precision. In order to avoid cross-contamination between reactants, the reagent tubes used need to be cleaned. However, due to the large amount of use of the reagent tubes, the cleaning process often takes a lot of time and is time-consuming and labor-intensive.

In the existing cleaning devices, the reagent tubes are directly immersed in the cleaning pool, and the reagent tubes are cleaned by rotating or moving up and down. However, such cleaning is likely to cause residual substances between the reagent tubes to be mixed in the cleaning pool, further. Polluting the cleaning solution can easily cause secondary pollution of the reagent tube, affect the cleanliness of the reagent tube, and easily cause experimental errors in the later stage. In addition, such a cleaning method consumes a large amount of cleaning liquid, resulting in an increase in the cost of post-processing of the cleaning liquid wastewater.

SUMMARY OF THE INVENTION

In order to solve the above problems, the purpose of the present invention is to provide a reagent tube cleaning device for biotechnology, the device inserts the reagent tube horizontally on the reagent tube tray, and extends the cleaning brush into the reagent tube through the movable cleaning rack, And because the hollow tube of the cleaning brush is connected with the cleaning liquid pool in the installation shell, while the inner wall of the reagent tube is cleaned by the rotating cleaning brush, the cleaning liquid in the cleaning liquid pool passes through the spray hole on the cleaning brush to the inner wall of the reagent tube. Carrying out liquid spraying, so that the liquid spraying and cleaning are carried out synchronously, which not only saves the cleaning liquid, but also does not cause secondary pollution in the cleaning process, with good cleaning effect and high cleaning efficiency.

In order to achieve the above objects, the technical solutions of the present invention are as follows.

A device for cleaning reagent tubes for biotechnology, comprising:

The cleaning tank is provided with a cleaning liquid tank on one side;

The reagent tube tray is arranged on the inner wall of the cleaning tank; a plurality of accommodating grooves are laterally arranged in the reagent tube tray for inserting reagent tubes;

The cleaning rack is slidably arranged in the cleaning tank; the cleaning rack includes:

A casing is installed, wherein a cleaning liquid pool is arranged, and the liquid inlet of the cleaning liquid pool is connected with the cleaning liquid tank through a first liquid inlet pipe;

A plurality of mounting seats are rotatably arranged on one side of the mounting shell and correspond to the positions of their corresponding accommodating grooves one-to-one;

Several cleaning brushes are detachably arranged on their corresponding mounting seats;

Each of the cleaning brushes is provided with a hollow tube, one end of each of the hollow tubes is connected to the cleaning liquid pool through a second liquid inlet tube, and an outer wall of each of the hollow tubes is provided There are multiple nozzles;

The rotating part is arranged in the installation casing and is used to drive several cleaning brushes to rotate synchronously.

Further, a cleaning liquid chamber is arranged in the reagent tube tray, a plurality of through holes are arranged on the inner wall of each of the accommodating grooves, and each of the through holes is communicated with the cleaning liquid chamber; the The cleaning liquid chamber is connected to the cleaning liquid tank through a third liquid inlet pipe.

Further, each of the accommodating grooves is provided with a plurality of elastic crimping parts for compressing the reagent tubes; each of the elastic compressing parts includes:

an arc-shaped pressing piece, one end of which is hinged with the inner wall of the accommodating groove;

One end of the elastic piece is fixedly connected with the inner wall of the accommodating groove, and the other end is fixedly connected with the other end of the arc-shaped pressing piece.

Further, each of the accommodating tanks is provided with a cleaning net assembly; each of the cleaning net assemblies includes:

a sliding frame, which is slidably arranged in the corresponding accommodating groove;

The cleaning net is arranged on the sliding frame, and its shape matches the shape of its corresponding accommodating groove;

Each of the cleaning nets and their corresponding accommodating grooves are combined to form accommodating cavities, and each of the accommodating cavities is filled with a plurality of silica gel cleaning balls.

Further, silicone bristles are provided on the outer wall of each of the cleaning brushes.

Further, an installation cavity is provided in the installation housing, the rotating component is disposed in the installation cavity, and the rotating component includes:

a first motor, arranged on the inner wall of the installation cavity;

a driving gear, arranged on the output shaft of the first motor;

A plurality of driven gears are sleeved on their corresponding mounting seats, and two adjacent driven gears are meshed with teeth; the driven gear located at the end is connected with a pair of gears, and the drive gear and the pair Gear teeth mesh.

Further, a grid plate is arranged in the cleaning tank, a cleaning chamber is arranged on the upper side of the grid plate, a cleaning liquid collection chamber is arranged on the lower side of the grid plate, and one side of the cleaning fluid collection chamber is arranged A drain pipe is provided.

Further, the size of one side of each of the spray holes close to the hollow tube is smaller than the size of the other side of each of the spray holes away from the hollow tube.

Further, both the first liquid inlet pipe and the third liquid inlet pipe are provided with a liquid suction pump.

Beneficial effects of the present invention:

1. The device of the present invention inserts the reagent tube horizontally on the reagent tube tray, extends the cleaning brush into the reagent tube through the movable cleaning rack, and the hollow tube of the cleaning brush communicates with the cleaning liquid pool in the installation shell. , while cleaning the inner wall of the reagent tube by rotating the cleaning brush, the cleaning liquid in the cleaning liquid pool sprays the inner wall of the reagent tube through the nozzle holes on the cleaning brush, so that the liquid spraying and cleaning are carried out synchronously, which not only saves the cleaning liquid , and will not cause secondary pollution in the cleaning process, the cleaning effect is good, and the cleaning efficiency is high.

2. In the present invention, a cleaning liquid chamber is also arranged in the reagent tube tray, and the cleaning liquid chamber is communicated with the through hole on the inner wall of the holding tank, which helps to clean the outer wall of the reagent tube. Cleaning of the outer and inner walls of the reagent tubes.

Description of drawings

FIG. 1 is a schematic structural diagram of an apparatus according to an embodiment of the present invention.

FIG. 2 is a schematic structural diagram of a reagent tube tray in an apparatus according to an embodiment of the present invention.

FIG. 3 is a schematic structural diagram of part A in FIG. 2 .

FIG. 4 is a schematic structural diagram of a cleaning rack in an apparatus according to an embodiment of the present invention.

FIG. 5 is a schematic structural diagram of the cleaning brush in FIG. 4 .

FIG. 6 is a schematic structural diagram of a liquid spray pipe according to another embodiment of the present invention.

In the figure, 1, cleaning tank; 11, grid plate; 12, cleaning chamber; 13, cleaning liquid collection chamber; 14, drain pipe; 2, cleaning liquid tank; 3, reagent tube tray; 31, holding tank; 311 32, cleaning fluid chamber; 33, elastic pressing part; 331, arc pressing part; 332, elastic part; 34, cleaning net assembly; 341, sliding frame; 342, cleaning net; 4, reagent Tube; 5. Cleaning frame; 51. Installation shell; 511. Cleaning liquid pool; 52. Mounting seat; 53. Cleaning brush; 531. Hollow tube; 532. Spray hole; 533. Silicone bristles; 54. Rotating parts; , the first motor; 542, the driving gear; 543, the driven gear; 544, the auxiliary gear; 6, the first liquid inlet pipe; 7, the second liquid inlet pipe; 8, the third liquid inlet pipe; 9, the pump .

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIG. 1 , which is a schematic structural diagram of a device for cleaning reagent tubes for biotechnology according to an embodiment of the present invention. The device is mainly used for preliminary cleaning of reagent tubes for biotechnology, and is suitable for automatic cleaning of a large number of reagent tubes. The device includes a cleaning tank 1 , a reagent tube tray 3 and a cleaning rack 5 .

One side of the cleaning tank 1 is provided with a cleaning liquid tank 2, and the cleaning liquid tank is filled with the prepared cleaning liquid;

The reagent tube tray 3 is arranged on the inner wall of the cleaning tank 1; the reagent tube tray 3 is laterally provided with a plurality of accommodating grooves 31 for inserting the reagent tubes 4; in this embodiment, one side wall of the reagent tube tray 3 is fixed on the On the vertical side wall of the cleaning tank 1, several accommodating tanks 31 of the reagent tube tray 3 are arranged horizontally, so that the cleaned waste liquid can automatically flow out of the accommodating tank 31 during the cleaning process and fall into the bottom of the cleaning tank 1, thereby improving the cleaning effect.

The cleaning rack 5 is slidably disposed on two opposite side walls in the cleaning tank 1 . Referring to FIGS. 1 and 4 , the cleaning rack 5 includes a mounting shell 51 , a plurality of mounting seats 52 and a plurality of cleaning brushes 53 .

The installation casing 51 is provided with a cleaning liquid pool 511, and the liquid inlet of the cleaning liquid pool 511 is connected to the cleaning liquid tank 2 through the first liquid inlet pipe 6; The pump 9 pumps the cleaning liquid into the cleaning liquid pool 511 , and then diverts the flow from the cleaning liquid pool 511 to the hollow tube 531 of the corresponding cleaning brush 53 .

A plurality of mounting seats 52 are rotatably disposed on one side of the mounting shell 51 and correspond to the positions of their corresponding accommodating grooves 31 respectively; a plurality of cleaning brushes 53 are detachably disposed on their corresponding mounting seats 52 . The length of the cleaning brush 53 matches the length of the reagent tube 4 . For example, two inner walls of the cleaning tank 1 are provided with sliding grooves, and both ends of the mounting shell 51 are slidably disposed in the corresponding sliding grooves. When the mounting shell 51 is slid along the chute, and the cleaning brushes 53 are inserted into the corresponding reagent tubes 4, the motor is started, and the rotating part 54 can drive the cleaning brushes 53 to rotate synchronously, thereby realizing the synchronous rotation of the plurality of reagent tubes 4. synchronous cleaning. Of course, when the installation shell 51 is pushed to one side of the reagent tube tray 3, the side wall of the installation shell close to the reagent tube tray is provided with a clamping structure, and the clamping structure is installed on the two side walls of the cleaning tank. The structure clamps and fixes the installation shell, which is convenient for cleaning and not easy to move. At this time, there is still a gap between the installation shell and the reagent tube tray, which is convenient for the cleaning fluid to flow out.

In this embodiment, the mounting seat 52 is provided on the left side of the mounting housing 51 , and the cleaning liquid pool 511 is provided on the right side of the mounting housing 51 . The mounting seat 52 is rotatably connected to the mounting shell 51, and the rotation of the mounting shell 51 can drive the cleaning brush 53 to rotate, and the inner wall of the reagent tube can be brushed, and the attachments on the inner wall of the cleaning reagent tube can be cleaned, and the cleaning effect can be improved.

Each cleaning brush 53 is provided with a hollow tube 531. One end of each hollow tube 531 is connected to the cleaning liquid pool 511 through the second liquid inlet tube 7. The outer wall of each hollow tube 531 is provided with a plurality of The cleaning liquid in the cleaning liquid pool 511 is introduced into the hollow pipe 531 through the second liquid inlet pipe 7, and is sprayed from the spray holes 532. As the mounting seat 52 drives the cleaning brush 53 to rotate and brush the inner wall of the reagent tube 4, the cleaning liquid is simultaneously sprayed from the nozzle holes on the circumferential side wall of the cleaning brush. The inner wall of the reagent tube is cleaned by the sprayed cleaning liquid and the cleaning brush, and the flowing cleaning liquid can gradually take the cleaned waste liquid away from the reagent tube, improve the cleaning effect, and save the amount of cleaning liquid.

Please refer to FIG. 4 , the rotating member 54 is disposed in the installation casing 51 and is used for driving the plurality of cleaning brushes 53 to rotate synchronously. Specifically, an installation cavity is provided in the installation housing 51 , and the rotating member 54 is disposed in the installation cavity. The rotating member 54 includes a first motor 541 , a driving gear 542 and a plurality of driven gears 543 .

The first motor 541 is arranged on the inner wall of the installation cavity to provide power;

The driving gear 542 is arranged on the output shaft of the first motor 541;

A plurality of driven gears 543 are sleeved on the corresponding mounting seat 52, and two adjacent driven gears 543 are in tooth-shaped meshing; the driven gear at the end is connected with a pair of gears 544, the driving gear 542 and the pair of gears 544 Tooth meshing.

When in use, the first motor is started, and the output shaft of the first motor drives the driving gear to rotate. Since the driving gear meshes with the auxiliary gear, the auxiliary gear rotates accordingly, which in turn drives the driven gear on the top connected with the auxiliary gear to rotate. Since two adjacent driven gears are in tooth-shaped meshing, a plurality of driven gears are rotated at the same time, so that the synchronous rotation of a plurality of cleaning brushes can be realized.

In this embodiment, the device inserts the reagent tubes horizontally on the reagent tube tray, and pushes the cleaning brushes into the corresponding reagent tubes through the movable cleaning rack. The liquid pool is connected, and while the inner wall of the reagent tube is cleaned by the rotating cleaning brush, the cleaning liquid in the cleaning liquid pool sprays the inner wall of the reagent tube through the nozzle hole on the cleaning brush, so that the liquid spraying and cleaning are carried out synchronously, which not only saves money The cleaning solution can be used without causing secondary pollution in the cleaning process, the cleaning effect is good, and the cleaning efficiency is high.

Please refer to FIG. 2 to FIG. 3 , the reagent tube tray 3 is provided with a cleaning liquid chamber 32 , and a plurality of through holes 311 are provided on the inner wall of each accommodating tank 31 , and each through hole 311 is connected to the cleaning liquid chamber 32 . Communication; the cleaning liquid chamber 32 is connected to the cleaning liquid tank 2 through the third liquid inlet pipe 9 . The third liquid inlet pipe 8 is provided with a liquid suction pump 9 , and is connected to the cleaning liquid tank 2 through the liquid suction pump 9 .

In this embodiment, a cleaning liquid chamber 32 is also provided in the reagent tube tray. The cleaning liquid chamber 32 communicates with the through hole 311 on the inner wall of the accommodating tank 31, which is helpful for cleaning the outer wall of the reagent tube. By cooperating with the cleaning rack 5 , the outer wall and inner wall of the reagent tube can be cleaned. During use, the cleaning liquid in the cleaning liquid tank 2 is introduced into the cleaning liquid chamber 32 by the suction pump 9, and then sprayed from the through holes 311 on the inner wall of each accommodating tank 31, so that the cleaning liquid in each accommodating tank 31 can be The outer wall of the inner reagent tube 4 is cleaned.

Referring to FIG. 3 , each accommodating groove 31 is provided with a plurality of elastic pressing members 33 for pressing the reagent tube 4 ; each elastic pressing member 33 includes an arc pressing member 331 and an elastic member 332 .

One end of the arc-shaped pressing member 331 is hinged with the inner wall of the accommodating groove 31; for example, the arc-shaped pressing member is in the shape of a circular arc, one end of the arc-shaped pressing member is flat, and is hinged with the inner wall of the accommodating groove, and the other end has a spherical groove body structure, the other end of the elastic member 332 is disposed in the spherical groove structure.

One end of the elastic member 332 is fixedly connected to the inner wall of the accommodating groove 31 , and the other end is fixedly connected to the other end of the arc-shaped pressing member 331 . For example, the elastic member is a cylindrical spring, and the elastic member can drive the other end of the arc-shaped pressing member to be pressed toward the reagent tube.

Each accommodating slot 31 is provided with a cleaning net assembly 34 ; each cleaning net assembly 34 includes: a sliding frame 341 and a cleaning net 342 .

The sliding frame 341 is slidably disposed in the corresponding accommodating groove 31; for example, the sliding frame includes a plurality of collars, which are sequentially disposed on the outer wall of the cleaning net. The outer diameter of each collar matches its corresponding accommodating groove 31 to support the cleaning net, and is combined with the inner wall of the accommodating groove to form a plurality of accommodating cavities for filling the silica gel cleaning balls.

The cleaning net 342 is arranged on the sliding frame 341, and its shape matches the shape of the corresponding accommodating groove 31; when in use, the open end of the cleaning net is fixed on the open end of the accommodating groove 31, and the cleaning The net is pushed into the bottom of the receiving slot. At this time, several collars on the sliding frame are in contact with the inner wall of the accommodating groove and can slide.

Each cleaning net 342 and its corresponding accommodating groove 31 are combined to form a accommodating cavity, and each accommodating cavity is filled with a plurality of silica gel cleaning balls.

In this embodiment, as the cleaning liquid is introduced into the cleaning liquid chamber 32, it is sprayed out from the through holes 311 on the inner wall of each accommodating tank 31, so that the silica gel cleaning balls in the corresponding accommodating cavities are rolled and squeezed against each other, and the reagent The outer wall of the tube forms friction, which helps to clean the outer wall of the reagent tube.

Referring to FIGS. 4 to 5 , silicone bristles 533 are provided on the outer wall of each cleaning brush 53 . When in use, push the cleaning brush into the corresponding reagent tube, and the silicone bristles can brush the inner wall of the reagent tube. The silicone bristles are made of hard silicone material, with certain hardness and elasticity, which can avoid abrasion to the inner wall of the reagent tube.

The size of one side of each spray hole 532 close to the hollow tube 531 is smaller than the size of the other side of each spray hole 532 away from the hollow tube 531 . The water flow from the nozzle holes is sprayed radially to increase the spray area.

Of course, in other embodiments, the size of the side of the nozzle holes 532 close to the hollow tube 531 may be larger than the size of the other side of each nozzle hole 532 away from the hollow tube 531 . Used to increase the speed of the water jet. This can be adjusted according to actual needs.

Please refer to FIG. 1 again, the cleaning tank 1 is provided with a grid plate 11, the upper side of the grid plate 11 is provided with a cleaning chamber 12, the lower side of the grid plate 11 is provided with a cleaning liquid collection chamber 13, and the cleaning liquid collection chamber 13 A drain pipe 14 is provided on one side. The waste liquid flowing out during the cleaning process of the reagent tube accumulates at the bottom of the cleaning tank, and falls into the cleaning liquid collection chamber through the grid plate, and is finally discharged by the drain pipe. Of course, a control valve is arranged on the discharge pipe to control the discharge of the waste liquid in the cleaning liquid collection chamber.

Of course, after the reagent tube is cleaned with the cleaning solution, it needs to be cleaned again with clean water and distilled water in order to remove the remaining cleaning solution on the reagent tube. The specific operations are as follows:

First, after cleaning the inner wall and outer wall of the reagent tube with cleaning liquid, remove the cleaning brush on the outside of the installation shell, and then install the liquid spray pipe 10, as shown in FIG. 6, the liquid spray pipe 10 has a spray cavity 101, A plurality of spray heads 102 are arranged on the outer wall of the cavity 101;

Second, the first liquid inlet pipe 6 and the third liquid inlet pipe 8 are respectively connected to the clean water tank through the suction pump 9, and clean water is used to clean the inner wall and outer wall of the reagent pipe;

Third, the first liquid inlet pipe 6 and the third liquid inlet pipe 8 are respectively connected to the distilled water tank through the suction pump 9, and the inner wall and outer wall of the reagent tube are cleaned with distilled water.

Of course, the connection between the above liquid pump and the clean water tank and the distilled water tank can be manually replaced by the connecting pipe to the water outlet of the corresponding water tank; it can also be automatically switched by controlling the opening and switching of the valve; it is convenient and fast to clean from The liquid tank is transferred to the clean water tank and the distilled water tank.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention. Inside.

Claims (9)

1. A reagent tube cleaning device for biotechnology is characterized in that, comprising: a cleaning tank (1), one side of which is provided with a cleaning liquid tank (2); The reagent tube tray (3) is arranged on the inner wall of the cleaning tank (1); a plurality of accommodating grooves (31) are laterally arranged in the reagent tube tray (3) for inserting the reagent tubes (4); A cleaning rack (5) is slidably arranged in the cleaning tank (1); the cleaning rack (5) includes: A housing (51) is installed, in which a cleaning liquid pool (511) is arranged, and the liquid inlet of the cleaning liquid pool (511) is connected to the cleaning liquid tank (2) through a first liquid inlet pipe (6); A plurality of mounting seats (52) are rotatably arranged on one side of the mounting shell (51), and are in one-to-one correspondence with the positions of their corresponding accommodating grooves (31); a plurality of cleaning brushes (53), which are detachably arranged on the corresponding mounting seats (52); Each of the cleaning brushes (53) is provided with a hollow tube (531), and one end of each of the hollow tubes (531) is connected to the cleaning liquid pool (511) through the second liquid inlet pipe (7) ) connection, the outer wall of each hollow tube (531) is provided with a plurality of nozzle holes (532); The rotating part (54) is arranged in the installation casing (51) and is used for driving a plurality of cleaning brushes (53) to rotate synchronously. 2 . The device for cleaning reagent tubes for biotechnology according to claim 1 , wherein the reagent tube tray ( 3 ) is provided with a cleaning liquid chamber ( 32 ), and a chamber ( 32 ) of each of the accommodating grooves ( 31 ) is provided in the reagent tube tray ( 3 ). 3 . The inner wall is provided with a plurality of through holes (311), each of the through holes (311) is communicated with the cleaning liquid chamber (32); the cleaning liquid chamber (32) passes through a third liquid inlet pipe (9) is connected to the cleaning liquid tank (2). 3 . The device for cleaning reagent tubes for biotechnology according to claim 2 , wherein each of the accommodating grooves ( 31 ) is provided with a plurality of elastic crimping parts ( 33 ) for compressing the reagent tubes ( 3 . 3 . 4); each of the elastic pressing components (33) includes: an arc-shaped pressing member (331), one end of which is hinged with the inner wall of the accommodating groove (31); One end of the elastic piece (332) is fixedly connected with the inner wall of the accommodating groove (31), and the other end is fixedly connected with the other end of the arc-shaped pressing piece (331). 4. The device for cleaning reagent tubes for biotechnology according to claim 2, characterized in that, a cleaning net assembly (34) is provided in each of the accommodating grooves (31); each of the cleaning net assemblies (34) ) include: a sliding frame (341), slidably disposed in the corresponding accommodating groove (31); a cleaning net (342), which is arranged on the sliding frame (341), and whose shape matches the shape of its corresponding accommodating groove (31); Each of the cleaning nets (342) and its corresponding accommodating groove (31) are combined to form an accommodating cavity, and each of the accommodating cavities is filled with a plurality of silica gel cleaning balls. 5. The device for cleaning reagent tubes for biotechnology according to claim 1, wherein silicone bristles (533) are provided on the outer wall of each of the cleaning brushes (53). 6 . The device for cleaning reagent tubes for biotechnology according to claim 1 , wherein an installation cavity is arranged in the installation housing (51), and the rotating part (54) is arranged in the installation cavity, 6 . The rotating part (54) includes: a first motor (541), arranged on the inner wall of the installation cavity; a driving gear (542), arranged on the output shaft of the first motor (541); A plurality of driven gears (543) are sleeved on their corresponding mounting seats (52), and two adjacent driven gears (543) are in tooth-shaped meshing; the driven gear at the end is connected with a pair of gears (544), the driving gear (542) is in tooth-shaped engagement with the auxiliary gear (544). 7. The device for cleaning reagent tubes for biotechnology according to claim 1, wherein a grid plate (11) is provided in the cleaning tank (1), and an upper side of the grid plate (11) is provided There is a cleaning chamber (12), a cleaning liquid collection chamber (13) is arranged on the lower side of the grid plate (11), and a drain pipe (14) is arranged on one side of the cleaning liquid collection chamber (13). 8. The device for cleaning reagent tubes for biotechnology according to claim 1, characterized in that, the size of one side of each of the spray holes (532) close to the hollow tube (531) is smaller than that of each of the The size of the other side of the nozzle hole (532) away from the hollow tube (531). 9 . The device for cleaning reagent tubes for biotechnology according to claim 2 , wherein the first liquid inlet pipe ( 6 ) and the third liquid inlet pipe ( 8 ) are both provided with a liquid suction pump ( 9 . 9).

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