CN113917171A

CN113917171A - Automatic sample adding device

Info

Publication number: CN113917171A
Application number: CN202111227655.9A
Authority: CN
Inventors: 耿丹; 杜荷香; 潘璠; 李清鲜; 赵利伟; 杨苗; 畅锴
Original assignee: Taiyuan Jinyu Clinical Laboratory Co ltd
Current assignee: Taiyuan Jinyu Clinical Laboratory Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-01-11

Abstract

The invention relates to the technical field of clinical detection, in particular to an automatic sample adding device in a chromosome harvesting experiment, which comprises a reagent sample adding box; a sample tray disposed inside the reagent addition chamber; the slide rail clamping component is arranged at the bottom of the inner wall of the reagent sampling box; the sample adding and conveying assembly is arranged on one side of the reagent sample adding box; and the temperature and humidity control system is arranged at the top of the inner wall of the reagent sample adding box. Compared with sample adding operation in other clinical inspection technologies, the sample adding quantity in a chromosome harvesting experiment is large, the sample adding times are complicated, the added reagent needs to be mixed for many times, and the like, and meanwhile, certain requirements are imposed on the temperature of the added reagent, the experiment temperature, and the like. The invention is provided with the slide rail, the sample adding system, the temperature control system, the mechanical system and the placing and fixing device on the basis of the common sample adding box, thereby improving the convenience, the accuracy and the working efficiency.

Description

Automatic sample adding device

Technical Field

The invention relates to the technical field of clinical detection, in particular to an automatic sample adding device.

Background

With the development of technology and the need of clinical detection, the amount of karyotype analysis samples is increasing. In chromosome preparation experiments, links such as hypotonic and fixed are the key factors influencing the flaking level, and reagents need to be repeatedly added for many times in the traditional manual operation. The manual operation process is more tedious and needs to be completed one by one, and the amount of the added reagent has certain unevenness, so that the experiment operation is influenced, and the tabletting effect is unstable.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides an automatic sample adding device which has the functions of a slide rail, sample adding, placing and electronic display and solves the problems of complex operation and uneven adding amount.

In order to achieve the purpose, the invention adopts the following technical scheme:

designing an automatic sample adding device, which comprises a reagent sample adding box; a sample tray disposed inside the reagent addition chamber; the slide rail clamping component is arranged at the bottom of the inner wall of the reagent sampling box and comprises a slide rail assembly and a clamping assembly for fixing the sample disc; the sample adding and conveying assembly is arranged on one side of the reagent sample adding box and comprises a conveying assembly, a storage assembly and a driving assembly for enabling the storage assembly to generate angular displacement; the temperature and humidity control system is arranged at the top of the inner wall of the reagent sample adding box; the box door is arranged on one side of the reagent sample adding box; and the mechanical system is arranged at the top of the reagent sample adding box, and at least part of the mechanical system is connected with the conveying component.

Preferably, the method further comprises the following steps: a gate valve disposed between the reagent addition chamber and the chamber door; the electronic setting display screen is arranged on one side of the box door; the power switch assembly is arranged on one side of the reagent sample adding box; the warning assembly is arranged on one side of the reagent sample adding box.

Preferably, the slide rail set spare includes two slide rails, the slide rail all with the bottom fixed connection of reagent application of sample incasement wall, two slide rail sliding connection is equipped with the slide, the fixed install bin that is equipped with in one side of slide, the clamping component set up with on the install bin, one side of slide rail is all fixed and is equipped with the stopper.

Preferably, clamping component includes two spouts, the spout all sets up in the upper surface of install bin, two the inner wall sliding connection of spout is equipped with removes the seat, two remove seat threaded connection and be equipped with two screw threads lead screw, the one end of two screw threads lead screw is run through the install bin and is rotated with the install bin and be connected and fixed motor one that is equipped with, and motor one and install bin fixed connection, the top of removing the seat is all fixed and is equipped with tight seat of clamp, the one side of pressing from both sides tight seat is all fixed and is equipped with the rubber pad, the fixed gravity sensor that is equipped with in the centre of install bin upper surface.

Preferably, the conveying component includes the pump body, the pump body and reagent application of sample case fixed connection, the drain pipe of the pump body runs through reagent application of sample case and fixed fluid-discharge tube that is equipped with, the fixed appearance case that is equipped with in one end of fluid-discharge tube, the fixed flow distribution plate that is equipped with of inner wall that goes out the appearance case, the lower fixed surface of flow distribution plate is equipped with a plurality of application of sample pipes, and the one end that adds the appearance pipe all runs through out the appearance case, it all fixedly is equipped with the solenoid valve to add the appearance pipe, the fixed flexible plug pipe that is equipped with in feed liquor hole of the pump body, the fixed sealed pad that is equipped with of inner wall of flexible plug pipe.

Preferably, the storage component comprises a plurality of fixing seats, the fixing seats are fixedly connected with the reagent sample adding box, the inner walls of the fixing seats are rotatably connected with placing seats, the placing seats are connected with a plurality of storage barrels in an inserting mode, the upper surfaces of the placing seats are provided with placing grooves corresponding to the storage barrels, the storage barrels are connected with barrel covers in a threaded mode, and the barrel covers are rotatably connected with inserting pipes corresponding to the telescopic inserting pipes.

Preferably, the drive assembly includes the fixed plate, fixed plate and reagent application of sample case fixed connection, the fixed surface of fixed plate is equipped with motor two, the fixed transmission shaft that is equipped with of output shaft of motor two, the fixed a plurality of worms that are equipped with of transmission shaft, one side of worm all the toothing is equipped with the worm wheel, the worm wheel all is fixed and is equipped with the transmission post, the one end of transmission post respectively with place seat fixed connection.

Preferably, the sample dish is including placing the dish, the upper surface of placing the dish is equipped with a plurality of recesses, and is a plurality of the recess grafting is equipped with a plurality of sample test tubes.

Preferably, mechanical system is including a top case, the fixed a plurality of pillars that are equipped with in top incasement wall's top, and the one end of pillar all with reagent adds the last fixed surface of appearance case and be connected, the pillar all cup joints and is equipped with the connecting plate, and is a plurality of the fixed mounting panel that is equipped with of connecting plate, the upper surface and the lower surface of connecting plate are all fixed and are equipped with the spring, the fixed a plurality of cylinders that are equipped with in one side of mounting panel, and the one end of a plurality of cylinders runs through reagent and adds the appearance case and be connected with transport assembly, the fixed vibrating motor that is equipped with in one side that the cylinder was kept away from to the mounting panel, reagent adds the upper surface of appearance case and is equipped with the corresponding groove that runs through with the mounting panel.

Compared with the prior art, the invention has the beneficial effects that: under the action of the slide rail clamping component, a worker can quickly fix and position the sample disc, and the operation is convenient and quick; by adopting the sample tray, simultaneous collection of multiple samples can be simultaneously completed, and the functions of selecting whether to mix the added reagent or not after sample addition and the like can be selected, so that the labor efficiency of workers is greatly improved, under the action of the sample adding and conveying component, workers can collect samples with different quantities according to requirements, and the sampling device is rapid and accurate, but also can be provided with different reagents for sampling according to the requirements, is very convenient, has a humidity control system, can ensure the temperature and humidity required by experimental operation, the technology of electronically setting the display screen is combined with other functions of the invention, can display the data of the types and the amounts of the added reagents, the temperature and the humidity in the box, the mechanical mixing function, the temperature and the humidity in the box, the warning range and the like, and can be known by the working personnel at any time, the warning assembly can timely remind workers when the content of the reagent in the storage assembly is insufficient.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a front view of an automatic sample adding device according to the present invention;

FIG. 2 is a front cross-sectional view of an automatic sample adding device according to the present invention;

FIG. 3 is a side sectional view of an automatic sample adding device according to the present invention;

FIG. 4 is an exploded view of a slide rail clamping member of an automatic sample adding device according to the present invention;

FIG. 5 is a cross-sectional view of a sample feeding and transporting assembly of an automatic sample feeding device according to the present invention;

FIG. 6 is an exploded view of a sample feeding and transporting assembly of an automatic sample feeding device according to the present invention;

FIG. 7 is a cross-sectional view taken at A in FIG. 5;

fig. 8 is an exploded view of a mechanical system of an automatic sample adding device according to the present invention.

In the figure: 1 reagent loading cassette, 2 sample tray, 21 placement tray, 22 wells, 23 sample tubes, 3 slide clamping member, 31 slide assembly, 32 clamping assembly, 4 loading transport assembly, 41 transport assembly, 42 storage assembly, 43 drive assembly, 5 temperature and humidity control system, 6 cassette door, 7 door valve, 8 electronic setup display, 9 power switch assembly, 10 alarm assembly, 11 mechanical system, 3101 slide, 3102 slide, 3103 mounting box, 3104 stop block, 3201 through chute, 3202 moving seat, 3203 double threaded lead screw, 3204 motor one, 3205 clamping seat, 3206 rubber pad, 3207 gravity sensor, 4101 pump body, 4102 drain, 4103 outlet sample cassette, 4104 diverter plate, 4105 sample loading tube, 4106 solenoid valve, 4108 telescoping tube, 4109 gasket, 4201 fixing seat, 4202 placement seat, 4203 storage barrel, 4204 barrel cover, 4205 tube, 4206 placement groove, 4301 fixing plate, 4302 motor two, 4303 drive shaft, 4304 worm, 4305 worm wheel, 4306 drive column, 1101 top box, 1102 support post, 1103 connecting plate, 1104 mounting plate, 1105 spring, 1106 cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-7, the automatic sample adding device provided in this embodiment includes a reagent sample adding box 1; a sample tray 2, wherein the sample tray 2 is arranged inside the reagent adding box 1; the slide rail clamping component 3 is arranged at the bottom of the inner wall of the reagent adding box 1, and the slide rail clamping component 3 comprises a slide rail assembly 31 and a clamping assembly 32 for fixing the sample disc 2; the sample adding and conveying assembly 4 is arranged on one side of the reagent sample adding box 1, and the sample adding and conveying assembly 4 comprises a conveying assembly 41, a storage assembly 42 and a driving assembly 43 for enabling the storage assembly 42 to generate angular displacement; the temperature and humidity control system 5 is arranged at the top of the inner wall of the reagent sample adding box 1; the box door 6 is arranged on one side of the reagent sampling box 1; the mechanical system 11 is arranged on the top of the reagent sampling box 1, and at least part of the mechanical system 11 is connected with the conveying component 41.

Further, the method also comprises the following steps: the gate valve 7 is arranged between the reagent sampling box 1 and the box door 6; the electronic setting display screen 8 is arranged on one side of the box door 6; the power switch assembly 9, the power switch assembly 9 is arranged on one side of the reagent sample adding box 1; the reagent sampling box comprises a warning component 10, wherein the warning component 10 is arranged on one side of the reagent sampling box 1.

It is specific, the staff can be quick fixes and fixes a position sample dish 2 under slide rail clamping member 3's effect, adopt sample dish 2, can accomplish the simultaneous acquisition of many examples sample simultaneously, improve staff's labor efficiency greatly, under the effect of application of sample transport assembly 4, the staff can be as required, carry out the acquisition of different quantity samples, it is quick accurate, and also can set up different reagents as required and sample, it is very convenient, mechanical system 11, can mix the reagent that adds, humidity control system 5, can guarantee the required humiture of experiment operation, the electron sets up the parameter that display screen 8 except that control application of sample operation, still participate in control temperature control system and warning system's parameter setting, the logic sequence of this software is: the warning module 10 can remind a worker in time when the reagent content in the storage module 42 is insufficient.

In this embodiment, as shown in fig. 4, the slide rail assembly 31 includes two slide rails 3101, the slide rails 3101 are all fixedly connected to the bottom of the inner wall of the reagent sampling box 1, two slide rails 3101 are slidably connected to each other and provided with a slide base 3102, one side of the slide base 3102 is fixedly provided with an installation box 3103, the clamping assembly 32 is arranged on the installation box 3103, and one side of the slide rails 3101 is fixedly provided with a limit block 3104.

Further, the clamping assembly 32 includes two sliding chutes 3201, the sliding chutes 3201 are all disposed on the upper surface of the mounting box 3103, the inner walls of the two sliding chutes 3201 are slidably connected to be provided with moving seats 3202, the two moving seats 3202 are threadedly connected to be provided with double-threaded lead screws 3203, one end of the double-threaded lead screws 3203 penetrates through the mounting box 3103 to be rotatably connected with the mounting box 3103 and is fixedly provided with a first motor 3204, the first motor 3204 is fixedly connected with the mounting box 3103, the top of the moving seats 3202 is fixedly provided with clamping seats 3205, one side of the clamping seats 3205 is fixedly provided with a rubber pad 3206, and the middle of the upper surface of the mounting box 3103 is fixedly provided with a gravity sensor 3207.

Specifically, when a worker places the sample disc 2, the door 6 is opened, the mounting box 3103 is pulled until the sliding seat 3102 is attached to the limiting block 3104, then the sample disc 2 is placed on the upper surface of the mounting box 3103, a proper amount of sampling test tubes 23 are selected to be inserted into the grooves 22, the first motor 3204 starts to work under the action of the gravity sensor 3207 to enable the double-threaded lead screw 3203 to start rotating, the moving seat 3202 drives the clamping seat 3205 to start moving under the action of the threads until the rubber pad 3206 is attached to the sample disc 2, and the sample disc 2 is fixed and positioned.

In this embodiment, as shown in fig. 5 to 7, the transportation assembly 41 includes a pump body 4101, the pump body 4101 is fixedly connected to the reagent sample adding box 1, a liquid outlet pipe of the pump body 4101 penetrates through the reagent sample adding box 1 and is fixedly provided with a liquid outlet pipe 4102, one end of the liquid outlet pipe 4102 is fixedly provided with a sample outlet box 4103, the inner wall of the sample outlet box 4103 is fixedly provided with a flow distribution plate 4104, the lower surface of the flow distribution plate 4104 is fixedly provided with a plurality of sample adding pipes 4105, one end of each sample adding pipe 4105 penetrates through the sample outlet box 4103, the sample adding pipes 4105 are fixedly provided with electromagnetic valves 4106, a liquid inlet hole of the pump body 4101 is fixedly provided with a telescopic insertion pipe 4108, and the inner wall of the telescopic insertion pipe 4108 is fixedly provided with a sealing gasket 4109.

Further, the storage assembly 42 includes a plurality of fixing seats 4201, the fixing seats 4201 are all fixedly connected to the reagent sampling box 1, inner walls of the fixing seats 4201 are all rotatably connected to form a placing seat 4202, a plurality of storage barrels 4203 are inserted into the placing seats 4202, upper surfaces of the placing seats 4202 are all provided with placing grooves 4206 corresponding to the storage barrels 4203, the storage barrels 4203 are all provided with barrel covers 4204 in a threaded connection manner, and the barrel covers 4204 are all rotatably connected to form insertion tubes 4205 corresponding to the telescopic insertion tubes 4108.

Further, drive assembly 43 includes fixed plate 4301, fixed plate 4301 and reagent sample adding box 1 fixed connection, the fixed surface of upper surface of fixed plate 4301 is equipped with motor two 4302, the fixed transmission shaft 4303 that is equipped with of output shaft of motor two 4302, transmission shaft 4303 is fixed and is equipped with a plurality of worms 4304, one side of worm 4304 all the toothing is equipped with worm wheel 4305, worm wheel 4305 all is fixed and is equipped with drive column 4306, the one end of drive column 4306 respectively with place seat 4202 fixed connection.

Specifically, before the sample addition process, the worker inserts the storage barrel 4203 storing the designated reagent into the placement slot 4206 on the placement base 4202, inserts the retractable insertion tube 4108 onto the insertion tube 4205, inputting relevant data on the electronic setting display 8, the pump body 4101 starts to operate to inject the reagent of the storage barrel 4203 into the upper surface of the flow plate 4104 in the sampling tank 4103 through the insertion tube 4205, the telescopic insertion tube 4108 and the drain tube 4102 in order, according to the relevant data input on the electronic setting display screen 8, the designated electromagnetic valve 4106 is opened, the reagent falls into the sampling test tube 23 through the sampling tube 4105, simultaneously the second motor 4302 starts to work to make the transmission shaft 4303 start to rotate, the transmission column 4306 drives the placing seat 4202 to start rotating under the transmission of the worm 4304 and the worm wheel 4305, the reservoir 4203 starts to rotate under the action of friction, which prevents the reagent from settling.

In this embodiment, as shown in fig. 8, the mechanical system 11 includes a top box 1101, a plurality of pillars 1102 are fixedly arranged at the top of the inner wall of the top box 1101, one end of each pillar 1102 is fixedly connected with the upper surface of the reagent sampling box 1, each pillar 1102 is sleeved with a connecting plate 1103, a plurality of connecting plates 1103 are fixedly arranged on the connecting plates 1103, springs 1105 are fixedly arranged on the upper surface and the lower surface of each connecting plate 1103, a plurality of cylinders 1106 are fixedly arranged on one side of each mounting plate 1104, one ends of the cylinders 1106 penetrate through the reagent sampling box 1 and are connected with the conveying assembly 41, a vibrating motor 1107 is fixedly arranged on one side of each mounting plate 1104 away from the corresponding cylinder 1106, and a penetrating groove corresponding to the mounting plate 1104 is arranged on the upper surface of the reagent sampling box 1.

Specifically, when the added reagent needs to be mixed, the relevant data is input on the electronic setting display screen 8, the air cylinder 1106 starts to work, the sample outlet box 4103 is pushed to start moving until the sample inlet tube 4105 is inserted into the sampling test tube 23, the vibration motor 1107 starts to work under the transmission of the mounting plate 1104, the air cylinder 1106 and the sample outlet box 4103 to start vibrating the sample inlet tube 4105, the actual mixing is carried out, meanwhile, the connecting plate 1103 starts to move under the guidance of the support column 1102, and the spring 1105 generates deformation to carry out buffering and energy absorption work.

In summary, the present invention saves time, reduces labor cost, makes experiment operation intelligent, and improves work efficiency under the combined application of the sample tray 2, the slide rail clamping member 3, the sample adding conveying component 4, the electronic setting display screen 8 and the mechanical system 11, and the sample adding tubes 4105 in the conveying component 41 correspond to the plurality of grooves 22 in the sample tray 2 one by one, so that reagent sample adding operation of a large number of samples can be performed simultaneously, manual repeated operation can be reduced, and the sheet making effect is more stable

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic sample adding device is characterized by comprising,

a reagent sample adding box (1);

a sample tray (2), the sample tray (2) being disposed inside the reagent addition chamber (1);

the slide rail clamping component (3), the slide rail clamping component (3) is arranged at the bottom of the inner wall of the reagent adding box (1), and the slide rail clamping component (3) comprises a slide rail assembly (31) and a clamping assembly (32) for fixing the sample disc (2);

the sample adding and conveying assembly (4), the sample adding and conveying assembly (4) is arranged on one side of the reagent sample adding box (1), and the sample adding and conveying assembly (4) comprises a conveying assembly (41), a storage assembly (42) and a driving assembly (43) for enabling the storage assembly (42) to generate angular displacement;

the temperature and humidity control system (5), the temperature and humidity control system (5) is arranged on the top of the inner wall of the reagent sample adding box (1);

the box door (6), the box door (6) is arranged on one side of the reagent sample adding box (1);

the mechanical system (11), the mechanical system (11) is arranged on the top of the reagent adding box (1), and at least part of the mechanical system (11) is connected with the conveying assembly (41).

2. The automatic sample adding device according to claim 1, further comprising:

a gate valve (7), the gate valve (7) being disposed between the reagent addition chamber (1) and the chamber door (6);

the electronic setting display screen (8), the electronic setting display screen (8) is arranged on one side of the box door (6);

the power switch assembly (9), the power switch assembly (9) is arranged on one side of the reagent sample adding box (1);

the reagent sample adding box comprises a warning component (10), wherein the warning component (10) is arranged on one side of the reagent sample adding box (1).

3. The automatic sample adding device according to claim 1, wherein the slide rail assembly (31) comprises two slide rails (3101), the slide rails (3101) are fixedly connected with the bottom of the inner wall of the reagent sample adding box (1), the two slide rails (3101) are slidably connected with a slide carriage (3102), a mounting box (3103) is fixedly arranged on one side of the slide carriage (3102), the clamping assembly (32) is arranged on the mounting box (3103), and a limiting block (3104) is fixedly arranged on one side of the slide rail (3101).

4. An automatic sample adding device according to claim 1 or 3, characterized in that the clamping assembly (32) comprises two chutes (3201), the sliding chutes (3201) are arranged on the upper surface of the mounting box (3103), the inner walls of the two sliding chutes (3201) are slidably connected with moving seats (3202), the two moving seats (3202) are in threaded connection with double-thread screw rods (3203), one end of the double-thread screw rod (3203) penetrates through the mounting box (3103) and is rotationally connected with the mounting box (3103) and is fixedly provided with a first motor (3204), and the motor I (3204) is fixedly connected with the mounting box (3103), the top of the moving seat (3202) is fixedly provided with a clamping seat (3205), and rubber pads (3206) are fixedly arranged on one sides of the clamping seats (3205), and a gravity sensor (3207) is fixedly arranged in the middle of the upper surface of the mounting box (3103).

5. The automatic sample adding device according to claim 1, wherein the conveying assembly (41) comprises a pump body (4101), the pump body (4101) is fixedly connected with the reagent sample adding box (1), a liquid outlet pipe of the pump body (4101) penetrates through the reagent sample adding box (1) and is fixedly provided with a liquid outlet pipe (4102), one end of the liquid outlet pipe (4102) is fixedly provided with a sample outlet box (4103), the inner wall of the sample outlet box (4103) is fixedly provided with a flow distribution plate (4104), the lower surface of the flow distribution plate (4104) is fixedly provided with a plurality of sample adding pipes (4105), one end of each sample adding pipe (4105) penetrates through the sample outlet box (4103), each sample adding pipe (4105) is fixedly provided with an electromagnetic valve (4106), a liquid inlet hole of the pump body (4101) is fixedly provided with a telescopic insertion pipe (4108), and a sealing gasket (4109) is fixedly provided on the inner wall of the telescopic insertion pipe (4108).

6. The automatic sample adding device according to claim 1 or 5, wherein the storage assembly (42) comprises a plurality of fixing seats (4201), each fixing seat (4201) is fixedly connected with the reagent sample adding box (1), each inner wall of each fixing seat (4201) is rotatably connected with a placing seat (4202), a plurality of storage barrels (4203) are inserted into the plurality of placing seats (4202), each placing groove (4206) corresponding to the storage barrel (4203) is arranged on the upper surface of each placing seat (4202), each storage barrel (4203) is provided with a barrel cover (4204) in a threaded connection manner, and each barrel cover (4204) is rotatably connected with a plug-in tube (4205) corresponding to the telescopic plug-in tube (4108).

7. The automatic sample adding device according to claim 1 or 6, wherein the driving assembly (43) comprises a fixing plate (4301), the fixing plate (4301) is fixedly connected with the reagent sample adding box (1), a second motor (4302) is fixedly arranged on the upper surface of the fixing plate (4301), a transmission shaft (4303) is fixedly arranged on an output shaft of the second motor (4302), a plurality of worms (4304) are fixedly arranged on the transmission shaft (4303), a worm wheel (4305) is in tooth joint with one side of each worm (4304), transmission columns (4306) are fixedly arranged on the worm wheels (4305), and one ends of the transmission columns (4306) are respectively and fixedly connected with a placing seat (4202).

8. An automatic sample adding device according to claim 1, wherein the sample tray (2) comprises a placing tray (21), the upper surface of the placing tray (21) is provided with a plurality of grooves (22), and a plurality of sampling test tubes (23) are inserted into the plurality of grooves (22).

9. An automatic sample adding device according to claim 1, characterized in that the mechanical system (11) comprises a top box (1101), a plurality of pillars (1102) are fixedly arranged on the top of the inner wall of the top box (1101), and one end of the support column (1102) is fixedly connected with the upper surface of the reagent sample adding box (1), the struts (1102) are respectively provided with a connecting plate (1103) in a sleeved mode, a plurality of connecting plates (1103) are fixedly provided with mounting plates (1104), springs (1105) are fixedly arranged on the upper surface and the lower surface of the connecting plate (1103), a plurality of cylinders (1106) are fixedly arranged on one side of the mounting plate (1104), one end of each of the plurality of air cylinders (1106) penetrates through the reagent adding box (1) and is connected with the conveying component (41), a vibrating motor (1107) is fixedly arranged on one side of the mounting plate (1104) far away from the cylinder (1106), the upper surface of the reagent sample adding box (1) is provided with a through groove corresponding to the mounting plate (1104).