Multi-sample rapid sample adding device for laboratory

The multi-sample rapid loading device addresses the limitations of existing devices by enabling separate handling of liquid and solid samples and automatic cleaning, ensuring efficient and contamination-free sampling operations.

CN119246879APending Publication Date: 2025-01-03ZHANG ZHOU HALTH VOCATIONAL COLLEGE
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Patent Information

Application Number
CN202411209728.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-08-30
Publication Date
2025-01-03

AI Technical Summary

Technical Problem

Existing laboratory sample adding devices are limited to handling only liquid samples and cannot effectively handle powdered solid samples, leading to contamination issues between different types of samples due to lack of automatic cleaning mechanisms.

Method used

A multi-sample rapid loading device with rotating and moving mechanisms for switching between liquid and powder sampling components, along with a cleaning mechanism to flush and dry sample tubes, ensuring separate handling and cleaning of liquid and solid samples.

Benefits of technology

Enables efficient sampling of both liquid and solid samples while preventing contamination by allowing seamless switching between sampling modes and providing thorough cleaning and drying of sample tubes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a multi-sample rapid sample adding device for a laboratory, and relates to the technical field of experimental equipment, the multi-sample rapid sample adding device comprises a U-shaped base, one side of the upper end of the U-shaped base is provided with a hollow groove column, the lower end of the hollow groove column is provided with a rotating disc, the rotating disc is rotatably connected with the U-shaped base, and the U-shaped base is provided with a rotating mechanism for driving the hollow groove column to rotate. By arranging the liquid sample adding assembly and the powder sample adding assembly, a liquid sample and a solid powder sample can be sampled respectively during use, and meanwhile, by arranging a switching gear, a rack and a first electric cylinder, the working states of the liquid sample adding assembly and the powder sample adding assembly can be switched during use; free switching can be carried out according to the types of samples during use, the limitation that only liquid samples can be added in the prior art is solved, and the liquid sample adding device is more convenient to use.
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Description

Technical Field

[0001] The invention relates to the technical field of experimental equipment, in particular to a multi-sample rapid sample adding device for a laboratory. Background Art

[0002] A laboratory is a place where experiments are conducted. During the experiment, experimental samples need to be added to the experimental equipment.

[0003] For example, the prior art CN216082791U proposes an automatic sample loading device, which includes a box body and a mounting seat. Electric push rods are fixedly installed at both ends of the top of the box body, a partition is fixedly connected to the top of the electric push rods, and a motor is fixedly installed at the top right end of the partition. The device can automatically load liquid samples.

[0004] However, when the existing technology is used, it can only perform sampling operations on liquid samples. In laboratory experiments, there are not only liquid samples but also powdered solid samples, which leads to certain defects in application. At the same time, when the existing technology is actually used, it is impossible to automatically clean the inside of the sampling tube, so that when different types of samples are sampled, samples may be contaminated with each other. In response to the above problems, we provide a laboratory multi-sample rapid sampling device to solve the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide a multi-sample rapid sample adding device for laboratory use to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A multi-sample rapid loading device for a laboratory comprises a U-shaped base, a hollow slot column is arranged on one side of the upper end of the U-shaped base, a turntable is arranged at the lower end of the hollow slot column, the turntable is rotatably connected to the U-shaped base, and a rotating mechanism for driving the hollow slot column to rotate is arranged on the U-shaped base;

[0008] A threaded seat is slidably connected in the hollow slot column, a track arm is fixedly connected to the threaded seat, a first screw rod is threadedly connected in the hollow slot column, the first screw rod is threadedly connected to the threaded seat, a first motor for driving the first screw rod to rotate is provided at the upper end of the hollow slot column, a mounting block is slidably connected to the slide rail on the track arm, and a moving mechanism for driving the mounting block to move along the track arm is provided on the track arm;

[0009] The mounting block is provided with a sample adding mechanism for extracting samples.

[0010] As a further solution of the present invention: the rotating mechanism includes a driving gear, which is fixedly connected to the upper end of the turntable at the lower end of the hollow groove column, and a second motor is provided on the upper end surface of the U-shaped base near the driving gear. A motor gear is provided at the output end of the second motor, and the motor gear is meshed with the driving gear.

[0011] As a further solution of the present invention: the moving mechanism includes a third motor, the third motor is installed at one end of the track arm away from the hollow slot column, the output end of the third motor is installed with a second screw rod, the end of the second screw rod away from the third motor is rotatably connected to the threaded seat, and the second screw rod is threadedly connected to the mounting block.

[0012] As a further solution of the present invention: the sample loading mechanism includes a rotating shaft, which is rotatably connected to the upper and lower ends of the mounting block respectively, and switching arms are fixedly connected to the two rotating shafts, and the two switching arms are arranged in parallel. A liquid sample loading assembly for collecting liquid samples is provided between one ends of the switching arms, and a powder sample loading assembly for collecting powder is provided between the other ends of the switching arms. A switching gear is fixedly connected to one end of the rotating shaft, and a first electric cylinder is fixedly connected to one side of the mounting block. A rack is provided at the output end of the first electric cylinder, and the rack is meshed with the switching gear.

[0013] As a further solution of the present invention: the liquid loading assembly includes a first loading tube, which is arranged between one end of two switching arms, and the switching arm is rotatably connected to the first loading tube. A second electric cylinder is installed at the upper end of the first loading tube, and a piston is installed at the output end of the second electric cylinder. The piston is slidably connected to the first loading tube, and a suction tube connected to the first loading tube is provided at the lower end of the first loading tube. A first connecting tube is connected to the lower end of one side of the first loading tube, and a first battery valve is provided at a position of the first connecting tube close to the first loading tube.

[0014] As a further solution of the present invention: the powder feeding assembly includes a second feeding tube, which is arranged at a position between the other ends of the two switching arms, and the second feeding tube is rotatably connected to the end of the switching arm. A fourth motor is installed at the upper end of the second feeding tube, and the lower end of the second feeding tube is connected to a feeding tube. A rotating shaft is provided at the output end of the fourth motor, and a spiral feeding piece is provided at a position where the rotating shaft is located inside the feeding tube. Inlet and outlet are provided on both sides of the lower end of the feeding tube, and an outer sleeve is slidably connected to the inlet and outlet. A third electric cylinder for driving the outer sleeve to move up and down is provided on one side of the second feeding tube, and a second connecting pipe is connected to one side of the upper end of the second feeding tube.

[0015] As a further solution of the present invention: a cleaning mechanism for cleaning the inside of the first sample tube and the second sample tube is provided on the track arm, and the cleaning mechanism includes a water tank, which is installed on a side of the track arm away from the track, a water inlet is provided on one side of the upper end of the water tank, a water pump is provided on the other side of the upper end surface of the water tank, and the input end of the water pump extends to the bottom of the water tank, a telescopic plate is installed at a position of the upper end surface of the track arm close to the hollow groove column, a fourth electric cylinder for pushing the inner plate of the telescopic plate to lift and lower is installed inside the telescopic plate, a nozzle is fixedly connected to the upper end of the inner plate of the telescopic plate, a plug connector is provided at the lower end of the nozzle, and a hose is connected to the upper end of the nozzle, a hot air blower is also installed on one side of the track arm, the output end of the hot air blower is connected to the hose, the water pump output pipe is connected to the hose, the water pump output pipe and the hot air blower output end are both provided with a second battery valve, and the upper end surface of the U-shaped base is provided with a collecting component for collecting cleaning waste water.

[0016] As a further solution of the present invention: the collecting assembly includes a collecting bucket, a collecting pipe is provided at the upper end of the collecting bucket, a conical cover is provided at the upper end of the collecting pipe, a handle is also provided on the upper end surface of the collecting bucket, and a groove is provided on the upper end surface of the U-shaped base for placing the collecting bucket.

[0017] As a further solution of the present invention: the upper end surface of the U-shaped base is provided with a plurality of placement grooves for placing sample containers.

[0018] As a further solution of the present invention: a controller is also provided on the hollow slot column, and the second motor, the third motor, the first motor, the first electric cylinder, the second electric cylinder, the fourth motor and the third electric cylinder are all electrically connected to the controller.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. The present invention can sample liquid samples and solid powder samples respectively by providing a liquid sampling component and a powder sampling component when in use. At the same time, the switching gear, the rack and the first electric cylinder can switch the working states of the liquid sampling component and the powder sampling component when in use, so that they can be freely switched according to the type of sample during use, which solves the limitation of the prior art that only liquid samples can be sampled, and is more convenient to use.

[0021] 2. The present invention provides a cleaning mechanism to flush the inside of the first sample tube and the second sample tube during use, thereby cleaning out the residual sample to avoid reaction with other samples or contamination of other samples when obtaining other samples. At the same time, the hot air blower can deliver hot air to the hose, thereby drying the inside of the first sample tube and the second sample tube to avoid residual water stains. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the present invention.

[0023] Figure 2 It is a schematic structural diagram of the hollow slot column in the present invention.

[0024] Figure 3 It is a structural schematic diagram of the sample adding mechanism in the present invention.

[0025] Figure 4 It is a schematic diagram of the local structure in the present invention.

[0026] Figure 5 It is a schematic diagram of the structure of the liquid sample adding component in the present invention.

[0027] Figure 6 It is a schematic diagram of the structure of the powder sample adding component in the present invention.

[0028] Figure 7 Schematic diagram of the internal structure of the second sample adding tube in the present invention.

[0029] Figure 8 It is a structural schematic diagram of the cleaning mechanism in the present invention.

[0030] Fig. 9 It is a schematic diagram of the cross-sectional structure of the telescopic plate in the present invention.

[0031] Wherein: 101, U-shaped base; 102, placement slot; 103, hollow slot column; 104, first motor; 105, track arm; 106, mounting block; 107, first screw rod;

[0032] 200, rotating mechanism; 201, second motor; 202, driving gear;

[0033] 300, collecting assembly; 301, collecting bucket; 302, collecting tube;

[0034] 400, moving mechanism; 401, second screw rod; 402, third motor;

[0035] 500, sample loading mechanism; 501, rotating shaft; 502, first electric cylinder; 503, switching gear; 504, rack; 505, switching arm;

[0036] 510, liquid sample adding assembly; 511, first sample adding tube; 512, piston; 513, suction tube; 514, second electric cylinder; 515, first connecting tube; 516, first battery valve;

[0037] 520, powder material adding component; 521, second connecting pipe; 522, material taking pipe; 523, third electric cylinder; 524, outer sleeve; 525, spiral material picking piece; 526, inlet and outlet; 527, second adding pipe; 528, fourth motor;

[0038] 600, cleaning mechanism; 601, water tank; 602, hot air blower; 603, second battery valve; 604, plug connector; 605, water pump; 606, telescopic plate; 6061, fourth electric cylinder; 607, hose. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] See also Figure 1-Figure 9 In an embodiment of the present invention, a multi-sample rapid loading device for laboratory use includes a U-shaped base 101, a hollow slot column 103 is provided on one side of the upper end of the U-shaped base 101, a turntable is provided at the lower end of the hollow slot column 103, the turntable is rotatably connected to the U-shaped base 101, and a rotating mechanism 200 for driving the hollow slot column 103 to rotate is provided on the U-shaped base 101; a plurality of placement slots 102 for placing sample containers are opened on the upper end surface of the U-shaped base 101; the required experimental samples can be placed through the provided placement slots 102 when in use, and the provided rotating mechanism 200 can drive the hollow slot column 103 to rotate, so that the track arm 105 can swing, thereby facilitating the loading of samples into the experimental equipment.

[0041] The rotating mechanism 200 includes a driving gear 202, which is fixedly connected to the upper end of the turntable at the lower end of the hollow slot column 103. A second motor 201 is provided at a position on the upper end surface of the U-shaped base 101 near the driving gear 202. A motor gear is provided at the output end of the second motor 201, and the motor gear is meshed with the driving gear 202. When the track arm 105 needs to swing, the second motor 201 drives the motor gear to rotate, and the motor gear drives the driving gear 202 to rotate. The rotation of the driving gear 202 can drive the hollow slot column 103 to rotate, and the rotation of the hollow slot column 103 drives the track arm 105 to swing.

[0042] A threaded seat is slidably connected in the hollow slot column 103, and a track arm 105 is fixedly connected to the threaded seat. A first screw rod 107 is threadedly connected in the hollow slot column 103, and the first screw rod 107 is threadedly connected to the threaded seat. A first motor 104 for driving the first screw rod 107 to rotate is provided at the upper end of the hollow slot column 103, and a mounting block 106 is slidably connected to the slide rail on the track arm 105. The track arm 105 is provided with a moving mechanism 400 for driving the mounting block 106 to move along the track arm 105; when it is necessary to lift the mounting block 106, the first motor 104 drives the first screw rod 107 to rotate, and the rotation of the first screw rod 107 drives the threaded seat to move up and down, and the up and down movement of the threaded seat can drive the track arm 105 to move up and down. At the same time, the moving mechanism 400 can be set to drive the mounting block 106 to move along the slide rail during operation.

[0043] The moving mechanism 400 includes a third motor 402, which is installed at one end of the track arm 105 away from the hollow slot column 103. A second screw rod 401 is installed at the output end of the third motor 402. The end of the second screw rod 401 away from the third motor 402 is rotatably connected to a threaded seat, and the second screw rod 401 is threadedly connected to the mounting block 106. When working, the third motor 402 drives the second screw rod 401 to rotate, and the rotation of the second screw rod 401 can drive the mounting block 106 to move along the slide rail on the track arm 105.

[0044] The mounting block 106 is provided with a sample loading mechanism 500 for extracting samples; the sample loading mechanism 500 includes a rotating shaft 501, the rotating shaft 501 is rotatably connected to the upper end and the lower end of the mounting block 106, and the two rotating shafts 501 are fixedly connected with switching arms 505, and the two switching arms 505 are arranged in parallel, and a liquid loading component 510 for collecting liquid samples is provided between one end of the switching arms 505, and a powder loading component 520 for collecting powder is provided between the other ends of the switching arms 505. 01 is fixedly connected to one end with a switching gear 503, and the mounting block 106 is fixedly connected to one side with a first electric cylinder 502. A rack 504 is provided at the output end of the first electric cylinder 502, and the rack 504 is meshed with the switching gear 503. When in use, the first electric cylinder 502 drives the rack 504 to move, and the movement of the rack 504 drives the switching gear 503 to rotate. The rotation of the switching gear 503 can drive the switching arm 505 to tilt, so that the liquid loading component 510 and the powder loading component 520 can be switched when in use.

[0045] The liquid sample addition component 510 includes a first sample addition tube 511, which is arranged between one end of two switching arms 505, and the switching arm 505 is rotatably connected to the first sample addition tube 511. A second electric cylinder 514 is installed on the upper end of the first sample addition tube 511, and a piston 512 is installed on the output end of the second electric cylinder 514. The piston 512 is slidably connected to the first sample addition tube 511. A suction tube 513 connected to the first sample addition tube 511 is provided at the lower end of the first sample addition tube 511. A first connecting tube 515 is connected to the lower end of one side of the first sample addition tube 511, and a first battery valve 516 is provided at a position of the first connecting tube 515 close to the first sample addition tube 511. When collecting liquid samples, the second electric cylinder 514 drives the piston 512 to move upward, and when the piston 512 moves upward, the liquid can be sucked into the first sample addition tube 511 through the suction tube 513, thereby realizing the collection of liquid samples.

[0046] The powder material adding component 520 includes a second adding tube 527, which is arranged between the other ends of the two switching arms 505. The second adding tube 527 is rotatably connected to the end of the switching arm 505. A fourth motor 528 is installed on the upper end of the second adding tube 527. The lower end of the second adding tube 527 is connected to a feeding tube 522. A rotating shaft is arranged at the output end of the fourth motor 528. A spiral material picking piece 525 is arranged at the position of the rotating shaft located inside the feeding tube 522. Inlet and outlet 526 are arranged on both sides of the lower end of the feeding tube 522. An outer sleeve 524 is slidably connected to the inlet and outlet 526. A third electric cylinder 523 is provided on one side of the second sample adding tube 527 for driving the outer sleeve 524 to move up and down. A second connecting pipe 521 is connected to one side of the upper end of the second sample adding tube 527. When collecting solid powder samples, the third electric cylinder 523 drives 5224 to move upward to expose the inlet and outlet 526, and then the fourth motor 528 drives the spiral material-pickup piece 525 to rotate. The spiral material-pickup piece 525 rotates to transport the powder to the inside of the second sample adding tube 527, thereby completing the collection of the powder. After the collection is completed, the third electric cylinder 523 drives the outer sleeve 524 to descend to close the inlet and outlet 526 to prevent the powder from leaking out during the movement.

[0047] The rail arm 105 is provided with a cleaning mechanism 600 for cleaning the inside of the first sample tube 511 and the second sample tube 527. The cleaning mechanism 600 includes a water tank 601, which is installed on the side of the rail arm 105 away from the rail. A water inlet is provided on one side of the upper end of the water tank 601, and a water pump 605 is provided on the other side of the upper end surface of the water tank 601. The input end of the water pump 605 extends to the bottom of the water tank 601. A telescopic plate is installed on the upper end surface of the rail arm 105 near the hollow slot column 103. 606, a fourth electric cylinder 6061 is installed inside the telescopic plate 606 for pushing the inner plate of the telescopic plate 606 to move up and down, a nozzle is fixedly connected to the upper end of the inner plate of the telescopic plate 606, a plug connector 604 is provided at the lower end of the nozzle, and a hose 607 is connected to the upper end of the nozzle, a hot air blower 602 is also installed on one side of the track arm 105, the output end of the hot air blower 602 is connected to the hose 607, the output pipe of the water pump 605 is connected to the hose 607, and the positions of the output pipe of the water pump 605 and the output end of the hot air blower 602 are both provided with The second battery valve 603, the upper end surface of the U-shaped base 101 is provided with a collecting assembly 300 for collecting cleaning waste water. When it is necessary to clean the inside of the first sample tube 511 or the second sample tube 527, the second connecting tube 521 or the first connecting tube 515 is first moved to the position below the plug connector 604, and then the fourth electric cylinder 6061 drives the plug connector 604 to descend and dock with the second connecting tube 521 or the first connecting tube 515. After the docking is completed, the water pump 605 transports the cleaning liquid to the hose 607, and then the plug connector 604 is connected to the second connecting tube 521 or the first connecting tube 515. The battery is transported to the plug connector 604 through the hose 607, and enters the second sample tube 527 or the first sample tube 511 through the second connecting tube 521 or the first connecting tube 515 for flushing. After the flushing is completed, the water pump 605 is turned off, and the battery valve on the water pump 605 is closed. At the same time, the second battery valve 603 on the output pipe of the hot air blower 602 is opened, and the hot air generated by the hot air blower 602 is blown to the first sample tube 511 or the second sample tube 527 to dry the inside of the first sample tube 511 or the second sample tube 527.

[0048] The collecting assembly 300 includes a collecting barrel 301, a collecting tube 302 is provided at the upper end of the collecting barrel 301, a conical cover is provided at the upper end of the collecting tube 302, a handle is also provided on the upper end surface of the collecting barrel 301, and a groove is provided on the upper end surface of the U-shaped base 101 for placing the collecting barrel 301; a controller is also provided on the hollow groove column 103, and the second motor 201, the third motor 402, the first motor 104, the first electric cylinder 502, the second electric cylinder 514, the fourth motor 528 and the third electric cylinder 523 are all electrically connected to the controller; the set collecting barrel 301 and the collecting tube 302 can collect the flushing waste water when in use, and the handle provided on the upper end of the collecting barrel 301 facilitates the movement of the collecting barrel 301 for easy dumping.

[0049] The working principle of the present invention is as follows: during operation, the sample required for the experiment is placed inside the placement slot 102. When a liquid sample needs to be collected for sampling, the second electric cylinder 514 drives the piston 512 to move upward. When the piston 512 moves upward, the liquid can be sucked into the first sampling tube 511 through the suction tube 513. Then the rotating mechanism 200 and the moving mechanism 400 move the liquid sampling assembly 510 to the position of the experimental equipment. Then the output end of the second electric cylinder 514 is pushed out to drive the piston 512 to move downward to add the liquid sample to the experimental equipment. When powder needs to be added, the first electric cylinder 502 drives the rack 504 moves, and the movement of the rack 504 drives the switching gear 503 to rotate. The rotation of the switching gear 503 can drive the switching arm 505 to tilt, thereby switching the powder loading assembly 520 to the working position, and then the third electric cylinder 523 drives 5224 to move upward to expose the inlet and outlet 526, and then the fourth motor 528 drives the spiral material plucking piece 525 to rotate, and the spiral material plucking piece 525 rotates to transport the powder to the inside of the second loading tube 527, thereby completing the collection of the powder. After the collection is completed, the third electric cylinder 523 drives the outer sleeve 524 to descend to close the inlet and outlet 526, and then 200 and the moving mechanism 400 transfer the powder sample adding assembly 520 to the experimental equipment position, and then the fourth motor 528 reverses to add the powder in the second sample adding tube 527 to the experimental equipment to complete the powder sample adding. When it is necessary to clean the inside of the first sample adding tube 511 or the second sample adding tube 527, first move the second connecting tube 521 or the first connecting tube 515 to the position below the plug connector 604, and then the fourth electric cylinder 6061 drives the plug connector 604 to descend and dock with the second connecting tube 521 or the first connecting tube 515. After the docking is completed, the water pump 605 transports the cleaning liquid to the hose 607, and then through the hose The battery valve on the water pump 605 is closed, and the second battery valve 603 on the output pipe of the hot air blower 602 is opened. The hot air generated by the hot air blower 602 is blown to the first sample tube 511 or the second sample tube 527 to dry the first sample tube 511 or the second sample tube 527. The waste water from flushing can be collected when in use by the provided collection barrel 301 and the collection pipe 302.

[0050] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Although this specification is described in accordance with the implementation modes, not every implementation mode includes only one technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A multi-sample rapid loading device for laboratory use, comprising a U-shaped base (101), wherein a hollow groove column (103) is provided on one side of the upper end of the U-shaped base (101), and a turntable is provided at the lower end of the hollow groove column (103), and the turntable is rotatably connected to the U-shaped base (101), characterized in that; The U-shaped base (101) is provided with a rotating mechanism (200) for driving the hollow slot column (103) to rotate; A threaded seat is slidably connected inside the hollow slot column (103), a track arm (105) is fixedly connected to the threaded seat, a first screw rod (107) is threadedly connected inside the hollow slot column (103), the first screw rod (107) is threadedly connected to the threaded seat, a first motor (104) for driving the first screw rod (107) to rotate is provided at the upper end of the hollow slot column (103), a mounting block (106) is slidably connected to the slide rail on the track arm (105), and a moving mechanism (400) for driving the mounting block (106) to move along the track arm (105) is provided on the track arm (105); The mounting block (106) is provided with a sample adding mechanism (500) for extracting samples.

2. A laboratory multi-sample rapid loading device according to claim 1, characterized in that: The rotating mechanism (200) comprises a driving gear (202), wherein the driving gear (202) is fixedly connected to the upper end of the rotating disk at the lower end of the hollow groove column (103), and a second motor (201) is provided at a position close to the driving gear (202) on the upper end surface of the U-shaped base (101), and a motor gear is provided at the output end of the second motor (201), and the motor gear is meshed with the driving gear (202).

3. A laboratory multi-sample rapid loading device according to claim 2, characterized in that: The moving mechanism (400) comprises a third motor (402), the third motor (402) being mounted at one end of the track arm (105) away from the hollow slot column (103), a second screw rod (401) being mounted at the output end of the third motor (402), an end of the second screw rod (401) away from the third motor (402) being rotatably connected to a threaded seat, and the second screw rod (401) being threadably connected to the mounting block (106).

4. A laboratory multi-sample rapid loading device according to claim 3, characterized in that: The sample loading mechanism (500) comprises a rotating shaft (501), wherein the rotating shaft (501) is rotatably connected to the upper end and the lower end of the mounting block (106) respectively, and the two rotating shafts (501) are fixedly connected to a switching arm (505), and the two switching arms (505) are arranged in parallel, and a liquid loading assembly (510) for collecting liquid samples is arranged between one end of the switching arm (505), and a powder loading assembly (520) for collecting powder is arranged between the other end of the switching arm (505), and a switching gear (503) is fixedly connected to one end of the rotating shaft (501), and a first electric cylinder (502) is fixedly connected to one side of the mounting block (106), and a rack (504) is arranged at the output end of the first electric cylinder (502), and the rack (504) is meshed with the switching gear (503).

5. A laboratory multi-sample rapid loading device according to claim 4, characterized in that: The liquid sample adding component (510) comprises a first sample adding tube (511), the first sample adding tube (511) is arranged between one end of two switching arms (505), the switching arm (505) is rotatably connected to the first sample adding tube (511), a second electric cylinder (514) is installed at the upper end of the first sample adding tube (511), a piston (512) is installed at the output end of the second electric cylinder (514), the piston (512) is slidably connected to the first sample adding tube (511), a suction tube (513) connected to the first sample adding tube (511) is provided at the lower end of the first sample adding tube (511), a first connecting tube (515) is connected to one side of the first sample adding tube (511), and a first battery valve (516) is provided at a position of the first connecting tube (515) close to the first sample adding tube (511).

6. A laboratory multi-sample rapid loading device according to claim 5, characterized in that: The powder material sample adding component (520) comprises a second sample adding tube (527), the second sample adding tube (527) is arranged between the other ends of the two switching arms (505), the second sample adding tube (527) is rotatably connected to the end of the switching arm (505), a fourth motor (528) is installed at the upper end of the second sample adding tube (527), the lower end of the second sample adding tube (527) is connected to a material taking tube (522), a rotating shaft is arranged at the output end of the fourth motor (528), a spiral material picking piece (525) is arranged at the position of the rotating shaft located inside the material taking tube (522), both sides of the lower end of the material taking tube (522) are provided with an inlet and outlet (526), ​​an outer sleeve (524) is slidably connected to the inlet and outlet (526), ​​a third electric cylinder (523) is arranged on one side of the second sample adding tube (527) for driving the outer sleeve (524) to move up and down, and a second connecting tube (521) is connected to one side of the upper end of the second sample adding tube (527).

7. A laboratory multi-sample rapid loading device according to claim 6, characterized in that: The track arm (105) is provided with a cleaning mechanism (600) for cleaning the inside of the first sample addition tube (511) and the second sample addition tube (527). The cleaning mechanism (600) comprises a water tank (601). The water tank (601) is installed on a side of the track arm (105) away from the track. A water inlet is provided on one side of the upper end of the water tank (601). A water pump (605) is provided on the other side of the upper end surface of the water tank (601). The input end of the water pump (605) extends to the bottom of the water tank (601). A telescopic plate (606) is installed on the upper end surface of the track arm (105) near the hollow slot column (103). A device for pushing the water in the telescopic plate (606) is installed inside the telescopic plate (606). A fourth electric cylinder (6061) is provided for lifting the inner plate of the telescopic plate (606); a nozzle is fixedly connected to the upper end of the inner plate of the telescopic plate (606); a plug connector (604) is provided at the lower end of the nozzle; a hose (607) is connected to the upper end of the nozzle; a hot air blower (602) is also installed on one side of the track arm (105); an output end of the hot air blower (602) is connected to the hose (607); an output pipe of the water pump (605) is connected to the hose (607); a second battery valve (603) is provided at the positions of the output pipe of the water pump (605) and the output end of the hot air blower (602); and a collection assembly (300) for collecting cleaning waste water is provided on the upper end surface of the U-shaped base (101).

8. A laboratory multi-sample rapid loading device according to claim 7, characterized in that: The collecting assembly (300) comprises a collecting barrel (301), a collecting pipe (302) is provided at the upper end of the collecting barrel (301), a conical cover is provided at the upper end of the collecting pipe (302), a handle is also provided at the upper end surface of the collecting barrel (301), and a groove for placing the collecting barrel (301) is provided at the upper end surface of the U-shaped base (101).

9. A laboratory multi-sample rapid loading device according to claim 1, characterized in that: The upper end surface of the U-shaped base (101) is provided with a plurality of placement grooves (102) for placing sample containers.

10. The multi-sample rapid loading device for laboratory use according to claim 7, characterized in that: A controller is also provided on the hollow slot column (103); the second motor (201), the third motor (402), the first motor (104), the first electric cylinder (502), the second electric cylinder (514), the fourth motor (528) and the third electric cylinder (523) are all electrically connected to the controller.