Automatic sample adding system for laboratory

Abstract

The invention discloses a laboratory automatic sample adding system, and relates to the technical field of experimental equipment, the laboratory automatic sample adding system comprises a bottom plate, universal wheels are mounted at four corners of the lower end surface of the bottom plate, a hollow vertical plate is fixedly connected to one side of the upper end of the bottom plate, and a lifting plate is slidably connected in the hollow vertical plate; a lifting assembly used for lifting the lifting plate is arranged in the hollow vertical plate. A top box is fixedly connected to the upper end of the lifting plate, a transverse plate is slidably connected into the top box, and a rack is fixedly connected to the upper end of the transverse plate. The multiple sample bottles are arranged and matched with the constant delivery pump, the third hose, the suction pipe and the first one-way valve at the same time, different samples can be conveyed into the embedded pipe during working, so that different types of samples can be rapidly added into an experimental instrument during practical application, manual sampling and sample adding are not needed during sample adding, and the working efficiency is improved. And the system can automatically extract a sample for sample adding, so that the convenience of the experiment is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of experimental equipment, in particular to an automatic sample adding system for a laboratory. Background Art

[0002] The laboratory is a place where experiments are conducted. The laboratory is the cradle of science, the base of scientific research, the place that scientific and technological workers yearn for and follow, and an important place for high-level academic exchanges. In the process of conducting experiments, it is necessary to add experimental samples to the experimental equipment;

[0003] For example, the prior art CN217431745U proposes a universal laboratory polymerization adjustable stable self-sampling device, comprising a base plate, a connecting plate fixedly installed on the top surface of the base plate, a catheter fixing device fixedly installed on the top surface of the base plate, and a locking mechanism provided on the outer side wall of the catheter fixing device. The device can be moved to different instruments for sample loading through a set slide rail.

[0004] However, the above-mentioned prior art still has certain defects in application. In some complex experiments, it is often necessary to add a variety of different types of samples, and the prior art can only add one sample at a time when applied, and the use is relatively limited. At the same time, the prior art can only perform sample addition operations from top to bottom when applied, and the sample addition ports of some experimental instruments are not open upward. In the face of this type of experimental instruments, the prior art cannot be applied. In response to the above problems, we provide a laboratory automated sample addition system to solve the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide a laboratory automated sample loading system 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 laboratory automated sample loading system, comprising a bottom plate, four corners of the bottom plate lower end surface are equipped with universal wheels, one side of the top of the bottom plate is fixedly connected to a hollow vertical plate, a lifting plate is slidably connected inside the hollow vertical plate, and a lifting component for lifting the lifting plate is provided inside the hollow vertical plate;

[0008] The upper end of the lifting plate is fixedly connected to a top box, a horizontal plate is slidably connected inside the top box, a rack is fixedly connected to the upper end of the horizontal plate, both sides of the top box are provided with avoidance grooves for avoiding the rack, and a driving component for cooperating with the rack to drive the horizontal plate to move horizontally is provided inside the top box;

[0009] An embedded tube is provided inside the horizontal plate, one end of the horizontal plate is rotatably connected to a rotating shaft, a strip block is fixedly connected to the rotating shaft, a sample tube is slidably connected inside the strip block, one side of the strip block is provided with an electric push rod for driving the sample tube to move up and down, a first hose is connected to the upper end of the sample tube, an end of the first hose away from the sample tube is connected to one end of the embedded tube, and an adjustment component for adjusting the angle of the strip block is provided at the end of the horizontal plate;

[0010] The bottom plate is provided with a sample delivery component for delivering the sample into the embedded tube.

[0011] As a further solution of the present invention: the lifting assembly includes a second threaded rod, which is rotatably connected to a position on one side of the hollow vertical plate, a threaded seat is fixedly connected to one side of the lower end of the lifting plate, the threaded seat is threadedly connected to the second threaded rod, and a second motor is provided on one side of the upper end surface of the hollow vertical plate for driving the second threaded rod to rotate.

[0012] As a further solution of the present invention: the driving assembly includes a reduction motor, the reduction motor is installed at a position on one side of the top box, the position where the output end of the reduction motor penetrates into the top box is fixedly connected with a gear, and the gear is meshed with a rack.

[0013] As a further solution of the present invention: the adjustment component includes a driving arm, the driving arm is fixedly connected to one end of the rotating shaft, one side of the cross plate is rotatably connected to an electric cylinder, and the output end of the electric cylinder is rotatably connected to the lower end of the driving arm.

[0014] As a further solution of the present invention: the sample delivery component includes a plurality of placement tubes, which are distributed in a ring shape, and horizontal plates are placed inside the placement tubes. A lifting plate is provided above the sample bottle, and a moving component for moving the lifting plate up and down is also provided on one side of the hollow vertical plate. The lifting plate is provided with a pumping component for pumping the sample inside the sample bottle into the embedded tube.

[0015] As a further solution of the present invention: the moving assembly includes a first threaded rod, which is arranged at one side of the hollow vertical plate, and both ends of the first threaded rod are provided with a rotating seat, and the rotating seat is fixedly connected to the hollow vertical plate, and a first motor for driving the first threaded rod to rotate is installed on the upper end of one side of the hollow vertical plate, and a lifting seat is threadedly connected to the first threaded rod, and the lifting seat is fixedly connected to the lifting plate, and the two side surfaces of the hollow vertical plate are also provided with sliding rails slidably connected to the lifting seat.

[0016] As a further solution of the present invention: the pumping assembly includes a lifting plate, on which are mounted a number of metering pumps matching the number of sample bottles, a suction tube being fixedly connected to the suction end of the metering pump, a third hose being connected to the output end of the metering pump, the upper ends of the third hoses being respectively connected to the embedded tubes, and a first one-way valve being provided at the upper ends of the third hoses.

[0017] As a further solution of the present invention: a flushing component for flushing the embedded pipe is also provided on the bottom plate.

[0018] As a further solution of the present invention: the flushing assembly includes a water tank, which is fixed at a position on one side of the bottom plate, a water pump is installed at the upper end of the water tank, the water pump input end extends to the bottom of the water tank, a second hose is provided at the output end of the water pump, the upper end of the second hose is connected to the embedded pipe, a second one-way valve is provided at the upper end of the second hose, and a water inlet is provided on one side of the water tank.

[0019] As a further solution of the present invention: the universal wheels are all provided with clips for fixing the wheels.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. The present invention provides multiple sample bottles, and cooperates with a quantitative pump, a third hose, a suction tube and a first one-way valve to transport different samples into the embedded tube during operation, so that in practical applications, different types of samples can be quickly added to the experimental instrument. At the same time, there is no need for manual sampling and adding when adding samples. The system can automatically extract samples for sampling, which greatly improves the convenience of the experiment.

[0022] 2. The electric cylinder and driving arm provided in the present invention can adjust the tilt angle of the strip block during operation, and then the electric push rod drives the sample tube to move, so that the sample tube can be inserted into some sample port tilting experimental instruments for sample addition, which effectively improves the applicability of the system.

[0023] 3. The second hose, water pump, water tank and second one-way valve provided in the present invention can transport flushing liquid to the inside of the embedded tube during operation, thereby flushing the embedded tube, the first hose and the sample addition tube, thereby avoiding the situation where samples react with each other and contaminate each other when different samples are extracted. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the present invention.

[0025] Figure 2 It is a structural schematic diagram of the mobile component in the present invention.

[0026] Figure 3 It is a structural schematic diagram of the lifting plate in the present invention.

[0027] Figure 4 It is a schematic diagram of the local structure in the present invention.

[0028] Figure 5 It is a structural schematic diagram of the lifting assembly in the present invention.

[0029] Figure 6 It is a schematic diagram of the structure of the driving component in the present invention.

[0030] Figure 7 It is a schematic diagram of the structure of the sample adding tube in the present invention.

[0031] Figure 8 It is a schematic diagram of the structure when the sample bottle is taken out in the present invention.

[0032] Wherein: 1. bottom plate; 2. hollow vertical plate; 3. lifting plate; 4. electric cylinder; 5. driving arm; 6. sample tube; 7. electric push rod; 8. first hose; 9. rack; 10. horizontal plate; 11. top box; 12. reduction motor; 13. embedded tube; 14. bar block; 15. second hose; 16. water pump; 17. water tank; 18. universal wheel; 19. sample bottle; 20. placement tube; 21. quantitative pump; 22. lifting plate; 23. third hose; 24. first threaded rod; 25. first motor; 26. second motor; 27. slide rail; 28. lifting seat; 29. ​​suction tube; 30. first one-way valve; 31. second one-way valve; 32. second threaded rod; 33. threaded seat; 34. gear; 35. rotating shaft. DETAILED DESCRIPTION

[0033] 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.

[0034] See also Figure 1-Figure 8 In an embodiment of the present invention, a laboratory automated sample loading system includes a base plate 1, and universal wheels 18 are installed at four corners of the lower end surface of the base plate 1. The universal wheels 18 are provided with clips for fixing the wheels; the base plate 1 can be moved by the universal wheels 18 to improve the flexibility of use.

[0035] A hollow vertical plate 2 is fixedly connected to one side of the upper end of the base plate 1, a lifting plate 3 is slidably connected inside the hollow vertical plate 2, and a lifting component for lifting the lifting plate 3 is provided inside the hollow vertical plate 2; the lifting component includes a second threaded rod 32, the second threaded rod 32 is rotatably connected to a position on one side of the hollow vertical plate 2, a threaded seat 33 is fixedly connected to one side of the lower end of the lifting plate 3, the threaded seat 33 is threadedly connected to the second threaded rod 32, and a second motor 26 for driving the second threaded rod 32 to rotate is provided on one side of the upper end surface of the hollow vertical plate 2; when the lifting plate 3 needs to be lifted and lowered, the lifting seat 28 drives the second threaded rod 32 to rotate, the rotation of the second threaded rod 32 drives the threaded seat 33 to move up and down, and the up and down movement of the threaded seat 33 can drive the lifting plate 3 to move up and down.

[0036] The upper end of the lifting plate 3 is fixedly connected to a top box 11, and a cross plate 10 is slidably connected inside the top box 11. A rack 9 is fixedly connected to the upper end of the cross plate 10. Avoidance grooves for avoiding the rack 9 are provided on both sides of the top box 11. A driving component for cooperating with the rack 9 to drive the cross plate 10 to move horizontally is provided inside the top box 11; the driving component includes a reduction motor 12, and the reduction motor 12 is installed at a position on one side of the top box 11. A gear 34 is fixedly connected to the position where the output end of the reduction motor 12 penetrates into the top box 11, and the gear 34 is meshed with the rack 9; when the cross plate 10 needs to be moved horizontally, the reduction motor 12 drives the gear 34 to rotate, and the rotation of the gear 34 can drive the rack 9 to move, and the movement of the rack 9 can drive the cross plate 10 to move.

[0037] An embedded tube 13 is provided inside the transverse plate 10, one end of the transverse plate 10 is rotatably connected to a rotating shaft 35, a bar block 14 is fixedly connected to the rotating shaft 35, a sample tube 6 is slidably connected in the bar block 14, one side of the bar block 14 is provided with an electric push rod 7 for driving the sample tube 6 to move up and down, the upper end of the sample tube 6 is connected to a first hose 8, and the end of the first hose 8 away from the sample tube 6 is connected to one end of the embedded tube 13, and the end of the transverse plate 10 is provided with an adjustment component for adjusting the angle of the bar block 14; the adjustment component includes a driving arm 5, the driving arm 5 is fixedly connected to the position of one end of the rotating shaft 35, one side of the transverse plate 10 is rotatably connected to an electric cylinder 4, and the output end of the electric cylinder 4 is rotatably connected to the lower end of the driving arm 5; the inclination angle of the bar block 14 can be adjusted during operation by the provided electric cylinder 4 and the driving arm 5, and then the sample tube 6 is driven to move by the electric push rod 7, so that the sample tube 6 can be deeply inserted into some sample port tilting experimental instruments for sample addition.

[0038] The bottom plate 1 is provided with a sample delivery component for delivering samples to the embedded tube 13; the sample delivery component includes a plurality of placement tubes 20, which are distributed in a ring shape, and a horizontal plate 10 is placed inside each of the placement tubes 20. A lifting plate 22 is provided above the sample bottle 19, and a moving component for moving the lifting plate 22 up and down is also provided on one side of the hollow vertical plate 2. A pumping component for pumping the sample inside the sample bottle 19 to the embedded tube 13 is provided on the lifting plate 22; by providing a plurality of sample bottles 19, different samples can be loaded during use, and at the same time, in conjunction with the pumping component, different samples can be transported to the embedded tube 13 during operation, so that different types of samples can be quickly added to the experimental instrument in actual application.

[0039] The moving assembly includes a first threaded rod 24, which is arranged at one side of the hollow vertical plate 2. Both ends of the first threaded rod 24 are provided with a rotating seat, which is fixedly connected to the hollow vertical plate 2. A first motor 25 for driving the first threaded rod 24 to rotate is installed on the upper end of one side of the hollow vertical plate 2. A lifting seat 28 is threadedly connected to the first threaded rod 24, and the lifting seat 28 is fixedly connected to the lifting plate 22. The two side surfaces of the hollow vertical plate 2 are also provided with slide rails 27 slidably connected to the lifting seat 28; when working, the first motor 25 drives the first threaded rod 24 to rotate, the rotation of the first threaded rod 24 drives the lifting seat 28 to lift, and the lifting seat 28 lifts and lowers to drive the lifting plate 22 to lift, and the sample bottle 19 can be taken out after the lifting plate 22 is lifted.

[0040] The pumping assembly includes a lifting plate 22, on which are mounted a plurality of metering pumps 21 matching the number of sample bottles 19, a suction pipe 29 being fixedly connected to the suction end of the metering pump 21, a third hose 23 being connected to the output end of the metering pump 21, the upper ends of the third hoses 23 being respectively communicated with the embedded tubes 13, and the upper ends of the third hoses 23 are each provided with a first one-way valve 30; during operation, the metering pump 21 above the corresponding sample bottle 19 is opened as required, the metering pump 21 pumps the sample in the sample bottle 19 to the embedded tube 13, and then discharges it from the sample addition tube 6 into the experimental instrument, and since each metering pump 21 can control the pumping of a sample, rapid addition of different samples can be achieved during operation.

[0041] The bottom plate 1 is also provided with a flushing assembly for flushing the embedded tube 13; the flushing assembly includes a water tank 17, the water tank 17 is fixed at a position on one side of the bottom plate 1, a water pump 16 is installed at the upper end of the water tank 17, the input end of the water pump 16 extends to the bottom of the water tank 17, the output end of the water pump 16 is provided with a second hose 15, the upper end of the second hose 15 is connected to the embedded tube 13, the upper end of the second hose 15 is provided with a second one-way valve 31, and one side of the water tank 17 is provided with a water inlet; when it is necessary to clean the sample tube 6, the first hose 8 and the embedded tube 13, the water pump 16 pumps the cleaning liquid in the water tank 17 to the second hose 15, and then pumps it to the embedded tube 13 through the second hose 15, and then enters the first hose 8 and the sample tube 6, thereby realizing the flushing of the sample tube 6, the first hose 8 and the embedded tube 13, which can effectively avoid mutual reaction and contamination between samples during use.

[0042] The working principle of the present invention is as follows: when in use, first add the required different types of samples into the multiple sample bottles 19, then adjust the height and lateral position of the sample adding tube 6 according to the position of the experimental instrument, after the adjustment is completed, the driving arm 5 is pushed by the electric cylinder 4 to move, and the movement of the driving arm 5 can drive the bar block 14 to adjust the angle, so that the angle of the sample adding tube 6 matches the sample adding port of the experimental instrument, and then the electric push rod 7 drives the sample adding tube 6 to go deep into the instrument, and when adding samples, the quantitative pump 21 above the corresponding sample bottle 19 is turned on, and the quantitative pump 21 moves the sample The sample in the sample bottle 19 is pumped to the embedded tube 13, and then discharged from the sample adding tube 6 into the experimental instrument. Since each quantitative pump 21 can control the pumping of one sample, fast sampling of different samples can be achieved during operation. When it is necessary to clean the sample adding tube 6, the first hose 8 and the embedded tube 13, the water pump 16 pumps the cleaning liquid in the water tank 17 to the second hose 15, and then pumps it to the embedded tube 13 through the second hose 15, and then enters the first hose 8 and the sample adding tube 6, thereby achieving the flushing of the sample adding tube 6, the first hose 8 and the embedded tube 13.

[0043] 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 laboratory automated sample loading system, comprising a base plate (1), wherein a hollow vertical plate (2) is fixedly connected to one side of the upper end of the base plate (1). It is characterized by: A lifting plate (3) is slidably connected inside the hollow vertical plate (2), and a lifting component for lifting the lifting plate (3) is provided inside the hollow vertical plate (2); The upper end of the lifting plate (3) is fixedly connected to a top box (11), a transverse plate (10) is slidably connected inside the top box (11), a rack (9) is fixedly connected to the upper end of the transverse plate (10), both sides of the top box (11) are provided with avoidance grooves for avoiding the rack (9), and a driving component for cooperating with the rack (9) to drive the transverse plate (10) to move horizontally is provided inside the top box (11); An embedded tube (13) is provided inside the transverse plate (10), one end of the transverse plate (10) is rotatably connected to a rotating shaft (35), a bar block (14) is fixedly connected to the rotating shaft (35), a sample tube (6) is slidably connected inside the bar block (14), one side of the bar block (14) is provided with an electric push rod (7) for driving the sample tube (6) to move up and down, the upper end of the sample tube (6) is connected to a first hose (8), one end of the first hose (8) away from the sample tube (6) is connected to one end of the embedded tube (13), and an adjustment component for adjusting the angle of the bar block (14) is provided at the end of the transverse plate (10); The bottom plate (1) is provided with a sample delivery component for delivering samples into the embedded tube (13).

2. A laboratory automated sample loading system according to claim 1, It is characterized in that The lifting assembly comprises a second threaded rod (32), the second threaded rod (32) being rotatably connected to a position on one side of the hollow vertical plate (2), a threaded seat (33) being fixedly connected to one side of the lower end of the lifting plate (3), the threaded seat (33) being threadedly connected to the second threaded rod (32), and a second motor (26) for driving the second threaded rod (32) to rotate is provided on one side of the upper end surface of the hollow vertical plate (2).

3. A laboratory automated sample loading system according to claim 1, It is characterized in that The driving assembly comprises a reduction motor (12), the reduction motor (12) being mounted at a position on one side of the top box (11), and a gear (34) being fixedly connected to the position where the output end of the reduction motor (12) penetrates into the top box (11), and the gear (34) is meshed with a rack (9).

4. A laboratory automated sample loading system according to claim 1, It is characterized in that The adjustment assembly comprises a driving arm (5), wherein the driving arm (5) is fixedly connected to one end of a rotating shaft (35), one side of the transverse plate (10) is rotatably connected to an electric cylinder (4), and an output end of the electric cylinder (4) is rotatably connected to a lower end of the driving arm (5).

5. A laboratory automated sample loading system according to claim 1, It is characterized in that The sample delivery component comprises a plurality of placement tubes (20), the placement tubes (20) are distributed in a ring shape, a horizontal plate (10) is placed inside each of the placement tubes (20), a lifting plate (22) is provided above the sample bottle (19), a moving component for moving the lifting plate (22) up and down is also provided on one side of the hollow vertical plate (2), and a pumping component for pumping the sample inside the sample bottle (19) into the embedded tube (13) is provided on the lifting plate (22).

6. A laboratory automated sample loading system according to claim 5, It is characterized in that The moving assembly comprises a first threaded rod (24), the first threaded rod (24) being arranged at a position on one side of the hollow vertical plate (2), a rotating seat being arranged at both ends of the first threaded rod (24), the rotating seat being fixedly connected to the hollow vertical plate (2), a first motor (25) for driving the first threaded rod (24) to rotate being installed at the upper end of one side of the hollow vertical plate (2), a lifting seat (28) being threadedly connected to the first threaded rod (24), the lifting seat (28) being fixedly connected to the lifting plate (22), and slide rails (27) being slidably connected to the lifting seat (28) are also arranged on both side surfaces of the hollow vertical plate (2).

7. A laboratory automated sample loading system according to claim 5, It is characterized in that The pumping assembly comprises a lifting plate (22), on which a plurality of metering pumps (21) matching the number of sample bottles (19) are mounted, a suction pipe (29) being fixedly connected to the suction end of the metering pump (21), a third hose (23) being connected to the output end of the metering pump (21), the upper ends of the third hoses (23) being respectively connected to the embedded tubes (13), and the upper ends of the third hoses (23) being provided with first one-way valves (30).

8. A laboratory automated sample loading system according to claim 1, It is characterized in that The bottom plate (1) is also provided with a flushing component for flushing the embedded tube (13).

9. A laboratory automated sample loading system according to claim 8, It is characterized in that The flushing assembly comprises a water tank (17), the water tank (17) being fixed at a position on one side of the base plate (1), a water pump (16) being installed at the upper end of the water tank (17), the input end of the water pump (16) extending to the bottom of the water tank (17), a second hose (15) being provided at the output end of the water pump (16), the upper end of the second hose (15) being connected to the embedded pipe (13), a second one-way valve (31) being provided at the upper end of the second hose (15), and a water inlet being provided at one side of the water tank (17).

10. A laboratory automated sample loading system according to claim 1, It is characterized in that Universal wheels (18) are installed at four corners of the lower end surface of the base plate (1), and clips for fixing the wheels are provided on the universal wheels (18).

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