CN215170679U

CN215170679U - Liquid chromatograph pump flow calibrating device

Info

Publication number: CN215170679U
Application number: CN202023209463.9U
Authority: CN
Inventors: 赵治兵; 韩璐; 韩晖; 刘莹
Original assignee: Guiyang University
Current assignee: Guiyang University
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-12-14
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a liquid chromatograph pump flow calibrating device, including under casing, fixed establishment, aligning gear and filtering mechanism, the top of under casing is seted up flutedly, and the inside of recess is rotated and is connected with the spliced pole, and the inboard of spliced pole is rotated and is connected with the support column, and support column and recess fixed connection, and the top of spliced pole is equipped with the workstation, and the workstation rotates with the support column to be connected, and the workstation rotates with the under casing to be connected, and the inside symmetry of workstation is equipped with fixed establishment, the beneficial effects of the utility model are that: through having added No. two gears, realized that a gear drives the spliced pole and rotates, through having added cylinder, realized that a slider drives the connecting box and removes, through having added the fixed block, realized the fixed of fixed block to the liquid chromatograph pump, through having added a sealed tube, No. two sealed tubes, realized sealing up liquid outlet and inlet to the liquid chromatograph pump, through having added the filter screen, realized the cyclic utilization of filter screen to waste water.

Description

Liquid chromatograph pump flow calibrating device

Technical Field

The utility model relates to a flow calibration technical field specifically is a liquid chromatograph pump flow calibrating device.

Background

Liquid chromatograph utilizes the mixture to distribute the difference of proportion between liquid, solid or two kinds of liquid that are immiscible, separates earlier the mixture, and then the instrument of assay, and the liquid chromatograph pump is important subassembly, and current liquid chromatograph pump need carry out flow calibration, but current flow calibration device calibration efficiency is lower, and current flow calibration device is not convenient for waste liquid cyclic utilization, causes the waste.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid chromatograph pump flow calibrating device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a liquid chromatograph pump flow calibration device comprises a bottom box, a fixing mechanism, a calibration mechanism and a filtering mechanism, wherein a groove is formed in the top of the bottom box, a connecting column is rotatably connected inside the groove, a supporting column is rotatably connected to the inner side of the connecting column and fixedly connected with the groove, a workbench is arranged at the top of the connecting column and rotatably connected with the supporting column, the workbench is rotatably connected with the bottom box, the fixing mechanism is symmetrically arranged inside the workbench, a first gear is arranged outside the connecting column, a first motor is arranged inside the bottom box, a rotating shaft is arranged at the output end of the first motor, a second gear is arranged outside the rotating shaft and meshed with the first gear, a first air cylinder is arranged inside the supporting column, and a first sliding block is fixedly connected to the output end of the first air cylinder, and a slider and a support column sliding connection, one side of a slider is equipped with calibration mechanism, one side of under casing is equipped with the storage water tank, the top of storage water tank is equipped with the water pump, one side of storage water tank is equipped with the drain pipe, the drain pipe leads to pipe with the water pump to be connected, the top of storage water tank is equipped with filtering mechanism.

As a preferred embodiment of the present invention: the calibration mechanism comprises a connecting box, one side of the first sliding block is provided with the connecting box, the connecting box is in sliding connection with the support column, the inside of the connecting box is provided with a second motor, the inside of the connecting box is rotatably connected with a first bidirectional screw rod, the outer side of the first bidirectional screw rod is in threaded connection with a second sliding block, the second sliding block is in sliding connection with the connecting box, the outer side of the first bidirectional screw rod is in symmetrical threaded connection with the second sliding block and is provided with a third sliding block, the third sliding block is in sliding connection with the connecting box, the bottom of the second sliding block is provided with a second connecting plate, one side of the second connecting plate is provided with a third air cylinder, the output end of the third air cylinder is provided with a second sealing pipe, the bottom of the third sliding block is provided with a first connecting plate, one side of the first connecting plate is provided with a second air cylinder, and the output end of the second air cylinder is provided with a first sealing pipe, the liquid outlet has all been seted up to one side of a sealed tube and No. two sealed tubes, the top of storage water tank is equipped with leads to the liquid pipe, and leads to the liquid pipe and be connected with the water pump, be equipped with the flowmeter on the liquid pipe, lead to liquid pipe and No. two sealed tubes and lead to water piping connection.

As a preferred embodiment of the present invention: the fixed establishment includes two-way lead screw No. two, the inside of workstation is rotated and is connected with two-way lead screw No. two, one side of workstation is equipped with the motor No. three, and the output of motor No. three and two-way lead screw fixed connection No. two, the outside symmetrical threaded connection of two-way lead screw has slider No. four, and slider and workstation sliding connection No. four, the top of slider No. four is equipped with the fixed block.

As a preferred embodiment of the present invention: the filtering mechanism includes the rose box, the top of storage water tank is equipped with the rose box, one side of rose box is equipped with a feed liquor pipe, and a feed liquor pipe leads to pipe with a sealed tube and is connected, the inside of rose box is equipped with three baffle, be equipped with three filter screen between the inner wall of baffle and rose box, the inside of filter screen is equipped with granular activated carbon, rearmounted activated carbon, milipore filter respectively, the bottom of rose box is equipped with the feed liquor pipe No. two, and the rose box is through feed liquor pipe No. two and storage water tank connection.

As a preferred embodiment of the present invention: the inside sliding connection of connecting box has the slide bar, and the one end and the storage water tank fixed connection of slide bar.

As a preferred embodiment of the present invention: one side of under casing is equipped with control panel, a motor, a cylinder, No. two motors, No. two cylinders, No. three motors, water pump and flowmeter all with control panel electric connection.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of simple structure, it is novel and strong in practicability, through having added No. two gears, realized that a gear drives the spliced pole and rotates, through having added a cylinder, realized that a slider drives the connecting box and removes, through having added the fixed block, the fixed block is fixed to the liquid chromatograph pump has been realized, through having added a sealed tube, No. two sealed tubes, sealed to liquid chromatograph pump outlet and inlet has been realized, through having added the filter screen, the cyclic utilization of filter screen to waste water has been realized, through having added control panel, control panel has realized control panel and has concentrated controlling means.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is a left side view of the workbench of the present invention.

In the figure: 1. a bottom box; 2. a groove; 3. connecting columns; 4. a first gear; 5. a first motor; 6. a second gear; 7. a work table; 8. a support pillar; 9. a first cylinder; 10. a first sliding block; 11. a connecting box; 12. a second motor; 13. a second sliding block; 14. a first bidirectional screw rod; 15. a third sliding block; 16. a first connecting plate; 17. a second cylinder; 18. a first sealing tube; 19. a slide bar; 20. a second connecting plate; 21. A second sealing tube; 22. a third cylinder; 23. a first liquid inlet pipe; 24. a water storage tank; 25. a liquid outlet pipe; 26. a second bidirectional screw rod; 27. a third motor; 28. a fixed block; 29. a fourth slider; 30. a filter box; 31. a water pump; 32. a liquid pipe is communicated; 33. a flow meter; 34. a baffle plate; 35. a second liquid inlet pipe; 36. A control panel; 37. and (4) a filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a liquid chromatograph pump flow calibration device comprises a bottom box 1, a fixing mechanism, a calibration mechanism and a filtering mechanism, wherein a groove 2 is formed in the top of the bottom box 1, a connecting column 3 is rotatably connected inside the groove 2, a supporting column 8 is rotatably connected to the inner side of the connecting column 3, the supporting column 8 is fixedly connected with the groove 2, a workbench 7 is arranged on the top of the connecting column 3, the workbench 7 is rotatably connected with the supporting column 8, the workbench 7 is rotatably connected with the bottom box 1, the fixing mechanism is symmetrically arranged inside the workbench 7, a first gear 4 is arranged on the outer side of the connecting column 3, a first motor 5 is arranged inside the bottom box 1, a rotating shaft is arranged at the output end of the first motor 5, a second gear 6 is arranged on the outer side of the rotating shaft, the second gear 6 is meshed with the first gear 4, the second gear 6 drives the first gear 4 to rotate, the first gear 4 drives the workbench 7 to rotate through the connecting column 3, improved calibration efficiency, the inside of support column 8 is equipped with cylinder 9 No. one, slider 10 of output fixedly connected with of cylinder 9 No. one, and slider 10 and support column 8 sliding connection, one side of slider 10 is equipped with calibration mechanism, one side of under casing 1 is equipped with storage water tank 24, storage water tank 24's top is equipped with water pump 31, one side of storage water tank 24 is equipped with drain pipe 25, drain pipe 25 leads to pipe with water pump 31 and is connected, storage water tank 24's top is equipped with filtering mechanism.

The calibration mechanism comprises a connecting box 11, one side of a first sliding block 10 is provided with the connecting box 11, the connecting box 11 is connected with a support column 8 in a sliding manner, the inside of the connecting box 11 is provided with a second motor 12, the inside of the connecting box 11 is rotatably connected with a first bidirectional screw rod 14, the outer side of the first bidirectional screw rod 14 is in threaded connection with a second sliding block 13, the second sliding block 13 is in sliding connection with the connecting box 11, the outer side of the first bidirectional screw rod 14 is in threaded connection with a third sliding block 15 symmetrically with the second sliding block 13, the third sliding block 15 is in sliding connection with the connecting box 11, the bottom of the second sliding block 13 is provided with a second connecting plate 20, one side of the second connecting plate 20 is provided with a third air cylinder 22, the output end of the third air cylinder 22 is provided with a second sealing pipe 21, the bottom of the third sliding block 15 is provided with a first connecting plate 16, one side of the first connecting plate 16 is provided with a second air cylinder 17, the output end of the second air cylinder 17 is provided with a first sealing pipe 18, liquid outlets are formed in one side of the first sealing pipe 18 and one side of the second sealing pipe 21, a liquid through pipe 32 is arranged at the top of the water storage tank 24, the liquid through pipe 32 is connected with a water pump 31, a flow meter 33 is arranged on the liquid through pipe 32, the liquid through pipe 32 is connected with the second sealing pipe 21 through a water pipe, the flow meter 33 can conveniently detect the flow in the liquid through pipe 32, the detection efficiency is improved, the fixing mechanism comprises a second bidirectional screw rod 26, the inside of the workbench 7 is rotatably connected with the second bidirectional screw rod 26, a third motor 27 is arranged at one side of the workbench 7, the output end of the third motor 27 is fixedly connected with the second bidirectional screw rod 26, a fourth sliding block 29 is symmetrically and threadedly connected to the outer side of the second bidirectional screw rod 26, the fourth sliding block 29 is slidably connected with the workbench 7, a fixing block 28 is arranged at the top of the fourth sliding block 29, and the fixing mechanism can conveniently fix the liquid chromatograph pump on the workbench 7, the stability of the liquid chromatograph pump detection is improved, the filtering mechanism comprises a filtering box 30, the top of a water storage tank 24 is provided with the filtering box 30, one side of the filtering box 30 is provided with a first liquid inlet pipe 23, the first liquid inlet pipe 23 is connected with a first sealing pipe 18 through a water pipe, three baffles 34 are arranged inside the filtering box 30, three filtering screens 37 are arranged between the baffles 34 and the inner wall of the filtering box 30, the inside of each filtering screen 37 is respectively provided with granular active carbon, postpositional active carbon and an ultrafiltration membrane, the bottom of the filtering box 30 is provided with a second liquid inlet pipe 35, the filtering box 30 is connected with the water storage tank 24 through the second liquid inlet pipe 35, the filtering screens 37 can conveniently filter the wastewater in the filtering box 30, the utilization rate of the wastewater is improved, the inside of the connecting box 11 is connected with a sliding rod 19 in a sliding manner, one end of the sliding rod 19 is fixedly connected with the water storage tank 24, and the sliding rod 19 can conveniently limit the position of the connecting box 11, the safety of junction box 11 has been improved, and one side of under casing 1 is equipped with control panel 36, a motor 5, a cylinder 9, No. two motors 12, No. two cylinders 17, No. three cylinders 22, No. three motor 27, water pump 31 and flowmeter 33 all with control panel 36 electric connection, the control panel 36 of being convenient for carries out centralized control to the device, has improved the security performance and the work efficiency of device.

Specifically, when in use, the liquid chromatograph pump requiring flow calibration is placed on the workbench 7, the third motor 27 is started through the control panel 36, the third motor 27 drives the second bidirectional screw rod 26 to rotate, the second bidirectional screw rod 26 drives the fourth slider 29 to move, the fourth slider 29 drives the fixing block 28 to stabilize the liquid chromatograph pump, the first motor 5 is started, the first motor 5 drives the second gear 6 to rotate through the rotating shaft, the second gear 6 drives the first gear 4 to rotate, the first gear 4 drives the workbench 7 to rotate through the connecting column 3, the workbench 7 drives the fixing mechanism of the liquid chromatograph pump to rotate to the lower part of the connecting box 11, the liquid chromatograph pump requiring calibration is continuously placed into the fixing mechanism at the other side, the first cylinder 9 is started, the first cylinder 9 drives the first slider 10 to move, the first slider 10 drives the calibration mechanism to move downwards, the second motor 12 is started, the second motor 12 drives the first bidirectional screw rod 14 to rotate, the first bidirectional screw rod 14 drives the second slider 13 and the third slider 15 to move, the second slider 13 drives the second connecting plate 20 to move to a proper position, the third cylinder 22 is started, the third cylinder 22 drives the second sealing tube 21 to be fixed with a liquid inlet of a liquid chromatograph pump, the third slider 15 drives the first connecting plate 16 to move to a proper position, the second cylinder 17 is started, the second cylinder 17 drives the first sealing tube 18 to be fixed with a liquid outlet of the liquid chromatograph pump, the water pump 31 is started, the water in the water storage tank 24 is pumped out by the water pump 31 through the liquid outlet tube 25, the water enters the liquid through the water pump 31, the flow meter 33 detects the flow in the liquid through tube 32, the water in the liquid through tube 32 enters the second sealing tube 21 through the water pipe, the water enters the liquid chromatograph pump through the liquid outlet on the second sealing tube 21, and the liquid chromatograph pump detects the flow of the water inside, compare with the numerical value on the flowmeter 33 to adjust, in water got into a sealed tube 18 through the liquid chromatograph pump, water in a sealed tube 18 got into feed liquor pipe 23 No. one through the water pipe, and in water got into rose box 30, water filtered waste water through filter screen 37 between the baffle 34, and water after the filtration was through No. two feed liquor pipes 35 entering storage water tank 24, the recycle.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A liquid chromatograph pump flow calibrating device comprises a bottom case (1), a fixing mechanism, a calibrating mechanism and a filtering mechanism, and is characterized in that a groove (2) is formed in the top of the bottom case (1), a connecting column (3) is rotatably connected to the inside of the groove (2), a supporting column (8) is rotatably connected to the inner side of the connecting column (3), the supporting column (8) is fixedly connected with the groove (2), a workbench (7) is arranged at the top of the connecting column (3), the workbench (7) is rotatably connected with the supporting column (8), the workbench (7) is rotatably connected with the bottom case (1), the fixing mechanism is symmetrically arranged inside the workbench (7), a first gear (4) is arranged on the outer side of the connecting column (3), a first motor (5) is arranged inside the bottom case (1), and a rotating shaft is arranged at the output end of the first motor (5), the outside of pivot is equipped with No. two gear (6), and No. two gear (6) are connected with a gear (4) meshing, the inside of support column (8) is equipped with cylinder (9) No. one, slider (10) of output fixedly connected with of cylinder (9), and slider (10) and support column (8) sliding connection, one side of slider (10) is equipped with calibration mechanism, one side of under casing (1) is equipped with storage water tank (24), the top of storage water tank (24) is equipped with water pump (31), one side of storage water tank (24) is equipped with drain pipe (25), drain pipe (25) and water pump (31) water piping connection, the top of storage water tank (24) is equipped with filter mechanism.

2. The pump flow calibration apparatus for liquid chromatograph of claim 1, wherein: the calibration mechanism comprises a connecting box (11), one side of the first sliding block (10) is provided with the connecting box (11), the connecting box (11) is connected with a support column (8) in a sliding manner, the inside of the connecting box (11) is provided with a second motor (12), the inside of the connecting box (11) is rotatably connected with a first bidirectional screw rod (14), the outer side of the first bidirectional screw rod (14) is in threaded connection with a second sliding block (13), the second sliding block (13) is connected with the connecting box (11) in a sliding manner, the outer side of the first bidirectional screw rod (14) is in symmetric threaded connection with the second sliding block (13) and is provided with a third sliding block (15), the third sliding block (15) is in sliding connection with the connecting box (11), the bottom of the second sliding block (13) is provided with a second connecting plate (20), one side of the second connecting plate (20) is provided with a third air cylinder (22), the output end of the third air cylinder (22) is provided with a second sealing pipe (21), the bottom of No. three slider (15) is equipped with connecting plate (16) No. one, one side of connecting plate (16) is equipped with No. two cylinder (17), the output of No. two cylinder (17) is equipped with stand pipe (18) No. one, the liquid outlet has all been seted up to one side of stand pipe (18) and No. two stand pipe (21), the top of storage water tank (24) is equipped with liquid pipe (32), and liquid pipe (32) are connected with water pump (31), be equipped with flowmeter (33) on liquid pipe (32), liquid pipe (32) and No. two stand pipe (21) lead to water piping connection.

3. The pump flow calibration apparatus for liquid chromatograph of claim 2, wherein: fixed establishment includes two-way lead screw (26) No. two, the inside of workstation (7) is rotated and is connected with two-way lead screw (26) No. two, one side of workstation (7) is equipped with motor (27) No. three, and the output of motor (27) and two-way lead screw (26) fixed connection No. two, the outside symmetry threaded connection of two-way lead screw (26) has slider (29) No. four, and slider (29) and workstation (7) sliding connection No. four, the top of slider (29) No. four is equipped with fixed block (28).

4. The pump flow calibration apparatus for liquid chromatograph of claim 2, wherein: the filtering mechanism comprises a filtering box (30), the top of the water storage tank (24) is provided with the filtering box (30), one side of the filtering box (30) is provided with a liquid inlet pipe (23), the liquid inlet pipe (23) is connected with a sealing pipe (18) through a water pipe, the inside of the filtering box (30) is provided with three baffles (34), three filter screens (37) are arranged between the inner walls of the baffles (34) and the filtering box (30), the inside of the filter screens (37) is respectively provided with granular activated carbon, rear activated carbon and ultrafiltration membranes, the bottom of the filtering box (30) is provided with two liquid inlet pipes (35), and the filtering box (30) is connected with the water storage tank (24) through two liquid inlet pipes (35).

5. The pump flow calibration apparatus for liquid chromatograph of claim 2, wherein: the inside sliding connection of connecting box (11) has slide bar (19), and the one end and the storage water tank (24) fixed connection of slide bar (19).

6. The apparatus of claim 3, wherein the pump flow calibration apparatus comprises: one side of under casing (1) is equipped with control panel (36), No. one motor (5), cylinder (9), No. two motor (12), No. two cylinder (17), No. three cylinder (22), No. three motor (27), water pump (31) and flowmeter (33) all with control panel (36) electric connection.