CN219512262U - Sample injection structure of full-automatic tester - Google Patents
Sample injection structure of full-automatic tester Download PDFInfo
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- CN219512262U CN219512262U CN202320425076.3U CN202320425076U CN219512262U CN 219512262 U CN219512262 U CN 219512262U CN 202320425076 U CN202320425076 U CN 202320425076U CN 219512262 U CN219512262 U CN 219512262U
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- mechanical arm
- sample injection
- axis mechanical
- sample
- needle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model discloses a sample injection structure of a full-automatic tester, which comprises: a sample injection structure of a fully automatic tester, comprising: the transmission device moves along the X, Y, Z axis direction respectively, the transmission device is provided with a sample injection needle in the Z axis direction, and the transmission device is controlled by the X, Y, Z axis direction, so that the sample injection needle can sample and collect the solvents in the test cups at different positions; the transmission device comprises a Z-axis mechanical arm, the Z-axis mechanical arm is connected with a disc driven by a motor through a transmission line, and the lifting of the Z-axis mechanical arm is controlled according to different rotation directions. The device adopts the triaxial arm to allie oneself with the location altogether, makes advance the needle and fixes a position more accurately when detecting, and wherein Z axle arm adopts the transmission line to carry out connection control, through the flexible conduction motion of inside sinle silk, drives Z axle arm and removes, has optimized the mechanical arm in the ascending transmission structure of vertical direction for advance the volume of structure less.
Description
Technical Field
The utility model relates to an anion surfactant survey field especially relates to a full-automatic tester's sampling structure.
Background
The anion surfactant tester plays a great role in monitoring the effect of the active agent, the existing anion surfactant tester is regulated in a single-station mode, the sample injection needle above the tester is enabled to perform liquid pumping or sample injection through rotating the inner disc sample rack, different sample racks are required to be replaced or the sample injection needle is moved to perform sample extraction through guide rail transmission in order to measure sample reagents with different requirements, the sample container and the needle washer are connected to the outer side of the tester again, the liquid injection cleaning or reagent replacement is performed through the inner pump body, and the connecting structure of the tester is redundant and complicated and has large volume.
The applicant applied for an in-water anionic surfactant tester with a publication number of CN211235899U, and samples are introduced through a rotary table system and a sample injection needle above the rotary table system, and a sample injection structure of the tester descends through a computer-controlled mechanical arm, so that the sample injection needle extends into a sample cup of a rotary tray below, the sample injection structure is positioned above the rotary tray, and the whole volume of the device is larger due to the larger sample injection structure.
Disclosure of Invention
The utility model aims to optimize the defects in the prior art, and provides a sample injection structure of a full-automatic tester.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a sample injection structure of a fully automatic tester, comprising: the transmission device moves along the X, Y, Z axis direction respectively, a sample injection needle is arranged in the Z axis direction of the transmission device, and the transmission device is controlled by the X, Y, Z axis direction, so that the sample injection needle can sample and collect solvents in test cups at different positions;
the transmission device comprises a Z-axis mechanical arm, the Z-axis mechanical arm is connected with a disc driven by a motor through a transmission line, and the lifting of the Z-axis mechanical arm is controlled according to different rotation directions.
As a further description of the above technical solution: the transmission line comprises a wire core shell at the outer side and a wire core at the inner side, wherein the wire core is connected with the Z-axis mechanical arm and controls the Z-axis mechanical arm to lift.
As a further description of the above technical solution: the Z-axis mechanical arm moves in the vertical direction through the guide rod,
and an X-axis mechanical arm and a Y-axis mechanical arm for movement in a plane,
the Z-axis mechanical arm is connected with the guide rail of the X-axis mechanical arm through a sliding block,
the X-axis mechanical arm is connected with the Y-axis mechanical arm through a bearing roller,
the Z-axis mechanical arm is provided with a replaceable sample injection needle which is installed through a liquid suction slide seat, and the sample injection needle is lifted through the lifting of the Z-axis mechanical arm.
As a further description of the above technical solution: a damping platform is arranged below the transmission device; the top of the damping platform is provided with a sample rack.
As a further description of the above technical solution: the sample frame is provided with a through hole, the side wall of the sample container used for containing the sample container is provided with a limiting ring, and the diameter of the limiting ring is larger than that of the through hole.
As a further description of the above technical solution: the upper surface of shock attenuation platform is equipped with and is used for fixing a plurality of spacing post of sample frame.
As a further description of the above technical solution: the upper surface of the damping platform is provided with a needle washing container for washing the sample injection needle.
As a further description of the above technical solution: the water inlet of the needle washing container is connected with a peristaltic pump.
As a further description of the above technical solution: and two pipelines are connected below the peristaltic pump and respectively connected with the needle washing container and the pure water container for pure water sample injection.
As a further description of the above technical solution: the needle washing container is provided with an overflow pipe and a drain valve.
The technical scheme has the following advantages or beneficial effects:
1. adopt triaxial arm to allie oneself with the location altogether, make advance needle location more accurate when detecting, wherein Z axle arm adopts the transmission line to carry out connection control, through the flexible conduction motion of inside sinle silk, drives Z axle arm and removes, has optimized the transmission structure of arm in vertical direction for advance the volume of structure less.
2. Sample extraction is accomplished, through 3 mechanical arms of group, and the sample introduction needle can move to the needle washing container station, carries out the washing of sample introduction needle, can effectively reduce cross contamination, can change different sample holders in sample wobble plate department, and according to the liquid difference that holds in the sample container, can detect different experiment survey items.
Drawings
FIG. 1 is a perspective view of a sample injection structure of a full-automatic analyzer according to the present utility model;
FIG. 2 is a front view of a sample injection structure of a fully automatic analyzer according to the present utility model;
FIG. 3 is a top view of a sample injection structure of a fully automatic analyzer according to the present utility model;
FIG. 4 is a right side view of a sample injection structure of a fully automatic analyzer according to the present utility model;
fig. 5 is a rear view of a sample injection structure of a fully automatic analyzer according to the present utility model.
Legend description:
1. a transmission device; 2. a Z-axis mechanical arm; 3. an X-axis mechanical arm; 4. a Y-axis mechanical arm; 5. a sample injection needle; 6. a motor; 7. a disc; 8. a damping platform; 9. a sample holder; 10. a sample container; 11. a limit column; 12 needle washing containers; 13. a water inlet; 14. a peristaltic pump; 15. an overflow pipe; 16. a drain valve; 17. and a liquid sucking slide seat.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, one embodiment provided by the present utility model is: a sample injection structure of a fully automatic tester, comprising: the device comprises a transmission device 1 which moves along the X, Y, Z axis direction respectively, wherein the transmission device is provided with a sample injection needle 5 in the Z axis direction, and the transmission device 1 can perform sample injection acquisition on solvents in test cups at different positions by means of X, Y, Z axis direction control;
the transmission device comprises a Z-axis mechanical arm 2, the Z-axis mechanical arm 2 is connected with a disc 7 driven by a motor 6 through a transmission line, and the lifting of the Z-axis mechanical arm 2 is controlled according to different rotation directions.
The three mechanical arms drive the sample injection needle 5 to move in the transmission range, so that the sample injection needle 5 stretches into the sample container 10 for sampling, and then moves to the needle washing container 12 for washing, so that cross contamination of the liquid to be detected is avoided.
Further, the driving line includes the sinle silk shell in the outside and the inside wire core, and Z axle arm 2 is connected to the sinle silk, and control Z axle arm 2 goes up and down, and the steel wire outside has the sinle silk shell, and the steel wire can move in the internal diameter of wire core shell to guarantee that the steel wire can not crooked when promoting, restrict the direction of delivery of steel wire, thereby can promote the operation of Z axle arm 2.
The Z-axis mechanical arm 2 moves in the vertical direction through a guide rod, and the X-axis mechanical arm 3 and the Y-axis mechanical arm 4 are used for moving in a plane, the Z-axis mechanical arm 2 is connected with a guide rail of the X-axis mechanical arm 3 through a sliding block, the X-axis mechanical arm 3 is connected with the Y-axis mechanical arm 4 through a bearing roller, the Z-axis mechanical arm 2 is provided with a replaceable sample injection needle 5 installed through a liquid suction slide seat 17, and the sample injection needle 5 is lifted through the lifting of the Z-axis mechanical arm 2.
In this embodiment, the Z-axis mechanical arm 2 is disposed on a guide rod, the Z-axis mechanical arm 2 is pushed and pulled by a steel wire inside a transmission line, so that the Z-axis mechanical arm 2 moves along the direction of the guide rod, the Z-axis mechanical arm 2 is connected with the X-axis mechanical arm 3 through a sliding block on one side, one side of the sliding block on the Z-axis mechanical arm 2 is connected to a synchronous belt of the X-axis mechanical arm 3, the synchronous belt is driven by a motor to operate, the Z-axis mechanical arm 2 moves along the direction of the X-axis mechanical arm 3, four bearing rollers are disposed below the X-axis mechanical arm 3 and are matched with guide rails on the Y-axis mechanical arm 4, and the X-axis mechanical arm 3 can move along the direction of the Y-axis mechanical arm 4 through motor driving operation.
The below of transmission 1 is equipped with shock attenuation platform 8, through the rubber pad foot, can realize the stability of device during operation, avoids liquid to spill over, and shock attenuation platform is inside to carry out the shock attenuation through spring and damping, makes titration in-process, and the motion vibrations of arm reduce, and the vibrations cause the location inaccuracy when avoiding the motion, makes liquid titration produce the error, and sample frame 9 has been put at shock attenuation platform 8's top to sample needle 5 confirms the position that needs the sample.
The sample frame 9 is provided with a through hole for accommodating the sample container 10, the side wall of the sample container 10 is provided with a limiting ring, the diameter of the limiting ring is larger than that of the through hole, the position of the sample container 10 can be fixed, and the sampling is convenient.
The upper surface of shock attenuation platform 8 is equipped with a plurality of spacing post 11 that are used for fixed sample frame 9, and sample frame 9 is placed between spacing post 11, carries out spacingly through spacing post 11 to the bottom of sample frame 9, prevents that sample frame 9 from taking place the displacement in the titration process.
The upper surface of the damping platform 8 is provided with a needle washing container 12 for washing the sample injection needle 5, and the sample is washed after being sampled, so that cross contamination can be avoided; the water inlet 13 of the needle washing container 12 is connected with the peristaltic pump 14, so that the pure water for washing can be added into the needle washing container 12.
In this embodiment, the sample injection needle 5 is moved to the inside of the needle washing container 12 through the transmission device 1, and is controlled by the peristaltic pump 14 to perform suction, so that the residual liquid in the sample injection needle 5 is washed, and the sample injection needle can not cause reagent mixing and sample pollution when reagent is replaced for sample injection.
The peristaltic pump 14 is connected with two pipelines below, and is respectively connected with the needle washing container 12 and the pure water container, water in the pure water container is pumped into the needle washing container 12 through the peristaltic pump 14, pure water sample injection is carried out, and clean pure water in the needle washing container 12 during cleaning can be realized.
The needle washing container 12 is provided with an overflow pipe 15 and a drain valve 16, and when the peristaltic pump 14 is used for feeding water, the excessive water can flow into the overflow pipe 15 and be discharged from the drain valve 16 below, so that the water in the needle washing container 12 is in a clean state.
Working principle: the sample containers 10 are placed on the sample rack 9, the positions are fixed through the limiting columns 11, and after the control system corrects the positions, the positions of the sample containers can be accurately positioned through the operation of the three groups of mechanical arms; the X-axis mechanical arm 3 is controlled by a motor at the rear of the X-axis through belt transmission, and the Y-axis mechanical arm 4 is controlled by a motor on the Y-axis through belt transmission; the Z-axis mechanical arm 2 is driven by a motor 6 at the rear of the device through a steel wire, the steel wire is wound on a disc 7 driven by the motor 6, the forward rotation and the reverse rotation of the disc 7 can control the lifting of the Z-axis mechanical arm 2, the sample injection needle 5 is fixed on the Z-axis mechanical arm 2, the sample injection needle 5 can be inserted into a sample container 10 to be detected through the operation of three groups of mechanical arms, the transfer of samples can be realized, the sample extraction is completed, and the sample injection needle 5 can be operated to a needle washing container 12 through the three groups of mechanical arms for washing. The needle washing container 12 is of an overflow structure, the peristaltic pump 14 is connected to the lower portion of the needle washing container, a peristaltic pump 14 pipeline is connected to pure water and the needle washing container 12, pure water can be supplemented to the needle washing container 12 through the peristaltic pump 14, and pure water for cleaning the sample injection needle 5 is guaranteed to be clean running water.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (10)
1. A sample injection structure of a fully automatic tester, comprising: the method is characterized in that: the device comprises a transmission device (1) which moves along the X, Y, Z axis direction respectively, wherein the transmission device is provided with a sample injection needle (5) in the Z axis direction, and the transmission device (1) can perform sample injection acquisition on solvents in test cups at different positions through the direction control of X, Y, Z axes;
the transmission device comprises a Z-axis mechanical arm (2), the Z-axis mechanical arm (2) is connected with a disc (7) driven by a motor (6) through a transmission line, and the lifting of the Z-axis mechanical arm (2) is controlled according to different rotation directions.
2. The sample injection structure of a fully automatic analyzer according to claim 1, wherein: the transmission line comprises a wire core shell at the outer side and a wire core at the inner side, wherein the wire core is connected with the Z-axis mechanical arm (2) and controls the Z-axis mechanical arm (2) to lift.
3. The sample injection structure of a fully automatic analyzer according to claim 1, wherein: a Z-axis mechanical arm (2) which moves in the vertical direction through a guide rod,
and an X-axis mechanical arm (3) and a Y-axis mechanical arm (4) which are used for moving in a plane,
the Z-axis mechanical arm (2) is connected with the guide rail of the X-axis mechanical arm (3) through a sliding block,
the X-axis mechanical arm (3) is connected with the Y-axis mechanical arm (4) through a bearing roller,
the Z-axis mechanical arm (2) is provided with a replaceable sample injection needle (5) which is installed through a liquid extraction sliding seat (17), and the sample injection needle (5) is lifted through the lifting of the Z-axis mechanical arm (2).
4. The sample injection structure of a fully automatic analyzer according to claim 3, wherein: a damping platform (8) is arranged below the transmission device (1); the top of the damping platform (8) is provided with a sample rack (9).
5. The sample injection structure of a fully automatic analyzer according to claim 4, wherein: the sample rack (9) is provided with a plurality of through holes for accommodating sample containers (10), the side wall of each sample container (10) is provided with a limiting ring, and the diameter of each limiting ring is larger than that of each through hole.
6. The sample injection structure of a fully automatic analyzer according to claim 4, wherein: the upper surface of shock attenuation platform (8) is equipped with a plurality of spacing post (11) that are used for fixed sample frame (9).
7. The sample injection structure of a fully automatic analyzer according to claim 4, wherein: the upper surface of the damping platform (8) is provided with a needle washing container (12) for washing the sample injection needle (5).
8. The sample injection structure of a fully automatic analyzer according to claim 7, wherein: the water inlet (13) of the needle washing container (12) is connected with a peristaltic pump (14).
9. The sample injection structure of a fully automatic analyzer according to claim 8, wherein: and two pipelines are connected below the peristaltic pump (14) and are respectively connected with the needle washing container (12) and the pure water container for pure water sample injection.
10. The sample injection structure of a fully automatic analyzer according to claim 7, wherein: the needle washing container (12) is provided with an overflow pipe (15) and a drain valve (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320425076.3U CN219512262U (en) | 2023-03-02 | 2023-03-02 | Sample injection structure of full-automatic tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320425076.3U CN219512262U (en) | 2023-03-02 | 2023-03-02 | Sample injection structure of full-automatic tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219512262U true CN219512262U (en) | 2023-08-11 |
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ID=87546076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320425076.3U Active CN219512262U (en) | 2023-03-02 | 2023-03-02 | Sample injection structure of full-automatic tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219512262U (en) |
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2023
- 2023-03-02 CN CN202320425076.3U patent/CN219512262U/en active Active
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