CN113533765A - Full-automatic thermal desorption sealing sampling device - Google Patents
Full-automatic thermal desorption sealing sampling device Download PDFInfo
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- CN113533765A CN113533765A CN202111011052.5A CN202111011052A CN113533765A CN 113533765 A CN113533765 A CN 113533765A CN 202111011052 A CN202111011052 A CN 202111011052A CN 113533765 A CN113533765 A CN 113533765A
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- uncapping
- sample
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- sample tube
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
- G01N2035/0401—Sample carriers, cuvettes or reaction vessels
- G01N2035/0403—Sample carriers with closing or sealing means
- G01N2035/0405—Sample carriers with closing or sealing means manipulating closing or opening means, e.g. stoppers, screw caps, lids or covers
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- Life Sciences & Earth Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
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- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The invention relates to the technical field of thermal desorption sealing devices, and discloses a full-automatic thermal desorption sealing sampling device, which is characterized in that a uncapping device is arranged to position a sample tube at a preset position in a sample stacking tray, so that the sample tube is positioned at the middle position, and then the positioned sample tube is uncapped from the initial two ends; through setting up the transfer device, the sample cell that will fix a position the completion takes out from the sample stacking tray and places the preset uncapping position of uncapping unit under the control of procedure, the sample cell after will uncapping transfers the preset position of wearing the cap of sealing device, make and wear the cap unit and connect the sample cell to sample cell both ends installation sample tube, accomplish the sealed of gas circuit, its process all slides through the slide rail and goes on, controlling means through setting up carries out intelligent control to drive arrangement according to preset program, not only accurate control, and the use of syringe needle and sealed pad has been avoidd, thoroughly solved transmission error big, the leakproofness is easily impaired, the problem that use cost is high.
Description
Technical Field
The invention relates to the technical field of thermal desorption equipment, in particular to a full-automatic thermal desorption sealing sampling device.
Background
The adsorption heat desorption is a pretreatment technology for enriching and analyzing volatile and semi-volatile components in a sample, the method does not need any organic solvent, is convenient to operate and high in sensitivity, the detection limit reaches 10-9 levels, the method is applied to various fields such as environmental samples, food and beverage, medicines, plants, mineral analysis and the like at present, but the heat desorption sampling device of the full-automatic heat desorption device adopts push rod motor transmission, the transmission error is large, the needle head can shake in the transmission process, so that the phenomenon that the needle head inclines or bends is caused, the sealing performance is poor, the needle head and a sealing gasket are frequently replaced, the waste is caused, the use cost is high, and therefore, a sample tube sealing device which is small in transmission error, and can effectively avoid the needle head shaking or even bending, the sealing effect is good, and the use cost is low is urgently needed.
The invention aims to overcome the defects and provides a full-automatic thermal desorption sealing sampling device, which is provided with a cap removing device, wherein a sample tube at a preset position in a sample stacking tray is positioned to enable the sample tube to be positioned at the middle position, and then the positioned sample tube is removed from the initial caps at two ends; through setting up the transfer device, the sample cell that will fix a position the completion takes out from the sample stacking tray and places the preset uncapping position of uncapping unit under the control of procedure, the sample cell after will uncapping transfers the preset position of putting the cap of sealing device, make and put on the cap unit and install the sample tube joint to the sample cell both ends, accomplish the sealed of gas circuit, its process all slides through the slide rail and goes on, controlling means through setting up carries out intelligent control to drive arrangement according to preset program, make the uncapping, the sample cell aversion and the process of putting on the cap of installation sample tube joint, not only accurate control, and the use of syringe needle and sealed pad has been avoidd, it is big thoroughly to have solved transmission error, the leakproofness is easily impaired, the problem that use cost is high.
The specific technical scheme provided by the invention is as follows:
a fully automatic thermal desorption, sealing and sampling device comprising:
the uncapping device is used for positioning the sample tubes in the sample stacking tray and uncapping the positioned sample tubes, and comprises an uncapping unit;
the sealing device is used for capping the uncapped sample tube to complete the air path sealing and comprises a capping unit;
the transferring device is used for transferring the sample tubes from the sample stacking tray to a preset position of the uncapping unit and transferring the uncapped sample tubes to a preset position of the capping unit, and comprises a grabbing unit;
the driving device is used for respectively driving the uncapping device, the sealing device and the transferring device to execute instructions and comprises a driving unit;
a control device: and intelligently controlling the driving device through a program.
Preferably, the uncapping device further comprises an uncapping slide rail, and the uncapping unit slides back and forth along the uncapping slide rail under the driving of the uncapping motor.
Furthermore, the uncapping unit is provided with a pair of uncapping units which are symmetrically arranged at two ends of the uncapping slide rail, and the uncapping units are driven by the uncapping motor to move in opposite directions so as to clamp necks at two ends of the sample tube and move in opposite directions so as to uncap two ends of the sample tube.
Furthermore, the uncapping unit comprises an uncapping clamping part and a positioning plate for positioning the sample tube before uncapping, wherein the uncapping clamping part is fixedly connected with the uncapping clamping part, and the positioning plate is positioned on the outer side of the uncapping clamping part.
Furthermore, the uncapping clamping part comprises an uncapping transverse plate, one end of the uncapping transverse plate is provided with a neck clamp which can be clamped at the neck part of the sample tube, and a clamping clamp for clamping the cap is fixedly arranged between the neck clamp and the positioning plate.
Furthermore, the capping units arranged at the other end of the uncapping transverse plate are provided with a pair of capping units which are symmetrically arranged at two ends of the uncapping slide rail, and the two ends of the sample tube are capped by driving the uncapping motor in opposite directions so as to complete the sealing of the gas path.
Further, the capping unit comprises a sample tube joint for sealing the opening of the sample tube, and the sample tube joint is connected with the detection device through an air path.
Further, the transfer device further comprises a transfer slide rail perpendicular to the uncapping slide rail, and the grabbing unit slides back and forth along the transfer slide rail under the control of the pipe clamp arm sliding table module so as to complete grabbing and shifting of the sample tubes.
Further, drive unit includes the motor, the motor is still including control snatch the unit and open, what close snatchs motor, control sample is put things in good order a set pivoted carousel motor and control desorption stove and is removed to put on the hat the position and carry out the desorption stove module that heats, snatch the motor with pipe clamp arm slip table module links to each other.
Further, the control device comprises a touch screen, and the driving device is intelligently controlled through the touch screen.
The beneficial effects are that:
the invention provides a full-automatic thermal desorption sealing sampling device, which is characterized in that a uncapping device is arranged to position a sample tube at a preset position in a sample stacking tray, so that the sample tube is positioned at the middle position, and then the positioned sample tube is uncapped from the initial two ends; through setting up the transfer device, the sample cell that will fix a position the completion takes out from the sample stacking tray and places the preset uncapping position of uncapping unit under the control of procedure, the sample cell after will uncapping transfers the preset position of putting the cap of sealing device, make and put on the cap unit and install the sample tube joint to the sample cell both ends, accomplish the sealed of gas circuit, its process all slides through the slide rail and goes on, controlling means through setting up carries out intelligent control to drive arrangement according to preset program, make the uncapping, the sample cell aversion and the process of putting on the cap of installation sample tube joint, not only accurate control, and the use of syringe needle and sealed pad has been avoidd, it is big thoroughly to have solved transmission error, the leakproofness is easily impaired, the problem that use cost is high.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application.
In the drawings:
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of a gripping jaw moving a sample tube to a uncapped position;
FIG. 3 is a schematic view of a gripping jaw in a position to deliver a sample tube to a capping station;
FIG. 4 is a perspective view of the uncapping unit;
FIG. 5 is a perspective view of one side gripping jaw;
fig. 6 is a perspective view of the capping unit.
Wherein:
a module 1; a front photoelectric switch 2; a module slider 3; a module slide rail 4; a support base 5; a rear photoelectric switch 6; a grabbing motor 7; a fixed plate 8; a gripping jaw 9; an extension end 91; a uncapping fixing frame 10; a capping unit 11; a sample tube joint 113; a seal ring 111; a seal nut 112; a uncapping stopper 12; a uncapping motor 13; a decapping sensing piece 14; a uncapping transverse plate 15; a decapping unit 16; a positioning plate 161; a neck clip 162; a clamp card 163; a sample tube cap 17; a sample tube 18; a sample placing tray 19; a locator mark 20; a sample tray motor 21; a six-way valve 22; a trap 23; a desorption furnace 24; a desorption furnace module 25; a touch screen 26; uncapping slide rails 27.
Detailed Description
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.
Preferred embodiments of the present invention, with reference to fig. 1-6:
a full-automatic thermal desorption sealing sampling device comprises a uncapping device, a sealing device, a transferring device, a driving device and a control device.
The transfer device includes module slide rail 4 and module 1 of horizontal installation on supporting seat 5, install gliding module slider 3 on module slide rail 4, module slider 3 fixed mounting is at the lower extreme of fixed plate 8, snatch motor 7, snatch clamping jaw 9 respectively fixed mounting at the both ends of fixed plate 8, it is equipped with two to snatch clamping jaw 9 symmetry, can execute under the control of snatching motor 7 and open, close the action, form cylindrical chamber and sample cell 18 external diameter phase-match in the middle of after closed, the extension end 91 that snatchs clamping jaw 9 makes cylindrical chamber package at the central authorities of sample cell 18, can firmly centre gripping sample cell 18 removes. The module 1 controls the module slide block 3 to move and controls the grabbing motor 7 to execute commands.
The side of the supporting seat 5 is also provided with a front photoelectric switch 2 and a rear photoelectric switch 6 which are induced by the inductor on the module sliding block 3 to determine the stop position of the module sliding block 3, thereby determining the work or stop position of the grabbing clamping jaw 9.
The uncapping device comprises an uncapping unit 16 and an uncapping slide rail 27, wherein the uncapping slide rail 27 is perpendicular to the module slide rail 4. The positioning plate 161 is fixed on the uncapping transverse plate 15 through bolts, the uncapping transverse plate 15 is fixed on the uncapping fixed frame 10 through bolts, the uncapping fixed frame 10 is fixed on the uncapping motor 13 through bolts, and the uncapping induction sheet 14 and the uncapping stopper 12 are both fixed on the uncapping transverse plate 15 through bolts; the inner side of the positioning plate 161 is connected with the clamping clip 163 and the neck clip 162 sequentially through fasteners to form an integral uncapping unit which can slide along the uncapping slide rail 27 in a reciprocating manner; the working position is determined under the sensing action and the positioning of the uncapping sensing piece 14 and the uncapping stopper 12, the positioning plate 161 moves the sample tube 18 in the sample stacking tray 19 to enable the sample tube 18 to be in the middle position, the neck clamp 162 is used for clamping the neck of the sample tube cap 17, the uncapping motor 13 drives the uncapping sliding rail 27 to move the uncapping, and the uncapping clamping clamp 163 clamps the taken sample tube cap 17.
Further, the uncapping unit 16 is provided with a pair of uncapping units symmetrically arranged at two ends of the uncapping slide rail 27, and driven by the uncapping motor 13, the uncapping units move in opposite directions to clamp the necks at two ends of the sample tube 18, and move in opposite directions to uncap two ends of the sample tube 18, and the clamping cards 163 and the neck cards 162 are driven by the uncapping motor 13 to realize uncapping.
Sealing device is including wearing cap unit 11, and wearing cap unit 11 includes sample coupling 113, sealing washer 111 and gland nut 112, and wearing cap unit 11 is equipped with a pair ofly, installs the other end of taking off cap diaphragm 15, and the symmetry set up in the both ends of taking off cap slide rail 27 under the drive of taking off cap motor 13, realize in opposite directions right the wearing cap at sample coupling both ends to accomplish the gas circuit and seal.
Furthermore, the capping unit 11 is hermetically connected to the mouth of the uncapped sample tube 18 through a sample tube joint 113, a sealing ring 111, and a sealing nut 112, and is connected to the six-way valve 22, the trap 23, and a detection device (not shown) to form a sealed air path.
The transfer device comprises a gripping unit which is used for transferring the sample tube 18 from the sample stacking tray 19 to the preset position of the uncapping unit and transferring the uncapped sample tube 18 to the preset position of the capping unit.
The control device comprises a touch screen 26, and intelligently controls the driving device through a preset program: controlling a sample tray motor 21 to drive a sample stacking tray 19 to rotate to a preset position with a sample tube 18 containing a sample and placed in a preset positioning mark 20, under the drive of a uncapping motor 13, enabling an uncapping unit 16 to slide along an uncapping slide rail 27, enabling positioning plates 161 at two ends to move the sample tube 18 in the sample stacking tray 19 to enable the sample tube 18 to be in the middle position, controlling a module 1 to control a module slider 3 to move to a rear photoelectric switch 6 induction position, controlling a grabbing motor 7 to execute a command by the module 1, controlling a grabbing clamping jaw 9 to open and surround the sample tube 18 by the grabbing motor 7, clamping the sample tube 18, shifting the sample tube 18 to an uncapping preset position, under the drive of the uncapping motor 13, clamping a neck of the sample tube 18 by a neck clamp 162, enabling two uncapping units 16 to respectively slide up and down along the uncapping slide rail 27 to complete uncapping, clamping the uncapping by a clamping clamp 163 to clamp the uncapping sample tube cap 17, under the control of the module 1, the gripping clamping jaw 9 places the sample tube 18 at a preset sealing position, the capping unit 11 moves along the capping slide rail 27 along with the capping transverse plate 15 under the control of the capping motor 13, seals two ports of the sample tube 18 from the upper and lower directions, and forms a sealing air path after being connected with the six-way valve 22, the trap 23 and the detection device (not shown) through the sample tube joint 113; under the control of the module 1, the module sliding block 3 returns to the front photoelectric switch 2 to stop induction.
It should be noted that, after the air tightness of the sealed air path is detected to be qualified, the program control desorption furnace module 25 controls the desorption furnace 24 to move to a preset position, so as to heat the sample tube 18 for primary desorption, and perform secondary desorption according to the user's needs.
The beneficial effects are that:
the invention provides a full-automatic thermal desorption sealing sampling device, which is characterized in that a uncapping device is arranged to position a sample tube at a preset position in a sample stacking tray, so that the sample tube is positioned at the middle position, and then the positioned sample tube is uncapped from the initial two ends; through setting up the transfer device, the sample cell that will fix a position the completion takes out from the sample stacking tray and places the preset uncapping position of uncapping unit under the control of procedure, the sample cell after will uncapping transfers the preset position of putting the cap of sealing device, make and put on the cap unit and install the sample tube joint to the sample cell both ends, accomplish the sealed of gas circuit, its process is all gone on through sliding along the slide rail, controlling means through setting up carries out intelligent control to drive arrangement according to preset program, make the uncapping, the sample cell aversion and the process of putting on the cap of installation sample tube joint, not only accurate control, and the use of syringe needle and sealed pad has been avoidd, it is big thoroughly to have solved transmission error, the leakproofness is easily impaired, the problem that use cost is high.
The foregoing description shows and describes the preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.
Claims (10)
1. The utility model provides a sealed sampling device of full-automatic thermal desorption which characterized in that: the method comprises the following steps:
the uncapping device is used for positioning the sample tubes in the sample stacking tray and uncapping the positioned sample tubes, and comprises an uncapping unit;
the sealing device is used for capping the uncapped sample tube to complete the air path sealing and comprises a capping unit; the transferring device is used for transferring the sample tubes from the sample stacking tray to a preset position of the uncapping unit and transferring the uncapped sample tubes to a preset position of the capping unit, and comprises a grabbing unit;
the driving device is used for respectively driving the uncapping device, the sealing device and the transferring device to execute instructions and comprises a driving unit;
a control device: and intelligently controlling the driving device through a program.
2. The fully automatic thermal desorption sealing sampling device of claim 1, wherein: the uncapping device further comprises an uncapping slide rail, and the uncapping unit slides back and forth along the uncapping slide rail under the driving of the uncapping motor.
3. The fully automatic thermal desorption sealing sampling device of claim 2, wherein: the uncapping units are symmetrically arranged at two ends of the uncapping slide rail, and are driven by the uncapping motor to move in opposite directions so as to clamp necks at two ends of the sample tube, and move in opposite directions so as to uncap two ends of the sample tube.
4. The fully automatic thermal desorption, sealing and sampling device according to claim 3, wherein: the uncapping unit comprises an uncapping clamping part and a positioning plate for positioning the sample tube before uncapping, wherein the uncapping clamping part is fixedly connected with the uncapping clamping part, and the positioning plate is positioned on the outer side of the uncapping clamping part.
5. The fully automatic thermal desorption sealing sampling device of claim 4, wherein: the uncapping clamping part comprises an uncapping transverse plate, one end of the uncapping transverse plate is provided with a neck clamp which can be clamped at the neck part of the sample tube, and a clamping clamp used for clamping the cap is fixedly arranged between the neck clamp and the positioning plate.
6. The fully automatic thermal desorption sealing sampling device of claim 5, wherein: the capping units arranged at the other end of the uncapping transverse plate are symmetrically arranged at two ends of the uncapping slide rail, and the two ends of the sample tube are oppositely capped under the driving of the uncapping motor so as to complete the sealing of the gas circuit.
7. The fully automatic thermal desorption sealing sampling device of claim 6, wherein: the capping unit comprises a sample tube joint for sealing the opening of the sample tube, and the sample tube joint is connected with the detection device through a gas path.
8. The fully automatic thermal desorption sealing sampling device of claim 2, wherein: the transfer device further comprises a transfer slide rail perpendicular to the uncapping slide rail, and the grabbing unit slides back and forth along the transfer slide rail under the control of the pipe clamp arm sliding table module so as to complete grabbing and shifting of the sample pipe.
9. The fully automatic thermal desorption, sealing and sampling device according to claim 8, wherein: the drive unit includes the motor, the motor is still including control snatch the unit and open, what close snatchs motor, control sample sign indicating number puts a set pivoted carousel motor and control desorption stove and removes to wear the desorption stove module that the cap position carries out the heating, snatch the motor with pipe clamp arm slip table module links to each other.
10. The fully automatic thermal desorption, sealing and sampling device according to claim 9, wherein: the control device comprises a touch screen, and the driving device is intelligently controlled through the touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111011052.5A CN113533765A (en) | 2021-08-31 | 2021-08-31 | Full-automatic thermal desorption sealing sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111011052.5A CN113533765A (en) | 2021-08-31 | 2021-08-31 | Full-automatic thermal desorption sealing sampling device |
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| Publication Number | Publication Date |
|---|---|
| CN113533765A true CN113533765A (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111011052.5A Pending CN113533765A (en) | 2021-08-31 | 2021-08-31 | Full-automatic thermal desorption sealing sampling device |
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| CN (1) | CN113533765A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116183792A (en) * | 2023-04-25 | 2023-05-30 | 河北普润环境工程有限公司 | Full-automatic thermal desorption device of rim plate material loading formula |
-
2021
- 2021-08-31 CN CN202111011052.5A patent/CN113533765A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116183792A (en) * | 2023-04-25 | 2023-05-30 | 河北普润环境工程有限公司 | Full-automatic thermal desorption device of rim plate material loading formula |
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