CN104374936A - Automatic powder feeding device for analytical instruments - Google Patents
Automatic powder feeding device for analytical instruments Download PDFInfo
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- CN104374936A CN104374936A CN201410631182.2A CN201410631182A CN104374936A CN 104374936 A CN104374936 A CN 104374936A CN 201410631182 A CN201410631182 A CN 201410631182A CN 104374936 A CN104374936 A CN 104374936A
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Abstract
The invention discloses an automatic powder feeding device for analytical instruments. The device comprises a lofting mechanism used for storing and providing a sample, a sample weighing mechanism used for receiving a sample from the lofting mechanism and weighing the sample, wherein a sample leaking hole used for falling of the sample is formed in the bottom of the lofting mechanism; the sample weighing mechanism is provided with a sample weighing container of which the opening is formed upward; the sample leaking hole and the opening of the sample weighing container are distributed in an up-down corresponding manner; the lofting mechanism is provided with a sample falling control mechanism for controlling the sample falling amount; and the sample falling control mechanism is used for controlling the falling amount of samples falling from the sample leaking hole by opening and closing the sample leaking hole. The device can be used for accurately controlling obtained samples.
Description
Technical field
The present invention relates to technical analysis apparatus field, especially, relate to a kind of powder automatic sample feeding device for analytical instrument.
Background technology
In the use procedure of automatic analytical instrument, often need sample taken amount to be placed on inside the crucible on rotating disk and carry out calcination, need in each crucible to add constant weight sample, the sample when doing different analysis needs to add the sample of Different Weight, and likely added sample type is completely different.
And our sample loading alternative is all adopt the artificial manual application of sample of mode at present, adds a sample, then add next sample, the sample manually added heavily is difficult to control, and weight difference is very large; And the interpolation kind of sample is easy to go wrong.Therefore, mainly there is following shortcoming in existing manual sample loading alternative: 1, easily adds wrong sample, likely A sample has been added in and will have put in the crucible of B sample; 2, repeatedly add and just can make sample coincidence lattice after taking out operation, and operating the probability adding sample contamination like this, and easily cause sample weight inaccurate; 3, repeatedly add taking-up operation and extend the running time, add the labour intensity of operating personnel, higher technical requirement is proposed to operator; 4, need manually sample to be stirred evenly.
Summary of the invention
The object of the invention is to provide a kind of powder automatic sample feeding device for analytical instrument, and to solve, existing manual sample loading alternative easily adds wrong sample, sample weight controls the technical matters that difficulty is large, need hand operated mixing sample etc.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of powder automatic sample feeding device for analytical instrument, comprise for store sample and provide the lofting mechanism of sample and for access sample from lofting mechanism and take sample sample mechanism, the leakage sample hole for the sample that drops is offered bottom lofting mechanism, what sample that mechanism is provided with opening up layout samples vessel, leaks sample hole and arranges with the opening sampling vessel is upper and lower corresponding; The lofting mechanism sample be provided with for the Control Assay amount of dropping drops control gear, and sample drops control gear by opening or close Lou sample hole with Control Assay from the amount of dropping of leaking sample hole and dropping.
Further, lofting mechanism comprises brace table and for storing sample and providing the sample bottle of sample, brace table is provided with the placement position for placing sample bottle, the bottleneck of sample bottle is fastened on down to be placed on position, be provided with the sealing gasket for sealing bottleneck in bottleneck, the lid of sealing gasket and capping bottleneck is superimposed on the upper surface of brace table; Leak sample hole to comprise the first perforate be opened on brace table, be opened in the second perforate on sealing gasket and be opened in the 3rd perforate on lid, the first perforate, the second perforate and the 3rd perforate correspondence are arranged.
Further, sample drop that control gear comprises rolling bearing, the stirring vane be located in sample bottle, for the drive unit that drives stirring vane to rotate and the baffle plate fitting in sealing gasket upper surface; Stirring vane is rotating to be sheathed on rolling bearing, and rolling bearing is vertically fixed on sealing gasket; Baffle plate is fixed in the bottom of stirring vane and rotates with stirring vane, and baffle plate is provided with the 4th perforate, and the second perforate is in the rotary motion trace of the 4th perforate.
Further, the pass of at least two in the second perforate, the 3rd perforate, the 4th perforate is identical and aperture is identical.
Further, first perforate, the second perforate, the 3rd perforate are identical with the aperture of the 4th perforate, and at least one in the first perforate, the second perforate, the 3rd perforate, the 4th perforate adopts delthyrium, circular hole, square hole, diamond hole, cross bore, slotted hole or oblong aperture.
Further, the sample control gear that drops comprises and being fixed in stationary shaft on lid inside surface, being located at the stirring vane in sample bottle and the drive unit for driving stirring vane to rotate; Sealing gasket is sheathed on stationary shaft and also can horizontally rotates around stationary shaft, and stirring vane is vertically fixed on sealing gasket; 3rd perforate is on the movement locus of the second perforate.
Further, the placement position on brace table is connected with the connecting gear for transmitting sample bottle, and the transmission track of connecting gear is straight path and/or curvilinear path.
Further, sample mechanism and comprise weigh scale for sampling and for carrying the conveying mechanism sampling vessel; Weigh scale be provided with for park sample vessel park position, on conveying mechanism for export load-carrying the output terminal sampling vessel and for input the vacant input end sampling vessel respectively with park position and be connected.
Further, drive unit adopts drive motor, and the output terminal of drive motor connects and drives stirring vane to rotate; Or drive unit comprises at least one piece and is located at drive magnet outside sample bottle and at least one block of driving magnet be located on stirring vane, and the like pole between drive magnet and driving magnet is positioned opposite.
Further, drive magnet is provided with polylith, and it is outer and equidistantly arrange that polylith drive magnet is around in sample bottle along the circumferential hoop of sample bottle.
Further, drive magnet adopts the electromagnet by Current Control electromagnetic force size.
According to a further aspect in the invention, additionally provide a kind of analytical instrument, it comprises the above-mentioned powder automatic sample feeding device for analytical instrument.
The present invention has following beneficial effect:
The present invention is used for the powder automatic sample feeding device of analytical instrument, by the automatic lofting of lofting mechanism and sample automatically connecing sample and automatically sampling of mechanism, thus automatically the taking of sample needed for Realization analysis instrument.Quantitatively drop to by offering Lou sample hole bottom lofting mechanism sample in vessel to realize sample, be quantitative a sample take in time from leaking the sample that drops of sample hole by sampling mechanism each time, by controlling the sample number that drops thus realizing sampling the accurate control that vessel obtain sample.Open or close leak sample hole by the sample control gear that drops, thus realize the accurate control that sample drops.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the cross-sectional view of the powder automatic sample feeding device for analytical instrument of the preferred embodiment of the present invention;
Fig. 2 is the perspective view of the powder automatic sample feeding device for analytical instrument of the preferred embodiment of the present invention;
Fig. 3 is the plan structure schematic diagram of the powder automatic sample feeding device for analytical instrument of the preferred embodiment of the present invention;
Fig. 4 is that the sample of the preferred embodiment of the present invention drops the longitudinal profile structural representation of control gear;
Fig. 5 is that the sample of the preferred embodiment of the present invention drops the horizontal section structural representation of control gear;
Fig. 6 is that the sample of the preferred embodiment of the present invention drops the structural representation of control gear.
Marginal data:
1, lofting mechanism; 101, brace table; 1011, position is placed; 102, sample bottle; 1021, bottleneck; 1022, lid; 2, mechanism is sampled; 201, vessel are sampled; 202, weigh scale; 2021, position is parked; 3, sample hole is leaked; 301, the first perforate; 302, the second perforate; 303, the 3rd perforate; 4, sample drops control gear; 401, rolling bearing; 402, stirring vane; 403, drive unit; 4031, drive magnet; 4032, driving magnet; 404, baffle plate; 405, stationary shaft; 406, bottle blocks up; 407, lift shaft; 408, rotating vane; 409, elevating mechanism; 4091, axle sleeve; 4092, elastic component; 4093, magnet; 5, sealing gasket; 6, the 4th perforate; 7, electromagnet.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the present invention can by the multitude of different ways that limits and cover implement.
Fig. 1 is the cross-sectional view of the powder automatic sample feeding device for analytical instrument of the preferred embodiment of the present invention; Fig. 2 is the perspective view of the powder automatic sample feeding device for analytical instrument of the preferred embodiment of the present invention; Fig. 3 is the plan structure schematic diagram of the powder automatic sample feeding device for analytical instrument of the preferred embodiment of the present invention; Fig. 4 is that the sample of the preferred embodiment of the present invention drops the longitudinal profile structural representation of control gear; Fig. 5 is that the sample of the preferred embodiment of the present invention drops the horizontal section structural representation of control gear; Fig. 6 is that the sample of the preferred embodiment of the present invention drops the structural representation of control gear.
As shown in Figure 1, the powder automatic sample feeding device for analytical instrument of the present embodiment, comprise for store sample and provide the lofting mechanism 1 of sample and for access sample from lofting mechanism 1 and take sample sample mechanism 2, the leakage sample hole 3 for the sample that drops is offered bottom lofting mechanism 1, what sample that mechanism 2 is provided with opening up layout samples vessel 201, leaks sample hole 3 and arranges with the opening sampling vessel 201 is upper and lower corresponding; Lofting mechanism 1 sample be provided with for the Control Assay amount of dropping drops control gear 4, and sample drops control gear 4 by opening or close Lou sample hole 3 with Control Assay from the amount of dropping of leaking sample hole 3 and dropping.The present invention is used for the powder automatic sample feeding device of analytical instrument, by the automatic lofting of lofting mechanism 1 and sample automatically connecing sample and automatically sampling of mechanism 2, thus automatically the taking of sample needed for Realization analysis instrument.Quantitatively drop to by offering Lou sample hole 3 bottom lofting mechanism 1 sample in vessel 201 to realize sample, be quantitative a sample take in time from leaking the sample that drops of sample hole 3 by sampling mechanism 2 each time, by controlling the sample number that drops thus realizing sampling the accurate control that vessel 201 obtain sample.Sample samples mechanism 2 before lofting mechanism 1 drops to, and is fully stirred the sample in lofting mechanism 1 by the drop revolving force of control gear 4 of sample; Open or close Lou sample hole 3 by the sample control gear 4 that drops, thus realize the accurate control that sample drops.Preferably, sample drops control gear 4 by the mode Control Assay that rotates from the amount of dropping of leaking sample hole 3 and dropping.Sample samples mechanism 2 before lofting mechanism 1 drops to, and is fully stirred the sample in lofting mechanism 1 by the drop revolving force of control gear 4 of sample; To be dropped rotarily opening of control gear 4 or close Lou sample hole 3 by sample, thus realize the accurate control that sample drops.
As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, lofting mechanism 1 comprises brace table 101 and for storing sample and providing the sample bottle 102 of sample.Brace table 101 is provided with the placement position 1011 for placing sample bottle 102.The bottleneck 1021 of sample bottle 102 is fastened on down to be placed on position 1011.The sealing gasket 5 for sealing bottleneck 1021 is provided with in bottleneck 1021.The lid 1022 of sealing gasket 5 and capping bottleneck 1021 is superimposed on the upper surface of brace table 101.Leak the 3rd perforate 303 that sample hole 3 comprises the first perforate 301 be opened on brace table 101, is opened in the second perforate 302 on sealing gasket 5 and is opened on lid 1022.First perforate 301, second perforate 302 and the 3rd perforate 303 correspondence are arranged.Perforate correspondence is arranged, is realized the through or stop in the first perforate 301, second perforate 302 and the 3rd perforate 303 3 hole by sealing gasket 5 relative to the relative movement of lid 1022, thus the amount of dropping that Control Assay drops from leakage sample hole 3.Between the first perforate 301 and the second perforate 302, form through hole, thus realize the leakage sample of lofting mechanism 1.Formed when misplacing between the first perforate 301 and the second perforate 302, then close the leakage sample opening of lofting mechanism 1.
As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, sample drops that control gear 4 comprises rolling bearing 401, the stirring vane 402 be located in sample bottle 102, for the drive unit 403 that drives stirring vane 402 to rotate and the baffle plate 404 fitting in sealing gasket 5 upper surface.Stirring vane 402 is rotating to be sheathed on rolling bearing 401.Rolling bearing 401 is vertically fixed on sealing gasket 5.Baffle plate 404 is fixed in the bottom of stirring vane 402 and rotates with stirring vane 402.Baffle plate 404 is provided with the 4th perforate 6.Second perforate 302 is in the rotary motion trace of the 4th perforate 6.Preferably, rolling bearing 401 is on the axis of sample bottle 102.Rotate by driving stirring vane 402 sample realized in sample bottle 102 to stir, by stirring vane 402, sample is allocated to Lou sample hole 3 simultaneously, when the first perforate 301, second perforate 302, the 3rd perforate 303 are communicated with the 4th perforate 6 and form through hole, realize the leakage sample of lofting mechanism 1.
As shown in Figure 1, in the present embodiment, the pass of at least two in the first perforate 301, second perforate 302, the 4th perforate 6 is identical and/or aperture is identical.By cooperatively interacting of pass and/or aperture, realize the control of leaking sample amount and leaking sample speed.
As shown in Figure 1, in the present embodiment, first perforate 301, second perforate 302 is identical with the aperture of the 4th perforate 6, and at least one in the first perforate 301, second perforate 302, the 4th perforate 6 adopts delthyrium, circular hole, square hole, diamond hole, cross bore, slotted hole or oblong aperture.By cooperatively interacting of pass and/or aperture, realize the control of leaking sample amount and leaking sample speed.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the sample control gear 4 that drops comprises and being fixed in stationary shaft 405 on lid 1022 inside surface, being located at the stirring vane 402 in sample bottle 102 and the drive unit 403 for driving stirring vane 402 to rotate.Sealing gasket 5 is sheathed on stationary shaft 405 and also can horizontally rotates around stationary shaft 405.Stirring vane 402 is vertically fixed on sealing gasket 5.3rd perforate 303 is on the movement locus of the second perforate 302.Preferably, stationary shaft 405 deviates from the axis layout of sample bottle 102; The sheathed position that sealing gasket 5 is sheathed on stationary shaft 405 also deviates from the center of sealing gasket 5.Drive sealing gasket 5 to carry out eccentric rotary around stationary shaft 405 by drive unit 403, realize through between the second perforate 302 on sealing gasket 5 and the 3rd perforate 303 on lid 1022 or misplace, thus realize unlatching or the closedown to leaking sample hole 3.Preferably, the free turning end of sealing gasket 5 is also provided with the locating part of restriction sealing gasket 5 slewing area.
As shown in Figure 6, preferably, the sample control gear 4 that drops comprises in sample bottle 102 contact leaking the bottle sample hole 3 and blocks up 406, is connected to the elevating mechanism 409 that bottle blocks up lift shaft 407 on 406, is sheathed on the rotating vane 408 in lift shaft 407 and is provided with in lift shaft 407.Preferably, elevating mechanism 409 is located between lift shaft 407 and sample bottle 102.Preferably, elevating mechanism 409 comprises and is sheathed in lift shaft 407 and is connected to axle sleeve 4091 on sample bottle 102, is stuck in axle sleeve 4091 and is fixed in lift shaft 407 for providing the elastic component 4092 of lift shaft 407 motional feedback power and being located at the magnet 4093 of lift shaft 407 end; Magnet 4093 peripheral hardware has the electromagnet 7 for adsorption magnet 4093, leaks sample hole 3 for ordering about lift shaft 407 rising release.
In the present embodiment, the placement position 1011 on brace table 101 is connected with the connecting gear for transmitting sample bottle 102.The transmission track of connecting gear is straight path and/or curvilinear path.Be convenient to whole powder automatic sample feeding device automatically and continuous print carries out work, thus increase work efficiency.By arranging different transmission tracks, conveniently combine from different analytical instrument, the scope of application is wider.
As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, sample mechanism 2 and comprise weigh scale 202 for sampling and for carrying the conveying mechanism sampling vessel 201.Be convenient to whole powder automatic sample feeding device automatically and continuous print carries out work, thus increase work efficiency.Weigh scale 202 be provided with for park sample vessel 201 park position 2021, on conveying mechanism for export load-carrying the output terminal sampling vessel 201 and for input the vacant input end sampling vessel 201 respectively with park position 2021 and be connected.Be convenient to whole powder automatic sample feeding device automatically and continuous print carries out work, thus increase work efficiency.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, in the present embodiment, drive unit 403 adopts drive motor, and the output terminal of drive motor connects and drives stirring vane 402 to rotate.Driven by motor, work efficiency is high, and sample mixing effect is good.Preferably, the output terminal of drive motor is also provided with variator.The rotational speed of stirring vane 402 is facilitated to control.Drive unit 403 comprises at least one piece and is located at drive magnet 4031 outside sample bottle 102 and at least one block of driving magnet 4032 be located on stirring vane 402, and the like pole between drive magnet 4031 and driving magnet 4032 is positioned opposite.Stirring vane 402 is driven by the like pole repulsive force of magnet, can economize energy consumption.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, in the present embodiment, drive magnet 4031 is provided with polylith, and it is outer and equidistantly arrange that polylith drive magnet 4031 is around in sample bottle 102 along the circumferential hoop of sample bottle 102.Facilitate the control of driving force, the convenient stirring vane 402 that controls stirs sample, and is convenient to sample from the control of leaking sample hole 3 amount of dropping.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, in the present embodiment, drive magnet 4031 adopts the electromagnet by Current Control electromagnetic force size.The accurate control of convenient electromagnetic power size and break-make, so that the control of stirring sample in sample bottle 102, and leaks the accurate control of the sample hole 3 sample amount of dropping.
During enforcement, by connecting gear, sample bottle 102 is sent to the placement position 1011 of lofting mechanism 1, and it is fixing, obtain the chip information in sampling jar 102 by the electronic mark on sample bottle 102 simultaneously, obtain the information (electronic recognition of information belongs to prior art) such as the sample ID in this sample bottle 102.Now connect sample crucible (sampling mechanism 2) carried by conveying mechanism and drop on scale arm (weigh scale 202) park on position 2021, remove the peel heavily after stable, the electromagnet (drive magnet 4031) outside sample bottle 102 is opened after removing the peel heavy success, the rotating mechanism of sample bottle 102 inside (stirring vane 402 of V belt translation magnet 4032) is rotated, the baffle plate 404 of further drive band the 4th perforate 6 rotates, thus the sample powder in sample bottle 102 is spilt by the leakage sample hole 3 above the baffle plate 404 of band the 4th perforate 6, sample is stirred evenly simultaneously, ceaselessly read balance (weigh scale 202) data simultaneously, stop operating when balance (weigh scale 202) data meet when setting requires, and make the sealing gasket 5 on rotating mechanism (stirring vane 402 of V belt translation magnet 4032) be parked in sealing first perforate 301 place, thus seal up Lou sample hole 3.After reading stable example weight, make crucible (sampling vessel 201) turn to the next one, then add second sample.
The sample bottle 102 in sample hole 3 is leaked with one or more; Sample bottle 102 inside has automatic rotation mechanism to make sample automatically spill sample bottle 102; Automatic rotation mechanism (drive unit 403, rolling bearing 401 and stirring vane 402) can be scraped sample and go out, and also can seal Lou sample hole 3, sample can be stirred evenly simultaneously.
This technology can make application of sample more quick and precisely, reduces the labour intensity of personnel, simplifies operating process.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the powder automatic sample feeding device for analytical instrument, comprise for store sample and provide the lofting mechanism of sample (1) and for access described sample from described lofting mechanism (1) and take described sample sample mechanism (2)
It is characterized in that,
Described lofting mechanism (1) bottom offers the leakage sample hole (3) for the described sample that drops,
Described sample that mechanism (2) is provided with opening up layout sample vessel (201),
Described leakage sample hole (3) is arranged with the described opening sampling vessel (201) is corresponding up and down;
Described lofting mechanism (1) sample be provided with for controlling the described sample amount of dropping drops control gear (4), and described sample drops the amount of dropping that control gear (4) drops from described leakage sample hole (3) to control described sample by opening or cut out described leakage sample hole (3).
2. the powder automatic sample feeding device for analytical instrument according to claim 1, is characterized in that,
Described lofting mechanism (1) comprises brace table (101) and for storing described sample and providing the sample bottle (102) of described sample,
Described brace table (101) is provided with the placement position (1011) for placing described sample bottle (102),
The bottleneck (1021) of described sample bottle (102) is fastened on described placement position (1011) down,
The sealing gasket (5) for sealing described bottleneck (1021) is provided with in described bottleneck (1021),
Described in described sealing gasket (5) and capping, the lid (1022) of bottleneck (1021) is superimposed on the upper surface of described brace table (101);
Described leakage sample hole (3) comprises the first perforate (301) be opened on described brace table (101), is opened in the second perforate (302) on described sealing gasket (5) and is opened in the 3rd perforate (303) on described lid (1022)
Described first perforate (301), described second perforate (302) and described 3rd perforate (303) correspondence are arranged.
3. the powder automatic sample feeding device for analytical instrument according to claim 2, is characterized in that,
Described sample drops that control gear (4) comprises rolling bearing (401), the stirring vane (402) be located in described sample bottle (102), for the drive unit (403) that drives described stirring vane (402) to rotate and the baffle plate (404) fitting in described sealing gasket (5) upper surface;
Described stirring vane (402) is rotating to be sheathed on described rolling bearing (401), and described rolling bearing (401) is vertically fixed on described sealing gasket (5);
Described baffle plate (404) is fixed in the bottom of described stirring vane (402) and rotates with described stirring vane (402), described baffle plate (404) is provided with the 4th perforate (6), and described second perforate (302) is in the rotary motion trace of described 4th perforate (6).
4. the powder automatic sample feeding device for analytical instrument according to claim 3, is characterized in that,
The pass of at least two in described first perforate (301), described second perforate (302), described 3rd perforate (303), described 4th perforate (6) is identical and aperture is identical; Or
Described first perforate (301), described second perforate (302), described 3rd perforate (303) are identical with the aperture of described 4th perforate (6), and at least one in described first perforate (301), described second perforate (302), described 3rd perforate (303), described 4th perforate (6) adopts delthyrium, circular hole, square hole, diamond hole, cross bore, slotted hole or oblong aperture.
5. the powder automatic sample feeding device for analytical instrument according to claim 2, is characterized in that,
The described sample control gear (4) that drops comprises and being fixed in stationary shaft (405) on described lid (1022) inside surface, being located at the stirring vane (402) in described sample bottle (102) and the drive unit (403) for driving described stirring vane (402) to rotate;
Described sealing gasket (5) is sheathed on described stationary shaft (405) and above also can horizontally rotates around described stationary shaft (405), and described stirring vane (402) is vertically fixed on described sealing gasket (5);
Described 3rd perforate (303) is on the movement locus of described second perforate (302).
6. the powder automatic sample feeding device for analytical instrument according to claim 2, is characterized in that,
Described placement position (1011) on described brace table (101) is connected with the connecting gear for transmitting described sample bottle (102),
The transmission track of described connecting gear is straight path and/or curvilinear path.
7. the powder automatic sample feeding device for analytical instrument according to any one of claim 1 to 6, is characterized in that,
The described mechanism (2) that samples comprises weigh scale (202) for sampling and the conveying mechanism for sampling vessel (201) described in carrying;
Described weigh scale (202) is provided with parks position (2021) for what sample vessel (201) described in parking,
On described conveying mechanism for export the output terminal that samples vessel (201) described in load-carrying and for input vacant described in sample vessel (201) input end be connected with described position (2021) of parking respectively.
8. the powder automatic sample feeding device for analytical instrument according to any one of claim 3 to 5, is characterized in that,
Described drive unit (403) adopts drive motor, and the output terminal of described drive motor connects and drives described stirring vane (402) to rotate; Or
Described drive unit (403) comprises at least one piece and is located at described sample bottle (102) drive magnet outward (4031) and at least one block of driving magnet (4032) be located on described stirring vane (402), and the like pole between described drive magnet (4031) and described driving magnet (4032) is positioned opposite.
9. the powder automatic sample feeding device for analytical instrument according to claim 8, is characterized in that,
Described drive magnet (4031) is provided with polylith,
Drive magnet described in polylith (4031) is around in described sample bottle (102) and equidistantly arrange outward along the circumferential hoop of described sample bottle (102).
10. the powder automatic sample feeding device for analytical instrument according to claim 8, is characterized in that, described drive magnet (4031) adopts the electromagnet by Current Control electromagnetic force size.
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| CN201410631182.2A CN104374936B (en) | 2014-11-11 | 2014-11-11 | For the powder automatic sample feeding device of analytical instrument |
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| CN201410631182.2A CN104374936B (en) | 2014-11-11 | 2014-11-11 | For the powder automatic sample feeding device of analytical instrument |
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| CN104374936B CN104374936B (en) | 2016-01-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107655734A (en) * | 2017-09-20 | 2018-02-02 | 上海大学 | A kind of powder sample adding device and method |
| CN108508226A (en) * | 2018-03-29 | 2018-09-07 | 湖南三德科技股份有限公司 | Sample sampler |
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| Publication number | Publication date |
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| CN104374936B (en) | 2016-01-13 |
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