CN207114562U - A kind of three-dimensional automatic sampling system - Google Patents

Abstract

A kind of three-dimensional automatic sampling system, including：X-direction moving component includes：It is vertically arranged in the installing plate of both sides, it is provided with the first leading screw and optical axis in X direction between two installing plates, the first leading screw drive division is connected with first leading screw one end, the first leading screw and optical axis are provided with moving mass, moving mass and the first leading screw composition drive mechanism；Y-direction moving component includes：The second leading screw set along Y-direction, the second leading screw drive division is connected with second leading screw one end, the sample tray with the second leading screw composition drive mechanism；Z-direction moving component includes：It is arranged on the square shaft that between two installing plates and the first leading screw and optical axis be arranged in parallel, square shaft passes through moving mass, gear is provided with moving mass, geared sleeve is on the square shaft, the rack moved along Z-direction is equipped with gear, sampling portion is connected with rack, square shaft drive division is connected with square shaft one end.Three-dimensional automatic sampling system sampling efficiency of the present utility model is high.

Description

A kind of three-dimensional automatic sampling system

Technical field

It the utility model is related to automatic sampling system, more particularly to a kind of three-dimensional automatic sampling system.

Background technology

In fields such as biology, chemistry, medical treatment, chemical industry, with the development of automatic technology, automatic sampling system progressively generation Substitute is dynamic to be sampled, as one of key link for obtaining sample.Using automatic sampling system, user can be completed from specific sample Automatically a certain amount of sample is obtained in product container, then by the target containers such as sample delivery to blender, waits and sample is done The further processing such as detection.

Have as a chromatography instrument comprises at least：Infusion pump, automatic sampling system, chromatographic column, chromatographic detection system, Analysis system etc..

The infusion pump is used to provide mobile phase for whole chromatograph analytical instrument, and mobile phase is in chromatography instrument Carry the material that detected sample moves forward, such as acetonitrile-aqueous solution, methanol-water solution etc..

The automatic sampling system is used to automatically take out detected sample from shuttle, then passing ratio valve Sample and flowing are mixed, are then fed into chromatographic column.

The chromatographic column is used to separate sample with the mixed liquid of mobile phase, due to each component in sample Have with the stationary phase (stationary phase is phase that is fixed, separating sample, such as silica gel etc. in chromatography instrument) in chromatographic column There is different polarity, when mobile phase flows through chromatographic column, by the separation of stationary phase, sample is separated out from mobile phase successively, etc. The detection of examining system to be checked.

Chromatographic detection system is used to detect the sample being separated in chromatographic column, is converted to corresponding optical signal or telecommunications Number, it is then sent to analysis system and carries out qualitative and/or quantitative analysis, chromatographic detection system can be fluorescence detecting system, two poles Pipe array detection systems, electrochemical detection system etc..

Analysis system is upper computer software, for detecting obtained optical signal to chromatographic detection system or electric signal is deposited Storage and analysis, analysis result is shown to user.

The analysis efficiency of existing chromatography instrument is very low, and completing once analysis experiment needs dozens of minutes even several The time of hour, the used time is especially long, and the factor for restricting chromatography instrument efficiency has many kinds, includes：1st, the pressure of infusion pump Power is low, efficiency is low, 2, the sampling efficiency of automatic sampling system it is low, 3, the detection time of chromatographic detection system is long, efficiency is low, etc. Deng.

In current chromatography instrument, progressively occur substituting common transfusion pump with high pressure pump to solve infusion pump Pressure is low, the problem of efficiency is low, also there is detection speed chromatographic detection system (such as photodiode battle array new faster Row detecting system etc.), but automatic sampling system be always limit chromatography instrument efficiency the problem of one of.

Utility model content

In order to solve the above-mentioned technical problem, the utility model provides a kind of three-dimensional automatic sampling system, by being provided with Two three-dimensional automatic sampling systems, it is possible to achieve intersect sampling and it is separately sampled, improve the efficiency of automatic sampling.

Three-dimensional automatic sampling system provided by the utility model includes X-direction kinematic system, Y-direction kinematic system, Z side To kinematic system：

The X-direction kinematic system includes the two groups of X-direction be arrangeding in parallel moving components, each group of X-direction motion portion Part includes：

The installing plate of both sides is vertically arranged in, is provided with the first leading screw and optical axis in X direction between two installing plates, with Described first leading screw one end is connected with the first leading screw drive division, and first leading screw and the optical axis are provided with moving mass, The moving mass and first leading screw composition drive mechanism；

The Y-direction kinematic system includes two groups of Y-direction moving components being arranged between the installing plate of the both sides, Two groups of Y-direction moving components be arranged in parallel in the Y direction, and each group of Y-direction moving component includes：

The second leading screw set along Y-direction, the second leading screw drive division is connected with described second leading screw one end, with described the Two leading screws form the sample tray of drive mechanism；

The Z-direction kinematic system includes the two groups of Z-direction being separately mounted on moving mass moving components, each Group Z-direction moving component includes：

The square shaft that between two installing plates and first leading screw and optical axis be arranged in parallel is arranged on, the square shaft passes through The moving mass, gear is provided with the moving mass, and the geared sleeve is equipped with the square shaft with the gear There is the rack moved along Z-direction, sampling portion is connected with the rack, square shaft driving is connected with described square shaft one end Portion.

Three-dimensional automatic sampling system of the present utility model devises two groups of three-dimensional motion systems, includes：Two groups of X-direction fortune Dynamic component, two groups of Y-direction moving components, two groups of Z-direction moving components, two groups of X-direction moving components are set in parallel in X-direction On, wherein the moving mass of each X-direction moving component can the independent left and right shifting in X direction under the driving of the first leading screw It is dynamic；And the moving mass of each X-direction moving component is respectively connected with a Z-direction moving component, each Z-direction moving component can To be moved up and down under the driving of respective square shaft along Z-direction, sampling portion can be driven to be sampled；Two Y-direction motion portions Part be arranged in parallel along Y-direction, and Y-direction moving component is used for placing sample, and each Y-direction moving component can be independent along Y side Move forwards, backwards, to drive sample to the sampling portion of any one Z-direction moving component so that any one Z-direction motion portion The sampling portion of part can obtain sample from any one Y-direction moving component.

Therefore, three-dimensional automatic sampling system of the present utility model realizes the three-dimensional of two groups of independence certainly using less space Dynamic sampling system scheme, what two automatic sampling systems can cooperate realizes a variety of sampling plans, such as one of them is certainly During dynamic sampling system sampling, another automatic sampling system the sampling probe in sampling portion can be carried out to wash pin operation, then hand over again For sampling and washing pin, which offers a saving the waste of substantial amounts of time brought because washing pin, the speed of systematic sampling is accelerated, is improved The efficiency of automatic sampling system.

As one kind for example, in three-dimensional automatic sampling system of the present utility model, each group of X-direction motion portion In part, the optical axis includes primary optic axis and the second optical axis, and first leading screw is arranged on the primary optic axis and described Between two optical axises, and the primary optic axis, first leading screw, second optical axis are in straight line in Z-direction.

As another for example, in three-dimensional automatic sampling system of the present utility model, each group of X-direction motion In part and corresponding one group of Z-direction moving component, the first leading screw drive division is arranged on one in the both sides installing plate On individual installing plate, the square shaft drive division is arranged on another installing plate in the both sides installing plate.

As another for example, in three-dimensional automatic sampling system of the present utility model, each group of Y-direction motion In part, two slide rails parallel with second leading screw are provided with the both sides of second leading screw, the sample tray Bottom is provided with the feed screw nut coordinated with second leading screw, and the bottom of the sample tray is additionally provided with and described two cunnings The first sliding block and the second sliding block that rail coordinates.

As another for example, in three-dimensional automatic sampling system of the present utility model, described two slide rails are circle Cylindricality slide rail.

As another for example, in three-dimensional automatic sampling system of the present utility model, the sample tray includes Pinboard, movable cover plate, specimen holder, the feed screw nut coordinated with second leading screw, first sliding block and described the Two sliding blocks are arranged on the bottom of the pinboard, and the movable cover plate is arranged on the top of the pinboard, the specimen holder peace Mounted in the top of the movable cover plate.

As another for example, in three-dimensional automatic sampling system of the present utility model, each group of Z-direction motion In part, the sampling portion includes：First guide rail, it is fixedly connected with the rack；3rd sliding block and Four-slider, it is fixed On the moving mass, and it is slidably matched respectively with first guide rail, makes first guide rail along the 3rd sliding block Slided with the path of Four-slider composition；Sampling assemble, it is connected with first guide rail.

As another for example, in three-dimensional automatic sampling system of the present utility model, the sampling assemble includes： One extension spring fixed plate, two extension springs, second guide rail, the 5th sliding block, a contiguous block, a pressure bottle block, one Needle stand is sampled, the contiguous block is fixedly connected with first guide rail, and the described 5th is respectively fixed with the contiguous block and is slided Block and the sampling needle stand；Second guide rail is arranged on the 5th sliding block, second guide rail is slided with the described 5th Block forms slide construction；The upper end of second guide rail is fixed with the extension spring fixed plate, and the lower end of second guide rail is fixed There is the pressure bottle block；Described two extension springs are separately positioned on the both sides of second guide rail, and are arranged on the extension spring fixed plate Between the contiguous block, and in the state that is stretched in the presence of the extension spring fixed plate and the contiguous block；It is described to take Sampling probe is fixed with sample needle stand.

As another for example, in three-dimensional automatic sampling system of the present utility model, on the contiguous block respectively Two extension spring pieces are fixed with, described two extension springs are arranged between the extension spring fixed plate and the extension spring piece, and are caused described The axle center of two extension springs and second guide rail parallel.

As another for example, in three-dimensional automatic sampling system of the present utility model, the sliding block is arranged on by institute State sampling needle stand and the contiguous block is surrounded in the space formed.

Three-dimensional automatic sampling system provided by the utility model is designed as the three-dimensional sampling system scheme of two groups of independence, due to X-direction moving component is arranged in parallel, therefore X-direction does not almost expand size, because Y-direction moving component is mutual It is arranged in parallel, therefore Y-direction, almost without size is expanded, Z-direction moving component is arranged on the moving mass of X-direction moving component On, without the size for expanding Z-direction, therefore whole three-dimensional automatic sampling system does not have to expand size substantially yet, and size is small；Due to Include two groups of automatic sampling systems, what can be alternateed is sampled and washes pin operation, therefore substantially increases and take automatically Sample systematic sampling efficiency, has saved sample time；Taken because two groups of Y-direction moving components be free to move to each group The correspondence position in sample portion, user can easily design the placement location of various shuttles, sampling plan flexible design.

Brief description of the drawings

Fig. 1 is a kind of structural representation of three-dimensional automatic sampling system 100 of the present utility model；

Fig. 2 is the structural representation of the main view of three-dimensional automatic sampling system 100 of the present utility model；

Fig. 3 is the structural representation of the vertical view of three-dimensional automatic sampling system 100 of the present utility model；

Fig. 4 is the structural representation of X-direction moving component 1 of the present utility model；

Fig. 5 is the structural representation of Y-direction moving component 2 of the present utility model；

Fig. 6 is the another structural representation of Y-direction moving component 2 of the present utility model；

Fig. 7 is the structural representation of Z-direction moving component 3 of the present utility model；

Fig. 8 is the another structural representation of Z-direction moving component 3 of the present utility model；

Fig. 9 is the structural representation of pressure bottle block 511 of the present utility model；

Wherein, 100 be three-dimensional automatic sampling system, and 1 and 1 ' is X-direction moving component, and 2 and 2 ' be Y-direction moving component, 3 and 3 ' be Z-direction moving component, and 4 be bottom plate, and 5 be sampling portion, and 6 be sampling valve, and 11 and 12 are installing plates, and 13 and 15 are optical axises, 14 be the first leading screw, and 16 be square shaft, and 17 be the first leading screw drive division, and 18 be moving mass, and 21 be the second leading screw, and 22 be the second leading screw Drive division, 23 be feed screw nut, and 24 be pinboard, and 25 and 26 are slide rails, and 27 be movable cover plate, and 28 be specimen holder, and 29 be sample Bottle, 210 be the first sliding block, and 211 be the second sliding block, and 31 be gear, and 32 be square shaft drive division, and 33 be rack, and 51 be the first guide rail, 52 be the 3rd sliding block, and 53 be Four-slider, and 54 be contiguous block, and 55 be the second guide rail, and 56 be the 5th sliding block, and 57 be sampling needle stand, 58 be extension spring fixed plate, and 59 and 510 are extension springs, and 511 be pressure bottle block, and 512 be sampling probe, and 513 and 514 are extension spring pieces, and 515 be light Coupling detector, 516 be optocoupler catch, and 517 be through hole, and 61 be articulamentum, and 62 be supporting layer, and 63 be square groove.

Embodiment

To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and tool Body embodiment is described in further detail to the utility model.

With reference to refer to the attached drawing 1, accompanying drawing 1 shows a kind of three-dimensional automatic sampling system 100 of the present utility model, includes X Direction kinematic system, Y-direction kinematic system, Z-direction kinematic system and bottom plate 4, X-direction kinematic system, which includes, to be arranged in parallel Two groups of X-direction moving components 1 and 1 ', Y-direction kinematic system includes two groups of Y-direction moving components 2 and 2 ' be arrangeding in parallel, Z-direction kinematic system includes two groups of Hes of Z-direction moving component 3 being separately mounted in two groups of X-direction kinematic systems 1 and 1 ' 3 ', wherein X-direction moving component 1 and 1 ' is arranged on bottom plate 4, and Y-direction moving component 2 and 2 ' is arranged on X-direction moving component 1 And on the bottom plate 4 between 1 '.

With reference to refer to the attached drawing 2 and accompanying drawing 4, the present embodiment is that specific embodiment moves to X-direction with X-direction moving component 1 System is described in detail.

In the present embodiment, X-direction moving component 1 includes installing plate 11 and 12, the optical axis 13 for being vertically arranged in both sides With the 15, first leading screw 14, moving mass 18, the first leading screw drive division 17.

Installing plate 11 and 12 is vertically mounted on bottom plate 4, and installing plate 11 and 12, bottom plate 4 together constitute three-dimensional and taken automatically The supporting construction of sample system 1.

Optical axis 13 and 15, leading screw 14 are arranged between two installing plates 11 and 12 in X direction, in the present embodiment X-direction As horizontal direction, wherein leading screw 14 are arranged on the centre of optical axis 13 and optical axis 15, make leading screw 14, optical axis 13, optical axis 15 in Z side To in straight line.

One end of leading screw 14 is connected with leading screw drive division 17, and leading screw drive division 17 is arranged on installing plate 11 in the present embodiment Outside, leading screw drive division 17 can drive leading screw 14 to rotate.Leading screw drive division 17 can be directly constituted by stepper motor, stepping Motor is directly connected with leading screw 14 or realized by stepper motor by timing belt, stepper motor is driven by timing belt Leading screw 14 rotates.

The moving mass 18 is set through the leading screw 14, optical axis 13 and 15, moving mass 18 and the composition transmission knot of leading screw 14 Structure, leading screw drive division 17 can drive leading screw 14 to rotate, and the rotation of leading screw 14 can drive the left and right fortune in X direction of moving mass 18 It is dynamic, i.e., the rotational motion of motor is changed for the linear motion of moving mass 18, the direction of motion of moving mass 18, movement velocity, Movement position etc. is controlled by motor rotational parameters.

Connect, set on leading screw 14 matched generally by feed screw nut between the moving mass 18 and leading screw 14 Feed screw nut, then moving mass 18 is fixed with feed screw nut, you can realize the biography between leading screw 14 and moving mass 18 Dynamic connection.

Set because moving mass 18 also extends through two optical axises 13 and 15, the light simultaneously when moving in X direction of moving mass 18 The limitation of axle 13,15 and leading screw 14 so that moving mass 18 will not produce front and rear swing or rock, and ensure that moving mass 18 one Side-to-side movement on the straight line of bar X-direction, improve the precision of automatic sampling system 100.

Deformed as one kind, the leading screw drive division 17 can also be arranged on the outside of installing plate 12.

Deformed as one kind, the X-direction moving component 1 can comprise only one in optical axis 13 and 15.

Deformed as one kind, the position of the leading screw 14 can not be between optical axis 13 and optical axis 15, such as leading screw 14 is set Put the top in optical axis 13 and optical axis 15.

As another deformation, the leading screw 14, the optical axis 13 and 15 can be staggered in z-direction.

With reference to refer to the attached drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 5 and accompanying drawing 6, the present embodiment is specific with Y-direction moving component 2 Y-direction kinematic system is described in detail embodiment.

Y-direction moving component 2 and 2 ' is arranged on the bottom plate 4 between two installing plates 11 and 12, and is parallel in the Y direction Installation, two Y-direction moving components 2 are consistent with 2 ' structure.

Y-direction moving component 2 includes fixed mount, the second leading screw 21, the second leading screw drive division 22, sample tray, wherein Leading screw 21 is arranged on fixed mount along Y-direction, and leading screw drive division 22 is fixed on fixed mount and the output of leading screw drive division 22 turns Axle is fixedly connected with leading screw 21, and leading screw drive division 22 can drive leading screw 21 to rotate, leading screw 21 and sample tray composition transmission knot Structure, the rotation of leading screw 21 can drive sample tray to be moved along a straight line along Y-direction.

In the present embodiment, Y-direction moving component 2 also includes two slide rails 25 and 26, and sample tray includes switching Plate 24, movable cover plate 27, specimen holder 28.

Slide rail 25 and 26 is parallel to leading screw 21 and is separately mounted to the both sides of leading screw 21 and is fixed on fixed mount, sample carrier The bottom of disk is provided with feed screw nut 23, and feed screw nut 23 directly forms drive mechanism with leading screw 21, in two slide rails 25 and 26 On be also respectively provided with matched the first sliding block 210 and the second sliding block 211.Leading screw drive division 22 can drive 21 turns of leading screw Dynamic, the rotation driving feed screw nut 23 of leading screw 21 moves along a straight line forward or backward in the Y direction, and feed screw nut 23 is due to being and sample What pallet was fixed, therefore sample tray moves along a straight line forward or backward under the drive of feed screw nut 23 along Y-direction.

The pallets of many sample bottles 29 can be prevented because sample tray is traditionally arranged to be, there is certain length and width Degree, in order to avoid sample tray rolls tiltedly to a certain, two slide rails 25 and 26 is provided with to support sample tray so that sample carrier Gravity is uniformly distributed when disk moves under the driving of leading screw 21, smooth, accurate along the slip of Y-direction；Particularly when sampling portion pair When sample bottle 29 applies downward power, slide rail 25 and 26 can effectively support sample tray.

Pinboard 24 is the lower side part of sample tray, the bottom of pinboard 24 respectively with feed screw nut 23, sliding block 25 It is fixedly connected with 26, the movable cover plate 27 is installed on the top of pinboard 24, and the specimen holder is installed on the top of movable cover plate 27 28, specimen holder 28 is used to place sample bottle 29.Such set-up mode causes Y-direction moving component 2 to be easily assembled to, and is easily changed Sample tray.

As a kind of for example, the slide rail 210 and 211 in the present embodiment is cylindrical slide rail, the corresponding He of sliding block 210 211 inner side is cylindrical structural.

Deformed as one kind, slide rail 25 and 26 can also use the slide rail of the other shapes such as square slide rail.

As another deformation, more are could be arranged to 25 and 26 corresponding sliding block of slide rail in the present embodiment.

As another deformation, the slide rail 25 and 26 in the present embodiment can also be omitted, and be made merely with leading screw 21 itself For the supporting construction of sample tray.

As another deformation, the sample tray in the present embodiment can also be integrally formed structure, rather than discrete It is designed as pinboard 24, movable cover plate 27, specimen holder 28.

As explanation, leading screw drive division 22 can be directly constituted by stepper motor, stepper motor directly connects with leading screw 21 Connect or realized by stepper motor by timing belt, stepper motor drives leading screw 21 to rotate by timing belt.

As explanation, sample bottle 29 can be the existing various sample bottles for placing fluid sample.

As explanation, Y-direction moving component 2 and 2 ' could be arranged to completely the same, and the leading screw drive division of the two can also It is separately positioned on the both sides of Y-direction.

With reference to refer to the attached drawing 1, accompanying drawing 2, accompanying drawing 4, accompanying drawing 7 and accompanying drawing 8, the present embodiment is specific with Z-direction moving component 3 Y-direction kinematic system is described in detail embodiment.

Z-direction moving component 3 and Z-direction moving component 3 ' are completely the same structures, are separately mounted to two X-direction fortune On dynamic component 1 and 1 ', moved left and right in X direction under the drive of X-direction moving component 1 and 1 '.

Z-direction moving component 3 includes square shaft 16, gear 31, square shaft drive division 32, rack 33, sampling portion 5.

Wherein, square shaft 16 is arranged between two installing plates 11 and 12, is parallel with leading screw 14 and optical axis 13 and optical axis 15 Set, gear 31 is arranged on moving mass 18 and is arranged and on square shaft 16, square shaft drive division 32 is fixedly connected with square shaft 16, tooth Wheel 31 is equipped with the rack 33 along Z-direction, and sampling portion 5 is fixedly mounted with rack 33, can drive sampling portion 5 in X direction Move left and right and moved up and down along Z-direction, square shaft drive division 32 is arranged on the outside of installing plate 12, can also be arranged on installation The outside of plate 11.

Because gear 31 is fixedly connected with moving mass 18, thus can under the drive of moving mass 18 in X direction to the left or Move right, therefore and drive sampling portion 5 to move to the left or to the right in X direction.Square shaft drive division 32 can drive square shaft 16 rotate, square shaft 16 rotate again can the rotation with moving gear 31, the rotation of gear 31 and then can be with carry-over bar 33 along Z side To being moved upwardly or downwardly, and then drive sampling portion 5 to be moved upwardly or downwardly along Z-direction, be sampled.

Sampling portion 5 is described in detail below.

Sampling portion 5 includes the first guide rail 51, the 3rd sliding block 52, Four-slider 53, contiguous block 54, the second guide rail 55, Five sliding blocks 56, sampling needle stand 57, extension spring fixed plate 58, extension spring 59 and 510, pressure bottle block 511, sampling probe 512, the and of extension spring piece 513 514th, optocoupler detector 515, optocoupler catch 516, wherein contiguous block 54, the second guide rail 55, the 5th sliding block 56, sampling needle stand 57, Extension spring fixed plate 58, extension spring 59 and 510, pressure bottle block 511, sampling probe 512, extension spring piece 513 and 514, optocoupler detector 515, light Coupling catch 516 etc. constitutes (automatic) sampling assemble, and gear 31, rack 33, moving mass 18, first guide rail 51 etc. constitute The sampling assemble fixed part of (automatic) sampling assemble.

First guide rail 51 is fixed together with the rack 33 along Z-direction so that the first guide rail 51 can be in rack Moved up and down under 33 drive along Z-direction.

Sliding block 52 and 53 is fixedly mounted on moving mass 18, and sliding block 52 and 53 forms sliding matching structure with guide rail 51, So that guide rail 51 is slided in the path that sliding block 52 and 53 forms when being moved up and down along Z-direction, without producing left and right skew.

Contiguous block 54 is fixedly connected with guide rail 51, and contiguous block 54 can move up and down under the drive of guide rail 51 along Z-direction.

5th sliding block 56 and sampling needle stand 57 are installed on contiguous block 54, and sliding block 56 is arranged on the sampling He of needle stand 57 Contiguous block 54 is surrounded in the space formed, has saved space, also causes being more firmly mounted, being not likely to produce skew for sliding block 56.

Second guide rail 55 is arranged on the sliding block 56, guide rail 55 and sliding block 56 is formed slide construction, and guide rail 55 can be with The straight line limited along sliding block 56 moves up and down.

The upper end of guide rail 55 is fixed with extension spring fixed plate 58,58 generally T-shaped structure of extension spring fixed plate, and both sides are used to install Extension spring 59 and 510, extension spring 59 and 510 is separately positioned on the both sides of guide rail 55, and is installed in extension spring fixed plate 58 and contiguous block Between 54, extension spring 59 and 510 is in the presence of extension spring fixed plate 58 and contiguous block 54 all the time in the state that is stretched.

In the present embodiment, two extension spring pieces 513 and 514, the He of extension spring piece 513 are respectively fixed with the both sides of contiguous block 54 Extension spring 59 and 510 is installed between 514 and extension spring fixed plate 58, and make it that the axle center of extension spring 59 and 510 is parallel with guide rail 55, I.e. so that the axle center of two extension springs 59 and 510 is along Z-direction to be in straight line, best effect can be reached.

The axle center of extension spring 59 and 510 refers to：Because extension spring is generally cylindrical structure, the axle center of cylinder is the cylinder The straight line that the center of circle of the circular section of body is limited, the straight line are the axle center of extension spring.

Pressure bottle block 511 is installed in the lower end of guide rail 55, pressure bottle block 511 is used to fix sample bottle 29 in sampling, made Sample bottle 29 will not rock when must sample.

Sampling probe 512 is installed on sampling needle stand 57, a through hole 517 is provided with pressure bottle block 511 so that sampling Pin 512 can pass through the through hole 517.

In the present embodiment, include articulamentum 61 and supporting layer 62 with reference to refer to the attached drawing 9, the pressure bottle block 511, connect The U-shaped structure in cross section of layer 61, the top of U-shape structure are arranged to the square groove 63 matched with guide rail 55, under U-shape structure Portion is through hole 517, supporting layer 62 in cylinder type, be arranged on the bottom of articulamentum 61, supporting layer 62 is directly and sample bottle during sampling 29 contacts, the middle part of supporting layer 62 are similarly the through hole 517, i.e. through hole 517 passes through bottom and the supporting layer 62 of articulamentum 61, Sampling probe 512 is allowd to enter sample bottle 29 through through hole 517.

A screw hole is also provided with the square groove 63 of pressure bottle block 511, for by a screw by pressure bottle Block 511 is fixed together with guide rail 55.

In the present embodiment, an optocoupler detector 515 is additionally provided with the contiguous block 54, it is corresponding on guide rail 55 It is provided with optocoupler catch 516, optocoupler detector 515 and optocoupler catch 516 can be used for detecting (or the automatic sampling group of sampling portion 5 Part) initial zero position is in, or in a certain precalculated position.

Deformed as one kind, the axial direction of the extension spring 59 and 510 can also deviate Z-direction, such as two Hes of extension spring 59 510 bottom can be to be received in the direction of direction guiding rail 55.

Deformed as one kind, the contiguous block 54 directly can be connected with extension spring 59 and 510, without extension spring piece 513 With 514.

Deformed as one kind, the sliding block 56 can not also in by contiguous block 54 and the space that surrounds of sampling needle stand 57, It is but separately installed.

Deformed as one kind, on the pressure bottle block 511 can also by set the modes such as semi-surrounding hole fix sample bottle 29, And sampling probe 512 is set to enter sample bottle 29 through pressure bottle block 511.

Deformed as one kind, the pressure bottle block 511 can also also can only with the structure of the shapes such as such as trapezoidal, rectangle Reach the effect of fixed sample bottle 29.

As one kind for example, the optocoupler catch 516 is L-shaped, wherein a line is fixed with guide rail 55, another a line Corresponding with the detecting position of optocoupler detector 515, optocoupler catch 516 can reach optocoupler detector 515 under the drive of guide rail 55 Detecting position, now show that sampling portion 5 (or automatic sampling component) reaches predetermined initial zero position, when sampling when, in guide rail Under 55 drive, optocoupler catch 516 leave the detecting position of optocoupler detector 515, be sampled.

As one kind for example, being disposed with multiple extension spring fixing holes, Ke Yigen on the extension spring piece 513 and 514 Different extension spring fixing holes is selected according to the size of the pulling force of extension spring 59 and 510.

Specific sampling process is described in detail 1- accompanying drawings 9 below in conjunction with the accompanying drawings.

Using the direction shown in accompanying drawing 2 as forward direction, when user uses three-dimensional automatic sampling system 100 described in the utility model When being sampled, user needs to place the sample bottle 29 built with sample on the specimen holder 28 of moving component 2 and 2 ' in the Y direction, Sample bottle 29 can select different models as needed, and many individual sample bottles 29 can be placed with specimen holder 28, in two Y Identical sample can be placed with sample bottle on direction moving component 2 and 2 ', different samples can also be placed with.

Described two Z-direction moving components 3 are connected with the fixing end of 3 ' two sampling probes 512 by respective conduit To same sampling valve 6, sampling valve 6 can be six-way valve, eight ways valve etc., and the sampling valve 6 shown in accompanying drawing 1 is six-way valve.

During specific connection, the sampling probe 512 of Z-direction moving component 3 is connected to one of them of sampling valve 6 by conduit and entered Sample end, the sampling probe of Z-direction moving component 3 ' are connected to another sample introduction end of sampling valve 6 by conduit.

When specific sampling, in X-direction moving component 1, the first leading screw drive division 17 driving leading screw 14 rotates, the band of leading screw 14 The whole Z-direction moving component 3 of dynamic moving mass 18 and connection moving mass 18 moves to Y-direction moving component 2 to the left in X direction Top, Y-direction moving component 2, under the driving of the second leading screw drive division 22, leading screw 21 rotates and drives specimen holder 28 along Y-direction Move forward to the lower section of X-direction moving component 1 so that the sampling probe 512 of Z-direction moving component 3 is directed at Y-direction moving component Sample bottle 29 on 2；In X-direction moving component 1 ', the first leading screw drive division driving leading screw rotates, and leading screw drives moving mass and company The whole Z-direction moving component for connecing moving mass moves right the top of Y-direction moving component 2 ', Y-direction motion portion in X direction In part 2 ', under the driving of the second leading screw drive division, leading screw rotate drive specimen holder 28 along Y-direction move rearwards to X-direction fortune The lower section of dynamic component 1 ' so that the sample bottle on the sampling probe alignment Y-direction moving component 2 ' of Z-direction moving component 3 '.

Sampling valve 6 is switched in the path that the sampling probe 512 of Z-direction moving component 3 connects, then Z-direction motion portion The square shaft drive division 32 of part 3 moves, and drives square shaft 16 and gear 31 to rotate, and the rotation of gear 31 can transport under the band row of carry-over bar 33 Dynamic, rack 33 can drive the guide rail 51 being fixedly connected with rack 33 synchronously to move downward, guide rail 51 can then drive contiguous block 54 to Lower motion, the whole sampling portion 5 being connected with contiguous block 54 can move downward, and pressure bottle block 511 is first during moving downward First contact and push down sample bottle 29, under the driving of square shaft drive division 32, whole sampling portion 5 continues to move downward, now due to Pressure bottle block 511 with sample bottle 29 fix contact, pressure bottle block 511 and guide rail 55 no longer move, and rack 33, guide rail 51, Contiguous block 54, sampling probe 512 etc. continue to move downward, and moving downward for contiguous block 54 can be continuous with the transfixion of guide rail 55 Two extension springs 59 and 510 are stretched, extension spring 59 and 510 is constantly further stretched by the effect of pulling force, until sampling probe 512 punctures The rubber bottle cap of sample bottle 29, into being sampled in sample bottle 29, sampling probe 512 enters in sample bottle 29 the sample meeting obtained Into in the quantitative loop of sampling valve 6, primary sample is completed, then square shaft drive division 32 rotates backward, drives square shaft 16 reversely to turn Dynamic, square shaft 16 can rotate backward with moving gear 31, and rotating backward for gear 31 can move upwards with carry-over bar 33 and guide rail 51, lead Rail 51 can drive the grade of contiguous block 54 to move upwards, because the pulling force of extension spring 59 and 510 continues to apply downward power to guide rail 55, pressure Bottle block 511 remains stationary as, and sampling probe 512 progressively takes off the rubber bottle cap of power sample bottle 29, then continues up fortune in contiguous block 54 In dynamic process, the pulling force of extension spring 59 and 510 progressively reduce, the free degree of guide rail 55 is progressively released, drive pressure bottle block 511 from Open sample bottle, return to initial position, the sampling process of the first step is completed.

After the completion of the sampling of the above-mentioned first step, the first leading screw drive division 17 whole sampling portion 5 can be driven to continue to transport to the left Move and wash pin position, carry out washing pin (including inner and outer wall of sampling probe 512 etc.) operation.

It is above-mentioned wash pin operation during, sampling valve 6 is switched to the sampling probe connecting path of Z-direction moving component 3 ' In, Z-direction moving component 3 ' repeats the sampling process of above-mentioned Z-direction moving component 3：The square shaft driving of Z-direction moving component 3 ' Portion is moved, and drives square shaft and pinion rotation, and the rotation of gear can be moved under band carry-over bar row, and rack, which can drive to fix with rack, to be connected The guide rail connect synchronously moves downward, and guide rail can then drive contiguous block to move downward, and the whole sampling portion being connected with contiguous block can Move downward, pressure bottle block contacts and pushes down sample bottle first during moving downward, whole under the driving of square shaft drive division Individual sampling portion continues to move downward, and now fixes contacting with sample bottle due to pressure bottle block, pressure bottle block and guide rail are no longer transported It is dynamic, and rack, guide rail, contiguous block, sampling probe etc. continue to move downward, the transfixion moved downward with guide rail of contiguous block Can constantly stretch two extension springs and, extension spring and constantly further stretched by the effect of pulling force, until sampling probe punctures sample bottle Rubber bottle cap, into being sampled in sample bottle, sampling probe, which enters in sample bottle the sample obtained, can enter determining for sampling valve Measure in ring, complete primary sample, then square shaft drive division rotates backward, drives square shaft to rotate backward, and square shaft can be anti-with moving gear To rotation, rotating backward for gear can move upwards with carry-over bar and guide rail, and guide rail can drive contiguous block etc. to move upwards, due to The pulling force of extension spring sum continues to apply downward power to guide rail, and pressure bottle block remains stationary as, and sampling probe progressively takes off the rubber of power sample bottle Bottle cap, then during contiguous block continues up, the pulling force of extension spring sum progressively reduce, the free degree of guide rail progressively by Release, pressure bottle block is driven to leave sample bottle, return to initial position, the sampling process of second step is completed.

After the completion of the sampling of above-mentioned second step, the first leading screw drive division can drive whole sampling portion continue to the left (or to It is right) move to and wash pin position, carry out washing pin (including inner and outer wall of sampling probe etc.) operation, X-direction moving component 1 and Z side Continue the sampling operation of next step to moving component 3, and sequentially repeat said process.

It should be noted that in above-mentioned sampling process, can be exchanged between two Y-direction moving components 2 and 2 ', or only Above-mentioned sampling process can also be completed using a Y-direction moving component, simply need Y-direction moving component in every sub-sampling Moved forward and backward.

It should be further stated that due to three-dimensional automatic sampling system 100 of the present utility model includes can be free Two groups of sampling systems of sampling system are formed, can also complete to carry out the sampling work of two kinds of samples simultaneously, such as X-direction motion Part 1, Y-direction moving component 2, Z-direction moving component 3 are used to be sampled sample 1 therein, X-direction moving component 1 ', Y-direction moving component 2 ', Z-direction moving component 3 ' are used to be sampled sample 2 therein so that sampling plan is more various Change.

Sampling portion 5 described in the utility model (or automatic sampling group can be seen that by the description of above-mentioned sampling process Part) due to using 59 and 510 fixed form as pressure bottle block 511 of free guide rail 55 and extension spring, it can perfectly adapt to difference The sample bottle 29 of height, will not because exert oneself it is excessive push down sample bottle 29, drawn during sampling probe 512 departs from sample bottle 29 Power caused by spring 59 and 510 can push down pressure bottle block 511 again so that pressure bottle block 511 is previous in the disengaging sample bottle 29 of sampling probe 512 Sample bottle 29 can be directly pushed down, whole sampling process is quick, accurate, efficiency high, therefore sampling portion 5 of the present utility model (or it is automatic Sampling assemble) scheme solve sample bottle size it is varied bring it is how correct, will not exert oneself excessive to push down sample bottle The problem of, and how sampling probe to be rapidly separated the problem of sample bottle is without taking up sample bottle.

The sampling process of three-dimensional automatic sampling system 100 of the present utility model is in two three-dimensional automatic sampling systems (difference By X-direction moving component 1, Y-direction moving component 2, Z-direction moving component 3 and X-direction moving component 1 ', Y-direction moving component 2 ', Z-direction moving component 3 ' forms) between switch successively, wash in pin operating process even in one of them three-dimensional sampling system, Another three-dimensional sampling system can also continuous firing, substantially increase the sampling efficiency of automatic sampling system, reduce twice Time interval between sampling, the analysis effect using the chromatography instrument of the three-dimensional automatic sampling system 100 can be improved Rate, shorten analysis time, therefore three-dimensional automatic sampling system of the present utility model solves the sampling efficiency of automatic sampling system The problem of low.

Above-described is only specific embodiment of the utility model, should be understood that the explanation of above example only It is to be used to help understand method and its core concept of the present utility model, is not used to limit the scope of protection of the utility model, All any modifications made within thought of the present utility model and principle, equivalent substitution etc., it is new to should be included in this practicality Within the protection domain of type.

Claims (10)

1. a kind of three-dimensional automatic sampling system, include X-direction kinematic system, Y-direction kinematic system, Z-direction kinematic system, its It is characterised by：

The X-direction kinematic system includes the two groups of X-direction be arrangeding in parallel moving components, each group of X-direction moving component bag Include：

The installing plate of both sides is vertically arranged in, is provided with the first leading screw and optical axis in X direction between two installing plates, it is and described First leading screw one end is connected with the first leading screw drive division, and first leading screw and the optical axis are provided with moving mass, described Moving mass and first leading screw composition drive mechanism；

The Y-direction kinematic system includes two groups of Y-direction moving components being arranged between the installing plate of the both sides, described Two groups of Y-direction moving components be arranged in parallel in the Y direction, and each group of Y-direction moving component includes：

The second leading screw set along Y-direction, is connected with the second leading screw drive division, with described second with described second leading screw one end Thick stick forms the sample tray of drive mechanism；

The Z-direction kinematic system includes the two groups of Z-direction being separately mounted on moving mass moving components, each group of Z Direction moving component includes：

The square shaft that between two installing plates and first leading screw and optical axis be arranged in parallel is arranged on, the square shaft is described in Moving mass, gear is provided with the moving mass, and the geared sleeve is equipped with edge on the square shaft with the gear The rack of Z-direction motion, is connected with sampling portion with the rack, square shaft drive division is connected with described square shaft one end.

2. three-dimensional automatic sampling system according to claim 1, it is characterised in that：

In each group of X-direction moving component, the optical axis includes primary optic axis and the second optical axis, and first leading screw is set Put between the primary optic axis and second optical axis, and the primary optic axis, first leading screw, second optical axis exist Z-direction is in straight line.

3. three-dimensional automatic sampling system according to claim 1 or 2, it is characterised in that：

In each group of X-direction moving component and corresponding one group of Z-direction moving component, the first leading screw drive division installation On an installing plate in the both sides installing plate, the square shaft drive division is arranged on another in the both sides installing plate On installing plate.

4. three-dimensional automatic sampling system according to claim 1, it is characterised in that：

In each group of Y-direction moving component, it is provided with the both sides of second leading screw parallel with second leading screw Two slide rails, the bottom of the sample tray are provided with the feed screw nut coordinated with second leading screw, the sample tray Bottom is additionally provided with the first sliding block and the second sliding block coordinated with described two slide rails.

5. three-dimensional automatic sampling system according to claim 4, it is characterised in that：

Described two slide rails are cylindrical slide rail.

6. three-dimensional automatic sampling system according to claim 5, it is characterised in that：

The sample tray includes pinboard, movable cover plate, specimen holder,

The feed screw nut, first sliding block and second sliding block coordinated with second leading screw is arranged on the switching The bottom of plate, the movable cover plate are arranged on the top of the pinboard, and the specimen holder is arranged on the upper of the movable cover plate Portion.

7. three-dimensional automatic sampling system according to claim 1, it is characterised in that：

In each group of Z-direction moving component, the sampling portion includes：

First guide rail, it is fixedly connected with the rack；

3rd sliding block and Four-slider, it is fixedly mounted on the moving mass, and is slidably matched respectively with first guide rail, First guide rail is set to be slided along the path that the 3rd sliding block and the Four-slider form；

Sampling assemble, it is connected with first guide rail.

8. three-dimensional automatic sampling system according to claim 7, it is characterised in that：

The sampling assemble includes：One extension spring fixed plate, two extension springs, second guide rail, the 5th sliding block, one Contiguous block, a pressure bottle block, a sampling needle stand,

The contiguous block is fixedly connected with first guide rail, and the 5th sliding block and institute are respectively fixed with the contiguous block State sampling needle stand；

Second guide rail is arranged on the 5th sliding block, second guide rail is formed with the 5th sliding block and is slided knot Structure；

The upper end of second guide rail is fixed with the extension spring fixed plate, and the lower end of second guide rail is fixed with the pressure bottle Block；

Described two extension springs are separately positioned on the both sides of second guide rail, and are arranged on the extension spring fixed plate and the connection Between block, and in the state that is stretched in the presence of the extension spring fixed plate and the contiguous block；

Sampling probe is fixed with the sampling needle stand.

9. three-dimensional automatic sampling system according to claim 8, it is characterised in that：

It is respectively fixed with two extension spring pieces on the contiguous block, described two extension springs are arranged on the extension spring fixed plate and described Between extension spring piece, and cause the axle center of described two extension springs and second guide rail parallel.

10. three-dimensional automatic sampling system according to claim 9, it is characterised in that：

The sliding block is arranged on to be surrounded in the space formed by the sampling needle stand and the contiguous block.