CN107831040A - A kind of fluid sample sampler - Google Patents
A kind of fluid sample sampler Download PDFInfo
- Publication number
- CN107831040A CN107831040A CN201711035263.6A CN201711035263A CN107831040A CN 107831040 A CN107831040 A CN 107831040A CN 201711035263 A CN201711035263 A CN 201711035263A CN 107831040 A CN107831040 A CN 107831040A
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- axis
- drive mechanism
- screw mandrel
- slide unit
- fluid sample
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- 239000012530 fluid Substances 0.000 title claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 92
- 238000005213 imbibition Methods 0.000 claims abstract description 61
- 238000004140 cleaning Methods 0.000 claims abstract description 21
- 238000012360 testing method Methods 0.000 claims description 37
- 230000000694 effects Effects 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 238000005070 sampling Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 10
- 238000013461 design Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 230000002572 peristaltic effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009183 running Effects 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 240000005373 Panax quinquefolius Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001095 motoneuron effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- 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
Abstract
The present invention relates to liquid acquisition technical field, more particularly to a kind of fluid sample sampler, including driving structure, imbibition head assembly and cleaning structure, drive mechanism includes Z axis drive mechanism, Y-axis drive mechanism and the X-axis drive mechanism that can be linked, ingenious, positioning action exactly is carried out to this Anyang mechanism by drive mechanism, and set cleaning structure to carry out cleaning after imbibition head assembly completes primary sample recycled, do not influenceed by collection fluid sample before during the fluid sample of the collection at second.Structure setting of the present invention is reasonable, easy to operate.
Description
Technical field
The present invention relates to liquid acquisition technical field, especially a kind of fluid sample sampler.
Background technology
With the development of technology, in increasing product and Productive statistics into experimental situation, and detection device be must
Indispensable.And the representativeness of sample, typicalness, ageing and sample detection procedural is generally considered when sampling, so right
Also just there is certain requirement in the sampler of fluid sample.
A kind of great Rong is disclosed for the sample detecting equipment of sample, such as patent of Application No. " 201520282469.9 "
Automatic water sampling instrument is measured, its structure includes instrument framework, the X-axis drive mechanism being installed in instrument framework, Y-axis drive mechanism, Z
Axle drive mechanism, imbibition head assembly and peristaltic pump；The Z axis drive mechanism is used to drive imbibition head assembly to move along Z-direction,
Including：Z axis drive device and Z-direction guide rail, the imbibition head assembly include：Be installed on needle support on Z-direction guide rail and
The industrial syringe needle being fixed in needle support, the industrial syringe needle are connected with peristaltic pump by silicone tube；The Y-axis drive mechanism
Including：Y-axis driving device and Y-direction guide rail, the Z axis drive mechanism are connected by Z axis X-axis slide unit with Y-axis drive mechanism
And it can be moved in the Y direction on guide rail；The X-axis drive mechanism includes：X-axis driving device and X-direction guide rail, the Y-axis
Drive mechanism is connected with X-axis drive mechanism by Y-axis X-axis slide unit and can moved on X-direction guide rail；The instrument frame
It is located in vivo below industrial syringe needle and is provided with a rack for test tube, formed with some test tube standing grooves on rack for test tube.This patent utilization is synchronous
With driving three between centers are carried out to be linked, and timing belt to a certain extent for easily cause failure, service life is relatively
It is short；And because the different sub-samplings again of sample property perhaps can cause error after the first sub-sampling；If each sub-sampling
Afterwards, industrial syringe needle is all changed, then is taken a substantial amount of time and manually, so prior art still suffers from many weak points, this
Invention will propose improvement project to these problems.
The content of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of simple in construction, driving structure is closed
Reason, can automated cleaning, a kind of more reliable fluid sample sampler of detection structure.
To achieve the above object, the present invention uses following technical scheme：A kind of fluid sample sampler, including frame,
Driving structure, imbibition head assembly and cleaning structure：
The driving structure, including Z axis drive mechanism, Y-axis drive mechanism and the X-axis drive mechanism that can be linked：X-axis drives
Mechanism, it is arranged in frame, and X-axis slide unit, X-axis slide block, X-axis motor and the X-axis screw mandrel extended along X-direction, the X-axis is slided
Platform and the X-axis motor are respectively arranged in the frame, and X-direction guide rail, the X-axis slide block are provided with the X-axis slide unit
Slide and coordinate with the X-direction guide rail, the X-axis screw mandrel is installed on the X-axis slide unit, the output shaft of the X-axis motor with
The X-axis screw mandrel is set in parallel, and synchronizing wheel, one end of the X-axis screw mandrel and institute are provided with the output shaft of the X-axis motor
X-axis slide block drive connection is stated, the other end of the X-axis screw mandrel is provided with driven pulley, between the synchronizing wheel and the driven pulley
Connected by toothed belt transmission；
The Y-axis drive mechanism, including the y-axis motor and Y-axis slide unit being installed on X-axis slide unit, set on the Y-axis slide unit
Be equipped with Y-direction guide rail, on the Y-direction guide rail activity Y-axis sliding block is set, y-axis motor passes through Y-axis screw mandrel and is driven with Y-axis sliding block
Connection, the y-axis motor driving Y-axis screw mandrel drive Y-axis sliding block to be moved along Y-direction guide rail；
The Z axis drive mechanism, including the Z axis motor and Z axis slide unit being installed on Y-axis slide unit, Z is set on the Z axis slide unit
Traversing guide, on the Z-direction guide rail activity Z axis sliding block is set, Z axis motor is connected by Z axis screw mandrel and Z axis sliding block,
The Z axis motor driving Z axis screw mandrel drives Z axis sliding block to be moved along Z-direction guide rail；
The imbibition head assembly, including the mounting blocks being fixed on Z axis sliding block and the pneumatic needle tubing being arranged on mounting blocks, in Z
The guide pad with guide through hole is also set up on traversing guide, the guide pad is correspondingly arranged with mounting blocks, pneumatic needle tubing sampling
When it is mobile towards guide pad and pass through guide pad through the guide through hole；
The cleaning structure, it is placed on the workbench below Z axis drive mechanism, and the workbench is in the imbibition head assembly
Clean frame and rack for test tube are respectively equipped with the moving area at imbibition end, some clean tanks are provided with the clean frame, it is described clear
The cleaning fluid cleaned for the imbibition end to imbibition head assembly is contained with clean groove, some use are provided with the rack for test tube
In the test tube for holding sample.
In a kind of above-mentioned fluid sample sampler, shifting of the workbench at the imbibition end of the imbibition head assembly
Monitor station is additionally provided with dynamic region, the monitor station is provided with injection port.
In a kind of above-mentioned fluid sample sampler, the insertion being adapted with rack for test tube bottom is set on the table
Groove, the rack for test tube are arranged at least one set of.
In a kind of above-mentioned fluid sample sampler, the clean frame be arranged in parallel with X-axis drive mechanism.
In a kind of above-mentioned fluid sample sampler, the clean frame is vertical setting with X-axis drive mechanism.
In a kind of above-mentioned fluid sample sampler, the guide pad is arranged at Z axis drive mechanism bottom, described to lead
Set to the tapered enlarging shape in upper end of through hole, guide through hole lower end is set in cylinder.
In a kind of above-mentioned fluid sample sampler, support frame, the X-axis silk are set respectively at X-axis screw mandrel both ends
Bar is flexibly connected with support frame, and support frame as described above is fixedly connected with X-axis slide unit.
In a kind of above-mentioned fluid sample sampler, the X-axis slide unit close to the output shaft of the X-axis motor one
End is provided with the avoid holes passed through for the timing belt.
In a kind of above-mentioned fluid sample sampler, the output shaft of the y-axis motor is joined with Y-axis screw mandrel by Y-axis
Axle device is connected.
In a kind of above-mentioned fluid sample sampler, the output shaft of the Z axis motor is joined with Z axis screw mandrel by Z axis
Axle device is connected.
Beneficial effects of the present invention are：
1st, by the mobile drive Y-axis of X-axis, by the movement of the mobile drive Z axis of Y-axis, three is linked, pass through three axles
Adjustment reach the effect of positioning.
2nd, force piece is arranged on below rail plate by a kind of above-mentioned drive device, original force piece is set in place
Space is saved beside telephone-moving structure so that whole equipment more compact structure, design are more reasonable.
3rd, by setting clean frame to avoid imbibition head end from being impacted after a sample is gathered to secondary collection.
4th, the setting of multiple clean tanks be in order to which when suction nozzle detects different samples, the Traits change of sample room is excessive,
One clean tank is easily contaminated not to have cleaning effect.
5th, suction pipe is close to test tube under the motion of Z axis drive mechanism, stablizes compared to manual sampling more preferable.Operated in mechanization
Under collection for unknown liquid, the amount of collection can also control more accurate, and the reliability of relative safety and data is also entered
One step is lifted.
6th, the setting of embedded structure is to fix rack for test tube, rack for test tube is not easily susceptible to the influence of external force and is moved easily
Cause the positioning of three axles inaccurate.
7th, rack for test tube can be according to detection needs, multiple settings in the range of three-axis moving, simple in construction and operation facility.
8th, motor is disposed as servomotor, makes the degree of accuracy of control and automation higher.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of drive mechanism in the present invention.
Fig. 3 is the structural representation of X-axis drive mechanism in drive mechanism of the present invention.
Fig. 4 is the structural representation of Y-axis drive mechanism in drive mechanism of the present invention.
Fig. 5 is the structural representation of Z axis drive mechanism in drive mechanism of the present invention.
Fig. 6 is the structural representation of transmission component in X-axis drive mechanism of the present invention.
Fig. 7 is the structural representation of imbibition head assembly in the present invention.
Fig. 8 is the structural representation of guide pad in the present invention.
Fig. 9 is the structural representation of cleaning structure in the present invention.
In figure：100th, frame；110th, monitor station；111st, injection port；120th, rack for test tube；121st, test tube standing groove；130th, Z axis
Frame；131st, guide chute；140th, workbench；141st, embedded groove；200th, driving structure；210th, Z axis drive mechanism；210a, Z axis
Motor；210b, Z-direction guide rail；210c, Z axis screw mandrel；210d, Z axis slide unit；210e, Z axis sliding block；210f, Z axis shaft coupling；
220th, Y-axis drive mechanism；220a, y-axis motor；220b, Y-direction guide rail；220c, Y-axis screw mandrel；220d, Y-axis slide unit；220e、Y
Axle sliding block；220f, Y-axis shaft coupling；230th, X-axis drive mechanism；230a, X-axis motor；230b, X-direction guide rail；230c, X-axis silk
Bar；230d, X-axis slide unit；230e, X-axis slide block；230f, support frame；231a, synchronizing wheel；231b, driven pulley；231c, timing belt；
231d, avoid holes；300th, imbibition head assembly；310th, mounting blocks；320th, guide pad；321st, guide through hole；400th, cleaning structure；
410th, clean frame；411st, clean tank.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in Figures 1 to 9, a kind of fluid sample sampler, including frame 100 and the drive that is arranged in frame 100
Dynamic structure 200, imbibition head assembly 300 and cleaning structure 400.
The driving structure 200, including Z axis drive mechanism 210, Y-axis drive mechanism 220 and the X-axis that can be linked are driven
Motivation structure 230.It is arranged in frame 100 X-axis drive mechanism 230, along the X-axis slide unit 230d of X-direction extension, X-axis slide block
230e, X-axis motor 230a and X-axis screw mandrel 230c, the X-axis slide unit 230d and the X-axis motor 230a are respectively arranged at described
In frame 100, X-direction guide rail 230b, the X-axis slide block 230e and the X-direction guide rail are provided with the X-axis slide unit 230d
230b slidings coordinate, and the X-axis screw mandrel 230c is installed on the X-axis slide unit 230d.
The X-axis slide block 230e being connected with Y-axis drive mechanism 220, the X-axis slide block are also set up in X-axis drive mechanism 230
230e is connected with X-axis drive mechanism 230, and X-axis motor 230a drivings X axial filament bars 230c X-axis slide block 230e to be moved are led in X direction
Rail 230b is moved.X-axis slide block 230e setting makes total more stable.
Now, y-axis motor 220a is arranged on the X-axis slide block 230e of X-axis drive mechanism 230, also functions to a balance Y
The effect of axle drive mechanism 220, avoid that the situation generation that one end is inclined in the one end of Y-axis drive mechanism 220 occurs.
Further, it is currently preferred to be connected the one end of Y-axis drive mechanism 220 with the end of Z axis drive mechanism 210.
Connection described herein can make to be fixedly connected or be flexibly connected, and can be set according to concrete condition.
Further, X-axis drive mechanism 230 include X-axis motor 230a, X-direction guide rail 230b and with X-direction guide rail
X-axis the screw mandrel 230c, the X-axis motor 230a driving X-axis screw mandrels 230c that 230b be arranged in parallel drive Y-axis drive mechanism 220 to move
It is dynamic.
Support frame 230f, the X-axis screw mandrel 230c and support frame 230f activity are set respectively at X-axis screw mandrel 230c both ends even
Connect, support frame as described above 230f is fixedly connected with X-axis slide unit 230d, sets support frame 230f to make X-axis screw mandrel 230c structures more firm.
Specifically, support frame as described above 230f is flexibly connected with X-axis screw mandrel 230c, support frame 230f consolidates with X-axis slide unit 230d
Fixed connection.
X-axis drive mechanism 230 is arranged on X-axis slide unit 230d, and X-axis slide unit 230d is connected with frame 100, and transmission component is worn
Cross X-axis slide unit 230d connections Z axis motor 210a and Z axis screw mandrel 210c.X-axis slide unit 230d setting makes structure more stable.
The output shaft of the X-axis motor 230a is set in parallel with the X-axis screw mandrel 230c, the X-axis motor 230a's
One end and the X-axis slide block 230e that synchronizing wheel 231a, the X-axis screw mandrel 230c are provided with output shaft are connected, and X-axis is driven
Motivation structure 230 also includes transmission component, and the transmission component is included with driving wheel 231a, driven pulley 231b and timing belt 231c.
The other end of the X-axis screw mandrel 230c is provided with driven pulley 231b, the synchronizing wheel 231a and the driven pulley
It is connected between 231b by timing belt 231c.
The X-axis motor 230a is connected with X-axis screw mandrel 230c by transmission component.Transmission component one end and X-axis motor
230a connections, the other end are connected with X-axis screw mandrel 230c, and X-axis screw mandrel is driven by transmission component under X-axis motor 230a effects
230c is rotated, and makees displacement movement on X-direction guide rail 230b.
Wherein, same driving wheel 231a and driven pulley 231b is set respectively on X-axis screw mandrel 230c and X-axis motor 230a, it is described
Timing belt 231c is sheathed on same driving wheel 231a and driven pulley 231b, drives timing belt 231c to rotate with driving wheel 231a, timing belt
231c drives driven pulley 231b to rotate.
Preferably, it will be arranged at driving wheel 231a and driven pulley 231b in same level, and be located at X-direction guide rail respectively
230b both sides.Both the stroke between same driving wheel 231a and driven pulley 231b had been saved, has also made the more compact structure of whole equipment,
By mechanical action being optimal of efficiency.
Further, the X-direction guide rail 230b is arranged with X-axis slide block 230e, the X-axis slide block 230e and frame
100 connections, the guide through hole 321 being adapted with transmission component is provided with one end of close transmission component.X-axis slide block 230e
Set and make it that structure is more stable.
First start to rotate under X-axis motor 230a effects with driving wheel 231a, drive timing belt 231c to rotate, timing belt 231c
Driven pulley 231b is driven to rotate again.Around here, a relation actively and passively rotated is produced.
Now, it is exactly under X-axis motor 230a runnings, drives timing belt 231c to rotate with driving wheel 231a, timing belt 231c
Driven pulley 231b is driven to rotate, then driven pulley 231b, which is rotated, drives X-axis screw mandrel 230c to rotate, and X-axis slide block 230e coordinates X-axis screw mandrel
230c is rotated, and makees displacement movement on X-direction guide rail 230b.
The transmission component is it can also be provided that the structure of gear structure and chain, in X-axis screw mandrel 230c and X-axis motor
First gear and second gear are set respectively on 230a, and the chain engages with first gear and second gear, first gear band
Dynamic timing belt 231c is rotated, and chain-driving second gear rotates.
Likewise, it is preferred that first gear and second gear are arranged in same level, and it is located at X-axis slide unit respectively
230d both sides.Both the stroke between first gear and second gear had been saved, has also made the more compact structure of whole equipment, by machine
Tool being optimal of operational paradigm.
Similarly, under X-axis motor 230a runnings, first gear drives chain to rotate, and chain-driving second gear rotates, then
Second gear, which rotates, drives X-axis screw mandrel 230c to rotate, and X-axis slide unit 230d coordinates X-axis screw mandrel 230c to rotate, and in X-direction guide rail
Make displacement movement on 230b.
So it is provided with the X-axis slide unit 230d close to one end of the output shaft of the X-axis motor 230a for described same
The avoid holes 231d passed through with 231c is walked, so that transmission component more successfully makees mechanical movement, outward appearance through X-axis slide unit 230d
It is attractive in appearance.
The Y-axis drive mechanism 220 includes y-axis motor 220a, the Y-direction guide rail 220b being installed on X-axis slide unit 230d
With Y-axis slide unit 220d, on the Y-direction guide rail 220b activity set Y-axis sliding block 220e, y-axis motor 220a to pass through Y-axis screw mandrel
220c and Y-axis sliding block 220e is connected, and the y-axis motor 220a driving Y-axis screw mandrels 220c drives Y-axis sliding block 220e along Y side
Direction guiding rail 220b is moved.
Y-axis screw mandrel 220c is connected with frame 100 by Y-axis sliding block 220e, and the Y-axis sliding block 220e is in y-axis motor 220a
Under effect, Z axis drive mechanism 210 moves along Y-direction guide rail 220b.The Y-axis sliding block 220e is not excluded for other by the present invention can
For property part, making Z axis drive mechanism 210, guide rail 220b is moved along the Y direction.
The Z axis drive mechanism 210 includes Z axis motor 210a, the Z-direction guide rail 210b being installed on Y-axis slide unit 220d
With Z axis slide unit 210d, on Z-direction guide rail 210b activity set Z axis sliding block 210e, Z axis motor 210a by Z axis screw mandrel 210c with
Z axis sliding block 210e is connected, and the Z axis motor 210a driving Z axis screw mandrels 210c drives Z axis sliding block 210e along Z-direction guide rail
210b is moved.
It is provided for connecting the Z axis shaft coupling 210f of imbibition head assembly 300, the Z axis shaft coupling on Z axis screw mandrel 210c
210f drives fluid suction head component 300 to be moved along Z-direction guide rail 210b under Z axis motor 210a effects.The one of Z axis screw mandrel 210c
End sets Z axis motor 210a, and the other end is connected with Y-axis drive mechanism 220.
It is currently preferred vertically to design Z axis drive mechanism 210 with Y-axis drive mechanism 220, make imbibition head assembly 300
Collection sample is more convenient.
Further, the output shaft of the y-axis motor 220a is driven by Y-axis shaft coupling 220f with Y-axis screw mandrel 220c and connected
Connect, the output shaft of the Z axis motor 210a is connected with Z axis screw mandrel 210c by Z axis shaft coupling 210f, sets Z axis shaft coupling
Device 210f strengthens structural stability.
The Z-direction guide rail 210b coordinated with the sliding of mounting blocks 310, the mounting blocks 310 are provided with Z axis slide unit 210d
It is fixedly connected through Z-direction guide rail 210b and with Z axis sliding block 210e.
Further, the Y-direction guide rail 220b in Y-axis drive mechanism 220 is disposed in proximity to the side of Z axis drive mechanism 210
On wall, and the Y-direction guide rail 220b in the Y-axis drive mechanism 220 and Y-axis screw mandrel 220c be arranged in parallel.
Moreover mobile scope is preset with frame 100, neither hindering the principle of Three-axis drive makes movement more smooth,
And look and attractive in appearance.
Now, under being acted on while y-axis motor 220a and X-axis motor 230a, X-axis drive mechanism 230 drives Y-axis driving
Mechanism 220, and Y-axis drive mechanism 220 drives Z axis drive mechanism 210, gone between three axles into being linked.Meanwhile fluid suction head group
Part 300 is mobile in Z axis drive mechanism 210 to be sampled in the presence of Z axis motor 210a.User can be as needed
Sample to be measured is positioned using drive device 200 and automation mechanized operation.It is simple to operate, save manpower.
Further, the Z axis frame 130 being adapted is provided with outside the Z axis drive mechanism 210, in Z axis drive mechanism
210 one end away from guide pad 320 set cable, three axles are played with a protective effect, while also take whole fluid sample
The outward appearance of sampling device is more good-looking.
The imbibition head assembly 300 includes the mounting blocks 310 being fixed on Z axis sliding block 210e and is arranged at mounting blocks 310
On imbibition head assembly 300, the guide pad 320 with guide through hole 321, the guide pad are also set up on Z-direction guide rail 210
320 are correspondingly arranged with mounting blocks 310, and imbibition end is moved towards guide pad 320 when sampling and passed through through the guide through hole 321 and is oriented to
Block 320.
Further, imbibition end one end is connected with mounting blocks 310, and the other end is imbibition end, and imbibition end is in mounting blocks
Under 310 motions guide pad 320 is passed through to guide pad 320 close to imbibition end.
The guide pad 320 is arranged at the bottom of Z axis drive mechanism 210, the tapered enlarging in upper end of the guide through hole 321
Shape is set, and its lower end is set in cylinder.
That is, Z axis drive mechanism 210 controls imbibition end by controlling the movement of slip Z axis drive mechanism 210
It is mobile.For another angle, the speed at imbibition end is also to be determined by the Z axis screw mandrel 210c rotating speeds in Z axis drive mechanism 210
It is fixed.
The design of the ground of guide pad 320 is in order that imbibition end is during moving down, and avoids receiving external force effect generation and inclines
Tiltedly, mistakenly sample is acquired so as to produce, causes detection to produce error.
The design of the guide through hole 321 of cone is in order to be adapted with imbibition end, also for avoiding because of test tube excessively
It is careful, syringe needle slight inclination cause error.
Further, the length at imbibition end is less than Z axis screw mandrel 210c length, and the imbibition end is moved downward to imbibition end
Collect invisible spectro sample.So the Z axis screw mandrel 210c of Z axis drive mechanism 210 limits the length at imbibition end, but inhale
The width at liquid end not in the range of limitation, amount that imbibition end is drawn to a certain extent for be interior conditional.
Yet further, the imbibition end is moved downwardly toward testing liquid in this test tube, until imbibition end collects test tube
Interior sample.This process could be arranged to be automatically performed, it can also be provided that manually completing, depending on actual conditions.
The cleaning structure 400 is placed on the workbench 140 of the lower section of Z axis drive mechanism 210, and the workbench 140 is in institute
State and clean frame 410 and rack for test tube are respectively equipped with the moving area at the imbibition end of imbibition head assembly 300, in the clean frame 410
Some clean tanks are provided with, the cleaning cleaned for the imbibition end to imbibition head assembly 300 is contained with the clean tank
Liquid, some test tubes for being used to hold sample are provided with the rack for test tube.
Further, the workbench 140 is additionally provided with the moving area at the imbibition end of the imbibition head assembly 300
Monitor station, the monitor station are provided with injection port.
Further, at least one injection port 111 is provided with monitor station 110.Further, wiper mechanism is arranged at
In frame 100, the wiper mechanism includes clean frame 410 and the multiple clean tanks 411 being arranged on clean frame 410, imbibition end
Syringe needle is driven to stretch into clearly under the effect of being linked of Z axis driving structure 210, Y-axis driving structure 220 and X-axis driving structure 230
Clean frame 410.
The height of clean frame 410 is set below the bottom of Z axis drive mechanism 210, and multiple Shengs are opened up on clean frame 410
The clean tank 411 of cleaning solution is put, the imbibition head assembly 300 drives in X-axis drive mechanism 230, Y-axis drive mechanism 220 and Z axis
Moved under the driving of mechanism 210 to clean tank 411.
Preferably, monitor station 110 is arranged at the one end of clean frame 410.In this way, when being sampled next time, Ke Yizhi
Connect and clean syringe needle nearby, reduce by three axle shift motions, it is simple in construction, reasonable in design.
Further, the setting of the monitor station 110 is not higher than Y-axis driving structure 220, to avoid syringe needle from not being moved to
On monitor station 110, testing sample can not contact with injection port 111.
After syringe needle collection sample terminates, acted on by Y-axis driving structure 220 or the ground of X-axis driving structure 230, by imbibition
End is moved to the top of monitor station 110, and syringe needle is corresponding with injection port 111.Detected sample contacts with injection port 111, injection port 111
Sample data is passed on away after receiving data.
Yet further, the embedded groove 141 being adapted with the bottom of rack for test tube 120, the test tube are set on workbench 140
Frame 120 is arranged at least one set of.
Wherein, multigroup rack for test tube 120 is provided with below imbibition head assembly 300, is provided with the rack for test tube 120 equidistant
Test tube standing groove 121, the rack for test tube 120 are embedded in frame 100.
Further, the setting of multiple clean tanks 411 is the sample in order to when imbibition head assembly 300 detects different samples
Traits change between product is excessive, and a clean tank 411 is easily contaminated and does not have cleaning effect.So the rack for test tube 120 is set
Be set to it is at least one, during character approximation in institute's test sample product.
Wherein, the clean frame 410 is be arranged in parallel with X-axis driving structure 230.
Further, clean frame 410 is placed between X-axis driving structure 230 and rack for test tube 120.
Now, after syringe needle collection sample terminates, the linkage of Z axis driving structure 210 and Y-axis driving structure 220 is only needed to match somebody with somebody
Close, with regard to cleaning can be carried out.X-axis driving structure 230 need not adjust, and make operation more convenient.
Likewise, clean frame 410 and X-axis drive mechanism 230 are vertical setting.
Now, after imbibition head assembly 300, which gathers sample, to be terminated, Z axis driving structure 210 and X-axis driving structure 230 are only needed
Be linked, with regard to cleaning can be carried out.Y-axis driving structure 220 need not adjust, and make operation more convenient.
This fluid sample sampler, the imbibition head assembly 300 is in Z axis driving structure 210, Y-axis under motor effect
Driving structure 220 and being linked for X-axis driving structure 230 are moved to the top of rack for test tube 120, the imbibition head assembly 300
On imbibition end drive syringe needle to move closer to liquid to be detected sample along Z-direction guide rail 210b, fluid suction head is through on guide pad 320
Avoid holes 231d gather invisible spectro fluid sample after, then pass through Z axis driving structure 210, Y-axis driving structure 220 and X-axis and drive
Dynamic being linked for structure 230 is moved on the injection port 111 of monitor station 110, and then injection port 111 transmits data.Finally will
Imbibition end, which is stretched into, carries out easy clean in the clean tank 411 of cleaning structure nearby, repeat new liquid sample collecting process.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (10)
1. a kind of fluid sample sampler, including frame, driving structure, imbibition head assembly and cleaning structure, it is characterised in that：
The driving structure, including Z axis drive mechanism, Y-axis drive mechanism and the X-axis drive mechanism that can be linked：X-axis drives
Mechanism, it is arranged in frame, including X-axis slide unit, X-axis slide block, X-axis motor and the X-axis screw mandrel extended along X-direction, the X
Axle slide unit and the X-axis motor are respectively arranged in the frame, and X-direction guide rail, the X-axis are provided with the X-axis slide unit
Sliding block coordinates with X-direction guide rail sliding, and the X-axis screw mandrel is installed on the X-axis slide unit, the output of the X-axis motor
Axle is set in parallel with the X-axis screw mandrel, and synchronizing wheel, one end of the X-axis screw mandrel are provided with the output shaft of the X-axis motor
It is connected with the X-axis slide block, the other end of the X-axis screw mandrel is provided with driven pulley, the synchronizing wheel and the driven pulley
Between connected by toothed belt transmission；
The Y-axis drive mechanism, including the y-axis motor and Y-axis slide unit being installed on X-axis slide unit, it is provided with the Y-axis slide unit
Y-direction guide rail, on the Y-direction guide rail activity Y-axis sliding block is set, y-axis motor is connected by Y-axis screw mandrel and Y-axis sliding block,
The y-axis motor driving Y-axis screw mandrel drives Y-axis sliding block to be moved along Y-direction guide rail；
The Z axis drive mechanism, including the Z axis motor and Z axis slide unit being installed on Y-axis slide unit, Z is set on the Z axis slide unit
Traversing guide, on the Z-direction guide rail activity Z axis sliding block is set, Z axis motor is connected by Z axis screw mandrel and Z axis sliding block,
The Z axis motor driving Z axis screw mandrel drives Z axis sliding block to be moved along Z-direction guide rail；
The imbibition head assembly, including the mounting blocks being fixed on Z axis sliding block and the pneumatic needle tubing being arranged on mounting blocks, in Z
The guide pad with guide through hole is also set up on traversing guide, the guide pad is correspondingly arranged with mounting blocks, pneumatic needle tubing sampling
When it is mobile towards guide pad and pass through guide pad through the guide through hole；
The cleaning structure, it is placed on the workbench below Z axis drive mechanism, and the workbench is in the imbibition head assembly
Clean frame and rack for test tube are respectively equipped with the moving area at imbibition end, some clean tanks are provided with the clean frame, it is described clear
The cleaning fluid cleaned for the imbibition end to imbibition head assembly is contained with clean groove, some use are provided with the rack for test tube
In the test tube for holding sample.
2. a kind of fluid sample sampler according to claim 1, it is characterised in that the workbench is in the imbibition
Monitor station is additionally provided with the moving area at the imbibition end of head assembly, the monitor station is provided with injection port.
A kind of 3. fluid sample sampler according to claim 1 or 2, it is characterised in that on the table set with
The embedded groove that rack for test tube bottom is adapted, the rack for test tube are arranged at least one set of.
4. a kind of fluid sample sampler according to claim 1, it is characterised in that the clean frame drives with X-axis
Mechanism be arranged in parallel.
5. a kind of fluid sample sampler according to claim 1, it is characterised in that the clean frame drives with X-axis
Mechanism is vertical setting.
6. a kind of fluid sample sampler according to claim 1, it is characterised in that the guide pad is arranged at Z axis
Drive mechanism bottom, the tapered enlarging shape in upper end of the guide through hole are set, and guide through hole lower end is set in cylinder.
7. a kind of fluid sample sampler according to claim 1, it is characterised in that set respectively at X-axis screw mandrel both ends
Support frame is put, the X-axis screw mandrel is flexibly connected with support frame, and support frame as described above is fixedly connected with X-axis slide unit.
8. a kind of fluid sample sampler according to claim 1, it is characterised in that the X-axis slide unit is close to the X
One end of the output shaft of spindle motor is provided with the avoid holes passed through for the timing belt.
A kind of 9. fluid sample sampler according to claim 1, it is characterised in that the output shaft of the y-axis motor
It is connected with Y-axis screw mandrel by Y-axis shaft coupling transmission.
A kind of 10. fluid sample sampler according to claim 1, it is characterised in that the output shaft of the Z axis motor
It is connected with Z axis screw mandrel by Z axis shaft coupling transmission.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711035263.6A CN107831040A (en) | 2017-10-30 | 2017-10-30 | A kind of fluid sample sampler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711035263.6A CN107831040A (en) | 2017-10-30 | 2017-10-30 | A kind of fluid sample sampler |
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| CN201711035263.6A Pending CN107831040A (en) | 2017-10-30 | 2017-10-30 | A kind of fluid sample sampler |
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| CN111389481A (en) * | 2020-03-27 | 2020-07-10 | 江苏芯超生物科技有限公司 | Automatic sampling and sample storing device for biological laboratory |
| CN111744864A (en) * | 2020-07-13 | 2020-10-09 | 哈尔滨跃渊环保智能装备有限责任公司 | Syringe wiper mechanism and water quality testing equipment of water quality testing equipment |
| CN111804690A (en) * | 2020-07-13 | 2020-10-23 | 哈尔滨跃渊环保智能装备有限责任公司 | Test tube cleaning mechanism of water quality detection equipment and water quality detection equipment |
| CN112229683A (en) * | 2020-12-14 | 2021-01-15 | 中国电力科学研究院有限公司 | Transformer oil appearance collection robot |
| CN113624984A (en) * | 2021-08-11 | 2021-11-09 | 江苏拜明生物技术有限公司 | Application of sample arm with liquid level pressure detection function |
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