CN207976489U - A kind of microwell plate sample adding system - Google Patents
A kind of microwell plate sample adding system Download PDFInfo
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- CN207976489U CN207976489U CN201820505295.1U CN201820505295U CN207976489U CN 207976489 U CN207976489 U CN 207976489U CN 201820505295 U CN201820505295 U CN 201820505295U CN 207976489 U CN207976489 U CN 207976489U
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Abstract
The utility model discloses a kind of microwell plate sample adding systems, including pedestal (001), mobile mechanism, liquid-transfering device, waste treatment device, suction nozzle frame, reagent rack (402) and culture dish frame (404)；Mobile mechanism, waste treatment device, reagent rack and culture dish frame are arranged on pedestal；Liquid-transfering device is arranged in mobile mechanism；Multiple suction nozzles (401) are equipped at suction nozzle frame；Reagent sets up multiple slots for holding test tubes；Culture dish frame is equipped at least one culture dish position, each culture dish potential energy, which corresponds to, places a culture dish (403)；Liquid-transfering device end is equipped with the imbibition syringe needle (310) for loading suction nozzle；Mobile mechanism is for driving liquid-transfering device to realize that position switches in waste treatment device, suction nozzle frame, reagent rack and culture dish frame each position.The microwell plate sample adding system integrated level is high, feature-rich.
Description
Technical field
The utility model is related to a kind of microwell plate sample adding systems.
Background technology
Existing microwell plate sample-adding is typically all that technical staff is loaded by hand, and there are problems for such mode：
1- operating process is cumbersome；
2- has certain error, can not ensure the consistency of each reagent dosage, it is desirable that technical staff's whole process is concentrated on；
Sample-adding takes greatly 3- by hand, and efficiency is low.
Therefore, it is necessary to design a kind of microwell plate sample adding system.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of microwell plate sample adding system, the microwell plate sample adding systems
Integrated level is high, feature-rich.
The technical solution of utility model is as follows：
A kind of microwell plate sample adding system, including pedestal (001), mobile mechanism, liquid-transfering device, waste treatment device, suction nozzle
Frame, reagent rack (402) and culture dish frame (404)；
Mobile mechanism, waste treatment device, reagent rack and culture dish frame are arranged on pedestal；Liquid-transfering device setting is moving
On motivation structure；
Multiple suction nozzles (401) are equipped at suction nozzle frame；
Reagent sets up multiple slots for holding test tubes；
Culture dish frame is equipped at least one culture dish position, each culture dish potential energy, which corresponds to, places a culture dish
(403)；Culture dish is also known as microwell plate.
Liquid-transfering device end is equipped with the imbibition syringe needle (310) for loading suction nozzle；
Mobile mechanism is for driving liquid-transfering device in waste treatment device, suction nozzle frame, reagent rack and culture dish frame each position
Realize position switching.
It is used to drive liquid-transfering device to load suction nozzle, and driving liquid-transfering device draws examination by suction nozzle at reagent rack
Suction nozzle is sent into waste treatment device by agent, and driving liquid-transfering device by the sample-adding at culture dish, and driving liquid-transfering device
Abandon suction nozzle.
Mobile mechanism is tri- axis mobile mechanisms of XYZ, and tri- axis mobile mechanisms of XYZ are driven by motor；Tri- axis mobile mechanisms of XYZ wrap
Include X arms, Y arms and Z arms, also known as X-axis translation mechanism, Y-axis translation mechanism and Z axis translation mechanism.
Tri- axis mobile mechanisms of XYZ have the position sensor of detection X arms, Y arms and Z arm initial positions.Position sensor can
To be photoelectric sensor, can be Hall sensor or optoelectronic switch, preferably flute profile optical switch OPB830 and OPB840 series
(L&W)。
Liquid-transfering device includes constant displacement pump, hollow hoses, needle stand (309) and the imbibition syringe needle on needle stand.Aspirating needle
Head has the taper to match with suction nozzle, and after imbibition syringe needle squeezes into suction nozzle, suction nozzle inner wall generates the suction nozzle that tension makes and firmly encases
Imbibition syringe needle makes to form a subnormal ambient inside suction nozzle, so as to draw liquid by the work of constant displacement pump.
Imbibition syringe needle warning device is equipped on needle stand；
Imbibition syringe needle warning device includes linkage board (314), spring (301) and position-detection sensor；Position detection passes
Sensor is groove type photoelectric switch；
It is fixed on linkage board in the middle part of imbibition syringe needle, 2 guide posts of needle stand lower end are through 2 through-holes of linkage board respectively
In, guide post is equipped with the spring；One end of linkage board is equipped with light barrier, is opened equipped with the groove profile photoelectricity on needle stand
It closes.Light barrier is inserted into optoelectronic switch, i.e., can lead to optoelectronic switch output level skip signal.Realize alarm.
Waste treatment device includes decaptitating device (406) and ash can (405).
Suction nozzle be square array way arrangement.Can also be other arrangements, if multirow is arranged, each row stagger setting,
It in this way can be closer.Can also be that circular array mode is arranged.Preferably, it is arranged with 8*12 format multirows.
There are suction nozzle frame 96 to take a station, reagent rack that there are 4 imbibition stations, culture dish frame to have 4 sample-adding stations.
Position sensor is photoelectric sensor, Hall sensor or optoelectronic switch.
Optoelectronic switch is the flute profile optical switch with light barrier.
When system starts, each axis of XYZ is in initial position；
Drive arrival is preset to take a position simultaneously by three motors of XYZ axis；
Z axis motor rotates, and synchronizing wheel, synchronous idle pulley and belt rotation, imbibition syringe needle is driven to decline until (being commonly called as with suction nozzle
Tip) it is in close contact, make suction nozzle (firmly) syringe needle be followed to act by frictional force self-locking；
After taking head, by three-shaft linkage, suction nozzle is made to be moved to above agent bin, prepares to draw reagent；
Z axis motor, which rotates up to after suction nozzle drops to designated position, to be stopped declining；
Constant displacement pump is started to work, and after being drawn to default quantitative reagent, stops imbibition；
Z axis motor reversal, suction nozzle follow aspirating needle to rise；
After rising to designated position, by three-shaft linkage, so that suction nozzle is reached and be loaded at specified sample-adding station；
It after sample-adding, needs to remove suction nozzle in time, by three-shaft linkage, it is dynamic that suction nozzle is moved to progress decaptitating at decaptitating device
Make；
With the movement of X arms, suction nozzle self-locking state is destroyed, and is fallen in ash can, and so far system completes decaptitating action,
Primary sample-adding process terminates simultaneously.
After completing last sample-adding process, (1) returns to initial position if without being subsequently loaded task；
(2) if there is follow-up sample-adding task, initial position is not returned to, and returns to step 2, progress is next to execute stream
Journey.
The above flow is existing mature technology by MCU driving.
A kind of microwell plate automatic sample-adding system, including pedestal, tri- axis mechanisms of XYZ, tip framves, liquid absorption device, waste material dress
It sets, reagent storage, culture dish frame；
Liquid absorption device takes Tip heads, imbibition syringe needle to be not directly contacted with examination on Z axis translation mechanism, by frictional force self-locking
Agent but pass through Tip absorption transfering reagents；
Optoelectronic switch there are three being respectively set on X-axis, Y-axis, Z axis translation mechanism, to identify each axis initial position；
It is equipped with aspirating needle warning device (optoelectronic switch) on needle stand, prevents aspirating needle from being contacted with the bad of other component
(mainly preventing base pressure excessive)；
Tri- axis mechanisms of XYZ are arranged in chassis left side, and liquid-transfering device, reagent storage, culture dish frame are once arranged on pedestal；It is useless
Expect that device is arranged between system initial position and tip framves；
Tri- axis mechanisms of XYZ：Tri- axis mechanisms of XYZ include X-axis, Y-axis, Z axis and bearing riser；
X arms are fixed on the base by bearing riser；
Y arms are fixed on two sliding blocks on X arms, and pass through toothed belt transmission；
Z arms are fixed on the sliding block of Y arms, pass through toothed belt transmission
Bearing riser is set on the base；
For the setting of X arms on bearing riser, X arms include transverse slat, the first riser, the second riser, motor, the first synchronizing wheel, the
One synchronizes idle pulley, guide rod, sliding block, the first synchronous belt.
Transverse slat is fixed on two pieces of bearing risers；The first riser is disposed on transverse slat, to fixed X-axis motor；X-axis motor
It is upper that first synchronizing wheel is housed, two blocks of side plates are disposed on transverse slat, to two guide rods in solid top；A sliding block is respectively disposed on guide rod,
To install Y-axis；The second riser is disposed on transverse slat, to install the first synchronization idle pulley；First synchronizing wheel is synchronous with first lazy
Band connection is synchronized with first between wheel, realizes the transmission agency of X-axis.Optoelectronic switch is provided on X, to detect the initial bit of X-axis
It sets.
Y arms are arranged on X arm sliding blocks, are fixed on the first synchronous belt by pressing plate.It is followed by the control of X-axis motor first same
Band is walked, X-direction is done along slider waveguide rod and moves；
Y arms include y-axis motor, the second synchronizing wheel, the second synchronization idle pulley, the second synchronous belt, guide rail and sliding block.Y-axis motor
It is disposed adjacent at X arms, to reduce the torque of Y arms；Second synchronizing wheel is arranged on y-axis motor；Second synchronization idle pulley is arranged in Y
Arm outer end；With synchronous band connection between second synchronizing wheel idle pulley synchronous with second, Y arm transmission agencies are realized；Guide rail is placed on Y arms
Decentralization, the direction of guide shoe；There is screw hole for fixing Z arms on sliding block.
Z arms are arranged on sliding block, are fixed on the second synchronous belt by pressing plate.Second synchronization is followed by y-axis motor control
Band does Y direction along slide block guide rail and moves；
Z arms include Z axis motor, third synchronizing wheel, third synchronize idle pulley, third synchronous belt, flange linear bearing, needle stand,
Guide rod, guide bar receiver, needle stand.Z axis motor is arranged in above Z arms；Third synchronizing wheel is arranged on Z arm motors；The
Three synchronization idle pulleys are arranged in below Z arms；Between third synchronizing wheel idle pulley synchronous with third Z-axis transmission is realized with synchronous band connection；
Guide rod is arranged in Z arms both sides, is fixed on guide bar receiver, and guide bar receiver is directly anchored on Z arms；One is respectively arranged on the guide rod of both sides
A flange linear bearing；Needle stand is arranged on flange bearing；
Needle stand is connected to by pressing plate on third synchronous belt, follows third synchronous belt along guide rod and straight by the control of Z axis motor
Spool is made and is moved in Z-direction.
X, optoelectronic switch there are three being respectively arranged on Y, Z arm, to determine the original state of sample adding system；
Protection optoelectronic switch is individually equipped on Z arms, in the excessive alarm of base pressure, with this come protect imbibition syringe needle not by
External force is destroyed.
After getting tip, automatic sample is realized by the cooperation of tri- axis mechanisms of XYZ；After sample-adding at waste material device certainly
Dynamic removal tip heads.
The utility model is easy to operate, and each section runs smooth, stable structure, can realize a large amount of reagents in a short time
It is loaded work, and ensure that the consistency of reagent dosage, solves the problems, such as that sample-adding efficiency is slow by hand.
Tip framves, reagent rack, culture dish frame, head-removed device are provided on pedestal；
After imbibition syringe needle gets tip from tip framves successively, reagent preparation is drawn in Reagent Tube and is added at culture dish
Sample, fluid suction head will complete decaptitating at head-removed device after the completion of sample-adding at culture dish.
Liquid-transfering device includes imbibition syringe needle, hollow hoses, constant displacement pump；
Constant displacement pump is controlled by control centre, and after reaching imbibition position to imbibition syringe needle, constant displacement pump starts imbibition, liquid absorption amount
It needs to debug in advance, it is desirable that liquid level of the reagent in tip cannot touch aspirating needle
After being moved to specified load position after imbibition syringe needle, start automatic sample.
Waste material device includes decaptitating device, and ash can is arranged in pedestal specified location；
After completing sample-adding task, imbibition syringe needle is come at waste material device, and used tip is automatically removed by decaptitating device
Head；
The tip heads of removal can be fallen in the ash being positioned over below decaptitating device.
Imbibition syringe needle is fixed on needle by axle sleeve to be taken, and so that imbibition syringe needle is maintained at non-alert locations by two springs.
96 tip heads of head are placed on Tip framves, tip framves are arranged in pedestal in the outer part, are convenient for changing tip heads；
Liquid-transfering device includes constant displacement pump, hollow hoses, imbibition syringe needle；Imbibition syringe needle can't be in direct contact reagent, but
By tip transport liquid, so in multiple sample-adding operation, cleaning imbibition syringe needle is not needed to.
Reagent storage includes reagent rack, test agent pipe, standard reagent pipe, nutrition liquid pipe.Reagent rack is arranged on pedestal；Examination
Four test tubes can be placed on agent frame altogether.
There are four culture dish positions, a position, and position, excess-three to be used to place spare culture dish, facilitate technology on culture dish frame
Personnel replace.
Waste material device includes decaptitating device and ash can.By frictional force self-locking tip heads by with decaptitating device gentle touchdown,
After breaking self-locking environment, fall in ash can automatically.
The device includes altogether 96 and a station, 4 imbibition stations and 21 sample-adding stations, all stations is taken to be aligned
Zero-bit (i.e. initial position) unifies setting afterwards, is not required to separately set again during sample-adding.
Plurality of reagents, such as nutrient solution, standard reagent, test agent etc. can be placed in reagent rack.
Advantageous effect：
The utility model discloses a kind of microwell plate sample adding system, system includes pedestal, tri- axis mechanisms of XYZ, tip framves,
Liquid absorption device, waste material device, reagent rack, culture dish frame；Liquid absorption device takes Tip on Z axis translation mechanism, by frictional force self-locking
Head (the entitled plastics suction nozzle of Chinese), aspirating needle are simultaneously not directly contacted with reagent but draw transfering reagents by Tip；In X-axis, Y
Optoelectronic switch there are three being respectively set on axis, Z axis translation mechanism, to identify each axis initial position；Imbibition is equipped on needle stand
Needle warning device prevents the bad contact (mainly preventing base pressure excessive) of aspirating needle and other component；Getting tip heads
Afterwards, automatic sample is realized by the cooperation of three axis mechanisms；Go out to automatically remove tip heads in waste material device after sample-adding.The utility model
Easy to operate, each section runs smooth, stable structure, can realize the sample-adding work of a large amount of reagents in a short time, and ensure
The consistency of reagent dosage solves the problems, such as to be loaded efficiency by hand slow.
The microwell plate automatic sample-adding system of the utility model improves work efficiency compared to the prior art, reduces mistake
Accidentally rate, improves sample-adding accuracy.
This system is equipped with liquid-transfering device, waste material device, reagent storage.It only needs that required raw material is put into corresponding position by hand
It realizes automatic sample flow, improves the degree of automation.
Below where the advantage of the crucial submodule of division：
1. imbibition needle guard mechanisms：
When bad contact occurs for imbibition syringe needle bottom and other positions, spring is sent out by compressive deformation by optoelectronic switch
Signal, system alarm
2. liquid-transfering device：
The accuracy of sample-adding reagent dosage every time is realized by peristaltic pump, and the consistency of reagent dosage being loaded every time
3. the judgement of initial position：Determine whether each axis is in initial position respectively by three optoelectronic switches,
Be conducive to the accuracy of safeguards system later stage station setting
4. waste material device：
Actually include automatic head-removed device and ash can, automatic head-removed device is common wedge mechanical structure, is realized
The automation of decaptitating step and the automatic collection of waste material, reduce cost of labor.
5. aspirating needle head protection measure：
This system tip storages and transfering reagent, imbibition syringe needle is practically without to be contacted with reagent, is loaded process every time
After the completion, it is not required to setting cleaning position, simplifies structure.
In conclusion this system is simple in structure, reliable for operation, safe, the accuracy and consistency of actual amount are high,
Error rate is low, and operational effect is good.Only need required tip heads manually, reagent and culture dish place to precalculated position can be realized it is micro-
Orifice plate automatic sample, the degree of automation are loaded greatly improve more by hand.
The microwell plate automatic sample-adding system is reasonable for structure, easily operated, and operation is smooth.To sum up, this microwell plate adds
Sample system structure is compact, feature-rich, and integrated level is high, is conducive to promotion and implementation.
Description of the drawings
Fig. 1 is microwell plate sample adding system stereogram；
Fig. 2 is the overall layout chart of microwell plate sample adding system；
Fig. 3 is waste treatment device figure；
Fig. 4 is X-axis stereogram；
Fig. 5 is X-axis front view；
Fig. 6 is Y-axis stereogram；
Fig. 7 is Y-axis front view；
Fig. 8 is tri- axis total arrangement stereograms of XYZ；
Fig. 9 is Z axis front view；
Figure 10 is needle stand structure schematic diagram；
Figure 11 is imbibition needle head structure schematic diagram.
Label declaration：001- pedestals, 002-X support plates；
101- transverse slats, 102- first motors, 103- side plates, 104- guide rods, 105- sliding blocks, the first synchronous belts of 106-, 107-
First riser, the second risers of 108-, the first synchronizing wheels of 109-, 110- first synchronize idle pulley, and 111-X axis initial positions identify photoelectricity
Switch,
201-Y shaft bodies, the second motors of 202-, 203-Y axis initial positions identification optoelectronic switch, the second synchronizing wheels of 204-,
The second synchronous belts of 205-, 206- guide rails, 207- sliding blocks, 208 second synchronize idle pulley,
301- springs, 302- bearings, 303- flange linear bearings, 304-Z axis initial positions identify optoelectronic switch, 305- the
Three synchronizing wheels, 306- thirds synchronize idle pulley, 307- third motors, 308- screws, 309- needle stands, 310- imbibition syringe needles, 311- reports
Alert optoelectronic switch, 312- third synchronous belts, 313- guide rods, 314- linkage boards；315- light barriers.
401- suction nozzles, 402- reagent racks, 403- culture dishes, 404- culture dish framves, 405- ash cans, 406- decaptitating devices
Specific implementation mode
The utility model is described in further details below with reference to the drawings and specific embodiments：
Embodiment 1：Such as Fig. 1~11, a kind of microwell plate sample adding system, including it is pedestal 001, mobile mechanism, liquid-transfering device, useless
Material processing device, suction nozzle frame, reagent rack 402 and culture dish frame 404；
Mobile mechanism, waste treatment device, reagent rack and culture dish frame are arranged on pedestal；Liquid-transfering device setting is moving
On motivation structure；
Multiple suction nozzles 401 are equipped at suction nozzle frame；
Reagent sets up multiple slots for holding test tubes；
Culture dish frame is equipped at least one culture dish position, each culture dish potential energy, which corresponds to, places a culture dish 403；
Liquid-transfering device end is equipped with the imbibition syringe needle 310 for loading suction nozzle；
Mobile mechanism is for driving liquid-transfering device in waste treatment device, suction nozzle frame, reagent rack and culture dish frame each position
Realize position switching.
It is used to drive liquid-transfering device to load suction nozzle, and driving liquid-transfering device draws examination by suction nozzle at reagent rack
Suction nozzle is sent into waste treatment device by agent, and driving liquid-transfering device by the sample-adding at culture dish, and driving liquid-transfering device
Abandon suction nozzle.
Mobile mechanism is tri- axis mobile mechanisms of XYZ, and tri- axis mobile mechanisms of XYZ are driven by motor；Tri- axis mobile mechanisms of XYZ wrap
Include X arms, Y arms and Z arms.
Tri- axis mobile mechanisms of XYZ have the position sensor of detection X arms, Y arms and Z arm initial positions.Position sensor can
To be photoelectric sensor, can be Hall sensor or optoelectronic switch, preferably flute profile optical switch OPB830 and OPB840 series
(L&W)。
Liquid-transfering device includes constant displacement pump, hollow hoses, needle stand 309 and the imbibition syringe needle on needle stand.Imbibition syringe needle
With the taper to match with suction nozzle, after imbibition syringe needle squeezes into suction nozzle, suction nozzle inner wall generates the suction nozzle that tension makes and firmly encases suction
Liquid syringe needle makes to form a subnormal ambient inside suction nozzle, so as to draw liquid by the work of constant displacement pump.
Imbibition syringe needle warning device is equipped on needle stand；
Imbibition syringe needle warning device includes linkage board 314, spring 301 and position-detection sensor；Position-detection sensor
For groove type photoelectric switch；
It is fixed on linkage board in the middle part of imbibition syringe needle, 2 guide posts of needle stand lower end are through 2 through-holes of linkage board respectively
In, guide post is equipped with the spring；One end of linkage board is equipped with light barrier, is opened equipped with the groove profile photoelectricity on needle stand
It closes.Light barrier is inserted into optoelectronic switch, i.e., can lead to optoelectronic switch output level skip signal.Realize alarm.
Waste treatment device includes decaptitating device 406 and ash can 405.
Suction nozzle be square array way arrangement, specifically, with 8*12 format multirows arrange.
There are suction nozzle frame 96 to take a station, reagent rack that there are 4 imbibition stations, culture dish frame to have 4 sample-adding stations.
A kind of microwell plate loading methods are included the following steps using microwell plate sample adding system above-mentioned：
Step 1：The startup and initialization of sample adding system：
When system starts, each axis of XYZ is in initial position；
Step 2：Take a step：
Drive arrival is preset to take a position simultaneously by three motors of XYZ axis；
Z axis motor rotates, and synchronizing wheel, synchronous idle pulley and belt rotation, imbibition syringe needle is driven to decline until (being commonly called as with suction nozzle
Tip) it is in close contact, make suction nozzle (firmly) syringe needle be followed to act by frictional force self-locking；
Calculation formula about frictional force self-locking：
The friction coefficient of imbibition syringe needle and suction nozzle is indicated with μ；FNIndicate the tension of suction nozzle；GbFor the gravity of suction nozzle itself；Gw
For the gravity of reagent in suction nozzle；α is the taper of suction nozzle
Calculating process is as follows：
The condition of self-locking gravity G=G to be overcomeb+Gw；
Component F of the gravity along contact downwardsA=Gcos α；
The component F of gravity perpendicular contact downwardsB=Gsin α；
Component F of the tension along contact downwardsC=FNsinα；
The component F that tension perpendicular contact faces upwardD=FNcosα；
Condition of self-locking μ (FD-FB)≥FA+FC；
Step 3：Imbibing step：
After taking head, by three-shaft linkage, suction nozzle is made to be moved to above agent bin, prepares to draw reagent；
Z axis motor, which rotates up to after suction nozzle drops to designated position, to be stopped declining；
Constant displacement pump is started to work, and after being drawn to default quantitative reagent, stops imbibition；
Step 4：Load procedure：
Z axis motor reversal, suction nozzle follow aspirating needle to rise；
After rising to designated position, by three-shaft linkage, so that suction nozzle is reached and be loaded at specified sample-adding station；
Step 5：Decaptitating step：
It after sample-adding, needs to remove suction nozzle in time, by three-shaft linkage, it is dynamic that suction nozzle is moved to progress decaptitating at decaptitating device
Make；
With the movement of X arms, suction nozzle self-locking state is destroyed, and is fallen in ash can, and so far system completes decaptitating action,
Primary sample-adding process terminates simultaneously.
Microwell plate loading methods further include step 6：Select step：
After completing last sample-adding process, (1) returns to initial position if without being subsequently loaded task；
(2) if there is follow-up sample-adding task, initial position is not returned to, and returns to step 2, progress is next to execute stream
Journey.
A kind of microwell plate automatic sample-adding system, including pedestal, tri- axis mechanisms of XYZ, tip framves, liquid-transfering device, waste material dress
It sets, reagent storage, culture dish frame；
Tri- axis mechanisms of XYZ are arranged in chassis left side, and liquid-transfering device, reagent storage, culture dish frame are once arranged on pedestal；It is useless
Expect that device is arranged between system initial position and tip framves；
Tri- axis mechanisms of XYZ：Tri- axis mechanisms of XYZ include X-axis, Y-axis, Z axis and bearing riser 002；
Bearing riser 002 is set on the base；
On bearing riser 002, X-axis includes transverse slat 101, the first riser 107, second the 108, first electricity of riser for X-axis setting
Machine 102, the first synchronizing wheel 109, first synchronize idle pulley 110, guide rod 104, sliding block 105, the first synchronous belt 106.
Transverse slat 101 is fixed on two pieces of bearing risers 002；The first riser 107 is disposed on transverse slat, to fixed X-axis electricity
Machine 102；First synchronizing wheel 109 is housed on X-axis motor, two blocks of side plates 103 are disposed on transverse slat, to two guide rods 104 in solid top；
1 sliding block 105 is respectively arranged on guide rod 104, to install Y-axis；The second riser 108 is disposed on transverse slat 101, to install first
Synchronous idle pulley 110；It is connected with the first synchronous belt 106 between synchronous with first idle pulley of first synchronizing wheel 109 110, realizes the biography of X-axis
Dynamic function.It is provided with optoelectronic switch 111 on X, optoelectronic switch sensing chip is provided in Y-axis, to detect the initial position of X-axis.
Y-axis is arranged on X arms sliding block 105, is fixed on the first synchronous belt 106 by pressing plate.It is controlled by X-axis motor 102
The first synchronous belt 106 is followed, doing X-direction along slider waveguide rod 104 moves；
Y-axis includes y-axis motor 202, the second synchronizing wheel 204, second synchronization idle pulley 208, the second synchronous belt 205, guide rail 206
With sliding block 207.Y-axis motor 202 is disposed adjacent at X-axis, to reduce the torque of Y-axis；Second synchronizing wheel 204 is arranged in Y-axis electricity
On machine 202；Second synchronization idle pulley 208 is arranged in Y-axis outer end；With synchronizing between synchronous with second idle pulley of second synchronizing wheel 204 208
Band 205 connects, and realizes Y-axis transmission agency；Guide rail 206 is placed on Y-axis decentralization, the direction of guide shoe 207；Have on sliding block 207
Screw hole is for fixing Z axis.
Z axis is arranged on sliding block 207, is fixed on the second synchronous belt 205 by pressing plate.It is followed by the control of y-axis motor 202
Second synchronous belt 205 does Y direction along slide block guide rail 206 and moves；
It is straight that Z axis includes Z axis motor 307, third synchronizing wheel 305, third synchronizes idle pulley 306, third synchronous belt 312, flange
Spool holds 303, needle stand 309, guide rod 313, guide bar receiver 302.Z axis motor 307 is arranged in above Z axis；305 cloth of third synchronizing wheel
It sets on Z axis motor；Third synchronizes idle pulley 306 and is arranged in below Z axis；Between synchronous with the third idle pulley of third synchronizing wheel 305 306
It is connected with synchronous belt 312 and realizes Z-axis transmission；Guide rod 313 is arranged in Z axis both sides, is fixed on guide bar receiver 302, guide bar receiver
302 are directly anchored on Z axis；A flange linear bearing 303 is respectively arranged on both sides guide rod 313；Needle stand 309 is arranged in flange shaft
It holds on 303；
Needle stand 309 is connected to by pressing plate on third synchronous belt 312, and third synchronous belt is followed by the control of Z axis motor 307
312 do along guide rod 313 and flange linear bearing 303 and are moved in Z-direction.
Imbibition syringe needle 310 is fixed on needle by axle sleeve to be sat on 309, so that imbibition syringe needle is maintained at non-report by two springs 301
Alert position, when external force is excessive, spring 301 deforms, and triggers the alarm signal of optoelectronic switch 311, system automatic alarm.
96 tip heads of head are placed on Tip framves, tip framves are arranged in pedestal in the outer part, are convenient for changing tip heads；
Liquid-transfering device includes constant displacement pump, hollow hoses, imbibition syringe needle；Imbibition syringe needle can't be in direct contact reagent, but
By tip transport liquid, so in multiple sample-adding operation, cleaning imbibition syringe needle is not needed to.
Reagent storage includes reagent rack, test agent pipe, standard reagent pipe, nutrition liquid pipe.Reagent rack is arranged on pedestal；Examination
Four test tubes can be placed on agent frame altogether.
There are four culture dish positions, a position, and position, excess-three to be used to place spare culture dish, facilitate technology on culture dish frame
Personnel replace.
Waste material device includes decaptitating device and ash can.By frictional force self-locking tip heads by with decaptitating device gentle touchdown,
After breaking self-locking environment, fall in ash can automatically.
The system includes altogether 96 and takes a station, 4 imbibition stations and 21 sample-adding stations.
Claims (10)
1. a kind of microwell plate sample adding system, which is characterized in that including pedestal (001), mobile mechanism, liquid-transfering device, waste disposal
Device, suction nozzle frame, reagent rack (402) and culture dish frame (404)；
Mobile mechanism, waste treatment device, reagent rack and culture dish frame are arranged on pedestal；Liquid-transfering device is arranged in moving machine
On structure；
Multiple suction nozzles (401) are equipped at suction nozzle frame；
Reagent sets up multiple slots for holding test tubes；
Culture dish frame is equipped at least one culture dish position, each culture dish potential energy, which corresponds to, places a culture dish (403)；
Liquid-transfering device end is equipped with the imbibition syringe needle (310) for loading suction nozzle；
Mobile mechanism is for driving liquid-transfering device to be realized in waste treatment device, suction nozzle frame, reagent rack and culture dish frame each position
Position switches.
2. microwell plate sample adding system according to claim 1, which is characterized in that mobile mechanism is tri- axis mobile mechanisms of XYZ,
Tri- axis mobile mechanisms of XYZ are driven by motor；Tri- axis mobile mechanisms of XYZ include X arms, Y arms and Z arms.
3. microwell plate sample adding system according to claim 2, which is characterized in that tri- axis mobile mechanisms of XYZ have detection X
The position sensor of arm, Y arms and Z arm initial positions.
4. microwell plate sample adding system according to claim 1, which is characterized in that liquid-transfering device includes constant displacement pump, hollow soft
Pipe, needle stand (309) and the imbibition syringe needle on needle stand.
5. microwell plate sample adding system according to claim 1, which is characterized in that be equipped with imbibition syringe needle alarm dress on needle stand
It sets；
Imbibition syringe needle warning device includes linkage board (314), spring (301) and position-detection sensor；Position-detection sensor
For groove type photoelectric switch；
It being fixed on linkage board in the middle part of imbibition syringe needle, 2 guide posts of needle stand lower end are through respectively in 2 through-holes of linkage board,
Guide post is equipped with the spring；One end of linkage board is equipped with light barrier, and the groove type photoelectric switch is equipped on needle stand.
6. microwell plate sample adding system according to claim 1, which is characterized in that waste treatment device includes decaptitating device
(406) and ash can (405).
7. microwell plate sample adding system according to claim 1, which is characterized in that suction nozzle be square array way arrangement.
8. microwell plate sample adding system according to claim 1, which is characterized in that suction nozzle frame has 96 and takes a station, tries
There are agent frame 4 imbibition stations, culture dish frame to have 4 sample-adding stations.
9. according to claim 1-8 any one of them microwell plate sample adding systems, which is characterized in that position sensor is photoelectric transfer
Sensor, Hall sensor or optoelectronic switch.
10. microwell plate sample adding system according to claim 9, which is characterized in that optoelectronic switch is the flute profile with light barrier
Optical switch.
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| CN201820505295.1U CN207976489U (en) | 2018-04-10 | 2018-04-10 | A kind of microwell plate sample adding system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490205A (en) * | 2018-04-10 | 2018-09-04 | 深圳市博辰智控有限公司 | A kind of microwell plate sample adding system and method |
| WO2023137746A1 (en) * | 2022-01-24 | 2023-07-27 | 深圳先进技术研究院 | Culture dish filling device |
| CN116718738A (en) * | 2023-08-09 | 2023-09-08 | 淄博市食品药品检验研究院 | Food detection device and detection method |
-
2018
- 2018-04-10 CN CN201820505295.1U patent/CN207976489U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490205A (en) * | 2018-04-10 | 2018-09-04 | 深圳市博辰智控有限公司 | A kind of microwell plate sample adding system and method |
| WO2023137746A1 (en) * | 2022-01-24 | 2023-07-27 | 深圳先进技术研究院 | Culture dish filling device |
| CN116718738A (en) * | 2023-08-09 | 2023-09-08 | 淄博市食品药品检验研究院 | Food detection device and detection method |
| CN116718738B (en) * | 2023-08-09 | 2023-12-29 | 淄博市食品药品检验研究院 | Food detection device and detection method |
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