CN106379594B - Liquid transfer gun head clip loading system - Google Patents

Liquid transfer gun head clip loading system Download PDF

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Publication number
CN106379594B
CN106379594B CN201611052478.4A CN201611052478A CN106379594B CN 106379594 B CN106379594 B CN 106379594B CN 201611052478 A CN201611052478 A CN 201611052478A CN 106379594 B CN106379594 B CN 106379594B
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CN
China
Prior art keywords
pipette tips
workbench
liquid transfer
gun head
box
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Application number
CN201611052478.4A
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Chinese (zh)
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CN106379594A (en
Inventor
江景涛
连政国
李福荣
井士涛
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Qingdao Agricultural University
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Qingdao Agricultural University
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Priority to CN201611052478.4A priority Critical patent/CN106379594B/en
Publication of CN106379594A publication Critical patent/CN106379594A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B35/00Supplying, feeding, arranging or orientating articles to be packaged
    • B65B35/10Feeding, e.g. conveying, single articles
    • B65B35/16Feeding, e.g. conveying, single articles by grippers
    • B65B35/18Feeding, e.g. conveying, single articles by grippers by suction-operated grippers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B7/00Closing containers or receptacles after filling
    • B65B7/16Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/20Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by folding-down preformed flaps

Abstract

Liquid transfer gun head cassette loading mechanism, cassette loading mechanism and transport mechanism for conveying liquid transfer gun head, cassette loading mechanism include take arms a mechanism, for pipette tips kit platform, electric pushrod, the horizontal table for carrying pipette tips kit platform and pipette tips kit platform can be driven to be moved along two directions vertical each other;A mechanism of taking arms includes pipette tips acquisition device and control mechanism;The edge of pipette tips kit platform, one end far from electric pushrod are provided with for executing the buckle closure mechanism for fastening box cover;Buckle closure mechanism includes the buckle closure item being installed on workbench, and along the direction that pipette tips box is pushed, buckle closure item is to the inside of pipette tips kit platform, inclined upward.After can completing to take liquid transfer gun head, putting liquid transfer gun head and liquid transfer gun head mounted box, the liquid transfer gun head mounted box whole process of the box cover of automatic buckling pipette tips box operates.During integrating mounted box, it is not required to manual intervention, the mounted box efficiency of liquid transfer gun head can be improved.

Description

Liquid transfer gun head clip loading system
Technical field
The invention belongs to packing machinery technologies, are related to a kind of clip loading system, specifically, are related to a kind of automatic moving Liquid pipette tips clip loading system.
Background technology
Liquid transfer gun head, liquid transfer gun head are often used in biochemical test is and a kind of matching used pyrometric cone sample of liquid-transfering gun The plastic tube of formula, cooperation liquid-transfering gun are pipetted for a small amount of or micro liquid.
Under normal conditions, the liquid transfer gun head after buying is stored in packaging bag.For ease of the use pipe of liquid transfer gun head Reason, before use, needing to put its unloading to liquid relief gun case, in use, directly taking liquid relief gun case, takes shifting one by one out of gun case Liquid pipette tips.Liquid relief gun case is a kind of the storage box of storage liquid transfer gun head, and inner transverse longitudinal regularly arranged is provided with multiple rifles Liquid transfer gun head need to be one by one inserted into pipette tips hole by head bore.
Common method is manual operation, and there are following drawbacks:First, efficiency is low, and liquid transfer gun head has plurality of specifications, leads to Often between 40mm-80mm, diameter is between 4mm-10mm, small volume, and manual operation is inconvenient, and process is cumbersome and wastes big The time of amount;Second, the chance of liquid transfer gun head pollution is increased, since there are more uncontrollabilities for manual operation, such as:Pipette tips Fall, pipette tips and pollutant are collided, can all cause the pollution of liquid transfer gun head.
Automation liquid transfer gun head moves dress system and can be very good to solve problem above.But existing automation liquid transfer gun head moves dress There is deficiency complicated, that efficiency is low more in system, there is also pipette tips accurately to enter for some automatic clip loading systems of liquid transfer gun head The problem of pipette tips hole.Finish in addition, pipette tips are box-packed, needs to close pipette tips box box cover, existing clip loading system, which does not have, is automatically closed box The function of lid.
Invention content
Liquid transfer gun head can be accurately and fast completed the purpose of the present invention is to provide one kind and entering box operation, and is realized in pipette tips It is box-packed it is complete after pipette tips box is released automatically and close box cover automation liquid transfer gun head move dress system.
The technical scheme is that:Liquid transfer gun head clip loading system, including rack, cassette loading mechanism and for conveying liquid-transfering gun The transport mechanism of head, cassette loading mechanism includes for a mechanism of taking arms for head of taking arms from transport mechanism, for placing pipette tips box Pipette tips kit platform, for pushing electric pushrod that pipette tips box moves on pipette tips kit platform, for carrying pipette tips kit platform and can The horizontal table for driving pipette tips kit platform to be moved along two directions vertical each other;
A mechanism of taking arms includes pipette tips acquisition device and controllable pipette tips acquisition device between transport mechanism and cassette loading mechanism The control mechanism of movement;
Horizontal table includes vertical each other workbench I and workbench II, along the length side of workbench I and workbench II To being both provided with moving track in the two;Pipette tips kit platform is mounted on the moving track of workbench I, and can be along the moving rail Road moves, and workbench I can be moved on the moving track of workbench II along the moving track;
The edge of pipette tips kit platform, one end far from electric pushrod are provided with for executing the buckle closure mechanism for fastening box cover; Buckle closure mechanism includes the buckle closure item being installed on workbench, and along the direction that pipette tips box is pushed, buckle closure item is to pipette tips kit platform Inside, inclined upward.
Preferably:Pipette tips obtain mechanism include rocking-turn arm, air compressor and be set on rocking-turn arm with sky The aspirated-air type suction nozzle that air compressor connects, control mechanism include positive and negative rotation stepper motor, speed reducer, and stepper motor output shaft passes through Gear engaged transmission driving reductor shaft, rocking-turn arm connects with reductor shaft, and is done by reductor shaft drive back and forth forward and reverse Circular motion.
Preferably:Rocking-turn arm includes arm I and arm II disposed in parallel, and arm I connects with speed reducer output shaft, Arm II connects with speed reducer drive shaft, and speed reducer output shaft passes through gear engaged transmission with speed reducer drive shaft;On arm I It is laterally perpendicular to be provided with interlocking bar I;It is laterally perpendicular on arm II to be provided with interlocking bar II;Aspirated-air type suction nozzle is installed on It is connected on suction nozzle mounting plate and with air compressor by the road;Suction nozzle mounting plate is by bearing respectively at interlocking bar I and interlocking bar II connects.
Preferably:Aspirated-air type suction nozzle is dismounting and change formula suction nozzle, is connected for on-fixed.
Preferably:It is provided with box slot on pipette tips kit platform, the width of box slot and the length of pipette tips box or of same size.
Preferably:Buckle closure item is mounted on the notch edges of box slot.
Preferably:Pipette tips kit platform bottom is provided with platform sliding block, and the movement of workbench I is mounted on by platform sliding block On track;The bottom of workbench I is provided with workbench sliding block, and the moving track of workbench II is mounted on by workbench sliding block On;Workbench I and workbench II also includes mobile leading screw, and pipette tips kit platform bottom is mounted on workbench I by screw slider Leading screw on, the bottoms workbench I by screw slider mounted on workbench II leading screw on.
Beneficial effects of the present invention are:
1, pipette tips obtain mechanism by accurate circular motion, are moved between transport mechanism and cassette loading mechanism repeatedly, horizontal Workbench controls the position in one pipette tips hole of pipette tips box accurate movement, and mechanism, the cooperation work of horizontal table are obtained by pipette tips Make, can accurately realize picking and placeing for liquid transfer gun head.
2, due to liquid transfer gun head be plastic material, adopt it is interchangeable take aspirated-air type suction nozzle draw, on the one hand, suction force is moderate, It is captured compared to using robot manipulator structure, the destructive rate to liquid transfer gun head can be reduced;On the other hand, replaceable after suction nozzle damage.
3, after can completing to take liquid transfer gun head, putting liquid transfer gun head and liquid transfer gun head mounted box, automatic buckling pipette tips box The liquid transfer gun head mounted box whole process of box cover operates.
4, during entire mounted box, it is not required to manual intervention, the mounted box efficiency of liquid transfer gun head can be improved.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is a mechanism structure schematic diagram of taking arms.
Fig. 3 is buckle closure mechanism, horizontal table partial structural diagram.
Wherein:1- racks, 2- pipette tips boxes, 201- pipette tips hole, 3- pipette tips kit platforms, 301- platform sliding blocks, 302- pipette tips boxes Platform screw slider, 4- electric pushrods, 5- workbench I, 501- workbench sliding block, 502- workbench I move leading screw, 503- work The moving track of platform I, 6- workbench II, 601- workbench II move leading screw, the moving track of 602- workbench II, 7- controls Mechanism, 701- positive and negative rotation stepper motors, 702- speed reducers, 703- gears, 704- speed reducer output shafts, the driving of 705- speed reducers Axis, 801- motors, 802- motors, 901- arms I, 902- arm II, 10- air compressor, 11- aspirated-air type suction nozzles, 12- pipes Road, 131- interlocking bar I, 13- suction nozzle mounting plate, 14- buckle closure items.
Specific implementation mode
The specific implementation mode of the present invention is further described below with reference to attached drawing.
As shown in Figure 1, liquid transfer gun head clip loading system, including rack 1, setting in rack 1 cassette loading mechanism and be used for defeated Send the transport mechanism of liquid transfer gun head.The liquid transfer gun head bought back, communicated mechanism convey one by one.
Cassette loading mechanism includes a mechanism of taking arms, the pipette tips for placing pipette tips box 2 for head of taking arms from transport mechanism Kit platform 3, for pushing electric pushrod 4 that pipette tips box 2 moves on pipette tips kit platform 3, for carrying pipette tips kit platform 3 simultaneously The horizontal table that pipette tips kit platform 3 can be driven to be moved along two directions vertical each other.
A mechanism of taking arms includes pipette tips acquisition device and controllable pipette tips acquisition device in transport mechanism and cassette loading mechanism Between the control mechanism 7 that moves.
In work, pipette tips box 2 is placed on pipette tips kit platform 3, and 2 inside transverse and longitudinal of pipette tips box is regularly arranged to be provided with multiple rifles The size of head bore 201, pipette tips hole 201 can be designed according to the size of liquid transfer gun head.Control mechanism control pipette tips acquisition device is adopted The modes such as crawl or absorption are taken to obtain liquid transfer gun head one by one, transhipment is defeated at cassette loading mechanism, and is placed on one by one in pipette tips box 2 In pipette tips hole 201.
Specifically, the structure for a mechanism of taking arms is as shown in Fig. 2, it includes rocking-turn arm, air compression that pipette tips, which obtain mechanism, Machine 10 and the aspirated-air type suction nozzle 11 to connect with air compressor 10 being set on rocking-turn arm, control mechanism includes positive and negative rotation Stepper motor 701, speed reducer 702,701 output shaft of positive and negative rotation stepper motor pass through 703 engaged transmission driving speed reducer of gear 702, rocking-turn arm connects with speed reducer output shaft, and does reciprocal forward and reverse circular motion by reductor shaft drive.Such as:It is positive and negative When turning stepper motor 701 and rotating forward, driving rocking-turn arm drives aspirated-air type suction nozzle 11 to draw pipette tips;Positive and negative rotation stepper motor 701 when rotating backward, and driving rocking-turn arm drives aspirated-air type suction nozzle 11 that pipette tips are positioned in pipette tips box 2.
Stablize the effect of head of taking arms to preferably realize, rocking-turn arm further comprise arm I901 disposed in parallel and Arm II902, arm I901 connect with speed reducer output shaft 704, and arm II902 connects with speed reducer drive shaft 705, slow down Machine output shaft 704 passes through gear engaged transmission with speed reducer drive shaft 705;It is laterally perpendicular on arm I901 to be provided with linkage Bar I131;Laterally the perpendicular interlocking bar II that is provided with (cannot not by the blocking of suction nozzle mounting plate 13 in figure on arm II902 See);Aspirated-air type suction nozzle 11 is installed on suction nozzle mounting plate 13 and 12 is connected by the road with air compressor 10;Suction nozzle mounting plate 13 Connected respectively respectively at interlocking bar I131 and interlocking bar II by bearing I and bearing I I.
Its motion principle is:It controls positive and negative rotation stepper motor 701 and rotates forward (reversion), speed reducer 702 is driven by gear 703 It rotating forward, arm I901 and arm II902 is driven to do circular motion counterclockwise, positive and negative rotation stepper motor 701 turns to required step-length, It stops operating, aspirated-air type suction nozzle 11 draws liquid transfer gun head;After absorption, control positive and negative rotation stepper motor 701 inverts (rotating forward), passes through Gear 703 drives speed reducer 702 to invert, and drives arm I901 and arm II902 to do circular motion clockwise, moves to pipette tips box At 2, liquid transfer gun head is put into pipette tips hole 201.By controlling the moving step sizes of step-by-step movement clockwise and anticlockwise motor 701, accurately control The movement radian of arm I901 and arm II902 takes liquid transfer gun head position and a position of firing, i.e., from rifle to accurately control it Liquid transfer gun head is taken at the discharging of head transport mechanism, and it is accurately put into the pipette tips hole 201 of pipette tips box 2.
Ensure that the pipette tips fetched every time all can be accurately put into the pipette tips hole 201 of pipette tips box 2, is transported in pipette tips acquisition device In the case that dynamic rail mark is constant, need after firing head every time, the position of mobile pipette tips box 2, to ensure that pipette tips are put down The next pipette tips hole of position alignment 201.The effect of horizontal table is that pipette tips kit platform 3 is driven to move, i.e., more than realization The effect of mobile 2 position of pipette tips box.
Horizontal table includes vertical each other workbench I5 and workbench II6, along the length of workbench I5 and workbench II6 Direction is spent, moving track is both provided in the two;Pipette tips kit platform 3 is mounted on the workbench I moving tracks 503 of workbench I5 On, and can be moved along the moving track 503, to realize movement of the pipette tips kit platform 3 along direction X;Workbench I5 is mounted on work Make on the moving track 602 of platform II6, and can be moved along the moving track 602, the movement of workbench I5 will drive pipette tips kit platform 3 along direction Y movement.Wherein direction X or direction Y be in a mechanism of taking arms direction of relative movement it is parallel.Example side in Fig. 1 To X and direction Y.
As shown in figures 1 and 3, as a kind of more specific embodiment, 3 bottom of pipette tips kit platform is provided with platform sliding block 301, by platform sliding block 301 on the moving track 503 of workbench I;The bottom of workbench I5 is provided with workbench cunning Block 501, by workbench sliding block 501 on the moving track 602 of workbench II6;Workbench I5 and workbench II6 are also equal Including mobile leading screw 502,601,3 bottom of pipette tips kit platform is mounted on the mobile leading screw 502 of workbench 1 by screw slider 302 On, the bottoms workbench I5 are by screw slider on the mobile leading screw 601 of workbench II6.
The mobile leading screw 502 of workbench I5 is driven by motor 801 and is rotated, and pipette tips kit platform 3 will be moved along direction X;Work The mobile leading screw 601 for making platform II6 drives rotation by motor 802, and pipette tips kit platform 3 will be along direction Y motion.Each liquid transfer gun head After being put into pipette tips hole 201, all need to control 3 movement of pipette tips kit platform by horizontal table, so that under aspirated-air type suction nozzle 11 is aligned One empty pipette tips hole 201.
To make the action of placement liquid transfer gun head more standardize, aspirated-air type suction nozzle 11 can be made to be directed at pipette tips box 2 in initial position The pipette tips hole 201 at one corner end, the liquid transfer gun head drawn for the first time, is placed in this pipette tips hole 201.Liquid relief is placed when first time After pipette tips, mobile leading screw 502 is controlled by motor 801 and is rotated, is moved along direction X to control pipette tips box 2, wherein every time Moving step sizes control the spacing between two adjacent gun head bore 201, to ensure that aspirated-air type suction nozzle 11 is directed at next pipette tips hole 201.It so repeats, until full liquid transfer gun head is placed in a row pipette tips hole 201 of X-direction, then, is controlled and moved by motor 802 Dynamic leading screw 601 rotates, and the distance in a pipette tips hole 201 is moved to control pipette tips box 2 along Y-direction, and repeats to inhale before this and take, put The action of liquid transfer gun head is set, until full liquid transfer gun head is set in a row pipette tips hole adjacent with first row pipette tips hole 201.And so on, Until entire pipette tips box 2 is filled.
It these are only a kind of distance of 2 motion mode of pipette tips box, can actually be worked by controlled level according to demand for control The movement of the motion control pipette tips box 2 of platform.
After entire pipette tips box 2 is filled, electric pushrod 4 works, and pipette tips box 2 is released.
Another critical function that automation liquid transfer gun head moves dress system is can be after liquid transfer gun head mounted box, pipette tips box During 2 are pushed out, the snap action of box cover is executed.
Visible part-structure in Fig. 1 and Fig. 3.The edge of pipette tips kit platform 3, one end far from electric pushrod 4, is provided with For executing the buckle closure mechanism for fastening box cover;Buckle closure mechanism includes the buckle closure item 14 being installed on workbench, along pipette tips box quilt The direction of promotion, buckle closure item 14 is to the inside of pipette tips kit platform, inclined upward.
During the shifting of liquid transfer gun head dress, 2 box cover of pipette tips box is in an open state, that is, the box body of opposite pipette tips box 2, box It covers towards the inside of pipette tips kit platform 3.Buckle closure item 14 is one section of plate-like structure.In order to ensure the stabilization of 14 structure of buckle closure item Property, a support construction is installed between 14 lower part of buckle closure item, with pipette tips kit platform 3, avoids the impact that buckle closure item 14 is subject to excessive, It is deformed.
During pipette tips box 2 is pushed out, box cover is contacted with buckle closure item 14, due to the direction of opposite pipette tips box movement, buckle closure There are the angle on relatively oblique between item 15 and box cover, under the transitional function of buckle closure item 14, box cover is snapped.
In view of the cooperating of aspirated-air type suction nozzle 11, pipette tips box 2, horizontal table needs to ensure 2 position of pipette tips box Stability is provided with box slot, width and the pipette tips box of box slot as a kind of more preferably embodiment on pipette tips kit platform 3 Length is of same size.In this way, pipette tips box 2 can prevent in box slot, avoid in work, double swerve occurs, generation position is inclined Difference prevents liquid transfer gun head from being accurately put into pipette tips hole 201.

Claims (5)

1. liquid transfer gun head clip loading system, including rack, cassette loading mechanism and the transport mechanism for conveying liquid transfer gun head, feature exist In:The cassette loading mechanism includes for a mechanism of taking arms for head of taking arms from the transport mechanism, the rifle for placing pipette tips box Head cartridge platform, for pushing electric pushrod that pipette tips box moves on pipette tips kit platform, for carrying pipette tips kit platform and can band The horizontal table that dynamic pipette tips kit platform is moved along two directions vertical each other;
A mechanism of taking arms includes pipette tips acquisition device and controllable pipette tips acquisition device between transport mechanism and cassette loading mechanism The control mechanism of movement;
The horizontal table includes vertical each other workbench I and workbench II, along the length side of workbench I and workbench II To being both provided with moving track in the two;The pipette tips kit platform is mounted on the moving track of workbench I, and can be along the shifting Dynamic rail road moves, and workbench I can be moved on the moving track of workbench II along the moving track;
The edge of pipette tips kit platform, one end far from electric pushrod are provided with for executing the buckle closure mechanism for fastening box cover;It is described Buckle closure mechanism includes the buckle closure item being installed on workbench, and along the direction that pipette tips box is pushed, buckle closure item is to pipette tips kit platform Inside, inclined upward;
The pipette tips obtain mechanism include rocking-turn arm, air compressor and be set on rocking-turn arm with air compressor phase The aspirated-air type suction nozzle connect, the control mechanism include positive and negative rotation stepper motor, speed reducer, the positive and negative rotation stepper motor output shaft By gear engaged transmission driving reductor shaft, the rocking-turn arm connects with reductor shaft, and driven from reductor shaft do toward Multiple forward and reverse circular motion;
The rocking-turn arm includes arm I and arm II disposed in parallel, and arm I connects with speed reducer output shaft, arm II with Speed reducer drive shaft connects, and the speed reducer output shaft passes through gear engaged transmission with speed reducer drive shaft;It is horizontal on the arm I It is provided with interlocking bar I to perpendicular;It is laterally perpendicular on the arm II to be provided with interlocking bar II;Aspirated-air type suction nozzle is installed In being connected on suction nozzle mounting plate and with air compressor by the road;Suction nozzle mounting plate by bearing respectively with interlocking bar I and linkage Bar II connects.
2. liquid transfer gun head clip loading system as described in claim 1, it is characterised in that:The aspirated-air type suction nozzle is dismounting and change formula Suction nozzle.
3. liquid transfer gun head clip loading system as described in claim 1, it is characterised in that:It is provided with box on the pipette tips kit platform Slot, the width of box slot and the length of pipette tips box or of same size.
4. liquid transfer gun head clip loading system as claimed in claim 3, it is characterised in that:The buckle closure item is mounted on the notch of box slot Edge.
5. liquid transfer gun head clip loading system as described in claim 1, it is characterised in that:Pipette tips kit platform bottom is provided with flat Platform sliding block, by platform sliding block on the moving track of workbench I;The bottom of the workbench I is provided with workbench cunning Block, by workbench sliding block on the moving track of workbench II;The workbench I and workbench II also include movement Leading screw, by screw slider on the mobile leading screw of workbench I, the bottoms workbench I pass through leading screw for pipette tips kit platform bottom Sliding block is on the mobile leading screw of workbench II.
CN201611052478.4A 2016-11-24 2016-11-24 Liquid transfer gun head clip loading system Active CN106379594B (en)

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CN106945889B (en) * 2017-05-05 2022-07-19 中禹科技集团有限公司 Full-automatic pipette tip boxing machine and boxing method thereof
CN109911305A (en) * 2019-01-17 2019-06-21 上海海洋大学 A kind of pipette tips boxing device of semi-automation
CN110182428B (en) * 2019-02-21 2024-01-16 杭州多泰科技有限公司 Gun head batch boxing system of pipetting gun
CN111792090A (en) * 2020-06-10 2020-10-20 江苏大学 Intelligent robot high accuracy vibrating rifle head cartoning device
CN113978813B (en) * 2021-10-28 2022-12-23 郑州大学第一附属医院 Automatic boxing device for pipette head
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