CN205042499U - Multichannel liquid transfer device - Google Patents
Multichannel liquid transfer device Download PDFInfo
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- CN205042499U CN205042499U CN201520793696.8U CN201520793696U CN205042499U CN 205042499 U CN205042499 U CN 205042499U CN 201520793696 U CN201520793696 U CN 201520793696U CN 205042499 U CN205042499 U CN 205042499U
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- shell
- portable plate
- lead screw
- drive motors
- piston rod
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Abstract
The utility model relates to a multichannel liquid transfer device, including the shell, inhale the tapping subassembly, play the first subassembly of imbibition, the first transmission lead screw of driving motor drive of inhaling the tapping subassembly reciprocates, drives slider and piston rod and reciprocates, realizes imbibition flowing back and the operation of piping and druming mixing, the 2nd driving motor drive secondary drive lead screw of playing the first subassembly of imbibition moves down, and compression spring promotes L shape fly leaf and moves down, and L shape fly leaf lies in the side shell diapire under for thrust under the imbibition head for the imbibition head that minor diameter barrel bottom was located to the cover drops, then the 2nd driving motor control secondary drive lead screw shifts up, and the spring of compressed makes L shape fly leaf shift up for the ascending elasticity of L shape fly leaf simultaneously, recovers the position with the contact of secondary drive lead screw, the device simple structure, the drive of the outside arm of whole device cooperation can be high -efficient in the work of treatment of automation liquid is stood, and the accurate imbibition head of must accomplishing is installed, and liquid shifts, abandons the first -class operation of imbibition.
Description
Technical field
The utility model relates to biomedicine technical field, is specifically related to a kind of Multi-channel liquid transfer device.
Background technology
Liquid-transfering device is applied very extensive in the biochemical sample process in the fields such as disease control, food security, forensic identification, genomics.Mainly single the pipettor adapted in current Biochemical Lab, manual hand manipulation completes liquid transfer process.But when needing to process great amount of samples for Disease Control and Prevention Center is this, manual operation is time-consuming requires great effort again.And move in liquid process need load fluid suction head, abandon the first-class operation of imbibition.Therefore need the multichannel device being easy to integrated automation to complete to move liquid process in disease sample examination.
Utility model content
The purpose of this utility model is to provide a kind of Multi-channel liquid transfer device, and this apparatus structure is simple, and whole device coordinates outside robotic arm to drive, can be efficient in automatic fluid processing workstation, the accurate fluid suction head that must complete is installed, and liquid shifts, and abandons the first-class operation of imbibition.
The technical solution of the utility model is: a kind of Multi-channel liquid transfer device, comprises the shell of front openings; Be provided with the first drive motors above described shell, the first drive lead screw of the first drive motors is connected in the slide block in shell through cover top portion, and described slider bottom is evenly provided with several piston rods with piston;
Described enclosure is fixedly installed a horizontal closing surface, enclosure is divided into upper and lower two cavitys; Described horizontal closing surface offers several through holes with piston rod one_to_one corresponding;
Described Multi-channel liquid transfer device comprises several and piston rod piston cylinder one to one, and described piston cylinder is made up of top large-diameter cylinder body and lower smaller diameter cylindrical shell; Described piston cylinder top is interspersed in the through hole of horizontal closing surface one to one, the compressing tablet with the perforate of piston rod one_to_one corresponding is installed with above horizontal closing surface, the bore dia of described compressing tablet is less than the diameter of large-diameter cylinder body above piston cylinder and is greater than the diameter of piston rod thus piston cylinder is not moved relative to fixing with horizontal closing surface, and described piston rod is interspersed in piston cylinder one to one; First drive motors drives the first drive lead screw to move up and down, and band movable slider and piston rod move up and down, and realizes imbibition discharge opeing and piping and druming mixing operation;
Described Multi-channel liquid transfer device comprises a L shape portable plate, described L shape portable plate one side is as housing front plate, another side is arranged at below outer shell bottom wall, all correspondingly on the L shape portable plate side under described outer shell bottom wall and diapire offers several and piston cylinder lower smaller diameter cylindrical shell via hole one to one; Piston cylinder lower smaller diameter cylindrical shell is one to one through the via hole on the L shape portable plate side under outer shell bottom wall and diapire; A fluid suction head is arranged with bottom each cylinders with small diameter;
Be provided with the second drive motors above described shell, the second drive lead screw of the second drive motors is through cover top portion and the L shape portable plate side tip contact as housing front plate; Described L shape portable plate is respectively provided with a groove as the both sides of housing front plate side, is extruded with one piece of boss be fixed on side wall of outer shell in two grooves respectively, is provided with a spring above boss and between groove upper surface; Second drive motors drives the second drive lead screw to move down, Compress Spring, promote L shape portable plate to move down, L shape portable plate is positioned at side under outer shell bottom wall to thrust under fluid suction head, the fluid suction head be sheathed on bottom cylinders with small diameter is dropped, and then the second drive motors controls the second turn-screw moves, simultaneously by the spring that compresses to L shape portable plate elastic force upwards, make L shape portable plate moves, return to the position contacted with the second drive lead screw.
Further, described enclosure is respectively arranged with a vertical guide pillar close to two side place, and described slide block two ends perforate, through vertical guide pillar, keeps level when slide block is moved up and down.
Further, protrude downwards in the middle of described slide block, be provided with several and piston rod draw-in groove one to one bottom protruding end, piston rod top is embedded in draw-in groove one to one.
Further, described first drive motors and the second drive motors are all fixed on above shell by electric machine support.Be fixedly connected with reliable.
The beneficial effects of the utility model are: the utility model structure is simple, easy to operate, is easy to integration realization automation, and pipetting is quick, accurately.In actual applications, the utility model moves except liquid function except having, and also has loading fluid suction head, abandons fluid suction head, liquid is carried out to the functions such as piping and druming mixing.
Accompanying drawing explanation
Fig. 1 is the utility model overall appearance figure;
Fig. 2 is the utility model cut-away view;
Fig. 3 is that the utility model fluid suction head comes off schematic diagram.
Wherein: 1 is shell, 2 is the first drive motors, and 3 is the second drive motors, 4 is horizontal closing surface, and 5 is boss, and 6 is electric machine support, 7 is the first drive lead screw, and 8 is the second drive lead screw, and 9 is slide block, 10 is guide pillar, 11 is the piston rod with piston, and 12 is L shape portable plate, and 13 is spring, 14 is compressing tablet, and 15 is piston cylinder.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, 2, 3, a kind of Multi-channel liquid transfer device, comprises the shell 1 of front openings, and shell 1 processes with the metalwork of monoblock; The first drive motors 2 is fixed with by electric machine support 6 above described shell 1, first drive lead screw 7 of the first drive motors 2 is connected in the slide block 9 in shell through cover top portion, described shell 1 inside is respectively arranged with a vertical guide pillar 10 close to two side place, described slide block 9 two ends perforate, through vertical guide pillar, keeps level when slide block is moved up and down.Described slide block 9 bottom even is provided with 8 piston rods 11 with piston.Concrete, protrude downwards in the middle of described slide block 9, be provided with several and piston rod draw-in groove one to one bottom protruding end, piston rod top is embedded in draw-in groove one to one.
Described shell 1 inside is fixedly installed a horizontal closing surface 4, enclosure is divided into upper and lower two cavitys; Described horizontal closing surface 4 offers several through holes with piston rod one_to_one corresponding.
Described Multi-channel liquid transfer device comprises 8 and piston rod piston cylinder 15 one to one, and described piston cylinder 15 is made up of top large-diameter cylinder body and lower smaller diameter cylindrical shell; Described piston cylinder 15 top is interspersed in the through hole of horizontal closing surface one to one, the compressing tablet 14 with the perforate of piston rod one_to_one corresponding is installed with above horizontal closing surface, the bore dia of described compressing tablet 14 is less than the diameter of large-diameter cylinder body above piston cylinder and is greater than the diameter of piston rod thus piston cylinder is not moved relative to fixing with horizontal closing surface, and described piston rod is interspersed in piston cylinder one to one; First drive motors drives the first drive lead screw to move up and down, and band movable slider and piston rod move up and down, and realizes imbibition discharge opeing and piping and druming mixing operation.
Described Multi-channel liquid transfer device comprises a L shape portable plate 12, described L shape portable plate 12 1 side is as housing front plate, another side is arranged at below outer shell bottom wall, all correspondingly on the L shape portable plate side under described shell 1 diapire and diapire offers several and piston cylinder lower smaller diameter cylindrical shell via hole one to one; Piston cylinder 15 lower smaller diameter cylindrical shell is one to one through the via hole on the L shape portable plate side under outer shell bottom wall and diapire; A fluid suction head is arranged with bottom each cylinders with small diameter.
The second drive lead screw 8 being fixed with the second drive motors 3, second drive motors 3 above described shell 1 by electric machine support 6 is through cover top portion and the L shape portable plate side tip contact as housing front plate; Described L shape portable plate is respectively provided with a groove as the both sides of housing front plate side, is extruded with one piece of boss 5 be fixed on side wall of outer shell respectively, is provided with a spring 13 above boss and between groove upper surface in two grooves; Second drive motors drives the second drive lead screw to move down, Compress Spring, promote L shape portable plate to move down, L shape portable plate is positioned at side under outer shell bottom wall to thrust under fluid suction head, the fluid suction head be sheathed on bottom cylinders with small diameter is dropped, and then the second drive motors controls the second turn-screw moves, simultaneously by the spring that compresses to L shape portable plate elastic force upwards, make L shape portable plate moves, return to the position contacted with the second drive lead screw.
During work, by the movement of mechanical arm, the fluid suction head on platform is closely inserted into piston cylinder lower end, then fluid suction head is inserted in liquid to be transferred.Control the first drive motors, the first drive lead screw is moved up, thus band movable slider moves up along guide pillar, the piston rod of multiple passage also drives piston to move up simultaneously, and liquid is entered in each passage fluid suction head.During tapping, the first drive motors makes the first drive lead screw move down, and slide block drives piston rod and piston to move down along guide pillar, and compressed air discharges the liquid in fluid suction head.Change the direction of motion and the speed of drive motors, the piping and druming mixing operation to liquid can be realized.Device is moved to fluid suction head and reclaim station, control the second drive motors, second drive lead screw is moved down, press down L shape portable plate, spring on boss on compression shell madial wall, whole L shape portable plate moves down, and the meeting of L shape portable plate lower wall, to thrust under fluid suction head, makes fluid suction head drop from piston cylinder.Then the second drive motors controls the second drive lead screw moves, simultaneously by the spring that compresses to L shape portable plate elastic force upwards, make L shape portable plate moves, return to the position contacted with the second drive lead screw.
More than describe preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple equivalents to the technical solution of the utility model, these equivalents all belong to protection domain of the present utility model.
Claims (4)
1. a Multi-channel liquid transfer device, is characterized in that: the shell (1) comprising front openings; Described shell (1) top is provided with the first drive motors (2), first drive lead screw (7) of the first drive motors (2) is connected in the slide block (9) in shell through cover top portion, described slide block (9) bottom even is provided with several piston rods with piston (11);
Described shell (1) inside is fixedly installed a horizontal closing surface (4), enclosure is divided into upper and lower two cavitys; Described horizontal closing surface (4) is gone up and piston rod one_to_one corresponding offers several through holes;
Described Multi-channel liquid transfer device comprises several and piston rod piston cylinder (15) one to one, and described piston cylinder (15) is made up of top large-diameter cylinder body and lower smaller diameter cylindrical shell; Described piston cylinder (15) top is interspersed in the through hole of horizontal closing surface one to one, be installed with above horizontal closing surface and the compressing tablet of piston rod one_to_one corresponding perforate (14), the bore dia of described compressing tablet (14) is less than the diameter of large-diameter cylinder body above piston cylinder and is greater than the diameter of piston rod thus piston cylinder is not moved relative to fixing with horizontal closing surface, and described piston rod is interspersed in piston cylinder one to one; First drive motors drives the first drive lead screw to move up and down, and band movable slider and piston rod move up and down, and realizes imbibition discharge opeing and piping and druming mixing operation;
Described Multi-channel liquid transfer device comprises a L shape portable plate (12), described L shape portable plate (12) side is as housing front plate, another side is arranged at below outer shell bottom wall, all correspondingly on the L shape portable plate side under described shell (1) diapire and diapire offers several and piston cylinder lower smaller diameter cylindrical shell via hole one to one; Piston cylinder (15) lower smaller diameter cylindrical shell is one to one through the via hole on the L shape portable plate side under outer shell bottom wall and diapire; A fluid suction head is arranged with bottom each cylinders with small diameter;
Described shell (1) top is provided with the second drive motors (3), and second drive lead screw (8) of the second drive motors (3) is through cover top portion and the L shape portable plate side tip contact as housing front plate; Described L shape portable plate is respectively provided with a groove as the both sides of housing front plate side, be extruded with one piece of boss (5) be fixed on side wall of outer shell in two grooves respectively, above boss and between groove upper surface, be provided with a spring (13); Second drive motors drives the second drive lead screw to move down, Compress Spring, promote L shape portable plate to move down, L shape portable plate is positioned at side under outer shell bottom wall to thrust under fluid suction head, the fluid suction head be sheathed on bottom cylinders with small diameter is dropped, and then the second drive motors controls the second turn-screw moves, simultaneously by the spring that compresses to L shape portable plate elastic force upwards, make L shape portable plate moves, return to the position contacted with the second drive lead screw.
2. a kind of Multi-channel liquid transfer device according to claim 1, it is characterized in that: described shell (1) inside is respectively arranged with a vertical guide pillar (10) close to two side place, described slide block (9) two ends perforate, through vertical guide pillar, keeps level when slide block is moved up and down.
3. a kind of Multi-channel liquid transfer device according to claim 1 and 2, it is characterized in that: protrude downwards in the middle of described slide block (9), be provided with several and piston rod draw-in groove one to one bottom protruding end, piston rod top is embedded in draw-in groove one to one.
4. a kind of Multi-channel liquid transfer device according to claim 1, is characterized in that: described first drive motors (2) and the second drive motors (3) are all fixed on shell (1) top by electric machine support (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520793696.8U CN205042499U (en) | 2015-10-14 | 2015-10-14 | Multichannel liquid transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520793696.8U CN205042499U (en) | 2015-10-14 | 2015-10-14 | Multichannel liquid transfer device |
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| Publication Number | Publication Date |
|---|---|
| CN205042499U true CN205042499U (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520793696.8U Active CN205042499U (en) | 2015-10-14 | 2015-10-14 | Multichannel liquid transfer device |
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| CN (1) | CN205042499U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170210A (en) * | 2015-10-14 | 2015-12-23 | 东南大学 | Multi-channel liquid transfer device |
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2015
- 2015-10-14 CN CN201520793696.8U patent/CN205042499U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170210A (en) * | 2015-10-14 | 2015-12-23 | 东南大学 | Multi-channel liquid transfer device |
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