CN101559390B - Multi-suction spindle liquidrelief device capable of adjusting position of suction spindle - Google Patents
Multi-suction spindle liquidrelief device capable of adjusting position of suction spindle Download PDFInfo
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- CN101559390B CN101559390B CN2009100511646A CN200910051164A CN101559390B CN 101559390 B CN101559390 B CN 101559390B CN 2009100511646 A CN2009100511646 A CN 2009100511646A CN 200910051164 A CN200910051164 A CN 200910051164A CN 101559390 B CN101559390 B CN 101559390B
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Abstract
The invention provides a multi-suction spindle liquidrelief device capable of adjusting position of suction spindle, comprising a mechanical arm, a liquidrelief passage, a pipette, slide rails and suction spindles, and further comprising a locating piece. The locating piece is composed of a slide block, an upper spring, a lower spring and a locating ring. The upper frame and lower frame of the frame slide block are provided with through holes, the convex ribs and grooves on the front and back side faces of the left and right frames have two corresponding structures. The bottom of the slide block is provided with a fitting sleeve. The slide blocks of the upper spring and the lower spring are arranged in the frame and sleeved at the lower portion of the suction pipe of the liquidrelief passage. The locating ring is mounted on the suction pipe between the upper spring and the lower spring. When a multi-liquidrelief passage module performs liquidrelief operation, the trapezoidal convex ribs and grooves are engaged one another among the locating pieces. The location accuracy of the suction spindle, the precision and flexibility of the liquidrelief operation are ensured by application ofa principle that inclined contact is capable of automatically adjusting gaps.
Description
Technical field
The present invention relates to the biochemical analysis technology, the particularly a kind of many suction spindles liquid-transfering device that can regulate the suction spindle position automatically.
Background technology.
Along with the develop rapidly of life science technology, Biochemical Lab will be in the face of more complicated goal in research and ever-increasing sample size, and the sample treatment workload that biochemical analysis is born also is doubled and redoubled, and its operating process realizes that automatic operating is an inexorable trend.In the pre-treatment process of these samples, reagent, pipetting will intert repeatedly between each flow process, and as the transfer of sample, the interpolation of reagent etc., treated sample is transported to checkout equipment again and analyzes and researches.
The liquid technology of moving advanced in the world mainly comprises the many suction spindles liquid-transfering device that adopts the independent dynamic positioning system technology of moving the liquid passage more at present, automatic fluid work of treatment station as Switzerland Hamilton (HAMILTON) company, a plurality of liquid passages that move can be installed on the mechanical arm of this liquid-transfering device, can match 1,2,4,8,12,16 passages as required, each passage is by the control of high accuracy motor and microprocessor program, can and move liquid in Y-axis, the running fix of Z-direction independence of mechanical arm.Its channel pitch can be regulated with the multichannel that satisfies all size porous plate or sample cell and be operated simultaneously, and this independently flexibility has improved the speed of various experiments greatly.But this device usually adopts the operation of 4 or 8 channel modules, and for the degree of accuracy and the maintenance of the suction spindle interval location that guarantees each passage is on same the straight line, so the slide rail process and assemble precision that main dependence respectively moves the liquid passage is the manufacturing cost costliness of equipment; And after the device long-time running,, the mechanical part wearing and tearing are positioned with cumulative offset because of causing.
Summary of the invention
The present invention involves great expense in order to solve existing multi-channeled transposition arrangement, and wearing and tearing produce the existing technical problem of accumulation skew easily, develop a kind of structure that can regulate the suction spindle position automatically and are improved.
According to above-mentioned purpose, the invention provides a kind of many suction spindles liquid-transfering device that can regulate the suction spindle position automatically, comprise mechanical arm, move liquid passage, pipette, slide rail, suction spindle, also comprise keeper; Keeper is by slide block, and upper spring, lower spring, centring ring are formed;
Wherein the upper and lower frames of shaped as frame slide block has through hole, front and back sides at left and right sides frame, if left frame has cross section to be trapezoidal convex tendon, then right frame should have cross section to be trapezoidal groove mutually, convex tendon on the slide block and groove have two kinds of corresponding structures, there is the wing angle lower end of the left and right side of left and right sides frame, in the bottom of slide block fitting sleeve is arranged;
Wherein be mounted with the slide block of upper spring, lower spring in frame, be sleeved on the pipette bottom of moving the liquid passage, centring ring is installed on the pipette between upper spring, the lower spring;
The slide rail that wherein moves the liquid passage is installed on the mechanical arm, and suction spindle is sleeved on the pipette lower end.
Said apparatus, the convex tendon on the wherein adjacent slide block front and back sides that moves the liquid passage is meshing with each other with groove and contacts.
Said apparatus wherein moves the quantity of liquid passage and can select according to the pipetting needs.
The present invention is owing to taked above technical measures, when moving the liquid channel module more and carry out pipetting, be trapezoidal convex tendon and engagement between its keeper, use the principle that the inclined-plane contact can be regulated the gap automatically, thereby reduced high accuracy process and assemble requirement, saved manufacturing cost equipment.Also avoid the cumulative offset that produces after the equipment long-time running simultaneously, guaranteed the suction spindle accurate positioning, the accuracy of pipetting and flexibility.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is one of slide block structure schematic diagram of the present invention.
Fig. 3 is two of a slide block structure schematic diagram of the present invention.
Fig. 4 is three of a slide block structure schematic diagram of the present invention.
Fig. 5 is a keeper structural representation of the present invention.
Fig. 6 is a keeper combining structure schematic diagram of the present invention.
The specific embodiment
As shown in Figure 1, a kind of many suction spindles liquid-transfering device that can regulate the suction spindle position automatically, comprise mechanical arm 1, move liquid passage 2, pipette 3, slide rail 4, suction spindle 5 and keeper 6, each moves liquid passage 2 by high accuracy motor and microprocessor program control, in the track of mechanical arm 1, do Y-axis, the running fix of Z-direction independence and imbibition by slide rail 4, so the manufacturing cost costliness of this device.The present invention is moving keeper 6 of increase on the liquid passage 2, when a plurality of imbibition passages 2 (be illustrated as 8 passages and move the liquid module combinations) are worked, can draw close engagement mutually and being positioned to an assembly, has guaranteed that many suction spindles move the accuracy that liquid level is put.
As shown in Figure 2, wherein slide block 7 upper and lower frames of shaped as frame have through hole 71,72, front and back sides at left and right sides frame, if left frame has cross section to be trapezoidal convex tendon 73, then right frame should have cross section to be trapezoidal groove 74 mutually, convex tendon 73 on the slide block 7 has two kinds of corresponding structures with groove 74, and there is wing angle 75 lower end of the left and right side of left and right sides frame, in the bottom of slide block 7 fitting sleeve 76 is arranged.
Shown in Fig. 3,4, on the front and back sides of the slide block 7 of the wherein adjacent keeper 6 that moves the liquid passage, if the left frame of one of them is a convex tendon 73, then another left frame is a groove 74, vice versa, so the convex tendon 73 on the slide block 7, groove 74 have two kinds of corresponding structures.The slide block 7 of this structure convex tendon 73 when drawing close mutually can mesh the location with groove 74.
As shown in Figure 5, keeper 6 of the present invention comprises slide block 7, upper spring 8, lower spring 9, centring ring 10.Wherein the space up and down in slide block 7 frames is mounted with upper spring 8, lower spring 9, through hole 71,72 by upper and lower frames is sleeved on pipette 3 bottoms of moving liquid passage 2 again, centring ring 10 is installed on the pipette 3 between upper spring 8, the lower spring 9, the slide rail 4 that wherein moves liquid passage 2 is installed on the mechanical arm 1, and suction spindle 5 is sleeved on pipette 3 lower ends.
, move the quantity of liquid passage 2 and can select in conjunction with shown in Figure 1 as Fig. 6 according to the pipetting needs.Wherein in many suction spindles liquid-transfering device adjacent imbibition passage 2 be positioned at the control of high accuracy motor and microprocessor program down, its cross section of front and back sides of the slide block 7 of its keeper 6 is trapezoidal convex tendon 73 and can be meshing with each other with groove 74.The inclined-plane contact that the present invention uses this structure just cooperates the principle that can regulate the gap automatically, regulates the suction spindle position automatically, guarantees the positioning accuracy of many suction spindles.
Claims (2)
1. the many suction spindles liquid-transfering device that can regulate the suction spindle position automatically, comprise mechanical arm (1), move liquid passage (2), pipette (3), slide rail (4), suction spindle (5), it is characterized in that: also comprise keeper (6), keeper (6) is made up of shaped as frame slide block (7), upper spring (8), lower spring (9), centring ring (10);
Wherein the upper and lower frames of shaped as frame slide block has through hole (71,72), front and back sides at left and right sides frame, if left frame has cross section to be trapezoidal convex tendon (73), then right frame should have cross section to be trapezoidal groove (74) mutually, convex tendon (73), groove (74) on the shaped as frame slide block (7) have two kinds of corresponding structures, there is wing angle (75) lower end of the left and right side of left and right sides frame, in the bottom of shaped as frame slide block (7) fitting sleeve (76) is arranged;
Described two kinds of corresponding structures are meant: the left frame of shaped as frame slide block (7) is convex tendon (73), and then the left frame of another shaped as frame slide block (7) is groove (74), and perhaps both exchange;
The shaped as frame slide block (7) of upper spring (8), lower spring (9) wherein is installed in frame, is sleeved on the pipette (3) of moving liquid passage (2);
Wherein centring ring (10) is installed on the pipette (3) between upper spring (8), the lower spring (9);
The slide rail (4) that wherein moves liquid passage (2) is installed on the mechanical arm (1), and suction spindle (5) is sleeved on pipette (3) lower end;
Convex tendon (73) on wherein adjacent shaped as frame slide block (7) front and back sides that moves liquid passage (2) is meshing with each other with groove (74) and contacts.
2. device according to claim 1 is characterized in that: the quantity of wherein moving liquid passage (2) can be selected according to the pipetting needs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100511646A CN101559390B (en) | 2009-05-14 | 2009-05-14 | Multi-suction spindle liquidrelief device capable of adjusting position of suction spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100511646A CN101559390B (en) | 2009-05-14 | 2009-05-14 | Multi-suction spindle liquidrelief device capable of adjusting position of suction spindle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101559390A CN101559390A (en) | 2009-10-21 |
| CN101559390B true CN101559390B (en) | 2011-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100511646A Active CN101559390B (en) | 2009-05-14 | 2009-05-14 | Multi-suction spindle liquidrelief device capable of adjusting position of suction spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101559390B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5419194B2 (en) * | 2010-05-03 | 2014-02-19 | インテグラ バイオサイエンシズ コープ． | Manually oriented multi-channel electronic pipette system |
| CN108273578B (en) * | 2018-03-07 | 2024-03-26 | 广东顺德工业设计研究院(广东顺德创新设计研究院) | Pipetting device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2076444U (en) * | 1990-09-29 | 1991-05-08 | 唐国泰 | Multi-row multi-head micro-pipetting device |
| EP0904840A2 (en) * | 1997-09-30 | 1999-03-31 | Becton, Dickinson and Company | Apparatus for drawing liquids into and expelling liquids from a pipet at variable flow rates |
| US6253628B1 (en) * | 1998-08-21 | 2001-07-03 | Becton Dickinson And Company | Apparatus for drawing liquids into and expelling liquids from a pipet at variable flow rates |
-
2009
- 2009-05-14 CN CN2009100511646A patent/CN101559390B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2076444U (en) * | 1990-09-29 | 1991-05-08 | 唐国泰 | Multi-row multi-head micro-pipetting device |
| EP0904840A2 (en) * | 1997-09-30 | 1999-03-31 | Becton, Dickinson and Company | Apparatus for drawing liquids into and expelling liquids from a pipet at variable flow rates |
| US6253628B1 (en) * | 1998-08-21 | 2001-07-03 | Becton Dickinson And Company | Apparatus for drawing liquids into and expelling liquids from a pipet at variable flow rates |
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| Publication number | Publication date |
|---|---|
| CN101559390A (en) | 2009-10-21 |
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