JPH0678971B2 - Dispensing device - Google Patents
Dispensing deviceInfo
- Publication number
- JPH0678971B2 JPH0678971B2 JP60246170A JP24617085A JPH0678971B2 JP H0678971 B2 JPH0678971 B2 JP H0678971B2 JP 60246170 A JP60246170 A JP 60246170A JP 24617085 A JP24617085 A JP 24617085A JP H0678971 B2 JPH0678971 B2 JP H0678971B2
- Authority
- JP
- Japan
- Prior art keywords
- dispensing
- friction engagement
- plunger
- engagement portion
- dispensing tip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Description
【発明の詳細な説明】 〔発明の利用分野〕 本発明は、複数の容器の間に液体サンプルの移動を行う
分注装置に係り、特にサンプル間の相互汚染を防ぐため
にデイスポザルな分注用チツプを自動的に交換するため
に好適な分注装置に関する。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dispensing device for moving a liquid sample between a plurality of containers, and in particular, a disposable dispensing chip for preventing cross contamination between samples. The present invention relates to a dispensing device suitable for automatically exchanging.
デイスポザルを分注用チツプを取扱う従来の装置には、
サンプル吸入排出に用いるプランンジヤ駆動機構、分注
用チツプを取外すための取外しプレート駆動用ソレノイ
ドの２つの駆動機構が別々に設けられていた（特開昭59
−147268号）。このため機構が複雑になり、また装置の
大型化の原因ともなつていた。The conventional device that handles chips for dispensing disposables,
Two drive mechanisms, that is, a plunger drive mechanism used for sample suction and discharge and a detaching plate drive solenoid for detaching the dispensing chip, were separately provided (Japanese Patent Laid-Open No. 59-59).
-147268). This complicates the mechanism and causes the device to become large.
本発明の目的は、デイスポザルの分注用チツプを取扱う
機構部を簡単化し、装置の小型化を図ることができる分
注装置を提供することにある。It is an object of the present invention to provide a dispensing device that simplifies a mechanism portion that handles a dispensing tip of a disposable and can downsize the device.
本発明は、プランジヤ駆動機構と連動する分注用チツプ
押出機構を設け、この分注用チツプ押出機構を下方向に
移動させることによつて分注用チツプの取外しを可能に
するものである。According to the present invention, a dispensing chip pushing mechanism that is interlocked with a plunger driving mechanism is provided, and the dispensing chip pushing mechanism can be removed by moving the dispensing chip pushing mechanism downward.
以下、本発明の一実施例を第１図を用いて説明する。分
注装置は、分注用チツプ１を着脱する摩擦係合部2,摩擦
係合部２上部に位置する胴体部3,摩擦係合部２及び胴体
部３を貫く大気連通孔4,大気連通孔４内を上下移動する
プランジヤ5,ステツピングモータ6a,カツプリング6b,ボ
ールネジ6c,プランジヤ保持部材6d,プランジヤの上下移
動部6e,軸受部材6fよりなるプランジヤ駆動機構6,モー
タ7a,上下移動部7b,軸受部材7cよりなり、摩擦係合部２
からプランジヤ駆動機構６までの部分を上下移動させる
上下駆動機構7,分注用チツプ１及び容器８を搬送する搬
送機構９（紙面に垂直方向に移動），プランジヤ駆動機
構6,上下駆動機構７及び搬送機構９の動作を制御するコ
ントローラ10よりなる。本実施例においては、プランジ
ヤ駆動機構６と連動して胴体部３の外側を摺動する分注
用チツプ押出部材11及び分注用チップ取外し部材12を設
ける。この分注用チツプ取外し部材12は分注用チツプ１
をはめこむときのチツプ位置決めのストツパとして有効
である。次に、本実施例の平面概要図を第２図に示す。
本実施例中の搬送機構９は、分注用チツプ１及び容器８
を搭載する搬送台9a,搬送台を駆動する搬送機構9b（例
えばリニアステツピングモータ）よりなる。なお摩擦係
合部２の下方に分注用チツプ１を廃棄するための廃棄孔
13を設けておき、搬送台9aが廃棄孔13を通過したときに
分注用チツプ１を廃棄できるように構成する。また、こ
の他にも分注用チツプ１及び容器８を搬送台9aに供給す
る機構も存在するが、ここでは図示しない。An embodiment of the present invention will be described below with reference to FIG. The dispensing device comprises a friction engagement part 2 for attaching and detaching the dispensing chip 1, a body part 3 located above the friction engagement part 2, an atmosphere communication hole 4 penetrating the friction engagement part 2 and the body part 3, an atmosphere communication Plunger 5 moving up and down in hole 4, stepping motor 6a, coupling 6b, ball screw 6c, plunger holding member 6d, plunger moving unit 6e, plunger driving mechanism 6 including bearing member 6f, motor 7a, moving unit 7b. , The bearing member 7c, and the friction engagement portion 2
To a plunger drive mechanism 6 up and down, a vertical drive mechanism 7, a transport mechanism 9 (which moves in a direction perpendicular to the paper surface) for transporting the dispensing chip 1 and the container 8, a plunger drive mechanism 6, a vertical drive mechanism 7 and The controller 10 controls the operation of the transport mechanism 9. In this embodiment, a dispensing chip pushing member 11 and a dispensing tip removing member 12 which slides on the outside of the body portion 3 in cooperation with the plunger drive mechanism 6 are provided. This dispensing tip removing member 12 is a dispensing tip 1.
It is effective as a stopper for positioning the chip when inserting. Next, FIG. 2 shows a schematic plan view of this embodiment.
The transport mechanism 9 in the present embodiment includes the dispensing chip 1 and the container 8.
And a transport mechanism 9b (for example, a linear stepping motor) that drives the transport platform. A disposal hole for disposing the dispensing chip 1 is provided below the friction engagement portion 2.
13 is provided so that the dispensing chip 1 can be discarded when the carrier 9a passes through the discarding hole 13. In addition to this, there is also a mechanism for supplying the dispensing chip 1 and the container 8 to the carrier 9a, but they are not shown here.
本実施例の動作は次のステツプからなる。The operation of this embodiment consists of the following steps.
１）搬送機構９を駆動し、新しい分注用チツプを摩擦係
合部２の下方に位置させる。1) The transport mechanism 9 is driven to position a new dispensing chip below the friction engagement portion 2.
２）上下駆動機構７を駆動し、摩擦係合部２を下降させ
て分注用チツプを摩擦係合部２にはめこむ。なお、この
とき分注用チツプ取外し部材12がストッパの役割を果た
すので、分注用チツプ１のはめこみ位置を精度よく決め
られる。2) The up-and-down drive mechanism 7 is driven to lower the friction engagement portion 2 to fit the dispensing chip into the friction engagement portion 2. At this time, the dispensing chip removing member 12 functions as a stopper, so that the fitting position of the dispensing chip 1 can be accurately determined.
３）上下駆動機構７を駆動して摩擦係合部２にはめこん
だ分注用チツプを上昇させる。3) The vertical driving mechanism 7 is driven to raise the dispensing chip fitted in the friction engagement portion 2.
４）吸入するサンプルの入つた容器を摩擦係合部２の下
方に位置させる。4) The container containing the sample to be inhaled is positioned below the friction engagement portion 2.
５）摩擦係合部２にはめこんだ分注用チツプを下降さ
せ、吸入するサンプル液中につける。5) The dispensing chip fitted in the friction engagement portion 2 is lowered and put in the sample liquid to be inhaled.
６）プランジヤ駆動機構６を駆動してプランジヤ５を上
昇させてサンプルを吸入する。6) The plunger drive mechanism 6 is driven to raise the plunger 5 and suck the sample.
７）サンプルを吸入した分注用チツプを上昇させる。7) Raise the dispensing tip that inhaled the sample.
８）吸入したサンプルを移す容器を、上記分注用チツプ
の下方に位置させる。8) The container for transferring the inhaled sample is positioned below the dispensing chip.
９）サンプルを吸入した分注用チツプを下降させる。9) Lower the dispensing tip that has inhaled the sample.
10）プランジヤ駆動機構６を駆動してプランジヤを下降
させてサンプルを吐出する。10) The plunger drive mechanism 6 is driven to lower the plunger and eject the sample.
11）分注用チツプを上昇させる。11) Raise the dispensing tip.
12）搬送台9aを移動させて分注用チツプ廃棄孔13を分注
用チツプ１の下方に露出させる。12) The carrier 9a is moved to expose the dispensing chip disposal hole 13 below the dispensing chip 1.
13）プランジヤ駆動機構６を駆動して分注用チツプ押出
部材11を下方に移動させて、分注用チツプ取外し部材12
を押し、分注用チツプ１を取外す。次いてステツプ１）
に戻る。13) The plunger driving mechanism 6 is driven to move the dispensing chip pushing member 11 downward, and the dispensing chip removing member 12
Press to remove the dispensing tip 1. Next step 1)
Return to.
なお、上記実施例では分注用チツプ取外し部材12を介し
て分注用チツプ１を取外したが、他の方法として第３図
に示すように、貫通孔14を通して分注用チツプ押出部材
11で直接分注用チツプ１を取外すことも考えられる。In the above embodiment, the dispensing chip 1 is removed via the dispensing chip removing member 12, but as another method, as shown in FIG. 3, the dispensing chip extruding member is passed through the through hole 14.
It is also conceivable to remove the dispensing tip 1 directly at 11.
以上示したように本発明によれば、プランジヤを駆動す
る機構と分注用チツプを取外す機構を共通に利用できる
ので、機構を簡単化でき装置の小型化を図ることができ
る。As described above, according to the present invention, since the mechanism for driving the plunger and the mechanism for removing the dispensing chip can be used in common, the mechanism can be simplified and the device can be downsized.
第１図は本発明の一実施例による分注装置の構造図、第
２図は本実施例の平面概要図、第３図は他の実施例の部
分図である。 １……分注用チツプ、２……摩擦係合部、６……プラン
ジヤ駆動機構、８……容器、11……分注用チツプ押出部
材、12……分注用チツプ取外し部材。FIG. 1 is a structural view of a dispensing apparatus according to an embodiment of the present invention, FIG. 2 is a schematic plan view of this embodiment, and FIG. 3 is a partial view of another embodiment. 1 ... Dispensing chip, 2 ... Friction engaging part, 6 ... Plunger drive mechanism, 8 ... Container, 11 ... Dispensing chip pushing member, 12 ... Dispensing chip removing member.
Claims (2)
摩擦係合部上部に位置する胴体部、前記摩擦係合部及び
前記胴体部を貫く大気連通孔、前記大気連通孔内を移動
するプランジャ、前記プランジャを移動させるプランジ
ャ駆動機構、前記胴体部を保持して前記摩擦係合部と容
器の上下方向の相対的位置を変化させる駆動機構、上記
全ての駆動機構の動作を制御するコントローラよりな
り、前記分注用チップおよび前記容器が前記摩擦係合部
に対向するように配置される分注装置において、前記プ
ランジャ駆動機構により駆動される前記プランジャと上
端部で接合した分注用チップ押出し部材を設け、前記分
注用チップ押出し部材を下方向に移動させることによっ
て前記摩擦係合部に装着された分注用チップを外すよう
に構成したことを特徴とする分注装置。1. A friction engagement portion for attaching and detaching a dispensing tip, a body portion located above the friction engagement portion, an atmosphere communication hole penetrating the friction engagement portion and the body portion, and an inside of the atmosphere communication hole. Controls the operations of the moving plunger, the plunger driving mechanism for moving the plunger, the driving mechanism for holding the body portion and changing the relative position between the friction engagement portion and the container in the vertical direction, and all the driving mechanisms. In a dispensing device comprising a controller, wherein the dispensing tip and the container are arranged so as to face the friction engagement portion, the dispensing driven by the plunger drive mechanism is joined to the plunger at the upper end. A tip pushing member is provided, and the dispensing tip attached to the friction engagement portion is removed by moving the dispensing tip pushing member downward. And dispensing apparatus.
を保持する部材で支えられた分注用チップ取外し部材を
設け、前記分注用チップ取外し部材は、前記分注用チッ
プが前記摩擦係合部に装着されることにより押し上げら
れ、前記分注用チップ押出し部材で押し下げられること
を特徴とする特許請求の範囲第１項に記載の分注装置。2. A dispensing tip removing member disposed around the body portion and supported by a member for holding the body portion, wherein the dispensing tip removing member is the dispensing tip removing member. The dispensing device according to claim 1, wherein the dispensing device is pushed up by being mounted on the friction engagement portion and is pushed down by the dispensing tip pushing member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60246170A JPH0678971B2 (en) | 1985-11-05 | 1985-11-05 | Dispensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60246170A JPH0678971B2 (en) | 1985-11-05 | 1985-11-05 | Dispensing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62106341A JPS62106341A (en) | 1987-05-16 |
| JPH0678971B2 true JPH0678971B2 (en) | 1994-10-05 |
Family
ID=17144551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60246170A Expired - Lifetime JPH0678971B2 (en) | 1985-11-05 | 1985-11-05 | Dispensing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0678971B2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5564747U (en) * | 1978-10-27 | 1980-05-02 | ||
| JPS59147268A (en) * | 1983-01-21 | 1984-08-23 | ザ パーキン―エルマー コーポレイション | Method and device for automatically moving liquid sample among plurality of vessel |
| JPS59188538A (en) * | 1983-04-08 | 1984-10-25 | Japan Spectroscopic Co | Automatic dispenser |
-
1985
- 1985-11-05 JP JP60246170A patent/JPH0678971B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62106341A (en) | 1987-05-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |