JPS60132633A - Metering and solution-preparing apparatus - Google Patents

Abstract

PURPOSE:To rapidly and accurately perform metering and solution-preparing work with high reliability, by precisely metering a roughly charged powdery stock material and directly disolving the same in a liquid or preparing a solution before diluting the same. CONSTITUTION:A powdery stock material is charged one at a time by manual operation using a metering spoon 1 while a weighed beaker 2-2 is transferred to a liquid injecting position by rotating a turntable and a definite amount of liquids are supplied from a quantitative liquid supply devices 10-1-3 to dissolved or disperse the powdery stock material by a magnetic stirrer 9 and a stirrer 3-2. In addition, a necessary amount of a calculated liquid is poured into a roughly preparing beaker 2-5 at the pouring port of a quantitative pump 11 to adjust the solution to a predetermined concn. By this method, artificial work is reduced to a large extent and metering and solution-preparing work with high reliability is performed.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention involves separating powder raw materials and dissolving or dispersing them in a liquid,
This invention relates to an apparatus for preparing a solution or dispersion liquid at a predetermined degree of a.

Various devices such as screw feeders, table feeders, and vibrating feeders are used as powder quantitative fractionation devices. However, depending on the type of powder, these feeders may be difficult to collect quantitatively or may become clogged.
However, there is no device that can quantitatively dispense all kinds of powders with sufficient precision without clogging. In particular, there are almost no small-volume fractionation devices for laboratory use that have been put to practical use.

For this reason, especially in the laboratory, the work of separating powder in a fixed manner and preparing a solution or dispersion of a predetermined concentration is completely artificial.
This has to be done manually, resulting in problems such as low reliability due to individual differences among workers and operational errors, and a long time required for the work.

The present invention has been made to solve the above-mentioned problems, and relates to a weighing device and a liquid injection device capable of precise quantitative injection, which eliminates the drawbacks of fixed powder separation devices.

That is, the present invention provides an apparatus for preparing a solution or dispersion of a predetermined concentration by separating a powder raw material and dissolving or dispersing it in a liquid.

This is a weighing/liquid preparation device characterized by being equipped with a mechanism consisting of (1) and (2), or (2), (2), (2), (2), and (2).

■ A mechanism that roughly separates powder raw materials ■ A mechanism that precisely weighs the separated powder with the required accuracy ■ A mechanism that calculates the required amount of liquid from the weighed yield of powder ■ In the above ■ A mechanism that precisely injects the calculated required amount of liquid with the required precision ■ A mechanism that adds a predetermined amount of liquid to the powder precisely weighed in (■) above to form a solution or dispersion ■ (■ above) A mechanism that calculates the concentration of the solution or dispersion prepared in step 1, and calculates the yield of this solution and the required airflow of the diluting liquid. Embodiments of the present invention will be described below with reference to the drawings.Mechanism for finely dividing and diluting according to the required flow.

Fig. 1 is a diagram showing a device that facilitates the mechanisms of ■, ■, ■, (81 and
, 7 is a diagram partially showing the mechanism of ■, ■, ■, and ■ instead of ■.

In the apparatus shown in FIG. 1, a powder raw material is separated by manual operation using a measuring spoon (spatilla) 1. spa flyer 1
Alternatively, a needle spoon, measuring cup, etc. can also be used.

In FIG. 1, a coarse liquid beaker transfer turntable 7 is driven by turntable drive motors 8 and 21.
and a magnetic stirrer 3-1.・・・・・・
...8-6.19-1.・・・・・・・・・19-
6 pieces of coarse liquid mixture 2-1.・・・・・・・・・2-
6 and liquid preparation power 18-1.・・・・・・・・・18
-6 is set in advance.

The coarse liquid preparation be-force 2-1 located at the powder material dispensing position is driven by the air cylinder 5, and the be-force 2-2, which has completed the weighing, is moved by the rotation of the turntable. Transferred to the liquid injection position, the steady liquid supply device 10-1.10-2
．． 10-8 or a combination of these, a certain amount of liquid is supplied to the magnetic stirrer 9-
The powder raw material is dissolved or dispersed by the stirrer 1 and the stirrer 3-2.

A solution or dispersion having a predetermined concentration is prepared by injecting the calculated required amount of liquid into the rough liquid preparation force 2-5 that has been transferred to the position of the injection port of the metering pump 11. During this time, if necessary, the coarse liquid beaker is heated using a magnetic stirrer 9-2. ...
...9-5 and stirrer 8-3.・・・・・・
...3-6 is stirring. In this case, the liquid preparation is completed up to this point.

However, in the above, the metering pump 11 is not necessarily necessary.

Next, the coarse liquid preparation in the coarse liquid bead force 2-6 is controlled by the pulse motor 13.
A predetermined amount of liquid is dispensed into the liquid preparation bead 18-1 by the liquid dispensing syringe 12 driven by the liquid dispensing syringe 12. If necessary, after dispensing the liquid from another coarse liquid preparation unit into the liquid preparation unit 18-1, the liquid in the liquid tank 16 for b cleaning and fil'I dilution is dispensed as necessary. Here, the liquid tanks for washing and dilution may be provided separately. The inside of the liquid preparation bead 18-1 is stirred by the magnetic stirrer 9-6 and the stirrer 19-1 to form a uniform solution or dispersion of a predetermined amount.

Here, the operations of washing, dilution, and liquid replacement are performed as follows. The liquid collection syringe 12 is moved up and down by the syringe up/down air cylinder 15, and in the raised state is rotated by the syringe rotation motor 14, so that the liquid collection syringe's dispensing nozzle 12a is moved into the cleaning and dilution liquid tank 16. When the injection nozzle 12b is at the position of the drain tank 17, the liquid collection syringe 12, the fractionation nozzle 12a, and the injection nozzle 12b are cleaned.

When the separation nozzle 12a is at the position of the washing and diluting liquid tank 16 and the injection nozzle 12b is at the position of the liquid preparation bee force 18-1, the solution or dispersion in the training bee crab 8-1 is diluted.

In addition, when the preparative nozzle 12a is at the coarse liquid preparation force 2-6 position,
When the injection nozzle 12b is located at the drain tank 17,
The liquid collection syringe 12, the preparative nozzle 12a, and the injection nozzle 12+) are replaced with a roughly prepared solution or dispersion.

For example, when dispensing multiple coarse preparations into a beaker multiple times from multiple coarse preparations, the first coarse preparation should be dispensed from 1 to 1.
After spraying several times, clean the preparative nozzle and injection nozzle. Next, the solution in the preparative nozzle and the injection nozzle is replaced with the next coarse preparation, and then the solution is dispensed into the preparation beaker.

Repeat this operation. Finally, perform dilution to obtain a constant liquid volume or concentration. In this way, accurate liquid preparation can be performed.

FIG. 2 is a diagram showing an example of the preparation of a rough preparation consisting of the mechanisms ①, ②, ②, and ②.

In the second factor, the powder raw material hinges 3-1, 3-3, which are required in advance on the powder raw material conveying turntable 1, are
A magnetic Stark stirrer 9-1 is placed on the liquid preparation beaker turntable 11.・・・・・・・・・9-
WJFa liquid beaker containing 6 8-1.・・・－・・・・・・
・Set 8-6 each.

The cut gate 4-3 of the liquid raw material hinge 3-3, which has come to the separation position due to the rotation of the turntable drive motor 2, is converted to the output shaft for linear movement of the cut gate drive/sol smoke. The cut gate 4-3 is opened and closed by the Pulsmo Lori 5, and the powder raw material is separated.

The coarse liquid beaker 8-1, which has come to the collection position due to the rotation of the turntable drive motor 12, is lifted off the turntable 11 by the lifting of the balance 6 driven by the air cylinder 7, and the collected powder is collected. When this becomes possible, a fixed amount of the liquid is first injected by the metering pump 13 into the coarse liquid preparation unit 8-2 which is at the liquid injection position. The injected liquid is stirred by a stirrer 9-2 driven by a magnetic stirrer 10-1 to dissolve or disperse the separated powder raw material. Bee force 8 in the next position
-3 also magnetic stark 10-2 and stirrer 9-
The homogeneous solution or dispersion stirred by step 8 is prepared as a rough preparation.

The crude solution thus obtained is dispensed and diluted by a separation mechanism as shown in FIG. 1 to prepare a predetermined solution.

In both the apparatuses shown in FIGS. 1 and 2, the operation of each part is controlled by a computer, and the liquid injection and shaking and the fractional air flow of the roughly prepared solution or dispersion liquid are calculated by four calculations.

Parameters such as the type of solution or dispersion, concentration, and amount required can be entered manually using a computer keyboard. In addition, weighing takes are automatically input into the computer using a 9-meter scale device, which greatly reduces manual work and eliminates individual differences in moss and operational errors, making it highly reliable. Can perform liquid work quickly and accurately. In particular, the apparatus of the present invention is useful when preparing a large number of liquid preparations with different composition ratios and different concentrations from one or several powder raw materials (
This is useful, for example, when preparing a large number of dye solutions when performing a large number of compounding runs using several dyes).

[Brief explanation of drawings]

Fig. 1 shows a device having the mechanisms (ri, ■, ■, ■, and ■), and Fig. 2 shows a device having the mechanisms (■, ■, ■, and ■).・・・・・・・・・Spa flyer, 2-
1.2-2.・・・・・・・・・2-6・・・・・・・・・
・Beaker for coarse preparation, 8-1, 8-2,...
...8-6.19-1.19-2.・・・・・・・・・
・19-6... Magnetic stirrer, 4... Balance, 5...
・Air cylinder for vertically driving the balance table, 7...
・Turnty full for transferring crude liquid to beaker, 8.21...
...Turn-cheap drive motor, 9-1.
9-2. ......9-6...Magnetic stirrer, 10-1, to-2, 10-
8・・・・・・・Quantitative liquid feeder, 11・・・・・・・
- Metering pump, 12...Syringe for liquid separation,
12a......Preparation nozzle, 12b...
...Injection nozzle, 13...Pulse motor for driving syringe, 14...Motor for rotating syringe, 15...For upper and lower syringe Air cylinder, 16... Liquid tank for cleaning and dilution, 17... Drain tank, 18-1, 18-
2 ,・・・・・・・・・18-6・・・・・・・・・
Mj liquid bivy, 20......W4 liquid beaker transfer turntable is shown. In Fig. 2, 1-... Turntable for transferring powder raw material bin, 2... Turntable driving motor, 8-1.8-2.8-8.・・・・・・
・Powder raw material bin, 4... Cut gate for separating powder raw material, 5... Pulse motor for driving the cut gate, 6... ... Balance, 7...
・・・・・・Air cylinder for automatic operation on balance stand, 8-1.
8-2゜・・・・・・8-6・・・・・・・・・Preparation beaker, 9-1゜9-2.・・・・・・・・・9-
6...Magnetic stirrer, 1
0-1.10-2...Magnetic stirrer, 11...Turntable for coarse liquid beaker, 12...Turntable drive motor, 18......Air travel pump for liquid supply.

Claims (1)

[Claims] An apparatus for preparing a solution or dispersion having a predetermined concentration by separating a powder raw material and dissolving or dispersing it in a liquid, comprising: ■, ■, ■,
A weighing liquid preparation device characterized by being equipped with a mechanism consisting of ■ and ■, or ■, ■, ■, ■, and ■. ■ Mechanism that roughly separates the powder raw material ■ Mechanism that precisely weighs the fractionated powder with the required accuracy ■ Mechanism that calculates the required amount of liquid from the preparative air flow of the weighed powder ■ Above ■ A mechanism that precisely injects the required amount of liquid calculated in the required accuracy ■ A mechanism that adds a predetermined amount of liquid to the powder precisely weighed in the above ■ to form a solution or dispersion ■ Above ■Mechanism that calculates the concentration of the solution or dispersion prepared in step ■, and the necessary amount of liquid for separating and diluting this liquid ■One or more of the solutions or dispersions prepared in step ■ or ■ above A mechanism that precisely dispenses and dilutes according to the required amount.