JPH11179181A - Planetary stirring and defoaming mixer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make an economical and widely used cup freely usable by forming a fitting part to push a lower part of a cap in and fix the cap in a lower part of a cup holder which holds a cap to contain an object to be mixed and is rotated by a planetary stirring and defoaming mixer which can revolve on its axis and is rotated around a center axis. SOLUTION: This mixer capable of carrying out stirring and defoaming treatment in a container by turning the container on its axis and rotating around an axis other than its axis is provided with a cup holder for holding a cup. In this case, the lower part of the cup holder 3 is formed into a fitting part 3E to push a lower part of a widely used cup in and fix the lower part. On the other hand, the upper part 3F of the cup holder 3 is made to have a slightly wider diameter than the outer diameter of the cup to enable running fit. In the case that a small cup 1 is used, a detachable adaptor 4 is at first installed and fixed in the cup holder 3 and the small cup 1 is pushed in the fitting part 4G in the inner face of the lower part of the adaptor 4 and on the other hand, the upper part 4H is installed in running fit manner.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mixer that enables stirring and defoaming by simply rotating and orbiting a container without stirring the object to be stirred in the container using a propeller or the like.

[0002]

2. Description of the Related Art A stirring method in which a cup is rotated by a belt, a gear, or another motor while rotating the cup at a certain angle while revolving is known, but why is stirring degassing possible? The detailed theory was not elucidated. Therefore, the lid of the cup was detached during rotation, and an object to be stirred (for example, epoxy resin) spilled from the inside of the cup, and as a result, the belt was broken. Conventionally, it can only be used with a special cup for the mixer used,
If the silver paste or the like filled in the container is to be stirred, it must be transferred to a special cup. An object of the present invention is to provide a planetary stirring and defoaming mixer that can use a general-purpose inexpensive cup by elucidating the principle of stirring and defoaming.

[0003]

As already described in the previous section, the present invention mainly relates to a cup storage structure which enables an inexpensive general-purpose cup to be freely used without using a special cup.

[0004]

First, the principle of the planetary stirring mixer will be briefly described. In this mixer, the cup 1 is inclined with respect to the vertical at about α = 45 ° ± 15 ° as shown in FIG. Have been. The number of revolutions generally called revolution is adjusted to 1000 to 3000 rpm, and the number of revolutions called rotation is adjusted to several hundred to 1000 rpm.

[0005] If the cup 1 is driven only by revolving without rotating, the object A to be stirred is pushed out only by centrifugal force and not stirred, as shown in FIG.

If the cup is driven only by rotation without revolving, the object A in the cup 1 is pushed only around the cup as shown in FIG. 3 and is not stirred.

However, if rotation and revolution are performed simultaneously,
Since the orbital radius R is much larger than the orbital radius r and the revolving speed V is larger than the orbital speed v, f = mv ²
/ R, F = mV ² / R, if R, r, V, v are designed so that F≫f, the contents in the cup are as shown in FIG.
It becomes a state like. This state can be actually observed by conducting an experiment with a plastic material. That is, the fact that only the lower part of the cup 1 and the cup holder 3 is strongly pushed by the centrifugal force of the object A to be stirred.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an embodiment of the present invention.

FIG. 5 shows a general-purpose blow-molded cup 2 with a cap 2 actually used in this study. On the other hand, FIG. 6 shows a cup holder 3 for holding a cup 1,
The lower part of the cup holder 3 is a fitting part 3E, and the lower part of the cup 1 can be press-fitted and fixed. The upper part 3F of the cup holder is slightly larger than the outer diameter of the cup 1 so as to fit the gap. The actual dimensional relationship is as shown in FIGS. As a result of rotating the cup holder in this manner, the cup 1 is smoothly driven without slipping with respect to the cup holder, the agitated object A inside is sufficiently stirred and defoamed, and the cup is deformed or damaged. And could be driven without the cap 2 coming off.

[0010] For the cup holder manufactured as shown in Fig. 6, the cup shown in Fig. 5 is sometimes used. However, when a cup having a different size is used, for example, a small cup is shown in Fig. 7. Attach the detachable adapter 4 to the cup holder first and fix it.
Can be press-fitted into the fitting portion 4G at the lower portion of the inner surface of the adapter 4 and the upper portion 4H can be used with a clearance fit.

The method of pressing depends on whether the material of the cup is flexible or not. In general, the cup holder is made of a steel material having a small bending, but when the cup is made of a flexible material such as plastic, the press-fitting method is the simplest and cheapest. On the other hand, when a metal cup is used, as shown in FIG. 8, a leaf spring 5 is inserted between the cup holder 3 and the cup 1 to hold the lower portion of the cup 1, or the lower portion is fixed with an elastic material such as an O-ring. Is preferred.

A paper cup can be used among general-purpose cups, and an embodiment thereof is shown in FIG. In this case, the lower part of the cup 1 is fixed without any gap by the adapter 4,
Since the paper cup has a low waist and lacks elasticity, the effect of press-fitting is low. Therefore, several portions of the upper portion of the cup are sandwiched between the upper portions of the cup holder with general-purpose clips 6 so as to rotate together with the cup holder when rotating.

[0013]

The present invention has the following effects. (A) Since a general-purpose cup can be used instead of a dedicated cup, the cup can be easily obtained and can be purchased at a low cost. (B) The work is simple because the cup is merely pressed into the fitting portion of the cup holder. (C) Since the lower part of the cup to which the centrifugal force of the material to be stirred is applied most is firmly fixed at the lower part of the cup holder, there is no problem such as deformation or breakage of the cup or detachment of the cap. (D) Even if the dimensions and the material of the cup are changed, it is possible to cope with all kinds of cups by using an adapter or an elastic material.

[Brief description of the drawings]

FIG. 1 is a principle diagram of a stirring method using revolution and rotation.

FIG. 2 is an explanatory diagram of a situation of an object to be stirred in a cup when only a revolution is made;

FIG. 3 is an explanatory diagram of a situation of an object to be stirred in a cup when only rotation is performed;

FIG. 4 is an explanatory diagram of a state of an object to be stirred in a cup when rotation and revolution are simultaneously performed;

FIG. 5 is an external view of a general-purpose cup used in the embodiment.

FIG. 6 is a sectional view of a cup holder used in the embodiment.

FIG. 7 is a cross-sectional view of a working example of the adapter.

FIG. 8 is a sectional view of an embodiment using an elastic material.

FIG. 9 is a sectional view of an embodiment using a paper cup.

[Explanation of symbols]

1 --- cup 5-
-Elastic material 2--Cap 6-
−Clip 3 −−Cup holder A −
-Stirred object 3E-Fitting part at lower part of cup holder 3F-Gap fitting part at upper part of cup holder 4-Adapter 4G-Fitting part at lower part of adapter 4H-Gap fitting part at upper part of adapter

Claims (4)

[Claims] In a planetary agitating and defoaming mixer having a rotation and a revolution, a fitting portion for press-fitting and fixing a lower portion of a cup to a lower portion of a cup holder which holds and rotationally drives a cup for storing an object to be stirred. A planetary stirring and defoaming mixer characterized by having: 2. The planetary stirring and defoaming mixer according to claim 1, wherein the fitting portion of the cup holder is made of an elastic material. 3. The planetary stirring and defoaming mixer according to claim 2, wherein the elastic material is a leaf spring or an O-ring. 4. The planetary stirring and defoaming mixer according to claim 1, wherein the fitting portion of the cup holder comprises a detachable adapter.