JPH09248435A - Rotation blade for mixer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rotation blade for a mixer by which kneading of high viscosity material is realized without lowering working efficiency and generating a lump. SOLUTION: A rotation blade 11 for a mixer is equipped with an attachment/ detachment part 2 detachably fixed to the auto-rotation shaft of the mixer and with a blade 13 which is integrally constituted with the attachment detachment part 2 and kneads the high viscosity material held in the inside of a vessel. In the blade 13, a rodlike body is bent to form a plurality of scraping parts 13a, 13b. When one scraping part is moved at time of rotation in the vicinity of the inner wall surface of the vessel, high viscosity material is scraped away from the inner wall surface of a part in the depth direction of the vessel and also the high viscosity material is left to remain on the inner wall surface of other part. When other scraping part is moved in the vicinity of the inner wall surface of the vessel, it scraps away the high viscosity material remaining on the inner wall surface.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to stirring for kneading and kneading highly viscous and highly viscous substances such as clay and resin using a universal mixer equipped with two or more rotating shafts which rotate while revolving. The present invention relates to a rotary blade for a mixer, which is an ingredient.

[0002]

2. Description of the Related Art A conventional rotary blade for a mixer of this type is constructed, for example, as shown in FIGS. The rotary blade 1 for a mixer is composed of an attaching / detaching part 2 and a blade 3 formed integrally with the attaching / detaching part 2. The attachment / detachment portion 2 has a pipe shape and includes a substantially columnar internal space 2a.
The blade 3 is formed into a substantially rectangular shape by bending a rod-shaped body into a two-dimensional plane. The parts located on the left and right of the blade 3 are the scraping parts 3a and 3b. The central axis 4 of the attachment / detachment section 2 serves as the rotation axis of the rotary blade 1 for the mixer.

The mixer 5 has a main body 6 as shown in FIG.
And a container 7, and above the main body 5, the rotary blade 1 for a mixer is attached, and two rotating shafts 8 that rotate while revolving are provided (FIG. 8 shows a side view). It is a state in which the two rotation shafts 8 overlap each other.

Next, a method of kneading a high-viscosity kneaded clay such as clay by using the rotary blade 1 for a mixer in the mixer 5 will be described. The attaching / detaching portion 2 of the rotary blade 1 for the mixer is mounted and fixed in advance on the rotation shaft 8 of the mixer 5. After the powder and the binder are put into the container 7, the container 7 is lifted above the main body 6 and the blade 3 is fixed at a predetermined height inside the container 7. Then, the rotating shaft 8, that is, the rotary blade 1 for the mixer rotates so as to revolve around the inside of the container 7 while rotating, and the powder and the binder are kneaded, and the kneaded material is kneaded and kneaded.

[0005]

However, in kneading and kneading a high-viscosity substance with a universal mixer using the rotary vane for a mixer having such a constitution, when a container is filled with a high-viscosity substance having a certain amount or more, the rotary vane for the mixer is used. The highly viscous material becomes a plurality of lumps due to the periodic motion in the rotation of, and the lumps of each other do not fuse. Therefore, there is a problem in that the components of the highly viscous substance are not uniformized, and the difference in the components causes a variation in quality.

In order to solve this problem, the kneading can be carried out by reducing the filling amount of the high-viscosity material in the container, or by stopping the rotation of the mixer and breaking the lump when lumps are formed. However, there was another problem that the work efficiency was lowered.

The object of the present invention is to solve the above-mentioned problems, and a mixer for realizing kneading and kneading of a highly viscous material without lowering work efficiency and without causing lumps. The purpose is to provide a rotary feather.

[0008]

In order to achieve the above object, a rotary blade for a mixer according to the present invention comprises an attaching / detaching portion detachably fixed to a rotating shaft of a mixer and an integral portion of the attaching / detaching portion. The blade includes a blade for kneading the high-viscosity material contained in the container, the blade has a plurality of scraping portions formed by bending a rod-shaped body, and one scraping portion during rotation is When moving in the vicinity of the inner wall surface of the container, while scraping the high-viscosity material from the inner wall surface of a part in the depth direction of the container, the high-viscosity material is left on the inner wall surface of the other part, When the other scraping part moves near the inner wall surface of the container, it scrapes off the high viscosity substance remaining on the inner wall surface.

Alternatively, the rotary blade for a mixer of the present invention is
A detachable portion that is detachably fixed to the rotation shaft of the mixer, and a blade that is configured integrally with the detachable portion and that is used for kneading a high-viscosity substance housed inside the container, wherein the blade is a rod-shaped body. Is bent to form a substantially rectangular shape that is substantially symmetrical to the rotation axis of the attachment / detachment portion, and a scraping portion that scrapes the high-viscosity substance from the inner wall surface of the container is formed on the left and right sides of the substantially rectangular shape. The scraping portions are located differently from each other in the vertical direction of the substantially rectangular blade.

Further, it is preferable that a part of the substantially rectangular shape of the blade is cut off except for the scraping portion. Further, it is preferable that the rod-shaped body of the blade is bent into a two-dimensional plane. This allows
The high viscosity product can be uniformly kneaded and kneaded without forming a mass.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION One embodiment of a rotary blade for a mixer according to the present invention will be described in detail with reference to FIGS. Rotating blade 11 for the mixer is attached / detached part 2
And a blade 13 integrally formed with the attaching / detaching part 2. The attaching / detaching part 2 is similar to the conventional example shown in FIG.
It has a pipe-like shape and has a substantially cylindrical internal space, like the internal space 2a shown in FIG.

The blade 13 is formed by bending a rod-shaped body into a two-dimensional flat surface to form a substantially rectangular shape. The left and right parts of the substantially rectangular shape scrape off the highly viscous material from the inner wall surface of the container 7.
3a, 13b, and the scraping portion 13a,
13b are located differently from each other in the vertical direction of the substantially rectangular blade 13. That is, as shown in FIG. 1, on the left side of the blade 13, the upper side is recessed toward the rotation center 4 side, and the lower side is positioned outward from the rotation center 4 and the scraping unit 1 is located.
3a. On the other hand, the right side of the blade 13 is located outward from the rotation center 4 to form the scraping portion 13b, which is opposite to the left side, and the lower side is recessed toward the rotation center 4 side.

Like the conventional example, the rotary blade 11 for the mixer is attached to the rotating shaft 8 of the mixer and rotated to knead the kneaded material 14 in the container 7, and as shown in FIG. When the space between the container and the inner wall of the container 7 becomes narrow, the clay 14 is scraped off from the inner wall of the container 7. However, since the blade 13 is recessed below the scraping portion 13b, the kneaded clay 14 is left on the inner wall of the container 7 without being scraped. Further, when the rotary blade 11 for the mixer is rotated by 180 degrees, the scraping portion 13a on the left side of the blade 13 becomes the right side, scraping off the kneaded material 14 below the container 7, and the kneaded material 1 above.
Do not scrape 4.

As described above, the scraping portions 13a, 13b
Alternately scrape off the kneaded clay 14 from the inner wall surface of the container 7, and the dent portion without the scraping portions 13a and 13b removes the kneaded clay 14 from the container 7
The clay 14 does not become a lump because it is left on the inner wall of the. Therefore, by using the rotary blades 11 for the mixer, the kneaded clay 14 can be uniformly kneaded without forming a mass. Although FIG. 2 shows the case where the rotation shaft 8 of the mixer is located on the right side of the container 7, the rotation shaft 8 revolves to move to the left along the inner wall surface of the container 7 in sequence. The kneaded material 14 in the container 7 is kneaded as a whole.

Next, another embodiment of the present invention will be described in detail with reference to FIG. However, the same functional portions as those of the above-mentioned mixer rotary blade 11 are designated by the same reference numerals, and detailed description thereof will be omitted.

In FIG. 3, the rotary blade 21 for the mixer is
Attaching / detaching part 2 and blade 2 configured integrally with the attaching / detaching part 2
It consists of 3. The blade 23 is the blade 1 described above.
As can be understood by comparing with FIG. 3 (FIG. 1), the rod-shaped body is bent into substantially the same shape to form the scraping portions 23a and 23b for scraping the highly viscous material from the container 7, and the scraping portion 23
The left upper portion 23c of the blade 23 is cut off except for a and 23b.

Next, still another embodiment of the present invention will be described in detail with reference to FIGS. However,
The same functional parts as those of the above-mentioned mixer rotary blade 11 are designated by the same reference numerals, and detailed description thereof will be omitted.

In FIG. 4, the rotary blade 31 for the mixer is
Attaching / detaching part 2 and blade 3 configured integrally with the attaching / detaching part 2
It consists of 3. The blade 33 is the blade 1 described above.
As can be understood by comparing with FIG. 3 (FIG. 1), the rod-shaped body is bent into substantially the same shape, and scraping portions 33a and 33b for scraping the highly viscous material from the container 7 are formed.
The lower right portion 33c of the blade 33 is cut off except for a and 33b.

Rotating blades 21 and 31 for the above mixer
Is the rotary shaft 8 of the mixer, like the rotary blade 11 for the mixer.
The kneaded material in the container can be uniformly kneaded by being attached to.

In FIG. 5, the rotary blade 41 for the mixer is
Attaching / detaching part 2 and blade 4 configured integrally with the attaching / detaching part 2
It consists of 3. The blade 43 is the blade 3 described above.
As can be understood by comparing with blade 3 (Fig. 4), blade 4
In order to reinforce the strength of No. 3, a reinforcing portion 43d that connects the scraping portion 33a and the scraping portion 33b is provided. Reinforcement part 43
The configuration excluding d is the same as that of the mixer rotary blade 31 shown in FIG. 4, and thus detailed description thereof will be omitted.

The rotary blades 21, 31, and 41 for the mixer described above are attached to the rotary shaft 8 of the mixer similarly to the rotary blade 11 for the mixer, so that the kneaded clay in the container can be uniformly kneaded.

The shape of the scraping portions 13a, 13b of the rotary blade 11 for the mixer described above has been shown to be substantially linear, but the shape is not limited to this, and the sectional shape of the inner wall surface of the container 7 is not limited to this. To the container 7 as appropriate.
If the cross-sectional shape of the inner wall surface of the is curved, the scraping portion 13
a and 13b are also curved. In addition to this, the same applies to the rotary blades 21, 31, and 41 for the mixer.

Further, in the above-mentioned embodiment, an example of kneading clay-like kneaded clay as a high-viscosity material has been described.
The present invention is not limited to kneaded clay, and can be applied to kneading of all highly viscous materials including resins and the like.

[0024]

As described above, in the rotary blade for a mixer according to the present invention, a plurality of scraping portions are provided, and the amount and timing of scraping the high viscosity substance to be kneaded from the inner wall of the container are shifted from each other. It is possible to prevent the high-viscosity substance from agglomerating, and to uniformly knead and knead the high-viscosity substance.

Further, by cutting off a part of the blade of the rotary blade for the mixer, the resistance of the blade required for the rotation of the rotary blade for the mixer can be reduced. Furthermore, by constructing the rotary blades for the mixer into a two-dimensional flat surface, it is possible to provide scraping parts on both the left and right sides of the rotary shaft, and the rotation resistance of the blades is equal on both the left and right sides, making it smooth Rotate.

[Brief description of drawings]

FIG. 1 is a front view of a rotary blade 11 for a mixer according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a state in which the rotary blade 11 for a mixer shown in FIG. 1 is kneading the kneaded clay 14 in the container 7.

FIG. 3 is a front view of a rotary blade 21 for a mixer according to another embodiment of the present invention.

FIG. 4 is a front view of a rotary blade 31 for a mixer according to still another embodiment of the present invention.

FIG. 5 is a front view of a rotary blade 41 for a mixer according to still another embodiment of the present invention.

FIG. 6 is a front view of a conventional rotary blade 1 for a mixer.

FIG. 7 is a top view of FIG.

FIG. 8 is a side view showing a state in which a conventional rotary blade 1 for a mixer is attached to a mixer 5.

[Explanation of symbols]

 2 Detaching part 4 Rotating shaft 5 Mixer 7 Container 8 Rotating shaft 11 Rotating blade for mixer 13 Blades 13a, 13b Scraping part 14 Kneaded clay

Claims (4)

[Claims] 1. A detachable portion detachably fixed to a rotating shaft of a mixer, and a blade configured integrally with the detachable portion for kneading a high-viscosity substance contained in a container, The blade has a plurality of scraping parts formed by bending a rod-shaped body, and one scraping part during rotation moves in the vicinity of the inner wall surface of the container, and a part in the depth direction of the container. While scraping the high-viscosity material from the inner wall surface of the, the high-viscosity material is left on the inner wall surface of the other part, and when the other scraping part moves near the inner wall surface of the container, A rotary blade for a mixer, which scrapes off the remaining high viscosity material. 2. An attachment / detachment portion detachably fixed to a rotating shaft of a mixer, and a blade configured integrally with the attachment / detachment portion for kneading a high-viscosity substance contained in a container, The blade has a rod-like body that is bent to form a substantially rectangular shape that is substantially symmetrical to the rotation axis of the attachment / detachment section. The rotary blades for mixers are characterized in that the scraping portions are located differently from each other in the vertical direction of the substantially rectangular blade. 3. The rotary blade for a mixer according to claim 1, wherein a part of a substantially rectangular shape of the blade is cut off except for the scraping portion. 4. The rotary blade for a mixer according to claim 1, wherein the blade has a rod-shaped body bent in a two-dimensional plane.