JP4881652B2 - Stirring blade and stirring device - Google Patents

Description

  The present invention relates to a stirring blade that stirs an object to be stirred by sliding the blade tip edge against the inner surface of the stirring vessel in the stirring vessel, and a stirring device including the stirring blade.

  As a stirring blade used in a conventional stirring device, for example, there is one described in Japanese Utility Model Publication No. 37-24379. As for the mixing blade (stirring blade) of this stirring device, the tip of the blade is in contact with the inner surface of the stirring vessel as a whole, and slides along the inner surface of the stirring vessel as the stirring device is driven. The object to be stirred in the stirring vessel can be stirred and mixed by this sliding movement.

  However, since the agitated material is agitated and moved while accumulating in front of the agitating blade in the traveling direction, when the agitated material is agitated with the agitating blade while heating, it is accumulated on the front side of the agitating blade due to the influence of heating, etc. A part of the object to be stirred gradually solidifies and grows, and eventually falls off and enters the object to be stirred, thereby affecting the object to be stirred. Alternatively, the object to be solidified or solidified just before solidification may adhere to the wall surface of the stirring container in spite of the scraping effect of the blades.

  Such a situation can also occur when an object to be stirred goes around the side of the stirring blade and adheres to the back side. In addition, since the side of the stirring blade has a part that goes out of the locus of the stirring blade, the object to be stirred that wraps around the side adheres to the non-scraping portion of the vessel wall and is burned by heating. May occur. Furthermore, an object to be stirred may wrap around the upper part of the stirring blade and accumulate on the upper and back surfaces of the blade and stick.

  Further, even when stirring the object to be stirred without heating, there is a problem that a large stirring resistance acts on the stirring blade because the object to be stirred is agitated and moved while being entirely deposited on the front surface of the stirring blade. It was.

Japanese Utility Model Publication No. 37-24379

  The problem to be solved is that a part of the object to be stirred solidifies, grows, and drops with respect to the stirring blade, and is mixed into the object to be stirred, or the object to be stirred that is about to solidify or solidify in this way. It is a point that adheres to the wall surface and a large stirring resistance.

The present invention relates to a stirring blade that stirs an object to be stirred by sliding the blade tip edge against the inner surface of the stirring vessel in order to prevent the object to be stirred from accumulating on the front side of the stirring blade with stirring. The blade tip edge is formed with a penetrating portion penetrating in the front and rear direction of the blade thickness and opened at the blade tip edge. It is characterized by that.

In the present invention, in the stirring blade that stirs the object to be stirred by slidingly moving the blade tip edge against the inner surface of the stirring vessel, the blade blade penetrates through the blade tip edge in the blade thickness direction and is opened at the blade tip edge. Since the penetrating portion is set so that the penetrating direction is inclined in the direction along the blade tip edge, the object to be stirred is inclined in the direction along the blade tip edge of the penetrating portion. Can be moved to the rear side in the direction of travel of the stirring blade, and it is possible to suppress a part of the object to be stirred from solidifying, growing and dropping on the front side, and to reduce the stirring resistance.

  The purpose of suppressing the object to be stirred from accumulating in the advancing direction of the stirring blade with stirring was realized by arranging and forming the through-holes.

  FIG. 1 shows a stirring blade to which Example 1 of the present invention is applied, FIG. 1 is a front view explanatory view, FIG. 2 is a bottom view explanatory view, FIG. 3 is a side view explanatory view, and FIG. Cross-sectional explanatory drawing which shows a bracket, FIG. 5 is a perspective explanatory drawing which shows a use condition same as the above, and FIG.

  In the stirring blade E1 to which the first embodiment of the present invention is applied, the penetrating portion 20 penetrating forward and backward in the blade thickness t direction and opening the blade leading edge 11 is disposed and formed on the blade leading edge 11 of the stirring blade body 10. It is configured.

  More specifically, as shown in FIGS. 1, 5, and 6, the stirring blade body 10 has a predetermined thickness t and is formed in a substantially rectangular shape when viewed from the front. To the blade tip edge 11. The curvature of the curved portion 12 is matched with the curvature of the curved surface of the bottom portion Ka of the stirring vessel K in which the stirring blade E1 is used.

  In the first embodiment, the blade thickness direction end surface 13 of the curved portion 12 from the blade tip edge 11 is inclined with the moving direction of the blade tip edge 11 as an apex as shown in FIG. When the blade leading edge 11 of the stirring blade E1 moves along the inner surface of the stirring container K, the object to be stirred is scooped up by the inclined surface 14 and combined with the through-hole 20 described later. Is prevented from remaining on the inner surface of the stirring vessel K.

  The said penetration part 20 comprises the principal part, and as shown in FIGS. 1-6, it penetrates to the blade | wing tip edge 11 of the stirring blade main body 10 in the blade | wing thickness t direction front and back, and the recessed part which the blade | wing tip edge 11 opens. In this embodiment, the concave portion 21 is inclined with respect to the blade thickness direction with respect to the blade tip edge 11 as shown in FIG. Is formed.

  As described above, the stirring blade E1 having the penetrating portion 20 was attached to the automatic stirring device W provided with stirring means and heating means (not shown), and the ingredients such as custard and straw that were to be stirred were heated and stirred.

  The stirring blade E1 is attached to the bracket B of the stirring shaft S as shown in FIG. This attachment is performed, for example, by passing bolts or pins through the through hole C of the bracket B and the long hole D of the stirring blade E1. With the stirring blade E1 attached, the stirring blade E1 is biased by the spring B1. The stirring blade E1 can be brought into elastic contact with the inner surface of the stirring container K by the urging of the spring B1 through the long hole D.

  With the stirring movement of the stirring blade E1 (in the direction of arrow A in FIG. 2), the food material is scraped off by the original blade tip edge 11 and the inner surface of the stirring container K can be scraped off. And the foodstuff which is going to deposit on the moving direction front side of the stirring blade E1 can escape to the back side of the stirring blade E1 through each penetration part 20, and can suppress deposition on the front side. For this reason, it can suppress that a part of foodstuff takes the cycle called adhesion, solidification, growth, and drop-off with respect to the stirring blade E1, and it becomes possible to suppress mixing into a foodstuff. Furthermore, despite the scraping effect of the blades, it is possible to prevent a phenomenon in which the solidified or solidified object to be stirred adheres to the wall surface of the stirring vessel K.

  On the back side of the stirring blade E1, the food material that has been scraped off by the blade tip edge 11 of the stirring blade E1 and may remain thin, but the food that has moved to the back side through the penetration portion 20 suppresses overheating of the surface of the stirring vessel K. In addition, the moved food material may also flow onto the surface of the remaining food material, and it is possible to suppress scorching on the surface of the stirring vessel K.

  Originally custard is very easy to burn, and it is difficult to heat and stir the custard without burning. However, when the custard is heated and stirred using the stirring blade E1 having the penetrating portion 20, the custard is not accumulated in a large amount in the traveling direction of the stirring blade E1 with the stirring, and the stirring is further performed. The adhesion of the custard to the blade E1 itself was very small compared to the conventional case, and the custard did not burn on the inner surface of the stirring vessel K and the stirring blade E1, and a good custard could be obtained.

  In the above, the heating and stirring using the stirring blade E1 has been described. Even when the stirring target is not heated and stirred, the stirring target is similarly moved in the traveling direction of the stirring blade E1. In addition, it is possible to suppress the adhesion, solidification, growth, and dropout of the object to be stirred to the stirring blade E1 itself, and to significantly reduce the stirring resistance.

  FIG. 7 shows a stirring blade to which Example 2 of the present invention is applied, FIG. 7 is a front view explanatory view, FIG. 8 is the same bottom view explanatory view, and FIG. 9 is a side view explanatory view.

  The stirring blade E2 to which the second embodiment of the present invention is applied has the same basic configuration and effect as the stirring blade E1 to which the first embodiment described above is applied. Therefore, detailed description is omitted, and only different portions are described. .

  In the first embodiment described above, the inclined surface 14 is formed by inclining the moving direction of the blade tip edge 11 from the blade tip edge 11 to the blade thickness t direction end surface 13 as shown in FIG. In Modification 1, as shown in FIG. 9, the inclined surface 14 is not formed on the blade tip edge 11.

  In the stirring blade E2 to which the second embodiment is applied, the food is scraped off by the original blade tip edge 11 along with the stirring movement (in the direction of arrow A in FIG. 8). Since the inclined surface 14 is not formed on 13, the end surface 13 is brought into contact with the inner surface of the stirring vessel K and scraped off by the blade tip edge 11 a in the inclined through portion 20. Therefore, the inner surface of the stirring container K can be sufficiently scraped off. In addition, in this embodiment, depending on the setting of the inclination of the penetrating portion 20, the blade tip edges 11 and 11a can be partially wrapped back and forth in the moving direction of the stirring blade E2, and scraping is also performed from this point. It is possible to perform it sufficiently. However, the inclination of the penetrating part 20 can be set so that the blade tip edges 11 and 11a do not wrap around the moving direction.

  And the foodstuff which is going to accumulate on the moving direction front side of the stirring blade E2 can pass out to the back side of the stirring blade E2 through each penetration part 20, and can suppress accumulation on the front side. For this reason, it can suppress that a part of foodstuff takes the cycle called adhesion, solidification, growth, and drop-off with respect to the stirring blade E1, and it becomes possible to suppress mixing into a foodstuff.

  On the back side of the stirring blade E2, although it may be scraped off by the blade leading edges 11 and 11a of the stirring blade E2, it may remain thin, but the food that has moved to the back side through the penetrating portion 20 is overheated on the surface of the stirring vessel K. In addition, the moved food material may flow into the surface of the food material that remains thin, and it is possible to suppress scorching on the surface of the stirring vessel K.

  Further, when the blade tip edge 11 of the stirring blade E2 is moved along the inner surface of the stirring vessel K, if the blade tip edge 11 of the stirring blade E2 is pressed and moved perpendicularly to the inner surface of the stirring vessel K, substantially, The blade thickness t-direction end surface 13 is inclined with the moving direction of the blade tip edge 11 as an apex, and the object to be stirred is scooped up by the inclined blade thickness t-direction end surface 13 and the blade tip edges 11 and 11a. In combination, it is also possible to suppress the object to be stirred from remaining on the inner surface of the stirring vessel K.

Reference example 1

FIG. 10 shows a stirring blade to which Reference Example 1 of the present invention is applied, FIG. 10 is a front view explanatory view, FIG. 11 is the same bottom view explanatory view, and FIG. 12 is a side view explanatory view.

The stirring blade E3 to which the reference example 1 of the present invention is applied has the same basic configuration and effect as the stirring blade E1 to which the above-described embodiment 1 is applied. Therefore, detailed description is omitted, and only different portions are described. .

It is the through portion 20 in the aforementioned first embodiment as shown in FIG. 2, the blade leading edge 11 of the stirring blade body 10, is provided to be inclined with respect to the thickness t direction front and rear blades, in this Reference Example 1 11 As shown in FIG. 5, the blade tip edge 11 was formed in a straight shape before and after the blade thickness t direction of the blade tip edge 11, that is, with respect to the blade thickness t direction of the blade tip edge 11.

  The stirring blade E1 of FIG. 1 has the penetrating portion 20 formed in an inclined shape, so that even the single stirring blade E1 can scrape the inside of the stirring vessel K as a whole. On the other hand, in the case of the stirring blade E3, if the stirring blade E3 is a single stirring blade E3, the inside of the stirring container K may be scraped off at the portion of the through portion 20. Therefore, in the device in which the stirring blade E3 is stirred and moved in the stirring container K by a simple circular motion, it is preferable to arrange a plurality of the blades so that the through portions 20 of the front and rear stirring blades E3 and the blade tip edge 11 wrap. .

  When the stirring blade E3 has a trajectory such as trochoid and cycloid or a random trajectory, the food scraped by the penetrating part 20 can then be scraped off by the blade tip edge 11, which is a single sheet. A configuration is also possible.

  Even if the penetrating portion 20 is provided so as to be orthogonal to the blade tip edge 11, a cycle in which foods and the like adhere, solidify, grow, and drop off is taken in the same manner as the stirring blade E1 to which the first embodiment is applied. It is difficult to reliably prevent the agitated object from scorching on the front and back of the agitating blade E3 and the inner surface of the agitating container K without being influenced by the properties of the agitated object even if the agitated object is stirred while heating. Can do.

Reference example 2

FIG. 13 shows a stirring blade to which Reference Example 2 of the present invention is applied, FIG. 13 is a front view explanatory view, FIG. 14 is the same bottom view explanatory view, and FIG. 15 is a side view explanatory view.

The agitating blade E4 to which the reference example 2 of the present invention is applied has the same basic configuration and effect as the agitating blade E1 to which the above-described embodiment 1 is applied. Therefore, detailed description is omitted, and only different portions are described. .

In the first embodiment described above, the inclined surface 14 is formed by inclining the moving direction of the blade tip edge 11 from the blade tip edge 11 to the blade thickness t direction end surface 13 as shown in FIG. In Reference Example 2, as shown in FIG. 15, the inclined surface 14 is not formed on the blade tip edge 11. However, when the blade tip edge 11 of the stirring blade E2 is moved along the inner surface of the stirring vessel K, the blade tip edge 11 of the stirring blade E2 is pressed perpendicularly to the inner surface of the stirring vessel K, and not in the A direction but obliquely. The blade thickness t-direction end surface 13 is inclined with the moving direction of the blade tip edge 11 as a vertex, and the inclined blade thickness t-direction end surface 13 and the blade tip edge 11 scrape the entire wall surface. Thus, the object to be stirred can be scooped out and coupled with the penetrating portion 20 to prevent the object to be stirred from remaining on the inner surface of the stirring container K.
[Other usage examples]
An example in which the stirring blade E to which the embodiment of the present invention described above is applied is used in a stirring device W having a different configuration will be briefly described with reference to the drawings.

  FIG. 16 is a front sectional partial sectional explanatory view showing a first example, FIG. 17 is a front sectional partial sectional explanatory view showing a second example, and FIG. 18 is a front sectional partial sectional explanatory view showing a third example. It is.

  First, the stirring device W1 shown as the first example in FIG. 16 is configured in a cylindrical shape having substantially hemispherical end plates 1 and 1 on the left and right, as shown in FIG. The agitation shaft 3 is rotatably supported on the shaft core of the agitator. A plurality of the agitation blades E are attached to the agitation shaft 3 via the arm 4 at intervals, and the agitation vessel is driven by driving the agitation shaft 3. The stirring object accommodated in K1 can be efficiently stirred, and with this stirring, the stirring object can be moved to the rear side in the advancing direction of the stirring blade E through the penetration portion 20, and a part of the stirring object is It is possible to suppress solidification, growth, and dropout on the front side, and to reduce stirring resistance.

  Subsequently, the stirring device W2 shown as the second example in FIG. 17 is configured in a substantially spherical shape as illustrated in the stirring container K2, and the stirring shaft 6 is freely rotatable on the shaft core portion of the spherical portion 5. A plurality of stirring blades E are attached to the agitation shaft 6 via the arm 7 at intervals, and the agitation object accommodated in the agitation vessel K2 is efficiently moved by driving the agitation shaft 6. Stirring can be performed, and the stirring target can be moved to the rear side in the traveling direction of the stirring blade E through the through portion 20 with this stirring, and a part of the stirring target is prevented from solidifying, growing and dropping on the front side. In addition, the stirring resistance can be reduced.

Furthermore, the stirring device W3 shown as the third example in FIG. 18 is configured in a substantially hemispherical shape as illustrated in the drawing of the stirring vessel K3, and a driving device (not shown) disposed above the stirring vessel K3. The stirring blade E is attached to the stirring shaft 8 attached to the agitating shaft 8) via the arm 9, and the stirring object 8 accommodated in the stirring vessel K2 can be efficiently stirred by driving the stirring shaft 8. Accordingly, the agitated material can be moved to the rear side in the advancing direction of the agitating blade E through the penetrating portion 20, and it is possible to suppress a part of the agitated material from solidifying, growing and dropping on the front surface side. Resistance can be reduced.
[Others]
In the said Example, although the foodstuff was mentioned as an example as a to-be-stirred thing, even if it is another to-be-stirred thing, effects, such as reduction of stirring resistance, can be acquired.

It is front view explanatory drawing which shows the stirring blade to which Example 1 of this invention is applied. It is a bottom view explanatory drawing same as the above. (The hatching in the figure does not indicate a cross-section, but to clarify the through-hole.) It is side view explanatory drawing same as the above. It is sectional explanatory drawing which shows the bracket which attaches a stirring blade same as the above. It is a perspective explanatory view showing a use state same as the above. It is a principal part expansion perspective view same as the above. It is front view explanatory drawing which shows the stirring blade to which Example 2 of this invention is applied. It is a bottom view explanatory drawing same as the above. (The hatching in the figure does not indicate a cross-section, but to clarify the through-hole.) It is side view explanatory drawing same as the above. It is front view explanatory drawing which shows the stirring blade to which the reference example 1 of this invention is applied. It is a bottom view explanatory drawing same as the above. (The hatching in the figure does not indicate a cross-section, but to clarify the through-hole.) It is side view explanatory drawing same as the above. It is front view explanatory drawing which shows the stirring blade to which the reference example 2 of this invention is applied. It is a bottom view explanatory drawing same as the above. (The hatching in the figure does not indicate a cross-section, but to clarify the through-hole.) It is side view explanatory drawing same as the above. It is front view partial cross-section explanatory drawing which shows the 1st example using the stirring blade to which the Example of this invention is applied. It is front view partial cross-section explanatory drawing which shows the 2nd example using the stirring blade to which the Example of this invention is applied. It is front view partial cross-section explanatory drawing which shows the 3rd example using the stirring blade to which the Example of this invention is applied.

DESCRIPTION OF SYMBOLS 10 Stirring blade main body 11 Blade tip edge 20 Through part 21 Recessed part t Blade thickness K Stirring container

Claims (3)

In the stirring blade that stirs the object to be stirred while scraping the inner surface of the blade tip and sliding against the inner surface of the stirring vessel,
A penetrating portion that penetrates the blade tip edge in the front and rear direction of the blade thickness and is opened at the blade tip edge is disposed and formed,
The penetrating portion is set such that a penetrating direction is inclined in a direction along the blade tip edge,
A stirring blade characterized by that.   The stirring blade according to claim 1,
  The agitation blade according to claim 1, wherein the penetrating portion is provided at a plurality of locations at intervals along the blade tip edge.   A stirring device comprising the stirring blade according to claim 1 or 2,
  The stirring blade is slidably moved with respect to the inner surface, and includes a stirring container for stirring the object to be stirred.
  A stirrer characterized by that.

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