JPH0346687Y2 - - Google Patents

Description

[Detailed description of the invention] "Industrial application field" This invention involves putting bread ingredients such as flour, water, and baking powder into a bread baking case, and kneading the flour and other ingredients in the bread baking case to form bread dough. , relates to a stirring device for a bread maker that performs primary fermentation and secondary fermentation before baking.

"Prior Art" Conventionally, there was a technology that included a stirring blade for kneading bread ingredients to form clay-like bread dough, and attached the stirring blade to the center of the bottom of an open-top cylindrical case via a rotating shaft. .

"Problems to be Solved by the Invention" The prior art has a problem in that the bread ingredients tend to move around due to the rotation of the stirring blade, and the bread ingredients cannot be kneaded efficiently, so a member that prevents the bread ingredients from moving around. It is necessary to protrude from the inner circumferential surface of the cylindrical case, which poses problems such as the difficulty of simplifying the shape of the cylindrical case and reducing the manufacturing cost by reducing the number of component parts.

``Means for Solving the Problems'' However, the present invention is equipped with stirring blades for kneading bread ingredients to form a clay-like dough, and a rotating shaft is installed in the center of the bottom of the cylindrical case with an opening on the top. In a bread maker to which a stirring blade is attached, the blade is installed within the installation height of the stirring blade in order to provide an anti-rotation space between the blade and the inner peripheral surface of the cylindrical case within the installation height of the stirring blade. The cylindrical case is eccentric to the center of rotation of the cylindrical case.

"Function" Therefore, by forming an anti-rotation space between the inner circumferential surface near the bottom of the cylindrical case and the stirring blade, there is no need to provide a special member for preventing entrainment, and the cylindrical The manufacturing cost can be easily reduced by simplifying the case shape and reducing the number of component parts, and the cylindrical case shape can be made into a perfect circle centered on the axis of the blade even at the installation height of the stirring blade. The baked bread can be formed into a good shape, and the inside of the bread can be baked almost uniformly.

"Embodiments" Hereinafter, embodiments of the present invention will be described in detail based on the drawings. Fig. 1 is a cross-sectional side view of the main part, Fig. 2 is a front view of the whole, and Fig. 3 is a cross-sectional side view. An operation panel 3 for selecting the upward direction is provided at the center of the front of the oven body 2, and handles 4 for carrying are provided on the left and right sides of the oven body 2, respectively, and a dome-shaped lid 5 made of transparent glass is provided. It is installed on the upper part of the baking oven body 2 so as to be openable and closable, and the rear side of the lid 5 is connected and supported via the frame 6 to the fulcrum bracket 7 of the baking oven body 2,
A grip 8 is integrally formed on the forehead frame 6 on the front side of the lid 5.

Each case also includes a cylindrical outer case 9, a bottom case 10 that is fitted and fixed to the lower end of the outer case 9, and a cylindrical inner case 11 with an open top and installed inside the upper half of the outer case 9. 9, 10, and 11 constitute a baking oven body 2, and a display/switch mounting board 12 and an arithmetic circuit board 13 are disposed inside the front surface of the outer case 9.

In addition, the bottom part of the inner case 11 is mounted and fixed on the upper surface of the base 14 which is erected and fixed to the bottom case 10.
A bread baking case 16 is provided, which is a cylindrical case with an opening at the top, in which an annular heat ray radiant heater 15 is fixedly installed on the inner periphery, and bread materials such as flour and baking powder are put therein for kneading, fermentation, and baking. The bottom of the case 16 is removably supported on the bottom of the inner case 11 by locking tongues 17 and 18 that are engaged and released as the baking case 16 rotates, and is coated with a soft resin for kneading bread ingredients such as flour. A stirring blade 19 made of die-cast aluminum is provided at the bottom of the firing case 16.

Further, a bearing plate 21 is clamped and fixed between the inner case 11 and the base 14 via a locking tongue piece 18, and the blade 19 is removably fitted onto the upper end of a rotating shaft 22 which is rotatably supported by the bearing plate 21. At the same time, a stirring motor 24 is attached to the base 14 via a bracket 23, and the rotating shaft 22 and motor 24 are interlocked and connected via timing pulleys 25, 26 and a timing belt 27. A thermistor 28, which is a thermal sensor, is provided at the upper end.

Furthermore, an outside air intake air passage 29 is formed in the bottom case 10, a ventilation fan 31 driven by a rectangular motor 30 is installed inside the air passage 29, and a heating heater 32 is installed on the air exhaust side of the fan 31. A blower duct 33 is fixedly installed on the outer surface of the inner case 11, and the lower end of the duct 33 can be communicated with the air outlet of the air passage 29, and the air from the fan 31 can be directed inside the firing case 16. A guide duct 34 for feeding air into the air is connected to the upper end of the air blowing duct 33 so as to be swingable.

Furthermore, as shown in FIGS. 1, 4 and 5,
Within the installation height H range of the blade 19, the blade 19
The lower inner peripheral surface 16a of the firing case 16 is formed into a perfect circle centered at a position eccentric to the axis of the blade 19.
The lower inner circumferential surface 16a is eccentric with respect to the rotation center of the blade 19, and an anti-rotation space 35 is provided between the blade 19 and the lower inner circumferential surface 16a within the mounting height H of the blade 19. When bread dough is formed by kneading bread ingredients, the frictional resistance between the lower inner circumferential surface 16a and the dough changes during one revolution of the blades 19, and the rotational movement force of the dough changes the bread dough. It is configured to prevent it from moving around with the blade 19.

Further, the upper inner circumferential surface 16b of the bread baking case 16, which is higher than the mounting height H of the blade 19,
It is formed into a perfect circle centered on the axis of the blade 1, and the height L of the perfect circle of the upper inner circumferential surface 16b is set to
It is formed several times larger than the mounting height H of No. 9.

This example is constructed as described above, and bread ingredients such as flour, baking powder, seasonings, butter, and water are introduced in the state shown in Figure 3. Water is poured on the side to prevent the baking powder from getting wet, and the baking time and other settings are set by operating switches on the operation panel 3. Then, the motor 24 rotates the blades 19 to knead the flour, etc. in the baking case 16, and the blower fan 31 sends hot or cold air into the baking case 16 to maintain the temperature inside the case 16 at the fermentation temperature. The internal temperature is detected by the thermistor 28 when baking the bread, and the internal temperature is detected to be higher than the set temperature. When the bread rises and the bread is baked, the heater 15 is turned off based on the thermistor 28 output, and the blower fan 31 sends cold air to cool the baked bread to the same level as the outside temperature, completing bread production. It is something. Then, the baking case 16 is taken out from the inner case 11, the bread is taken out from the baking case 16 with the blades 19 embedded in the bottom of the bread, and the blades 19 are extracted from the bottom of the bread.

"Effects of the Invention" As is clear from the above embodiments, the present invention is equipped with stirring blades 19 for kneading bread ingredients to form a clay-like dough, and has a rotating shaft 22 at the center of the bottom of the cylindrical case 16 with an open top. In the bread maker, in which the stirring blade 19 is attached via the above-mentioned The cylindrical case 16 is made eccentric with respect to the rotation center of the blade 19 within the mounting height H of the stirring blade 19, and the space between the inner circumferential surface 16a near the bottom of the cylindrical case 16 and the stirring blade 19 is By forming the entrainment prevention space 35, there is no need to provide a special member to prevent entrainment.
The shape of the cylindrical case 16 can be simplified and the manufacturing cost can be reduced by reducing the number of component parts. It can be formed into a perfect circle centered on the axis, and has practical effects such as improving the appearance of the baked bread and achieving a substantially uniform baking condition inside the bread.

[Brief explanation of the drawing]

Fig. 1 is a sectional side view of essential parts showing an embodiment of the present invention, Fig. 2 is a front view of the whole, Fig. 3 is a sectional side view of the same, and Fig. 4 is a view taken along line A-A in Fig. 1. , FIG. 5 is a BB view of the same. 16... Bread baking case (cylindrical case), 1
9... Stirring blade, 22... Rotating shaft, 35... Entrainment prevention space, H... Mounting height of stirring blade.

Claims (1)

[Scope of utility model registration request] In a bread maker equipped with a stirring blade for kneading bread ingredients to form a clay-like dough, the stirring blade is installed at the center of the bottom of a cylindrical case with an open top surface via a rotating shaft, the installation height of the stirring blade The cylindrical case is configured to be eccentric with respect to the rotation center of the blade within the installation height of the stirring blade in order to provide a space to prevent co-rotation between the blade and the inner peripheral surface of the cylindrical case. Characteristic bread maker stirring device.