JP2537944B2 - Cooking equipment - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooking device capable of kneading and roasting cooking as a single item and continuous cooking thereof.

2. Description of the Related Art Conventionally, an oven has been used as a roasting device for baking and cooking an object to be cooked, and a kneading machine has been used for kneading and cooking to knead and cook the object to be cooked. However, recently, for example, with regard to bread, an automatic bread baking machine which automatically and continuously performs from kneading to baking has begun to be put on the market. In addition, before that, an oven with a kneading device has been put on the market, in which a container dedicated to kneading is installed in the oven, and after kneading, the container is transferred to another container or a plate for fermentation and baking.

Problems to be Solved by the Invention In the case of the former automatic bread baking machine, it is a dedicated bread machine,
When expanding the variations of so-called bread making such as butter rolls and croissants, it is possible to carry out a part of kneading and fermentation, but in order to bake, an oven with an area that can be baked several on the plate at the same time In the case of the latter oven with a kneading device, whether it is bread or other bread, it has to be transferred to a baking container at the stage when a part of fermentation is completed. It was time-consuming, and not only was it easy to make mistakes when making bread frequently, but it was also inconvenient because I couldn't eat bread because I just baked it in the morning using a timer. Therefore, by adding a kneading function / container to the oven, and making this container into the shape of a bread that is frequently used, such as a loaf of bread, you can automatically create the bread you always need, and bake variations of the bread. Sometimes it is necessary to put it on the oven, but it is enjoyable enough. Kneading work, which was very troublesome in the past, can be done automatically, and for bread, it can be fully automated until baking, just by adding an oven dedicated container, it is possible to use a dedicated kneading machine / automatic bread baking machine / electric oven Three
It realizes a cooker that combines two cooking machines into one and is extremely space-saving and cost-saving. Needless to say, when combined with an oven microwave oven or toaster oven, an excellent cooker with a higher degree of integration can be realized.

This special container for kneading and baking is about 1-2 loaves as standard from the consumption of bread in ordinary households, and it can be seen that automatic bread-baking machines are sold at 1 and 1.5 loaves. I understand.

When this special container is installed in the approximate center of the cooking chamber for baking and baking, the cooking chamber opening side, that is, the surface of the door having the see-through window, is different from the other five surfaces that are metal and surface-treated on the metal. The brown color of the cooked food is weak.

The reason for this is that the heat-resistant glass forming the inside of the see-through window in the cooking chamber has a good infrared absorption characteristic unlike other metal surfaces and therefore hardly reflects infrared rays, causing heat unevenness on the surface of the dedicated container. This is an extremely difficult problem to improve even if the position and shape of the heater, which is the heating means provided in the cooking chamber, is devised. For example, when considering a combination with a microwave oven that is frequently used in daily life, the better it is to see through the cooking chamber, and the larger the transparent window, the better.

Means for Solving the Problems The present invention is, in order to solve the above problems, a cooking device having an oven function and capable of kneading and baking with an attached container, and the container has a door when installed in a cooking chamber. The present invention relates to a cooking device in which a heat insulating member is provided on the side. Further, the heat insulating member relates to a cooking apparatus constituted by a surface material having a higher infrared reflectance than heat resistant glass.

Action When a dedicated container is installed in the approximate center of the cooking chamber, a heat insulating member is provided at a position facing the transparent window of the door of the cooking chamber, so that the temperature distribution on the surface of the container is inherently weak during baking and heating. Since the door surface can be reinforced with a heat insulating member, it is possible to make it uniform by devising the shape of the heater that is the heating means, so it is possible to create a cooked product that looks evenly and tastes good. .

In particular, the effect is further enhanced by making the surface material of the heat insulating member have a good infrared reflection property.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a sectional view of a central portion of a cooking chamber of a heating cooker according to the present invention. A door 3 is provided at an opening 2 in a front surface of a cooking chamber 1 for heating food to be opened and closed in order to put the food in and out. 3a is a see-through window, and heat-resistant transparent glass 3b is provided inside the cooking chamber. Cooking room 1
Sheet heaters 6 and 7 are provided in close contact with the outer surfaces of the ceiling wall 4 and the bottom surface 5 of the heating chamber, respectively, and heat insulating materials 8 and 9 provided mainly for the purpose of improving thermal efficiency cover the heaters. The main body includes an exterior plate 10, a bottom plate 11, a bottom plate cover 12 that covers a part of the exterior plate 10, and a back plate 13.

FIG. 2 is a central sectional view of the cooking chamber of the cooker according to the embodiment of the present invention in which the microwave oven has a kneading function, and the operation at the time of kneading will be described. The microwave is radiated from the oscillation tube 14 and guided into the cooking chamber 1 through the side wall opening 15 of the cooking chamber. At the center of the cooking chamber 1, a kneading / baking container 16 containing a kneading material (not shown) is placed via a leg portion 17 provided at the bottom thereof. Inside the container 16, a blade 18 for kneading materials is rotatably and detachably provided. A belt 22 is hung on a small pulley 21 attached to the tip of an output shaft 20 of a motor 19 which is a rotary drive source, and a large pulley 23 is similarly attached to one of them. In this way, the rotation reduced by the ratio of the outer diameters of the pulleys 21 and 23 is transmitted to the transmission shaft 24 mounted integrally with the large pulley 23. On the bearing provided on the mounting plate 25 26
And a transmission shaft pivotally supported by a bearing lower 28 provided on the mounting plate lower 27
A driving gear 29 provided integrally with 24 transmits power to the driven gear 30 and further to the main shaft 31. Main shaft 31 is main shaft bearing 32
And a driving rotation connecting body 34 is fixedly mounted on the upper part of the cooking chamber central plate 33, and is engaged with a driven rotation connecting body 35 which is integrally formed with the rotation shaft of the kneading / baking container 16. The rotating shaft is rotatably supported by a bearing 36 and mounted on the container 16. In this way, the rotation of the motor 19 is decelerated by the pulleys, belts, gears, etc. and transmitted to the blades 18. At this time, if the motor 19 is compact and has a low number of revolutions, and it has a configuration that can be arbitrarily changed,
It seems that the transmission mechanism can be further simplified.

In FIG. 1, a door 3 that can be opened and closed is attached to the opening 2 of the cooking chamber 1. Reference numeral 3a is a fulcrum of opening and closing, 3b is a see-through window, and 3c is heat-resistant transparent glass that covers the see-through window in the cooking chamber. Glass 3c is usually
A thickness of 3 mm or more is desirable to secure thermal and mechanical strength, and as a result, the heat capacity is large. The dedicated container 16 is installed in the heating chamber 1, the food 39 is cooked, and heated by the heaters 6 and 7. The upper and lower cooking chamber walls 4 and 5 are heated, and gradually the cooking chamber 1
The temperature rises inside. At this time, the temperature rise in the cooking chamber 1 is
It is known that the speed greatly changes depending on whether the infrared reflection efficiency of the right, left, front and rear walls is good or bad. It is assumed that it takes about 10 minutes for the central part of the heating chamber to reach 250 ° C. when the four surfaces are made of metal cloth, for example, stainless steel with a normal surface roughness .
If the same experiment is carried out this time with the same heater power consumption and the glass is attached only to the front surface, it takes about 13 minutes, which is about 30% slower. As the data to support this, looking at the surface temperature at the same position of the glass surface and the stainless steel surface when the temperature reaches 250 ° C, the glass surface is 240 to 250 ° C,
In the case of stainless steel, the temperature is 170 ° C or lower and the temperature is low. This is due to the high infrared absorption characteristics of glass, which absorbs infrared rays emitted from a heat source with almost no reflection and self-heats. From this, in FIG.
Infrared radiation is weak near the glass surface 3c in the cooking chamber 1
It is difficult to obtain infrared radiation effectively on the glass 3c side of 16.
The ambient temperature is also kept low. Figure 3 (a),
(B), (c) is the front view, right side view, and top view of the container devised as a countermeasure against the phenomenon demonstrated above.
A heat insulating member 43 is attached to the container 16 to cover the surface facing the door when installed in the cooking chamber. The container 16 is fixed by a plurality of mounting legs 49a and 49b. The mounting legs 49a and 49b do not radiate the heat of the container 16,
It is designed with a shape that suppresses thin heat conduction. In addition, an opening 50 is formed on the upper and lower surfaces including the mounting legs 49a and 49b.
a and 50b are provided. By this, upper and lower,
The effect of introducing hot air from the side between the container 16 and the heat insulating member 43 is expanded, and the effectiveness of the heat insulating member 43 is further increased.

FIG. 4 shows an embodiment in which a more effective function is added by changing the shape of the heat insulating member 43.
FIG. 4 (a) shows holes 51a and 51b, which are large enough for the fingers to be inserted in a state in which protective gloves are used, in consideration of handling at high temperature, near the center line 52 of the container 16 in the drawing. It was installed in. FIG. 4 (b) shows a part of the heat insulating member 43 having a width W ₁ that can be grasped by hand. Fourth
In FIG. 6C, the width W ₂ of the heat insulating member 43 is configured so that it can be grasped by hand as a whole. The heat insulating member 43 is
The heat insulating effect is greater when a material having a low thermal conductivity such as stainless steel or resin is selected, rather than a material having a high thermal conductivity such as aluminum or iron.

It is easily conceivable to provide an operating section for the heat insulating member 43 in order to reliably attach and detach the main body and the container 16. This embodiment is shown in FIG.

In FIG. 5, the cook 39 is baked and the cooker door 3 is shown.
It shows that the user 37 is opening and the protective gloves 38 are put on and the container 16 is about to be taken out of the cooking chamber. now,
The legs 17 of the container 16 are locking portions provided on the central plate 33 of the bottom of the cooking chamber.
It is fitted and fixed to 40. Through hole 41 provided in locking portion 40 and corresponding through hole provided in leg 17 of container 16
The lower tip 45 of a lever 44 that forms a part of the heat insulating member 43 fixedly attached to the container 16 is inserted into the container 42.
The lever 44 is rotatably held at a fulcrum 46 provided on the heat insulating member 43 above. The lever 44 is biased counterclockwise by a leaf spring 47 about a fulcrum 46. Lever 44
Penetrates a guide groove 48 provided in the heat insulating member 43 and slides in the heat insulating member 43 along the groove. When the user 37 grips the heat insulating member 43 and grasps the lever 44, the tip 45 of the lever 44 is disengaged from the hole 42 of the leg and the hole 41 of the locking portion 40. In this state, by raising the heat insulating member 43 upward and then pulling it toward you, the container 16 can be easily and safely removed from the cooking chamber.

Even when the container 16 is installed in the heating chamber 1, it is only necessary to carry out the reverse operation, and this can be easily done. Lever 44 of heat insulating member 43
It can be fixed by putting the leg 17 into the locking portion 40 while grasping and releasing the hand.

EFFECTS OF THE INVENTION According to the present invention, various excellent effects described below can be achieved.

(1) Even if the heat in the cooking chamber easily leaks from the transparent window of the door that is openable and closable in the opening of the cooking chamber, the heat of the container is not exposed to the surface of the kneading and baking container facing the door. Since the heat-insulating member that is hard to take and has a strong heat-insulating effect is provided, it becomes possible to bake the cooked product uniformly and it is possible to satisfy the performance as a cooker.

(2) If, for example, glass constitutes the interior wall of the cooking window of the see-through window, it has very good infrared absorption characteristics, so at least the surface material of the heat insulating member provided integrally with the container between the container body and the glass. If it is made of glass having a better infrared reflectance than glass, the heat radiation on the door surface of the container can be further improved.

(3) Because the shape of the heat insulating member is devised so that it can be grasped with one hand, a hole for inserting a finger is provided, or the width is set to the minimum, it is possible to have a hand function. Is very convenient. It is extremely easy to handle when attaching to and detaching from inside and outside the cooking room, or when cleaning or storing after use.

(4) Since it can be handled as a container handle, it is installed near the door provided at the opening of the cooking chamber, so even if the door is opened and the temperature is high even after the completion of baking cooking, the cool air outside can be used. As a result, the vicinity of the door is cooled rapidly, so that it is not necessary to put hands in the vicinity of the center of the cooking chamber, which is getting hot, and naturally the temperature of the hand part is also lowered, so the safety is further enhanced.

(5) When the container is formed by processing a thin plate, it is reinforced by attaching a heat insulating member, and it is robust and has high durability, and realizes a cooker with a long life.

[Brief description of drawings]

FIG. 1 and FIG. 2 are sectional views showing a container mounting state of a cooking apparatus according to an embodiment of the present invention, respectively, and FIG.
(C) is a front view, side view and plan view of one embodiment of the container, FIGS. 4 (a) to (c) are front views of other embodiments of the container according to the present invention, and FIG. It is sectional drawing which shows the container attachment / detachment state of the cooking apparatus by this invention. 1 ... Cooking room, 2 ... Cooking room opening, 3 ... Door, 3c
Protective screen, 6,7 ... Heating element, 16 ... Vessel for kneading and baking, 18 ... Blade, 19 ... Driving source, 24, 31 ...
Shafts, 34, 35 ... Rotating couplings, 43 ... Insulation members, 44 ... Operating parts.

Front page continuation (72) Inventor Masaharu Tsujimoto 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Takashi Asahina 1006 Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd. 56) References JP-A-62-148627 (JP, A) JP-A-52-129038 (JP, A) JP-A-1-34314 (JP, A)

Claims (3)

(57) [Claims] 1. A cooking chamber, a door openably and closably provided in an opening of the cooking chamber, a see-through window in the door, heating means for heating an object to be cooked in the cooking chamber, and the cooking chamber. A container for kneading and heating, which can be freely put in and taken out, a shaft rotatably provided in the lower portion of the cooking chamber, a motor which is a rotational driving source of the shaft, and the rotation of the shaft in conjunction with the shaft. A cooking device comprising: a blade for kneading an object to be cooked contained in the container, wherein the container is provided with a heat insulating unit facing the door side when installed in the cooking chamber. 2. The cooking apparatus according to claim 1, wherein the infrared reflectance of the material of the surface of the heat insulating means of the container is higher than the material of the surface of the door of the cooking chamber. 3. The cooking apparatus according to claim 1, wherein the heat insulating means is provided with a container holding means.