JPS62290424A - Automatic bread maker - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] 3. Detailed Description of the Invention Industrial Application Field The present invention relates to an automatic type bread making machine that can produce freshly baked bread at a desired time by inputting predetermined materials. It is.

Conventional technology When baking bread at home, we generally use equipment such as kneading machines, mashing machines, stretching rods, and ovens, but it is extremely difficult to control temperature and time, and baking bread is difficult regardless of the time of the year. It took considerable skill to make delicious freshly baked nokun. In order to solve these problems, the kneading function 1 shown in Fig.
Bread makers that have a fermentation function and open function housed in a single product, and automatic bread makers that automatically bake bread by setting a timer as shown in FIG. 4, are being considered.

The configuration shown in FIG. 3 has a cooking chamber 2 inside the main body 1, heaters 3 are provided in the upper and lower parts of the cooking chamber 2, and kneading blades 6 that are driven at a reduced speed by a motor 4 are installed in the lower part of the front cooking chamber. , and a kneading container 6 that is detachably attached. After kneading and fermenting the bread ingredients in the kneading container 6, the user takes out the kneading container 6 and performs "degassing" and "shaping" operations. Then, the bread is transferred to a baking mold (not shown) and put into the pre-cooking chamber 2, where it is left open for shaping, fermentation, and baking.

In the device shown in FIG. 4, a frame 8 is provided in a main body 7, a motor 9, a heating tank 12 equipped with a heater 1o and a heat insulating material 11 on the outer periphery are fixed to the frame 8, and a kneading material is placed inside the heating tank 12. A bread baking mold 14 having blades 13 is removably attached and is driven at a reduced speed by a belt 15 and a pulley 16.

Further, a lid 19 having a top plate 17 and steam holes 18 is fitted into the heating tank 12, and covers the heating tank 12 and the bread baking mold 14. 2o is a timer, temperature control, and power adjustment circuit. Further, the temperature sensor 21 is fixed to the outer surface of the heating tank 12. With this configuration, when ingredients are put into the bread baking mold 14 and a timer is set, operation starts at a predetermined time, each process is automated by the timer and temperature control, and bread is baked at a predetermined time.

Problems to be Solved by the Invention In the former case, kneading and fermentation are performed automatically by setting a timer, but after fermentation is completed, the process is taken out of the open air and manually turned on. "without" and "
For example, if you want to eat freshly baked bread in the morning, you have to wake up early in the morning and prepare the bread.

Furthermore, since the former is not a dedicated bread baking machine, it requires unnecessary electricity and also has the problem of the outer surface of the main body becoming hot enough to cause burns.

In the latter case, the bread is baked automatically by adding the ingredients and setting the timer, but since the heater is installed on the outer circumference of the heating tank, the temperature of the side wall of the main body facing the heating tank is low. Along with this, there was a problem that the temperature on the top plate side of the heating tank was low and the top surface of the bread was not browned.

Means for Solving the Problems In order to solve these problems, the present invention installs a heater inside the cooking chamber and also provides a small hole in the cooking chamber above the position where the cooking chamber and the inner lid contact each other. The configuration is as follows.

Function: With the above configuration, hot air generated near the cooking chamber inside the main body during bread baking is dissipated to the outside of the main body, and temperature rises in various devices built into the main body are prevented without the need for any special mechanism.

EXAMPLE Hereinafter, an example of the present invention will be described with reference to FIGS. 1 and 2. In the figure, 3o is a main body, 31 is a chassis provided inside the main body 3o, and a motor 32 is fixed to this chassis 31. A motor cooling fan 33 is fixed to one end of the shaft of the motor 32, a small pulley 34 is fixed to the other end, and power is transmitted to the large pulley 43 via a belt 66. Furthermore, a cooking chamber 36 in which a heater 35 is provided at the inner bottom is fixed to the chassis 31 via a pulley bearing stand 37. This cooking room 3
Inside the baking pan 6, there is a bread baking mold 39 having a removable kneading blade 38 on the inner bottom, and a blade shaft 41 and an upper connector 42 are pivotally supported on a bread mold stand 40 fixed to the bottom of the bread baking mold 39. . Furthermore, the bread baking mold 39 pivotally supports the large pulley 43, pulley shaft 44, and lower connector 46, and is removably fitted into a pulley bearing stand 37 fixed to the chassis 31. Furthermore, an elastically supported temperature sensing portion 46 protrudes from the side surface of the cooking chamber 36 and is pressed against the side surface of the bread baking mold 39 . The upper part of the cooking chamber 36 is still provided with a stepped part 47 having a flat part over the entire circumference.

Further, the upper surface of the cooking chamber 36 has a lid 48 that can be opened and closed.
There is an inner lid 52 that is elastically supported by a mounting shaft 49 protruding from the center of the lower surface, a presser spring 60, and a presser plate 61, and when the lid body 48 is closed, the outer circumferential lower surface of the inner lid 62 is attached to the upper step of the cooking chamber 36. 47 plane.

Further, a plurality of small holes 53 are provided over the entire circumference of the cooking chamber 36 located above the surface where the lower outer circumferential surface of the inner lid 52 and the cooking chamber 36 come into contact. The lid 48 is provided with an opening knob 64 and a latch 55 for opening the lid 48.

In addition, a pin shaft 56 is provided on the small pulley 34 side of the motor shaft at a position slightly eccentric from the motor center, and a reciprocating pump 67 configured to vibrate an elastic membrane and plate made of rubber or the like is attached to the side of the chassis 31. A pump-side bottle shaft 58 is fixed to the top of the elastic membrane and plate, and connected to the pin shaft 56 by a connecting rod 59.

Further, the discharge pipe 6o of the reciprocating pump 57 communicates with a water tank 61 attached to the main body 30, and the water supply pipe 6o
2 communicates with a water supply port 63 which is opened so that water can be sprayed into the bread baking mold 39 in the cooking chamber 36.

Further, 64 is a switch panel for inputting settings such as baking time. In addition, 65 is a motor 32 and a heater 36 based on the input information of the switch panel and the temperature detection section 46.
This is a control device for determining and outputting control conditions such as

Next, the operation of the present invention will be explained.

A bread baking mold 39 and a kneading blade 38 are set in the cooking chamber 36, and ingredients such as flour are introduced. The lid body 48 is closed, a predetermined amount of water is poured into the water tank 61, and the cap (not shown) is closed to seal the water tank 61.

In this state, the baking time of the bread is input from the switch panel 64, and when the predetermined time comes, the motor 32 starts operating and kneading is performed. At this time, the pin shaft 66 eccentrically provided on the motor shaft rotates, and the reciprocating pump 67
By vibrating the air, air is sent out from the discharge pipe 6o. Water is then supplied into the baking mold 39 from the water supply port 63 through the water supply pipe 62 by the pressure of the air pumped into the water tank 61, and is kneaded with ingredients such as wheat flour by the kneading blades 38.

After the kneading is completed, based on the process control of the control device 65, while inputting information from the temperature detection unit 46 and adjusting the temperature of the bread baking mold 39 with the heater 36, each step of next fermentation, degassing, forming fermentation, and baking is performed. The bread will be baked at the set time automatically.

During this baking process, the cooking chamber 36 becomes the hottest,
In some places, the temperature can reach around 300 degrees Celsius. Then, naturally, the temperature inside the main body 3o gradually rises, and the temperature of other parts also rises, which has an adverse effect, so it becomes necessary to release the hot air generated inside the main body 3o. The small hole 63 provided above the contact surface with the inner lid 62 of the cooking chamber 36 functions to release this hot air to the outside, thereby preventing a rise in temperature within the main body. If a small hole is provided below the contact surface between the inner lid 62 and the cooking chamber 36, the hot air in the cooking chamber 36 will flow into the main body, which will have the opposite effect, and the temperature in the cooking chamber 3e will decrease. The color of the bread will also be poor.

Effects of the Invention As described above, according to the present invention, by providing a small hole in the wall surface of the cooking chamber above the substantially closed space consisting of the cooking chamber and the inner lid, the inside of the cooking chamber is hardly affected. This has the effect of preventing a rise in internal temperature. In addition, conventionally, thermal equipment,
In particular, the main body of devices with an open function is typically made of metal due to high temperatures, but the structure of the present invention allows the main body to be constructed from a relatively inexpensive resin material. be.

[Brief explanation of drawings]

Fig. 1 is a perspective view of essential parts of an automatic bread maker according to an embodiment of the present invention, Fig. 2 is a sectional view of the same automatic bread maker, and Figs. 3 and 4 are respectively of a conventional automatic bread maker. FIG. 36... Cooking room, 47... Stepped section, 52
...Inner lid, 53...Small hole. Name of agent: Patent attorney Toshio Nakao and 1 other person36
- Pot vertical 41-e Knee wholesale 52- Inner l, 53-Length Fig. 1 Fig. 2 Fig. 3

Claims (1)

[Claims] A cooking chamber having a heater, a bread baking mold that can be detachably attached to the cooking chamber, a kneading blade rotatably driven by a motor at the inner bottom of the bread baking mold, and a lid body having a small lid that covers the cooking chamber. 1. An automatic bread maker, characterized in that a small hole is provided above the contact surface with the small lid of the cooking chamber.