JPH0779763B2 - Automatic bread machine - Google Patents

Description

Description: FIELD OF THE INVENTION The present invention relates to an automatic bread maker which is used in ordinary households and can make bread by rotating and kneading wheat flour and the like.

Conventional technology Generally, when making bread, equipment such as a kneader, a fermenter, a rolling stick, and an oven are used, but it is very difficult to control the temperature and time, and delicious freshly baked bread It took a great deal of skill to make bread. In order to solve these problems, an automatic bread maker having a configuration in which a kneading function, a fermentation function and an oven function as shown in FIG.

In FIG. 3, a frame 2 is provided inside a main body 1, and a motor 3, a heater 4, and a heating tank 6 equipped with a heat insulating material 5 are fixed to the frame 2, and the heating tank 6 is fixed. A kneading container 8 having a kneading blade 7 is detachably attached in the inside of the kneading blade 6, and a shaft 9 for transmitting a rotational force to the kneading blade 7 is attached to the bottom of the kneading container 8 as shown in FIG. Axis 9
A bearing 15 supporting the shaft and a sealing material 16 for preventing the material in the kneading container 8 from entering the bearing 15 are provided, and the kneading blade 7 is decelerated by the belt 10 and the pulley 11. The upper part of the heating tank 6 is covered with a lid 12, and the temperature sensor 13 is fixed to the outer surface of the heating tank 6. Reference numeral 14 is a timer, a circuit for temperature control, and a circuit for power control. When the ingredients are put into the kneading container 8 with such a configuration and the timer is set, the operation is started at a predetermined time, and each process is automatically performed by the timer and temperature adjustment, and the bread is baked at the predetermined time. .

Problems to be Solved by the Invention When a sealing material 16 as shown in FIG. 4 is used in a conventional configuration in a device that automatically performs kneading, fermentation and baking in the same container, Due to the pressure of the material at the time, the material enters the inside of the sealing material 16 and, in the worst case, the area of the bearing 15, fixing the shaft 9 and the bearing 15, or causing the problem of burning. there were.

Also, if baking is performed in the same container, the bread will stick to the periphery of the sealing material 16 (especially the shaft 9), and if kneading is performed in that state, the baking of the bread due to the movement of the shaft 9 in the thrust direction will occur. There is also a problem that part of the material enters the inside of the sealing material 16.

The present invention has been made in view of such problems, and even when the material enters the inside of the sealing material, the material does not reach the gap between the bearing and the blade shaft supported by the bearing. It is intended to provide an automatic bread maker.

Means for Solving the Problems In order to solve the above-mentioned problems, the present invention is configured so that a kneading container detachably mounted in a cooking chamber and a position above the kneading container and covering the cooking chamber. An openable and closable lid, a blade shaft rotatably supported by a bearing provided at the bottom of the kneading container, a sealing material for sealing the upper portion of the bearing, and a blade mounted on the blade shaft and rotationally driven by a motor. And a vertical wall surface at the bottom of the kneading container, and a hole located between the sealing material and the bearing is provided at the vertical wall surface.

Action According to the above configuration, when the material enters the inside of the sealing material while kneading the material in the kneading container, the material is located between the sealing material and the bearing and is positioned in the vertical direction of the bottom part of the kneading container. Since the material spills from the hole provided on the wall surface to the outside, the vertical pressure that the material located between the bearing and the sealing material tries to enter into the gap between the bearing and the blade shaft is weakened, and as a result, the material is separated from the bearing and the blade. It is possible to reliably prevent reaching the gap with the shaft, and the vertical wall provided at the bottom of the kneading container has a hole located between the sealant and the bearing, so the wall retains the strength to hold the bearing. Does not cause a decrease in

Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. In the figure, 30 is a main body, 31 is a chassis provided in the main body 30, a motor 32 is fixed to the chassis 31, and a motor cooling fan 33 is fixed to one end of a shaft of the motor 32, and A small pulley 34 is fixed to the other end, and a fan guide 35 for improving fan efficiency is fixed to the motor 32 around the cooling fan 33. A large pulley 37 is rotatably supported on the chassis 31 via a bearing 36, and a connector 38 is attached to the shaft end opposite to the large pulley 37, and a small pulley 34 is interposed via a belt 39.
And a large pulley 37 are connected. A switch lever 40 is rotatably supported on the chassis 31 about a shaft 41, and a switch 42 is attached so as to be positioned above one end of the switch lever 40 and a container fixing guide 43 is provided. A baking container 44 and a heat shield plate 45 that covers the periphery of the baking container 44 are fixed. Further, in the baking container 44,
The heater 48 is fixed to the wall surface by the stoppers 47 via the insulator 46, the container fixing spring 49 is further fixed, the elastically supported temperature detecting unit 50 is fixed, and the inside of the baking container 44 is fixed. , A container connector 52 is fixed to one side through a bearing 51 at the bottom, and a kneading container 55 rotatably supporting a blade shaft 54 on which the kneading blade 53 can be detachably mounted is detachably mounted, and the kneading container 55 is fitted and attached to the container fixing guide 43 and the container fixing spring 49.

Furthermore, as shown in FIG. 2, the kneading container 55 is a kneading container 55.
The seal member 75 is fitted on the upper part of the bearing 51 that is inserted into the bottom part of the kneading vessel 55 and supports the blade shaft 54. Is provided with a plurality of holes 76.

The kneading container 55 is configured to come into pressure contact with the temperature detecting unit 50 when mounted in the baking container 44, and has a handle 56 attached to the upper end thereof. The upper part of the baking container 44 is fixed to the fixing member 57, and the upper frame 58 of the main body is further fixed to the fixing member 57. And the main body 30 is an upper frame of the main body
It is fixed to 58 and also to chassis 31.

Further, on the upper surface of the baking container 44, a transmission plate 61 rotatably supported by a drive device 59 and a shaft 60 is provided inside, and a container lid 62 that can be opened and closed and an opening and closing plate 63 that can be opened and closed are fixed to rotate. axis
It is covered with an openable / closable lid body 68 provided with a lid cover 67 to which an inner lid 66 to which a yeast container 65 with 64 attached is fixed is attached. By closing the lid 68, the inner lid 66 and the baking container 44
Is configured to form a cooking chamber 69. Also, 70
Can be cooked, switch panel for input settings such as rising time,
71 determines the control conditions of the motor 32, the heater 48, etc. based on the input information of the switch panel 70 and the input information of the temperature detection unit 50,
It is a control device for outputting.

Next, the operation of this embodiment will be described. First, the firing container
In the 44, the kneading blade 53 is attached, and then the kneading container 55 containing materials other than yeast such as flour and water is set, and the lid
Close 68 and put a certain amount of yeast in the yeast container 65. In this state, start time by inputting the bread completion time from the switch panel 70. Then, when a predetermined time comes, the operation of the motor 32 starts, the small pulley 34 rotates, and the large pulley 37 and the connector 38 rotate via the belt 39. The connector 38 transmits power to the container connector 52 to rotate the kneading blade 53 in the kneading container 55 to knead the material. Further, when a predetermined time comes, the driving device 59 inside the lid 68 is
Is energized, the transmission plate 61 is driven, the rotating shaft 64 is moved, the opening / closing plate 63 is opened, and the yeast contained in the yeast container 65 is charged into the kneading container 55. The yeast introduced into the kneading vessel 55 is kneaded with other materials for a predetermined time, and then, based on the process control of the control device 71, the temperature detection unit.
While inputting 50 information, the temperature of the kneading container 55 is adjusted with the heater 48, and the steps of primary fermentation, degassing, shaping fermentation, and baking are automatically performed, and the bread is baked at the set time. is there.

During the above process, when the material is kneaded, the material may enter the sealing material 75 provided in the kneading container 55. This is because the sealing material 75 is used under severe conditions such as friction due to sliding with the blade shaft 54 during kneading and deterioration due to heat during firing, and therefore wear is likely to occur. Then, the material that has entered from the sealing material 75 spills out through a hole 76 provided in the vertical wall surface provided at the bottom of the kneading container 55.

Without this hole 76, the invading material would be trapped between the seal material 75 and the bearing 51, and this material would be under pressure by the material trying to enter later, eventually leading to the bearing 51 and the vanes. Extend the bearing to the gap between the shaft 54 and the bearing 51
The blade shaft 54 is fixed to the blade shaft 54, but in one embodiment of the present invention, since the hole 76 is provided, the invaded material is
Since the material will be moved out from 76, and as a result, the pressure will not be accumulated, and the material will not extend into the bearing portion. Since the seal material 75 is a rubber-based material, it does not stick even if the material enters, and therefore does not stick even if the seal material 75 deteriorates and the material enters.

EFFECTS OF THE INVENTION According to the present invention as will be apparent from the description of the above embodiments,
Even if the sealing material of the kneading container deteriorates and the material enters, the material is located between the sealing material and the bearing that supports the blade shaft, and the hole is provided in the vertical wall surface provided at the bottom. Since the material escapes to the outside, the pressure that the invading material tries to enter the gap between the bearing and the blade shaft is weakened, and as a result, the bearing and the blade shaft do not stick to each other due to the invasion of the material. The property can be greatly improved, and the holding strength of the bearing is not lowered by providing the hole.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of an automatic bread maker showing an embodiment of the present invention, FIG. 2 is a sectional view of essential parts of the same bread maker, and FIG. 3 is a vertical sectional view of a conventional automatic bread maker. FIG. 4 is a sectional view of an essential part of the bread making machine. 32 …… Motor, 51 …… Bearing, 53 …… Mixing blade, 54 …… Blade shaft, 55 …… Mixing container, 68 …… Lid body, 69 …… Cooking room, 75
…… Sealant, 76 …… hole.

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Hirofumi Nakakura 1006 Kadoma, Kadoma City, Osaka Prefecture, Matsushita Electric Industrial Co., Ltd. (72) Inventor Hiroshi Nonoguchi 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) References JP 62-176417 (JP, A) JP 45-17578 (JP, Y1)

Claims (1)

[Claims] 1. A kneading container detachably mounted in the cooking chamber, an openable / closable lid located above the kneading container and configured to cover the cooking chamber, and a bottom part of the kneading container. A blade shaft pivotally supported by the provided bearing, a seal member for sealing the upper portion of the bearing, and a kneading blade mounted on the blade shaft and driven to rotate by a motor, and having a vertical wall surface at the bottom of the kneading container. The automatic bread machine is provided with a hole located between the sealing material and the bearing in the vertical wall surface.