WO2012008263A1 - Machine à pain automatique - Google Patents

Machine à pain automatique Download PDF

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Publication number
WO2012008263A1
WO2012008263A1 PCT/JP2011/063781 JP2011063781W WO2012008263A1 WO 2012008263 A1 WO2012008263 A1 WO 2012008263A1 JP 2011063781 W JP2011063781 W JP 2011063781W WO 2012008263 A1 WO2012008263 A1 WO 2012008263A1
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WO
WIPO (PCT)
Prior art keywords
blade
bread
cover
kneading
cutting
Prior art date
Application number
PCT/JP2011/063781
Other languages
English (en)
Japanese (ja)
Inventor
廉幸 伊藤
英史 野村
也寸志 曽根
Original Assignee
三洋電機株式会社
三洋電機コンシューマエレクトロニクス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2010157809A external-priority patent/JP2012019818A/ja
Priority claimed from JP2010236954A external-priority patent/JP2012085927A/ja
Application filed by 三洋電機株式会社, 三洋電機コンシューマエレクトロニクス株式会社 filed Critical 三洋電機株式会社
Priority to CN2011800343913A priority Critical patent/CN102984978A/zh
Publication of WO2012008263A1 publication Critical patent/WO2012008263A1/fr

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    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
    • A21B7/00—Baking plants
    • A21B7/005—Baking plants in combination with mixing or kneading devices

Definitions

  • the present invention relates to an automatic bread maker mainly used in general households.
  • an automatic bread maker for home use generally has a mechanism for producing bread by directly using a bread container into which bread ingredients are placed (see, for example, Patent Document 1).
  • a bread container in which bread ingredients are placed is placed in a baking chamber in the main body.
  • the bread raw material in a bread container is kneaded into bread dough with the kneading blade provided in a bread container (kneading process).
  • a fermentation process for fermenting the kneaded bread dough is performed, and the bread container is used as a baking mold to bake the bread (baking process).
  • this bread manufacturing method first, cereal grains and liquid are mixed, and the crushed blade is rotated in this mixture to pulverize the cereal grains (grinding step). And the bread raw material containing the paste-form ground powder obtained through the grinding process is kneaded into bread dough using a kneading blade (kneading process). Thereafter, a fermentation process for fermenting the kneaded bread dough is performed, followed by a baking process for baking the bread.
  • an automatic bread maker equipped with a new mechanism capable of executing the above-described method for producing bread using the grain as a starting material.
  • the applicants have a configuration capable of performing the above-described crushing process to baking process in a bread container housed in a baking chamber provided in the main body, for example.
  • the present applicants rotate the rotating shaft provided at the bottom of the bread container so that the grinding blade and the kneading blade are rotatably provided so that the grinding function and the kneading function can be exhibited appropriately.
  • an object of the present invention is to provide an automatic bread maker that has a convenient mechanism that enables baking of bread from cereal grains and that can efficiently grind cereal grains.
  • an automatic bread maker of the present invention includes a main body having an accommodating portion for accommodating a bread container into which bread ingredients are charged, a rotating shaft provided at the bottom of the bread container, and the main body.
  • a motor that is provided and applies a rotational force to the rotating shaft of the bread container accommodated in the accommodating portion, and a grinding blade that rotates together with the rotating shaft and is used to grind grain grains in the bread container;
  • the pulverizing blade includes a first cutting portion including a first cutting blade and a second cutting portion including a second cutting blade, and the first cutting blade rotates at a high speed.
  • the height position and the height position at which the second cutting blade rotates differ at least in part.
  • the height position at which the first cutting blade rotates and the height position at which the second cutting blade rotates are different at least in part.
  • the contact probability between the grain and the cutting blade is increased as compared with the case where the two cutting blades rotate at the same height position.
  • the grinding efficiency of the grain by the grinding blade is improved.
  • the first cutting portion is provided substantially parallel to a surface orthogonal to the rotation axis, and the second cutting portion is inclined with respect to the surface orthogonal to the rotation axis. It is preferable.
  • the first cutting portion is provided so that a rotation track surface of the first cutting blade is substantially parallel to a surface orthogonal to the rotation axis, and the second cutting portion is provided. The portion is lowered from the outer peripheral side toward the inner peripheral side, and the portion is lowered from the side where the second cutting blade is not provided toward the side where the second cutting blade is provided.
  • a configuration having an inclined structure may be employed.
  • the flow of the liquid containing the object to be crushed (cereal grains) can be made smooth by the rotation of the pulverizing blade, and the pulverizing ability of the cereal grains can be increased. That is, it is possible to provide an automatic bread maker having a high crushing efficiency.
  • the automatic bread maker configured as described above further includes a first first cover that covers the crushing blade from above, and the first cover has at least one window that communicates the space inside the cover and the space outside the cover.
  • the inner surface of the first cover is formed with at least one rib for guiding the pulverized material pulverized by the pulverization blade in the direction of the window, and the height at which the first cutting blade rotates.
  • the position may be at least partially lower than the height position at which the second cutting blade rotates.
  • the grain is crushed in the first cover, it is possible to reduce the scattering of the grain outside the bread container.
  • the window and the rib are provided in the first cover, supply of grain grains to be crushed by the pulverizing blade into the first cover, and pulverized powder pulverized by the pulverizing blade to the outside of the first cover. Can be efficiently discharged.
  • a difference is provided in the height position at which the two cutting blades rotate, the collision frequency between the cutting blade of the grinding blade and the grain is increased, and the grinding efficiency is good. In other words, according to this configuration, the grain grinding efficiency is increased.
  • a kneading blade provided on the outer surface of the first cover and used for kneading bread dough in the bread container, and the rotational force of the rotating shaft applied to the first cover.
  • a clutch for switching whether to transmit or not wherein the grinding blade always rotates with the rotation of the rotary shaft, and the first cutting blade of the grinding blade when the rotary shaft rotates in one direction. And the second cutting blade is positioned rearward in the rotational direction, and the power is transmitted by the clutch.
  • the first cover and the kneading blade rotate together with the rotational shaft, and the rotational shaft is When rotating in the direction opposite to the direction, the first cutting blade and the second cutting blade of the grinding blade are positioned forward in the rotation direction, and power is transmitted by the clutch.
  • the first cover and the kneading blades as a rotation stop state, it is also possible.
  • a second cover that covers the grinding blade from below is attached to the first cover, and the second cover includes an inner annular portion and an outer side of the inner annular portion. And an outer annular portion provided concentrically, and a plurality of connecting portions that are spaced apart from each other and connect the inner annular portion and the outer annular portion.
  • pulverization blade from the bottom is attached to the 1st cover, after preparatory work (attachment work of a braid
  • the automatic bread maker is attached to the rotating shaft in the bread container, and is relatively rotatable within a predetermined range on the outer surface side of the first cover and the first cover that covers the grinding blade. It is possible to change the posture between a folded posture that is a posture for kneading bread dough and an open posture that protrudes from the first cover and is prevented from rotating by the bread container as compared to the folded posture.
  • a kneading blade for kneading bread dough, a clutch for switching whether or not to transmit the rotational force of the rotating shaft to the cover, and the kneading blade and the bread container are in contact when the kneading blade is in the open position. It is good also as providing the shock absorbing material which prevents doing.
  • the grinding blade and the kneading blade can be rotated by rotating one rotating shaft (the rotation of the kneading blade is interlocked with the rotation of the cover). For this reason, it is possible to efficiently arrange two blades (using only a small space) in a non-wide space in the bread container.
  • the automatic bread maker having this configuration is very convenient for the user because the bread can be baked from the grain without changing the blade in the middle of the bread making process.
  • the cover when the grain is pulverized, the cover can be prevented from rotating by the rotation of the pulverizing blade by opening the kneading blade. For this reason, for example, by adopting a configuration in which a rib (protrusion) or the like is provided in the cover, it becomes possible to efficiently grind the grain.
  • a coating material fluorine coating material or the like
  • a coating material may be applied to the surface of a bread container or a kneading blade, but according to this configuration, it is possible to prevent the coating material from being peeled off due to the effect of the buffer material.
  • a slight vibration is generated due to the rotation of the pulverizing blade.
  • a buffer material is formed with a member softer than the surface of a kneading blade or a bread container.
  • the crushing blade is attached to the rotating shaft so as not to rotate relative to the rotating shaft
  • the first cover is attached to the rotating shaft so as to be relatively rotatable
  • the clutch is mounted on the kneading blade.
  • the kneading blade Whether or not to transmit the rotational force to the first cover in conjunction with the rotation, and when the rotation shaft is rotated in one direction, the kneading blade is in the open posture and the The clutch does not transmit the rotational force to the first cover, the rotation of the first cover is stopped together with the rotation of the kneading blade, the grain is crushed by the grinding blade, and the rotating shaft Is rotated in the opposite direction to the one direction, the kneading blade is in the folded position and the clutch transmits the rotational force to the first cover. Wherein with the first cover rotates the kneading blades, may be elaborated in the dough takes place.
  • the two blades (the pulverization blade and the kneading blade) can be used properly depending on the rotation direction of the rotation shaft attached to the bread container.
  • the structure which can use two blades properly by the rotation direction of the rotating shaft attached to a bread container is realizable with a simple clutch mechanism. For this reason, the manufacturing cost of an automatic bread maker can be suppressed.
  • the cushioning material may be disposed on the kneading blade or may be disposed on the bread container.
  • the cushioning material may be one in which a member different from the kneading blade is fixed to the kneading blade, and is provided integrally with the kneading blade. It may be done.
  • the motor includes a first motor provided for rotating the kneading blade at a low speed and a second motor provided for rotating the crushing blade at a high speed. It is also possible that
  • the rotation of the grinding blade during the grinding process (high-speed rotation) and the rotation of the kneading blade during the kneading process (high torque, low-speed rotation) require different rotations. For this reason, it is preferable that the motor for rotating each blade is different as in this configuration.
  • an automatic bread maker that has a convenient mechanism that allows baking of bread from cereal grains and that can efficiently grind the cereal grains. For this reason, according to the present invention, it is expected that home bread making will become popular by making home bread production more familiar.
  • the schematic perspective view which shows the external appearance structure of the automatic bread maker of this embodiment The schematic diagram for demonstrating the structure inside the main body of the automatic bread maker of this embodiment.
  • the figure for demonstrating the clutch contained in the 1st power transmission part with which the automatic bread maker of this embodiment is provided, and the figure which shows the state in which a clutch cuts off power The figure for demonstrating the clutch contained in the 1st power transmission part with which the automatic bread maker of this embodiment is provided, and the figure which shows the state in which a clutch transmits power
  • the schematic perspective view which shows the structure of the blade unit with which the automatic bread maker of this embodiment is provided.
  • FIG. 2 is a schematic plan view of the blade unit provided in the automatic bread maker according to the present embodiment when viewed from below, and a view when the kneading blade is in a folded posture.
  • FIG. 3 is a schematic plan view of the blade unit provided in the automatic bread maker according to the present embodiment when viewed from below, and a diagram when the kneading blade is in an open posture.
  • the figure when the bread container provided in the automatic bread maker of the present embodiment is viewed from above, and the figure when the kneading blade is in the folded posture The figure when the bread container provided in the automatic bread maker of this embodiment is viewed from above, and the figure when the kneading blade is in the open posture
  • FIG. 10A It is a schematic plan view which shows the structure of the grinding
  • the block diagram which shows the structure of the automatic bread maker of this embodiment
  • FIG. 1 is a schematic perspective view showing an external configuration of the automatic bread maker according to the present embodiment.
  • an operation unit 20 is provided on a part of the upper surface of a main body 10 (the outer shell of which is formed of, for example, metal or synthetic resin) of an automatic bread maker 1 provided in a substantially rectangular parallelepiped shape. It has been.
  • the operation unit 20 includes an operation key group and a display unit that displays time, contents set by the operation key group, errors, and the like.
  • the operation key group includes, for example, a start key, a cancel key, a timer key, a reservation key, a bread manufacturing course (a course for manufacturing bread using rice grains as a starting material, a course for manufacturing bread using rice flour as a starting material) And a selection key for selecting a course for producing bread using flour as a starting material.
  • the display unit is configured by, for example, a liquid crystal display panel.
  • the firing chamber 30 is composed of, for example, a bottom wall 30a made of sheet metal and four side walls 30b (see also FIG. 4 described later).
  • the baking chamber 30 has a substantially rectangular box shape in plan view, and its upper surface is open.
  • the firing chamber 30 can be opened and closed by a lid 40 provided on the upper part of the main body 10.
  • the lid 40 is attached to the back side of the main body 10 with a hinge shaft (not shown), and the firing chamber 30 can be opened and closed by rotating about the hinge shaft as a fulcrum.
  • FIG. 1 shows a state where the lid 40 is opened.
  • the lid 40 is provided with a viewing window 41 made of heat-resistant glass, for example, so that the inside of the baking chamber 30 can be seen.
  • a bread ingredient storage container 42 is attached to the lid 40. This bread ingredient storage container 42 makes it possible to automatically feed some bread ingredients during the bread production process.
  • the bread raw material storage container 42 includes a box-shaped container body 42a having a substantially rectangular plane shape, and a container lid 42b that is provided so as to be rotatable with respect to the container body 42a and opens and closes the opening of the container body 42a. .
  • the bread ingredient storage container 42 can support the container lid 42b from the outer surface (lower surface) side and maintain the closed state of the opening of the container body 42a, and is moved by an external force to move the container lid 42b to the container lid 42b. There is also provided a movable hook 42c for releasing the engagement.
  • An automatic closing solenoid 16 (see FIG. 11 described later) is provided in the main body 10 on the lower side of the operation unit 20, and when the automatic closing solenoid 16 is driven, the plunger is adjacent to the lid 40. It protrudes from the opening 10b provided in the wall surface 10a. Then, a movable member (not shown) movable by the protruding plunger moves the movable hook 42c, the container lid 42b and the movable hook 42c are disengaged, and the container lid 42b rotates. As a result, the opening of the container body 42a is opened. Note that FIG. 1 shows a state where the opening of the container main body 42a is opened.
  • the container main body 42a and the container lid 42b are preferably provided with a metal such as aluminum so that powder bread materials (for example, gluten, dry yeast, etc.) stored in the container do not remain in the container.
  • the inner surfaces thereof are preferably covered with a silicon-based or fluorine-based coating layer, and are preferably formed smoothly with as little unevenness as possible.
  • a flange is provided on the opening side edge of the container main body 42a so that the above-described steam or the like does not enter the container main body 42a, and the container main body 42a is provided between the flange and the container lid 42b. Is provided with a packing (seal member) 42d.
  • FIG. 2 is a schematic diagram for explaining the internal configuration of the main body of the automatic bread maker according to the present embodiment.
  • FIG. 2 assumes a case where the automatic bread maker 1 is viewed from above, and the lower side of the figure is the front side of the automatic bread maker 1 and the upper side of the figure is the back side.
  • a low-speed / high-torque type kneading motor 50 used in the kneading process is fixedly disposed on the right side of the baking chamber 30, and the grinding process is performed behind the baking chamber 30.
  • the high-speed rotation type crushing motor 60 used in the above is fixedly arranged.
  • the kneading motor 50 and the crushing motor 60 are both shafts.
  • the kneading motor 50 is an example of the first motor of the present invention
  • the crushing motor 60 is an example of the second motor of the present invention.
  • the first pulley 52 is fixed to the output shaft 51 protruding from the upper surface of the kneading motor 50.
  • the first pulley 52 is connected by a first belt 53 to a second pulley 55 having a diameter larger than that of the first pulley 52 and fixed to the upper side of the first rotating shaft 54.
  • a second rotating shaft 57 is provided on the lower side of the first rotating shaft 54 so that the center of rotation is substantially the same as the first rotating shaft 54 (see also FIGS. 3A and 3B described later). ).
  • the first rotating shaft 54 and the second rotating shaft 57 are rotatably supported inside the main body 10.
  • a clutch 56 that performs power transmission and power interruption is provided between the first rotating shaft 54 and the second rotating shaft 57 (see also FIGS. 3A and 3B described later). The configuration of the clutch 56 will be described later.
  • a third pulley 58 is fixed to the lower side of the second rotating shaft 57 (see also FIG. 3A and FIG. 3B described later).
  • the third pulley 58 is provided on the lower side of the firing chamber 30 by the second belt 59 and is fixed to the driving shaft 11 and has a first driving shaft pulley 12 (having substantially the same diameter as the third pulley 58). (See FIGS. 3A and 3B described later).
  • the kneading motor 50 itself is a low speed / high torque type, and the rotation of the first pulley 52 is decelerated and rotated by the second pulley 55 (for example, decelerated to 1/5 speed). For this reason, when the kneading motor 50 is driven in a state where the clutch 56 transmits power, the driving shaft 11 rotates at a low speed.
  • the power transmission unit configured by the first driving shaft pulley 12 may be expressed as a first power transmission unit PT1.
  • a fourth pulley 62 is fixed to the output shaft 61 protruding from the lower surface of the grinding motor 60.
  • the fourth pulley 62 is fixed by a third belt 63 below the second driving shaft pulley 13 (below the first driving shaft pulley 12) fixed to the driving shaft 11; 3A and FIG. 3B).
  • the second driving shaft pulley 13 has substantially the same diameter as the fourth pulley 62.
  • a grinding motor 60 that can rotate at high speed is selected, and the rotation of the fourth pulley 62 is maintained at substantially the same speed in the second driving shaft pulley 13.
  • the driving shaft 11 rotates at a high speed (for example, 7000 to 8000 rpm) by the high speed rotation of the grinding motor 60.
  • the power transmission unit including the fourth pulley 62, the third belt 63, and the second driving shaft pulley 13 may be hereinafter expressed as a second power transmission unit PT2.
  • the second power transmission unit PT2 has a configuration that does not have a clutch, and connects the output shaft 61 of the crushing motor 60 and the driving shaft 11 so that power can be transmitted constantly.
  • 3A and 3B are views for explaining a clutch included in the first power transmission unit provided in the automatic bread maker of the present embodiment.
  • 3A and 3B are diagrams assuming a case of viewing along the direction of the arrow X in FIG. 3A shows a state where the clutch 56 performs power cut-off, and FIG. 3B shows a state where the clutch 56 performs power transmission.
  • the clutch 56 includes a first clutch member 561 and a second clutch member 562.
  • the clutch 56 transmits power.
  • the clutch 56 cuts off the power. That is, the clutch 56 is a meshing clutch.
  • each of the two clutch members 561 and 562 has a circumferential direction (when the first clutch member 561 is seen in plan view from below, or the second clutch member 562 is seen in plan view from above. Assuming the case), six claws 561a and 562a arranged at almost equal intervals are provided, but the number of the claws may be appropriately changed. Moreover, what is necessary is just to select a preferable shape suitably for the shape of nail
  • the first clutch member 561 is slidable in the axial direction (vertical direction in FIGS. 3A and 3B) with respect to the first rotating shaft 54 and is not relatively rotatable. It is attached.
  • a spring 71 is loosely fitted on the upper side of the first clutch member 561 of the first rotating shaft 54.
  • the spring 71 is disposed so as to be sandwiched between a stopper portion 54a provided on the first rotating shaft 54 and the first clutch member 561, and biases the first clutch member 561 downward.
  • the second clutch member 562 is fixed to the upper end of the second rotating shaft 57.
  • Switching between the power transmission state and the power cut-off state in the clutch 56 is performed using the arm portion 72 that can be selectively arranged at the lower position and the upper position.
  • a part of the arm portion 72 is disposed below the first clutch member 561 and can come into contact with the outer peripheral side of the first clutch member 561.
  • the driving of the arm portion 72 is performed using a clutch solenoid 73.
  • the clutch solenoid 73 includes a permanent magnet 73a and is a so-called self-holding solenoid.
  • the plunger 73 b of the clutch solenoid 73 is fixed to the plunger fixing attachment portion 72 a of the arm portion 72. For this reason, the arm part 72 moves according to the movement of the plunger 73b in which the amount of protrusion from the housing 73c varies due to the application of voltage.
  • the first clutch member 561 moves downward while being pushed by the urging force of the spring 71.
  • the first clutch member 561 and the second clutch member 562 are engaged with each other. That is, when the arm portion 72 is in the lower position, the clutch 56 transmits power.
  • the automatic bread maker 1 includes the clutch 56 that performs power transmission and power interruption in the first power transmission unit PT1.
  • the second power transmission unit PT2 is not provided with a clutch, for the following reason. That is, even if the kneading motor 50 is driven, the driving shaft 11 is only rotated at a low speed (for example, 180 rpm). For this reason, even if the rotational power for rotating the driving shaft 11 is transmitted to the output shaft of the crushing motor 60, a large load is not applied to the kneading motor 50. And the manufacturing cost of the automatic bread maker 1 is suppressed by adopting the structure in which the clutch is not provided in the second power transmission part PT2 in this way. However, it goes without saying that a configuration in which a clutch is provided in the second power transmission unit PT2 may be adopted.
  • FIG. 4 is a diagram schematically showing a configuration of a baking chamber in which a bread container is accommodated and its surroundings in the automatic bread maker of the present embodiment.
  • FIG. 4 assumes a configuration when the automatic bread maker 1 is viewed from the front side, and the configurations of the baking chamber 30 and the bread container 80 are generally shown in cross-sectional views.
  • the bread container 80 used as a baking mold while the bread raw material is input can be taken in and out of the baking chamber 30.
  • a sheathed heater 31 (an example of a heating unit) is disposed inside the baking chamber 30 so as to surround a bread container 80 accommodated in the baking chamber 30.
  • a sheathed heater 31 it is possible to heat the bread material (which may be a dough) in the bread container 80.
  • a bread container support portion 14 (for example, made of an aluminum alloy die-cast product) that supports the bread container 80 is fixed to a location that is substantially at the center of the bottom wall 30a of the baking chamber 30.
  • the bread container support portion 14 is formed so as to be recessed from the bottom wall 30a of the baking chamber 30, and the shape of the recess is substantially circular when viewed from above.
  • the above-described driving shaft 11 is supported so as to be substantially perpendicular to the bottom wall 30a.
  • the bread container 80 is, for example, an aluminum alloy die-cast molded product (others may be made of sheet metal or the like), has a bucket-like shape, and is handed to the flange 80a provided on the side edge of the opening. A handle (not shown) is attached.
  • the horizontal cross section of the bread container 80 is a rectangle with rounded corners. Further, a concave portion 81 having a substantially circular shape in a plan view is formed on the bottom of the bread container 80 so as to accommodate a part of a blade unit 90 which will be described in detail later.
  • a blade rotation shaft 82 (an example of the rotation shaft of the present invention) extending in the vertical direction is rotatably supported in a state where a countermeasure against sealing is taken.
  • a container side coupling member 82a is fixed to the lower end of the blade rotation shaft 82 (projecting outward from the bottom of the bread container 80).
  • a cylindrical base 83 is provided on the outer surface side of the bottom of the bread container 80 so as to surround the blade rotation shaft 82.
  • the bread container 80 is accommodated in the baking chamber 30 in a state where the pedestal 83 is received by the bread container support portion 14.
  • the pedestal 83 may be formed separately from the bread container 80 or may be formed integrally with the bread container 80.
  • the container-side coupling member 82a provided at the lower end of the blade rotation shaft 82 is provided. Then, connection (coupling) with the driving shaft side coupling member 11a fixed to the upper end of the driving shaft 11 is obtained. As a result, the blade rotation shaft 82 can transmit the rotational power from the driving shaft 11.
  • the blade unit 90 is detachably attached to a portion of the blade rotating shaft 82 protruding into the bread container 80 from above.
  • the configuration of the blade unit 90 will be described with reference to FIGS. 5, 6, 7A, 7B, 8A, 8B, 9A, 9B, 10A, 10B, 10C, and 10D.
  • FIG. 5 is a schematic perspective view showing the configuration of the blade unit provided in the automatic bread maker of the present embodiment.
  • FIG. 6 is a schematic exploded perspective view showing a configuration of a blade unit provided in the automatic bread maker of the present embodiment.
  • 7A and 7B are views showing the configuration of the blade unit provided in the automatic bread maker of the present embodiment, FIG. 7A is a schematic side view, and FIG. 7B is a cross-sectional view at the position AA in FIG. 7A.
  • 8A and 8B are schematic plan views of the blade unit included in the automatic bread maker according to the present embodiment when viewed from below, FIG. 8A is a view when the kneading blade is in a folded position, and FIG. 8B is a kneading blade.
  • FIG. 9A and FIG. 9B are diagrams when the bread container provided in the automatic bread maker of the present embodiment is viewed from above.
  • FIG. 9A is a view when the kneading blade is in a folded position
  • FIG. 9B is a view when the kneading blade is in an open position.
  • FIG. 10A, FIG. 10B, FIG. 10C and FIG. 10D are schematic plan views showing the configuration of a grinding blade provided in the automatic bread maker of this embodiment
  • FIG. 10A is a view as seen from above
  • FIG. 10C is a side view when viewed from the P2 position in FIG. 10A
  • FIG. 10D is a side view when viewed from the P3 position in FIG. 10A.
  • the broken lines in FIGS. 10B, 10C, and 10D are shown for ease of understanding and do not show a part of the grinding blade.
  • the blade unit 90 is roughly attached to the unit shaft 91, the pulverizing blade 92 that is attached to the unit shaft 91 so as not to rotate relative to the unit shaft 91, and the relative rotation to the unit shaft 91 so as to cover the pulverizing blade 92 from above.
  • a configuration comprising: a dome-shaped cover 93 that is substantially circular in plan view; a kneading blade 101 that is attached to the dome-shaped cover 93 so as to be relatively rotatable; and a guard 106 that is attached to the dome-shaped cover 93 and covers the grinding blade 92 from below. (See, for example, FIGS. 5, 6, 7A, and 7B).
  • the dome-shaped cover 93 is an example of the first cover of the present invention
  • the guard 106 is an example of the second cover of the present invention.
  • the unit shaft 91 is a substantially cylindrical member formed of a metal such as a stainless steel plate, for example, and has an opening at one end (lower end), and the inside is hollow. That is, the unit shaft 91 has a configuration in which an insertion hole 91c is formed so that the blade rotation shaft 82 can be inserted from the lower end (see, for example, FIG. 7B).
  • a pair of cutout portions 91a are formed on the lower side (opening side) of the side wall of the unit shaft 91 so as to be symmetrically arranged with respect to the rotation center of the unit shaft 91 (see, for example, FIG. 6).
  • FIG. 6 shows only one of the pair of cutout portions 91a).
  • the shape of the notch 91a is substantially rectangular in a side view, and in detail, one end (upper end) is rounded.
  • the notch 91a is provided to engage the pin 821 (see FIG. 7B) that penetrates the blade rotation shaft 82 horizontally. When the pin 821 of the blade rotating shaft 82 and the notch 91a are engaged, the unit shaft 91 is attached to the blade rotating shaft 82 so as not to be relatively rotatable.
  • the center of the upper surface on the inner side of the unit shaft 91 so as to engage with a convex portion 82b provided at the center of the upper end surface (substantially circular) of the blade rotation shaft 82 (shown by a broken line).
  • a concave portion 91b is formed in the portion. Accordingly, the blade unit 90 can be easily attached to the blade rotation shaft 82 in a state where the centers of the unit shaft 91 and the blade rotation shaft 82 are aligned. For this reason, when the blade rotating shaft 82 is rotated, occurrence of unnecessary rattling is suppressed.
  • the convex portion 82b is provided on the blade rotating shaft 82 side and the concave portion 91b is provided on the unit shaft 91 side, but conversely, the concave portion is provided on the blade rotating shaft 82 side and the unit shaft 91 side is provided.
  • a configuration in which a convex portion is provided may be employed.
  • the pulverization blade 92 for pulverizing grains is formed by processing a stainless steel plate, for example.
  • the grinding blade 92 includes a first cutting portion 921, a second cutting portion 922, a first cutting portion 921 and a second cutting portion 922. And a connecting portion 923 for connecting the two.
  • An opening 923 a having a substantially rectangular shape (stadium shape) in plan view is formed at the center of the connecting portion 923.
  • the grinding blade 92 is attached to the unit shaft 91 such that the lower side of the unit shaft 91 is fitted into the opening 923a.
  • a flat surface is formed on the lower side of the unit shaft 91 by shaving a part of the side surface (near the position where the notch 91a is provided).
  • the lower side of the unit shaft 91 has substantially the same shape (substantially rectangular shape) as the opening 923a provided in the connecting portion 923.
  • the area when the lower side of the unit shaft 91 is viewed in plan is slightly smaller than the opening 923a. Since such a shape is adopted, the grinding blade 92 is attached to the unit shaft 91 so as not to be relatively rotatable. Since the stopper member 94 for preventing the retaining member 94 is fitted into the unit shaft 91 on the lower side of the pulverizing blade 92, the pulverizing blade 92 does not fall off the unit shaft 91.
  • the first cutting portion 921 and the second cutting portion 922 are opposed to each other with the connecting portion 923 interposed therebetween (see FIG. 10A).
  • the connecting portion 923 has a substantially arched shape when viewed from the side, and the top plate portion (flat plate) in which the opening 923a is formed includes the first cutting portion 921 and the first cutting portion 921. 2 is higher than the cutting part 922.
  • a first cutting blade 921a is formed on one side of the upper surface side of the first cutting portion 921 so as to be gradually thinned toward the end surface.
  • a second cutting blade 922a is formed on one side of the upper surface side of the second cutting portion 922 so as to be gradually thinned toward the end surface.
  • the first cutting blade 921a and the second cutting portion 922a are disposed to face each other with the connecting portion 923 interposed therebetween.
  • the two cutting blades 921a and 922a are both positioned forward in the rotational direction, thereby exhibiting a cutting function.
  • the first cutting portion 921 is provided so as to be substantially parallel to a plane orthogonal to the blade rotation shaft 82 (hereinafter sometimes referred to as a horizontal plane) in a state where the blade unit 90 is attached to the blade rotation shaft 82. (See FIGS. 10B to 10D). In other words, when the grinding blade 92 rotates, the first cutting portion 921 is provided so that the rotation track surface of the first cutting blade 921a is substantially parallel to the horizontal plane.
  • FIG. 10B and FIG. 10C have different relations of viewing directions, but both correspond to side views of the grinding blade 92 when the blade unit 90 is attached to the blade rotation shaft 82 extending in the vertical direction. To do.
  • the first cutting portion 921 is slightly inclined with respect to the horizontal plane in a state where the blade unit 90 is attached to the blade rotation shaft 82. However, this inclination is slight, and here, this inclination is treated as being substantially parallel to the horizontal plane. In some cases, the first cutting portion 921 may be completely parallel to the horizontal plane with the blade unit 90 attached to the blade rotation shaft 82.
  • the second cutting part 922 has a shape obtained by being twisted from a horizontal state, and has an inclined structure. Therefore, the blade unit 90 is inclined with respect to the horizontal plane in a state where the blade unit 90 is attached to the blade rotation shaft 82 (see FIGS. 10B to 10D). More specifically, in the second cutting portion 922, the second cutting blade 922a is gradually lowered from the outer peripheral side (the left side in FIG. 10C corresponds) to the inner peripheral side (the right side in FIG. 10C corresponds). It is inclined to. Further, the second cutting portion 922 gradually moves from the side without the second cutting blade 922a (the left side in FIG. 10B corresponds) toward the side with the second cutting blade 922a (the right side in FIG. 10B corresponds). Inclined to be lower.
  • first cutting blade 921a and the second cutting blade 922a are arranged so that the height from the bottom surface of the bread container 80 (specifically, the bottom surface of the recess 81) in a state where the blade unit 90 is attached to the blade rotation shaft 82. Are provided to rotate at different positions. Specifically, the first cutting blade 921a rotates at a lower position than the second cutting blade 922a.
  • the innermost circumferential side position of the first cutting blade 921a and the innermost circumferential side position of the second cutting blade 922a are in a state where the blade unit 90 is attached to the blade rotating shaft 82.
  • the height from the bottom surface of the bread container 80 is substantially the same. That is, in this embodiment, more precisely, a part of the first cutting blade 921a rotates at a lower position than the second cutting blade 922a. However, all of the first cutting blades 921a may rotate at a lower position than all of the second cutting blades 922a.
  • the dome-shaped cover 93 disposed so as to surround and cover the crushing blade 92 is made of, for example, an aluminum alloy die-cast product, and a bearing 95 (in this embodiment, a rolling bearing is used on the inner surface side thereof. ) (See FIG. 7B) is formed.
  • the dome-shaped cover 93 has a configuration in which a substantially cylindrical convex portion 93a is formed at the center when viewed from the outer surface.
  • the opening is not formed in the convex part 93a, and the bearing 95 accommodated in the accommodating part 931 is in the state in which the side surface and the upper surface are enclosed by the wall surface of the accommodating part 931.
  • the inner ring 95a is attached to the unit shaft 91 so as not to rotate relative to the bearing 95 with the retaining rings 96a and 96b arranged on the upper and lower sides (the unit shaft 91 is press-fitted into a through hole inside the inner ring 95a. ing).
  • the bearing 95 is press-fitted into the housing portion 931 so that the outer wall of the outer ring 95b is fixed to the side wall of the housing portion 931.
  • the dome-shaped cover 93 is attached to the unit shaft 91 so as to be rotatable relative to the bearing 95 (the inner ring 95a rotates relative to the outer ring 95b).
  • the housing portion 931 of the dome-shaped cover 93 is made of, for example, a silicon-based material so that foreign matter (for example, liquid used when pulverizing grain grains or paste-like material obtained by pulverization) does not enter the bearing 95 from the outside.
  • a seal material 97 formed of a fluorine-based material and a metal seal cover 98 that holds the seal material 97 are press-fitted from the lower side of the bearing 95.
  • the seal cover 98 is fixed to the dome-shaped cover 93 with a rivet 99 so that the fixing to the dome-shaped cover 93 is ensured. Although fixing with the rivet 99 may not be performed, it is preferable to configure as in the present embodiment in order to obtain reliable fixing.
  • the sealing material 97 and the sealing cover 98 function as sealing means.
  • a kneading blade 101 (for example, aluminum) in a planar shape is formed by a support shaft 100 (see FIG. 6) disposed so as to extend in a vertical direction at a location adjacent to the convex portion 93 a. (Made of die-cast alloy product) is attached.
  • the kneading blade 101 is attached to the support shaft 100 so as not to be relatively rotatable, and moves together with the support shaft 100 attached to the dome-shaped cover 93 so as to be relatively rotatable. In other words, the kneading blade 101 is attached to the dome-shaped cover 93 so as to be relatively rotatable.
  • FIG. 5 On one surface near the tip of the kneading blade 101 (assuming a portion that draws the largest circle when the kneading blade 101 is rotated about the support shaft 100), FIG. 5, FIG. 6, FIG. 7A, FIG.
  • a cushioning material 107 is attached on one surface near the tip of the kneading blade 101 (assuming a portion that draws the largest circle when the kneading blade 101 is rotated about the support shaft 100), FIG. 5, FIG. 6, FIG. 7A, FIG.
  • a cushioning material 107 is attached.
  • the buffer material 107 is provided so as to slightly protrude from the tip of the kneading blade 101 (see, for example, FIG. 8B). In the present embodiment, it is provided so as to protrude about 3 mm (d ⁇ 3 mm).
  • the buffer material 107 is fixed in a state where the buffer material 107 is sandwiched between one surface of the kneading blade 101 and the fixing plate 108 and obtained by caulking the rivet 109 inserted from the other surface side of the kneading blade 101. ing.
  • the number of rivets 109 is two, but it goes without saying that the number is not limited.
  • the buffer material 107 is disposed so as not to directly contact the bread container 80 (inner wall) when the kneading blade 101 is in an open posture, which will be described in detail later.
  • the buffer material 107 is provided to prevent such damage.
  • the surface of the bread container 80 and the kneading blade 101 is coated with fluorine.
  • the buffer material 107 of the present embodiment is provided so that the fluorine coating is not peeled off by contact between the kneading blade 101 and the pan container 80.
  • the material constituting the cushioning material 107 is preferably a material softer than the coating material so as not to peel off the fluorine coating, and for example, silicone rubber, TPE (Thermoplastic Elastomers) or the like is used.
  • the buffer material 107 also functions as a soundproofing measure, which will be described later. In the following description, the buffer material 107 may be regarded as a part of the kneading blade 101.
  • the complementary kneading blade 102 (for example, made of an aluminum alloy die cast product) is fixedly arranged on the outer surface of the dome-shaped cover 93 so as to be aligned with the kneading blade 101.
  • the complementary kneading blade 102 is not necessarily provided, but is preferably provided in order to increase the kneading efficiency in the kneading process of kneading the bread dough.
  • the kneading blade 101 rotates about the axis of the support shaft 100 together with the support shaft 100, and has two postures, a folded posture shown in FIGS. 5, 7A, 8A and 9A, and an open posture shown in FIGS. 8B and 9B. Take. In the folded position, the protrusion 101a (see FIG. 6) hanging from the lower edge of the kneading blade 101 comes into contact with the first stopper portion 93b provided on the upper surface (outer surface) of the dome-shaped cover 93.
  • the kneading blade 101 cannot further rotate counterclockwise (assuming the case viewed from above) with respect to the dome-shaped cover 93. In this folded position, the tip of the kneading blade 101 protrudes slightly from the dome-shaped cover 93.
  • the tip of the kneading blade 101 is moved to the open posture shown in FIG. Protrudes greatly from the dome-shaped cover 93.
  • the opening angle of the kneading blade 101 in this opening posture is limited by the second stopper portion 93 c (see FIG. 8B) provided on the inner surface of the dome-shaped cover 93.
  • the complementary kneading blade 102 is aligned with the kneading blade 101 as shown in FIGS. 5 and 7A, for example.
  • the size becomes larger.
  • a first engagement body 103 a constituting a cover clutch 103 (an example of the clutch of the present invention) is attached to the unit shaft 91 between the pulverization blade 92 and the seal cover 98. It has been.
  • a substantially rectangular (stadium-shaped) opening 103aa is formed in the first engaging body 103a made of zinc die casting, and a substantially rectangular portion in plan view on the lower side of the unit shaft 91 is fitted into the opening 103aa.
  • the first engagement body 103a is attached to the unit shaft 91 so as not to be relatively rotatable.
  • the first engaging body 103a is attached from the lower side of the unit shaft 91 prior to the crushing blade 92, and the stopper member 94 prevents the unit shaft 91 from dropping off together with the crushing blade 92.
  • the washer 104 is disposed between the first engagement body 103a and the seal cover 98 in consideration of prevention of deterioration of the first engagement body 103a.
  • the washer 104 is not necessarily provided. It does not have to be provided.
  • a second engagement body 103b constituting the cover clutch 103 is attached to the lower side of the support shaft 100 to which the kneading blade 101 is attached.
  • a substantially rectangular (stadium-shaped) opening 103ba is formed in the second engaging body 103b made of zinc die casting, and a substantially rectangular portion in plan view on the lower side of the support shaft 100 is fitted into the opening 103ba.
  • the second engagement body 103b is attached to the support shaft 100 so as not to be relatively rotatable.
  • the washer 105 is arranged on the upper side of the second engagement body 103b in consideration of prevention of deterioration of the second engagement body 103b.
  • the washer 105 is not necessarily provided.
  • the cover clutch 103 composed of the first engagement body 103a and the second engagement body 103b functions as a clutch for switching whether or not to transmit the rotational power of the blade rotation shaft 82 to the dome-shaped cover 93.
  • the cover clutch 103 is a rotation direction of the blade rotation shaft 82 when the kneading motor 50 rotates the driving shaft 11 (this rotation direction is referred to as “forward rotation”. In FIGS. 8A and 8B, the rotation is counterclockwise. 9A and 9B, the rotation is clockwise (corresponding to “one direction” in the present invention), and the rotational power of the blade rotation shaft 82 is transmitted to the dome-shaped cover 93.
  • FIGS. 8A and 8B rotate clockwise, and FIGS. 9A and 9B show rotation directions).
  • the cover clutch 103 does not transmit the rotational power of the blade rotating shaft 82 to the dome-shaped cover 93.
  • the operation of the cover clutch 103 will be described in more detail.
  • the engagement portion 103bb of the second engagement body 103b is the engagement portion 103ab of the first engagement body 103a (although there are two in this embodiment). It is an angle that interferes with the rotation trajectory (see FIG. 8A). Therefore, when the blade rotation shaft 82 rotates in the forward direction, the first engagement body 103 a and the second engagement body 103 b are engaged, and the rotational power of the blade rotation shaft 82 is transmitted to the dome-shaped cover 93.
  • the engagement portion 103bb of the second engagement body 103b deviates from the rotation trajectory of the engagement portion 103ab of the first engagement body 103a. (See the broken line in FIG. 8B). For this reason, even if the blade rotation shaft 82 rotates, the first engagement body 103a and the second engagement body 103b are not engaged. Accordingly, the rotational power of the blade rotation shaft 82 is not transmitted to the dome-shaped cover 93.
  • the dome-shaped cover 93 is formed with a window 93d that communicates the space inside the cover and the space outside the cover.
  • the window 93d is arranged at a height equal to or higher than the grinding blade 92.
  • a total of four windows 93d are arranged at intervals of 90 °, but other numbers and arrangement intervals can be selected.
  • each rib 93e extends obliquely from the vicinity of the center of the dome-shaped cover 93 to the outer peripheral annular wall with respect to the radial direction, and the four ribs 93e form a kind of bowl shape. Moreover, each rib 93e is curving so that the side which faces the bread raw material pressed toward it may become convex.
  • a guard 106 is detachably attached to the lower surface of the dome-shaped cover 93.
  • the guard 106 covers the lower surface of the dome-shaped cover 93 and prevents the user's finger from approaching the grinding blade 92.
  • the guard 106 is formed of, for example, an engineering plastic having heat resistance, and can be a molded product such as PPS (polyphenylene sulfide).
  • the guard 106 need not be provided, but is preferably provided for the purpose of ensuring the safety of the user.
  • a ring-shaped hub 106a (an example of the inner annular portion of the present invention) through which a stopper member 94 fixed to the unit shaft 91 is passed.
  • a ring-shaped rim 106b (an example of the outer annular portion of the present invention) provided concentrically outside the hub 106a.
  • the hub 106a and the rim 106b are connected by a plurality of spokes 106c (an example of the connecting portion of the present invention).
  • the plurality of spokes 106c are arranged at a predetermined interval, and between the spokes 106c are openings 106d through which grain grains pulverized by the pulverizing blade 92 pass.
  • the opening 106d has a size that prevents a finger from passing through.
  • the guard 106 is shaped like an outer blade of a rotary electric razor, and the grinding blade 92 is shaped like an inner blade.
  • a total of four columns 106e are integrally formed at the periphery of the rim 106b at intervals of 90 °.
  • a horizontal groove 106ea having one end dead end is formed on a side surface of the pillar 106e facing the center side of the guard 106.
  • the guard 106 is attached to the dome-shaped cover 93 by engaging the grooves 106 ea with the projections 93 f formed on the outer periphery of the dome-shaped cover 93 (all four are arranged at intervals of 90 °).
  • the groove 106ea and the protrusion 93f are provided so as to constitute a bayonet coupling.
  • Each of the plurality of pillars 106e is inclined such that the side surface 106eb that is the front surface in the rotation direction is obliquely upward when the blade rotation shaft 82 rotates in the forward direction.
  • the crushing blade 92 and the kneading blade 101 are incorporated into one unit (blade unit 90), the handling thereof is convenient.
  • the user can easily pull out the blade unit 90 from the blade rotating shaft 82, and can easily clean the blade after the bread making operation.
  • the pulverizing blade 92 provided in the blade unit 90 is detachably attached to the unit shaft 91, and is easily mass-produced and has excellent maintainability such as blade replacement.
  • the bearing 95 is preferably a sealed structure so that the liquid does not enter the bearing 95.
  • the sealing means the sealing material 97 and the seal cover only on the inner surface side of the dome-shaped cover 93). 98
  • a structure for sealing the bearing 95 is obtained.
  • the automatic bread maker 1 it is possible to suppress an adverse effect on the shape of the baked bread (for example, the bottom surface of the bread is greatly recessed).
  • FIG. 11 is a block diagram showing a configuration of the automatic bread maker according to the present embodiment.
  • the control operation in the automatic bread maker 1 is performed by the control device 120.
  • the control device 120 includes, for example, a microcomputer including a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), an I / O (input / output) circuit unit, and the like. .
  • the control device 120 is preferably disposed at a position that is not easily affected by the heat of the baking chamber 30. Further, the control device 120 is provided with a time measuring function, and temporal control in the bread manufacturing process is possible.
  • the control device 120 includes the operation unit 20, the temperature sensor 15 that detects the temperature of the baking chamber 30, a kneading motor drive circuit 121, a grinding motor drive circuit 122, a heater drive circuit 123, and a first solenoid.
  • the drive circuit 124 and the second solenoid drive circuit 125 are electrically connected.
  • the kneading motor driving circuit 121 is a circuit for controlling the driving of the kneading motor 50 under a command from the control device 120.
  • the grinding motor drive circuit 122 is a circuit for controlling the driving of the grinding motor 60 under a command from the control device 120.
  • the heater drive circuit 123 is a circuit for controlling the operation of the sheathed heater 31 under a command from the control device 120.
  • the first solenoid drive circuit 124 controls the drive of the automatic charging solenoid 16 that is driven when a part of the bread ingredients is automatically charged in the course of the bread manufacturing process under the command from the control device 120. Circuit.
  • the second solenoid drive circuit 125 controls driving of a clutch solenoid 73 (see FIGS. 3A and 3B) that switches the state of the clutch 56 (see FIGS. 3A and 3B) under a command from the control device 120. Circuit.
  • the control device 120 reads a program relating to a bread manufacturing course (breadmaking course) stored in a ROM or the like based on an input signal from the operation unit 20, and a kneading blade by the kneading motor 50 via the kneading motor driving circuit 121.
  • the automatic bread maker 1 controls the operation of the movable hook 42c by the automatic closing solenoid 16 via the solenoid driving circuit 124 and the switching control of the clutch 56 by the clutch solenoid 73 via the second solenoid driving circuit 125. Execute bread manufacturing process.
  • FIG. 12 is a schematic diagram showing the flow of the bread making course for rice grains executed by the automatic bread maker. As shown in FIG. 12, in the bread making course for rice grains, the dipping process, the pulverizing process, the pause process, the kneading (kneading) process, the fermentation process, and the baking process are sequentially performed in this order.
  • the dipping process, the pulverizing process, the pause process, the kneading (kneading) process, the fermentation process, and the baking process are sequentially performed in this order.
  • the user attaches the blade unit 90 to the blade rotation shaft 82 by covering the blade rotation shaft 82 of the bread container 80 with the unit shaft 91.
  • the blade unit 90 includes the guard 106, the user's finger does not touch the crushing blade 92 during this work, and the user can work safely.
  • the user weighs rice grains, water, and seasonings (for example, salt, sugar, shortening, etc.) in predetermined amounts and puts them in the bread container 80.
  • the user weighs the bread ingredients that are automatically input during the bread manufacturing process and puts them in the container body 42a of the bread ingredient storage container 42.
  • the container lid 42b is supported by the movable hook 42c so that the opening of the container main body 42a is closed by the container cover 42b.
  • the bread raw material accommodated in the bread raw material storage container 42 gluten, dry yeast, etc. are mentioned, for example.
  • gluten for example, at least one of flour, thickener (eg, guar gum), and upper fresh powder may be stored in the bread ingredient storage container 42.
  • only dry yeast may be stored in the bread raw material storage container 42 without using gluten, wheat flour, thickener, super fresh powder or the like.
  • salt, sugar and shortening seasonings such as salt, sugar and shortening are stored in the bread ingredient storage container 42 together with, for example, gluten and dry yeast so as to be automatically introduced during the bread manufacturing process. It may be.
  • the bread raw material previously put into the bread container 80 is rice grains and water (in place of mere water, for example, a liquid having a taste component such as soup stock, a liquid containing fruit juice or alcohol, etc.) Become.
  • the control apparatus 120 starts control operation
  • the dipping process is started by a command from the control device 120.
  • the bread raw material previously put in the bread container 80 is set in a stationary state, and the stationary state is maintained for a predetermined time (30 minutes in the present embodiment).
  • This dipping process is a process aimed at making the rice grains easy to be pulverized to the core in the subsequent pulverization process by adding water to the rice grains.
  • the water absorption rate of rice grains varies depending on the temperature of the water. If the water temperature is high, the water absorption rate increases, and if the water temperature is low, the water absorption rate decreases. For this reason, you may make it fluctuate
  • the grinding blade 92 may be rotated at the initial stage of the dipping process, and further, the grinding blade 92 may be intermittently rotated thereafter. If it does in this way, the surface of a rice grain can be damaged, and the liquid absorption efficiency of a rice grain will be improved.
  • the crushing blade 92 is rotated at a high speed (for example, 7000 to 8000 rpm) in a mixture containing rice grains and water.
  • the control device 120 controls the crushing motor 60 to rotate the blade rotation shaft 82 in the reverse direction (clockwise rotation in FIGS. 8A and 8B, and counterclockwise rotation in FIGS. 9A and 9B). Due to the reverse rotation of the blade rotation shaft 82, the grinding blade 92 rotates with the first cutting blade 921a and the second cutting blade 922a being forward in the rotation direction. For this reason, the grinding function by the grinding blade 92 is obtained.
  • the control device 120 drives the clutch solenoid 73 so that the clutch 56 shuts off the power (the state shown in FIG. 3A). This is because, as described above, there is a possibility that the motor is damaged unless it is controlled in this way.
  • the dome-shaped cover 93 also starts to rotate following the rotation of the blade rotation shaft 82.
  • the rotation of the cover 93 is immediately blocked (stopped). It is preferable that the pulverizing blade 92 is rotated at a low speed in the initial stage of the pulverization process and then rotated at a high speed.
  • the rotation direction of the dome-shaped cover 93 accompanying the rotation of the blade rotation shaft 82 for rotating the grinding blade 92 is the counterclockwise direction in FIGS. 9A and 9B, and the kneading blade 101 has been folded until then (see FIG. 9A).
  • the resistance is changed to the open posture (posture shown in FIG. 9B) due to the resistance received from the mixture containing rice grains and water.
  • the engagement portion 103bb of the second engagement body 103b deviates from the rotation trajectory (see the broken line in FIG. 8B) of the engagement portion 103ab of the first engagement body 103a.
  • the cover clutch 103 disconnects the blade rotation shaft 82 from the dome-shaped cover 93.
  • a part of the kneading blade 101 in the open posture (more precisely, the buffer material 107 provided on the tip side) is formed on the inner wall of the bread container 80 (specifically, the grinding efficiency is improved).
  • the rotation of the dome-shaped cover 93 is prevented (stopped) in order to abut against the bowl-shaped convex portion 80b provided on the inner wall of the bread container 80 for improvement.
  • the bowl-shaped convex portion 80b is not necessarily provided, and when this is not provided, the other portion of the bread container 80 and the cushioning material 107 come into contact with each other.
  • the kneading blade 101 and the pan container 80 are not in direct contact with each other due to the presence of the buffer material 107, it is possible to prevent the fluorine coating from being peeled off at the contact portion. Further, in the crushing process, a slight vibration is generated while the crushing blade 92 is rotating, and when the cushioning material 107 is not provided, the kneading blade 101 and the pan container 80 repeatedly collide with each other. In addition to the above-described peeling, there is a problem that sound is generated. In this respect, in the automatic bread maker 1 of this embodiment, the occurrence of this sound can be suppressed due to the presence of the buffer material 107.
  • the pulverization of the rice grains in the pulverization step is performed in a state in which water is soaked in the rice grains by the previously performed immersion step, so that the rice grains can be easily pulverized to the core.
  • the rotation of the pulverizing blade 92 in the pulverization step is intermittent. This intermittent rotation is performed, for example, in a cycle of rotating for 30 seconds and stopping for 5 minutes, and this cycle is repeated 10 times. In the last cycle, the stop for 5 minutes is not performed.
  • the rotation of the crushing blade 92 may be continuous rotation, but for the purpose of, for example, preventing the temperature of the raw material in the bread container 80 from becoming too high, it is preferable to perform intermittent rotation.
  • the pulverization of the rice grains is performed in the dome-shaped cover 93 that has stopped rotating, and therefore the possibility that the rice grains scatter outside the bread container 80 is low.
  • a rib 93e and a window 93d are provided in the dome-shaped cover 93, and the second cutting part 922 of the grinding blade 92 has the above-described inclined structure.
  • a mixture containing rice grains and water enters (sucks in) the dome-shaped cover 93 from the lower side of the dome-shaped cover 93 (present in the recess 81) by the reverse rotation of the grinding blade 92. After pulverization by the pulverization blade 92, the flow of going out (discharged) out of the dome-shaped cover 93 is smoothly performed.
  • the inclined structure of the second cutting part 922 of the grinding blade 92 makes it easy for the mixture that has entered the dome-shaped cover 93 to flow from the bottom to the top.
  • the rib 93e of the dome-shaped cover 93 is curved so that the side facing the mixture pressing toward it is convex, so that the mixture does not easily stay on the surface of the rib 93e, and is smoothly guided by the rib 93e. It flows toward the window 93d.
  • the mixture present in the space above the recess 81 enters the recess 81, and further passes through the opening 106d of the guard 106 from the recess 81. It enters into the dome-shaped cover 93.
  • the rice grains entering the dome-shaped cover 93 from the opening 106d of the guard 106 in the rotation stopped state are sheared between the stationary spoke 106c and the rotating pulverizing blade 92, so that the pulverization can be performed efficiently.
  • the rib 93e provided on the dome-shaped cover 93 moderately suppresses the flow of the mixture containing rice grains and water (the flow in the same direction as the rotation of the grinding blade 92), so that the rice grains are efficiently crushed.
  • the first cutting blade 921a and the second cutting blade 922a of the crushing blade 92 rotate at different positions from the bottom surface of the bread container 80 (specifically, the bottom surface of the recess 81). Yes.
  • the rice grains sucked into the dome-shaped cover 93 from the opening 106d of the guard 106 are first easily cut by the first cutting blade 921a (the rotation track surface is substantially parallel to the horizontal plane). ing. Then, the rice grains pushed upward from the bottom by the flow of the mixture in the dome-shaped cover 93 are easily cut by the second cutting blade 922a.
  • the first cutting blade 921a and the second cutting blade 922b are rotated more rapidly toward the outer peripheral side, so that the cutting ability is easily exhibited. For this reason, it is preferable that the outer peripheral sides of the cutting blades 921a and 922a are particularly sharp.
  • the crushing process is completed in a predetermined time (in this embodiment, 50 minutes).
  • the grain size of the pulverized powder may vary depending on the hardness of the rice grains and the environmental conditions.
  • the end of the pulverization process may be determined based on the magnitude of the load of the pulverization motor 60 (for example, it can be determined by the control current of the motor).
  • the pause process is executed according to a command from the control device 120.
  • This pause process is provided as a cooling period during which the temperature of the contents in the bread container 80 raised by the crushing process is lowered.
  • the reason for lowering the temperature is that the next kneading step is carried out at a temperature at which the yeast is active (for example, around 30 ° C.).
  • the pause process is a predetermined time (30 minutes). However, in some cases, the pause process may be performed until the temperature of the bread container 80 reaches a predetermined temperature.
  • the kneading process is started by a command from the control device 120.
  • the control device 120 drives the clutch solenoid 73 so that the clutch 56 transmits power (state shown in FIG. 3B).
  • the control device 120 controls the kneading motor 50 to rotate the blade rotating shaft 82 in the forward direction (counterclockwise rotation in FIGS. 8A and 8B and clockwise rotation in FIGS. 9A and 9B).
  • the grinding blade 92 When the blade rotation shaft 82 is rotated in the forward direction, the grinding blade 92 is also rotated in the forward direction. In this case, the crushing blade 92 rotates with the first cutting blade 921a and the second cutting blade 922a rearward in the rotation direction, and does not exhibit the crushing function. Due to the rotation of the grinding blade 92, the bread ingredients around the grinding blade 92 flow in the forward direction. Accordingly, when the dome-shaped cover 93 moves in the forward direction (clockwise in FIGS. 9A and 9B), the kneading blade 101 receives resistance from the non-flowing bread ingredients and is folded from the open position (see FIG. 9B). Change the angle to (see FIG. 9A).
  • the engaging portion 103bb of the second engaging body 103b has an angle that interferes with the rotation trajectory (see the broken line in FIG. 8A) of the engaging portion 103ab of the first engaging body 103a.
  • the cover clutch 103 connects the blade rotation shaft 82 and the dome-shaped cover 93, and the dome-shaped cover 93 enters a state of being driven in earnest by the blade rotation shaft 82.
  • the dome-shaped cover 93 and the kneading blade 101 in the folded position rotate together with the blade rotation shaft 82 in the forward direction.
  • the rotation of the blade rotation shaft 82 at the initial stage of the kneading process is preferably intermittent rotation or low speed rotation.
  • the complementary kneading blade 102 is arranged on the extension of the kneading blade 101, so that the kneading blade 101 is enlarged and the bread raw material is pressed strongly. It is. For this reason, the dough can be kneaded firmly.
  • the rotation of the kneading blade 101 (this term is used as an expression including the complementary kneading blade 102 in the folded position, the same applies hereinafter) is very slow in the initial stage of the kneading process, and the speed is increased stepwise.
  • Control is performed by the control device 120.
  • the control device 120 drives the automatic charging solenoid 16 so that the movable hook 42c of the bread ingredient storage container 42 supports the container lid 42b. Let go. Thereby, the opening of the container main body 42a is opened, and for example, bread ingredients such as gluten and dry yeast are automatically charged into the bread container 80.
  • the bread raw material storage container 42 is provided with a coating layer inside the container body 42a and the container lid 42b to improve slipping, and is devised so that there is no uneven portion inside. Yes. Furthermore, the situation where the bread raw material is caught by the packing 42d is also suppressed by the device for arranging the packing 42d. For this reason, the automatic charging is completed with almost no bread ingredients remaining in the bread ingredient storage container 42.
  • the bread ingredients stored in the bread ingredient storage container 42 are charged while the kneading blade 101 is rotating.
  • the present invention is not limited to this, and the kneading blade 101 is stopped. You may decide to throw in in the state which is carrying out.
  • the bread ingredients stored in the bread ingredient storage container 42 are put into the bread container 80, the bread ingredients are kneaded into a dough connected to one having a predetermined elasticity by the rotation of the kneading blade 101. Go.
  • the kneading blade 101 swings the dough and knocks it against the inner wall of the bread container 80, an element of “kneading” is added to the kneading.
  • the dome-shaped cover 93 also rotates.
  • the rib 93e formed on the dome-shaped cover 93 also rotates, so that the bread material in the dome-shaped cover 93 is quickly discharged from the window 93d and the kneading blade 101 kneads the bread. Assimilate into a lump of material.
  • the guard 106 also rotates in the forward direction together with the dome-shaped cover 93.
  • the spoke 106c of the guard 106 has a shape in which the center side of the guard 106 precedes and the outer peripheral side of the guard 106 follows when rotating in the forward direction.
  • the guard 106 rotates in the forward direction to push the bread ingredients (bread dough) inside and outside the dome-shaped cover 93 outward with the spokes 106c. Thereby, the ratio of the raw material used as a waste after baking bread can be reduced.
  • the pillar 106e of the guard 106 is configured such that when the guard 106 rotates in the forward direction, a side surface 106eb that is the front surface in the rotational direction is inclined upward. For this reason, at the time of kneading, the bread material (bread dough) around the dome-shaped cover 93 is splashed upward on the side surface 106eb of the column 106e. Since the boiled bread material is assimilated into the lump (dough) of the upper bread material, the proportion of the raw material that becomes waste after baking the bread can be reduced.
  • a predetermined time (10 minutes in this embodiment) obtained experimentally as a time for obtaining bread dough having a desired elasticity is employed as the time for the kneading process.
  • the time of the kneading process is constant, the degree of bread dough may vary depending on the environmental temperature or the like. For this reason, for example, a configuration in which the end point of the kneading process is determined based on the magnitude of the load of the kneading motor 50 (for example, it can be determined by the control current of the motor) may be used.
  • ingredients for example, raisins, nuts, cheese, etc.
  • the ingredients may be introduced during the kneading process.
  • the fermentation process is started by a command from the control device 120.
  • the control device 120 controls the sheathed heater 31 to maintain the temperature of the baking chamber 30 at a temperature at which fermentation proceeds (for example, 38 ° C.). Then, the bread dough is left for a predetermined time (in this embodiment, 60 minutes) in an environment in which fermentation proceeds.
  • the kneading blade 101 may be rotated to perform degassing or rounding of the dough.
  • the firing process is started by a command from the control device 120.
  • the control device 120 controls the sheathed heater 31 to increase the temperature of the baking chamber 30 to a temperature suitable for baking (for example, 125 ° C.). Then, the control device 120 performs control so that the bread is baked in a baking environment for a predetermined time (in this embodiment, 50 minutes).
  • the end of the firing process is notified to the user by, for example, a display on the liquid crystal display panel of the operation unit 20 or a notification sound.
  • the user detects the completion of bread making, the user opens the lid 40 and takes out the bread container 80 to complete the bread production.
  • the bread in the bread container 80 can be taken out by, for example, directing the opening of the bread container 80 obliquely downward. Simultaneously with the removal of the bread, the blade unit 90 attached to the blade rotation shaft 82 is also removed from the bread container 80. Due to the presence of the guard 106, the user does not touch the crushing blade 92 during the bread removal operation, and the user can safely perform the bread removal operation. At the bottom of the bread, burn marks of the kneading blade 101 of the blade unit 90 and the complementary kneading blade 102 (projecting upward from the recess 81 of the bread container 80) remain. However, since the dome-shaped cover 93 and the guard 106 are accommodated in the recess 81, they are prevented from leaving a large burn mark on the bottom of the bread.
  • the first cutting portion 921 is substantially parallel to the horizontal plane
  • the second cutting portion 922 is inclined with respect to the horizontal plane.
  • both cutting parts may be configured to be substantially parallel to the horizontal plane, or both cutting parts may be configured to be inclined with respect to the horizontal plane.
  • the configuration is the present invention. Included in the range.
  • the present embodiment it is preferable that one is substantially parallel to the horizontal plane and the other is inclined with respect to the horizontal plane.
  • pulverization capability of a rice grain can be improved, making the flow (circulation) of the mixture containing a rice grain smooth.
  • the first cutting blade 921a of the first cutting portion 922 (substantially parallel to the horizontal plane) is replaced by the second cutting portion 922 (inclined with respect to the horizontal plane).
  • the present invention also includes such a configuration.
  • the cushioning material 107 is a separate member from the kneading blade 101 and is fixed to the kneading blade 101 with the rivets 109.
  • the fixing method of the buffer material 107 is not limited to the fixing by the rivet 109, and may be adhesive fixing or the like depending on the case.
  • the buffer material 107 may be configured integrally with the kneading blade 101 by a technique such as insert molding.
  • the cushioning material 107 is provided on one surface on the tip side of the kneading blade 101 so as to protrude from the tip of the kneading blade 101, but the present invention is not limited to this configuration. That is, the cushioning material 107 may be provided so that the kneading blade 101 and the bread container 80 do not come into direct contact when the kneading blade 101 is in the open posture. For example, it is possible to increase the thickness of the buffer material 107 so that the buffer material 107 does not protrude from the tip of the kneading blade 101. Further, the buffer material 107 may be configured to cover the tip of the kneading blade 101 (in this case, the buffer material exists on both surfaces of the kneading blade).
  • the cushioning material 107 is disposed on the kneading blade 101 side, but the present invention is not limited to this configuration. That is, the buffer material 107 may be arranged on the inner wall of the bread container 80. Also in this case, the kneading blade 101 and the bread container 80 can be prevented from coming into direct contact.
  • the automatic bread maker of this embodiment uses wheat flour or rice flour as a starting material, for example.
  • Bread can also be produced.
  • the grinding blade 92 is unnecessary, and therefore a bread container different from the one shown above (only the kneading blade is attached to the blade rotation shaft).
  • a conventional bread container) may be used.
  • the dome-shaped cover 93 including the kneading blade 101 and the guard 106 and the crushing blade 92 are unitized as the blade unit 90.
  • the present invention is applicable even when the dome-shaped cover 93 and the crushing blade 92 are separately attached to the blade rotation shaft 82.
  • the configuration and operation of the automatic bread maker have been described by taking as an example the case where rice grains are used as a starting material.
  • the present invention is also applicable when grain grains other than rice grains such as wheat, barley, straw, buckwheat, buckwheat, corn, and soybean are used as starting materials.
  • the above-described production flow of the rice grain breadmaking course is an example, and the rice grain breadmaking course may be another production flow.
  • the pause process after the grinding process may be omitted.
  • separate motors are used for the case where the grain is pulverized by the pulverizing blade 92 and the case where the bread dough is kneaded by the kneading blade 101.
  • the present invention is not limited to this configuration. That is, for example, only one motor may be provided, and the same motor may be used when the grain is crushed by the pulverizing blade 92 and when the bread dough is kneaded by the kneading blade 101.
  • an automatic bread maker that consistently performs the kneading process, the fermentation process, and the baking process starting from the pulverization process has been presented. It is also possible to configure the apparatus up to the fermentation process, or an apparatus that performs only the pulverization process and the kneading process. In this case, the firing process, or the fermentation process and the firing process, are left to an external device such as an oven.
  • the automatic bread maker of the present invention can be developed not only for home use but also for business use.
  • the present invention is suitable for an automatic bread maker for home use.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Food-Manufacturing Devices (AREA)
  • Baking, Grill, Roasting (AREA)

Abstract

L'invention concerne une machine à pain automatique (1) qui comprend une lame de broyage (92) tournant avec un arbre rotatif (82) présent au fond d'un contenant à pain (80), la lame de broyage (92) servant à broyer des grains de céréales à l'intérieur du contenant à pain (80). La lame de broyage (92) est pourvue d'une première section de coupe (921) comprenant une première arête tranchante (921a) et aussi d'une deuxième section de coupe (922) comprenant une deuxième arête tranchante (922a). La hauteur à laquelle la première arête tranchante (921a) tourne et la hauteur à laquelle la deuxième arête tranchante (922a) tourne sont au moins en partie différentes l'une de l'autre.
PCT/JP2011/063781 2010-07-12 2011-06-16 Machine à pain automatique WO2012008263A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011800343913A CN102984978A (zh) 2010-07-12 2011-06-16 自动制面包机

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2010-157809 2010-07-12
JP2010157809A JP2012019818A (ja) 2010-07-12 2010-07-12 自動製パン器
JP2010236954A JP2012085927A (ja) 2010-10-22 2010-10-22 自動製パン器
JP2010-236954 2010-10-22

Publications (1)

Publication Number Publication Date
WO2012008263A1 true WO2012008263A1 (fr) 2012-01-19

Family

ID=45469273

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/063781 WO2012008263A1 (fr) 2010-07-12 2011-06-16 Machine à pain automatique

Country Status (3)

Country Link
CN (1) CN102984978A (fr)
TW (1) TW201204299A (fr)
WO (1) WO2012008263A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6185909A (ja) * 1984-10-03 1986-05-01 東芝熱器具株式会社 食品調理機
US4613086A (en) * 1982-09-13 1986-09-23 Granum Michael J Food processing machine
US4752041A (en) * 1985-10-29 1988-06-21 Braun Aktiengesellschaft Electric food processing apparatus
JPS63160627A (ja) * 1986-12-24 1988-07-04 船井電機株式会社 自動製パン器
JPH0347050A (ja) * 1989-07-14 1991-02-28 Matsushita Electric Ind Co Ltd 豆腐用豆乳製造装置
JPH0359006U (fr) * 1989-10-06 1991-06-10
JPH11128087A (ja) * 1997-10-27 1999-05-18 Matsushita Electric Ind Co Ltd 自動製パン機
JP2010035475A (ja) * 2008-08-05 2010-02-18 Sanyo Electric Co Ltd 加熱調理食品生地製造方法
JP2010184083A (ja) * 2009-02-13 2010-08-26 Sanyo Electric Co Ltd 自動製パン機

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000116526A (ja) * 1998-10-13 2000-04-25 Matsushita Electric Ind Co Ltd 自動製パン機
JP2002000471A (ja) * 2000-06-26 2002-01-08 Matsushita Electric Ind Co Ltd 電気調理器
JP2009125516A (ja) * 2007-11-28 2009-06-11 Sanyo Electric Co Ltd 自動製パン器
CA2730170A1 (fr) * 2008-08-05 2010-02-11 Sanyo Electric Co., Ltd. Procede de production de pate alimentaire a cuire et procede de production de pain

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4613086A (en) * 1982-09-13 1986-09-23 Granum Michael J Food processing machine
JPS6185909A (ja) * 1984-10-03 1986-05-01 東芝熱器具株式会社 食品調理機
US4752041A (en) * 1985-10-29 1988-06-21 Braun Aktiengesellschaft Electric food processing apparatus
JPS63160627A (ja) * 1986-12-24 1988-07-04 船井電機株式会社 自動製パン器
JPH0347050A (ja) * 1989-07-14 1991-02-28 Matsushita Electric Ind Co Ltd 豆腐用豆乳製造装置
JPH0359006U (fr) * 1989-10-06 1991-06-10
JPH11128087A (ja) * 1997-10-27 1999-05-18 Matsushita Electric Ind Co Ltd 自動製パン機
JP2010035475A (ja) * 2008-08-05 2010-02-18 Sanyo Electric Co Ltd 加熱調理食品生地製造方法
JP2010184083A (ja) * 2009-02-13 2010-08-26 Sanyo Electric Co Ltd 自動製パン機

Also Published As

Publication number Publication date
TW201204299A (en) 2012-02-01
CN102984978A (zh) 2013-03-20

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