TWI601503B - Automatic rice cooker - Google Patents

Description

Automatic rice cooker

The present invention relates to an automatic risotto machine, and more particularly to an automatic risotto machine which can automatically wash rice before cooking, wash a pot after cooking, and cook rice in a device and drain after cooking.

A rice cooker generally refers to a device for cooking rice, such as an electronic rice cooker, a gas cooker, or the like, and in the present invention, is meant to be installed in a place where a group food service is provided (for example, a company, a military camp, Equipment from hospitals, schools, public offices, or hotels) used to cook large quantities of rice in a short period of time.

The currently commercially available risotto system is an in-line type rice cooking system in which a plurality of risotto devices are arranged along the length of the conveyor belt.

In the case of the current in-line risotto system, the continuous automatic risotto system includes a conveyor belt. In the automatic risotto system according to the related art, a conveyor belt, a support arm, a support member, and a furnace are included. In the heating chamber, the pot enters through an inlet and then exits through an outlet. The heating chamber is surrounded by a decorative panel having an insulating material embedded therein. The transport path of the conveyor belt includes an upper transport path and a lower transport path, and the ceiling of the heating chamber is near the upper portion of the pot on the upper transport path and is inclined toward the outlet. The pot on the lower transport path is linearly transported and heated by the flame of the stove so that the contents of the pot are boiled, and then the pot is transported obliquely upwards and steamed by the flame of the stove on the upper transport path.

However, in this prior art commercial in-line risotto system, since the pots are arranged along the length direction of the conveyor belt, a large installation space is required.

In addition, in the current commercial online risotto system, it is difficult to separately control the temperature of the furnace or the heating chamber, and all the pots entering the online system can only use a single cooking method.

In the current online risotto system, the cleaning device and the cooking device are separately configured and used, so the use and storage are cumbersome. That is to say, since the rice grains are washed by the washing equipment and then transferred to the cooking equipment for cooking, the processing is troublesome, and the installation area is also inconvenient to store according to the huge volume of the equipment, and in addition, since the equipment is expensive, it is necessary to separately purchase These devices also impose a cost burden.

It is an object of the present invention to provide a commercial automatic rice cultivating machine for providing a group food service or the like which can automatically wash rice before cooking, wash a pot after cooking, and cook rice in a device and cook it. After drainage.

Another object of the present invention is to provide an automatic rice cultivating machine which can stably supply rice and raw water to a pot and separately discharge water after washing and washing the pot to avoid a drainage facility failure.

Another object of the present invention is to provide an automatic rice cultivating machine which can automatically open and close a lid of a pan, stably pressurize the lid during cooking, and freely move between a standby position and an operating position for washing rice and Wash the pot without interference from other equipment and easily install various tools to clean the rice/pot.

According to another exemplary embodiment of the present invention, an automatic risotto machine includes a main body frame; a rice hopper receives rice from a rice storage bin and discharges a predetermined amount of rice each time; and a rice supply including a one-meter transmission passage a slidable device that supplies the rice discharged from the rice hopper to a pot; a raw water supply comprising a raw water supply passage slidably and supplying raw water supplied from the raw water supply to a pot; wherein the cooked rice pot is cooked; one is installed in the main body frame a pot heating and supporting unit for heating and supporting the pot; a lid drive for opening and closing a lid of the pot and pressing the lid during cooking; a washer comprising a multi-axis hinge unit And a cleaning tool mounted at one end of the multi-axis hinge unit; and a drainage unit that rotates between a standby position and an operating position, which extracts and discharges the washing water and the residue in the pot.

20‧‧‧Automatic rice cooker

110‧‧‧ Mainframe

111‧‧‧floor

112‧‧‧ Wheels

120‧‧‧pot heating and support unit

121‧‧‧Support bracket

122‧‧‧Load sensor

123‧‧‧pot heating unit

124‧‧‧

125‧‧‧ tilting cylinder

130‧‧‧ pot

131‧‧‧ Subject

132‧‧‧ cover

132a‧‧‧Handle part

132b‧‧‧Handle groove

140‧‧‧Cover drive

141‧‧‧Cover drive motor

142‧‧‧Cover driver board

143‧‧‧Cover drive shaft

144‧‧‧Cover drive rod

144a‧‧‧coupled hinge

145‧‧‧Coupling pressurizer

146‧‧‧Electric permanent magnet

147‧‧ ‧ spring

150‧‧‧ raw water supply

151‧‧‧ raw water supply channel

151a‧‧‧ raw water supply opening

151b‧‧‧ raw water discharge opening

152‧‧‧Fixed raw water supply channel

153‧‧‧ Raw water transmission channel drive motor

154‧‧‧ Raw water supply pipe

155‧‧‧ Raw water supply motor

160‧‧‧ rice supply

161‧‧ meters transmission channel

161a‧‧‧Supply opening

161b‧‧‧ discharge opening

162‧‧‧ fixed rice supply channel

163‧‧ meters transmission channel drive motor

170‧‧‧cleaner

171‧‧‧Multi-axis articulated unit

171a, 171b, 171c‧‧‧ joints

171d, 171e, 171f‧‧‧ joints

172‧‧‧Multi-axis articulated unit

172a‧‧‧ Connecting rod

172b‧‧‧ connecting rod

173‧‧‧Tool installation unit

174‧‧‧Tool holder

174a‧‧‧fixed hook

175‧‧‧cleaning tools

175a‧‧‧ head

175b‧‧‧Connecting Department

175c‧‧‧Tool body

175d‧‧‧Sewed seams

176‧‧‧cleaning tools

176a‧‧‧ head

176b‧‧‧Connecting Department

176c‧‧‧Tool body/pot cleaning component

176d‧‧‧Pot cleaning support members

177‧‧‧cleaning tools

177a‧‧‧ head

177b‧‧‧Connecting Department

177c‧‧‧Tool body

180‧‧‧Drainage unit

181‧‧‧First Drainage Unit

181a‧‧‧Draining straw

181b‧‧‧Draining straw rotating drive motor

181c‧‧‧Fixed bracket

181d‧‧‧fixed board

181e‧‧‧ lifting plate

181f‧‧‧Drain lift drive motor

182‧‧‧Second Drainage Unit

182a‧‧‧Draining straw

182b‧‧‧Drained straw rotating drive motor

182c‧‧‧Fixed bracket

182d‧‧‧fixed board

182e‧‧‧ lifting plate

182f‧‧‧Drain lift drive motor

190‧‧‧Exhaust fan

200‧‧‧ rice hopper

200a‧‧‧ intake pipe

200b‧‧‧Transmission tube

200c‧‧‧ hopper body

201‧‧‧Mimi

202‧‧‧hopper board

203‧‧‧Open and close plate drive motor

204‧‧‧Rotating bracket

204a‧‧‧Second link pin

205‧‧‧Rotary link

205a‧‧‧first link pin

206‧‧‧Opening and closing connecting rod

207‧‧‧Support link

208‧‧‧Opening and closing board

1 is a perspective view of an automatic rice cooker according to an exemplary embodiment of the present invention; and FIG. 2 is a rear perspective view of the automatic rice cooker according to an exemplary embodiment of the present invention, wherein the main frame of the automatic rice cooker is 3 is a rice hopper according to an exemplary embodiment of the present invention; FIG. 4 is a rice hopper, a rice supply, and a raw water supply according to an exemplary embodiment of the present invention; 5 is a rice feeder according to an exemplary embodiment of the present invention, and a raw water supply; FIGS. 6 and 7 show a drainage unit according to an exemplary embodiment of the present invention; FIG. 8 is a view of the present invention. a cleaner of an exemplary embodiment; FIG. 9 shows a tool mounting unit according to an exemplary embodiment of the present invention; FIGS. 10 to 12 show various examples of a tool body according to an exemplary embodiment of the present invention; 13 is a lid driver according to an exemplary embodiment of the present invention; FIG. 14 is an enlarged cross-sectional view showing a coupling presser of a lid driver according to an exemplary embodiment of the present invention; and FIG. An exemplary embodiment in accordance with the present invention The inclined cylinder of the embodiment.

According to an exemplary embodiment of the present invention, an automatic risotto machine includes a main body frame, a rice hopper receives rice from a rice storage hopper, and discharges a predetermined amount of rice each time, and a rice hopper including a one-meter transmission channel The slidable and supply rice discharged from the rice hopper to a pot, a raw water supply including a raw water supply passage, which slidably supplies the raw water supplied from the raw water supply to the pot for cooking a rice pot supplied, a pot heating and supporting unit installed in the main body frame for heating and supporting the pot, a lid drive for opening and closing the lid of the pot and pressing the lid during cooking; a washer comprising a multi-axis hinge unit and a cleaning tool mounted at one end of the multi-axis hinge unit; and a drainage unit rotating between a standby position and an operating position for extracting and discharging in the pot Cleaning water and residue.

Next, an automatic rice cooking machine according to an exemplary embodiment of the present invention will be described in detail in conjunction with an attached chart.

An automatic risotto machine according to an exemplary embodiment of the present invention can be installed in a place where a group food service is provided, such as a company, a military camp, a hospital, a school, a public service, a hotel, or the like, for cooking a large amount in a short time. Meter.

As shown in Figures 1 to 15, the automatic rice cultivating machine 20 according to the present invention comprises a main body frame 110, a pot 130 for cooking rice, a pot heating and supporting unit 120 for heating and supporting the pot, and a pot opening and closing unit. The lid drive 140 of the lid, a raw water supply 150, a rice supply unit 160, a washer 170, a drain unit 180, and a rice supply hopper 200.

The main body frame 110 is formed in a shape of a substantially rectangular parallelepiped, and the lower surface of the main body frame 110 has a bottom plate 111 for mounting the pot heating and supporting unit. If applied to the above-described cluster risotto system, the main body frame 110 can be fixedly mounted, but not limited thereto, the main body frame can also mount the wheel 112 at the lower portion of the bottom plate 111 for movement.

The front side of the main body frame 110 can have a plurality of meters and control panels. Here, a plurality of meters (not shown) may be installed with a plurality of sensors to display the sensed values. For example, the water temperature gauge receives the temperature signal of the supplied water sensed by the temperature sensor, and A sensing value is displayed, the heating unit temperature meter receives the temperature signal sensed by the temperature sensor, and displays a sensing value, the pot temperature meter can display the temperature of the pot, and the like.

In addition, the control panel can be installed on the front side or the upper part of the main body frame, or can be installed between two automatic rice cooking machines to integrally control the adjacent automatic rice cooking machine.

The pot heating and supporting unit 120 is mounted on the bottom plate of the main body frame 110, and the pot heating and supporting unit can heat and support the pot.

The pot heating and supporting unit 120 includes a pot heating unit 123 and a support bracket 121.

The pot heating unit 123 houses and heats the pot. Various heaters such as an induction cooker, an electric heater, or a gas burner may be installed at a lower portion of the pot heating unit 123 to heat the pot.

Further, the upper end portion of the inner wall of the pot heating unit 123 may have a plurality of rollers for allowing the upper end portion of the pot hanging on the pot heating unit 123 to rest thereon, and an openable door 124 may be formed in the pot The front side of the heating unit 123 can thus stably take out the heavy pot 130 after cooking.

A plurality of support brackets 121 are attached to the lower portion of the pot heating unit 123 to support the pot heating unit. A load cell 122 is mounted on the upper portion of the support bracket 121 and the pot heating unit 123 to sense the load of the pot.

Further, an inclined cylinder 125 is further installed at the lower portion of the pot heating and supporting unit 120 to obliquely raise the pot heating and supporting unit 120 such that the pot 130 is inclined.

The tilt cylinder 125 may be set, for example, as a cylinder (or the like. As shown in Fig. 15, one side of the tilt cylinder 125 is fixed to the bottom plate 111 of the main body frame 110, and the other side is Tiltly coupled to the pot heating unit 123. The tilting cylinder 125 is mounted on the lower portion of the pot heating and supporting unit 120 to tilt the pot heating and supporting unit obliquely, so that the heavy pot will be inclined after cooking, and is easy to clean or Drainage to promote the use of the risotto machine.

The exhaust fan 190 can be further mounted above the pot 130. The exhaust fan 190 mounted on the pan can quickly discharge the steam generated during cooking, thereby preventing the components of the rice cooker or the like from malfunctioning due to steam.

The lid 132 of the pan 130 can be opened and closed by the lid driver 140 to the body 131 of the pot.

The lid drive 140 opens and closes the lid 132 and presses the lid against the body 131 of the pan to maintain a predetermined pressure within the pan during cooking.

The lid drive 140 includes a lid drive motor 141, a lid drive shaft 143, a lid drive rod 144, and a coupling presser 145.

The cover drive lever 144 is coupled by a frame mounted on the cover drive plate 142 or the like for connection to the cover drive shaft 143. The cover drive motor 141 rotates the cover drive shaft 143.

The coupling presser 145 is detachably coupled to the cover 132 of the pan 130 and rotatably hinged to the cover drive lever 144 with a coupling hinge 144a. The coupling presser 145 coupled to the cover 132 of the pan 130 is rotatably hinged to the cover drive lever 144 such that when the cover drive lever is rotated and the cover 132 of the pan 130 is proximate to the body of the pan, the coupling pressurizer 145 can be The hinge is rotated to level the lid 132 by the weight of the lid 132 of the pan 130 such that the lid 132 of the pan can properly cover the body of the pan.

Further, an electro-permanent magnet 146 is attached to the end of the coupling presser 145 to couple the lid 132 of the pot. The electric permanent magnet 146 is placed in the lid of the pot A handle recess 132b of one of the handle portions 132a, the electric permanent magnet 146 is coupled to the lid 132 of the pot by magnetic attraction, and is detached from the lid 132 of the pot when an electric current is applied to release the magnetic force.

In addition, the coupling pressurizer 145 has a spring 147 to resiliently press the coupling pressurizer 145 and the electric permanent magnet 146 against the lid 132 of the pot, thereby assisting in maintaining the pressure within the pot during cooking.

The rice hopper 200 is located above the rear side of the pot. The rice hopper 200 receives the rice of the rice storage 201 installed on the bottom plate 111 of the main body frame, and discharges a predetermined amount of rice to the rice feeder 160 each time. Here, the rice storage 201 temporarily stores the raw material stored in the general equipment like rice or the like, and supplies the rice to the rice hopper, but the present invention is not limited thereto. The user can also directly supply the raw material like rice or the like to the rice storage 201 as needed.

The rice hopper 200 includes a hopper main body 200c, an opening and closing plate 208, and an opening and closing plate driving motor 203.

The hopper main body 200c has an intake pipe 200a connected to a suction pump (not shown) and a transfer pipe 200b connected to the rice storage 201, and when the suction pump is driven to generate vacuum suction in the hopper main body 200c, the rice storage 201 The rice is transferred to the hopper main body 200c via the transfer pipe 200b due to vacuum suction.

The lower end of the hopper main body 200c has a lower discharge port, and the opening and closing plate 208 opens and closes the lower discharge port. The opening and closing plate 208 is coupled to an opening and closing link 206, and the support link 207 is attached to the bottom surface of the hopper plate 202 and connected to an intermediate portion of the opening and closing link 206 for supporting the opening and closing link 206, and A rotating link 205 is rotatably coupled to the end of the opening and closing link 206 by the first link pin 205a as a medium.

The other end of the rotating link 205 is coupled to the opening and closing plate drive motor 203, and a rotating bracket 204 is coupled to the rotating link 205 by the second link pin 204a as a medium. Therefore, the opening and closing plate drive motor 203 can drive the opening and closing plate to open for a predetermined period of time, allowing the hopper main body 200c to discharge a predetermined amount of rice each time.

The rice feeder 160 is located below the rice supply hopper 200. The rice feeder 160 transfers and supplies the rice discharged from the rice hopper to the pot.

The rice feeder 160 includes a rice rice transmission channel 161, a fixed rice supply channel 162, and a one meter transmission channel drive motor 163, which are discharged from the rice hopper 200.

The rice transmission passage 161 is a rectangular passage having an approximately rectangular cross section, and a supply opening 161a is formed on an upper surface of the rice transmission passage 161 for supplying the rice discharged from the lower discharge port of the rice supply hopper via the supply opening, and a A discharge opening 161b formed at one end of the rice transmission passage for discharging the rice supplied to and transported by the supply opening 161a to the main body 131 of the pot via the discharge opening.

A fixed meter supply channel 162 is located below the meter transmission channel 161 to support the meter transmission channel. The fixed meter supply passage 162 has a roller therein so that the rice transmission passage 161 can slide on the roller. The fixed meter supply passage 162 includes a pulley or a sprocket driven by a rice transmission passage drive motor 163 in the passage, and the pulley or sprocket is coupled to the bracket of the fixed meter transmission passage so that the rice transmission passage 161 can be driven by the rice transmission passage motor The 163 drive slides forward and backward.

Further, the rice transmission passage 161 is installed such that one end thereof having the discharge opening 161b is inclined downward toward the pot, so that the rice of the rice feeder can be stably supplied to the pot without splashing from the main body of the pot, and the discharge opening It can also be placed close to the body of the pot.

The raw water supply 150 is located on the side of the rice feeder 160. The raw water supply 150 transmits and supplies raw water.

The raw water supply 150 includes a raw water supply passage 151 for conveying raw water, a fixed raw water supply passage 152, and a raw water transmission passage drive motor 153.

The raw water supply passage 151 includes a raw water supply opening 151a and a raw water discharge opening 151b like the rice transmission passage. When the raw water supply passage 151 slides forward, the raw water supplied from the raw water supply motor 155 is supplied to the raw water supply opening 151a via the raw water supply pipe 154.

The fixed raw water supply passage 152 is located below the raw water supply passage 151 to support the raw water supply passage. The fixed raw water supply passage 152 includes a roller and a pulley or a sprocket like a fixed rice supply passage, and a bracket such that the raw water supply passage 151 can be slid forward and backward by the raw water transmission passage drive motor 153.

Further, the raw water supply passage 151 is also installed such that one end thereof is inclined downward toward the pot, so that raw water can be stably supplied to the pot without splashing from the main body of the pot, and the discharge opening can be placed close to the pot. The place of the subject.

The rice supplied to the rice feeder 160 and the cooked pot 130 after the cooking are washed by a washer 170.

The washer 170 includes multi-axis hinge units 171 and 172, a tool mounting unit 173, and a cleaning tool 175 mounted at one end of the multi-axis hinge unit.

The multi-axis hinge units 171 and 172 include a plurality of joints 171a, 171b, 171c, 171d, 171e, and 171f, and a plurality of links 172a and 172b that are relatively rotated in directions perpendicular to each other. In the exemplary embodiment, the multi-axis hinge unit has a 5-axis joint, and the plurality of joints are rotatable relative to each other vertically.

For example, the first joint 171a and the second joint 171b are rotated in directions perpendicular to each other on the xy plane, and the fifth joint 171e and the sixth joint 171f are rotated in directions perpendicular to each other in the yz plane, so that the joint can be imaged in all directions. It is rotated in the x direction, the y direction, the z direction, or the like, and has an arbitrary point as a center point.

Since the multi-axis hinge unit can be moved to any position on the xyz plane, the cleaning tool can be mounted at one end of the multi-axis hinge unit, which can be moved vertically in the pot and rotated to wash the rice and the pot, thereby making the cleaning and cleaning more clean Smoothly wash the rice and the pot.

The tool mounting unit 173 is mounted on the joint 171f at one end of the multi-axis hinge unit. The tool mounting unit 173 includes a tool holder 174 that hooks and holds the cleaning tool, and the following will description. A fixing hook 174a is provided at one end of the tool holder 174 to hook and secure the lower surface of the head of the cleaning tool, as will be described below.

The tool holder 174 is formed of an electromagnet and placed in the head receiving portion of the cleaning tool, and is coupled to the cleaning tool when current is applied, and is detached from the cleaning tool when the current is cut off.

A plurality of cleaning tools that perform different functions are detachably coupled to the tool mounting unit 173.

The cleaning tools 175, 176 or 177 respectively include a head 175a, 176a or 177a held by the tool holder, a tool body 175c, 176c or 177c, and a connection portion 175b, 176b or 177b connecting the head to the tool body.

The tool body can be configured to configure various tools for performing various functions as needed.

Figure 10 shows a rice cleaning tool for washing rice before cooking. As shown in Fig. 10, the rice cleaning tool 175 has a plurality of hooks having a three-pronged fork shape. Each of the hooks has a slit 175d so that the rice and water in the pot can smoothly pass when the rice cleaning tool is rotated to wash the rice, thereby reducing the friction to easily wash the rice.

Figure 11 shows the pot cleaning tool for cleaning the pot after cooking. As shown in Fig. 11, the pot washing tool 176 includes a U-shaped pot washing member 176c whose outer side is composed of a soft material such as a sponge or the like, and a pot washing support member 176d supporting the pot washing member, the pot washing support member It is about the mouth shape, which has perforations that allow water to pass.

Figure 12 shows another example of a pot cleaning tool. The pot cleaning tool 177 of Fig. 12 includes a tool body 177c having a large cylindrical shape. The material of the tool body is elastic, and the hardness of the pot washing support member 176d composed of a sponge is higher than that of Fig. 11, and is more powerful when contacting the pot. Wash and pressurize the inside of the pot.

As described above, the tool mounting unit can selectively mount various desired tools, thereby washing the rice and the pot in a better and improved manner.

The water used for washing the rice or the pot by the washer 170 is discharged by the drain unit 180. In the present invention, the drainage unit separately discharges the water washed before the cooking and the water that has been washed before and after the cooking to improve the drainage function and the drainage facility is malfunctioning.

The drain unit 180 includes a first drain unit 181 that discharges the water of the pre-cooked rice, and a second drain unit 182 that discharges the water of the pot and the residue in the pot after cooking.

The first drain unit 181 and the second drain unit 182 are rotatable between a standby position and an operating position.

The first drain unit 181 and the second drain unit 182 include drain suction pipes 181a and 182a, respectively. The drain pipette is driven by the drain piper to drive the motors 181b and 182b to rotate between the standby position and the operating position. The bracket coupled to the drain pipe rotation drive motors 181b and 182b is coupled to the lift plates 181e and 182e, and the drain pipettes 181a and 182a are placed and passed through the bracket.

The lift plates 181e and 182e are coupled to the fixed plates 181d and 182d to be supported by the latter, and are driven by the drain lift drive motors 181f and 182f to vertically move along the fixed plates 181d and 182d.

The fixing plates 181d and 182d are stably supported by the fixing brackets 181c and 182c on the bottom plate 111 of the main body frame.

Therefore, the drain pipettes 181a and 182a are rotatable between the standby position and the operating position and vertically moved to adjust the drain suction of the drain. In other words, when the first drainage unit discharges only the rice washing water, the first drainage unit moves only in response to the water level of the rice washing water, so the water absorption is not strong, and in the case where the second drainage unit is to discharge the washing water and the residue. The second drain unit needs to be moved downward to gradually increase the suction force during the operation, thereby smoothly discharging all the residue left in the pot.

In the cluster type glutinous rice system proposed by the present invention, a plurality of glutinous rice machines can be disposed around a universal space, and the universal space can be used as a water supply and drainage system, and a storage space, so that a large amount of rice can be cooked, and No need for a large installation space, so you can achieve compact safety Each automatic rice cooker does not need to be separately installed with storage space, so that each rice cooker can also be installed compactly.

In addition, each rice cooker can be separately cooked or joined to cook, or can cook different recipes, not limited to a single recipe, so the risotto system can be expanded or operated flexibly according to the output of each rice cooker.

In the automatic risotto machine of the present invention, the action of cooking rice, washing rice before cooking, cleaning the pot after cooking, and draining after washing can be automatically performed in one apparatus without moving the pot.

In addition, the rice and raw water can be stably supplied to the pot by the rice supply and the raw water supply, and the plurality of cleaning tools can be automatically removed and driven by setting the configuration of the washer including the multi-axis hinge unit. In this way, the rice and the pot can be washed more cleanly and stably.

In addition, by setting the configuration in which a plurality of drainage units are moved between the standby position and the operating position to respectively discharge the water after washing the rice and after washing the pot, the drainage system failure can be avoided.

In addition, the automatic rice cooking machine can automatically open and close the lid of the pot, stably pressurize the lid during cooking, and freely move between a standby position and an operating position for washing rice and washing the pan, even if the cooking and washing are automatically performed. When the rice/pot is used, it will not be disturbed by other equipment.

It will be appreciated by those skilled in the art that the present invention is not limited to the above-described exemplary embodiments and the accompanying drawings, and various alternatives, modifications and variations can be made to the present invention without departing from the scope of the invention.

20 Automatic rice cooker 110 Main frame 111 Base plate 112 Wheels 120 Pot heating and support unit 130 Pot 131 Main body 132 Cover 190 Exhaust fan 201 Rice storage

Claims (21)

An automatic rice cooking machine comprising: a main body frame; a rice hopper receiving rice from a rice storage tank and discharging a predetermined amount of rice each time; a rice supply comprising a one-meter transmission passage, the slidable and The rice discharged from the rice hopper is supplied to a pot; a raw water supply comprising a raw water supply passage slidably supplying the raw water supplied from the raw water supply to a pot; the rice to be cooked therein a pot heating and supporting unit installed in the main body frame for heating and supporting the pot; a lid drive for opening and closing a lid of the pot and pressing the lid during cooking; a washer comprising a multi-axis hinge unit and a cleaning tool mounted at one end of the multi-axis hinge unit; and a drainage unit that rotates between a standby position and an operating position, the extraction unit being extracted and discharged Washing water and residue in the pot. The automatic rice cooking machine of claim 1, wherein the lid drive comprises: a coupling detachably coupled to the lid of the pot; a lid drive rod rotatably hinged to the coupling a pressure sensor; a cover drive shaft coupled to the cover drive lever and a cover drive motor for rotating the cover drive shaft. The automatic rice cooking machine according to claim 2, wherein the coupling pressurizer comprises an electric permanent magnet which is placed in a handle recess of a handle portion of the cover of the pot, the handle portion being magnetically The cover is attracted to the pot and is detached from the lid of the pot when an electric current is applied to relieve the magnetic force. The automatic rice cooking machine of claim 3, wherein the coupling pressurizer further comprises a spring resiliently pressing the electric permanent magnet against the lid of the pot. The automatic rice cooking machine according to claim 1, wherein the rice supply hopper comprises: a hopper main body, comprising: an intake pipe connected to a suction pump and a transmission pipe connected to the rice storage; Opening and closing the opening and closing plate of the lower discharge opening of the main body of the hopper; a connecting connecting rod coupled to the opening and closing plate and a supporting link connected to an intermediate portion of the opening and closing link for supporting the opening and closing link; a rotating link connected to one end of the opening and closing link; and an opening and closing plate driving motor that rotates the rotating link. The automatic rice cooking machine according to claim 1, wherein the rice feeder comprises: the rice rice transmission channel for discharging the rice feed hopper; and the fixed rice supply channel for slidably supporting the rice transmission channel And a meter transmission channel drive motor that slides the meter transmission channel forward and backward. The automatic rice cooking machine according to claim 1, wherein the rice conveying passage comprises: a supply opening formed on an upper surface of the rice conveying passage to supply the lower portion of the rice feeding hopper via the supply opening The rice discharged from the crucible is discharged, and a discharge opening formed at one end of the rice conveying passage to discharge the rice supplied and transported by the supply opening through the discharge opening, and the discharge opening is inclined downward toward the pot. The automatic rice cooking machine according to claim 1, wherein the raw water supply device comprises: the raw water supply passage conveying the supplied raw water; and a fixed raw water supply slidably supporting the raw water supply passage a passage; and a raw water transmission passage drive motor that slides the raw water supply passage forward and backward. The automatic rice cooking machine according to claim 8, wherein the raw water supply passage comprises: a raw water supply opening formed on an upper surface of the raw water supply passage to be supplied through the raw water supply opening for a lifetime Raw water discharged from the water supply pipe, and a raw water discharge opening formed at one end of the raw water supply passage, through which the raw water supplied and transported by the raw water supply opening is discharged, and the raw water The water discharge opening is inclined downward toward the pot. The automatic rice cooking machine according to claim 1, wherein the washer comprises: a multi-axis hinge unit including a plurality of joints that rotate relative to each other in a direction perpendicular to each other and a plurality of links; and an installation A tool mounting unit at one end of the multi-axis hinge unit, a cleaning tool is detachably coupled to the tool mounting unit. The automatic rice cooking machine of claim 10, wherein the tool mounting unit comprises a tool holder including a fixing hook. The automatic rice cooking machine according to claim 11, wherein the cleaning tool comprises: a head receiving portion for coupling the placed tool holder; and a tool body connected to the head receiving portion. The automatic rice cooking machine according to claim 12, wherein the tool holder is formed by an electromagnet and placed in the head receiving portion, and is coupled to the cleaning tool when an electric current is applied. The automatic rice cooking machine according to claim 12, wherein the tool main system has a rice cleaning tool in which a slit is formed and a plurality of hooks having a trigeminal shape. The automatic rice cooking machine according to claim 12, wherein the tool main system one pot cleaning tool comprises a pot cleaning member formed of a soft material and cleaning the pot when contacting an inside of the pot, and A pot cleaning supporting member for supporting the pot washing member, wherein the pot washing support member has a perforation for allowing water to pass therethrough. The automatic rice cooking machine according to claim 12, wherein the main system of the tool is formed into a cylindrical pot cleaning tool and the pot is cleaned when contacting an interior of the pot. The automatic rice cooking machine according to claim 1, wherein the drainage unit comprises: a first drainage unit that rotates between the standby position and the operating position, and extracts and discharges the washed rice in the pot after washing the rice Water; and a second drainage unit that rotates between the standby position and the operating position, which extracts and discharges the potting water and residue in the pot after cooking. The automatic rice cooking machine according to claim 17, wherein the first and second drainage units each comprise: a drain pipe; a drain rotation drive motor that rotates the drain pipe between the standby position and the operating position a lifting plate coupled to the drain pipe; a drain lift drive motor for lifting the lift plate; and a fixed plate coupled to the lift plate to support the lift plate. The automatic rice cooking machine according to claim 1, wherein the pot heating and supporting unit comprises: a pot heating unit heating the pot when accommodating the pot; a plurality of support brackets supporting the pot heating unit; and a A load sensor mounted to an upper portion of the support bracket to sense a load of the pot. The automatic rice cooking machine according to claim 19, wherein the pot heating and supporting unit further comprises a tilting cylinder having one side fixed to a bottom plate of the main body frame and the other side inclined And coupled to the pot heating unit; and the tilt cylinder system is mounted on a lower portion of the pot heating and supporting unit side to lift the pot heating and supporting unit obliquely. The automatic rice cooking machine according to claim 1, further comprising: an exhaust fan installed in the pot to discharge steam generated during cooking.