CN110710901A - Automatic rice washing device - Google Patents

Abstract

The invention relates to the technical field of household appliances, in particular to an automatic rice washing device. An automatic rice washing apparatus comprising: the shell is internally provided with a containing cavity; agitating unit, agitating unit sets up it is in to hold the cavity, agitating unit includes driving piece, planetary gear assembly and at least one stirring piece, the driving piece passes through planetary gear assembly drives at least one stirring piece rotation and revolution simultaneously. Can drive at least one stirring piece rotation and revolution simultaneously through setting up agitating unit, can help the device stirring of washing rice abundant, reinforcing cleaning performance. The technical problems of insufficient stirring and poor cleaning effect of the rice washing device in the prior art are solved.

Description

Automatic rice washing device

Technical Field

The invention relates to the technical field of household appliances, in particular to an automatic rice washing device.

Background

Since rice is mixed with impurities such as dust and pebble, the impurities are classified into water-soluble impurities and water-insoluble impurities, and the water-insoluble impurities are classified into floating impurities having a density lower than that of water and precipitation impurities having a density higher than that of water. In order to remove these impurities, rice washing becomes an essential link in the cooking process. At present, in the occasions such as daily cooking in a family, catering business, boxed meal production lines and the like, the rice washing process is completed by manpower, but the rice washing process is completed by only depending on the manpower, so that a plurality of defects exist: simple duplication of labor can waste a significant amount of labor, consume time, and increase labor costs in the production of goods. Therefore, the rice washing machine appears in the market to replace simple and repeated labor, reduce the time required by people to cook in daily life, realize the automatic production of the assembly line in the production process of commodities, reduce the labor cost, improve the production efficiency, and is safe and sanitary.

At present, rice washing machines with various structures appear, for example, an intelligent electric cooker is disclosed in the application document with the application number of CN201711482741.8, and specifically disclosed are: the rice storage device is provided with a rice washing cavity, and a rice outlet of the rice storage device conveys rice to the rice washing cavity until an electronic scale detects that the conveying weight reaches a set amount; after a water outlet of the water receiver conveys a quantitative water source to the rice washing chamber, controlling the stirrer to stir and wash; after the washing is finished, opening the water outlet until the rice washing water is completely discharged to the water accumulator, and then closing the water outlet; controlling a water outlet of the water storage device to convey purified water corresponding to the rice washing amount ratio into the rice washing chamber again; and opening the discharge port until the water and the rice in the rice washing chamber completely enter the inner container of the electric cooker, and closing the discharge port. The device can realize the function of washing rice, but the structure is too complex, the appearance is bigger, the placing position is limited, and the production is not facilitated; the stirring structure can not realize the full stirring effect on the rice in the rice washing chamber.

Further, as disclosed in application document CN201710971683.9, the present invention discloses an intelligent electric rice cooker, and specifically discloses: the rice cooker comprises an electric cooker body, wherein a supporting cylinder is arranged above the electric cooker body, a rice storage box, a rice measuring device, a rice washing device, a rice conveying device and a rice conveying plate are sequentially arranged in the supporting cylinder from top to bottom, the rice measuring device is driven by a first motor, blades driven by a second motor are arranged in the rice washing device, and the rice washing device is communicated with a water inlet pipe through a first electromagnetic valve; a rice sieve driven by a third motor is arranged in the rice conveying device, the rice conveying device is communicated with the water inlet pipe through a second electromagnetic valve, and the lower end of the rice conveying device is communicated with the water outlet pipe. The device can realize the effect of washing rice, but the volume is great, stirs inadequately, and the outlet pipe communicates with defeated rice ware lower extreme, can not reject light impurity, and cleaning performance is poor, breeds the bacterium easily, can not get rid of all kinds of impurity.

Disclosure of Invention

In order to solve the technical problems of insufficient stirring and poor cleaning effect of the rice washing device in the prior art, the invention provides an automatic rice washing device, which solves the technical problems.

The technical scheme of the invention is as follows:

an automatic rice washing apparatus comprising: the shell is internally provided with a containing cavity; the stirring device is arranged in the shell and comprises a driving piece, a planetary gear assembly and at least one stirring piece, and the driving piece drives at least one stirring piece to rotate and revolve simultaneously through the planetary gear assembly.

Can drive at least one stirring piece rotation and revolution simultaneously through setting up agitating unit, can help the device stirring of washing rice abundant, reinforcing cleaning performance.

Further, the planetary gear assembly comprises a driving gear, a planetary gear and an internal gear, the internal gear is fixedly installed on the inner top surface of the shell, the driving gear and the internal gear are arranged in a coaxial gap, the driving gear rotates under the driving of the driving piece, the planetary gear is meshed with the driving gear and the internal gear, the driving gear drives the stirring piece to rotate, and the planetary gear drives the stirring piece to rotate and revolve simultaneously.

Furthermore, a water draining device is further arranged in the shell, at least two water draining openings with different heights are formed in the lower end of the shell, and at least one water draining opening is arranged close to the inner bottom surface of the shell.

Furthermore, the drainer is top open-ended round platform form, the top diameter of drainer is greater than the bottom diameter, the bottom of drainer is hourglass hopper-shaped, the bottom face of drainer is provided with out the rice hole, it is provided with out the rice mouth to correspond on the bottom surface of shell go out the rice hole, it is provided with the opening and closing door to go out rice mouth department.

Furthermore, an opening and closing valve is arranged at the position of the water drainage port, the opening and closing valve is a rotary baffle, and the rotary baffle rotates under the driving of the steering engine.

Furthermore, a water inlet and a rice inlet are formed in the top end face of the shell, a water diversion groove and a rice diversion groove are formed in the side wall of the shell, water entering from the water inlet flows into the shell along the water diversion groove, and rice entering from the rice inlet falls into the drainer along a guide pipe in the rice diversion groove.

Furthermore, water introduced from the water guide groove washes the side wall of the drainer through a sprinkler, the sprinkler is positioned between the planetary gear assembly and the drainer and comprises an annular water channel, a plurality of sprinkling holes are circumferentially distributed on the wall of the annular water channel, and the water introduced from the water guide groove enters the annular water channel through the water inlet holes and then flows out of the sprinkling holes to the side wall of the drainer.

Further, the annular water conduit has a gap through which the outlet end of the conduit extends above the opening of the drainer.

The water-retaining plate is positioned between the planetary gear assembly and the sprinkler and comprises an inner baffle and an outer baffle, the inner baffle is in clearance and coaxially arranged on the inner periphery of the outer baffle, and the stirring piece driven by the planetary gear revolves along the clearance between the inner baffle and the outer baffle.

Further, internal gear, outer baffle and sprinkler from the top down stack gradually and fixed the setting on the interior top surface of shell, all open on internal gear with outer baffle with the water inlet with advance the through-hole that rice mouth corresponds, the internal diameter of sprinkler equals with the opening bore of waterlogging caused by excessive rainfall ware, the periphery wall of sprinkler meets with the internal perisporium of shell.

Based on the technical scheme, the invention can realize the following technical effects:

1. according to the automatic rice washing device, the stirring device is arranged to drive the at least one stirring piece to rotate and revolve at the same time, so that the rice washing device can be stirred fully, and the cleaning effect is enhanced; the automatic rice washing device is further provided with a stirring device which comprises a planetary gear assembly, the stirring piece is driven to rotate through a driving gear, the planetary gear drives the stirring piece to rotate and revolve at the same time, multiple rotation modes can be realized, and compared with the prior art that the stirring piece only performs single rotation motion, the automatic rice washing device has the advantages of full stirring and good cleaning effect; further, the rotating speed of the driving gear is the rotating speed of the driving part; the planetary gear revolves around the axis of the driving gear and rotates around the geometric center of the planetary gear; the rotating speed of the inner gear relative to the shell is zero, the epicyclic gear train structure is favorable for obtaining a larger reduction ratio, and meanwhile, the occupied space of the reduction gear is reduced, so that the purpose of compact structure is achieved;

2. the automatic rice washing device can realize the separation of rice and water by arranging the draining device in the shell, and the water outlet on the shell can be used for discharging water outside the draining device; the lower end of the shell is further provided with at least two water outlets with different heights, so that water with different stains can be discharged, and the higher water outlet can be used for discharging floating impurities with density smaller than that of the water; the water outlet at the lower part can be used for discharging the precipitated impurities with the density higher than that of water, and the water outlet at the lower part is further arranged close to the inner bottom surface of the shell, so that the precipitated impurities can be effectively discharged; the higher water outlet can be higher than the rice in the water filter, so that floating impurities can be effectively discharged, and the floating impurities are prevented from falling on the rice in the water filter under the action of gravity; an opening and closing valve is further arranged to control the opening and closing of the water outlet, and the water outlets with different heights can be controlled to be opened in sequence so as to discharge different impurities in sequence;

3. according to the automatic rice washing device, the rice can conveniently enter the drainer through the structure with the shape of the drainer and the rice outlet on the shell, the rice cleaned in the drainer can be conveniently discharged from the drainer and the shell, the rice outlet is provided with the opening and closing door which can control the opening and closing of the rice outlet, the opening and closing door is further arranged as a rotary baffle and is driven by the steering engine to rotate, and the clean rice can be controlled to be discharged from the rice washing device;

4. according to the automatic rice washing device, the shape of the drainer is set, so that water entering from the water inlet can fall onto the inner side wall of the drainer, rice adhered to the inner side wall of the drainer can be washed conveniently, and the rice is concentrated; an annular sprinkler is further arranged, water entering from the water inlet passes through the sprinkler and then flows out of a plurality of circumferentially distributed sprinkling control devices to fall onto a plurality of side walls of the drainer, so that the rice adhered to the side walls is completely flushed;

5. according to the automatic rice washing device, the water baffle is arranged, so that the effect of preventing rice washing water from splashing on the planetary gear assembly can be realized, the planetary gear assembly can be protected, and the service life of the planetary gear assembly is prolonged; the inner baffle and the outer baffle are arranged in a coaxial clearance mode, so that the planetary gear assembly can be protected under the condition that the planetary gear assembly is not hindered from driving the stirring piece to work;

6. according to the automatic rice washing device, the water inlet and the rice inlet are arranged close to the edge of the upper cover of the shell, the inner gear and the outer baffle are respectively provided with the through holes corresponding to the water inlet and the rice inlet, and the side wall of the shell is provided with the water diversion groove and the rice diversion groove, so that water and rice can respectively enter the sprinkler and the water dropping device along the guide pipes in the water diversion groove and the rice diversion groove, a channel is not required to be additionally arranged in the shell to convey the water and the rice, the structure is compact, the size is small, the automatic rice washing device is convenient to disassemble and clean, the stirring range is large, various impurities can be removed, the whole process is intelligent and automatic, manual participation is not required, and the automatic rice washing device is.

Drawings

Fig. 1 is an exploded view of an automatic rice-washing apparatus according to the present invention;

FIG. 2 is a sectional view of the automatic rice washing apparatus;

FIG. 3 is a schematic structural view of the cartridge;

FIG. 4 is a schematic structural view of a drainer;

FIG. 5 is a schematic view of the sprinkler;

FIG. 6 is a schematic view of the combination of the barrel, sprinkler and drainer;

in the figure: 1-a housing; 11-a barrel body; 111-a drain outlet; 1111-a first drain opening; 1112-a second drain opening; 112-rice outlet; 113-opening and closing a door; 114-a flume; 115-rice guide groove; 12-upper cover; 121-a water inlet; 122-rice inlet; 2-a stirring device; 21-a drive member; 22-a planetary gear assembly; 221-a drive gear; 222-a planetary gear; 223-internal gear; 2231-a first through hole; 23-a stirring member; 3-draining the water device; 31-draining holes; 32-rice outlet; 4-a sprinkler; 41-annular water channel; 411-water inlet hole; 42-water spray holes; 43-notch; 5-a water baffle; 51-inner baffle; 52-outer baffle; 521-a second through hole; 6-a conduit.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1 to 6, the present embodiment provides an automatic rice washing apparatus, which includes a housing 1 and a stirring device 2 disposed therein, wherein rice and water are contained in the housing 1, and the stirring device 2 sufficiently stirs the rice to perform a function of washing the rice.

The shell 1 comprises a barrel body 11 and an upper cover 12, the barrel body 11 is in a cylindrical shape with an opening at the top end, the upper cover 12 can cover the opening of the barrel body 11, and the upper cover 12 can be hinged or clamped with the barrel body 11 so as to conveniently open the upper cover 12 and inspect and clean the inside of the shell 1. In order to facilitate the water and rice to enter the casing 1, the upper cover 12 is provided with a water inlet 121 and a rice inlet 122, the water can enter the inside of the casing 1 through the water inlet 121, and the rice can enter the inside of the casing 1 through the rice inlet 122. Preferably, the water inlet 121 and the rice inlet 122 are equidistant from the central axis of the housing 1, and both the water inlet 121 and the rice inlet 122 are disposed near the outer edge of the upper cover 12.

In order to facilitate the discharge of the water with impurities inside the housing 1, the cylinder 11 is further provided with at least two water outlets 111 for impurities with different densities, and the water outlets 111 are arranged at different heights, wherein at least one water outlet 111 is arranged close to the inner bottom surface of the housing 1 to discharge the precipitated impurities with higher density, and at least one water outlet 111 is arranged higher, preferably higher than the height of the rice to be cleaned, to discharge the floating impurities with lower density. In this embodiment, there are two water discharge ports 111, which are a first water discharge port 1111 and a second water discharge port 1112, respectively, the first water discharge port 1111 is higher than the second water discharge port 1112, and the second water discharge port 1112 is disposed near the inner bottom surface of the drum body 11 to discharge the precipitated impurities precipitated on the inner bottom surface of the drum body 11; the first drain port 1111 has a height higher than a height of a rated rice amount in the drum 11 to discharge floating impurities floating on the water surface or in the water. Preferably, an opening/closing valve is provided at the drain port 111 to control opening/closing of each drain port 111. So that the plurality of water discharge ports are opened in sequence to discharge the foreign substances. In this embodiment, when discharging water, the first water discharge port 1111 is opened to discharge floating impurities, and the second water discharge port 1112 is opened to discharge precipitated impurities.

In order to discharge the cleaned rice conveniently, a rice outlet 112 is formed in the bottom surface of the barrel 11, an opening and closing door 113 is arranged at the rice outlet 112, the opening and closing of the rice outlet 112 can be controlled through the opening and closing door 113, the opening and closing door 113 is closed in the cleaning process to prevent the rice and water in the shell 1 from flowing out, and after the cleaning is finished, the opening and closing door 113 is opened to discharge the cleaned rice. Preferably, the opening and closing door 113 is a rotary baffle, the rotary baffle is driven by a steering engine to rotate, and the steering engine drives the opening and closing door 113 to rotate by 90 degrees to be in a vertical state, so that the opening and closing door is completely opened.

In order to facilitate separation of rice and water in the shell 1, a water drainer 3 is further arranged in the shell 1, and the water drainer 3 is placed in the shell 1 and is convenient to take out for cleaning and replacement. Waterlogging caused by excessive rainfall ware 3 is top open-ended round platform form, and the top diameter of waterlogging caused by excessive rainfall ware 3 is greater than the bottom diameter, and the rice is from advancing rice mouth 122 back in getting into shell 1, falls into waterlogging caused by excessive rainfall ware 3 from the top opening of waterlogging caused by excessive rainfall ware 3 in, and the bottom of waterlogging caused by excessive rainfall ware 3 is hourglass hopper-shaped, and it has a plurality of waterlogging caused by excessive rainfall holes 31 to distribute on the waterlogging caused by excessive rainfall ware 3, and the bottom face of waterlogging caused by excessive rainfall ware 3 is provided with rice hole.

In order to control the water inflow, a sprinkler 4 is further arranged in the housing 1, the sprinkler 4 is positioned above the drainer 3, and water entering from the water inlet 121 flows into the drainer 3 under the distribution action of the sprinkler 4 to flush rice stuck on the side wall of the drainer 3. Specifically, the sprinkler 4 has an annular water channel 41, a plurality of sprinkler holes 42 are distributed on the inner peripheral wall of the annular water channel 41, and water entering from the water inlet 121 enters the annular water channel 41 and then flushes the side wall of the drainer 3 through the sprinkler holes 42. Preferably, the annular water channel 41 is not a closed ring, and has a gap 43, through which gap 43 rice is introduced. Specifically, the water inlet 121 and the rice inlet 122 are both disposed near the edge of the upper cover 12, the water guide groove 114 corresponding to the water inlet 121 is disposed at the opening of the barrel 11, the outer peripheral wall of the sprinkler 4 is connected to the inner wall of the opening of the barrel 11, and the outer peripheral wall of the annular water channel 41 is provided with a water inlet 411 communicated with the water guide groove 114, so that water entering through the water inlet 121 enters the sprinkler 4 through the water guide groove 114 and the water inlet 411. The opening of the barrel body 11 is also provided with a rice guiding groove 115 corresponding to the rice inlet 122, a guide pipe 6 is accommodated in the rice guiding groove 115, one end of the guide pipe 6 is communicated with the rice inlet 122, and the other end of the guide pipe 6 extends to the upper part of the opening of the drainer 3 to guide the rice into the drainer 3. Preferably, the conduit 6 is bent, and the conduit 6 extends through the gap 43 to above the opening of the drainer 3. Preferably, the annular water channel 41 may be an annular pipe with a gap 43 and two closed ends, or the annular water channel 41 may also be an annular water tank with a gap 43, and the water falling into the water guide tank 114 enters the annular water channel 41 through the water inlet 411.

Through the water and rice guiding structure, rice can fall into the drainer 3, water enters the sprinkler 4, and under the action of the sprinkler 4, the side wall of the drainer 3 is washed and cleaned, so that rice is prevented from being adhered to the side wall of the drainer 3; in addition, the water and rice guiding structure is arranged on the side wall of the barrel body 11, so that the compactness of the structure of the whole rice washing device can be improved, and the miniaturization is realized.

The stirring device 2 is arranged in the casing 1 to sufficiently stir and clean the rice and the water in the casing 1. The stirring device 2 comprises a driving piece 21, a planetary gear assembly 22 and a stirring piece 23, wherein the driving piece 21 is arranged in the upper cover 12, the driving piece 21 drives the planetary gear assembly 22 to rotate and/or revolve, and the planetary gear assembly 22 drives the stirring piece 23 to rotate and/or revolve. Specifically, the planetary gear assembly 22 includes a driving gear 221, a planetary gear 222 and an internal gear 223, the driving gear 221 is driven by the driving member 21 to rotate, the driving gear 221 is coaxially disposed with the internal gear 223 in a spaced manner, the planetary gear 222 is disposed between the driving gear 221 and the internal gear 223 and is engaged with the driving gear 221 and the internal gear 223, the internal gear 223 is fixed on the inner top surface of the upper cover 12, and when the driving gear 221 is driven by the driving member 21 to rotate, the driving gear 221 drives the planetary gear 222 to simultaneously rotate and revolve. The driving gear 221 and the planetary gear 222 are both connected with the stirring piece 23, the driving gear 221 drives the stirring piece 23 thereon to rotate, and the planetary gear 222 drives the stirring piece 23 thereon to simultaneously rotate and revolve. Preferably, at least two planetary gears 222 may be provided to rotate and revolve at the same time at least two stirring members 23. Preferably, the outer diameter of the internal gear 223 is equal to that of the upper cover 12, and two first through holes 2231 are formed in the internal gear 223 and correspond to the water inlet 121 and the rice inlet 122, respectively. Preferably, the stirring members 23 may be blade-shaped stirring members, or may be other stirring members, in this embodiment, the lower ends of the stirring members 23 are bifurcated, and there is no interference between the stirring members 23.

To protect the planetary gear assembly 22, a water deflector 5 is also provided within the housing 1, the water deflector 5 being located between the planetary gear assembly 22 and the sprinkler 4. In order not to influence the planetary gear 222 to drive the stirring piece 23 to work, the water baffle 5 comprises an inner baffle 51 and an outer baffle 52, the gap of the inner baffle 51 is positioned at the inner periphery of the outer baffle 52, an annular gap is formed between the inner baffle 51 and the outer baffle 52, and the stirring piece 23 can move along the annular gap. Specifically, the inner baffle 51 is fixedly connected with the driving gear 221, the stirring piece 23 on the driving gear 221 penetrates through the inner baffle 51 and extends into the drainer 3, and the outer baffle 52 and the inner gear 223 are fixed on the upper cover 12. Preferably, the outer baffle 52 is provided with two second through holes 521, and the two second through holes 521 correspond to the water inlet 121 and the rice inlet 122, respectively.

When the draining device is installed, the draining device 3 is placed in the casing 1, the inner gear 223, the outer baffle 52 and the sprinkler 4 are stacked from top to bottom and fixedly installed on the upper cover 12, the lower end of the sprinkler 4 is just connected with the upper end of the draining device 3, the diameter of the inner circumferential surface of the sprinkler 4 is equal to the diameter of the top opening of the draining device 3, and the outer circumferential surface of the sprinkler 4 is connected with the inner wall of the barrel 11. The rice inlet 122, the first through hole 2231, the second through hole 521 and the conduit 6 are communicated in sequence, and rice can enter the drainer 3 through the above structures; the water inlet 121, the first through hole 2231, the second through hole 521 and the water inlet 411 of the water guiding groove 115 are communicated in sequence, water can enter the sprinkler 4 through the structures and then is sprayed on the side wall of the drainer 3 through the water spraying holes 42; the stirring piece 23 extends into the drainer 3 through the inner baffle 51 or the gap between the inner baffle and the outer baffle, and fully stirs and cleans the water and the rice in the drainer 3.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (10)

1. An automatic rice washing device, comprising:

the device comprises a shell (1), wherein a containing cavity is formed in the shell (1);

agitating unit (2), agitating unit (2) set up in shell (1), agitating unit (2) are including driving piece (21), planetary gear assembly (22) and at least one stirring piece (23), driving piece (21) pass through planetary gear assembly (22) drive at least one stirring piece (23) rotation and revolution simultaneously.

2. The automatic rice washing device of claim 1, wherein the planetary gear assembly (22) comprises a driving gear (221), a planetary gear (222) and an internal gear (223), the internal gear (223) is fixedly installed on the inner top surface of the housing (1), the driving gear (221) and the internal gear (223) are coaxially arranged with a gap therebetween, the driving gear (221) is rotated by the driving member (21), the planetary gear (222) is engaged with the driving gear (221) and the internal gear (223), the driving gear (221) drives the stirring member (23) to rotate, and the planetary gear (222) drives the stirring member (23) to rotate and revolve simultaneously.

3. An automatic rice washing device according to claim 2, wherein a drainer (3) is further provided in the casing (1), the lower end of the casing (1) is provided with at least two water discharge ports (111) having different heights, and at least one of the water discharge ports (111) is provided near the inner bottom surface of the casing (1).

4. The automatic rice washing device of claim 3, wherein the drainer (3) is in the shape of a truncated cone with an open top end, the diameter of the top end of the drainer (3) is larger than that of the bottom end of the drainer, the bottom end of the drainer (3) is in the shape of a funnel, a rice outlet (32) is formed in the bottom surface of the drainer (3), a rice outlet (112) is formed in the bottom surface of the housing (1) corresponding to the rice outlet (32), and an open/close door (113) is arranged at the rice outlet (112).

5. The automatic rice washing device as claimed in claim 4, wherein an open/close valve is provided at the water outlet (111), the open/close valve (113) is a rotary baffle plate, and the rotary baffle plate is driven by the steering engine to rotate.

6. An automatic rice washing device as claimed in any one of claims 3 to 5, wherein the top end surface of the housing (1) is provided with a water inlet (121) and a rice inlet (122), the side wall of the housing (1) is provided with a water guide groove (114) and a rice guide groove (115), water entering from the water inlet (121) flows into the housing (1) along the water guide groove (114), and rice entering from the rice inlet (122) falls into the drainer (3) along the guide pipe (6) in the rice guide groove (115).

7. The automatic rice washing device as claimed in claim 6, wherein the water introduced from the water guide groove (114) washes the side wall of the water draining device (3) through a sprinkler (4), the sprinkler (4) is located between the planetary gear assembly (22) and the water draining device (3), the sprinkler (4) comprises an annular water channel (41), a plurality of sprinkler holes (42) are circumferentially distributed on the wall of the annular water channel (41), the water introduced from the water guide groove (114) enters the annular water channel (41) through the water inlet holes (411) and then flows out from the sprinkler holes (42) onto the side wall of the water draining device (3).

8. An automatic rice washing device according to claim 7, characterized in that the annular water channel (41) has a gap (43), and the outlet end of the conduit (6) extends through the gap (43) to above the opening of the drainer (3).

9. An automatic rice-washing device according to any one of claims 7-8, further comprising a water guard (5), said water guard (5) being located between said planetary gear assembly (22) and said sprinkler (4), said water guard (5) comprising an inner baffle (51) and an outer baffle (52), said inner baffle (51) being spaced apart and coaxially disposed at an inner periphery of said outer baffle (52), said planetary gear (222) driven agitator (23) revolving along the gap between said inner and outer baffles.

10. The automatic rice washing device of claim 9, wherein the inner gear (223), the outer baffle (52) and the sprinkler (4) are sequentially stacked and fixedly arranged on the inner top surface of the casing (1) from top to bottom, through holes corresponding to the water inlet (121) and the rice inlet (122) are formed in the inner gear (223) and the outer baffle (52), the inner diameter of the sprinkler (4) is equal to the opening diameter of the water drainer (3), and the outer peripheral wall of the sprinkler (4) is connected with the inner peripheral wall of the casing (1).

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