Automatic rice washing and packaging equipment

Abstract

The application discloses an automatic rice washing and sub-packaging device, which comprises a rack, a rice washing mechanism, a sub-packaging mechanism and the like. The rice washing mechanism comprises a rice washing box arranged on the rack and provided with a rice outlet at the bottom. The sub-packaging mechanism comprises a bowl outlet guide groove arranged on the rack, a bowl separating assembly and a cover separating assembly arranged above the bowl outlet guide groove, and a bowl pushing assembly rotatably arranged on the rack. The bowl separating assembly sequentially puts bowls into the bowl outlet guide groove, and the bowl pushing assembly pushes the bowls to sequentially pass below the rice outlet and below the cover separating assembly along the bowl outlet guide groove. The present application realizes full-automatic sub-packaging without manual operation. After steaming, the rice box is one-person-sized, and sub-packaging is not needed after the rice is steamed. The production line process of manual rice washing, sub-packaging and carrying is reduced, and the operation is convenient and can be remotely controlled.

Description

Technical Field

[0001] This invention relates to the field of rice washing and packaging equipment, and in particular to an automatic rice washing and packaging equipment. Background Technology

[0002] Most restaurants, schools, and factories require large quantities of bento boxes. Currently, in the market, the rice washing equipment in large-scale rice steaming equipment only washes the rice, drains the water, and then puts it all into the steaming chamber for steaming. The steamed rice needs to be manually portioned into single-serving bento bowls and then packaged. This process requires manual handling and packaging, necessitating a high level of hygiene and ensuring the health and safety of the operators. However, safety hazards remain, and the system suffers from high labor costs, low production efficiency, and food safety risks.

[0003] For example, Chinese Patent Publication No. CN107157313A, published on September 15, 2017, entitled "An Intelligent Rice Steamer," includes: a shell, with a heating control device inside; water inlets and outlets for water filling and draining are respectively provided on the outside of the shell; an inner pot, which is detachably installed inside the shell and rotated by a motor, and the inner pot washes rice by rotating; and a rice storage bin, which is adjustablely connected to the inner pot. The intelligent rice steamer of this invention has rice filling, rice washing, and rice steaming functions, and has a compact structure and small footprint.

[0004] The drawbacks of existing patents are that existing rice washing equipment only has the function of washing rice. The washed rice is put into the rice steamer in batches, and the cooked rice needs to be manually packaged. The operation requires manual handling and packaging, which results in high labor costs, low production efficiency and food safety risks. Summary of the Invention

[0005] The purpose of this invention is to solve the problems of existing rice washing equipment that only has the function of washing rice, where washed rice is put into a batch into a rice steamer, and the cooked rice needs to be manually divided and packaged. The operation requires manual handling and packaging, which results in high labor costs, low production efficiency and food safety hazards. The invention provides an automatic rice washing and packaging equipment that automatically portions and packages rice into bowls after washing, eliminating manual packaging and improving food hygiene.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] An automatic rice washing and dispensing device includes:

[0008] frame;

[0009] A rice washing mechanism, comprising a rice washing box mounted on the frame, wherein the bottom of the rice washing box has a rice inlet.

[0010] The dispensing mechanism includes a bowl-dispensing guide trough mounted on a frame, a bowl-dispensing component and a lid-dispensing component located above the bowl-dispensing guide trough, and a bowl-pushing component rotatably mounted on the frame. The bowl-dispensing component sequentially places bowls into the bowl-dispensing guide trough, and the bowl-pushing component pushes the bowls along the bowl-dispensing guide trough, passing under the rice inlet and under the lid-dispensing component. This rice washing and dispensing equipment achieves fully automated rice washing and dispensing, featuring a novel structure, high level of intelligence, and convenient operation. It can be completed in a sterilized, unmanned operating room, requiring only remote operation by the operator.

[0011] Working principle: An empty bowl is placed on the bowl-separating assembly, and the lid is placed on the lid-separating assembly. Rice is then placed into the rice washing box through the inlet, where it is washed. The bowl-separating assembly guides the bowls one after another into the bowl-inlet guide groove. The empty bowl is driven along the bowl-inlet guide groove by the bowl-pushing assembly, passing through the rice inlet. The washed rice falls into the empty bowl from the rice inlet. The bowl containing rice then passes under the lid-separating mechanism along the bowl-inlet guide groove. The lid-separating assembly places the lid on top of the empty bowl containing rice. The bowl-pushing assembly pushes the lid-covered bowl out of the bowl-inlet guide groove into the next step of the production line. This achieves fully automatic, manual packaging. After steaming, the rice is already in a single-serving lunchbox, eliminating the need for separate packaging after steaming. This reduces the manual rice washing, packaging, and handling processes in the production line, making it easy to operate and remotely controllable.

[0012] Preferably, the bowl-separating assembly includes a bowl-separating bracket mounted on the frame and a spiral bowl-separating assembly mounted below the bowl-separating bracket. Bowls are stacked vertically inside the bowl-separating bracket, and the edges of the bowls located at the bottom of the bowl-separating bracket are limited on the spiral bowl-separating assembly. Rotating the spiral bowl-separating assembly causes the bowls to fall into the bowl-out guide groove. The bowl-separating bracket includes several bowl-separating support rods vertically mounted on the frame.

[0013] Preferably, the lid-separating assembly includes a lid-separating bracket mounted on the frame and a spiral lid-separating assembly disposed below the lid-separating bracket. The lids are stacked vertically inside the lid-separating bracket, and the edge of the lid located at the bottom of the lid-separating bracket is limited on the spiral lid-separating assembly. Rotating the spiral lid-separating assembly causes the lid to fall into the bowl guide groove and onto the bowl below the lid-separating assembly. The lid-separating bracket includes several lid-separating support rods vertically mounted on the frame.

[0014] Preferably, the spiral bowl-separating assembly includes several bowl-separating shafts rotatably mounted on a frame and a bowl-separating actuator for driving the bowl-separating shafts to rotate. The axes of the bowl-separating shafts are vertically distributed, and a first spiral blade is provided on the outer side wall of the bowl-separating shafts. The several bowl-separating shafts are circumferentially distributed according to the bowls stacked vertically on the bowl-separating support, and the edge of the empty bowl at the lowest end of the bowl-separating support is limited on the first spiral blade.

[0015] Preferably, the spiral cap-dispensing assembly includes several cap-dispensing shafts rotatably mounted on a frame and a cap-dispensing actuator for driving the shafts. The shafts are vertically oriented, and a second spiral blade is provided on their outer side wall. The shafts are arranged circumferentially according to the caps stacked vertically on the cap-dispensing support, with the edge of the cap at the lowest end of the support positioned on the second spiral blade. The rotation frequency of the bowl-dispensing shaft and the cap-dispensing shaft is adjusted according to the actual production speed. A belt is fitted around the circumferentially oriented bowl-dispensing shafts, and the bowl-dispensing actuator drives the shafts to rotate in the same direction via the belt drive, causing the edge of the empty bowl to slide along the first spiral blade of the bowl-dispensing shaft and fall into the bowl guide groove. Similarly, a belt is fitted around the circumferentially oriented cap-dispensing shafts, and the cap-dispensing actuator drives the shafts to rotate in the same direction via the belt drive, causing the edge of the cap to slide along the second spiral blade of the cap-dispensing shaft and fall into the cap guide groove.

[0016] Preferably, the bowl-dispensing assembly includes a rotating rod rotatably mounted below the frame and a lever driven by the rotating rod to slide within the bowl-dispensing guide groove. The bottom end of the bowl-dispensing guide groove has sliding grooves distributed along the bowl-dispensing direction. The lower end of the lever assembly passes through the sliding grooves and connects to the rotating rod. A sliding groove is provided at the connection point between the rotating rod and the lever, and the lower end of the lever is slidably mounted within the sliding grooves, which are distributed along the length of the rotating rod. The outer wall of the lower end of the lever has a rotating groove that cooperates with the rotating rod. The lever is limited between the rotating rod and the dispensing platform. The bowl-dispensing assembly also includes a rotating motor that rotates the rotating rod. The rotating motor rotates the rotating rod, causing the lever to move along one end of the sliding groove within the bowl-in guide groove. The lower end of the lever moves along the sliding groove of the rotating rod, preventing the lever and the rotating rod from jamming. The rotation angle of the rotating rod is pre-set so that the empty bowl stops below the rice inlet.

[0017] Preferably, the rice washing device further includes a water inlet pipe extending into the rice washing box, a water filling pipe located outside the rice outlet, a sealing cap rotatably disposed at and cooperating with the rice outlet, and a rice washing rod rotatably disposed inside the rice washing box, the rice washing rod having rice washing teeth for washing rice. The water filling pipe injects a certain amount of water into the bowl after the rice is poured into the rice outlet.

[0018] Preferably, the rice washing device further includes a rice trough located at the bottom of the rice washing box, a rice-discharging screw rotatably disposed within the rice trough, and a water-filtering chamber located below the rice trough. The rice-discharging screw engages with the inner wall of the rice trough, and the inner wall of the rice trough has several water-filtering holes that connect the rice washing box and the water-filtering chamber. The water-filtering chamber discharges the rice washing water out of the rice washing box through a drain pipe. The rice in the rice trough is moved to the rice outlet by the rice-discharging screw. The rice trough has several water-filtering holes that filter the rice washing water out of the water-filtering chamber. The washed rice falls from the rice outlet into an empty bowl located below the rice outlet, where clean purified water is then added.

[0019] Preferably, the bowl-dispensing guide channel includes a first bowl-dispensing guide channel and a second bowl-dispensing guide channel sequentially along the bowl-dispensing direction. The bowl-dispensing direction of the first bowl-dispensing guide channel and the bowl-dispensing direction of the second bowl-dispensing guide channel are not on the same straight line. The first bowl-dispensing guide channel and the second bowl-dispensing guide channel are connected by a transition corner. The bowl-separating assembly is located above the first bowl-dispensing guide channel, the rice inlet is located above the transition corner, and the lid-separating assembly is located above the second bowl-dispensing guide channel. When the lever moves the bowl from the first bowl-dispensing guide channel to the transition corner, the rice inlet is exactly above the bowl rim. The transition corner acts as a limit, preventing the bowl from sliding directly into the second bowl-dispensing guide channel, thus providing a certain amount of resistance.

[0020] Preferably, the water inlet pipe is connected to the water filling pipe, and the water inlet end of the water inlet pipe extending into the rice washing box is equipped with a water inlet metering control device, and the water filling end of the water filling pipe is equipped with a water filling metering control device.

[0021] Therefore, the present invention has the following beneficial effects: it realizes fully automatic unmanned packaging, and the rice is a single-serving lunch box after steaming. There is no need to repackage the rice after it is steamed, which reduces the production line process of manual rice washing, packaging and handling. It is easy to operate and can be remotely controlled. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of one structure of the present invention.

[0023] Figure 2 This is a schematic diagram of a structure containing a bowl and a lid in this invention.

[0024] Figure 3 This is another structural schematic diagram of the present invention.

[0025] Figure 4 This is a perspective view of the present invention.

[0026] Figure 5 This is a cross-sectional view of the present invention.

[0027] Figure 6 This is a top view of the present invention.

[0028] Figure 7 yes Figure 6 A cross-sectional view at point AA.

[0029] Figure 8 This is a schematic diagram of one structure of the bowl-turning component in this invention.

[0030] As shown in the picture:

[0031] Rack 1

[0032] Rice washing box 2, rice outlet 2.1,

[0033] Bowl ejection guide groove 3, sliding groove 3.1, first bowl ejection guide groove 3.2, second bowl ejection guide groove 3.3,

[0034] 4. Bowl separating bracket; 5. Lid separating bracket; 6. Bowl separating hinge; 7. Lid separating hinge.

[0035] Rotating rod 8, sliding groove 8.1,

[0036] 9. Lever; 10. Inlet pipe; 11. Water filling pipe; 12. Sealing cap; 13. Rice washing rod

[0037] Rice trough 14, water filter hole 14.1,

[0038] 15. Rice feed screw, 16. Water filter chamber, 17. Water inlet metering control device, 18. Water addition metering control device, 19. Drain pipe. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0040] like Figures 1 to 8 In the illustrated embodiment, an automatic rice washing and dispensing device includes:

[0041] Rack 1;

[0042] The rice washing mechanism includes a rice washing box 2 mounted on a frame 1, and a rice discharge port 2.1 at the bottom of the rice washing box 2.

[0043] The dispensing mechanism includes a bowl-dispensing guide trough 3 mounted on the frame 1, a bowl-dispensing component and a lid-dispensing component located above the bowl-dispensing guide trough 3, and a bowl-pushing component rotatably mounted on the frame 1. The bowl-dispensing component sequentially places bowls into the bowl-dispensing guide trough 3, and the bowl-pushing component pushes the bowls along the bowl-dispensing guide trough 3, passing below the rice inlet 2.1 and below the lid-dispensing component. This rice washing and dispensing equipment achieves fully automatic rice washing and dispensing, and has the advantages of novel structure, high degree of intelligence, and convenient operation.

[0044] The automatic rice washing and packaging equipment described in the above embodiments achieves fully automated, manual packaging. The cooked rice is packaged into single-serving lunch boxes, eliminating the need for separate packaging after cooking. This reduces the manual rice washing, packaging, and handling processes required in the production line. It is easy to operate and can be remotely controlled. This solves the problems of existing rice washing equipment, which only has a washing function, requiring batches of washed rice to be placed into the steaming box, and then manually packaging the cooked rice. The process involves manual handling and packaging, resulting in high labor costs, low production efficiency, and potential food safety hazards.

[0045] like Figure 1 , Figure 2 , Figure 3As shown, the bowl-separating assembly includes a bowl-separating bracket 4 mounted on the frame 1 and a spiral bowl-separating assembly positioned below the bowl-separating bracket 4. Bowls are stacked vertically within the bowl-separating bracket 4. The edge of the bowl at the bottom of the bowl-separating bracket 4 is positioned on the spiral bowl-separating assembly. Rotating the spiral bowl-separating assembly causes the bowl to fall into the bowl-out guide groove 3. The bowl-separating bracket 4 includes several bowl-separating support rods vertically mounted on the frame 1. The lid-separating assembly includes a lid-separating bracket 5 mounted on the frame 1 and a spiral lid-separating assembly positioned below the lid-separating bracket 5. Lids are stacked vertically within the lid-separating bracket 5. The edge of the lid at the bottom of the lid-separating bracket 5 is positioned on the spiral lid-separating assembly. Rotating the spiral lid-separating assembly causes the lid to fall into the bowl-out guide groove 3 and land above the bowl below the lid-separating assembly. The lid-separating bracket 5 includes several lid-separating support rods vertically mounted on the frame 1.

[0046] like Figure 1 , Figure 2 , Figure 3 As shown, the spiral bowl-separating assembly includes several bowl-separating shafts 6 rotatably mounted on the frame 1 and a bowl-separating actuator for driving the rotation of the bowl-separating shafts 6. The axes of the bowl-separating shafts 6 are vertically distributed, and first spiral blades are provided on the outer side walls of the bowl-separating shafts 6. The several bowl-separating shafts 6 are circumferentially distributed according to the bowls stacked vertically on the bowl-separating support 4. The edge of the empty bowl located at the lowest end of the bowl-separating support 4 is limited on the first spiral blades. The spiral lid-separating assembly includes several lid-separating shafts 7 rotatably mounted on the frame 1 and a lid-separating actuator for driving the lid-separating shafts 7. The axes of the lid-separating shafts 7 are vertically distributed, and second spiral blades are provided on the outer side walls of the lid-separating shafts 7. The several lid-separating shafts 7 are circumferentially distributed according to the lids stacked vertically on the lid-separating support 5. The edge of the lid located at the lowest end of the lid-separating support 5 is limited on the second spiral blades. The rotation frequency of the bowl-separating shafts 6 and lid-separating shafts 7 is adjusted according to the actual production speed. A belt is fitted around the circumferentially distributed bowl-separating shaft 6. The bowl-separating actuator drives the bowl-separating shaft 6 to rotate in the same direction via the belt drive, so that the edge of the empty bowl slides along the first spiral blade of the bowl-separating shaft 6 and falls into the bowl guide groove. A belt is fitted around the circumferentially distributed lid-separating shaft 7. The lid-separating actuator drives the lid-separating shaft 7 to rotate in the same direction via the belt drive, so that the edge of the lid slides along the second spiral blade of the lid-separating shaft 7 and falls into the lid guide groove.

[0047] like Figure 1 , Figure 2 , Figure 8As shown, the bowl-dispensing assembly includes a rotating rod 8 rotatably mounted below the frame 1 and a dispensing rod 9 slidably mounted within the bowl-dispensing guide groove 3 driven by the rotating rod 8. The bottom end of the bowl-dispensing guide groove 3 has sliding grooves 3.1 distributed along the bowl-dispensing direction. The lower end of the dispensing rod 9 passes through the sliding groove 3.1 and connects to the rotating rod 8. A sliding groove 8.1 is provided at the connection point between the rotating rod 8 and the dispensing rod 9. The lower end of the dispensing rod 9 is slidably mounted within the sliding groove 8.1, which is distributed along the length of the rotating rod 8. A rotating groove cooperating with the rotating rod 8 is provided on the outer wall of the lower end of the dispensing rod 9. The dispensing rod 9 is limited between the rotating rod 8 and the dispensing platform. The bowl-dispensing assembly also includes a rotating motor that rotates the rotating rod 8. The rotating motor rotates the rotating rod 8, causing the rotating rod 8 to drive the dispensing rod 9 along one end of the sliding groove 3.1 within the bowl-in guide groove. The lower end of the dispensing rod 9 moves along the sliding groove 8.1 of the rotating rod 8, preventing the dispensing rod 9 and the rotating rod 8 from jamming. The rotation angle of the rotating rod 8 is pre-set so that the empty bowl stops below the rice inlet 2.1.

[0048] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, the rice washing device also includes a water inlet pipe 10 extending into the rice washing box 2, a water filling pipe 11 located outside the rice inlet 2.1, a sealing cover 12 rotatably disposed at and cooperating with the rice inlet 2.1, and a rice washing rod 13 rotatably disposed inside the rice washing box 2, the rice washing rod 13 having rice washing teeth for washing rice. After rice is fed into the rice inlet 2.1, the water filling pipe 11 injects a certain amount of water into the bowl. The rice washing device also includes a rice trough 14 located at the bottom of the rice washing box 2, a rice feeding screw 15 rotatably disposed inside the rice feeding trough 14, and a water filtering chamber 16 located below the rice feeding trough 14. The rice feeding screw 15 cooperates with the inner side wall of the rice feeding trough 14, and the inner side wall of the rice feeding trough 14 has several water filtering holes 14.1, the water filtering holes 14.1 penetrating the rice washing box 2 and the water filtering chamber 16, and the water filtering chamber 16 discharges the rice washing water out of the rice washing box 2 through a connecting drain pipe 19. The rice in the rice trough 14 is moved to the rice inlet 2.1 by the rice screw 15. The inner side wall of the rice trough 14 is provided with several water filtering holes 14.1 to filter out the rice washing water from the water filtering chamber 16. The washed rice falls from the rice inlet 2.1 into an empty bowl located below the rice inlet 2.1 and then clean purified water is poured in.

[0049] like Figure 1 , Figure 2 , Figure 3As shown, the bowl-dispensing guide 3 includes a first bowl-dispensing guide 3.2 and a second bowl-dispensing guide 3.3 along the bowl-dispensing direction. The bowl-dispensing direction of the first bowl-dispensing guide 3.2 and the second bowl-dispensing guide 3.3 are not on the same straight line. The first bowl-dispensing guide 3.2 and the second bowl-dispensing guide 3.3 are connected by a transition corner. The bowl-separating assembly is located above the first bowl-dispensing guide 3.2, the rice inlet 2.1 is located above the transition corner, and the lid-separating assembly is located above the second bowl-dispensing guide 3.3. When the lever 9 moves the bowl from the first bowl-dispensing guide 3.2 to the transition corner, the rice inlet 2.1 is exactly above the bowl opening. The transition corner acts as a limit, preventing the bowl from sliding directly into the second bowl-dispensing guide 3.3, and there is a certain amount of resistance.

[0050] like Figure 1 As shown, the water inlet pipe 10 is connected to the water filling pipe 11. The water inlet pipe 10 is equipped with a water metering control device 17 at the water inlet end of the rice washing box 2, and the water filling pipe 11 is equipped with a water filling metering control device 18 at the water filling end.

[0051] Working principle: An empty bowl is placed on the bowl-separating component, and the lid is placed on the lid-separating component. Rice is then placed into the rice washing box 2 through the inlet, where it is washed. The bowl-separating component guides the bowls into the bowl-inlet guide groove. The empty bowl is driven by the bowl-pushing component along the bowl-inlet guide groove through the rice outlet 2.1. The washed rice falls into the empty bowl through the rice outlet 2.1. The bowl containing rice then passes under the lid-separating mechanism along the bowl-inlet guide groove. The lid-separating component places the lid on top of the empty bowl containing rice. The bowl-pushing component pushes the lid-covered bowl out of the bowl-inlet guide groove into the next step of the production line. This achieves fully automatic, manual packaging. After steaming, the rice is ready to be served in a single-serving lunchbox, eliminating the need for manual rice washing, packaging, and handling during the production line process. It is easy to operate and can be remotely controlled.

[0052] The specific embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the invention. All equivalent variations made in accordance with the shape and structure of the present invention should be included within the scope of protection of the present invention.

Claims

1. An automatic rice washing and packaging device, characterized in that, The utility model relates to a rice washing machine, including: Rack; Rice washing mechanism, including the rice washing box of being placed on the rack, being equipped with the rice outlet of rice washing box bottom portion; Subpackaging mechanism, including the bowl guide groove of being placed on the rack, the bowl subassembly and the cover subassembly of being located bowl guide groove top and the bowl subassembly of being rotated and placed on the rack, bowl subassembly will bowl be put into bowl guide groove one after another, bowl subassembly pushes bowl and goes through the rice outlet below and the cover subassembly below along bowl guide groove one after another, Bowl subassembly includes the rotating rod of being rotated and placed below the rack, the push rod of being slid and placed in bowl guide groove through rotating rod drive, the sliding groove of being equipped with along the bowl direction distribution at the bottom end of bowl guide groove, the push rod subassembly lower end passes through sliding groove and is connected with rotating rod, the sliding groove is equipped with at the push rod connection of rotating rod, the push rod lower end is slid and placed in sliding groove, Bowl guide groove includes first bowl guide groove and second bowl guide groove along the bowl direction one after another, and first bowl guide groove and second bowl guide groove are connected through transition corner, and bowl subassembly is located first bowl guide groove top, and the rice outlet is located transition corner top, when push rod bowl is pushed to transition corner from first bowl guide groove, the rice outlet is just located bowl mouth top, and transition corner plays the role of limiting, prevents bowl from directly sliding into second bowl guide groove, and there is certain resistance.

2. The automatic rice washing and portioning apparatus according to claim 1, wherein The bowl subassembly includes a bowl subassembly support frame arranged on the rack, and a spiral bowl subassembly arranged below the bowl subassembly support frame. The bowls are stacked in a vertical direction in the bowl subassembly support frame, and the edges of the bowls at the bottom end of the bowl subassembly support frame are limited on the spiral bowl subassembly. Rotating the spiral bowl subassembly causes the bowls to fall into the bowl guide groove. The bowl subassembly support frame includes a plurality of bowl support rods arranged vertically on the rack.

3. The automatic rice washing and portioning apparatus according to claim 2, wherein The cover subassembly includes a cover subassembly support frame arranged on the rack, and a spiral cover subassembly arranged below the cover subassembly support frame. The covers are stacked in a vertical direction in the cover subassembly support frame, and the edges of the covers at the bottom end of the cover subassembly support frame are limited on the spiral cover subassembly. Rotating the spiral cover subassembly causes the covers to fall into the bowl guide groove and above the bowls passing below the cover subassembly. The cover subassembly support frame includes a plurality of cover support rods arranged vertically on the rack.

4. The automatic rice washing and portioning apparatus according to claim 3, wherein The spiral bowl subassembly includes a plurality of bowl rotating shafts arranged rotatably on the rack, and a bowl execution mechanism for driving the bowl rotating shafts to rotate. The axes of the bowl rotating shafts are arranged vertically. First spiral blades are arranged on the outer sidewalls of the bowl rotating shafts. The plurality of bowl rotating shafts are arranged in a circumferential direction according to the bowls stacked in a vertical direction on the bowl subassembly support frame. The edges of the empty bowls at the lowest end of the bowl subassembly support frame are limited on the first spiral blades.

5. The automatic rice washing and portioning apparatus according to claim 4, wherein The spiral cover subassembly includes a plurality of cover rotating shafts arranged rotatably on the rack, and a cover execution mechanism for driving the cover rotating shafts to rotate. The axes of the cover rotating shafts are arranged vertically. Second spiral blades are arranged on the outer sidewalls of the cover rotating shafts. The plurality of cover rotating shafts are arranged in a circumferential direction according to the covers stacked in a vertical direction on the cover subassembly support frame. The edges of the covers at the lowest end of the cover subassembly support frame are limited on the second spiral blades.

6. The automatic rice washing and portioning apparatus according to claim 1 or 2, wherein The sliding groove is arranged along the length direction of the rotating rod.

7. The automatic rice washing and portioning apparatus according to claim 1, wherein The rice washing mechanism further comprises a water inlet pipe extending into the rice washing tank, a water adding pipe located outside the lower rice outlet, a sealing cover rotatably arranged at the lower rice outlet and matched with the lower rice outlet, and a rice washing rod rotatably arranged in the rice washing tank, wherein the rice washing rod is provided with rice washing teeth for washing rice.

8. The automatic rice washing and portioning apparatus according to claim 1 or 2 or 7, wherein, The rice washing mechanism further comprises a lower rice groove located at the bottom end of the rice washing tank, a lower rice screw rotatably arranged in the lower rice groove, and a water filtering cavity located below the lower rice groove, wherein the lower rice screw is matched with the inner wall of the lower rice groove, the inner wall of the lower rice groove is provided with a plurality of water filtering holes, the water filtering holes pass through the rice washing tank and the water filtering cavity, and the water filtering cavity discharges the rice washing water out of the rice washing tank through a communication drain pipe.

9. The automatic rice washing and portioning apparatus according to claim 1 or 2 or 7, wherein, The cover separating assembly is located above the second bowl outlet guide slot.

10. The automatic rice washing and portioning apparatus according to claim 7, wherein, The water inlet pipe is communicated with the water adding pipe, the water inlet end of the water inlet pipe extending into the rice washing tank is provided with a water inlet metering control device, and the water adding end of the water adding pipe is provided with a water adding metering control device.

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