Automatic feeding, rice milling and crushing combined machine

Abstract

The utility model belongs to the technical field of grain processing machinery, and discloses an automatic feeding, rice milling and smashing combined machine which comprises a rack, a lifting assembly, a screening assembly, a rice milling assembly, a sorting assembly, a smashing assembly and a power assembly, and the lifting assembly, the screening assembly, the rice milling assembly, the sorting assembly, the smashing assembly and the power assembly are arranged on the rack. The lifting assembly comprises a conveying pipe fixed to the rack, a spiral auger is arranged in the conveying pipe, the lower portion of the spiral auger is in driving connection with the power assembly through a lifting transmission shaft, a lifting feeding port is formed in the lower portion of the conveying pipe and installed in a lifting feeding hopper, and an impurity filter screen is installed on the upper portion of the lifting feeding hopper. And the lifting feed hopper is fixedly mounted at the lower part of the rack. Grain is lifted through the spiral auger and directly enters the follow-up process, the labor intensity of a user is relieved, the processing efficiency is improved, the multiple functions of screening, shelling, sorting, smashing and the like are integrated through the same power system, and the size and manufacturing cost of the whole device are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to grain processing machinery technical field, specifically, relate to a kind of automatic feeding rice milling and crushing combination machine. BACKGROUND

[0002] In the process of processing grain, generally need to be screened, shelling polishing and multiple processes, often by the gravity of grain from top to bottom is processed, all need to be put into the upper feed inlet, in the process of falling impurity removal, shelling polishing, sorting and other processes. Some small existing household grain processing equipment, manual feeding is needed, manpower is needed to lift grain into feed inlet, with high labor intensity, low processing efficiency and other problems, especially not conducive to the operation of the elderly.

[0003] Therefore, it is a technical problem to be solved by those skilled in the art to design a combination machine that can automatically feed and has screening, shelling polishing, sorting and other processing capabilities. SUMMARY

[0004] The utility model discloses a kind of automatic feeding rice milling and crushing combination machine, which uses spiral auger to lift grain, so that it directly enters subsequent processes, reduces the labor intensity of users, improves processing efficiency, integrates screening, shelling polishing, sorting and crushing and other functions using the same power system, reduces the size and manufacturing cost of the entire device.

[0005] The utility model provides a kind of automatic feeding rice milling and crushing combination machine, including rack, the lifting assembly that is set on the rack and lifts grain from bottom to top, the screening assembly that grain is screened, the rice milling assembly that grain is shelled, the sorting assembly that grain after shelling is sorted, the crushing assembly that material is crushed, power assembly for providing power for lifting assembly, screening assembly, rice milling assembly, sorting assembly and crushing assembly;The lifting assembly includes fixed material conveying pipe on the rack, spiral auger is arranged in the material conveying pipe, the lower part of the spiral auger is drivenly connected with power assembly by lifting transmission shaft, lifting feed inlet is arranged in the lower part of the material conveying pipe, the lifting feed inlet is installed in lifting feed hopper, impurity filter screen is installed on the upper part of the lifting feed hopper, the lifting feed hopper is fixedly installed on the lower part of the rack.

[0006] Further, the material conveying pipe is provided with a feeding box through a flange, the lifting feed inlet is arranged on the feeding box, the lifting feed hopper is provided with a feeding adjusting plug at the bottom, the material conveying pipe sequentially includes an inclined section, a circular arc transition section and a vertical section from bottom to top, the circular arc transition section is provided with an observation gap on the inner side, the vertical section is provided with a discharging box through a flange at the top, the discharging box is provided with a lifting discharge outlet on one side, and the lifting discharge outlet is provided with a lifting discharge nozzle in an inclined manner.

[0007] Further, the screening assembly comprises a screening feed hopper and a screening component arranged below the screening feed hopper, the screening component comprises a screening box, an inclined vibration screen is connected to the screening box through a sling, a sundry transfer hopper is arranged at the lowest position of the upper side of the vibration screen, a rice milling feed hopper is arranged at the lower part of the vibration screen, the vibration screen is drivingly connected to a power assembly through a crank shaft assembly, and the screening feed hopper is arranged below the lifting discharge nozzle.

[0008] Further, the crank shaft assembly comprises a screening drive rotor, an eccentric sleeve is sleeved on the screening drive rotor, the outer wall of the eccentric sleeve is fixedly connected to one end of a feed screen crank, the other end of the feed screen crank is rotatably connected to one end of a rocker arm, a support is rotatably connected to the middle part of the rocker arm, and the other end of the rocker arm is connected to the vibration screen through a connecting pin shaft and a transmission card.

[0009] Further, the rice milling assembly comprises a rice milling cavity and a rice milling polishing rotor arranged in the rice milling cavity, the top of the rice milling cavity is in communication with the lower part of the rice milling feed hopper, a rice discharging nozzle is arranged on one side of the rice milling cavity, and a bran discharging pipe is arranged on the other side of the rice milling cavity, the rice milling polishing rotor is drivingly connected to the power assembly through a belt.

[0010] Further, the sorting assembly comprises a sorting box and a sorting screen hung in the sorting box, the sorting screen is arranged at the lower part of the rice discharging nozzle, and the sorting screen is drivingly connected to the power assembly through an eccentric structure.

[0011] Further, the bran discharging pipe is connected to a cyclone bran collector, a bran suction fan is arranged at the front end of the bran discharging pipe, the bran suction fan is drivingly connected to the power assembly through a belt, and a bran discharging port is arranged at the bottom of the cyclone bran collector.

[0012] Further, the crushing assembly comprises a crushing feed hopper, a crushing cavity is in communication with the bottom of the crushing feed hopper, a crushing roller set is arranged in the crushing cavity, a crushing discharge port is arranged at the lower part of the crushing cavity, and the crushing roller set is drivingly connected to the power assembly through a belt.

[0013] Further, the power assembly comprises a forward and reverse power motor, a forward unidirectional bearing and a reverse unidirectional bearing are sleeved on the output shaft of the power motor, a crushing driving wheel is sleeved on the forward unidirectional bearing, and the crushing driving wheel is drivingly connected to the crushing roller set through a belt.

[0014] Further, the reverse one-way bearing is sleeved with a rice milling driving wheel, the rice milling driving wheel is drivingly connected with a rice milling driven wheel through a belt, the rice milling driven wheel is sleeved on a rice polishing rotor, the rice milling driven wheel is a double-groove structure, and is drivingly connected with a bran suction fan pulley wheel sleeved on a bran suction fan rotor through a V-belt, the rice polishing rotor is further sleeved with a screening driving pulley, the screening driving pulley is connected with a screening shaft pulley through a belt, the screening shaft pulley is sleeved on a screening driving rotor, one end of the screening driving rotor is drivingly connected with a sorting screen through an eccentric structure, the screening driving rotor is sleeved with a lifting driving wheel, the lifting driving wheel is drivingly connected with a lifting driven wheel through a lifting transmission V-belt, the lifting driven wheel is sleeved on a lifting transmission shaft, and the lifting transmission V-belt is provided with an outer belt tension pulley and an inner belt tension pulley.

[0015] The automatic feeding rice milling and crushing combined machine has the advantages that:

[0016] 1. The combined machine adopts a lifting assembly to automatically feed the grain to be processed, changes the condition that the material is lifted to a high place by manpower and then poured into a screening feed hopper, reduces the labor intensity of the user, is especially suitable for the elderly, and has simple and fast feeding, and improves the processing efficiency.

[0017] 2. One set of transmission system is used to provide power for the lifting assembly, the screening assembly, the rice milling assembly, the sorting assembly and the like, so that the lifting, screening, hulling and polishing, sorting and bran suction and the like processes of the grain can be completed at one time, and the combined machine is especially suitable for the processing of rice and the like.

[0018] 3. The forward and reverse motor is matched with the one-way bearing, the same motor can realize the processing of different processes, and the different driving motors for different processes of the existing processing equipment are changed. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0020] Figure 1 It is a structure front view of the automatic feeding rice milling and crushing combined machine of the present application.

[0021] Figure 2 It is a structure side view of the automatic feeding rice milling and crushing combined machine of the present application.

[0022] Figure 3 It is a structure side view of the automatic feeding rice milling and crushing combined machine of the present application.Figure 1 Cross-sectional structure schematic diagram at A-A;

[0023] Figure 4 Structure schematic diagram of the conveying pipe in the utility model;

[0024] Figure 5 Figure 4 B-direction partial view;

[0025] Figure 6 Figure 3 C-direction partial enlarged schematic diagram;

[0026] Figure 7 Structure top view of the lifting assembly in the utility model;

[0027] Figure 8 Structure schematic diagram of the power transmission in the utility model;

[0028] Figure 9 Structure schematic diagram of the power transmission of the screening assembly in the utility model;

[0029] Icon: 1, rack; 2, lifting assembly; 21, conveying pipe; 22, spiral auger; 23, lifting transmission shaft; 24, lifting feeding port; 25, lifting feeding hopper; 26, impurity filter screen; 27, feeding box; 28, feeding adjusting plugboard; 29, observation gap; 210, discharging box; 211, lifting discharging port; 212, lifting discharging nozzle; 3, screening assembly; 31, screening feeding hopper; 32, screening box; 33, vibrating screen; 34, sundry switching hopper; 4, rice milling assembly; 41, rice milling feeding hopper; 42, rice milling cavity; 43, rice milling polishing rotor; 44, rice discharging nozzle; 45, bran discharging pipe; 46, cyclone bran collector; 47, bran suction fan; 5, sorting assembly; 51, sorting box; 52, sorting screen; 6, crushing assembly; 61, crushing feeding hopper; 62, crushing cavity; 63, crushing roller group; 7, power assembly; 71, output shaft; 72, forward unidirectional bearing; 73, reverse unidirectional bearing; 74, crushing driving wheel; 75, rice milling driving wheel; 76, rice milling driven wheel; 77, screening driving wheel; 78, bran suction fan pulley; 79, screening shaft pulley; 710, screening driving rotor; 711, eccentric sleeve; 712, crank; 713, rocker arm; 714, support; 715, connecting pin shaft; 716, transmission clamp; 717, eccentric structure; 718, lifting driving wheel; 719, lifting transmission V-belt; 720, lifting driven wheel; 721, belt outer tension pulley; 722, belt inner tension pulley. DETAILED DESCRIPTION

[0030] ​​In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0031] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0032] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0033] In addition, the terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0034] In the description of the present application, it should be further explained that, unless otherwise explicitly specified and limited, the terms "set", "mount", "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0035] For example, Figures 1-9The utility model discloses a kind of automatic feeding rice milling and crushing combination machine specific implementation mode shown in the utility model: including frame 1, the frame 1 is provided with lifting assembly 2 that grain is lifted from bottom to top, screening assembly 3 that grain is screened, rice milling assembly 4 that grain is shelled, sorting assembly 5 that grain after shelling is sorted, power assembly 7 that power is provided to lifting assembly 2, screening assembly 3, rice milling assembly 4, sorting assembly 5 and crushing assembly 6;The lifting assembly 2 includes fixed in the feed pipe 21 of frame 1, the spiral auger 22 is provided in the feed pipe 21, the spiral auger 22 lower part is driven connection with power assembly 7 by lifting transmission shaft 23, the feed pipe 21 lower part is provided with lifting feed inlet 24, the lifting feed inlet 24 is installed in lifting feed hopper 25, impurity filter screen 26 is installed on the upper portion of lifting feed hopper 25, lifting feed hopper 25 is fixedly installed in the lower portion of frame 1.

[0036] The feed pipe 21 is installed with feed box 27 by flange, the lifting feed inlet 24 is opened on feed box 27, the lifting feed hopper 25 bottom is installed with feed adjusting plugboard 28, the feed pipe 21 includes inclined section, circular arc transition section and vertical section from bottom to top in sequence, the inside of circular arc transition section is provided with observation gap 29, the top of vertical section is installed with discharge box 210 by flange, one side of discharge box 210 has lifting discharge outlet 211, the lifting discharge outlet 211 is obliquely provided with lifting discharge nozzle 212.

[0037] The feed pipe 21 is installed in one side of frame 1, the spiral auger 22 in the feed pipe 21 is rotatably connected with the upper and lower ends of feed pipe 21 by bearing, and the outer side of the spiral auger 22 is further provided with a steel wire hose. The spiral auger 22 is rotated by rotating the lifting transmission shaft 23, so that the material in the feed box 27 is spirally rotated and lifted. The spiral auger 22 is a shaftless spiral auger 22, which can be processed to a certain degree of bending according to the site needs, changing the existing spiral shaft linear transmission structure, so that it can still be well rotated and lifted, with wide application range, and reducing the floor area and improving the space utilization. The spiral auger 22 rotates while lifting the material from bottom to top, and finally discharges from the lifting discharge nozzle 212 into the next process. The impurity filter screen 26 is installed on the upper portion of the lifting feed hopper 25, which can filter out larger impurities mixed in the material when pouring the material, so that the subsequent lifting and processing are more smooth. The middle portion of the feed pipe 21 can be fixedly connected to the middle portion of the frame 1 by the supporting rod, so that the feed pipe 21 is fixed firmly.

[0038] In one embodiment, the screening assembly 3 comprises a screening feed hopper 31 and a screening component arranged below the screening feed hopper 31, the screening component comprising a screening box 32, an obliquely arranged vibrating screen 33 connected in the screening box 32 by a sling, a sundry transfer hopper 34 arranged at the lowest part of the upper side of the vibrating screen 33, and a rice milling feed hopper 41 arranged at the lower part of the vibrating screen 33. The vibrating screen 33 is drivingly connected with the power assembly 7 through a crank 712 shaft assembly. The screening feed hopper 31 is arranged below the lifting discharge nozzle 212. The screening box 32 is fixedly connected with the rack 1.

[0039] The crank 712 shaft assembly comprises a screening drive rotor 710, an eccentric sleeve 711 sleeved on the screening drive rotor 710, a feed screen crank 712 fixedly connected with the outer wall of the eccentric sleeve 711 at one end, a rocker arm 713 rotatably connected with the feed screen crank 712 at the other end, a support 714 rotatably connected with the rocker arm 713 at the middle part, and a connecting pin shaft 715 and a transmission card 716 connecting the rocker arm 713 with the vibrating screen 33 at the other end.

[0040] The material discharged from the lifting discharge nozzle 212 directly enters the screening feed hopper 31. The rotation of the screening drive rotor 710 drives the eccentric sleeve 711 to eccentrically move, thereby driving the feed screen crank 712 to reciprocate and further driving the vibrating screen 33 to reciprocate, so as to realize the screening of the vibrating screen 33. The impurities in the material entering the screening feed hopper 31 are screened out, and then enter the rice milling feed hopper 41, while the impurities are discharged from the sundry transfer hopper 34. The vibrating screen 33 can be multi-layered, and screens with different mesh sizes are arranged to screen out impurities of different sizes and retain the material. A screening observation port is further arranged on one side of the screening box 32. The rocker arm 713 only transmits the horizontal force, avoiding interference from vibration in other directions. A hard rubber sleeve is arranged on the transmission card 716 to avoid noise generated by vibration.

[0041] In one embodiment, the rice milling assembly 4 comprises a rice milling cavity 42 and a rice milling polishing rotor 43 arranged in the rice milling cavity 42. The rice milling cavity 42 is in communication with the lower part of the rice milling feed hopper 41 at the top, and is provided with a rice discharge nozzle 44 at one side and a bran discharge pipe 45 at the other side. The rice milling polishing rotor 43 is drivingly connected with the power assembly 7 through a belt. The rice milling cavity 42 and the bran discharge pipe 45 are fixedly connected with the rack 1. The rice milling assembly 4 is a conventional existing hulling and polishing device. The rice milling assembly 4 can have polishing function while milling, and remove impurities on the surface of the material.

[0042] The sorting assembly 5 comprises a sorting box 51 and a sorting screen 52 hung in the sorting box 51. The sorting screen 52 is arranged below the rice discharge nozzle 44 and is drivingly connected with the power assembly 7 through an eccentric structure 717.

[0043] The bran outlet pipe 45 is connected with a cyclone bran collector 46, the front end of the bran outlet pipe 45 is provided with a bran suction fan 47, the bran suction fan 47 is driven and connected with the power assembly 7 through a belt, and the bottom of the cyclone bran collector 46 is provided with a bran outlet.

[0044] After the screening is completed, the material enters into the rice milling feeding hopper 41, and then enters into the rice milling cavity 42, and under the rotation of the rice milling and polishing rotor 43, the material is subjected to the hulling treatment. After the hulling is completed, the hulled material is discharged from the rice outlet 44, and then enters into the sorting screen 52, and is subjected to the sorting under the action of the sorting screen 52, the remaining impurities after the hulling are separated and discharged, and the fine rice is discharged. The bran and hull in the rice milling cavity 42 is driven by the bran suction fan 47 and enters into the cyclone bran collector 46 for collection and is discharged from the bottom.

[0045] In an embodiment, the crushing assembly 6 comprises a crushing feeding hopper 61, the bottom of the crushing feeding hopper 61 is communicated with a crushing cavity 62, the crushing cavity 62 is provided with a crushing roller set 63, the lower part of the crushing cavity 62 is provided with a crushing discharge port, and the crushing roller set 63 is driven and connected with the power assembly 7 through a belt.

[0046] The material to be crushed directly enters into the crushing cavity 62 from the crushing feeding hopper 61, is crushed under the rotation of the crushing roller set 63, and is then discharged.

[0047] In an embodiment, the power assembly 7 comprises a forward and reverse power motor, a forward unidirectional bearing 72 and a reverse unidirectional bearing 73 are sleeved on the output shaft 71 of the power motor, a crushing driving wheel 74 is sleeved on the forward unidirectional bearing 72, and the crushing driving wheel 74 is power-connected with the crushing roller set 63 through a belt.

[0048] The rice milling driving wheel 75 is sleeved on the reverse one-way bearing 73, the rice milling driving wheel 75 is drivenly connected with a rice milling driven wheel 76 through a belt, the rice milling driven wheel 76 is sleeved on a rice polishing rotor 43, the rice milling driven wheel 76 is a double-groove structure, and can be drivenly connected with a bran suction fan pulley 78 sleeved on a rotor of the bran suction fan 47 through a V-belt, the rice polishing rotor 43 is further sleeved with a screening driving wheel 77, the screening driving wheel is connected with a screening shaft pulley 79 through a belt, the screening shaft pulley 79 is sleeved on a screening driving rotor 710, one end of the screening driving rotor 710 is drivenly connected with a sorting screen 52 through an eccentric structure 717, the screening driving rotor 710 is sleeved with a lifting driving wheel 718, the lifting driving wheel 718 is drivenly connected with a lifting driven wheel 720 through a lifting transmission V-belt 719, the lifting driven wheel 720 is sleeved on a lifting transmission shaft 23, and the lifting transmission V-belt 719 is provided with a belt outer tension pulley 721 and a belt inner tension pulley 722. Since the lifting transmission shaft 23 is inclined, two sets of tension pulleys are used to assist cross-belt transmission, cross transmission is more stable, belts are not easy to be off, belt abrasion is reduced, and obstacles affecting rotation are avoided.

[0049] That is, the positive and negative rotation of the motor drives different components to work. When the motor is positively transmitted, the forward one-way bearing 72 is driven to rotate, and then the crushing driving wheel 74 is rotated, so that the crushing assembly 6 works. When the motor is reversely rotated, the reverse one-way bearing 73 is rotated, and then the rice milling driving wheel 75 is rotated, so that the lifting assembly 2, the screening assembly 3, the rice milling assembly 4, the sorting assembly 5 and the bran suction fan 47 work, and the processes of lifting, screening, hulling and polishing, sorting and the like are realized.

[0050] The combined machine adopts the lifting assembly 2 to automatically feed the grain to be processed, changes the condition that the material is lifted to a high place by manual work and then poured into the screening feed hopper 31, reduces the labor intensity of the user, is especially suitable for the elderly, and has simple and fast feeding, and improves the processing efficiency; one set of transmission system is used to provide power for the lifting assembly 2, the screening assembly 3, the rice milling assembly 4, the sorting assembly 5 and the like, so that the lifting, screening, rice milling and polishing, sorting and the like of the grain can be completed at one time, and the combined machine is especially suitable for the processing of rice and the like; the positive and negative rotation of the motor and the cooperation of the one-way bearing are adopted, the positive and negative rotation of the same motor can realize the processing of different processes, and the different driving motors required by the existing processing equipment for different processes are changed.

[0051] The preferred embodiments of the utility model are merely used for limiting the utility model, and the utility model can have various changes and changes for the person skilled in the art. Any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An automatic feeding rice milling and pulverizing combination machine, characterized in that: The utility model provides a rice processing machine, including frame (1), be provided with the lifting assembly (2) of lifting grain from bottom to top, the screening assembly (3) of screening grain, the rice milling assembly (4) of hulling grain, the sorting assembly (5) of sorting after hulling grain, the crushing assembly (6) of crushing material, the power assembly (7) of providing power for lifting assembly (2), screening assembly (3), rice milling assembly (4), sorting assembly (5) and crushing assembly (6), lifting assembly (2) includes the material conveying pipe (21) fixed on frame (1), the spiral auger (22) is provided in material conveying pipe (21), the spiral auger (22) lower part is driven connection with power assembly (7) through lifting transmission shaft (23), the lower part of material conveying pipe (21) is opened lifting feed inlet (24), lifting feed inlet (24) is installed in lifting feed hopper (25), impurity filter screen (26) is installed on the upper portion of lifting feed hopper (25), lifting feed hopper (25) is fixedly installed on the lower portion of frame (1).

2. The automatic feeding rice milling and crushing combined machine according to claim 1, characterized in that: The material conveying pipe (21) is installed with the feed box (27) through the flange, the lifting feed inlet (24) is opened on the feed box (27), the bottom of the lifting feed hopper (25) is installed with the feed adjusting plugboard (28), the material conveying pipe (21) sequentially includes the inclined section, the circular arc transition section and the vertical section from bottom to top, the inside of the circular arc transition section is provided with the observation gap (29), the top of the vertical section is installed with the discharge box (210) through the flange, the discharge box (210) has the lifting discharge port (211) on one side, the lifting discharge port (211) is obliquely provided with the lifting discharge nozzle (212).

3. The automatic feeding rice milling and crushing combined machine according to claim 2, characterized in that: The screening assembly (3) includes a screening feed hopper (31) and a screening component disposed below the screening feed hopper (31). The screening component includes a screening box (32) with an obliquely disposed vibrating screen (33) connected by a sling inside the screening box (32). The vibrating screen (33) has a lowest point on the upper side and is provided with a sundry transfer hopper (34). The vibrating screen (33) is provided with a rice milling feed hopper (41) at the lower part. The vibrating screen (33) is drivenly connected to the power assembly (7) through a crank (712) shaft assembly. The screening feed hopper (31) is disposed below the lifting discharge nozzle (212).

4. The automatic feeding rice milling and crushing combined machine according to claim 3, characterized in that: The crank (712) shaft assembly includes a screening drive rotor (710) with an eccentric sleeve (711) sleeved thereon. The eccentric sleeve (711) is fixedly connected to one end of a feed screen crank (712) on the outer wall. The other end of the feed screen crank (712) is rotatably connected to one end of a rocker arm (713). The rocker arm (713) has a support (714) rotatably connected to the middle part. The other end of the rocker arm (713) is connected to the vibrating screen (33) through a connecting pin shaft (715) and a transmission clamp (716).

5. The automatic feeding rice milling and crushing combined machine according to claim 3, characterized in that: The rice milling assembly (4) comprises a rice milling cavity (42) and a rice polishing rotor (43) arranged in the rice milling cavity (42), the top of the rice milling cavity (42) is communicated with the lower part of the rice feeding hopper (41), one side of the rice milling cavity (42) is provided with a rice outlet (44), the other side of the rice milling cavity (42) is provided with a bran outlet pipe (45), and the rice polishing rotor (43) is driven and connected with the power assembly (7) through a belt.

6. The automatic feeding rice milling and crushing combined machine according to claim 5, characterized in that: The sorting assembly (5) comprises a sorting box (51) and a sorting screen (52) arranged in the sorting box (51), the sorting screen (52) is arranged below the rice outlet (44), and the sorting screen (52) is driven and connected with the power assembly (7) through an eccentric structure (717).

7. The automatic feeding rice milling and crushing combined machine according to claim 6, characterized in that: The bran outlet pipe (45) is connected with a cyclone bran collector (46), the front end of the bran outlet pipe (45) is provided with a bran suction fan (47), the bran suction fan (47) is driven and connected with the power assembly (7) through a belt, and the bottom of the cyclone bran collector (46) is provided with a bran outlet.

8. The automatic feeding rice milling and crushing combined machine according to claim 7, characterized in that: The crushing assembly (6) comprises a crushing feeding hopper (61), the bottom of the crushing feeding hopper (61) is communicated with a crushing cavity (62), the crushing cavity (62) is provided with a crushing roller group (63), the lower part of the crushing cavity (62) is provided with a crushing discharge port, and the crushing roller group (63) is driven and connected with the power assembly (7) through a belt.

9. The automatic feeding rice milling and crushing combined machine according to claim 8, characterized in that: The power assembly (7) comprises a forward and reverse power motor, a forward unidirectional bearing (72) and a reverse unidirectional bearing (73) are arranged on the output shaft (71) of the power motor, a crushing driving wheel (74) is arranged on the forward unidirectional bearing (72), and the crushing driving wheel (74) is power-connected with the crushing roller group (63) through a belt.

10. The automatic feeding rice milling and crushing combined machine according to claim 9, characterized in that: The reverse unidirectional bearing (73) is sleeved with a rice milling driving wheel (75), the rice milling driving wheel (75) is drivingly connected with a rice milling driven wheel (76) through a belt, the rice milling driven wheel (76) is sleeved on the rice polishing rotor (43), the rice milling driven wheel (76) is a double-groove structure, is drivingly connected with a bran suction fan pulley (78) sleeved on a rotor of the bran suction fan (47) through a V-belt, the rice polishing rotor (43) is further sleeved with a screening driving wheel (77), the screening driving wheel is connected with a screening shaft pulley (79) through a belt, the screening shaft pulley (79) is sleeved on a screening driving rotor (710), one end of the screening driving rotor (710) is drivingly connected with the sorting screen (52) through an eccentric structure (717), the screening driving rotor (710) is sleeved with a lifting driving wheel (718), the lifting driving wheel (718) is drivingly connected with a lifting driven wheel (720) through a lifting transmission V-belt (719), the lifting driven wheel (720) is sleeved on a lifting transmission shaft (23), and the lifting transmission V-belt (719) is provided with an outer belt tension pulley (721) and an inner belt tension pulley (722).

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