A combined rice mill

Abstract

The present application belongs to the technical field of grain processing, and particularly relates to a combined rice machine, which comprises a feeding hopper for placing rice to be processed; downstream of the feeding hopper, there are sequentially arranged a single-link lifting device, a round-rolling primary screening device, a stone removing device, a double-link lifting device, a husking device, a gravity screening device, and a rice milling device; a crushing device is connected downstream of the rice milling device for crushing rice bran. The combined rice machine gradually completes the processing of rice into white rice through the cooperation of the devices downstream of the feeding hopper, and the whole machine is designed in an integrated manner, so that the processing process is smooth and stable, the land occupation of the equipment is effectively reduced, and the grain processing efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of grain processing, and particularly relates to a combined rice mill of husking and milling. BACKGROUND

[0002] In the field of grain processing, a typical processing flow needs to be configured with independent equipment units such as cleaning screens, husking machines, rice mills, grading screens and the like, and a safe operation distance of 3-5 meters needs to be kept between the devices, resulting in that the land area occupied by a single production line generally exceeds 120 square meters. This discrete layout makes the material transfer link time-consuming, and 2-3 operators are needed to continuously carry out material connection operations, which not only increases the land area occupied by the equipment, but also increases the labor intensity of the operators, and may also lead to human errors in production, resulting in the risk of material scattering and cross-contamination, affecting production efficiency and product quality. SUMMARY

[0003] In view of the deficiencies in the prior art, the purpose of the present application is to provide a combined rice mill of husking and milling to solve the above problems.

[0004] The technical scheme of the present application is implemented as follows: a combined rice mill of husking and milling, comprising a feeding hopper for placing the rice to be processed;

[0005] A single-link lifting device is arranged downstream of the feeding hopper in sequence and is used to extract the rice in the feeding hopper;

[0006] A single-link lifting device is arranged downstream of the feeding hopper in sequence and is used to extract the rice in the feeding hopper;

[0007] A circular-rolling primary screening device is connected to the output end of the single-link lifting device and is used to screen the rice extracted by the single-link lifting device;

[0008] A stone removal device is connected to the output end of the circular-rolling primary screening device and is used to screen out stones mixed in the rice;

[0009] A double-link lifting device includes a connecting pipe one and a connecting pipe two, and a discharge pipe one and a discharge pipe two respectively corresponding to the two, and a receiving hopper one is arranged at the bottom of the double-link lifting device for receiving the rice discharged by the stone removal device, and the connecting pipe one is in communication with the receiving hopper one for extracting the rice in the receiving hopper one;

[0010] A husking device is arranged below the discharge pipe one, and is used to hull the rice extracted by the receiving hopper one to form a mixture of husks and brown rice;

[0011] A gravity screening device is used to screen the brown rice;

[0012] A rice milling device is used to polish the brown rice screened by the gravity screening device, and includes a rice outlet end and a bran outlet end for discharging bran;

[0013] The lower end of the connecting pipe II is communicated with the output end of the huller, and is used for conveying the husked rice mixture to the gravity screening device.

[0014] Further, the single-link lifting device comprises:

[0015] The lower seat I is provided with a rotating chamber I;

[0016] The upper seat I is located above the lower seat I, and the upper seat I is provided with a rotating chamber II;

[0017] The connecting pipe III and the connecting pipe IV are connected between the rotating chamber I and the rotating chamber II;

[0018] The rotating chamber I and the rotating chamber II are provided with a conveying belt I, the conveying belt I is sequentially arranged through the connecting pipe III and the connecting pipe IV, the lower end of the connecting pipe III is communicated with the feeding hopper, the lower end of the upper seat I is provided with a feeding pipe extending to the round roller primary screening device, and the outer side of the conveying belt I is circumferentially provided with a plurality of load carrying strips for lifting the rice to the feeding port of the feeding pipe.

[0019] Further, the round roller primary screening device comprises:

[0020] The machine body is provided with an open upper end;

[0021] The cover plate is installed on one side of the machine body, and one end of the cover plate is folded downward to form a flow guide slope;

[0022] The feeding cover is arranged on the upper end of the machine body, and a feeding port for the connecting pipe to extend into is formed on the outer side of the feeding cover, and a flow guide plate extending to the flow guide slope is installed on the inner side of the feeding cover;

[0023] The roller is arranged on the inner side of the machine body and is arranged in a Y direction transversely below the cover plate;

[0024] The screen hole is arranged on the radial outer side of the roller and is arranged in a circumferential array;

[0025] The extension plate is slidably installed on the inner side of the machine body, one side of the extension plate is attached to the flow guide slope, the other side of the extension plate extends to one side of the roller in the X direction, and the lower end surface of the extension plate is spaced apart from the radial outer side of the roller;

[0026] The inner lining plate is installed on the inner side wall of the machine body and is located below and adjacent to the extension plate;

[0027] The slag discharge port is formed on the outer side of the machine body away from the inner lining plate, and the lower edge of the slag discharge port is provided with a slag discharge plate extending to the screen cylinder, and the slag discharge plate is arranged in an upward inclination;

[0028] The lower end of the machine body is provided with a discharge port for discharging the rice through the sieve holes.

[0029] Further, the machine body further comprises:

[0030] A driving motor is installed on one side of the machine body;

[0031] A roller shaft is provided, and the roller is fixedly installed on the roller shaft. One end of the roller shaft penetrates the machine body and is connected to the driving motor through a belt drive.

[0032] A baffle plate is oppositely arranged between the roller shaft and the extension plate and located in the roller.

[0033] The two sides of the baffle plate are provided with support plate bodies which are sleeved on the roller shaft and rotatably connected to the roller shaft. A counterweight assembly is arranged between the lower edges of the two support plate bodies.

[0034] Further, the rice hulling device comprises:

[0035] A rice hulling machine body;

[0036] A rubber roller set comprises adjacent fixed rubber rollers and adjustable rubber rollers. One end of each of the fixed rubber rollers and the adjustable rubber rollers is respectively provided with a first rotating shaft and a second rotating shaft.

[0037] A belt is provided. One end of each of the first rotating shaft and the second rotating shaft penetrates the rice hulling machine body and is respectively provided with a first pulley and a second pulley. A third pulley is also installed on one side of the rice hulling machine body. The belt passes through the upper edges of the second pulley, the first pulley, and the third pulley in sequence.

[0038] A first fixed plate is provided. The rubber roller set is arranged on the outside of the first fixed plate.

[0039] A second fixed plate is provided. The first fixed plate and the second fixed plate are spaced apart to form an accommodation area for the first rotating shaft and the second rotating shaft.

[0040] Arc-shaped grooves are provided on the opposite sides of the first fixed plate and the second fixed plate. The second rotating shaft passes through the two arc-shaped grooves.

[0041] The accommodation area is provided with a pushing device for driving the second rotating shaft to move upward in an arc-shaped trajectory towards the first rotating shaft.

[0042] Further, the double lifting device comprises:

[0043] A lower machine base two is provided. The lower machine base two is provided with a third rotating chamber and a fourth rotating chamber.

[0044] An upper machine base two is provided above the lower machine base two. The upper machine base two is provided with a fifth rotating chamber and a sixth rotating chamber.

[0045] The connecting pipe five is installed between the rotating chamber three and the rotating chamber five, and the connecting pipe one and the connecting pipe five are installed between the rotating chamber three and the rotating chamber five.

[0046] The connecting pipe six is installed between the rotating chamber four and the rotating chamber six, and the connecting pipe two and the connecting pipe six are installed between the rotating chamber four and the rotating chamber six.

[0047] The conveying belt two is arranged between the rotating chamber three and the rotating chamber five, and the conveying belt two passes through the connecting pipe one and the connecting pipe five in sequence.

[0048] The conveying belt three is arranged between the rotating chamber four and the rotating chamber six, and the conveying belt three passes through the connecting pipe two and the connecting pipe six in sequence.

[0049] The conveying belt two, the conveying belt three and the conveying belt one are of the same structure.

[0050] Further, the gravity screening device comprises:

[0051] A screen frame;

[0052] A gravity screening box, four layers of screen meshes with increasing density from top to bottom are arranged in the gravity screening box;

[0053] A cam is rotatably installed on one side of the screen frame, and the cam is hingedly connected with a swing arm on one side of the gravity screening box to drive the gravity screening box to swing back and forth.

[0054] A clean brown rice discharge pipe;

[0055] A rice discharge pipe;

[0056] A rice and brown rice mixed discharge pipe;

[0057] The clean brown rice discharge pipe, the rice discharge pipe and the rice and brown rice mixed discharge pipe are respectively installed on the outside of the gravity screening frame, one end of the clean brown rice discharge pipe extends to the feeding end of the rice milling device, one end of the rice discharge pipe extends to the feeding end of the hulling device, and one end of the rice and brown rice mixed discharge pipe extends to the connecting pipe two of the double lifting device.

[0058] Further, the rice milling device comprises:

[0059] A polishing machine base, a polishing chamber is arranged in the polishing machine base, and a polishing iron roller for polishing brown rice is rotatably installed in the polishing chamber;

[0060] A whitening machine base is installed on one side of the upper end of the polishing machine base, a whitening chamber is arranged in the whitening machine base, and a whitening sand roller for whitening brown rice is rotatably installed in the whitening chamber;

[0061] One side of the upper end of the whitening machine base is provided with a material receiving port one, one side of the upper end of the polishing machine base is provided with a material receiving port two, a sand roller discharge port matched with the material receiving port is arranged on the other side of the whitening machine base, and a rice outlet is arranged on the other side of the polishing machine base.

[0062] Further, the white sand roller comprises:

[0063] The sand roller shaft is rotatably installed in the white sand machine base;

[0064] The white sand roller body is sleeved outside the sand roller shaft;

[0065] The first rice sieve cylinder is sleeved outside the white sand roller body;

[0066] The first spiral conveying head is installed outside the sand roller shaft and below the second material receiving port, and is used for conveying the rough rice between the first rice sieve cylinder and the white sand roller body;

[0067] The radial outer side of the white sand roller body is provided with a spiral groove, and the radial outer side of the white sand roller body is also provided with a flow guide through groove and a plurality of flow guide holes;

[0068] The polishing iron roller comprises:

[0069] The iron roller shaft is rotatably installed in the polishing cavity;

[0070] The polishing roller body is sleeved outside the iron roller shaft;

[0071] The second rice sieve cylinder is sleeved outside the sand roller shaft;

[0072] The second spiral conveying head is installed outside the sand roller shaft and below the second material receiving port, and is used for conveying the rough rice between the second rice sieve cylinder and the polishing roller body.

[0073] Further, the crushing device comprises a crusher base and a shaker, and the crusher base comprises:

[0074] The crusher shell;

[0075] The air extractor shell is located on one side of the crusher shell;

[0076] The bearing seat one is installed on the side of the air extractor shell away from the crusher shell;

[0077] The fan shaft is installed in the bearing seat one, and one end of the fan shaft penetrates through the bearing seat one and extends into the air extractor shell to be sleeved with the impeller shaft seat, and the impeller assembly is installed on the impeller shaft seat;

[0078] The air extraction hole is formed on the side of the air extractor shell away from the bearing seat one, and the air extraction hole is connected with the shaker through an air extraction pipeline;

[0079] The side of the impeller assembly facing the air extraction hole is provided with an air inlet hole, and a distance is arranged between the end of the fan shaft and the air inlet hole and between the end of the impeller shaft seat and the air inlet hole;

[0080] The mill shell is internally provided with a crushing chamber, the crushing chamber is internally installed with a crushing rotor, one side of the mill shell is externally provided with a rice bran receiving port, one side of the upper end of the mill shell is provided with a material extraction port, the material extraction port is connected with a material extraction pipe through a shaker, and one side of the upper end of the mill shell away from the material extraction port is provided with an air inlet, and the air inlet is connected with an air outlet of an air extractor through an air inlet pipe.

[0081] The beneficial effects of the present application are:

[0082] The rice mill is integrated in design, and the processing process is smooth and stable, which effectively reduces the floor area of the equipment, reduces manual operation, and effectively improves the grain processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0083] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0084] Figure 1 The present application is a specific embodiment of the whole structure of the rice mill Figure One ;

[0085] Figure 2 The present application is a specific embodiment of the whole structure of the rice mill Figure Two ;

[0086] Figure 3 The present application is a specific embodiment of the whole structure of the rice mill

[0087] Figure 4 The present application is a specific embodiment of the whole structure of the rice mill

[0088] Figure 5 The present application is a specific embodiment of the whole structure of the rice mill

[0089] Figure 6 The present application is a specific embodiment of the whole structure of the rice mill Figure One ;

[0090] Figure 7 The present application is a specific embodiment of the whole structure of the rice mill Figure Two ;

[0091] Figure 8 The present application is a specific embodiment of the whole structure of the rice mill

[0092] Figure 9 Figure 1 is a sectional view of the separate components of the embodiment of the present application. DETAILED DESCRIPTION

[0093] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0094] In the description of the present application, it should be noted that the terms used herein are only intended to describe the specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For the convenience of description, the sizes of the various parts shown in the drawings are not drawn in accordance with the actual proportional relationship. The techniques, methods and devices known to those skilled in the art can not be discussed in detail, but should be considered as part of the authorized description under appropriate circumstances. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0095] Embodiment one:

[0096] As shown in Figures 1 to 9 The present application discloses a combined rice mill, which comprises a feeding hopper 1 for placing the rice to be processed;

[0097] Downstream of the feeding hopper 1, there are sequentially provided:

[0098] A single lifting device 2 for extracting the rice in the feeding hopper 1;

[0099] A round roller primary screening device 3 connected with the output end of the single lifting device 2, for screening the rice extracted by the single lifting device 2;

[0100] A stone removing device 4 connected with the output end of the round roller primary screening device 3, for screening out the stones mixed in the rice;

[0101] A double lifting device 5 comprising a connecting pipe one and a connecting pipe two, and a discharge pipe one and a discharge pipe two respectively corresponding to the two, the double lifting device 5 being provided at the bottom with a receiving hopper one for receiving the rice discharged by the stone removing device, the connecting pipe one being in communication with the receiving hopper one for extracting the rice in the receiving hopper one;

[0102] A husking device 6 is arranged below the discharge pipe of the feeding hopper, and is used to husk the rice extracted from the feeding hopper to form a husked rice mixture;

[0103] A gravity screening device 7 is used to screen the husked rice;

[0104] A milling device 8 is used to polish the husked rice screened by the gravity screening device 7, and includes a rice outlet and a bran outlet;

[0105] The lower end of the second connecting pipe is connected to the output end of the husking device 6, and is used to transport the husked rice mixture to the gravity screening device 7. The downstream of the bran outlet of the milling device 8 is connected to a crushing device, which is used to crush the rice bran.

[0106] By using the above technical scheme, the husking and milling combined rice machine gradually completes the processing of rice into white rice through the cooperation of each device downstream of the feeding hopper. The machine is designed in an integrated manner, and the processing process is smooth and stable. The equipment occupies a small area, and the human operation is reduced, thereby effectively improving the grain processing efficiency.

[0107] Embodiment Two

[0108] The embodiment provides a husking and milling combined rice machine, which comprises the technical scheme of the above embodiment and has the following technical features.

[0109] Further, the single-link lifting device 2 comprises:

[0110] A lower machine base 200 is provided with a rotating chamber 1;

[0111] An upper machine base 201 is arranged above the lower machine base 200, and the upper machine base 201 is provided with a rotating chamber 2;

[0112] A third connecting pipe and a fourth connecting pipe are connected between the rotating chamber 1 and the rotating chamber 2;

[0113] The rotating chamber 1 and the rotating chamber 2 are provided with a conveying belt 1, the conveying belt 1 is arranged in sequence through the third connecting pipe and the fourth connecting pipe, the lower end of the third connecting pipe is connected to the feeding hopper 1, and the lower end of the upper machine base 201 is provided with a feeding pipe extending to the round roller primary screening device 3. The outer side of the conveying belt 1 is provided with a plurality of load strips for lifting the rice to the feeding port of the feeding pipe.

[0114] In the above technical scheme, the feeding pipe is connected to the rotating chamber 2;

[0115] In the above technical scheme, the upper machine base 201 is provided with a conveying shaft in the lower machine base 200, which is used to drive the conveying belt;

[0116] In the above technical solution, the height of the inlet end of the material conveying pipe is higher than the height of the outlet end of the material conveying pipe.

[0117] By adopting the above technical solution, after the feed hopper pours in the rice, the rice enters into the connecting pipe three by gravity, then the conveying belt starts to work, and the rice is sent into the rotating chamber one by the carrier strip, and then is conveyed to the rotating chamber two along the connecting pipe four, and then the rice in the rotating chamber two falls into the material conveying pipe, and then the rice enters into the round rolling and primary screening device along the connecting pipe by gravity.

[0118] Embodiment three:

[0119] The embodiment provides a rice huller, which comprises the technical solutions in the above embodiments and has the following technical features.

[0120] Further, the round rolling and primary screening device 3 comprises:

[0121] The body 300 is open at the upper end;

[0122] The cover plate 301 is installed on one side of the body 300, and one end of the cover plate 301 is folded downward to form a flow guide slope;

[0123] The feeding cover is arranged on the upper end of the body 300, a feeding port for the connecting pipe to extend into is arranged on one side of the feeding cover, and a flow guide plate 302 extending to the flow guide slope is arranged on the other side of the feeding cover;

[0124] The roller 303 is arranged on the inner side of the body 300 and is arranged in a Y direction transversely below the cover plate 301;

[0125] The screen hole is arranged on the radial outer side of the roller 303 and comprises a plurality of screen holes arranged in a circumferential array;

[0126] The extension plate 304 is slidably installed on the inner side of the body 300, one side of the extension plate 304 is attached to the flow guide slope, the other side of the extension plate 304 extends to one side of the roller 303 in the X direction, and the lower end surface of the extension plate 304 is spaced apart from the radial outer side of the roller 303;

[0127] The inner lining plate 305 is installed on the inner side wall of the body 300 and is located below and adjacent to the extension plate 304;

[0128] The slag discharge port 306 is arranged on the side of the body 300 away from the inner lining plate 305, and the lower edge of the slag discharge port 306 is provided with a slag discharge plate extending to the screen cylinder 303, and the slag discharge plate is arranged in an upward inclination;

[0129] The lower end of the body 300 is provided with a discharge port for discharging the rice passing through the screen hole.

[0130] In the above technical solution, the rotation direction of the roller is counterclockwise.

[0131] In the above technical solution, a flow guide groove is further arranged outside the slag discharge port.

[0132] In the above technical solution, a flat impurity removal screen is further arranged between the discharge port and the stone removal device to remove relatively small sections of straw.

[0133] By adopting the above technical solution, the rice entering the feeding cover can flow to the right side of the roller along the flow guide plate and the flow guide inclined surface in sequence, and the rice passes through the screen hole and is then discharged through the discharge port. The inner lining plate is used to assist in guiding the flow direction, so that the rice flows into the screen hole, avoiding the rice directly discharging through the gap between the body and the right side of the roller. The screen hole functions to allow the rice to pass through while blocking the straw mixed in the rice outside the roller;

[0134] The straw blocked outside the roller moves to the left side with the rotation of the roller. When the straw is brought to the left side by the roller, it falls onto the slag discharge plate by gravity and is then discharged from the slag discharge port along the slag discharge plate, effectively removing the straw mixed in the rice.

[0135] Example Four:

[0136] The present embodiment provides a rice huller combination rice machine, in addition to the technical solutions of the above embodiments, further having the following technical features.

[0137] Further, the body 300 further comprises:

[0138] A driving motor is installed on one side of the body 300;

[0139] A roller shaft 307, the roller 303 is fixedly installed on the roller shaft 307, one end of the roller shaft 307 penetrates the body 300 and is connected to the driving motor through a belt drive;

[0140] A baffle plate 308 is arranged opposite to the roller shaft 307 and the extension plate 304 and located in the roller 303;

[0141] Among them, the two sides of the baffle plate 308 are provided with support plate bodies sleeved on the roller shaft 307 and connected with the roller shaft 307, and a counterweight assembly is arranged between the lower edges of the two support plate bodies.

[0142] In the above technical solution, a V-shaped connecting plate is arranged between the lower edges of the two support plate bodies, and the counterweight assembly is fixedly installed on the upper end of the V-shaped connecting plate. The counterweight assembly is a counterweight block with a certain mass, so that the baffle plate will not swing due to the rotation of the roller shaft and the impact of the rice;

[0143] By adopting the above technical solution, one side of the baffle plate is arranged towards the feeding interval formed between the inner lining plate and the extension plate, forming a blocking surface, so that the rice will not splash towards the slag discharge port after passing through the roller.

[0144] Embodiment five:

[0145] The embodiment provides a rice milling combination machine, in addition to comprising the technical scheme of the above embodiment, further has the following technical features.

[0146] Further, the hulling device 6 comprises:

[0147] The hulling machine body 600;

[0148] The rubber roller set comprises a fixed rubber roller and an adjusting rubber roller arranged adjacent to each other, and one end of the fixed rubber roller and the adjusting rubber roller is respectively provided with a rotating shaft one and a rotating shaft two;

[0149] The belt, one end of the rotating shaft one and the rotating shaft two penetrates the hulling machine body 600 and is respectively provided with a belt pulley one 601 and a belt pulley two 602, and a belt pulley three 603 is further arranged on one side of the hulling machine body 600, and the belt penetrates the upper edge of the belt pulley two 602, the upper edge of the belt pulley one 601 and the upper edge of the belt pulley three 603 in sequence;

[0150] The fixed plate one 604 is arranged on the outer side of the rubber roller set;

[0151] The fixed plate two 605 is arranged between the fixed plate one 604 and the fixed plate two 605, and a containing area for the rotating shaft one and the rotating shaft two to penetrate is formed between the fixed plate one 604 and the fixed plate two 605;

[0152] The arc-shaped grooves 606 are arranged on the opposite sides of the fixed plate one 604 and the fixed plate two 605 and penetrate the fixed plate one 604 and the fixed plate two 605, and the rotating shaft two penetrates the two arc-shaped grooves 606;

[0153] The containing area is provided with a pushing device, which is used to drive the rotating shaft two to move upward in an arc-shaped track in the direction of the rotating shaft one.

[0154] In the above technical scheme, the rubber roller set is provided with a hulling feeding port above the rubber roller set;

[0155] In the above technical scheme, the rotating shaft two is provided with a sleeve outside, a rotating bearing is arranged between the rotating shaft two and the sleeve, the two ends of the sleeve penetrate the two arc-shaped grooves respectively, the upper ends of the sleeve in the containing area are fixedly provided with connecting blocks, and a rotating rod one is rotatably arranged between the two connecting blocks;

[0156] The pushing mechanism comprises a rotating rod two rotatably arranged between the containing areas, a pushing screw rod is threadedly connected to the rotating rod two, one end of the pushing screw rod is rotatably connected to the rotating rod one, a limiting rod one is arranged on the lower edge of the containing cavity, and a limiting rod two extending to the upper left of the limiting rod one is arranged on the lower edge of the sleeve,

[0157] In the above technical scheme, the outer side cover of the rubber roller group is provided with an outer shell, one side of the outer shell is provided with a discharge port, and a separator and a large bran fan are installed on the discharge port to separate the husks and brown rice;

[0158] By adopting the above technical scheme, the paddy is sent into the husking feeding port by the double lifting machine, the husks of the paddy are separated by the rubber roller group, and then the husks are extracted and collected by the large bran fan. The separated brown rice is sent into the gravity screening device by the double lifting device. When the rubber roller group is worn out and the distance is too large due to long-time use of the equipment, the arc-shaped groove cooperates with the setting of the pushing mechanism. When the pushing screw rod is extended, the rotating rod two is pushed, and the cooperation of the limiting rod one and the limiting rod two limits the position, so that the sleeve gradually rises along the arc-shaped edge of the arc-shaped groove and approaches the rotating shaft one. The fixed rubber roller and the adjusting rubber roller approach at the same time. Since the sleeve drives the upper belt pulley two to rise, the belt passing through the belt pulley can be tightened, and it is not necessary to manually replace the belt.

[0159] Embodiment six:

[0160] The embodiment provides a husking and milling combined rice machine, which comprises the technical scheme of the above-mentioned embodiments and has the following technical features.

[0161] Further, the double lifting device 5 comprises:

[0162] The lower machine base two is provided with rotating cavities three and four at intervals;

[0163] The upper machine base two 500 is located above the lower machine base two, and the upper machine base two 500 is provided with rotating cavities five and six at intervals;

[0164] The connecting pipe five is installed between the rotating cavities three and five;

[0165] The connecting pipe six is installed between the rotating cavities four and six;

[0166] The conveying belt two is arranged between the rotating cavities three and five, and the conveying belt two passes through the connecting pipe one and the connecting pipe five in sequence;

[0167] The conveying belt three is arranged between the rotating cavities four and six, and the conveying belt three passes through the connecting pipe two and the connecting pipe six in sequence;

[0168] The conveying belt two, the conveying belt three and the conveying belt one are the same in structure.

[0169] In the above technical scheme, the double lifting device is provided with a receiving hopper two at the lower end for receiving the brown rice discharged from the separator, one side of the connecting pipe two is communicated with the receiving hopper two, and the brown rice is lifted to the discharge pipe two and discharged to the gravity screening device

[0170] By adopting the technical scheme, the structure principle of the double-lift device is same as that of the single-lift device, that is, the lift device has two separate lift pipelines, and the two lift pipelines can be respectively used for feeding and conveying of the husking device and the gravity screening device, which is simple and efficient and greatly improves the rice processing efficiency.

[0171] Embodiment seven:

[0172] The embodiment provides a husking and milling combined rice machine, in addition to the technical scheme of the above-mentioned embodiment, further has the following technical features.

[0173] Further, the gravity screening device 7 comprises:

[0174] a screen frame 700;

[0175] a gravity screening box 701, four layers of screen meshes with increasing density from top to bottom are arranged in the gravity screening box 701;

[0176] a cam, which is rotatably installed on one side of the screen frame, and a swing arm is hinged to one side of the gravity screening box 701, so as to drive the gravity screening box 701 to reciprocate;

[0177] a clean brown rice discharge pipe 702;

[0178] a rice discharge pipe 703;

[0179] a husked rice and rice mixture discharge pipe 704;

[0180] The clean brown rice discharge pipe 702, the rice discharge pipe 703 and the husked rice and rice mixture discharge pipe 704 are respectively installed on the outside of the gravity screening frame, one end of the clean brown rice discharge pipe 702 extends to the feeding end of the rice milling device 8, one end of the rice discharge pipe 703 extends to the feeding end of the husking device 6, and one end of the husked rice and rice mixture discharge pipe 704 extends to the connecting pipe two of the double-lift device 5.

[0181] By adopting the technical scheme, the gravity screening box is driven to swing by the cam, the gravity screening efficiency is improved, the clean brown rice filtered out of all other impurities is conveyed to the rice milling device by gravity through the clean brown rice discharge pipe, the rice that is not shelled is conveyed to the husking device by the rice discharge pipe to be shelled, and the husked rice and rice mixture separated out is conveyed to the separator through the husked rice and rice mixture discharge pipe, the husks are sucked away by the large bran fan, and the husked rice falls into the receiving hopper two again and is sucked back to the gravity screening box for screening.

[0182] Embodiment eight:

[0183] The embodiment provides a husking and milling combined rice machine, in addition to the technical scheme of the above-mentioned embodiment, further has the following technical features.

[0184] Further, the rice milling device 8 comprises:

[0185] A polishing seat 800 is provided with a polishing chamber 801, and a polishing iron roller 802 for polishing brown rice is rotatably installed in the polishing chamber 801;

[0186] A whitening seat 803 is installed on one side of the upper end of the polishing seat 800, and the whitening seat 803 is provided with a whitening chamber 804, and a whitening sand roller 805 for whitening brown rice is rotatably installed in the whitening chamber 804;

[0187] The whitening seat 803 is provided with a material receiving port one on one side of the upper end, the polishing seat 800 is provided with a material receiving port two on one side of the upper end, the whitening seat 803 is provided with a sand roller discharging port on one side of the outer side, and the polishing seat 800 is provided with a rice discharging port on one side of the outer side.

[0188] Through the above technical scheme, the clean brown rice screened out enters the whitening chamber through the material receiving port one, and is whitened by the sand roller. Then, the whitened brown rice is sent into the polishing chamber through the sand roller discharging port and the material receiving port two, and is polished. Finally, the finished white rice is output through the rice discharging port.

[0189] Embodiment nine:

[0190] The embodiment provides a combined rice mill, which comprises the technical scheme of the above-mentioned embodiment and has the following technical features.

[0191] Further, the whitening sand roller 805 comprises:

[0192] A sand roller rotating shaft is rotatably installed in the whitening seat 803;

[0193] A whitening roller body 806 is sleeved on the outer side of the sand roller rotating shaft;

[0194] A rice sieve cylinder one 807 is sleeved on the outer side of the whitening roller body 806;

[0195] A spiral conveying head one 808 is installed on the outer side of the sand roller rotating shaft and below the material receiving port, and is used for conveying brown rice to the space between the rice sieve cylinder one 807 and the whitening roller body 806;

[0196] The radial outer side of the whitening roller body 806 is provided with a spiral groove, and the radial outer side of the whitening roller body 806 is also provided with a flow guide through groove 809 and a plurality of flow guide holes 810;

[0197] The polishing iron roller 802 comprises:

[0198] An iron roller rotating shaft is rotatably installed in the polishing chamber 801;

[0199] A polishing roller body 811 is sleeved on the outer side of the iron roller rotating shaft;

[0200] The rice sieve barrel two 812 is sleeved outside the sand roller rotating shaft;

[0201] The spiral conveying head two 813 is installed outside the sand roller rotating shaft and below the second material receiving port, and is used for conveying the brown rice between the rice sieve barrel two 812 and the polishing roller body 811.

[0202] In the technical scheme, the rice sieve barrel one is a barrel structure surrounded by the arc-shaped rice sieve plates, the rice sieve frame for supporting the arc-shaped rice sieve plates is arranged in the whitening machine base, and the rice sieve frame is convenient to disassemble and assemble;

[0203] In the technical scheme, the rice sieve barrel two is an octagonal barrel, which is beneficial to disperse the brown rice, avoid the brown rice from being gathered, and better polish the brown rice;

[0204] In the technical scheme, the polishing machine base is further provided with the rice bran fan, the air inlet end of the rice bran fan is provided with the rice bran extraction pipe extending to the bottom of the rice sieve barrel one and the rice sieve barrel two, the air outlet end of the rice bran fan is provided with the rice bran discharge pipe extending to the crushing device, and the separated rice bran is sent to the crushing device to be crushed into fine bran;

[0205] By adopting the technical scheme, the spiral groove is arranged to facilitate the movement of the brown rice in the rice sieve barrel one, and the flow guide through groove and the flow guide hole are arranged to facilitate the air flow during the extraction of the bran and effectively cool the polishing roller body.

[0206] Embodiment ten:

[0207] The embodiment provides a combined rice machine, which comprises the technical scheme of the above embodiment and has the following technical features.

[0208] Further, the crushing device comprises a crushing machine base 900 and a shaker 901, and the crushing machine base 900 comprises:

[0209] The crushing machine shell 902;

[0210] The air extractor shell 903 is located on one side of the crushing machine shell 902;

[0211] The bearing seat one 904 is installed on the side, away from the crushing machine shell 902, of the air extractor shell 903;

[0212] The fan rotating shaft 905 is installed in the bearing seat one 904, and one end of the fan rotating shaft 905 penetrates through the bearing seat one 904 and extends into the air extractor shell 903 to be sleeved with an impeller shaft seat 906, and the impeller shaft seat 906 is installed with an impeller assembly;

[0213] The air extraction hole is arranged on the side, away from the bearing seat one 904, of the air extractor shell 903, and the air extraction hole is connected with the air extraction pipe 908 between the air extraction hole and the shaker 901;

[0214] The side of the impeller assembly facing the air extraction hole is provided with an air inlet hole, and a space is arranged between the end of the fan shaft 905 and the air inlet hole and between the end of the impeller shaft seat 906 and the air inlet hole.

[0215] The pulverizer shell 902 is provided with a pulverizing chamber, the pulverizing chamber is provided with a pulverizing rotor, one side of the outer side of the pulverizer shell 902 is provided with a rice bran receiving port, one side of the upper end of the pulverizer shell 902 is provided with a material extraction port, the material extraction port is connected with a material extraction pipe, and the material extraction pipe is connected with the shaker dragon; one side of the upper end of the pulverizer shell 902 away from the material extraction port is provided with an air inlet port, and the air inlet port is connected with the air outlet port of the air extractor shell 903 through an air inlet pipe 909.

[0216] Through the above technical scheme, the rice bran enters the pulverizing chamber through the rice bran receiving port and is contacted with the pulverizing rotor, the rice bran is pulverized into fine bran by the rotation of the pulverizing rotor, and then the fine bran is extracted into the shaker dragon through the negative pressure generated by the rotation of the impeller assembly of the air extractor, the bottom of the shaker dragon is hingedly connected with a bran outlet door, when the fine bran accumulated in the shaker dragon is greater than the air extraction suction force, the fine bran is discharged, then under the action of the suction force, the bran outlet door is closed, and a space is arranged between the end of the fan shaft and the air inlet hole and between the end of the impeller shaft seat and the air inlet hole, so that the dust passing through the air extraction hole is accumulated on the fan shaft and the impeller shaft seat, avoiding the blockage of the impeller assembly caused by long-time operation of the equipment and affecting the air extraction efficiency.

[0217] Embodiment eleven:

[0218] The embodiment provides a rice mill combined with a huller, in addition to the technical scheme of the above embodiment, further having the following technical features.

[0219] Further, the air outlet end of the large bran fan is provided with a separation assembly for separating the dust mixed in the husk, and the separation assembly comprises:

[0220] The air outlet pipe 1010 is fixedly installed at the air outlet end of the large bran fan, and the end of the air outlet pipe 1010 away from the large bran fan is provided with a ring groove 1011;

[0221] The filter cartridge 1012 comprises a rotating part and a filtering part, one end of the rotating part is located in the ring groove 1011, the radially outer side right edge of the rotating part is provided with a threaded connection part, and the large-diameter groove wall of the ring groove 1011 is provided with an external thread matched with the threaded connection part;

[0222] The stepping motor is fixedly installed on the radially outer side of the air outlet pipe 1011, the output shaft of the stepping motor is provided with a driving gear connected through a key, the radially outer side of the rotating part is provided with a plurality of long strip-shaped teeth for meshing with the driving gear, the plurality of long strip-shaped teeth are distributed in a circumferential interval, and the length direction of the plurality of long strip-shaped teeth is parallel to the axial direction of the rotating part;

[0223] The discharge cylinder 1013 is sleeved outside the filter cylinder 1012, and a discharge port 1014 is formed in the middle of the upper end of the discharge cylinder 1013; a dust removal pipe 1015 is arranged on the discharge port 1014 and is used for connecting an external dust removal bag;

[0224] The material blocking column is arranged at the bottom of the discharge cylinder 1013 and extends to the filtering part, and the material blocking column is spaced from the rotating part to form a filtering area;

[0225] The discharge channel 1016 is formed in the lower edge of the right end of the material blocking column and extends to the bottom of the material blocking column, and the discharge channel 1016 is provided with a conveying belt four which has the same structure as the conveying belt one;

[0226] The chaff discharge pipe 1017 is arranged on the radial outer side of the discharge cylinder 1013 and is located below the discharge channel 1016, and the chaff discharge pipe 1017 is in communication with the discharge channel 1016;

[0227] In the scheme, the discharge motor is arranged at the left end of the discharge cylinder, and one end of the conveying belt four penetrates through the discharge cylinder 1013 and is in transmission connection with the discharge motor;

[0228] In the scheme, the arc-shaped material guide plate is arranged at the lower edge of the feeding end of the discharge channel, and the front and back edges of the arc-shaped material guide plate abut against the filter screen;

[0229] In the scheme, the discharge cylinder and the air outlet pipe are fixed by means of detachable connection through buckles, bolts and the like;

[0230] By adopting the above technical scheme, when the chaff mixed with dust is blown into the air outlet pipe by the large chaff blower, then enters the filtering area through the rotating part, since the discharge port is arranged above the discharge cylinder, air is discharged upward from the discharge port, small-particle-size dust is discharged through the filter screen, large-particle-size chaff is blocked by the material blocking column and the filter screen, then falls into the arc-shaped material guide plate under the action of gravity and enters the feeding end of the discharge channel along the arc-shaped material guide plate, and then the chaff is discharged through the chaff discharge pipe by the conveying belt four, and the load-carrying strip of the conveying belt four blocks the airflow from entering the discharge channel, thereby avoiding dust from entering the mixture.

[0231] By arranging the stepping motor, the filter cylinder can be driven to rotate regularly during the operation of the equipment, since the rotating part is in threaded connection with the air outlet pipe, the filter cylinder can gradually displace to the air outlet pipe, the part of the filter cylinder located at the discharge port can be regularly switched, the dust removal effect is ensured, and the service life of the filter cylinder is prolonged, and the arc-shaped material guide plate abutting against the filter screen can scrape off the chaff stuck on the filter cylinder with the rotation of the filter cylinder, thereby effectively avoiding blockage.

[0232] The above merely provides the preferred embodiment of the present application, and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A combined rice mill, characterized in that, the combined rice mill comprises a feeding hopper (1) for placing the rice to be processed; downstream of the feeding hopper (1) are sequentially arranged: a single-link lifting device (2) for extracting the rice in the feeding hopper (1); a round-rolling primary screening device (3) connected with the output end of the single-link lifting device (2) for screening the rice extracted by the single-link lifting device (2); a stone removing device (4) connected with the output end of the round-rolling primary screening device (3) for screening out the stones mixed in the rice; a double-link lifting device (5) comprising a connecting pipe one and a connecting pipe two, and a discharge pipe one and a discharge pipe two respectively arranged corresponding to the two, the double-link lifting device (5) being provided at the bottom with a receiving hopper one for receiving the rice discharged by the stone removing device, the connecting pipe one being in communication with the receiving hopper one for extracting the rice in the receiving hopper one; a hulling device (6), the feeding inlet of the hulling device (6) being located below the discharge pipe one for hulling the rice extracted by the receiving hopper one to form a mixture of husks and brown rice; a gravity screening device (7) for screening the brown rice; a rice milling device (8) for whitening and polishing the brown rice screened by the gravity screening device (7), comprising a rice outlet and a bran outlet for discharging the rice bran; wherein the lower end of the connecting pipe two is in communication with the output end of the hulling device (6) for conveying the mixture of husks and brown rice to the gravity screening device (7), and the downstream of the bran outlet of the rice milling device (8) is connected with a crushing device for crushing the rice bran; the single-link lifting device (2) comprises: a lower base one (200) provided with a rotating chamber one; an upper base one (201) located above the lower base one (200) and provided with a rotating chamber two; a connecting pipe three and a connecting pipe four connected between the rotating chamber one and the rotating chamber two; wherein a conveying belt one is arranged between the rotating chamber one and the rotating chamber two, the conveying belt one being sequentially arranged through the connecting pipe three and the connecting pipe four, the lower end of the connecting pipe three being in communication with the feeding hopper (1) on one side, and the lower end of the upper base one (201) being provided on one side with a feeding pipe extending to the round-rolling primary screening device (3), and a plurality of load strips for lifting the rice to the feeding inlet of the feeding pipe being circumferentially arranged on the outer side of the conveying belt one; the round-rolling primary screening device (3) comprises: a body (300) with an open upper end; a cover plate (301) installed on one side of the body (300) and having one end folded downward to form a flow guide slope; a feeding cover arranged on the upper end of the body (300) and having a feeding inlet on one side for the connecting pipe to extend into, and a flow guide plate (302) installed on the inner side of the feeding cover and extending to the flow guide slope; a roller (303) arranged on the inner side of the body (300) and located below the cover plate (301) and arranged in a Y direction; a plurality of screen holes arranged in a circumferential array on the radial outer side of the roller (303). An extension plate (304) is slidably installed inside the machine body (300), one side of the extension plate (304) is attached to the guide slope, and the other side extends to one side of the cylinder (303) in the X direction, and the lower end surface of the extension plate (304) is spaced apart from the radially outer side of the cylinder (303); An inner lining plate (305) is installed on one side wall inside the machine body (300) and is located below and adjacent to the extension plate (304); A slag discharge port (306) is provided on the side of the machine body (300) away from the inner lining plate (305), and the lower edge of the slag discharge port (306) is provided with a slag discharge plate extending towards the screen cylinder (303), and the slag discharge plate is arranged upwardly inclined; The lower end of the machine body (300) is provided with a discharge port for discharging rice through the screen holes; The machine body (300) further comprises: A drive motor is installed on one side of the machine body (300); A cylinder shaft (307) is fixedly installed on the cylinder (303), and one end of the cylinder shaft (307) penetrates the machine body (300) and is connected to the drive motor through a belt drive; A baffle (308) is oppositely arranged between the cylinder shaft (307) and the extension plate (304) and located inside the cylinder (303); The two sides of the baffle (308) are provided with support plate bodies which are sleeved on the cylinder shaft (307) and rotatably connected to the cylinder shaft (307), and a counterweight assembly is arranged between the lower edges of the two support plate bodies; A V-shaped connecting plate is arranged between the lower edges of the two support plate bodies, the counterweight assembly is fixedly installed on the upper end of the V-shaped connecting plate, and the counterweight assembly is a counterweight block with a certain mass; The rice hulling device (6) comprises: A rice hulling body (600); A rubber roller set comprising adjacent fixed rubber rollers and adjustable rubber rollers, one end of each of the fixed rubber rollers and the adjustable rubber rollers being provided with a first rotating shaft and a second rotating shaft, respectively; A belt, one end of each of the first rotating shaft and the second rotating shaft penetrating the rice hulling body (600) is provided with a belt pulley one (601) and a belt pulley two (602), respectively, and a belt pulley three (603) is further installed on one side of the rice hulling body (600), the belt sequentially passes through the upper edges of the belt pulley two (602), the belt pulley one (601) and the belt pulley three (603); A first fixed plate (604) is provided outside the rubber roller set; A second fixed plate (605) is provided between the first fixed plate (604) and the second fixed plate (605) to form a receiving area for the first rotating shaft and the second rotating shaft to pass through; An arc-shaped groove (606) is provided through the opposite sides of the first fixed plate (604) and the second fixed plate (605), and the second rotating shaft passes through the two arc-shaped grooves (606); A pushing device is provided in the receiving area to drive the second rotating shaft to move upward in an arc-shaped track towards the first rotating shaft in the arc-shaped groove (606); A sleeve is provided outside the second rotating shaft, a rotating bearing is provided between the second rotating shaft and the sleeve, the two ends of the sleeve pass through the two arc-shaped grooves, respectively, and the upper ends of the sleeve located in the receiving area are fixedly provided with connecting blocks, and a rotating rod one is rotatably installed between the two connecting blocks; The pushing device comprises a rotating rod II rotatably installed in the accommodating area, a pushing screw rod connected to the rotating rod II through screwing, one end of the pushing screw rod being rotatably connected to the rotating rod I, a limiting rod I being installed at the lower edge of the accommodating cavity, and a limiting rod II being provided at the lower edge of the sleeve and extending to the upper left of the limiting rod I.

2. The combined rice mill according to claim 1, wherein, The double lifting device (5) comprises: The lower seat II is internally provided with rotating chambers III and IV at intervals; The upper seat II (500) is located above the lower seat II, and the upper seat II (500) is internally provided with rotating chambers V and VI at intervals; The connecting pipe V is installed between the rotating chamber III and the rotating chamber V; The connecting pipe VI is installed between the rotating chamber IV and the rotating chamber VI; The conveying belt II is provided between the rotating chamber III and the rotating chamber V and sequentially passes through the connecting pipe I and the connecting pipe V; The conveying belt III is provided between the rotating chamber IV and the rotating chamber VI and sequentially passes through the connecting pipe II and the connecting pipe VI; The conveying belt II, the conveying belt III and the conveying belt I are of the same structure.

3. The combined rice mill according to claim 2, wherein, The gravity screening device (7) comprises: A screen frame (700); The gravity screen box (701) is internally provided with four layers of screen meshes with increasing densities from top to bottom; A cam is rotatably installed at one side of the screen frame and is hingedly connected with a swing arm at one side of the gravity screen box (701) to drive the gravity screen box (701) to swing back and forth; A clean brown rice discharge pipe (702); A rice discharge pipe (703); A rice and bran mixture discharge pipe (704); The clean brown rice discharge pipe (702), the rice discharge pipe (703) and the rice and bran mixture discharge pipe (704) are respectively installed at the outer side of the gravity screen frame, one end of the clean brown rice discharge pipe (702) extends to the feeding end of the rice milling device (8), one end of the rice discharge pipe (703) extends to the feeding end of the hulling device (6), and one end of the rice and bran mixture discharge pipe (704) extends to the connecting pipe II of the double lifting device (5).

4. The combined rice mill according to claim 1, wherein, The rice milling device (8) comprises: A polishing seat (800) internally provided with a polishing chamber (801), and a polishing iron roller (802) rotatably installed in the polishing chamber (801) for polishing brown rice; A whitening seat (803) installed at one side of the upper end of the polishing seat (800), the whitening seat (803) being internally provided with a whitening chamber (804), and a whitening sand roller (805) rotatably installed in the whitening chamber (804) for whitening brown rice; One side of the upper end of the whitening seat (803) is provided with a receiving port I, one side of the upper end of the polishing seat (800) is provided with a receiving port II, one side of the outer side of the whitening seat (803) is provided with a sand roller discharge port matched with the receiving port, and the outer side of the polishing seat (800) is provided with a rice outlet.

5. The combined rice mill according to claim 1, wherein, The white sand roller (805) comprises: a sand roller shaft rotatably installed in the whitening machine base (803); a whitening roller body (806) sleeved outside the sand roller shaft; a rice sieve cylinder I (807) sleeved outside the whitening roller body (806); a spiral conveying head I (808) installed outside the sand roller shaft and below the material receiving port, used for conveying the brown rice between the rice sieve cylinder I (807) and the whitening roller body (806); wherein a spiral groove is formed on the radial outer side of the whitening roller body (806), and a flow guide through groove (809) and a plurality of flow guide holes (810) are also formed on the radial outer side of the whitening roller body (806); The polishing iron roller (802) comprises: an iron roller shaft rotatably installed in the polishing chamber (801); a polishing roller body (811) sleeved outside the iron roller shaft; a rice sieve cylinder II (812) sleeved outside the sand roller shaft; a spiral conveying head II (813) installed outside the sand roller shaft and below the second material receiving port, used for conveying the brown rice between the rice sieve cylinder II (812) and the polishing roller body (811).

6. The combined rice mill according to claim 1, wherein the crushing device comprises a crushing machine base (900) and a shaker (901), and the crushing machine base (900) comprises: a crushing machine shell (902); an air extractor shell (903) located on one side of the crushing machine shell (902); a bearing seat I (904) installed on the side of the air extractor shell (903) away from the crushing machine shell (902); a fan shaft (905) installed in the bearing seat I (904), and one end of the fan shaft (905) penetrates through the bearing seat I (904) and extends into the air extractor shell (903) to be sleeved with an impeller shaft seat (906), and an impeller assembly is installed on the impeller shaft seat (906); an air extraction hole formed on the side of the air extractor shell (903) away from the bearing seat I (904), and an air extraction pipeline (908) is connected between the air extraction hole and the shaker (901); wherein the side of the impeller assembly facing the air extraction hole is provided with an air inlet hole, and a spacing is provided between the end of the fan shaft (905) and the air inlet hole and between the end of the impeller shaft seat (906) and the air inlet hole; wherein the crushing machine shell (902) is provided with a crushing chamber, the crushing chamber is installed with a crushing rotor, one side of the crushing machine shell (902) is provided with a rice bran material receiving port, one side of the upper end of the crushing machine shell (902) is provided with a material extraction port, the material extraction port is connected with a material extraction pipeline, one side of the upper end of the crushing machine shell (902) away from the material extraction port is provided with an air inlet, and an air inlet pipeline (909) is connected between the air inlet and the air outlet of the air extractor shell (903).

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