A crushing device and a rice processing and crushing method based on automatic separation

Abstract

The invention discloses a pulverizing device and a rice processing and pulverizing method based on automatic separation, and relates to the technical field of pulverizing devices. The invention comprises a base, a pulverizing assembly and a cleaning assembly, wherein the outer grinding cylinder moves vertically upward, and the inner grinding block moves downward, so that the inner grinding block moves out of the outer grinding cylinder; the cleaning lifting plate moves vertically downward, driving the cleaning drum and the cleaning brush rod to move, when the cleaning drum moves into the outer grinding cylinder, the cleaning brush rod moves through the outer grinding cylinder, the cleaning brush rod moves horizontally, so that the inner side of the cleaning brush rod fits with the inner grinding block, the cleaning drum rotates, and the inner wall of the outer grinding cylinder is cleaned, the cleaning drum rotates to drive the cleaning brush rod to rotate, the cleaning brush rod cleans the inner grinding block, and the inner grinding block is separated from the outer grinding cylinder, and the inner grinding block and the outer grinding cylinder are cleaned respectively by the cleaning brush rod and the cleaning drum, so as to avoid disassembling the equipment for cleaning work and improve work efficiency.

Description

Technical Field

[0001] The present invention belongs to the technical field of pulverizing equipment, and in particular, relates to pulverizing equipment and a rice processing and pulverizing method based on automatic separation. Background Art

[0002] Rice is a finished product made from rice grains after cleaning, husking, milling, and finishing. Rice contains nearly 64% of the nutrients in rice and more than 90% of the nutrients needed by the human body. It is also the main food for people in most parts of my country. Rice often needs to be crushed during processing;

[0003] Chinese patent application CN111215170A discloses a rice fast and efficient rice grinding device for rice processing. The invention can realize uniform feeding by driving the conveying auger to rotate through a servo motor, and can prevent the feeding from being too fast and affecting the subsequent grinding and crushing effect. Through the multi-stage grinding mechanism, the active grinding end 1, the active grinding end 2, the fixed grinding end 1 and the fixed grinding end 2 can be used to form three grinding areas;

[0004] When cleaning most of the current crushing equipment, it is usually necessary to disassemble the crushing equipment before cleaning the crushing connections inside the equipment. The equipment needs to be disassembled manually, which reduces work efficiency and reduces the applicability of the equipment. When crushing and grinding rice, the time that rice passes through the crushing parts is short, the degree of crushing completion is not high, and multiple stages of grinding are required, which reduces work efficiency. Summary of the invention

[0005] In view of the problems in the related art, the present invention proposes a crushing device and a rice processing and crushing method based on automatic separation, which has the functions of separating the inner grinding block from the outer grinding cylinder, cleaning the inner grinding block and the outer grinding cylinder respectively by a cleaning brush rod and a cleaning roller, avoiding disassembly of the equipment for cleaning work and improving work efficiency; after the rice is ground by the outer grinding cylinder and the inner grinding block, the powdered rice moves downward under the action of gravity, avoiding the clogging of the crushing device by the powder, and the rice powder is still ground by the lower half of the inner grinding block during the falling process, thereby improving the grinding effect and the like, and solves the technical problems that the crushing connection inside the equipment can only be cleaned by disassembling the crushing device, and the equipment needs to be disassembled manually, which has low work efficiency and reduces the applicability of the equipment; when the rice is crushed and ground, the time that the rice passes through the crushing parts is short, the degree of crushing completion is not high, and multiple stages of grinding are required, thereby reducing work efficiency.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: The present invention is a pulverizing device, comprising a base, a pulverizing assembly and a cleaning assembly, wherein the pulverizing assembly comprises a pulverizing barrel, an inner grinding block and an outer grinding cylinder, the pulverizing barrel is fixedly mounted on the top surface of the base, the outer grinding cylinder is arranged in the pulverizing barrel, the inner grinding block is arranged in the outer grinding cylinder, and the cleaning assembly is arranged above the base;

[0007] The outer grinding cylinder can move vertically, and the inner grinding block can move downward, so that the inner grinding block moves out of the outer grinding cylinder;

[0008] The cleaning assembly includes a cleaning lifting plate, a cleaning drum and a cleaning unit, the cleaning unit includes a cleaning brush rod, the cleaning lifting plate is arranged above the crushing barrel, the cleaning drum is arranged below the cleaning lifting plate, and the cleaning brush rod is arranged below the cleaning drum;

[0009] When the cleaning lifting plate moves vertically, the cleaning roller and the cleaning brush rod can move vertically. When the cleaning roller moves into the outer grinding roller, the cleaning roller can rotate. After the cleaning brush rod moves through the outer grinding roller, the cleaning brush rod can move horizontally so that the inner side of the cleaning brush rod fits with the inner grinding block. The rotation of the cleaning roller can drive the cleaning brush rod to rotate.

[0010] Preferably, the cleaning unit also includes a cleaning mounting circular plate, a cleaning moving block, a lifting ring plate, a lifting guide rod, a rotating connecting rod and a pushing cylinder. The cleaning mounting circular plate is arranged below the cleaning roller, and a plurality of cleaning mounting openings are provided on the top surface of the cleaning mounting circular plate, and the cleaning mounting openings are evenly distributed in a circle. The cleaning moving block is slidably installed in the cleaning mounting opening, and the cleaning brush rod is fixedly installed on the bottom surface of the cleaning moving block. The lifting guide rod is fixedly installed on the top surface of the cleaning mounting circular plate, the lifting ring plate is slidably sleeved on the lifting guide rod, and a plurality of rotating mounting grooves are provided on the lifting ring plate. One end of the rotating connecting rod is rotatably installed in the rotating mounting groove, and the other end is rotatably installed on the top surface of the cleaning moving block. The top end of the lifting guide rod is fixedly installed on the bottom surface of the cleaning roller, and the pushing cylinder is fixedly installed in the cleaning roller, and the output end of the pushing cylinder passes through the bottom surface of the cleaning roller and is fixedly connected to the top surface of the lifting ring plate.

[0011] Preferably, the cleaning assembly also includes a roller connecting block, a lifting mounting block, a cleaning motor and a lifting electric push rod, the lifting mounting block is arranged below the cleaning lifting plate, the lifting electric push rod is fixedly mounted on the top surface of the cleaning lifting plate, the output end of the lifting electric push rod passes through the cleaning lifting plate and is fixedly connected to the lifting mounting block, the lifting mounting block is provided with a motor mounting groove, the cleaning motor is fixedly mounted in the motor mounting groove, the roller connecting block is rotatably mounted on the bottom surface of the lifting mounting block, the cleaning motor drive shaft passes through the lifting mounting block and is fixedly connected to the roller connecting block, and the roller connecting block is fixedly mounted on the top surface of the cleaning roller.

[0012] Preferably, the cleaning assembly also includes a rotating mounting column, a lifting screw rod, a lifting motor, a fixed mounting block and a rotating motor, the fixed mounting block is fixedly mounted on the top surface of the base, the rotating mounting column is rotatably mounted on the top surface of the fixed mounting block, the fixed mounting block is provided with a rotating mounting slot, the rotating motor is fixedly mounted in the rotating mounting slot, the rotating motor drive shaft passes through the fixed mounting block and is fixedly connected to the rotating mounting column, the rotating mounting column has a lifting mounting slot on the side surface, the lifting screw rod is rotatably mounted in the lifting mounting slot, the lifting motor is fixedly mounted on the top surface of the rotating mounting column, the lifting motor drive shaft passes through the rotating mounting column and is fixedly connected to the lifting screw rod, a sliding block is threadedly sleeved on the lifting screw rod, the sliding block slidably cooperates with the lifting mounting slot, and the sliding block is fixedly connected to the cleaning lifting plate.

[0013] Preferably, the crushing assembly also includes a guide hopper, a lifting rod, a lifting rack, a rotating gear, a lifting rack and a gear mounting rod. The guide hopper is fixedly mounted on the top of the crushing barrel. Two lifting openings are arranged around the crushing barrel. One end of the lifting rod passes through the lifting opening and is fixedly connected to the bottom surface of the outer grinding cylinder. The lifting rack is fixedly mounted on the top of the lifting rod. The gear mounting rod is fixedly mounted on the top surface of the base. The rotating gear is rotatably mounted on the side of the gear mounting rod. The lifting rack is meshed with the rotating gear, and the lifting rack is slidably mounted on the gear mounting rod. The lifting racks are fixedly mounted on both sides of the cleaning lifting plate, and the lifting racks are meshed with the rotating gear.

[0014] Preferably, the crushing assembly also includes a lifting and rotating rod, a grinding motor, a lifting cylinder and a lifting connecting plate, the lifting and rotating rod is fixedly installed on the bottom surface of the inner grinding block, the grinding motor is arranged under the base, the lifting and rotating rod passes through the base and is fixedly connected to the grinding motor drive shaft, the lifting cylinder is fixedly installed on the side of the base, the lifting cylinder output end is fixedly connected to the lifting connecting plate, and the lifting connecting plate is fixedly connected to the grinding motor.

[0015] Preferably, the outer contour diameter of the outer grinding cylinder is equal to the inner contour diameter of the grinding barrel, and a plurality of grinding protrusions are arranged on the inner wall of the outer grinding cylinder.

[0016] Preferably, the upper part of the inner grinding block is in the shape of a frustum, the lower part is in the shape of a cylinder, and a plurality of grinding protrusions are arranged around the inner grinding block.

[0017] Preferably, the diameters of the cleaning mounting circular plate and the cleaning drum are smaller than the inner contour diameter of the outer grinding drum, a plurality of brushes are arranged on the inner side of the cleaning brush rod, and a plurality of brushes are arranged around the cleaning drum.

[0018] A rice processing and pulverizing method based on automatic separation, the above-mentioned pulverizing equipment comprises the following steps:

[0019] The rice is introduced into the grinding barrel, the outer grinding cylinder is fixed, the inner grinding block is rotated, the rice is ground and crushed by the outer grinding cylinder, and the ground rice is introduced into the vibrating grading screen for sorting and separation;

[0020] After the crushing is completed, the outer grinding cylinder moves vertically upward, and the inner grinding block moves downward, so that the inner grinding block moves out of the outer grinding cylinder;

[0021] The cleaning lifting plate moves vertically downward, driving the cleaning roller and the cleaning brush rod to move. When the cleaning roller moves into the outer grinding roller, the cleaning brush rod moves through the outer grinding roller. The cleaning brush rod moves horizontally to make the inner side of the cleaning brush rod fit with the inner grinding block. The cleaning roller rotates to clean the inner wall of the outer grinding roller. The rotation of the cleaning roller drives the cleaning brush rod to rotate, and the cleaning brush rod cleans the inner grinding block.

[0022] Compared with the prior art, the present invention provides a pulverizing device and a rice processing and pulverizing method based on automatic separation, which has the following beneficial effects:

[0023] 1. The outer grinding cylinder moves vertically upward, and the inner grinding block moves downward, so that the inner grinding block moves out of the outer grinding cylinder; the cleaning lifting plate moves vertically downward, driving the cleaning drum and the cleaning brush rod to move. When the cleaning drum moves into the outer grinding cylinder, the cleaning brush rod moves through the outer grinding cylinder, and the cleaning brush rod moves horizontally, so that the inner side of the cleaning brush rod fits with the inner grinding block. The cleaning drum rotates to clean the inner wall of the outer grinding cylinder. The rotation of the cleaning drum drives the cleaning brush rod to rotate, and the cleaning brush rod cleans the inner grinding block, so that the inner grinding block is separated from the outer grinding cylinder. The inner grinding block and the outer grinding cylinder are cleaned respectively by the cleaning brush rod and the cleaning drum, avoiding disassembly of the equipment for cleaning work and improving work efficiency.

[0024] 2. The rice is introduced into the grinding barrel, the outer grinding cylinder is fixed, the inner grinding block rotates, and the rice is ground and crushed by the outer grinding cylinder; the outer grinding cylinder and the inner grinding block are placed vertically, and after the rice is ground by the outer grinding cylinder and the inner grinding block, the powdered rice moves downward under the action of gravity to avoid the powder clogging the grinding device. The rice powder is still ground by the lower part of the inner grinding block during the falling process, thereby improving the grinding effect.

[0025] 3. When the cleaning drum rotates, the brushes around it clean the inner wall of the outer grinding cylinder. When the cleaning brush rod rotates, the brush inside the cleaning brush rod cleans the outer wall of the inner grinding block to improve the cleaning effect.

[0026] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the invention, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0028] Figure 1 It is one of the overall three-dimensional structural schematic diagrams of the present invention;

[0029] Figure 2 This is the second schematic diagram of the overall three-dimensional structure of the present invention;

[0030] Figure 3 It is one of the partial three-dimensional structural schematic diagrams of the present invention;

[0031] Figure 4 For the present invention Figure 3 A schematic diagram of the structure at A;

[0032] Figure 5 This is the second schematic diagram of the partial three-dimensional structure of the present invention;

[0033] Figure 6 For the present invention Figure 5 Schematic diagram of the structure at B;

[0034] Figure 7 This is the third schematic diagram of the partial three-dimensional structure of the present invention;

[0035] Figure 8 For the present invention Figure 7 Schematic diagram of the structure at C;

[0036] Fig. 9 This is the fourth schematic diagram of the partial three-dimensional structure of the present invention;

[0037] Fig.10 For the present invention Fig. 9 Schematic diagram of the structure at D.

[0038] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0039] 1. Base; 2. Crushing assembly; 201. Crushing barrel; 202. Inner grinding block; 203. Outer grinding cylinder; 204. Guide hopper; 205. Lifting rod; 206. Lifting rack; 207. Rotating gear; 208. Lifting rack; 209. Gear mounting rod; 210. Lifting and rotating rod; 211. Grinding motor; 212. Lifting cylinder; 213. Lifting connecting plate; 3. Cleaning assembly; 301. Cleaning lifting plate; 302. Cleaning roller; 303. Roller connecting rod Connecting block; 304, lifting installation block; 305, cleaning motor; 306, lifting electric push rod; 307, rotating installation column; 308, lifting screw rod; 309, lifting motor; 310, fixed installation block; 311, rotating motor; 312, sliding block; 4, cleaning unit; 401, cleaning brush rod; 402, cleaning installation circular plate; 403, cleaning moving block; 404, lifting ring plate; 405, lifting guide rod; 406, rotating connecting rod; 407, pushing cylinder. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the invention to clearly and completely describe the technical solutions in the embodiments of the invention. Obviously, the described embodiments are only part of the embodiments of the invention, not all of the embodiments. Based on the embodiments in the invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the invention.

[0041] In the description of the present invention, it is necessary to understand that the terms "opening", "upper", "lower", "top", "middle", "inside" and the like indicating orientation or positional relationship are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the invention.

[0042] For examples, see Figure 1 - Fig.10 As shown, the present invention is a pulverizing device, comprising a base 1, a pulverizing assembly 2 and a cleaning assembly 3, the pulverizing assembly 2 comprising a pulverizing barrel 201, an inner grinding block 202 and an outer grinding cylinder 203, the pulverizing barrel 201 is fixedly mounted on the top surface of the base 1, the outer grinding cylinder 203 is arranged in the pulverizing barrel 201, the inner grinding block 202 is arranged in the outer grinding cylinder 203, and the cleaning assembly 3 is arranged above the base 1;

[0043] The outer grinding cylinder 203 can move vertically, and the inner grinding block 202 can move downward, so that the inner grinding block 202 moves out of the outer grinding cylinder 203;

[0044] The cleaning assembly 3 includes a cleaning lifting plate 301, a cleaning roller 302 and a cleaning unit 4. The cleaning unit 4 includes a cleaning brush rod 401. The cleaning lifting plate 301 is arranged above the crushing barrel 201, the cleaning roller 302 is arranged below the cleaning lifting plate 301, and the cleaning brush rod 401 is arranged below the cleaning roller 302.

[0045] When the cleaning lifting plate 301 moves vertically, the cleaning roller 302 and the cleaning brush rod 401 can move vertically. When the cleaning roller 302 moves into the outer grinding cylinder 203, the cleaning roller 302 can rotate. After the cleaning brush rod 401 moves through the outer grinding cylinder 203, the cleaning brush rod 401 can move horizontally, so that the inner side of the cleaning brush rod 401 fits with the inner grinding block 202. The rotation of the cleaning roller 302 can drive the cleaning brush rod 401 to rotate.

[0046] When in use, rice is introduced into the grinding barrel 201, the outer grinding cylinder 203 is fixed, and the inner grinding block 202 rotates, and the rice is ground and crushed by the outer grinding cylinder 203; the outer grinding cylinder 203 and the inner grinding block 202 are placed vertically, and after the rice is ground by the outer grinding cylinder 203 and the inner grinding block 202, the powdered rice moves downward under the action of gravity, so that the powder is prevented from clogging the grinding device, and the rice powder is still ground in the process of falling, thereby improving the grinding effect;

[0047] The ground rice is introduced into the vibrating grading screen for sorting and separation;

[0048] After the crushing is completed, the outer grinding cylinder 203 moves vertically upward, and the inner grinding block 202 moves downward, so that the inner grinding block 202 moves out of the outer grinding cylinder 203; the cleaning lifting plate 301 moves vertically downward, driving the cleaning roller 302 and the cleaning brush rod 401 to move. When the cleaning roller 302 moves into the outer grinding cylinder 203, the cleaning brush rod 401 moves through the outer grinding cylinder 203, and the cleaning brush rod 401 moves horizontally so that the inner side of the cleaning brush rod 401 fits with the inner grinding block 202. The cleaning roller 302 rotates to clean the inner wall of the outer grinding cylinder 203. The rotation of the cleaning roller 302 drives the cleaning brush rod 401 to rotate, and the cleaning brush rod 401 cleans the inner grinding block 202, so that the inner grinding block 202 is separated from the outer grinding cylinder 203. The inner grinding block 202 and the outer grinding cylinder 203 are cleaned respectively by the cleaning brush rod 401 and the cleaning roller 302, thereby avoiding disassembling the equipment for cleaning work and improving work efficiency.

[0049] See also Figure 4 , Figure 5 , Figure 6The cleaning unit 4 also includes a cleaning installation circular plate 402, a cleaning moving block 403, a lifting ring plate 404, a lifting guide rod 405, a rotating connecting rod 406 and a pushing cylinder 407. The cleaning installation circular plate 402 is arranged below the cleaning drum 302. A plurality of cleaning installation openings are provided on the top surface of the cleaning installation plate. The cleaning installation openings are evenly distributed in a circle. The cleaning moving block 403 is slidably installed in the cleaning installation opening. A cleaning brush rod 401 is fixedly installed on the bottom surface of the cleaning moving block 403. The lifting guide rod 405 is fixedly installed on the cleaning roller 306. The top surface of the installation circular plate 402, the lifting ring plate 404 is slidably sleeved on the lifting guide rod 405, a plurality of rotating installation grooves are opened on the lifting ring plate 404, one end of the rotating connecting rod 406 is rotatably installed in the rotating installation groove, and the other end is rotatably installed on the top surface of the cleaning moving block 403, the top of the lifting guide rod 405 is fixedly installed on the bottom surface of the cleaning drum 302, the pushing cylinder 407 is fixedly installed in the cleaning drum 302, and the output end of the pushing cylinder 407 passes through the bottom surface of the cleaning drum 302 and is fixedly connected to the top surface of the lifting ring plate 404;

[0050] During use, for cleaning, the cylinder 407 is pushed to drive the lifting ring plate 404 to move downward, and the lifting ring plate 404 moves downward to push the rotating connecting rod 406 to drive the cleaning moving block 403 to move away from the lifting guide rod 405. The movement of the cleaning moving block 403 drives the cleaning brush rod 401 to move, and the cleaning brush rod 401 is in contact with the outer wall of the inner grinding block 202.

[0051] See also Figure 1 , Figure 8 The cleaning assembly 3 also includes a roller connecting block 303, a lifting mounting block 304, a cleaning motor 305 and a lifting electric push rod 306. The lifting mounting block 304 is arranged below the cleaning lifting plate 301. The lifting electric push rod 306 is fixedly mounted on the top surface of the cleaning lifting plate 301. The output end of the lifting electric push rod 306 passes through the cleaning lifting plate 301 and is fixedly connected to the lifting mounting block 304. The lifting mounting block 304 is provided with a motor mounting groove. The cleaning motor 305 is fixedly mounted in the motor mounting groove. The roller connecting block 303 is rotatably mounted on the bottom surface of the lifting mounting block 304. The driving shaft of the cleaning motor 305 passes through the lifting mounting block 304 and is fixedly connected to the roller connecting block 303. The roller connecting block 303 is fixedly mounted on the top surface of the cleaning roller 302.

[0052] When in use, the cleaning electric push rod drives the lifting installation block 304 to rise and fall; the cleaning motor 305 drives the roller connecting block 303 to rotate, thereby driving the cleaning roller 302 to rotate, and the cleaning roller 302 drives the cleaning installation circular plate 402 to rotate through the lifting guide rod 405, and the cleaning installation circular plate 402 drives the cleaning brush plate to rotate.

[0053] See also Figure 1 , Fig. 9The cleaning component 3 also includes a rotating mounting column 307, a lifting screw rod 308, a lifting motor 309, a fixed mounting block 310 and a rotating motor 311. The fixed mounting block 310 is fixedly mounted on the top surface of the base 1, the rotating mounting column 307 is rotatably mounted on the top surface of the fixed mounting block 310, the fixed mounting block 310 is provided with a rotating mounting groove, the rotating motor 311 is fixedly mounted in the rotating mounting groove, the driving shaft of the rotating motor 311 passes through the fixed mounting block 310 and is fixedly connected to the rotating mounting column 307, the side of the rotating mounting column 307 is provided with a lifting mounting groove, the lifting screw rod 308 is rotatably mounted in the lifting mounting groove, the lifting motor 309 is fixedly mounted on the top surface of the rotating mounting column 307, the driving shaft of the lifting motor 309 passes through the rotating mounting column 307 and is fixedly connected to the lifting screw rod 308, a sliding block 312 is threadedly sleeved on the lifting screw rod 308, the sliding block 312 is slidably matched with the lifting mounting groove, and the sliding block 312 is fixedly connected to the cleaning lifting plate 301;

[0054] When in use, the lifting motor 309 drives the lifting screw 308 to rotate, and the lifting screw 308 rotates through the sliding block 312 to drive the cleaning lifting plate 301 to move vertically; after cleaning is completed, the rotating motor 311 drives the rotating mounting column 307 to rotate, so that the cleaning brush plate and the cleaning roller 302 move to prevent affecting the crushing work.

[0055] See also Figure 4 , Figure 7 , Figure 8 The crushing assembly 2 also includes a guide hopper 204, a lifting rod 205, a lifting rack 206, a rotating gear 207, a lifting rack 208 and a gear mounting rod 209. The guide hopper 204 is fixedly mounted on the top of the crushing barrel 201. Two lifting ports are arranged around the crushing barrel 201. One end of the lifting rod 205 passes through the lifting port and is fixedly connected to the bottom surface of the outer grinding cylinder 203. The lifting rack 206 is fixedly mounted on the top of the lifting rod 205. The gear mounting rod 209 is fixedly mounted on the top surface of the base 1. The rotating gear 207 is rotatably mounted on the side of the gear mounting rod 209. The lifting rack 206 is meshed with the rotating gear 207, and the lifting rack 206 is slidably mounted on the gear mounting rod 209. Lifting racks 208 are fixedly mounted on both sides of the cleaning lifting plate 301, and the lifting racks 208 are meshed with the rotating gear 207.

[0056] During use, rice enters the crushing barrel 201 through the guide hopper 204; after the crushing is completed, the cleaning lifting plate 301 moves downward to drive the lifting rack 208 to move, the movement of the lifting rack 208 drives the rotating gear 207 to rotate, the rotation of the rotating gear 207 drives the lifting rack 206 to move upward, the lifting rack 206 drives the lifting rod 205 to move upward, and the lifting rod 205 drives the outer grinding cylinder 203 to move upward.

[0057] See also Figure 4 , Fig.10 The crushing assembly 2 also includes a lifting and rotating rod 210, a grinding motor 211, a lifting cylinder 212 and a lifting connecting plate 213. The lifting and rotating rod 210 is fixedly installed on the bottom surface of the inner grinding block 202, and the grinding motor 211 is arranged below the base 1. The lifting and rotating rod 210 passes through the base 1 and is fixedly connected to the driving shaft of the grinding motor 211. The lifting cylinder 212 is fixedly installed on the side of the base 1. The output end of the lifting cylinder 212 is fixedly connected to the lifting connecting plate 213, and the lifting connecting plate 213 is fixedly connected to the grinding motor 211;

[0058] During use, after the crushing is completed, the lifting cylinder 212 drives the lifting connecting plate 213 to move downward, the lifting connecting plate 213 drives the grinding motor 211 to move, and the grinding motor 211 drives the lifting rotating rod 210 to move downward, thereby driving the inner grinding block 202 to move downward.

[0059] See also Figure 4 The outer diameter of the outer grinding cylinder 203 is equal to the inner diameter of the grinding barrel 201, and a plurality of grinding protrusions are arranged on the inner wall of the outer grinding cylinder 203;

[0060] When in use, the outer wall of the outer grinding cylinder 203 fits with the inner wall of the grinding barrel 201 .

[0061] See also Figure 4 The upper part of the inner grinding block 202 is in the shape of a cone, the lower part is in the shape of a cylinder, and a plurality of grinding protrusions are arranged around the inner grinding block 202;

[0062] When in use, a plurality of grinding protrusions are provided on the inner wall of the outer grinding cylinder 203 and a plurality of grinding protrusions are provided around the inner grinding block 202 to improve the grinding effect.

[0063] See also Figure 4 The diameters of the cleaning installation circular plate 402 and the cleaning roller 302 are smaller than the inner contour diameter of the outer grinding cylinder 203. A plurality of brushes are arranged on the inner side of the cleaning brush rod 401, and a plurality of brushes are arranged around the cleaning roller 302.

[0064] When in use, the brush can improve the cleaning effect on the inner wall of the outer grinding cylinder 203 and the outer wall of the inner grinding block 202.

[0065] A rice processing and pulverizing method based on automatic separation, using the above-mentioned pulverizing equipment, comprises the following steps:

[0066] The rice is introduced into the grinding barrel 201, the outer grinding cylinder 203 is fixed, and the inner grinding block 202 rotates, and the rice is ground and crushed by the outer grinding cylinder 203, and the ground rice is introduced into the vibrating grading screen for sorting and separation;

[0067] After the crushing is completed, the outer grinding cylinder 203 moves vertically upward, and the inner grinding block 202 moves downward, so that the inner grinding block 202 moves out of the outer grinding cylinder 203;

[0068] The cleaning lifting plate 301 moves vertically downward, driving the cleaning roller 302 and the cleaning brush rod 401 to move. When the cleaning roller 302 moves into the outer grinding cylinder 203, the cleaning brush rod 401 moves through the outer grinding cylinder 203. The cleaning brush rod 401 moves horizontally, so that the inner side of the cleaning brush rod 401 fits with the inner grinding block 202. The cleaning roller 302 rotates to clean the inner wall of the outer grinding cylinder 203. The rotation of the cleaning roller 302 drives the cleaning brush rod 401 to rotate, and the cleaning brush rod 401 cleans the inner grinding block 202.

[0069] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0070] The preferred embodiments of the invention disclosed above are only used to help illustrate the invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the invention, so that those skilled in the art can better understand and use the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A crushing device, comprising a base, a crushing assembly and a cleaning assembly, characterized in that: The crushing assembly comprises a crushing barrel, an inner grinding block and an outer grinding cylinder, the crushing barrel is fixedly mounted on the top surface of the base, the outer grinding cylinder is arranged in the crushing barrel, the inner grinding block is arranged in the outer grinding cylinder, and the cleaning assembly is arranged above the base; The outer grinding cylinder can move vertically, and the inner grinding block can move downward, so that the inner grinding block moves out of the outer grinding cylinder; The cleaning assembly includes a cleaning lifting plate, a cleaning drum and a cleaning unit, the cleaning unit includes a cleaning brush rod, the cleaning lifting plate is arranged above the crushing barrel, the cleaning drum is arranged below the cleaning lifting plate, and the cleaning brush rod is arranged below the cleaning drum; When the cleaning lifting plate moves vertically, the cleaning drum and the cleaning brush rod can move vertically. When the cleaning drum moves into the outer grinding drum, the cleaning drum can rotate. After the cleaning brush rod moves through the outer grinding drum, the cleaning brush rod can move horizontally so that the inner side of the cleaning brush rod fits the inner grinding block. The rotation of the cleaning drum can drive the cleaning brush rod to rotate. The cleaning unit also includes a cleaning mounting circular plate, a cleaning moving block, a lifting ring plate, a lifting guide rod, a rotating connecting rod and a pushing cylinder. The cleaning mounting circular plate is arranged below the cleaning roller, and a plurality of cleaning mounting openings are provided on the top surface of the cleaning mounting circular plate, and the cleaning mounting openings are evenly distributed in a circle. The cleaning moving block is slidably installed in the cleaning mounting opening, and the cleaning brush rod is fixedly installed on the bottom surface of the cleaning moving block. The lifting guide rod is fixedly installed on the top surface of the cleaning mounting circular plate, the lifting ring plate is slidably sleeved on the lifting guide rod, and a plurality of rotating mounting grooves are provided on the lifting ring plate. One end of the rotating connecting rod is rotatably installed in the rotating mounting groove, and the other end is rotatably installed on the top surface of the cleaning moving block. The top end of the lifting guide rod is fixedly installed on the bottom surface of the cleaning roller, and the pushing cylinder is fixedly installed in the cleaning roller, and the output end of the pushing cylinder passes through the bottom surface of the cleaning roller and is fixedly connected to the top surface of the lifting ring plate.

2. A comminution device according to claim 1, characterized in that: The cleaning assembly also includes a roller connecting block, a lifting mounting block, a cleaning motor and a lifting electric push rod. The lifting mounting block is arranged below the cleaning lifting plate, the lifting electric push rod is fixedly mounted on the top surface of the cleaning lifting plate, the output end of the lifting electric push rod passes through the cleaning lifting plate and is fixedly connected to the lifting mounting block, the lifting mounting block is provided with a motor mounting groove, the cleaning motor is fixedly mounted in the motor mounting groove, the roller connecting block is rotatably mounted on the bottom surface of the lifting mounting block, the cleaning motor drive shaft passes through the lifting mounting block and is fixedly connected to the roller connecting block, and the roller connecting block is fixedly mounted on the top surface of the cleaning roller.

3. A comminution device according to claim 2, characterized in that: The cleaning assembly also includes a rotating mounting column, a lifting screw rod, a lifting motor, a fixed mounting block and a rotating motor. The fixed mounting block is fixedly mounted on the top surface of the base, the rotating mounting column is rotatably mounted on the top surface of the fixed mounting block, the fixed mounting block is provided with a rotating mounting slot, the rotating motor is fixedly mounted in the rotating mounting slot, the rotating motor driving shaft passes through the fixed mounting block and is fixedly connected to the rotating mounting column, the rotating mounting column has a lifting mounting slot on the side surface, the lifting screw rod is rotatably mounted in the lifting mounting slot, the lifting motor is fixedly mounted on the top surface of the rotating mounting column, the lifting motor driving shaft passes through the rotating mounting column and is fixedly connected to the lifting screw rod, a sliding block is threadedly sleeved on the lifting screw rod, the sliding block slidably cooperates with the lifting mounting slot, and the sliding block is fixedly connected to the cleaning lifting plate.

4. A comminution device according to claim 3, characterized in that: The crushing assembly also includes a guide hopper, a lifting rod, a lifting rack, a rotating gear, a lifting rack and a gear mounting rod. The guide hopper is fixedly mounted on the top of the crushing barrel. Two lifting openings are arranged around the crushing barrel. One end of the lifting rod passes through the lifting opening and is fixedly connected to the bottom surface of the outer grinding cylinder. The lifting rack is fixedly mounted on the top of the lifting rod. The gear mounting rod is fixedly mounted on the top surface of the base. The rotating gear is rotatably mounted on the side of the gear mounting rod. The lifting rack is meshed with the rotating gear, and the lifting rack is slidably mounted on the gear mounting rod. The lifting racks are fixedly mounted on both sides of the cleaning lifting plate, and the lifting racks are meshed with the rotating gear.

5. A comminution device according to claim 4, characterized in that: The crushing assembly also includes a lifting and rotating rod, a grinding motor, a lifting cylinder and a lifting connecting plate. The lifting and rotating rod is fixedly installed on the bottom surface of the inner grinding block, the grinding motor is arranged under the base, the lifting and rotating rod passes through the base and is fixedly connected to the driving shaft of the grinding motor, the lifting cylinder is fixedly installed on the side of the base, the output end of the lifting cylinder is fixedly connected to the lifting connecting plate, and the lifting connecting plate is fixedly connected to the grinding motor.

6. A comminution device according to claim 5, characterized in that: The outer contour diameter of the outer grinding cylinder is equal to the inner contour diameter of the grinding barrel, and the inner wall of the outer grinding cylinder is provided with a plurality of grinding protrusions.

7. A comminution device according to claim 6, characterized in that: The upper part of the inner grinding block is in the shape of a frustum, and the lower part is in the shape of a cylinder, and a plurality of grinding protrusions are arranged around the inner grinding block.

8. A comminution device according to claim 7, characterized in that: The diameters of the cleaning mounting circular plate and the cleaning drum are smaller than the inner contour diameter of the outer grinding drum, a plurality of brushes are arranged on the inner side of the cleaning brush rod, and a plurality of brushes are arranged around the cleaning drum.

9. A rice processing and pulverizing method based on automatic separation, characterized in that: The comminution device according to any one of claims 1 to 8 is used, comprising the following steps: The rice is introduced into the grinding barrel, the outer grinding cylinder is fixed, the inner grinding block is rotated, the rice is ground and crushed by the outer grinding cylinder, and the ground rice is introduced into the vibrating grading screen for sorting and separation; After the crushing is completed, the outer grinding cylinder moves vertically upward, and the inner grinding block moves downward, so that the inner grinding block moves out of the outer grinding cylinder; The cleaning lifting plate moves vertically downward, driving the cleaning roller and the cleaning brush rod to move. When the cleaning roller moves into the outer grinding roller, the cleaning brush rod moves through the outer grinding roller. The cleaning brush rod moves horizontally to make the inner side of the cleaning brush rod fit with the inner grinding block. The cleaning roller rotates to clean the inner wall of the outer grinding roller. The rotation of the cleaning roller drives the cleaning brush rod to rotate, and the cleaning brush rod cleans the inner grinding block.

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