CN108855390B

CN108855390B - Rice grinding mechanism

Info

Publication number: CN108855390B
Application number: CN201810655507.9A
Authority: CN
Inventors: 施鑫镛
Original assignee: Ningxia Hongshuangying Oils And Foodstuffs Co ltd
Current assignee: NINGXIA HONGSHUANGYING OILS AND FOODSTUFFS Co.,Ltd.
Priority date: 2018-06-23
Filing date: 2018-06-23
Publication date: 2021-01-12
Anticipated expiration: 2038-06-23
Also published as: CN108855390A

Abstract

The invention discloses a rice grinding mechanism which comprises a box body, a first grinding device arranged in the box body, a second grinding device arranged below the first grinding device, a receiving vehicle arranged below the second grinding device and a material conveying device arranged on one side of the box body, wherein a drying device is arranged at the top of the box body 1, a discharge hole is formed in one side of the box body, a movable door is arranged at the discharge hole, an automatic door opening device is arranged on the box body, and an automatic material pushing device is arranged at the bottom of the box body; the rice can be dried before the rice is crushed, so that the water doped in the rice is removed, the rice crushing efficiency is improved, and the quality of finished products is improved; the ground rice noodles can be conveniently collected and treated, finished products in the equipment box can be easily taken out, and the working efficiency is improved.

Description

Rice grinding mechanism

Technical Field

The invention belongs to the technical field of rice processing, and particularly relates to a rice grinding mechanism.

Background

The rice is one of people's staple food, and the rice has high nutritive value and edible value, and along with the progress of science and technology, the rice is not only used as the staple food, still is processed into other types of product, and in the course of working, need smash the rice, carries out subsequent processing and utilizes after making it into rice flour. When the existing rice grinding mechanism grinds rice, the rice to be processed contains some water, so that the rice flour prepared by grinding the rice has certain water, and the quality of finished products is influenced; after the rice grinding treatment, can't carry out fine collection to the rice after smashing to the finished product to collecting in the machine inside is difficult for taking out, increases the process of operation, influences work efficiency.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the rice grinding mechanism which is convenient for taking out the crushed products and is easy for collecting the finished products.

In order to achieve the purpose, the invention adopts the following technical scheme: a rice grinding mechanism comprises a box body, a first grinding device arranged in the box body, a second grinding device arranged below the first grinding device, a receiving vehicle arranged below the second grinding device and a material conveying device arranged on one side of the box body, wherein a drying device is arranged at the top of the box body, a discharge hole is formed in one side of the box body, a movable door is arranged at the discharge hole, an automatic door opening device is arranged on the box body, and an automatic material pushing device is arranged at the bottom of the box body; when rice to be treated enters the box body for crushing treatment, the drying device arranged at the top of the box body dries the rice to enable moisture in the rice to be volatilized quickly, so that the rice is prevented from being doped with moisture in the grinding process to cause certain influence on rice flour, and the quality of finished products is improved; after the rice is ground, the ground rice falls into the material receiving vehicle, the material receiving vehicle provides a collection effect for the manufactured rice flour, when the rice is ground, the movable door is opened under the effect of the automatic door opening device, the material receiving vehicle pushes out of the box body under the effect of the automatic material pushing device, so that the material receiving vehicle drives the ground rice flour out of the box body, and an operator can conveniently recover and reprocess the rice flour; the efficiency of grinding the rice is improved through the mutual matching work of the first grinding device and the second grinding device, so that the rice is ground more fully, and the grinding effect is improved; transport the rice to the box in through feeding device, alleviate workman's work burden, use manpower sparingly, lifting means degree of automation.

Preferably, the automatic door opener comprises a sliding rail arranged on the outer wall of one side of the box body, a sliding block arranged on the upper part of the movable door and corresponding to the sliding rail, a stepping motor arranged above the sliding rail and a connecting rope for connecting the stepping motor and the movable door; one end of the connecting rope is fixedly connected to the top end of the movable door, and the other end of the connecting rope is wound on the rotating shaft of the stepping motor; when the rice is smashed the back and need open the dodge gate, start step motor, make step motor get into operating condition, motor shaft rotates, connect the rope round the pivot winding in the pivot, make and connect the rope and shorten gradually, thereby with dodge gate pull-up, the dodge gate is at the raising in-process, slider on the dodge gate up moves along the slide rail, cooperation through slide rail and slider, play limiting displacement to the dodge gate, when connecting the rope and pulling up the dodge gate, make the dodge gate can be according to the perpendicular upward movement in position of slide rail, make the dodge gate open smoothly, conveniently connect the business turn over of skip, be convenient for to the collection of finished product ground rice.

Preferably, the automatic material pushing device comprises a bearing slide block arranged at the bottom of the material receiving vehicle, a bearing slide rail arranged at the bottom of the box body and matched with the bearing slide block, and an air cylinder arranged at one side of the box body; after the dodge gate was opened, the cylinder began work, and cylinder output shaft promotes and bears the slider toward the lateral movement, bears the slider along bearing the slide rail toward the lateral movement, drives and connects the skip toward the box outside motion, will connect the skip to release the box, will connect the ground rice in the skip to take out the box, and the convenience is used the collection of finished product ground rice.

Preferably, a feed inlet is formed in the top of the box body, a feed hopper is arranged at the upper end of the feed inlet, and the feed hopper is matched with the material conveying device; the feeder hopper up port is greater than the feed inlet, through the bore of feeder hopper increase feed inlet, makes the feed inlet change the feeding, transports the rice through conveyor, carries the rice to the feeder hopper in, the rice drops in the box via the feed inlet under the cooperation of conveyor and feeder hopper, carries out shredding to the rice, lifting means degree of automation, it is more convenient to use.

Preferably, the drying device comprises an upper-layer cavity, a lower-layer cavity and a heat-conducting plate for separating the upper-layer cavity from the lower-layer cavity; upper chamber and lower floor's cavity part use, carry out the direct heating to lower floor's cavity and pass through the heat-conducting plate to upper chamber indirect heating, avoid the high temperature of stoving to produce the influence to the rice.

Preferably, a heating rod is arranged in the lower-layer cavity, a blower is arranged in the upper-layer cavity, an air expanding opening is formed in one side of the upper-layer cavity, and the air expanding opening is formed above the feed hopper; clear water can be filled into the lower-layer cavity, the heating rod is in a fork-shaped structure, the contact area between the heating rod and water flow can be increased through the fork-shaped structure, and the clear water can be better heated; the lower-layer cavity is heated in a water bath heating mode, so that the lower-layer cavity is heated more uniformly, the water temperature in the lower-layer cavity is controlled to be about 100 ℃ at most due to the influence of the boiling point of water, and the influence of too high temperature on rice is avoided; the upper-layer cavity heats air under the action of the heat conducting plate, the air feeder blows air to the outer side, hot air is blown out from the air expanding opening, the coverage range of the hot air is increased through the air expanding opening, the rice to be processed is dried before entering the box body, and the quality of finished products is improved.

Preferably, a discharge door is arranged on one side of the receiving vehicle, a limiting block is arranged at the lower end of the movable door, and the limiting block is matched with the bottom surface of the box body; when the material receiving trolley is pushed out of the box body, the discharging door on one side of the material receiving trolley is opened, so that the rice flour in the material receiving trolley is discharged from the discharging door, the processed rice flour is convenient to collect, the movable door is matched with the bottom surface of the box body through a limiting block, the purpose of sealing the discharging port is achieved, a buffering cushion is arranged on one side of the limiting block, and the buffering cushion can be a rubber sleeve, so that the sealing performance of the discharging port is improved; when the dodge gate upwards removes and opens, the stopper supports the slide rail bottom, plays limiting displacement to the dodge gate upward movement, avoids the dodge gate excessively to rise to make the slider break away from the slide rail and cause the damage of equipment.

Preferably, the first grinding device comprises a grinding assembly which is arranged on the top surface of the box body and can move up and down in the rotating process, and a fixed grinding plate which is arranged below the grinding assembly; grinding unit reciprocates through the rotation realization, when grinding the rice, grinding unit provides horizontal and fore-and-aft pressure to the rice, grinds the rice at rotatory in-process, supports the rice and grinds at the friction of deciding the mill board, and the effect is smashed to the rice to the pressure that cooperation grinder pushed down, promotes the crushing effect of rice, makes the rice change and is smashed.

Preferably, the grinding assembly comprises a connecting plate fixedly connected to the top surface of the box body, a threaded pipe arranged on the bottom surface of the connecting plate, a threaded rod matched with the threaded pipe, and a grinding block arranged below the threaded rod; the threaded rod and the threaded pipe are mutually matched through threads, so that the threaded rod moves up and down in the rotating process of the threaded pipe to drive the rolling block to move up and down, and the rice on the fixed grinding plate is crushed; through the mode of rotatory pushing down, drive the rice and rotate together when providing pressure for the rice, make the rice rub on surely grinding the board, smash the better carrying out of rice through the friction, promote the rice and smash the effect.

Preferably, an air injection assembly is arranged below the fixed grinding plate and is arranged on the side wall of the box body; the intermittent air injection of the air injection assembly is realized, the air injection assembly is sprayed out and flows parallel to the fixed grinding plate, convection is formed at the bottom of the through hole, the air pressure below the through hole is temporarily reduced, the air pressure above the through hole has a pressing effect on the air pressure below the through hole, rice flour blocked on the inner wall of the through hole is helped to fall down, and the through hole is prevented from being blocked to influence the working efficiency of equipment.

The invention has the following advantages: before the rice is crushed, the rice can be dried to remove the water doped in the rice, so that the crushing efficiency of the rice is improved, and the quality of finished products is improved; the ground rice noodles can be conveniently collected and treated, finished products in the equipment box can be easily taken out, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Figure 2 is a top view of a connector block of the present invention.

Fig. 3 is a top view of the motor baffle of the present invention.

FIG. 4 is a schematic view of a polishing assembly according to the present invention.

FIG. 5 is a side view of a threaded tubular of the grinding assembly of the present invention.

FIG. 6 is a top view of the polishing pad of the present invention.

Fig. 7 is a top view of the abrasive roll of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-7, a rice grinding mechanism comprises a box body 1, a first grinding device arranged in the box body 1, a second grinding device arranged below the first grinding device, a receiving vehicle 5 arranged below the second grinding device, and a feeding device arranged on one side of the box body 1, wherein the feeding device comprises a conveyor belt 41 arranged on one side of the box body 1, a plurality of partition plates 42 arranged on the conveyor belt 41, and a bracket 43 arranged at the bottom of the conveyor belt 41, the conveyor belt 41 is divided into a plurality of independent small grooves by the partition plates 42, the front end of the conveyor belt 41 is horizontally arranged, the rear end of the conveyor belt 41 is obliquely arranged, so that rice to be processed can be conveniently conveyed into the box body 1 from the horizontal plane for grinding treatment, the bracket 43 provides a supporting effect for the conveyor belt 41, the conveyor belt 41 is more reliable, when the rice moves upwards along the conveyor belt 41, the partition plates 42 block the rice, the rice is prevented from falling down along the inclined plane in the ascending process, so that the rice is prevented from being wasted; the small grooves have a limiting effect on the rice, so that the rice is convenient to transport, and the automation degree of equipment is improved; the top surface of the box body 1 is provided with a feeding hole 11, the feeding hole 11 is provided with a feeding hopper 111, the inlet of the feeding hole 11 is enlarged through the arrangement of the feeding hopper 111, so that rice can better enter the box body 1, the conveying device is matched with the feeding hopper 111, the rice is conveyed by the conveying device and falls into the feeding hopper 111, manpower is saved, the rice can automatically enter the box body 1 by virtue of the conveying device, and the automation degree of equipment is improved; the top of the box body 1 is provided with a drying device 6, one side of the box body 1 is provided with a discharge hole 18, a movable door 15 is arranged at the discharge hole 18, the box body 1 is provided with an automatic door opening device, and the bottom of the box body 1 is provided with an automatic material pushing device; connect skip 5 to locate 1 bottom of box, first grinder is including locating can realize the grinding unit 2 who reciprocates and locate in the rotation in-process of 1 top surface of box grinding unit 2 below grind board 12 surely, grinding unit 2 reciprocates through rotatory realization, when grinding the rice, grinding unit 2 provides horizontal and fore-and-aft pressure to the rice, grind the rice at rotatory in-process, support the rice and grind at the friction on deciding grinding board 12, the pressure that cooperation grinder 2 pushed down, smash the effect to the rice, promote the crushing effect of rice, make the rice more easily smashed.

The automatic door opening device comprises a slide rail 14 arranged on the outer wall of one side of the box body 1, a slide block 152 arranged on the upper part of the movable door 15 and corresponding to the slide rail 14, a stepping motor 16 arranged above the slide rail 14 and a connecting rope 161 for connecting the stepping motor 16 and the movable door 15; the stepping motor 16 is fixedly connected to the outer side wall of the box body 1; the lower end of the connecting rope 161 is fixedly connected to the top end of the movable door 15, the upper end of the connecting rope is wound on the rotating shaft of the stepping motor 16, and the tail end of the rotating shaft of the stepping motor 16 is provided with a limiting convex ring to prevent the connecting rope 16 from being separated from the rotating shaft of the stepping motor 16 in the winding process, so that the movable door 15 cannot be lifted and opened; the sliding rail 14 and the sliding block 152 are matched with each other, one end of the sliding block 152 is fixedly connected to the side edge of the upper part of the movable door 15, the other end of the sliding block 152 is arranged in the sliding rail 14, and the sliding rail 14 and the sliding block 152 play a limiting role in the ascending movement of the movable door 15, so that the movable door 15 can only vertically move upwards along the sliding rail 14 in the ascending process, and the automatic door opening device is more reliable; after the rice is ground, when finished rice flour needs to be carried out of the box body, the stepping motor 16 is started, the rotating shaft of the stepping motor 16 starts to rotate, the connecting rope 161 continues to be wound on the rotating roller, the lower end of the connecting rope 161 is pulled upwards, the movable door 15 moves upwards along the sliding rail 14 through the sliding block 151, the discharge hole 18 is opened, and the material receiving vehicle 5 can smoothly slide out of the discharge hole 18.

The automatic material pushing device comprises a bearing slide block 51 arranged at the bottom of the material receiving vehicle 5, a bearing slide rail 17 arranged at the bottom of the box body 1 and matched with the bearing slide block 51, and an air cylinder 52 arranged at one side of the box body 1; the bearing slide block 51 is matched with the bearing slide rail 17, and the bearing slide block 51 can slide left and right in the bearing slide rail 17 along the bearing slide rail 17; the output shaft 521 of the air cylinder 52 is arranged corresponding to the bearing slide block 51; after the movable door 15 is opened, the cylinder 52 starts to work, the cylinder 52 drives the output shaft 521 to push forwards, the output shaft 521 pushes the bearing slide block 51 to move towards the discharge hole 18 along the bearing slide rail 17, the material receiving vehicle 5 is pushed out of the box body 1, and collection and treatment of finished rice noodles are facilitated.

The drying device 6 comprises an upper-layer cavity 61, a lower-layer cavity 62 and a heat conducting plate 63 for separating the upper-layer cavity 61 and the lower-layer cavity 62; a heating rod 64 is arranged in the lower-layer cavity 62, a blower 65 is arranged in the upper-layer cavity 61, an air expanding opening 66 is arranged on one side of the upper-layer cavity 61, and the air expanding opening 66 is arranged above the feed hopper 111; clear water can be filled in the lower-layer cavity 62, the heating rod 64 is in a fork-shaped structure, and the contact area between the heating rod 64 and water flow can be increased through the fork-shaped structure, so that the clear water can be better heated; the lower-layer cavity 62 is heated in a water bath heating mode, so that the lower-layer cavity 62 is heated more uniformly, the temperature of water in the lower-layer cavity 62 is controlled to be about 100 ℃ at most due to the influence of the boiling point of the water, and the influence of too high temperature on the rice is avoided; the upper-layer cavity 61 heats air under the action of the heat conducting plate, the air blower 65 blows air to the outside, hot air flow is blown out from the air expansion port 66, the coverage range of the hot air flow is increased through the air expansion port 66, the rice to be processed is dried before entering the box body 1, and the quality of finished products is improved; the forced draught blower 65 intermittently supplies air outwards, avoids wind force too big influence the rice and enters into inside the box 1, reduces the rice temperature of being heated simultaneously, prevents that the rice from being heated too high and drying the rice thoroughly.

A discharge door 53 is arranged on one side of the receiving vehicle 5, a limit block 151 is arranged at the lower end of the movable door 15, and the limit block 151 is matched with the bottom surface of the box body 1; when the receiving trolley 5 is pushed out of the box body 1, the discharging door 53 on one side of the receiving trolley 5 is opened, rice flour in the receiving trolley 5 is discharged from the discharging door 53, processed rice flour is convenient to collect, the movable door 15 is matched with the bottom surface of the box body 1 through the limiting block 151, and therefore the purpose of sealing the discharging port 18 is achieved, the buffering cushion is arranged on one side of the limiting block 151 and can be a rubber sleeve, and the sealing performance of the discharging port 18 is improved; when the movable door 15 moves upwards and is opened, the limiting block 151 supports against the bottom end of the slide rail 14, so that the upward movement of the movable door 15 is limited, and the damage to equipment caused by the fact that the slide block 152 is separated from the slide rail 14 due to the excessive rising of the movable door 15 is avoided.

The grinding assembly 2 comprises a connecting plate 23 fixedly connected to the top surface of the box body 1, a threaded pipe 24 arranged on the bottom surface of the connecting plate 23, a threaded rod 26 matched with the threaded pipe 24, and a grinding block 21 arranged below the threaded rod 26, wherein a servo motor 25 is arranged at the upper end of the threaded rod 26, guide slide rails 27 are respectively arranged on two sides of the threaded pipe 24, guide slide blocks 251 corresponding to the guide slide rails 27 are respectively arranged at two ends of the servo motor 25, a connecting spring 28 is arranged on the bottom surface of the grinding block 21, a grinding plate 22 is fixedly connected to the lower end of the connecting spring 28, a first sealing film 29 is arranged on the grinding plate 22, and two ends of the first sealing film 29 are respectively connected with the grinding plate 22 and the grinding block 21; the first sealing film 29 is made of elastic plastic materials and can be a rubber film, the gap between the rolling plate 22 and the rolling block 21 is sealed by the first sealing film 29, so that rice is prevented from entering the gap to influence the equipment, the service life of the equipment is prolonged, the equipment cannot be obstructed when the equipment normally works, and the practicability is higher; when rice enters the box body 1 and is positioned on the fixed grinding plate 12, the servo motor 25 starts to work, the servo motor 25 drives the threaded rod 26 to rotate, the threaded rod 26 is matched with the threaded pipe 24 through threads, when the threaded rod 26 rotates in the threaded pipe 24, the threaded rod 26 moves downwards along the inner wall of the threaded pipe 24, the grinding block 21 moves downwards, pressure is provided for the rice and the rice is driven to rotate together in a rotating and pressing mode, the rice is rubbed on the fixed grinding plate, the rice is better ground through friction, and the rice grinding effect is improved; when the grinding block 21 is pressed downwards to grind the rice, the grinding block 21 drives the grinding plate 22 to press downwards together to generate pressure on the rice, when the grinding plate 22 contacts the rice, the servo motor 25 continues to work to enable the grinding block 21 to continue to move downwards, the grinding plate 22 compresses the connecting spring 28 under the action of the rice to enable the connecting spring 28 to be in a contraction state, the connecting spring 28 provides elasticity for the grinding plate 22 to enable the grinding plate 22 to be in closer contact with the rice, the pressure on the rice is increased, and the grinding effect of the rice is improved; the servo motor 25 is limited by the matching of the guide slide rail 27 and the guide slide block 251, the servo motor 25 can not rotate along with the threaded rod 26 when the threaded rod 26 rotates under the driving of the servo motor 25, the guide slide block 251 moves in the guide slide rail 27 when the threaded rod 26 moves up and down, when the guide slide block 251 reaches the tail end of the guide slide rail 27, the servo motor 25 stops working, the limiting effect is realized on the up-and-down movement of the threaded rod 26, and the phenomenon that the threaded rod 26 excessively ascends or descends to damage equipment is avoided.

An inclined plane is arranged on one side of the fixed grinding plate 12, an arc-shaped groove 121 is arranged at the lower end of the inclined plane, a through hole 122 is formed in the arc-shaped groove 121, the grinding plate 22 is arranged corresponding to the arc-shaped groove 121, and the feeding hole 11 is formed above the inclined plane; when the feeding device 4 conveys the rice into the feeding hopper 111, the rice falls onto the inclined plane of the fixed grinding plate 12 through the feeding port 11, the rice rolls along the inclined plane to the arc-shaped groove 121 at the bottom end of the inclined plane, the aperture of the through hole 122 is smaller than the size of rice particles, and the rice cannot directly fall from the through hole 122; carry out shredding to the rice when rolling subassembly 2 and make, rolling board 22 pushes down and rolls the rice, and rolling board 22 and arc recess 121 set up relatively, rolling board 22 set to with the corresponding shape of arc recess makes rolling board 22 in the in-process that pushes down and the better contact of arc recess 121, does benefit to and carries out shredding to the rice, promotes the crushing effect of rice.

An air injection assembly is arranged below the fixed grinding plate 12 and on the side wall of the box body 1, and comprises an air pump 13 arranged on the outer side wall of the box body 1 and an air nozzle 131 penetrating through the side wall of the box body 1; the air injection component intermittently injects air to prevent the rice flour below the bottom from being blown by air flow to influence the next grinding work of the rice flour; the air nozzle 131 can be a duckbill, the air pump 13 compresses and conveys air to the air nozzle 131, air flow is sprayed outwards through the air nozzle 131, and the air nozzle 131 is in a duckbill shape, so that the sprayed air can form air flow more easily; the air jet assembly jets air flow parallel to the fixed grinding plate 12, convection is formed at the bottom of the through hole 122, so that air pressure below the through hole 122 is temporarily reduced, air pressure above the through hole 122 has a pressing effect on air pressure below, rice flour blocked on the inner wall of the through hole 122 is helped to fall down, and the phenomenon that the work efficiency of equipment is influenced due to the blockage of the through hole 122 is prevented.

The second grinding device comprises a grinding seat 31 arranged on the side wall of the box body 1 and a grinding roller 32 matched with the grinding seat 31, the upper surface of the grinding seat 31 is obliquely arranged, and rice flour can fall along the inclined plane of the upper surface of the grinding seat 31 when falling on the upper surface of the grinding seat 31, so that the rice flour is prevented from staying on the upper surface of the grinding seat 31 and accumulating on the upper surface of the grinding seat 31 to influence the working efficiency of equipment; the gap between the grinding roller 32 and the grinding seat 31 is gradually reduced from top to bottom, so that the rice flour is better ground in the gap between the grinding roller 32 and the grinding seat 31, the rice flour reaching the bottom end of the grinding roller 32 is completely crushed, and the rice grinding effect is improved; the bottom surface of the grinding seat 31 is provided with a telescopic spring 312, the bottom of the telescopic spring 312 is provided with a grinding plate 311, the grinding plate 311 is provided with a second sealing film 313, and two ends of the second sealing film 313 are respectively connected with the grinding plate 311 and the grinding seat 31; the second sealing film 313 is made of elastic plastic materials and can be a rubber film, the second sealing film 313 seals a gap between the grinding seat 31 and the grinding plate 311, rice is prevented from entering the gap to affect equipment, the service life of the equipment is prolonged, the equipment cannot be obstructed when the equipment works normally, and the practicability is higher; the rice flour processed by the first grinding device falls onto the second grinding device, and the rice flour processed for the first time is ground again through the mutual matching of the grinding seat 31 and the grinding roller 32, so that the rice grinding effect is improved, and the insufficient rice grinding is avoided; when grinding seat 31 and grinding roller 32 mutually support and carry out crushing work to the rice, grinding roller 32 and grinding plate 311 extrude each other, smash the rice, when the gap between grinding roller 32 and the grinding plate 311 is blockked up by the ground rice, ground rice extrusion grinding plate 311, the telescopic spring 312 atress on the grinding plate 311 contracts, make and appear the gap between grinding roller 32 and the grinding plate 311, help kibbling ground rice flour drops to in the following material receiving vehicle 5, avoid second grinder to block up the influence equipment work efficiency.

The inner wall of the box body 1 is also provided with a connecting rod 35, a connecting block 33 is arranged on the connecting rod 35, a driving motor 34 is arranged on the connecting block 33, and an output shaft of the driving motor 34 is connected with the bottom of the grinding roller 32; the driving motor 34 is arranged below the grinding roller 32, and the ground rice flour falls from the side edge of the grinding roller 32, so that the rice flour is not contacted with the driving motor 34 in the falling process, the influence of the rice flour on the driving motor 34 is avoided, and the service life of the driving motor 34 is shortened; the connecting rod 35 is connected with the connecting block 33 to provide supporting force for the connecting block 33, and the connecting block 33 provides supporting force for the driving motor 34 and the grinding roller 32, so that the grinding roller 32 can be better matched with the grinding seat 31; the bracing piece 35 is established to cylindrical structure, and when the rice flour fell from grinding roller 32 side, bracing piece 35 can not play the hindrance effect to the rice flour, and it is too big to avoid the rice flour to pile up the burden that causes bracing piece 35 on bracing piece 35, prolongs the life of bracing piece 35, and the rice flour can be smooth slide down from bracing piece 35, avoids the waste of rice flour.

The bottom of the grinding roller 32 is fixedly connected with a motor baffle 321, the driving motor 34 is arranged on the inner side of the motor baffle 321, the motor baffle 321 is of a round tube-shaped structure, the driving motor 34 is wrapped on the inner side of the motor baffle 321, a groove 331 corresponding to the motor baffle 321 is further arranged on the connecting block 33, the bottom of the motor baffle 321 is arranged in the groove 331, when the driving motor 34 drives the grinding roller 32 to rotate, the grinding roller 32 drives the motor baffle 321 to rotate, the motor baffle 321 rotates in the groove 331, the grinding roller 32 can normally rotate, and the influence of the motor baffle 321 on the normal work of the grinding roller 32 in the rotating process of the grinding roller 32 is avoided; through the setting of recess 331, make motor baffle 321 insert in recess 331, increase motor baffle 321's guard action, prevent that the ground rice that drops from flying upward and causing the influence to driving motor 34, further enhancement is to driving motor 34's isolation effect, prolongs driving motor 34's life.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a rice grinds mechanism, includes box (1), locates first grinder in box (1), locates second grinder below first grinder, locate connect skip (5) of second grinder below and locate the feeding device of box (1) one side, its characterized in that: the drying device (6) is arranged at the top of the box body (1), a discharge hole (18) is formed in one side of the box body (1), a movable door (15) is arranged at the discharge hole (18), an automatic door opening device is arranged on the box body (1), and an automatic material pushing device is arranged at the bottom of the box body (1); the first grinding device comprises a grinding component (2) which is arranged on the top surface of the box body (1) and can move up and down in the rotating process and a fixed grinding plate (12) arranged below the grinding component (2); the grinding assembly (2) comprises a connecting plate (23) fixedly connected to the top surface of the box body (1), a threaded pipe (24) arranged on the bottom surface of the connecting plate (23), a threaded rod (26) matched with the threaded pipe (24), and a grinding block (21) arranged below the threaded rod (26); an air injection assembly is arranged below the fixed grinding plate (12), and is arranged on the side wall of the box body (1); an inclined plane is arranged on one side of the fixed grinding plate (12), an arc-shaped groove (121) is arranged at the lower end of the inclined plane, a through hole (122) is formed in the arc-shaped groove (121), the grinding plate (22) is arranged corresponding to the arc-shaped groove (121), and the feeding hole is formed above the inclined plane; the air injection assembly comprises an air pump (13) arranged on the outer side wall of the box body (1) and an air injection nozzle (131) penetrating through the side wall of the box body (1);

the automatic door opening device comprises a sliding rail (14) arranged on the outer wall of one side of the box body (1), a sliding block (152) arranged on the upper part of the movable door (15) and corresponding to the sliding rail (14), a stepping motor (16) arranged above the sliding rail (14) and a connecting rope (161) for connecting the stepping motor (16) and the movable door (15);

the automatic material pushing device comprises a bearing slide block (51) arranged at the bottom of the material receiving vehicle (5), a bearing slide rail (17) arranged at the bottom of the box body (1) and matched with the bearing slide block (51), and a cylinder (52) arranged at one side of the box body (1);

the top of the box body (1) is provided with a feeding hole (11), the upper end of the feeding hole (11) is provided with a feeding hopper (111), and the feeding hopper (111) is matched with the material conveying device.

2. A rice grinding mechanism as recited in claim 1, wherein: the drying device (6) comprises an upper-layer cavity (61), a lower-layer cavity (62) and a heat conducting plate (63) for separating the upper-layer cavity (61) from the lower-layer cavity (62).

3. A rice grinding mechanism as recited in claim 2, wherein: be equipped with heating rod (64) in lower floor cavity (62), be equipped with forced draught blower (65) in upper chamber (61), upper chamber (61) one side is equipped with expands wind gap (66), expand wind gap (66) and locate feeder hopper (111) top.

4. A rice grinding mechanism as recited in claim 1, wherein: one side of the material receiving vehicle (5) is provided with a material discharging door (53), the lower end of the movable door (15) is provided with a limiting block (151), and the limiting block (151) is matched with the bottom surface of the box body (1).