CN111887437B

CN111887437B - Nut crushing device

Info

Publication number: CN111887437B
Application number: CN202010694730.1A
Authority: CN
Inventors: 董慧锋; 王博; 贾瑞匣; 罗天鑫; 雷雪宁
Original assignee: Zhengzhou University of Industrial Technology
Current assignee: Jiangxi Benwei Food Co ltd
Priority date: 2020-07-18
Filing date: 2020-07-18
Publication date: 2024-09-06
Anticipated expiration: 2040-07-18
Also published as: CN111887437A

Abstract

The invention discloses a nut crushing device which comprises a blanking mechanism, a conveying mechanism, a crushing mechanism and a blanking hopper, wherein the blanking mechanism is arranged on the conveying mechanism; the blanking mechanism comprises a bracket, a blanking hopper and a material homogenizing device; the discharging hopper is arranged at the upper part of the bracket, and the material homogenizing device is arranged at the discharging hole of the discharging hopper; the conveying mechanism comprises a frame, a conveying belt, a flexible baffle and conveying wheels; the flexible baffle plates are vertically arranged on the conveying belt at intervals, and the crushing mechanism comprises a fixing frame, a lifting pressing plate, a driving wheel, an eccentric rod and a driving motor; the lifting pressing plate is provided with a sliding hole corresponding to the limit supporting rod, transversely covers the conveying belt, is sleeved on the limit supporting rod and can slide up and down along the limit supporting rod; according to the nut crushing device, the accommodating area is provided for nuts in the crushing process, the positions of the nuts are limited, the accommodating area corresponds to the extrusion area, the nuts are prevented from being separated from the extrusion area when being extruded, the crushing effect is ensured, the transmission fit of all parts is ingenious, and the cost investment is saved.

Description

Nut breaker

Technical Field

The invention belongs to the technical field of nut processing, and particularly relates to a nut crushing device.

Background

Nuts are an important resource indispensable to life of people, such as peanuts, for oil extraction. Trace elements required by human bodies are difficult to obtain in rice and vegetables, but the trace elements can be well obtained by eating nuts. Nut shells are generally rigid and tough.

When the manual shell breaker is used, the shell is difficult to break by grasping the strength of the shell, the shell cannot be broken due to small strength, but the phenomenon that the inner core is broken due to excessive strength can occur. The initial processing of the nut machinery is referred to as the first processing of the nut machinery, and a large number of nuts need to be processed in China each year. So far, most nut processing in China still follows the traditional manual processing mode of the existing nut cracking tool, so that a great development space still exists in the nut development processing on cracking, and the modern nut food processing quality level also needs confidential cracking tools to be improved.

The existing nut shell breaking machine can have a certain wall breaking function, but when the nut shell breaking machine is specifically used, nuts are always simply discharged after being broken by one time due to structural defects, the wall breaking effect is poor, nuts are scattered and laid, corresponding limitations are lacked, nuts are easily separated from an extrusion area under the action of extrusion force in the extrusion process, the wall breaking of the nuts is insufficient, the labor load of artificial nut shell breaking is heavy, the labor cost is high, the wall breaking effect of the nuts is improved, and therefore the nut breaking device is necessary to be studied.

Disclosure of Invention

Aiming at the defects and problems of the existing equipment, the invention provides the nut crushing device, which effectively solves the problems of poor wall breaking effect, insufficient wall breaking and heavy workload of the existing equipment.

The invention solves the technical problems by adopting the scheme that: a nut crushing device comprises a blanking mechanism, a conveying mechanism, a crushing mechanism and a blanking hopper; the discharging mechanism comprises a bracket, a discharging hopper and a material homogenizing device; the discharging hopper is arranged at the upper part of the bracket, and the material homogenizing device is arranged at the discharging hole of the discharging hopper; the conveying mechanism comprises a frame, a conveying belt, a flexible baffle and conveying wheels; the front end of the frame is positioned in the bracket, the conveyer belt is arranged on the frame, and the front end of the conveyer belt is positioned right below the discharging hopper; the flexible baffles are arranged on the conveyor belt at vertical intervals, so that a plurality of adjacent accommodating areas are formed on the conveyor belt; the front end and the rear end of the conveying belt are provided with rotating shafts, and the outer ends of the rotating shafts at the rear end of the conveying belt are provided with conveying wheels; the crushing mechanism comprises a fixing frame, a lifting pressing plate, a driving wheel, an eccentric rod and a driving motor; the fixing frame comprises an upper fixing plate, a lower fixing plate and a limit supporting rod; the lower fixing plates are fixed on two sides of the frame, the limit supporting rods are vertically fixed on the lower fixing plates, and the upper fixing plates span the conveying belt and are fixed at the upper ends of the limit supporting rods; the lifting pressing plate is provided with a sliding hole corresponding to the limit supporting rod, transversely covers the conveying belt, is sleeved on the limit supporting rod and can slide up and down along the limit supporting rod; the machine frame is provided with a common rotating shaft, the driving wheels are arranged at two ends of the common rotating shaft, and two ends of the eccentric rod are respectively hinged at the eccentric position of the driving wheels and two sides of the lifting pressing plate; the automatic feeding machine is characterized in that a linkage wheel is further arranged on the public rotating shaft, the linkage wheel is connected with the conveying wheel through belt transmission, a middle driving wheel is arranged in the middle of the public rotating shaft, a driving motor is arranged on the frame, the rotating shaft of the driving motor is connected with the middle driving wheel through a belt transmission, the blanking hopper is obliquely arranged downwards, and the upper portion of the blanking hopper is fixed or clamped on the frame.

Further, the frame is located the support, and upper portion and the middle part of frame are provided with the connecting hole that corresponds, can link together frame and support through running through connecting bolt in the connecting hole.

Further, the material homogenizing device comprises a material homogenizing roller and a stepping motor, wherein the material homogenizing roller is rotatably arranged at a discharge hole of the discharging hopper, and a plurality of partition plates are uniformly arranged on the material homogenizing roller, so that a plurality of material storage areas are formed on the material homogenizing roller; the stepping motor is in transmission connection with the rotating shaft of the material homogenizing roller, so that the stepping motor can rotate at a fixed angle.

Further, the material homogenizing device comprises an adjusting roller and a stepping motor; the bottom of the blanking hopper is provided with a discharge hole, the diameter of the regulating roller is matched with the discharge hole, the regulating roller is sleeved in the discharge hole, one end of the regulating roller is provided with a rotating shaft, the rotating shaft extends out of the lateral wall of the blanking hopper, and the stepping motor is in transmission connection with the rotating shaft.

Further, the lower part of the conveying belt is provided with a supporting plate which is matched with the lifting pressing plate in size and corresponds to the lifting pressing plate, and the supporting plate is respectively positioned on the upper side and the lower side of the conveying belt.

Further, a step-shaped backing plate is arranged at the bottom of the lifting pressing plate, the width of the lifting pressing plate is D, the width of the accommodating area is D, d=2nd, n is a positive integer, the time of each advancing lattice of the conveying belt is T, the cycle period of the lifting pressing plate is T, and t=nt.

Further, the backing plate can also be of an inclined-plane structure.

Further, a plurality of hinge seats are arranged at different eccentric positions of the driving wheel, the bottom of the eccentric rod is hinged to one of the hinge seats, extension shaft seats are arranged on the lateral sides of the middle of the lifting pressing plate in an extending mode, and the upper portion of the eccentric rod is hinged to the extension shaft seats.

The invention has the beneficial effects that:

1, the invention is provided with the bracket and the frame, the bracket and the frame can be fixed together and can be disassembled, the assembly is convenient, the transportation is convenient, and the practicability is strong.

2, Set up the unloading hopper on the support, unloading hopper department has set up the average material device, and average material device has two kinds of forms, one, intermittent type nature unloading: the step motor drives the material homogenizing roller to rotate, a plurality of material storage areas are arranged on the material homogenizing roller, one-time discharging is realized by each rotation, and each discharging correspondingly falls into the accommodating area; secondly, continuously blanking, wherein the matching angle of the regulating roller and the blanking opening is controlled through the stepping motor, and the continuous blanking speed is regulated, so that nuts with certain thickness are laid in the accommodating areas in a flat mode.

3, Set up the conveyer belt in the frame, along vertically being provided with flexible baffle on the conveyer belt, form the accommodation area between the flexible baffle, the accommodation area makes the nut restrict in certain region all the time, can not make the nut break away from the extrusion region owing to the extrusion of lift pressure plate, guaranteed that every nut all passes through the extrusion, improved the crushing effect of nut, return under the oppression of lift pressure plate through flexible baffle and take place elastic deformation to for the broken stroke that provides of downward extrusion of lift pressure plate.

4, Arranging a fixing frame on the frame, vertically arranging a limit supporting rod on the fixing frame, sleeving a lifting pressing plate on the limit supporting rod, driving the lifting pressing plate by an eccentric rod mechanism, and reciprocating along the limit supporting rod in a fixed amplitude, wherein when the lifting pressing plate reaches the lowest position, the lifting pressing plate can press the flexible baffle plates and extrude nuts between the flexible baffle plates, in order to ensure extrusion strength during extrusion, a supporting plate is arranged at the bottom of the conveying belt, and the conveying belt is slightly deformed due to extrusion force and is contacted with the supporting plate, so that the crushing strength of the nuts is ensured; meanwhile, the multistage crushing is further arranged, the nuts in the accommodating area are firstly subjected to primary crushing by utilizing the step-shaped base plate, then subjected to secondary crushing, the crushing degree is good, and meanwhile, during crushing, the nuts are always in the accommodating area and cannot overflow out of the extruding area due to extrusion force, so that the crushing effect is ensured.

5, The invention also provides a common rotating shaft, and the common rotating shaft is provided with a middle driving wheel which is used for being in transmission connection with the rotating shaft of the driving motor, a linkage wheel which is used for being in transmission connection with the conveying wheel and a driving wheel which is used for driving the eccentric rod; therefore, the lifting pressing plate and the conveying belt can be driven simultaneously by arranging a driving motor; and the diameter ratio of the linkage wheel to the driving wheel is set to enable the conveyer belt and the lifting pressing plate to have a certain linkage matching relationship.

The nut crushing device is novel in structure, the accommodating area is provided for nuts in the crushing process, the positions of the nuts are limited, the accommodating area corresponds to the extrusion area, the nuts are prevented from being separated from the extrusion area during extrusion, the crushing effect is ensured, the transmission fit of all parts is ingenious, the cost investment is saved, the nut crushing device is convenient to use, convenient to assemble and low in transportation cost, is convenient to popularize and use, is a great innovation of nut crushing, and has huge economic and social benefits.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a front view of fig. 1.

Fig. 4 is a side view of fig. 1.

Fig. 5 is a schematic structural view of the frame and the components on the frame.

Fig. 6 is a schematic diagram of a driving structure of the lifting platen.

Fig. 7 is a schematic structural view of the pad.

Fig. 8 is a schematic view of another structure of the pad.

Fig. 9 is a schematic structural view of the material homogenizing device.

Fig. 10 is a schematic diagram of another structure of the material homogenizing structure.

Fig. 11 is a schematic structural view of the homogenizing roll.

The reference numerals in the figures are: 1 is a bracket, 2 is a blanking hopper, 21 is a discharge hole, 22 is a material homogenizing roller, 23 is a baffle, 24 is an adjusting roller, 25 is a rotating shaft, and 26 is a limiting stop rod; 3 is a frame, 4 is a conveying belt, 41 is a containing area, 5 is a flexible baffle, 6 is a fixing frame, 61 is a lower fixing plate, 62 is a limiting support rod, and 63 is an upper fixing plate; 7 is a lifting pressing plate, 71 is a backing plate; 8 is an eccentric rod, 9 is a driving wheel, 10 is a common rotating shaft, 11 is a linkage wheel, 12 is a conveying wheel, 13 is a middle driving wheel, 14 is a driving motor, 15 is a blanking hopper, 16 is a supporting plate, and 17 is a connecting hole.

Detailed Description

The invention will be further described with reference to the drawings and examples.

Example 1: this embodiment aims at providing a nut breaker, mainly used is mechanized broken to the nut in industry, when using to current breaker, the nut is spread outside the crushing district when the extrusion easily, causes the nut crushing effect poor, and the nut that leaks the breakage appears easily still needs the manual work to clear again to pick up, uses trouble, and current broken structure only carries out once breakage, and broken degree is poor, and breaker is a complete machinery basically, and the cost of transportation is high, for this embodiment provides a nut breaker, and specific structure is as follows.

As shown in fig. 1-4, the device comprises a blanking mechanism, a conveying mechanism, a crushing mechanism and a blanking hopper; the blanking mechanism comprises a bracket 1, a blanking hopper 2 and a material homogenizing device; the discharging mechanism is used for temporarily storing nuts and uniformly discharging the nuts; the discharging hopper 2 is arranged at the upper part of the bracket 1, and the material homogenizing device is arranged at a discharging hole 21 of the discharging hopper; as shown in fig. 9, the homogenizing device comprises a homogenizing roller 22 and a stepping motor, wherein the homogenizing roller 22 is rotatably arranged at a discharge hole 21 of a discharging hopper, the discharge hole 21 is in a circular structure, the homogenizing roller 22 is arranged in the circular structure, a plurality of baffles 23 are uniformly arranged on the homogenizing roller, so that a plurality of storage areas are formed on the homogenizing roller 22, the baffles 23 are matched with the circular structure and form a seal, when the storage areas are upward, nuts in the discharging hopper fall into the storage areas, when the storage areas are rotated to the circular structure, a sealing state is formed, and when the storage areas are downward, nuts in the storage areas are discharged downward; the stepping motor is in transmission connection with the rotating shaft of the material homogenizing roller, so that the stepping motor can rotate at a fixed angle, and one-time discharging can be completed after each rotation.

As shown in fig. 1, the basic mechanism of the bracket 1 is a portal frame-shaped mechanism, the front and rear sides of the upper part of the basic mechanism are provided with a rotating shaft 25 and a limiting stop lever 26, the blanking hopper 2 is positioned between the rotating shaft 25, the blanking hopper 2 is fixedly connected with the rotating shaft 25, the limiting stop lever 26 is detachably arranged on the bracket 1, when feeding is needed, the limiting stop lever 26 is taken down, then the blanking hopper can be rotated to a certain degree by rotating the blanking hopper along the rotating shaft, the height of a feeding hole of the blanking hopper is reduced, and feeding is facilitated.

The conveying mechanism comprises a frame 3, a conveying belt 4, a flexible baffle 5 and conveying wheels 12; the front end of the frame 3 is positioned in the bracket 1, the conveyer belt 4 is arranged on the frame 3, and the front end of the conveyer belt is positioned right below the blanking hopper 2; the flexible baffles 5 are mounted on the conveyor belt 4 at vertical intervals, so that a plurality of adjacent accommodation areas 41 are formed on the conveyor belt 4; the accommodation area 41 is used for storing nuts, so that the nuts are in the accommodation area during transportation and extrusion, the crushing effect is greatly improved, the nuts which are not leaked and crushed are avoided, the artificial participation degree is reduced, and the working efficiency is improved.

The front end and the rear end of the conveying belt 4 are provided with rotating shafts which are fixed on the frame through bearing blocks, and the outer end of the rotating shaft at the rear end is provided with a conveying wheel 12; in this embodiment, the bracket 1 is tightly connected with the frame 2, so that the conveying wheel 12 is arranged at one end far away from the blanking hopper 2, so that the conveying wheel is separated from the blanking end, and the belt on the conveying wheel is convenient to install.

The crushing mechanism comprises a fixed frame 6, a lifting pressing plate 7, a driving wheel 9, an eccentric rod 8 and a driving motor 13; the fixing frame 6 comprises an upper fixing plate 63, a lower fixing plate 61 and a limit supporting rod 62; the two lower fixing plates 61 are respectively fixed on two sides of the frame 3, the limit supporting rods 52 are vertically fixed on the lower fixing plates 61, and the upper fixing plates 62 cross the conveyor belt 4 and are fixed at the upper ends of the limit supporting rods 62; the lower fixing plate 61 has a fixed connection function, the upper fixing plate 63 further strengthens the connection strength of the limit supporting rod 62, the structure is more stable, and the upper fixing plate 63 also serves as the upper limit of the lifting pressing plate 7.

As shown in fig. 5-6, the lifting pressing plate 7 is provided with sliding holes corresponding to the limiting supporting rods, the lifting pressing plate transversely covers the conveying belt 4, the limiting supporting rods 62 comprise connecting rods at two sides and guide rods in the middle, and the sliding holes comprise connecting holes at two ends and guide holes in the middle; the connecting rod and the guide rod are correspondingly sleeved in the connecting hole and the guide hole; so that the limit supporting rod is integrally sleeved in the sliding hole and can slide up and down along the sliding.

The frame 3 is provided with a common rotating shaft 10, the driving wheels 9 are arranged at two ends of the common rotating shaft 10, and two ends of the eccentric rod 8 are respectively hinged at the eccentric position of the driving wheels 9 and two sides of the lifting pressing plate 7; the driving wheel 9 rotates and can drive the eccentric rod 8, and the eccentric rod 8 drives the lifting pressing plate 7 to reciprocate up and down along the limit supporting rod 62, so that the lifting pressing plate 7 can press and touch the flexible baffle 5 and crush nuts in the accommodating area 41 when being positioned at the lowest part.

The utility model discloses a conveyer belt, including the frame 3, including the conveyer belt, the driving wheel, driving motor, driving wheel, driving motor, driving wheel 11 is still provided with on the public pivot 10, the driving wheel 11 passes through belt transmission with conveying wheel 12 to be connected, the middle part of public pivot 10 is provided with well driving wheel 13, driving motor 14 installs on frame 3, its pivot passes through the belt and is connected with well driving wheel 13 transmission to make driving end and the driving end of lifting press plate 7 of conveyer belt 4 link together through setting up public pivot 10 in this embodiment, can drive both simultaneously through a driving motor 14, compact structure, blanking fill 15 slope sets up downwards, its upper portion is fixed or clamps in the frame.

The embodiment is specifically used as follows: firstly, nuts are placed into a discharging hopper, a driving motor is started, a conveyer belt runs, then nuts are evenly paved in a containing area through a material homogenizing device, a driving wheel is also linked with the conveyer belt during running, a lifting pressing plate is driven to reciprocate up and down through an eccentric rod, and a pressing force is formed between the lifting pressing plate and the conveyer belt during extrusion; the nuts in the accommodating area are extruded and crushed, and the crushed nuts enter the blanking hopper at the tail end of the conveying belt and enter the next working procedure or the container along the blanking hopper.

Example 2: this embodiment is substantially the same as embodiment 1, except that: the present embodiment further defines the structure of the frame 3 and the bracket.

The frame 3 is located the support, and upper portion and the middle part of frame 3 are provided with connecting hole 17 that corresponds, can link together frame 3 and support 1 through running through connecting bolt in connecting hole 17, and at the height of support and the length basic adaptation of frame to convenient packing and transportation.

Therefore, in the embodiment, the bracket and the frame can be assembled together in a detachable way, and the bracket and the frame can be bundled together in transportation, so that the bracket is convenient to transport and low in cost, and can be assembled together in a simple combination mode, and the bracket is convenient to install.

Example 3: this embodiment is substantially the same as embodiment 1, except that another structure of the material homogenizing device is provided.

As shown in fig. 10, the homogenizing device comprises a regulating roller 24 and a stepping motor; the bottom of hopper is provided with the discharge gate down, dancer roll 24 is incomplete circular structure, circular structure is greater than half circle, its diameter and discharge gate looks adaptation, the discharge gate is square structure, dancer roll 24 suit is in the discharge gate, be provided with the pivot on dancer roll 24, wherein the hopper down extends in the pivot of one side, step motor is connected with the pivot transmission, realize dancer roll 24's rotation through step motor, make the discharge gate have different opening sizes, and the velocity of feed down and the velocity of motion looks adaptation of conveyer belt 4, make the tiling that nut can be even in holding area 41.

Example 4: this embodiment is substantially the same as embodiment 1, except that: the embodiment can realize multi-stage crushing.

As shown in fig. 7, a supporting plate 16 is arranged at the lower part of the conveyor belt 4, and the supporting plate 16 is matched with the lifting pressing plate 7 in size, corresponds to the lifting pressing plate and is respectively positioned at the upper side and the lower side of the conveyor belt.

The bottom of the lifting pressing plate 7 is provided with a step-shaped backing plate 71, the front end of the backing plate is low, the rear end of the backing plate is high, an arc-shaped transition area is arranged in the middle of the backing plate, the width of the lifting pressing plate 7 is D, the width of the accommodating area 41 is D, d=2nd, n is a positive integer, the time of each advancing lattice of the conveying belt is T, and the cycle period of the lifting pressing plate is T, and t=nt.

The pad may also be of a beveled configuration, as shown in fig. 8.

In the embodiment, the base plate 71 is arranged at the bottom of the lifting pressing plate 7, and the reciprocating time of the lifting pressing plate and the moving speed of the conveying belt are matched; taking n as 1 as an example for explanation; the conveyer belt advances one check, and the lift clamp plate is accomplished one and is reciprocated to the step backing plate front end carries out primary breakage, then the conveyer belt removes one check forward, and the rear end of backing plate is broken once more to the nut of preliminary broken department again, because the front end of backing plate is thin, and the rear end is thick, thereby the rear end has bigger extrusion force, and twice extrusion is broken, has improved the broken degree of nut, and the nut breakage rate is high in holding the district all the time when broken simultaneously.

Example 5: this embodiment is substantially the same as embodiment 1, except that: the reciprocating amplitude of the lifting pressure plate 7 is adjustable in this embodiment.

The eccentric parts of the driving wheels 9 are provided with a plurality of hinge holes, hinge seats are arranged in the hinge holes, the bottoms of the eccentric rods are hinged to one of the hinge seats, the side edges of the middle part of the lifting pressing plate 7 are extended to two sides to be provided with extension shaft seats, the upper parts of the eccentric rods 8 are hinged to the extension shaft seats, and accordingly the root parts of the eccentric rods 8 are hinged to the different hinge seats, so that the amplitude of the lifting pressing plate is adjustable, and the lifting pressing plate is applicable to nut crushing with different diameters even if the crushing degree of the lifting pressing plate and nuts is adjustable.

Example 6: this embodiment is substantially the same as embodiment 1, except that: the structure of the homogenizing roller is further limited in the embodiment.

In this embodiment, as shown in fig. 11, the partition 23 is an arc-shaped plate, that is, the projection of the partition 23 on the homogenizing roller 22 is an arc-shaped structure, which brings the following effects: the both sides of baffle 23 contact with the lateral wall of hopper down first, and contact with the lateral wall behind the middle part to reserve in the middle part has the export, and unnecessary nuts between the baffle can be discharged from the middle part under the extrusion of lateral wall, avoid because the nut is too much to form the dead state of card between baffle and discharge gate lateral wall.

Claims

1. A nut crushing device, characterized in that it comprises a feeding mechanism, a conveying mechanism, a crushing mechanism and a feeding hopper; the feeding mechanism comprises a bracket, a feeding hopper and a material equalizing device; the feeding hopper is arranged at the upper part of the bracket, and the material equalizing device is arranged at the discharge port of the feeding hopper; the conveying mechanism comprises a frame, a conveyor belt, a flexible baffle and a conveying wheel; the front end of the frame is located in the bracket, the conveyor belt is installed on the frame, and its front end is located directly below the feeding hopper; the flexible baffle is installed on the conveyor belt along the vertical interval, so as to form a plurality of adjacent accommodating areas on the conveyor belt; Rotating shafts are provided at the front and rear ends of the conveyor belt, and a conveying wheel is provided on the outer end of the rotating shaft at the rear end; the crushing mechanism includes a fixed frame, a lifting and lowering pressure plate, a driving wheel, an eccentric rod and a driving motor; the fixed frame includes an upper fixed plate, a lower fixed plate and a limit support rod; the lower fixed plate is fixed on both sides of the frame, the limit support rod is vertically fixed to the lower fixed plate, and the upper fixed plate spans the conveyor belt and is fixed to the upper end of the limit support rod; the lifting and lowering pressure plate is provided with a sliding hole corresponding to the limit support rod, the lifting and lowering pressure plate covers the conveyor belt horizontally, and is sleeved on the limit support rod and can move along the limit support The rod slides up and down; a common rotating shaft is provided on the frame, and the driving wheel is provided at both ends of the common rotating shaft, and the two ends of the eccentric rod are respectively hinged at the eccentric part of the driving wheel and the two sides of the lifting and pressing plate; a linkage wheel is also provided on the common rotating shaft, and the linkage wheel is connected with the conveying wheel through a belt transmission, and a middle driving wheel is provided in the middle of the common rotating shaft, and the driving motor is installed on the frame, and its rotating shaft is connected with the middle driving wheel through a belt transmission, the dropping hopper is inclined downward, and its upper part is fixed or clamped on the frame, and a supporting plate is provided at the lower part of the conveyor belt, and the supporting plate and the lifting and pressing plate are connected. The lifting and lowering plates are respectively adapted to each other and correspond to the lifting and lowering plates, and are respectively located on the upper and lower sides of the conveyor belt. A step-shaped or inclined pad is provided at the bottom of the lifting and lowering plates. The width of the lifting and lowering plates is D, the width of the accommodating area is d, D=2nd, n is a positive integer, and the time for the conveyor belt to advance one grid is t, the cycle period of the lifting and lowering plates is T, T=nt, and a plurality of articulated seats are provided at different eccentric positions of the driving wheel, the bottom of the eccentric rod is hinged on one of the articulated seats, and an extended shaft seat is provided on both sides of the middle side of the lifting and lowering plates, and the upper part of the eccentric rod is hinged on the extended shaft seat.

2. The nut crushing device according to claim 1 is characterized in that: the frame is located in the bracket, and connecting holes are correspondingly provided at the upper and middle parts of the frame, and the frame and the bracket can be connected together by passing connecting bolts through the connecting holes.

3. The nut crushing device according to claim 1 is characterized in that: the material distribution device includes a material distribution roller and a stepper motor, the material distribution roller is rotatably arranged at the discharge port of the lower hopper, and a plurality of partitions are evenly arranged on the material distribution roller, thereby forming a plurality of material storage areas on the material distribution roller; the stepper motor is connected to the rotating shaft of the material distribution roller so that it can rotate at a fixed angle.

4. The nut crushing device according to claim 1 is characterized in that: the material equalizing device includes an adjusting roller and a stepping motor; a discharge port is provided at the bottom of the lower hopper, the diameter of the adjusting roller is adapted to the discharge port, and the adjusting roller is sleeved in the discharge port, a rotating shaft is provided at one end of the adjusting roller, the rotating shaft extends out of the side wall of the lower hopper, and the stepping motor is transmission-connected to the rotating shaft.