CN111887437A

CN111887437A - Nut breaker

Info

Publication number: CN111887437A
Application number: CN202010694730.1A
Authority: CN
Inventors: 董慧锋; 王博; 贾瑞匣; 罗天鑫; 雷雪
Original assignee: Zhengzhou University of Industrial Technology
Current assignee: Zhengzhou University of Industrial Technology
Priority date: 2020-07-18
Filing date: 2020-07-18
Publication date: 2020-11-06
Anticipated expiration: 2040-07-18
Also published as: CN111887437B

Abstract

The invention discloses a nut crushing device which comprises a blanking mechanism, a conveying mechanism, a crushing mechanism and a blanking hopper; the blanking mechanism comprises a bracket, a blanking hopper and a material homogenizing device; the blanking hopper is arranged at the upper part of the bracket, and the material homogenizing device is arranged at a discharge port of the blanking hopper; the conveying mechanism comprises a rack, a conveying belt, a flexible baffle and a conveying wheel; the flexible baffles are vertically arranged on the conveyor belt at intervals, and the crushing mechanism comprises a fixed frame, a pressure rising and reducing plate, a driving wheel, an eccentric rod and a driving motor; the lifting pressure plate is provided with a sliding hole corresponding to the limiting support rod, transversely covers the conveyor belt, is sleeved on the limiting support rod and can slide up and down along the limiting support rod; according to the invention, the containing area is provided for the nuts in the crushing process, the positions of the nuts are limited, and the containing area corresponds to the extruding area, so that the nuts cannot be separated from the extruding area during extruding, the crushing effect is ensured, and the components are ingeniously matched in transmission, so that 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 essential important resource in life of people, and oil can be extracted from peanuts. Microelements required by human bodies are difficult to obtain from rice and vegetables, but can be well obtained by eating nuts. The shell of nuts is generally hard and tough.

When a manual shell breaker is used, the shell is difficult to break by mastering the self force, the shell cannot be broken when the force is small, but the phenomenon that the inner cores are all damaged when the force is too large can occur. The initial processing of nut machines is called the first processing of nut machines, and China requires the handling of a large number of nuts each year. Most of the nut processing in China still follows the traditional manual processing mode of the existing nut cracking tools, so that the development and processing of nuts still have great development space on cracking, and the modern nut food processing quality level also needs a confidential cracking machine to be improved.

Although current nut rejuvenator can have certain broken wall function, but when specifically using, because structural defect, the nut often all is simple just directly discharges after once broken wall, the broken wall effect is poor, the nut all scatters simultaneously and lays and put, lack the restriction that corresponds, the nut breaks away from the extrusion region under the effect of extrusion force easily at extrusion in-process nut, cause the nut broken wall insufficient, for the work load that alleviates artifical nut rejuvenator, it is high to reduce the cost of labor, improve nut broken wall effect, therefore it is necessary to study a nut breaker.

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 nut wall breaking effect, insufficient wall breaking and heavy workload of the existing equipment.

The technical scheme adopted by the invention for solving the technical problems is as follows: a nut crushing device comprises a blanking mechanism, a conveying mechanism, a crushing mechanism and a blanking hopper; the blanking mechanism comprises a bracket, a blanking hopper and a material homogenizing device; the blanking hopper is arranged at the upper part of the bracket, and the material homogenizing device is arranged at a discharge port of the blanking hopper; the conveying mechanism comprises a rack, a conveying belt, a flexible baffle and a conveying wheel; the front end of the rack is positioned in the bracket, the conveyer belt is arranged on the rack, 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 intervals along the vertical direction, so that a plurality of adjacent containing 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 end of the rotating shaft at the rear end of the conveying belt is provided with a conveying wheel; the crushing mechanism comprises a fixed frame, a pressure rising and reducing 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 limiting supporting rod; the lower fixing plates are fixed on two sides of the rack, the limiting support rods are vertically fixed on the lower fixing plates, and the upper fixing plates stretch across the conveying belt and are fixed at the upper ends of the limiting support rods; the lifting pressing plate is transversely covered on the conveyor belt, sleeved on the limiting supporting rod and capable of sliding up and down along the limiting supporting rod; the 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 part of the driving wheels and two sides of the voltage rising and dropping plate; the common rotating shaft is also provided with a linkage wheel, the linkage wheel is in transmission connection with the conveying wheel through a belt, the middle part of the common rotating shaft is provided with a middle driving wheel, a driving motor is installed on the rack, the rotating shaft of the driving motor is in transmission connection with the middle driving wheel through the belt, the blanking hopper is obliquely arranged downwards, and the upper part of the blanking hopper is fixed or clamped on the rack.

Furthermore, the rack is located in the support, connecting holes are correspondingly formed in the upper portion and the middle portion of the rack, and the rack can be connected with the support together through connecting bolts penetrating through the connecting holes.

Furthermore, the material homogenizing device comprises a material homogenizing roller and a stepping motor, the material homogenizing roller is rotatably arranged at a discharge port of the blanking 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 a 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 hopper is provided with the discharge gate down, the diameter and the discharge gate looks adaptation of regulating roller to the suit is in the discharge gate, and the one end of regulating roller is provided with the pivot, and the hopper lateral wall is down extended to the pivot, and step motor is connected with the pivot transmission.

Furthermore, the lower part of the conveying belt is provided with a supporting plate, the supporting plate is matched with the lifting and lowering pressure plate in size, corresponds to the lifting and lowering pressure plate and is respectively positioned at the upper side and the lower side of the conveying belt.

Furthermore, a step-shaped base plate is arranged at the bottom of the pressure rising and reducing plate, the width of the pressure rising and reducing plate is D, the width of the accommodating area is D, D =2nd, n is a positive integer, the time of each advance of the conveyor belt by one grid is T, the cycle period of the pressure rising and reducing plate is T, and T = nt.

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

Furthermore, a plurality of hinged seats are arranged at different eccentric positions of the driving wheel, the bottom of the eccentric rod is hinged on one of the hinged seats, an extending shaft seat is arranged on the side edge of the middle part of the pressure rising and reducing plate in an extending mode towards two sides, and the upper part of the eccentric rod is hinged on the extending shaft seat.

The invention has the beneficial effects that:

the invention is provided with the bracket and the rack, and the bracket and the rack can be fixed together, can be disassembled, are convenient to assemble and transport, and have strong practicability.

2, set up down the hopper on the support, down hopper department has set up the mixing device, and the mixing device has two kinds of forms, one of which, intermittent type nature unloading: the material homogenizing roller is driven to rotate by a stepping motor, a plurality of material storage areas are arranged on the material homogenizing roller, one-time blanking is realized by each rotation, and each blanking correspondingly falls into the containing area; and secondly, continuous blanking is performed, the matching angle of the adjusting roller and the blanking port is controlled through the stepping motor, the speed of the continuous blanking is adjusted, and nuts with certain thickness are flatly paved in the containing areas, so that the uniform nuts are arranged in each containing area through the material balancing device, and a good foundation is provided for the crushing mechanism.

3, the conveyer belt has been set up in the frame, the conveyer belt is last along vertical being provided with flexible baffle, form between the flexible baffle and hold the district, it makes the nut restrict in certain area all the time to hold the district, can not make the nut break away from the extrusion region because the extrusion of pressure rising and dropping board, guaranteed that every nut all passes through the extrusion, the crushing effect of nut has been improved, through flexible baffle elastic deformation takes place under the oppression of pressure rising and dropping board, thereby provide the stroke for the downward extrusion breakage of pressure rising and dropping board.

4, a fixing frame is arranged on the rack, a limiting supporting rod is vertically arranged on the fixing frame, a lifting pressure plate is sleeved on the limiting supporting rod, the lifting pressure plate can be driven by an eccentric rod mechanism and can reciprocate up and down along the limiting supporting rod in a fixed amplitude, when the lifting pressure plate reaches the lowest position, the lifting pressure plate can press and contact the flexible baffles and extrude nuts among the flexible baffles, in order to ensure the extrusion strength during extrusion, a supporting plate is arranged at the bottom of the conveying belt, and the conveying belt can slightly deform and contact the supporting plate under the action of extrusion force, so that the breaking strength of the nuts is ensured; meanwhile, the multi-stage crushing is also arranged, the nuts in the containing area are firstly subjected to primary crushing and then subjected to secondary crushing by using the step-shaped base plate, the crushing degree is good, and meanwhile, the nuts are always in the containing area during crushing, so that the phenomenon that the nuts overflow out of the extrusion area due to extrusion force is avoided, and the crushing effect is ensured.

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

Therefore, the nut crushing device is novel in structure, the containing area is provided for nuts in the crushing process, the positions of the nuts are limited, the containing area corresponds to the extruding area, the nuts cannot be separated from the extruding area during extruding, the crushing effect is guaranteed, transmission matching of all parts is ingenious, cost investment is saved, the use is convenient, the assembly is convenient, the transportation cost is low, the popularization and the use are convenient, the nut crushing device is a great innovation for nut crushing, and huge economic and social benefits are achieved.

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 diagram of the rack and various components on the rack.

Fig. 6 is a schematic view of a driving structure of the voltage rising and lowering plate.

Fig. 7 is a schematic structural view of the backing plate.

Fig. 8 is another structural view of the backing plate.

Fig. 9 is a schematic structural diagram of the homogenizing device.

FIG. 10 is another schematic view of the homogenizing structure.

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

The reference numbers 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 lever; 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 supporting rod, and 63 is an upper fixing plate; 7 is a lifting pressing plate, and 71 is a backing plate; 8 is an eccentric rod, 9 is a driving wheel, 10 is a public 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 is further illustrated with reference to the following figures and examples.

Example 1: this embodiment aims at providing a nut breaker, mainly used carries out mechanized breakage to the nut in the industry, when using to current breaker, the nut diffuses outside the broken zone easily when the extrusion, it is poor to cause the nut crushing effect, appear leaking broken nut easily, still need the manual work to carry out clearly once more and pick up, it is troublesome to use, and current broken structure only goes forward once broken, crushing degree is poor, and breaker is a complete machinery basically, the cost of transportation is high, this embodiment provides a nut breaker for this reason, concrete 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 blanking mechanism is used for temporarily storing nuts and uniformly blanking the nuts; the blanking hopper 2 is arranged at the upper part of the bracket 1, and the material homogenizing device is arranged at a discharge hole 21 of the blanking hopper; as shown in fig. 9, the material homogenizing device includes a material homogenizing roller 22 and a stepping motor, the material homogenizing roller 22 is rotatably disposed at a discharge port 21 of the blanking hopper, the discharge port 21 is of a circular structure, the material homogenizing roller 22 is disposed in the circular structure, and a plurality of baffles 23 are uniformly disposed on the material homogenizing roller, so that a plurality of material storage areas are formed on the material homogenizing roller 22, the baffles 23 are matched with the circular structure and form sealing, when the material storage areas are upward, the nuts in the blanking hopper fall into the material storage areas, when the material storage areas are rotated to the circular structure, a sealing state is formed, and when the material storage areas are downward, the nuts in the material storage areas are downward discharged; the stepping motor is in transmission connection with a rotating shaft of the material homogenizing roller, so that the material homogenizing roller can rotate at a fixed angle, and one-time blanking can be completed by rotating every time.

As shown in fig. 1, the basic mechanism of the bracket 1 is a portal frame-shaped mechanism, a rotating shaft 25 and a limiting blocking rod 26 are arranged on the front side and the rear side of the upper part of the basic mechanism, the blanking hopper 2 is positioned between the two, the blanking hopper 2 is fixedly connected with the rotating shaft 25, the limiting blocking rod 26 is detachably mounted on the bracket 1, when feeding is needed, the limiting blocking rod 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 port 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 a conveying wheel 12; the front end of the rack 3 is positioned in the bracket 1, the conveyer belt 4 is arranged on the rack 3, and the front end of the conveyer belt is positioned under the blanking hopper 2; the flexible baffles 5 are mounted on the conveyor belt 4 at vertically spaced intervals so as to form a plurality of adjacent receiving areas 41 on the conveyor belt 4; the holding area 41 is used for storing nuts, so that the nuts are all held in the holding area during transportation and extrusion, the crushing effect is greatly improved, the broken nuts cannot be leaked, the artificial participation degree is reduced, and the working efficiency is improved.

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

The crushing mechanism comprises a fixed frame 6, a lifting pressure plate 7, a driving wheel 9, an eccentric rod 8 and a driving motor 13; the fixed frame 6 comprises an upper fixed plate 63, a lower fixed plate 61 and a limiting support rod 62; the two lower fixing plates 61 are respectively fixed on two sides of the frame 3, the limit support rod 52 is vertically fixed on the lower fixing plates 61, and the upper fixing plate 62 crosses the conveyor belt 4 and is fixed at the upper end of the limit support rod 62; the lower fixing plate 61 has a fixed connection function, the upper fixing plate 63 further reinforces the connection strength of the limiting support rod 62, the structure is more stable, and the upper fixing plate 63 is also used as the upper limit of the pressure rising and reducing plate 7.

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

A common rotating shaft 10 is arranged on the frame 3, 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 part of the driving wheels 9 and two sides of the lifting pressing plate 7; the drive wheel 9 rotates and can drive the eccentric rod 8, and the eccentric rod 8 drives the pressure rising and reducing plate 7 to reciprocate up and down along the limiting support rod 62, and when the pressure rising and reducing plate 7 is located at the lowest part, the flexible baffle 5 can be pressed and touched and the nut in the containing area 41 can be crushed.

Still be provided with linkage wheel 11 on the public pivot 10, linkage wheel 11 passes through belt transmission with conveying wheel 12 and is connected, the middle part of public pivot 10 is provided with well drive wheel 13, and driving motor 14 installs in frame 3, and its pivot passes through the belt and is connected with well drive wheel 13 transmission to the drive end that makes conveyer belt 4 and lift clamp plate 7 through setting up public pivot 10 in this embodiment links together, can drive both simultaneously through a driving motor 14, and compact structure, blanking fill 15 slopes to set up downwards, and its upper portion is fixed or clamps in the frame.

In the present embodiment, in specific use: firstly, nuts are placed into a discharging hopper, a driving motor is started, a conveying belt runs, then the nuts are uniformly tiled in a containing area through a material homogenizing device, the conveying belt runs, a driving wheel is linked with the conveying belt, a lifting pressure plate is driven to reciprocate up and down through an eccentric rod, and a compression force is formed between the lifting pressure plate and the conveying belt during extrusion; the nuts in the containing 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 procedure or container along the blanking hopper.

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

The frame 3 is positioned in the support, the upper part and the middle part of the frame 3 are correspondingly provided with connecting holes 17, the frame 3 can be connected with the support 1 through connecting bolts penetrating in the connecting holes 17, and the height of the support is basically matched with the length of the frame, so that the packaging and the transportation are convenient.

Thereby support and frame can be opened the assembly of dismantling in this embodiment together, and both can be tied up together when the transportation, and the transportation is convenient, and with low costs, and can assemble together simple compound mode, simple to operate.

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

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

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

As shown in fig. 7, a pallet 16 is disposed at the lower part of the conveyor belt 4, and the pallet 16 is matched with the size of the lifting and lowering platen 7 and corresponds to the lifting and lowering platen, and is respectively located at the upper and lower sides of the conveyor belt.

Step-shaped base plates 71 are arranged at the bottoms of the pressure rising and reducing plates 7, the front ends of the base plates are low, the rear ends of the base plates are high, arc-shaped transition areas are arranged in the middle of the pressure rising and reducing plates, the width of the pressure rising and reducing plates 7 is D, the width of the accommodating area 41 is D, D =2nd, n is a positive integer, the time of each advancing grid of the conveying belt is T, the cycle period of the pressure rising and reducing plates is T, and T = nt.

As shown in fig. 8, the shim plate may also be of a ramp-like configuration.

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 is matched with the movement speed of the conveying belt; the case where n is 1 will be described; the conveyer belt check that gos forward, once reciprocal is accomplished to the lift clamp plate to the backing plate front end of step form carries out a preliminary breakage, then a conveyer belt antedisplacement check, the rear end of backing plate carries out breakage once more to the nut of preliminary broken department once more, because the front end of backing plate is thin, the rear end is thick, thereby the rear end has bigger extrusion force, twice extrusion is broken, the broken degree of nut has been improved, simultaneously the nut is all the time in holding the district when the breakage, the nut percentage of damage is high.

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

The different eccentric departments of drive wheel 9 are provided with a plurality of hinge holes, the articulated seat in the hinge hole, the bottom of eccentric rod articulates on one of them articulated seat, the middle part side of lift clamp plate 7 extends to both sides and is provided with the extension axle bed, the upper portion of eccentric rod 8 articulates on extending the axle bed, thereby articulate on the articulated seat of difference through the root with eccentric rod 8, thereby make the range of lift clamp plate adjustable, even the broken degree of lift clamp plate and nut is adjustable, be applicable to the nut of different diameters broken.

Example 6: this example is substantially the same as example 1, except that: the present example further defines the structure of the leveler roller.

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 material homogenizing roller 22 is an arc-shaped structure, and the following effects are achieved: the both sides of baffle 23 are at first with the lateral wall contact of hopper down, and the contact of middle part back with the lateral wall to reserve at the middle part and have the export, unnecessary nut between the baffle can be discharged from the middle part under the extrusion of lateral wall, avoids because the nut is too much forms the card dead state between baffle and discharge gate lateral wall.

Claims

1. A nut breaker which characterized in that: comprises a blanking mechanism, a conveying mechanism, a crushing mechanism and a blanking hopper; the blanking mechanism comprises a bracket, a blanking hopper and a material homogenizing device; the blanking hopper is arranged at the upper part of the bracket, and the material homogenizing device is arranged at a discharge port of the blanking hopper; the conveying mechanism comprises a rack, a conveying belt, a flexible baffle and a conveying wheel; the front end of the rack is positioned in the bracket, the conveyer belt is arranged on the rack, 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 intervals along the vertical direction, so that a plurality of adjacent containing 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 end of the rotating shaft at the rear end of the conveying belt is provided with a conveying wheel; the crushing mechanism comprises a fixed frame, a pressure rising and reducing 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 limiting supporting rod; the lower fixing plates are fixed on two sides of the rack, the limiting support rods are vertically fixed on the lower fixing plates, and the upper fixing plates stretch across the conveying belt and are fixed at the upper ends of the limiting support rods; the lifting pressing plate is transversely covered on the conveyor belt, sleeved on the limiting supporting rod and capable of sliding up and down along the limiting supporting rod; the 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 part of the driving wheels and two sides of the voltage rising and dropping plate; the common rotating shaft is also provided with a linkage wheel, the linkage wheel is in transmission connection with the conveying wheel through a belt, the middle part of the common rotating shaft is provided with a middle driving wheel, a driving motor is installed on the rack, the rotating shaft of the driving motor is in transmission connection with the middle driving wheel through the belt, the blanking hopper is obliquely arranged downwards, and the upper part of the blanking hopper is fixed or clamped on the rack.

2. The nut cracker of claim 1 further comprising: the rack is positioned in the support, connecting holes are correspondingly formed in the upper portion and the middle portion of the rack, and the rack can be connected with the support through connecting bolts penetrating through the connecting holes.

3. The nut cracker of claim 1 further comprising: the material homogenizing device comprises a material homogenizing roller and a stepping motor, the material homogenizing roller is rotatably arranged at a discharge port of the blanking 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 a rotating shaft of the material homogenizing roller, so that the stepping motor can rotate at a fixed angle.

4. The nut cracker of claim 1 further comprising: the material homogenizing device comprises an adjusting roller and a stepping motor; the bottom of hopper is provided with the discharge gate down, the diameter and the discharge gate looks adaptation of regulating roller to the suit is in the discharge gate, and the one end of regulating roller is provided with the pivot, and the hopper lateral wall is down extended to the pivot, and step motor is connected with the pivot transmission.

5. The nut cracker of claim 1 further comprising: the lower part of the conveying belt is provided with a supporting plate, the supporting plate is matched with the lifting and lowering plates in size, corresponds to the lifting and lowering plates and is respectively positioned at the upper side and the lower side of the conveying belt.

6. The nut cracker of claim 5 wherein: the bottom of the pressure rising and reducing plate is provided with a step-shaped base plate, the width of the pressure rising and reducing plate is D, the width of the accommodating area is D, D =2nd, n is a positive integer, the time of each advance of the conveying belt is T, the cycle period of the pressure rising and reducing plate is T, and T = nt.

7. The nut cracker of claim 6 further comprising: the shim plate may also be of a ramp-like construction.

8. The nut cracker of claim 1 further comprising: a plurality of hinged seats are arranged at different eccentricities of the driving wheel, the bottom of the eccentric rod is hinged to one of the hinged seats, an extending shaft seat is arranged on the side edge of the middle of the pressure rising and reducing plate in a manner of extending towards two sides, and the upper portion of the eccentric rod is hinged to the extending shaft seat.