CN116371733B - Walnut shell breaking and kernel shell separating equipment and processing production line - Google Patents

Abstract

The invention provides walnut shell breaking and kernel shell separating equipment and a processing production line, wherein the walnut shell breaking and kernel shell separating equipment comprises a material classifying device, a shell breaking and separating device and a kernel shell separating device; the material classifying device is used for classifying materials according to grades; the shell breaking and sorting device comprises a shell breaking and sorting integrated machine with adjustable shell breaking gaps, and is used for breaking shells of materials with different grades and roughly sorting the materials; the kernel-shell separation device is used for carrying out kernel-shell secondary separation and collection on the roughly separated materials. The device has reasonable layout, simple structure and easy operation, and can meet the high-efficiency separation of large-batch walnut kernels and shells; the automatic and intelligent operation also greatly saves labor force and improves labor efficiency.

Description

Walnut shell breaking and kernel shell separating equipment and processing production line

Technical Field

The invention relates to the technical field of dry separation, in particular to walnut shell breaking and kernel shell separating equipment and a processing production line suitable for pecans such as pecans of special products in Yunnan.

Background

China is the first large country of walnut planting area and output, and the demand of deep-processed walnut products with high nutrition and economic added value is increasing day by day, so that the walnut has wide comprehensive development and utilization prospect. The classification, shell breaking and kernel taking and shell and kernel separating of the walnut are the most critical 3 links in the primary processing process, and are the necessary previous procedures for the deep processing of the walnut. The walnut is a special product in Yunnan, the kernel yield is about 55.7%, the high yield is high, the quality is good, and the walnut is suitable for being planted in areas with higher altitudes, but the shell thickness is about 1 mm. At present, the traditional manual operation mode and the walnut primary processing device with simple functions are mostly adopted for separating the shell from the kernel, so that the cost is high, the efficiency is low, the requirements of the food industry on the high quality and the batch production of the walnut can not be met, and the development of the walnut industry is severely restricted. Therefore, research and development of walnut classification, shell breaking and kernel taking and shell kernel separating equipment improves the added value of the walnut, and reduces labor cost is an urgent problem to be solved by the current walnut industry.

Disclosure of Invention

The invention aims to provide walnut shell breaking and kernel shell separating equipment and a processing production line, which are used for solving at least one of the technical problems in the prior art.

In order to solve the technical problems, the invention provides walnut shell breaking and kernel shell separating equipment, which comprises a material classifying device, a shell breaking and separating device and a kernel shell separating device;

the material classifying device is used for classifying materials according to grades;

the shell breaking and sorting device comprises a shell breaking and sorting integrated machine with adjustable shell breaking gaps, and is used for breaking shells of materials with different grades and roughly sorting the materials;

the kernel-shell separation device is used for carrying out kernel-shell secondary separation and collection on the roughly separated materials.

Further, the material grading device comprises a walnut grader and a shell and fruit temporary storage box;

the walnut is divided into a plurality of grades according to the size, and each grade corresponds to a set specification and size; the walnut classifier is provided with rollers corresponding to different specification sizes, and the circumferential surface of the rollers is provided with sieve holes matched with the specification sizes of the walnut of corresponding grades;

the walnut classifier is powered by a motor speed reducer.

Further, the shell fruit temporary storage box is provided with a plurality of shell fruit temporary storage boxes, is positioned below the discharge port of the walnut classifier and is used for correspondingly storing the classified walnuts.

Through the walnut grader, divide into 5 grades with the walnut according to the size to corresponding depositing in the shell fruit temporary storage case, avoided not the irregular extrusion of walnut of equidimension in the decortication intracavity, lead to broken shell effect uneven phenomenon, provide the basis for the fixed broken shell clearance of later process, improvement production efficiency.

Preferably, an automatic discharging device is arranged in the shell and fruit temporary storage box; the automatic discharging device can automatically control the opening size of the material door.

The automatic discharging device is an electric push rod, an automatic horizontal sliding door, an automatic lifting door and the like.

Further, the shell breaking and sorting integrated machine is provided with a plurality of shells, each shell breaking and sorting integrated machine comprises a frame and a rotary cone barrel shell breaking mechanism, and the rotary cone barrel shell breaking mechanism is used for extruding and breaking shells of walnuts;

the rotary cone barrel shell breaking mechanism is arranged in the frame and comprises an inner cone and an outer cone;

the outer cone barrel is fixedly arranged on the frame;

the inner cone body is coaxially and rotatably arranged in the outer cone barrel, and the conicity of the inner cone body is different from that of the outer cone barrel;

the outer surface of the inner cone and the inner surface of the outer cone barrel form a peeling cavity with different gap sizes, and a plurality of bosses are arranged on the outer surface of the inner cone and the inner surface of the outer cone barrel.

The boss can increase the friction force between the walnut and the outer cone and between the walnut and the inner cone, and the shell breaking efficiency of the walnut is improved.

Further, the rotary cone shell breaking mechanism further comprises a transmission part and a spacing adjusting part;

the transmission part comprises a first driving motor and a rotating shaft; the first driving motor is fixedly arranged on the motor mounting plate, and an output shaft of the first driving motor is fixedly connected with the rotating shaft;

the rotating shaft is coaxially and fixedly arranged at the center of the inner cone;

the left side and the right side of the motor mounting plate are respectively provided with a guide block, and the guide blocks can move up and down along the guide grooves on the guide plates;

the guide plate is fixedly connected with the top of the frame.

Preferably, the interval adjusting part comprises an adjusting screw rod, and one end of the adjusting screw rod passes through the motor mounting plate downwards and is fastened by a fastening nut;

the other end of the adjusting screw rod penetrates through the top of the frame upwards and is in threaded connection with a connecting plate fixedly arranged on the top of the frame;

the exposed end of the adjusting screw is provided with a clamping part which is convenient for clamping a spanner.

The cross section of the clamping part is in the shape of a right four sides, a right six sides and the like, so that the clamping part can be conveniently clamped and rotated by tools such as a spanner and the like.

Specifically, the adjusting screw is rotated, the inner cone and the motor are driven to move upwards or downwards along the guide groove on the guide plate simultaneously through threaded connection of the adjusting screw and the motor mounting plate, so that adjustment of a gap between the inner cone and the outer cone barrel is realized, and extrusion and shell breaking of walnuts of different grades are met.

Further, the rotary cone barrel shell breaking mechanism can also improve the shell breaking effect when the water content of the walnut is 8% -10%; the shell breaking rate of the rotary cone shell breaking mechanism is more than 86%, and the kernel breaking rate is 5% -7%.

Further, the shell breaking and sorting integrated machine is also provided with three discharge holes for kernel, shell and crushed kernel, and the kernel, the shell and the crushed kernel are respectively sent to the three discharge holes by a fan through the walnut broken by the shell removing cavity for coarse separation of the kernel and the shell; the wind power of the fan is adjustable.

The separation rate of the walnut shells and the kernel can be effectively improved by adjusting the wind power.

Further, the shell breaking and sorting device also comprises a shell and kernel temporary storage box, wherein the shell and kernel temporary storage box is provided with a plurality of shells which respectively correspond to the discharge holes of the shell breaking and sorting integrated machine;

wherein, the kernel and the shell stored in the shell kernel temporary storage box corresponding to the kernel and shell discharging hole of the shell breaking and sorting device are supplied to the following secondary separation device through the material conveying device, and the crushed kernels in the shell kernel temporary storage box corresponding to the kernel discharging hole of the shell breaking and sorting device can be sent to squeeze oil because the kernel and the shell are not easy to separate.

An automatic discharging device is arranged in each shell and kernel temporary storage box; the automatic discharging device can automatically control the opening size of the material door.

The automatic discharging device is an electric push rod, an automatic horizontal sliding door, an automatic lifting door and the like.

Preferably, the air suction type kernel-shell separation device comprises a vibration separation sieve, a cyclone discharger and a centrifugal induced draft fan;

the vibration separation sieve is provided with a plurality of vibrating and secondary sieving are used for vibrating and secondarily sieving the roughly separated kernel shells; the screen surface of the vibrating screen is obliquely arranged at a set included angle with the horizontal surface, so that the walnut kernels can flow down along the screen surface under the action of a vibrating motor and gravity; each vibration separation screen is provided with 2 vibration motors for driving the screen surface to vibrate;

an air outlet pipe is vertically arranged above the screen surface of the vibration separation screen, and a feeding end of the air outlet pipe is bent and then is arranged perpendicular to the screen surface of the vibration separation screen for sucking walnut shells; a butterfly valve is arranged at the feeding end of the air outlet pipe and used for adjusting the air quantity; the discharge end of the air outlet pipe is connected with the cyclone discharger.

Further, the cyclone discharger and the centrifugal induced draft fan are used for sucking the walnut shells separated by vibration through the air outlet pipe, and delivering the walnut shells to the cyclone discharger and discharging the walnut shells;

The cyclone discharger is matched with a related air blower and is used for continuously discharging walnut shells; the air inlet of the centrifugal induced draft fan is provided with an air door adjusting device for adjusting the air quantity.

Through the sieve face that the slope set up, guarantee that benevolence, shell flow downwards along the sieve face is automatic, vibrating motor's exciting force makes benevolence, shell evenly distributed on the sieve face, is favorable to going out the efficient shell suction of tuber pipe, and the walnut kernel is collected along the sieve face down under vibrating motor and the effect of gravity, has improved the play benevolence rate of walnut greatly.

Preferably, the air suction type kernel-shell separation device separates kernels with a shell content of <3% and kernels with a shell content of <4%.

Further, the device also comprises a material conveying device, wherein the material conveying device comprises a Z-shaped bucket elevator and a horizontal belt conveyor;

the Z-shaped bucket elevator is provided with a plurality of pieces which respectively provide materials for the walnut classifier, the shell breaking and sorting device and the air suction type kernel-shell separating device; the motor speed reducer frequency converter provides power.

The Z-shaped bucket elevator can be set to single-point feeding and single-point discharging, multi-point feeding and multi-point discharging and the like according to the requirements of working procedures.

Further, the horizontal belt conveyor is used for conveying the classified walnuts to a feed inlet of the Z-shaped bucket elevator; baffles are arranged on two sides of the horizontal belt conveyor to prevent walnut from scattering;

The horizontal belt conveyor is powered by a motor speed reducer frequency converter.

The frequency converter can control the conveying speed of materials and adapt to the subsequent processing requirements.

Further, the device also comprises a control device; the control device comprises an electric control cabinet and a computer board control and is used for controlling the automatic operation of equipment;

the computer board control is PLC Siemens computer board control and is used for automatic adjustment and control of equipment.

By adopting the technical scheme, the invention has the following beneficial effects:

according to the invention, the walnut classifier classifies the walnuts with different sizes, so that the phenomenon that the shell breaking effect is uneven due to random extrusion of the walnuts with different sizes in the shell breaking cavity is avoided; the rotary cone barrel shell breaking mechanism can adjust the shell breaking gap according to different walnut grades, so that the extrusion shell breaking of the walnut is more sufficient and efficient; the secondary separation of the air suction type kernel-shell separation device improves the kernel yield and the shell yield of the walnut; the automation and the intellectualization of the equipment are realized through the control of the PLC computer board. The device has reasonable layout, simple structure and easy operation, and can meet the high-efficiency separation of large-batch walnut kernels and shells; the automatic and intelligent operation also greatly saves labor force and improves labor efficiency.

The invention in a second aspect discloses a walnut processing production line with the walnut shell breaking and separating equipment, which further comprises: an oil extraction device;

the oil extraction apparatus comprises: sterilizing and heating integrated device and oil press;

the sterilization and heating integrated device comprises: the device comprises a box body, a conveying mechanism, an ultraviolet sterilizing lamp and a heating module;

a feeding window and a discharging window are respectively arranged at the front and the back of the box body;

the conveying mechanism penetrates through the feeding window and the discharging window of the box body, and one end of the conveying mechanism is connected with the walnut shell breaking and kernel shell separating device and is used for receiving broken kernels separated by the walnut shell breaking and kernel shell separating device; the other end of the conveying mechanism is connected with a feed inlet of the oil press and is used for conveying sterilized and preheated crushed kernels into the oil press;

the ultraviolet sterilizing lamp and the heating module are arranged in the box body and are respectively used for carrying out ultraviolet sterilizing treatment and preheating treatment on crushed kernels on the conveying mechanism;

the oil press is used for carrying out oil pressing treatment on crushed kernels.

Further, the conveying mechanism includes: the device comprises a conveying motor, an active conveying roller, a passive conveying roller and a conveying belt made of gauze materials;

The conveying belt is wound on the driving conveying roller and the driven conveying roller;

and a power output shaft of the conveying motor is connected with the driving conveying roller and is used for driving the conveying belt to circularly move.

The conveying belt is made of materials such as gauze (preferably coarse gauze, more preferably coarse gauze), the gauze has the advantages of ventilation, small pores and the like, broken kernels cannot leak in the conveying process, meanwhile, ultraviolet rays, water vapor and heat radiation can pass conveniently, and the sterilization and preheating effects on the broken kernels are improved.

Further, the conveyor belt is provided with reinforcing ribs made of wear-resistant fibers at intervals along the conveying direction on the side surface contacting the active conveying roller and the passive conveying roller.

Preferably, the wear-resistant fiber is a textile fiber such as nylon, polypropylene, vinylon, polyethylene, terylene or acrylon.

Further, sterilization sections are respectively arranged in the box body;

a plurality of ultraviolet sterilizing lamps are distributed in the sterilizing section and above the conveying belt at intervals.

Further, a plurality of ultraviolet sterilizing lamps are arranged below the conveying path of the conveying belt at intervals in the sterilizing section and used for irradiating conveyed crushed kernels from bottom to top.

Further, the heating module is a heating lamp tube; heating sections are respectively arranged in the box body;

a plurality of heating lamp tubes are distributed in the heating section and above the conveying belt at intervals.

Further, a plurality of heating lamp tubes are arranged below the conveying path of the conveying belt at intervals in the heating section and used for irradiating conveyed crushed kernels from bottom to top.

The production line is added with comprehensive utilization equipment of crushed kernels, namely 5% -7% of crushed kernels are directly conveyed to an oil press for oil pressing after sterilization and preheating treatment through a conveying mechanism, so that the production efficiency and the utilization rate of walnut kernels are improved; because links such as intermediate storage are not needed, the possibility of mildew and deterioration in the walnut kernel storage process is avoided, and the storage cost is greatly saved.

The relatively complete walnut kernel can be rotated out for other uses, or can be separated, crushed by grinding or crushing equipment, sterilized and preheated by a conveying mechanism and then conveyed to an oil press for oil pressing treatment.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are some embodiments of the invention and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a walnut shell breaking and kernel shell separating apparatus provided in example 1;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic diagram of the operation of the walnut classifier;

fig. 4 is a schematic diagram of a shell breaking operation of the shell breaking and sorting integrated machine;

FIG. 5 is an enlarged view of FIG. 1 at A;

FIG. 6 is an enlarged view of the portion B in FIG. 1, and is also a schematic diagram of the operation of the air suction type kernel-shell separator;

FIG. 7 is an enlarged view of FIG. 3 at C;

fig. 8 is a schematic structural view of an oil press device according to embodiment 2 or 3;

fig. 9 is a schematic structural view of an integrated sterilization and heating device in embodiment 2 of the present invention;

FIG. 10 is a partial view from E in FIG. 9;

FIG. 11 is a partial schematic view of the upper chamber shown in FIG. 8;

FIG. 12 is a partial schematic view of the lower chamber and the filter chamber shown in FIG. 8;

fig. 13 is a schematic view of the structure of the split assembly in embodiment 3 when the via hole is completely opened;

fig. 14 is a schematic view showing the structure of the embodiment 3 in which the vias of the dividing member are completely closed.

Reference numerals:

1-Z type bucket elevator; 11-a first elevator; 12-a second elevator; 13-a third elevator; 2-walnut grader; 21-a roller; 211-sieve holes; 3-a shell fruit temporary storage box; 31-an electric push rod; 4-a horizontal belt conveyor; 5-shell breaking and sorting integrated machine; 51-a frame; 52-a rotary cone shell breaking mechanism; 521-an outer cone; 522-an inner cone; 523-a first drive motor; 524-rotation axis; 525-a motor mounting plate; 526-guide blocks; 527—a guide plate; 528-adjusting screw; 529-connecting plates; 6-a shell kernel temporary storage box; 7-vibrating a separating screen; 8-cyclone discharger; 9, a centrifugal induced draft fan and 10, an air outlet pipe; 14-butterfly valve; 100-oil presses; 101-second driving motor, 110-vertical stirring cylinder, 111-upper chamber, 112-lower chamber, 113-filtering chamber, 114-upper water inlet, 115-lower water inlet, 116-first interlayer, 117-second interlayer, 118-water outlet, 119-liquid outlet, 120-stirring part, 121-main shaft, 122-upper stirring part, 123-lower stirring part, 124-stirring part, 130-dividing component, 131-first grinding plate, 132-second grinding plate, 133-first grinding hole, 134-second grinding hole, 135-rotating handle, 140-filtering component, 141-first filtering plate, 142-second filtering plate, 143-first filtering hole, 144-second filtering hole, 145-second interlayer, 146-oil tank, 150-heating unit, 151-pump body, 152-water supply pipeline, 153-water supply branch; 300-sterilizing and heating integrated device; 310-box body; 311-a sterilization section; 312-heating section; 320-ultraviolet sterilizing lamp; 330-a heating module; 340-a conveying mechanism; 341-an active conveying roller; 342-a conveyor belt; 343-passive transport rollers; 344-reinforcing ribs.

Detailed Description

The invention is further illustrated with reference to specific embodiments.

Example 1

As shown in fig. 1-2, the apparatus and process for walnut shell breaking and kernel shell separation provided in this embodiment include: a material classifying device, a shell breaking and separating device and a kernel-shell separating device;

the material classifying device is used for classifying the materials according to the grades; the shell breaking and sorting device comprises a shell breaking and sorting integrated machine 5 with adjustable shell breaking gaps, and is used for breaking shells of materials with different grades and roughly separating the materials; the kernel-shell separation device is used for carrying out kernel-shell secondary separation and collection on the roughly separated materials.

The material classifying device comprises a walnut classifier 2 and a shell and fruit temporary storage box 3; the walnut is divided into a plurality of grades according to the size, and each grade corresponds to a set specification and size; the walnut classifier 2 is provided with rollers 21 corresponding to different specification sizes, and the circumferential surface of the rollers 21 is provided with sieve holes 211 which are matched with the specification sizes of the walnut of the corresponding grade;

as shown in fig. 3 and 7, in this embodiment, the walnut is classified into 1 to 5 stages according to the size, and the stages are respectively: <25mm, 25 mm-28 mm, 28 mm-30 mm, 30 mm-32 mm, >32mm; four rollers 21 are arranged on each walnut classifier 2, and sieve holes 211 which are matched with the walnuts in 1-4 grades are sequentially and uniformly formed in the circumferential surfaces of the rollers 21; the rolling sieve is used for sieving the walnuts into 5 grades; in this embodiment, the material of the roller 21 is plastic; the walnut classifier 2 is powered by a motor speed reducer.

In the embodiment, 5 shell fruit temporary storage boxes 3 are arranged and positioned below a discharge hole of the walnut classifier 2, and are respectively and correspondingly used for storing the classified walnuts; the shell and fruit temporary storage box 3 is made of stainless steel. Through walnut grader 2, divide into 5 grades according to the size with the walnut to corresponding deposit in shell fruit temporary storage box 3, provide the basis for the fixed broken shell clearance of later process, improvement production efficiency. An automatic discharging device is arranged in the shell and fruit temporary storage box 3; the automatic discharging device can automatically control the opening size of the material door. The automatic discharging device is an electric push rod 31, an automatic horizontal sliding door, an automatic lifting door and the like. As shown in fig. 5, in the present embodiment, the automatic discharging device is an electric push rod 31.

The shell breaking and sorting integrated machines 5 are provided with 3 pieces, each shell breaking and sorting integrated machine 5 comprises a frame 51 and a rotary cone shell breaking mechanism 52, and the rotary cone shell breaking mechanism 52 is used for breaking the shells of the walnuts by extrusion; as shown in fig. 4, the rotary cone shell breaking mechanism 52 is disposed inside the frame 51 and includes an inner cone 522 and an outer cone 521; the outer cone 521 is fixedly arranged on the frame 51; the inner cone 522 is coaxially and rotatably arranged in the outer cone 521, and the conicity of the inner cone 522 is different from that of the outer cone 521; in this embodiment, the rotation speed of the inner cone 522 is about 22r/min, and the inclination angle of the inner cone is 6 °; the outer surface of the inner cone 522 and the inner surface of the outer cone 521 form a peeling cavity with different gap sizes, and a plurality of bosses are arranged on the outer surface of the inner cone 522 and the inner surface of the outer cone 521. The boss can increase the friction force between the walnut and the outer cone 521 and the inner cone 522, and the shell breaking efficiency of the walnut is improved.

The rotary cone hull breaking mechanism 52 further includes a transmission member and a spacing adjustment member; the transmission part includes a first driving motor 523 and a rotation shaft 524; the first driving motor 523 is fixedly arranged on the motor mounting plate 525, and an output shaft of the first driving motor 523 is fixedly connected with the rotating shaft 524; the rotation shaft 524 is coaxially and fixedly arranged at the center of the inner cone 522; the left and right sides of the motor mounting plate 525 are respectively provided with a guide block 526, and the guide blocks 526 can move up and down along the guide grooves on the guide plates 527; the guide plate 527 is fixedly connected with the top of the frame 51.

The spacing adjustment member includes an adjustment screw 528, one end of the adjustment screw 528 passes downward through the motor mounting plate 525 and is fastened by a fastening nut; the other end of the adjusting screw 528 penetrates through the top of the frame 51 upwards and is in threaded connection with a connecting plate 529 fixedly arranged on the top of the frame 51; the exposed end of the adjusting screw 528 is provided with a clamping portion for facilitating clamping of a wrench. The cross section of the clamping part is in the shape of a right four sides, a right six sides and the like, so that the clamping part can be conveniently clamped and rotated by tools such as a spanner and the like.

Specifically, the adjusting screw 528 is rotated, the inner cone 522 and the motor are driven to move upwards or downwards along the guide groove on the guide plate 527 simultaneously through the threaded connection of the adjusting screw 528 and the motor mounting plate 525, so that the adjustment of the gap between the inner cone 522 and the outer cone 521 is realized, and the extrusion and the shell breaking of the walnut with different grades are satisfied.

The rotary cone barrel shell breaking mechanism 52 can also improve the shell removing effect when the water content of the walnut is 8% -10%; the shell breaking rate of the rotary cone shell breaking mechanism 52 is more than 86%, and the kernel breaking rate is 5% -7%.

The shell breaking and sorting integrated machine 5 is also provided with three discharge holes for kernel, shell and crushed kernel, and the kernel, the shell and the crushed kernel are respectively sent to the three discharge holes by a fan through the walnut shell broken by the shell removing cavity for coarse separation of the kernel and the shell; the wind power of the fan is adjustable. The separation rate of the walnut shells and the kernel can be effectively improved by adjusting the wind power.

The shell breaking and sorting device also comprises a shell kernel temporary storage box 6, wherein 9 shell kernel temporary storage boxes 6 are respectively corresponding to the discharge holes of the 3 shell breaking and sorting integrated machines 5; wherein, the kernel and the shell stored in the shell kernel temporary storage box 6 corresponding to the kernel and shell discharging hole of the shell breaking and sorting device are supplied to the following secondary separation device through the material conveying device, and the crushed kernel in the shell kernel temporary storage box 6 corresponding to the kernel discharging hole of the shell breaking and sorting device can be sent to squeeze oil because the kernel and the shell are not easy to separate. In this embodiment, the frame 51 of the integrated machine 5 is made of stainless steel, and the temporary storage box 6 for the shell and kernel is made of stainless steel.

An automatic discharging device is arranged in each shell and kernel temporary storage box 6; the automatic discharging device can automatically control the opening size of the material door. The automatic discharging device is an automatic horizontal sliding door, an automatic lifting door and the like. In this embodiment, the automatic discharging device is an electric push rod 31.

The induced draft type kernel-shell separation device comprises a vibrating separation sieve 7, a cyclone discharger 8 and a centrifugal induced draft fan 9; in the embodiment, 2 vibrating separation screens 7 are arranged for vibrating and secondarily screening the roughly separated kernel shells; the screen surface of the vibrating screen 7 is arranged at an included angle of 45 degrees with the horizontal surface, so that the walnut kernels can flow down along the screen surface under the action of a vibrating motor and gravity; each vibrating screen 7 is provided with 2 vibrating motors for driving the screen surface to vibrate; in the embodiment, the amplitude of the vibration motor is 6 mm-10 mm, and the power is 0.22kw; the woven screen mesh of the separating screen is a 60 mesh/inch stainless steel mesh, and the skeleton screen is a 3-4 mesh/inch stainless steel mesh.

As shown in fig. 6, an air outlet pipe 10 is vertically arranged above the screen surface of the vibration separation screen 7, and the feeding end of the air outlet pipe 10 is bent and then is arranged perpendicular to the screen surface of the vibration separation screen 7 for sucking walnut shells; a butterfly valve 14 is arranged on the feed end of the air outlet pipe 10 and is used for adjusting the air quantity; the discharge end of the air outlet pipe 10 is connected with a cyclone discharger 8.

The cyclone discharger 8 and the centrifugal induced draft fan 9 are used for sucking the walnut shells separated by vibration through the air outlet pipe 10, and delivering the walnut shells to the cyclone discharger 8 for discharge; the cyclone discharger 8 is matched with a related air blower for continuously discharging the walnut shells; an air door adjusting device is arranged at the air inlet of the centrifugal induced draft fan 9 and used for adjusting the air quantity. Through the sieve surface that 45 was set up, guarantee that benevolence, shell flow downwards along the sieve surface is automatic, vibrating motor's exciting force makes benevolence, shell evenly distributed on the sieve surface, is favorable to out tuber pipe 10 efficient with the shell suction, the walnut kernel is collected down the sieve surface under vibrating motor and the effect of gravity, has improved the benevolence rate of walnut greatly.

The shell content in the kernel separated by the air suction type kernel-shell separation device is less than 3 percent, and the kernel content in the shell is less than 4 percent.

The material conveying device comprises a Z-shaped bucket elevator 1 and a horizontal belt conveyor 4; in the embodiment, 3Z-shaped bucket elevators 1 are arranged and respectively provide materials for a walnut classifier 2, a shell breaking and sorting integrated machine 5 and a vibration separation sieve 7; the motor speed reducer frequency converter provides power.

The Z-shaped bucket elevator 1 can be set into single-point feeding and single-point discharging, multi-point feeding and multi-point discharging and the like according to the requirements of working procedures. In this embodiment, the Z-type bucket elevator 1 includes a first elevator 11, a second elevator 12, and a third elevator 13; the first lifting machine 11 is a single-point feeding and single-point discharging lifting machine and is used for providing materials for the walnut classifier 2; the second lifting machine 12 is a lifting machine with single-point feeding and three-point discharging, and provides materials for 3 shell-breaking and sorting integrated machines 5; the third elevator 13 is an elevator with nine feeding points and two discharging points, and provides materials for 2 vibrating separating screens 7. The machine body and the rotating bucket of the Z-shaped bucket elevator 1 are made of stainless steel.

The horizontal belt conveyor 4 is used for conveying the classified walnuts to a feed inlet of the Z-shaped bucket elevator 1 for single-point feeding and three-point discharging; baffles are arranged on two sides of the horizontal belt conveyor 4 to prevent walnut from scattering; the horizontal belt conveyor 4 is powered by a motor speed reducer frequency converter. The frequency converter can control the conveying speed of materials and adapt to the subsequent processing requirements.

The control device comprises an electric control cabinet (not shown) and a computer board control, and is used for controlling the automatic operation of the equipment; the computer board control is PLC Siemens computer board control and is used for automatic adjustment and control of equipment.

In this embodiment, the process method based on the walnut shell breaking and kernel shell separating device includes classification, shell breaking and kernel shell coarse separation and kernel shell secondary separation, wherein the classification includes the following steps:

1) Firstly, rolling, screening and classifying walnuts through a roller 21 arranged on a walnut classifier 2 and sieve holes 211 which are arranged on the roller 21 and are matched with the grades of the walnuts;

2) Storing the classified walnuts in corresponding shell and fruit temporary storage boxes 3;

3) Then, according to the requirements, the materials in the shell and fruit temporary storage box 3 are sent to a shell breaking and kernel and shell rough separation procedure by an automatic discharging device;

the shell breaking and kernel shell coarse separation comprises the following steps:

1) Firstly, the walnut after being classified is broken by a rotary cone barrel shell breaking mechanism 52 in the shell breaking and sorting integrated machine 5;

2) Then, blowing by a fan according to different weights of the shell, the kernel and the crushed kernel to carry out coarse separation;

3) Then discharging the roughly separated shells, kernels and crushed kernels into a shell kernel temporary storage box 6 through three discharge holes of the shell, kernel and crushed kernels in a shell breaking and sorting integrated machine 5;

4) Finally, according to the requirements, the kernels or the shells in the kernel-shell temporary storage box are sent to a kernel-shell secondary separation process through an automatic discharging device;

the secondary separation of the kernel and the shell comprises the following steps:

1) Firstly, uniformly distributing the kernel shell mixed materials on the screen surface of a vibrating separation screen 7 through the vibration of the vibrating separation screen 7;

2) The lighter material shells are blown up by wind power through a screen mesh and sucked away through the air outlet pipe 10; the material kernel flows down along the screen surface under the action of the vibrating motor and gravity, so as to realize secondary separation of kernel and shell.

According to the invention, the walnut grader 2 is used for grading the walnuts with different sizes, so that the phenomenon that the shell breaking effect is uneven due to random extrusion of the walnuts with different sizes in the shell stripping cavity is avoided; the rotary cone shell breaking mechanism 52 can adjust the shell breaking gap according to different walnut grades, so that the extrusion shell breaking of the walnut is more sufficient and efficient; the secondary separation of the air suction type kernel-shell separation device improves the kernel yield and the shell yield of the walnut; the automation and the intellectualization of the equipment are realized through the control of the PLC computer board. The device has reasonable layout, simple structure and easy operation, and can meet the high-efficiency separation of large-batch walnut kernels and shells; the automatic and intelligent operation also greatly saves labor force and improves labor efficiency.

Example 2

Referring to fig. 8 and 9, this embodiment discloses a walnut processing production line with the above walnut shell breaking and kernel shell separating device, further including: an oil extraction device;

the oil extraction apparatus includes: sterilization and heating integrated device 300 and oil press 100;

the sterilization and heating integrated device 300 includes: the ultraviolet sterilizing lamp 320 includes a case 310, a conveying mechanism 340, an ultraviolet sterilizing lamp 320, and a heating module 330;

the front and back of the box 310 are respectively provided with a feed window and a discharge window;

the conveying mechanism 340 penetrates through the feeding window and the discharging window of the box 310, and is used for being connected with the feeding port of the oil press 100, and conveying the sterilized and preheated crushed kernels into the oil press 100.

In this embodiment, one end of the conveying mechanism 340 is connected to the walnut shell breaking and kernel shell separating device in embodiment 1, and is used for receiving broken kernels separated by the walnut shell breaking and kernel shell separating device; the other end of the conveying mechanism 340 is connected with a feed inlet of the oil press 100, and is used for conveying the sterilized and preheated crushed kernels into the oil press 100.

The ultraviolet sterilizing lamp 320 and the heating module 330 are disposed in the box 310, and are respectively used for performing ultraviolet sterilization treatment and preheating treatment on the crushed kernels on the conveying mechanism 340;

the oil press 100 is used for pressing oil from crushed kernels.

Further, the conveying mechanism 340 includes: a conveying motor (not shown), an active conveying roller 341, a passive conveying roller 343, and a conveying belt 342 made of gauze material;

the conveyor belt 342 is wound around the active conveyor roller 341 and the passive conveyor roller 343;

the power output shaft of the conveying motor is connected with the driving conveying roller 341 and is used for driving the conveying belt 342 to circularly move.

The conveyor belt 342 is made of gauze (preferably coarse gauze, more preferably coarse gauze) and other materials, and the gauze has the advantages of ventilation, small pores and the like, does not cause leakage of crushed kernels in the conveying process, can facilitate the passing of ultraviolet light, water vapor and heat radiation, and improves the sterilization and preheating effects on the crushed kernels.

More preferably, as shown in fig. 10, the conveyor belt 342 is provided with reinforcing ribs 344 made of abrasion resistant fibers at intervals in the conveying direction on the side contacting the active conveying roller 341 and the passive conveying roller 343. Preferably, the wear-resistant fiber is a textile fiber such as nylon, polypropylene, vinylon, polyethylene, terylene or acrylon.

In this embodiment, the sterilization sections 311 are respectively disposed in the case 310; a plurality of ultraviolet sterilizing lamps 320 are arranged at intervals above the conveyor belt 342 in the sterilizing section 311. The ultraviolet sterilizing lamp 320 is preferably an ultraviolet lamp. And a plurality of ultraviolet sterilizing lamps 320 are arranged at intervals below the conveying path of the conveying belt 342 in the sterilizing section 311 for irradiating the conveyed crushed kernels from bottom to top.

In the present embodiment, the heating module 330 is a heating tube; the heating sections 312 are respectively arranged in the box body 310; a plurality of heating lamps are spaced above the conveyor belt 342 within the heating section 312. Further, a plurality of heating lamps are arranged at intervals below the conveying path of the conveying belt 342 in the heating section 312 for irradiating the conveyed crushed kernels from bottom to top.

The production line is added with comprehensive utilization equipment of crushed kernels, namely 5% -7% of crushed kernels are directly conveyed to the oil press 100 for oil pressing treatment after sterilization and preheating treatment through the conveying mechanism 340, so that the production efficiency and the utilization rate of walnut kernels are improved; because links such as intermediate storage are not needed, the possibility of mildew and deterioration in the walnut kernel storage process is avoided, and the storage cost is greatly saved.

The relatively complete walnut kernels can be rolled out for other uses, or can be separated, crushed by grinding or crushing equipment, sterilized and preheated by the conveying mechanism 340 and then conveyed to the oil press 100 for oil extraction.

Example 3

Referring to fig. 8, 11 and 12, the present embodiment provides an oil press apparatus, which further includes an oil press 100, where the oil press 100 includes: a vertical stirring cylinder 110, a stirring member 120, and a second driving motor 101; the vertical stirring cylinder 110 is a long cylinder body which is vertically arranged; a partition assembly 130 is arranged in the vertical stirring cylinder 110; the dividing assembly 130 divides the inner cavity of the vertical stirring cylinder 110 into an upper chamber 111 and a lower chamber 112; the stirring member 120 includes: a main shaft 121 and a helical blade; the outer diameter of the spiral blade is matched with the inner wall diameter of the vertical stirring cylinder 110 (the outer diameter of the spiral blade is equal to or slightly smaller than the inner diameter of the cylinder); the main shaft 121 is provided to penetrate the upper and lower chambers 111 and 112 up and down, and the helical blade includes an upper stirring portion 122 provided in the upper chamber 111 and a lower stirring portion 123 provided in the lower chamber 112.

Referring to fig. 13 and 14, the dividing assembly 130 includes a first grinding plate 131 and a second grinding plate 132 stacked one on top of the other and closely attached; the first grinding plate 131 and the second grinding plate 132 are respectively provided with a first grinding hole 133 and a second grinding hole 134; one of the first polishing plate 131 and the second polishing plate 132 can be rotatably disposed relative to each other, so as to change the contact ratio between the first polishing hole 133 and the second polishing hole 134, thereby changing the size of the via hole (i.e., the size of the contact area between the first polishing hole 133 and the second polishing hole 134 in the horizontal projection plane) and opening/closing of the dividing assembly 130 as a whole.

The second driving motor 101 is connected with the main shaft 121 and is used for driving the upper stirring part 122 and the lower stirring part 123 to rotate forward or reversely; in the state that the through holes on the partition assembly 130 are opened, the main shaft 121 rotates forward, the upper stirring part 122 forces the material of the upper chamber 111 to pass through the through holes of the partition assembly 130 from top to bottom, the main shaft 121 rotates reversely, and the lower stirring part 123 forces the material of the lower chamber 112 to pass through the through holes of the partition assembly 130 from bottom to top, so that repeated grinding of the material is realized.

When the first grinding hole 133 and the second grinding hole 134 are completely staggered, the via hole on the dividing assembly 130 as a whole is in a closed state, the dividing assembly 130 completely divides the upper chamber 111 and the lower chamber 112, the bottom of the upper chamber 111 forms a sealing structure, and the upper chamber 111 can be used for soaking the oil materials such as walnut kernels, so that the oil materials such as walnut kernels fully absorb water.

Further, a filtering chamber 113 is provided inside the vertical stirring cylinder 110 and below the lower chamber 112; a first filter plate 141 is arranged between the lower chamber 112 and the filtering chamber 113; the first filter plate 141 is provided with first filter holes 143; the oil-water mixture flowing down from the upper chamber 111 and the lower chamber 112 flows into the filtering chamber 113 through the first filter plate 141.

Further, the main shaft 121 is disposed through the filtering chamber 113, and the stirring member 120 further includes a plurality of stirring members 124 (e.g. stirring blades or stirring rods) disposed on the main shaft 121 and in the filtering chamber 113, where the stirring members 124 are driven by the second driving motor 101 and the main shaft 121 to rotate, so as to force oil-water molecules in the filtering chamber 113 to separate.

Further, a heating unit 150 is provided at the bottom of the inside of the filtering chamber 113 for heating the oil-water mixture in the filtering chamber 113.

After oil-water mixed liquid in the filtering chamber 113 is separated by oil-water molecules, the oil molecules float upwards to form an upper walnut oil layer, and the water molecules sink to form a lower clear water layer. The heating function of the heating unit 150 can increase the oil-water separation speed, and the heated clean water can be recycled to the upper chamber 111 and/or the lower chamber 112 to continue the water substitution reaction.

The present embodiment further includes a pump body 151; the upper water inlet 114 is provided at the upper middle portion of the sidewall of the upper chamber 111; the bottom of the filtering chamber 113 is provided with a water outlet, the water outlet is connected with the upper water inlet 114 through a water supply pipeline 152, and a pump body 151 is arranged on the water supply pipeline 152 for forcing hot water (heated clear water) from the filtering chamber 113 to be sprayed into the upper chamber 111 from the upper water inlet 114 so as to wet (or soak) the material and heat the material.

In the existing water generation equipment, an additional heating component is required to heat the stirring container, so that the ambient temperature of the water generation process is maintained. According to the application, hot water can be supplied to materials such as the kernel of the upper chamber 111 and the kernel of the lower chamber 112 in a circulating mode, and the environment temperature in the water substitution process can be well maintained through the hot water, so that the heating mode is more direct and uniform; meanwhile, in the existing water substitution process, the content of oil molecules in water solution used for water substitution is high, so that further exudation of the oil molecules in materials such as walnut kernels is prevented; in the application, as the circulating mode is adopted for water substitution treatment, the oil-water mixed liquid in the upper chamber 111 flows into the lower chamber 112 through the through holes on the partition assembly 130, the oil-water mixed liquid in the lower chamber 112 flows into the filtering chamber 113 through the first filtering holes 143 on the first filtering plate 141, and the clear water after oil-water separation is heated and then returns to the upper chamber 111 and the lower chamber 112, so that the oil molecular content in the water liquid for water substitution is lower as a whole, and the rapid exudation of oil molecules in materials such as walnut kernels is facilitated.

Optionally, a drain 118 is provided at the bottom of the upper chamber 111, the drain 118 being in communication with the filter out chamber 113 via a return water line. The water in the upper chamber 111 may be returned to the filter chamber 113 through the drain port 118 and the return water line with the vias in the partition assembly 130 closed.

Preferably, the through holes on the partition assembly 130 are in a closed state, the upper stirring part 122 rotates positively to force the materials in the upper chamber 111 to be conveyed downwards, and the upper stirring part 122 and the partition assembly 130 are matched with each other to squeeze the materials, so that oil in the materials is accelerated to seep out.

Similarly, when the through holes on the partition assembly 130 are in a closed state, the lower stirring part 123 reversely rotates to force the materials in the lower chamber 112 to be conveyed upwards, and the lower stirring part 123 and the partition assembly 130 are matched with each other to squeeze the materials in the lower chamber 112, so that oil in the materials is accelerated to seep out.

In this embodiment, the plurality of upper water inlet holes 114 are uniformly arranged in the circumferential direction of the upper chamber 111. The hot water sprayed from the upper inlet hole 114 can be uniformly sprayed onto the material on the upper stirring part 122. Further preferably, a first interlayer 116 is arranged at the outer side of the middle upper part of the side wall of the upper chamber 111, and two ends of the upper water inlet 114 are communicated with the first interlayer 116 and the upper chamber 111; the water supply line 152 communicates with the first interlayer 116, and supplies water into the upper chamber 111 through the first interlayer 116 and the upper water inlet hole 114 in sequence.

The embodiment may further include a second filter plate 142, where a second filter hole 144 is disposed on the second filter plate 142; the first filter plate 141 and the second filter plate 142 are stacked one above the other and closely adhered to form a filter assembly 140; one of the first filter plate 141 and the second filter plate 142 can be relatively rotatably arranged, so that the contact ratio of the first filter hole 143 and the second filter hole 144 is changed, and the size of the filter hole (namely, the size of the contact area of the first filter hole 143 and the second filter hole 144 on a horizontal projection plane) and the opening and closing of the filter assembly 140 are changed.

Preferably, when the filter assembly 140 is closed, the main shaft 121 rotates forward, and the lower stirring part 123 and the filter assembly 140 cooperate to press the material in the lower chamber 112, thereby accelerating the exudation of oil molecules in the material. The materials in the upper chamber 111 and the lower chamber 112 can be extruded or ground at the same time, so that the oil squeezing effect is quickened.

Further, a lower water inlet hole 115 is provided at the upper middle portion of the sidewall of the lower chamber 112, the lower water inlet hole 115 is connected to a water supply line 152 through a water supply branch 153, and the pump body 151 can spray hot water into the lower chamber 112 through the water supply branch 153 and the lower water inlet hole 115.

Further, a second interlayer 117 is arranged at the outer side of the middle upper part of the side wall of the lower chamber 112, and two ends of the lower water inlet hole 115 are communicated with the second interlayer 117 and the lower chamber 112; the water supply branch 153 communicates with the second interlayer 117, and sequentially supplies water into the lower chamber 112 through the second interlayer 117 and the lower water inlet hole 115.

Further, a drain port 119 is provided at the bottom of the second interlayer 117, and the drain port 119 communicates with the filtering chamber 113 through a pipe.

In the state that the through holes on the partition assembly 130 are closed, the lower stirring part 123 reversely rotates to force the materials in the lower chamber 112 to be conveyed upwards, the lower stirring part 123 and the partition assembly 130 are matched with each other to squeeze the materials in the lower chamber 112, and part of oil-water mixed liquid seeped from the materials flows into the second interlayer 117 through the lower water inlet hole 115 and then flows back into the filtering chamber 113 through the liquid outlet 119 at the bottom of the second interlayer 117.

Preferably, the pipeline or the branch is provided with a control valve for controlling the on-off of the pipeline or the branch.

The present application may further include an upper actuator for driving the first grinding plate 131 or the second grinding plate 132 to rotate. In a simpler embodiment, the upper actuator may employ a manual rotation knob 135. One end of the rotating handle 135 is connected with the first grinding plate 131 or the second grinding plate 132, and the other end extends out from a gap (a movable sealing structure is arranged on the gap) on the side wall of the vertical stirring cylinder 110, and the rotating handle 135 can be moved to drive the first grinding plate 131 or the second grinding plate 132 to rotate, so that the size of the through hole on the partition assembly 130 is adjusted. Of course, the steering engine and other electric modes can be adopted for driving, so that automatic control is convenient to realize.

Similarly, the present embodiment further includes a lower actuator for driving the first filter plate 141 or the second filter plate 142 to rotate. The first filter plate 141 or the second filter plate 142 is rotatably disposed in the vertical stirring drum 110, and the lower actuator rotates one of them.

Further, an oil outlet 145 is provided at the middle part of the side wall of the filtering chamber 113, and the oil in the upper oil layer in the filtering chamber 113 flows out through the oil outlet 145.

Preferably, the vertical type stirring cylinder 110 is provided with an oil tank 146 for receiving oil flowing out from the oil outlet 145.

And a feed inlet is arranged above the side wall of the vertical stirring cylinder 110; the second driving motor 101 is disposed at the top of the vertical type stirring cylinder 110.

During production, the oil outlet speed and the oil outlet rate of the walnut kernels are greatly influenced by the broken wall degree of the ground walnut kernels, the stirring equipment in the existing water substitution method can only realize the stirring function, and when the broken wall of the walnut kernels and other oil materials is insufficient, the oil outlet efficiency is low, or the walnut kernels and other oil materials have to be stirred for a long time to finish production.

The application integrates the two working procedures of stirring and grinding together, thereby realizing that a plurality of working procedures of soaking, stirring and grinding are alternately and repeatedly carried out in the same equipment; and the size of the through holes of the partition assembly 130 is adjustable, so that multiple grinding in a large-to-small progressive mode can be realized, and the adverse problems that materials are overheated, even are thoroughly cooked, burnt and the like in the existing grinding process are solved; the alternation and repetition of the soaking, stirring and grinding processes can realize the microscopic morphological changes of swelling of the oil materials such as walnut kernels, absorbing moisture, replacing the oil materials, compressing the oil materials and extruding the replaced oil materials, and the like, and are similar to the repeated actions of breathing and sucking, thereby accelerating the replacement speed of the oil materials and improving the oil yield.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.

Claims (10)

1. Walnut processing production line, its characterized in that includes: walnut shell breaking and kernel shell separating equipment and oil pressing equipment;

the walnut shell breaking and kernel shell separating device comprises a material classifying device, a shell breaking and separating device and a kernel shell separating device;

the material classifying device is used for classifying materials according to grades;

the shell breaking and sorting device comprises a shell breaking and sorting integrated machine with adjustable shell breaking gaps, and is used for breaking shells of materials with different grades and roughly sorting the materials;

the kernel-shell separation device is used for carrying out kernel-shell secondary separation and collection on the roughly separated materials;

the oil pressing device comprises an oil press, wherein the oil press is used for performing oil pressing treatment on crushed kernels; the oil press includes: the stirring device comprises a vertical stirring cylinder, a stirring part and a second driving motor;

The vertical stirring cylinder is a long cylinder body which is vertically arranged;

a dividing component is arranged in the vertical stirring barrel;

the dividing assembly divides the inner cavity of the vertical stirring cylinder into an upper cavity and a lower cavity;

the stirring member includes: a main shaft and a helical blade; the outer diameter of the helical blade is matched with the diameter of the inner wall of the vertical stirring cylinder; the main shaft vertically penetrates through the upper cavity and the lower cavity, and the spiral blade comprises an upper stirring part arranged in the upper cavity and a lower stirring part arranged in the lower cavity;

the dividing assembly comprises a first grinding plate and a second grinding plate which are overlapped up and down and are closely attached; the plate bodies of the first grinding plate and the second grinding plate are respectively provided with a first grinding hole and a second grinding hole; one of the first grinding plate and the second grinding plate can be arranged in a relative rotation way, so that the contact ratio of the first grinding hole and the second grinding hole is changed, and the size and opening and closing of the through holes on the integral dividing assembly are further changed;

the second driving motor is connected with the main shaft and is used for driving the upper stirring part and the lower stirring part to rotate forwards or reversely; under the via hole on the partition assembly open state, the main shaft rotates positively, the upper stirring part forces the material of the upper chamber to pass through the via hole of the partition assembly from top to bottom, the main shaft rotates reversely, and the lower stirring part forces the material of the lower chamber to pass through the via hole of the partition assembly from bottom to top, so that the repeated grinding of the material is realized.

2. The walnut processing line of claim 1, wherein the material classification device comprises a walnut classifier and a shell and fruit temporary storage box;

the walnut is divided into a plurality of grades according to the size, and each grade corresponds to a set specification and size; the walnut classifier is provided with rollers corresponding to different specification sizes, and the circumferential surface of the rollers is provided with sieve holes matched with the specification sizes of the walnut of corresponding grades;

the walnut classifier is powered by a motor speed reducer.

3. The walnut processing production line according to claim 1, wherein the shell breaking and sorting integrated machines are provided with a plurality of shell breaking and sorting integrated machines, each shell breaking and sorting integrated machine comprises a frame and a rotary cone shell breaking mechanism, and the rotary cone shell breaking mechanism is used for extruding and breaking shells of walnuts;

the rotary cone barrel shell breaking mechanism is arranged in the frame and comprises an inner cone and an outer cone;

the outer cone barrel is fixedly arranged on the frame;

the inner cone body is coaxially and rotatably arranged in the outer cone barrel, and the conicity of the inner cone body is different from that of the outer cone barrel;

the outer surface of the inner cone and the inner surface of the outer cone barrel form a peeling cavity with different gap sizes, and a plurality of bosses are arranged on the outer surface of the inner cone and the inner surface of the outer cone barrel.

4. A walnut processing line according to claim 3, wherein the rotary cone hull breaking mechanism further comprises a transmission member and a spacing adjustment member;

the transmission part comprises a first driving motor and a rotating shaft; the first driving motor is fixedly arranged on the motor mounting plate, and an output shaft of the first driving motor is fixedly connected with the rotating shaft;

the rotating shaft is coaxially and fixedly arranged at the center of the inner cone;

the left side and the right side of the motor mounting plate are respectively provided with a guide block, and the guide blocks can move up and down along the guide grooves on the guide plates;

the guide plate is fixedly connected with the top of the frame.

5. The walnut processing line of claim 4, wherein the spacing adjustment member comprises an adjustment screw having one end passing downwardly through the motor mounting plate and secured by a securing nut;

the other end of the adjusting screw rod penetrates through the top of the frame upwards and is in threaded connection with a connecting plate fixedly arranged on the top of the frame;

the exposed end of the adjusting screw is provided with a clamping part which is convenient for clamping a spanner.

6. The walnut processing production line according to claim 3, wherein the shell breaking and sorting integrated machine is further provided with three discharge ports of kernel, shell and crushed kernel; the walnut shell broken by the shell removing cavity is respectively sent to three discharge holes by a fan to carry out coarse separation of kernel and shell; the wind power of the fan is adjustable.

7. The walnut processing line of claim 1, wherein the kernel-shell separation device comprises a vibrating separation screen, a cyclone discharger and a centrifugal induced draft fan;

the vibration separation sieve is provided with a plurality of vibrating and secondary sieving are used for vibrating and secondarily sieving the roughly separated kernels and shells; the screen surface of the vibrating screen is obliquely arranged at a set included angle with the horizontal surface, so that the walnut kernels can flow down along the screen surface under the action of a vibrating motor and gravity; each vibration separation screen is provided with 2 vibration motors for driving the screen surface to vibrate;

an air outlet pipe is vertically arranged above the screen surface of the vibration separation screen, and a feeding end of the air outlet pipe is bent and then is arranged perpendicular to the screen surface of the vibration separation screen for sucking walnut shells; a butterfly valve is arranged at the feeding end of the air outlet pipe and used for adjusting the air quantity; the discharge end of the air outlet pipe is connected with the cyclone discharger.

8. The walnut processing line according to claim 7, wherein the cyclone discharger and the centrifugal induced draft fan are used for sucking and delivering the vibration-separated walnut shells to the cyclone discharger through the air outlet pipe and discharging the walnut shells;

the cyclone discharger is matched with a related air blower and is used for continuously discharging walnut shells; the air inlet of the centrifugal induced draft fan is provided with an air door adjusting device for adjusting the air quantity;

The device also comprises a material conveying device, wherein the material conveying device comprises a Z-shaped bucket elevator and a horizontal belt conveyor;

the Z-shaped bucket elevator is provided with a plurality of pieces which respectively provide materials for the walnut classifier, the shell breaking and sorting device and the kernel-shell separating device; the motor speed reducer frequency converter provides power.

9. The walnut processing line of claim 1, wherein,

the oil extraction apparatus further comprises: an integrated sterilization and heating device;

the sterilization and heating integrated device comprises: the device comprises a box body, a conveying mechanism, an ultraviolet sterilizing lamp and a heating module;

a feeding window and a discharging window are respectively arranged at the front and the back of the box body;

the conveying mechanism penetrates through the feeding window and the discharging window of the box body, and one end of the conveying mechanism is connected with the walnut shell breaking and kernel shell separating device and is used for receiving broken kernels separated by the walnut shell breaking and kernel shell separating device; the other end of the conveying mechanism is connected with a feed inlet of the oil press and is used for conveying sterilized and preheated crushed kernels into the oil press;

the ultraviolet sterilizing lamp and the heating module are arranged in the box body and are respectively used for carrying out ultraviolet sterilizing treatment and preheating treatment on crushed kernels on the conveying mechanism.

10. The walnut processing line of claim 9, wherein the conveying mechanism comprises: the device comprises a conveying motor, an active conveying roller, a passive conveying roller and a conveying belt made of gauze materials;

the conveying belt is wound on the driving conveying roller and the driven conveying roller;

and a power output shaft of the conveying motor is connected with the driving conveying roller and is used for driving the conveying belt to circularly move.