CN116371733B - A kind of walnut shell breaking and kernel shell separation 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

A kind of walnut shell breaking and kernel shell separation equipment and processing production line

Technical field

The invention relates to the field of dry separation technology, and in particular to a walnut shell breaking and kernel shell separation equipment and processing production line suitable for thin-skinned walnuts such as Yunnan specialty soaked walnuts.

Background technique

China is the world's largest country in terms of walnut planting area and output. The demand for highly processed walnut products with high nutritional value and economic added value is increasing day by day. Therefore, walnuts have broad prospects for comprehensive development and utilization. Walnut grading, shell breaking and shell kernel separation are the three most critical links in the initial processing, and they are also necessary pre-processes for the deep processing of walnuts. Among them, soaked walnuts are a specialty of Yunnan, with a kernel yield of about 55.7%, high yield, and good quality. They are suitable for planting in areas with higher altitudes, but the shell thickness is about 1 mm. At present, traditional manual work methods and simple walnut primary processing devices are mostly used to separate the shells and kernels, which are high-cost and low-efficiency. They cannot meet the food industry's high-quality and batch requirements for walnuts, seriously restricting the development of the walnut industry. Therefore, research and development of walnut grading, shell breaking and kernel separation equipment to increase the added value of walnuts and reduce labor costs have become urgent problems for the current walnut industry.

Contents of the invention

The object of the present invention is to provide a walnut shell breaking and kernel shell separation equipment and a processing production line to solve at least one of the above technical problems existing in the prior art.

In order to solve the above technical problems, the invention provides a walnut shell breaking and kernel shell separation equipment, including: a material classification device, a shell breaking and sorting device, and a kernel shell separation device;

The material classification device is used to classify materials according to grade;

The shell breaking and sorting device includes an all-in-one shell breaking and sorting machine with an adjustable shell breaking gap, which is used to break and roughly classify materials of different grades;

The kernel shell separation device is used for secondary separation and collection of kernel shells of coarsely divided materials.

Further, the material classification device includes a walnut classifier and a shell nut temporary storage box;

Walnuts are divided into multiple grades according to size, and each grade corresponds to a set size; the walnut grader is equipped with rollers corresponding to different sizes, and the circumferential surface of the roller is provided with a size that matches the size of the corresponding grade of walnuts. sieve hole;

The walnut grader is powered by a motor reducer.

Further, there are several temporary shell nut storage boxes located below the discharge port of the walnut grader, for corresponding storage of graded walnuts.

Through the walnut grader, the walnuts are divided into 5 grades according to their size and stored in the shelling temporary storage box accordingly, which avoids the irregular squeezing of walnuts of different sizes in the shelling cavity, resulting in uneven shell breaking effects. , which provides the basis for fixing the shell-breaking gap and improving production efficiency in subsequent processes.

Preferably, the shell nut temporary storage box is equipped with an automatic discharging device; the automatic discharging device can automatically control the opening size of the material door.

The automatic discharging device is an electric push rod, automatic horizontal sliding door, automatic lifting door, etc.

Further, there are several integrated shell breaking and sorting machines. Each of the integrated shell breaking and sorting machines includes a frame and a rotating cone barrel shell breaking mechanism. The rotating cone barrel shell breaking mechanism is used to crush walnuts. squeeze to break the shell;

The rotating cone barrel shell breaking mechanism is arranged inside the frame and includes an inner cone and an outer cone barrel;

The outer cone barrel is fixedly installed on the frame;

The inner cone is coaxially and rotatably disposed in the outer cone barrel, and the inner cone and the outer cone barrel have different tapers;

A shelling cavity with different gap sizes is formed between the outer surface of the inner cone and the inner surface of the outer cone barrel, and a number of bosses are provided on both the outer surface of the inner cone and the inner surface of the outer cone barrel.

The boss can increase the friction between the walnuts and the outer cone barrel and the inner cone body, thereby improving the shell breaking efficiency of the walnuts.

Further, the rotating cone barrel shell breaking mechanism also includes a transmission component and a spacing adjustment component;

The transmission component includes a first drive motor and a rotating shaft; the first drive motor is fixedly mounted on the motor mounting plate, and the output shaft of the first drive motor is fixedly connected to the rotating shaft;

The rotation axis is coaxial and fixedly located at the center of the inner vertebral body;

A guide block is provided on each left and right side of the motor mounting plate, and the guide block can move up and down along the guide groove on the guide plate;

The guide plate is fixedly connected to the top of the frame.

Preferably, the distance adjustment component includes an adjustment screw, and one end of the adjustment screw passes downward through the motor mounting plate and is tightened by a fastening nut;

The other end of the adjusting screw passes upward through the top of the frame and is threadedly connected to a connecting plate fixed on the top of the frame;

The exposed end of the adjusting screw is provided with a clamping portion that is convenient for clamping by a wrench.

The cross-section of the clamping part is a regular tetrahedron, a regular hexagonal shape, etc., which is convenient for clamping and rotating with a wrench and other tools.

Specifically, the adjusting screw is rotated, and the threaded connection between the adjusting screw and the motor mounting plate drives the inner cone and the motor to move upward or downward along the guide groove on the guide plate at the same time, thereby realizing the adjustment of the gap between the inner cone and the outer cone barrel. Adjust to meet the extrusion and shell breaking of walnuts of different grades.

Furthermore, the rotating cone barrel shell breaking mechanism can also improve the shelling effect when the moisture content of walnuts is 8% to 10%; the shell breaking rate of the rotating cone barrel shell breaking mechanism is >86%, and the kernel breaking rate is It is 5%~7%.

Furthermore, the all-in-one shell breaking and sorting machine is also provided with three discharge ports for kernels, shells, and crushed kernels. The walnuts broken through the shelling cavity are sent to the three outlets by a fan. The discharge port is used for coarse separation of kernels and shells; the wind power of the fan is adjustable.

By adjusting the wind force, the separation rate of coarse separation of walnut shells and kernels can be effectively improved.

Further, the shell-breaking and sorting device further includes a shell-kernel temporary storage box, and several shell-kernel temporary storage boxes are provided, respectively corresponding to the discharge ports of the shell-breaking and sorting all-in-one machine;

Among them, the kernels and shells stored in the kernel temporary storage box corresponding to the kernel and shell outlet of the shell breaking and sorting device are supplied to the subsequent secondary separation device through the material conveying device, and are connected to the broken kernel outlet of the shell breaking and sorting device. The chopped kernels in the corresponding shell kernel temporary storage box can be sent for oil extraction because the kernels and shells are not easy to separate.

Each shell kernel temporary storage box is provided with an automatic discharging device; the automatic discharging device can automatically control the opening size of the material door.

The automatic discharging device is an electric push rod, automatic horizontal sliding door, automatic lifting door, etc.

Preferably, the suction-type kernel shell separation device includes a vibrating separation screen, a cyclone discharger and a centrifugal induced draft fan;

The vibrating separation screen is provided with several stations for vibrating and secondary screening the coarsely divided kernel shells; the screen surface of the vibrating separation screen is tilted at a set angle with the horizontal plane to facilitate the vibration of the walnut kernels. It flows down the screen surface under the action of motor and gravity; each vibrating separation screen is equipped with 2 vibration motors to drive the screen surface to vibrate;

An air outlet pipe is arranged vertically above the screen surface of the vibrating separation screen. The feed end of the air outlet pipe is bent and arranged perpendicular to the screen surface of the vibrating separation screen for inhaling walnut shells; the air outlet pipe A butterfly valve is provided on the feed end for adjusting the air volume; the discharge end of the air outlet pipe is connected to the cyclone unloader.

Further, the cyclone unloader and the centrifugal induced draft fan are used to inhale the vibration-separated walnut shells through the air outlet pipe and send them to the cyclone unloader and discharge them;

The cyclone unloader is equipped with a related air device for continuously discharging walnut shells; the air inlet of the centrifugal induced draft fan is equipped with a damper adjustment device for adjusting the air volume.

The tilted screen surface ensures that the kernels and shells automatically flow downward along the screen surface. The excitation force of the vibration motor makes the kernels and shells evenly distributed on the screen surface, which is conducive to the air outlet pipe efficiently sucking out the shells. Walnut kernels Under the action of vibration motor and gravity, it flows down the screen surface for collection, which greatly improves the kernel yield of walnuts.

Preferably, the shell content rate in the kernels separated by the suction-type kernel shell separation device is <3%, and the kernel content rate in the shells is <4%.

Further, it also includes a material conveying device, which includes a Z-shaped bucket elevator and a horizontal belt conveyor;

The Z-type bucket elevator is provided with several units, which respectively provide materials for the walnut classifier, the shell-breaking sorting device and the suction-type kernel shell separation device; the motor reducer frequency converter provides power.

The Z-type bucket elevator can be set to single-point feeding and single-point discharging, multi-point feeding and multi-point discharging according to the needs of the process.

Further, the horizontal belt conveyor is used to deliver the graded walnuts to the feed port of the Z-shaped bucket elevator; baffles are provided on both sides of the horizontal belt conveyor to prevent the walnuts from scattering;

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

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

Further, it also includes a control device; the control device includes an electric control cabinet and a computer board control, used to control the automatic operation of the equipment;

The computer board control is a PLC Siemens computer board control, which is used for automatic adjustment and control of the equipment.

Adopting the above technical solution, the present invention has the following beneficial effects:

The present invention uses a walnut grader to grade walnuts of different sizes, thereby avoiding the irregular extrusion of walnuts of different sizes in the shelling cavity, resulting in uneven shell-breaking effects; the rotating cone barrel shell-breaking mechanism can be used according to the walnut grade. to adjust the shell-breaking gap to make the extrusion and shell-breaking of walnuts more complete and efficient; through the secondary separation of the suction-type kernel and shell separation device, the kernel and shell rate of walnuts are improved; controlled by PLC computer board The automation and intelligence of the equipment are realized. The equipment layout is reasonable, the structure is simple, and it is easy to operate, which can meet the efficient separation of large quantities of walnut kernels and shells; the automated and intelligent operation also greatly saves labor and improves labor efficiency.

A second aspect of the invention discloses a walnut processing production line with the above-mentioned walnut shell breaking and kernel shell separation equipment, and also includes: oil pressing equipment;

The oil pressing equipment includes: an integrated sterilization and heating device and an oil press;

The integrated sterilization and heating device includes: a box, a transport mechanism, an ultraviolet sterilization lamp and a heating module;

There are feeding windows and discharging windows at the front and rear of the box;

The conveying mechanism is arranged through the feeding window and the discharging window of the box. One end of the conveying mechanism is connected to the walnut shell breaking and kernel shell separation equipment, and is used to accept the walnut shell breaking and kernel shell separation equipment separated by the equipment. Crushed kernels; the other end of the conveying mechanism is connected to the feed port of the oil press, and is used to input the sterilized and preheated crushed kernels into the oil press;

The ultraviolet sterilization lamp and the heating module are arranged in the box and are respectively used to perform ultraviolet sterilization and preheating on the chopped kernels on the conveying mechanism;

The oil press is used to extract oil from ground kernels.

Further, the conveying mechanism includes: a conveying motor, an active conveying roller, a passive conveying roller and a conveyor belt made of gauze material;

The conveyor belt is wound around the active conveyor roller and the passive conveyor roller;

The power output shaft of the conveyor motor is connected to the active conveyor roller and is used to drive the conveyor belt to move cyclically.

The conveyor belt of this application is made of gauze (preferably coarse gauze, more preferably coarse cotton gauze) and other materials. The gauze has the advantages of breathability and small pores, and will not cause the leakage of crushed kernels during the transportation process. It can also facilitate ultraviolet light, Water vapor and heat radiation pass through, improving the sterilization and preheating effect of the chopped kernels.

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

Preferably, the wear-resistant fiber is a textile fiber such as nylon, polypropylene, vinylon, ethylene, polyester or acrylic fiber.

Further, sterilization sections are respectively provided in the box;

A plurality of ultraviolet sterilization lamps are spaced in the sterilization section and above the conveyor belt.

Further, in the sterilization section, a plurality of ultraviolet sterilization lamps are arranged at intervals below the conveyor path of the conveyor belt for irradiating the conveyed chopped kernels from bottom to upward.

Further, the heating module is a heating lamp; heating sections are respectively provided in the box;

A plurality of heating lamp tubes are spaced in the heating section and above the conveyor belt.

Further, in the heating section, a plurality of heating lamp tubes are arranged at intervals below the conveying path of the conveyor belt for irradiating the conveyed chopped kernels from bottom to upward.

This production line adds comprehensive utilization equipment for broken kernels, that is, 5% to 7% of the broken kernels pass through the conveying mechanism, are sterilized and preheated, and are directly transported to the oil press for oil extraction processing, which improves production efficiency and walnut kernels. Utilization rate; since intermediate storage and other links are not required, the possibility of moldy deterioration of walnut kernels during storage is avoided, greatly saving storage costs.

The relatively complete walnut kernels can be transferred out for other uses. Of course, they can also be separated, crushed using grinding or crushing equipment, and then sterilized and preheated by the conveying mechanism and then transported to the oil press for oil extraction.

Description of drawings

In order to more clearly explain the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic structural diagram of the walnut shell breaking and kernel shell separation equipment provided in Embodiment 1;

Figure 2 is a top view of Figure 1;

Figure 3 shows the working principle diagram of the walnut grader;

Figure 4 is a working principle diagram of the shell breaking and sorting machine;

Figure 5 is an enlarged view of point A in Figure 1;

Figure 6 is an enlarged view of B in Figure 1 and is also a working principle diagram of the suction kernel shell separator;

Figure 7 is an enlarged view of C in Figure 3;

Figure 8 is a schematic structural diagram of the oil pressing device provided in Embodiment 2 or 3;

Figure 9 is a schematic structural diagram of the integrated sterilization and heating device in Embodiment 2 of the present invention;

Figure 10 is a partial view of the E direction in Figure 9;

Figure 11 is a partial schematic diagram of the upper chamber shown in Figure 8;

Figure 12 is a partial schematic diagram of the lower chamber and the filter chamber shown in Figure 8;

Figure 13 is a schematic structural diagram of the via hole of the split component in Embodiment 3 when it is fully opened;

FIG. 14 is a schematic structural diagram of the split component in Embodiment 3 when the via holes are completely closed.

Reference signs:

1-Z type bucket elevator; 11-first elevator; 12-second elevator; 13-third elevator; 2-walnut grader; 21-drum; 211-sieve hole; 3-shell fruit temporary Storage box; 31-electric push rod; 4-horizontal belt conveyor; 5-shell breaking and sorting machine; 51-rack; 52-rotating cone barrel breaking mechanism; 521-outer cone barrel; 522-inner cone ; 523-first drive motor; 524-rotating shaft; 525-motor mounting plate; 526-guide block; 527-guide plate; 528-adjusting screw; 529-connecting plate; 6-shell kernel temporary storage box; 7-vibration Separating screen; 8-cyclone unloader; 9-centrifugal induced draft fan; 10-air outlet pipe; 14-butterfly valve; 100-oil press; 101-second drive motor; 110-vertical mixing drum; 111-upper chamber chamber; 112-lower chamber; 113-filter chamber; 114-upper water inlet hole; 115-lower water inlet hole; 116-first interlayer; 117-second interlayer; 118-drainage outlet; 119-drainage mouth; 120-stirring part; 121-spindle; 122-upper stirring part; 123-lower stirring part; 124-stirring part; 130-dividing component; 131-first grinding plate; 132-second grinding plate; 133-th One grinding hole; 134 - second grinding hole; 135 - rotating handle; 140 - filter assembly; 141 - first filter plate; 142 - second filter plate; 143 - first filter hole; 144 - second filter hole; 145 -Oil outlet; 146-oil tank; 150-heating unit; 151-pump body; 152-water supply pipeline; 153-water supply branch; 300-sterilization and heating integrated device; 310-box; 311-sterilization section; 312 -Heating section; 320-Ultraviolet sterilization lamp; 330-Heating module; 340-Conveying mechanism; 341-Active conveying roller; 342-Conveyor belt; 343-Passive conveying roller; 344-Reinforcing ribs.

Detailed ways

The present invention will be further explained below in conjunction with specific embodiments.

Example 1

As shown in Figure 1-2, this embodiment provides a walnut shell breaking and kernel shell separation equipment and process, including: a material classification device, a shell breaking and sorting device, and a kernel shell separation device;

The material classification device is used to classify materials according to grade; the shell breaking and sorting device includes an all-in-one shell breaking and sorting machine 5 with an adjustable shell breaking gap, which is used to break and roughly separate materials of different grades; the kernel and shell separation device is used for The coarsely divided materials are subjected to secondary separation and collection of kernels and shells.

The material grading device includes a walnut grader 2 and a shell nut temporary storage box 3; walnuts are divided into multiple grades according to size, and each grade corresponds to a set size; the walnut grader 2 is equipped with rollers 21 corresponding to different sizes. The circumferential surface of the drum 21 is provided with sieve holes 211 that are adapted to the specifications and sizes of the corresponding grade of walnuts;

As shown in Figure 3 and Figure 7, in this embodiment, walnuts are divided into grades 1 to 5 according to size, which are: <25mm, 25mm~28mm, 28mm~30mm, 30mm~32mm, >32mm; each walnut grader 2 Four rollers 21 are provided, and the circumferential surface of the roller 21 is evenly provided with sieve holes 211 that are suitable for walnut grades 1 to 4; used for rolling screening of walnuts into 5 grades; in this embodiment, the material of the drum 21 is Plastic; Walnut Classifier 2 is powered by a motor reducer.

In this embodiment, five shell nut temporary storage boxes 3 are provided, located below the discharge port of the walnut grader 2, respectively corresponding to storing classified walnuts; the material of the shell nut temporary storage box 3 is stainless steel. Through the walnut grading machine 2, the walnuts are divided into 5 grades according to size and stored in the shell nut temporary storage box 3 accordingly, which provides a basis for fixing the shell breaking gap and improving production efficiency in subsequent processes. The shell nut temporary storage box 3 is provided with an automatic discharging device; 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, etc. As shown in Figure 5, in this embodiment, the automatic discharging device is an electric push rod 31.

There are three integrated shell breaking and sorting machines 5. Each integrated shell breaking and sorting machine 5 includes a frame 51 and a rotating cone barrel shell breaking mechanism 52. The rotating cone barrel shell breaking mechanism 52 is used to squeeze and break the walnuts. ; As shown in Figure 4, the rotating cone barrel shell breaking mechanism 52 is provided inside the frame 51, including an inner cone 522 and an outer cone barrel 521; the outer cone barrel 521 is fixedly provided on the frame 51; the inner cone 522 is coaxial. And is rotatably arranged in the outer cone barrel 521, and the inner cone 522 and the outer cone barrel 521 have different tapers; in this embodiment, the rotation speed of the inner cone 522 is about 22 r/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 barrel 521 form shelling chambers with different gap sizes, and the outer surface of the inner cone 522 and the inner surface of the outer cone barrel 521 are provided with a number of bosses. The boss can increase the friction between the walnuts and the outer cone barrel 521 and the inner cone 522, thereby improving the shell breaking efficiency of the walnuts.

The rotating cone barrel shell breaking mechanism 52 also includes a transmission component and a spacing adjustment component; the transmission component includes a first drive motor 523 and a rotating shaft 524; the first drive motor 523 is fixedly provided on the motor mounting plate 525, and the first drive motor 523 The output shaft is fixedly connected to the rotating shaft 524; the rotating shaft 524 is coaxial and fixedly arranged at the center of the inner cone 522; a guide block 526 is provided on each left and right side of the motor mounting plate 525, and the guide block 526 can be moved along the guide plate 527 The guide groove moves up and down; the guide plate 527 is fixedly connected to the top of the frame 51 .

The spacing adjustment component includes an adjusting screw rod 528. One end of the adjusting screw rod 528 passes downward through the motor mounting plate 525 and is tightened by a fastening nut; the other end of the adjusting screw rod 528 passes upward through the top of the frame 51 and is fixed on the top of the frame 51. The connecting plate 529 is threaded; the exposed end of the adjusting screw 528 is provided with a clamping portion that is convenient for clamping by a wrench. The cross-section of the clamping part is a regular tetrahedron, a regular hexagonal shape, etc., which is convenient for clamping and rotating with a wrench and other tools.

Specifically, the adjusting screw 528 is rotated, and the threaded connection between the adjusting screw 528 and the motor mounting plate 525 drives the inner cone 522 and the motor to move upward or downward along the guide groove on the guide plate 527 at the same time, thereby realizing the inner cone 522 and the outer connection. The adjustment of the gap between the cone barrels 521 can satisfy the crushing and shell breaking of walnuts of different grades.

The rotating cone barrel shell breaking mechanism 52 can also improve the shelling effect when the moisture content of walnuts is 8% to 10%; the shell breaking rate of the rotating cone barrel shell breaking mechanism 52 is >86%, and the kernel breaking rate is 5% to 7 %.

The all-in-one shell-breaking and sorting machine 5 is also provided with three discharge ports for kernels, shells, and crushed kernels. The walnuts that have been shelled and broken through the shelling chamber are sent to the three discharge ports by the fan, and the kernels are processed. , rough division of the shell; the wind power of the fan is adjustable. By adjusting the wind force, the separation rate of coarse separation of walnut shells and kernels can be effectively improved.

The shell-breaking and sorting device also includes shell-kernel temporary storage boxes 6. There are 9 shell-kernel temporary storage boxes 6, which correspond to the discharge ports of three shell-breaking and sorting integrated machines 5 respectively; The kernels and shells stored in the kernel temporary storage box 6 corresponding to the kernel and shell outlet of the device are supplied to the subsequent secondary separation device through the material conveying device, and the shell kernels corresponding to the crushed kernel outlet of the shell breaking and sorting device are temporarily stored. The chopped kernels in box 6 can be sent for oil extraction because the kernels and shells are not easily separated. In this embodiment, the frame 51 of the integrated shell breaking and sorting machine 5 is made of stainless steel, and the shell kernel temporary storage box 6 is made of stainless steel.

Each kernel temporary storage box 6 is provided with an automatic discharging device; 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, etc. In this embodiment, the automatic discharging device is an electric push rod 31.

The suction-type kernel shell separation device includes a vibrating separation screen 7, a cyclone discharger 8 and a centrifugal induced draft fan 9; in this embodiment, two vibrating separation screens 7 are provided for vibrating and separating the roughly separated kernel shells. Secondary screening; the screen surface of the vibrating separation screen 7 is set at an angle of 45° with the horizontal plane, which facilitates the walnut kernels to flow down the screen surface under the action of the vibration motor and gravity; each vibrating separation screen 7 is equipped with 2 vibration motors. Used to drive the screen surface to vibrate; in this embodiment, the amplitude of the vibration motor is 6mm ~ 10mm, and the power is 0.22kw; the woven screen mesh of the separation screen is made of 60 mesh/inch stainless steel mesh, and the frame screen is 3 to 4 mesh/inch. inch stainless steel mesh.

As shown in Figure 6, an air outlet pipe 10 is arranged vertically above the screen surface of the vibrating separation screen 7. The feed end of the air outlet pipe 10 is bent and arranged perpendicularly to the screen surface of the vibrating separation screen 7 for inhaling walnut shells; A butterfly valve 14 is provided on the inlet end of the air duct 10 for adjusting the air volume; the outlet end of the air outlet duct 10 is connected to the cyclone unloader 8 .

The cyclone unloader 8 and the centrifugal induced draft fan 9 are used to inhale the vibration-separated walnut shells through the air outlet pipe 10 and send them to the cyclone unloader 8 and discharge them; the cyclone unloader 8 is equipped with an associated air blower for The walnut shells are continuously discharged; the air inlet of the centrifugal induced draft fan 9 is provided with a damper adjustment device for adjusting the air volume. Through the screen surface set at 45°, it is ensured that the kernels and shells automatically flow downward along the screen surface. The excitation force of the vibration motor makes the kernels and shells evenly distributed on the screen surface, which is conducive to the air outlet pipe 10 to efficiently suck out the shells. The walnut kernels flow down the screen surface and are collected under the action of the vibrating motor and gravity, which greatly improves the walnut kernel yield.

The suction-type kernel shell separation device separates the kernels with a shell content rate of <3% and the kernel content rate in the shells with <4%.

The material conveying device includes a Z-shaped bucket elevator 1 and a horizontal belt conveyor 4; in this embodiment, there are three Z-shaped bucket elevators 1, which are walnut classifier 2, shell breaking and sorting integrated machine 5 and Vibrating separation screen 7 provides materials; it is powered by a motor reducer and frequency converter.

Z-type bucket elevator 1 can be set to single-point feeding and single-point discharging, multi-point feeding and multi-point discharging according to the needs of the process. 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 elevator 11 is a single-point feeding and single-point discharging elevator. machine, which provides materials for a walnut classifier 2; the second elevator 12 is a single-point feeding and three-point discharging elevator, which provides materials for three shell-breaking and sorting integrated machines 5; the third The elevator 13 is a nine-point feeding and two-point discharging elevator, which provides materials for the two vibrating separation screens 7 . The body and rotating bucket materials of Z-type bucket elevator 1 are all made of stainless steel.

The horizontal belt conveyor 4 is used to deliver the graded walnuts to the feed port of the Z-shaped bucket elevator 1 with single-point feeding and three-point discharging; baffles are provided on both sides of the horizontal belt conveyor 4. Prevent walnuts from scattering; the horizontal belt conveyor 4 is powered by a motor reducer and frequency converter. The frequency converter can control the conveying speed of materials to adapt to subsequent processing needs.

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

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

1) First, the walnuts are rolled and screened and graded through the drum 21 provided on the walnut grader 2 and the sieve holes 211 provided on the drum 21 that are adapted to the walnut grade;

2) Then store the graded walnuts in the corresponding shell nut temporary storage box 3;

3) Then according to the demand, the materials in the shell nut temporary storage box 3 are sent to the shell breaking and kernel shell rough separation process through the automatic discharging device;

Shell breaking and rough separation of kernel shells include the following steps:

1) First, the classified walnuts are shelled through the rotating cone barrel shell-breaking mechanism 52 in the shell-breaking and sorting machine 5;

2) Then the shells, kernels, and crushed kernels are roughly divided according to the weight of the shells, kernels, and crushed kernels by a fan;

3) Then, discharge the coarsely divided shells, kernels, and crushed kernels into the shell kernel temporary storage box 6 through the three discharge ports of shells, kernels, and crushed kernels in the integrated shell breaking and sorting machine 5;

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

The secondary separation of kernel shells includes the following steps:

1) First, the kernel shell mixture is evenly distributed on the surface of the vibrating separation screen 7 through the vibration of the vibrating separation screen 7;

2) Then the wind blows up the lighter material shell through the screen and sucks it away through the air outlet pipe 10; the material kernels flow down the screen surface under the action of the vibration motor and gravity, achieving secondary separation of kernels and shells.

The present invention grades walnuts of different sizes through the walnut grader 2, thereby avoiding the irregular extrusion of walnuts of different sizes in the shelling cavity, resulting in uneven shell breaking effects; the rotating cone barrel shell breaking mechanism 52 can be The shell-breaking gap is adjusted according to the different grades of walnuts, so that the extrusion and shell-breaking of walnuts is more complete and efficient; through the secondary separation of the suction-type kernel and shell separation device, the kernel and shell rate of the walnuts are improved; through the PLC computer Board control realizes the automation and intelligence of equipment. The equipment layout is reasonable, the structure is simple, and it is easy to operate, which can meet the efficient separation of large quantities of walnut kernels and shells; the automated and intelligent operation also greatly saves labor and improves labor efficiency.

Example 2

Referring to Figures 8 and 9, this embodiment discloses a walnut processing production line with the above-mentioned walnut shell breaking and kernel shell separation equipment, and also includes: oil pressing equipment;

The oil pressing equipment includes: sterilization and heating integrated device 300 and oil press 100;

The integrated sterilization and heating device 300 includes: a box 310, a transport mechanism 340, an ultraviolet sterilization lamp 320 and a heating module 330;

There are feeding windows and discharging windows at the front and rear of the box 310;

The conveying mechanism 340 is provided through the feed window and the discharge window of the box 310, and is used to connect with the feed port of the oil press 100, and input the sterilized and preheated chopped 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 separation equipment in Embodiment 1, and is used to receive the broken kernels separated by the walnut shell breaking and kernel shell separation equipment; the other end of the conveying mechanism 340 It is connected to the feed port of the oil press 100 and is used to input the sterilized and preheated chopped kernels into the oil press 100 .

The ultraviolet sterilization lamp 320 and the heating module 330 are arranged in the box 310 and are respectively used for ultraviolet sterilization and preheating of the chopped kernels on the conveying mechanism 340;

The oil press 100 is used for extracting oil from ground 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 to the active conveying roller 341 and is used to drive the conveying belt 342 to move circularly.

The conveyor belt 342 of the present application is made of materials such as gauze (preferably coarse gauze, more preferably coarse cotton gauze). The gauze has the advantages of breathability and small pores, and will not cause the leakage of crushed kernels during the transportation process. At the same time, it can also facilitate ultraviolet light. , water vapor and heat radiation pass through, improving the sterilization and preheating effect of the chopped kernels.

More preferably, as shown in FIG. 10 , the conveyor belt 342 is provided with reinforcing ribs 344 made of wear-resistant fibers at intervals along 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, ethylene, polyester or acrylic fiber.

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

In this embodiment, the heating module 330 is a heating lamp; heating sections 312 are respectively provided in the box 310; a plurality of heating lamps are spaced in the heating section 312 and above the conveyor belt 342. Further, in the heating section 312, a plurality of heating lamp tubes are arranged at intervals below the conveying path of the conveyor belt 342, for irradiating the conveyed chopped kernels from bottom to upward.

This production line adds equipment for comprehensive utilization of chopped kernels, that is, 5% to 7% of the chopped kernels pass through the conveying mechanism 340 and are directly transported to the oil press 100 after sterilization and preheating treatment for oil extraction, which improves production efficiency and Utilization rate of walnut kernels: Since there is no need for intermediate storage and other links, the possibility of moldy deterioration of walnut kernels during storage is avoided, greatly saving storage costs.

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

Example 3

Referring to Figures 8, 11 and 12, this embodiment provides an oil pressing equipment. The oil pressing equipment also includes an oil press 100. The oil press 100 includes: a vertical mixing drum 110, a stirring component 120 and a second drive. Motor 101; the vertical mixing drum 110 is a long cylindrical body arranged vertically; a dividing assembly 130 is provided in the vertical mixing drum 110; the dividing assembly 130 divides the inner cavity of the vertical mixing drum 110 into an upper chamber 111 and a lower chamber 112; The stirring component 120 includes: a main shaft 121 and a spiral blade; the outer diameter of the spiral blade is adapted to the inner wall diameter of the vertical mixing drum 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 runs up and down. An upper chamber 111 and a lower chamber 112 are provided, and the spiral blade includes an upper stirring part 122 arranged in the upper chamber 111 and a lower stirring part 123 arranged in the lower chamber 112 .

Referring to Figures 13 and 14, the dividing assembly 130 includes a first grinding plate 131 and a second grinding plate 132 that are stacked up and down and closely fitted; the first grinding plate 131 and the second grinding plate 132 are respectively provided with The first grinding hole 133 and the second grinding hole 134; one of the first grinding plate 131 and the second grinding plate 132 can be relatively rotated, thereby changing the coincidence degree of the first grinding hole 133 and the second grinding hole 134, thereby changing The size of the via holes on the divided component 130 as a whole (that is, the overlapping area size of the first grinding hole 133 and the second grinding hole 134 on the horizontal projection plane) and opening and closing.

The second drive motor 101 is connected to the main shaft 121 and is used to drive the upper stirring part 122 and the lower stirring part 123 to rotate forward or reversely; when the through hole on the dividing assembly 130 is open, the main shaft 121 rotates forward, and the upper stirring part 122 forces the The material in the upper chamber 111 passes through the through hole of the dividing component 130 from top to bottom. When the main shaft 121 is reversed, the lower stirring part 123 forces the material in the lower chamber 112 to pass through the through hole of the dividing component 130 from bottom to top, thereby realizing the repeated circulation of the material. Grind.

When the first grinding hole 133 and the second grinding hole 134 are completely offset, the through holes on the dividing assembly 130 as a whole are in a closed state, and the dividing assembly 130 completely separates the upper chamber 111 and the lower chamber 112, and the upper chamber The bottom of 111 forms a sealing structure, and the upper chamber 111 can be used for soaking walnut kernels and other oil materials, so that the walnut kernels and other oil materials can fully absorb moisture.

Further, a filter chamber 113 is provided in the vertical mixing drum 110 and below the lower chamber 112; a first filter plate 141 is provided between the lower chamber 112 and the filter chamber 113; and a first filter plate 141 is provided on the first filter plate 141. There is a first filter hole 143; the oil-water mixture flowing down from the upper chamber 111 and the lower chamber 112 flows into the filter chamber 113 through the first filter plate 141.

Further, the main shaft 121 is provided through the filtration chamber 113. The stirring component 120 also includes a plurality of stirring parts 124 (such as stirring blades or stirring rods) arranged on the main shaft 121 and in the filtration chamber 113. The stirring parts 124 are at The two drive motors 101 and the main shaft 121 rotate to force the oil and water molecules in the filter chamber 113 to separate.

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

After the oil and water molecules in the oil-water mixture in the filter chamber 113 are separated, the oil molecules float up to form a walnut oil layer above, and the water molecules sink to form a clear water layer below. The heating function of the heating unit 150 can increase the oil-water separation speed, and at the same time, the heated clean water can be circulated back to the upper chamber 111 and/or the lower chamber 112 to continue the water substitution reaction.

This embodiment also includes a pump body 151; an upper water inlet hole 114 is provided in the middle and upper part of the side wall of the upper chamber 111; a water outlet is provided at the bottom of the filter chamber 113, and the water outlet communicates with the upper water inlet hole through a water supply pipeline 152 114 connection, the pump body 151 is set on the water supply pipeline 152 to force the hot water (heated clean water) from the filter chamber 113 to be sprayed into the upper chamber 111 from the upper water inlet hole 114 to moisten (or soak) the material. The material is heated at the same time.

In existing water generation equipment, additional heating components have to be used to heat the stirring container to maintain the ambient temperature of the water generation process. This application can supply hot water to materials such as walnut kernels in the upper chamber 111 and lower chamber 112 through the circulation mode. The hot water can better maintain the ambient temperature of the water generation process, and the heating method is more direct and uniform; at the same time, the existing During the water generation process, the water liquid used for water generation has a high content of oil molecules, which hinders the further seepage of oil molecules in materials such as walnut kernels; and in this application, due to the use of circulation mode for water generation treatment, the upper chamber 111 The oil-water mixture flows into the lower chamber 112 through the through holes on the dividing assembly 130. The oil-water mixture in the lower chamber 112 flows into the filter chamber 113 through the first filter hole 143 on the first filter plate 141. After the oil and water are separated, The clean water is heated and returns to the upper chamber 111 and the lower chamber 112 again. Therefore, the content of oil molecules in the water liquid used for water replacement is generally lower, which is conducive to the rapid seepage of oil molecules in materials such as walnut kernels.

Optionally, a drain port 118 is provided at the bottom of the upper chamber 111, and the drain port 118 is connected to the filter chamber 113 through a return pipeline. When the through holes on the dividing assembly 130 are in a closed state, the water in the upper chamber 111 can return to the filter chamber 113 through the drain port 118 and the return pipe.

Preferably, when the through hole on the dividing component 130 is in a closed state, the upper stirring part 122 rotates forward to force the material in the upper chamber 111 to be transported downward. The upper stirring part 122 and the dividing component 130 cooperate with each other to squeeze the material and accelerate it. Oil molecules in the material leak out.

Similarly, when the through hole on the dividing component 130 is in a closed state, the lower stirring part 123 reverses to force the material in the lower chamber 112 to be transported upward. The lower stirring part 123 and the dividing component 130 cooperate with each other to stir the material in the lower chamber 112. Squeeze to accelerate the oil molecules in the material to seep out.

In this embodiment, a plurality of upper water inlet holes 114 are evenly distributed in the circumferential direction of the upper chamber 111 . The hot water sprayed from the upper water inlet hole 114 can be evenly sprayed on the materials on the upper stirring part 122. Further preferably, a first interlayer 116 is provided outside the upper middle part of the side wall of the upper chamber 111, and both ends of the upper water inlet hole 114 are connected to the first interlayer 116 and the upper chamber 111; the water supply pipeline 152 is connected to the first interlayer 116, Water is supplied to the upper chamber 111 through the first interlayer 116 and the upper water inlet hole 114 in sequence.

This embodiment may also include a second filter plate 142, which is provided with a second filter hole 144; the first filter plate 141 and the second filter plate 142 are stacked up and down and closely fitted to form a filter assembly 140; One of the first filter plate 141 and the second filter plate 142 can be relatively rotated, thereby changing the coincidence degree of the first filter hole 143 and the second filter hole 144, thereby changing the size of the filter holes on the filter assembly 140 (i.e., in horizontal projection On the plane, the overlapping area size of the first filter hole 143 and the second filter hole 144) and opening and closing.

Preferably, when the filter hole on the filter assembly 140 is closed and the main shaft 121 rotates forward, the lower stirring part 123 and the filter assembly 140 cooperate with each other to squeeze the material in the lower chamber 112 and accelerate the seepage of oil molecules in the material. That is, the materials in the upper chamber 111 and the lower chamber 112 can be squeezed or ground at the same time, thereby accelerating the oil extraction effect.

Further, a lower water inlet hole 115 is provided in the upper middle part of the side wall of the lower chamber 112. The lower water inlet hole 115 is connected to the water supply pipeline 152 through the water supply branch 153. The pump body 151 can be connected to the lower water inlet through the water supply branch 153. Hole 115 injects hot water into lower chamber 112.

Further, a second interlayer 117 is provided on the outside of the upper middle part of the side wall of the lower chamber 112, and both ends of the lower water inlet hole 115 are connected to the second interlayer 117 and the lower chamber 112; the water supply branch 153 is connected to the second interlayer 117, in sequence. Water is supplied to 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 is connected to the filtration chamber 113 through a pipeline.

When the through hole on the dividing component 130 is in a closed state, the lower stirring part 123 reverses to force the material in the lower chamber 112 to be transported upward. The lower stirring part 123 and the dividing component 130 cooperate with each other to squeeze the material in the lower chamber 112 , part of the oil-water mixture seeping out from the material flows into the second interlayer 117 through the lower water inlet hole 115, and then flows back into the filtration chamber 113 through the drain port 119 at the bottom of the second interlayer 117.

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

The present application may also include an upper actuator for driving the first grinding plate 131 or the second grinding plate 132 to rotate. In a simpler implementation, the upper actuator can use a manual rotating handle 135 . One end of the rotating handle 135 is connected to the first grinding plate 131 or the second grinding plate 132, and the other end extends out of the gap on the side wall of the self-standing mixing drum 110 (a dynamic sealing structure is provided on the gap). By moving the rotating handle 135, The first grinding plate 131 or the second grinding plate 132 is driven to rotate, thereby adjusting the size of the via holes on the dividing component 130 . Of course, it can also be driven by electric means such as servos, which facilitates automatic control.

Similarly, this embodiment also 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 arranged in the vertical mixing drum 110, and the lower actuator drives one of them to rotate.

Furthermore, an oil outlet hole 145 is provided in the upper middle part of the side wall of the filter chamber 113 , and the oil in the upper oil layer in the filter chamber 113 flows out through the oil outlet hole 145 .

Preferably, an oil tank 146 is provided outside the vertical mixing drum 110 to receive the oil flowing out of the oil outlet hole 145 .

In addition, a feed port is provided above the side wall of the vertical mixing drum 110; the second driving motor 101 is provided on the top of the vertical mixing drum 110.

During production, the degree to which the walnut kernels are broken after grinding greatly affects the oil output speed and oil yield of the walnut kernels. The existing mixing equipment in the water-based method can only achieve the stirring function. In walnut kernels, etc. When the wall breaking of the oil is insufficient, the oil output efficiency will be low, or the oil will have to be stirred for a long time to complete production.

This application integrates the two processes of mixing and grinding, thereby realizing the multiple processes of soaking, mixing and grinding to be carried out alternately and repeatedly in the same equipment; and the size of the through holes of the dividing component 130 is adjustable, which can realize from large to large. Multiple grinding in a small step-by-step manner solves the undesirable problems of overheating or even overcooking and burning of materials in the existing grinding process; the alternating and repeated soaking, stirring and grinding processes can achieve the expansion and absorption of moisture in oily materials such as walnut kernels. , oil molecules are replaced - the compressed and replaced oil molecules are extruded. Such repeated microscopic morphological changes are similar to repeated exhalation and inhalation, thus speeding up the replacement of oil molecules and increasing the oil output rate. .

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features can be equivalently replaced; and these modifications or substitutions do not deviate from the essence of the corresponding technical solutions from the technical solutions of the embodiments of the present invention. scope.

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.