CN111169072A

CN111169072A - Synchronous rolling type extraction method of walnut oil

Info

Publication number: CN111169072A
Application number: CN202010012077.6A
Authority: CN
Inventors: 胡能静; 张勤
Original assignee: Luan Qimingdao Electromechanical Technology Co Ltd
Current assignee: Luan Qimingdao Electromechanical Technology Co Ltd
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-05-19

Abstract

The invention provides a synchronous rolling type extraction method of walnut oil, which comprises the following steps: firstly, frying the oil material into cooked oil material by a material frying mechanism, and quantitatively conveying the cooked oil material in the material frying mechanism into an oil pressing cylinder by a quantitative conveying mechanism; secondly, the lifting driving mechanism drives the pressing cylinder to move downwards and gradually approach to the inner wall of the lower part of the oil pressing cylinder, and the pressing surface between the pressing cylinder and the oil pressing cylinder extrudes the cooked oil; then, a rotary driving mechanism drives a roller to rotate around the axis direction of the roller in a reciprocating manner, the roller drives an oil pressing cylinder to rotate through the friction force of the cooked oil, and two rolling surfaces are gradually narrowed to press the cooked oil and extract edible oil; then, the oil pressing cylinder is inclined at a small angle, so that the edible oil is smoothly discharged out of the oil pressing cylinder, falls into the filtering hopper, is discharged through the oil discharge port and is collected by a user; and finally, the rolling cylinder moves upwards to reset, and the oil cake discharge mechanism scrapes and discharges the oil cake adhered to the inner wall of the oil pressing cylinder outwards.

Description

Synchronous rolling type extraction method of walnut oil

Technical Field

The invention relates to an oil press, in particular to a synchronous rolling type extraction method of walnut oil.

Background

The search of the applicant shows that in the prior art, the process for extracting the edible oil from the plants by the squeezing method mainly comprises the following steps, wherein the first step is to heat and fry raw oil materials; step two, the main process is that the boiled oil material is squeezed; the third step is that the edible oil and the oil cake are separated by filtration, the squeezing method has a long history, the old squeezing method needs complicated and tired repeated labor of operators, the oil yield of the oil material in the squeezed oil cake is low, the residual oil amount is quite high, and therefore the edible oil is wasted.

Taking the preparation process of walnut oil as an example, the walnut oil is prepared from walnut kernels as a raw material, belongs to all woody oil plants and is reputed as 'oil depots on trees', the walnut oil is prepared by pressing, refining and purifying the walnut kernels, is yellow or brownish yellow in color, is high-grade edible cooking oil which is ideal in daily life of people, and is high-grade edible oil, and the oil content of the walnut kernels is as high as 65-70%.

Therefore, a synchronous rolling type full-automatic oil pressing method of the oil press, which has the advantages of ingenious structure, simple principle and convenient operation and use, can improve the oil yield of oil materials and reduce the residual oil quantity in oil cakes, is needed. .

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide the synchronous rolling type full-automatic oil pressing method of the oil press, which has the advantages of ingenious structure, simple principle and convenient operation and use, and can improve the oil yield of oil materials and reduce the residual oil quantity in oil cakes.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

The synchronous rolling type walnut oil extracting method comprises the following steps:

firstly, frying materials;

s1: a user adds raw oil into the material frying mechanism at one time, the material frying mechanism heats and fries the oil and converts the raw oil into cooked oil, then the quantitative conveying mechanism conveys the cooked oil in the material frying mechanism to the oil pressing cylinder in a quantitative manner, and the cooked oil falls into the inner wall of the lower part of the oil pressing cylinder under the action of self gravity and is continuously collected;

(II) oil pressing stage;

s2: the lifting driving mechanism drives the pressing cylinder to move downwards and gradually approach to the inner wall of the lower part of the oil pressing cylinder, and the pressing surface between the pressing cylinder and the oil pressing cylinder extrudes the cooked oil;

the oil pressing cylinder, the rolling cylinder, a lifting driving mechanism for driving the rolling cylinder to move up and down along the vertical direction, a rotary driving mechanism for driving the rolling cylinder to rotate back and forth around the axis direction of the rolling cylinder, and an oil cake discharging mechanism for discharging oil cakes out of the oil pressing cylinder form the main components of the oil pressing device together, the rolling cylinder is positioned in the oil pressing cylinder, the initial position of the rolling cylinder is positioned above the central axis of the oil pressing cylinder, the rolling cylinder can vibrate up and down along the vertical direction to improve the extrusion pressure of the rolling surface to the oil, the rolling cylinder can be driven by the lifting driving mechanism to gradually move downwards to be close to the inner wall of the lower part of the oil pressing cylinder, two rolling surfaces for extruding and pressing the oil are formed between the rolling cylinder and the oil pressing cylinder, and the rolling cylinder can be driven by the rotary driving mechanism to rotate back and forth along the axis direction of the rolling cylinder so as to extrude and press the oil to extract the edible oil;

the oil pressing device also comprises a rectangular bottom plate and a rectangular top plate which are arranged at intervals up and down, the end parts of the bottom plate and the top plate are provided with a supporting plate for fixing the bottom plate and the top plate, two mounting rings which are coaxially arranged are fixedly arranged between the upper end surface of the bottom plate and the lower end surface of the top plate, the two mounting rings are mutually arranged at intervals, an oil pressing cylinder is coaxially and movably sleeved in the mounting rings, one end face of the mounting ring, which is far away from each other, is rotatably provided with a plurality of bearings, the axial direction of which is parallel to the axial direction of the mounting ring, the bearings are protruded into the mounting ring and are arranged in an array along the circumferential direction of the mounting ring, the outer circular face of the oil extracting barrel is coaxially provided with two annular clamping grooves, one of the clamping grooves is positioned at one end of the oil extracting barrel along the axial direction of the oil extracting barrel, the other clamping groove is positioned at the other end of the oil extracting barrel along the axial direction of the oil extracting barrel, the bearing is matched with the clamping groove, clamped in the clamping groove and matched with the groove bottom of the clamping groove in a rolling manner;

s3: the rotary driving mechanism drives the rolling cylinder to rotate back and forth around the axis direction of the rotary driving mechanism, the rolling cylinder drives the oil pressing cylinder to rotate through the friction force of the cooked oil, and the two rolling surfaces are gradually narrowed to press the cooked oil and extract edible oil;

the rolling cylinder comprises a cylinder body with openings at two ends, the length of the cylinder body is equal to that of an oil extracting cylinder, the diameter of the cylinder body is one fourth to one third of the diameter of the oil extracting cylinder, a first circular end cover fixedly connected with the cylinder body is coaxially arranged at the opening at one end of the cylinder body close to a sealing ring, the first end cover is embedded in the cylinder body and is flush with the opening, the first circular end cover and the second circular end cover are fixedly connected through bolts, a driving shaft is coaxially and fixedly arranged on the first end cover, the driving shaft extends outwards from the inside of the sealing ring, a second circular end cover movably connected and matched with the cylinder body is coaxially arranged at the opening at one end of a sealing cover, the cylinder body is sleeved outside the second end cover and is rotatably connected and matched with the two circular end cover, a bearing shaft is coaxially and fixedly arranged on the second end cover, one end of the, a vibrator which is fixedly connected and matched with the second end cover and is rotationally connected and matched with the first end cover is arranged in the cylinder body, and the vibrator can generate up-and-down vibration to increase the extrusion pressure of the roller press surface on the cooked oil;

in the process of extruding and squeezing the cooked oil materials by mutually matching the rolling cylinder and the oil pressing cylinder, the driving rolling cylinder vertically moves downwards and extrudes the cooked oil materials, meanwhile, the rotary driving mechanism transmits power to the rolling cylinder through the driving shaft and drives the rolling cylinder to rotate in a reciprocating manner, the vibrator generates vertical vibration and further applies pressure to the cooked oil materials, then, the lifting driving mechanism gradually moves the driving rolling cylinder downwards to gradually reduce the distance between two rolling surfaces, the cooked oil materials are fully and repeatedly rolled, edible oil in the cooked oil materials is extracted, and the cooked oil materials are converted into oil cakes to be adhered to the inner part of the lower part of the oil pressing cylinder;

s4: the inclined driving motor drives the oil pressing cylinder to incline at a small angle towards the sealing cover, so that the edible oil is smoothly discharged out of the oil pressing cylinder, falls into the filtering hopper and is discharged out of the oil discharge port to be collected by a user;

the oil extraction cylinder is of a cylinder structure with openings at two ends, a sealing ring is coaxially and fixedly arranged at the opening at one end of the oil extraction cylinder, an annular sealing cover sleeved outside the oil extraction cylinder is coaxially arranged at the opening at the other end of the oil extraction cylinder, the sealing cover is fixedly connected with a bottom plate, the sealing cover is always communicated with the opening at the other end of the oil extraction cylinder, a discharge hole is formed in the bottom of the sealing cover, a filter hopper fixedly connected with the bottom plate is arranged below the sealing cover, the upper end of the filter hopper is open and the lower end of the filter hopper is closed, the upper end and the lower end of the filter hopper form a closed container, the container formed by the filter hopper is gradually narrowed from top to bottom along the vertical direction, the opening of the filter hopper is positioned right below the discharge hole, the opening sizes of the filter hopper are matched, a filter screen matched with the cross section of the filter hopper is arranged at the opening of the filter hopper, the filter screen is obliquely arranged and the corresponding, an oil discharge port communicated with the inside and the outside is arranged at the bottom of the filter hopper and is positioned at one side of the filter hopper;

a connecting plate fixedly connected with the two mounting rings is arranged between the two mounting rings, the connecting plate is provided with two connecting plates which are respectively positioned on one side of an oil extracting cylinder, a rotating shaft is fixedly arranged on the outer side of the connecting plate, the axial direction of the rotating shaft is horizontally arranged along the radial direction of the oil extracting cylinder, a landing support frame is arranged below the oil extracting cylinder, the support frame is sleeved on the rotating shaft and is in rotating connection and matching with the rotating shaft, an inclined driving motor is fixedly arranged on the support frame, the axial direction of an output shaft of the inclined driving motor is vertical to the axial direction of the rotating shaft, the inclined driving motor is in connection transmission with one of the rotating shafts through a worm and gear transmission;

(III) oil cake discharging stage;

s5: after pressing, the lifting driving mechanism drives the pressing barrel to move upwards to reset, and the oil cake discharging mechanism scrapes and discharges oil cakes adhered to the inner wall of the pressing barrel outwards;

the oil cake discharging mechanism comprises a circular arc-shaped scraping plate arranged in an oil extracting cylinder, the scraping plate is approximately of one of three annular structures, the diameter of the outer circular surface of the scraping plate is equal to the diameter of the inner circular surface of the oil extracting cylinder, the scraping plate is tightly attached to the inner wall of the lower portion of the oil extracting cylinder and moves from one end of the oil extracting cylinder to the other end of the oil extracting cylinder, an accommodating groove matched with the scraping plate in negative outline is formed in the inner surface of the sealing ring, the initial position of the scraping plate is embedded in the accommodating groove, a rack is fixedly arranged at the end of the scraping plate in the circumferential direction, the length direction of the rack is parallel to the axial direction of the oil extracting cylinder, the highest position of the combination point of the rolling cylinder and the rolling surface of the oil extracting cylinder is lower than that of the rack, one end of the rack is;

the oil cake discharging mechanism further comprises a mounting frame which is fixedly arranged on the bottom plate and positioned outside the sealing cover, an outer discharging driving motor is fixedly arranged on the mounting frame, a fourth transmission shaft is rotatably arranged, a fifth transmission shaft is rotatably arranged, the axial direction of an output shaft of the outer discharging driving motor is parallel to the axial direction of an output shaft of the outer discharging driving motor, the axial direction of the fourth transmission shaft is perpendicular to the axial direction of the output shaft of the outer discharging driving motor, the axial direction of the fifth transmission shaft is parallel to the axial direction of the output shaft of the outer discharging driving motor, the fifth transmission shaft is provided with two transmission shafts which are in one-to-one correspondence with the racks, a fourth worm gear transmission assembly for connecting the output shaft of the outer discharging driving motor and the fourth transmission shaft is arranged between the output shaft of the outer discharging driving motor and the middle position of the fourth transmission shaft, the fourth worm, the fourth transmission gear set can transmit the power of the fourth transmission shaft to the fifth transmission shaft and drive the fifth transmission shaft to rotate, and a power output gear is coaxially and fixedly sleeved on the output end of the fifth transmission shaft and meshed with the rack;

the outer oil cake discharge mechanism is in the working process, after oil extraction is finished and the lifting driving mechanism drives the rolling cylinder to move upwards and reset, the outer discharge driving motor is started, the worm gear transmission assembly transmits power on an output shaft of the outer discharge driving motor to the fourth transmission shaft and drives the fourth transmission shaft to rotate, the fourth transmission gear assembly transmits power of the fourth transmission shaft to the fifth transmission shaft and drives the fifth transmission shaft to rotate, the fifth transmission shaft drives the power output gear to rotate, the power output gear drives the rack to slide towards the outside of the oil extraction cylinder, the rack drives the scraping plate to move synchronously, the scraping plate tightly adheres to the inner wall of the lower part of the oil extraction cylinder and moves to the other end from one end of the oil extraction cylinder, oil cakes adhered to the oil extraction cylinder are scraped and pushed to a discharge opening, and the oil cakes fall onto the filter screen and slide out through the guide plate.

Compared with the prior art, the oil press has the advantages that the structure is ingenious, the principle is simple, the operation and the use are convenient, the oil pressing cylinder is matched with the rolling cylinder inside the oil press to perform reciprocating rolling pressing on the oil, the pressing pressure is large, the rolling cylinder can vibrate up and down, the pressing pressure on the oil is further increased, the oil outlet rate of the oil can be increased, the residual oil quantity in an oil cake can be reduced, meanwhile, the frying of the oil and the discharging of the oil cake are both automated, and the heavy physical labor of operating personnel is greatly liberated.

Drawings

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

FIG. 2 is a schematic structural diagram of the initial state of the present invention.

Fig. 3 is a schematic structural diagram of the working state of the present invention.

Fig. 4 is a schematic structural diagram of the working state of the present invention.

Fig. 5 is a schematic structural diagram of an oil squeezing device.

FIG. 6 is a view of the combination of the barrel and the barrel.

Fig. 7 is an installation view of the oil extracting barrel.

Fig. 8 is an installation view of the oil extracting barrel.

Fig. 9 is a matching view of the oil cylinder and the rolling cylinder.

Fig. 10 is a schematic structural view of the oil extracting barrel.

Fig. 11 is a schematic structural view of the filter hopper.

FIG. 12 is a view of the combination of the barrel and the barrel.

Fig. 13 is an installation view of the oil extracting barrel.

Fig. 14 is a schematic structural view of the roll barrel.

Fig. 15 is a schematic structural view of the roll barrel.

Fig. 16 is an exploded view of a roll-in drum.

Fig. 17 is a diagram showing the cooperation of the elevation drive mechanism and the rolling cylinder.

Fig. 18, 19, 20 and 21 are views showing the combination of the elevation drive mechanism and the rolling cylinder.

Fig. 22 and 23 are matching diagrams of the oil cake discharging mechanism and the oil extracting barrel.

Fig. 24 is a view of the scraper plate in cooperation with the seal ring.

Fig. 25 is a schematic structural diagram of an oil cake discharge mechanism.

Fig. 26 is an exploded view of the oil cake discharge mechanism.

FIG. 27 is a view of the attachment of the feeding device to the barrel.

Fig. 28 is a schematic structural view of the charging device.

Fig. 29 is a schematic structural view of the stir-frying mechanism.

Fig. 30 is a partial structure schematic view of the frying mechanism.

FIG. 31 is a view showing the combination of the stirring member and the frying barrel.

Fig. 32 is a partial structural view of the stirring member.

Fig. 33 is a schematic structural view of the stirring member.

Fig. 34 is a schematic structural view of the quantitative transfer mechanism.

Fig. 35 is a partial sectional view of the quantitative transfer mechanism.

Fig. 36 is a partial schematic configuration diagram of the quantitative transfer mechanism.

Detailed Description

firstly, frying materials;

s1: a user adds raw oil into the material frying mechanism 210 at one time, the material frying mechanism 210 heats and fries the oil and converts the raw oil into cooked oil, then the quantitative conveying mechanism 220 conveys the cooked oil in the material frying mechanism 210 to the oil pressing cylinder 110 quantitatively, and the cooked oil falls into the inner wall of the lower part of the oil pressing cylinder 110 under the action of self gravity and continues to be collected;

(II) oil pressing stage;

s2: the lifting driving mechanism 130 drives the pressing cylinder 120 to move downwards and gradually approach to the inner wall of the lower part of the oil pressing cylinder 110, and the rolling surface between the pressing cylinder 120 and the oil pressing cylinder 110 presses the cooked oil;

s3: the rotary driving mechanism 140 drives the rolling cylinder 120 to rotate back and forth around the axis direction of the rotary driving mechanism, the rolling cylinder 120 drives the oil extracting cylinder 110 to rotate through the friction force of the cooked oil, and the two rolling surfaces are gradually narrowed to perform pressure extraction on the cooked oil and extract edible oil;

in the process of squeezing the cooked oil by the mutual cooperation of the rolling cylinder 120 and the oil pressing cylinder 110, the rolling cylinder 120 is driven to vertically move downwards and squeeze the cooked oil, meanwhile, the rotary driving mechanism 140 transmits power to the rolling cylinder 120 through the driving shaft 123 and drives the rolling cylinder 120 to rotate in a reciprocating manner, the vibrator 125 generates vertical vibration and further applies pressure to the cooked oil, then the lifting driving mechanism 130 drives the rolling cylinder 120 to gradually move downwards so that the distance between two rolling surfaces is gradually reduced, the cooked oil is fully and repeatedly rolled, the edible oil in the cooked oil is extracted and is converted into oil cakes to be adhered to the inner part of the lower part of the oil pressing cylinder 110;

s4: the inclined driving motor 119a drives the oil extracting barrel 110 to incline towards the sealing cover 115 at a small angle, so that the edible oil is smoothly discharged out of the oil extracting barrel 110, falls into the filtering hopper 116, is discharged out through the oil outlet 116c and is collected by a user;

(III) oil cake discharging stage;

s5: after pressing, the lifting driving mechanism 130 drives the pressing cylinder 120 to move upwards for resetting, and the oil cake discharging mechanism 150 scrapes off and discharges oil cakes adhered to the inner wall of the oil pressing cylinder 110;

in the working process of the oil cake discharging mechanism 150, when oil extraction is finished and the lifting driving mechanism 130 drives the rolling barrel 120 to move upwards and reset, the discharging driving motor 153 is started, the worm gear transmission assembly 156 transmits the power on the output shaft of the discharging driving motor 153 to the transmission shaft IV 154 and drives the transmission shaft IV 154 to rotate, the transmission gear assembly IV 157 transmits the power of the transmission shaft IV 154 to the transmission shaft V155 and drives the transmission shaft V155 to rotate, the transmission shaft V155 drives the power output gear 158 to rotate, the power output gear 158 drives the rack 159 to slide towards the outside of the oil extracting barrel 110, the rack 159 drives the scraping plate 151 to move synchronously, the scraping plate 151 clings to the inner wall of the lower part of the oil extracting barrel 110 and moves from one end of the oil extracting barrel 110 to the other end, the oil cake adhered to the oil extracting barrel 110 is scraped and pushed to the discharging port 115b, the cake falls onto the filter screen 116a and slides outward through the guide plate 116 b.

Referring to fig. 1 to 36, a synchronous rolling type oil press includes an oil press device 100 and a feeding device 200, wherein the oil press device 100 includes an oil cylinder 110 and a rolling cylinder 120 cooperating with each other to press and extract edible oil, a lifting driving mechanism 130 for driving the rolling cylinder 120 to move up and down along a vertical direction, a rotary driving mechanism 140 for driving the rolling cylinder 120 to rotate back and forth around an axis direction thereof, and a cake discharging mechanism 150 for discharging a cake from the oil cylinder 110, the rolling cylinder 120 is located in the oil cylinder 110 and an initial position of the rolling cylinder 120 is located above a central axis of the oil cylinder 110, the rolling cylinder 120 can vibrate up and down along the vertical direction to lift a pressing pressure of the rolling cylinder against the oil, the rolling cylinder 120 can be driven by the lifting driving mechanism 130 to move down gradually near a lower inner wall of the oil cylinder 110 and two rolling surfaces for pressing the oil are formed between the rolling cylinder 120 and the oil cylinder 110, the rolling barrel 120 can be driven by the rotary driving mechanism 140 to rotate back and forth along the axis direction of the rolling barrel to enable the rolling barrel to extrude and squeeze oil to extract edible oil, wherein the feeding device 200 comprises a material frying mechanism 210 and a quantitative conveying mechanism 220, the input end of the quantitative conveying mechanism 220 is connected and communicated with the material frying mechanism 210, the output end of the quantitative conveying mechanism 220 is inserted into the oil extracting barrel 110, the material frying mechanism 210 is used for heating and frying raw oil materials into cooked oil materials, and the quantitative conveying mechanism 220 is used for quantitatively conveying the cooked oil materials into the oil extracting barrel 110.

Specifically, the axial directions of the oil pressing cylinder 110 and the rolling cylinder 120 are parallel to each other, the axial direction of the oil pressing cylinder 110 at the initial position is horizontally arranged and can passively rotate around the axis direction, the oil pressing cylinder 110 can rotate and overturn around the radial direction at a small angle, so that one end of the oil pressing cylinder 110 slightly inclines downwards, and the purpose is to ensure that the taken edible oil can rapidly flow out of the oil pressing cylinder 110.

In the oil pressing process, a user adds raw oil into the material frying mechanism 210 at one time, the material frying mechanism 210 heats and fries the oil and converts the raw oil into cooked oil, then, the quantitative conveying mechanism 220 conveys the cooked oil in the material frying mechanism 210 into the oil pressing cylinder 110 quantitatively, the cooked oil falls into the inner wall of the lower part of the oil pressing cylinder 110 under the action of self gravity and continues to be collected, then, the lifting driving mechanism 130 drives the roller pressing cylinder 120 to move downwards and gradually approaches to the inner wall of the lower part of the oil pressing cylinder 110, the roller surface between the roller pressing cylinder 120 and the oil pressing cylinder 110 presses the cooked oil, meanwhile, the rotary driving mechanism 140 drives the roller pressing cylinder 120 to rotate back and forth along the axis direction of the roller pressing cylinder 120, the roller pressing cylinder 120 drives the oil pressing cylinder 110 to rotate through the friction force of the cooked oil, the two roller pressing surfaces are gradually narrowed to press the cooked oil and extract edible oil, then, the oil pressing cylinder 110 inclines at a small angle so that the edible oil is smoothly discharged from the oil pressing cylinder 110 and collected by the user, after pressing, the lifting driving mechanism 130 drives the pressing cylinder 120 to move upwards and reset, and the oil cake discharging mechanism 150 scrapes off and discharges the oil cake adhered to the inner wall of the pressing cylinder 110.

In order to facilitate the installation of the oil squeezing cylinder 110, the oil squeezing device 100 further includes a rectangular bottom plate 111a and a top plate 111b which are arranged at an interval from top to bottom, supporting plates 111c for fixing the bottom plate 111a and the top plate 111b are arranged at end positions of the bottom plate 111a and the top plate 111b, two mounting rings 112 which are arranged coaxially are fixedly arranged between an upper end surface of the bottom plate 111a and a lower end surface of the top plate 111b, the two mounting rings 112 are arranged at intervals from each other, the oil squeezing cylinder 110 is coaxially and movably sleeved inside the mounting rings 112, the oil squeezing cylinder 110 and the mounting rings 112 are in rotating connection and matching, a bearing 113a which is axially parallel to the axial direction of the mounting rings is rotatably arranged on one end surface of the mounting rings 112, the bearing 113a is arranged in an array along the circumferential direction of the mounting rings 112, two annular clamping grooves 113b and 113b are coaxially arranged on an outer circumferential surface of the oil squeezing cylinder 110, one of them draw-in groove 113b is located the one end of pressing section of thick bamboo 110 along its axis direction, another draw-in groove 113b is located the other end of pressing section of thick bamboo 110 along its axis direction, bearing 113a and draw-in groove 113b looks adaptation, bearing 113a joint in draw-in groove 113b and with the tank bottom roll fit of draw-in groove 113b, through bearing 113 a's arrangement, can carry out effectual support to pressing section of thick bamboo 113 on the one hand, on the other hand can make a roll pressing section of thick bamboo 120 drive pressing section of thick bamboo 110 and carry out passive rotation around self axis direction.

Specifically, the oil extracting cylinder 110 is a cylinder structure with openings at two ends, the opening at one end of the oil extracting cylinder 110 is coaxially and fixedly provided with a sealing ring 114, the opening at the other end of the oil extracting cylinder 110 is coaxially provided with an annular sealing cover 115 sleeved outside the sealing cover 115, the sealing cover 115 is fixedly connected with a bottom plate 111a, the sealing cover 115 is always communicated with the opening at the other end of the oil extracting cylinder 110, the bottom of the sealing cover 115 is provided with a discharge port 115b, a filter hopper 116 fixedly connected with the bottom plate 111a is arranged below the sealing cover 115, the upper end of the filter hopper 116 is open and the lower end of the filter hopper is closed, the upper end and the lower end of the filter hopper form a closed container, the container formed by the filter hopper 116 is gradually narrowed from top to bottom along the vertical direction, the opening of the filter hopper 116 is positioned right below the discharge port 115b and the openings of the filter hopper are matched in size, the filter screen 116a is arranged obliquely, the corresponding filter hopper 116 above the lower end of the filter screen 116a is vacant, the lower end of the filter screen 116a is provided with a guide plate 116b arranged along the oblique direction of the filter screen 116a, the side surface of the guide plate 116b is turned upwards, the bottom of the filter hopper 116 is provided with an oil drain port 116c communicated with the inside and the outside, and the oil drain port 116c is positioned on one side of the filter hopper 116.

When the edible oil is extracted by the rolling surface of the filter hopper 116 during use, the oil extracting cylinder 110 is inclined towards one side of the sealing cover 115 at a small angle, the extracted edible oil falls into the filter hopper 116 after being filtered by the filter screen 116a and is discharged outwards through the oil discharge port 116c, when the oil is changed into an oil cake, the oil cake is scraped by the oil cake discharging mechanism 150 and falls onto the filter screen 116a, and at the moment, a small amount of edible oil adhered to the oil cake falls into the filter hopper 116 through the filter screen 116 a.

More specifically, in order to drive the oil extracting barrel 110 to tilt at a small angle, a connecting plate 117a fixedly connecting the two mounting rings 112 is disposed between the two mounting rings, the connecting plate 117a is disposed at two sides of the oil extracting barrel 110, a rotating shaft 117b is fixedly disposed at an outer side of the connecting plate 117a, an axial direction of the rotating shaft 117b is horizontally arranged along a radial direction of the oil extracting barrel 110, a landing support frame 118 is disposed below the oil extracting barrel 110, the support frame 118 is sleeved on the rotating shaft 117b and is in rotating connection and matching with the rotating shaft 117b, an inclined driving motor 119a is fixedly disposed on the support frame 118, an axial direction of an output shaft of the inclined driving motor 119a is perpendicular to an axial direction of the rotating shaft 117b, the inclined driving motor 119a and one of the rotating shafts 117b are connected and driven by a worm gear transmission assembly 119b, the inclined driving motor 119a is a stepping motor, and by, the rotation shaft 117b is rotated to tilt the oil extracting barrel 110 at a small angle and the tilt angle can be adjusted.

The rolling cylinder 120 comprises a cylinder body 121 with openings at two ends, the length of the cylinder body 121 is equal to the length of the oil extracting cylinder 110, the diameter of the cylinder body 121 is one fourth to one third of the diameter of the oil extracting cylinder 110, a first circular end cover 122 fixedly connected with the cylinder body 121 is coaxially arranged at the opening at one end of the cylinder body 121 close to the sealing ring 114, the first end cover 122 is embedded in the cylinder body 121 and flush with the opening, the first end cover and the second end cover are fixedly connected through bolts, a driving shaft 123 is coaxially and fixedly arranged on the first end cover 122, the driving shaft 123 extends outwards from the inside of the sealing ring 114, a second circular end cover 123 movably connected and matched with the cylinder body 121 is coaxially arranged at the opening at one end of the cylinder body 121 close to the sealing cover 115, the cylinder body 121 is sleeved outside the second end cover 123 and is rotatably connected and matched with the two, the bearing shaft 124 extends outwards from the insertion port 115a, the bearing shaft 124 can slide up and down on the insertion port 115a, the cylinder 121 is internally provided with a vibrator 125 which is fixedly connected and matched with the second end cover 124 and rotatably connected and matched with the first end cover 122, and the vibrator 125 can generate up-and-down vibration to increase the extrusion pressure of the roller press surface on the boiled oil.

In the process of squeezing and squeezing the cooked oil material by the mutual cooperation of the rolling cylinder 120 and the oil pressing cylinder 110, the cooked oil material is placed in the oil pressing cylinder 110, the cooked oil material is gathered on the inner wall of the lower part of the oil pressing cylinder 110, then the driving rolling cylinder 120 moves vertically downwards and squeezes the cooked oil material, meanwhile, the rotary driving mechanism 140 transmits power to the rolling cylinder 120 through the driving shaft 123 and drives the rolling cylinder 120 to rotate in a reciprocating manner, the vibrator 125 generates vertical vibration and further presses the cooked oil material, then the lifting driving mechanism 130 drives the driving rolling cylinder 120 to gradually move downwards so that the distance between two rolling surfaces is gradually reduced, the cooked oil material is fully rolled in a reciprocating manner, the edible oil in the cooked oil material is extracted, and the cooked oil material is converted into oil cake which is adhered to the inner part of the lower part of the oil pressing cylinder 110.

In order to drive the pressing cylinder 120 up and down, the lifting driving mechanism 130 includes a screw rod 131 disposed between the bottom plate 111a and the top plate 111b, and the axial direction of the screw rod 131 is perpendicular to the axial direction of the oil pressing cylinder 110, the lower end of the screw rod 131 is rotatably disposed on the bottom plate 111a, the upper end is rotatably disposed on the top plate 111b, the screw rods 131 are symmetric in pairs, two of the screw rods 131 are disposed outside the sealing ring 114, the other two screw rods 131 are disposed outside the sealing cover 115, two screw rods 131 disposed on the same side are sleeved with a lifting block 132, the lifting block 132 and the screw rod 131 form a threaded connection and are capable of moving up and down along with the rotation of the screw rods 131, the driving shaft 123 and the bearing shaft 124 are inserted into the lifting block 132 on the corresponding side, and the end of the driving shaft 123/the bearing shaft 124 is rotatably connected and matched with the lifting block 132, the lifting block 132 is moved up and down to drive the up and down movement of the roller 120.

Specifically, in order to drive the four lead screws 131 to synchronously rotate, the lifting driving mechanism 130 further includes a lifting driving motor 133, a first transmission shaft 134 and a second transmission shaft 135, the lifting driving motor 133 is fixedly mounted on the top plate 111b and has an axial direction parallel to the length direction of the top plate 111b, the first transmission shaft 134 is disposed at a middle position of the top plate 111b along the length direction and has an axial direction parallel to the length direction of the top plate 111b, an end position of the first transmission shaft 134 is rotatably connected and matched with the top plate 111b, an axial direction of the second transmission shaft 135 is parallel to the length direction of the top plate 111b and has an end position rotatably connected and matched with the top plate 111b, the second transmission shaft 135 is provided with two transmission shafts and is symmetrically arranged along the length direction parallel to the top plate 111b, the second transmission shaft 135 is disposed at one side of the lifting driving motor 133, the, a second worm and gear transmission assembly 136 for connecting the first lifting driving motor 133 and the first transmission shaft 134 is arranged between the lifting driving motor 133 and the middle position of the first transmission shaft 134, the second worm and gear transmission assembly 136 can transmit the power on the output shaft of the lifting driving motor 133 to the first transmission shaft 134 and drive the first transmission shaft 134 to rotate around the self axis, a first transmission gear set 137 for connecting the first transmission shaft 135 and the second transmission shaft 135 is arranged between the end of the first transmission shaft 135 and the middle position of the second transmission shaft 135, the first transmission gear set 137 can transmit the power on the first transmission shaft 134 to the second transmission shaft 135 and drive the second transmission shaft 135 to rotate around the self axis, a second transmission gear set 138 for connecting the first transmission shaft 135 and the driving end of the screw 131 is arranged between the end of the second transmission shaft 135 and the driving end of the screw 131, and the second transmission gear set, the screw 131 is driven to rotate by the lifting driving motor 133, and the lifting block 132 is driven to move up and down, thereby driving the pressing cylinder 120 to move down/up.

More specifically, in order to avoid oil from splashing out of the oil pressing cylinder 110, the outer portion of the sealing ring 114 is movably provided with a baffle 139 attached to the sealing ring, the baffle 139 is used for blocking an opening formed in the inner circumferential surface of the sealing ring 114, and the baffle 139 is located between the sealing ring 114 and the lifting block 132 and is fixedly connected with the lifting block 132.

In the working process of the lifting driving mechanism 130, when the rolling cylinder 120 needs to move downwards to extrude the cooked oil, the lifting driving motor 133 is started, the worm and gear transmission assembly II 136 transmits the power on the output shaft of the lifting driving motor 133 to the transmission shaft I134, the transmission gear assembly I137 transmits the power on the transmission shaft I134 to the transmission shaft II 135, the transmission gear assembly II 138 transmits the power on the transmission shaft II 135 to the screw rod 131 and drives the screw rod 131 to rotate, the screw rod 131 rotates to drive the lifting block 132 to gradually move downwards, the lifting block 132 drives the rolling cylinder 120 to synchronously move downwards and extrude the cooked oil, then the lifting driving motor 133 is stopped, after the rolling cylinder 120 rotates back and forth around the self axial direction, the cooked oil is rolled and flattened, the lifting driving motor 133 is started again, the lifting driving motor 133 drives the rolling cylinder 120 to gradually feed downwards, the rolling cylinder 120 can fully extrude the boiled oil, after the squeezing is finished, the lifting driving motor 133 is started to rotate reversely, the lifting driving motor 133 drives the screw rod 131 to rotate reversely and enables the lifting block 132 to move upwards for resetting, and the lifting block 132 drives the rolling cylinder 120 to move upwards for resetting.

In order to drive the pressing roller 120 to perform reciprocating rotation, the rotary driving mechanism 140 includes a rotary driving motor 141 and a transmission shaft three 142, the rotary driving motor 141 is fixedly installed on the top plate 111b, and the axial direction of the output shaft thereof is parallel to the axial direction of the screw rod 131, the transmission shaft three 142 is located at one side of the sealing ring 114 and is located between the two screw rods 131 at the corresponding side, the end position of the transmission shaft three 142 is respectively in rotating connection and matching with the bottom plate 111 a/the top plate 111b, the lifting block 132 located at one side of the sealing ring 114 is arranged in a hollow manner, the transmission shaft three 142 movably penetrates through the hollow inner cavity of the lifting block 132, the driving shaft 123 also movably penetrates through the hollow inner cavity of the lifting block 132, a worm gear assembly three 144 for connecting the transmission shaft three 142 and the driving shaft 123 is arranged between the transmission shaft three 142 and the driving shaft 123, and the worm gear assembly three 144 is located in the hollow inner cavity 123 rotates around the self axial direction, in order to drive the third transmission shaft 142 to rotate, a third transmission gear set 143 for connecting the output shaft of the rotary driving motor 141 and the driving end of the third transmission shaft 142 is arranged between the output shaft of the rotary driving motor 141 and the driving end of the third transmission shaft 142, and the third transmission gear set 143 can transmit the power on the output shaft of the rotary driving motor 141 to the third transmission shaft 142 and drive the third transmission shaft 142 to rotate.

In the working process of the rotary driving mechanism 140, when the stick pressing is required to be performed on the cooked oil material, the rotary driving motor 141 is started, the third transmission gear set 143 transmits the power on the output shaft of the rotary driving motor 141 to the third transmission shaft 142 and drives the third transmission shaft 142 to rotate around the self axial direction, the third worm and gear transmission assembly 144 transmits the power on the third transmission shaft 142 to the driving shaft 123 and drives the driving shaft 123 to rotate, the rotary driving motor 141 alternately performs forward rotation and reverse rotation, so that the driving shaft 123 alternately performs clockwise rotation and counterclockwise rotation around the self axial direction, and the rolling cylinder 120 reciprocally rotates around the self axial direction to reciprocally press the cooked oil material.

In order to discharge the oil cake, the oil cake adhered to the inner wall of the oil pressing cylinder 110 needs to be scraped and pushed to the discharge port 115b, for this purpose, the oil cake discharge mechanism 150 includes an arc-shaped scraping plate 151 disposed in the oil pressing cylinder 110, the scraping plate 151 is substantially in one of three annular structures, the diameter of the outer circular surface of the scraping plate 151 is equal to the diameter of the inner circular surface of the oil pressing cylinder 110, the scraping plate 151 is tightly attached to the lower inner wall of the oil pressing cylinder 110 and moves from one end of the oil pressing cylinder 110 to the other end, an accommodating groove with a negative profile adapted to the scraping plate 151 is formed on the inner surface of the sealing ring 114, the initial position of the scraping plate 151 is embedded in the accommodating groove, in order to avoid the influence on the matching of the oil pressing cylinder 120 and the oil pressing cylinder 110, a rack 159 is fixedly disposed at the end position of the scraping plate 151 along the circumferential direction, the length direction of the rack 159 is parallel to the axial direction of the oil pressing cylinder 110, the highest position of the rolling surface point of the, one end of the rack 159 is fixedly connected with the end of the scraping plate 151, and the other end movably penetrates through the sealing cover 115 to extend outwards, and the rack 159 is driven to slide towards the outside of the oil extracting barrel 110, so that the scraping plate 151 is driven to scrape oil cakes, and the scraped oil cakes are pushed to the discharge opening 115 b.

Specifically, in order to drive the rack 159 to slide outwards, the oil cake discharge mechanism 150 further includes a mounting bracket 152 fixedly disposed on the bottom plate 111a and located outside the sealing cover 115, the mounting bracket 152 is fixedly provided with a discharge drive motor 153, rotatably provided with a drive shaft four 154, and rotatably provided with a drive shaft five 155, an axial direction of an output shaft of the discharge drive motor 153 is parallel to an axial direction of the screw rod 131, an axial direction of the drive shaft four 154 is perpendicular to an axial direction of an output shaft of the discharge drive motor 153, an axial direction of the drive shaft five 155 is parallel to an axial direction of an output shaft of the discharge drive motor 153, the drive shaft five 155 is provided with two sets and corresponds to the rack 159 one by one, a worm and gear drive assembly four 156 for connecting the output shaft of the discharge drive motor 153 and a middle position of the drive shaft four 154 is disposed between the output shaft of the discharge drive motor 153 and the drive shaft four 154, the worm, a driving gear set four 157 used for connecting the driving shaft four 154 and the driving shaft five 155 is arranged between the end part of the driving shaft four 154 and the driving end of the driving shaft five 155, the driving gear set four 157 can transmit the power of the driving shaft four 154 to the driving shaft five 155 and drive the driving shaft five 155 to rotate, a power output gear 158 is coaxially and fixedly sleeved on the output end of the driving shaft five 155, the power output gear 158 is meshed with a rack 159, and the rack 159 is driven by an outer-row driving motor 153 to slide towards the outside of the oil extracting cylinder 110.

In order to fry raw oil materials into cooked oil materials, the frying mechanism 210 comprises a frying barrel 211 fixedly arranged above a top plate 111b, the frying barrel 211 is of a barrel-shaped structure with an upward opening, a barrel cover 212 capable of being opened and arranged is arranged at the opening of the frying barrel 211, a heating device 213 is wrapped on the outer circular surface of the frying barrel 211, the frying barrel 211 is made of a material with good heat conductivity, in order to facilitate the matching of the barrel cover 212 and the frying barrel 211, a guide column 214 which extends upwards and is vertical to the plane of the top plate 111b is fixedly arranged on the top plate 111b, the height of the guide column 214 is larger than that of the frying barrel 211, a lifting sliding sleeve 215 is coaxially and slidably sleeved on the guide column 214, a heat insulation arm 216 for connecting and fixing the outer circular surface of the lifting sliding sleeve 215 and the upper end surface of the barrel cover 212 is arranged between the outer circular surface of the lifting sliding sleeve 215 and the upper end surface of the barrel cover 212, and in order, the lifting sliding sleeve 215 is provided with a fixing knob 217 which is arranged along the radial direction in a penetrating manner, the fixing knob 217 and the lifting sliding sleeve 215 form threaded connection matching, one end of the fixing knob 217 is manually rotated by a user, the other end of the fixing knob 217 can be abutted and fixed with the outer circular surface of the guide post 214, the lifting sliding sleeve 215 is fixed on the guide post 214, the barrel cover 212 is fixedly pressed and covered at the opening of the frying barrel 211, the operation flow of opening the barrel cover 212 is that the fixing knob 217 is loosened outwards, the lifting sliding sleeve 215 slides upwards along the guide post 214, then the lifting sliding sleeve 215 is rotated, the fixing knob 217 is screwed down, and the barrel cover 212 is moved out from the opening of the frying barrel 211.

Specifically, in order to improve the efficiency of the heating device 213 frying the oil, a stirring member 230 is arranged in the frying barrel 211, the stirring member 230 includes a stirring shaft 231 coaxially and movably arranged in the frying barrel 211, the bottom end of the stirring shaft 231 is rotatably connected and matched with the barrel bottom of the frying barrel 211 through a rotating connecting piece 232, the top end of the stirring shaft extends to the opening of the frying barrel 211, a connecting rod 233 which extends along the radial direction of the stirring shaft 231 is fixedly arranged on the outer circumferential surface of the stirring shaft 231 close to the top end, the connecting rod 233 extends to the middle position of the inner wall of the frying barrel 211, the connecting rod 233 is provided with four stirring plates 234 which are arranged in an array along the circumferential direction of the stirring shaft 231, the connecting rod 233 extends to a vertically downward extending stirring plate 234 which is fixedly arranged, the stirring plate 234 is driven to rotate by driving the stirring shaft 231 to synchronously rotate around the axis of the stirring shaft 231, so as, the efficiency of the fever is promoted.

More specifically, in order to avoid bottom-pasting of the oil at the bottom of the frying barrel 211, a second stirring plate 235 extending radially outward along the outer circle of the stirring shaft 231 is further provided, the second stirring plate 235 extends to be close to the inner wall of the frying barrel 211, the second stirring plate 235 is provided with four stirring plates and is arranged in an array manner along the circumferential direction of the stirring shaft 231, the cross section of the second stirring plate 235 is set to be a right triangle, the bottom surface of the second stirring plate is attached to the bottom of the frying barrel 211, the distance between the inclined surface of the second stirring plate 235 and the bottom of the frying barrel 211 is gradually reduced along the circumferential direction of the rotation of the stirring shaft 231, the oil clinging to the bottom of the frying barrel 211 is stir-fried through the second stirring plate 235, and bottom-pasting of the oil at the bottom of the frying barrel 211 is avoided.

More specifically, in order to drive the stirring shaft 231 to rotate, the upper end surface of the barrel cover 212 is fixedly provided with the stirring motor 236, the top end of the stirring shaft 231 is arranged in a shape of an external spline groove, an output shaft of the stirring motor 236 extends to the lower end surface of the barrel cover 212, and the end part of the output shaft is arranged in a shape of a sleeve with an internal spline groove, when the barrel cover 212 covers the stir-frying barrel 211, the output shaft of the stirring motor 236 is combined with the stirring shaft 231.

In the working process of the material frying mechanism 210, a user opens the barrel cover 212, raw oil materials are placed in the material frying barrel 211, the barrel cover 212 is covered, meanwhile, the heating device 213 and the stirring motor 236 are started, the heating device 213 transfers heat to the raw oil materials in the raw oil materials through the material frying barrel 211, the temperature of the raw oil materials is gradually increased, the stirring motor 236 drives the stirring shaft 231 to rotate around the axial direction of the stirring motor, the stirring shaft 231 drives the first stirring plate 234 and the second stirring plate 235 to rotate and continuously stir and fry the oil materials, and the raw oil materials are rapidly fried into cooked oil materials.

In order to quantitatively convey the cooked oil to the oil pressing cylinder 110, the quantitative conveying mechanism 220 includes a thin-wall outer cylinder 221 with two end openings arranged in an axial horizontal manner, the outer cylinder 221 is located below the frying cylinder 211, a cover plate 222 in sealing connection and matching with the opening of the outer cylinder 221 is provided at the opening, an input port 223 and an output port 224 communicated with the inner part of the outer cylinder 221 are provided on the outer circumferential surface of the outer cylinder 221, the input port 223 and the output port 224 are arranged in an up-and-down symmetrical manner along the axial direction of the outer cylinder 221, the input port 223 is located above the output port 224, the input port 223 is communicated with the eccentric position of the frying cylinder 211, the output port 224 is communicated with an inclined feeding conduit 225, the feeding conduit 225 is arranged in a downward inclined manner and is inserted into the oil pressing cylinder 110 through a gap between the baffle 139 and the sealing ring 114, in order to realize quantitative conveying, an inner solid inner, the outer circular surface of the inner cylinder 226 is rotationally attached to the inner wall of the outer cylinder 221, a cylindrical quantifying groove 227 is formed in the outer circular surface of the inner cylinder 226 along the radial direction of the outer circular surface, the size of an opening of the quantifying groove 227 is consistent with the size of the input port 223/the output port 224, the quantifying groove 227 is aligned and communicated with the output port 224 in an initial state, the inner cylinder 226 is driven to rotate, a stepping motor 228 is fixedly arranged on the end cover 222, an output shaft of the stepping motor 228 movably penetrates through the end cover 222 to be coaxially and fixedly connected with the inner cylinder 226, the quantifying groove 227 is communicated with the input port 223 through driving the inner cylinder 226 to rotate for a half circle, boiled oil is received, the inner cylinder 226 is driven to rotate for a half circle, the quantifying groove 227 is communicated with the output port 224, the boiled oil is poured out from the quantifying groove 227 and slides into the oil pressing cylinder.

In the working process of the quantitative conveying mechanism 220, when the boiled oil needs to be conveyed into the oil pressing cylinder 110, the stepping motor 228 is started, the stepping motor 228 drives the inner cylinder 226 to rotate for half a circle around the axial direction of the stepping motor 228, so that the quantitative groove 227 is aligned and communicated with the input port 223, the boiled oil is filled in the quantitative groove 227, then the stepping motor 228 drives the inner cylinder 226 to rotate for half a circle around the axial direction of the stepping motor 228, so that the quantitative groove 227 is aligned and communicated with the output port 224, the boiled oil is poured out from the quantitative groove 227 and is guided into the oil pressing cylinder 110 through the feeding conduit 225, and the quantitative conveying of the boiled oil is realized through the measurement of the quantitative groove 227, wherein the conveying amount is N times of the volume of the quantitative.

Claims

1. The synchronous rolling type walnut oil extracting method comprises the following steps:

firstly, frying materials;

(II) oil pressing stage;

(III) oil cake discharging stage;

2. The synchronous rolling type walnut oil extracting method according to claim 1, wherein the lifting driving mechanism further comprises a lifting driving motor, a first transmission shaft and a second transmission shaft, the lifting driving motor is fixedly installed on the top plate and the axial direction of the lifting driving motor is parallel to the length direction of the top plate, the first transmission shaft is arranged in the middle of the top plate along the length direction and the axial direction of the first transmission shaft is parallel to the length direction of the top plate, the end position of the first transmission shaft is rotatably connected and matched with the top plate, the axial direction of the second transmission shaft is parallel to the length direction of the top plate and the end position of the second transmission shaft is rotatably connected and matched with the top plate, the second transmission shaft is provided with two transmission shafts and symmetrically arranged along the length direction parallel to the top plate, the second transmission shaft is arranged on one side of the lifting driving motor, the second transmission shaft is arranged between the driving ends of the, the worm and gear transmission assembly II can transmit power on an output shaft of the lifting driving motor to the transmission shaft I and drive the transmission shaft I to rotate around the axis of the transmission shaft I, a transmission gear group I used for connecting the transmission shaft I and the transmission shaft II is arranged between the end part of the transmission shaft I and the middle position of the transmission shaft II, the transmission gear group I can transmit the power on the transmission shaft I to the transmission shaft II and drive the transmission shaft II to rotate around the axis of the transmission shaft II, a transmission gear group II used for connecting the transmission shaft II and the driving end of the screw rod is arranged between the end part of the transmission shaft II and the driving end of the screw rod, and the transmission gear group II can transmit the.

3. The method for extracting walnut oil by synchronous rolling according to claim 1, wherein a baffle plate is movably arranged outside the sealing ring and attached to the sealing ring, the baffle plate is used for plugging an opening formed on the inner circular surface of the sealing ring, and the baffle plate is positioned between the sealing ring and the lifting block and is fixedly connected with the lifting block.

4. The method for extracting walnut oil by synchronous rolling according to claim 1, wherein the rotary driving mechanism comprises a rotary driving motor and a third transmission shaft, the rotary driving motor is fixedly arranged on the top plate, the axial direction of an output shaft of the rotary driving motor is parallel to the axial direction of the screw rods, the third transmission shaft is positioned at one side of the sealing ring and positioned between the two screw rods at the corresponding side, the end position of the third transmission shaft is respectively in rotating connection and matching with the bottom plate/the top plate, the lifting block at one side of the sealing ring is arranged in a hollow manner, the third transmission shaft movably penetrates through a hollow inner cavity of the lifting block, the driving shaft also movably penetrates through the hollow inner cavity of the lifting block, a third worm and gear transmission assembly for connecting the third transmission shaft and the driving shaft is arranged between the third transmission shaft and the driving shaft, the third worm and gear transmission assembly can transmit power on the third transmission shaft to the, and a third transmission gear set for connecting the output shaft of the rotary driving motor and the third driving end of the transmission shaft is arranged between the output shaft of the rotary driving motor and the third driving end of the transmission shaft, and the third transmission gear set can transmit power on the output shaft of the rotary driving motor to the third transmission shaft and drive the third transmission shaft to rotate.

5. The method for extracting walnut oil according to claim 1, wherein the frying mechanism comprises a frying barrel fixed above a top plate, the frying barrel is of a barrel-shaped structure with an upward opening, a barrel cover is arranged at the opening of the frying barrel and can be opened, a heating device is wrapped on the outer circumferential surface of the frying barrel, the frying barrel is made of a material with good heat conductivity, a guide pillar extending upward perpendicular to the plane of the top plate is fixedly arranged on the top plate, the height of the guide pillar is greater than that of the frying barrel, a lifting sliding sleeve is coaxially slidably sleeved on the guide pillar, a heat insulation arm for connecting and fixing the outer circumferential surface of the lifting sliding sleeve and the upper end surface of the barrel cover is arranged between the outer circumferential surface of the lifting sliding sleeve and the upper end surface of the barrel cover, a fixing knob arranged along the radial direction of the lifting sliding sleeve is penetrated through the lifting sliding sleeve and is in threaded connection with the lifting sliding sleeve, one end of the fixing knob is manually, The other end of the guide post can be fixed against the outer circle surface of the guide post.

6. The method for extracting walnut oil according to claim 5, wherein a stirring member is disposed in the frying barrel, the stirring member comprises a stirring shaft coaxially and movably disposed in the frying barrel, the bottom end of the stirring shaft is rotatably connected and matched with the bottom of the frying barrel through a rotating connecting piece, the top end of the stirring shaft extends to the opening of the frying barrel, a connecting rod extending radially outward is fixedly disposed on the outer circumferential surface of the stirring shaft near the top end, the connecting rod extends to a middle position between the stirring shaft and the inner wall of the frying barrel, the connecting rod is provided with four connecting rods and is arranged in an array along the circumferential direction of the stirring shaft, and the connecting rod extends to a first stirring plate which is fixedly disposed and vertically extends downward.

7. The method for extracting walnut oil by synchronous rolling according to claim 6, wherein the outer circle of the stirring shaft is further provided with two stirring plates extending outward along the radial direction of the stirring shaft and extending close to the inner wall of the frying barrel, the two stirring plates are provided with four stirring plates and arranged in an array along the circumferential direction of the stirring shaft, the cross section of each stirring plate is a right triangle, the bottom surface of each stirring plate is attached to the bottom of the frying barrel, and the distance between the inclined surface of each stirring plate and the bottom of the frying barrel is gradually reduced along the circumferential direction of the rotation of the stirring shaft.

8. The method for extracting walnut oil according to claim 6 or 7, wherein a stirring motor is fixedly arranged on the upper end surface of the barrel cover, the top end of the stirring shaft is arranged in a shape of an external spline groove, the output shaft of the stirring motor extends to the lower end surface of the barrel cover, the end part of the output shaft is arranged in a shape of a sleeve with an internal spline groove, and the output shaft of the stirring motor is combined with the stirring shaft when the barrel cover is covered on the frying barrel.

9. The method for extracting walnut oil by synchronous rolling according to claim 1, wherein the quantitative conveying mechanism comprises a thin-walled outer cylinder which is arranged horizontally in the axial direction and has two ends open, the outer cylinder is located below the frying barrel, a cover plate which is hermetically connected and matched with the opening of the outer cylinder is arranged at the opening of the outer cylinder, an input port and an output port which are connected and communicated with the inner side of the outer cylinder are arranged on the outer circumferential surface of the outer cylinder, the input port and the output port are arranged in an up-and-down symmetrical manner along the axial direction of the outer cylinder, the input port is located above the output port, the input port is connected and communicated with the eccentric position of the frying barrel, an inclined feeding conduit is arranged in the output port in a communicating manner, the feeding conduit is arranged in a downward inclined manner and is inserted into the oil extracting cylinder from a gap between a baffle plate and a sealing ring, a solid inner cylinder which is matched, the opening size of the quantitative groove is consistent with the size of the input port/output port, the quantitative groove is aligned and communicated with the output port in an initial state, the end cover is fixedly provided with the stepping motor, and the output shaft of the stepping motor movably penetrates through the end cover to be coaxially and fixedly connected with the inner cylinder.