CN115923221A

CN115923221A - Rapeseed oil squeezing device and production method

Info

Publication number: CN115923221A
Application number: CN202211689779.3A
Authority: CN
Inventors: 段胜文; 王飞
Original assignee: Anren County Huifeng Agricultural Technology Development Co ltd
Current assignee: Anren County Huifeng Agricultural Technology Development Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-04-07

Abstract

The invention belongs to the technical field of rapeseed oil production, and particularly relates to a rapeseed oil squeezing device and a rapeseed oil squeezing method.

Description

Rapeseed oil squeezing device and production method

Technical Field

The invention relates to the technical field of rapeseed oil production, in particular to a rapeseed oil squeezing device and a rapeseed oil production method.

Background

Rapeseed oil is commonly called rapeseed oil, namely rapeseed oil, coriander oil, canola oil, sesame oil and canola oil, is edible oil extracted from rapeseed, and is one of the main edible oils in China.

According to the invention, a plurality of spiral pushing pieces are sleeved on the outer wall of a rotating shaft at equal intervals, spiral crushing blades are sleeved between the spiral pushing pieces on the outer wall of the rotating shaft close to a motor, rapeseed in the device can be conveyed under the action of the spiral pushing pieces, and the rapeseed to be pressed can be preliminarily crushed by the spiral crushing blades, so that the speed and the efficiency of subsequent oil pressing are improved.

However, this device has the following disadvantages:

1. the device filters through the filter plate, and because the rapeseed is squeezed through the squeezing wheel disc, part of the rapeseed is squeezed out through the filter plate during squeezing, and the rapeseed squeezed out from the filter plate cannot be thoroughly squeezed;

2. and finally, filtering by using a fine filtering plate, wherein the fine filtering plate has smaller filtering holes and is denser, so that blockage can be caused if the fine filtering plate is not cleaned in time.

Disclosure of Invention

The invention provides a rapeseed oil squeezing device and a rapeseed oil production method, which solve the problems that in the prior art, filtration is carried out through a filter plate, and due to the fact that squeezing is carried out through a squeezing wheel disc, part of rapeseed is squeezed out through the filter plate during squeezing, and the rapeseed squeezed out from the filter plate cannot be thoroughly squeezed; and finally, filtering is carried out through the fine filtering plate, and because the filtering holes of the fine filtering plate are smaller and denser, the fine filtering plate has the defect of blockage caused by untimely cleaning.

The invention provides the following technical scheme:

a rapeseed oil pressing device comprises:

the device comprises two supports, wherein the tops of the two supports are fixedly connected with squeezing cylinders, a feed hopper is arranged above the squeezing cylinders, a squeezing cavity and a conveying cavity are formed in the squeezing cylinders, the inner wall of the conveying cavity is connected with a second spiral conveying shaft in a penetrating and rotating manner, the inner wall of the squeezing cavity is connected with a spiral squeezing roller in a penetrating and rotating manner, the spiral squeezing roller is fixedly connected with the second spiral conveying shaft, an oil control cylinder is fixedly sleeved on the outer wall of the spiral squeezing roller, a squeezing spiral sheet is fixedly wound on the outer wall of the oil control cylinder, one side of each support is provided with a plurality of second discharge holes, the second discharge holes are communicated with the inner wall of the oil control cylinder, the oil control cylinder is rotatably connected with the conveying cavity, one side of each support is fixedly connected with a discharge pipe, the plurality of second discharge holes are positioned in the discharge pipes, one side of each squeezing cylinder is fixedly connected with a first discharge hole in a penetrating manner, the first discharge holes are communicated with the oil control cylinder and the squeezing cylinders, one side of one support is fixedly connected with a first motor, and the first motor is in transmission connection with the second spiral conveying shaft through a synchronizing wheel and a synchronizing belt;

one opposite sides of the two brackets are fixedly connected with a precipitation box, one side of each bracket is provided with a crushing box, and the crushing box is positioned below the first discharge port and the discharge pipe;

the cleaning assembly is arranged in the sedimentation box and used for cleaning the sedimentation box;

and the crushing assembly is arranged in the crushing box and used for crushing the extruded residues.

In a possible design, its characterized in that with, the clearance subassembly includes four fixed blocks of fixed connection in the symmetry setting of depositing box bottom inner wall, wherein two relatively the same slide bar of one side fixedly connected with relative of fixed block, two otherwise relative one side of fixed block is rotated and is connected with reciprocal lead screw, the outer wall slip cover of slide bar is equipped with the scraper blade, the scraper blade runs through threaded connection with reciprocal lead screw, one side of depositing the box runs through fixedly connected with oil outlet plate.

In a possible design, crushing unit includes that the through rotation connects the first crushing roller and the second crushing roller at broken incasement wall, the fixed cover of outer wall of first crushing roller is equipped with the second and smashes the piece, the fixed cover of outer wall that the second smashed the roller is equipped with first crushing piece, first crushing piece and second smash the piece and crisscross each other, the inner wall fixedly connected with baffle of broken case, the baffle is located the below that first crushing piece and second smashed the piece, the fixed cover of outer wall of first crushing roller is equipped with the second gear, the fixed cover of outer wall that the second smashed the roller is equipped with the first gear with second gear engaged with.

In a possible design, one side fixedly connected with second motor of broken case, the output shaft of second motor passes through synchronizing wheel, hold-in range and is connected with the transmission of second crushing roller, the right side support is run through to the one end of reciprocal lead screw, first crushing roller passes through synchronizing wheel, hold-in range and is connected with the transmission of reciprocal lead screw.

In a possible design, the opposite sides of the two supports are fixedly connected with the same filter cylinder in a penetrating mode, the inner wall of the filter cylinder is connected with a first spiral conveying shaft in a penetrating mode, the first spiral conveying shaft is in transmission connection with a first motor through a synchronizing wheel and a synchronizing belt, the filter cylinder is in communication connection with the squeezing cylinder through a plurality of second connecting pipelines, and a plurality of through holes are formed in the bottom of the filter cylinder.

In a possible design, the fixing block is inserted into the same filtering frame at the opposite side of the precipitation box, and the outer end of the filtering frame is fixedly connected with a filtering plate.

In a possible design, a lifting machine penetrates through and is fixedly connected to the top of the crushing box, a first connecting pipeline penetrates through and is fixedly connected to the top of the pressing cylinder, the same conveyor penetrates through and is fixedly connected between the first connecting pipeline and the lifting machine, and the feeding hopper penetrates through and is fixedly connected to the top of the conveyor.

A rapeseed oil production method comprises the following steps:

s1, firstly, pouring rapeseeds into a conveyor through a feed hopper, starting the conveyor, conveying the rapeseeds into a pressing cylinder, starting a first motor, driving a second spiral conveying shaft to rotate through a synchronizing wheel and a synchronous belt to convey the rapeseeds into an oil control cylinder, simultaneously pressing the rapeseeds through a spiral pressing roller, extruding the pressed rapeseeds through a second discharge port and a discharge pipe, further pressing the rapeseeds extruded through the oil control cylinder through a pressing spiral sheet, and finally extruding the rapeseeds through a first discharge port, wherein the pressed oil and impurities flow into the first discharge port through a second connecting pipeline, and the oil flows into a settling box through a filter cylinder to be settled;

s2, driving a first spiral conveying shaft to rotate by a first motor through a synchronous wheel and a synchronous belt, conveying impurities in the filter cartridge out by the rotation of the first spiral conveying shaft, and dropping the rapeseed conveyed out of the discharge pipe, the first discharge hole and the filter cartridge into a crushing box;

s3, a second motor is started, the second motor can electrically drive a second crushing roller to rotate through a synchronizing wheel and a synchronizing belt, so that the first crushing roller can be driven to rotate reversely through a first gear and a second gear, the extruded rapeseeds can be crushed through a first crushing sheet and a second crushing sheet, and the crushed rapeseeds flow to the inner wall of the bottom of the crushing box through a baffle plate;

s4, simultaneously, the first crushing roller rotates to drive a reciprocating screw rod to rotate through a synchronous wheel and a synchronous belt, the reciprocating screw rod can drive a scraper to reciprocate on a sliding rod, precipitates deposited on the inner wall of the bottom of the precipitation box can be pushed into a filter frame through the reciprocating motion of the sliding rod, and then the precipitates are further filtered through a filter plate;

s5, after the smashing is completed, a lifter is started, the lifter conveys the rapeseeds in the smashing box into the conveyor and then squeezes the rapeseeds again, the rapeseeds are squeezed more thoroughly, after the secondary squeezing and smashing are completed, a door on the smashing box is opened to take out the rapeseed residues in the smashing box, then new rapeseeds are placed in a feed hopper, and the circular squeezing is continued.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

According to the invention, the rapeseed is poured into the conveyor through the feed hopper, the conveyor is started, the rapeseed can be conveyed into the pressing cylinder, the first motor is started, the first motor drives the second spiral conveying shaft to rotate through the synchronizing wheel and the synchronous belt, the rapeseed can be conveyed into the oil control cylinder, the rapeseed is pressed through the spiral pressing roller, the pressed rapeseed is extruded through the second discharge port and the discharge pipe, the rapeseed extruded through the oil control cylinder is further pressed through the pressing spiral sheet and finally extruded through the first discharge port, the pressed oil and impurities flow into the first discharge port through the second connecting pipeline, and the oil flows into the settling box through the filter cylinder to be settled;

according to the invention, a first motor can drive a first spiral conveying shaft to rotate through a synchronous wheel and a synchronous belt, the first spiral conveying shaft can convey impurities out of the interior of a filter cylinder through rotation, and a discharge pipe, a first discharge hole and rapeseeds conveyed out of the filter cylinder fall into a crushing box;

according to the invention, the second motor is started, the second motor can electrically drive the second crushing roller to rotate through the synchronous wheel and the synchronous belt, so that the first crushing roller can be driven to rotate reversely through the first gear and the second gear, the extruded rapeseeds can be crushed through the first crushing sheet and the second crushing sheet, and the crushed rapeseeds flow to the inner wall of the bottom of the crushing box through the baffle plate;

according to the invention, the first crushing roller rotates and can drive the reciprocating screw rod to rotate through the synchronous wheel and the synchronous belt, the reciprocating screw rod can drive the scraper plate to reciprocate on the sliding rod, precipitates deposited on the inner wall of the bottom of the precipitation box can be pushed into the filter frame through the reciprocating motion of the sliding rod, and then the precipitates are further filtered through the filter plate;

according to the invention, after the crushing is finished, the hoister is started, the hoister conveys the rapeseeds in the crushing box into the conveyor and then carries out squeezing again, so that the rapeseeds are squeezed more thoroughly, after the secondary squeezing and crushing are finished, a door on the crushing box is opened to take out the rapeseed residues in the crushing box, then new rapeseeds are placed in the feed hopper, and the circular squeezing is continued;

according to the invention, through setting the oil control cylinder and the squeezing spiral sheet, the rapeseed dregs extruded from the oil control cylinder can be further squeezed to be completely squeezed once, then the second crushing sheet and the first crushing sheet are used for crushing, one side of the crushed rapeseed dregs is squeezed to be more thorough after crushing, and the reciprocating lead screw drives the scraper plate to reciprocate so as to clean the sediment deposited in the sedimentation box and keep the sediment clean.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a rapeseed oil pressing device provided by an embodiment of the present invention;

FIG. 2 is a three-dimensional schematic diagram of another perspective view of a rapeseed oil pressing device according to an embodiment of the present invention;

fig. 3 is a schematic partial cross-sectional view of a rapeseed oil pressing apparatus according to an embodiment of the present invention;

fig. 4 is a schematic view of a spiral press roll of the rapeseed oil pressing device provided by the embodiment of the present invention;

FIG. 5 is a schematic diagram of a cleaning assembly of a rapeseed oil pressing device according to an embodiment of the present invention;

FIG. 6 is another view of FIG. 5;

FIG. 7 is a schematic cross-sectional view of a crushing box of a rapeseed oil pressing device provided by an embodiment of the invention;

fig. 8 is another view of fig. 7.

Reference numerals:

1. a support; 2. a press cylinder; 3. a filter cartridge; 4. a settling box; 5. a filter frame; 6. a first motor; 7. a first connecting pipe; 8. a conveyor; 9. a feed hopper; 10. a hoist; 11. a crushing box; 12. a first screw conveying shaft; 13. a first discharge port; 14. a discharge pipe; 15. a second connecting pipe; 16. a pressing chamber; 17. a delivery lumen; 18. a second screw conveying shaft; 19. a screw press roll; 20. an oil control cylinder; 21. pressing a screw blade; 22. a second discharge port; 23. a fixed block; 24. a squeegee; 25. a reciprocating screw rod; 26. an oil outlet plate; 27. a filter plate; 28. a slide bar; 29. a first crushing roller; 30. a second crushing roller; 31. a first crush lobe; 32. a second crushing sheet; 33. a baffle plate; 34. a first gear; 35. a second gear; 36. a second motor.

Detailed Description

The embodiments of the present invention will be described below with reference to the drawings.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "mounted" are to be interpreted broadly, e.g., "connected" may or may not be detachably connected; may be directly connected or indirectly connected through an intermediate. Further, "communication" may be direct communication or indirect communication through an intermediary. The term "fixed" means that they are connected to each other and the relative positional relationship after the connection is not changed. Reference will now be made in detail to the present embodiments of the invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout, and wherein like reference numerals refer to like elements throughout.

In the embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the embodiment of the present invention, "and/or" is only one kind of association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present invention. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather mean "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless otherwise specifically stated.

Example 1

Referring to fig. 1 to 3, a pressing apparatus of rapeseed oil includes:

the squeezing device comprises two supports 1, wherein the tops of the two supports 1 are fixedly connected with squeezing cylinders 2, a feed hopper 9 is arranged above the squeezing cylinders 2, squeezing cavities 16 and conveying cavities 17 are formed in the squeezing cylinders 2, the inner walls of the conveying cavities 17 are connected with second spiral conveying shafts 18 in a penetrating and rotating mode, the inner walls of the squeezing cavities 16 are connected with spiral squeezing rollers 19 in a penetrating and rotating mode, the spiral squeezing rollers 19 are fixedly connected with the second spiral conveying shafts 18, oil control cylinders 20 are fixedly sleeved on the outer walls of the spiral squeezing rollers 19, squeezing spiral sheets 21 are fixedly wound on the outer walls of the oil control cylinders 20, a plurality of second discharge ports 22 are formed in one sides of the supports 1, the second discharge ports 22 are communicated with the inner walls of the oil control cylinders 20, the oil control cylinders 20 are rotatably connected with the conveying cavities 17, discharge pipes 14 are fixedly connected to one sides of the supports 1, the second discharge ports 22 are located in the discharge pipes 14, a first discharge port 13 is fixedly connected to one side of the squeezing cylinders 2 in a penetrating and rotating mode, the first discharge port 13 is communicated with the oil control cylinders 20 and the squeezing cylinders 2, a first motor 6 is fixedly connected to one side of one of the supports 1, and the first motor 6 is connected with the second spiral conveying shafts 18 through a synchronous belt;

one opposite sides of the two supports 1 are fixedly connected with a precipitation box 4, one side of each support 1 is provided with a crushing box 11, and the crushing boxes 11 are positioned below a first discharge hole 13 and a discharge pipe 14;

the cleaning component is arranged in the sedimentation box 4 and used for cleaning the sedimentation box 4;

broken subassembly, the setting is used for smashing the residue of extruding in broken case 11, when the vegetable seed gets into in the transport chamber 17 among the above-mentioned technical scheme, start first motor 6, first motor 6 passes through the synchronizing wheel, the hold-in range drives second auger delivery axle 18 and rotates and to carry into accuse oil cylinder 20 with the rape seed in, squeeze roller 19 through the spiral simultaneously and squeeze the rape seed, the rape seed after squeezing extrudes through second discharge gate 22 and discharging pipe 14, the rape seed of extruding through accuse oil cylinder 20 further squeezes through squeezing flight 21, extrude through first discharge gate 13 at last, the oil of squeezing out is through squeezing 2 flows and deposit in the case 4 that advances to deposit, can clear up the case 4 that deposits through the clearance subassembly, can smash the rape seed after squeezing through broken subassembly.

Referring to fig. 5 and 6, its characterized in that with, the clearance subassembly includes four fixed blocks 23 that fixed connection set up at the symmetry of depositing box 4 bottom inner wall, wherein the same slide bar 28 of relative one side fixedly connected with of two relative fixed blocks 23, the relative one side of two other fixed blocks 23 rotates and is connected with reciprocal lead screw 25, the outer wall slip cover of slide bar 28 is equipped with scraper blade 24, scraper blade 24 and reciprocal lead screw 25 run through threaded connection, one side of depositing box 4 runs through fixedly connected with oil outlet plate 26, can drive scraper blade 24 reciprocating motion on slide bar 28 through rotating reciprocal lead screw 25 among the above-mentioned technical scheme, will deposit and clear up at the deposit of depositing box 4 bottom inner wall, make it keep clean.

Referring to fig. 7 and 8, the crushing assembly comprises a first crushing roller 29 and a second crushing roller 30 which are rotatably connected to the inner wall of the crushing box 11 in a penetrating manner, a second crushing sheet 32 is fixedly sleeved on the outer wall of the first crushing roller 29, a first crushing sheet 31 is fixedly sleeved on the outer wall of the second crushing roller 30, the first crushing sheet 31 and the second crushing sheet 32 are staggered with each other, a baffle 33 is fixedly connected to the inner wall of the crushing box 11, the baffle 33 is positioned below the first crushing sheet 31 and the second crushing sheet 32, a second gear 35 is fixedly sleeved on the outer wall of the first crushing roller 29, a first gear 34 meshed with the second gear 35 is fixedly sleeved on the outer wall of the second crushing roller 30, the first gear 35 and the first gear 34 are meshed in the technical scheme, so that the rotating directions of the first crushing roller 29 and the second crushing roller 30 are opposite, the crushed rapeseed can be crushed, and the crushed rapeseed can be crushed again, and the crushed rapeseed can be conveniently and be crushed again.

Example 2

Referring to fig. 1 to 3, a pressing apparatus of rapeseed oil includes:

the oil control device comprises two supports 1, wherein the tops of the two supports 1 are fixedly connected with a squeezing cylinder 2, a feed hopper 9 is arranged above the squeezing cylinder 2, a squeezing cavity 16 and a conveying cavity 17 are formed in the squeezing cylinder 2, the inner wall of the conveying cavity 17 is connected with a second spiral conveying shaft 18 in a penetrating and rotating mode, the inner wall of the squeezing cavity 16 is connected with a spiral squeezing roller 19 in a penetrating and rotating mode, the spiral squeezing roller 19 is fixedly connected with the second spiral conveying shaft 18, an oil control cylinder 20 is fixedly sleeved on the outer wall of the spiral squeezing roller 19, a squeezing spiral sheet 21 is fixedly wound on the outer wall of the oil control cylinder 20, a plurality of second discharge ports 22 are formed in one side of each support 1, the second discharge ports 22 are communicated with the inner wall of the oil control cylinder 20, the oil control cylinder 20 is rotatably connected with the conveying cavity 17, a discharge pipe 14 is fixedly connected to one side of each support 1, the plurality of second discharge ports 22 are located in the discharge pipe 14, a first discharge port 13 is fixedly connected to one side of the squeezing cylinder 2 in a penetrating and communicating mode between the oil control cylinder 20 and the squeezing cylinder 2, a first motor 6 is fixedly connected to one side of one support 1, and the other is connected with a second motor 6 through a synchronous belt and the second spiral conveying shaft 18;

one opposite side of each of the two supports 1 is fixedly connected with a precipitation box 4, one side of each support 1 is provided with a crushing box 11, and the crushing boxes 11 are positioned below the first discharge port 13 and the discharge pipe 14;

Referring to fig. 7 and 8, the crushing assembly includes a first crushing roller 29 and a second crushing roller 30 rotatably connected to the inner wall of the crushing box 11, a second crushing sheet 32 is fixedly sleeved on the outer wall of the first crushing roller 29, a first crushing sheet 31 is fixedly sleeved on the outer wall of the second crushing roller 30, the first crushing sheet 31 and the second crushing sheet 32 are staggered with each other, a baffle 33 is fixedly connected to the inner wall of the crushing box 11, the baffle 33 is located below the first crushing sheet 31 and the second crushing sheet 32, a second gear 35 is fixedly sleeved on the outer wall of the first crushing roller 29, and a first gear 34 meshed with the second gear 35 is fixedly sleeved on the outer wall of the second crushing roller 30.

Referring to fig. 2, one side fixedly connected with second motor 36 of crushing case 11, the output shaft of second motor 36 passes through the synchronizing wheel, the hold-in range is connected with the transmission of second crushing roller 30, right side support 1 is run through to the one end of reciprocal lead screw 25, first crushing roller 29 passes through the synchronizing wheel, the hold-in range is connected with the transmission of reciprocal lead screw 25, second motor 36 passes through the synchronizing wheel among the above-mentioned technical scheme, the hold-in range can electronic second crushing roller 30 rotate, thereby can drive first crushing roller 29 antiport, first crushing roller 29 rotates and can pass through the synchronizing wheel, the hold-in range drives reciprocal lead screw 25 and rotates, be convenient for to reciprocal lead screw 25 transmission power.

Referring to fig. 1 and 3, the same filter cartridge 3 penetrates through and is fixedly connected to opposite sides of two supports 1, the inner wall of the filter cartridge 3 penetrates through and is rotatably connected with a first spiral conveying shaft 12, the first spiral conveying shaft 12 is connected with a first motor 6 through a synchronizing wheel and a synchronizing belt in a transmission manner, the filter cartridge 3 is communicated and connected with a press cylinder 2 through a plurality of second connecting pipelines 15, a plurality of through holes are formed in the bottom of the filter cartridge 3, oil flowing out of the press cylinder 2 can be filtered through the filter cartridge 3 in the technical scheme, and large impurities in the filtered oil are filtered and are cleaned by driving the first spiral conveying shaft 12 to rotate through the first motor 6.

Referring to fig. 5 and 6, the same filter frame 5 is inserted into the opposite side of the fixing block 23 and the settling box 4, the outer end of the filter frame 5 is fixedly connected with a filter plate 27, in the technical scheme, the oil outlet plate 26 is arranged at a position which is higher than the inner wall of the bottom of the settling box 4 by more than or equal to 1cm, oil can be settled, then sediments are cleaned in the filter frame 5 through the reciprocating movement of the scraper 24, and then the oil is filtered through the filter plate 27 again, so that the oil is clearer.

Referring to fig. 1 and 2, fixedly connected with lifting machine 10 runs through at the top of broken case 11, and press the first connecting pipe 7 of fixedly connected with to run through at the top of cylinder 2, run through the same conveyer 8 of fixedly connected with between first connecting pipe 7 and the lifting machine 10, and feeder hopper 9 runs through fixedly connected at the top of conveyer 8, and the cooperation through conveyer 8 and lifting machine 10 can once more with smashing the rape seed in broken case 11 and carry into press the cylinder 2 in and squeeze among the above-mentioned technical scheme, makes it squeeze more thoroughly.

A rapeseed oil production method comprises the following steps:

s1, firstly, pouring rapeseeds into a conveyor 8 through a feed hopper 9, starting the conveyor 8, conveying the rapeseeds into a squeezing cylinder 2, starting a first motor 6, driving a second spiral conveying shaft 18 to rotate by the first motor 6 through a synchronizing wheel and a synchronizing belt, conveying the rapeseeds into an oil control cylinder 20, squeezing the rapeseeds through a spiral squeezing roller 19, squeezing the squeezed rapeseeds out through a second discharge port 22 and a discharge pipe 14, further squeezing the rapeseeds extruded through the oil control cylinder 20 through a squeezing spiral sheet 21, and finally squeezing out through a first discharge port 13, wherein the squeezed oil and impurities flow into a first discharge port 13 through a second connecting pipeline 15, and the oil flows into a precipitation box 4 through the filtration cylinder 3 for precipitation;

s2, then the first motor 6 can drive the first spiral conveying shaft 12 to rotate through a synchronous wheel and a synchronous belt, the first spiral conveying shaft 12 rotates to convey impurities in the filter cartridge 3 out, and the discharge pipe 14, the first discharge hole 13 and the rapeseeds conveyed out of the filter cartridge 3 fall into the crushing box 11;

s3, a second motor 36 is started, the second motor 36 can drive the second smashing roller 30 to rotate through a synchronizing wheel and a synchronizing belt, so that the first smashing roller 29 can be driven to rotate reversely through a first gear 34 and a second gear 35, the extruded rapeseeds can be smashed through a first smashing sheet 31 and a second smashing sheet 32, and the smashed rapeseeds flow to the inner wall of the bottom of the smashing box 11 through a baffle 33;

s4, simultaneously, the first crushing roller 29 rotates, the reciprocating screw rod 25 can be driven to rotate through a synchronous wheel and a synchronous belt, the reciprocating screw rod 25 can drive the scraper 24 to reciprocate on the sliding rod 28, precipitates precipitated on the inner wall of the bottom of the precipitation box 4 can be pushed into the filter frame 5 through the reciprocating motion of the sliding rod 28, and then the precipitates are further filtered through the filter plate 27;

s5, after the smashing is completed, the hoister 10 is started, the hoister 10 conveys the rapeseeds in the smashing box 11 into the conveyor 8 and then squeezes the rapeseeds again, the rapeseeds are squeezed more thoroughly, after the smashing by secondary squeezing, a door on the smashing box 11 is opened to take out the rapeseed residues in the smashing box, then new rapeseeds are put in the feed hopper 9, and the circular squeezing is continued.

However, as is well known to those skilled in the art, the working principle and wiring method of the first motor 6, the conveyor 8, the elevator 10 and the second motor 36 are common and are conventional means or common knowledge, and will not be described herein, and those skilled in the art can make any choice according to their needs or convenience.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention; the embodiments of the invention and the features of the embodiments can be combined with each other without conflict. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A rapeseed oil pressing device is characterized by comprising:

the oil press comprises two supports (1), the tops of the two supports (1) are fixedly connected with press cylinders (2), a feed hopper (9) is arranged above each press cylinder (2), a press cavity (16) and a conveying cavity (17) are formed in each press cylinder (2), the inner wall of each conveying cavity (17) is connected with a second spiral conveying shaft (18) in a penetrating and rotating mode, the inner wall of each press cavity (16) is connected with a spiral press roller (19) in a penetrating and rotating mode, the spiral press roller (19) is fixedly connected with the second spiral conveying shaft (18), an oil control cylinder (20) is fixedly sleeved on the outer wall of each spiral press roller (19), a press spiral sheet (21) is fixedly wound on the outer wall of each oil control cylinder (20), a plurality of second discharge holes (22) are formed in one side of each support (1), the second discharge holes (22) are communicated with the inner wall of each oil control cylinder (20), each oil control cylinder (20) is rotatably connected with each conveying cavity (17), one side of each support (1) is fixedly connected with a discharge pipe (14), the plurality of the second discharge holes (22) are located in each discharge pipe (14), one side of each press cylinder (1), one of each first discharge hole (13) is fixedly connected with a first discharge hole (13), and a first discharge hole (13) is connected with a first discharge hole (13) The first motor (6) is in transmission connection with the second spiral conveying shaft (18) through a synchronous wheel and a synchronous belt;

one opposite sides of the two supports (1) are fixedly connected with a precipitation box (4), one side of each support (1) is provided with a crushing box (11), and the crushing boxes (11) are positioned below the first discharge hole (13) and the discharge pipe (14);

the cleaning assembly is arranged in the sedimentation box (4) and is used for cleaning the sedimentation box (4);

and the crushing assembly is arranged in the crushing box (11) and is used for crushing the extruded residues.

2. The rapeseed oil pressing device according to claim 1, wherein the cleaning assembly comprises four fixing blocks (23) which are fixedly connected to the inner wall of the bottom of the settling box (4) and symmetrically arranged, wherein the two fixing blocks (23) are fixedly connected to the same sliding rod (28) on the opposite side, the other two fixing blocks (23) are rotatably connected to the reciprocating screw rod (25) on the opposite side, a scraping plate (24) is slidably sleeved on the outer wall of the sliding rod (28), the scraping plate (24) is in threaded connection with the reciprocating screw rod (25) in a penetrating manner, and an oil outlet plate (26) is fixedly connected to one side of the settling box (4) in a penetrating manner.

3. The rapeseed oil pressing device according to claim 2, wherein the crushing assembly comprises a first crushing roller (29) and a second crushing roller (30) which are rotatably connected to the inner wall of the crushing box (11) in a penetrating manner, a second crushing sheet (32) is fixedly sleeved on the outer wall of the first crushing roller (29), a first crushing sheet (31) is fixedly sleeved on the outer wall of the second crushing roller (30), the first crushing sheet (31) and the second crushing sheet (32) are staggered with each other, a baffle (33) is fixedly connected to the inner wall of the crushing box (11), the baffle (33) is located below the first crushing sheet (31) and the second crushing sheet (32), a second gear (35) is fixedly sleeved on the outer wall of the first crushing roller (29), and a first gear (34) meshed with the second gear (35) is fixedly sleeved on the outer wall of the second crushing roller (30).

4. The rapeseed oil pressing device according to claim 3, wherein a second motor (36) is fixedly connected to one side of the crushing box (11), an output shaft of the second motor (36) is in transmission connection with the second crushing roller (30) through a synchronizing wheel and a synchronizing belt, one end of the reciprocating screw rod (25) penetrates through the right bracket (1), and the first crushing roller (29) is in transmission connection with the reciprocating screw rod (25) through the synchronizing wheel and the synchronizing belt.

5. The rapeseed oil pressing device according to claim 1, characterized in that the opposite sides of the two brackets (1) are fixedly connected with a same filter cartridge (3) in a penetrating manner, the inner wall of the filter cartridge (3) is rotatably connected with a first screw conveying shaft (12) in a penetrating manner, the first screw conveying shaft (12) is in transmission connection with a first motor (6) through a synchronizing wheel and a synchronizing belt, the filter cartridge (3) is in communication connection with the press drum (2) through a plurality of second connecting pipelines (15), and the bottom of the filter cartridge (3) is provided with a plurality of through holes.

6. A rapeseed oil pressing device according to claim 2, characterised in that the fixing block (23) is plugged with a filter frame (5) on the side opposite to the settling box (4), and the outer end of the filter frame (5) is fixedly connected with a filter plate (27).

7. A rapeseed oil pressing device according to claim 3, characterized in that a lifter (10) is fixedly connected to the top of the crushing box (11), a first connecting pipeline (7) is fixedly connected to the top of the pressing cylinder (2), the same conveyor (8) is fixedly connected between the first connecting pipeline (7) and the lifter (10), and the feeding hopper (9) is fixedly connected to the top of the conveyor (8).

8. A method of producing rapeseed oil according to any of claims 1-7, comprising the steps of:

s1, firstly, pouring rapeseeds into a conveyor (8) through a feed hopper (9), starting the conveyor (8), conveying the rapeseeds into a pressing cylinder (2), starting a first motor (6), driving a second spiral conveying shaft (18) to rotate through a synchronizing wheel and a synchronizing belt by the first motor (6), conveying the rapeseeds into an oil control cylinder (20), pressing the rapeseeds through a spiral pressing roller (19), extruding the pressed rapeseeds through a second discharge hole (22) and a discharge pipe (14), further pressing the rapeseeds extruded through the oil control cylinder (20) through a pressing spiral sheet (21), and finally extruding through a first discharge hole (13), wherein the pressed oil and impurities flow into the first discharge hole (13) through a second connecting pipeline (15), and the oil flows into a precipitation box (4) through a filter cylinder (3) to precipitate;

s2, then the first motor (6) can drive the first spiral conveying shaft (12) to rotate through a synchronous wheel and a synchronous belt, the first spiral conveying shaft (12) rotates to convey out impurities inside the filter cylinder (3), and the discharging pipe (14), the first discharging hole (13) and the rapeseeds conveyed out of the filter cylinder (3) fall into the crushing box (11);

s3, starting a second motor (36), wherein the second motor (36) can drive a second electric crushing roller (30) to rotate through a synchronous wheel and a synchronous belt, so that a first crushing roller (29) can be driven to rotate reversely through a first gear (34) and a second gear (35), extruded rapeseeds can be crushed through a first crushing sheet (31) and a second crushing sheet (32), and the crushed rapeseeds flow to the inner wall of the bottom of the crushing box (11) through a baffle (33);

s4, simultaneously, the first crushing roller (29) rotates, a reciprocating screw rod (25) can be driven to rotate through a synchronous wheel and a synchronous belt, the reciprocating screw rod (25) can drive a scraper (24) to reciprocate on a sliding rod (28), precipitates deposited on the inner wall of the bottom of the precipitation box (4) can be pushed into the filter frame (5) through the reciprocating motion of the sliding rod (28), and then the precipitates are further filtered through a filter plate (27);

s5, after the smashing is completed, starting the hoister (10), conveying the rapeseeds in the crushing box (11) into the conveyor (8) by the hoister (10) and then squeezing the rapeseeds again, so that the rapeseeds are squeezed more thoroughly, opening a door on the crushing box (11) to take out the rapeseed residues in the crushing box after the secondary squeezing and smashing, then putting new rapeseeds in the feed hopper (9), and continuously squeezing in a circulating manner.