CN113290905A

CN113290905A - Multistage rapeseed extrusion device for rapeseed oil production

Info

Publication number: CN113290905A
Application number: CN202110578167.6A
Authority: CN
Inventors: 张伶柯
Original assignee: Wuwei County Hedian Zhanglingke Family Farm
Current assignee: Wuwei County Hedian Zhanglingke Family Farm
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-08-24

Abstract

The invention relates to the technical field of rapeseed extrusion equipment, in particular to a multistage rapeseed extrusion device for rapeseed oil production. The invention aims to solve the technical problems that the feeding amount is difficult to effectively control, blockage is easy to cause, the normal use of equipment is influenced, the oil expression efficiency is reduced, the oil expression is uneven, the oil output is influenced, residual oil in rapeseed cakes is difficult to express, waste is easy to cause, the cleaning and the collection are troublesome, and the transportation and the treatment are inconvenient. In order to solve the technical problems, the invention provides a multistage rapeseed extrusion device for rapeseed oil production, which consists of a feeding adjusting mechanism and a re-extrusion mechanism, can effectively control the feeding amount, avoid the blockage of extrusion equipment, ensure the normal use of the equipment, improve the oil extraction efficiency, improve the oil output of rapeseeds, reduce the oil content in cakes, avoid waste, reduce the difficulty in cleaning and collecting, and facilitate transportation and treatment.

Description

Multistage rapeseed extrusion device for rapeseed oil production

Technical Field

The invention relates to the technical field of rapeseed extrusion equipment, in particular to a multistage rapeseed extrusion device for rapeseed oil production.

Background

Rapeseed oil is commonly called rapeseed oil, also called rapeseed oil, coriander oil, canola oil, sesame oil and canola oil, is edible oil squeezed from rapeseed, is one of the main edible oils in China, is mainly produced in Yangtze river basin, southwest, northwest and the like, has the top world yield and high absorptivity of human bodies to the rapeseed oil, so that unsaturated fatty acids such as linoleic acid and the like and vitamin E and other nutritional ingredients contained in the rapeseed oil can be well absorbed by organisms, have certain efficacies of softening blood vessels and delaying aging, and a multistage squeezing device is required to be used in the squeezing process of the rapeseed oil, but the existing multistage rapeseed squeezing device has many problems or defects:

present extrusion device is difficult to the effective control feeding volume, the too much equipment jam that squeezes that causes easily of feeding volume, influence the normal use of equipment, reduce the efficiency of extracting oil, and still can cause the rape seed to squeeze inhomogeneously, influence the oil output of rape seed, squeeze the rape seed with the mode of roll-in mostly among the prior art, squeeze comparatively inadequately, be difficult to fine squeeze out with remaining grease in the rape seed cake, the oil content is higher in the rape seed cake of formation, cause the waste easily, and finally form the rape seed cake and be mostly less slice or large granule state, it is comparatively troublesome when clearing up to collect, inconvenient transportation handles.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a multistage rapeseed press apparatus for rapeseed oil production.

The invention realizes the aim through the following technical scheme, the multistage rapeseed extrusion device for rapeseed oil production comprises a bottom plate and a squeezer body arranged on the bottom plate, wherein the top of the squeezer body is provided with a feeding adjusting mechanism, the feeding adjusting mechanism comprises a movable adjusting plate, a rotating shaft and an arc-shaped sliding block, the top end surface of the squeezer body is provided with an intermediate adjusting box, the top of the inner wall of the intermediate adjusting box is rotatably provided with two rotating shafts, the surfaces of the two rotating shafts are fixedly sleeved with the movable adjusting plate, one side plate of the intermediate adjusting box is provided with a driving mechanism, one side of the squeezer body is provided with a high-efficiency feeding mechanism, the bottom end of the high-efficiency feeding mechanism is rotatably connected with the top end surface of the bottom plate, the top end surface of the bottom plate is provided with a re-squeezing mechanism, and the re-squeezing mechanism comprises a threaded rod, a sliding block and a squeezing disc, the vertical two risers of installing of top face of bottom plate, two the mounting groove has all been seted up to one side of riser, two all rotate in the mounting groove and install the threaded rod, two the equal threaded mounting in surface of threaded rod has the sliding block, two horizontal installation has the diaphragm between the sliding block, the vertical fixed column of installing of middle part department of the bottom face of diaphragm, the connection pad is installed to the bottom of fixed column, the extrusion dish is installed to the bottom of connection pad, the outer extrusion jar is installed to the top face of bottom plate, the internally mounted of outer extrusion jar has interior extrusion jar, the extrusion dish is arranged in the interior extrusion jar.

Preferably, four support legs are mounted on the top end face of the bottom plate, and the top ends of the four support legs are fixedly connected with the bottom of the squeezer body.

Preferably, an oil outlet is formed in one side, corresponding to the squeezer body, of the squeezer body, a flow guide hopper is mounted on the oil outlet, an oil storage tank is mounted on the top end face of the base plate, and the flow guide hopper is located right above the oil storage tank.

Preferably, actuating mechanism includes a servo motor and drive belt, a servo motor is installed to a curb plate of middle regulating box, the fixed driving pulley that has cup jointed of first servo motor's output, two the one end of pivot is all fixed the cup joint and is had driven pulleys, driving pulley passes through the drive belt and is connected with two driven pulleys.

Preferably, a discharge opening is formed in one side of the squeezer body, and a discharge hopper is installed on the discharge opening.

Preferably, a plurality of oil outlets are formed in the inner extrusion tank, and a discharge valve is installed on one side of the outer extrusion tank.

Preferably, two arc-shaped sliding blocks are installed on two sides of the movable adjusting plate, two arc-shaped sliding grooves and four arc-shaped sliding blocks are arranged on two sides corresponding to the inner wall of the middle adjusting box in a sliding mode and are installed in the corresponding arc-shaped sliding grooves respectively.

Preferably, high-efficient feeding mechanism includes defeated feed cylinder, spiral feed rod and electric telescopic handle, the rolling disc is installed in the embedding of the top face of bottom plate, the vertical defeated feed cylinder of installing in top of rolling disc, the spiral feed rod is installed to the defeated feed cylinder internal rotation, one side of defeated feed cylinder bottom is run through and is installed the collection storehouse, one side at defeated feed cylinder top is run through to rotate and is installed and add long defeated hopper, it has the baffle to add long defeated feed hopper one end movable mounting, electric telescopic handle is installed to one side of defeated feed cylinder, electric telescopic handle's output and the bottom of adding long defeated feed hopper are rotated and are connected, the surface activity of defeated feed cylinder middle part department has cup jointed the fixed sleeve, one side of fixed sleeve and one side fixed connection of squeezer body, fastening bolt is installed to the opposite side screw thread of fixed sleeve.

Preferably, the top end of the material conveying cylinder is provided with an electric motor, and the output end of the electric motor is fixedly connected with the top end of the spiral feeding rod.

Preferably, the top ends of the two vertical plates are provided with second servo motors, and the second servo motors are respectively and fixedly connected with the top ends of the corresponding threaded rods.

The invention has the beneficial effects that:

1. by the cooperation of the movable adjusting plate and the rotating shaft, the feeding amount can be effectively controlled, the blockage of squeezing equipment is avoided, the normal use of the equipment is ensured, the oil pressing efficiency is improved, the uniform extrusion of rapeseeds can be ensured, and the oil output of the rapeseeds is improved;

2. under the action of the threaded rod, the sliding block and the extrusion disc, residual oil in the rapeseed cakes can be sufficiently squeezed out, the oil content in the rapeseed cakes is reduced, waste is avoided, rapeseed residues can be compressed into large cylindrical rapeseed cakes, the difficulty in cleaning and collecting can be effectively reduced, and the transportation and the treatment are convenient;

3. the rapeseed residues in the internal extrusion tank are extruded through the extrusion plate, so that the rapeseed residues can be compressed into a large cylindrical vegetable cake, the difficulty in cleaning and collecting can be effectively reduced, and the transportation and the treatment are convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is a schematic top view of the intermediate adjusting box according to the present invention;

FIG. 4 is a schematic diagram of the right-view structure of the present invention;

fig. 5 is a schematic sectional structure view of an external crush can of the present invention.

In the figure: 1. a base plate; 2. a presser body; 201. a support leg; 202. a discharge hopper; 203. an oil outlet; 204. a flow guide hopper; 3. a middle adjusting box; 301. an arc-shaped chute; 4. a movable adjusting plate; 5. a rotating shaft; 501. a driven pulley; 6. an arc-shaped sliding block; 7. a vertical plate; 701. mounting grooves; 8. a threaded rod; 9. a slider; 10. a transverse plate; 11. fixing a column; 12. a connecting disc; 13. an outer extrusion tank; 1301. a discharge valve; 14. an internal extrusion tank; 1401. an oil outlet hole; 15. an extrusion disc; 16. a first servo motor; 1601. a driving pulley; 17. a feed hopper; 18. an electric motor; 19. a second servo motor; 20. a delivery cylinder; 21. a screw feed rod; 22. fixing the sleeve; 23. fastening a bolt; 24. an electric telescopic rod; 25. lengthening a material conveying hopper; 26. a collection bin; 27. rotating the disc; 28. an oil storage tank; 29. a transmission belt.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Referring to fig. 1-5, a multistage rapeseed extrusion device for rapeseed oil production comprises a bottom plate 1 and a squeezer body 2 installed on the bottom plate 1, wherein a feeding adjustment mechanism is arranged at the top of the squeezer body 2, the feeding adjustment mechanism comprises a movable adjustment plate 4, a rotating shaft 5 and an arc-shaped slider 6, a middle adjustment box 3 is installed on the top end surface of the squeezer body 2, two rotating shafts 5 are rotatably installed at the top of the inner wall of the middle adjustment box 3, the movable adjustment plate 4 is fixedly sleeved on the surfaces of the two rotating shafts 5, a driving mechanism is installed on one side plate of the middle adjustment box 3, an efficient feeding mechanism is arranged on one side of the squeezer body 2, the bottom end of the efficient feeding mechanism is rotatably connected with the top end surface of the bottom plate 1, a re-squeezing mechanism is arranged on the top end surface of the bottom plate 1, and the re-squeezing mechanism comprises a threaded rod 8, Sliding block 9 and extrusion dish 15, two riser 7, two are vertically installed to the top face of bottom plate 1 one side of riser 7 has all been seted up mounting groove 701, two all rotate in the mounting groove 701 and install threaded rod 8, two sliding block 9, two are installed to the equal threaded mounting in surface of threaded rod 8 horizontal installation has diaphragm 10 between the sliding block 9, the vertical fixed column 11 of installing of middle part department of the bottom face of diaphragm 10, connection pad 12 is installed to the bottom of fixed column 11, extrusion dish 15 is installed to the bottom of connection pad 12, outer extrusion jar 13 is installed to the top face of bottom plate 1, extrusion jar 14 in the internally mounted of outer extrusion jar 13, extrusion dish 15 is arranged in extrusion jar 14.

The first servo motor 16 is started, the driving belt wheel 1601 on the output end of the first servo motor 16 is rotated and is connected with the two driven belt wheels 501 through the transmission belt 29, the two driven belt wheels 501 are driven to rotate, so that the two rotating shafts 5 rotate in the middle adjusting box 3, thereby the two movable adjusting plates 4 are driven to rotate in an arc shape in the middle adjusting box 3, and slide in the corresponding arc-shaped chutes 301 through the arc-shaped sliding blocks 6, thereby ensuring that the two movable adjusting plates 4 can keep stable when rotating, further, the space formed by one ends of the two movable adjusting plates 4 can be adjusted through the rotation of the rotating shafts 5, so as to ensure that the feeding amount can be efficiently and simply controlled, the feeding is uniform, the oil output of the rapeseed oil is improved, the device is provided with a re-squeezing mechanism, the processed rapeseed is conveyed into the squeezer body 2 through the feed hopper 17, and after the primary squeezing of the squeezer body 2, rapeseed oil flows into the oil storage tank 28 through the flow guide hopper 204, the formed rapeseed cakes enter the collection hopper 26 through the discharge hopper 202 and then fall into the material conveying cylinder 20 through the collection hopper 26, then the motor 18 is started, the spiral feeding rod 21 is rotated through the output end of the motor 18, the rapeseed cakes are conveyed into the material conveying cylinder 20 through the rotation of the spiral feeding rod 21 and are crushed through the rotary blade on the spiral feeding rod 21, then the crushed rapeseed cake fragments are conveyed to the top of the material conveying cylinder 20 and enter the lengthened material conveying hopper 25, then the baffle at one end of the lengthened material conveying hopper 25 is opened, the rapeseed cake fragments enter the squeezer body 2 for repeated squeezing, after repeated squeezing for many times, the formed rapeseed cake fragments completely enter the material conveying cylinder 20 and the lengthened material conveying hopper 25 through the collection hopper 26, the motor 18 is closed, and then the fastening bolt 23 is loosened, when the material conveying cylinder 20 is rotated through the rotating disc 27, so that the lengthened material conveying hopper 25 is positioned right above the outer extrusion tank 13, the material conveying cylinder 20 is stopped from rotating, the fastening bolt 23 is screwed, the lengthened material conveying hopper 25 is adjusted to a proper position through the electric telescopic rod 24, then the two second servo motors 19 are started to enable the extrusion disc 15 to move right above the inner extrusion tank 14, then one end of the lengthened material conveying hopper 25 is adjusted to be close to the upper part of the extrusion disc 15 through the electric telescopic rod 24, then the baffle plate is pulled open, the motor 18 is started, so that the rapeseed cakes on the lengthened material conveying hopper 25 and in the material conveying cylinder 20 enter the extrusion disc 15, the two second servo motors 19 rotate the two threaded rods 8, so that the two sliding blocks 9 slide downwards in the corresponding mounting grooves 701, and the sliding blocks 10 enable the fixed columns 11 to push the extrusion disc 15 to enter the inner extrusion tank 14 and extrude downwards, make the remaining oil of rape seed cake extruded and flow into outer extrusion tank 13 through a plurality of oil outlet 1401 that is provided with on the internal extrusion tank 14 in to can fully squeeze out remaining rape seed oil in the rape seed cake, avoid appearing extravagantly, improve the oil yield of rape seed, and compress into the piece with the rape seed cake, conveniently place the processing.

Four supporting legs 201 are installed to the top terminal surface of bottom plate 1, four the top of supporting leg 201 and the bottom fixed connection of squeezer body 2 can conveniently be to the fixing of squeezer body 2 through supporting leg 201.

An oil outlet 203 is formed in one side, corresponding to the squeezer body 2, a flow guide hopper 204 is installed on the oil outlet 203, an oil storage tank 28 is installed on the top end face of the base plate 1, the flow guide hopper 204 is located right above the oil storage tank 28, and rapeseed oil can be conveniently collected through the flow guide hopper 204 and the oil storage tank 28.

Actuating mechanism includes first servo motor 16 and drive belt 29, first servo motor 16 is installed to a curb plate of middle regulating box 3, the fixed cover of output of first servo motor 16 has connect driving pulley 1601, two the fixed cover of the one end of pivot 5 has all been connected from driven pulley 501, driving pulley 1601 passes through drive belt 29 and is connected with two from driven pulley 501, can provide power for pivot 5 through actuating mechanism.

The bin outlet has been seted up to one side of squeezer body 2, install hopper 202 on the bin outlet, can conveniently discharge the rape seed cake through hopper 202.

A plurality of oil outlet holes 1401 are formed in the inner extrusion tank 14, a discharge valve 1301 is installed on one side of the outer extrusion tank 13, and the re-squeezed rapeseed oil can be collected through the oil outlet holes 1401 and the discharge valve 1301.

Two arc slider 6 is all installed to the both sides of activity regulating plate 4, two arc spout 301, four have all been seted up to the both sides that 3 inner walls of middle regulating box correspond arc slider 6 slidable mounting respectively can make activity regulating plate 4 rotate steadily in the arc spout 301 that corresponds through arc slider 6 and arc spout 301.

The efficient feeding mechanism comprises a material conveying cylinder 20, a spiral feeding rod 21 and an electric telescopic rod 24, a rotary disc 27 is embedded and installed on the top end face of a bottom plate 1, the material conveying cylinder 20 is vertically installed on the top end of the rotary disc 27, the spiral feeding rod 21 is installed in the material conveying cylinder 20 in a rotating mode, a collecting bin 26 is installed on one side of the bottom of the material conveying cylinder 20 in a penetrating mode, an lengthening material conveying hopper 25 is installed on one side of the top of the material conveying cylinder 20 in a penetrating mode, a baffle is movably installed at one end of the lengthening material conveying hopper 25, the electric telescopic rod 24 is installed on one side of the material conveying cylinder 20, the output end of the electric telescopic rod 24 is connected with the bottom of the lengthening material conveying hopper 25 in a rotating mode, a fixing sleeve 22 is movably sleeved on the outer surface of the middle of the material conveying cylinder 20, one side of the fixing sleeve 22 is fixedly connected with one side of a squeezer body 2, and a fastening bolt 23 is installed on the other side of the fixing sleeve 22 in a threaded mode, can conveniently carry out multistage squeezing through high-efficient feeding mechanism.

The top end of the material conveying cylinder 20 is provided with a motor 18, the output end of the motor 18 is fixedly connected with the top end of the spiral feeding rod 21, and power can be provided for the spiral feeding rod 21 through the motor 18.

The top ends of the two vertical plates 7 are respectively provided with a second servo motor 19, the two second servo motors 19 are respectively fixedly connected with the top ends of the corresponding threaded rods 8, and power can be provided for the threaded rods 8 through motors 18.

The electrical components appearing in the present document are all connected externally to a power supply and a control switch when in use, and the related circuits, electronic components and control modules are all prior art, and can be realized completely by those skilled in the art without needless to say, the protection content of the present invention does not relate to the improvement of software and methods.

In the description of the invention, it is to be understood that the terms "center", "middle", "eccentric", "longitudinal", "lateral", "length", "width", "thickness", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of describing the invention and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a rapeseed oil production is with multistage rapeseed extrusion device which characterized in that: including bottom plate (1) and install squeezer body (2) on bottom plate (1), squeezer body (2) top is provided with feeding adjustment mechanism, feeding adjustment mechanism is including movable regulating plate (4), pivot (5) and arc slider (6), adjusting box (3) in the middle of the top face-mounting of squeezer body (2), the top of middle adjusting box (3) inner wall is rotated and is installed two pivots (5), two movable regulating plate (4) have all been cup jointed to the surface of pivot (5), actuating mechanism is installed to a curb plate of middle adjusting box (3), one side of squeezer body (2) is provided with high-efficient feeding mechanism, high-efficient feeding mechanism's bottom is rotated with the top face of bottom plate (1) and is connected, the top face of bottom plate (1) is provided with re-squeezing mechanism, re-squeezing mechanism includes threaded rod (8), The device comprises sliding blocks (9) and an extrusion disc (15), wherein two vertical plates (7) are vertically arranged on the top end face of the bottom plate (1), mounting grooves (701) are respectively formed in one side of each of the two vertical plates (7), threaded rods (8) are respectively rotatably arranged in the two mounting grooves (701), the sliding blocks (9) are respectively and threadedly mounted on the surfaces of the two threaded rods (8), a transverse plate (10) is horizontally arranged between the two sliding blocks (9), a fixing column (11) is vertically arranged in the middle of the bottom end surface of the transverse plate (10), a connecting disc (12) is arranged at the bottom end of the fixing column (11), an extrusion disc (15) is arranged at the bottom end of the connecting disc (12), the top end face of the bottom plate (1) is provided with an outer extrusion tank (13), the inner portion of the outer extrusion tank (13) is provided with an inner extrusion tank (14), and the extrusion disc (15) is arranged in the inner extrusion tank (14).

2. The multi-stage rapeseed extrusion device for rapeseed oil production according to claim 1, characterized in that: four supporting legs (201) are installed to the top terminal surface of bottom plate (1), four the top of supporting leg (201) and the bottom fixed connection of squeezer body (2).

3. The multi-stage rapeseed extrusion device for rapeseed oil production according to claim 1, characterized in that: an oil outlet (203) is formed in one side, corresponding to the squeezer body (2), of the oil outlet (203), a flow guide hopper (204) is installed on the oil outlet (203), an oil storage tank (28) is installed on the top end face of the base plate (1), and the flow guide hopper (204) is located right above the oil storage tank (28).

4. The multi-stage rapeseed extrusion device for rapeseed oil production according to claim 1, characterized in that: actuating mechanism includes first servo motor (16) and drive belt (29), first servo motor (16) are installed to a curb plate of middle regulating box (3), the fixed cover of the output of first servo motor (16) has connect driving pulley (1601), two the one end of pivot (5) is all fixed cover and is connected from driving pulley (501), driving pulley (1601) are connected with two from driving pulley (501) through drive belt (29).

5. The multi-stage rapeseed extrusion device for rapeseed oil production according to claim 1, characterized in that: the discharge gate has been seted up to one side of squeezer body (2), install hopper (202) on the discharge gate.

6. The multi-stage rapeseed extrusion device for rapeseed oil production according to claim 1, characterized in that: a plurality of oil outlets (1401) are formed in the inner extrusion tank (14), and a discharge valve (1301) is installed on one side of the outer extrusion tank (13).

7. The multi-stage rapeseed extrusion device for rapeseed oil production according to claim 1, characterized in that: two arc slider (6) are all installed to the both sides of activity regulating plate (4), two arc spout (301), four have all been seted up to the both sides that middle regulating box (3) inner wall corresponds arc slider (6) slidable mounting respectively is in arc spout (301) that correspond.

8. The multi-stage rapeseed extrusion device for rapeseed oil production according to claim 1, characterized in that: the efficient feeding mechanism comprises a material conveying cylinder (20), a spiral feeding rod (21) and an electric telescopic rod (24), a rotary disc (27) is installed at the top end face of a bottom plate (1) in an embedded mode, the material conveying cylinder (20) is vertically installed at the top end of the rotary disc (27), the spiral feeding rod (21) is installed in the material conveying cylinder (20) in a rotating mode, a collecting bin (26) is installed at one side of the bottom of the material conveying cylinder (20) in a penetrating mode, a lengthening material conveying hopper (25) is installed at one side of the top of the material conveying cylinder (20) in a penetrating mode, a baffle is movably installed at one end of the lengthening material conveying hopper (25), the electric telescopic rod (24) is installed at one side of the material conveying cylinder (20), the output end of the electric telescopic rod (24) is connected with the bottom of the lengthening material conveying hopper (25) in a rotating mode, and a fixing sleeve (22) is sleeved on the outer surface of the middle of the material conveying cylinder (20), one side of the fixed sleeve (22) is fixedly connected with one side of the squeezer body (2), and a fastening bolt (23) is installed on the other side of the fixed sleeve (22) in a threaded mode.

9. The multi-stage rapeseed extrusion device for rapeseed oil production according to claim 1, characterized in that: the top end of the material conveying cylinder (20) is provided with an electric motor (18), and the output end of the electric motor (18) is fixedly connected with the top end of a spiral feeding rod (21).

10. The multi-stage rapeseed extrusion device for rapeseed oil production according to claim 1, characterized in that: and the top ends of the two vertical plates (7) are respectively provided with a second servo motor (19), and the second servo motors (19) are respectively and fixedly connected with the top ends of the corresponding threaded rods (8).