CN210248283U

CN210248283U - Shelling and crushing device for linseed oil production

Info

Publication number: CN210248283U
Application number: CN201921182906.4U
Authority: CN
Inventors: 候计堂
Original assignee: Inner Mongolia Fengjimiao Agricultural Product Technology Development Co ltd
Current assignee: Inner Mongolia Fengjimiao Agricultural Product Technology Development Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-04-07
Anticipated expiration: 2029-07-25

Abstract

The utility model provides a shelling and crushing device for linseed oil production, which comprises a crushing box, wherein a hopper, a feeding pipe communicated with the bottom of the hopper and a feeding plate communicated with the feeding pipe are arranged in the crushing box; a turntable and a rubber ring are arranged above the blanking plate, a plurality of slideways are arranged on the outer surface of the rubber ring, and a blade is fixed at the center of each slideway; a feed opening is formed at the tail end of the feeding plate and communicated with a shelling box, and a stirring sub-device is arranged in the shelling box; the bottom of the huller is provided with a discharge port, the discharge port is provided with a crank rocker mechanism for controlling the discharge port to open or close, and the discharge port is communicated with the separation box. The utility model discloses in, guarantee the separation of flaxseed shell and grain. The stirred flaxseed part has static electricity, the discharging opening or the blocking of the shelling box can be controlled by the arrangement of the crank and rocker mechanism, the stirred flaxseeds stay in the shelling box for a period of time, the discharging opening is opened after the static electricity is eliminated, and then the flaxseeds fall into the separation box, so that the influence on the subsequent separation of flaxseed shells and flaxseed grains is avoided.

Description

Shelling and crushing device for linseed oil production

Technical Field

The utility model relates to a linseed oil production facility technical field, concretely relates to linseed oil production is with shelling breaker.

Background

Flax is an oil crop, the oil content in the kernel is very high, α -linolenic acid which is beneficial to human health is contained in the oil, the content of the oil is 47-57%, the flax gum which is about 9% is contained in the hull of the flax seed is vegetable gum which can be widely applied to the industries of food, daily chemical industry, pharmacy and the like, the flax seed hull contains a large amount of lignan, the lignan is phytoestrogen, and the content of the lignan in the flax seed is 100-800 times higher than that in other crops.

Flaxseed is a flat, oval seed with a hard shell that is tightly associated with the kernel. Moreover, the flaxseeds also belong to oil crops with high oil content, and improper processing mode can result in high flaxseed oil yield and influence subsequent processing. This makes dehulling of flaxseeds very difficult.

The flax seed shelling degree of difficulty is big in present linseed oil production process, and the manual shelling is adopted for the majority, and the cost of shelling is high, and the cycle length is unfavorable for high-efficient shelling, has influenced linseed oil's normal process flow, is unfavorable for producing linseed oil.

Disclosure of Invention

The utility model discloses to prior art's is not enough, provide a flaxseed oil production is with shelling breaker, solved the problem of shelling difficulty in the background art.

The utility model is realized by the following technical proposal, provides a flaxseed oil production shelling and crushing device, which comprises a hopper, a feeding pipe communicated with the bottom of the hopper, and a feeding plate communicated with the feeding pipe;

the blanking tube and the blanking plate are both positioned in a crushing box, a rotary table is arranged in the crushing box and above the blanking plate, a central shaft of the rotary table is connected with a driving motor, a rubber ring is sleeved on the outer side of the rotary table, a plurality of slide ways are arranged on the outer surface of the rubber ring along the axial direction, the slide ways extend in the radial direction of the rubber ring, a blade is fixed at the center of each slide way, and the outer surface of the rubber ring is in contact with the blanking plate;

a feed opening is formed at the tail end of the feeding plate, the feed opening is downwards communicated with a shelling box, and a stirring sub-device is arranged in the shelling box; a discharge port is formed in the bottom of the shelling box, and a crank and rocker mechanism for opening or blocking the discharge port is arranged at the discharge port;

the discharge gate below intercommunication separator box, the feed inlet left and right sides symmetry of separator box is provided with electrostatic generator, the bottom symmetry of separator box is provided with two division boards, form the absorption chamber between the lateral wall of division board and separator box, electrostatic generator is located the top in absorption chamber.

Preferably, the stirring sub-device comprises a driving motor, an output shaft of the driving motor is connected with a stirring frame, and a plurality of horizontally arranged stirring paddles are fixed on the stirring frame; the driving motor is located outside the shelling box, and the stirring frame and the stirring paddle are located in the shelling box.

Preferably, the output shafts of the stirring frame, the stirring paddle and the driving motor are all of a hollow structure, the output shafts of the stirring frame, the stirring paddle and the driving motor are communicated, the output shaft of the driving motor is communicated with a blower, the blower is located outside the shelling box, and the stirring paddle is provided with a plurality of air outlets.

Preferably, the crank and rocker mechanism comprises a base and a moving plate;

a support rod is fixed on the base, one end of a swing rod is hinged to the support rod through a rotating shaft, a moving block is hinged to the other end of the swing rod through a rotating shaft, one end of a rotating rod is hinged to the swing rod through a rotating shaft, the other end of the rotating rod is hinged to a disc through a rotating shaft, and a central shaft of the disc is fixedly connected with an output shaft of a driving motor;

the bottom of the moving plate is fixed with a limiting piece, the bottom opening of the limiting piece forms a limiting cavity, and the moving block is located in the limiting cavity.

Preferably, a sliding groove matched with the moving plate is arranged on a bottom plate of the shelling box.

Preferably, the device further comprises a feeding sub-device, wherein the feeding sub-device comprises a feeding barrel, and a feeding mechanism is arranged in the feeding barrel;

the upper charging barrel comprises a first side wall and a second side wall which are oppositely arranged, the lower part of the first side wall is provided with a charging opening, and the upper part of the second side wall is provided with a discharging opening;

the feeding mechanism comprises an upper conveying gear and a lower conveying gear which are arranged at the upper end and the lower end in the upper charging barrel, a conveying chain wound on the upper conveying gear and the lower conveying gear, and a plurality of hoppers fixed on the outer side of the conveying chain, wherein the axes of the upper conveying gear and the lower conveying gear are parallel to each other and are perpendicular to the horizontal connecting line of the first side wall and the second side wall.

Preferably, a support frame is arranged at the bottom of the upper charging barrel, the upper charging barrel is positioned on the support frame, and the support frame is of a telescopic structure; the feeding sub-device further comprises a recovery mechanism, the recovery mechanism is located at the bottom in the feeding barrel and comprises a recovery material plate and a recovery material port, two ends of the recovery material plate are respectively connected with the bottom wall and the second side wall of the feeding barrel in a sealing mode, and the recovery material plate is arranged on the bottom wall of the feeding barrel and located between the recovery material plate and the first side wall.

Preferably, the recycling mechanism further comprises a recycling window, and the recycling window is arranged at the bottom of the first side wall.

Preferably, the inner sides of the feeding port and the discharging port are provided with material guide plates for enabling materials to smoothly enter the feeding hopper.

The embodiment of the utility model provides a technical scheme can contain following beneficial effect:

(1) the utility model provides a shelling breaker is used in linseed oil production sets up the sub-device of stirring in the shelling box, makes the shell and the thorough separation of grain of flaxseed to, the stirring rake of sub-device of stirring is ventilated, blows to the flaxseed in the stirring, guarantees the separation of flaxseed shell and grain.

(2) The utility model discloses in, the linseed after the stirring can have static because of the stirring, and the ejection of compact that the shelling case can be controlled in the setting of crank rocker mechanism is opened or the shutoff, makes the linseed after the stirring stop for a period in the shelling incasement, and the discharge gate is opened after the electrostatic elimination, falls into the separator box again, has avoided the influence to follow-up linseed shell and grain separation.

(3) The electrostatic generator is arranged in the separation box, the flax seed shell part is adsorbed in the adsorption cavity through the static electricity generated by the electrostatic generator, and the flax seed grains directly drop to the bottom of the separation box, so that the separation of the flax seed shells and the flax seed grains is realized.

(4) The utility model discloses set up the sub-device of material loading, reinforced to the hopper through the sub-device of material loading, need not the manual work and lifted to hopper department reinforced, reduced artifical intensity of labour, improved work efficiency.

Drawings

For a clearer explanation of 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 for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a flaxseed oil production husking breaker according to an embodiment of the present invention.

Fig. 2 is a schematic partial structural diagram of a rubber ring of a shelling and crushing device for linseed oil production according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of an agitator device of a flaxseed oil production husking and crushing device according to an embodiment of the present invention.

Fig. 4 is a schematic mechanism diagram of a crank and rocker mechanism of a flaxseed oil production husking and crushing device according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a feeding mechanism of a flaxseed oil production husking and crushing device according to an embodiment of the present invention.

Shown in the figure: 1-hopper, 2-blanking pipe, 3-blanking plate, 4-crushing box, 5-rotary table, 6-rubber ring, 7-shelling box, 71-discharge port, 8-stirring sub device, 81-driving motor, 82-stirring frame, 83-stirring paddle, 9-crank rocker mechanism, 91-base, 92-supporting rod, 93-oscillating rod, 94-moving plate, 95-limiting piece, 96-rotating rod, 97-disc, 98-moving block, 10-separation box, 101-feed port, 102-electrostatic generator, 103-isolation plate, 11-feeding barrel, 111-first side wall, 112-feed port, 113-second side wall, 114-discharge port, 115-guide plate, 12-feeding mechanism, 121-upper conveying gear, 122-lower conveying gear, 123-conveying chain, 124-hopper, 13-recovery mechanism, 131-recovery material plate, 132-recovery material port and 133-recovery window.

Detailed Description

In order to make the technical solutions in the present invention better understood, the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Referring to fig. 1 to 4, there is shown a schematic structural diagram of a dehulling and crushing device for linseed oil production according to an embodiment of the present invention.

Flaxseed oil production is with shelling breaker includes hopper 1, with the unloading pipe 2 of 1 bottom intercommunication of hopper and with the unloading board 3 of unloading pipe 2 intercommunication.

The blanking tube 2 and the blanking plate 3 are both positioned in a crushing box 4, a turntable 5 is arranged in the crushing box 4 and above the blanking plate 3, a central shaft of the turntable 5 is connected with a driving motor, a rubber ring 6 is sleeved outside the turntable 5, as shown in fig. 2, a plurality of slide ways 61 are arranged on the outer surface of the rubber ring 6 along the axial direction, the slide ways 61 extend in the radial direction of the rubber ring 6, a blade 62 is fixed at the center of each slide way 61, and the outer surface of the rubber ring 6 is in contact with the blanking plate 3;

a feed opening 41 is formed at the tail end of the feed plate 3, the feed opening 41 is communicated with a shell removing box 7 downwards, and a stirring sub-device 8 is arranged in the shell removing box 7; a discharge port 71 is arranged at the bottom of the shelling box 7, and a crank and rocker mechanism 9 for opening or blocking the discharge port 71 is arranged at the discharge port 71.

The separation box 10 is communicated below the discharge port 71, the electrostatic generators 101 are symmetrically arranged on the left side and the right side of the feed port 101 of the separation box 10, the two partition plates 103 are symmetrically arranged at the bottom of the separation box 10, an adsorption cavity is formed between the partition plates 103 and the side wall of the separation box 10, and the electrostatic generators 102 are located at the top of the adsorption cavity.

When the flaxseed separating device is used, the flaxseeds are added into the hopper 1, the flaxseeds reach the discharging plate 3 along the discharging pipe 2, the outer surface of the rubber ring 6 outside the rotary disc 5 is in contact with the discharging plate 3, a downward road of the flaxseeds along the discharging plate 3 is blocked, the flaxseeds can only move downwards through the slide way 61 on the rubber ring 6, the slide way 61 is matched with the flaxseeds, the slide way 61 made of rubber has large friction force with the flaxseeds, and the flaxseeds cannot pass through the slide way 61 by themselves, so that the rotation of the rotary disc 5 drives the flaxseeds in the slide way 61 to move, meanwhile, the blades 62 in the slide way 61 cut the flaxseeds, the thickness of the blades 62 is matched with that of the flaxseeds, so that the flaxseeds are cracked, and are separated from the flaxseeds, and.

The flaxseeds cut by the blade 62 move downwards along the feed plate 3 to the feed opening 41 and fall into the hulling tank 7 from the feed opening 41, and the flaxseeds are stirred by the stirrer 8 in the hulling tank 7 in the falling process, so that the flaxseeds are thoroughly separated from the flaxseeds, and the subsequent husks and grains can be conveniently collected respectively.

The stirred flaxseeds enter the separation box 10 through the discharge port 71, the discharge port 71 can be opened or blocked at intervals by the crank and rocker mechanism 9 at the discharge port 71, the stirred flaxseeds can have static electricity due to stirring, the discharge port 71 is blocked by the crank and rocker mechanism 9, the stirred flaxseeds stay in the dehulling box 7 for a period of time until the discharge port 71 is opened by the crank and rocker mechanism 9, and the static electricity of the flaxseeds standing for a period of time is eliminated, so that the subsequent separation of hulls and grains in the separation box is not influenced.

When the material in the hulling box 7 enters the separating box 10, the electrostatic generators 101 are symmetrically arranged on the left side and the right side of the feed inlet 101 of the separating box 10, under the action of the electrostatic generators 101, the shell or the hull part is adsorbed in the adsorption cavity through the static electricity generated by the electrostatic generators 101, and the flax seed part directly falls to the bottom of the separating box 10, so that the separation of the shell and the particles is realized.

Specifically, in this embodiment, the stirring sub-device 8 includes a driving motor 81, an output shaft of the driving motor 81 is connected with a stirring frame 82, and a plurality of horizontally arranged stirring paddles 83 are fixed on the stirring frame 82; the stirring frame 82 is used for fixing the stirring paddles 83, and the stirring effect is increased by the aid of the stirring paddles 83; the driving motor 81 is located outside the shelling box 7, and the stirring frame 82 and the stirring paddle 83 are located inside the shelling box 7. The stirring frame 82 the output shaft of stirring rake 83 and driving motor 81 is hollow structure, just the stirring frame 82 the output shaft of stirring rake 83 and driving motor 81 is linked together, and the intercommunication has the hair-dryer on driving motor 81's the output shaft, the hair-dryer is located the decladding case 7 outside, be provided with a plurality of ventholes on the stirring rake 83. The blower is directly fixed on the output shaft of the driving motor 81, and the part of the output shaft close to the driving motor 81 can be a solid structure as long as the hollow structure is ensured from the part connected with the blower to the stirring frame 82.

Air outlets are formed in the stirring frame 82 and the stirring paddle 83 and are ventilated inwards, the wind power can be considered to be controlled, the stirring paddle 83 stirs the materials, air is blown out of the air outlets to blow the materials, and stirring and blowing are carried out to enable the flaxseed shells to be thoroughly separated from the flaxseeds.

Specifically, in the present embodiment, the crank-rocker mechanism 9 includes a base 91 and a moving plate 94. A support rod 92 is fixed on the base 91, one end of a swing rod 93 is hinged to the support rod 92 through a rotating shaft, a moving block 98 is hinged to the other end of the swing rod 93 through the rotating shaft, one end of a rotating rod 96 is hinged to the swing rod 93 through the rotating shaft, the other end of the rotating rod 96 is hinged to a disc 97 through the rotating shaft, and a central shaft of the disc 97 is fixedly connected with an output shaft of the driving motor 81. A limiting piece 95 is fixed at the bottom of the moving plate 94, a limiting cavity is formed at the bottom opening of the limiting piece 95, and the moving block 98 is located in the limiting cavity. A sliding groove matched with the moving plate 94 is arranged on the bottom plate of the shelling box 7.

In this embodiment, the central axis of the disc 97 is fixedly connected to the output shaft of the driving motor 81, the driving motor 81 is started to drive the disc 97 to rotate, the disc 97 rotates to drive the rotating rod 96 hinged on the disc 97 to move, since one end of the rotating lever 96 is hinged to the disc 97 and the other end is hinged to the swing lever 93, therefore, the rotating rod 96 performs a reciprocating motion along with the rotation of the disc 97, and drives the swinging rod 93 to swing left and right, because one end of the oscillating rod 93 is hinged with a moving block 98 which is positioned in a limit cavity on the moving plate 94, therefore, the left-right swing of the swing rod 93 drives the moving plate 94 to move left and right, as shown in fig. 1, the moving plate 94 moves right to open the discharge hole 71, the moving plate 94 moves left to close the discharge hole 71, and the length of the moving plate 94 is related to the left-right movement amplitude thereof, so that the moving plate 94 moves left and right to completely close or open the discharge hole 71.

In the above embodiment, the hopper 1 has a certain height, and the feeding efficiency in the hopper 1 is low by manpower, and the labor intensity is large, and further, in another embodiment of the present invention, the device further comprises a feeding sub-device for adding flaxseeds into the hopper 1, as shown in fig. 5, the feeding sub-device comprises a feeding barrel 11, and a feeding mechanism 12 is arranged in the feeding barrel 11.

The upper charging barrel 11 comprises a first side wall 111 and a second side wall 113 which are oppositely arranged, wherein a feeding opening 112 is arranged at the lower part of the first side wall 111, and a discharging opening 114 is arranged at the upper part of the second side wall 113.

The feeding mechanism 12 includes an upper conveying gear 121 and a lower conveying gear 122 disposed at upper and lower ends in the upper barrel 11, a conveying chain 123 wound around the upper conveying gear 121 and the lower conveying gear 122, and a plurality of hoppers 124 fixed outside the conveying chain 123, and axes of the upper conveying gear 121 and the lower conveying gear 122 are parallel to each other and perpendicular to a horizontal line connecting the first side wall 111 and the second side wall 113. The inner sides of the charging opening 112 and the discharging opening 114 are provided with material guide plates 115 for allowing the material to smoothly enter and exit the hopper 124.

In use, the feeding sub-mechanism is moved to one side of the hopper 1, with the discharge opening 114 above the hopper 1 and aligned with the hopper 1, flaxseed is then added from the feed port 112, guided by the feed port 112 and the guide plate 115, into the hopper 124, the hopper 124 moves from low to high under the drive of the transmission chain 33, when the hopper moves to the top of the charging barrel 11, the hopper 124 gradually rotates reversely, the flaxseeds inside the hopper are discharged from the discharge port 114 under the guiding action of the discharge port 114 and the guide plate 115, enter the hopper 1, the empty hopper 124 after unloading is driven by the transmission chain 123 to continue to move from high to low, and receives the material again when moving to the feeding port 112, and the hopper 1 is circularly moved under the driving of the conveying chain 123, so that the charging of the hopper 1 is completed, the manual labor is liberated to a great extent, the labor intensity is reduced, and the working efficiency is improved.

Furthermore, a support frame is arranged at the bottom of the upper charging barrel 11, the upper charging barrel 11 is positioned on the support frame, the support frame is of a telescopic structure, and the support frame of the telescopic structure is convenient for fine adjustment of the height of the charging barrel 11; the feeding sub-device further comprises a recovery mechanism 13, the recovery mechanism 13 is located at the bottom of the feeding barrel 11 and comprises a recovery material plate 131 and a recovery material port 132, two ends of the recovery material plate 131 are respectively connected with the bottom wall of the feeding barrel 11 and the second side wall 113 in a sealing mode, and the recovery material plate 131 is arranged on the bottom wall of the feeding barrel 11 and located between the recovery material plate 131 and the first side wall 111. The recycling mechanism 13 further includes a recycling window 133, and the recycling window 133 is disposed at the bottom of the first sidewall 111.

In the feeding process, there is some material to drop to the bottom of loading drum 11 in hopper 124, the material that drops is more from loading port 112 and discharge port 114, recovery flitch 131 that 113 supports setting at the diapire of loading drum 11 and second lateral wall is the slope form, the material that makes discharge port 114 department drop moves to first lateral wall 111's direction along recovery flitch 131, and be close to first lateral wall 111 department and set up recovery material mouth 132 in the bottom of loading drum 11, be convenient for retrieve the material that will drop from recovery material mouth 132 and continue the use, the material that has avoided dropping is stacked for a long time and is taking place the condition of matter change in the bottom of loading drum 11 and take place.

Although the recycling mechanism 13 can recycle most of the dropped materials, a small portion of the materials still cannot enter the recycling port 132 to be recycled at the edge of the recycling port 132, and the material is expected to be easily deteriorated at the bottom of the charging barrel 11, so that the environment in the charging barrel 11 is affected, and the quality of the materials is affected. Based on this, the recycling mechanism 1313 of this embodiment further includes a recycling window 133, and the recycling window 133 is disposed at the bottom of the first sidewall 111. The recycling window 133 can be opened for the materials that are not recycled through the recycling port 132, and the materials are manually fed into the recycling port 132 through observation, so as to ensure thorough recycling of the materials.

Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention do not depart from the spirit of the present invention, and shall also belong to the protection scope of the claims of the present invention.

Claims

1. A shelling and crushing device for linseed oil production is characterized by comprising a hopper (1), a blanking pipe (2) communicated with the bottom of the hopper (1), and a blanking plate (3) communicated with the blanking pipe (2);

the blanking tube (2) and the blanking plate (3) are both positioned in a crushing box (4), a turntable (5) is arranged in the crushing box (4) and above the blanking plate (3), a central shaft of the turntable (5) is connected with a driving motor, a rubber ring (6) is sleeved on the outer side of the turntable (5), a plurality of slide ways (61) are arranged on the outer surface of the rubber ring (6) along the axial direction, the slide ways (61) extend in the radial direction of the rubber ring (6), a blade (62) is fixed at the center of each slide way (61), and the outer surface of the rubber ring (6) is in contact with the blanking plate (3);

a feed opening (41) is formed at the tail end of the feed plate (3), the feed opening (41) is communicated with a shell removing box (7) downwards, and a stirring sub-device (8) is arranged in the shell removing box (7); a discharge hole (71) is formed in the bottom of the shelling box (7), and a crank and rocker mechanism (9) for opening or blocking the discharge hole (71) is arranged at the discharge hole (71);

discharge gate (71) below intercommunication separator box (10), the feed inlet (101) left and right sides symmetry of separator box (10) is provided with electrostatic generator (102), the bottom symmetry of separator box (10) is provided with two division boards (103), form the absorption chamber between the lateral wall of division board (103) and separator box (10), electrostatic generator (102) are located the top in absorption chamber.

2. A flaxseed oil production dehulling and crushing apparatus according to claim 1, wherein said agitator means (8) comprises a driving motor (81), an output shaft of said driving motor (81) is connected to an agitator frame (82), said agitator frame (82) is fixed with a plurality of horizontally arranged paddles (83); the driving motor (81) is located outside the shelling box (7), and the stirring frame (82) and the stirring paddle (83) are located in the shelling box (7).

3. A flaxseed oil production shelling and crushing apparatus as claimed in claim 2, wherein the output shafts of said agitator frame (82), said paddles (83) and said driving motor (81) are all hollow, and said agitator frame (82), said paddles (83) and said driving motor (81) are connected to each other, and the output shaft of said driving motor (81) is connected to a blower, said blower is located outside said shelling box (7), and said paddles (83) are provided with a plurality of air outlets.

4. A dehulling and crushing device for flaxseed oil production according to claim 1, wherein said crank and rocker mechanism (9) comprises a base (91) and a moving plate (94);

a support rod (92) is fixed on the base (91), one end of a swing rod (93) is hinged to the support rod (92) through a rotating shaft, the other end of the swing rod (93) is hinged to a moving block (98) through the rotating shaft, one end of a rotating rod (96) is hinged to the swing rod (93) through the rotating shaft, the other end of the rotating rod (96) is hinged to a disc (97) through the rotating shaft, and a central shaft of the disc (97) is fixedly connected with an output shaft of a driving motor (81);

a limiting piece (95) is fixed to the bottom of the moving plate (94), a limiting cavity is formed in an opening in the bottom of the limiting piece (95), and the moving block (98) is located in the limiting cavity.

5. A dehulling and crushing device for flaxseed oil production according to claim 4, wherein said dehulling tank (7) has a chute on its bottom plate for engaging with said moving plate (94).

6. A flaxseed oil production dehulling and crushing apparatus according to any one of claims 1-5, wherein the apparatus further comprises a feeding sub-apparatus, the feeding sub-apparatus comprises a feeding barrel (11), and a feeding mechanism (12) is arranged in the feeding barrel (11);

the upper charging barrel (11) comprises a first side wall (111) and a second side wall (113) which are oppositely arranged, the lower part of the first side wall (111) is provided with a charging opening (112), and the upper part of the second side wall (113) is provided with a discharging opening (114);

the feeding mechanism (12) comprises an upper conveying gear (121) and a lower conveying gear (122) which are arranged at the upper end and the lower end in the upper charging barrel (11), a conveying chain (123) wound on the upper conveying gear (121) and the lower conveying gear (122), and a plurality of hoppers (124) fixed on the outer side of the conveying chain (123), wherein the axes of the upper conveying gear (121) and the lower conveying gear (122) are parallel to each other and are perpendicular to the horizontal connecting line of the first side wall (111) and the second side wall (113).

7. A flaxseed oil production dehulling and crushing device according to claim 6, wherein a support frame is arranged at the bottom of said upper charging barrel (11), said upper charging barrel (11) is located on said support frame, and said support frame is a telescopic structure; the feeding sub-device further comprises a recovery mechanism (13), the recovery mechanism (13) is located at the bottom of the feeding barrel (11) and comprises a recovery material plate (131) and a recovery material port (132), two ends of the recovery material plate (131) are respectively connected with the bottom wall of the feeding barrel (11) and the second side wall (113) in a sealing mode, and the recovery material plate (131) is arranged on the bottom wall of the feeding barrel (11) and located between the recovery material plate (131) and the first side wall (111).

8. A dehulling and crushing device for flaxseed oil production according to claim 7, wherein said recovery mechanism (13) further comprises a recovery window (133), said recovery window (133) is disposed at the bottom of said first sidewall (111).

9. A flaxseed oil production dehulling and crushing apparatus according to claim 8, wherein said material inlet (112) and said material outlet (114) are provided with material guiding plates (115) inside for smooth material entering into said hopper (124).