CN115645978A

CN115645978A - Anthocyanin extraction element

Info

Publication number: CN115645978A
Application number: CN202211703222.0A
Authority: CN
Inventors: 杜红; 王洪涛; 王悦; 汤芳
Original assignee: Shandong Zhonghong Agricultural Biotechnology Co ltd
Current assignee: Shandong Zhonghong Agricultural Biotechnology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-01-31
Anticipated expiration: 2042-12-29
Also published as: CN115645978B

Abstract

The invention relates to the technical field of anthocyanin separation, in particular to an anthocyanin extraction device, wherein a crushing mechanism, a filter screen lifting mechanism and a pressure mechanism are installed in a tank body, the crushing mechanism is positioned above the filter screen lifting mechanism, the pressure mechanism is positioned at the top in the tank body, the filter screen lifting mechanism comprises a main driving part which is installed at the top in the tank body, the main driving part is coaxially connected with a speed reducing mechanism through a driving shaft, an output shaft of the speed reducing mechanism is coaxially and fixedly connected with a rotating sleeve, a slope part is arranged on the bottom surface inside the rotating sleeve, the slope part is arranged upwards, a lifting block is of a T-shaped structure, a lug is arranged on the bottom surface of the top of the lifting block, the lug can be gradually jacked up by the rotation of the slope part when the rotating sleeve rotates continuously, the lug can be separated from the slope part and directly fall onto the bottom surface inside the rotating sleeve, and the anthocyanin extraction device in the prior art is used for solving the technical problem of low extraction rate.

Description

Anthocyanin extraction element

Technical Field

The invention relates to the technical field of anthocyanin separation, and particularly relates to an anthocyanin extraction device.

Background

The anthocyanin is a water-soluble natural pigment, is safe and non-toxic, has certain nutritional and pharmacological functions, and has great application potential in the fields of food, medicine and the like, the black corn and the byproducts thereof contain high-content anthocyanin, the corn stigma anthocyanin content of the black corn is 4.75%, the corn bract anthocyanin content is 2.75%, the corn cob anthocyanin content is 1.32%, and compared with the fruit blueberry with high anthocyanin content (0.9%), the byproduct anthocyanin content of the black corn is higher. The extraction process flow of the anthocyanin generally comprises the steps of crushing, hot water extraction, direct acidolysis extraction, ultrasonic-assisted extraction, microwave-assisted extraction, centrifugation, supernatant taking, rotary evaporation concentration, drying, pigment crude extract, dilution and anthocyanin content determination, wherein the crushing and the extraction are generally separated and extracted by adopting a mechanical device.

The patent with the publication number of CN112823838A disclosed in the prior art improves the filtering effect of a filter screen by vibrating the filter screen back and forth up and down, but still has problems that the crushed larger particles are easy to deposit on the filter screen or cannot be crushed sufficiently at the corners of the filter screen, the filter screen is easy to block, the larger particles are difficult to vibrate from the filter screen for secondary crushing even if the filter screen is vibrated, the filter screen needs to be cleaned and maintained after the equipment runs for a period of time, and in addition, the device cannot effectively treat corn bracts with thicker fibers and the like; in the patent with the publication number of CN111714924B, a piston assembly is driven by a cylinder assembly to ascend and descend to rapidly change the ambient air pressure, so that the original anthocyanin components in the powder are separated from a powder main body, although an opening and closing hole assembly is arranged to achieve a certain sealing effect, because a raw material inlet is arranged on a frame shell, the sealing property of the raw material inlet is easily influenced, and the extraction solvent is generally volatile solvents such as ethanol and the like, the poor sealing property can influence the extraction effect of the anthocyanin; secondly, when the internal air pressure needs to be changed, the reliability of the system is reduced due to the matching of the sealing interfaces of the components; thirdly, when the pressure in the extraction tank needs to be controlled, the switches need to be controlled in sequence, and system failure can be caused when an operator is tired and operates by mistake. In summary, the anthocyanin extraction device in the prior art generally has the technical problem of low extraction rate.

Disclosure of Invention

The invention provides an anthocyanin extraction device aiming at the defects in the prior art, and aims to solve the technical problem of low extraction rate of the anthocyanin extraction device in the prior art.

The technical scheme for solving the technical problems is as follows: the utility model provides an anthocyanin extraction device, includes a jar body, this internal installation rubbing crusher of jar, filter screen elevating system and pressure mechanism, rubbing crusher constructs the top that is located filter screen elevating system, pressure mechanism is located jar internal top, filter screen elevating system is including installing the main drive portion at jar internal top, main drive portion passes through the driving shaft and constructs the coaxial coupling with speed reducer, speed reducer's output shaft and the coaxial fixed connection of rotatory sleeve, set up slope portion on the inside bottom surface of rotatory sleeve, slope portion sets up, and the elevator sets up to T type structure, and its top bottom surface sets up the lug, its slope portion is rotatory when rotatory rotating sleeve can jack-up the lug gradually, and when slope portion continues to rotate, the lug can break away from the slope portion and directly fall to the inside bottom surface of rotatory sleeve on, the bottom and the connecting rod of elevator can be dismantled with the filter screen connecting rod and be connected, filter screen connecting rod bottom and filter screen detachable connections, main drive portion and the driving shaft outside set up the guard shield, connecting cylinder bottom detachable connections, the connecting cylinder bottom detachable connections provides the guide cylinder of direction for the filter screen lift connecting rod, set up in the guard shield and the backup pad that supplies the driving shaft to rotate the installation, this boss, the cross-shaped spring connection boss that sets up and the cross-shaped mounting boss on the lower surface of the cover mounting of the rotary sleeve.

The invention has the beneficial effects that: through setting up filter screen elevating system, it is rotatory to specifically adopt main drive portion to drive rotatory sleeve, and then rotatory telescopic slope portion is rotatory, thereby the lug that acts on the elevator makes the elevator realize going up and down, under reset spring's elastic force effect after the lug breaks away from slope portion, the filter screen connecting rod drives the filter screen and descends suddenly, under the impact of filter screen below extract, adnexed particulate matter is smashed by rubbing crusher mechanism once more after being dashed on the filter screen, thereby crushing effect has been improved, prevent simultaneously that the particulate matter deposit from influencing crushing effect and drawing the effect on the filter screen.

On the basis of the technical scheme, the invention can be improved as follows.

Further, the projection of slope portion on rotatory sleeve is the semicircle ring, and the upper surface of this slope portion is the curved surface, and this curved surface opens the flat back formation curve and satisfies along the neutral plane of slope portion: 3X 10 ^-5 ≤h/s ² ≤5×10 ^-5 H is the height from the highest position of the slope part to the bottom surface of the rotating sleeve, and s is the length of the neutral surface of the slope part after being flattened.

The corn bract crusher has the advantages that the corn bract crusher can crush corn bracts with coarse fibers efficiently by limiting the rotating speed of the rotating sleeve and combining with the specific parameter limitation of the slope part, the lifting block can slowly ascend along the slope part at the initial stage by setting the curved surface shape of the slope part, then the ascending speed is higher and higher, and the phenomenon that the ascending acceleration of a filter screen is too high due to too high initial ascending speed is prevented.

Furthermore, rubbing crusher constructs including installing the driving gear on the driving shaft, the driving gear is installed with odd number crushing gear meshing, the central crushing shaft one end of crushing gear is rotated and is installed on the guard shield, and the other end rotates to be fixed on the support on the guard shield inner wall, crushing blade is installed to the free end of crushing shaft, the axis of crushing shaft is 30-45 with the axis contained angle of driving shaft.

The beneficial effect who adopts above-mentioned further scheme is that, through setting up the crushing blade of slope, avoided the rotatory phenomenon that produces centrifugal force of crushing blade that the level set up to lead to the material to gather at the filter screen edge to take place, be favorable to improving crushing effect.

Further, the filter screen sets up to the camber, and its cross-section includes central part, connecting portion and limit portion for symmetrical curve and one side curve, limit portion is the cylindrical filter screen that is close to with jar internal wall, and its upper end is provided with the convex part for realize up-and-down motion with the cooperation of filter screen spout, connecting portion are for using the free end of crushing axle as the centre of a circle, and the circular arc of the circle that forms with limit portion is tangent, limit portion is parallel with jar internal wall, the circle at central part place through the free end of crushing axle and the tip of filter screen connecting rod, with the circle inscribe at connecting portion place, constitute the arc cross-section of filter screen cross-section jointly through tip, connecting portion and the inscribe point of central part place circle, limit portion and the tie point of connecting portion.

The further scheme has the advantages that the shape of the filter screen is set, so that dead corners are avoided from being generated to form material deposition, and the crushing and extracting effects are further improved; especially, the arrangement can be adopted to obtain a flow field without dead zones, the flow of large particles with fibers is improved, the crushing effect on the large particles is increased, and therefore the extraction efficiency of anthocyanin is improved.

Furthermore, the section of the crushing blade is in a shape that one end of the crushing blade is blunt and one surface close to the crushing shaft is cut downwards to form a tip part at one end.

The beneficial effect who adopts above-mentioned further scheme is that, through the shape that sets up the blade, be favorable to producing backward appeal when rotatory to make whole mixture produce stable flow field, prevent the material deposit, be convenient for cut the material, and the leaching liquor can extract the anthocyanin in the material high-efficiently in the cutting process, prevents the material deposit.

Further, the pressure mechanism comprises a lifting power part arranged at the top of the tank body and a lifting cylinder which is positioned in the tank body and driven to lift by the lifting power part, the lifting cylinder is in sealing sliding installation with the inner wall of the tank body, an inner cylinder is arranged at the center of the lifting cylinder and is in sliding installation with a shield outside the main driving part, and the inner cylinder and the shield are provided with guide structures, so that the lifting cylinder can stably move up and down along the shield, a horizontal air inlet channel is arranged at the top of the lifting cylinder, when the lifting cylinder descends to completely block a feed inlet of the feed pipeline, the air inlet channel is communicated with an air inlet on the wall of the tank body, a lifting partition plate is arranged in the lifting cylinder in a horizontal sliding mode and divides the lifting cylinder into an air exchange cavity above and a crushing cavity below, and the air exchange cavity is communicated with the air inlet channel.

The beneficial effect who adopts above-mentioned further scheme is that, through setting up pressure mechanism, can realize adjusting the pressure to jar internal when making things convenient for the feeding, make jar internal production alternate malleation and negative pressure, anthocyanin's the effect of extracting is better.

Further, jar body bottom sets up the discharge gate that is equipped with the ooff valve, and this jar body bottom is established to the funnel shape, still installs supersonic generator and stirring rake on the infundibulate jar body bottom.

The adoption of the further scheme has the advantages that the switching valve is arranged, so that the closing of the discharge hole is controlled, and meanwhile, when the pressure reduction or pressure increase operation is carried out, the switching valve is closed, so that a closed space is provided for the tank body; by arranging the ultrasonic generator and the stirring paddle, the extraction effect is improved.

Further, a medium pipeline is arranged in the side wall of the tank body and used for circulating external media to control the temperature of the inner cavity of the tank body.

The beneficial effect of adopting the further scheme is that the medium pipeline is arranged, so that the temperature in the tank body can be controlled, and the anthocyanin can be fully extracted at the temperature of 40-60 degrees, which is most beneficial to the extraction of the anthocyanin.

Further, the limit portion outside of filter screen sets up the convex part, jar internal wall inboard sets up the filter screen spout that supplies the convex part reciprocating sliding.

Adopt above-mentioned further scheme's beneficial effect be, through setting up the convex part, improve the stability that the filter screen goes up and down, especially when material weight is great, prevent the limit portion and the internal wall friction of jar of filter screen, influence the vibrations effect of filter screen.

Further, the inner wall of the tank body is provided with a splash guard, an included angle between the splash guard and the inner wall of the tank body is 30 degrees, and the free end of the splash guard is in an oblique downward direction.

The beneficial effect who adopts above-mentioned further scheme is through setting up the splash shield, be favorable to preventing during the material granule gets into the gap with jar internal wall along the filter screen, and then avoid the circumstances such as card dead to take place.

Drawings

FIG. 1 is a schematic diagram of the feed state of the present invention;

FIG. 2 is a schematic diagram of the pressurized or depressurized state of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 4 is an enlarged schematic view of the structure at B in FIG. 2;

FIG. 5 is a perspective view of the rotating sleeve;

FIG. 6 is a schematic cross-sectional view of the elevator block;

FIG. 7 is a cross-sectional view taken at C-C of FIG. 1;

FIG. 8 is a schematic view of the slope portion of FIG. 5 cut and flattened along the neutral plane of the slope portion;

fig. 9 is an enlarged schematic view of the structure at D in fig. 1.

In the figure, 1, a main driving part, 2, a lifting power part, 3, an air inlet channel, 4, a sealing cover, 5, an air inlet, 6, a tank body, 7, a ventilation cavity, 8, a lifting partition plate, 9, a lifting cylinder, 10, an inner cylinder, 11, a splash guard, 12, a filter screen chute, 13, a filter screen, 14, a crushing blade, 15, an ultrasonic generator, 16, a discharge port, 17, a stirring paddle, 18, a filter screen connecting rod, 19, a connecting cylinder, 20, a shield, 21, a feeding pipeline, 22, a driving shaft, 23, a support, 24, a crushing gear, 25, a crushing shaft, 26, a driving gear, 27, a guide cylinder, 28, a return spring, 29, a connecting pin shaft, 30, a lifting block, 31, a rotating sleeve, 32, a speed reducing mechanism, 33, a slope part, 34, a medium pipeline, 35, a bump, 36, a blunt part, 37, a tip part, 38, a top plate, 39, a transverse part, 40, a slope part neutral surface, 41, a boss, 42 and a supporting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments 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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to 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 the attached drawings 1 and 2, the anthocyanin extracting device comprises a cylindrical tank body 6, a sealing cover 4 is detachably mounted at the top of the tank body 6, a discharge hole 16 provided with an electric switch valve is formed in the bottom of the tank body 6, the bottom of the tank body 6 is set to be in a funnel shape, an ultrasonic generator 15 and a stirring paddle 17 are further mounted on the bottom of the funnel-shaped tank body 6, the switch valve is arranged, closing of the discharge hole 16 is favorably controlled, meanwhile, when pressure reduction or pressure boosting operation is carried out, the switch valve is closed, a closed space is provided for the tank body 6, and the extraction effect is favorably improved by arranging the ultrasonic generator 15 and the stirring paddle 17. The side wall of the tank body 6 is also internally provided with a hollow medium pipeline 34, an inlet and an outlet of the medium pipeline 34 are communicated with external cooling media or heating media, the medium pipeline 34 is used for circulating external media to control the temperature of the inner cavity of the tank body 6, and the medium pipeline 34 is favorable for controlling the temperature in the tank body 6, so that the anthocyanin is fully extracted at the temperature which is most favorable for the extraction of the anthocyanin and is 40-60 degrees. The limit portion outside of filter screen 13 sets up the convex part of convex point form, 6 inner walls inboard of the jar body sets up the filter screen spout 12 that supplies convex part reciprocating sliding, through setting up the convex part, improves the stability that filter screen 13 goes up and down, especially when material weight is great, prevents that the limit portion of filter screen 13 and the friction of 6 inner walls of the jar body from influencing the vibrations effect of filter screen. The 6 inner walls of the jar body set up with jar 6 internal weld connection's splash shield 11, and this splash shield 11 is 30 and the free end of splash shield 11 is the oblique downward direction with jar 6 inner wall contained angle, through setting up splash shield 11, is favorable to preventing during material granule gets into along filter screen 13 and jar the gap of 6 inner walls of the body, and then avoids the card condition such as dead to take place.

Referring to fig. 1, 3 and 9, a tank 6 is internally provided with a crushing mechanism, a filter screen lifting mechanism and a pressure mechanism, the crushing mechanism is positioned above the filter screen lifting mechanism, the pressure mechanism is positioned at the top part in the tank 6, the filter screen lifting mechanism comprises a main driving part 1 arranged on a sealing cover 4 at the top part of the tank 6, the main driving part 1 adopts a motor, the main driving part 1 is coaxially connected with a speed reducing mechanism 32 through a driving shaft 22, an output shaft of the speed reducing mechanism 32 is coaxially and fixedly connected with a rotating sleeve 31, in the invention, the speed reducing mechanism 32 can be arranged according to a speed reducing ratio, such as a harmonic speed reducer or a planetary speed reducer, the rotating speed of the driving shaft 22 is reduced to 100-150r/min through the speed reducing mechanism 32, the speed reducing mechanism 32 adopts a planetary speed reducing device, on one hand, the structure is mature and has high reliability, the lifting block 30 is of a T-shaped structure, the bottom surface of the top of the lifting block 30 is provided with a lug 35, the slope part 33 of the rotating sleeve 31 rotates to gradually jack the lug 35, and when the slope part 33 rotates continuously, the lug 35 can be separated from the slope part 33 and directly falls onto the bottom surface of the rotating sleeve 31, the bottom of lifter block 30 can be dismantled with filter screen connecting rod 18 and be connected, specifically, is connected through connecting pin axle 29, filter screen connecting rod 18 bottom can be dismantled with filter screen 13 and be connected, main drive portion 1 and the driving shaft 22 outside set up guard shield 20, guard shield 20 bottom demountable

installation connecting cylinder

19, 19 bottom demountable installation of connecting cylinder provide the guide cylinder 27 of direction for filter screen connecting rod 18 goes up and down, guard shield 20, connecting cylinder 19 and guide cylinder 27 can be dismantled evenIt does benefit to installing inside reduction gears 32, rotatory sleeve 31, elevator 30 and filter screen connecting rod 18 to have connect, set up in the guard shield 20 and supply driving shaft 22 to pass and rather than rotate the backup pad 42 of installation, 19 inside bosses 41 that set up of connecting cylinder, this boss 41 upper surface is used for supporting rotatory sleeve 31 and rotates the installation, filter screen connecting rod 18 sets up to installation reset spring 28 between the lower surface of cross-section cross and its cross horizontal portion 39's upper surface and connecting cylinder 19. Referring to fig. 5 and 8, the projection of the slope portion 33 in the top view direction on the rotating sleeve 31 is a semicircular ring, the upper surface of the slope portion 33 is a curved surface, and the curved surface is cut and flattened along the neutral surface 40 of the slope portion to form a curve and satisfies: 3 x 10 ^-5 ≤h/s ² ≤5×10 ^-5 The invention can efficiently crush corn bracts with coarse fibers by limiting the rotation speed of the rotating sleeve 31 and combining the specific parameters of the slope part 33, and realizes that the lifting block 30 slowly rises along the slope part 33 in the initial period by setting the curved surface shape of the slope part 33, then the rising speed is faster and faster, so that the phenomenon that the rising acceleration of the screen is too high due to too fast initial rising speed is prevented, when the bump 35 gradually moves upwards along the curved surface of the slope part 33 until the peak, the bump falls downwards to drive the screen 13 to move downwards, so that larger materials with fibers are separated from the screen 13, and the screen 13 has a pressing-down effect on the leaching solution at the moment, so that the leaching solution has a downward movement tendency relative to the screen 13 even if the screen 13 is at the lowest position, the acceleration of the screen 13 is set to be small enough to prevent the acceleration from being too high, so that the materials are stuck on the screen 13 and have a large adhesion force, and the leaching solution 13 can be lifted upwards to extract the materials with the slope part 13, so that the leaching solution can be conveniently extracted from the screen 13 by the anthocyanin and the secondary crushing mechanism of the corn bracts with the anthocyanin and the slope 13.

Referring to fig. 1 and 4, the crushing mechanism includes a driving gear 26 mounted on a driving shaft 22, the driving gear 26 is a bevel gear, the driving gear 26 is mounted in mesh with an odd number of crushing gears 24, where the number of the crushing gears 24 is 3 or 5, the number of the crushing gears 24 is set to be an odd number, which is advantageous for preventing the mixture from forming a motion dead zone when the even number of the crushing gears 24 are operated simultaneously, and reducing the crushing effect, a central crushing shaft 25 of the crushing gears 24 is rotatably mounted on a shield 20 through a bearing at one end thereof, and at the other end thereof is rotatably mounted on a support 23 on the inner wall of the shield 20 through a bearing at the other end thereof, a crushing blade 14 is mounted at a free end of the crushing shaft 25, an angle of 30 to 45 degrees is formed between an axis of the crushing shaft 25 and an axis of the driving shaft 22, by providing an inclined crushing blade 14, thereby preventing the phenomenon that the material is gathered at the edge of a filter screen due to centrifugal force generated by rotation of the horizontally provided crushing blade 14, which is advantageous for improving the crushing effect, and the sectional shape of the crushing blade 14 is a blunt portion 36 and an end 37 formed by providing a shape of a tip portion cut down along the tip portion thereof, thereby facilitating the extraction of the material, and preventing the material from being deposited in the whole flow field, and preventing the material from being deposited in the extraction process, thereby facilitating the extraction of the material.

Referring to fig. 4, the filter screen 13 is in an arc shape, the cross section of the filter screen 13 is a symmetrical curve, a curve on one side of the filter screen includes a central portion bc, a connecting portion ab and an edge portion ad, the edge portion ad is a cylindrical filter screen close to the inner wall of the tank body 6, a convex portion is arranged at the upper end of the cylindrical filter screen and used for being matched with the filter screen chute 12 to realize vertical reciprocating motion, the connecting portion ab is a part of an arc of a circle formed by taking the free end o of the crushing shaft 25 as a circle center and being tangent to the edge portion ad, the edge portion ad is parallel to the inner wall of the tank body 6, the circle where the central portion bc is located passes through the free end o of the crushing shaft 25 and the end c of the filter screen connecting rod 18 and is inscribed to the circle where the connecting portion ab is located, the arc-shaped cross section of the filter screen 13 is formed by the end c of the filter screen connecting rod 18, the inscribed point b of the circle where the central portion bc and the connecting point a of the edge ad and the connecting portion ab, and the shape of the filter screen 13 is arranged, dead angle is avoided to form material deposition, and further improve crushing and extraction effects. Especially, the arrangement can be adopted to obtain a flow field without dead zones, improve the flowability of large particles with fibers, and increase the crushing effect of the large particles, so that the extraction efficiency of the anthocyanin is improved.

Referring to the attached drawings 1 and 2, the pressure mechanism comprises a lifting power part 2 installed at the top of the tank body 6 and a lifting cylinder 9 located inside the tank body 6 and driven to lift by the lifting power part 2, the lifting power part 2 adopts an air cylinder or a hydraulic cylinder, the lifting cylinder 9 is installed with the inner wall of the tank body 6 in a sealing and sliding manner, an inner cylinder 10 in an annular shape with the lifting cylinder 9 is arranged at the center of the lifting cylinder 9, the inner cylinder 10 is installed with a shield 20 outside the main driving part 1 in a sliding manner, the inner cylinder 10 and the shield 20 are provided with a guide structure, so that the lifting cylinder 9 can stably move up and down along the shield 20, a horizontal air inlet channel 3 is arranged at the top of the lifting cylinder 9, when the lifting cylinder 9 descends to completely block a feed port of the feed pipe 21, the air inlet channel 3 is communicated with an air inlet 5 on the wall of the tank body 6, a lifting partition plate 8 is installed inside the lifting cylinder 9 in a horizontal sliding manner, the lifting partition plate 8 divides the lifting cylinder 9 into an air exchange cavity 7 above the lifting cylinder 9 and a crushing cavity below, the air cavity 7 and the air inlet channel is communicated with the air inlet channel, and the pressure mechanism is arranged, so that pressure regulation can be conveniently carried out on the inside the tank body 6 while the pressure regulation can be carried out, and the tank body 6, and the negative pressure can be better effect of extracting anthocyanin under the environment under the positive pressure can be better.

The working principle is as follows: when the device is used for crushing and extracting anthocyanin, the discharge hole 16 is closed, materials and extracting solution are thrown into the tank body 6 from the feed inlet, the lifting power part 2 drives the lifting cylinder 9 to descend along the inner wall of the tank body 6 until the lifting cylinder 9 completely covers the feed inlet, at the moment, the air inlet 3 on the lifting cylinder 9 is communicated with the air inlet 5 on the wall of the tank body 6, the air inlet 5 is communicated with external pressure generating equipment, positive pressure and negative pressure alternate extraction is controlled in the tank body 6, the extraction efficiency of the anthocyanin is improved, the main driving part 1 rotates to drive the driving shaft 22 to rotate, the driving gear 26 on the driving shaft 22 rotates to drive the crushing gear 24 meshed with the driving gear to rotate, the crushing gear 24 drives the crushing blade 14 to rotate to crush the materials above the filter screen 13, and the driving shaft 22 rotates while driving the rotating sleeve 31 to rotate through the speed reducing mechanism 32, under the action of the slope part 33 in the rotary sleeve 31, the lifting block 30 drives the filter screen 13 to ascend through the filter screen connecting rod 18 until the bump 35 of the lifting block 30 is separated from the slope part 33 and rapidly descends under the action of the return spring 28, at the moment, the filter screen 13 suddenly descends, large materials with fibers are separated from the filter screen 13, the crushing blade 14 has backward suction force and is sucked into a crushing area for crushing, the crushing area is a cutting area of the crushing blade 14, and the rest materials which are not crushed move in a flow field, as shown in fig. 1, are difficult to deposit at the bottom of the filter screen 13, so that the large materials with fibers move in the flow field and repeatedly enter the crushing area for crushing, the crushing effect of the materials is improved, the leaching liquor is fully contacted with the materials, and the extraction rate of anthocyanin is increased; when the slope part 33 of the rotating sleeve 31 rotates to the bump 35 of the lifting block 30, the lifting block 30 is jacked up again, the filter screen 13 is intermittently and slowly lifted and rapidly lowered, the ultrasonic generator 15 performs auxiliary extraction on anthocyanin in the tank body 6, and the stirring paddle 17 fully stirs liquid in the tank body 6 to make the liquid uniform.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides an anthocyanin extraction element, includes jar body (6), installation rubbing crusher constructs its characterized in that in this jar body (6): still include filter screen elevating system and pressure mechanism, rubbing crusher constructs the top that is located filter screen elevating system, pressure mechanism is located the top in jar body (6), filter screen elevating system is including installing main drive portion (1) at jar body (6) interior top, main drive portion (1) through driving shaft (22) and reduction gears (32) coaxial coupling, the output shaft and the coaxial fixed connection of rotatory sleeve (31) of reduction gears (32), set up slope portion (33) on rotatory sleeve (31) inside bottom surface, slope portion (33) set up, elevator (30) set up to T type structure, its top bottom surface sets up lug (35), its slope portion (33) are rotatory can jack-up lug (35) gradually when rotatory sleeve (31) is rotatory, and when slope portion (33) continue to rotate, lug (35) can break away from slope portion (33) and directly fall on the inside bottom surface of rotatory sleeve (31), the bottom and the detachable connection of elevator (30) filter screen connecting rod (18), filter screen connecting rod (18) bottom and filter screen (13) bottom are connected, main drive portion (13) are connected the filter screen elevating system is connected with detachable connection shield (19), the detachable connection shield (19) outside the detachable connection shield (19) is provided, drive portion (19), set up in guard shield (20) and supply driving shaft (22) to pass and rather than rotate backup pad (42) of installation, connecting cylinder (19) inside sets up boss (41), and this boss (41) upper surface is used for supporting rotatory sleeve (31) and rotates the installation, filter screen connecting rod (18) set up to installation reset spring (28) between the lower surface of the upper surface of cross-section cross and its cross horizontal portion (39) and connecting cylinder (19).

2. The anthocyanin extraction device of claim 1, wherein: the projection of the slope part (33) on the rotating sleeve (31) is a semicircular ring, the upper surface of the slope part (33) is a curved surface, and the curved surface is cut and flattened along a neutral surface (40) of the slope part to form a curve and meets the following requirements: 3X 10 ^-5 ≤h/s ² ≤5×10 ^-5 Wherein h is the height from the highest position of the slope part (33) to the bottom surface of the rotating sleeve (31), and s is the length of the neutral surface (40) of the slope part after being flattened.

3. The anthocyanin extraction device of claim 2, wherein: the crushing mechanism comprises a driving gear (26) installed on a driving shaft (22), the driving gear (26) is meshed with an odd number of crushing gears (24), one end of a central crushing shaft (25) of each crushing gear (24) is rotatably installed on a shield (20), the other end of the central crushing shaft is rotatably fixed on a support (23) on the inner wall of the shield (20), crushing blades (14) are installed at the free ends of the crushing shafts (25), and the included angle between the axis of each crushing shaft (25) and the axis of the driving shaft (22) ranges from 30 degrees to 45 degrees.

4. The anthocyanin extraction device of claim 3, wherein: filter screen (13) set up to the camber, and its cross-section includes central part, connecting portion and limit portion for symmetrical curve and one side curve, limit portion be with jar cylindrical filter screen that body (6) inner wall is close to, and its upper end is provided with the convex part for realize reciprocating motion from top to bottom with filter screen spout (12) cooperation, connecting portion are for the free end that uses crushing shaft (25) as the centre of a circle, with the tangent partly of the circular arc of the circle that forms of limit portion, limit portion and jar body (6) inner wall are parallel, the circle at central part place through the free end of crushing shaft (25) and the tip of filter screen connecting rod (18), with the circle inscribe at connecting portion place, constitute the arc cross-section of filter screen cross-section jointly through tip, connecting portion and the interior tangent point of the circle at central part place circle, limit portion and connecting portion of filter screen connecting rod (18).

5. The anthocyanin extraction device of claim 3, wherein: the section of the crushing blade (14) is in a shape of a blunt part (36) at one end and a tip part (37) at one end, which is formed by downwards cutting one surface close to the crushing shaft (25).

6. The anthocyanin extraction device of claim 5, wherein: the pressure mechanism comprises a lifting power part (2) arranged at the top of the tank body (6) and a lifting cylinder (9) which is arranged inside the tank body (6) and is driven to lift by the lifting power part (2), the lifting cylinder (9) and the inner wall of the tank body (6) are in sealed sliding installation, an inner cylinder (10) is arranged at the center of the lifting cylinder (9), the inner cylinder (10) and a shield (20) outside the main driving part (1) are in sliding installation, a guide structure is arranged between the inner cylinder (10) and the shield (20), the lifting cylinder (9) can stably move up and down along the shield (20), a horizontal air inlet channel (3) is arranged at the top of the lifting cylinder (9), when the lifting cylinder (9) descends to a feed inlet of a complete feed pipeline (21), the air inlet channel (3) is communicated with an air inlet (5) on the wall of the tank body (6), a lifting partition plate (8) is horizontally and slidably arranged inside the lifting partition plate (9), and the lifting partition plate (8) separates the lifting cylinder (9) into a ventilation cavity (7) above and a crushing cavity below, and the ventilation cavity (7) is communicated with the air inlet channel (3).

7. The anthocyanin extraction device of claim 6, wherein: the bottom of the tank body (6) is provided with a discharge hole (16) provided with a switch valve, the bottom of the tank body (6) is designed into a funnel shape, and the bottom of the funnel-shaped tank body (6) is also provided with an ultrasonic generator (15) and a stirring paddle (17).

8. The anthocyanin extraction device of claim 7, wherein: a medium pipeline (34) is further arranged in the side wall of the tank body (6), and the medium pipeline (34) is used for circulating external media to control the temperature of the inner cavity of the tank body (6).

9. The anthocyanin extraction device of any one of claims 1 to 8, wherein: the outside of the edge of the filter screen (13) is provided with a convex part, and the inside of the inner wall of the tank body (6) is provided with a filter screen chute (12) for the convex part to slide in a reciprocating manner.

10. The anthocyanin extraction device of claim 9, wherein: the inner wall of the tank body (6) is provided with a splash guard (11), an included angle between the splash guard (11) and the inner wall of the tank body (6) is 30 degrees, and the free end of the splash guard (11) is in an oblique downward direction.