CN115645978B

CN115645978B - Anthocyanin extraction element

Info

Publication number: CN115645978B
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: 2023-03-17
Anticipated expiration: 2042-12-29
Also published as: CN115645978A

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, crude pigment 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 is characterized in that a filter screen vibrates up and down, so that the filtering effect of the filter screen is improved, but problems still exist, for example, crushed larger particles are easy to deposit on the filter screen or cannot be fully crushed on corners of the filter screen, so that the filter screen is easy to block, the larger particles are difficult to vibrate from the filter screen to be crushed again even if the filter screen is vibrated, so that 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 an air cylinder assembly to ascend and descend to quickly 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 play a certain sealing effect, because a raw material inlet is formed in a housing of a rack, the tightness of the raw material inlet is easily influenced, and the extraction solvent is generally volatile solvent such as ethanol, the poor tightness 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 conclusion, 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 beneficial effects of the invention are: 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 further 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: 3 x 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 effects of adopting above-mentioned further scheme are that, through setting up the crushing blade of slope, avoided the rotatory phenomenon that produces centrifugal force of the crushing blade of level setting and 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 cambered surface shape, 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 is tangent with limit portion, limit portion and jar internal wall are parallel, 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, the arc cross-section of filter screen cross-section is constituteed jointly to the inscribe point through tip, connecting portion and the circle at central part place, limit portion and the tie point of connecting portion of filter screen connecting rod.

The adoption of the further scheme has the beneficial effects that the shape of the filter screen is arranged, 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.

Further, the section of the crushing blade is in a shape that one end of the 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 arranged 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, the center of the lifting cylinder is provided with an inner cylinder, the inner cylinder 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, the top of the lifting cylinder is provided with a horizontal air inlet channel, when the lifting cylinder descends to completely block a feed inlet of a 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 horizontal sliding installation in the lifting cylinder, the lifting partition plate separates 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 technical scheme has the advantages that the switching valve is arranged, so that the closing of the discharge hole can be controlled conveniently, 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 which is most beneficial to the extraction of the anthocyanin and is 40-60 degrees.

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 to 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.

Furthermore, the inner wall of the tank body is provided with a splash guard, the 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 view of the construction of the present invention in a pressurized or depressurized state;

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to 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 shape, jar body 6 inner wall inboard 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 jar body 6 inner wall friction 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, fig. 3 and fig. 9, a crushing mechanism, a filter screen lifting mechanism and a pressure mechanism are arranged in a tank body 6, the crushing mechanism is arranged above the filter screen lifting mechanism, the pressure mechanism is arranged at the top in the tank body 6, the filter screen lifting mechanism comprises a main driving part 1 arranged on a sealing cover 4 at the top of the tank body 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, and the speed reducing mechanism 32 adopts a planetary speed reducing device, on one hand, the structure is mature, and has high reliabilityThe lifting device comprises an inner gear ring which coaxially rotates with a driving shaft 22, a central sun gear and a planetary gear which is simultaneously meshed with the sun gear and the inner gear ring, wherein the sun gear is fixedly connected with a rotating sleeve 31, specifically, the sun gear is fixedly connected with a top plate 38 of the rotating sleeve 31, the rotating sleeve 31 is of a split structure, the lifting block 30 is convenient to mount, the rotating sleeve 31 rotates to realize the reciprocating lifting action of the lifting block 30, specifically, a slope part 33 is arranged on the inner bottom surface of the rotating sleeve 31, the slope part 33 is arranged upwards, referring to figures 3, 5 and 6, the lifting block 30 is of a T-shaped structure, a lug 35 is arranged on the bottom surface of the top of the lifting block 30, the slope part 33 of the rotating sleeve 31 rotates to gradually jack up the lug 35, and when the slope part 33 continues to rotate, the lug 35 can be separated from the slope part 33 and directly fall onto the inner bottom surface of the rotating sleeve 31, the bottom of elevator 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 provides 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 to be connected and are favorable to installing inside reduction gears 32, rotatory sleeve 31, elevator 30 and filter screen connecting rod 18, set up in the guard shield 20 and supply driving shaft 22 to pass and rather than the backup pad 42 of rotating the 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 the cross-shaped and its cross-shaped cross portion 39's upper surface and the lower surface of connecting cylinder 19 between the installation again A spring 28. 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: 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, h is preferably 10-20mm in the invention, and s is the length of the neutral surface 40 of the slope part after being flattened, the invention limits the rotating speed of the rotating sleeve 31, andthe corn bract with coarse fiber can be efficiently crushed by combining the specific parameter limitation of the slope part 33, the lifting block 30 can slowly ascend along the slope part 33 in the initial stage by setting the curved surface shape of the slope part 33, then the ascending speed is faster and faster, the phenomenon that the ascending acceleration of the filter screen is too high due to the too high initial ascending speed is prevented, when the bump 35 moves upwards gradually along the curved surface of the slope part 33 until the bump reaches the highest point, the bump falls down suddenly to drive the filter screen 13 to move downwards, so that the larger material with fiber is separated from the filter screen 13, at the moment, the filter screen 13 has the effect of pressing down on the leaching solution, so that even if the filter screen 13 is at the lowest position, the leaching solution has the trend of moving downwards relative to the filter screen 13, at the moment, the acceleration of the filter screen 13 should be set to be small enough to prevent the acceleration from being too high, so that the material is clamped on the filter screen 13 and has high adhesion, and when the leaching solution moves upwards along with the filter screen 13, the upward movement, the acceleration of the filter screen 13 can be improved, and the acceleration of the filter screen 13 can be improved.

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 meshed with an odd number of crushing gears 24, where the number of the crushing gears 24 is 3 or 5, the odd number of the crushing gears 24 is set to be favorable for preventing the mixture from forming a motion dead zone when the even number of the crushing gears 24 are simultaneously operated, the crushing effect is reduced, one end of a central crushing shaft 25 of the crushing gears 24 is rotatably mounted on a shield 20 through a bearing, the other end of the central crushing shaft is rotatably fixed on a support 23 on the inner wall of the shield 20 through a bearing, a crushing blade 14 is mounted at a free end of the crushing shaft 25, an included angle between the axis of the crushing shaft 25 and the axis of the driving shaft 22 is 30-45 °, the inclined crushing blade 14 is provided to prevent the phenomenon that the material is gathered at the edge of the filter screen due to the centrifugal force generated by the rotation of the horizontally arranged crushing blade 14, the crushing effect is improved, the sectional shape of the crushing blade 14 is a blunt portion 36 and an end 37 formed by the downward cutting tip portion near the surface of the crushing shaft 25, the tip portion 37 is provided to facilitate the attraction generated by the rotation of the blade, thereby preventing the material from being efficiently cut in the whole material from being deposited in the whole flow field, and preventing the material from being deposited in the leaching liquid.

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 fig. 1 and 2, the pressure mechanism includes a lifting power portion 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 portion 2, the lifting power portion 2 employs an air cylinder or a hydraulic cylinder, the lifting cylinder 9 is slidably installed in a sealed manner with the inner wall of the tank body 6, an inner cylinder 10 in an annular shape with the lifting cylinder 9 is disposed at the center of the lifting cylinder 9, the inner cylinder 10 is slidably installed with a shield 20 outside the main driving portion 1, and the inner cylinder 10 and the shield 20 are provided with a guiding structure, so that the lifting cylinder 9 can stably move up and down along the shield 20, a horizontal air inlet channel 3 is disposed at the top of the lifting cylinder 9, when the lifting cylinder 9 descends to completely block the feed inlet 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 horizontally slidably installed inside the lifting cylinder 9, the lifting partition plate 8 separates an air exchange cavity 7 above the lifting cylinder 9 and a crushing cavity below the lifting cylinder 9, the air inlet channel 7 is communicated with the air inlet channel, and the pressure mechanism is conveniently fed, so that pressure can be adjusted inside the tank body 6 to generate alternate positive pressure and negative pressure and the negative pressure can be better extracted under the environment.

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), and the installation rubbing crusher constructs in this jar body (6), its characterized in that: 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), a support plate (42) which is used for the driving shaft (22) to penetrate through and is rotatably installed with the driving shaft is arranged in the shield (20), a boss (41) is arranged in the connecting cylinder (19), the upper surface of the boss (41) is used for supporting the rotary sleeve (31) to be rotatably installed, the filter screen connecting rod (18) is cross-shaped in section, and a return spring (28) is arranged between the upper surface of a cross-shaped transverse part (39) of the filter screen connecting rod and the lower surface of the connecting cylinder (19); 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 along the neutral plane (4) of the slope part0) The curve is formed after cutting and flattening and meets the following requirements: 3X 10 ^-5 ≤h/s ² ≤5×10 ^-5 H is the height of slope portion (33) highest point apart from rotating sleeve (31) bottom surface, s is the length after slope portion neutral surface (40) exhibition is flat, pressure mechanism is including installing lift power portion (2) at jar body (6) top and being located jar body (6) inside and by lift section of thick bamboo (9) of lift power portion (2) drive lift, this lift section of thick bamboo (9) and jar body (6) inner wall sealing sliding installation, the center of this lift section of thick bamboo (9) sets up inner tube (10), this inner tube (10) and the outside guard shield (20) sliding installation of main drive portion (1), and inner tube (10) and guard shield (20) are provided with guide structure for lift section of thick bamboo (9) can be along guard shield (20) stable up-and-down motion, lift section of thick bamboo (9) top sets up horizontal air inlet duct (3), when lift section of thick bamboo (9) descends to the feed inlet of stopping up feed pipeline (21) completely, its air inlet duct (3) and jar body (6) wall on feed inlet (5) intercommunication, the inside horizontal sliding installation baffle (8) of this lift section of thick bamboo (9) and this air change air chamber (7) and smash ventilation chamber (7).

2. The anthocyanin extraction device of claim 1, 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.

3. The anthocyanin extraction device of claim 2, wherein: filter screen (13) sets up to the cambered surface shape, and its cross-section is symmetrical curve and one side curve includes central part, connecting portion and limit portion, limit portion is for the cylindrical filter screen that is close to with jar body (6) inner wall, 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 the free end that uses crushing axle (25) as the centre of a circle, and 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 axle (25) and the tip of filter screen connecting rod (18), with the circle inscribe at connecting portion place, constitute the cambered cross-section of filter screen cross-section jointly through tip, connecting portion and the interior tangent point of the circle at central part place of filter screen connecting rod (18), the tie point of limit portion and connecting portion.

4. The anthocyanin extraction device of claim 2, 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).

5. The anthocyanin extraction device of claim 1, 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).

6. The anthocyanin extraction device of claim 5, 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).

7. The anthocyanin extraction device of any one of claims 1 to 6, wherein: the outside of the edge of the filter screen (13) is provided with a convex part, and the inner side 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 way.

8. The anthocyanin extraction device of claim 7, 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.