CN112640969B - Dark tea pile fermentation aging machine and pile fermentation process thereof - Google Patents
Dark tea pile fermentation aging machine and pile fermentation process thereof Download PDFInfo
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- CN112640969B CN112640969B CN202011528439.3A CN202011528439A CN112640969B CN 112640969 B CN112640969 B CN 112640969B CN 202011528439 A CN202011528439 A CN 202011528439A CN 112640969 B CN112640969 B CN 112640969B
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/06—Treating tea before extraction; Preparations produced thereby
- A23F3/08—Oxidation; Fermentation
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/06—Treating tea before extraction; Preparations produced thereby
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/001—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement the material moving down superimposed floors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/20—Teas, i.e. drying, conditioning, withering of tea leaves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
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- Chemical & Material Sciences (AREA)
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- Polymers & Plastics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Tea And Coffee (AREA)
Abstract
The invention relates to the technical field of black tea preparation equipment, in particular to a black tea pile fermentation aging machine and a pile fermentation process thereof. Comprises a shell, wherein a cavity is arranged in the shell, and a cover plate is arranged on the shell; the cavity is internally provided with a pile fermentation mechanism, the pile fermentation mechanism comprises a mounting block, two sides of the mounting block are symmetrically hinged with baffle plates, a lifting cavity is arranged in the mounting block, the side wall of the cavity is provided with a first hinge hole, the baffle plates are provided with first hinge shafts, the end parts of the baffle plates are provided with clamping grooves, and fixing rods are arranged in the clamping grooves; the lifting cavity is internally provided with a lifting plate, a sliding groove is arranged in the lifting plate, and a screw rod which can rotate and is arranged in the lifting cavity in a way that threads penetrate through the lifting plate is arranged; a rotating shaft is uniformly arranged between the upper side surface of the mounting block and the cover plate, a spiral blade is arranged on the rotating shaft, a feed inlet positioned above the pile fermentation mechanism is arranged on the side surface of the shell, and an openable side door is arranged on the side surface of the shell below. Through the structure, the pile fermentation mechanism can preferably overturn the piled tea leaves so as to make pile fermentation better.
Description
Technical Field
The invention relates to the technical field of black tea preparation equipment, in particular to a black tea pile fermentation aging machine and a pile fermentation process thereof.
Background
The pile fermentation process is that the black tea is made in the course, the traditional pile fermentation method is in the greenhouse, pile the green tea in the sun to certain height (usually about 70 cm), then sprinkle, cover the linen, promote the tea ferment to ferment under the damp-heat effect, along with pile fermentation degree difference, the tea color changes from green to yellow, chestnut red, chestnut black. In the fermentation process, in order to keep the uniformity of fermentation, the pile turning and even turning are generally carried out manually, the pile turning and even turning process is laborious and uneven, meanwhile, the temperature control is difficult to keep constant temperature due to overlarge indoor space, and especially under the condition of severe weather, the quality of tea leaves is unstable.
Disclosure of Invention
Aiming at certain or some defects existing in the prior art, the invention provides a black tea pile fermentation aging machine and a pile fermentation process thereof.
In order to solve the technical problems, the invention is solved by the following technical scheme.
A black tea piling and aging machine comprises a machine shell, wherein a cavity with an upward opening is arranged in the machine shell, and a cover plate is arranged at the opening of the cavity; the cavity is internally provided with a pile fermentation mechanism for piling tea leaves, the pile fermentation mechanism comprises a mounting block, two sides of the mounting block are symmetrically hinged with baffle plates, lifting cavities with openings on two sides and allowing the ends of the corresponding baffle plates to extend in are arranged in the mounting block, the side walls of the cavity positioned on two sides of the mounting block are provided with first hinge holes, the baffle plates are provided with first hinge shafts extending into the corresponding first hinge holes, the ends of the baffle plates extending into the lifting cavities are provided with clamping grooves, and fixing rods are arranged in the clamping grooves; a lifting plate positioned between the clamping grooves is arranged in the lifting cavity, a sliding groove for the corresponding fixing rod to pass through is arranged in the lifting plate, and a screw rod which can rotate and is arranged in the lifting cavity in a way that threads pass through the lifting plate is arranged in the lifting cavity; rotatable rotating shafts are uniformly distributed between the upper side surfaces of the mounting blocks and the cover plates, spiral blades are arranged on the rotating shafts, feeding holes positioned above the pile fermentation mechanism are formed in the side surfaces of the machine shell, and side doors capable of being opened and closed are arranged at the positions, positioned below the side surfaces of the machine shell.
Through the structure of the invention, the baffle plate is positioned above the mounting block to rotate back and forth and is matched with the rotating shaft to drive the spiral blade to rotate so as to preferably overturn the tea pile, thereby ensuring that the pile fermentation of the tea is better and uniform.
Preferably, the cover plate is provided with spraying mechanisms which are positioned at two sides and are used for spraying tea leaves, the lower side surface of the cover plate is provided with a storage groove, and a second hinge hole is relatively arranged in the storage groove; the spraying mechanism comprises two hinge rods which are hinged in parallel in the storage groove, one end of each hinge rod is provided with a second hinge shaft which extends into the corresponding second hinge hole, the baffle is used for pushing the hinge rods to be stored in the storage groove, a water storage block is connected between the other ends of the hinge rods, a water storage cavity is arranged in the water storage block, spray heads are evenly distributed on the water storage block, and a water storage tank used for supplying water to the water storage block is arranged on the cover plate.
Through the structure of the invention, the baffle can rotate back and forth to drive the spraying mechanism to rotate around the hinge shaft, so that the turnover tea is sprayed better, and the humidity of the tea is ensured to be convenient for secondary piling.
Preferably, fixing plates are symmetrically arranged at the two sides of the mounting block and positioned at the lower end, a material guide plate is arranged in the cavity and positioned below the fixing plates, and an air drying mechanism for air-drying tea leaves on the material guide plate is arranged on the fixing plates; the airing mechanism comprises a fan mounting plate which is arranged in parallel with the corresponding guide plate, a through groove is formed in the fan mounting plate, and a fan positioned at the through groove is arranged on the fan mounting plate.
According to the invention, through the arrangement of the airing mechanism, the airing mechanism can blow and air the tea leaves passing through the material guide plate, so that the black tea can be conveniently prepared.
Preferably, the opposite side surfaces of the cavity and the lower part are provided with hinge grooves, the side surfaces of the hinge grooves are provided with third hinge holes oppositely, and the material guide plate is provided with third hinge shafts which extend into the corresponding third hinge holes; a groove into which one end of the corresponding fan mounting plate extends is formed in the side face of the fixing plate, a fourth hinge hole is formed in the side face of the groove relatively, a fourth hinge shaft extending into the corresponding fourth hinge hole is arranged at one end of the fan mounting plate, and a connecting rod is hinged between the guide plate and the fan mounting plate; be equipped with the mounting groove on the side of fixed plate, be equipped with the guide post in the mounting groove, be equipped with the bar groove along the length direction of guide post on the lateral wall of mounting groove, be equipped with the sliding block in the mounting groove, the guide post passes the sliding block setting, be equipped with one end on the sliding block and articulate the connecting rod of connection at the sliding block, the other end of connecting rod is articulated to be connected on the fan mounting panel, be equipped with the slider that stretches out corresponding bar groove on the sliding block, the cover is equipped with the first spring that is used for promoting the sliding block and reciprocates on the guide post, the downside of baffle corresponds the slider and is equipped with the lug, be equipped with the inclined plane that is used for promoting the slider to move down on the lug.
Through the structure of the invention, the baffle rotates to the fixed block to enable the inclined surface of the lug to extrude the sliding block to enable the sliding block to move along the strip-shaped groove, so that the inclination angles of the fan mounting plate and the material guide plate are adjusted, the descending speed of tea leaves on the material guide plate is controlled, and the air drying time of the air drying mechanism on the tea leaves on the material guide plate is adjusted.
Preferably, the opening of the lifting cavity is provided with a blocking mechanism for sealing the opening, the blocking mechanism comprises a sealing block arranged at the opening, a movable cavity with a downward opening is arranged in the sealing block, and a blocking block used for propping against the corresponding baffle is arranged in the movable cavity through a second spring.
By the structure, the blocking mechanism can block the opening of the lifting cavity, so that the phenomenon that the tea leaves enter the lifting cavity to cause that pile fermentation cannot be performed well is avoided.
Preferably, the cover plate is provided with a first motor for driving the rotating shaft to rotate, and the rotating shaft is preferably rotated.
Preferably, a second motor for driving the screw rod to rotate is arranged on the lower side surface of the mounting block, and the screw rod is preferably rotated.
The invention also provides a pile fermentation process based on any one of the black tea pile fermentation ageing machines, which comprises the following steps:
step one, a second motor drives a screw rod to enable a baffle to rotate to the upper part of a cavity, and tea leaves are input into the cavity through a feed inlet to carry out pile fermentation treatment of the tea leaves;
step two, after the tea leaves are piled for a period of time in the step one, the first motor drives the rotating shaft to rotate, and meanwhile, the second motor drives the screw rod to rotate so that the baffle plate is positioned above the mounting block to rotate back and forth, and the tea leaves are turned over; the baffle drives the spraying mechanism to rotate around the second hinge shaft to spray the turned tea leaves in the reciprocating rotation process, so that the humidity of the tea leaves after piling again is ensured;
step three, after the tea leaves are piled in the step two, the second motor drives the screw rod to rotate so that the baffle plate rotates to the fixed plate, the tea leaves fall to the bottom of the cavity through the material guide plate to be collected, and the fan works to blow and dry the tea leaves on the material guide plate; in the airing process, the baffle rotates to be close to the fixed plate, so that the lug extrusion sliding block moves along the strip-shaped groove to control the inclination angle of the material guide plate, and the airing time of tea leaves is controlled.
Drawings
Figure 1 is a schematic diagram of a dark tea pile-on-pile aging machine of example 1;
figure 2 is a schematic cross-sectional view of a dark tea pile-on-pile aging machine of example 1;
FIG. 3 is a schematic view of a baffle and lifter plate in example 1;
FIG. 4 is a schematic view of the spray mechanism in example 1;
fig. 5 is a schematic view of the mounting block and the fixing plate in embodiment 1;
FIG. 6 is a schematic view showing the structure of a fan mounting plate and a guide plate in embodiment 1;
FIG. 7 is an enlarged schematic view of portion B of FIG. 5;
fig. 8 is an enlarged schematic view of the portion a in fig. 2.
The names of the parts indicated by the numerical references in the drawings are as follows: 100. a housing; 101. a feed inlet; 102. a side door; 110. a cover plate; 111. a water storage tank; 112. a first motor; 211. a cavity; 212. a hinge groove; 220. a mounting block; 221. a lifting cavity; 222. a screw rod; 223. a second motor; 224. a fixing plate; 230. a baffle; 240. a rotating shaft; 241. a helical blade; 251. a storage groove; 260. a material guide plate; 261. a connecting rod; 270. a fan mounting plate; 271. a fan; 311. a first hinge shaft; 312. a clamping groove; 313. a fixed rod; 314. a bump; 320. a lifting plate; 321. a sliding groove; 410. a hinge rod; 411. a second hinge shaft; 420. a water storage block; 421. a spray head; 511. a groove; 512. a mounting groove; 513. a bar-shaped groove; 611. a third hinge shaft; 621. a through groove; 622. a fourth hinge shaft; 710. a guide post; 720. a sliding block; 721. a connecting rod; 722. a slide block; 730. a first spring; 810. a sealing block; 811. a movable cavity; 820. a block; 830. and a second spring.
Detailed Description
For a further understanding of the present invention, the present invention will be described in detail with reference to the drawings and examples. It is to be understood that the examples are illustrative of the present invention and are not intended to be limiting.
Example 1
As shown in fig. 1-8, the embodiment provides a dark tea pile fermentation aging machine, which comprises a machine shell 100, wherein a cavity 211 with an upward opening is arranged in the machine shell 100, and a cover plate 110 is arranged at the opening of the cavity 211; the cavity 211 is internally provided with a pile fermentation mechanism for piling tea leaves, the pile fermentation mechanism comprises a mounting block 220, two sides of the mounting block 220 are symmetrically hinged with baffle plates 230, lifting cavities 221 which are opened at two sides and allow the ends of the corresponding baffle plates 230 to extend in are arranged in the mounting block 220, the side walls of the cavity 211 positioned at two sides of the mounting block 220 are provided with first hinge holes, the baffle plates 230 are provided with first hinge shafts 311 which extend into the corresponding first hinge holes, the ends of the baffle plates 230 extending into the lifting cavities 221 are provided with clamping grooves 312, and fixing rods 313 are arranged in the clamping grooves 312; a lifting plate 320 positioned between the clamping grooves 312 is arranged in the lifting cavity 221, a sliding groove 321 for the corresponding fixing rod 313 to pass through is arranged in the lifting plate 320, and a screw rod 222 which can rotate and is arranged in the lifting cavity 221 in a way that threads pass through the lifting plate 320; a rotatable rotating shaft 240 is uniformly arranged between the upper side surface of the mounting block 220 and the cover plate 110, a spiral blade 241 is arranged on the rotating shaft 240, a feed inlet 101 positioned above the pile fermentation mechanism is arranged on the side surface of the machine shell 100, and an openable side door 102 is arranged below the side surface of the machine shell 100.
In this embodiment, the first hinge shaft 311 extends into the first hinge hole to realize the hinged connection of the baffle 230 in the cavity 211, wherein, through the arrangement of the clamping groove 312, the fixing rod 313, the sliding groove 321 and the screw rod 222, the fixing rod 313 penetrates through the sliding groove 321, and the screw rod 222 threads through the lifting plate 320, so that the lifting plate 320 can be driven to lift in the lifting cavity 221 by the rotation of the screw rod 222, and the lifting plate 320 can be driven to rotate around the first hinge shaft 311 by the lifting of the lifting plate 230 due to the sliding of the fixing rod 313 by the sliding groove 321; in this embodiment, when the lifting plate 320 is lifted to rotate the baffle 230 above the mounting block 220, the tea is conveyed into the cavity 211 by the feed inlet 101 and blocked by the baffle 230 and the mounting block 220, so that the tea is fermented in a pile fermentation mode; in order to ensure the uniformity of tea pile fermentation, the rotating shaft 240 drives the threaded blade 241 to rotate so that the tea at the bottom of the tea pile is conveyed to the upper part of the tea pile, and meanwhile, the lifting plate 320 is positioned in the lifting cavity 221 to lift so that the baffle 230 is driven to rotate back and forth above the mounting block 220, so that the effect of turning the tea pile is better; when the lifting plate 320 lifts and drives the baffle 230 to rotate below the mounting block 220, the tea leaves after piling fermentation fall to the bottom of the cavity 211 to be collected, and in this embodiment, through the openable side door 102, the black tea collected at the bottom of the cavity 211 is discharged.
In this embodiment, the cover plate 110 is provided with spraying mechanisms located at two sides for spraying tea leaves, the lower side surface of the cover plate 110 is provided with a storage groove 251, and the storage groove 251 is relatively provided with a second hinge hole; the spraying mechanism comprises two hinge rods 410 which are hinged in parallel in the storage groove 251, one end of each hinge rod 410 is provided with a second hinge shaft 411 which extends into the corresponding second hinge hole, the baffle 230 is used for pushing the hinge rod 410 to be stored in the storage groove 251, a water storage block 420 is connected between the other ends of the hinge rods 410, a water storage cavity is arranged in the water storage block 420, spraying heads 421 are uniformly distributed on the water storage block 420, and a water storage tank 111 for supplying water to the water storage block 420 is arranged on the cover plate 110.
In the embodiment, the water storage tank 111 supplies water into the water storage block 420 through a hose, and the water in the water storage cavity is atomized and sprayed out through the spray head 421; wherein, the second hinge shaft 411 extends into the second hinge hole to realize the hinge connection of the spraying mechanism in the accommodating groove 251; in this embodiment, the baffle 230 rotates to the cover plate 110 to push the spraying mechanism to be stored in the storage groove 251, so that the spraying mechanism is stored during tea pile fermentation; when the baffle 230 is located above the mounting block 220 and rotates back and forth, the spraying mechanism rotates around the second hinge shaft 411 under the action of gravity, so that the turned tea leaves are sprayed better, and the humidity of the tea leaves is ensured to be convenient for secondary pile fermentation.
In this embodiment, fixing plates 224 are symmetrically arranged at two sides of the mounting block 220 and at the lower end, a material guiding plate 260 is arranged in the cavity 211 and below the fixing plates 224, and an air drying mechanism for air-drying tea leaves on the material guiding plate 260 is arranged on the fixing plates 224; the airing mechanism comprises a fan mounting plate 270 which is arranged in parallel with the corresponding guide plate 260, a through groove 621 is formed in the fan mounting plate 270, and a fan 271 positioned at the through groove 621 is arranged on the fan mounting plate 270.
By the construction in this embodiment, when the baffle 230 rotates to the lower part of the mounting block 220, the piled tea leaves fall to the bottom of the cavity 211 under the guiding action of the guide plate 260; through the arrangement of the fan mounting plate 270, the through groove 621 and the fan 271, the fan 271 can blow and dry tea leaves passing through the guide plate 270, so that dark tea can be prepared conveniently; wherein, the material guiding plate 260 is provided with ventilation holes, and the fan 271 preferably blows and dries the tea leaves on the material guiding plate 260.
In this embodiment, a hinge slot 212 is disposed on the opposite side of the cavity 211 and below the cavity, a third hinge hole is disposed on the opposite side of the hinge slot 212, and a third hinge shaft 611 extending into the corresponding third hinge hole is disposed on the guide plate 260; a groove 511 into which one end of the corresponding fan mounting plate 270 extends is formed in the side surface of the fixed plate 224, a fourth hinge hole is formed in the side surface of the groove 511, a fourth hinge shaft 622 which extends into the corresponding fourth hinge hole is formed in one end of the fan mounting plate 270, and a connecting rod 261 is hinged between the guide plate 260 and the fan mounting plate 270; the side of fixed plate 224 is equipped with mounting groove 512, be equipped with guide post 710 in the mounting groove 512, be equipped with bar groove 513 along the length direction of guide post 710 on the lateral wall of mounting groove 512, be equipped with slider 720 in the mounting groove 512, guide post 710 passes slider 720 setting, be equipped with the connecting rod 721 of one end articulated connection at slider 720 on the slider 720, the other end articulated connection of connecting rod 721 is on fan mounting panel 270, be equipped with the slider 722 that stretches out corresponding bar groove 513 on the slider 720, the cover is equipped with the first spring 730 that is used for promoting the slider 720 and reciprocates on the guide post 710, the downside of baffle 230 corresponds slider 722 and is equipped with lug 314, be equipped with the inclined plane that is used for promoting slider 722 to move down on the lug 314.
In this embodiment, the third hinge shaft 611 extends into the third hinge hole to realize the hinged connection of the guide plate 260 in the hinge slot 212, and the fourth hinge shaft 622 extends into the corresponding fourth hinge hole to realize the hinged installation of the fan installation plate 270 on the fixed plate 224, wherein the parallel state is preferably maintained therebetween by the arrangement of the connecting rod 261; through the arrangement of the guide post 710, the sliding block 720, the sliding block 722, the connecting rod 721, the bar-shaped groove 513 and the first spring 730 in the embodiment, the first spring 730 always pushes the sliding block 720 to move upwards along the guide post 710 to drive the inclination angle of the fan mounting plate 270 to be smaller so as to drive the material guide plate 260 to be at a smaller inclination angle, and the descending speed of the tea leaves passing through the material guide plate 260 is slower, so that long-time blowing and airing can be achieved; wherein, the lifting plate 320 can drive the baffle 230 to rotate to the fixed plate 224, and further the inclined surface on the protruding block 314 extrudes the sliding block 722 to enable the sliding block 720 to move downwards to drive the inclination angle of the fan mounting plate 270 to become larger to drive the inclination angle of the material guiding plate 260 to become larger, thereby controlling the descending speed of the tea leaves on the material guiding plate 260 and realizing the adjustment of the blowing and airing time of the tea leaves on the material guiding plate 260 by the airing mechanism; wherein the end of the slider 722 extending beyond the slot 513 is provided with rounded corners that preferably mate with the beveled surfaces on the bumps 314.
In this embodiment, a plugging mechanism for sealing the opening is disposed at the opening of the lifting cavity 221, the plugging mechanism includes a sealing block 810 disposed at the opening, a movable cavity 811 with a downward opening is disposed in the sealing block 810, and a plugging block 820 for abutting against the corresponding baffle 230 is disposed in the movable cavity 811 through a second spring 830.
Through the configuration in this embodiment, the second spring 830 always pushes the plugging block 820 to move downwards to be attached to the side wall of the baffle 230, so as to plug the opening of the lifting cavity 221, and avoid that tea leaves enter the lifting cavity 221, so that pile fermentation cannot be performed preferably.
In this embodiment, the cover 110 is provided with a first motor 112 for driving the rotating shaft 240 to rotate, and preferably, the rotating shaft 240 rotates.
In this embodiment, a second motor 223 for driving the screw rod 222 to rotate is disposed on the lower side of the mounting block 220, and preferably, the screw rod 222 is rotated.
The embodiment also provides a pile fermentation process based on any one of the black tea pile fermentation ageing machines, which comprises the following steps:
step one, a second motor 223 drives a screw rod 222 to enable a baffle 230 to rotate to the upper part of a cavity 211, and tea leaves are input into the cavity 211 from a feed inlet 101 to carry out pile fermentation treatment of the tea leaves;
step two, after the tea leaves are piled for a period of time in the step one, the first motor 112 drives the rotating shaft 240 to rotate, and the second motor 223 drives the screw rod 222 to rotate so that the baffle 230 is positioned above the mounting block 220 to rotate back and forth, and the tea leaves are turned over; the baffle 230 drives the spraying mechanism to rotate around the second hinge shaft 411 to spray the turned tea leaves in the reciprocating rotation process, so that the humidity of the tea leaves after piling again is ensured;
step three, after the tea leaves are piled in the step two, the second motor 223 drives the screw rod 222 to rotate so that the baffle plate 230 rotates to the position of the fixed plate 224, the tea leaves fall to the bottom of the cavity 211 through the material guide plate 260 to be collected, and the fan 271 works to blow and dry the tea leaves on the material guide plate 260; in the drying process, the baffle 230 rotates to be close to the fixing plate 224, so that the protruding blocks 314 squeeze the sliding blocks 722 to move along the strip-shaped grooves 513 to control the inclination angle of the material guide plate 260, and accordingly the drying time of the dark tea is controlled.
In summary, the foregoing description is only of the preferred embodiments of the present invention, and all equivalent changes and modifications made in accordance with the claims should be construed to fall within the scope of the invention.
Claims (3)
1. A black tea pile fermentation aging machine is characterized in that: comprises a machine shell (100), wherein a cavity (211) with an upward opening is arranged in the machine shell (100), and a cover plate (110) is arranged at the opening of the cavity (211); the tea piling device comprises a cavity (211), wherein a pile fermentation mechanism for piling tea leaves is arranged in the cavity (211), the pile fermentation mechanism comprises a mounting block (220), baffles (230) are symmetrically hinged to two sides of the mounting block (220), lifting cavities (221) with openings on two sides and allowing ends of the corresponding baffles (230) to extend in are arranged in the mounting block (220), first hinge holes are formed in the side walls of the cavity (211) on two sides of the mounting block (220), first hinge shafts (311) extending into the corresponding first hinge holes are arranged on the baffles (230), clamping grooves (312) are formed in the ends, extending into the lifting cavities (221), of the baffles (230), and fixing rods (313) are arranged in the clamping grooves (312); a lifting plate (320) positioned between the clamping grooves (312) is arranged in the lifting cavity (221), a sliding groove (321) for a corresponding fixing rod (313) to pass through is arranged in the lifting plate (320), and a screw rod (222) which can rotate and is arranged in the lifting cavity (221) in a way that threads pass through the lifting plate (320); a rotatable rotating shaft (240) is uniformly distributed between the upper side surface of the mounting block (220) and the cover plate (110), a spiral blade (241) is arranged on the rotating shaft (240), a feed inlet (101) positioned above the pile fermentation mechanism is arranged on the side surface of the machine shell (100), and an openable side door (102) is arranged on the side surface of the machine shell (100) positioned below;
the two sides of the mounting block (220) and the lower end are symmetrically provided with fixing plates (224), a material guiding plate (260) is arranged in the cavity (211) and below the fixing plates (224), and an airing mechanism for airing tea leaves on the material guiding plate (260) is arranged on the fixing plates (224); the airing mechanism comprises a fan mounting plate (270) which is arranged in parallel with the corresponding guide plate (260), a through groove (621) is formed in the fan mounting plate (270), and a fan (271) positioned at the through groove (621) is arranged on the fan mounting plate (270);
a hinge groove (212) is formed in the opposite side face of the cavity (211) and positioned below the cavity, a third hinge hole is formed in the opposite side face of the hinge groove (212), and a third hinge shaft (611) extending into the corresponding third hinge hole is arranged on the material guide plate (260); a groove (511) into which one end of the corresponding fan mounting plate (270) extends is formed in the side face of the fixed plate (224), a fourth hinge hole is formed in the side face of the groove (511) in an opposite mode, a fourth hinge shaft (622) which extends into the corresponding fourth hinge hole is arranged at one end of the fan mounting plate (270), and a connecting rod (261) is hinged between the material guide plate (260) and the fan mounting plate (270); the side of the fixed plate (224) is provided with a mounting groove (512), a guide post (710) is arranged in the mounting groove (512), a strip-shaped groove (513) is arranged on the side wall of the mounting groove (512) along the length direction of the guide post (710), a sliding block (720) is arranged in the mounting groove (512), the guide post (710) passes through the sliding block (720), one end of the sliding block (720) is hinged with a connecting rod (721) connected to the sliding block (720), the other end of the connecting rod (721) is hinged with a fan mounting plate (270), the sliding block (720) is provided with a sliding block (722) extending out of the corresponding strip-shaped groove (513), a first spring (730) for pushing the sliding block (720) to move is sleeved on the guide post (710), a lug (314) is arranged on the lower side surface of the baffle (230) corresponding to the sliding block (722), and a slope for pushing the sliding block (722) to move downwards is arranged on the lug (314).
The cover plate (110) is provided with spraying mechanisms which are positioned at two sides and are used for spraying tea leaves, the lower side surface of the cover plate (110) is provided with a containing groove (251), and a second hinge hole is relatively arranged in the containing groove (251); the spraying mechanism comprises two hinged rods (410) which are hinged in the storage groove (251) in parallel, one end of each hinged rod (410) is provided with a second hinged shaft (411) which extends into the corresponding second hinged hole, the baffle (230) is used for pushing each hinged rod (410) to be stored in the storage groove (251), a water storage block (420) is connected between the other ends of the hinged rods (410), a water storage cavity is arranged in each water storage block (420), spray heads (421) are uniformly distributed on the water storage blocks (420), and a water storage tank (111) for supplying water to the water storage blocks (420) is arranged on the cover plate (110);
the cover plate (110) is provided with a first motor (112) for driving the rotating shaft (240) to rotate, and the lower side surface of the mounting block (220) is provided with a second motor (223) for driving the screw rod (222) to rotate.
2. A dark tea pile-fermentation aging machine according to claim 1, characterized in that: the opening part of the lifting cavity (221) is provided with a blocking mechanism for sealing the opening, the blocking mechanism comprises a sealing block (810) arranged at the opening part, a movable cavity (811) with a downward opening is arranged in the sealing block (810), and a blocking block (820) which is used for propping against the corresponding baffle plate (230) is arranged in the movable cavity (811) through a second spring (830).
3. A pile fermentation process based on a black tea pile fermentation aging machine according to any one of claims 1-2, comprising the steps of:
step one, a second motor (223) drives a screw rod (222) to enable a baffle plate (230) to rotate to the upper part of a cavity (211), and tea leaves are input into the cavity (211) from a feed inlet (101) to carry out pile fermentation treatment of the tea leaves;
step two, after tea leaves are piled for a period of time in the step one, a first motor (112) drives a rotating shaft (240) to rotate, and a second motor (223) drives a screw rod (222) to rotate so that a baffle plate (230) is positioned above a mounting block (220) to rotate back and forth, so that the tea leaves are overturned; the baffle (230) drives the spraying mechanism to rotate around the second hinge shaft (411) to spray the turned tea leaves in the reciprocating rotation process, so that the humidity of the tea leaves after piling again is ensured;
step three, after the tea leaves are piled in the step two, a second motor (223) drives a screw rod (222) to rotate so that a baffle plate (230) rotates to a fixed plate (224), the tea leaves fall on the bottom of a cavity (211) through a material guide plate (260) to be collected, and a fan (271) works to blow and dry the tea leaves on the material guide plate (260); in the airing process, the baffle plate (230) rotates to be close to the fixed plate (224), so that the convex blocks (314) squeeze the sliding blocks (722) to move along the strip-shaped grooves (513) to control the inclination angle of the material guide plate (260), and the airing time of tea leaves is controlled.
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