CN112934660A - Raspberry Pu' er tea leaf drying-machine with screening function - Google Patents
Raspberry Pu' er tea leaf drying-machine with screening function Download PDFInfo
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- CN112934660A CN112934660A CN202110101646.9A CN202110101646A CN112934660A CN 112934660 A CN112934660 A CN 112934660A CN 202110101646 A CN202110101646 A CN 202110101646A CN 112934660 A CN112934660 A CN 112934660A
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- machine body
- air
- raspberry
- inner cavity
- material guide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
- B07B1/24—Revolving drums with fixed or moving interior agitators
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/55—Cleaning with fluid jets
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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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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Tea And Coffee (AREA)
Abstract
The invention discloses a raspberry Pu' er tea dryer with a screening function, which comprises a machine body, and a screen frame, an air blowing cleaning assembly and an arc-shaped screen plate which are arranged in the machine body, wherein the machine body is of a hollow cuboid structure, a feed hopper communicated with an inner cavity of the machine body is arranged in the middle of the top end face of the machine body, an anti-blocking guide assembly is arranged in the feed hopper, a part of the bottom end of the feed hopper, which extends downwards in the inner cavity of the machine body, is arranged as a guide pipe, and the screen frame is rotatably arranged in the middle of the inner cavity of the machine body. This raspberry pu' er tea leaf drying-machine with screening function, when drying, separate into three stoving chamber of pivoted with a traditional stoving chamber, and every stoving chamber is admitted air and is rotated the upset by inside and outside simultaneously to improved the efficiency of drying, and avoided once only putting into the not thorough problem of drying that leads to when tealeaves is more, can also avoid the broken more problem of tealeaves that traditional stoving caused simultaneously.
Description
Technical Field
The invention belongs to the technical field of raspberry Pu 'er tea processing, and particularly relates to a raspberry Pu' er tea drying machine with a screening function.
Background
The drying is needed in the tea making process of various kinds of tea, and can evaporate water, further promote the formation of color, aroma and taste of the tea, and improve the structural characteristics, biological characteristics and physical and chemical characteristics of the tea.
At present when drying raspberry pu' er tea, the generally adopted drying-machine, because the in-process of drying, in order to accelerate the efficiency of drying, the mode of adopting the stirring is stirred tealeaves and is dried, the in-process of stirring, the puddler is inevitable to touch with tealeaves, cause the breakage of tealeaves, consequently screening when needing to dry tealeaves, with the variety that improves tealeaves, but current drying-machine, inefficiency when it dries, and the puddler still can cause the breakage of tealeaves when the stirring, and thoroughly dry in order to guarantee, the tealeaves of disposable joining can not be too much, in addition at the in-process of screening, can also appear broken tealeaves and plug up the problem of sieve mesh.
Disclosure of Invention
The invention aims to provide a raspberry puer tea leaf dryer with a screening function, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a raspberry Pu' er tea dryer with a screening function comprises a dryer body, a screen frame, an air blowing cleaning assembly and an arc-shaped screen plate, wherein the screen frame, the air blowing cleaning assembly and the arc-shaped screen plate are arranged in the dryer body, the dryer body is of a hollow cuboid structure, a feed hopper communicated with an inner cavity of the dryer body is arranged in the middle of the top end face of the dryer body, an anti-blocking guide assembly is arranged in the feed hopper, a guide pipe is arranged at the part of the bottom end of the feed hopper, which extends downwards in the inner cavity of the dryer body, the screen frame is rotatably arranged in the middle of the inner cavity of the dryer body, a stirring shaft is fixedly connected with an output shaft of a third motor arranged outside the dryer body on one side of the screen frame, a circular array welding is arranged on the outer side of the stirring shaft, the arc-shaped screen plate is fixedly connected with the arc-, the stirring shaft is in transmission connection with a second motor arranged at the bottom end of the machine body through a transmission assembly, and one end of the stirring shaft extending out of the machine body is also connected with a hot air blower fixedly arranged outside the machine body through a pipeline connecting piece;
the air-blowing cleaning assembly is symmetrically provided with two groups in the inner cavity of the machine body and is respectively installed at corners of two sides of the top end of the inner cavity of the machine body, a material guide slope is further installed on the bottom wall of the inner cavity of the machine body, and a discharge hole is further formed in the side face of the machine body on one side of the bottommost end of the inclined top face of the material guide slope (17).
Preferably, the air-blowing cleaning assembly comprises a plurality of electric push rod mounting seats obliquely fixed at the top end of the inner side wall of the machine body, an electric push rod embedded and fixed in the bottom end of the electric push rod mounting seats and an air-blowing cleaning plate fixedly connected with the electric push rods on the same side.
Preferably, the length of the air-blowing cleaning plate is the same as the length of the inner cavity of the screen frame, one side of the air-blowing cleaning plate, which is back to the electric push rod connected with the air-blowing cleaning plate, is provided with air-blowing holes arranged in a linear array, the air-blowing cleaning plate is arranged in a hollow manner, and the middle of the other side of the air-blowing cleaning plate is communicated with an air outlet of the air heater through a first air inlet pipe.
Preferably, the reel rotates the rotation side dish of being connected and fixes between two rotation side dishes and vertical cross-section is semi-ring type screen cloth including being located organism inner chamber both sides and with organism inner wall, the lateral surface of screen cloth is hugged closely with the inner chamber lateral wall of organism, just the medial surface rotation of screen cloth is hugged closely to the lateral surface of arc sieve, and the both sides face of arc sieve and the top both sides face of screen cloth all set up to the inclined plane.
Preferably, the length of the material turning plates is the same as that of the inner cavity of the screen frame, two ends of each material turning plate are respectively attached to two rotating side plates, and air outlet holes communicated with the inner cavity of the stirring shaft are tapped on the outer side surface of the stirring shaft between every two adjacent material turning plates.
Preferably, the anti-blocking material guide assembly comprises a material guide mechanism and a driving mechanism for driving the material guide mechanism to rotate, the material guide mechanism comprises a bearing seat arranged in the middle of an inner cavity of the material guide pipe, a material guide shaft arranged inside the bearing seat and a spiral material guide blade arranged on the outer side of the material guide shaft above the bearing, the spiral material guide blade extends into the top end of the feed hopper, and the outer side surface of the bearing seat is welded and fixed with the inner wall of the material guide pipe through a connecting rod welded in an annular array.
Preferably, the driving mechanism comprises a first motor fixedly mounted on the side wall of the inner cavity of the machine body, a transmission rod fixedly connected with an output shaft of the first motor, a second bevel gear mounted at the end of the transmission rod, and a first bevel gear mounted at the end of the material guide shaft positioned below the bearing seat, the transmission rod is slidably inserted into the material guide pipe, and the second bevel gear connected with the end of the transmission rod is meshed with the first bevel gear.
Preferably, the transmission assembly comprises a driven wheel fixedly sleeved at the end part of the stirring shaft positioned at the outer side of the machine body, a driving wheel fixedly sleeved at the end part of the output shaft of the first motor, and a chain connected with the driving wheel and the driven wheel in a chain manner.
Preferably, the pipe connection spare includes the second intake pipe of being connected with the air heater gas outlet and the connecting pipe of intercommunication second intake pipe and (mixing) shaft inner chamber, the one end of connecting pipe is inserted and is rotated in the inner chamber of (mixing) shaft and is connected through the rotation of bearing and the inner chamber wall of (mixing) shaft, and the opening part of (mixing) shaft is located bearing one side and is equipped with the sealing washer of cover in the connecting pipe outside.
Preferably, the outer side surface of the machine body is positioned above the discharge port, and an observation window is further embedded and installed in the upper portion of the discharge port.
The invention has the technical effects and advantages that: according to the raspberry Pu' er tea leaf drying machine with the screening function, the anti-blocking material guide assembly is installed in the feeding hopper, when a first motor of the anti-blocking material guide assembly rotates, the transmission rod, the first bevel gear and the second bevel gear drive the material guide shaft to rotate, so that the spiral material guide blades are driven to rotate, and when materials are fed into the machine body, the problem that feeding is affected due to the fact that too much materials are blocked at the feeding hopper in one-time feeding can be effectively avoided;
meanwhile, a screen frame, a stirring shaft, material turning plates and arc-shaped screen plates are arranged in the machine body, the screen frame rotates in the machine body through a third motor, the stirring shaft rotates in the machine body through a second motor, the three material turning plates and the three arc-shaped screen plates which are connected with the stirring shaft rotate in the screen frame to turn tea leaves in the screen frame, so that the tea leaves are separated during drying and screening, a turnable small screening and drying cavity is formed between every two adjacent material turning plates and the arc-shaped screen plates, and air blowing is matched with an air blowing cleaning assembly and the stirring shaft to blow air inside and outside, so that the tea leaf drying in the separated screening and drying cavity is accelerated, the tea leaf drying efficiency is improved, in the turning process, the tea leaves can be matched with the material turning plates, the arc-shaped screen plates and the screen frames to realize the screening effect, the problem that powerful stirring rods touch the tea leaves during turning is solved, and when the stirring shaft drives the material turning, the problem that tea leaves enter the screen frame is not influenced, the problem of incomplete screening and drying caused by adding too many tea leaves at one time is avoided, and the adding amount of tea leaves at one time is increased;
at last through the air-blowing clearance subassembly that two slope symmetries set up, at the air heater during operation, can enough be by the air-blowing clearance board of air-blowing clearance subassembly to the internal steam of drum into, simultaneously can also clear up the tealeaves that blocks on the arc sieve when the steam is gone into in the drum, avoid broken tealeaves card in arc sieve department, influence follow-up screening problem, simultaneously when the reel rotates, also can clear up the reel, the jam problem when avoiding the secondary screening, and when the reel rotates, convenient quick unloading.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of the backside structure of the present invention;
FIG. 4 is a schematic view of the construction of the screen frame of the present invention;
FIG. 5 is a top view of a screen frame of the present invention;
FIG. 6 is a schematic diagram of the structure of the air-blowing cleaning plate according to the present invention;
FIG. 7 is an enlarged schematic view of the structure at B in FIG. 2 according to the present invention;
fig. 8 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention.
In the figure: 1. a body; 2. a feed hopper; 3. a material guiding shaft; 4. a spiral material guide blade; 5. a first motor; 6. a transmission rod; 7. an air blast cleaning assembly; 8. a screen frame; 9. a stirring shaft; 10. a material turning plate; 11. an arc-shaped sieve plate; 12. a material guide pipe; 13. an electric push rod mounting seat; 14. an electric push rod; 15. a first intake pipe; 16. a bevel; 17. a material guiding slope; 18. a discharge port; 19. an observation window; 20. a hot air blower; 21. a second intake pipe; 22. a second motor; 23. a chain; 24. a driving wheel; 25. a third motor; 26. rotating the side disc; 27. screening a screen; 28. an air outlet; 29. an air-blowing cleaning plate; 30. blowing holes; 31. a bearing seat; 32. a connecting rod; 33. a first bevel gear; 34. a second bevel gear; 35. a driven wheel; 36. and (4) connecting the pipes.
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.
The invention provides a raspberry Pu' er tea dryer with a screening function as shown in figures 1-8, which comprises a machine body 1, a screen frame 8, an air blowing cleaning component 7 and an arc-shaped screen plate 11, wherein the screen frame 8, the air blowing cleaning component 7 and the arc-shaped screen plate 11 are arranged in the machine body 1, the machine body 1 is of a hollow cuboid structure, a feed hopper 2 communicated with an inner cavity of the machine body 1 is arranged in the middle of the top end surface of the machine body 1, an anti-blocking material guide component is arranged in the feed hopper 2, the part of the bottom end of the feed hopper 2 extending downwards in the inner cavity of the machine body 1 is provided with a material guide pipe 12, the screen frame 8 is rotatably arranged in the middle of the inner cavity of the machine body 1, one side surface of the screen frame 8 is fixedly connected with an output shaft of a third motor 25 arranged outside the machine body 1, the screen frame 8 can be driven by the third motor 25 to rotate in the, an arc-shaped sieve plate 11 is fixedly connected with a material turning plate 10, the arc-shaped sieve plate 11 rotates on the inner side of a sieve frame 8 through a stirring shaft 9, one end of the stirring shaft 9 extends out of the machine body 1 and is in transmission connection with a second motor 22 arranged at the bottom end of the machine body 1 through a transmission assembly, and the end of the stirring shaft 9 extending out of the machine body 1 is also connected with a hot air blower 20 fixedly arranged on the outer side of the machine body 1 through a pipeline connecting piece;
the air-blowing cleaning assembly 7 is symmetrically provided with two groups in the inner cavity of the machine body 1 and is respectively arranged at the corners of the two sides of the top end of the inner cavity of the machine body 1, a material guide slope 17 is further arranged on the bottom wall of the inner cavity of the machine body 1, a discharge hole 18 is further formed in the side face of the machine body 1 at one side of the bottommost end of the inclined top face of the material guide slope 17, and a side door can be arranged at the discharge hole.
Specifically, the air-blowing cleaning assembly 7 comprises a plurality of electric push rod installation seats 13 obliquely fixed at the top end of the inner side wall of the machine body 1, an electric push rod 14 embedded and fixed in the bottom end of the electric push rod installation seat 13, and an air-blowing cleaning plate 29 fixedly connected with the plurality of electric push rods 14 on the same side.
Specifically, the length of air-blowing cleaning plate 29 is the same with the inner chamber length of reel 8, and air-blowing cleaning plate 29 is equipped with the air-blowing hole 30 that is the linear array setting dorsad to the side of being connected with it electric push rod 14, and air-blowing cleaning plate 29 is hollow setting, and air outlet intercommunication through first intake pipe 15 and air heater 20 in the middle of air-blowing cleaning plate 29's the another side, and when electric push rod 14 stretches out and draws back, can make air-blowing cleaning plate 29 more be close to arc sieve 11 and reel 8 to can adjust the clearance distance as required.
It is specific, reel 8 rotates the rotation side dish 26 of being connected and fixes between two rotation side dishes 26 and the vertical cross-section screen cloth 27 that is the semicircle type including being located 1 inner chamber both sides of organism and with 1 inside wall of organism, screen cloth 27's lateral surface is hugged closely with the inner chamber lateral wall of organism 1, can be at 1 internal rotation of organism, just screen cloth 27's medial surface rotation is hugged closely to the lateral surface of arc sieve 11, and the both sides face of arc sieve 11 and the top both sides face of screen cloth 8 all set up to inclined plane 16, can be when rotating, conveniently scrape tealeaves, avoid the damage that hard contact caused.
Specifically, the length of the material turning plates 10 is the same as the length of the inner cavity of the screen frame 8, two ends of each material turning plate 10 are respectively tightly attached to two rotating side plates 26, and the outer side surface of the stirring shaft 9 between every two adjacent material turning plates 10 is provided with an air outlet hole 28 communicated with the inner cavity of the stirring shaft 9 in a tapping mode, so that tea leaves in the whole screen frame 8 can be turned up.
Specifically, the anti-blocking material guide assembly comprises a material guide mechanism and a driving mechanism for driving the material guide mechanism to rotate, the material guide mechanism comprises a bearing seat 31 arranged in the middle of an inner cavity of the material guide pipe 12, a material guide shaft 3 arranged inside the bearing seat 31 and a spiral material guide blade 4 arranged outside the material guide shaft 3 arranged above the bearing seat, the spiral material guide blade 4 extends into the top end of the feed hopper 2, and the outer side surface of the bearing seat 31 is welded and fixed with the inner wall of the material guide pipe 12 through a connecting rod 32 welded in an annular array.
Specifically, the driving mechanism comprises a first motor 5 fixedly installed on the side wall of the inner cavity of the machine body 1, a transmission rod 6 fixedly connected with an output shaft of the first motor 5, a second bevel gear 34 installed at the end of the transmission rod 6, and a first bevel gear 33 installed at the end of the guide shaft 3 positioned below the bearing seat 31, wherein the transmission rod 6 is slidably inserted into the guide pipe 12, and the second bevel gear 34 connected with the end of the transmission rod 6 is engaged with the first bevel gear 33, so that the first generation of rotation of the motor 5 drives the guide shaft 3 to rotate.
Specifically, the transmission assembly comprises a driven wheel 35 fixedly sleeved at the end part of the stirring shaft 9 positioned at the outer side of the machine body 1, a driving wheel 24 fixedly sleeved at the end part of the output shaft of the first motor 5, and a chain 23 connected with the driving wheel 24 and the driven wheel 35 in a chain manner, wherein the driving wheel 24 and the driven wheel 35 are chain wheels.
Specifically, the pipe connection spare includes the second intake pipe 21 of being connected with air heater 20 gas outlet and the connecting pipe 36 of intercommunication second intake pipe 21 and (mixing) shaft 9 inner chamber, the one end of connecting pipe 36 is inserted and is connected through the rotation of bearing and (mixing) shaft 9's inner chamber wall in (mixing) shaft 9's the inner chamber, and the opening part of (mixing) shaft 9 is located bearing one side and is equipped with the sealing washer of cover in the connecting pipe 36 outside, avoids leaking gas, for prior art's is sealed.
Specifically, the outer side surface of the machine body 1 is positioned above the discharge port 18, and an observation window 19 is further embedded in the outer side surface of the machine body 1, so that the drying condition in the machine body 1 can be observed conveniently.
The operating principle of the raspberry Pu' er tea leaf dryer with the screening function is that when tea leaves are dried, firstly, a first motor 5 is started, the tea leaves are added into a machine body 1 from a feed hopper 2, the tea leaves are rotated in the feed hopper 2 by the first motor 5 to drive a transmission rod 6 and a first bevel gear 33 to rotate, a guide shaft 3 is driven to rotate by meshing with a second bevel gear 34, the guide shaft 3 rotates to drive a spiral guide leaf 4 to rotate, the tea leaves are guided into the machine body 1 and enter between two material turning plates 10, when a screening drying cavity formed between two adjacent material turning plates 10 is full of the tea leaves (generally, the tea leaves are loaded in half to two thirds optimally), a second motor 22 is started to rotate, a fast-loading second motor 22 rotates, a stirring shaft 9 and the material turning plates 10 are driven to rotate by a driving wheel 24 and a driven wheel 35, the screening drying cavity formed by the other adjacent material turning plates 10 is positioned under the feed hopper 2, continuing to charge the tea until all the screening and drying cavities are charged, starting the air heater 20 to rotate, closing the feed hopper 2 and the discharge port 18, at the same time, respectively sending hot air from the first air inlet pipe 15 and the second air inlet pipe 21 to the air outlet hole 28 of the stirring shaft 9 and the air blowing hole 30 of the air blowing cleaning plate 29 by the air heater 20, entering the inner side of the tea at the air outlet hole 28 of the stirring shaft 9, entering the outer side of the tea at the air blowing hole 30, simultaneously cleaning the tea on the arc-shaped sieve plate 11 in and out by air blowing to avoid blockage, realizing double drying inside and outside, screening the crushed tea in the drying process through the material turning plate 10, the arc-shaped sieve plate 11 and the screen mesh 27 of the sieve frame 8, piling the screened tea at the discharge port 18 through the material guide slope, opening the discharge port 18 after the drying is finished, cleaning the screened tea firstly, then starting the third motor 25 to drive the sieve frame 8 to rotate, and (4) discharging and collecting the dried tea leaves.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a raspberry pu' er tea leaf drying-machine with screening function, includes organism (1) and sets up reel (8), air-blast clearance subassembly (7) and arc sieve (11) in organism (1), its characterized in that: the machine body (1) is of a hollow cuboid structure, a feed hopper (2) communicated with the inner cavity of the machine body (1) is installed in the middle of the top end face of the machine body (1), a blocking-preventing guide component is installed in the feed hopper (2), the part of the bottom end of the feed hopper (2) extending downwards in the inner cavity of the machine body (1) is arranged as a guide pipe (12), a screen frame (8) is rotatably installed in the middle of the inner cavity of the machine body (1), one side face of the screen frame (8) is fixedly connected with an output shaft of a third motor (25) installed on the outer side of the machine body (1), a stirring shaft (9) is installed in the middle of the inner side of the screen frame (8), three material turning plates (10) are welded on the outer side of the stirring shaft (9) in an annular array mode, arc-shaped sieve plates (11) are fixedly connected with the material turning plates (10), and the arc-shaped, one end of the stirring shaft (9) extends out of the machine body (1) and is in transmission connection with a second motor (22) arranged at the bottom end of the machine body (1) through a transmission assembly, and the end of the stirring shaft (9) extending out of the machine body (1) is also connected with a hot air blower (20) fixedly arranged at the outer side of the machine body (1) through a pipeline connecting piece;
the air-blowing cleaning assembly (7) is symmetrically provided with two groups in the inner cavity of the machine body (1) and is respectively arranged at the corners of the two sides of the top end of the inner cavity of the machine body (1), a material guide slope (17) is further arranged on the bottom wall of the inner cavity of the machine body (1), and a discharge hole (18) is further formed in the side face of the machine body (1) on one side of the bottommost end of the inclined top face of the material guide slope (17).
2. The raspberry pu' er tea leaf dryer with the screening function as claimed in claim 1, wherein: the air blowing cleaning assembly (7) comprises a plurality of electric push rod mounting seats (13) which are obliquely fixed at the top end of the inner side wall of the machine body (1), an electric push rod (14) which is embedded and fixed in the bottom end of the electric push rod mounting seats (13) and an air blowing cleaning plate (29) which is fixedly connected with the electric push rods (14) at the same side.
3. The raspberry pu' er tea leaf dryer with the screening function as claimed in claim 2, wherein: the length of air-blowing cleaning plate (29) is the same with the inner chamber length of reel (8), and one side of air-blowing cleaning plate (29) dorsad electric push rod (14) is equipped with air-blowing hole (30) that are the linear array setting, and air-blowing cleaning plate (29) is the cavity setting, and the gas outlet intercommunication through first intake pipe (15) and air heater (20) in the middle of the another side of air-blowing cleaning plate (29).
4. The raspberry pu' er tea leaf dryer with the screening function as claimed in claim 1, wherein: reel (8) rotate rotation side dish (26) of being connected and fix between two rotation side dishes (26) and vertical cross-section is semi-ring type screen cloth (27) including being located organism (1) inner chamber both sides and with organism (1) inside wall, the lateral surface of screen cloth (27) is hugged closely with the inner chamber lateral wall of organism (1), just the medial surface that screen cloth (27) were hugged closely to the lateral surface of arc sieve (11) rotates, and the both sides face of arc sieve (11) and the top both sides face of screen cloth (27) all set up to inclined plane (16).
5. The raspberry pu' er tea leaf dryer with the screening function as claimed in claim 4, wherein: the length of the material turning plates (10) is the same as the length of the inner cavity of the screen frame (8), two ends of each material turning plate (10) are respectively tightly attached to two rotating side discs (26), and air outlet holes (28) communicated with the inner cavity of the stirring shaft (9) are tapped on the outer side surface of the stirring shaft (9) between every two adjacent material turning plates (10).
6. The raspberry pu' er tea leaf dryer with the screening function as claimed in claim 1, wherein: the anti-blocking material guide assembly comprises a material guide mechanism and a driving mechanism for driving the material guide mechanism to rotate, the material guide mechanism comprises a bearing seat (31) arranged in the middle of an inner cavity of a material guide pipe (12), a material guide shaft (3) installed inside the bearing seat (31) and a spiral material guide blade (4) installed on the outer side of the material guide shaft (3) above the bearing, the spiral material guide blade (4) extends into the top end of the feed hopper (2), and the outer side surface of the bearing seat (31) is fixedly welded with the inner wall of the material guide pipe (12) through a connecting rod (32) welded in an annular array mode.
7. The raspberry pu' er tea leaf dryer with the screening function as claimed in claim 6, wherein: the driving mechanism comprises a first motor (5) fixedly installed on the side wall of the inner cavity of the machine body (1), a transmission rod (6) fixedly connected with an output shaft of the first motor (5), a second bevel gear (34) installed at the end part of the transmission rod (6) and a first bevel gear (33) installed at the end part of the guide shaft (3) located below the bearing seat (31), the transmission rod (6) is slidably inserted into the guide pipe (12), and the second bevel gear (34) connected with the end part of the transmission rod (6) is meshed with the first bevel gear (33).
8. The raspberry pu' er tea leaf dryer with the screening function as claimed in claim 1, wherein: the transmission assembly comprises a driven wheel (35) fixedly sleeved at the end part of a stirring shaft (9) on the outer side of the machine body (1), a driving wheel (24) fixedly sleeved at the end part of an output shaft of the first motor (5) and a chain (23) connected with the driving wheel (24) and the driven wheel (35) in a chain manner.
9. The raspberry pu' er tea leaf dryer with the screening function as claimed in claim 1, wherein: the pipe connection piece includes second intake pipe (21) and intercommunication second intake pipe (21) and (mixing) shaft (9) inner chamber connecting pipe (36) of being connected with air heater (20) gas outlet, the one end of connecting pipe (36) is inserted and is rotated in the inner chamber of (mixing) shaft (9) and is connected through the rotation of bearing and the inner chamber wall of (mixing) shaft (9), and the opening part of (mixing) shaft (9) is located bearing one side and is equipped with the sealing washer of cover in the connecting pipe (36) outside.
10. The raspberry pu' er tea leaf dryer with the screening function as claimed in claim 1, wherein: an observation window (19) is also embedded and mounted on the outer side surface of the machine body (1) above the discharge hole (18).
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