CN111758800A - Tea leaf drying machine - Google Patents
Tea leaf drying machine Download PDFInfo
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- CN111758800A CN111758800A CN202010772666.4A CN202010772666A CN111758800A CN 111758800 A CN111758800 A CN 111758800A CN 202010772666 A CN202010772666 A CN 202010772666A CN 111758800 A CN111758800 A CN 111758800A
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- 238000001035 drying Methods 0.000 title claims abstract description 113
- 241001122767 Theaceae Species 0.000 claims abstract description 103
- 230000000712 assembly Effects 0.000 claims abstract description 42
- 238000000429 assembly Methods 0.000 claims abstract description 42
- 238000007790 scraping Methods 0.000 claims description 71
- 238000010408 sweeping Methods 0.000 claims description 59
- 230000005540 biological transmission Effects 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000010516 chain-walking reaction Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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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
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Drying Of Solid Materials (AREA)
- Tea And Coffee (AREA)
Abstract
The invention relates to a tea dryer. Comprises a drying box, a hot air conveying device, a conveying device and a conveying driving assembly; the wall of the drying box is provided with an air inlet and an air outlet; the conveying device comprises more than two layers of conveying assemblies, each layer of conveying assembly comprises two groups of chain wheel assemblies, and each group of chain wheel assemblies comprises a first rotating chain wheel, a second rotating chain wheel, a conveying chain and a conveying plate; each group of chain wheel assemblies is provided with an upper supporting plate and a lower supporting plate, and the upper supporting plate is provided with an upper notch; the lower supporting plate is provided with a lower notch. The tea leaf drying machine can fully utilize the upper layer chain and the lower layer chain of each set of chain wheel component to drive tea leaves to carry out primary forward conveying and primary reverse conveying along the conveying direction, thereby prolonging the travel and the drying time of the tea leaves in the drying box, improving the space utilization rate and the tea leaf drying amount in the drying box and greatly improving the tea leaf drying efficiency.
Description
Technical Field
The invention relates to tea mechanical equipment, in particular to a tea dryer.
Background
Fig. 1 shows a conveying structure of a conventional tea dryer, which adopts multiple layers of conveying belt assemblies sequentially arranged from top to bottom, wherein the conveying directions of the upper and lower layers of adjacent conveying belt assemblies are opposite, so that tea leaves on the upper layer of conveying belt can just fall onto the lower layer of conveying belt, and the tea leaves are sequentially transferred onto the lowermost conveying belt from top to bottom and are sent out after being baked. Because each conveyer belt can only drive tealeaves and carry out the tealeaves of a direction and carry, and the inner space of oven is limited, therefore the conveyer belt number of piles that can lay in the oven is limited, and the tealeaves quantity that can the holding toast is limited on the one hand, and on the other hand tealeaves is detained in the oven and is toasted the time also limited.
Disclosure of Invention
The invention aims to: overcome above shortcoming and provide a tealeaves drying-machine, this drying-machine can make full use of each group sprocket subassembly upper chain and lower floor's chain drive tealeaves and carry out a forward direction and carry with a reverse direction along the direction of delivery on to prolong the stroke and the baking time of tealeaves in the stoving case, improve the space utilization and the tealeaves volume of toasting of stoving incasement, improve the drying efficiency of tealeaves greatly.
The invention is realized by the following technical scheme: a tealeaves drying-machine which characterized in that: the tea leaf drying device comprises a drying box with a drying cavity arranged inside, a hot air conveying device arranged outside the drying box, a conveying device which is arranged in the drying cavity and used for placing tea leaves and driving the tea leaves to move and convey in the drying cavity, and a conveying driving assembly which is in transmission connection with the conveying device and used for driving the conveying device to work;
an air inlet for communicating the hot air conveying device with the drying cavity to convey hot air into the drying cavity is formed in the lower side of the wall of the drying box, and an air outlet for communicating the drying cavity with the outside is formed in the upper side of the wall of the drying box;
the conveying device comprises more than two layers of conveying components which are arranged layer by layer from top to bottom, and the upper part of the box wall of the drying box is provided with a material inlet for conveying tea leaves to the uppermost layer of conveying components; each layer of conveying assembly comprises two groups of chain wheel assemblies which are arranged at intervals along the longitudinal direction, each group of chain wheel assemblies comprises a first chain wheel which is rotatably connected in the drying box and a central shaft of which horizontally extends along the longitudinal direction, a second chain wheel which is rotatably connected in the drying box and a central shaft of which is arranged in parallel to the first chain wheel and is positioned on one side of the first chain wheel in the transverse direction, and a conveying chain which is in transmission connection between the first chain wheel and the second chain wheel; each layer of conveying assembly also comprises a plurality of conveying plates which extend parallel to the central shaft of the first chain wheel and are sequentially and continuously arranged between the conveying chains of the two groups of chain wheel assemblies along the conveying direction of the conveying chains, and the longitudinal two ends of each conveying plate are respectively and rotatably connected to the corresponding positions of the two conveying chains through rotating shafts of the conveying plates; each conveying plate is provided with a plurality of hollowed-out air holes penetrating through the upper plate surface and the lower plate surface of the conveying plate;
each group of chain wheel assemblies is provided with an upper supporting plate and a lower supporting plate which extend horizontally in the transverse direction and are arranged at intervals from top to bottom, the upper supporting plate is fixedly connected in the drying box and supported at the bottom of the chain running to the upper layer corresponding to the conveying chain so as to support each conveying plate on the chain running to the upper layer and enable each conveying plate to keep a horizontal conveying state, and the lower supporting plate is fixedly connected in the drying box and supported at the bottom of the chain running to the lower layer corresponding to the conveying chain so as to support each conveying plate on the chain running to the lower layer and enable each conveying plate to keep a horizontal conveying state;
the inner side of the transverse end of the upper supporting plate is provided with an upper notch which penetrates through the upper plate surface and the lower plate surface of the upper supporting plate from top to bottom, the two upper notches of the upper supporting plates of the two groups of chain wheel assemblies of each layer of conveying assembly are positioned in the same longitudinal extension direction, and a gap which is larger than the transverse width and the longitudinal width of at least one conveying plate is formed between the two upper notches, so that the conveying plate which moves to the gap position cannot be supported by the upper supporting plate and can turn downwards, and therefore tea leaves positioned on the conveying plate can freely fall to the lower part of the conveying plate; the lower support plate is provided with a lower notch which penetrates through the upper plate surface and the lower plate surface of the lower support plate from top to bottom at the inner side of the transverse other end of the upper notch far away from the upper support plate, the two lower notches of the lower support plates of the two groups of chain wheel assemblies of each layer of conveying assembly are positioned in the same longitudinal extension direction, and a gap which is larger than the transverse width and the longitudinal width of at least one conveying plate is formed between the two lower notches, so that the conveying plate which moves to the gap position cannot be supported by the lower support plate and can turn over downwards, and therefore tea leaves positioned on the conveying plate can freely fall to the lower part of the conveying; the circulating conveying directions of the chain wheel assemblies of the conveying assemblies of all layers are the same; the material input port and each upper notch are respectively arranged at the two transverse sides of the drying box.
To facilitate scraping of fallen tea leaves, the tea dryer of claim 1, wherein: a discharge port is also arranged at the lower side of the box wall of the drying box, and a discharge channel and a discharge device which are communicated with the discharge port are arranged below the lower notch of the lowest layer conveying component; the chamber wall bottom of stoving cavity still is equipped with the bottom discharge opening, and bottom discharge opening below is equipped with accepts the container, thereby the stoving incasement still is equipped with and is located being used for scraping the thing that falls on the chamber wall bottom of stoving cavity between the chamber wall bottom of lowermost floor conveying assembly and stoving cavity and sweeps the device of scraping that sends into and accept the container to the bottom discharge opening. The receiving container can be a discharging device connected with the discharging port or a separate receiving device.
Preferably, the scraping and sweeping device comprises two groups of scraping and sweeping chain wheel assemblies which are arranged above the bottom of the cavity wall of the drying cavity at intervals along the longitudinal direction and a scraping and sweeping driving assembly for driving the scraping and sweeping chain wheel assemblies to rotate, each group of scraping and sweeping chain wheel components comprises a first scraping and sweeping chain wheel which is rotationally connected with the wall of the drying box and the rotating central shaft of which extends along the longitudinal direction, a second scraping and sweeping chain wheel which is rotationally connected with the wall of the drying box and the rotating central shaft of which extends along the longitudinal direction and is positioned at the transverse horizontal side of the first scraping and sweeping chain wheel, and a scraping and sweeping transmission chain which is in transmission connection between the first scraping and sweeping chain wheel and the second scraping and sweeping chain wheel, the scraping and sweeping device also comprises more than one scraping and sweeping rod which is vertically and fixedly connected between the scraping and sweeping transmission chains of the two groups of scraping and sweeping chain wheel components, when the scraping and sweeping rod moves to the position of the lower layer chain of the scraping and sweeping transmission chain, the bottom of the scraping and sweeping rod is in contact with the upper surface of the bottom of the cavity wall of the drying cavity.
In order to facilitate feeding, the tea leaf drying machine further comprises a feeding device used for conveying tea leaves outside the drying box to the material input port;
the feeding device comprises a feeding rack arranged at the outer side of the drying box, a feeding conveyor belt component arranged on the feeding rack and extending upwards from the position far away from the drying box to the position close to the drying box, and a feeding driving device connected with the feeding conveyor belt component and used for driving the feeding conveyor belt component to work, wherein the feeding conveyor belt component comprises a first feeding driven roller, a feeding driving roller, a second driven roller, a transmission connection part, a first feeding driven roller and a second driving roller, the first feeding driven roller is connected with the feeding rack in a rotating mode, the first feeding driven roller extends along the longitudinal direction, the feeding driven roller is located above the uppermost layer conveyor component, the feeding driving roller is parallel to the first feeding driven roller, is connected with the feeding rack in a rotating mode, is located between the first feeding driven roller and the feeding driving roller, and the second driven roller is connected with the first feeding driven roller in a driving mode, A feeding conveyer belt among the second driven roller and the feeding driving roller; the feeding driving roller is in transmission connection with the feeding driving device.
In order to facilitate uniform tea spreading, the tea dryer further comprises a tea-leaf-homogenizing device which is arranged on the feeding device and used for uniformly spreading tea leaves on the feeding conveying belt, wherein the tea-leaf-homogenizing device comprises a tea-leaf-homogenizing roller which is rotatably connected to the feeding rack, a rotating central line of the tea-leaf-homogenizing roller extends along the longitudinal direction and is positioned above the feeding conveying belt, and a tea-leaf-homogenizing driving assembly used for driving the tea-leaf-homogenizing roller to rotate;
the blade equalizing roller comprises a rotating shaft which is arranged in an extending mode along the longitudinal direction and is rotatably connected to the feeding rack, and a plurality of blade equalizing blades which are annularly arranged on the rotating shaft and extend outwards along the radial direction, the outermost side of each blade equalizing blade is provided with blade equalizing teeth which are arranged in a concave-convex staggered mode along the longitudinal direction, and each blade equalizing blade is also provided with a plurality of blade equalizing through holes which are arranged at intervals along the longitudinal direction;
and the blade-equalizing driving assembly is in transmission connection between the shaft end of the feeding driving roller and the shaft end of the rotating shaft of the blade-equalizing roller.
In order to adjust the thickness of the uniformly spread tea leaves, the leaf homogenizing device also comprises two adjusting devices which are respectively arranged between the axial two ends of the leaf homogenizing roller and the feeding rack and are used for adjusting the vertical position distance between the leaf homogenizing roller and the feeding conveyer belt;
each adjusting device comprises a fixed support fixedly connected to the feeding rack, more than two guide rods fixedly connected to the fixed support and vertically extending relative to the feeding conveyer belt, a bearing seat slidably connected to the two guide rods and used for installing a rotating shaft, a bearing connected between a bearing seat bearing installation hole and the axial end part of the blade-equalizing roller, and an adjusting assembly connected between the fixed support and the bearing seat, wherein a supporting plate perpendicular to the two guide rods is arranged on the fixed support, a threaded hole which is parallel to the guide rods and penetrates through the supporting plate is arranged on the supporting plate, and the adjusting assembly comprises a screw rod in threaded connection with the supporting plate and a sleeve piece movably sleeved on the periphery of the lower part of the screw rod and fixedly connected with the bearing seat; the lower end of the screw rod penetrates through the sleeving through hole of the sleeving part to extend downwards, an upper limiting part is fixedly arranged above the sleeving through hole of the sleeving part, a lower limiting part is fixedly arranged below the sleeving through hole of the sleeving part, and a rotary hand wheel is fixedly arranged on the free end of the upper part of the screw rod.
Preferably, the adjusting assembly further comprises two locking nuts which are in threaded connection with the screw rod and can be respectively locked and fixedly arranged on the upper plane and the lower plane of the supporting plate.
In order to recycle hot air, the hot air conveying device comprises a heating device and an air blowing device, and the heating device is connected with an air outlet of the drying box and is used for heating hot air flowing back and forth from the drying box; the air blowing device is respectively connected with the heating device and the air inlet of the drying box and is used for sending hot air heated by the heating device into the drying box.
In order to make things convenient for tealeaves to drop to the delivery board of lower floor on, all be equipped with below the last breach that corresponds at the last backup pad and the lower breach that the bottom suspension fagging corresponds and be used for making things convenient for tealeaves to slide to the below and lead the tea board.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the tea leaf drying machine, the upper-layer chain and the lower-layer chain of each set of chain wheel assemblies can be fully utilized to drive tea leaves to be conveyed in a forward direction and a reverse direction along the conveying direction, so that the travel and the baking time of the tea leaves in the drying box are prolonged, the space utilization rate and the tea leaf baking amount in the drying box are improved, and the tea leaf drying efficiency is greatly improved.
2. According to the tea dryer, the scraping and sweeping device is further arranged, tea falling from the conveying device can be scraped and swept into the corresponding receiving container through the scraping and sweeping device, and the tea dryer has an automatic scraping and sweeping function.
3. The tea dryer is also provided with an automatic feeding device, and can realize automatic feeding of tea.
4. The tea dryer is also provided with the leaf equalizing device, and tea leaves on the feeding conveying belt can be spread by rotation of the leaf equalizing roller.
5. The invention relates to a tea leaf drying machine, which is further provided with an adjusting device, wherein the adjusting device can adjust the vertical position distance between a leaf homogenizing roller and a feeding conveying belt, so that the uniformly spread thickness of tea leaves is adjusted.
6. The tea dryer has the advantages that the hot air conveying device of the dryer can recycle hot air, and the tea dryer has the characteristics of energy conservation and consumption saving.
7. The tea dryer also has the advantages of reasonable design, convenience in use and popularization and application.
Drawings
Fig. 1 is a schematic structural view of a conventional tea dryer;
FIG. 2 is a schematic structural view of the tea dryer of the present invention;
FIG. 3 is a schematic view of the internal structure of the tea dryer of the present invention;
FIG. 4 is a schematic structural view of a conveying assembly in the tea dryer of the present invention;
FIG. 5 is a schematic structural view of the conveyor assembly of the tea dryer with the upper support plate and the lower support plate removed;
FIG. 6 is a schematic view of the transmission relationship of the conveying assembly in the tea dryer of the present invention;
FIG. 7 is a schematic structural view of an upper support plate and a lower support plate in the tea dryer of the present invention;
FIG. 8 is a schematic view of the scraping and sweeping device of the tea dryer according to the present invention;
FIG. 9 is a schematic structural view of a feeding device in the tea dryer of the present invention;
FIG. 10 is a schematic structural view of a leaf homogenizing device in the tea dryer of the present invention;
FIG. 11 is a schematic view of the structure of the leaf-equalizing roller in the tea dryer of the present invention;
fig. 12 is a schematic structural diagram of an adjusting device in the tea dryer of the present invention.
Description of reference numerals: 1-drying box, 11-air inlet, 12-air outlet, 13-material outlet, 14-bottom layer discharge hole, 15-tea guide plate, 16-drying cavity, 17-material inlet, 18-discharge channel, 2-hot air conveying device, 21-heating device, 22-air blowing device, 3-conveying component, 31-chain wheel component, 311-first chain wheel, 312-second chain wheel, 313-conveying chain, 32-conveying plate, 33-upper supporting plate, 331-upper notch, 34-lower supporting plate, 341-lower notch, 4-conveying driving component, 5-scraping device, 51-scraping chain wheel component, 511-first scraping chain wheel, 512-second scraping chain wheel, 513-scraping driving chain, 52-a scraping and sweeping driving component, 53-a scraping and sweeping rod, 6-a feeding device, 61-a feeding rack, 62-a feeding conveyor belt component, 621-a first feeding driven roller, 622-a feeding driving roller, 623-a feeding conveyor belt, 624-a second driven roller, 7-a leaf homogenizing device, 71-a leaf homogenizing roller, 711-a rotating shaft, 712-a leaf homogenizing blade, 713-a leaf homogenizing tooth and 714-a leaf homogenizing through hole, 72-uniform blade driving component, 73-adjusting device, 731-guide rod, 732-fixed support, 7321-supporting plate, 733-bearing seat, 734-adjusting component, 7341-screw rod, 73411-upper limiting piece, 73412-lower limiting piece, 7342-socket piece, 7343-locking nut, 735-rotating hand and 8-discharging device.
Detailed Description
The invention is described in detail below with reference to the following description of the drawings:
as shown in fig. 2 to 12, the present invention relates to a tea dryer, which is characterized in that: the tea leaf drying device comprises a drying box 1 with a drying cavity 16 arranged inside, a hot air conveying device 2 arranged outside the drying box 1, a conveying device which is arranged in the drying cavity 16 and used for placing tea leaves and driving the tea leaves to move and convey in the drying cavity 16, and a conveying driving assembly 4 which is in transmission connection with the conveying device and used for driving the conveying device to work;
an air inlet 11 for communicating the hot air conveying device 2 with the drying cavity 16 to convey hot air into the drying cavity 16 is formed in the lower side of the wall of the drying box 1, and an air outlet 12 for communicating the drying cavity 16 with the outside is formed in the upper side of the wall of the drying box 1;
the conveying device comprises more than two layers of conveying components 3 which are arranged layer by layer from top to bottom, and the upper part of the box wall of the drying box is provided with a material inlet 17 for conveying tea leaves to the topmost layer of conveying components 3; each layer of conveying assembly 3 comprises two groups of chain wheel assemblies 31 arranged at intervals along the longitudinal direction, each group of chain wheel assemblies 31 comprises a first chain wheel 311 which is rotatably connected in the drying box 1 and the central axis of which horizontally extends along the longitudinal direction, a second chain wheel 312 which is rotatably connected in the drying box 1 and the central axis of which is parallel to the first chain wheel 311 and is positioned on one lateral horizontal side of the first chain wheel 311, and a conveying chain 313 which is in transmission connection between the first chain wheel 311 and the second chain wheel 312; each layer of conveying assembly 3 further comprises a plurality of conveying plates 32 which extend parallel to the central axis of the first chain wheel 311 and are sequentially and continuously arranged between the conveying chains 313 of the two groups of chain wheel assemblies 31 along the conveying direction of the conveying chains 313, and the longitudinal two ends of each conveying plate 32 are respectively connected to the corresponding positions of the two conveying chains 313 in a rotating mode through a rotating shaft of the conveying plate; each conveying plate 32 is provided with a plurality of hollow air holes penetrating through the upper plate surface and the lower plate surface of the conveying plate 32;
each set of the sprocket assemblies 31 is provided with an upper supporting plate 33 and a lower supporting plate 34 which extend horizontally in the transverse direction and are arranged at intervals one above the other, the upper supporting plate 33 is fixedly connected in the drying box 1 and is supported at the bottom of the chain running to the upper layer corresponding to the conveying chain 313 so as to support each conveying plate 32 on the chain running to the upper layer and keep each conveying plate 32 in a horizontal conveying state, and the lower supporting plate 34 is fixedly connected in the drying box 1 and is supported at the bottom of the chain running to the lower layer corresponding to the conveying chain 313 so as to support each conveying plate 32 on the chain running to the lower layer and keep each conveying plate 32 in a horizontal conveying state;
an upper notch 331 which penetrates through the upper plate surface and the lower plate surface of the upper support plate 33 from top to bottom is arranged on the inner side of one transverse end of the upper support plate 33, two upper notches 331 of the upper support plate 33 of two sets of chain wheel assemblies 31 of each layer of conveying assemblies 3 are positioned in the same longitudinal extension direction, and a gap which is larger than the transverse width and the longitudinal width of at least one conveying plate 32 is formed between the two upper notches 331, so that the conveying plate 32 which moves to the gap position cannot be supported by the upper support plate 33 and turns downwards, and tea leaves positioned on the conveying plate 32 can freely fall below the conveying plate 32; the lower support plate 34 is provided with a lower notch 341 penetrating the upper and lower plate surfaces of the lower support plate 34 from top to bottom at the inner side of the transverse other end far away from the upper notch 331 of the upper support plate 33, the two lower notches 341 of the lower support plates 34 of the two sets of chain wheel assemblies 31 of each layer of conveying assemblies 3 are positioned in the same longitudinal extension direction, and a gap larger than the transverse and longitudinal width of at least one conveying plate 32 is formed between the two lower notches 341, so that the conveying plate 32 moved to the gap position cannot be supported by the lower support plate 34 and is turned over downwards, and tea leaves positioned on the conveying plate 32 can freely fall to the lower part of the conveying plate 32; the circulating conveying directions of the chain wheel assemblies 31 of the conveying assemblies 3 of all layers are the same; the material inlet 17 and the upper notches 331 are respectively arranged at two transverse sides of the drying box 1.
To facilitate scraping of fallen tea leaves, the tea dryer of claim 1, wherein: a discharge port 13 is arranged at the lower side of the box wall of the drying box 1, and a discharge channel 18 and a discharge device 8 which are communicated with the discharge port 13 are arranged below a lower notch 341 of the lowest layer conveying component 3; the bottom of the cavity wall of the drying cavity 16 is also provided with a bottom discharge hole 14, a receiving container is arranged below the bottom discharge hole 14, and a scraping device 5 which is positioned between the bottom conveying component 3 and the bottom of the cavity wall of the drying cavity 16 and used for scraping objects falling on the bottom of the cavity wall of the drying cavity 16 to the bottom discharge hole 14 and then sending the objects into the receiving container is further arranged in the drying box 1. The receiving container can be a discharge device connected to the discharge opening 13 or a separate receiving device.
Preferably, the scraping and sweeping device 5 comprises two sets of scraping and sweeping chain wheel assemblies 51 arranged above the bottom of the cavity wall of the drying cavity 16 at intervals along the longitudinal direction and a scraping and sweeping driving assembly 52 for driving the rotation of the scraping and sweeping chain wheel assemblies 51, each set of the scraping and sweeping chain wheel assemblies 51 comprises a first scraping and sweeping chain wheel 511 rotationally connected with the wall of the drying box 1 and having a central axis of rotation extending along the longitudinal direction, a second scraping and sweeping chain wheel 512 rotationally connected with the wall of the drying box 1 and having a central axis of rotation extending along the longitudinal direction and being located on one side of the transverse level of the first scraping and sweeping chain wheel 511, and a scraping and sweeping transmission chain 513 drivingly connected between the first scraping and sweeping chain wheels 511 and the second scraping and sweeping chain wheel 512, the scraping and sweeping device 5 further comprises more than one scraping and sweeping rod 53 vertically and fixedly connected between the scraping and sweeping transmission chains 513 of the two sets of the scraping and sweeping chain wheel assemblies 51, when the scraping and sweeping rod 53 moves to the position of, the bottom of the sweeping rod 53 contacts with the upper surface of the bottom of the drying cavity 16.
In order to facilitate feeding, the tea leaf drying machine further comprises a feeding device 6 for conveying tea leaves outside the drying box 1 to a material input port 17;
the feeding device 6 comprises a feeding frame 61 arranged at the outer side of the drying box 1, a feeding conveyer belt assembly 62 arranged on the feeding frame 61 and extending upwards to the position close to the drying box 1 from the position far away from the drying box 1, and a feeding driving device connected with the feeding conveyer belt assembly 62 and used for driving the feeding conveyer belt assembly 62 to work, wherein the feeding conveyer belt assembly 62 comprises a first feeding driven roller 621, a feeding driving roller 622, a second feeding driven roller 624, a third feeding driving roller 624, a fourth feeding driven roller 624, a fifth feeding driving roller and a fourth feeding driving roller 624, wherein the first feeding driven roller 621 is rotatably connected to the feeding frame 61, the second feeding driven roller 621 is rotatably connected to the feeding frame 61 and is positioned between the first feeding driven roller 621 and the feeding driving roller 622, And a feeding conveyor belt 623 drivingly connected among the first feeding driven roller 621, the second driven roller 624, and the feeding drive roller 622; the feeding driving roller 622 is in transmission connection with a feeding driving device.
In order to uniformly spread tea leaves, the tea leaf drying machine further comprises a tea leaf homogenizing device 7 which is arranged on the feeding device 6 and is used for uniformly spreading tea leaves on the feeding conveying belt 623, wherein the tea leaf homogenizing device 7 comprises a tea leaf homogenizing roller 71 which is rotatably connected to the feeding rack 61, extends along the longitudinal direction along the rotation center line and is positioned above the feeding conveying belt 623, and a tea leaf homogenizing driving assembly 72 which is used for driving the tea leaf homogenizing roller 71 to rotate;
the blade homogenizing roller 71 comprises a rotating shaft 711 which is arranged in a longitudinal direction in an extending mode and is connected to the feeding rack 61 in a rotating mode, and a plurality of blade homogenizing rollers 712 which are arranged on the rotating shaft 711 in a ring mode and extend and protrude outwards in the radial direction, blade homogenizing teeth 713 which are arranged in a concave-convex staggered mode in the longitudinal direction are arranged on the outermost side in the radial direction of each blade homogenizing roller 712, and a plurality of blade homogenizing through holes 714 which are arranged at intervals in the longitudinal direction are formed in each blade homogenizing roller 712;
the blade-homogenizing driving assembly 72 is in transmission connection between the shaft end of the feeding driving roller 622 and the shaft end of the rotating shaft 72 of the blade-homogenizing roller 71.
In order to adjust the thickness of the uniformly spread tea leaves, the leaf homogenizing device 7 further comprises two adjusting devices 73 which are respectively arranged between the two axial ends of the leaf homogenizing roller 71 and the feeding rack 61 and used for adjusting the vertical position distance between the leaf homogenizing roller 71 and the feeding conveying belt 623;
each adjusting device 73 comprises a fixed bracket 732 fixedly connected to the feeding rack 61, more than two guide rods 731 fixedly connected to the fixed bracket 732 and vertically extending relative to the feeding conveyer belt 623, a bearing seat 733 slidably connected to the two guide rods 731 and used for mounting the rotating shaft 711, a bearing connected between a bearing mounting hole of the bearing seat 733 and the axial end of the leaf homogenizing roller 71, and an adjusting assembly 734 connected between the fixed bracket 732 and the bearing seat 733, wherein the fixed bracket 732 is provided with a support plate 7321 vertically arranged with the two guide rods 731, the support plate 7321 is provided with a threaded hole which is arranged in parallel with the guide rods 731 and penetrates through the support plate 7321, the adjusting assembly comprises a screw rod 7341 in threaded connection with the support plate 7321, and a sleeve part 7342 movably sleeved on the periphery of the lower part of the screw rod 7341 and fixedly connected with the bearing seat 733; the lower end of the screw rod 7341 penetrates through the sleeving through hole of the sleeving part 7342 to extend downwards, an upper limiting part 73411 is fixedly arranged above the sleeving through hole of the sleeving part 7342 of the screw rod 7341, a lower limiting part 73412 is fixedly arranged below the sleeving through hole of the sleeving part 7342 of the screw rod 7341, and a rotary hand wheel 735 is further fixedly arranged at the free end of the upper part of the screw rod 7341.
Preferably, the adjusting assembly 734 further includes two locking nuts 7343 threaded onto the threaded rod 7341 and respectively locked and fixed on the upper and lower planes of the supporting plate 7321.
In order to recycle the hot air, the hot air conveying device 2 comprises a heating device 21 and a blowing device 22, and the heating device 21 is connected with the air outlet 12 of the drying box 1 and is used for heating the hot air flowing back from the drying box 1; the air blowing device 22 is respectively connected with the heating device 21 and the air inlet 11 of the drying box 1 and is used for sending hot air heated by the heating device 21 into the drying box 1.
In order to facilitate the tea leaves to fall onto the lower conveying plate, tea guide plates 15 for facilitating the tea leaves to slide downwards are arranged below the upper notches 331 corresponding to the upper supporting plate 33 and below the lower notches 341 corresponding to the lower supporting plate 34.
While the invention has been illustrated and described with respect to specific embodiments and alternatives thereof, it will be understood that various changes and modifications can be made without departing from the spirit and scope of the invention. It is understood, therefore, that the invention is not to be in any way limited except by the appended claims and their equivalents.
Claims (9)
1. A tealeaves drying-machine which characterized in that: the tea leaf drying device comprises a drying box (1) internally provided with a drying cavity (16), a hot air conveying device (2) arranged outside the drying box (1), a conveying device which is arranged in the drying cavity (16) and used for placing tea leaves and driving the tea leaves to move and convey in the drying cavity (16), and a conveying driving assembly (4) which is in transmission connection with the conveying device and used for driving the conveying device to work;
an air inlet (11) for communicating a hot air conveying device (2) with a drying cavity (16) to convey hot air into the drying cavity (16) is formed in the lower side of the wall of the drying box (1), and an air outlet (12) for communicating the drying cavity (16) with the outside is further formed in the upper side of the wall of the drying box (1);
the conveying device comprises more than two layers of conveying components (3) which are arranged layer by layer from top to bottom, and the upper part of the box wall of the drying box is provided with a material inlet (17) for conveying tea leaves to the topmost conveying component (3); each layer of conveying assembly (3) comprises two groups of chain wheel assemblies (31) which are arranged at intervals along the longitudinal direction, each group of chain wheel assemblies (31) comprises a first chain wheel (311) which is rotatably connected in the drying box (1) and a central shaft of which horizontally extends along the longitudinal direction, a second chain wheel (312) which is rotatably connected in the drying box (1) and a central shaft of which is parallel to the first chain wheel (311) and is positioned on one side of the first chain wheel (311) in the transverse direction, and a conveying chain (313) which is in transmission connection between the first chain wheel (311) and the second chain wheel (312); each layer of conveying assembly (3) also comprises a plurality of conveying plates (32) which extend parallel to the central shaft of the first chain wheel (311) and are sequentially and continuously arranged between the conveying chains (313) of the two groups of chain wheel assemblies (31) along the conveying direction of the conveying chains (313), and the longitudinal two ends of each conveying plate (32) are respectively and rotatably connected to the corresponding positions of the two conveying chains (313) through the rotating shafts of the conveying plates; each conveying plate (32) is provided with a plurality of hollow air holes penetrating through the upper plate surface and the lower plate surface of the conveying plate (32);
each group of chain wheel assemblies (31) is provided with an upper supporting plate (33) and a lower supporting plate (34) which extend horizontally in the transverse direction and are arranged at intervals from top to bottom, the upper supporting plate (33) is fixedly connected in the drying box (1) and is supported at the bottom of a chain running to the upper layer corresponding to a conveying chain (313) so as to support each conveying plate (32) on the chain running to the upper layer and enable each conveying plate (32) to keep a horizontal conveying state, and the lower supporting plate (34) is fixedly connected in the drying box (1) and is supported at the bottom of the chain running to the lower layer corresponding to the conveying chain (313) so as to support each conveying plate (32) on the chain running to the lower layer and enable each conveying plate (32) to also keep the horizontal conveying state;
an upper notch (331) which penetrates through the upper plate surface and the lower plate surface of the upper support plate (33) from top to bottom is formed in the inner side of the transverse end of the upper support plate (33), the two upper notches (331) of the upper support plate (33) of the two sets of chain wheel assemblies (31) of each layer of conveying assembly (3) are positioned in the same longitudinal extending direction, and a gap which is larger than the transverse and longitudinal width of at least one conveying plate (32) is formed between the two upper notches (331), so that the conveying plate (32) which moves to the gap position cannot be supported by the upper support plate (33) and turns downwards, and tea leaves positioned on the conveying plate (32) can freely fall to the lower part of the conveying plate (32); the lower support plate (34) is provided with a lower notch (341) penetrating through the upper and lower plate surfaces of the lower support plate (34) from top to bottom at the inner side of the transverse other end of the upper notch (331) far away from the upper support plate (33), two lower notches (341) of the lower support plates (34) of two groups of chain wheel assemblies (31) of each layer of conveying assembly (3) are positioned in the same longitudinal extension direction, and a gap larger than the transverse and longitudinal width of at least one conveying plate (32) is formed between the two lower notches (341), so that the conveying plate (32) moving to the gap position cannot be supported by the lower support plate (34) and turns downwards, and tea leaves positioned on the conveying plate (32) can freely fall to the lower part of the conveying plate (32); the circulating conveying directions of the chain wheel assemblies (31) of the conveying assemblies (3) of all layers are the same; the material inlet (17) and the upper notches (331) are respectively arranged at the two transverse sides of the drying box (1).
2. The tea dryer of claim 1, wherein: a discharge hole (13) is also formed in the lower side of the box wall of the drying box (1), and a discharge channel (18) and a discharge device (8) which are communicated with the discharge hole (13) are arranged below a lower notch (341) of the lowest layer conveying component (3); the chamber wall bottom of stoving cavity (16) still is equipped with bottom discharge opening (14), and bottom discharge opening (14) below is equipped with accepts the container, thereby still be equipped with in stoving case (1) and be used for scraping the thing that falls on the chamber wall bottom of stoving cavity (16) and sweep bottom discharge opening (14) and send into scraping of accepting the container and sweep device (5) between the chamber wall bottom of lower floor conveyor components (3) and stoving cavity (16).
3. The tea dryer of claim 2, wherein: the scraping and sweeping device (5) comprises two groups of scraping and sweeping chain wheel assemblies (51) arranged above the bottom of the cavity wall of the drying cavity (16) at intervals along the longitudinal direction and a scraping and sweeping driving assembly (52) used for driving the scraping and sweeping chain wheel assemblies (51) to rotate, each group of scraping and sweeping chain wheel assemblies (51) comprises a first scraping and sweeping chain wheel (511) rotationally connected with the box wall of the drying box (1) and longitudinally extending along a rotating central shaft, a second scraping and sweeping chain wheel (512) rotationally connected with the box wall of the drying box (1) and longitudinally extending along the rotating central shaft and positioned on one side of the transverse level of the first scraping and sweeping chain wheel (511), and a scraping and sweeping transmission chain (513) in transmission connection between the first scraping and sweeping chain wheel (511) and the second scraping and sweeping chain wheel (512), and the scraping and sweeping device (5) further comprises more than one scraping and sweeping rod (53) vertically and fixedly connected between the scraping and sweeping transmission chains (513) of the two groups of scraping and sweeping chain, when the scraping and sweeping rod (53) moves to the position of the lower layer chain of the scraping and sweeping transmission chain (513), the bottom of the scraping and sweeping rod (53) is in contact with the upper surface of the bottom of the cavity wall of the drying cavity (16).
4. The tea dryer of claim 1, wherein: the tea leaf drying machine further comprises a feeding device (6) used for conveying tea leaves outside the drying box (1) to the material input port (17);
feed arrangement (6) including set up feeding frame (61) of outside side of stoving case (1) and install on feeding frame (61) and by the position of keeping away from stoving case (1) to feeding conveyor assembly (62) that is close to stoving case (1) position tilt up extension setting and the feeding drive arrangement who is connected with feeding conveyor assembly (62) and is used for driving feeding conveyor assembly (62) work, feeding conveyor assembly (62) including rotate connect on feeding frame (61) and rotate the center pin along longitudinal direction extend and lie in first feeding driven voller (621) of superiors' conveyor assembly (3) top, with first feeding driven voller (621) parallel and rotate connect on feeding frame (61) and lie in feeding driven voller (621) outside feeding drive roll (622) below, parallel and rotate with first feeding driven voller (621) and connect on feeding frame (61) and lie in first feeding from the feeding driven voller A second driven roller (624) between the movable roller (621) and the feeding driving roller (622), and a feeding conveyer belt (623) in transmission connection among the first feeding driven roller (621), the second driven roller (624) and the feeding driving roller (622); the feeding driving roller (622) is in transmission connection with the feeding driving device.
5. The tea dryer of claim 4, wherein: the tea dryer further comprises a tea leaf homogenizing device (7) which is arranged on the feeding device (6) and used for uniformly spreading tea leaves on the feeding conveying belt (623), wherein the tea leaf homogenizing device (7) comprises a tea leaf homogenizing roller (71) which is rotatably connected to the feeding rack (61), extends along the longitudinal direction along the rotation center line and is positioned above the feeding conveying belt (623), and a tea leaf homogenizing driving assembly (72) used for driving the tea leaf homogenizing roller (71) to rotate;
the blade equalizing roller (71) comprises a rotating shaft (711) which is arranged in a longitudinal direction in an extending mode and is rotatably connected to the feeding rack (61), and a plurality of blade equalizing blades (712) which are annularly arranged on the rotating shaft (711) and extend outwards in the radial direction, wherein blade equalizing teeth (713) which are arranged in a concave-convex staggered mode in the longitudinal direction are arranged on the outermost side in the radial direction of each blade equalizing blade (712), and a plurality of blade equalizing through holes (714) which are arranged at intervals in the longitudinal direction are formed in each blade equalizing blade (712);
the blade-homogenizing driving assembly (72) is in transmission connection between the shaft end of the feeding driving roller (622) and the shaft end of the rotating shaft (72) of the blade-homogenizing roller (71).
6. The tea dryer of claim 5, wherein: the blade homogenizing device (7) further comprises two adjusting devices (73) which are respectively arranged between the two axial ends of the blade homogenizing roller (71) and the feeding rack (61) and used for adjusting the vertical position distance between the blade homogenizing roller (71) and the feeding conveying belt (623);
each adjusting device (73) comprises a fixed support (732) fixedly connected to the feeding rack (61), more than two guide rods (731) fixedly connected to the fixed support (732) and vertically extending relative to the feeding conveying belt (623), a bearing seat (733) connected to the two guide rods (731) in a sliding mode and used for mounting the rotating shaft (711), a bearing connected between a bearing mounting hole of the bearing seat (733) and the axial end of the leaf homogenizing roller (71), and an adjusting assembly (734) connected between the fixed support (732) and the bearing seat (733), a supporting plate (7321) arranged perpendicular to the two guide rods (731) is arranged on the fixed support (732), a threaded hole which is arranged in parallel to the guide rods (731) and penetrates through the supporting plate (7321) is arranged on the supporting plate (7321), and the adjusting assembly (734) comprises a screw rod (7341) in threaded connection with the supporting plate (7321), And a sleeve joint part (7342) which is movably sleeved on the periphery of the lower part of the screw rod (7341) and is fixedly connected with the bearing seat (733); the lower end of the screw rod (7341) penetrates through a sleeving through hole of the sleeving piece (7342) to extend downwards, an upper limiting piece (73411) is fixedly arranged above the sleeving through hole of the sleeving piece (7342) of the screw rod (7341), a lower limiting piece (73412) is fixedly arranged below the sleeving through hole of the sleeving piece (7342) of the screw rod (7341), and a rotary hand wheel (735) is further fixedly arranged at the free end of the upper part of the screw rod (7341).
7. The tea dryer of claim 1, wherein: the adjusting assembly (734) further comprises two locking nuts (7343) which are threaded onto the threaded rod (7341) and can be respectively locked and fixed on the upper and lower planes of the supporting plate (7321).
8. The tea dryer of claim 1, wherein: the hot air conveying device (2) comprises a heating device (21) and a blowing device (22), and the heating device (21) is connected with an air outlet (12) of the drying box (1) and is used for heating hot air flowing back from the drying box (1); the air blowing device (22) is respectively connected with the heating device (21) and an air inlet (11) of the drying box (1) and is used for sending hot air heated by the heating device (21) into the drying box (1).
9. The tea dryer of claim 1, wherein: tea guide plates (15) used for facilitating tea to slide downwards are arranged below the upper notches (331) corresponding to the upper supporting plates (33) and below the lower notches (341) corresponding to the lower supporting plates (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010772666.4A CN111758800A (en) | 2020-08-04 | 2020-08-04 | Tea leaf drying machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010772666.4A CN111758800A (en) | 2020-08-04 | 2020-08-04 | Tea leaf drying machine |
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| Publication Number | Publication Date |
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| CN111758800A true CN111758800A (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010772666.4A Pending CN111758800A (en) | 2020-08-04 | 2020-08-04 | Tea leaf drying machine |
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| CN (1) | CN111758800A (en) |
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