CN112414055B - Drying rack for drying black tea hair - Google Patents

Drying rack for drying black tea hair Download PDF

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Publication number
CN112414055B
CN112414055B CN202011326831.XA CN202011326831A CN112414055B CN 112414055 B CN112414055 B CN 112414055B CN 202011326831 A CN202011326831 A CN 202011326831A CN 112414055 B CN112414055 B CN 112414055B
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China
Prior art keywords
rotary drum
drying
rotating
tea
drum
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CN202011326831.XA
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CN112414055A (en
Inventor
邓卢山
邓鹏飞
胡荣赐
邓放中
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Hunan Qianqiujie Tea Industry Co ltd
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Hunan Qianqiujie Tea Industry Co ltd
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Publication of CN112414055A publication Critical patent/CN112414055A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/18Machines or apparatus for drying solid materials or objects with movement which is non-progressive on or in moving dishes, trays, pans, or other mainly-open receptacles
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23FCOFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F3/00Tea; Tea substitutes; Preparations thereof
    • A23F3/06Treating tea before extraction; Preparations produced thereby
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/02Applications of driving mechanisms, not covered by another subclass
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06Chambers, containers, or receptacles
    • F26B25/14Chambers, containers, receptacles of simple construction
    • F26B25/18Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Tea And Coffee (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses a drying rack for drying black tea flowering, which comprises a support frame, a rotary drum, rotary pulleys and a tray for placing tea blanks, wherein the support end of the rotary drum is supported on the support frame through the rotary pulleys, the bearing end of the rotary drum penetrates through a central hole of the tray and is fixedly connected with the tray, the support frame comprises a bottom support plate and a positioning column fixedly arranged on the bottom support plate along the direction vertical to the surface of the bottom support plate, the rotary drum is rotatably arranged on a horizontal plane by taking the central axis of the positioning column as a rotation central line, the rotary drum is sleeved on the circumferential outer wall surface of the positioning column through a rotary bearing to prevent the rotary drum from swinging along the radial direction of the positioning column, the support end of the rotary drum is provided with the rotary pulleys, and a plurality of the rotary pulleys are arranged at intervals along the circumferential direction of the rotary drum and are in rolling contact with the upper surface of the bottom support plate. According to the drying rack for drying the black tea flowering, the tea blanks are continuously subjected to the temperature and the humidity of different areas in the drying room in the whole process of drying the tea blanks through the flowering, so that all the tea blanks in the drying room are uniformly dried.

Description

Drying rack for drying black tea hair
Technical Field
The invention relates to the technical field of black tea production equipment, in particular to a drying rack for drying black tea hair.
Background
The preparation process of the Fuzhuan tea in the dark tea generally comprises the working procedures of raw material treatment, steam composting, pressing and shaping, flowering and drying, finished product packaging and the like. The process of drying the flowering tea is to promote a series of physical and chemical changes in the tea through microbial action, hydrothermal action and a small amount of endogenous enzyme action, and the tea blank is usually placed on a drying rack in a drying room for processing.
The current adoption static hair-flower drying rack is fixed places in the baking house, because there is the air current circulation not smooth in the corner of baking house, leads to the temperature and the regional difference of humidity relative baking house center at the corner of baking house, and the tea base is placed and is sent out the flower drying on static hair-flower drying rack, and its tea base that is close to the corner is in relatively poor environment always, and then leads to the tea base that is close to the corner to send out the flower effect poor, takes place moldy technical problem even.
Disclosure of Invention
The drying rack for drying the black tea flowering provided by the invention is used for solving the technical problems that the flowering effect of tea blanks close to corners of a drying room is poor and even the tea blanks mildew due to the fact that the tea blanks are placed on the static flowering drying rack in the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a dark tea drying rack that blooms, which comprises a supporting rack, the rotary drum, rotate the pulley and be used for placing the tray of tea base, the support end of rotary drum supports on the support frame through rotating the pulley, the tray locate the rotary drum bear the weight of the end and with rotary drum fixed connection, the support frame includes bottom layer board and the fixed reference column of locating on the bottom layer board of direction along the surface of perpendicular to bottom layer board, the rotary drum uses the axis of reference column to rotatably set up on the horizontal plane as centre of turning circle, the rotary drum passes through swivel bearing cover and locates on the outer wall of circumference of reference column in order to prevent the radial swing of rotary drum along the reference column, the support end of rotary drum is equipped with the rotation pulley, a plurality of rotation pulleys lay along the circumference interval of rotary drum and with the upper surface rolling contact of bottom layer board.
Further, the number of the trays is multiple, and the trays are arranged at intervals along the axial direction of the rotary drum.
Furthermore, the drying rack for drying the black tea floating flowers further comprises sealing rings which are respectively arranged on the end faces of the two ends of the rotary drum and used for sealing the rotary bearings between the rotary drum and the positioning columns.
Furthermore, the number of the rotating pulleys is six, and the six rotating pulleys are uniformly distributed at intervals along the circumferential direction of the rotating drum.
Furthermore, the rotating pulley is rotatably arranged on the end face, close to the bottom supporting plate, of the supporting end of the rotating drum through the pulley support, an annular sliding groove corresponding to the rolling track of the rotating pulley is concavely arranged on the upper surface of the bottom supporting plate, and the rotating pulley is suspended in the annular sliding groove and is in rolling contact with the groove bottom of the annular sliding groove.
Further, the tray includes fixed disk and supporting disk that axial fixed connection and coaxial the laying along the rotary drum, and the fixed disk cover is located on the outer wall of the circumference of rotary drum and is fixed on the rotary drum through the jackscrew mounting, and the supporting disk cover is located on the outer wall of the circumference of rotary drum and is located the upside of fixed disk.
Furthermore, the tray also comprises a supporting part which is fixedly arranged on the upper surface of the supporting plate and used for supporting the tea blank and enabling the tea blank and the supporting plate to be spaced, the supporting part comprises a plurality of groups of annular supporting columns which are coaxially arranged, the radial dimension of each group of annular supporting columns is gradually enlarged towards the direction of the circumferential surface along the axial lead of the rotary drum, each group of annular supporting columns is of an annular structure which is formed by arranging and splicing a plurality of arc strips at intervals along the circumferential direction of the rotary drum, and the vertical cross sections of the arc strips are trapezoidal with contracted upper sides.
Further, the supporting disc is made of a wood plate, and the arc bars are made of a wood plate.
Further, the drying rack for the black tea flowering drying further comprises a driving mechanism arranged on the bottom supporting plate, the driving mechanism comprises a driving motor, a transmission belt, a driving wheel and a driven wheel, the fixed end of the driving motor is fixedly arranged on the bottom supporting plate, the driving wheel is arranged on the driving end of the driving motor, the driven wheel is sleeved on the rotary drum, and the driving wheel and the driven wheel are connected through transmission of the transmission belt so as to drive the rotary drum to rotate when the driving motor works.
Furthermore, the driven wheel is arranged on the supporting end of the rotary drum, the driving motor is a servo motor, and the driving motor rotates 90 degrees at intervals of 1 to 8 hours to drive the rotary drum to rotate 90 degrees at intervals of 1 to 8 hours.
The invention has the following beneficial effects:
the drying rack for drying the black tea blossom comprises a supporting frame, a rotary drum, a rotary pulley, a tray and a rotary bearing. In the process of carrying out the flowering drying on the tea blank, arranging a drying frame for drying the black tea flowering at a corner with poor air fluidity of a drying room, and placing the tea blank on a tray along the width direction or the length direction; the tray is fixedly arranged on the circumferential outer wall surface of the rotary drum, the rotary drum is rotatably sleeved on the positioning column of the supporting frame through the rotating pulley, and the rotary drum is rotated at regular time to drive the tray to enable the tea blanks to be positioned at different angular positions in the drying room in the whole flowering and drying process, so that the technical problems that the tea blanks close to the corners are mildewed and the flowering effect is poor due to the fact that the tea blanks close to the corners are fixedly positioned at the positions with poor air fluidity in the whole flowering and drying process are solved; simultaneously, because the tray rotatably sets up, the tray is rotatory to be driven the tea base and is in the different angular position in the baking house, makes the tea base feel the temperature and the humidity and the even drying of different regions in the baking house constantly, and then when the dry tea base of in batches growing flower, is favorable to improving the uniformity that the tea base grows flower. In addition, in the process of placing the tea blanks on the tray, the tray is driven to rotate by rotating the rotary drum, and the worker can place all the tea blanks only by fixing the tea blanks at one angular position for operation, so that the tea blank placing device is convenient to operate.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a drying rack for drying dark tea hairy flowers according to a preferred embodiment of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is a schematic structural view of a tray according to a preferred embodiment of the present invention.
Illustration of the drawings:
100. drying rack for drying black tea; 10. a support frame; 11. a bottom pallet; 12. a positioning column; 20. a drum; 30. rotating the pulley; 40. a tray; 41. fixing the disc; 42. a support disc; 43. a support portion; 50. rotating the bearing; 60. a seal ring; 70. a drive mechanism.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be embodied in many different forms, which are defined and covered by the following description.
FIG. 1 is a schematic structural view of a drying rack for drying dark tea hairy flowers according to a preferred embodiment of the present invention; FIG. 2 is an enlarged view at A in FIG. 1; fig. 3 is a schematic structural view of a tray according to a preferred embodiment of the present invention.
As shown in fig. 1 and 2, the drying rack 100 for drying black tea hairy flowers according to the embodiment of the present invention comprises a supporting frame 10, a rotary drum 20, the tea blank placing device comprises a rotating pulley 30 and a tray 40 used for placing tea blanks, the supporting end of a rotating drum 20 is supported on a supporting frame 10 through the rotating pulley 30, the tray 40 is arranged at the bearing end of the rotating drum 20 and is fixedly connected with the rotating drum 20, the supporting frame 10 comprises a bottom supporting plate 11 and a positioning column 12 fixedly arranged on the bottom supporting plate 11 along the direction perpendicular to the surface of the bottom supporting plate 11, the rotating drum 20 is rotatably arranged on the horizontal plane by taking the central axis of the positioning column 12 as a rotation central line, the rotating drum 20 is sleeved on the circumferential outer wall surface of the positioning column 12 through a rotating bearing 50 to prevent the rotating drum 20 from radially swinging along the positioning column 12, the supporting end of the rotating drum 20 is provided with the rotating pulley 30, and the rotating pulleys 30 are arranged at intervals along the circumferential direction of the rotating drum 20 and are in rolling contact with the upper surface of the bottom supporting plate 11.
The drying rack 100 for drying the black tea blossom comprises a support frame 10, a rotary drum 20, a rotary pulley 30, a tray 40 and a rotary bearing 50. In the process of carrying out the drying of the tea blank, a drying rack 100 for drying the black tea in a blowing manner is arranged at a corner with poor air flowability of a drying room, and the tea blank is placed on a tray 40 along the width direction or the length direction; because the tray 40 is fixedly arranged on the circumferential outer wall surface of the rotary drum 20, the rotary drum 20 is rotatably sleeved on the positioning column 12 of the support frame 10 through the rotating pulley 30, and the rotary drum 20 is rotated at regular time to drive the tray 40 to enable the tea blanks to be positioned at different angular positions in the drying room in the whole flowering and drying process, the technical problems that the tea blanks close to the corners are mildewed and have poor flowering effect because the tea blanks close to the corners are fixedly positioned at the positions with poor air fluidity in the whole flowering and drying process are solved; simultaneously, because tray 40 rotatably sets up, tray 40 is rotatory to be in the angular position of difference in the baking house, makes the tea base feel the temperature and the humidity and the even drying of different regions in the baking house constantly, and then when the dry tea base of in batches growing flower, is favorable to improving the uniformity that the tea base grows flower. In addition, in the process of placing the tea blanks on the tray 40, the tray 40 is driven to rotate by rotating the rotary drum 20, and the worker can place all the tea blanks only by fixing the tea blanks at one angular position, so that the tea blank placing device is convenient to operate.
It can be understood that, in this embodiment, the drum 20, the rotating pulley 30 and the tray 40 are coaxially arranged, the bearing end of the drum 20 passes through the central hole of the tray 40 and is fixedly connected with the tray 40, the diameter of the central hole of the tray 40 is larger than the outer diameter of the positioning post 12, and the rotating pulley 30 can be a rolling wheel such as a rotating bearing 50, a universal wheel, a universal ball, an arc-shaped slider, a ball, a roller, a plane bearing, and the like.
Further, in order to increase the number of the blossoming and drying of the tea blank, the number of the trays 40 is plural, and the plural trays 40 are arranged at intervals along the axial direction of the drum 20. Specifically, in the present embodiment, in order to facilitate the placement of the tea blanks, the number of the trays 40 is three, and the distance between two adjacent trays 40 is 65 cm.
Further, the drying rack 100 for drying the dark green tea flowery further comprises a plurality of rotating bearings 50, the rotating bearings 50 are arranged in one-to-one correspondence with the trays 40, the rotating bearings 50 and the trays 40 are positioned on the same radial section of the rotating drum 20, and sealing rings 60 which are respectively arranged on the end faces of the two ends of the rotating drum 20 and are used for sealing the rotating bearings 50 between the rotating drum 20 and the positioning columns 12. It is to be understood that the seal ring 60 may be a high temperature resistant seal ring 60. The sealing ring 60 is arranged to prevent the rotating bearing 50 between the drum 20 and the positioning shaft from being corroded by water vapor, which is beneficial to improving the service life of the rotating bearing 50, and meanwhile, to prevent the tray 40 from swinging due to uneven stress on the upper side and the lower side of the drum 20, the rotating bearing 50 and the tray 40 are arranged in a one-to-one correspondence manner, and the rotating bearing 50 and the tray 40 are positioned on the same radial cross section of the drum 20.
More preferably, the rolling bearing 50 is a double-row bearing in order to improve the bearing force of the rolling bearing 50.
Further, in order to ensure the smoothness of the rotation of the drum 20, the number of the rotating pulleys 30 is six, and the six rotating pulleys 30 are uniformly spaced in the circumferential direction of the drum 20.
Further, the rotating pulley 30 is rotatably disposed on the end surface of the supporting end of the rotating drum 20 close to the bottom supporting plate 11 through a pulley bracket, an annular sliding groove corresponding to the rolling track of the rotating pulley 30 is concavely disposed on the upper surface of the bottom supporting plate 11, and the rotating pulley 30 is suspended in the annular sliding groove and is in rolling contact with the groove bottom of the annular sliding groove. It will be appreciated that the pulley bracket is a U-shaped bracket, the support rod of which is arranged through the central hole of the rolling wheel. Through the concave annular spout that is equipped with in the upper surface of bottom layer board 11, rotating pulley 30 hangs and locates in the annular spout, carries out radial restraint to rotating pulley 30 through setting up the annular spout and further avoids rotary drum 20 swing when rotatory, avoids the tea base landing from tray 40.
Further, the tray 40 includes a fixed disk 41 and a supporting disk 42 that are fixedly connected and coaxially arranged along the axial direction of the drum 20, the fixed disk 41 is sleeved on the circumferential outer wall surface of the drum 20 and fixed on the drum 20 through a jackscrew fixing member, and the supporting disk 42 is sleeved on the circumferential outer wall surface of the drum 20 and arranged on the upper side of the fixed disk 41. It can be understood that, in this embodiment, the jackscrew fixing piece is a jackscrew, the number of the jackscrew is multiple, the multiple jackscrew are uniformly arranged along the circumferential direction of the fixed disk 41, and the threaded end of each jackscrew passes through the disk wall of the fixed disk 41 and is in threaded fit with the positioning column 12. Specifically, the fixed disk 41 includes a large disk for connecting the supporting disk 42 and a small disk at an inner edge of the large disk and extending in an axial direction for engaging with a jackscrew.
Further, as shown in fig. 3, the tray 40 further includes a supporting portion 43 fixedly disposed on the upper surface of the supporting plate 42 for supporting the tea blank and spacing the tea blank from the supporting plate 42, the supporting portion 43 includes a plurality of annular pillars annularly disposed, the plurality of annular pillars are coaxially disposed, the radial dimension of the annular pillars gradually increases along the axial line of the rotating drum 20 toward the circumferential surface, each annular pillar has an annular structure formed by arranging and splicing a plurality of arc bars along the circumferential direction of the rotating drum 20 at intervals, and the vertical cross section of the arc bars is a trapezoid with a contracted upper side. It can be understood that, an air inlet and exhaust passage is formed between two circumferentially spaced arc strips of each group of annular support posts, an annular air flow passage is formed by surrounding two adjacent groups of annular support posts and the support plate 42, all the air inlet and exhaust passages are communicated with the annular air flow passage, the support part 43 comprises a plurality of groups of annular support posts which are annularly arranged, the plurality of groups of annular support posts are coaxially arranged, the radial size of the annular support posts is gradually enlarged towards the circumferential direction along the axial lead of the rotary drum 20, in the process of drying the tea blank, the tea blank is placed on at least two radially adjacent annular support posts, the air flow in the drying room flows between the tea blank and the support plate 42 through the air inlet and exhaust passages and the annular air flow passage, and the good drying environment for the side surface of the tea blank close to one side of the support plate 42 is provided; the vertical cross section that sets up the arc strip is the trapezoidal of upside shrink, when being favorable to guaranteeing annular airflow channel's circulation cross sectional area, has increased the area of contact of tea base with the arc strip, avoids the tea base atress oppression to warp, is favorable to keeping the integrality of tea base.
Preferably, to improve the flow of the air stream, the spaced air inlet and outlet passages of two adjacent sets of annular struts are aligned in the radial direction of the support plate 42. Specifically, in this embodiment, since the tea blanks are placed on the supporting disc 42 along the length direction, in order to facilitate placing at least two groups of tea blanks along the radial direction, four groups of annular pillars are provided on the supporting disc 42, the radial spacing distances of two adjacent groups of annular pillars are the same, each group of annular pillars includes four circular arc strips, and the four circular arc strips are uniformly spaced and spliced along the circumferential direction of the drum 20 to form the annular pillars, that is, four air intake and exhaust passages are provided on each group of annular pillars, so as to provide a good drying environment for flowering.
Further, the support plate 42 is made of a wooden plate, and the arc bars are made of a wooden plate. Specifically, in order to avoid excessive or insufficient heating of the supporting surface of the tea blank, the supporting plate 42 and the arc bars in the present invention are made of wood plates with poor heat transfer performance.
Further, in order to control the automatic rotation of the rotary drum 20, avoid needing the manual work to get into the rotary drum 20 in the drying room after a period of interval, the drying rack 100 for the drying of black tea and hair flowers is still including locating the actuating mechanism 70 on the bottom layer board 11, the actuating mechanism 70 includes driving motor, driving belt, action wheel and follow driving wheel, driving motor's stiff end is fixed to be located on the bottom layer board 11, be equipped with the action wheel on driving motor's the drive end, the cover is equipped with from the driving wheel on the rotary drum 20, the action wheel with pass through the driving belt transmission from the driving wheel and be connected in order to drive the rotary drum 20 rotatory at driving motor during operation.
Furthermore, the driven wheel is arranged on the supporting end of the rotating drum 20, the driving motor is a servo motor, and the driving motor rotates for a circle every 1-24 hours to drive the rotating drum 20 to rotate for a circle every 1-24 hours. It is understood that in the present embodiment, the continuous rotation of the drum 20 may be controlled by a servo motor, and the intermittent rotation of the drum 20 may be controlled by a servo motor. Specifically, in this embodiment, locate the one side of rotary drum 20 towards bottom layer board 11 from the driving wheel, rotary drum 20 adopts intermittent type nature rotation, can be through servo motor every hour rotatory 90 degrees and then drive rotary drum 20 every hour rotatory 90 degrees, make the tea base on the tray 40 change an angular position every hour, all tea bases all can flow through the baking house corner in whole drying process of flowering, avoid the partial tea base that current adoption static drying rack leads to in whole flowering process the mouldy or the poor technical problem of effect of flowering that the corner that leads to of baking house leads to always.
More preferably, since the tea base bloom comprises: early flowering stage of 4 days; a flowering period of 12 to 14 days; in the drying period of 2 to 3 days, the driving motor is adopted to rotate 90 degrees every 4 hours to drive the rotating drum 20 to rotate 90 degrees every 4 hours, and the tea blank on the whole drying rack has good flowering effect.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A drying rack for drying black tea hairy flowers, which is characterized in that,
comprises a support frame (10), a rotary drum (20), a rotary pulley (30) and a tray (40) for placing tea blanks, wherein the support end of the rotary drum (20) is supported on the support frame (10) through the rotary pulley (30), the tray (40) is arranged at the bearing end of the rotary drum (20) and is fixedly connected with the rotary drum (20), and a central hole is penetrated and is fixedly connected with the tray (40),
the supporting frame (10) comprises a bottom supporting plate (11) and a positioning column (12) which is fixedly arranged on the bottom supporting plate (11) along the direction vertical to the surface of the bottom supporting plate (11),
the rotating drum (20) is rotatably arranged on a horizontal plane by taking the central axis of the positioning column (12) as a rotation central line, the rotating drum (20) is sleeved on the circumferential outer wall surface of the positioning column (12) through a rotating bearing (50) to prevent the rotating drum (20) from swinging along the radial direction of the positioning column (12), the rotating pulley (30) is arranged at the supporting end of the rotating drum (20), a plurality of rotating pulleys (30) are arranged at intervals along the circumferential direction of the rotating drum (20) and are in rolling contact with the upper surface of the bottom supporting plate (11),
the tray (40) comprises a fixed disc (41) and a supporting disc (42) which are fixedly connected along the axial direction of the rotary drum (20) and coaxially arranged, the fixed disc (41) is sleeved on the circumferential outer wall surface of the rotary drum (20) and fixed on the rotary drum (20) through a jackscrew fixing piece, the supporting disc (42) is sleeved on the circumferential outer wall surface of the rotary drum (20) and arranged on the upper side of the fixed disc (41),
the tray (40) also comprises a supporting part (43) which is fixedly arranged on the upper surface of the supporting disk (42) and is used for supporting the tea blanks and enabling the tea blanks to be spaced from the supporting disk (42), the supporting part (43) comprises a plurality of groups of annular supporting columns which are coaxially arranged and the radial size of each group of annular supporting columns is gradually enlarged along the axial lead of the rotary drum (20) towards the direction of the circumferential surface,
each group of the annular pillars is of an annular structure formed by a plurality of arc strips which are arranged and spliced at intervals along the circumferential direction of the rotary drum (20), the vertical section of each arc strip is a trapezoid with the upper side contracted,
an air inlet and exhaust channel is formed between two arc strips of each group of annular struts which are spaced along the circumferential direction, an annular air flow channel is formed by the two adjacent groups of annular struts and the support disc (42) in a surrounding manner, and all the air inlet and exhaust channels are communicated with the annular air flow channel,
the spaced inlet and outlet passages of two adjacent sets of annular struts are aligned in the radial direction of the support disc 42.
2. The drying rack for dark tea hairy flowers according to claim 1,
the number of the trays (40) is plural, and the plural trays (40) are arranged at intervals in the axial direction of the drum (20).
3. The drying rack for dark tea haired flowers according to claim 2,
the number of the rotating bearings (50) is multiple, the rotating bearings (50) and the trays (40) are arranged in a one-to-one correspondence manner, the rotating bearings (50) and the trays (40) are positioned on the same radial section of the rotary drum (20),
the drying rack for drying the black tea blossom also comprises sealing rings (60) which are respectively arranged on the end surfaces of the two ends of the rotary drum (20) and used for sealing and arranging the rotary bearing (50) between the rotary drum (20) and the positioning column (12).
4. The drying rack for drying black tea flowery knotweed according to claim 3,
the number of the rotating pulleys (30) is six, and the six rotating pulleys (30) are uniformly distributed at intervals along the circumferential direction of the rotating drum (20).
5. The drying rack for drying black tea flowery knotweed according to claim 4,
the rotating pulley (30) is rotatably arranged on the end surface of the supporting end of the rotating drum (20) close to the bottom supporting plate (11) through a pulley bracket,
the upper surface of the bottom supporting plate (11) is concavely provided with an annular sliding groove corresponding to the rolling track of the rotating pulley (30), and the rotating pulley (30) is suspended in the annular sliding groove and is in rolling contact with the bottom of the annular sliding groove.
6. The drying rack for dark tea haired flowers according to claim 5,
the supporting disc (42) is made of a wood board, and the arc strip is made of a wood board.
7. The drying rack for drying black tea flowery knotweed according to claim 1,
the drying rack for drying the black tea hair also comprises a driving mechanism (70) arranged on the bottom supporting plate (11),
actuating mechanism (70) include driving motor, driving belt, action wheel and follow the driving wheel, driving motor's stiff end is fixed to be located on bottom layer board (11), be equipped with on driving motor's the drive end the action wheel, the cover is equipped with on rotary drum (20) follow the driving wheel, the action wheel with follow the driving wheel and pass through the driving belt transmission is connected in order to driving motor during operation drives rotary drum (20) are rotatory.
8. The drying rack for dark tea hairy flowers according to claim 7,
the driven wheel is provided on a supporting end of the drum (20),
the driving motor is a servo motor, and rotates for one circle every 1-24 hours to drive the rotary drum (20) to rotate for one circle every 1-24 hours.
CN202011326831.XA 2020-11-24 2020-11-24 Drying rack for drying black tea hair Active CN112414055B (en)

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Application Number Priority Date Filing Date Title
CN202011326831.XA CN112414055B (en) 2020-11-24 2020-11-24 Drying rack for drying black tea hair

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Application Number Priority Date Filing Date Title
CN202011326831.XA CN112414055B (en) 2020-11-24 2020-11-24 Drying rack for drying black tea hair

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CN112414055A CN112414055A (en) 2021-02-26
CN112414055B true CN112414055B (en) 2022-07-22

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