CN114146921A - Automatic grading equipment and grading method for fresh leaves of famous green tea - Google Patents
Automatic grading equipment and grading method for fresh leaves of famous green tea Download PDFInfo
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- CN114146921A CN114146921A CN202111470168.5A CN202111470168A CN114146921A CN 114146921 A CN114146921 A CN 114146921A CN 202111470168 A CN202111470168 A CN 202111470168A CN 114146921 A CN114146921 A CN 114146921A
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- 244000269722 Thea sinensis Species 0.000 title claims abstract description 174
- 235000009569 green tea Nutrition 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 21
- 235000013616 tea Nutrition 0.000 claims abstract description 151
- 239000000463 material Substances 0.000 claims abstract description 51
- 238000012216 screening Methods 0.000 claims abstract description 35
- 238000003892 spreading Methods 0.000 claims abstract description 19
- 230000007480 spreading Effects 0.000 claims abstract description 19
- 230000009194 climbing Effects 0.000 claims description 21
- 230000007246 mechanism Effects 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 235000009024 Ceanothus sanguineus Nutrition 0.000 description 3
- 240000003553 Leptospermum scoparium Species 0.000 description 3
- 235000015459 Lycium barbarum Nutrition 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Classifications
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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
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
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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
-
- 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
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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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- 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
-
- 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
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
- B07C2501/0063—Using robots
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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 automatic grading equipment and a grading method for fresh famous green tea leaves, and belongs to the technical field of tea processing. The apparatus comprisesAir separator, cylinder sieve separator, sorter and controller, the feed inlet of cylinder sieve separator passes through material loading subassembly B and is connected with the discharge gate of air separator, the discharge gate department of cylinder sieve separator is equipped with the tails conveyer belt, the feed gate department of sorter is equipped with material loading subassembly C, and the one end of keeping away from the sorter on the material loading subassembly C extends to the cylinder below of cylinder sieve separator, controller and air separator, cylinder sieve separator, sorter, material loading subassembly B and material loading subassembly C electric connection. Classifying fresh tea leaves into A by a winnowing machine1Stage and B1Grading, classifying the fresh tea leaves into A by a roller screening machine11Stage B11Stage and stage C, ensure A11Stage B11Consistency of grade and C grade fresh tea leaves. The sorting unit can be used for disordering the fresh tea leaves on the conveying belt and then spreading and sorting the fresh tea leaves, so that the A is greatly improved11Stage and B11Uniformity of grade tea fresh leaves.
Description
Technical Field
The invention relates to automatic grading equipment and a grading method for fresh famous green tea leaves, and belongs to the technical field of tea processing.
Background
In the tea processing process, the classification of the fresh leaves is particularly important, and the famous and high-quality fresh green tea leaves can be classified into different grades through the classification, so that the control of frying time and temperature in the fresh leaf processing process is facilitated, and the improvement of the quality of finished tea is facilitated. At present, the classification of the famous and high-quality green tea leaves in Guizhou is difficult, the tea quality trend is poor, particularly, when small and medium-sized tea manufacturers collect the fresh tea leaves, the fresh tea leaves in different grades are mixed seriously, although the unified standard exists, the execution difficulty is high, the high-grade fresh tea leaves cannot be obtained, and the quality improvement of the famous and high-quality green tea in Guizhou is severely restricted.
Chinese patent document with publication number CN107597585A discloses a high-efficiency combined classification method and device for fresh leaves of machine-picked tea trees, wherein the picked fresh leaves of the tea trees are spread and placed, wind selection is firstly carried out, the fresh leaves after wind selection fall onto a vibration flat conveyer through a wind selection separation plate, part of small buds, single pieces, broken buds and tea stalks are screened out on a conveying groove of the vibration flat conveyer, and the screened fresh leaves are conveyed to a roller screen classifier through the vibration flat conveyer; and the rolling screen sorting machine carries out rolling grading treatment on the fresh leaves to realize the grading of the fresh leaves of the tea trees. Although the drum is provided with the first sieve hole area, the second sieve hole area, the third sieve hole area and the fourth sieve hole area for grading the fresh tea leaves, the fresh tea leaves obtained by screening in each section are still mixed seriously due to serious stacking of the fresh tea leaves in the drum.
Chinese patent publication No. CN110420873A discloses a tea leaf impurity removal production line and a tea leaf impurity removal method, including: a conveyor belt device for conveying the tea leaves; the tea arraying device is used for flatly laying tea at the feeding end of the conveyor belt equipment; an impurity identification system for identifying impurities in the tea leaves and marking the positions of the impurities on the conveyor belt device; and the picking mechanical arm is used for taking out the impurities on the conveyor belt equipment reaching the picking area according to the position information marked by the impurity identification system. If the production line is applied to grading of fresh tea leaves, the fresh tea leaves are inevitably stacked due to the picking manipulator when the fresh tea leaves are picked, so that the fresh tea leaves are difficult to repeatedly and thoroughly grade, and the occupied area of the picking manipulator is too large.
Disclosure of Invention
In order to solve the technical problems, the invention provides automatic grading equipment and a grading method for fresh famous green tea leaves.
The invention is realized by the following technical scheme:
the utility model provides an automatic classification equipment of bright leaf of famous high-quality green tea, includes air separator, cylinder sieve separator, sorter and controller, the feed inlet of cylinder sieve separator passes through material loading subassembly B and is connected with the discharge gate of air separator, the discharge gate department of cylinder sieve separator is equipped with the tails conveyer belt, the feed inlet department of sorter is equipped with material loading subassembly C, and the one end of keeping away from the sorter on the material loading subassembly C extends to the cylinder below of cylinder sieve separator, controller and air separator, cylinder sieve separator, sorter, material loading subassembly B and material loading subassembly C electric connection.
The air separator is characterized in that a feeding port of the air separator is provided with a feeding assembly A, the feeding assembly A comprises a climbing conveyor A and a vibrating feeder A, the vibrating feeder A is arranged on the air separator, and a discharging port of the climbing conveyor A is located right above a feeding port of the vibrating feeder A.
The roller screening machine comprises two roller screening units, and feed inlets of the two roller screening units are respectively connected with two discharge outlets on the winnowing machine in a one-to-one correspondence mode through a feeding assembly B.
The roller screening unit comprises a support, a roller and a motor A, the roller is movably erected on the support, a receiving hopper is arranged under the roller on the support, the motor A is arranged on the support, an output shaft of the motor A and one end of the roller are in gear transmission, a feeding assembly B comprises a climbing conveyor B and a vibrating feeder B, the vibrating feeder B is arranged on the support, and a discharge port of the climbing conveyor B is positioned over a feed port of the vibrating feeder B.
The roller is a conical cylinder, a plurality of sieve pores with the same aperture are arranged on the wall of the conical cylinder, the small end of the conical cylinder is close to the feeding assembly B, and the aperture of the sieve pores on the conical cylinder in the two roller screening units is equal.
The picker comprises two picking units, and feeding assemblies C are arranged at feeding ports of the two picking units.
The sorting unit comprises a case and a material spreading mechanism, the material spreading mechanism is fixedly arranged in the case, a material identification system and a sorting manipulator are arranged right above the material spreading mechanism on the case, a discharge hopper is arranged at the discharge end of the material spreading mechanism on the case, a discharge pipe is arranged on one side of the material spreading mechanism on the case, a feeding component C comprises a vibrating feeder C and a climbing conveyor C, the vibrating feeder C is arranged on the case, and a discharge hole of the climbing conveyor C is positioned right above a feed inlet of the vibrating feeder C.
The spreading and feeding mechanism comprises a belt conveyor and two vibration platforms, two material limiting plates are arranged on the upper side of a conveying belt in a rack of the belt conveyor side by side, the two vibration platforms are arranged side by side, one end of the top of each vibration platform is connected with the bottom of the belt conveyor through an electric cylinder and a ball head, and the other end of each vibration platform is connected with the bottom of the belt conveyor through a supporting block and a hinge joint.
A classification method of automatic classification equipment for fresh famous green tea leaves comprises the following main steps:
A. the fresh tea leaves are lifted by the feeding component A, uniformly vibrated and conveyed to the winnowing machine, and are divided into two stages by the winnowing machine, namely A1Stage and B1A stage;
B、A1stage and B1The fresh tea leaves are respectively conveyed to two roller screening units of the roller screening machine through the feeding component B, and the fresh tea leaves are divided into two stages through the roller screening units, namely A11Stage and C, B11Stage C and stage C;
C. conveying the C-grade fresh tea leaves to a collecting frame by a tailing conveyor belt, wherein A is11Stage and B11The grade fresh tea leaves are respectively conveyed to the two sorting units of the sorting machine through the feeding assembly C, then the required or unnecessary fresh tea leaves are sorted into the discharge pipe through the sorting units, and the rest fresh tea leaves are discharged outside the case through the discharge hopper.
The method for sorting the fresh tea leaves by the sorting unit in the step C mainly comprises the following steps:
(1) the vibrating feeder C, the belt conveyor and the vibrating platform are started simultaneously, the fresh tea leaves are uniformly vibrated and conveyed to the belt conveyor through the vibrating feeder C, the belt conveyor runs to enable the fresh tea leaves to be spread in the length direction of the conveying belt, and the belt conveyor is driven to vibrate through the vibrating platform to enable the fresh tea leaves to be spread in the width direction of the conveying belt;
(2) closing the belt conveyor and the vibrating feeder C after the fresh tea leaves are fully paved on the conveying belt in the length direction, and closing the vibrating platform after the fresh tea leaves on the conveying belt are spread to be thin;
(3) the material identification system identifies the required fresh tea leaves and the unnecessary fresh tea leaves on the conveying belt, the positions of the required fresh tea leaves and the unnecessary fresh tea leaves are calibrated, and then the required fresh tea leaves and the unnecessary fresh tea leaves are sorted into the discharge pipe by the sorting manipulator;
(4) after the fresh tea leaves are sorted by the manipulator in the step (3), the electric cylinder drives the belt conveyor to rotate back and forth repeatedly for a plurality of times and then is closed, a conveying belt of the belt conveyor deflects for a certain angle relative to a horizontal plane after the electric cylinder is closed, meanwhile, the vibration platform is started to spread the fresh tea leaves in the width direction of the conveying belt, then the vibration platform is closed, and the electric cylinder is started to level the conveying belt;
(5) after repeating the step (3) and the step (4) for a plurality of times, starting the belt conveyor to convey the fresh tea leaves into the discharge hopper;
(6) and (5) repeating the steps (1) to (5) until the grading work of all the fresh tea leaves is completed.
The invention has the beneficial effects that:
1. classifying fresh tea leaves into A by a winnowing machine1Stage and B1Grading, classifying the fresh tea leaves into A by a roller screening machine11Stage B11Stage A and stage C, and each conical cylinder only grades the fresh tea leaves into two stages, ensuring that A11Stage B11The consistency of the grade C and grade C fresh tea leaves is beneficial to improving the quality of the finished product tea.
2. The cooperation of the vibrating feeder C, the belt conveyor and the vibrating platform enables the fresh tea leaves to be spread on the conveying belt evenly and thinly, so that the material identification system can accurately and efficiently distinguish the fresh tea leaves needing to be sorted, and the sorting efficiency and the sorting effect are improved.
3. The sorting unit can be used for disordering the fresh tea leaves on the conveying belt and then spreading and sorting the fresh tea leaves again, so that the condition of incomplete sorting caused by stacking of the fresh tea leaves is avoided, and the A is greatly improved11Stage and B11The consistency of the fresh tea leaves is beneficial to improving the quality of the finished tea.
4. The material spreading and feeding mechanism, the material identification system, the picking manipulator and the like are arranged in the case 90 in a centralized and three-dimensional manner, so that the occupied area of the picking unit is greatly reduced.
5. The automatic feeding, discharging, grading and the like of the fresh tea leaves can be realized, the automation degree is high, and the grading quality of the fresh tea leaves is also ensured while the personnel reduction and the efficiency improvement are realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the picking unit of the present invention;
FIG. 3 is a schematic view of the internal structure of the picking unit of the present invention;
FIG. 4 is a schematic view of the material spreading and feeding mechanism of the present invention.
In the figure: 1-climbing conveyor A, 2-vibrating feeder A, 3-winnowing machine, 4-climbing conveyor B, 5-vibrating feeder B, 6-roller screening machine, 7-storage hopper, 8-climbing conveyor C, 9-sorting machine, 90-machine box, 91-discharge hopper, 92-discharge pipe, 93-belt conveyor, 94-material limiting plate, 95-vibrating platform, 96-electric cylinder, 97-supporting block, 10-tailing conveyor belt, 11-collecting frame, 12-receiving hopper and 13-vibrating feeder C.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1 to 4, the automatic classification equipment for fresh famous green tea leaves comprises an air separator 3, a roller screening machine 6, a sorting machine 9 and a controller, wherein a feeding port of the roller screening machine 6 is connected with a discharging port of the air separator 3 through a feeding component B, a tailing conveyor belt 10 is installed at the discharging port of the roller screening machine 6, a feeding component C is installed at the feeding port of the sorting machine 9, one end, far away from the sorting machine 9, of the feeding component C extends to the lower portion of a roller of the roller screening machine 6, and the controller is electrically connected with the air separator 3, the roller screening machine 6, the sorting machine 9, the feeding component B and the feeding component C.
The feed inlet department of air separator 3 installs material loading subassembly A, and material loading subassembly A includes climbing conveyer A1 and vibrating feeder A2, and vibrating feeder A2 is installed on air separator 3, and the discharge gate of climbing conveyer A1 is located vibrating feeder A2 directly over the feed inlet. The fresh tea leaves are lifted to the vibrating feeder A2 through the vibrating feeder A2, and are uniformly conveyed to the air separator 3 through the vibrating feeder A2 in a vibrating mode, and therefore the air separation grading effect of the air separator 3 can be improved. The winnowing machine 3 comprises an axial flow fan, fresh tea leaves are blown and sorted by the axial flow fan, and a motor of the axial flow fan is a variable frequency motor and is electrically connected with the controller, so that the frequency and the wind power of the axial flow fan can be adjusted by the controller according to grading requirements. Install storage hopper 7 on climbing conveyer A1 for store the fresh tea leaf, the discharge gate of storage hopper 7 is located climbing conveyer A1 feed inlet directly over, and the discharge gate department of storage hopper 7 installs the valve block, is used for regulating and control the discharge capacity size.
The roller screening machine 6 comprises two roller screening units, and feed inlets of the two roller screening units are respectively connected with two discharge outlets on the winnowing machine 3 in a one-to-one correspondence manner through the feeding assembly B.
The roller screening unit comprises a support, a roller and a motor A, a roller movable frame is installed on the support, a material receiving hopper 12 is installed under the roller on the support, the motor A is installed on the support, an output shaft of the motor A and one end gear transmission of the roller are achieved, a feeding assembly B comprises a climbing conveyor B4 and a vibrating feeder B5, the vibrating feeder B5 is installed on the support, and a discharge port of the climbing conveyor B4 is located right above a feed port of the vibrating feeder B5. In use, fresh tea leaves falling from the trommel screen are directed by the receiving hopper 12 onto the climbing conveyor C8.
The drum is a conical drum, a plurality of sieve pores with the same aperture are processed on the wall of the conical drum, the small end of the conical drum is close to the feeding assembly B, and the aperture of the sieve pores on the conical drum in the two drum screening units is equal. Classifying the fresh tea leaves into A through a roller screening machine 611Stage B11Stage and stage C.
The picker 9 comprises two picking units, and feeding assemblies C are mounted at feeding ports of the two picking units.
The unit of selecting includes quick-witted case 90 and the feeding mechanism that stalls, the feeding mechanism fixed mounting that stalls is in quick-witted case 90, install material identification system and select the manipulator directly over the feeding mechanism that stalls on quick-witted case 90, machine case 90 is gone up and is installed out hopper 91 at the discharge end that stalls feeding mechanism, discharging pipe 92 is installed in one side that the feeding mechanism that stalls on quick-witted case 90, material loading subassembly C includes vibrating feeder C13 and climbing conveyer C8, vibrating feeder C13 is installed on quick-witted case 90, climbing conveyer C8's discharge gate is located vibrating feeder C13 feed inlet directly over. The material identification system adopts an impurity identification system in patent document with publication number CN110420873A, and comprises an identification device and at least one camera, wherein the camera is used for taking pictures of fresh tea leaves on the conveying belt, each coordinate point on the pictures taken by the camera corresponds to each coordinate point on the conveying belt in a one-to-one mode, and the identification device is used for identifying and marking the fresh tea leaves needing to be selected in the pictures. The recognition device comprises a display device, the picture shot by the camera is transmitted to the display device, a screen of the display device displays the picture, and coordinate points on the screen correspond to all coordinate points on the picture; the operator observes the photo, recognizes the fresh tea leaves needing to be selected in the photo, clicks the screen, and records the clicked position on the screen as the position needing to be selected by the recognition device, so that the position coordinates of the fresh tea leaves needing to be selected in the photo are obtained, and the objects needing to be selected are the fresh tea leaves with larger difference from most fresh tea leaves on the conveying belt in quantity, shape size, quality and the like. The air cushion is installed to the finger inboard of selecting the manipulator, avoids selecting the in-process and harms the fresh tea leaf.
The spreading and feeding mechanism comprises a belt conveyor 93 and two vibration platforms 95, two material limiting plates 94 are arranged on the upper side of a conveying belt on a rack of the belt conveyor 93 side by side, the two vibration platforms 95 are arranged side by side, one end of the top of each vibration platform 95 is connected with the bottom of the belt conveyor 93 through an electric cylinder 96 and a ball head, and the other end of each vibration platform is connected with the bottom of the belt conveyor 93 through a supporting block 97 and a hinge joint. The fresh tea leaves are limited in the width direction of the conveying belt by the two material limiting plates 94. The vibration platform 95 includes a support frame and a vibration motor installed on the support frame, which are not described in detail herein for the prior art.
A classification method of automatic classification equipment for fresh famous green tea leaves comprises the following main steps:
A. the fresh tea leaves are lifted by the feeding component A, are uniformly vibrated and are conveyed to the winnowing machine 3, and are divided into two stages by the winnowing machine 3, namely A1Stage and B1A stage;
B、A1stage and B1The fresh tea leaves are respectively conveyed to two roller screening units of the roller screening machine 6 through the feeding component B, and the fresh tea leaves are divided into two stages through the roller screening units, namely A11Stage and C, B11Stage C and stage C;
C. the fresh tea leaves of grade C are conveyed into a collecting frame 11 by a tailing conveyor belt 10, A11The grade and B11 grade fresh tea leaves are respectively conveyed to the two sorting units of the sorting machine 9 through the feeding assembly C, then the required or unnecessary fresh tea leaves are sorted into the discharging pipe 92 through the sorting units, and the rest fresh tea leaves are discharged out of the machine case 90 through the discharging hopper 91.
The method for sorting the fresh tea leaves by the sorting unit in the step C mainly comprises the following steps:
(1) the vibrating feeder C13, the belt conveyor 93 and the vibrating platform 95 are started simultaneously, the fresh tea leaves are uniformly vibrated and conveyed to the belt conveyor 93 through the vibrating feeder C13, the belt conveyor 93 operates to enable the fresh tea leaves to be spread in the length direction of the conveying belt, and the belt conveyor 93 is driven to vibrate through the vibrating platform 95 to enable the fresh tea leaves to be spread in the width direction of the conveying belt; the cooperation of the vibrating feeder C13, the belt conveyor 93 and the vibrating platform 95 enables the fresh tea leaves to be spread on the conveyor belt evenly and thinly, so that the material identification system can accurately and efficiently distinguish the fresh tea leaves needing to be sorted, the sorting efficiency and the sorting effect are improved, the consistency of the fresh tea leaves of the A11 grade and the B11 grade is further improved, and the quality of finished tea leaves is improved.
(2) Closing the belt conveyor 93 and the vibrating feeder C13 after the fresh tea leaves are fully paved on the conveying belt in the length direction, and closing the vibrating platform 95 after the fresh tea leaves on the conveying belt are spread to be thin;
(3) the material identification system identifies the required fresh tea leaves and the unnecessary fresh tea leaves on the conveying belt, the positions of the required fresh tea leaves and the unnecessary fresh tea leaves are calibrated, and then the required fresh tea leaves and the unnecessary fresh tea leaves are sorted into the discharge pipe 92 by the sorting manipulator;
(4) after the fresh tea leaves are sorted by the manipulator in the step (3), the electric cylinder 96 drives the belt conveyor 93 to rotate repeatedly back and forth for a plurality of times and then is closed, the conveyor belt of the belt conveyor 93 deflects for a certain angle relative to the horizontal plane after the electric cylinder 96 is closed (so that the fresh tea leaves can be spread out rapidly when the vibration platform 95 vibrates), meanwhile, the vibration platform 95 is started to spread the fresh tea leaves in the width direction of the conveyor belt, then, the vibration platform 95 is closed, and the electric cylinder 96 is started to level the conveyor belt;
(5) after repeating the step (3) and the step (4) for a plurality of times, starting the belt conveyor 93 to convey the fresh tea leaves into the discharge hopper 91; can spread out again and select after disordering the fresh tea leaves on the conveyer belt, avoid piling up because of the fresh tea leaves and appear selecting incomplete condition, improve the uniformity of A11 level and B11 level fresh tea leaves greatly, help improving the quality of finished product tealeaves.
(6) And (5) repeating the steps (1) to (5) until the grading work of all the fresh tea leaves is completed.
Furthermore, when the consistency of the fresh tea leaves of grade a11 and grade B11 transported to the sorting unit has met the production requirements and no further sorting is required, the vibrating feeder C13 and the belt conveyor 93 in the sorting unit continue to operate to transport the fresh tea leaves directly into the discharge hopper 91 and then out of the cabinet 90. During this process, the electric cylinder 96, the vibration table 95, the material recognition system and the picking robot etc. in the picking unit remain closed.
The automatic grading equipment and the grading method for the fresh leaves of the famous green tea provided by the invention have the following beneficial effects:
1. classifying fresh tea leaves into A by a winnowing machine 31Stage and B1Grading, classifying the fresh tea leaves into A through a roller screening machine 611Stage B11Stage A and stage C, and each conical cylinder only grades the fresh tea leaves into two stages, ensuring that A11Stage B11The consistency of the grade C and grade C fresh tea leaves is beneficial to improving the quality of the finished product tea.
2. The cooperation of vibrating feeder C13, belt conveyor 93 and vibration platform 95 three makes the fresh tea leaf evenly, thinly spread out on the conveyer belt to material identification system can accurately, high-efficiently distinguish the fresh tea leaf that needs to be selected, helps improving and selects efficiency and selects the effect.
3. The sorting unit can be used for disordering the fresh tea leaves on the conveying belt and then spreading and sorting the fresh tea leaves again, so that the condition of incomplete sorting caused by stacking of the fresh tea leaves is avoided, and the A is greatly improved11Stage and B11The consistency of the fresh tea leaves is beneficial to improving the quality of the finished tea.
4. The material spreading and feeding mechanism, the material identification system, the picking manipulator and the like are arranged in the case 90 in a centralized and three-dimensional manner, so that the occupied area of the picking unit is greatly reduced.
5. The automatic feeding, discharging, grading and the like of the fresh tea leaves can be realized, the automation degree is high, and the grading quality of the fresh tea leaves is also ensured while the personnel reduction and the efficiency improvement are realized.
Claims (10)
1. The utility model provides a bright leaf automatic classification equipment of famous high-quality green tea which characterized in that: including air separator (3), cylinder sieve separator (6), sorter (9) and controller, the feed inlet of cylinder sieve separator (6) passes through material loading subassembly B and is connected with the discharge gate of air separator (3), the discharge gate department of cylinder sieve separator (6) is equipped with tails conveyer belt (10), the feed inlet department of sorter (9) is equipped with material loading subassembly C, and the one end of keeping away from sorter (9) on the material loading subassembly C extends to the cylinder below of cylinder sieve separator (6), controller and air separator (3), cylinder sieve separator (6), sorter (9), material loading subassembly B and material loading subassembly C electric connection.
2. The automatic classification apparatus of fresh famous green tea leaves as claimed in claim 1, wherein: the air separation machine is characterized in that a feeding port of the air separation machine (3) is provided with a feeding assembly A, the feeding assembly A comprises a climbing conveyor A (1) and a vibrating feeder A (2), the vibrating feeder A (2) is arranged on the air separation machine (3), and a discharging port of the climbing conveyor A (1) is located right above a feeding port of the vibrating feeder A (2).
3. The automatic classification apparatus of fresh famous green tea leaves as claimed in claim 1, wherein: the roller screening machine (6) comprises two roller screening units, and feed inlets of the two roller screening units are respectively connected with two discharge outlets on the winnowing machine (3) in a one-to-one correspondence mode through the feeding assembly B.
4. The automatic classification apparatus of fresh famous green tea leaves as claimed in claim 3, wherein: the roller screening unit comprises a support, a roller and a motor A, the roller is movably erected on the support, a material receiving hopper (12) is arranged on the support and right below the roller, the motor A is arranged on the support, and an output shaft of the motor A is in gear transmission with one end of the roller; the feeding assembly B comprises a climbing conveyor B (4) and a vibrating feeder B (5), the vibrating feeder B (5) is arranged on the support, and a discharge port of the climbing conveyor B (4) is located right above a feed port of the vibrating feeder B (5).
5. The automatic classification apparatus of fresh famous green tea leaves as claimed in claim 4, wherein: the roller is a conical cylinder, the wall of the conical cylinder is provided with a plurality of sieve pores with the same aperture, and the small end of the conical cylinder is close to the feeding assembly B; the mesh diameters on the conical cylinders in the two roller screening units are equal.
6. The automatic classification apparatus of fresh famous green tea leaves as claimed in claim 1, wherein: the sorting machine (9) comprises two sorting units, and feeding assemblies C are arranged at feeding openings of the two sorting units.
7. The automatic classification apparatus of fresh famous green tea leaves as claimed in claim 6, wherein: the sorting unit comprises a case (90) and a material spreading and feeding mechanism, the material spreading and feeding mechanism is fixedly arranged in the case (90), a material identification system and a sorting manipulator are arranged on the case (90) right above the material spreading and feeding mechanism, a discharge hopper (91) is arranged on the case (90) at the discharge end of the material spreading and feeding mechanism, and a discharge pipe (92) is arranged on one side of the material spreading and feeding mechanism on the case (90); the feeding assembly C comprises a vibrating feeder C (13) and a climbing conveyor C (8), the vibrating feeder C (13) is arranged on the case (90), and a discharge hole of the climbing conveyor C (8) is located right above a feed hole of the vibrating feeder C (13).
8. The automatic classification apparatus of fresh famous green tea leaves as claimed in claim 7, wherein: the spreading and feeding mechanism comprises a belt conveyor (93) and two vibration platforms (95), two material limiting plates (94) are arranged on the upper side of a conveyor belt on a rack of the belt conveyor (93) side by side, the two vibration platforms (95) are arranged side by side, one end of the top of each vibration platform (95) is connected with the bottom of the belt conveyor (93) through an electric cylinder (96) and a ball head, and the other end of each vibration platform is connected with the bottom of the belt conveyor (93) through a supporting block (97) and a hinge joint.
9. A classification method of automatic classification equipment for fresh famous green tea leaves is characterized in that: the method comprises the following main steps:
A. the fresh tea leaves are lifted through the feeding assembly A and are conveyed to the tea leaf conveying device after being uniformly vibratedA winnowing machine (3) for winnowing the fresh tea leaves into two stages by the winnowing machine (3), namely A1Stage and B1A stage;
B、A1stage and B1The fresh tea leaves are respectively conveyed to two roller screening units of the roller screening machine (6) through the feeding component B, and the fresh tea leaves are divided into two stages through the roller screening units, namely A11Stage and C, B11Stage C and stage C;
C. the fresh tea leaves of grade C are conveyed into a collecting frame (11) by a tailing conveyor belt (10), A11Stage and B11The grade fresh tea leaves are respectively conveyed to the two sorting units of the sorting machine (9) through the feeding assembly C, then the required or unnecessary fresh tea leaves are sorted into the discharge pipe (92) through the sorting units, and the rest fresh tea leaves are discharged out of the case (90) through the discharge hopper (91).
10. The method of claim 9, wherein the classification method of an automatic classification device for fresh famous green tea leaves comprises the following steps: the method for sorting the fresh tea leaves by the sorting unit in the step C mainly comprises the following steps:
(1) the vibrating feeder C (13), the belt conveyor (93) and the vibrating platform (95) are started simultaneously, the fresh tea leaves are uniformly vibrated and conveyed to the belt conveyor (93) through the vibrating feeder C (13), the belt conveyor (93) operates to spread the fresh tea leaves in the length direction of the conveying belt, and the belt conveyor (93) is driven to vibrate through the vibrating platform (95) to spread the fresh tea leaves in the width direction of the conveying belt;
(2) after the fresh tea leaves are fully paved on the length direction of the conveying belt, the belt conveyor (93) and the vibrating feeder C (13) are closed, and after the fresh tea leaves on the conveying belt are spread to be thin, the vibrating platform (95) is closed;
(3) the material identification system identifies the needed fresh tea leaves and the unwanted fresh tea leaves on the conveying belt, the positions of the needed fresh tea leaves and the unwanted fresh tea leaves are calibrated, and then the needed fresh tea leaves and the unwanted fresh tea leaves are sorted into a discharge pipe (92) through a sorting manipulator;
(4) after the fresh tea leaves are sorted by the manipulator in the step (3), the electric cylinder (96) drives the belt conveyor (93) to rotate back and forth repeatedly for a plurality of times and then is closed, the electric cylinder (96) closes the belt of the belt conveyor (93) and deflects for a certain angle relative to the horizontal plane, meanwhile, the vibration platform (95) is started to spread the fresh tea leaves in the width direction of the belt, then the vibration platform (95) is closed, and the electric cylinder (96) is started to level the belt;
(5) after the step (3) and the step (4) are repeated for a plurality of times, the belt conveyor (93) is started to convey the fresh tea leaves into the discharge hopper (91);
(6) and (5) repeating the steps (1) to (5) until the grading work of all the fresh tea leaves is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111470168.5A CN114146921A (en) | 2021-12-03 | 2021-12-03 | Automatic grading equipment and grading method for fresh leaves of famous green tea |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111470168.5A CN114146921A (en) | 2021-12-03 | 2021-12-03 | Automatic grading equipment and grading method for fresh leaves of famous green tea |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114146921A true CN114146921A (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111470168.5A Withdrawn CN114146921A (en) | 2021-12-03 | 2021-12-03 | Automatic grading equipment and grading method for fresh leaves of famous green tea |
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| CN (1) | CN114146921A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114522885A (en) * | 2022-03-23 | 2022-05-24 | 四川省农业科学院茶叶研究所 | Tea tree fresh leaf grading plant |
-
2021
- 2021-12-03 CN CN202111470168.5A patent/CN114146921A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114522885A (en) * | 2022-03-23 | 2022-05-24 | 四川省农业科学院茶叶研究所 | Tea tree fresh leaf grading plant |
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