CN112090759B - Fresh tea leaf grader capable of preventing damage and red change - Google Patents
Fresh tea leaf grader capable of preventing damage and red change Download PDFInfo
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- CN112090759B CN112090759B CN202010811541.8A CN202010811541A CN112090759B CN 112090759 B CN112090759 B CN 112090759B CN 202010811541 A CN202010811541 A CN 202010811541A CN 112090759 B CN112090759 B CN 112090759B
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- 241001122767 Theaceae Species 0.000 title claims abstract description 110
- 230000008859 change Effects 0.000 title claims description 20
- 238000012216 screening Methods 0.000 claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000007873 sieving Methods 0.000 claims description 11
- 238000012546 transfer Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 6
- 238000002845 discoloration Methods 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 150000001413 amino acids Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/04—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to size
- B07B13/065—Apparatus for grading or sorting using divergent conveyor belts or cables
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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
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/14—Details or accessories
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- Tea And Coffee (AREA)
Abstract
The invention belongs to the field of tea processing, and particularly relates to an anti-damage red-changing fresh tea leaf classifier which comprises a shell, a screening conveyor belt mechanism and a blanking hopper, wherein the screening conveyor belt mechanism comprises a screening conveyor belt, a conveying wheel and a motor, the horizontal width of the wheel surface of the conveying wheel is gradually reduced from front to back in a plurality of conveying wheels, so that the horizontal width of the screening conveyor belt coated on the conveying wheel is also gradually reduced from front to back, and blanking gaps formed between the screening conveyor belts in the adjacent screening conveyor belt mechanisms are gradually increased from front to back. The fresh tea leaf grading machine disclosed by the invention is used for grading fresh tea leaves by adopting the principle that the distance between the conveying belts is changed from small to large and the fresh tea leaves with different sizes respectively fall off, and the fresh tea leaves and the conveying belts are kept in a relatively static state all the time, so that the fresh tea leaves are not damaged, the fresh tea leaves can be graded in size, and the fresh tea leaves are not damaged, so that the quality of tea products can be improved, and the fresh tea leaf grading machine has obvious advancement and innovation.
Description
Technical Field
The invention belongs to the field of tea processing, and particularly relates to a fresh tea leaf classifier capable of preventing damage and red change.
Background
The fresh tea leaf treatment is an important technical measure for processing 6 kinds of tea, is a basic process for improving the processing quality of tea products, reasonably spreads and withers the fresh tea leaves, can hydrolyze part of protein in the fresh tea leaves into free amino acid, can save energy consumption, improve production efficiency, and improve aroma and freshness of tea soup, thereby improving the quality of the tea products; however, the precondition for obtaining a better effect of processing the fresh tea leaves is that the fresh tea leaves are kept consistent in size and are not damaged, otherwise, the time for reaching the target water content is inconsistent due to inconsistent old tenderness and water loss speed of the fresh tea leaves with different sizes, the fresh tea leaves with fast water loss and damage can generate the phenomena of scorching and scorching buds. Therefore, in order to achieve the consistent size of the fresh tea leaves, the fresh tea leaves are required to be classified, but the current fresh tea leaf classifier mainly adopts 2 types of roller screening type and throwing vibration screening type, which can cause serious damage to the fresh tea leaves, thereby causing the phenomena of scorched buds and scorched edges of the fresh tea leaves in the spreading and withering processes, and seriously affecting the quality of finished products.
Based on the problems, the applicant provides a fresh tea leaf classifier capable of preventing damage and red change.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides a technical scheme of a fresh tea leaf classifier capable of preventing damage and red change.
The fresh tea leaf grader capable of preventing damage and red change is characterized by comprising a machine shell, a plurality of screening conveyor belt mechanisms which are arranged in the machine shell in a matched mode and used for screening fresh tea leaves, and a plurality of blanking hoppers which are arranged at the lower end of the machine shell in a matched mode and used for blanking the fresh tea leaves with different sizes, wherein the screening conveyor belt mechanisms are arranged in parallel, each screening conveyor belt mechanism comprises a screening conveyor belt, a plurality of conveying wheels arranged in rows in the screening conveyor belt, and a motor used for driving the conveying wheels to rotate, among the plurality of conveying wheels, the wheel surface angles of the conveying wheels are gradually reduced from front to back, the horizontal widths of the wheel surfaces are also gradually reduced from front to back, the horizontal width of the screening conveyor belts coated on the conveying wheel is also gradually reduced from front to back, and blanking gaps formed between the screening conveyor belts in the adjacent screening conveyor belt mechanisms are gradually increased from front to back.
The fresh tea leaf classifier capable of preventing damage and red change is characterized in that wheels of the conveying wheel protrude outwards, so that a screening conveying belt coated on the conveying wheel also protrudes outwards.
The fresh tea leaf classifier capable of preventing damage and red change is characterized in that the wheel surface unfolding width and the maximum outer diameter of each conveying wheel are the same.
The fresh tea leaf classifier capable of preventing damage and red change is characterized in that in the screening conveyor belt mechanism, a motor drives one of the conveying wheels to rotate, and the conveying wheel drives the other conveying wheels and the screening conveyor belt to rotate.
The fresh tea leaf classifier capable of preventing damage and red change is characterized in that all the screening conveyor belt mechanisms share one motor.
The fresh tea leaf classifier capable of preventing damage and red change is characterized in that the plurality of blanking hoppers are arranged one by one from front to back and correspond to fresh tea leaves with different sizes.
The fresh tea leaf classifier capable of preventing damage and red change is characterized in that 2-6 blanking hoppers are provided.
The fresh tea leaf grader capable of preventing damage and red change is characterized by further comprising a feeding hopper and a tea leaf lifter for conveying the fresh tea leaves fed into the feeding hopper into the shell.
The fresh tea leaf grader capable of preventing damage and red change is characterized in that the shell is arranged outside all screening conveyor belt mechanisms in a surrounding mode, and a tail end blanking port for falling of fresh tea leaves which cannot fall from blanking gaps is reserved between the rear end of the shell and the tail ends of the screening conveyor belt mechanisms.
Compared with the prior art, the fresh tea leaf grading machine disclosed by the invention is used for grading fresh tea leaves by adopting the principle that the distance between the conveyor belts is changed from small to large and the fresh tea leaves with different sizes respectively fall off, and the fresh tea leaves and the conveyor belts are always kept in a relatively static state, so that the fresh tea leaves are not damaged, the fresh tea leaves can be graded in size, and the fresh tea leaves are not damaged, so that the quality of tea products can be improved, and the fresh tea leaf grading machine has obvious advancement and innovation.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a second schematic top view of the present invention, showing the dropping hopper;
fig. 4 is a structural schematic diagram of a separating screen conveyor belt mechanism in the invention.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in the figure, the fresh tea leaf grader capable of preventing damage and red change comprises a machine shell 1, a plurality of screening conveyor belt mechanisms 2 which are arranged in the machine shell 1 in a matched mode and used for screening fresh tea leaves, and a plurality of blanking hoppers 5 which are arranged at the lower end of the machine shell 1 in a matched mode and used for blanking fresh tea leaves with different sizes, wherein each screening conveyor belt mechanism 2 comprises a screening conveyor belt 20, a plurality of conveying wheels 21 arranged in the screening conveyor belt 20 in rows and a motor 22 used for driving the conveying wheels 21 to rotate, the screening conveyor belt mechanisms 2 are arranged in parallel, specifically, the central lines of the screening conveyor belts 20 are arranged in parallel, among the plurality of conveying wheels 21, the horizontal width of the wheel surface of the conveying wheel 21 is gradually reduced from front to back, so that the horizontal width of the screening conveyor 20 coated on the conveyor wheel 21 also gradually decreases from front to back, so that the blanking gap 4 formed between the screening conveyor belts 20 in the adjacent screening conveyor belt mechanisms 2 becomes gradually larger from front to back. Taking famous tea as an example, the blanking gap 4 is gradually enlarged from front to back from 2mm to 25 mm; for a large amount of tea, the blanking gap 4 is gradually enlarged from the front to the back from 20mm to 40 mm.
As an optimization: the wheel faces of the conveyor wheel 21 project outwards, so that the screening conveyor 20, which is wrapped around the conveyor wheel 21, likewise projects outwards. The longitudinal cross-sectional outer contour of the transfer wheel 21 may be a polygonal structure. The wheel surface expansion width and the maximum outer diameter of each conveying wheel 21 are the same, so that the wheel surface of each conveying wheel 21 can completely support the screening conveyor belt 20, the horizontal absolute width of the screening conveyor belt 20 is gradually reduced from front to back under the condition that the expansion width of the screening conveyor belt 20 is consistent from front to back, the central positions of the conveying wheels 21 are uniform in height, and the height of the screening conveyor belt 20 is uniform.
In the above structure, in the screening conveyor belt mechanism 2, the motor 22 drives one of the conveying wheels 21 to rotate, and the conveying wheel 21 drives the other conveying wheels 21 and the screening conveyor belt 20 to rotate.
In the above structure, all the screening conveyor belt mechanisms 2 share one motor 22, specifically, the motor 22 is in transmission fit with the first conveyor wheel 21 at the front end of each screening conveyor belt mechanism 2 through a transmission shaft 23, and the conveyor wheels 21 corresponding to the rest positions in all the screening conveyor belt mechanisms 2 can be connected in series through wheel shafts.
As an optimization: the plurality of blanking hoppers 5 are arranged one by one from front to back and correspond to fresh tea leaves with different sizes, and the number of the blanking hoppers 5 is 2-6, preferably 4.
As an optimization: the casing 1 encloses and locates all branch sieve conveyer belt mechanism 2 outside, leaves the terminal blanking mouth 6 that is used for supplying the fresh tea leaf that can't drop from blanking clearance 4 to fall between casing 1 rear end and the branch sieve conveyer belt mechanism 2 end, and the lower extreme of terminal blanking mouth 6 is equipped with blanking hopper 5 specially.
In addition, for making the fresh tea leaf can not influence the work of dividing sieve conveyor belt mechanism 2, all be provided with the shrouding in the both sides of dividing sieve conveyor belt mechanism 2, will divide sieve conveyor belt mechanism 2 to seal, only reserve the shaft hole that supplies the axle to penetrate, prevent that the fresh tea leaf from falling into.
Preferably, the tea leaf conveying device further comprises a feeding hopper 8 and a tea leaf lifting machine 3 used for conveying the fresh tea leaves fed into the feeding hopper 8 into the shell 1, the tea leaf lifting machine 3 is a conveying belt special for conveying the fresh tea leaves in the field, and the two sides of the conveying belt are provided with baffle skirt edges for preventing the fresh tea leaves from being damaged, so that the friction between the tea leaves and the baffles in the tea leaf lifting process is prevented.
When the tea fresh leaf conveying device is used, fresh tea leaves are poured into the feeding hopper 8, the fresh tea leaves are conveyed into the shell 1 by the tea lifter 3 and then conveyed by the sieving conveyor belt mechanism 2, the fresh tea leaves are easy to move towards the blanking gaps 4 between the adjacent sieving conveyor belt mechanisms 2 because the middles of the sieving conveyor belts 20 in the sieving conveyor belt mechanism 2 are upwards convex, the width of the blanking gaps 4 is gradually reduced from front to back, the fresh tea leaves corresponding to the size of the fresh tea leaves fall from the blanking gaps 4 to the blanking hopper 5 at different positions, the lower end of the blanking hopper 5 is provided with a conveying mechanism for conveying the fresh tea leaves to the next station or a tea basket for collecting the fresh tea leaves, and the fresh tea leaves with extremely large size fall from the tail end blanking port 6 at the tail end of the tea leaf conveying device and finally fall to the corresponding conveying mechanism or tea basket.
The fresh tea leaf grading machine disclosed by the invention is used for grading fresh tea leaves by adopting the principle that the distance between the conveying belts is changed from small to large and the fresh tea leaves with different sizes respectively fall off, and the fresh tea leaves and the conveying belts are kept in a relatively static state all the time, so that the fresh tea leaves are not damaged, the fresh tea leaves can be graded in size, and the fresh tea leaves are not damaged, so that the quality of tea products can be improved, and the fresh tea leaf grading machine has obvious advancement and innovation.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The fresh tea leaf grader capable of preventing damage and red change is characterized by comprising a machine shell (1), a plurality of sieving conveyor belt mechanisms (2) which are arranged in the machine shell (1) in a matched mode and used for sieving fresh tea leaves, and a plurality of blanking hoppers (5) which are arranged at the lower end of the machine shell (1) in a matched mode and used for blanking fresh tea leaves with different sizes, wherein the sieving conveyor belt mechanisms (2) are arranged in parallel, each sieving conveyor belt mechanism (2) comprises a sieving conveyor belt (20), a plurality of conveying wheels (21) which are arranged in rows in the sieving conveyor belt (20) and a motor (22) used for driving the conveying wheels (21) to rotate, in the plurality of conveying wheels (21), the wheel face angles of the conveying wheels (21) are gradually reduced from front to back one by one, the horizontal widths of the wheel faces are also gradually reduced from front to back one by one, so that the horizontal widths of the sieving conveyor belt (20) coated on the conveying wheels (21) are also gradually reduced from front to back, the blanking gap (4) formed between the screening conveyor belts (20) in the adjacent screening conveyor belt mechanisms (2) is gradually enlarged from front to back; the wheel faces of the conveying wheel (21) protrude outwards, so that the screening conveyor (20) covered on the conveying wheel (21) also protrudes outwards.
2. A fresh tea leaf classifier against breakage and red discoloration according to claim 1, wherein the wheel-surface development width and the maximum outer diameter of each transfer wheel (21) are the same.
3. The fresh tea leaf classifier with damage prevention and red color change prevention of claim 1, wherein in the screening conveyor belt mechanism (2), a motor (22) drives one of the conveyor wheels (21) to rotate, and the conveyor wheel (21) drives the other conveyor wheels (21) and the screening conveyor belt (20) to rotate.
4. A fresh tea leaf classifier with damage prevention and red color change according to claim 3, characterized in that all the classifying conveyor belt mechanisms (2) share one motor (22).
5. The grading machine for fresh tea leaves with breakage prevention and red color change according to any one of claims 1 to 4, wherein the plurality of dropping hoppers (5) are arranged one by one from front to back, corresponding to the fresh tea leaves with different sizes.
6. A grading machine for breakage-proof red-changed fresh tea leaves according to any of claims 1 to 4, characterized in that the falling hopper (5) has 2 to 6.
7. A classification machine for fresh tea leaves with breakage-proof and red-changing function according to any one of claims 1 to 4, characterized by further comprising a feeding hopper (8) and a tea lifter (3) for conveying the fresh tea leaves fed into the feeding hopper (8) into the casing (1).
8. The fresh tea leaf classifier with breakage prevention and red color change prevention according to any one of claims 1-4, characterized in that the casing (1) is enclosed outside all the screening conveyor belt mechanisms (2), and a tail end blanking port (6) for falling off the fresh tea leaves which cannot fall off from the blanking gap (4) is reserved between the rear end of the casing (1) and the tail end of the screening conveyor belt mechanisms (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010811541.8A CN112090759B (en) | 2020-08-13 | 2020-08-13 | Fresh tea leaf grader capable of preventing damage and red change |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010811541.8A CN112090759B (en) | 2020-08-13 | 2020-08-13 | Fresh tea leaf grader capable of preventing damage and red change |
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| Publication Number | Publication Date |
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| CN112090759A CN112090759A (en) | 2020-12-18 |
| CN112090759B true CN112090759B (en) | 2021-11-09 |
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| DE10359369A1 (en) * | 2003-12-18 | 2005-07-21 | Siegwald Gerätebau GmbH | Fruit size sorter has a transporting system of multiple, diverging belts which define a number of openings of gradually and continuously increasing width |
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| CN112090759A (en) | 2020-12-18 |
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Application publication date: 20201218 Assignee: ZHEJIANG SUNYOUNG MACHINERY CO.,LTD. Assignor: TEA Research Institute CHINESE ACADEMY OF AGRICULTURAL SCIENCES Contract record no.: X2022330000069 Denomination of invention: A tea fresh leaf classifier for preventing damage and redness Granted publication date: 20211109 License type: Common License Record date: 20220415 |
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Application publication date: 20201218 Assignee: HUBEI TIANCHI MECHANICS Co.,Ltd. Assignor: TEA Research Institute CHINESE ACADEMY OF AGRICULTURAL SCIENCES Contract record no.: X2023330000912 Denomination of invention: A tea fresh leaf classifier that prevents damage and redness Granted publication date: 20211109 License type: Common License Record date: 20231208 |