Tea tree fresh leaf grading device
A grading device, technology of fresh leaves of tea trees, applied in the direction of solid separation, separation of solids from solids by air flow, chemical instruments and methods, etc., can solve the problem that the accuracy of separation needs to be improved, and it is difficult to separate tea leaves with multi-level gradients to avoid incomplete grading and facilitate centralized collection
Pending Publication Date: 2022-05-24
四川省农业科学院茶叶研究所
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Problems solved by technology
[0003] Existing grading for machine-picked fresh leaves usually adopts a shaking screening machine (according to the size of the machine-picked leaves) or a winnowing machine (according to the weight of the machine-picked leaves), but no matter whether it is a shaking screening machine or a winnowing machine, it is difficult to Tea leaves are separated in multi-level gradients, and the accuracy of separation needs to be improved
Method used
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Embodiment 1
[0032] as Figure 1 ， Figure 2 、 Figure 4Described, a kind of tea plant fresh leaf grading apparatus, comprising a hoist A6, the hoist A6 is tilted from top to bottom setting; the outlet of the hoist A6 is connected with a first-level grading device, the first-level grading device comprises a screening cylinder 2 and a support frame 1, the axial direction of the screening cylinder 2 is consistent with the conveying direction of the elevator A6, the screening cylinder 2 rotation is connected to the support frame 1; the screening cylinder away from the lifter A6 at one end is the discharge end 23;
[0033] The screening cylinder 2 is divided into two regions, respectively, the first leakage hole area 21 and the second leakage hole area 22, the first leakage hole area 21 is close to the elevator A6, the second leakage hole area 22 is far from the elevator A6, the bottom of the support frame 1 corresponding to the first leakage hole area 21 is provided with a channel, the first leakage...
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The invention belongs to the technical field of tea processing, and particularly relates to a tea tree fresh leaf grading device. The device comprises an elevator A, a discharging port of the elevator A is connected with a first-stage grading device, the first-stage grading device comprises a screening barrel and a supporting frame, the screening barrel is connected to the supporting frame, and the screening barrel is provided with a discharging port; the screening barrel is divided into a front area and a rear area, namely a first leak hole area and a second leak hole area, the first leak hole area is close to the elevator A, and the second leak hole area is far away from the elevator A; a conveyor is arranged below the first leak hole area, fresh leaves screened out from the first leak hole area are conveyed to a feeding port of an elevator B in a vibrating mode, and a discharging port of the elevator B is connected with a secondary grading device; the diameter of the leak hole in the first leak hole area is smaller than that of the leak hole in the second leak hole area. The invention provides a tea tree fresh leaf grading device, and aims to accurately divide tea leaves into four grades by adopting two-stage step-by-step screening through combined use of a screening barrel and a winnowing machine.
Description
Technical field [0001] The present invention belongs to the field of tea processing technology, specifically relates to a tea plant fresh leaf grading device. Background [0002] With the continuous shortage of labor, the mechanization of tea production, especially tea picking, is an inevitable trend. Production needs to be mechanically picked tea plant fresh leaves according to the weight and size of tea graded, different levels of tea plant fresh leaves correspond to different production values and different uses; ungraded tea plant fresh leaves due to large differences, the quality of the products produced is mixed and unstable; the tea plant fresh leaves after grading increase the unity of raw materials, tea tree fresh leaves with high uniformity can be processed with the same process parameters when processing, and the processed tea products also have higher quality and stability. [0003] The existing grading of machine-picked fresh leaves is usually graded by shaking the s...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B07B9/00B07B1/22B07B1/46B07B7/01B07B11/06
CPCB07B9/00B07B1/22B07B1/46B07B7/01B07B11/06
Inventor叶玉龙罗凡李兰英黄苹王迎春龚雪蛟刘东娜
Owner四川省农业科学院茶叶研究所