Strip-shaped tea roasting machine

Abstract

The utility model relates to the technical field of tea production, and provides a strip-shaped tea roasting machine which comprises a machine frame, a roasting device arranged on the machine frame and a screening device arranged at the discharging end of the roasting device, and the roasting device comprises an outer barrel arranged on the machine frame, an inner barrel arranged in the outer barrel and a driving device used for driving the inner barrel to rotate. One end of the inner cylinder extends out of the outer cylinder, two supports are arranged on the rack, first rolling wheels are arranged on the supports and abut against the outer wall of the inner cylinder, and the screening device comprises at least two open boxes arranged on the rack, screening plates obliquely arranged in the open boxes and openings formed in the side walls of the open boxes. The meshes of the screening plate which is closer to the rear are larger, the lower ends of the screening plates extend to the next open box along the opening, the tea leaves are conveyed to the screening plate in the next open box, and a collecting box is arranged on the outer wall of the open box at the tail end. The technical problems that in the prior art, tea leaves need to be screened manually after being fried, and the production efficiency is low are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of tea production, in particular to a strip tea frying and drying machine. Background Art

[0002] Tea refers to a beverage made from the leaves of tea trees and can be directly brewed with boiling water. The production and processing of tea involves multiple steps such as picking, frying, rolling, and drying. In the frying process of tea making, frying machines are now commonly used for frying tea. Existing frying machines generally use drum frying machines, but when the drum frying machines discharge the tea, there will be a lot of broken leaves and tea residues mixed in the tea. In order to avoid affecting the quality of the tea, manual selection is required later. After selecting the tea residues, it may be necessary to sort the tea according to the size of the tea. The selection process is time-consuming and labor-intensive, the labor intensity of the staff is high, and the work efficiency is low. Utility Model Content

[0003] Therefore, in view of the above problems, the utility model proposes a strip tea frying and drying machine, which solves the technical problem that the existing tea leaves need to be manually screened after frying and drying, resulting in low production efficiency.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A strip tea frying and drying machine comprises a frame, a frying and drying device arranged on the frame, and a screening device arranged at the discharge end of the frying and drying device, the frying and drying device comprises an outer cylinder arranged on the frame, an inner cylinder arranged inside the outer cylinder, and a driving device for driving the inner cylinder to rotate, one end of the inner cylinder extends out of the outer cylinder, two brackets are arranged on the frame, a first roller is arranged on the bracket, the first roller abuts against the outer wall of the inner cylinder, a plurality of material guiding blades are arranged on the inner wall of the inner cylinder, the screening device comprises at least two open boxes arranged on the frame, an inclined screening plate arranged in the open box, and an opening arranged on the side wall of the open box, the mesh of the screening plate closer to the back is larger, the lower end of the screening plate extends along the opening to the next open box, and sends the tea leaves to the screening plate in the next open box, and the outer wall of the open box at the end is provided with a collecting box.

[0006] Further:

[0007] The driving device comprises a first motor arranged on a frame, and a belt arranged at an output end of the first motor, and the other end of the belt is connected around the end of the inner cylinder.

[0008] A fixing plate is provided on the inner wall of the open box, a spring is provided on the fixing plate, and the other end of the spring is connected to the lower end of the screening plate.

[0009] A plurality of heat-conducting plates are arranged around the outer surface of the inner cylinder, and a plurality of heating wires are arranged at intervals inside the heat-conducting plates.

[0010] One end of the inner cylinder extending out of the outer cylinder is a feeding end, and a cover plate is provided on the feeding end of the inner cylinder so as to be openable and closable. A feeding port and a first guide plate are provided on the cover plate, and tea leaves enter the inner cylinder from the first guide plate.

[0011] A second material guide plate is arranged between the outer cylinder and the open box, and the tea leaves enter the open box at the front end from the second material guide plate.

[0012] A plurality of second rollers are disposed on the inner wall of the outer cylinder, and the second rollers abut against the outer wall of the inner cylinder.

[0013] The number of the open boxes is three.

[0014] The frame is provided with a plurality of moving wheels.

[0015] By adopting the above technical solution, the beneficial effects of the utility model are:

[0016] The utility model improves the stability of the inner drum during rotation through the first roller, and realizes multi-stage screening through the screening device. The mesh holes on the screening plates further back are larger, so the broken tea leaves can be filtered first to improve the quality of the tea leaves, and then the tea leaves can be sorted out step by step according to different sizes, thereby simplifying the process flow, saving time and effort, saving manpower, and improving the overall production efficiency; further, the screening plates can be shaken by springs to prevent the tea leaves from piling up, thereby speeding up the sorting accuracy and efficiency, and reducing the phenomenon of tea leaves blocking the mesh holes; further, heat can be evenly transferred to the tea leaves through the heat conduction plates and the heating wires to avoid local overheating and achieve a better heating effect; further, the cover plate can prevent dust from entering the inner drum; further, the second roller can reduce friction, and the inner drum is more stable during rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a structural schematic diagram of a frying and drying device;

[0019] Figure 3 It is a schematic diagram of the structure of the stir-frying device from another angle;

[0020] Figure 4 yes Figure 3 A partial enlarged view of

[0021] Figure 5 It is a cross-sectional view of the inner cylinder and the outer cylinder;

[0022] Figure 6 It is a structural schematic diagram of the screening device.

[0023] In the figure: 1. frame; 2. outer cylinder; 3. inner cylinder; 4. driving device; 5. screening device; 11. bracket; 12. first roller; 31. guide blade; 51. open box; 52. screening plate; 53. opening; 54. collecting box; 41. first motor; 42. belt; 55. fixing plate; 56. spring; 31. heat conducting plate; 32. heating wire; 33. cover plate; 34. first guide plate; 13. second guide plate; 21. second roller; 14. moving wheel. DETAILED DESCRIPTION

[0024] The utility model is now further described in conjunction with the accompanying drawings and specific implementation methods.

[0025] refer to Figures 1 to 6 The utility model provides a strip tea frying and drying machine, comprising a frame 1, a frying and drying device arranged on the frame 1, and a screening device 5 arranged at the discharge end of the frying and drying device. The frying and drying device comprises an outer cylinder 2 arranged on the frame 1, an inner cylinder 3 arranged inside the outer cylinder 2, and a driving device 4 for driving the inner cylinder 3 to rotate. The driving device 4 comprises a first motor 41 arranged on the frame 1, and a belt 42 arranged at the output end of the first motor 41, and the other end of the belt 42 is connected around the end of the inner cylinder 3. One end of the inner cylinder 3 extends out of the outer cylinder 2. Two brackets 11 are arranged on the frame 1, and a first roller 12 is arranged on the bracket 11, and the first roller 12 abuts against the outer wall of the inner cylinder 3. A plurality of second rollers 21 are arranged on the inner wall of the outer cylinder 2, and the second rollers 21 abut against the outer wall of the inner cylinder 3. A plurality of moving wheels 14 are arranged on the frame 1.

[0026] The screening device 5 includes three open boxes 51 arranged on the frame 1, inclined screening plates 52 arranged in the open boxes 51, and openings 53 arranged on the side walls of the open boxes 51. The mesh of the screening plates 52 closer to the back is larger. The lower end of the screening plate 52 extends along the opening 53 to the next open box 51, and the tea leaves are sent to the screening plate 52 in the next open box 51. The outer wall of the last open box 51 is provided with a collecting box 54. The inner wall of the open box 51 is provided with a fixing plate 55, and the fixing plate 55 is provided with a spring 56, and the other end of the spring 56 is connected to the lower end of the screening plate 52.

[0027] The inner wall of the inner cylinder 3 is provided with a plurality of guide blades 31. The outer surface of the inner cylinder 3 is surrounded by a plurality of heat conducting plates 31, and a plurality of electric heating wires 32 are arranged at intervals in the heat conducting plates 31. One end of the inner cylinder 3 extending out of the outer cylinder 2 is the feed end, and the feed end of the inner cylinder 3 is provided with a cover plate 33 which can be opened and closed, and the cover plate 33 is provided with a feed port and a first guide plate 34, and the tea leaves enter the inner cylinder 3 from the first guide plate 34. A second guide plate 13 is provided between the outer cylinder 2 and the open box 51, and the tea leaves enter the open box 51 at the front end from the second guide plate 13.

[0028] The number of the open boxes 51 can be two, three, four or even more, depending on the specific situation.

[0029] The spring 56 may not be provided, but a telescopic cylinder may be provided on the fixed plate 55 to vibrate the screening plate 52, which may be provided according to specific circumstances.

[0030] The heat conducting plate 31 and the heating wire 32 may not be provided, but a fan may be used for heating, which is provided according to specific circumstances.

[0031] The cover plate 33, the first material guide plate 34 and the second material guide plate 13 may not be provided, and may be provided according to specific circumstances.

[0032] The second roller 21 may not be provided, and may be provided according to specific circumstances.

[0033] The above-mentioned moving wheel 14 may also not be provided, and may be provided according to specific circumstances.

[0034] The working mode of the utility model is:

[0035] When in use, pour the tea leaves from the first guide plate 34 into the inner cylinder 3, start the first motor 41, make the inner cylinder 3 rotate to stir the tea leaves, the heat conducting plate 31 heats the tea leaves evenly, the guide blades 31 stir the tea leaves, after the frying and drying process is completed, open the cover plate 33, the tea leaves fall from the second guide plate 13 into the screening plate 52 of the first open box 51, first filter out the tea residue, and the remaining tea leaves fall into the screening plate 52 of the second open box 51, the smaller tea leaves fall into the bottom of the second open box 51, and the larger tea leaves fall into the screening plate 52 of the third open box 51, and the tea leaves are screened step by step according to their size, and the largest tea leaves fall into the collection box. The structure is simple and the operation is convenient and quick.

[0036] Although the present invention has been specifically demonstrated and described in conjunction with the preferred embodiments, those skilled in the art should understand that various changes may be made to the present invention in form and detail without departing from the spirit and scope of the present invention as defined in the appended claims, all of which are within the scope of protection of the present invention.

Claims

1. A strip tea frying and drying machine, characterized in that: The invention comprises a frame, a frying-drying device arranged on the frame, and a screening device arranged at the discharge end of the frying-drying device. The frying-drying device comprises an outer cylinder arranged on the frame, an inner cylinder arranged inside the outer cylinder, and a driving device for driving the inner cylinder to rotate. One end of the inner cylinder extends out of the outer cylinder. Two brackets are arranged on the frame. A first roller is arranged on the bracket. The first roller abuts against the outer wall of the inner cylinder. A plurality of material guiding blades are arranged on the inner wall of the inner cylinder. The screening device comprises at least two open boxes arranged on the frame, an inclined screening plate arranged in the open box, and an opening arranged on the side wall of the open box. The mesh of the screening plate is larger when it is closer to the back. The lower end of the screening plate extends along the opening to the next open box, and sends the tea leaves to the screening plate in the next open box. A collecting box is arranged on the outer wall of the last open box.

2. The strip tea frying and drying machine according to claim 1, characterized in that: The driving device comprises a first motor arranged on a frame, and a belt arranged at an output end of the first motor, and the other end of the belt is connected around the end of the inner cylinder.

3. The strip tea frying and drying machine according to claim 1, characterized in that: A fixing plate is provided on the inner wall of the open box, a spring is provided on the fixing plate, and the other end of the spring is connected to the lower end of the screening plate.

4. The strip tea frying and drying machine according to claim 1, characterized in that: A plurality of heat-conducting plates are arranged around the outer surface of the inner cylinder, and a plurality of heating wires are arranged at intervals inside the heat-conducting plates.

5. The strip tea frying and drying machine according to claim 1, characterized in that: One end of the inner cylinder extending out of the outer cylinder is a feeding end, and a cover plate is provided on the feeding end of the inner cylinder so as to be openable and closable. A feeding port and a first guide plate are provided on the cover plate, and tea leaves enter the inner cylinder from the first guide plate.

6. The strip tea frying and drying machine according to claim 1, characterized in that: A second material guide plate is arranged between the outer cylinder and the open box, and the tea leaves enter the open box at the front end from the second material guide plate.

7. The strip tea frying and drying machine according to claim 1, characterized in that: A plurality of second rollers are disposed on the inner wall of the outer cylinder, and the second rollers abut against the outer wall of the inner cylinder.

8. The strip tea frying and drying machine according to claim 1, characterized in that: The number of the open boxes is three.

9. The strip tea frying and drying machine according to claim 1, characterized in that: The frame is provided with a plurality of moving wheels.

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