A green up machine

Abstract

The utility model discloses a kind of green increasing machines, belong to tea processing equipment technical field.A kind of green increasing machine, including fixed frame, movable adjusting frame, drum assembly, driving assembly, feeding device and angle adjusting mechanism;One end of movable adjusting frame is rotatably installed on fixed frame, and the other end of movable adjusting frame is connected with fixed frame by angle adjusting mechanism, and drum assembly is installed on movable adjusting frame;Drum assembly includes feed cylinder, drum and stirring assembly;One end of stirring assembly sequentially penetrates feed cylinder and drum and is set;Stirring assembly includes rotating shaft;Several stirring blades and threaded stirring blades are fixedly arranged on the outer periphery of the part of drum of rotating shaft;Threaded stirring blade is arranged in spiral shape;In this way, the tumbling frequency and stirring uniformity of tea in drum are effectively improved, and the green increasing efficiency is further improved.

Description

Technical Field

[0001] This utility model belongs to the technical field of tea processing equipment, and more specifically, relates to a greening machine. Background Technology

[0002] The greening process of tea is one of the key quality control links in the initial processing of tea. Its main purpose is to break the surface cells of tea leaves through mechanical friction and heat, promote enzymatic reactions, and thus improve the color, aroma and subsequent processing quality of tea. Existing greening equipment usually adopts a single drum structure, which relies on the rotation of the drum to drive the tea leaves to tumble, so that the tea leaves can achieve initial stirring and friction inside the drum.

[0003] However, traditional greening equipment has the following shortcomings in actual use: First, the mixing structure is simple, generally with only a few mixing blades. During the mixing process, due to the gap between the mixing blades, uneven mixing is likely to occur when mixing tea leaves, which affects the greening effect.

[0004] Therefore, there is an urgent need for a greening machine with optimized structure and better mixing effect to solve the above-mentioned technical problems and improve the processing quality and production efficiency of the tea greening process. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a greening machine that can achieve more uniform stirring of tea leaves.

[0006] This utility model discloses a greening machine, comprising a fixed frame, a movable adjustable frame, a drum assembly, a mixing assembly, a drive assembly, and an angle adjustment mechanism; one end of the movable adjustable frame is rotatably mounted on the fixed frame, and the other end of the movable adjustable frame is connected to the fixed frame via the angle adjustment mechanism; the drum assembly is mounted on the movable adjustable frame; the output end of the drive assembly is connected to the input end of the mixing assembly and the input end of the drum assembly, respectively, to drive the rotation of the mixing assembly and the drum assembly.

[0007] The drum assembly includes a feed cylinder, a drum, and a mixing component; one end of the mixing component passes through the feed cylinder and the drum in sequence; the mixing component includes a rotating shaft; several mixing blades and threaded mixing blades are fixedly arranged on the outer periphery of the part of the rotating shaft located inside the drum; the threaded mixing blades are arranged in a spiral shape.

[0008] As a further improvement of this utility model, two threaded stirring plates are provided, including a large threaded stirring plate and a small threaded stirring plate; the maximum outer diameter of the small threaded stirring plate is smaller than the maximum outer diameter of the large threaded stirring plate, and the large threaded stirring plate is arranged around the outer circumference of the small threaded stirring plate.

[0009] As a further improvement of this utility model, the stirring blades are interlaced within the threaded stirring blades.

[0010] As a further improvement of this utility model, it also includes a feeding hopper and a feeding device; the feeding hopper is installed on the top of the feeding cylinder and is connected through the inner cavity of the feeding cylinder; the top of the feeding hopper is installed below the output end of the feeding device to receive the tea leaves being transported.

[0011] As a further improvement of this utility model, the feeding device is installed above the roller assembly; the feeding device includes a feeding hopper, a belt drive assembly, and a belt conveyor assembly; the feeding hopper is arranged through and open from top to bottom; the belt conveyor assembly is installed at the bottom of the feeding hopper; the feeding hopper is covered on the top of the belt conveyor assembly and is installed and connected to the top of the brackets arranged on both sides of the belt conveyor assembly; the belt drive assembly is respectively installed and connected to the outer side walls of the brackets on both sides of the belt conveyor assembly.

[0012] The belt drive assembly includes a belt drive motor and a transmission roller mechanism; the output end of the belt drive motor is connected to the input end of the transmission roller mechanism to drive the transmission roller mechanism to rotate; several rollers of the transmission roller mechanism are inserted on the belt of the belt conveyor assembly, and drive the belt of the belt conveyor assembly to rotate through the transmission roller mechanism.

[0013] As a further improvement of this utility model, the belt drive assembly also includes two fixed plates; the transmission roller mechanism includes two transmission rollers and an adjusting roller; the two fixed plates are respectively installed on the outer side walls of the brackets on both sides of the belt transmission assembly; the transmission rollers and the adjusting rollers are both installed below the brackets; the transmission rollers are arranged vertically and rotatably between the two fixed plates; the adjusting rollers are slidably installed on the two fixed plates; the two ends of the transmission rollers pass through the corresponding fixed plates and are rotatably connected to the fixed plates.

[0014] Roller assemblies are installed at both ends of the bracket to form a belt support assembly for supporting the belt;

[0015] The belt conveyor assembly also includes a belt, which is disposed around the outer periphery of the belt support assembly and circulates along the path formed by the belt support assembly, the drive roller and the adjusting roller;

[0016] The belt segment located below the belt support assembly is positioned between the bottom of the belt support assembly and the top of the second transmission roller, and extends downward to the bottom of the first transmission roller. After contacting the first transmission roller, it extends further upward to the area between the top of the adjusting roller and the bottom of the belt support assembly, thereby forming a closed transmission path.

[0017] As a further improvement of this utility model, the belt drive assembly also includes a belt drive motor; two transmission rollers are a first transmission roller and a second transmission roller, respectively; the first transmission roller is installed below the second transmission roller; the output end of the belt drive motor is connected to the input end of the first transmission roller to drive the first transmission roller to rotate.

[0018] As a further improvement of this utility model, both fixed plates are provided with through-slide tracks, the two slide tracks are arranged opposite each other and are at the same horizontal position below the bracket; the two ends of the adjusting roller are slidably arranged in the corresponding slide tracks.

[0019] As a further improvement of this utility model, the adjusting roller includes a shaft and a rolling wheel, with the rolling wheel rotatably sleeved on the outer periphery of the shaft;

[0020] The shaft has corresponding slide rails at both ends, and a first threaded hole is horizontally opened at both ends of the shaft. A lead screw is threaded into the first threaded hole. A fixing block is installed at the end of the lead screw away from the shaft. The fixing block is fixed to the outer wall of the fixing plate. A second threaded hole is horizontally opened on the fixing block. The end of the lead screw away from the first threaded hole passes through the second threaded hole and is threadedly connected to the fixing block. The position of the shaft in the slide rail is controlled by adjusting the lead screw.

[0021] As a further improvement of this utility model, a scraper is fixedly installed at the bottom of one end of the belt conveyor assembly above the feed hopper, and the two ends of the scraper are respectively fixedly connected to the bottom of the corresponding bracket; the scraper is used to scrape the tea leaves remaining on the belt into the feed hopper.

[0022] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0023] The stirring assembly adopts a combination structure of rotating shaft, spiral blades, stirring plates and double spiral stirring plates. The spiral stirring plates are fully distributed in the space inside the drum, which makes the tea more evenly stirred. It can enhance the frictional contact with the tea during the stirring process, effectively break the epidermal cells, and improve the color and aroma quality of the tea.

[0024] The large and small spiral agitators work together to effectively increase the tumbling frequency and mixing uniformity of the tea leaves in the drum, further improving the greening efficiency.

[0025] The feeding device is located above the roller assembly and works with the belt conveyor assembly and feeding hopper to achieve continuous and stable conveying of tea leaves; the belt drive structure is compact and installed in the middle of the feeding device, which effectively utilizes space and reduces structural interference.

[0026] By setting up adjusting rollers and slide structures, the tension of the conveyor belt can be precisely adjusted, extending the belt's service life and ensuring stable feeding.

[0027] The belt is equipped with a scraper at the bottom, which can effectively remove tea leaves adhering to the belt into the feed hopper, thus avoiding tea residue. Attached Figure Description

[0028] Figure 1 This is a front view structural diagram of the greening machine of this utility model;

[0029] Figure 2 This is a cross-sectional structural diagram of the greening machine of this utility model;

[0030] Figure 3 This is a side view of the greening machine of this utility model;

[0031] Figure 4 This is a top view of the greening machine of this utility model;

[0032] Figure 5 This is a schematic diagram of the belt conveyor assembly and belt drive assembly of this utility model;

[0033] Figure 6 This is a schematic diagram of the belt drive assembly and partial belt conveyor assembly of this utility model.

[0034] Explanation of the labels in the diagram:

[0035] 1. Fixed frame; 13. Drum gear; 14. Drive shaft; 2. Movable adjustable frame; 31. Feed cylinder; 32. Drum; 34. Transmission gear; 37. Drum support roller assembly; 4. Drum motor; 51. Threaded agitator; 52. Spiral blade; 53. Agitator; 54. Rotating shaft; 6. Main shaft motor; 7. Feed hopper; 8. Feeding device; 81. Belt conveyor assembly; 82. Belt drive assembly; 821. Fixed plate; 822. Transmission roller; 823. Adjusting roller; 83. Scraper; 84. Feed hopper; 9. Angle adjustment mechanism; 10. Gas spring support. Detailed Implementation

[0036] The present invention will be further described in detail below with reference to the embodiments. The following embodiments are explanations of the present invention, but the present invention is not limited to the following embodiments.

[0037] Specific Implementation Example 1: Please refer to... Figures 1-6 A greening machine includes a fixed frame 1, a movable adjustable frame 2, a roller assembly, a drive assembly, a feed hopper 7, a mixing assembly, a feeding device 8, and an angle adjustment mechanism 9. One end of the movable adjustable frame 2 is rotatably mounted on the fixed frame 1, and the other end of the movable adjustable frame 2 is connected to the fixed frame 1 via the angle adjustment mechanism 9. The roller assembly is mounted on the movable adjustable frame 2. The angle adjustment mechanism 9 is used to adjust the tilt angle of the roller assembly to meet different production needs.

[0038] The drive assembly is mounted on the movable adjustment frame 2; the output end of the drive assembly is connected to the input end of the stirring assembly and the input end of the drum assembly respectively, so as to drive the stirring assembly and the drum assembly to rotate.

[0039] The drum assembly includes a feed cylinder 31 and a drum 32; both the feed cylinder 31 and the drum 32 are fixed on the movable adjustment frame 2; one end of the feed cylinder 31 is installed opposite to one end of the drum 32, and the hollow inner cavity of the feed cylinder 31 and the hollow inner cavity of the drum 32 are connected to each other to form a cavity; one end of the stirring assembly passes through the feed cylinder 31 and the drum 32 in sequence; both ends of the stirring assembly are pivotally connected to seated bearings, which are fixedly installed on the top of the movable adjustment frame 2, and the stirring assembly is installed on the movable adjustment frame 2 through the seated bearings;

[0040] The stirring assembly includes a rotating shaft 54; a spiral blade 52 is provided on the outer periphery of the portion of the rotating shaft 54 ​​located in the feed cylinder 31, and the spiral blade 52 can push the tea leaves in the feed cylinder 31 into the drum 32; a plurality of stirring blades 53 and threaded stirring blades 51 are fixedly arranged on the outer periphery of the portion of the rotating shaft 54 ​​located in the drum 32; the threaded stirring blades 51 are arranged in a spiral shape.

[0041] There are two threaded stirring plates 51, including a large threaded stirring plate and a small threaded stirring plate; the maximum outer diameter of the small threaded stirring plate is smaller than the maximum outer diameter of the large threaded stirring plate, and the large threaded stirring plate is arranged around the outer circumference of the small threaded stirring plate; the stirring plate 53 is inserted into the threaded stirring plate 51 and is fixedly connected to the outer circumference of the rotating shaft 54.

[0042] A ring of aluminum plate is installed inside the drum 32; the aluminum plate is provided with protruding teeth extending towards the center of the drum 32, the protruding teeth increase the friction area with the tea leaves, and improve the production efficiency of the equipment.

[0043] The roller assembly also includes a transmission gear 34; the transmission gear 34 is sleeved on the outer periphery of the end of the roller 32 near the feed cylinder 31 and is fixedly connected to the roller 32.

[0044] The drive assembly includes a drum motor 4 and a spindle motor 6; the drum motor 4 and the spindle motor 6 are respectively mounted on the movable adjustment frame 2; the drum motor 4 drives the drum assembly to rotate; a drive shaft 14 is installed at the output end of the drum motor 4, and a drum gear 13 is fixedly installed at the end of the drive shaft 14 away from the drum motor 4. The drum gear 13 and the transmission gear 34 are meshed and connected. The drum motor 4 drives the transmission gear 34 through the drum gear 13 to drive the drum 32 to rotate, thereby stirring the tea.

[0045] The output end of the main shaft motor 6 is installed and connected to the rotating shaft 54 ​​exposed on the outside of one end of the feed cylinder 31. By driving the rotating shaft 54 ​​to rotate, the spiral blade 52, the stirring blade 53 and the threaded stirring blade 51 are driven to rotate, thereby transporting and stirring the tea in the drum assembly, and finally discharging the tea from the open end of the drum 32 away from the feed cylinder 31.

[0046] The feed hopper 7 is installed on the top of the feed cylinder 31 and is connected to the inner cavity of the feed cylinder 31; the top of the feed hopper 7 is installed below the output end of the feeding device 8 to receive the tea leaves being conveyed.

[0047] The feeding device 8 is installed above the roller assembly; the feeding device 8 includes a feeding hopper 84, a belt drive assembly 82, and a belt conveyor assembly 81; the feeding hopper 84 is arranged through from top to bottom; the belt conveyor assembly 81 is installed at the bottom of the feeding hopper 84; the feeding hopper 84 covers the top of the belt conveyor assembly 81 and is installed and connected to the top of the brackets arranged on both sides of the belt conveyor assembly 81; the belt drive assembly 82 is installed and connected to the outer side walls of the brackets on both sides of the belt conveyor assembly 81 respectively.

[0048] The belt drive assembly 82 includes a belt drive motor and a transmission roller mechanism; the output end of the belt drive motor is connected to the input end of the transmission roller mechanism to drive the transmission roller mechanism to rotate; a number of rollers provided by the transmission roller mechanism are inserted on the belt provided by the belt conveyor assembly 81, and drive the belt of the belt conveyor assembly 81 to rotate through the transmission roller mechanism.

[0049] A crossbar is installed between the two brackets, and the brackets are fixedly connected by the crossbar.

[0050] The belt drive assembly 82 also includes two fixed plates 821; the transmission roller mechanism includes two transmission rollers 822 and an adjusting roller 823; the two fixed plates 821 are respectively installed on the outer side walls of the brackets on both sides of the belt transmission assembly 81; the transmission rollers 822 and the adjusting rollers 823 are both installed below the brackets; the transmission rollers 822 are arranged vertically and rotated between the two fixed plates 821; the adjusting rollers 823 are slidably mounted on the two fixed plates 821.

[0051] The two ends of the transmission roller 822 pass through the corresponding fixed plate 821 and are rotatably connected to the fixed plate 821.

[0052] The two transmission rollers 822 are the first transmission roller and the second transmission roller, respectively; the first transmission roller is installed below the second transmission roller; the output end of the belt drive motor is connected to the input end of the first transmission roller to drive the first transmission roller to rotate.

[0053] The adjusting roller 823 includes a shaft and a roller, with the roller rotating and sleeved around the outer periphery of the shaft.

[0054] Both fixed plates 821 have through-cut slides, which are arranged opposite each other and at the same horizontal position below the bracket. The two ends of the shaft are respectively through the corresponding slides, and both ends of the shaft have horizontal through-cut first threaded holes. A lead screw is threaded into the first threaded hole. A fixing block is set at the end of the lead screw away from the shaft. The fixing block is fixedly set on the outer wall of the fixed plate 821. A second threaded hole is horizontally opened on the fixing block. The end of the lead screw away from the first threaded hole passes through the second threaded hole and is threadedly connected to the fixing block. The position of the shaft in the slide is controlled by adjusting the lead screw.

[0055] Roller assemblies are installed at both ends of the bracket to form a belt support assembly;

[0056] The structure of the roller assembly is the same as that of the adjusting roller 823;

[0057] The belt of the belt conveyor assembly 81 covers the outer periphery of the belt support assembly; the belt below the belt support assembly first passes through the top of the second drive roller, then through the bottom of the first drive roller, and finally through the top of the adjusting roller 823, as shown. Figure 5 As shown.

[0058] A scraper 83 is fixedly installed at the bottom of the belt conveyor assembly 81. The scraper 83 is located above the feed hopper 7, and both ends of the scraper 83 are fixedly connected to the bottom of the corresponding brackets. The scraper 83 is used to scrape the tea leaves remaining on the belt into the feed hopper 7.

[0059] An angle adjustment mechanism 9 is installed on the fixed frame 1. The angle adjustment mechanism 9 is connected to the movable adjustment frame 2. The tilt angle of the adjustment frame 2 is obtained by adjustment, thereby achieving the purpose of adjusting the tilt angle of the roller 32.

[0060] The angle adjustment mechanism 9 is existing technology, such as the "tilt adjustment device" disclosed in Chinese patent application number "CN201821226970.3", so it will not be described in detail here.

[0061] The greening machine also includes two or more gas spring support members 10, which are respectively installed on both sides of the bottom of the movable adjustment frame 2; one end of the gas spring support member 10 is installed and connected to the bottom of the movable adjustment frame 2, and the other end is installed and connected to the fixed frame 1, so as to play an auxiliary support connection role.

[0062] Working principle:

[0063] Tea leaves are fed into the feed hopper 7 via the feeding device 8, and then discharged into the feed cylinder 31. At this time, the main shaft motor 6 drives the stirring assembly to rotate, and the tea leaves are fed into the drum 32 through the spiral blades 52, where the tea leaves are stirred. The drum motor 4 synchronously drives the drum 32 to rotate, further stirring the tea leaves. Finally, the tea leaves are discharged from the open end of the drum 32. Through the rotation of the drum 32 and the stirring of the stirring assembly, the friction between the tea leaves and the aluminum plate breaks down the cells in the tea leaves, which is beneficial to improving the quality of the tea leaves and subsequent processing. The spiral stirring blades 51 further ensure that the tea leaves are stirred more thoroughly, avoiding uneven stirring.

[0064] The feeding device 8 adopts a belt conveyor assembly 81, and the belt drive assembly 82 is located in the middle of the belt conveyor assembly 81, making full use of the space above the roller assembly and reducing the interference of the belt drive assembly 82 with other structures. By adjusting the lead screw, the position of the shaft of the adjusting roller 823 in the slide on the fixed plate 821 is adjusted, thereby changing the angle of the belt relative to the bottom of the first transmission roller, and the distance between the belt passing through the top of the adjusting roller 823 and the roller assembly is adjusted, thus realizing the adjustment of the belt tension of the belt conveyor assembly 81. The belt can be adjusted according to the actual production situation, thereby extending its service life.

[0065] The above description is merely a preferred embodiment of this application, but the scope of protection of this application is not limited thereto; any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this application, based on the technical solution and its improved concept, should be covered within the scope of protection of this application.

Claims

1. A green machine, comprising a fixed frame (1), a movable adjusting frame (2), a roller assembly, a stirring assembly, a driving assembly and an angle adjusting mechanism (9); one end of the movable adjusting frame (2) is rotatably installed on the fixed frame (1), the other end of the movable adjusting frame (2) is installed and connected with the fixed frame (1) through the angle adjusting mechanism (9), and the roller assembly is installed on the movable adjusting frame (2); the output end of the driving assembly is respectively installed and connected with the input end of the stirring assembly and the input end of the roller assembly, so as to respectively drive the rotating operation of the stirring assembly and the roller assembly; characterized in that: The drum assembly includes a feed cylinder (31), a drum (32) and a stirring assembly; one end of the stirring assembly passes through the feed cylinder (31) and the drum (32) in sequence; the stirring assembly includes a rotating shaft (54); a number of stirring blades (53) and threaded stirring blades (51) are fixedly arranged on the outer periphery of the part of the rotating shaft (54) located inside the drum (32); the threaded stirring blades (51) are arranged in a spiral shape.

2. A green up machine as claimed in claim 1 wherein: There are two threaded stirring plates (51), including a large threaded stirring plate and a small threaded stirring plate; the maximum outer diameter of the small threaded stirring plate is smaller than the maximum outer diameter of the large threaded stirring plate, and the large threaded stirring plate is arranged around the outer circumference of the small threaded stirring plate.

3. A green machine according to claim 1, characterized in that: The stirring plate (53) is inserted inside the threaded stirring plate (51).

4. A green machine according to claim 1, characterized in that: It also includes a feeding hopper (7) and a feeding device (8); the feeding hopper (7) is installed on the top of the feeding cylinder (31) and is connected to the inner cavity of the feeding cylinder (31); the top of the feeding hopper (7) is installed below the output end of the feeding device (8) to receive the tea leaves being transported.

5. A green machine according to claim 4, characterized in that: The feeding device (8) is installed above the roller assembly; the feeding device (8) includes a feeding hopper (84), a belt drive assembly (82) and a belt conveyor assembly (81); the feeding hopper (84) is arranged through from top to bottom; the belt conveyor assembly (81) is installed at the bottom of the feeding hopper (84); the feeding hopper (84) covers the top of the belt conveyor assembly (81) and is installed and connected to the top of the brackets arranged on both sides of the belt conveyor assembly (81); the belt drive assembly (82) is installed and connected to the outer side wall of the brackets on both sides of the belt conveyor assembly (81); The belt drive assembly (82) includes a belt drive motor and a transmission roller mechanism; the output end of the belt drive motor is connected to the input end of the transmission roller mechanism to drive the transmission roller mechanism to rotate; a number of rollers provided by the transmission roller mechanism are inserted on the belt provided by the belt conveyor assembly (81), and drive the belt of the belt conveyor assembly (81) to rotate through the transmission roller mechanism.

6. A green machine according to claim 5, characterized in that: The belt drive assembly (82) also includes two fixed plates (821); the transmission roller mechanism includes two transmission rollers (822) and an adjusting roller (823); the two fixed plates (821) are respectively installed on the outer side walls of the brackets on both sides of the belt transmission assembly (81); the transmission rollers (822) and the adjusting rollers (823) are both installed below the brackets; the transmission rollers (822) are arranged vertically and rotated between the two fixed plates (821); the adjusting rollers (823) are slidably installed on the two fixed plates (821); the two ends of the transmission rollers (822) pass through the corresponding fixed plates (821) and are rotatably connected to the fixed plates (821); Roller assemblies are installed at both ends of the bracket to form a belt support assembly for supporting the belt; The belt conveyor assembly (81) also includes a belt, which is disposed around the outer periphery of the belt support assembly and circulates along the path formed by the belt support assembly, the drive roller and the adjusting roller; The belt segment located below the belt support assembly is positioned between the bottom of the belt support assembly and the top of the second transmission roller, and extends downward to the bottom of the first transmission roller. After contacting the first transmission roller, it extends further upward to the top of the adjusting roller (823) and the bottom of the belt support assembly, thereby forming a closed transmission path.

7. A green machine according to claim 6, characterized in that: The belt drive assembly (82) also includes a belt drive motor; two transmission rollers (822) are a first transmission roller and a second transmission roller, respectively; the first transmission roller is installed below the second transmission roller; the output end of the belt drive motor is connected to the input end of the first transmission roller to drive the first transmission roller to rotate.

8. A green machine according to claim 6, characterized in that: Both fixed plates (821) have through-cut slides, which are arranged opposite each other and at the same horizontal position below the bracket; the two ends of the adjusting rollers (823) are slidably set in the corresponding slides.

9. A green machine according to claim 8, characterized in that: The adjusting roller (823) includes a shaft and a rolling wheel, with the rolling wheel rotatably sleeved on the outer circumference of the shaft; The two ends of the shaft pass through the corresponding slide rails. Both ends of the shaft are horizontally threaded through and have a first threaded hole. A lead screw is threaded into the first threaded hole. A fixing block is installed at the end of the lead screw away from the shaft. The fixing block is fixedly installed on the outer wall of the fixing plate (821). A second threaded hole is horizontally opened on the fixing block. The end of the lead screw away from the first threaded hole passes through the second threaded hole and is threadedly connected to the fixing block. The position of the shaft in the slide rail is controlled by adjusting the lead screw.

10. A green machine according to claim 9, characterized in that: A scraper (83) is fixedly installed at the bottom of one end of the belt conveyor assembly (81) above the feed hopper (7). The two ends of the scraper (83) are fixedly connected to the bottom of the corresponding bracket. The scraper (83) is used to scrape the tea leaves remaining on the belt into the feed hopper (7).

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