Drying device for green tea processing

Abstract

The utility model discloses a drying device for green tea processing, which relates to the technical field of tea processing and comprises a rack, a drying cylinder horizontally arranged on the inner side of the rack, a feeding and discharging port arranged on the circumferential side of the drying cylinder, a sealing cover detachably connected to the feeding and discharging port, and an electric heating rod axially arranged on the inner side of the drying cylinder. Heat insulation columns are fixed to the two ends of the electric heating rod, penetrate through the drying cylinder and are fixed to the rack, the outer sides of the heat insulation columns are rotationally sleeved with shaft sleeves, the shaft sleeves are fixed to the drying cylinder, a driving assembly is installed on one side of the rack and drives the drying cylinder to rotate along the axis of the drying cylinder, and a plurality of dispersing columns are distributed on the circumferential inner wall of the drying cylinder at equal intervals. In the process that the dispersing columns rotate along with the drying cylinder, the tea leaves can be better dispersed, the tea leaf clustering phenomenon is effectively avoided, and the tea leaves can be evenly dried; and through cooperative arrangement of an extension spring, an electromagnet and a dispersion column, the dispersion column can be moved, and tea discharge cannot be blocked.

Description

Technical Field

[0001] This utility model relates to the field of tea processing technology, and in particular to a drying device for green tea processing. Background Technology

[0002] Green tea is a classic tea variety, renowned for its unique aroma and refreshing taste. After being picked, green tea undergoes a series of processing steps, among which drying is a crucial one. The purpose of drying green tea is to evaporate the moisture from the tea leaves, bringing them to the appropriate moisture content, while simultaneously locking in the tea's natural aroma and nutrients.

[0003] Regarding tea drying devices, a search revealed a patent publication number CN221996688U that discloses a constant-temperature rapid-heating fixation device for drying oolong tea. This device includes a base and a support plate, with the support plate fixedly connected to the upper left and right ends of the base. A fixation mechanism is connected to the upper end of the base, comprising a fixation unit and a disassembly unit. In use, the oolong tea leaves to be fixed are first poured into the filter cylinder through a trough. Then, a sealing plate is slid to the inside of the trough, and a cylindrical threaded connection is made to the outer end of a threaded rod, fixing the sealing plate to the inside of the trough. Next, the motor and hot air blower are started. The motor's output shaft rotates, driving the drive gear, which in turn rotates the driven gear, causing the cylindrical rod and connecting rod to rotate together. This rotates the filter cylinder, continuously turning the oolong tea leaves. Simultaneously, hot air is sprayed upwards from the exhaust pipe onto the oolong tea leaves in the filter cylinder, thus drying and fixing the oolong tea leaves.

[0004] Based on the above search and in conjunction with existing technologies, it has been found that existing tea drying devices similar to those disclosed above only utilize the rotation of the filter cylinder to tumble the tea leaves. This tumbling effect is poor, and the unobstructed tumbling of the tea leaves inside the filter cylinder easily leads to clumping, resulting in uneven drying. Therefore, a drying device for green tea processing is proposed to improve upon these problems. Utility Model Content

[0005] The purpose of this application is to provide a drying apparatus for green tea processing to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this application provides the following technical solution: a drying device for green tea processing, including a drying cylinder with a frame horizontally arranged inside the frame, and an inlet and outlet provided on the circumferential side of the drying cylinder, with a sealing cover detachably connected to the inlet and outlet.

[0007] An electric heating rod is axially arranged on the inner side of the drying cylinder. Both ends of the electric heating rod are fixed with heat insulation columns. The heat insulation columns pass through the drying cylinder and are fixed to the frame. A bushing is rotatably sleeved on the outer side of the heat insulation column. The bushing is fixed to the drying cylinder. A drive assembly is installed on one side of the frame. The drive assembly drives the drying cylinder to rotate along its own axis.

[0008] Multiple dispersion columns are evenly distributed on the inner circumference of the drying cylinder.

[0009] As a further supplement to this solution, multiple through holes are equidistantly arranged on the circumferential side of the drying cylinder, and multiple dispersing columns slide through the through holes one by one. A fixing cap is installed at the end of the through hole located on the outside of the drying cylinder, and a positioning component is provided between the fixing cap and the frame to allow the dispersing column to slide along the through hole.

[0010] As a further supplement to this solution, the positioning component includes a tension spring and an electromagnet. Multiple tension springs are provided, and each tension spring is fixed one-to-one between multiple fixing caps and the drying cylinder.

[0011] A mounting bracket is fixed on the outer wall of the drying cylinder. An electromagnet is fixed to the end face of the mounting bracket near the drying cylinder. When the electromagnet is energized, the fixing cap attracts the electromagnet, so that the end of the dispersion column away from the fixing cap is flush with the inner wall of the drying cylinder.

[0012] As a further supplement to this solution, a heat insulation layer is provided between the fixing cap and the dispersion column.

[0013] As a further supplement to this solution, the drive assembly includes a drive motor, transmission gear one, and transmission gear two;

[0014] The drive motor is mounted on the side of the frame. The first transmission gear is coaxially fixed with the output shaft of the drive motor, and the second transmission gear is coaxially fixed and sleeved on the outside of the bushing, and meshes with the first transmission gear.

[0015] In summary, the technical effects and advantages of this utility model are as follows:

[0016] 1. In this utility model, multiple dispersing columns are evenly distributed on the inner circumference of the drying cylinder. As the drying cylinder rotates, the dispersing columns can better disperse the tea leaves, effectively preventing the tea leaves from clumping together and ensuring that the tea leaves are dried evenly.

[0017] 2. In this utility model, through the coordinated arrangement of the tension spring, electromagnet, and dispersing column, the electromagnet is in a de-energized state during the drying process and does not exert a suction force on the fixing cap. At this time, under the elastic force of the tension spring, the fixing cap allows the dispersing column to stably extend into the inner side of the drying cylinder to disperse the tea leaves. When it is necessary to discharge the tea leaves, the electromagnet is energized, and the energized electromagnet attracts the fixing cap. Its attraction force is greater than the elastic force of the tension spring, allowing the fixing cap to contact the electromagnet. At this time, the end of the dispersing column away from the fixing cap is flush with the inner wall of the drying cylinder and will not obstruct the discharge of the tea leaves. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall three-dimensional structure in this embodiment;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure in the dried state in this embodiment;

[0021] Figure 3 for Figure 2 A schematic diagram of a partial cross-sectional structure;

[0022] Figure 4 This is a schematic diagram of the cutting structure in the discharge state in this embodiment;

[0023] Figure 5 for Figure 4 A schematic diagram of a partial cross-sectional structure.

[0024] In the diagram: 1. Frame; 101. Through hole; 2. Drying cylinder; 3. Electric heating rod; 4. Heat insulation column; 5. Bushing; 6. Drive motor; 7. Transmission gear one; 8. Transmission gear two; 9. Loading and unloading ports; 10. Sealing cover; 11. Dispersing column; 12. Fixing cap; 13. Tension spring; 14. Mounting bracket; 15. Electromagnet. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example: Reference Figure 1-5 The drying device for green tea processing shown includes a drying cylinder 2 horizontally arranged inside the frame 1. The drying cylinder 2 is a cylinder with small holes (not shown in the figure) densely distributed on its surface for internal steam to be discharged. The circumferential side of the drying cylinder 2 is provided with upper and lower feed ports 9, and a sealing cover 10 is detachably connected to the upper and lower feed ports 9.

[0027] The drying cylinder 2 has an electric heating rod 3 axially arranged on its inner side. It should be further noted that in order to avoid direct contact between the tea leaves and the electric heating rod 3, a protective sleeve (not shown in the figure) must be added to the outside of the electric heating rod 3. Both ends of the electric heating rod 3 are fixed with heat insulation columns 4. The heat insulation columns 4 pass through the drying cylinder 2 and are fixed to the frame 1. The outer side of the heat insulation column 4 is rotatably sleeved with a bushing 5. The bushing 5 is fixed to the drying cylinder 2. A drive assembly is installed on one side of the frame 1. The drive assembly drives the drying cylinder 2 to rotate along its own axis. When the drying cylinder 2 rotates, it can play a certain role in turning the tea leaves inside, so that the tea leaves can be dried evenly.

[0028] Regarding the drive assembly, specifically, the drive assembly includes a drive motor 6, a first transmission gear 7, and a second transmission gear 8. The drive motor 6 is mounted on the side of the frame 1. The first transmission gear 7 is coaxially fixed with the output shaft of the drive motor 6. The second transmission gear 8 is coaxially fixedly sleeved on the outside of the bushing 5 and meshes with the first transmission gear 7.

[0029] To prevent tea leaves from clumping together during the drying process and causing incomplete drying, multiple dispersing columns 11 are evenly distributed on the inner circumference of the drying cylinder 2. As the drying cylinder 2 rotates, the dispersing columns 11 can better disperse the tea leaves, effectively preventing clumping and ensuring that the tea leaves are dried evenly.

[0030] Considering that the dispersing column 11 may obstruct the tea leaves during discharge, resulting in incomplete tea leaf discharge, this solution provides multiple through holes 101 equidistantly arranged on the circumferential side of the drying cylinder 2. Multiple dispersing columns 11 slide through the through holes 101 one-to-one. A fixing cap 12 is installed at the outer end of the through hole 101 of the drying cylinder 2. A positioning component is provided between the fixing cap 12 and the frame 1 to allow the dispersing column 11 to slide along the through hole 101. Specifically, the positioning component includes a tension spring 13 and an electromagnet 15. Multiple tension springs 13 are provided, and each tension spring 13 is fixed one-to-one between the fixing cap 12 and the drying cylinder 2. A mounting bracket 14 is fixed on the outer wall of the drying cylinder 2. The electromagnet 15 is fixed to the end face of the mounting bracket 14 near the drying cylinder 2. When the electromagnet 15 is energized, the fixing cap 12 and the electromagnet 15 attract each other, so that the end of the dispersing column 11 away from the fixing cap 12 is flush with the inner wall of the drying cylinder 2.

[0031] Through the coordinated arrangement of the tension spring 13, electromagnet 15, and dispersing column 11, during the drying process, the electromagnet 15 is de-energized and does not exert any attraction force on the fixing cap 12. At this time, under the elastic force of the tension spring 13, the fixing cap 12 allows the dispersing column 11 to stably extend into the inner side of the drying cylinder 2. Figure 1 , Figure 2 and Figure 3 The state shown, in which, Figure 3Only the dispersing column 11 at the top of the drying cylinder 2 is retained. When it is necessary to discharge the tea leaves, the electromagnet 15 is energized. The energized electromagnet 15 attracts the fixing cap 12. The attraction force is greater than the elastic force of the tension spring 13, so that the fixing cap 12 can contact the electromagnet 15. At this time, the end of the dispersing column 11 away from the fixing cap 12 is flush with the inner wall of the drying cylinder 2 and will not block the discharge of the tea leaves.

[0032] To prevent the fixing cap 12 from transferring heat to the electromagnet 15 and interfering with the magnetism of the electromagnet 15, a heat insulation layer is provided between the fixing cap 12 and the dispersion column 11.

[0033] The working principle of this utility model is as follows: the drying cylinder 2 is rotated to the state where the upper and lower feeding ports 9 face upwards by the drive component, the tea leaves are put into the drying cylinder 2 from the upper and lower feeding ports 9, and the upper and lower feeding ports 9 are sealed with the sealing cover 10.

[0034] Next, the drying cylinder 2 is driven to rotate along its own axis using a drive assembly. The rotation of the drying cylinder 2 causes a certain amount of tumbling of the tea leaves inside, ensuring even drying. During the drying process, the electromagnet 15 is de-energized and does not exert any attraction force on the fixing cap 12. At this time, the fixing cap 12, under the elastic force of the tension spring 13, allows the dispersing column 11 to stably extend into the inner side of the drying cylinder 2. Figure 1 , Figure 2 and Figure 3 As shown, the dispersing column 11 rotates with the drying cylinder 2, which can better disperse the tea leaves, effectively prevent the tea leaves from clumping together, and allow the tea leaves to be dried evenly.

[0035] After drying, the drying cylinder 2 is rotated to the position where the upper and lower feed ports 9 face downwards using the drive assembly, so that the electromagnet 15 is energized. The energized electromagnet 15 attracts the fixing cap 12, and its attraction is greater than the elastic force of the tension spring 13, so that the fixing cap 12 can contact the electromagnet 15. At this time, the end of the dispersing column 11 away from the fixing cap 12 is flush with the inner wall of the drying cylinder 2 and will not block the tea leaves from being discharged.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A drying apparatus for green tea processing, characterized in that, The drying cylinder (2) is horizontally arranged inside the frame (1) and the drying cylinder (2) is provided with a feed inlet (9) on the circumferential side, and a sealing cover (10) is detachably connected to the feed inlet (9). An electric heating rod (3) is axially arranged on the inner side of the drying cylinder (2). Both ends of the electric heating rod (3) are fixed with heat insulation columns (4). The heat insulation columns (4) penetrate the drying cylinder (2) and are fixed to the frame (1). A bushing (5) is rotatably sleeved on the outer side of the heat insulation column (4). The bushing (5) is fixed to the drying cylinder (2). A drive assembly is installed on one side of the frame (1). The drive assembly drives the drying cylinder (2) to rotate along its own axis. Multiple dispersion columns (11) are evenly distributed on the inner circumference of the drying cylinder (2).

2. The drying apparatus for green tea processing according to claim 1, characterized in that: The drying cylinder (2) has multiple through holes (101) equidistantly arranged on its circumferential side end, and multiple dispersing columns (11) slide through the through holes (101) one by one. A fixing cap (12) is installed at the end of the through hole (101) located outside the drying cylinder (2). A positioning component is provided between the fixing cap (12) and the frame (1) to allow the dispersing columns (11) to slide along the through hole (101).

3. The drying apparatus for green tea processing according to claim 2, characterized in that: The positioning component includes a tension spring (13) and an electromagnet (15). Multiple tension springs (13) are provided, and the multiple tension springs (13) are fixed one-to-one between the multiple fixing caps (12) and the drying cylinder (2). A mounting bracket (14) is fixed on the outer wall of the drying cylinder (2). The electromagnet (15) is fixed to the end face of the mounting bracket (14) near the drying cylinder (2). When the electromagnet (15) is energized, the fixing cap (12) attracts the electromagnet (15) so that the end of the dispersing column (11) away from the fixing cap (12) is flush with the inner wall of the drying cylinder (2).

4. The drying apparatus for green tea processing according to claim 3, characterized in that: A heat insulation layer is provided between the fixing cap (12) and the dispersing column (11).

5. The drying apparatus for green tea processing according to claim 1, characterized in that: The drive assembly includes a drive motor (6), a first transmission gear (7), and a second transmission gear (8); The drive motor (6) is mounted on the side of the frame (1). The first transmission gear (7) is coaxially fixed with the output shaft of the drive motor (6). The second transmission gear (8) is coaxially fixedly sleeved on the outside of the bushing (5) and meshes with the first transmission gear (7).

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