Air distribution mechanism for roller fixation machine

Abstract

The utility model relates to an air distribution mechanism for a roller fixation machine, which comprises an air distribution pipe, the air distribution pipe is positioned in a fixation roller and is arranged along the axial direction of the fixation roller, air outlets are arranged on the air distribution pipe at intervals along the length direction of the air distribution pipe, and the air outlet direction of the air outlets points to a falling path of tea falling from a position A in the fixation roller. The position A is the highest point where tea leaves reach along with rotation of the fixation roller when the fixation roller rotates for fixation. According to the scheme provided by the utility model, hot air is blown in through the air distribution pipe, and the hot air performs hot air heating on tea leaves in the falling process of the tea leaves, so that the color quality of the tea leaves is improved.

Description

Technical Field

[0001] The utility model relates to the field of tea machines, in particular to an air distribution mechanism for a drum tea-fixing machine. Background Art

[0002] In the process of tea production, a drum withering machine is often used to wither the tea leaves. In traditional withering machines, electric heating or furnace heating is generally used to heat the withering drum. Although this heating method can achieve the general withering treatment of tea leaves. However, the color quality of the tea produced is poor. Through research, it is found that while the drum is withering, hot air is introduced to assist with withering the tea leaves, which can significantly improve the color quality of the tea leaves. However, the existing hot air mechanism that arranges hot air into the drum simply blows hot air from the feed end of the tea leaves, which may result in the phenomenon that the tea leaves are not fully withered or the leaves of the tea leaves are over-withered. Therefore, it is necessary to solve this problem. Summary of the invention

[0003] In order to solve the above problems, the utility model provides an air distribution mechanism for a drum tea-withering machine, which can effectively distribute hot air into the drum to improve the effect of drum tea-withering.

[0004] The technical solution adopted by the utility model is specifically as follows.

[0005] A wind distribution mechanism for a drum tea-fixing machine, characterized in that it includes an air distribution duct, which is located in the tea-fixing drum and arranged along the axial direction of the tea-fixing drum, and air outlets are arranged on the air distribution duct at intervals along the length of the tube, and the air outlet direction of the air outlet points to the falling path of the tea leaves falling from point A in the tea-fixing drum, and point A is the highest point reached by the tea leaves as the tea-fixing drum rotates to fix the tea leaves.

[0006] The specific solution is that the air outlets are arranged in an array shape along the circumferential direction and the axial direction on the outer tube wall of the air distribution duct.

[0007] The air distribution pipe is provided with an anti-accumulation structure for preventing the fallen tea leaves from accumulating on the air distribution pipe.

[0008] The anti-material accumulation structure is composed of an inverted V-shaped plate body arranged on the upper tube surface of the air distribution duct.

[0009] The anti-accumulation structure is composed of first blowing nozzles arranged in the middle of the upper tube surface of the air distribution tube. The first blowing nozzles are arranged on the air distribution tube at intervals along the length direction of the air distribution tube. The first blowing nozzles blow off the tea leaves that fall on the air distribution tube.

[0010] The air outlet direction of the blowing nozzle is horizontally pointed toward the discharge end of the killing drum.

[0011] The air distribution duct is also provided with an auxiliary pushing mechanism for assisting the tea leaves to move in the drum along the length direction of the drum.

[0012] The auxiliary pushing mechanism is composed of second blowing nozzles arranged on the lower half of the air distribution pipe. The second blowing nozzles are arranged at intervals on the air distribution pipe along the length direction of the air distribution pipe. The air outlet direction of the second blowing nozzles is obliquely downward to the tea distribution area in the withering drum and is inclined toward the discharge end of the withering drum.

[0013] A feeding auxiliary mechanism for assisting the feeding of tea leaves thrown in from the feeding end is arranged on the tube body of the air distribution duct corresponding to the feeding end of the withering drum.

[0014] The feeding auxiliary mechanism includes various arc-shaped air guide plates arranged on the body of the air distribution duct. The air guide plates are arranged at intervals along the body of the air distribution duct. One side of the air guide plate is fixedly assembled and connected to the air distribution duct. The other side of the air distribution duct extends toward the discharge end of the killing drum. Air outlets are arranged on the body of the air distribution duct between adjacent air guide plates.

[0015] The above-mentioned solution provided by the utility model blows hot air into the tea leaves through the air distribution pipe, and the hot air heats the tea leaves during their falling process, thereby improving the color quality of the tea leaves. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 for Figure 1 Schematic diagram of the structure after removing some components.

[0018] Figure 3 It is an assembly diagram of the utility model.

[0019] Figure 4 for Figure 3 Side view of.

[0020] 10-air distribution duct, 11-air outlet, 12-first blowing nozzle, 13-second blowing nozzle, 14-air guide plate, 15-connecting rod body, 16-first bracket, 20-killing roller, 21-connecting pipeline, 22-heater, 23-blower. DETAILED DESCRIPTION

[0021] In order to make the purpose and advantages of the utility model more clear, the utility model is specifically described in combination with the following embodiments. It should be understood that the following text is only used to describe one or several specific implementations of the utility model, and does not strictly limit the protection scope of the specific request of the utility model.

[0022] like Figure 1 , 2As shown, a wind distribution mechanism for a drum tea-fixing machine includes a wind distribution pipe 10, which is located in the tea-fixing drum 20 and arranged along the axial direction of the tea-fixing drum 20. The wind distribution pipe 10 is provided with air outlets 11 at intervals along the length direction of the pipe, and the air outlet direction of the air outlet 11 points to the falling path of the tea leaves falling from point A in the tea-fixing drum 20. Point A is the highest point reached by the tea leaves when the tea-fixing drum 20 rotates to fix the tea leaves. The air outlets 11 are arranged in an array shape along the circumferential direction and the axial direction on the outer tube wall of the wind distribution pipe 10. Hot air is blown in through the wind distribution pipe 10, and the hot air heats the tea leaves during the falling process, thereby improving the color quality of the tea leaves. At the same time, the hot air is arranged along the length direction of the entire tea-fixing drum 20, which can also solve the problem of the handle diameter not being completely fixed and the leaves being over-fixed in the traditional tea-fixing equipment.

[0023] Since the air distribution tube 10 is located inside the withering drum 20 during installation, some tea leaves may fall onto the air distribution tube 10. If the tea leaves falling onto the air distribution tube 10 are not handled in time, some unqualified tea leaves may be present in the finished tea leaves. Therefore, a further solution of the present invention is that an anti-accumulation structure is provided on the air distribution tube 10 to prevent the fallen tea leaves from accumulating on the air distribution tube 10. There are two specific implementation methods as follows. The first is that the anti-accumulation structure is composed of an inverted V-shaped plate body provided on the upper tube surface of the air distribution tube 10. This method directly guides the tea leaves that may be retained to slide down through the material guide surface. The second is that the anti-accumulation structure is composed of the first blowing nozzles 12 provided in the middle of the upper tube surface of the air distribution tube 10. The first blowing nozzles 12 are provided at intervals on the air distribution tube 10 along the length direction of the air distribution tube 10, and the first blowing nozzles 12 blow off the tea leaves that fall onto the air distribution tube 10. The wind blown out by the first blowing nozzle 12 blows off the tea leaves that fall on the tube wall, and the second method is preferably adopted for implementation. Each first blowing nozzle 12 is connected to the air distribution pipe 10. Specifically, an L-shaped air nozzle can be selected to form the first blowing nozzle 12, and the air outlet direction of the blowing nozzle is horizontally pointed to the discharge end of the withering drum 20.

[0024] Since the tea leaves in the drum are not of a strictly uniform size, some tea leaves are large in size, while tea leaves of all sizes are small in size. Due to the addition of a hot air arrangement mechanism, some tea leaves of smaller size cannot reliably move to the discharge end of the withering drum 20. Therefore, an auxiliary pushing mechanism is also provided on the air distribution pipe 10 to assist the tea leaves in moving along the length direction of the drum in the drum. Specifically, the auxiliary pushing mechanism is composed of the second blowing nozzles 13 arranged on the lower half of the tube surface of the air distribution pipe 10. The second blowing nozzles 13 are arranged at intervals on the air distribution pipe 10 along the length direction of the air distribution pipe 10. The air outlet direction of the second blowing nozzles 13 is obliquely downward to the tea distribution area in the withering drum 20 and is arranged obliquely to one side of the discharge end of the withering drum 20. The tea distribution area is the area where the tea leaves are located in the withering drum 20 when the tea leaves are withered or the area where the tea leaves fall. Each second blowing nozzle 13 is connected to the air distribution pipe 10 respectively. Each second blowing nozzle 13 can be specifically composed of a straight tube. The plane where the center line of each second blowing nozzle 13 is located is recorded as the second plane, and the vertical plane passing through the center line of the air distribution pipe 10 and arranged vertically is recorded as the first plane. The air outlets 11 are arranged in an array on the tube wall of the air distribution pipe 10 between the first plane and the second plane. The air outlets can be directly opened on the tube wall of the air distribution pipe 10, and the air outlet directions of each air outlet can be consistent with the radial direction of the killing drum 20.

[0025] Since the structure of the guide blades provided on the inner wall of the cylinder at the feed port of the fixing drum 20 is different from that of other parts, the tea leaves guided into the fixing drum 20 through the feed hopper may be partially retained and unable to be transported. Therefore, in the utility model, a feeding auxiliary mechanism is provided on the tube body of the air distribution tube 10 corresponding to the feed end of the fixing drum 20 to assist in feeding the tea leaves put in from the feed end. The feeding auxiliary mechanism includes arc-shaped air guide plates 14 provided on the tube body of the air distribution tube 10, the air guide plates 14 are arranged at intervals along the tube body of the air distribution tube 10, one side of the air guide plates 14 is fixedly assembled and connected to the air distribution tube 10, and the other side of the air distribution tube 10 is extended toward the discharge end of the fixing drum 20, and an air outlet 11 is provided on the tube body of the air distribution tube 10 between adjacent air guide plates 14. By guiding the air guide plate 14, the air outlet direction at the air outlet 11 at the feeding end is changed, and the tea leaves are pushed forward to avoid the tea leaves being retained at the feeding end of the withering drum 20, thereby ensuring reliable withering of the tea leaves.

[0026] Detailed as Figure 3 , 4As shown, the end of the air distribution pipe 10 at the discharge end is connected to the air outlet 11 of the heater 22 through the connecting pipe 21 and is installed on the frame through the first bracket 16. The end of the air distribution pipe 10 at the feed end is set to a blocking shape and the end is provided with a connecting rod 15. The end of the connecting rod 15 extending to the outside of the green-fixing drum 20 is installed on the frame through the second bracket, and the air inlet of the heater 22 and the outlet of the blower 23 are connected. Further, the air distribution pipe 10 can be installed movably, and the air distribution intensity can be adjusted by adjusting the position of the air distribution pipe 10 in the green-fixing drum 20. In detail, the air distribution pipe 10 is installed movably along the A direction, and the A direction is a horizontal direction perpendicular to the arrangement of the air distribution pipe 10. Thereby adapting to different air distribution needs and different tea processing. The air distribution pipe 10 is assembled on one side of the green-fixing drum 20 that is arranged opposite to the tea distribution area. An annular air distribution plate is also arranged in the air distribution pipe, and the annular air distribution plate and the air distribution pipe are arranged concentrically. Specifically, the annular air balancing plates can be arranged at intervals along the length of the air distribution duct, and the inner diameter of the annular air balancing plates gradually decreases along the gas flow direction. Through the air balancing effect of the air balancing plates, each air outlet 11 can evenly discharge air.

[0027] In conclusion, the above-mentioned solution provided by the utility model can effectively ensure the safety and reliability of the operation of the withering and stripping machine, and is convenient for maintenance.

[0028] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. An air distribution mechanism for a drum fixing machine, characterized in that: It includes an air distribution duct, which is located in the withering drum and arranged along the axial direction of the withering drum. Air outlets are arranged on the air distribution duct at intervals along the length of the tube. The air outlet direction of the air outlet points to the falling path of the tea leaves falling from point A in the withering drum. Point A is the highest point reached by the tea leaves as the withering drum rotates when the withering drum rotates to wither the tea leaves.

2. The air distribution mechanism for the drum fixing machine according to claim 1 is characterized in that: The air outlets are arranged in an array shape on the outer tube wall of the air distribution duct along the circumferential direction and the axial direction.

3. The air distribution mechanism for the drum fixing machine according to claim 1 is characterized in that: The air distribution pipe is provided with an anti-accumulation structure for preventing the fallen tea leaves from accumulating on the air distribution pipe.

4. The air distribution mechanism for the drum fixing machine according to claim 3 is characterized in that: The anti-material accumulation structure is composed of an inverted V-shaped plate body arranged on the upper tube surface of the air distribution duct.

5. The air distribution mechanism for the drum fixing machine according to claim 3 is characterized in that: The anti-accumulation structure is composed of first blowing nozzles arranged in the middle of the upper tube surface of the air distribution tube. The first blowing nozzles are arranged on the air distribution tube at intervals along the length direction of the air distribution tube. The first blowing nozzles blow off the tea leaves that fall on the air distribution tube.

6. The air distribution mechanism for the drum fixing machine according to claim 3 is characterized in that: The air outlet direction of the blowing nozzle is horizontally pointed toward the discharge end of the killing drum.

7. The air distribution mechanism for a drum tea-fixing machine according to claim 1, characterized in that: The air distribution duct is also provided with an auxiliary pushing mechanism for assisting the tea leaves to move in the drum along the length direction of the drum.

8. The air distribution mechanism for the drum fixing machine according to claim 7 is characterized in that: The auxiliary pushing mechanism is composed of second blowing nozzles arranged on the lower half of the air distribution pipe. The second blowing nozzles are arranged at intervals on the air distribution pipe along the length direction of the air distribution pipe. The air outlet direction of the second blowing nozzles is obliquely downward to the tea distribution area in the withering drum and is inclined toward the discharge end of the withering drum.

9. The air distribution mechanism for a drum tea-fixing machine according to claim 1, characterized in that: A feeding auxiliary mechanism for assisting the feeding of tea leaves thrown in from the feeding end is arranged on the tube body of the air distribution duct corresponding to the feeding end of the withering drum.

10. The air distribution mechanism for a drum tea-fixing machine according to claim 9, characterized in that: The feeding auxiliary mechanism includes various arc-shaped air guide plates arranged on the body of the air distribution duct. The air guide plates are arranged at intervals along the body of the air distribution duct. One side of the air guide plate is fixedly assembled and connected to the air distribution duct. The other side of the air distribution duct extends toward the discharge end of the killing drum. Air outlets are arranged on the body of the air distribution duct between adjacent air guide plates.

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