CN112414048A

CN112414048A - Black tea drying equipment

Info

Publication number: CN112414048A
Application number: CN202011293280.1A
Authority: CN
Inventors: 荣骅; 樊耀林; 徐天星; 陈思洋; 俞旦华
Original assignee: Xiushui Tea Science Research Institute; Jiangxi Ninghong Co ltd
Current assignee: Xiushui Tea Science Research Institute; Jiangxi Ninghong Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-02-26
Anticipated expiration: 2040-11-18
Also published as: CN112414048B

Abstract

The invention discloses black tea drying equipment, which relates to the field of black tea production and comprises a shell, wherein a feeding port is formed in the top of the shell, a drying cavity is formed in the shell, a material turning mechanism is arranged in the drying cavity and comprises an annular limiting frame and a movable shaft, two ends of the annular limiting frame are fixedly connected with the inner wall of the drying cavity, the movable shaft is rotatably connected with the inner wall of the drying cavity, and a movable groove is formed in the bottom surface of the annular limiting frame. The driving fan-shaped fluted disc is driven to rotate by the driving motor, the driving fan-shaped fluted disc is periodically meshed with the driven toothed ring, the driven toothed ring drives the driven rotating shaft to rotate, the driven rotating shaft drives the movable shaft to rotate, the spring drives the hollow rotating rod to swing left and right, and the hollow rotating rod rotates by utilizing the mutual meshing of the meshed tooth grooves and the meshed teeth in the swinging process, so that the hollow stirring paddle is driven to rotate, tea leaves are stirred, and the drying effect is improved.

Description

Black tea drying equipment

Technical Field

The invention relates to the field of black tea production, in particular to a black tea drying device.

Background

The black tea belongs to the whole fermentation tea, which is refined by using proper tea tree fresh teeth leaves as raw materials through a series of technological processes of withering, rolling (cutting), fermentation, drying and the like, the black tea generates a chemical reaction taking tea polyphenol enzymatic oxidation as a center in the processing process, the fresh leaf components change greatly, the tea polyphenol is reduced by more than 90%, new components such as theaflavin, thearubigins and the like and aromatic substances are generated, and the black tea has the characteristics of black tea, red soup, red leaves and sweet and mellow taste.

In prior art, a large amount of black tea leaves are piled up in drying equipment, are difficult to guarantee that black tea leaves obtain even stoving effect for part tealeaves is inside still to contain more moisture, and the stoving effect is not ideal enough.

Therefore, it is necessary to invent a black tea drying device to solve the above problems.

Disclosure of Invention

The invention aims to provide a black tea drying device to solve the problem of uneven drying in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a black tea drying device comprises a shell, wherein a feeding port is formed in the top of the shell, a drying cavity is formed in the shell, and a material turning mechanism is installed in the drying cavity;

the material overturning mechanism comprises an annular limiting frame and a movable shaft, wherein two ends of the annular limiting frame are fixedly connected with the inner wall of a drying cavity, the movable shaft is rotatably connected with the inner wall of the drying cavity, a movable groove is formed in the surface of the bottom of the annular limiting frame, meshing teeth are fixedly connected with the surface of the inner wall on one side of the movable groove, limiting blocks are fixedly connected with two sides of the surface of the movable shaft, a spring is fixedly connected between each limiting block and the inner wall of the annular limiting frame, an air inlet is formed in one end of the movable shaft, an air vent is formed in the bottom end of the movable shaft, the air inlet is communicated with the air vent, a hollow rotating seat is fixedly connected with the bottom end of the air vent, a connecting shaft is connected inside the hollow rotating seat through a bearing, a hollow rotating rod is fixedly connected with, the connecting axle is inside to be seted up the through-hole, the through-hole is linked together with the air vent, the hollow stirring rake of hollow bull stick bottom fixedly connected with, the shape of hollow stirring rake sets up to the cross, a plurality of gas vents have been seted up on hollow stirring rake surface, and is a plurality of the gas vent all is linked together with the through-hole, loose axle rear end fixedly connected with driven shaft, driven shaft fixed surface is connected with driven ring gear, driven ring gear top is equipped with the initiative pivot, initiative pivot fixed surface is connected with the fan-shaped fluted disc of initiative, the fan-shaped fluted disc of initiative meshes with driven ring gear mutually, initiative pivot end fixedly connected with driving motor, the initiative pivot rotates with the shell inner wall and is connected, air inlet end fixedly connected with rotary joint, rotary joint end fixedly connected with air heater.

Preferably, moisture outlets are formed in two sides of the top of the shell, and discharge pipes are fixedly mounted inside the moisture outlets, so that hot air with moisture inside can be discharged outwards.

Preferably, a dust cap is fixedly mounted at the top of the discharge pipe, so that dust can be prevented from entering the shell, a gap is reserved between the dust cap and the discharge pipe, and the dust cap is umbrella-shaped, so that moisture can be discharged.

Preferably, stoving intracavity wall fixed surface installs temperature sensor, the temperature sensor output is connected with the singlechip, singlechip output and air heater electric connection can carry out intelligent control to inside stoving temperature, improve intelligent degree and the convenience of use.

Preferably, hexagonal sampling mouth has been seted up to shell rear side surface, hexagonal sampling mouth tip fixedly connected with hexagon leading truck can conveniently carry out the sampling to inside black tea leaf and detect.

Preferably, the moving groove has been seted up to hexagon leading truck inside, the sample screw has been seted up on the one end surface that the shell was kept away from to hexagon leading truck, the inside threaded connection of sample screw has the sample screw rod, conveniently removes the sample fill.

Preferably, the opening has been seted up on hexagon leading truck top surface, sampling screw tip rotates and is connected with the sampling funnel, the sampling groove has been seted up at the sampling funnel top, can follow stoving intracavity portion and take a sample black tea.

Preferably, the bottom of the shell is fixedly connected with a discharge pipe, and the discharge pipe is provided with a switch valve, so that the discharge is convenient.

The invention has the technical effects and advantages that:

1. the driving rotating shaft is driven to rotate through the rotation of the output shaft of the driving motor, the driving rotating shaft drives the driving fan-shaped fluted disc on the surface of the driving rotating shaft to rotate, the driving fan-shaped fluted disc is periodically meshed with the driven toothed ring, the driven toothed ring drives the driven rotating shaft to rotate, the driven rotating shaft drives the movable shaft to rotate, the spring is utilized to drive the hollow rotating rod to swing left and right, and the hollow rotating rod rotates in the swinging process by utilizing the mutual meshing of the meshing tooth grooves and the meshing teeth, so that the hollow turning paddle is driven to rotate, the tea leaves are turned, and the drying effect is improved;

2. the temperature sensor is arranged, the temperature sensor can detect the temperature in the drying cavity and transmit the detected signal to the single chip microcomputer, and the single chip microcomputer is used for comparing the received signal with a preset threshold value, so that the air heater is controlled, the drying temperature in the drying cavity can be intelligently controlled, the intelligent degree is improved, and the temperature is conveniently controlled;

3. through setting up hexagon sampling mouth, rotate the sample screw rod, the sample screw rod rotates and promotes the sample fill through the sample screw and remove, pushes away the stoving intracavity portion with the sample fill from the hexagon leading truck, and during partial tealeaves entered into the sample groove at sample fill top, the sample screw rod is rotated in the reverse direction again, withdraws the hexagon leading truck with the sample fill, takes out the sample from the opening part and can carry out the sampling test, and the convenience is detected the black tea water content of inside.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

FIG. 3 is a schematic view of a connection structure between a movable shaft and an active shaft according to the present invention.

Fig. 4 is a schematic structural view of the hollow rotating rod of the present invention.

FIG. 5 is a system control diagram of the present invention.

Fig. 6 is a side view of the hexagonal guide frame structure of the present invention.

FIG. 7 is a schematic view of the discharge pipe structure of the present invention.

In the figure: 1. a housing; 2. a feeding port; 3. a material turning mechanism; 4. an annular limiting frame; 5. a movable shaft; 6. a movable groove; 7. meshing teeth; 8. a limiting block; 9. a spring; 10. an air inlet; 11. a vent hole; 12. a hollow rotating seat; 13. a connecting shaft; 14. a hollow rotating rod; 15. engaging the tooth grooves; 16. a through hole; 17. a hollow material turning paddle; 18. an exhaust port; 19. a driven rotating shaft; 20. a driven gear ring; 21. a driving rotating shaft; 22. a driving fan-shaped fluted disc; 23. a drive motor; 24. a rotary joint; 25. a moisture discharge port; 26. a discharge pipe; 27. a temperature sensor; 28. a hexagonal sampling port; 29. a hexagonal guide frame; 30. a moving groove; 31. sampling screw holes; 32. an opening; 33. a sampling hopper; 34. a sampling groove; 35. a discharge pipe; 36. and (4) switching on and off the valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides black tea drying equipment shown in figures 1-7, which comprises a shell 1, wherein the top of the shell 1 is provided with a feeding port 2, and a drying cavity is formed in the shell 1, so that black tea leaves can be conveniently fed into the shell 1;

secondly, a material turning mechanism 3 is arranged in the drying cavity, the material turning mechanism 3 comprises an annular limiting frame 4 and a movable shaft 5, two ends of the annular limiting frame 4 are fixedly connected with the inner wall of the drying cavity, and the movable shaft 5 is rotatably connected with the inner wall of the drying cavity and can limit the rotating angle of the movable shaft 5;

then, a movable groove 6 is formed on the surface of the bottom of the annular limiting frame 4, so that the hollow rotating rod 14 can extend out of the annular limiting frame 4, the engaging teeth 7 are fixedly connected to the surface of the inner wall of one side of the movable groove 6, the limiting blocks 8 are fixedly connected to both sides of the surface of the movable shaft 5, a spring 9 is fixedly connected between the limiting blocks 8 and the inner wall of the annular limiting frame 4, the movable shaft 5 can be limited and reset by matching with the annular limiting frame 4, so that the movable shaft 5 can rotate in a reciprocating manner, an air inlet 10 is formed at one end of the movable shaft 5, an air vent 11 is formed at the bottom end of the movable shaft 5, the air inlet 10 is communicated with the air vent 11, so that hot air generated by the air heater can enter the air vent 11 from the air inlet 10 and then enter the hollow rotating seat 12 from the air vent, the interior of the hollow rotating seat 12 is connected with a connecting shaft 13 through a bearing, so that the connecting shaft 13 is easier to rotate, the bottom end of the connecting shaft 13 is fixedly connected with a hollow rotating rod 14, hot air can enter the interior of the hollow rotating rod 14 through an air vent 11, a meshing tooth socket 15 is arranged on the side surface of the top of the hollow rotating rod 14, the meshing tooth socket 15 is meshed with a meshing tooth 7, so that the hollow rotating rod 14 can rotate when rotating, and therefore the hollow stirring paddle 17 can be driven to rotate to stir tea leaves, a through hole 16 is arranged inside the connecting shaft 13, the through hole 16 is communicated with the air vent 11, the bottom end of the hollow rotating rod 14 is fixedly connected with the hollow stirring paddle 17, the hollow stirring paddle 17 is in a cross shape, the cross-shaped hollow stirring paddle 17 can effectively improve the stirring effect of the tea leaves, and a plurality of air vents 18 are arranged on the surface of the hollow stirring, a plurality of the exhaust ports 18 are all communicated with the through holes 16, the rear end of the movable shaft 5 is fixedly connected with a driven rotating shaft 19, the surface of the driven rotating shaft 19 is fixedly connected with a driven gear ring 20, the top of the driven gear ring 20 is provided with a driving rotating shaft 21, the surface of the driving rotating shaft 21 is fixedly connected with a driving fan-shaped gear disc 22, the driving fan-shaped gear disc 22 is meshed with the driven gear ring 20, the driving fan-shaped gear disc 22 drives the driven gear ring 20 to rotate, so that the movable shaft 5 can be driven to rotate, the end of the driving rotating shaft 21 is fixedly connected with a driving motor 23, the driving rotating shaft 21 is rotatably connected with the inner wall of the shell 1, an output shaft of the driving motor 23 can rotate to drive the driving rotating shaft 21 to rotate, the driving rotating shaft 21 rotates to drive the driving fan-shaped gear disc 22, the driving fan-shaped gear disc, thereby driving the hollow stirring paddle 17 to swing, stirring the tea leaves and improving the drying effect;

furthermore, the end part of the air inlet 10 is fixedly connected with a rotary joint 24, the end part of the rotary joint 24 is fixedly connected with an air heater, the rotary joint 24 can enable the movable shaft 5 to be communicated with the air heater when rotating, the air heater can introduce generated hot air into the hollow rotating rod 14 from the air inlet 10, then the hollow rotating rod 14 introduces the hot air into the hollow stirring paddle 17, and the hot air is discharged from an air outlet 18 on the hollow stirring paddle 17 to dry the tea leaves;

then, moisture outlets 25 are formed in both sides of the top of the housing 1, discharge pipes 26 are fixedly mounted inside the moisture outlets 25, hot air with moisture inside can be discharged outwards, dust covers are fixedly mounted on the tops of the discharge pipes 26, dust can be prevented from entering the housing 1, gaps are reserved between the dust covers and the discharge pipes 26, and the dust covers are umbrella-shaped, so that moisture can be discharged;

finally, 1 bottom fixedly connected with discharge tube 35 of shell, install ooff valve 36 on the discharge tube 35, ooff valve 36 can open and shut the operation to discharge tube 35, and the convenience is discharged inside through the black tea leaf of drying from the stoving chamber, improves the convenience of unloading.

As shown in fig. 1 and 5, stoving intracavity wall fixed surface installs temperature sensor 27, temperature sensor 27's model sets up to DS18B20, and temperature sensor 27 can detect the temperature of stoving intracavity portion to give the singlechip with the signal transmission who detects, temperature sensor 27 output is connected with the singlechip, the singlechip model sets up to M68HC16, and the temperature threshold value can be predetermine to the singlechip, according to received temperature signal control air heater work, thereby can make inside temperature maintain at appointed value, conveniently carry out temperature control, singlechip output and air heater electric connection can carry out intelligent control to inside stoving temperature, improve intelligent degree and the convenience of use.

As shown in fig. 1 and 6, hexagonal sampling mouth 28 has been seted up to shell 1 rear side surface, can avoid sample fill 33 at the in-process rotation that removes, hexagonal sampling mouth 28 tip fixedly connected with hexagonal leading truck 29 can conveniently carry out the sampling test to inside black tea leaf, the inside shifting chute 30 that has seted up of hexagonal leading truck 29, hexagonal leading truck 29 keeps away from the one end surface of shell 1 and has seted up sampling screw 31, the inside threaded connection of sampling screw 31 has sampling screw, conveniently removes sample fill 33, opening 32 has been seted up on hexagonal leading truck 29 top surface, sampling screw tip rotates and is connected with sample fill 33, sample groove 34 has been seted up at sample fill 33 top, can follow stoving intracavity portion and take a sample to black tea leaf, conveniently detect the water content in the black tea leaf.

The working principle of the invention is as follows:

when the black tea leaf drying device is actually used, black tea leaves are thrown into the drying cavity from the material feeding port 2, then the driving motor 23 and the air heater are started, the output shaft of the driving motor 23 rotates to drive the driving rotating shaft 21 to rotate, the driving rotating shaft 21 rotates to drive the driving fan-shaped fluted disc 22 on the surface of the driving rotating shaft to rotate, the driving fan-shaped fluted disc 22 rotates to drive the driven toothed ring 20 to rotate, the driven toothed ring 20 rotates to drive the driven rotating shaft 19 to rotate, the driven rotating shaft 19 rotates to drive the movable shaft 5 to rotate, the movable shaft 5 rotates to drive the hollow rotating rod 14 to rotate, and the hollow rotating rod 14 rotates by utilizing the mutual meshing of the meshing tooth grooves 15 and the meshing teeth 7 in the rotating process, so that the hollow turning paddle 17 is driven to;

after the driving fan-shaped fluted disc 22 is separated from the driven toothed ring 20, the spring 9 is matched with the limiting block 8 to drive the movable shaft 5 to reset, so that the hollow stirring paddle 17 can swing reversely, tea leaves can be stirred in a left-right swinging mode, hot air is introduced by using an air heater, the hot air is discharged from an air outlet 18 on the hollow stirring paddle 17 and is fully contacted with the tea leaves, and the drying effect is improved;

after the stoving finishes, rotate the sampling screw, the sampling screw rotates and promotes sample bucket 33 through sample screw 31 and removes, push into stoving intracavity portion from hexagonal leading truck 29 with sample bucket 33, partial tealeaves enters into the sample groove 34 at sample bucket 33 top, the reverse rotation sampling screw again, withdraw hexagonal leading truck 29 with sample bucket 33 in, take out the sample from opening 32 and can carry out the sampling test, the convenience detects the black tea tealeaves water content of inside, continue to dry the operation when the water content is more.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A black tea drying equipment, includes shell (1), its characterized in that: the top of the shell (1) is provided with a feeding port (2), a drying cavity is formed in the shell (1), and a material turning mechanism (3) is installed in the drying cavity;

the material overturning mechanism (3) comprises an annular limiting frame (4) and a movable shaft (5), the two ends of the annular limiting frame (4) are fixedly connected with the inner wall of a drying cavity, the movable shaft (5) is rotatably connected with the inner wall of the drying cavity, a movable groove (6) is formed in the bottom surface of the annular limiting frame (4), meshing teeth (7) are fixedly connected with the surface of the inner wall of one side of the movable groove (6), limiting blocks (8) are fixedly connected with the two sides of the surface of the movable shaft (5), springs (9) are fixedly connected between the limiting blocks (8) and the inner wall of the annular limiting frame (4), an air inlet (10) is formed in one end of the movable shaft (5), an air vent hole (11) is formed in the bottom end of the movable shaft (5), the air inlet (10) is communicated with the air vent hole (11), and a hollow rotating seat (, the hollow rotating seat (12) is internally connected with a connecting shaft (13) through a bearing, the bottom end of the connecting shaft (13) is fixedly connected with a hollow rotating rod (14), the top side surface of the hollow rotating rod (14) is provided with a meshing tooth socket (15), the meshing tooth socket (15) is meshed with a meshing tooth (7), the connecting shaft (13) is internally provided with a through hole (16), the through hole (16) is communicated with an air vent (11), the bottom end of the hollow rotating rod (14) is fixedly connected with a hollow stirring paddle (17), the hollow stirring paddle (17) is in a cross shape, the surface of the hollow stirring paddle (17) is provided with a plurality of exhaust ports (18), the exhaust ports (18) are communicated with the through hole (16), the rear end part of the movable shaft (5) is fixedly connected with a driven rotating shaft (19), and the surface of the driven rotating shaft (19) is fixedly connected with a driven toothed ring (, driven ring gear (20) top is equipped with initiative pivot (21), initiative pivot (21) fixed surface is connected with the fan-shaped fluted disc of initiative (22), the fan-shaped fluted disc of initiative (22) meshes with driven ring gear (20) mutually, initiative pivot (21) tip fixedly connected with driving motor (23), initiative pivot (21) are connected with shell (1) inner wall rotation, air inlet (10) tip fixed connection has rotary joint (24), rotary joint (24) tip fixedly connected with air heater.

2. A black tea drying apparatus according to claim 1, wherein: moisture discharge ports (25) are formed in two sides of the top of the shell (1), and discharge pipes (26) are fixedly mounted inside the moisture discharge ports (25).

3. A black tea drying apparatus according to claim 2, wherein: the top of the discharge pipe (26) is fixedly provided with a dustproof cover, a gap is reserved between the dustproof cover and the discharge pipe (26), and the dustproof cover is umbrella-shaped.

4. A black tea drying apparatus according to claim 1, wherein: the drying cavity inner wall surface fixed mounting has temperature sensor (27), temperature sensor (27) output is connected with the singlechip, singlechip output and air heater electric connection.

5. A black tea drying apparatus according to claim 1, wherein: hexagonal sampling mouth (28) have been seted up to shell (1) rear side surface, hexagonal sampling mouth (28) tip fixedly connected with hexagon leading truck (29).

6. A black tea drying apparatus according to claim 5, wherein: the hexagonal guide frame (29) is internally provided with a moving groove (30), a sampling screw hole (31) is formed in the surface of one end, far away from the shell (1), of the hexagonal guide frame (29), and a sampling screw rod is connected to the inner thread of the sampling screw hole (31).

7. A black tea drying apparatus according to claim 6, wherein: an opening (32) is formed in the surface of the top of the hexagonal guide frame (29), a sampling hopper (33) is rotatably connected to the end of the sampling screw, and a sampling groove (34) is formed in the top of the sampling hopper (33).

8. A black tea drying apparatus according to claim 1, wherein: the improved shell is characterized in that a discharge pipe (35) is fixedly connected to the bottom of the shell (1), and a switch valve (36) is installed on the discharge pipe (35).