CN114176141A

CN114176141A - Tea baking box

Info

Publication number: CN114176141A
Application number: CN202111360991.0A
Authority: CN
Inventors: 闫玉英; 张慧
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-03-15

Abstract

The invention relates to the field of tea baking, in particular to a tea baking box which comprises an electric motor, a supporting mechanism, a storage mechanism, a connecting mechanism, a fixing mechanism, a ventilation mechanism and a driving mechanism, wherein tea is poured into the storage mechanism, the position of the fixing mechanism in the storage mechanism is adjusted, the fixing mechanism slightly compresses the tea in the storage mechanism, and the tea is shaken and crushed in four places in the storage mechanism; the charcoal that will light is placed inside supporting mechanism's bottom, it is connected with actuating mechanism to use coupling mechanism to store the mechanism, open electric motor, make actuating mechanism drive and store the mechanism and constantly slowly rotate, the heat that makes the charcoal distribute constantly gets into the inside of storing the mechanism, it constantly rotates to store the mechanism and drive tealeaves to store the mechanism simultaneously, it is even to make tealeaves be heated, prevent that the tealeaves outside from being heated unevenly and scorching, heat in the charcoal directly gets into the tealeaves of storing the mechanism department placed in the middle through ventilation mechanism, make tealeaves be heated unanimously inside and outside.

Description

Tea baking box

Technical Field

The invention relates to the field of tea baking, in particular to a tea baking box.

Background

Baking, often the last process in tea making, aims to evaporate the redundant water in the tea leaves, promote the contents of the tea leaves to play the roles of heating and forming fragrance, increase the burst and fix the quality so as to facilitate storage.

When the tea leaves are baked by using the charcoal, the operation process comprises firing, burning, ash covering, temperature control and the like, workers need to continuously check firepower and the tea leaf baking degree, time and labor are consumed, high-level fine baking talents are required for baking, and people with poor technology can easily bake the tea leaves to be scorched.

Disclosure of Invention

The invention provides a tea baking box aiming at the problems in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a tea baking box comprises an electric motor, a supporting mechanism, a storage mechanism, a connecting mechanism, a fixing mechanism, a ventilation mechanism and a driving mechanism; the electric motors are symmetrically arranged on the side wall of the supporting mechanism for adjusting the drying fire power, and the inside of the supporting mechanism is rotatably connected with the storage mechanism for storing tea leaves; the side wall of the supporting mechanism is provided with the driving mechanism for driving the storage mechanism to rotate, and the driving mechanism is connected with the electric motor; store the both ends installation of mechanism be used for with store the mechanism with actuating mechanism is fixed coupling mechanism, just the internally mounted of storing the mechanism is used for adjusting tealeaves is in store the inside compactness of mechanism fixed establishment, just the lateral wall installation of storing the mechanism is used for making store the inside and outside tealeaves of mechanism and be heated evenly ventilation mechanism.

Preferably, the supporting mechanism includes bracing piece, base, fixed network and backup pad, the lateral wall symmetry of backup pad is installed electric motor, the backup pad with equidistance fixed connection between the base the bracing piece, the bottom installation lateral wall of backup pad is "V" shape the fixed network.

Preferably, the storage mechanism comprises a bottom plate, a baking cage, a filter screen, a fixing ring, a cover plate and a limiting rod, the baking cage made of bamboo is connected between the supporting plates in an equidistance rotating mode, and the filter screen with arc-shaped side walls is installed on the side walls of the baking cage in an equidistance mode; the bottom plate is installed at one end of the baking cage, the fixing ring is fixedly bonded at the other end of the baking cage, and the bottom plate and the fixing ring are fixedly connected to two ends of the filter screen respectively; the inside sliding connection of solid fixed ring the apron, gu fixed ring's lateral wall with threaded connection between the gag lever post, just gag lever post sliding connection the inside of apron.

Preferably, the fixing mechanism comprises a screw rod, a gauze layer and a fixing frame, and one fixing frame is fixedly connected inside one end of the baking cage; the other end of the baking cage is connected with the other fixing frame in a sliding mode, the side wall of the fixing frame is connected with the screw in a rotating mode, and the screw is in threaded connection with the inner portion of the cover plate; the lateral wall of mount installation the gauze layer, just the gauze layer is contradicted bake the cage with the inside wall of filter screen.

Preferably, the ventilation mechanism comprises a support rod and a filter cylinder, the support rod in a hollow truncated cone shape is symmetrically arranged on the side wall of the filter screen, one end of the support rod is fixedly connected with the filter cylinder, one end of the filter cylinder is in a spherical shape, and the support rod and the filter cylinder are positioned inside the baking cage; the sum of the heights of the support rod and the filter cartridge is less than half of the inner diameter of the baking cage.

Preferably, the connecting mechanism comprises a hexagonal prism, a fixed sleeve, a limiting ring, a spring, a fixed rod and a limiting block, the fixed rod is fixedly connected to the middle of the side walls of the bottom plate and the cover plate, the hexagonal prism and the limiting block are slidably connected to the inside of the fixed rod, one end of the hexagonal prism is fixedly connected to the limiting block, and the limiting block abuts against one end of the fixed rod; the spring is arranged in the fixing rod, and one end of the spring is fixedly connected with the hexagonal prism; the limiting ring is installed on the side wall of the hexagonal prism, and the inner portion of the fixing sleeve is clamped and rotationally connected with the limiting ring.

Preferably, the driving mechanism comprises a conveyor belt, a convex block, a gear and a fixed shaft, the inside of the supporting plate is rotatably connected with the conveyor belt, and the conveyor belt is connected with the electric motor; the lateral wall equidistance installation of conveyer belt the lug, the inside of backup pad is rotated and is connected the fixed axle, the lateral wall fixed connection of fixed axle the gear, gear engagement the lug, inside block and the sliding connection of fixed axle the hexagonal prism.

The invention has the beneficial effects that:

(1) according to the tea baking box, tea leaves are poured into the storage mechanism, the fixing mechanism is rotated, the position of the fixing mechanism in the storage mechanism is adjusted, the fixing mechanism slightly compresses the tea leaves in the storage mechanism, and the tea leaves are prevented from shaking and breaking in the storage mechanism.

(2) According to the tea baking box, ignited charcoal is placed inside the bottom end of the supporting mechanism, the connecting mechanism is used for connecting the storage mechanism with the driving mechanism, the electric motor is started, the driving mechanism drives the storage mechanism to rotate continuously and slowly, heat emitted by the charcoal continuously enters the storage mechanism, meanwhile, the storage mechanism drives the tea to rotate continuously, the tea is heated uniformly, the situation that the tea is scorched due to uneven heating outside is avoided, and operation of workers is facilitated.

(3) According to the tea baking box, when the storage mechanism drives tea to continuously rotate above charcoal, the storage mechanism drives the ventilation mechanism to continuously rotate, when the ventilation mechanism rotates to be close to the charcoal, heat in the charcoal directly enters the tea at the middle of the storage mechanism through the ventilation mechanism, so that the interior and the exterior of the tea are heated uniformly, the heat in the external tea is continuously dissipated to the outside and the inner center of the storage mechanism through the ventilation mechanism, the situation that the tea at the outer side of the storage mechanism is burnt due to overhigh temperature is avoided, workers do not need to frequently turn the tea, the burden of the workers is relieved, the situation that the tea is broken due to mutual extrusion when the tea is turned is avoided, and the product quality is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural view of a preferred embodiment of a tea baking oven according to the present invention;

FIG. 2 is a schematic view of the internal structure of the storage mechanism shown in FIG. 1;

FIG. 3 is an enlarged view of the structure at A shown in FIG. 2;

FIG. 4 is a top view of the internal structure of the baking cage shown in FIG. 2;

FIG. 5 is a top view of the support plate structure shown in FIG. 1;

fig. 6 is a schematic view of the driving mechanism shown in fig. 5.

In the figure: 1. electric motor, 2, supporting mechanism, 21, supporting rod, 22, base, 23, fixing net, 24, supporting plate, 3, storage mechanism, 31, bottom plate, 32, baking cage, 33, filter screen, 34, fixing ring, 35, cover plate, 36, limiting rod, 4, connecting mechanism, 41, hexagonal prism, 42, fixing sleeve, 43, limiting ring, 44, spring, 45, fixing rod, 46, limiting block, 5, fixing mechanism, 51, screw rod, 52, gauze layer, 53, fixing frame, 6, ventilation mechanism, 61, supporting rod, 62, filter cartridge, 7, driving mechanism, 71, conveyor belt, 72, lug, 73, gear, 74 and fixing shaft.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-6, the tea baking oven according to the present invention comprises an electric motor 1, a supporting mechanism 2, a storage mechanism 3, a connecting mechanism 4, a fixing mechanism 5, a ventilation mechanism 6 and a driving mechanism 7; the electric motors 1 are symmetrically arranged on the side wall of the supporting mechanism 2 for adjusting the drying firepower, and the storage mechanism 3 for storing tea leaves is rotatably connected inside the supporting mechanism 2; the side wall of the supporting mechanism 2 is provided with the driving mechanism 7 for driving the storage mechanism 3 to rotate, and the driving mechanism 7 is connected with the electric motor 1; store the both ends installation of mechanism 3 be used for with store mechanism 3 with actuating mechanism 7 is fixed coupling mechanism 4, just the internally mounted of storing mechanism 3 is used for adjusting tealeaves and is in store the inside degree of compaction of mechanism 3 fixed establishment 5, just the lateral wall installation of storing mechanism 3 is used for making store the mechanism 3 inside and outside tealeaves be heated evenly ventilation mechanism 6.

Specifically, the support mechanism 2 includes a support rod 21, a base 22, a fixing net 23 and a support plate 24, the electric motor 1 is symmetrically installed on the side wall of the support plate 24, the support rod 21 is fixedly connected between the support plate 24 and the base 22 at equal intervals, the fixing net 23 with a V-shaped side wall is installed at the bottom end of the support plate 24, so that the ignited charcoal is conveniently placed between the bases 22, the support rod 21 jacks up the support plate 24, a worker observes the fire power of the charcoal through the space between the support plate 24 and the base 22, and the worker conveniently adjusts the fire power of the charcoal through the gap between the support plate 24 and the base 22; the fixing net 23 with the side wall of V-shaped prevents the tea dust from falling into the charcoal to burn and generate smoke, and facilitates the heat in the charcoal to move upwards to enter the tea through the fixing net 23.

Specifically, the storage mechanism 3 comprises a bottom plate 31, a baking cage 32, a filter screen 33, a fixing ring 34, a cover plate 35 and a limiting rod 36, the baking cage 32 made of bamboo is connected with the support plates 24 in a rotating mode at equal intervals, and the filter screen 33 with arc-shaped side walls is installed on the side walls of the baking cage 32 at equal intervals; the bottom plate 31 is installed at one end of the baking cage 32, the fixing ring 34 is fixedly bonded at the other end of the baking cage 32, and the bottom plate 31 and the fixing ring 34 are respectively fixedly connected at two ends of the filter screen 33; the fixing ring 34 is slidably connected with the cover plate 35, the side wall of the fixing ring 34 is in threaded connection with the limiting rod 36, the limiting rod 36 is slidably connected with the cover plate 35, so that in order to seal one end of the baking cage 32 by the bottom plate 31 and place tea leaves into the baking cage 32, the cover plate 35 is used for clamping the fixing ring 34 to seal the other end of the baking cage 32, the limiting rod 36 is rotated to enable the limiting rod 36 to penetrate through the fixing ring 34 to enter the cover plate 35, the cover plate 35 is fixed in the fixing ring 34, and the tea leaves are prevented from leaking out of the baking cage 32; and baking cage 32 with when filter screen 33 rotates, make things convenient for the heat in the charcoal to pass filter screen 33 gets into bake among the cage 32 for tealeaves cures efficiency, makes things convenient for the tealeaves end to pass simultaneously filter screen 33 reduces impurity in the tealeaves, improves the quality of tealeaves.

The fixing mechanism 5 comprises a screw 51, a gauze layer 52 and a fixing frame 53, and one fixing frame 53 is fixedly connected inside one end of the baking cage 32; the other end of the baking cage 32 is connected with another fixing frame 53 in a sliding manner, the side wall of the fixing frame 53 is rotationally connected with the screw 51, and the screw 51 is in threaded connection with the inside of the cover plate 35; the gauze layer 52 is arranged on the side wall of the fixing frame 53, the gauze layer 52 is abutted against the baking cage 32 and the inner side wall of the filter screen 33, in order to rotate the screw 51 after the cover plate 35 seals the baking cage 32, the screw 51 rotates in the fixing frame 53, meanwhile, the screw 51 pushes the fixing frame 53 to move, the distance between the two gauze layers 52 is reduced, the two gauze layers 52 slightly press the tea leaves in the baking cage 32, and the tea leaves are prevented from shaking around and being broken in the baking cage 32; simultaneously gauze layer 52 is fixed tealeaves is in roast cage 32's center department avoids leading to because the firepower is uneven roast cage 32 both ends edge tealeaves not enough heated's the condition, makes things convenient for the heat to get into simultaneously inside the both ends of roasting cage 32, make the heat pass gauze layer 52 gets into in the tealeaves.

The ventilation mechanism 6 comprises a support rod 61 and a filter cartridge 62, the support rod 61 in a hollow truncated cone shape is symmetrically installed on the side wall of the filter screen 33, one end of the support rod 61 is fixedly connected with the filter cartridge 62, one end of the filter cartridge 62 is in a spherical shape, and the support rod 61 and the filter cartridge 62 are located inside the baking cage 32; the sum of the heights of the supporting rod 61 and the filter cylinder 62 is less than half of the inner diameter of the baking cage 32, so that the baking cage 32 drives the filter screen 33 and the supporting rod 61 to rotate in order to facilitate the continuous rotation of the baking cage 32, when the supporting rod 61 rotates to be gradually close to the charcoal, the heat in the charcoal passes through the funnel-shaped supporting rod 61 and enters the center of the baking cage 32 through the filter cylinder 62, and one end of the filter cylinder 62 is spherical, so that the contact area between the filter cylinder 62 and the tea leaves is increased, the heat can conveniently enter the center of the baking cage 32, and the inside and the outside of the tea leaves in the baking cage 32 are uniformly heated; and when the support rod 61 rotates to be away from the charcoal slowly, part of the heat in the tea leaves close to the filter net 33 is diffused into the air through the support rod 61 and the filter cylinder 62 and enters the inner center of the baking cage 32, so that the heat in the tea leaves contacted with the filter net 33 is prevented from being hard to be diffused and causing scorching.

The connecting mechanism 4 comprises a hexagonal prism 41, a fixing sleeve 42, a limiting ring 43, a spring 44, a fixing rod 45 and a limiting block 46, the fixing rod 45 is fixedly connected to the central part of the side walls of the bottom plate 31 and the cover plate 35, the hexagonal prism 41 and the limiting block 46 are slidably connected to the inside of the fixing rod 45, one end of the hexagonal prism 41 is fixedly connected to the limiting block 46, and the limiting block 46 abuts against one end of the fixing rod 45; the spring 44 is installed inside the fixing rod 45, and one end of the spring 44 is fixedly connected with the hexagonal prism 41; the limiting ring 43 is mounted on the side wall of the hexagonal prism 41, the inner part of the fixing sleeve 42 is clamped and rotationally connected with the limiting ring 43, the driving mechanism 7 comprises a conveyor belt 71, a convex block 72, a gear 73 and a fixed shaft 74, the inner part of the supporting plate 24 is rotationally connected with the conveyor belt 71, and the conveyor belt 71 is connected with the electric motor 1; the lugs 72 are equidistantly mounted on the side wall of the conveyor belt 71, the fixing shaft 74 is rotatably connected to the inside of the support plate 24, the gear 73 is fixedly connected to the side wall of the fixing shaft 74, the gear 73 is meshed with the lugs 72, the hexagonal prism 41 is clamped and slidably connected to the inside of the fixing shaft 74, the fixing sleeve 42 is slid in order to hold the fixing sleeve 42, the fixing sleeve 42 drives the hexagonal prism 41 to enter the inside of the fixing rod 45 to compress the spring 44, the distance between the two hexagonal prisms 41 is reduced, the baking cage 32 is conveniently placed between the two fixing shafts 74, the fixing sleeve 42 is loosened, the spring 44 extends to push the hexagonal prism 41 to slide out from the inside of the fixing sleeve 42, the inside of the fixing sleeve 42 is in a hollow hexagonal prism shape, the hexagonal prism 41 slides into the inside of the fixing shaft 74, so that the baking cage 32 is fixed between the two support plates 24, meanwhile, the limiting rod 46 blocks the hexagonal prism 41 from bending and separating from the fixing rod 45; when the electric motor 1 is turned on, the electric motor 1 drives the conveyor belt 71 to rotate, the conveyor belt 71 drives the projection 72 to move, so as to push the gear 73 and the fixing shaft 74 to rotate, so that the fixing shaft 74 drives the hexagonal prism 41, the fixing rod 45 and the baking cage 32 to rotate, and the baking cage 32 is uniformly heated.

When the tea baking device is used, a proper amount of tea leaves are placed in the baking cage 32, the cover plate 35 is used for clamping the fixing ring 34, the other end of the baking cage 32 is closed, the limiting rod 36 is rotated, the limiting rod 36 penetrates through the fixing ring 34 to enter the cover plate 35, and therefore the cover plate 35 is fixed in the fixing ring 34 and the tea leaves are prevented from leaking out of the baking cage 32. The screw rod 51 is rotated, the screw rod 51 rotates in the fixing frame 53, meanwhile, the screw rod 51 pushes the fixing frame 53 to move, the distance between the two gauze layers 52 is reduced, the two gauze layers 52 slightly extrude tea leaves in the baking cage 32, and the tea leaves are prevented from shaking around in the baking cage 32 and being broken. The ignited charcoal is placed between the seats 22, and a worker observes and adjusts the fire power of the charcoal through the space between the support plate 24 and the seats 22. Holding the fixing sleeve 42, sliding the fixing sleeve 42, the fixing sleeve 62 driving the hexagonal prism 41 to enter the fixing rod 45 to compress the spring 44, reducing the distance between the two hexagonal prisms 41, facilitating the baking cage 32 to be placed between the two fixing shafts 74, loosening the fixing sleeve 42, extending the spring 44 to push the hexagonal prism 41 to slide out from the fixing sleeve 42, wherein the fixing sleeve 42 has a hollow hexagonal prism shape, the hexagonal prism 41 slides into the fixing shaft 74, so that the baking cage 32 is fixed between the two supporting plates 24, and the limiting rod 46 blocks the hexagonal prism 41 from bending and separating from the fixing rod 45; will electric motor 1 external power source opens electric motor 1, electric motor 1 drives conveyer belt 71 rotates, conveyer belt 71 drives lug 72 moves, thereby promotes gear 73 with fixed axle 74 rotates, makes fixed axle 74 drive hexagonal prism 41 the dead lever 45 with roast cage 32 rotates, makes roast cage 32 and tealeaves are heated evenly, just roast the continuous pivoted in-process of cage 32, roast cage 32 drives filter screen 33 with bracing piece 61 rotates, when bracing piece 61 rotates and is close to the charcoal slowly, the heat in the charcoal passes infundibulate bracing piece 61 through strain a section of thick bamboo 62 and get into the center department of roast cage 32, just the one end of straining a section of thick bamboo 62 is spherical, increases the area of contact of straining a section of thick bamboo 62 and tealeaves, makes things convenient for between the heat to get into the inside department placed in the middle of roast cage 32, so that the tea leaves inside and outside the baking cage 32 are heated uniformly; and when the support rod 61 rotates to be away from the charcoal slowly, partial heat in the tea leaves close to the filter screen 33 is diffused into the air through the support rod 61 and the filter screen 62 and enters the middle part of the inner part of the baking cage 32, so that the heat in the tea leaves contacted with the filter screen 33 is prevented from being hard to be diffused to cause scorching. After the tea leaves are baked, the fixing sleeve 42 is held, the fixing sleeve 42 is rotationally connected with the limiting ring 43, the hexagonal prism 41 drives the limiting rod 43 to rotate in the fixing sleeve 42, the fixing sleeve 42 does not rotate synchronously with the hexagonal prism 41, people can hold the fixing sleeve 42 to drive the hexagonal prism 41 to be separated from the fixing shaft 74, and people can take out the baking cage 32 conveniently.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a tealeaves roasting box which characterized in that: comprises an electric motor (1), a supporting mechanism (2), a storage mechanism (3), a connecting mechanism (4), a fixing mechanism (5), a ventilation mechanism (6) and a driving mechanism (7); the electric motor (1) is symmetrically arranged on the side wall of the supporting mechanism (2) used for adjusting the drying fire power, and the storage mechanism (3) used for storing tea leaves is rotatably connected inside the supporting mechanism (2); the side wall of the supporting mechanism (2) is provided with a driving mechanism (7) for driving the storage mechanism (3) to rotate, and the driving mechanism (7) is connected with the electric motor (1); the both ends installation of storing mechanism (3) is used for with store mechanism (3) with actuating mechanism (7) are fixed coupling mechanism (4), just the internally mounted of storing mechanism (3) is used for adjusting tealeaves and is in store the inside degree of compaction of mechanism (3) fixed establishment (5), just the lateral wall installation of storing mechanism (3) is used for making store the mechanism (3) inside and outside tealeaves be heated evenly ventilation mechanism (6).

2. A tea baking oven as claimed in claim 1, wherein: supporting mechanism (2) are including bracing piece (21), base (22), fixed network (23) and backup pad (24), the lateral wall symmetry installation of backup pad (24) electric motor (1), backup pad (24) with equidistance fixed connection between base (22) bracing piece (21), the bottom installation lateral wall of backup pad (24) is "V" shape fixed network (23).

3. A tea baking oven as claimed in claim 2, wherein: the storage mechanism (3) comprises a bottom plate (31), a baking cage (32), a filter screen (33), a fixing ring (34), a cover plate (35) and a limiting rod (36), wherein the baking cage (32) made of bamboo is connected with the supporting plates (24) in a rotating mode at equal intervals, and the filter screen (33) with arc-shaped side walls is installed at equal intervals on the side walls of the baking cage (32); the bottom plate (31) is installed at one end of the baking cage (32), the fixing ring (34) is fixedly bonded at the other end of the baking cage (32), and the bottom plate (31) and the fixing ring (34) are fixedly connected to two ends of the filter screen (33) respectively; the inside sliding connection of solid fixed ring (34) apron (35), gu the lateral wall of solid fixed ring (34) with threaded connection between gag lever post (36), just gag lever post (36) sliding connection the inside of apron (35).

4. A tea baking oven as claimed in claim 3, wherein: the fixing mechanism (5) comprises a screw rod (51), a gauze layer (52) and a fixing frame (53), and one fixing frame (53) is fixedly connected inside one end of the baking cage (32); the other end of the baking cage (32) is connected with another fixing frame (53) in a sliding mode, the side wall of the fixing frame (53) is connected with the screw rod (51) in a rotating mode, and the screw rod (51) is in threaded connection with the inner portion of the cover plate (35); the gauze layer (52) is installed on the side wall of the fixing frame (53), and the gauze layer (52) is abutted against the inner side wall of the baking cage (32) and the filter screen (33).

5. A tea baking oven as claimed in claim 3, wherein: the ventilation mechanism (6) comprises a support rod (61) and a filter cylinder (62), the support rod (61) in a hollow circular truncated cone shape is symmetrically installed on the side wall of the filter screen (33), one end of the support rod (61) is fixedly connected with the filter cylinder (62), one end of the filter cylinder (62) is in a spherical shape, and the support rod (61) and the filter cylinder (62) are located inside the baking cage (32); the sum of the heights of the support rod (61) and the filter cartridge (62) is less than half of the inner diameter of the baking cage (32).

6. A tea baking oven as claimed in claim 3, wherein: the connecting mechanism (4) comprises a hexagonal prism (41), a fixing sleeve (42), a limiting ring (43), a spring (44), a fixing rod (45) and a limiting block (46), the fixing rod (45) is fixedly connected to the middle of the side walls of the bottom plate (31) and the cover plate (35), the hexagonal prism (41) and the limiting block (46) are connected to the inside of the fixing rod (45) in a sliding mode, one end of the hexagonal prism (41) is fixedly connected with the limiting block (46), and the limiting block (46) abuts against one end of the fixing rod (45); the spring (44) is installed inside the fixing rod (45), and one end of the spring (44) is fixedly connected with the hexagonal prism (41); the limiting ring (43) is installed on the side wall of the hexagonal prism (41), and the inner portion of the fixing sleeve (42) is clamped and rotationally connected with the limiting ring (43).

7. A tea baking oven according to claim 6, wherein: the driving mechanism (7) comprises a conveyor belt (71), a convex block (72), a gear (73) and a fixed shaft (74), the interior of the supporting plate (24) is rotatably connected with the conveyor belt (71), and the conveyor belt (71) is connected with the electric motor (1); the lateral wall equidistance installation of conveyer belt (71) lug (72), the inside of backup pad (24) is rotated and is connected fixed axle (74), the lateral wall fixed connection of fixed axle (74) gear (73), gear (73) meshing lug (72), the inside block and the sliding connection of fixed axle (74) hexagonal prism (41).