Intelligent automatic production line for scenting jasmine tea

Abstract

The invention relates to the technical field of tea processing, and discloses an intelligent automatic jasmine tea scenting production line which comprises a plurality of flower growing and scenting all-in-one machines arranged side by side, one side of each flower growing and scenting all-in-one machine is connected with a flower screening machine, and the flower growing and scenting all-in-one machine and the flower screening machine are arranged in an independent temperature and humidity controllable workshop; the tea refining machine and the uniform stacking machine are connected through a conveying device, a camellia and flower mixing machine is arranged on one side of the uniform stacking machine, the uniform stacking machine and the flower growing and scenting all-in-one machine are both connected to the camellia and flower mixing machine, and the discharging end of the camellia and flower mixing machine is connected to the feeding end of the flower growing and scenting all-in-one machine; the tea leaf discharging end of the flower screening machine is connected with a drying machine; the drying machine is connected with a cooling machine. The flower growing and scenting all-in-one machine is used for completing flower feeding, flower turning, flower growing, scenting and the like, multiple purposes are achieved through one machine, the occupied space of equipment is reduced, and automatic processing is achieved through an intelligent control system; and the tea refining machine and the uniform stacking machine are utilized to improve the cleanliness and uniformity of the tea base, shorten the later process and reduce the loss of flower fragrance.

Description

Technical Field

[0001] The present application relates to the technical field of tea processing, and in particular to an intelligent automated production line for making jasmine tea. Background Art

[0002] Jasmine tea is made by blending tea leaves and jasmine flowers, scenting them and allowing the tea leaves to absorb the fragrance of the flowers.

[0003] The scenting process of scented tea is mainly the process of fresh flowers exuding fragrance and tea leaves absorbing fragrance. The fragrance exudation of fresh jasmine flowers is a biochemical change. Under the action of enzymes, temperature, water, oxygen, etc., mature jasmine flowers decompose fragrant substances, and continue to exhale fragrance as the flowers open. The tea leaves absorb fragrance under the action of physical adsorption. While absorbing fragrance, they also absorb a large amount of water. Due to the penetration of water, chemical adsorption occurs. Under the action of moisture and heat, complex chemical changes occur. The tea soup gradually changes from green to bright yellow, and the taste changes from light and astringent to rich, forming the unique fragrance, color and taste of scented tea.

[0004] At present, the traditional jasmine tea processing procedures are as follows: tea leaves and fresh flowers are processed, scented flowers are mixed, static scented flowers or piled scented flowers, heat dissipation through flowers, continued scenting through piles, flowers, re-fired drying, cooling after baking, scenting or weaving, and uniform stacking and boxing. The traditional scenting process is affected by factors such as weather, and the temperature and humidity of the scenting process cannot be controlled. In midsummer, the pile temperature often exceeds 40℃, which limits the fragrance exhalation / absorption of fresh flowers / tea leaves and fails to reach the maximum fragrance exhalation / absorption. In addition, factors such as non-enclosed scenting, multiple drying, and unreasonable use of residual flowers lead to low utilization of flower fragrance (<20%) and increased flower matching. Tea flower mixing and heat dissipation through flowers are all done manually on the ground, which is labor-intensive, high labor cost, poor hygiene, low degree of cleanliness, and high energy consumption. Summary of the invention

[0005] In order to improve the problems of traditional jasmine tea mostly using manual ground operations, poor production hygiene, low processing efficiency, high loss of jasmine fragrance, low utilization rate, unstable tea quality, etc., the present application provides an intelligent automated production line for jasmine tea scenting.

[0006] The intelligent automated production line for making jasmine tea provided in this application adopts the following technical solutions: The intelligent automatic production line for making jasmine tea comprises a plurality of parallel integrated flower-growing and flower-scenting machines, one side of each of which is provided with a flower-screening machine, the discharge end of the integrated flower-growing and flower-scenting machine is connected with the flower-screening machine, the discharge end of the flower-screening machine is provided with a first material-returning device, the first material-returning device is connected to the feed end of the integrated flower-growing and flower-scenting machine, the integrated flower-growing and flower-scenting machine and the flower-screening machine are arranged in an independent controllable temperature and humidity control workshop; the intelligent automatic production line ... the A camellia mixer is arranged on the side, the discharge ends of the pile leveler and the flower growing and scenting machine are both connected to the camellia mixer, and the discharge end of the camellia mixer is connected to the feed end of the flower growing and scenting machine; the tea discharge end of the flower screening machine is connected to a dryer, and the discharge end of the dryer is connected to a cooler, and the cooler is arranged in an independent workshop equipped with a rapid cooling device, and the discharge end of the cooler is connected to a packaging workshop, and the discharge end of the cooler is connected to a second material return device, and the second material return device is connected to the pile leveler.

[0007] Optionally, the flower-growing and scenting machine is a non-closed structure, and includes a fixed frame, in which multiple layers of mainframe conveyors are alternately arranged from top to bottom, and the multiple layers of mainframe conveyors are, from top to bottom, the first layer conveyor, the second layer conveyor, the third layer conveyor, the fourth layer conveyor and the fifth layer conveyor; a material distribution machine is provided at one end of the fixed frame, and the discharging end of the material distribution machine is connected to the top of the first layer conveyor, and a material discharging conveyor is provided at the other end of the fixed frame, and the material discharging conveyor is connected to the discharging end of the fifth layer conveyor, and the material discharging conveyor is connected to the flower screening machine, and the material return device is connected to the material distribution machine.

[0008] Optionally, the material distribution machine includes a material distribution bin, and only a lifting conveyor belt is arranged in the material distribution bin. A material distribution device is arranged in the material distribution bin and above the lifting conveyor belt. The material distribution device includes a material distribution plate rotatably connected to the material distribution bin and a driving member for driving the material distribution plate to rotate, and the output end of the driving member is connected to one end of the material distribution plate.

[0009] Optionally, the flower screening machine includes a spring frame, a sieve bed and a vibration motor, the sieve bed is fixed on the spring frame, the vibration motor is fixed to one end of the spring frame, the output end of the vibration motor is connected to the sieve bed, a conveyor is arranged above the sieve bed, one end of the conveyor is connected to the feeding end of the sieve bed, and the other end of the conveyor is connected to the first material return device; the discharge end of the conveying device located between the discharge end of the flower growing and scenting machine and the flower screening machine is connected to the top of the conveyor.

[0010] Optionally, the camellia mixer includes a bracket, a barrel is mounted on the bracket, a guide plate is arranged in the barrel, an adjustment frame for adjusting the inclination angle of the barrel is arranged at the bottom of the bracket, a drive motor is arranged on the bracket, and the output end of the drive motor is transmission-connected to the barrel.

[0011] Optionally, the stacking machine includes a stacking box, a stacking conveyor, a loading device and a discharging gooseneck conveyor, the stacking conveyor is arranged at the bottom of the stacking box, one end of the stacking conveyor is connected to the discharging gooseneck conveyor, the loading device includes a vertical feed conveyor, a horizontal horizontal conveyor and a vertical horizontal conveyor, the vertical feed conveyor is arranged on one side of the stacking box, the vertical feed conveyor is connected to the top of the horizontal horizontal conveyor, the horizontal horizontal conveyor and the vertical horizontal conveyor are slidably connected to the top of the stacking box, wherein the dried tea is put into the vertical feed conveyor, and the dried tea is evenly spread in the stacking box through the cooperation of the horizontal horizontal conveyor and the vertical horizontal conveyor.

[0012] Optionally, multiple dryers are arranged in parallel, and the dryers include a drying box, a feeding conveyor, a hot air blower and an air supply duct. Multiple layers of material conveyor belts are arranged in the drying box, and the multiple layers of material conveyor belts are alternately staggered; the discharge end of the feeding conveyor is connected to the feed end of the drying box, and the feeding conveyor is provided with a spreading plate for controlling the stacking thickness of the tea leaves. The air outlet of the hot air blower is connected to the air supply duct, and the air supply duct is connected to the end of the drying box away from the feeding conveyor; a material dividing device is arranged between the multiple dryers, and the discharge end of the material dividing device is respectively connected to the top of the feeding conveyor of each dryer.

[0013] Optionally, the independent workshop where the flower growing and scenting machine and the flower screening machine are set up is a scenting workshop, and the scenting workshop is provided with a temperature sensor, a humidity sensor, a ventilation system and an intelligent control system, wherein the temperature sensor and the humidity sensor are respectively used to detect the temperature and humidity of the scenting workshop, and the ventilation system is controlled by the intelligent control system to adjust the temperature and humidity of the scenting workshop.

[0014] Optionally, weighing devices are provided on the conveying devices between the discharge end of the pile leveler and the discharge end of the flower-growing and scenting machine connected to the camellia mixer.

[0015] Optionally, the cooling machine is arranged in a separate workshop and is equipped with a rapid cooling device to control the space temperature at -5 to 15°C.

[0016] In summary, the present application includes at least one of the following beneficial technical effects: 1. This production line can complete the automated production and processing of jasmine tea, reduce human operation interference, improve production efficiency, effectively reduce the natural loss of jasmine fragrance, increase the utilization rate of jasmine fragrance, improve the cleanliness of the product, stabilize and improve the quality of tea, and reduce production costs.

[0017] 2. This application uses an integrated flower-growing and scenting machine to complete the flower-waiting, flower-turning, flower-growing and scenting processes, etc., to achieve multiple uses of one machine and reduce the space occupied by the equipment. At the same time, the flower-waiting, flower-turning, flower-growing and scenting processes are completed by intelligent program-controlled machinery, no longer relying on workers' subjective judgment, improving production efficiency, effectively reducing the natural loss of jasmine fragrance, increasing the utilization rate of jasmine fragrance, improving the cleanliness of the product, and stabilizing and improving the quality of tea.

[0018] 3. The integrated flower-growing and scenting machine is set in an independent workshop, which can accurately control the ambient temperature during the flower-growing, flower-scenting and scenting processes, so that the fragrance of the jasmine flowers and the fragrance of the tea leaves can reach the best state. At the same time, the workshop can be closed, which is conducive to collecting and reusing the flower fragrance and improving the utilization rate of the jasmine fragrance.

[0019] 4. The front section of this production line is equipped with a tea refining machine and a pile leveling machine, which can improve the purity of the tea leaves, make the quality of the tea leaves uniform, reduce the differences between each batch of tea leaves, shorten and simplify the later process steps of jasmine tea removal and pile leveling, and effectively reduce the loss of floral fragrance.

[0020] 5. This production line is equipped with an independent rapid cooling device, which can quickly cool the roasted tea leaves, greatly reducing the loss of jasmine fragrance during the cooling process. At the same time, it can ensure that the tea leaves are fully cooled when bagged, avoiding problems such as unstable quality caused by residual heat of the tea leaves in the packaging bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a plan view of the intelligent automatic production line for making jasmine tea in this application.

[0022] Figure 2 It is a flow chart of the intelligent automatic production line for making jasmine tea in this application.

[0023] Figure numerals: 1. Tea refining machine; 2. Stacking machine; 3. Flower growing and scenting machine; 4. Flower screening machine; 5. Camellia mixing machine; 6. Drying machine; 7. Material dividing device; 8. Cooling machine; 9. First material returning device; 10. Second material returning device. DETAILED DESCRIPTION

[0024] Embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings.

[0025] In the description of this specification, the description with reference to the terms "certain embodiments", "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0026] The embodiment of the present application discloses an intelligent automated production line for jasmine tea scenting, which is used to realize automated processing of jasmine tea. Figure 1-Figure 2 , including a plurality of parallelly arranged integrated flower-growing and scenting machines 3, which complete the processes of waiting for flowers, turning flowers, growing flowers and scenting, etc., so as to realize multi-purpose of one machine and reduce the space occupied by the equipment. A flower screening machine 4 is arranged on one side of each integrated flower-growing and scenting machine 3, and the discharge end of the integrated flower-growing and scenting machine 3 is connected to the flower screening machine 4, and the discharge end of the flower screening machine 4 is provided with a first return device 9, which is connected to the feed end of the integrated flower-growing and scenting machine 3. The integrated flower-growing and scenting machine 3 and the flower screening machine 4 are arranged in independent workshops, which can accurately control the ambient temperature during the process of waiting for flowers, growing flowers and scenting, so that the fragrance of jasmine flowers and the fragrance absorption of tea blanks can reach the best state. At the same time, the workshop can be closed, which is conducive to collecting and reusing flower fragrance and improving the utilization rate of jasmine fragrance.

[0027] The tea making machine 1 and the piling machine 2 are connected by a conveying device. The tea making machine 1 is arranged at the front end of the production line to remove impurities from the tea leaves. The piling machine 2 makes the quality of the tea leaves uniform, reduces the differences between each batch of tea leaves, shortens the process steps of removing impurities and piling up the jasmine tea in the later stage, and reduces the loss of floral fragrance. Three tea making machines 1 are arranged in parallel to remove impurities from the tea leaves. A camellia mixer 5 is arranged on one side of the piling machine 2. The discharging end of the piling machine 2 and the discharging end of the flower growing and scenting machine 3 are both connected to the camellia mixer 5. The discharging end of the camellia mixer 5 is connected to the feeding end of the flower growing and scenting machine 3. The tea discharging end of the flower screening machine 4 is connected to a drying machine 6. The discharging end of the drying machine 6 is connected to a cooling machine 8. The discharging end of the cooling machine 8 is connected to a packaging workshop. The discharging end of the cooling machine 8 is connected to a second material return device 10. The second material return device 10 is connected to the piling machine 2.

[0028] The flower-growing and scenting machine 3 is a non-closed structure. The flower-growing and scenting machine 3 includes a fixed frame, in which multiple layers of mainframe conveyors are alternately arranged from top to bottom, and the multiple layers of mainframe conveyors are, from top to bottom, the first layer conveyor, the second layer conveyor, the third layer conveyor, the fourth layer conveyor and the fifth layer conveyor; a material distribution machine is arranged at one end of the fixed frame, and the discharge end of the material distribution machine is connected to the top of the first layer conveyor, and a material discharging conveyor is arranged at the other end of the fixed frame, and the material discharging conveyor is connected to the discharge end of the fifth layer conveyor, and the material discharging conveyor is connected to the flower screening machine 4, and the material return device is connected to the material distribution machine.

[0029] The material distributing machine includes a material distributing bin, in which there is only a lifting conveyor belt. A material distributing device is arranged above the lifting conveyor belt and in the material distributing bin. The material distributing device includes a material distributing plate rotatably connected to the material distributing bin and a driving member for driving the material distributing plate to rotate, and the output end of the driving member is connected to one end of the material distributing plate.

[0030] The flower growing and scenting machine 3 is fully automatic and fully operational, with automatic discharging, and can be started with one button through PLC and touch screen control. The multi-layer main machine conveyor and the material distributing machine are all chain-driven and covered with high-strength polyethylene nets, with stable transmission and strong air permeability. The effective spreading area of ​​each layer is ≥22㎡, and the interlayer space is ≥300MM. The density of tea leaves is 250KG / m³, the density of jasmine flowers is 80KG / m³, the ratio of camellia is 1:0.4, and the theoretical density of camellia mixture is 150KG / cubic meter. A 4000KG camellia mixture requires 26m³, and the effective area of ​​the whole machine is 88㎡. The theoretical thickness of the material is 295MM≤300MM between layers. The flower growing and scenting machine 3 is equipped with two 1.5KW motors to output power, and the main machine conveyor and the material distributing machine can achieve stepless speed change. The discharging time of the flower growing and scenting machine 3 is controllable from 0.5 to 2 hours.

[0031] The flower screening machine 4 includes a spring frame, a screen bed and a vibration motor. The screen bed is fixed on the spring frame, the vibration motor is fixed to one end of the spring frame, the output end of the vibration motor is connected to the screen bed, and a conveyor is arranged above the screen bed. One end of the conveyor is connected to the feeding end of the screen bed, and the other end of the conveyor is connected to the first return device 9. Whether the material passes through the flower screening machine 4 can be selected by controlling the forward and reverse rotation of the conveyor belt; the discharge end of the conveying device located between the discharge end of the flower growing and scenting machine 3 and the flower screening machine 4 is connected to the top of the conveyor.

[0032] The camellia mixer 5 includes a bracket, a barrel is mounted on the bracket, a guide plate is arranged in the barrel, the camellia can be evenly mixed in the barrel, an adjustment frame for adjusting the inclination angle of the barrel is arranged at the bottom of the bracket, a driving motor is arranged on the bracket, and the output end of the driving motor is connected to the barrel in a transmission manner. The barrel angle and speed are adjustable, and the material in and out time and the material quantity in the barrel can be flexibly controlled.

[0033] The stacking machine 2 includes a stacking box, a stacking conveyor, a loading device and a discharging gooseneck conveyor. The stacking conveyor is arranged at the bottom of the stacking box, and one end of the stacking conveyor is connected to the discharging gooseneck conveyor. The loading device includes a vertical feed conveyor, a horizontal horizontal conveyor and a vertical horizontal conveyor. The vertical feed conveyor is arranged on one side of the stacking box, and the vertical feed discharge end is connected to the top of the horizontal horizontal conveyor. The horizontal horizontal conveyor and the vertical horizontal conveyor are slidably connected to the top of the stacking box, wherein the dried tea is put into the vertical feed conveyor, and the dried tea is evenly spread in the stacking box through the cooperation of the horizontal horizontal conveyor and the vertical horizontal conveyor.

[0034] The pile leveler 2 also adopts chain drive, and the pile leveling conveyor adopts stainless steel chain plates. The effective storage space is 12.5M long, 2.5M wide, and 1.8M high, totaling 56m³. The density of dry tea is 250KG / m³. The theoretical storage capacity is 14,000KG of dry tea, and the fastest discharge speed is 0.35 hours.

[0035] There are four dryers 6 arranged in parallel, and the dryers 6 include a drying box, a feeding conveyor, a hot air blower and an air supply duct. A multi-layer material conveyor belt is arranged in the drying box, and the multi-layer material conveyor belt is arranged alternately and staggered; the discharge end of the feeding conveyor is connected to the feed end of the drying box, and a spreading plate for controlling the thickness of tea accumulation is arranged on the feeding conveyor. The air outlet of the hot air blower is connected to the air supply duct, and the air supply duct is connected to the end of the drying box away from the feeding conveyor; a material dividing device 7 is arranged between the multiple dryers 6, and the discharge end of the material dividing device 7 is respectively connected to the top of the feeding conveyor of each dryer 6.

[0036] The fastest operating speed of dryer 6 is 0.12M / S, the length of the material drying track in dryer 6 is 55M, the fastest material discharge time is 8MIN, the estimated drying time for 10,000KG of dried tea is 3.5H, the drying capacity of each dryer 6 is 950KG per hour, and the material thickness of dryer 6 is about 10MM.

[0037] The independent workshop where the flower growing and scenting machine 3 and the flower screening machine 4 are set up is a scenting workshop. The scenting workshop is equipped with temperature sensors, humidity sensors, ventilation systems and intelligent control systems. Among them, the temperature sensor and humidity sensor are respectively used to detect the temperature and humidity of the scenting workshop, and the ventilation system is controlled by the intelligent control system to adjust the temperature and humidity of the scenting workshop; the flower waiting, flower turning, flower growing and scenting processes are completed by machines controlled by the intelligent control system, and no longer rely on the subjective judgment of workers, thereby improving production efficiency, enhancing the cleanliness of products, and stabilizing the quality of tea.

[0038] A weighing device is provided on the conveying device between the discharge end of the stacking machine 2 and the discharge end of the flower-growing and scenting machine 3 connected to the camellia mixer 5.

[0039] Cooler 8 is set in a separate workshop and equipped with a rapid cooling device to control the space temperature at -5 to 15°C. The rapid cooling device can use a compression refrigerator to quickly cool the dried tea leaves, greatly reducing the loss of jasmine fragrance during the cooling process. At the same time, it can ensure that the tea leaves are fully cooled when bagged, avoiding problems such as unstable quality caused by residual heat of the tea leaves in the packaging bags. The fastest operating speed of the drying plate of cooler 8 is 0.12M / S, the length of the material drying track in cooler 8 is 55M, and the fastest material discharge time is 8MIN. The material thickness of dryer 6 is about 10MM, and the minimum height between layers of cooler 8 is 140MM. When 4 dryers 6 are drying at the same time, the material is in the state with the most material. The material thickness of cooler 8 is 40MM≤the minimum layer spacing of cooler 8.

[0040] The peak flow rate of the conveying device is after the tea and jasmine are mixed. The theoretical dry tea storage capacity of the production line is 10,000 kg and the jasmine storage capacity is 5,000 kg. The fastest tea and jasmine mixing time of the production line is designed to be 90 minutes. After mixing, the conveyor belt is 600 mm wide and the belt running speed is 21 m / min. The thickness of the conveyor material during peak flow is 110 mm, and the other conveyor belts are 500 mm wide.

[0041] The jasmine tea production line adopts intelligent control of the industrial system to realize intelligent automation of the jasmine tea production line, thereby reducing manual operations and improving work efficiency.

[0042] The jasmine tea scenting process uses the above equipment to scent jasmine tea, including the following steps: S1, picking flowers; S2, conveying the flowers to the first, second, third, and fourth layers of the flower-growing and scenting machine 3 through a fabric conveyor, and then stopping to wait for the flowers and grow the flowers, and then conveying the flowers to the fifth layer and stopping to turn the flowers and wait for the flowers.

[0043] S3, conveying the flowers to the flower screening machine 4, removing impurities in the flowers, passing through the first material return device 9 and the material distribution machine, and then conveying the flowers to the first layer, the second layer, the third layer, and the fourth layer, and then stopping, and then serving and growing the flowers again, after turning the flowers, conveying the flowers to the second layer, the third layer, the fourth layer, and the fifth layer, and then stopping, and growing the flowers.

[0044] S4, tea preparation, placing tea leaves in a tea refiner 1, removing impurities from the tea leaves, and evenly stacking the tea leaves in a stacker 2.

[0045] S5. The fresh flowers and tea leaves on the conveying device are weighed by a weighing device to control the proportion of the tea leaves, and the tea leaves and fresh flowers are conveyed to a mixer for mixing. The evenly mixed tea leaves are transported to the flower-growing and scenting machine 3 by the conveying device for scenting.

[0046] S6, evenly spread the camellia mixture on the multi-layer main machine conveyor belt, and keep it still, control the room temperature and humidity, scent it for 2-4 hours, and circulate the camellia through the conveyor above the flower screening machine 4, and circulate it 2-3 times.

[0047] S7, the scented camellia is separated by a flower screening machine 4, the separated fresh flowers are recovered, and the separated tea leaves are transported to a dryer 6 by a conveying device. At the same time, the tea leaves are evenly distributed to each dryer 6 by a material dividing device 7, and the tea leaves are dried. The dried tea leaves are transported to a cooling machine 8, and the temperature of the tea leaves is controlled at -5 to 15°C.

[0048] S8. The cooled tea leaves are directly packaged or conveyed to the stacking machine 2 through the second material recycling device 10 for re-scenting operation.

[0049] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. The intelligent automatic production line for making jasmine tea is characterized by: The invention comprises a plurality of flower-growing and flower-scenting integrated machines (3) arranged in parallel, a flower-screening machine (4) being arranged on one side of each of the flower-growing and flower-scenting integrated machines (3), a discharge end of the flower-growing and flower-scenting integrated machine (3) being connected to the flower-screening machine (4), a first material-returning device (9) being arranged on the discharge end of the flower-growing and flower-scenting integrated machine (3), the first material-returning device (9) being connected to the feed end of the flower-growing and flower-scenting integrated machine (3), the flower-growing and flower-scenting integrated machine (3) and the flower-screening machine (4) being arranged in an independent controllable temperature and humidity control workshop; and further comprises a refined tea machine (1) and a stacking machine (2) connected by a conveying device, a tea-flower mixer (5) being arranged on one side of the stacking machine (2) The discharge end of the stacking machine (2) and the discharge end of the integrated flower-growing and scenting machine (3) are both connected to a camellia mixer (5), and the discharge end of the camellia mixer (5) is connected to the feed end of the integrated flower-growing and scenting machine (3); the discharge end of the tea leaves of the flower screening machine (4) is connected to a dryer (6), and the discharge end of the dryer (6) is connected to a cooler (8), and the cooler (8) is arranged in an independent workshop equipped with a rapid cooling device, and the discharge end of the cooler (8) is connected to a packaging workshop, and the discharge end of the cooler (8) is connected to a second return device (10), and the second return device (10) is connected to the stacking machine (2).

2. The intelligent automated production line for making jasmine tea according to claim 1, characterized in that: The integrated flower-growing and flower-scenting machine (3) is a non-enclosed structure, and comprises a fixed frame, wherein multiple layers of main machine conveyors are alternately arranged from top to bottom in the fixed frame, and the multiple layers of main machine conveyors are, from top to bottom, the first layer conveyor, the second layer conveyor, the third layer conveyor, the fourth layer conveyor and the fifth layer conveyor; a material distribution machine is arranged at one end of the fixed frame, and the discharge end of the material distribution machine is connected to the upper part of the first layer conveyor; a material discharge conveyor is arranged at the other end of the fixed frame, and the material discharge conveyor is connected to the discharge end of the fifth layer conveyor, and the material discharge conveyor is connected to the flower screening machine (4), and the material return device is connected to the material distribution machine.

3. The intelligent automated production line for making jasmine tea according to claim 2, characterized in that: The material distributing machine includes a material distributing bin, in which only a lifting conveyor belt is arranged, and a material leveling device is arranged in the material distributing bin and above the lifting conveyor belt. The material leveling device includes a material leveling plate rotatably connected to the material distributing bin and a driving member for driving the material leveling plate to rotate, and the output end of the driving member is connected to one end of the material leveling plate.

4. The intelligent automated production line for making jasmine tea according to claim 1, characterized in that: The flower screening machine (4) comprises a spring frame, a screening bed and a vibration motor, wherein the screening bed is fixed on the spring frame, the vibration motor is fixed on one end of the spring frame, the output end of the vibration motor is connected to the screening bed, a conveyor is arranged above the screening bed, one end of the conveyor is connected to the feeding end of the screening bed, and the other end of the conveyor is connected to a first material return device (9); the discharge end of the conveyor device located between the discharge end of the flower growing and scenting machine (3) and the flower screening machine (4) is connected to the top of the conveyor.

5. The intelligent automated production line for making jasmine tea according to claim 1, characterized in that: The camellia mixer (5) comprises a bracket, a barrel is mounted on the bracket, a guide plate is arranged in the barrel, an adjustment frame for adjusting the inclination angle of the barrel is arranged at the bottom of the bracket, a driving motor is arranged on the bracket, and the output end of the driving motor is drivingly connected to the barrel.

6. The intelligent automated production line for making jasmine tea according to claim 1, characterized in that: The stacking machine (2) comprises a stacking box, a stacking conveyor, a loading device and a discharging gooseneck conveyor, wherein the stacking conveyor is arranged at the bottom of the stacking box, one end of the stacking conveyor is connected to the discharging gooseneck conveyor, the loading device comprises a feeding vertical conveyor, a transverse horizontal conveyor and a longitudinal horizontal conveyor, the feeding vertical conveyor is arranged on one side of the stacking box, the feeding vertical discharging end is connected to the top of the transverse horizontal conveyor, the transverse horizontal conveyor and the longitudinal horizontal conveyor are slidably connected to the top of the stacking box, wherein the dried tea leaves are put into the feeding vertical conveyor, and the dried tea leaves are evenly spread in the stacking box through the cooperation of the transverse horizontal conveyor and the longitudinal horizontal conveyor.

7. The intelligent automated production line for making jasmine tea according to claim 1, characterized in that: A plurality of dryers (6) are arranged in parallel, and the dryers (6) include a drying box, a feeding conveyor, a hot air blower and an air supply pipe. A plurality of material conveyor belts are arranged in the drying box, and the plurality of material conveyor belts are arranged alternately and staggered. The discharge end of the feeding conveyor is connected to the feed end of the drying box, and a spreading plate for controlling the stacking thickness of tea leaves is arranged on the feeding conveyor. The air outlet of the hot air blower is connected to the air supply pipe, and the air supply pipe is connected to one end of the drying box away from the feeding conveyor. A material distributor (7) is arranged between the plurality of dryers (6), and the discharge end of the material distributor (7) is respectively connected to the top of the feeding conveyor of each dryer (6).

8. The intelligent automated production line for making jasmine tea according to claim 1, characterized in that: The independent workshop in which the integrated flower growing and scenting machine (3) and the flower screening machine (4) are arranged is a scenting workshop, and a temperature sensor, a humidity sensor, a ventilation system and an intelligent control system are arranged in the scenting workshop, wherein the temperature sensor and the humidity sensor are used to detect the temperature and humidity of the scenting workshop respectively, and the intelligent control system controls the ventilation system to adjust the temperature and humidity of the scenting workshop.

9. The intelligent automated production line for making jasmine tea according to claim 1, characterized in that: A weighing device is provided on the conveying device between the discharge end of the stacking machine (2) and the discharge end of the integrated flower-growing and scenting machine (3) connected to the camellia mixer (5).

10. The intelligent automatic production line for making jasmine tea according to claim 1, characterized in that: The cooling machine (8) is arranged in a separate workshop and is equipped with a rapid cooling device to control the space temperature at -5 to 15°C.

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