CN210841424U

CN210841424U - Tea leaf withering machine

Info

Publication number: CN210841424U
Application number: CN201921636823.8U
Authority: CN
Inventors: 陈翠霞; 高为战; 康军
Original assignee: Shandong Zhengshantang Tea Co ltd
Current assignee: Shandong Zhengshantang Tea Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-06-26
Anticipated expiration: 2029-09-29

Abstract

The utility model relates to a tea withering machine, which comprises an air blower, an electric heating plate positioned at the right side of the air blower and a control panel arranged at one side of the air blower, wherein the right side of the electric heating plate is provided with a feed hopper frame, and a feed hopper is arranged above the feed hopper frame; a conveying belt fixed by a conveying belt bracket is arranged at the right lower part of the feeding hopper, the conveying belt comprises three layers from top to bottom, and each two layers are provided with a material following plate; a front baffle and a rear baffle are arranged on two sides of each layer of conveying belt, a push block connected with a push rod is arranged on the inner side of the front baffle, and a discharge plate is arranged on the rear baffle; a rotatable material homogenizing claw is arranged above the feeding part of each layer of the conveying belt, and a pair of light curtain sensors are further arranged above the right side of the third conveying belt. This novel area is little, and is efficient, convenient to use, a large amount of uses manpower sparingly and time, synthesizes the practicality strong, easily uses widely.

Description

Tea leaf withering machine

Technical Field

The utility model relates to a tea processing technology field specifically is a tea withering machine.

Background

Fresh leaves are withered, which is an important process in the primary processing process of black tea, and the tea leaves which are just picked are stained with water or strongly photosynthetic, and need to be withered to reduce the loss of organic matters in the tea leaves and improve the taste of the tea leaves. The physical and chemical changes of the tea leaves occur in the withering process, which has great influence on the appearance and the inner quality of the tea made by the subsequent process. The purpose of withering is to evaporate water, reduce cell tension, soften the leaves and thereby facilitate rolling. Meanwhile, the activity of the enzyme is enhanced, so that the content ingredients are changed to a certain degree, and a solid foundation is laid for the excellent quality of the black tea.

The traditional withering treatment mode is that the bamboo strips are placed on a bamboo strip to naturally wither or wither through a withering trough. However, the natural withering structure is simple and crude and is easily influenced by the weather, and the withering effect is poor. Tea withering machine among the prior art generally includes air-blower, electric plate and organism, and the organism below is equipped with the wind channel, and wire mesh board is put on the wind channel to tealeaves, and the heat that drives the electric plate production through the air-blower circulates in the wind channel, with the tealeaves drying on the wire mesh board. When the device is used, tea leaves are required to be spread on the steel wire mesh plate, the spreading area is large in order to ensure the effect, the device is long, and the space is occupied; because the equipment is longer, the hot air in the air duct can be attenuated along with the length, and the withering effect of the tea leaves is influenced; workers cannot ensure the uniform paving, and the withering degree of some places is not enough and the withering of some places is excessive; when the withering process is completed, the workers take back the withering process which is time-consuming and labor-consuming.

Disclosure of Invention

To the problem that exists among the above prior art, the utility model provides a tealeaves machine that withers.

The utility model discloses a realize through following technical scheme:

a tea leaf withering machine comprises a blower, an electric heating plate and a control panel, wherein the electric heating plate is located on the right side of the blower, the control panel is installed on one side of the blower, a hopper frame is arranged on the right side of the electric heating plate, and a hopper is installed above the hopper frame; a conveying belt fixed by a conveying belt bracket is arranged at the right lower part of the feeding hopper, the conveying belt is provided with a plurality of layers from top to bottom, and each two layers are provided with material distributing plates; the periphery and the bottom surface of the air blower, the electric heating plate and the conveying belt are sealed by a sheet metal shell.

Preferably, the conveying belt is divided into three layers which respectively comprise a first conveying belt, a second conveying belt and a third conveying belt from top to bottom, and a front baffle and a rear baffle are respectively arranged on two sides of the first conveying belt, the second conveying belt and the third conveying belt.

Preferably, the first conveying belt, the second conveying belt and the third conveying belt are provided with meshes.

Preferably, a movable push block is arranged on the inner side of the front baffle, and the push block is connected with a push rod penetrating through the front baffle.

Preferably, a movable discharging plate is arranged on the rear baffle, the lower part of the discharging plate is hinged to the hinge base, and a discharging handle is arranged on the outer side of the discharging plate.

Preferably, the first conveying belt and the third conveying belt have the same conveying direction and are opposite to the conveying direction of the second conveying belt.

Preferably, the first conveying belt, the third conveying belt and the second conveying belt are respectively provided with a material homogenizing claw above the left end and the right end.

Preferably, the material refining claw is coaxially fixed on the follow-up shaft and is connected with the rotating shaft at the left end or the right end through a belt.

Preferably, a pair of light curtain sensors installed on the conveying belt support is arranged above the right side of the third conveying belt.

Preferably, the lower end of the feeding hopper is provided with a material baffle plate.

The utility model has the advantages that:

the utility model provides a tea withering machine, which changes a one-layer steel wire mesh plate into a three-layer conveyor belt form in the prior art, thereby greatly reducing the occupied space; because the length is shortened, the blowing and heating effects of the blower and the electric heating plate are enhanced, so that the tea leaves are heated more uniformly, and the withering effect is ensured; a material homogenizing claw is arranged on the feeding side above the conveying belt each time, so that the tea leaves passing through the material homogenizing claw can be ensured to be uniform in thickness; a push rod and a push block are arranged on one side of the front baffle, a discharge plate hinged with the front baffle is arranged on the opposite rear baffle, and tea can be conveniently pushed out of the discharge plate by pushing the push rod and the push block; a pair of light curtain sensors is arranged at the three tail ends of the conveying belt, and the conveying belt automatically stops rotating when the tea leaves reach the tail ends, so that overfilling and overflow are prevented.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the front view cross-sectional structure of the present invention.

Fig. 2 is a schematic view of a three-dimensional structure of the present invention.

Fig. 3 is a schematic view of a three-dimensional structure of the present invention.

In the figure, 1-sheet metal shell, 2-blower, 3-electric hot plate, 4-hopper, 41-hopper frame, 42-striker plate, 5-first conveyer belt, 50-conveyer belt bracket, 51-second conveyer belt, 52-third conveyer belt, 53-rotating shaft, 54-belt, 55-follow shaft, 500-conveyer belt, 6-discharge plate, 61-hinged seat, 62-discharge handle, 63-front baffle, 64-rear baffle, 7-light curtain sensor, 8-material-following plate, 9-refining claw, 10-push rod, 11-push block and 12-control panel.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solution of the present invention will be further described with reference to fig. 1 to 3.

A tea leaf withering machine comprises a blower 2, an electric heating plate 3 positioned at the right side of the blower 2 and a control panel 12 arranged at one side of the blower. The electric heating plate 3 is provided with a plurality of electric heating wires, the electric heating wires become red and hot after being electrified, and the air blower 2 can blow the heat on the electric heating plate into the equipment in a hot air mode to bake and wither the tea leaves; the control panel 12 is used for setting the start and stop, the withering temperature setting, the withering time and the like. The outside of air-blower 2 and electric plate 3 has panel beating casing 1 (for can seeing the inner structure clearly, not drawn in the figure), guarantees sealed effect.

The right side of the electric hot plate 3 is provided with a hopper frame 41, a hopper 4 is installed above the hopper frame 41, the hopper 4 is used for temporarily storing tea leaves to be withered, a baffle plate 42 is arranged below the hopper 4, when feeding is needed, the tea leaves are drawn out, and the tea leaves are filled with the materials or inserted into the tea leaves to block the feeding hole when feeding is needed.

The conveyer belt 500 fixed by the conveyer belt bracket 50 is arranged at the lower right of the hopper 4, in this embodiment, the conveyer belt 500 is provided with three layers from top to bottom, namely a conveyer belt one 5, a conveyer belt two 51 and a conveyer belt three 52, and the conveyer belts are driven to transmit by connecting a motor (not shown) with a rotating shaft 53. In the transmission process, the conveying direction of the first conveying belt 5 is the same as that of the third conveying belt 52, and the conveying direction of the second conveying belt 51 is opposite to that of the third conveying belt 52, so that tea leaves can flow to the right end of the third conveying belt 52 from the left end of the first conveying belt 5 in an S shape. And a material following plate (8) is arranged between every two layers of conveying belts, so that material leakage is avoided and complete connection is formed in the process of flowing between the conveying belts.

The first conveying belt 5, the second conveying belt 51 and the third conveying belt 52 are of a micropore mesh surface structure, so that the material leakage condition cannot occur on the premise of ensuring ventilation.

The two sides of the first conveying belt 5, the second conveying belt 51 and the third conveying belt 52 are respectively provided with a front baffle 63 and a rear baffle 64, so that tea leaves are prevented from leaking from the two sides. The inner side of the front baffle 63 is provided with a movable push block 11, the push block 11 is connected with a push rod 10 penetrating through the front baffle 63, and the push block 11 can slide in the vertical direction of the conveying belt by pushing the push rod 10.

The rear baffle plate 64 is provided with a movable discharging plate 6, the lower part of the discharging plate 6 is hinged to the hinge seat 61, the discharging plate 6 can be turned around the hinge seat 61, and the outer side of the discharging plate 6 is provided with a discharging handle 62. The discharging plate 6 is turned over by grasping the discharging handle 62, so that the withered tea leaves can be pushed out, and the use convenience is improved.

And material homogenizing claws 9 are arranged above the left ends of the first conveying belt 5 and the third conveying belt 52 and above the right end of the second conveying belt 51. The refining claw 9 is coaxially fixed on a follow-up shaft 55 and is connected with a rotating shaft 53 at the left end or the right end through a belt 54, the rotating shaft 53 provides power to drive the follow-up shaft 55 to further drive the refining claw 9 to rotate, the refining claw 9 limits the height of the thicker tea leaves coming from the front, the height of the tea leaves is reduced to be equal to the bottom end of the refining claw 9 through rotation, then the tea leaves passing through the refining claw 9 have the same thickness, the height of the refining claw 9 can be adjusted, and the better withering effect is ensured.

A pair of light curtain sensors 7 arranged on the conveyor belt bracket 50 is arranged above the right side of the third conveyor belt 52, when tea leaves to be withered reach the rightmost side of the third conveyor belt 52, namely the tail end of the conveyor belt, the light curtain sensors 7 are blocked, the light curtain sensors 7 can return information to the control system, and the control system commands the motor of the conveyor belt to stop rotating and gives an alarm. At this time the conveyors are already full of tea leaves which are to be withered evenly.

The periphery and the bottom surface of the air blower 2, the electric heating plate 3 and the conveying belt 500 are sealed through the sheet metal shell 1 (not all drawn to ensure that the internal structure can be seen clearly), the top surface of the conveying belt is opened, hot air directly reaches the conveying belt 500, the loss of heat and air volume is reduced, and the withering efficiency of tea leaves on the conveying belt 500 is ensured.

The working process is as follows: an operator pours tea leaves to be withered into the feeding hopper 4, then the driving motor of the conveying belt 500 is turned on, and the conveying belt I5, the conveying belt II 51 and the conveying belt III 52 start to rotate; the material baffle plate 42 is drawn out, tea leaves start to enter the first conveying belt 5, the thicker tea leaves conveyed by the refining claw 9 are changed into the set same thickness, the tea leaves flow to the right end of the first conveying belt 5 and enter the second conveying belt 51 through the feeding plate 8 on the right side, then the tea leaves passing through the second conveying belt 51 are changed into the set thickness through the refining claw 9 at the right end of the second conveying belt 51, the tea leaves flow to the left end of the second conveying belt 51 and are conveyed to the third conveying belt 52 through the feeding plate 8 at the left end, the tea leaves on the third conveying belt 52 are changed into the set thickness through the refining claw 9 at the last time, and the tea leaves flow to the rightmost end of the third conveying belt 52, namely reach the tail end of the conveying belt, the tea leaves block the light curtain sensor 7, the light curtain sensor 7 returns information to the control system, the control system commands the motor of the transmission belt to stop rotating and gives an alarm, and an operator inserts the material blocking plate 42 to stop feeding. This completes the laying of the tea leaves on the surface of the conveyor 500. And (3) turning on a power supply of the air blower 2 and the electric heating plate 3, setting the temperature and time, finishing withering and automatically shutting down. An operator grasps the discharging handle 62 on the rear baffle plate 64 to open the discharging plate 6, pushes the push rod 10 at one side of the front baffle plate 63, and the push block 11 pushes the withered tea leaves on the conveyor belt out of the discharging plate 6, so that the whole loading, withering and taking-out operation process is completed.

In the description of the present invention, the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", etc. are based on the directions or positional relationships shown in the drawings (the present invention shows positional relationships with the main view), and are only for describing the present invention, but not for requiring the present invention to be constructed or operated in a specific direction, and therefore, the present invention cannot be interpreted as being limited to the present invention. The terms "connected" and "connected" in the present invention are to be understood in a broad sense, and may be connected or detachably connected, for example; the terms may be directly connected or indirectly connected through intermediate components, and specific meanings of the terms may be understood as specific conditions by those skilled in the art.

The foregoing is a preferred embodiment of the present invention, and the description of the specific embodiments is only for better understanding of the idea of the present invention. For a person skilled in the art, it is obvious that several modifications and equivalent substitutions can be made according to the principles of the present invention, and these modifications and equivalent substitutions are also considered to fall within the scope of the present invention.

Claims

1. A tea leaf withering machine comprises a blower (2), an electric heating plate (3) positioned on the right of the blower (2) and a control panel (12) arranged on one side of the blower, and is characterized in that a hopper frame (41) is arranged on the right side of the electric heating plate (3), and a hopper (4) is arranged above the hopper frame (41); a conveying belt (500) fixed by a conveying belt bracket (50) is arranged at the right lower part of the hopper (4), the conveying belt (500) is provided with a plurality of layers from top to bottom, and each two layers are provided with a material following plate (8); the periphery and the bottom surface of the air blower (2), the electric heating plate (3) and the conveying belt (500) are sealed by a sheet metal shell (1).

2. A tea leaf withering machine as claimed in claim 1 wherein: the conveying belt (500) is divided into three layers, the three layers respectively comprise a first conveying belt (5), a second conveying belt (51) and a third conveying belt (52) from top to bottom, and a front baffle (63) and a rear baffle (64) are respectively arranged on two sides of the first conveying belt (5), the second conveying belt (51) and the third conveying belt (52).

3. A tea leaf withering machine as claimed in claim 2 wherein: and meshes are arranged on the first conveying belt (5), the second conveying belt (51) and the third conveying belt (52).

4. A tea leaf withering machine as claimed in claim 2 wherein: the inner side of the front baffle (63) is provided with a movable push block (11), and the push block (11) is connected with a push rod (10) penetrating through the front baffle (63).

5. A tea leaf withering machine as claimed in claim 2 wherein: the rear baffle plate (64) is provided with a movable discharging plate (6), the lower part of the discharging plate (6) is hinged to the hinged seat (61), and the outer side of the discharging plate (6) is provided with a discharging handle (62).

6. A tea leaf withering machine as claimed in claim 2 wherein: the conveying direction of the first conveying belt (5) is the same as that of the third conveying belt (52), and the conveying direction of the first conveying belt is opposite to that of the second conveying belt (51).

7. A tea leaf withering machine as claimed in claim 6, wherein: and material homogenizing claws (9) are arranged above the left ends of the first conveying belt (5) and the third conveying belt (52) and above the right end of the second conveying belt (51).

8. A tea leaf withering machine as claimed in claim 7 wherein: the material refining claw (9) is coaxially fixed on a follow-up shaft (55) and is connected with a rotating shaft (53) at the left end or the right end through a belt (54).

9. A tea leaf withering machine as claimed in claim 2 wherein: and a pair of light curtain sensors (7) arranged on the conveyor belt bracket (50) is arranged above the right side of the third conveyor belt (52).

10. A tea leaf withering machine as claimed in claim 1 wherein: the lower end of the feeding hopper (4) is provided with a material baffle plate (42).