CN113647243B

CN113647243B - Tea picking machine

Info

Publication number: CN113647243B
Application number: CN202110935588.XA
Authority: CN
Inventors: 彭小湖
Original assignee: Jiangsu Dongcheng Tools Technology Co Ltd
Current assignee: Jiangsu Dongcheng Tools Technology Co Ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2023-05-02
Anticipated expiration: 2041-08-16
Also published as: CN113647243A

Abstract

A tea picking machine comprises a fan, a picking device connected with the fan and a leaf collecting bag, wherein the fan comprises a shell, a motor positioned in the shell and a fan connected with the motor. The shell is provided with an air inlet and an air outlet, the motor is provided with a motor shaft, the front end of the motor shaft extends into the air inlet, and the fan is driven by the motor to flow air into the shell from the air inlet and flow out from the air outlet. The picking device is connected to the air inlet and the leaf collecting bag is connected to the air outlet, and comprises a shell extending along the axial direction, a movable cutter head positioned in the shell and a static cutter head connected to the shell, wherein the movable cutter head is connected to the front end of a motor shaft, and the movable cutter head is driven by a motor to move relative to the static cutter head. The tea leaves are broken through the matching of the movable cutter head and the static cutter head, so that broken tea leaves cannot be produced, and the quality of the tea leaves is improved; the broken tea leaves are guided by the fan of the induced draft fan to directly enter the leaf collecting bag, so that the picking efficiency of the tea leaves is ensured.

Description

Tea picking machine

[ technical field ]

The invention relates to the technical field of tea picking, in particular to a handheld tea picking machine.

[ background Art ]

Tea tasting is popular among millions of people as one of our vast cultures, and in order to obtain tea which can be drunk, a series of works such as tea planting, tea picking and the like are needed. At present, the tea leaf bud picking is mainly performed by manual picking and reciprocating pruning shears, wherein the manual picking can ensure the integrity of tea leaves, but has the defects of high labor intensity, low picking efficiency, high labor cost and the like, and cannot meet the requirement of tea picking quantity; while the reciprocating pruning shears can accelerate the picking efficiency of the tea leaves, the tea leaves are broken by the blades, so that the tea leaves are easy to break, and the quality of the tea leaves is poor. Meanwhile, the tea picking mode of the reciprocating pruning shears can hurt old leaves of tea trees, and tea leaves are named as tender buds, so that the tea trees are hurt, and the quality difference of picked tea leaves is large, so that the overall quality of the tea leaves is influenced.

In view of the foregoing, there is a need for an improved tea leaf picker that overcomes the shortcomings of the prior art.

[ summary of the invention ]

Aiming at the defects of the prior art, the invention aims to provide a tea picking machine which can improve the whole quality of picked tea while guaranteeing the picking efficiency.

The technical scheme adopted for solving the problems in the prior art is as follows: the utility model provides a tealeaves picking machine, includes the fan and connect in picking device and the collection leaf bag of fan, the fan includes the casing, is located motor in the casing and connect in the fan of motor. The shell is provided with an air inlet and an air outlet, the motor is provided with a motor shaft extending along the axial direction, the front end of the motor shaft extends into the air inlet, and the fan is driven by the motor to enable air to flow into the shell from the air inlet and flow out from the air outlet. The picking device is connected to the air inlet, the leaf collecting bag is connected to the air outlet, the picking device comprises a shell extending along the axial direction, a movable cutter head arranged in the shell and a static cutter head connected to the shell, the movable cutter head is connected to the front end of the motor shaft, and the movable cutter head is driven by the motor to move relative to the static cutter head.

The further improvement scheme is as follows: the shell is provided with a side wall extending along the axial direction, an end wall located at the axial front end of the side wall and a fixing plate located at the axial rear end of the side wall, the fixing plate is fixedly connected to the air inlet, the side wall, the end wall and the fixing plate enclose together to form a containing cavity, and the containing cavity is communicated with the air inlet.

The further improvement scheme is as follows: the shell is provided with a feed inlet positioned on the side wall, the feed inlet is communicated with the accommodating cavity, the static cutter head comprises a filament positioned at the edge of the feed inlet and an adjusting knob fixed at the axial front end of the filament, the axial rear end of the filament is fixed on the fixing plate, and the adjusting knob is connected to the end wall and has axial movement relative to the end wall.

The further improvement scheme is as follows: the filament is a steel wire with certain elasticity, and the adjusting knob moves axially relative to the end wall so as to adjust the rigidity of the filament.

The further improvement scheme is as follows: the motor drives the fan and the movable cutter head to rotate simultaneously, and air flows into the accommodating cavity from the feed inlet, flows through the air inlet into the shell and flows out from the air outlet.

The further improvement scheme is as follows: the movable cutter head is accommodated in the accommodating cavity and comprises a rotating shaft and a breaking rod which extend along the axial direction, the breaking rod and the rotating shaft are arranged in an offset mode, and two axial ends of the breaking rod are connected with the rotating shaft.

The further improvement scheme is as follows: the axial both ends of axis of rotation pass through the bearing to be fixed in the shell, just the axial rear end of axis of rotation connect in the front end of motor shaft, the motor passes through the motor shaft drive the axis of rotation is rotatory, so as to drive the breaking pole is around the axis of rotation of axis of rotation makes circular motion.

The further improvement scheme is as follows: the tea picking machine further comprises a transmission mechanism located at the air inlet, the transmission mechanism is a planetary gear train mechanism and located between the motor and the movable cutter head, one end of the transmission mechanism is connected to the front end of the motor shaft, and the other end of the transmission mechanism is connected to the rear end of the rotating shaft.

The further improvement scheme is as follows: the motor is an outer rotor motor, and the motor comprises an outer rotor fixedly connected with the motor shaft and an inner stator fixed in the shell, and the outer rotor drives the motor shaft to rotate relative to the inner stator.

The further improvement scheme is as follows: the fan is a centrifugal fan, the fan is fixedly connected to the periphery of the outer rotor, and the fan and the inner stator are at least partially overlapped in the axial direction.

Compared with the prior art, the invention has the following beneficial effects: the picking device is connected to the air inlet, the leaf collecting bag is connected to the air outlet, the picking device comprises a shell extending along the axial direction, a movable cutter head positioned in the shell and a static cutter head connected to the shell, the movable cutter head is connected to the front end of a motor shaft, and the movable cutter head is driven by a motor to move relative to the static cutter head; namely, the motor drives the fan and the movable cutter to rotate simultaneously. The tea leaves are broken through the matching of the movable cutter head and the static cutter head, so that broken tea leaves cannot be produced, and the quality of the tea leaves is improved; the fan is an induced draft fan, and the tea leaves after being broken by the picking device directly enter the leaf collecting bag through the guide of the fan of the induced draft fan, so that the automatic collection function of the tea leaves is realized, and the picking efficiency of the tea leaves is ensured. Meanwhile, the static cutter head comprises a steel wire with certain elasticity, the rigidity of the static cutter head can be adjusted through an adjusting knob, under the combined action of the dynamic cutter head and the steel wire, the tender tea is broken and collected, and the old tea cannot be broken under the deformation of the steel wire, namely cannot be picked; thereby achieving the purpose of picking only tender tea and not picking old tea and improving the whole quality of picked tea.

[ description of the drawings ]

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings:

FIG. 1 is a schematic perspective view of a tea leaf picking machine according to a preferred embodiment of the present invention;

FIG. 2 is a cross-sectional view of the tea leaf picking machine shown in FIG. 1;

figure 3 is a cross-sectional view of the tea picking machine of figure 2 with the housing removed;

fig. 4 is a perspective view of a picking apparatus of the tea leaf picking machine shown in fig. 1;

FIG. 5 is an exploded schematic view of the picking apparatus shown in FIG. 4;

fig. 6 is a schematic perspective view of the tea picking machine of fig. 1 with the housing and shell removed.

Meaning of reference numerals in the drawings:

100. tea picking machine 1, blower 2, picking device 3, collecting bag 4, battery pack 10, housing 101, air inlet 102, air outlet 11, main body 12, grip 13, operation button 20, motor 21, motor shaft 22, outer rotor 23, inner stator 30, fan 40, transmission mechanism 50, housing 51, side wall 52, end wall 53, fixing plate 54, accommodation chamber 55, feed port 60, movable cutter head 61, rotation shaft 62, breaking rod 63, bearing 70, stationary cutter head 71, filament 72, adjusting knob

Detailed description of the preferred embodiments

The terminology used in the present invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Words such as "upper", "lower", "front", "rear", etc., indicating an azimuth or a positional relationship are based on only the azimuth or the positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus/elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.

Referring to FIG. 1, a tea leaf picker 100 according to the present invention is shown for picking tea leaves from tea trees. The tea picking machine 100 comprises a fan 1, a picking device 2 connected to the fan 1 and a leaf collecting bag 3, wherein the picking device 2 is used for breaking and picking tea leaves on tea trees, and the leaf collecting bag 3 is used for collecting broken tea leaves. The tea picking machine 100 further comprises a battery pack 4 connected to the rear side of the fan 1, and the battery pack 4 is used for supplying power to the fan 1 so as to ensure the normal operation of the fan 1 and the picking device 2.

Referring to fig. 1 to 2, the fan 1 includes a housing 10, a motor 20 disposed in the housing 10, and a fan 30 and a transmission mechanism 40 connected to the motor 20, wherein the motor 20 drives the fan 30 and the transmission mechanism 40 to operate simultaneously. The housing 10 includes a main body 11 and a grip 12 connected to the upper side of the main body 11, and the motor 20, the fan 30 and the transmission mechanism 40 are accommodated in the main body 11. The holding part 12 is used for holding when a user operates and is provided with an operation button 13, and the operation button 13 is operated by the user to control the start and stop of the tea picking machine 100.

Meanwhile, the housing 10 is further provided with an air inlet 101 and an air outlet 102 located on the main body 11, and external air flows into the main body 11 of the housing 10 from the air inlet 101 and flows out from the air outlet 102. The picking device 2 is connected to the air inlet 101, and the leaf collecting bag 3 is connected to the air outlet 102, so that the tea broken by the picking device 2 is collected into the leaf collecting bag 3 through the air inlet 101 and the air outlet 102 of the shell 10 along with the driving of the outside air.

Referring to fig. 6, the motor 20 is an external rotor motor, and the motor 20 includes a motor shaft 21 extending in an axial direction, an external rotor 22 fixedly connected to the motor shaft 21, and an internal stator 23 fixed in the main body 11 of the housing 10, wherein the external rotor 22 drives the motor shaft 21 to rotate relative to the internal stator 23. The front end of the motor shaft 21 extends into the air inlet 101 and is connected to the transmission mechanism 40 to drive the transmission mechanism 40 to operate. The fan 30 is a centrifugal fan, the fan 30 is fixedly connected to the outer circumference of the outer rotor 22, and the fan 30 is at least partially overlapped with the inner stator 23 in the axial direction. The fan 30 is driven by the motor 20 to flow outside air from the air inlet 101 into the main body 11 of the housing 10 and out of the air outlet 102.

The transmission mechanism 40 is a planetary gear train mechanism and is disposed at the air inlet 101 of the housing 10, the transmission mechanism 40 is located between the motor 20 and the movable cutter head 60 of the picking device 2, one end of the transmission mechanism 40 is connected to the front end of the motor shaft 21, and the other end is connected to the rear end of the rotating shaft 61 of the movable cutter head 60. The motor 20 drives the movable cutter head 60 of the picking device 2 to operate through the transmission mechanism 40.

Referring to fig. 3 to 5, the picking device 2 includes a housing 50 extending along an axial direction, a movable cutter 60 disposed in the housing 50, and a stationary cutter 70 connected to the housing 50, wherein an axial rear end of the housing 50 is fixedly connected to an air inlet 101 of the housing 10. The casing 50 is provided with a side wall 51 extending along the axial direction, an end wall 52 positioned at the axial front end of the side wall 51, and a fixing plate 53 positioned at the axial rear end of the side wall 51, the fixing plate 53 is fixedly connected to the air inlet 101, the side wall 51, the end wall 52 and the fixing plate 53 enclose together to form a containing cavity 54, the containing cavity 54 is communicated with the air inlet 101, and the movable cutter head 60 is contained in the containing cavity 54.

The movable cutter head 60 is connected to the front end of the motor shaft 21 through a transmission mechanism 40, and the movable cutter head 60 is driven by the motor 20 to move relative to the stationary cutter head 70; the picking device 2 breaks the tea leaves through the matching of the movable cutter head 60 and the static cutter head 70, and does not produce finely broken tea leaves, so that the quality of the tea leaves is improved. The movable cutter head 60 includes a rotation shaft 61 extending in the axial direction and a breaking bar 62, and the breaking bar 62 is offset from the rotation shaft 61. The two axial ends of the rotating shaft 61 are fixed in the housing 50 through bearings 63, and the axial rear end of the rotating shaft 61 is connected to the front end of the motor shaft 21 through a transmission mechanism 40, that is, the motor 20 drives the rotating shaft 61 to rotate through the motor shaft 21. The two axial ends of the breaking rod 62 are connected to the rotating shaft 61, that is, the breaking rod 62 is driven to do circular motion around the rotating axis of the rotating shaft 61 when the rotating shaft 61 rotates.

The shell 50 is provided with a feed inlet 55 positioned on the side wall 51, the feed inlet 55 is communicated with the accommodating cavity 54, the motor 20 drives the fan 30 and the movable cutter head 60 to rotate at the same time, namely, outside air drives broken tea leaves to flow into the accommodating cavity 54 from the feed inlet 55, then flow through the air inlet 101 into the main body 11 of the shell 10 and flow into the leaf collecting bag 3 from the air outlet 102; the automatic collection function of the tea is realized, so that the picking efficiency of the tea is ensured.

Referring to fig. 5, the static cutter head 70 includes a filament 71 positioned at the edge of the feed port 55 and an adjusting knob 72 fixed to the axial front end of the filament 71; the filaments 71 are steel wires having a certain elasticity, and the axial rear ends of the filaments 71 are fixed to the fixing plate 53. The adjustment knob 72 is connected to the end wall 52 and has an axial movement relative to the end wall 52; when the adjusting knob 72 moves axially relative to the end wall 52, the rigidity of the thread 71 can be adjusted, under the combined action of the movable cutter head 60 and the thread 71, the tender tea is broken and collected, and the old tea cannot be broken under the deformation of the thread 71, so that the old tea cannot be picked; thereby achieving the purpose of picking only tender tea and not picking old tea and improving the whole quality of picked tea.

In the invention, the picking device 2 is connected with the air inlet 101 and the leaf collecting bag 3 is connected with the air outlet 102, and the picking device 2 comprises a shell 50 extending along the axial direction, a movable cutter head 60 positioned in the shell 50 and a static cutter head 70 connected with the shell 50; the movable cutter head 60 is connected to the front end of the motor shaft 21, and the movable cutter head 60 is driven by the motor 20 to move relative to the stationary cutter head 70; i.e. the motor 20 drives the rotation of the fan 30 and the movable cutter 60 simultaneously. The picking device 2 breaks the tea leaves through the matching of the movable cutter head 60 and the static cutter head 70, and does not produce finely broken tea leaves, so that the quality of the tea leaves is improved.

The fan 1 is an induced draft fan, and the tea leaves after being broken by the picking device 2 are guided by the fan 30 of the induced draft fan to directly enter the leaf collecting bag 3, so that the automatic collection function of the tea leaves is realized, and the picking efficiency of the tea leaves is ensured. Meanwhile, the static cutter head 70 comprises a steel wire with certain elasticity, the rigidity of the static cutter head can be adjusted through the adjusting knob 72, under the combined action of the dynamic cutter head 60 and the steel wire, the tender tea is broken and collected, and the old tea cannot be broken under the deformation of the steel wire, so that the old tea cannot be picked; thereby achieving the purpose of picking only tender tea and not picking old tea and improving the whole quality of picked tea.

The present invention is not limited to the above-described embodiments. Those of ordinary skill in the art will readily appreciate that there are numerous alternatives to the tea picking machine of the present invention without departing from the spirit and scope of the present invention. The protection scope of the present invention is subject to the claims.

Claims

1. The utility model provides a tealeaves picking machine, includes the fan and connects in picking device and collection leaf bag of fan, the fan includes the casing, is located the motor of casing and connect in the fan of motor, the casing is equipped with air intake and air outlet, the motor is equipped with the motor shaft that extends along the axial, the front end of motor shaft extends into the air intake, the fan is driven by the motor to with air from the air intake flows in the casing and from the air outlet; the method is characterized in that: the picking device is detachably connected to the air inlet, the leaf collecting bag is connected to the air outlet, the picking device comprises a shell extending along the axial direction, a movable cutter head positioned in the shell and a static cutter head connected to the shell, the movable cutter head is connected to the front end of a motor shaft, the movable cutter head is driven by the motor to move relative to the static cutter head, the motor is an outer rotor motor, the fan is fixedly connected to the periphery of the motor, and the motor, the fan and the movable cutter head rotate around the same axis; the shell is provided with a side wall extending along the axial direction, an end wall positioned at the axial front end of the side wall and a feed inlet positioned on the side wall, the static cutter head comprises a filament positioned at the edge of the feed inlet and an adjusting knob fixed at the axial front end of the filament, the filament is a steel wire with certain elasticity, and the adjusting knob is connected to the end wall and moves axially relative to the end wall so as to adjust the rigidity of the filament.

2. A tea leaf picking machine as claimed in claim 1 wherein: the shell is provided with a fixed plate positioned at the axial rear end of the side wall, the fixed plate is fixedly connected with the air inlet, the side wall, the end wall and the fixed plate enclose together to form a containing cavity, and the containing cavity is communicated with the air inlet.

3. A tea leaf picking machine as claimed in claim 2 wherein: the feed inlet is communicated with the accommodating cavity, the axial rear end of the filament is fixed on the fixed plate, and the adjusting knob has axial movement relative to the end wall.

4. A tea leaf picking machine as claimed in claim 3 wherein: the motor drives the fan and the movable cutter head to rotate simultaneously, and air flows into the accommodating cavity from the feed inlet, flows through the air inlet into the shell and flows out from the air outlet.

5. A tea leaf picking machine as claimed in claim 2 wherein: the movable cutter head is accommodated in the accommodating cavity and comprises a rotating shaft and a breaking rod which extend along the axial direction, the breaking rod and the rotating shaft are arranged in an offset mode, and two axial ends of the breaking rod are connected with the rotating shaft.

6. A tea leaf picking machine as claimed in claim 5 wherein: the axial both ends of axis of rotation pass through the bearing to be fixed in the shell, just the axial rear end of axis of rotation connect in the front end of motor shaft, the motor passes through the motor shaft drive the axis of rotation is rotatory, so as to drive the breaking pole is around the axis of rotation of axis of rotation makes circular motion.

7. A tea leaf picking machine as claimed in claim 6 wherein: the tea picking machine further comprises a transmission mechanism located at the air inlet, the transmission mechanism is a planetary gear train mechanism and located between the motor and the movable cutter head, one end of the transmission mechanism is connected to the front end of the motor shaft, and the other end of the transmission mechanism is connected to the rear end of the rotating shaft.

8. A tea leaf picking machine as claimed in claim 1 wherein: the motor comprises an outer rotor fixedly connected with the motor shaft and an inner stator fixed in the shell, and the outer rotor drives the motor shaft to rotate relative to the inner stator.

9. A tea leaf picking machine as claimed in claim 8 wherein: the fan is a centrifugal fan, the fan is fixedly connected to the periphery of the outer rotor, and the fan and the inner stator are at least partially overlapped in the axial direction.