CN216362634U

CN216362634U - Tea-leaf picker blade and tea-leaf picker comprising same

Info

Publication number: CN216362634U
Application number: CN202123008540.9U
Authority: CN
Inventors: 郑连有; 翁晓星; 王刚; 张海霞
Original assignee: Jinhua Jiuqi Machinery Co ltd
Current assignee: Zhejiang Jiuqi Machinery Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-04-26
Anticipated expiration: 2031-12-01

Abstract

The utility model provides a tea-leaf picker blade and a tea-leaf picker comprising the same, wherein the blade comprises a blade mounting frame (9), an upper blade (6) and a lower blade (7), wherein the middle part of a blade main body is provided with a blade mounting hole, and the blade is mounted on an eccentric wheel through the blade mounting hole; the upper blade (6) and the lower blade (7) are arc-shaped, and the circular surface where the arc is positioned is vertical to the horizontal plane; in the using state, the rotation of the input shaft (1) is converted into the reciprocating motion of the upper and lower blades along the length direction of the upper and lower blades through the matching of the wheel shaft (8), the upper eccentric wheel (3) and the lower eccentric wheel (4). According to the tea-leaf picker blade, the arc-shaped design is adopted, the transmission mechanism is arranged in the middle of the blade instead of one end of the blade, automatic tea-leaf picking can be effectively realized, in addition, the arc-shaped blade is adopted, the matching degree of the blade angle and tea trees is good, and the operation efficiency is greatly improved.

Description

Tea-leaf picker blade and tea-leaf picker comprising same

[ technical field ] A method for producing a semiconductor device

The utility model relates to a tea-leaf picker, in particular to a novel tea-leaf picker blade and a tea-leaf picker comprising the same.

[ background of the utility model ]

The tea plucker is a crop harvesting machine for plucking fresh tea leaves from the top tips of tea trees. For example, chinese utility model patent CN201220223574.1 discloses a direct current tea-leaf picker, including dc motor, reduction gears, blade support, go up blade, bottom knife, transmission shaft, blade support is rectangular shape, blade support's middle part is equipped with two at least mounting holes, the main part of going up blade, bottom knife is rectangular shape, is equipped with two at least bar holes along length direction in the middle part of the blade main part, passes the bar hole with the bolt of mounting hole will go up blade, bottom knife are fixed in on the blade support, dc motor passes through the reduction gears drive the transmission shaft, be fixed with first eccentric wheel, second eccentric wheel on the transmission shaft, the one end of going up the blade cup joint in on the first eccentric wheel, the one end of bottom knife cup joint in on the second eccentric wheel. On the one hand, the blade of the tea plucking machine is flat and has a small contact surface with the end of the tea tree due to the fact that the tea tree usually has an arc shape at the top, the tea plucking efficiency is low, and on the other hand, the mounting point of the blade (i.e. the position of the eccentric on the blade) is located at one end of the blade rather than at the center of gravity, and as the working time is prolonged, the wear of the eccentric and the transmission shaft is severe, and the maintenance frequency of the equipment is high.

[ Utility model ] content

The utility model aims to overcome the defects of the prior art and provide the tea-picking machine blade which is higher in tea-picking efficiency, more convenient to use and easier to maintain.

The idea of the utility model is to improve the blade into a circular arc shape to adapt to most tea tree shapes on one hand, and to arrange the mounting point of the blade in the middle of the blade on the other hand, so as to further improve the tea picking efficiency.

Based on the above thought, the utility model provides a tea-leaf picker blade, which comprises an upper blade 6 and a lower blade 7, wherein the tea-leaf picker blade further comprises an input shaft 1 with one end connected with an output shaft of a motor, and a wheel shaft 8 fixedly connected with the other end of the input shaft 1 through a connector 2, and an upper eccentric wheel 3 and a lower eccentric wheel 4 are arranged on the wheel shaft 8;

the upper blade 6 comprises an upper blade main body 63 and an upper blade tooth 61 arranged on one side of the upper blade main body 63, an upper blade mounting hole 63 is arranged in the middle of the upper blade main body 63, and the upper blade 6 is mounted on the upper eccentric wheel 3 through the upper blade mounting hole 63; the lower blade 7 comprises a lower blade main body 73 and lower blade teeth 71 arranged on one side of the lower blade main body 73, a lower blade mounting hole 73 is formed in the middle of the lower blade main body 73, and the lower blade 7 is mounted on the lower eccentric wheel 4 through the lower blade mounting hole 73;

the upper blade 6 and the lower blade 7 are circular arcs, and the circular surfaces of the circular arcs are vertical to the horizontal plane;

during assembly, a wheel shaft 8 connected with the upper eccentric wheel 3 and the lower eccentric wheel 4 is arranged in a shell 9 of the tea-leaf picker, and the upper blade 6 and the lower blade 7 are respectively connected with the upper eccentric wheel 3 and the lower eccentric wheel 4;

in the use state, the rotation of the input shaft 1 is converted into the reciprocating motion of the upper and lower blades along the length direction thereof through the cooperation of the wheel shaft 8, the upper eccentric wheel 3 and the lower eccentric wheel 4.

As a preferred embodiment, the connector 2 is provided with an internal thread, and one ends of the input shaft 1 and the wheel shaft 8 connected to the connector 2 are respectively provided with an external thread, and the input shaft 1, the connector 2 and the wheel shaft 8 are connected together by a threaded connection.

In the present invention, an upper blade mounting hole 31 is provided in the upper eccentric wheel 3, and a lower blade mounting hole 41 is provided in the lower eccentric wheel 4. The eccentric wheel is fixedly connected with the blade through the matching of the mounting hole and the hole bolt.

According to a preferred embodiment, the radius of the arc of the upper blade and the lower blade is 1100mm-1200mm, preferably 1150-1200mm, to accommodate most tea tree morphology. As a particularly preferred option, a circular arc with a radius of 1150mm is selected.

In the present invention, the guide vane 5 has a V-shaped cross-sectional shape and is installed on the side of the hub 8 along the length direction of the hub 8, and the protruding end of the V-shaped guide vane 5 faces the upper blade 6 and the lower blade 7. The guide plate 5 can separate the tea leaves cut off by the blade from the wheel shaft 8, the connector 2 and other parts, so that the tea leaves are prevented from contacting with the parts, the tea leaves can conveniently enter a subsequent tea leaf collecting container, and the possible obstacles encountered by the tea leaves in the collecting process are reduced.

Based on the above, the utility model also provides a tea plucking machine comprising the tea plucking machine blade.

According to the tea-leaf picker blade, the arc-shaped design is adopted, the transmission mechanism is arranged in the middle of the blade instead of one end of the blade, and the rotation of the output shaft of the motor is converted into horizontal reciprocating motion of the upper blade and the lower blade through the matching of the input shaft, the wheel shaft and the eccentric wheel, so that automatic tea-leaf picking is realized, and the operation efficiency is effectively improved.

[ description of the drawings ]

FIG. 1 is a top view of a tea-plucking blade (assembled);

FIG. 2 is a front view of a tea-plucking blade;

FIG. 3 is a front view of the axle, upper eccentric and lower eccentric (assembled);

figure 4 is a top view of the axle, upper eccentric and lower eccentric (assembled);

FIG. 5A is a top view of the upper blade;

FIG. 5B is a cross-sectional view of the upper blade;

FIG. 6A is a top view of the lower blade;

FIG. 6B is a cross-sectional view of the lower blade;

FIG. 7 is a left side view of the blade of the tea-leaf picker;

FIG. 8A is a top view of the vane guide plate;

FIG. 8B is a left side view of the vane guide plate;

wherein, 1, an input shaft; 2. a connector; 3. an upper eccentric wheel; 31. an upper blade mounting hole; 4. a lower eccentric wheel; 41. a lower blade mounting hole; 5. a guide vane plate; 6. an upper blade; 61. upper blade teeth; 62. an upper blade mounting hole; 63. an upper blade body; 64. riveting; 7. a lower blade; 71. lower blade teeth; 72. a lower blade mounting hole; 73. a lower blade body; 8. a wheel axle; 9. a guide vane plate.

[ detailed description ] embodiments

The following examples serve to illustrate the technical solution of the present invention without limiting it.

Example 1

The tea-plucking machine blade shown in fig. 1 comprises an input shaft 1, a connector 2, a wheel shaft 8, an upper eccentric wheel 3, a lower eccentric wheel 4, an upper blade 6 and a lower blade 7.

In which a connector 2 shown in fig. 2 is provided with an internal thread, one ends of an input shaft 1 and an axle 8 are provided with an external thread, and the input shaft 1, the connector 2 and the axle 8 are connected together by a threaded connection.

As shown in fig. 3-4, the wheel shaft 8, the upper eccentric wheel 3 and the lower eccentric wheel 4 are combined into an eccentric device which can convert the rotation provided by the input shaft 1 into reciprocating motion, and the upper and lower blades are driven by the upper eccentric wheel 3 and the lower eccentric wheel 4 to reciprocate along the length direction of the upper and lower blades, so that the tea-picking action is realized.

As shown in fig. 2, the upper blade 6 and the lower blade 7 are circular arcs, and the circular planes of the circular arcs are perpendicular to the horizontal plane, so that in the use state, the circular arcs of the upper blade 6 and the lower blade 7 are basically consistent with the shape of the top of the tea tree, the contact range of the blades and the top of the tea tree is effectively enlarged, and the tea picking efficiency is improved.

The upper blade and the lower blade are respectively fixedly connected by the blade teeth and the blade body through rivets. The middle part of the blade main body is provided with a protruding part, the center of the protruding part is provided with a blade mounting hole, and the blade and the eccentric wheel are fixed through the mounting hole.

During installation, the connector 2, the axle 8, the upper eccentric wheel 3, the lower eccentric wheel 4, the upper blade 6 and the lower blade 7 are fixed together, and the two ends of the axle are fixed on the tea plucking machine through a conventional tea plucking machine housing 9 as shown in fig. 7. By the cooperation of the wheel shaft 8, the upper eccentric 3 and the lower eccentric 4, the rotation of the input shaft 1 is converted into the reciprocating motion of the upper and lower blades along their length direction.

When the tea plucking machine is used, the output end and the input end of a conventional tea plucking machine are connected, and the conventional and complete tea plucking operation is carried out.

According to the tea-leaf picker blade, the arc-shaped design is adopted, the transmission mechanism is arranged in the middle of the blade instead of one end of the blade, automatic tea-leaf picking can be effectively realized, in addition, the arc-shaped blade enables the blade angle and the tea tree to be well matched, and the operation efficiency is greatly improved.

Claims

1. A tea-leaf picker blade comprises an upper blade (6) and a lower blade (7), and is characterized by further comprising an input shaft (1) and a wheel shaft (8), wherein one end of the input shaft (1) is connected with an output shaft of a motor, the wheel shaft (8) is fixedly connected with the other end of the input shaft (1) through a connector (2), and an upper eccentric wheel (3) and a lower eccentric wheel (4) are arranged on the wheel shaft (8);

the upper blade (6) comprises an upper blade main body (63) and upper blade teeth (61) arranged on one side of the upper blade main body (63), an upper blade mounting hole (31) is formed in the middle of the upper blade main body (63), and the upper blade (6) is mounted on the upper eccentric wheel (3) through the upper blade mounting hole (31); the lower blade (7) comprises a lower blade main body (73) and lower blade teeth (71) arranged on one side of the lower blade main body (73), a lower blade mounting hole (41) is formed in the middle of the lower blade main body (73), and the lower blade (7) is mounted on the lower eccentric wheel (4) through the lower blade mounting hole (41);

the upper blade (6) and the lower blade (7) are arc-shaped, and the circular surface where the arc is positioned is vertical to the horizontal plane;

during assembly, a wheel shaft (8) connected with an upper eccentric wheel (3) and a lower eccentric wheel (4) is arranged in a tea-picking machine shell (9), and an upper blade (6) and a lower blade (7) are respectively connected with the upper eccentric wheel (3) and the lower eccentric wheel (4);

in the using state, the rotation of the input shaft (1) is converted into the reciprocating motion of the upper and lower blades along the length direction of the upper and lower blades through the matching of the wheel shaft (8), the upper eccentric wheel (3) and the lower eccentric wheel (4).

2. The tea plucker blade as claimed in claim 1, wherein the connector (2) is provided with an internal thread, and one ends of the input shaft (1) and the wheel shaft (8) connected to the connector (2) are respectively provided with an external thread, and the input shaft (1), the connector (2) and the wheel shaft (8) are connected together by a screw connection.

3. A tea-plucker blade as defined in claim 1, wherein the upper eccentric wheel (3) is provided with an upper blade mounting hole (31) therein, and the lower eccentric wheel (4) is provided with a lower blade mounting hole (41) therein.

4. The tea-leaf picker blade according to claim 1, wherein the radius of the circular arc is 1150-1200 mm.

5. The tea plucker blade as set forth in claim 1, further comprising a guide plate (5), the guide plate (5) having a V-shaped cross-sectional shape and being installed at one side of the hub (8) along the length direction of the hub (8), the protruding end of the guide plate (5) facing in the direction of the upper blade (6) and the lower blade (7).

6. A tea-leaf picker which is characterized in that: comprising the tea plucker blade of any one of claims 1 to 5.