Public tea harvesting device capable of adjusting cutting angle

Abstract

The invention discloses a popular tea harvesting device capable of adjusting a cutting angle, and relates to the technical field of tea harvesting. The device comprises a main body frame, an advancing mechanism is arranged at the bottom of the main body frame, a saw blade assembly and a power transmission mechanism are arranged on the main body frame, a freedom degree adjusting mechanism for the saw blade assembly is further arranged on the main body frame, and a tea leaf collecting mechanism is further arranged on the main body frame; the saw blade assembly comprises a fixed saw blade and a movable saw blade; according to the tea leaf collecting device, a fixed ring in the power transmission mechanism reciprocates, the fixed ring enables a moving saw blade in the saw blade assembly to synchronously reciprocate through a driving handle, tea leaves are continuously cut in cooperation with the action of the fixed saw blade, and automatic collection of the tea leaves is completed in cooperation with a guide box, a fan set, a hollow hose and a collecting box in the tea leaf collecting mechanism; therefore, continuous cutting and automatic collection of tea leaves are conveniently achieved, tea leaf picking and collecting work is rapidly and effectively completed, the tea leaf recovery efficiency is improved, and meanwhile it is ensured that tea trees are attractive.

Description

Technical Field

[0001] The invention relates to the technical field of tea harvesting, in particular to a popular tea harvesting device capable of adjusting a cutting angle. Background Art

[0002] Tea picking is mainly divided into two categories: manual picking and mechanized picking. Manual picking has a long history and good quality but low efficiency, while mechanized picking is more efficient. Tea pluckers are crop harvesting machines that pick new and tender tea leaves from the tops of tea trees. They are divided into two categories according to different picking methods: selective tea pluckers and non-selective tea pluckers. Selective tea pluckers include breaking type and friction type. The former uses the bending and breaking principle to pick fresh and tender tea leaves while retaining thick and old leaves. The latter uses a pair of elastic picking fingers to clamp the tea leaves and relies on the static friction between the picking fingers and the tea leaves to pick new leaves while retaining old leaves and young buds. Due to low production efficiency and high requirements for tea garden operating conditions, selective tea pluckers have not been widely promoted. Tea picking machines are generally divided into reciprocating cutting tea picking machines, hook knife cutting tea picking machines and spiral rolling cutting tea picking machines according to their types. Among them, the reciprocating cutting tea picking machine is driven by a micro-motor, and the power is transmitted to the hand-held picking device by a flexible shaft, driving the cutter (two types of double-moving knives and single-moving knives) and the leaf collecting device to reciprocate. The picked tea leaves are sent into the leaf collecting bag under the action of the fan or sweeping impeller. The picking quality is good, and the bud and leaf integrity rate can reach about 70%. It is the main type of non-selective tea picking machine development. However, this type of tea picking machine still has some defects: When the reciprocating cutting tea-picking machine is used to harvest tea leaves, the double-moving blade and the single-moving blade are mostly equipped with a linear reciprocating saw, and the tea leaves are harvested by the reciprocating motion of the linear reciprocating saw. After the linear reciprocating saw harvests the tea leaves by reciprocating motion, the top of the tea tree is horizontal along the moving direction of the tea-picking machine. At the same time, due to the different heights of the individual tea trees and the different height distributions of the buds and leaves, the harvesting rate of the tea leaves is affected to a certain extent, and the aesthetics of the harvested tea trees is poor. Meanwhile, the linear reciprocating saw of the reciprocating cutting tea picking machine cannot be adjusted in multiple directions, so that the machine can only pick tea leaves on flat ground, but cannot be used for picking tea leaves on bumpy roads.

[0003] In view of the above problems, the inventor proposes a popular tea harvesting device with adjustable cutting angle to solve the above problems. Summary of the invention

[0004] In order to solve the above problems, the object of the present invention is to provide a popular tea harvesting device with adjustable cutting angle.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions: a popular tea harvesting device capable of adjusting the cutting angle, comprising a main frame, a traveling mechanism is provided at the bottom of the main frame, a saw blade assembly and a power transmission mechanism are provided on the main frame, a degree of freedom adjustment mechanism for the saw blade assembly is also provided on the main frame, and a tea leaf collecting mechanism is also provided on the main frame; The saw blade assembly comprises a fixed saw blade and a movable saw blade, the fixed saw blade and the movable saw blade are arc-shaped saws, the lower surface of the movable saw blade is in movable contact with the upper surface of the fixed saw blade, the fixed saw blade is provided with a waist groove, a movable block is slidably installed in the waist groove, a screw is threadedly installed on the movable block, an insertion hole is provided on the movable saw blade, one end of the screw passes through the insertion hole, and a locking nut is threadedly installed on one end of the screw; The power transmission mechanism comprises a fixed shell and a movable shell, the movable shell is detachably mounted on the upper surface of the fixed shell by bolts, one end of the fixed saw blade is fixed in the fixed shell by bolts, a fixed ring is arranged in the fixed shell, a fisheye bearing is fixedly mounted on the fixed ring, a rotating disk is fixedly mounted on the inner ring of the fisheye bearing, a connecting shaft is fixedly mounted at the eccentric part of the rotating disk, a driving handle is fixedly mounted on the outer wall of the fixed ring, and one end of the driving handle is fixedly connected to one end of the moving saw blade; A brushless motor is fixedly mounted on the movable shell, a driving gear is fixedly mounted on the driving output end of the brushless motor, a passive gear is rotatably mounted in the fixed shell, the driving gear is meshed and connected with the passive gear, and one end of the connecting shaft is fixedly connected to the axis of the passive gear.

[0006] Preferably, the travel mechanism includes four L-shaped frames, the four L-shaped frames are fixedly installed at the bottom of the main frame, U-shaped sleeves are provided in the four L-shaped frames, fixed shafts are fixedly installed in the four U-shaped sleeves, walking wheels are rotatably installed on the four fixed shafts, and two spring suspensions are fixedly installed on the lower surfaces of the four L-shaped frames, wherein one end of two adjacent spring suspensions is fixedly connected to a U-shaped sleeve.

[0007] Preferably, two guide rails are fixedly mounted on one side of each of the four L-shaped frames, and guide blocks are slidably mounted on the guide rails, wherein one side of two adjacent guide blocks is fixedly connected to one side of a U-shaped sleeve.

[0008] Preferably, the freedom adjustment mechanism includes two frames, the two frames are fixedly installed on one side of the main frame, a first motor is fixedly installed on one side of the two frames, a first sliding block is slidably installed on one side of the two frames, a first lead screw is rotatably installed on one side of the two frames, a driving output end of the first motor is fixedly connected to one end of the first lead screw, and the first lead screw passes through the first sliding block and is threadedly rotatably connected to the first sliding block.

[0009] Preferably, an L-shaped lifting frame is fixedly installed on one side of the two first sliding blocks, a second motor is fixedly installed on one end of the L-shaped lifting frame, a second sliding block is slidably installed on the L-shaped lifting frame, a second lead screw is rotatably installed on the L-shaped lifting frame, a driving output end of the second motor is fixedly connected to one end of the second lead screw, and the second lead screw passes through the second sliding block and is threadedly rotatably connected to the second sliding block.

[0010] Preferably, a circular fixing frame is fixedly installed on the lower surface of the second sliding block, a third motor is fixedly installed inside the circular fixing frame, a first gear is fixedly installed on the driving output end of the third motor, a second gear is rotatably installed on one side of the circular fixing frame, and the first gear is meshingly connected with the second gear.

[0011] Preferably, an angle bracket is fixedly mounted on one side of the second gear, a fourth motor is fixedly mounted on the angle bracket, a connecting bracket is fixedly mounted on the driving output end of the fourth motor, and one side of the connecting bracket is detachably mounted on the movable shell by bolts.

[0012] Preferably, the tea collection mechanism includes a guide box, which is arranged on one side of the main frame, and the movable saw blade is detachably mounted below the opening of the guide box by bolts, a fan group is fixedly mounted on the opening side of the guide box, and two hollow hoses are fixedly mounted on the other side of the guide box, and one end of the two hollow hoses away from the guide box is fixedly mounted on the inner wall of the main frame through a connecting piece, and collecting boxes are fixedly mounted on both sides of the main frame, and one end of one of the hollow hoses vertically corresponds to the opening of a collecting box.

[0013] Compared with the prior art, the present invention has the following beneficial effects: (1) In the present invention, the reciprocating movement of the fixed ring in the power transmission mechanism causes the moving saw blade in the saw blade assembly to reciprocate synchronously through the driving handle, and cooperates with the fixed saw blade to continuously cut the tea leaves. Cooperating with the guide box, fan group, hollow hose and collection box in the tea collection mechanism, the tea leaves are automatically collected, thereby conveniently realizing the continuous cutting and automatic collection of tea leaves, completing the tea picking and collection work quickly and effectively, improving the tea picking rate, and ensuring the beauty of the tea trees; (2) In the present invention, the saw blade assembly and the guide box are adjusted in multiple directions through the action of the degree of freedom adjustment mechanism, so that the opening side of the guide box corresponds to the position where the tea leaves are to be cut, thereby ensuring that the tea leaves can be collected on potholes or inclined roads, thereby improving the flexibility of the tea harvesting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 The present invention is a schematic diagram of the overall structure of a popular tea harvesting device capable of adjusting the cutting angle.

[0016] Figure 2 This is another overall structural schematic diagram of a popular tea harvesting device capable of adjusting the cutting angle according to the present invention.

[0017] Figure 3 It is a structural schematic diagram of the saw blade assembly, power transmission mechanism and freedom adjustment mechanism of the present invention.

[0018] Figure 4 It is a schematic diagram of the separation structure of the movable saw blade and the fixed saw blade of the present invention.

[0019] Figure 5 It is a schematic diagram of the separation of the movable shell and the fixed shell and the connection structure of the power transmission mechanism of the present invention.

[0020] Figure 6 For the present invention Figure 5 A magnified schematic diagram of part A in FIG.

[0021] Figure 7 It is a structural schematic diagram of the tea leaf collecting mechanism of the present invention.

[0022] Figure 8 It is a structural schematic diagram of the traveling mechanism of the present invention.

[0023] In the figure: 1. main frame; 2. travel mechanism; 3. saw blade assembly; 4. power transmission mechanism; 5. degree of freedom adjustment mechanism; 7. tea collection mechanism; 21. L-shaped frame; 22. U-shaped sleeve; 23. fixed shaft; 24. walking wheel; 25. spring suspension; 26. guide rail; 27. guide block; 31. fixed saw blade; 32. moving saw blade; 33. waist groove; 34. movable block; 35. screw; 36. through hole; 37. anti-loosening nut; 41. fixed shell; 42. movable shell; 43. fixed ring; 431. fisheye bearing; 44. rotating Plate; 45, connecting shaft; 46, driving handle; 47, brushless motor; 48, driving gear; 49, passive gear; 51, frame; 52, first motor; 53, first sliding block; 54, first screw; 55, L-shaped lifting frame; 56, second motor; 57, second sliding block; 58, second screw; 59, circular fixing frame; 6, third motor; 61, first gear; 62, second gear; 63, angle bracket; 64, fourth motor; 65, connecting frame; 71, guide box; 72, fan assembly; 73, hollow hose; 74, collection box. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] Example: Figure 1-8 As shown, the present invention provides a popular tea harvesting device capable of adjusting the cutting angle, comprising a main frame 1, a traveling mechanism 2 is arranged at the bottom of the main frame 1, by arranging the traveling mechanism 2, the traveling mechanism 2 can ensure that the main frame 1 passes through a road with a bad road condition smoothly, reduce the impact on the main frame 1, improve the comfort of the main frame 1, and improve the driving stability of the main frame 1, a saw blade assembly 3 and a power transmission mechanism 4 are respectively arranged on the main frame 1, by arranging the saw blade assembly 3 and the power transmission mechanism 4, the power transmission mechanism 4 can drive the saw blade assembly 3, and through the continuous cutting of the saw blade assembly 3, the tea picking and collecting work is completed quickly and effectively, the tea picking rate is improved, and the beauty of the tea tree is ensured at the same time, the main frame 1 is also provided with a degree of freedom adjustment mechanism 5 for the saw blade assembly 3, by arranging the degree of freedom adjustment mechanism 5, the degree of freedom adjustment mechanism 5 can adjust the saw blade assembly 3 in multiple directions, compensate for the top shape of the tea tree and the front and rear tilt of the vehicle, and the main frame 1 is also provided with a tea collection mechanism 7, by arranging the tea collection mechanism 7, the tea collection mechanism 7 can collect the collected tea leaves; The saw blade assembly 3 includes a fixed saw blade 31 and a movable saw blade 32. The fixed saw blade 31 and the movable saw blade 32 are arc saws. The lower surface of the movable saw blade 32 is in movable contact with the upper surface of the fixed saw blade 31. The fixed saw blade 31 is provided with a waist groove 33. A movable block 34 is slidably installed in the waist groove 33. A screw 35 is threadedly installed on the movable block 34. An insertion hole 36 is provided on the movable saw blade 32. One end of the screw 35 passes through the insertion hole 36. A lock nut 37 is threadedly installed on one end of the screw 35. A gap of less than 0.5 mm is reserved between the lock nut 37 and the movable saw blade 32, so that the movable saw blade 32 has a certain upward and downward movable space to ensure the reciprocating movement of the movable saw blade 32. By setting the waist groove 33, when the movable saw blade 32 reciprocates on the fixed saw blade 31, the movable saw blade 32 can make the movable block 34 slide in the waist groove 33 through the screw 35, so that the movable saw blade 32 maintains a certain movable space. The power transmission mechanism 4 includes a fixed shell 41 and a movable shell 42. The movable shell 42 is detachably mounted on the upper surface of the fixed shell 41 by bolts. One end of the fixed saw blade 31 is fixed in the fixed shell 41 by bolts. A fixed ring 43 is provided in the fixed shell 41. A fisheye bearing 431 is fixedly mounted on the fixed ring 43. A rotating disk 44 is fixedly mounted on the inner ring of the fisheye bearing 431. A connecting shaft 45 is fixedly mounted at the eccentric part of the rotating disk 44. A driving handle 46 is fixedly mounted on the outer wall of the fixed ring 43. One end of the driving handle 46 is fixedly connected to one end of the moving saw blade 32. By driving the connecting shaft 45 to rotate, the connecting shaft 45 can drive the rotating disk 44 to move eccentrically. The rotating disk 44 can make the fixed ring 43 reciprocate in the fixed shell 41 and the movable shell 42 through the fisheye bearing 431. A brushless motor 47 is fixedly mounted on the movable shell 42, a driving gear 48 is fixedly mounted on the driving output end of the brushless motor 47, a passive gear 49 is rotatably mounted in the fixed shell 41, the driving gear 48 is meshed and connected with the passive gear 49, one end of the connecting shaft 45 is fixedly connected to the axis of the passive gear 49, by turning on the brushless motor 47, the driving shaft of the brushless motor 47 can rotate the driving gear 48, the driving gear 48 can rotate the passive gear 49, and the passive gear 49 can make the rotating disk 44 move eccentrically through the connecting shaft 45.

[0026] The traveling mechanism 2 includes four L-shaped frames 21, and the four L-shaped frames 21 are fixedly installed at the bottom of the main frame 1. U-shaped sleeves 22 are provided in the four L-shaped frames 21, and fixed shafts 23 are fixedly installed in the four U-shaped sleeves 22. Travel wheels 24 are rotatably installed on the four fixed shafts 23. Two spring suspensions 25 are fixedly installed on the lower surfaces of the four L-shaped frames 21, wherein one end of two adjacent spring suspensions 25 is fixedly connected to a U-shaped sleeve 22. By setting the spring suspension 25, when the travel wheel 24 moves on the road and encounters a bumpy road surface, the spring suspension 25 can improve the stability of the main frame 1. At the same time, the four travel wheels 24 are independently separated, further improving the stability of the main frame 1.

[0027] Two guide rails 26 are fixedly installed on one side of the four L-shaped frames 21, and a guide block 27 is slidably installed on the guide rail 26, wherein one side of two adjacent guide blocks 27 is fixedly connected to one side of a U-shaped sleeve 22. By setting the guide rails 26 and the guide blocks 27, the guide blocks 27 can slide vertically on the guide rails 26, so that the walking wheels 24 can be guided vertically through the U-shaped sleeve 22, so that the walking wheels 24 can maintain vertical lifting during the movement.

[0028] The degree of freedom adjustment mechanism 5 includes two frames 51, and the two frames 51 are fixedly installed on one side of the main frame 1. A first motor 52 is fixedly installed on one side of the two frames 51, and a first sliding block 53 is slidably installed on one side of the two frames 51. A first lead screw 54 is rotatably installed on one side of the two frames 51. The driving output end of the first motor 52 is fixedly connected to one end of the first lead screw 54, and the first lead screw 54 passes through the first sliding block 53 and is threadedly rotatably connected to the first sliding block 53. By turning on the first motor 52, the first motor 52 can rotate the first lead screw 54, and the first lead screw 54 can drive the first sliding block 53 to slide vertically. The first sliding block 53 can make the power transmission mechanism 4 and the saw blade assembly 3 rise and fall vertically synchronously.

[0029] An L-shaped lifting frame 55 is fixedly installed on one side of the two first sliding blocks 53, and a second motor 56 is fixedly installed on one end of the L-shaped lifting frame 55. A second sliding block 57 is slidably installed on the L-shaped lifting frame 55, and a second lead screw 58 is rotatably installed on the L-shaped lifting frame 55. The driving output end of the second motor 56 is fixedly connected to one end of the second lead screw 58, and the second lead screw 58 passes through the second sliding block 57 and is threadedly rotatably connected to the second sliding block 57. When the first sliding block 53 is lifted vertically, the first sliding block 53 can make the L-shaped lifting frame 55, the second motor 56, the second sliding block 57 and the second lead screw 58 synchronously lift vertically. By turning on the second motor 56, the driving shaft of the second motor 56 can rotate the second lead screw 58, and the second lead screw 58 can make the second sliding block 57 slide horizontally, thereby enabling the power transmission mechanism 4 and the saw blade assembly 3 to move horizontally.

[0030] A circular fixing frame 59 is fixedly installed on the lower surface of the second sliding block 57, and a third motor 6 is fixedly installed inside the circular fixing frame 59. A first gear 61 is fixedly installed on the driving output end of the third motor 6. A second gear 62 is rotatably installed on one side of the circular fixing frame 59. The first gear 61 is meshed and connected with the second gear 62. When the second sliding block 57 slides horizontally, the second sliding block 57 can make the circular fixing frame 59, the third motor 6, the first gear 61 and the second gear 62 move horizontally synchronously. By turning on the third motor 6, the driving shaft of the third motor 6 can make the first gear 61 rotate, and the first gear 61 can drive the second gear 62 to rotate, so that the power transmission mechanism 4 and the saw blade assembly 3 can rotate with the axis of the second gear 62 as the center of the circle.

[0031] An angle bracket 63 is fixedly installed on one side of the second gear 62, and a fourth motor 64 is fixedly installed on the angle bracket 63. A connecting bracket 65 is fixedly installed on the driving output end of the fourth motor 64. One side of the connecting bracket 65 is detachably mounted on the movable shell 42 by bolts. When the second gear 62 rotates, the second gear 62 can make the angle bracket 63, the fourth motor 64 and the connecting bracket 65 rotate with the axis center of the second gear 62 as the center of the circle. By turning on the fourth motor 64, the driving shaft of the fourth motor 64 can make the power transmission mechanism 4 and the saw blade assembly 3 rotate with the axis center of the driving shaft of the fourth motor 64 as the center of the circle through the connecting bracket 65.

[0032] The tea collection mechanism 7 includes a guide box 71, which is arranged on one side of the main frame 1. The moving saw blade 32 is detachably mounted below the opening of the guide box 71 by bolts. A fan group 72 is fixedly mounted on the opening side of the guide box 71. Two hollow hoses 73 are fixedly mounted on the other side of the guide box 71. One end of the two hollow hoses 73 away from the guide box 71 is fixedly mounted on the inner wall of the main frame 1 through a connector. Collection boxes 74 are fixedly mounted on both sides of the main frame 1. One end of one hollow hose 73 and the opening of one collection box 74 vertically correspond. By setting the guide box 71, the fan group 72, the hollow hose 73 and the collection box 74, when the moving saw blade 32 performs continuous cutting operation, the tea leaves that have been cut are pushed to the guide box 71 by the fan group 72 when it is started, and reach the collection box 74 after passing through the hollow hose 73, thereby completing the collection of the tea leaves. By setting the hollow hose 73, since the saw blade assembly 3 and the power transmission mechanism 4 have multiple degrees of freedom for adjustment, the hollow hose 73 made of soft material can provide a channel with high degrees of freedom.

[0033] Working principle: When tea picking is required, the tea picker first turns on the first motor 52, the first motor 52 rotates the first lead screw 54, the first lead screw 54 drives the first sliding block 53 to slide vertically, and the first sliding block 53 vertically lifts the power transmission mechanism 4 and the saw blade assembly 3 through the L-shaped lifting frame 55, the second motor 56, the second sliding block 57, the return-shaped fixing frame 59, the third motor 6, the first gear 61, the second gear 62, the angle frame 63, the fourth motor 64 and the connecting frame 65; The second motor 56 is turned on, and the driving shaft of the second motor 56 rotates the second lead screw 58, and the second lead screw 58 causes the second sliding block 57 to slide horizontally, and the second sliding block 57 causes the power transmission mechanism 4 and the saw blade assembly 3 to rise and fall vertically through the return-shaped fixing frame 59, the third motor 6, the first gear 61, the second gear 62, the angle frame 63, the fourth motor 64 and the connecting frame 65; The third motor 6 is turned on, and the driving shaft of the third motor 6 drives the second gear 62 to rotate through the first gear 61. The second gear 62 causes the power transmission mechanism 4 and the saw blade assembly 3 to rotate around the axis of the second gear 62 through the angle bracket 63, the fourth motor 64 and the connecting bracket 65; The fourth motor 64 is turned on, and the drive shaft of the fourth motor 64 causes the power transmission mechanism 4 and the saw blade assembly 3 to rotate around the axis of the drive shaft of the fourth motor 64 through the connecting frame 65; Through the cooperation of the first motor 52, the second motor 56, the third motor 6 and the fourth motor 64, the power transmission mechanism 4 and the saw blade assembly 3 are adjusted in multiple directions. At the same time, the guide box 71 changes position following the adjustment of the saw blade assembly 3. During the tea leaf collection process, the position of the guide box 71 is changed so that the cutting position of the tea leaves is opposite to the opening side of the guide box 71; At this time, the tea pickers turn on the brushless motor 47 and the fan assembly 72 at the same time. The driving shaft of the brushless motor 47 rotates the passive gear 49 through the active gear 48. The passive gear 49 makes the rotating disk 44 move eccentrically through the connecting shaft 45. The rotating disk 44 makes the fixed ring 43 reciprocate in the fixed shell 41 and the movable shell 42 through the fisheye bearing 431. The fixed ring 43 makes the moving saw blade 32 reciprocate synchronously through the driving handle 46. During the reciprocating motion, the moving saw blade 32 cooperates with the fixed saw blade 31 to continuously cut the tea leaves. At the same time, the push generated by the fan group 72 when it is started pushes the cut tea leaves toward the guide box 71, and reaches the collection box 74 after passing through the hollow hose 73, thus completing the collection of the tea leaves.

[0034] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A popular tea harvesting device capable of adjusting the cutting angle, comprising a main frame (1), characterized in that: A travel mechanism (2) is provided at the bottom of the main frame (1), a saw blade assembly (3) and a power transmission mechanism (4) are provided on the main frame (1), a degree of freedom adjustment mechanism (5) for the saw blade assembly (3) is also provided on the main frame (1), and a tea leaf collecting mechanism (7) is also provided on the main frame (1); The saw blade assembly (3) comprises a fixed saw blade (31) and a movable saw blade (32), the fixed saw blade (31) and the movable saw blade (32) being arc-shaped saws, the lower surface of the movable saw blade (32) being in movable contact with the upper surface of the fixed saw blade (31), the fixed saw blade (31) being provided with a waist groove (33), a movable block (34) being slidably mounted in the waist groove (33), a screw (35) being threadedly mounted on the movable block (34), an insertion hole (36) being provided on the movable saw blade (32), one end of the screw (35) passing through the insertion hole (36), and a locking nut (37) being threadedly mounted on one end of the screw (35); The power transmission mechanism (4) comprises a fixed shell (41) and a movable shell (42), the movable shell (42) being detachably mounted on the upper surface of the fixed shell (41) by means of bolts, one end of the fixed saw blade (31) being fixed in the fixed shell (41) by means of bolts, a fixed ring (43) being provided in the fixed shell (41), a fisheye bearing (431) being fixedly mounted on the fixed ring (43), a rotating disk (44) being fixedly mounted on the inner ring of the fisheye bearing (431), a connecting shaft (45) being fixedly mounted at an eccentric position of the rotating disk (44), a driving handle (46) being fixedly mounted on the outer wall of the fixed ring (43), one end of the driving handle (46) being fixedly connected to one end of the movable saw blade (32); A brushless motor (47) is fixedly mounted on the movable shell (42), a driving gear (48) is fixedly mounted on the drive output end of the brushless motor (47), a passive gear (49) is rotatably mounted in the fixed shell (41), the driving gear (48) is meshingly connected with the passive gear (49), and one end of the connecting shaft (45) is fixedly connected to the axis of the passive gear (49).

2. A popular tea harvesting device capable of adjusting cutting angles as claimed in claim 1, characterized in that: The travel mechanism (2) comprises four L-shaped frames (21), the four L-shaped frames (21) being fixedly mounted on the bottom of the main frame (1), the four L-shaped frames (21) being provided with U-shaped sleeves (22), the four U-shaped sleeves (22) being fixedly mounted with fixed shafts (23), the four fixed shafts (23) being rotatably mounted with travel wheels (24), and the lower surfaces of the four L-shaped frames (21) being fixedly mounted with two spring suspensions (25), wherein one end of two adjacent spring suspensions (25) is fixedly connected to a U-shaped sleeve (22).

3. A popular tea harvesting device capable of adjusting cutting angle as claimed in claim 2, characterized in that: Two guide rails (26) are fixedly mounted on one side of each of the four L-shaped frames (21), and guide blocks (27) are slidably mounted on the guide rails (26), wherein one side of two adjacent guide blocks (27) is fixedly connected to one side of a U-shaped sleeve (22).

4. A popular tea harvesting device capable of adjusting cutting angles as claimed in claim 1, characterized in that: The degree of freedom adjustment mechanism (5) comprises two frames (51), the two frames (51) are fixedly mounted on one side of the main frame (1), a first motor (52) is fixedly mounted on one side of the two frames (51), a first sliding block (53) is slidably mounted on one side of the two frames (51), a first lead screw (54) is rotatably mounted on one side of the two frames (51), a driving output end of the first motor (52) is fixedly connected to one end of the first lead screw (54), and the first lead screw (54) passes through the first sliding block (53) and is threadedly rotatably connected to the first sliding block (53).

5. A popular tea harvesting device capable of adjusting cutting angles as claimed in claim 4, characterized in that: An L-shaped lifting frame (55) is fixedly mounted on one side of the two first sliding blocks (53); a second motor (56) is fixedly mounted on one end of the L-shaped lifting frame (55); a second sliding block (57) is slidably mounted on the L-shaped lifting frame (55); a second lead screw (58) is rotatably mounted on the L-shaped lifting frame (55); a driving output end of the second motor (56) is fixedly connected to one end of the second lead screw (58); the second lead screw (58) passes through the second sliding block (57) and is threadedly rotatably connected to the second sliding block (57).

6. A popular tea harvesting device capable of adjusting cutting angles as claimed in claim 5, characterized in that: A circular fixing frame (59) is fixedly mounted on the lower surface of the second sliding block (57), a third motor (6) is fixedly mounted inside the circular fixing frame (59), a first gear (61) is fixedly mounted on the driving output end of the third motor (6), a second gear (62) is rotatably mounted on one side of the circular fixing frame (59), and the first gear (61) is meshingly connected with the second gear (62).

7. A popular tea harvesting device capable of adjusting cutting angles as claimed in claim 6, characterized in that: An angle bracket (63) is fixedly mounted on one side of the second gear (62), a fourth motor (64) is fixedly mounted on the angle bracket (63), a connecting bracket (65) is fixedly mounted on the drive output end of the fourth motor (64), and one side of the connecting bracket (65) is detachably mounted on the movable housing (42) by means of bolts.

8. The popular tea harvesting device capable of adjusting cutting angle as claimed in claim 1, characterized in that: The tea leaf collecting mechanism (7) comprises a guide box (71), the guide box (71) being arranged on one side of the main frame (1), the movable saw blade (32) being detachably mounted below the opening of the guide box (71) by means of bolts, a fan group (72) being fixedly mounted on the opening side of the guide box (71), two hollow hoses (73) being fixedly mounted on the other side of the guide box (71), one end of the two hollow hoses (73) being away from the guide box (71) being fixedly mounted on the inner wall of the main frame (1) by means of connecting pieces, and collecting boxes (74) being fixedly mounted on both sides of the main frame (1), one end of one of the hollow hoses (73) being vertically corresponding to the opening of one of the collecting boxes (74).

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