Tea tree pruning and straw returning machine

Abstract

The invention discloses a tea tree pruning and straw returning machine which comprises a machine frame body, a walking unit and a pruning and smashing unit, wherein the walking unit and the pruning and smashing unit are installed on the machine frame body. The pruning and crushing unit comprises a box shell main body, a power driving module, and a cutting module, a transmission module and a crushing and returning module which are sequentially arranged in the box shell main body. The cutting module and the conveying module can be driven by the power driving module to sequentially complete cutting and guiding conveying operation of the cut branches on the tea trees. The smashing and field returning module is used for smashing the input cut branches and throwing the smashed powdery branches into a tea garden passageway. By arranging the cutting module, the conveying module and the smashing and returning module which are sequentially arranged in the box opening body, automatic cutting, conveying and smashing of cut branches of tea trees are achieved, and it is ensured that the cut branches can be stably conveyed and smashed and thrown into a tea garden passageway while the cutting efficiency of the cut branches is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of agricultural machinery, and in particular relates to a tea tree pruning and straw returning machine. Background Art

[0002] In tea garden management, it is necessary not only to prune the branches of tea trees, but also to weed and de-shrub the tea garden. During these operations, a large number of discarded tea tree shrub branches and weed stems will be left in the woods. These debris scattered randomly in the woods will hinder subsequent operations.

[0003] At present, most tea tree growers mainly deal with these debris by stacking them together, burning them in piles, or burying them on the spot, which not only causes safety hazards and environmental pollution, but also causes a large amount of waste of biomass resources. If these debris can be crushed and returned to the field and spread on the soil surface, it can not only turn waste into treasure and reduce the use of chemical fertilizers, but also have a positive effect on the maintenance of soil moisture. Therefore, it is urgent to develop tea forest debris crushing and returning machinery.

[0004] A Chinese patent with publication number "CN113892361A" discloses an integrated device for pruning and crushing tea garden branches, including a frame, a pruning bracket and a crushing bracket are provided on the frame, a saw blade is provided on the pruning bracket, a collecting plate is provided below the saw blade, a material receiving pipe is provided at the outlet of the collecting plate, a crushing box is provided at the outlet of the material receiving pipe, a group of crushing cutters and a drive shaft are built in the crushing box, and a material receiving box is provided below the crushing cutters.

[0005] In the above patent, two saw blades are arranged for pruning, so that the cut of the tea tree is smooth. The operator only needs to move the frame to prune, without holding a bulky chain saw, which is convenient and fast, and improves work efficiency. However, there is a long conveying channel between the saw blade and the crushing structure. When the number of cut tea branches is large, it is easy to get blocked in the channel, and it is difficult to ensure that the tea branches can be stably conveyed and crushed. Summary of the invention

[0006] In order to make up for the deficiencies of the prior art, the present invention provides a tea tree pruning and straw returning machine to solve technical problems such as tea tree branches being easily blocked in the channel during the pruning process and difficulty in ensuring that the tea tree branches can be crushed stably.

[0007] To achieve the above purpose, the specific technical solutions of the present invention are as follows: A tea tree pruning and straw returning machine comprises a frame body, and a walking unit and a pruning and crushing unit installed on the frame body. The walking unit is used to drive the pruning and crushing unit to walk in the field.

[0008] The pruning and crushing unit includes a box shell body, a power drive module, and a cutting module, a transmission module and a crushing and returning module which are sequentially arranged in the box shell body.

[0009] The cutting module and the transmission module can complete the cutting and guiding and conveying operations of the cut branches on the tea tree in sequence under the drive of the power driving module. The crushing and returning module is used to crush the input cut branches and throw the crushed powdered branches into the tea garden corridor.

[0010] Furthermore, the guide combing assembly includes a plurality of combing rollers and a plurality of fence guide rods. The combing rollers are arranged at intervals at the end of the box shell body and are rotatably matched with the box shell body. The combing rollers are connected by fence guide rods. The fence guide rods are evenly distributed along the circumference of the combing roller axis, and the inner circle area forms a temporary storage cavity.

[0011] Furthermore, the branch cutting assembly includes a tool seat and a cutting blade arranged along the length direction of the tool seat. The cutting blade can be driven by the power drive module to perform horizontal reciprocating motion along the direction parallel to the length of the input port of the box shell body, thereby completing the cutting operation of the cut branches extending into the temporary storage cavity.

[0012] Furthermore, the transmission module includes two conveying rollers arranged at intervals. Both conveying rollers are rotatably connected to the box shell body and are connected by a conveyor belt.

[0013] Furthermore, the power drive module includes a first drive assembly and a second drive assembly. The first drive assembly is used to provide motion power to the cutting blade, combing roller and conveying roller in the cutting module respectively. The second drive assembly is used to provide power to the crushing and returning module.

[0014] Furthermore, the crushing and returning module includes a crushing part and a crushing assembly. The crushing part is rotatably connected to the box shell body, and the bottom is spaced apart from the box shell body, thereby forming a combing channel with a gradually shrinking diameter in the direction from the branch cutting assembly to the crushing assembly. The crushing part can gradually comb and compress the cut branches when they are input, and convey the compressed cut branches to the crushing assembly for crushing.

[0015] Furthermore, the crushing assembly includes a crushing roller, a roller blade and a crushing bottom knife. The crushing roller is rotatably connected to the box shell body. Two crushing notches are provided on the outer wall of the crushing roller. The two crushing notches are axially symmetrically arranged. The roller blade is installed in the crushing notch and tilted outward. The roller blade can cooperate with the crushing bottom knife installed at the bottom of the crushing chamber during the rotation process to realize the crushing of the cut branches entering the crushing chamber.

[0016] Furthermore, the first driving assembly includes a cutting and combing motor and a cutting and combing gearbox. The cutting and combing motor is installed on the power input end of the cutting and combing gearbox to provide power to the cutting and combing gearbox. The cutting and combing gearbox is provided with three power output ends, namely a shearing power output end, a combing power output end and a transmission power output end. The shearing power output end is provided with a crank slider structure, which can switch the rotational force outputted from the shearing power output end into a horizontal reciprocating force.

[0017] Furthermore, the cutting and combing gearbox is provided with a first driving gear and two transmission gear sets meshing therewith. The two transmission gear sets are divided into a cutting transmission gear set and a transmission transmission gear set, which are used to provide power to the cutting module and the transmission module respectively. Two mutually meshing bevel gears are provided at the end of the cutting transmission gear set, which are used to switch the horizontal rotation force into the vertical rotation force, and then cooperate with the crank slider structure to realize the reciprocating cutting of the cutting blade.

[0018] Furthermore, the second driving assembly includes a crushing motor and a crushing gearbox. The crushing motor is installed on the power input end of the crushing gearbox to provide power to the crushing gearbox. The crushing gearbox has two power output ends, namely a crushing output end and a crushing output end. The crushing output end is connected to the crushing member through a belt transmission assembly. The crushing output end is connected to the crushing roller through a roller drive shaft.

[0019] Compared with the prior art, the present invention has the following advantages: 1. The present invention realizes the automatic cutting, conveying and crushing of the cut branches of tea trees by arranging a cutting module, a transmission module and a crushing and returning module which are arranged in sequence in the box body. While improving the cutting efficiency of the cut branches, it ensures that the cut branches can be stably conveyed and crushed and thrown into the tea garden corridor.

[0020] 2. The present invention provides an arc-shaped chute on the side wall of the box body. The end of the pressure roller passes through the chute and is connected to the second drive assembly through a belt drive. When in use, when a large number of cut branches enter the combing channel below the pressure roller, the pressure roller can be adaptively lifted under the push of the cut branches, effectively avoiding the clogging of the combing channel caused by the entry of a large number of cut branches. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 Schematic diagram of the relative positions of the branch cutting assembly and the guide combing assembly in the present invention; Figure 3 Schematic diagram of the relative positions of the crushing element and the crushing assembly in the present invention ( Figure 2Cross-sectional view in the AA direction); Figure 4 It is a structural schematic diagram of the guide combing component in the present invention; Figure 5 A bottom view of the branch cutting assembly and the guide combing assembly of the present invention; Figure 6 It is a structural schematic diagram of the cutting and combing gear box in the present invention; Figure 7 A side view of the cutting and combing gear box of the present invention; Figure 8 Schematic diagram of the relative positions of the crushing and returning module and the second driving assembly in the present invention; Fig. 9 It is a schematic diagram of the structure of the rolling element in the present invention; Fig.10 Schematic diagram of the relative position of the crushing roller in the box shell body in the present invention ( Figure 3 (partial enlarged view of part B in the middle); Fig.11 It is a schematic diagram of the structure of the crushing roller in the present invention; Fig.12 It is a schematic diagram of the structure of the crushing gear box in the present invention.

[0022] Figure numerals: 1, frame body; 2, walking unit; 3, box shell body; 4, cutting module; 5, transmission module; 6, crushing and returning module; 7, branch cutting assembly; 7-1, tool seat; 7-2, cutting blade; 8, guide combing assembly; 8-1, temporary storage cavity; 8-2, combing roller; 8-3, fence guide rod; 9, first drive assembly; 9-1, cutting combing motor; 9-2, cutting combing gear box; 9-3, first driving gear; 9-4, cutting transmission gear set; 9-5, transmission transmission gear Group; 9-6, bevel gear; 9-7, shear transmission shaft; 10, second drive assembly; 10-1, crushing motor; 10-2, crushing gear box; 10-3, input gear set; 10-4, output gear set; 10-5, gear box transmission shaft; 11, arc guide channel; 12, rolling piece; 12-1, pressure roller rib; 13, crushing assembly; 13-1, crushing hob; 13-2, crushing bottom knife; 13-3, hob blade; 13-4, crushing notch; 14, field return pipe; 15, cut branches. DETAILED DESCRIPTION

[0023] In the description of the present invention, it is necessary to understand that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "center", "end", "length", "outer end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] The present invention will be further described below in conjunction with the accompanying drawings.

[0025] like Figure 1 and 2 As shown, a tea tree pruning and straw returning machine includes a frame body 1, and a walking unit 2 and a pruning and crushing unit installed on the frame body 1. The frame body 1 includes a support bracket and a mounting bracket fixed at both ends of the support bracket. Two walking units 2 are respectively arranged at the bottom of the mounting bracket, and are used to drive the pruning and crushing unit installed on the support bracket to walk in the field.

[0026] like Figure 2 and 3 The pruning and crushing unit includes a box shell body 3, a power drive module, and a cutting module 4, a transmission module 5 and a crushing and returning module 6 arranged in sequence in the box body. Among them, the cutting module 4 and the transmission module 5 can complete the cutting and guiding and conveying operations in sequence under the drive of the power drive module. The cutting module 4 includes a branch cutting component 7 and a guide combing component 8. A temporary storage cavity 8-1 is provided on the guide combing component 8. When the branch combing component moves to the position of the cut tea tree under the drive of the walking unit 2, the cut branches 15 on the tea tree extend into the temporary storage cavity 8-1.

[0027] The branch cutting assembly 7 is used to cut the branches outside the tea tree and separate them from the cut branches 15 entering the temporary storage cavity 8-1. The cut branches 15 are transported to the transmission module 5 through the guide combing assembly 8, and gradually transported to the crushing and returning module 6. The crushing and returning module 6 crushes the input cut branches 15, and throws the crushed powdered branches backwards and into the tea garden corridor, finally realizing the crushing and returning of tea branches to the field.

[0028] Specific structure such as Figure 2 and 4As shown, the guide combing assembly 8 includes a plurality of combing rollers 8-2 and a plurality of fence guide rods 8-3. An input port that matches the combing rollers 8-2 is provided at the end of the box shell body 3. The combing rollers 8-2 are arranged in sequence along the length direction of the input port and are connected by fence guide rods 8-3. The fence guide rods 8-3 are evenly distributed along the circumference of the axis of the combing roller 8-2, and the inner circle area forms a temporary storage cavity 8-1.

[0029] When in use, the cut branches 15 extend from the interval area between two adjacent fence guide rods 8-3 into the temporary storage cavity 8-1. Driven by the power drive module, the branch cutting assembly 7 performs horizontal shearing, so that the cut branches 15 entering the temporary storage space are separated from the branches outside. At the same time, during the shearing process, the combing roller 8-2 rotates under the drive of the power drive module, thereby driving each fence guide rod 8-3 to rotate around the axis of the combing roller 8-2. The cut branches 15 slide down to the transmission module 5 under the action of centrifugal force.

[0030] like Figure 2 and 5 As shown, the branch cutting assembly 7 includes a tool seat 7-1 and a cutting blade 7-2 arranged along the length direction of the tool seat 7-1. The cutting blade 7-2 can be driven by the power drive module to perform horizontal reciprocating motion along the direction parallel to the length of the input port of the box shell body 3, thereby completing the cutting operation of the cut branches 15 extending into the temporary storage cavity 8-1.

[0031] like Figure 3 As shown, the transmission module 5 includes two conveying rollers arranged at intervals. Both conveying rollers are rotatably connected to the box shell body 3 and are connected by a conveyor belt. The conveying rollers can rotate under the drive of the power drive element, thereby driving the conveyor belt to move. The cut branches 15 that slide onto the conveyor belt are gradually transported to the crushing and returning module 6 under the drive of the conveyor belt.

[0032] In this embodiment, the power drive module includes a first drive assembly 9 and a second drive assembly 10. The first drive assembly 9 is used to provide power to the cutting blade 7-2, the combing roller 8-2 and the conveying roller in the cutting module 4. The second drive assembly 10 is used to provide power to the crushing and returning module 6.

[0033] like Figure 4 , 6As shown in Figure 7, the first driving assembly 9 includes a cutting and combing motor 9-1 and a cutting and combing gearbox 9-2. The cutting and combing motor 9-1 is installed on the power input end of the cutting and combing gearbox 9-2, and is used to provide power to the cutting and combing gearbox 9-2. The cutting and combing gearbox 9-2 is provided with three power output ends, namely a shearing power output end, a combing power output end and a transmission power output. Among them, a crank slider structure is provided on the shearing power output end, which can switch the rotational force output on the shearing power output end into a horizontal reciprocating force.

[0034] Specifically, a first driving gear 9-3 and two transmission gear sets meshing therewith are arranged in the cutting and combing gear box 9-2. The two transmission gear sets are divided into a cutting transmission gear set 9-4 and a transmission transmission gear set 9-5, which are used to provide power to the cutting module 4 and the transmission module 5 respectively. In this embodiment, the transmission transmission gear set 9-5 includes a plurality of transmission gears meshing with each other. The transmission gear at the end is connected to the conveying roller through a conveying transmission shaft.

[0035] The cutting transmission gear set 9-4 includes a plurality of first transmission gears meshing with each other. A roller output shaft is fixed on one of the first transmission gears for connecting with the combing roller 8-2. When the first transmission gear rotates, it will drive the combing roller 8-2 to move synchronously, and cooperate with the fence guide rod 8-3 on the combing roller 8-2 to realize the guided transportation of the cut branches 15.

[0036] The first driven gear is meshed with the first transmission gear at the end. The first driven gear is connected to two mutually meshing bevel gears 9-6. The horizontal rotational force is switched to the vertical rotational force through the two bevel gears 9-6. The crank slider structure on the shearing power output end is connected to the corresponding bevel gear 9-6 through the shearing transmission shaft 9-7, so that when the cutting and combing motor 9-1 drives the first transmission gears in the cutting transmission gear set 9-4 to move, the combing roller 8-2 and the cutting blade 7-2 will move simultaneously through the first driven gear and the two bevel gears 9-6.

[0037] like Figure 8 As shown, there are two crushing and returning modules 6. The two crushing and returning modules 6 are symmetrically arranged on the box shell body 3. An arc-shaped guide channel 11 is provided in the middle of the box shell body 3. When the cut branches 15 are driven by the conveyor belt in the transmission module 5 and transported to the crushing and returning modules 6, they will be guided to the two crushing and returning modules 6 through the arc-shaped guide channel 11.

[0038] like Figure 2As shown, the crushing and returning module 6 includes a crushing member 12 and a crushing assembly 13. The crushing member 12 can rotate under the drive of the second driving assembly 10, and further comb and compress the broken and cut branches 15 transported from the front conveyor belt, so that the broken branches are more gathered and convenient to enter the rear for crushing. The crushing assembly 13 can further crush the input broken branches into powdery branches under the drive of the second driving assembly 10.

[0039] like Figure 2 and 9 As shown, the pressing member 12 is a pressing roller. The pressing roller is rotatably connected to the box shell body 3, and the bottom is spaced apart from the box shell body 3, so as to form a combing channel with a gradually narrowing diameter in the direction from the branch cutting component 7 to the crushing component 13. The cut branches are gradually pressed and gathered during the transportation process in the combing channel, which is convenient for the subsequent crushing of the crushing component 13.

[0040] In this embodiment, the outer ring of the pressing roller is provided with a plurality of integrally formed pressing roller ribs 12-1. Each pressing roller rib 12-1 is evenly distributed along the circumference of the pressing roller axis. During use, the pressing roller ribs 12-1 increase the friction between the pressing roller and the cut branches 15, thereby improving the combing effect of the cut branches 15 while ensuring that the cut branches 15 can be smoothly transported backward.

[0041] Furthermore, an arc-shaped chute is provided on the side wall of the housing body 3. The center of the chute coincides with the output end of the roller. The end of the roller passes through the chute and is connected to the second drive assembly 10 through a belt drive.

[0042] During use, when a large number of cut branches 15 enter the combing channel below the pressing roller, the pressing roller is lifted under the push of the cut branches 15, effectively avoiding the clogging of the combing channel caused by the entry of a large number of cut branches 15.

[0043] like Fig.10 and 11 As shown, the crushing assembly 13 includes a crushing roller 13-1 and a crushing bottom knife 13-2. A crushing chamber matched with the crushing roller 13-1 is provided on the box shell body 3. The crushing roller 13-1 is rotatably connected in the crushing chamber. The crushing roller 13-1 is loaded with a roller blade 13-3. The roller blade 13-3 can cooperate with the crushing bottom knife 13-2 installed at the bottom of the crushing chamber to realize the crushing of the cut branches 15 entering the crushing chamber. A discharge port connected to the outside is provided on the outer side of the crushing chamber. The cut branches 15 that have completed the crushing process are thrown to the outside from the discharge port to realize the cutting, crushing and returning of tea branches to the field.

[0044] Furthermore, two crushing notches 13-4 are provided on the outer wall of the crushing roller 13-1. The two crushing notches 13-4 are axially symmetrically arranged. The roller blade 13-3 is installed in the crushing notch 13-4 and tilted outward. During operation, the cut branches 15 are gathered by the pressing roller and enter the crushing chamber. Part of the cut branches 15 extends into the crushing notch 13-4 of the crushing roller 13-1. The crushing roller 13-1 is driven to rotate by the second driving assembly 10, and then the roller blade 13-3 is driven to move, and the cut branches 15 extending into the crushing notch 13-4 are crushed in cooperation with the crushing bottom knife 13-2.

[0045] In this embodiment, there is a gap between the crushing roller 13-1 and the crushing bottom knife 13-2. When the broken branches are compressed and gathered by the pressure roller and transported backward, the rotating crushing roller 13-1 and the fixed crushing bottom knife 13-2 can crush the broken branches entering between the two into powder. Subsequently, the powdered branches entering the crushing slot 13-4 move in a circle under the drive of the rotating crushing roller 13-1. Under the action of centrifugal force, the powdered branches in the crushing slot 13-4 are thrown to the side of the discharge port.

[0046] In this embodiment, a downwardly inclined return pipe 14 is installed on one side of the discharge port. When the powdered branches are thrown toward one side of the discharge port, they will be thrown into the tea garden corridor under the guidance of the return pipe 14.

[0047] like Figure 4 , 8 As shown in Figure 12, the second driving assembly 10 includes a crushing motor 10-1 and a crushing gear box 10-2. The crushing motor 10-1 is installed on the power input end of the crushing gear box 10-2 to provide power to the crushing gear box 10-2. The crushing gear box 10-2 has two power output ends, which are divided into a crushing output end and a crushing output end. Among them, the crushing output end is connected to the pressure roller through a belt transmission assembly. The crushing output end is connected to the crushing roller 13-1 through a roller drive shaft.

[0048] Furthermore, the crushing gear box 10-2 has a mountain-shaped structure. A plurality of driving gear sets are installed in the crushing gear box 10-2, and are used to realize the synchronous operation of the pressure roller and the crushing roller 13-1. In the present embodiment, each driving gear set is divided into a middle input gear set 10-3 and output gear sets 10-4 on both sides. Among them, the output shaft of the crushing motor 10-1 is connected to the input gear set 10-3. The input gear set 10-3 and the output gear sets 10-4 on both sides are connected through a gear box transmission shaft 10-5. The two output gear sets 10-4 correspond to the two crushing and returning modules 6 respectively, and can simultaneously drive the crushing parts 12 and the crushing components 13 in the two crushing and returning modules 6 to work.

[0049] In this embodiment, the walking unit 2 includes a walking drive motor and a plurality of walking wheels. The walking drive motor is connected to one of the walking wheels through a belt transmission. The outer ring of each walking wheel is covered with a walking track. When the corresponding walking wheel rotates under the drive of the walking drive motor, the walking track will be driven to move, so as to realize movement between the tea ridges.

[0050] In addition, in some embodiments, the length of the mounting bracket in the frame body 1 adopts a telescopic column structure, so that the height of the pruning and crushing unit is adjustable, thereby being able to cope with different types of tea gardens.

[0051] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A tea tree pruning and straw returning machine, comprising a frame body (1), and a walking unit (2) and a pruning and crushing unit mounted on the frame body (1); the walking unit (2) is used to drive the pruning and crushing unit to travel in the field, and is characterized in that: The pruning and crushing unit comprises a box shell body (3), a power drive module, and a cutting module (4), a transmission module (5) and a crushing and returning module (6) which are sequentially arranged in the box shell body; The cutting module (4) and the transmission module (5) can sequentially complete the cutting and guiding and conveying operations of the cut branches (15) on the tea trees under the drive of the power drive module; the crushing and returning module (6) is used to crush the input cut branches (15) and to throw the crushed powdered branches into the tea garden corridor.

2. A tea tree pruning and straw returning machine according to claim 1, characterized in that: The guide combing assembly (8) comprises a plurality of combing rollers (8-2) and a plurality of fence guide rods (8-3); the combing rollers (8-2) are arranged at intervals at the end of the box shell body (3) and are rotatably matched with the box shell body (3); the combing rollers (8-2) are connected to each other via the fence guide rods (8-3); the fence guide rods (8-3) are evenly distributed along the circumference of the axis of the combing roller (8-2), and the inner circle area forms a temporary storage cavity (8-1).

3. The tea tree pruning and straw returning machine according to claim 1, characterized in that: The branch cutting assembly (7) comprises a tool seat (7-1) and a cutting blade (7-2) arranged along the length direction of the tool seat (7-1); the cutting blade (7-2) can be driven by a power drive module to perform horizontal reciprocating motion along a direction parallel to the length of the input port of the box shell body (3), thereby completing the cutting operation of the cut branches (15) extending into the temporary storage cavity (8-1).

4. The tea tree pruning and straw returning machine according to claim 1, characterized in that: The transmission module (5) comprises two conveying rollers which are arranged at an interval; the two conveying rollers are both rotatably connected to the box shell body (3) and are connected via a conveyor belt.

5. The tea tree pruning and straw returning machine according to claim 3, characterized in that: The power drive module comprises a first drive component (9) and a second drive component (10); the first drive component (9) is used to provide power for movement to the cutting module (4) and the transmission module (5) respectively; and the second drive component (10) is used to provide power to the crushing and returning module (6).

6. The tea tree pruning and straw returning machine according to claim 5, characterized in that: The crushing and returning module (6) comprises a crushing member (12) and a crushing assembly (13); the crushing member (12) is rotatably connected to the box shell body (3), and the bottom is spaced apart from the box shell body (3), thereby forming a combing channel with a gradually shrinking diameter in the direction from the branch cutting assembly (7) to the crushing assembly (13); the crushing member (12) can gradually comb and compress the cut branches (15) when they are input, and convey the compressed cut branches (15) to the crushing assembly (13) for crushing.

7. The tea tree pruning and straw returning machine according to claim 6, characterized in that: The crushing assembly (13) comprises a crushing roller (13-1), a roller blade (13-3) and a crushing bottom knife (13-2); the crushing roller (13-1) is rotatably connected to the box shell body (3); two crushing notches (13-4) are provided on the outer wall of the crushing roller (13-1); the two crushing notches (13-4) are axially symmetrically arranged; the roller blade (13-3) is installed in the crushing notches (13-4) and is tilted outward; the roller blade (13-3) can cooperate with the crushing bottom knife (13-2) installed at the bottom of the crushing chamber during the rotation process to realize crushing of the cut branches (15) entering the crushing chamber.

8. The tea tree pruning and straw returning machine according to claim 5, characterized in that: The first driving component (9) comprises a cutting and combing motor (9-1) and a cutting and combing gearbox (9-2); the cutting and combing motor (9-1) is mounted on the power input end of the cutting and combing gearbox (9-2) and is used to provide power to the cutting and combing gearbox (9-2); the cutting and combing gearbox (9-2) is provided with three power output ends, namely a cutting power output end, a combing power output end and a transmission power output end; the cutting power output end is provided with a crank slider structure, which can switch the rotational force output from the cutting power output end into a horizontal reciprocating force.

9. The tea tree pruning and straw returning machine according to claim 8, characterized in that: The cutting and combing gear box (9-2) is provided with a first driving gear (9-3) and two transmission gear sets meshing therewith; the two transmission gear sets are divided into a cutting transmission gear set (9-4) and a transmission transmission gear set (9-5), which are respectively used to provide power to the cutting module (4) and the transmission module (5); the end of the cutting transmission gear set (9-4) is provided with two mutually meshing bevel gears (9-6), which are used to switch the horizontal rotation force into the vertical rotation force, and then cooperate with the crank slider structure to realize the reciprocating cutting of the cutting blade (7-2).

10. The tea tree pruning and straw returning machine according to claim 7, characterized in that: The second driving assembly (10) comprises a pulverizing motor (10-1) and a pulverizing gear box (10-2); the pulverizing motor (10-1) is mounted on the power input end of the pulverizing gear box (10-2) for providing power to the pulverizing gear box (10-2); the pulverizing gear box (10-2) has two power output ends, namely a crushing output end and a pulverizing output end; the crushing output end is connected to the crushing member (12) via a belt transmission assembly; and the pulverizing output end is connected to the pulverizing roller (13-1) via a roller transmission shaft.

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