Rootstock cutting machine for camellia oleifera seedling grafting

Abstract

The invention provides a rootstock cutting machine for camellia oleifera seedling grafting. The rootstock cutting machine is characterized by comprising an operation table, a rear end cutting device, a front end cutting device, a laser-assisted positioning device, a driving and control device, a supporting plate and a supporting frame; the operation table is fixedly installed on the top of the supporting frame. The supporting plate is fixedly installed below the operation table. The rear-end cutting device adopts a C-shaped blade, the front-end cutting device adopts a T-shaped blade, and the laser positioning device is fixed on the right upper side of the front-end cutting device. Through auxiliary positioning of the laser positioning lamp and the C-shaped cutter, positioning of a cutting position by a worker can be effectively accelerated, a stock is formed at a time, and a cut is accurate.

Description

Technical Field

[0001] The invention relates to the technical field of grafting equipment, in particular to a rootstock cutting machine used for grafting oil-tea seedlings. Background Art

[0002] Camellia oleifera is one of the four major woody oil plants in the world and is widely distributed in the subtropical region of southern China. China is the origin of Camellia oleifera and almost all industries related to Camellia oleifera are located in China. According to data released by the State Forestry and Grassland Administration, from 2013 to 2015, the country needs to complete the addition of 19.17 million mu of Camellia oleifera planting area, build 200 key Camellia oleifera production counties, and add 30 million mu of high-standard Camellia oleifera forests.

[0003] The oil-tea industry is booming, and the current high-quality oil-tea trees are almost all cultivated through grafting technology. The cost and quality of grafting not only directly affect the vital interests of oil-tea growers, but also affect the country's development strategy of promoting the oil-tea industry and helping grain and oil security. Realizing the mechanization of grafting of oil-tea seedlings is the key to reducing grafting costs and improving grafting quality. Unlike fruit and vegetable grafting, the cleft grafting method used in grafting of oil-tea seedlings increases the difficulty of mechanization of grafting of oil-tea seedlings, resulting in no grafting machinery on the market. At present, except for the preliminary research jointly conducted by the Harbin Forestry Machinery Research Institute of the State Forestry Administration and the Institute of New Forestry Technology of the Chinese Academy of Forestry, no other related research reports have been seen at home and abroad.

[0004] The cleft grafting method is widely used in the grafting of tea oil seedlings. It is necessary to select a suitable position on the rootstock seedling for cutting, and make a vertical "I" incision at the center of its upper end for subsequent grafting with the tassel wood. The diameter of the rootstock of the tea oil seedling is generally 2-4mm, and due to various factors during the growth process, its thickness, length, and curvature are different, making machine cutting more difficult, and the accuracy of the rootstock incision has a great influence on the grafting survival rate. As the most tedious part of the grafting process of tea oil seedlings, the cutting of the rootstock of the tea oil seedlings urgently needs a cutting machine with a reasonable structure, reliable performance, simple operation and low cost. Summary of the invention

[0005] The technical problem to be solved by the present invention is that, in view of the low efficiency of manual cutting in the existing oil-tea seedling rootstock cutting process and the lack of mature grafting machinery, a rootstock cutting machine for oil-tea seedling grafting is provided.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: the present invention provides a rootstock cutting machine for grafting tea oil seedlings, characterized in that: it includes an operating table, a rear end cutting device, a front end cutting device, a laser-assisted positioning device, a driving and control device, a support plate and a support frame; the operating table is fixedly installed on the top of the support frame; the support plate is fixedly installed under the operating table; the rear end cutting device and the front end cutting device are relatively fixedly connected to the top of the operating table, and the distance between the two is 40-70mm; the laser-assisted positioning device is fixed above the operating table, located on the upper right side of the front end cutting device; the driving and control device is fixed under the operating table.

[0007] Furthermore, the operating table includes three discharge ports and three material dividing baffles; the three discharge ports are arranged in a "one" shape, namely the finished product discharge port located in the middle of the operating table, the waste outlet No. 1 located on the left side of the finished product discharge port, and the waste outlet No. 2 located on the right side of the finished product discharge port; the left side of the finished product discharge port is in a "C" shape; the three material dividing baffles are respectively installed under the three discharge ports, with the No. 1 material dividing baffle facing left, the No. 2 material dividing baffle facing forward, and the No. 3 material dividing baffle facing right.

[0008] Furthermore, the rear-end cutting device includes a No. 1 driving rod, a No. 1 base, a No. 1 rootstock seedling seat, a No. 1 linear bearing, a No. 1 cutter, a No. 1 knife clamp, a No. 1 knife holder and a No. 1 support frame; the No. 1 base, the No. 1 rootstock seedling seat, the No. 1 cutter and the No. 1 knife clamp are all in a "C" shape on the right side; the No. 1 base is fixedly connected to the top of the operating table, and the "C"-shaped notch on the right side is aligned with the "C"-shaped notch on the left side of the finished product discharge port, and the left side is flush with the right side of the No. 1 waste outlet; the No. 1 rootstock seedling seat is fixed above the No. 1 base, and the "C"-shaped notches of the two Overlap; the No. 1 linear bearing is fixed to the upper left side of the No. 1 base and is slidably connected to the No. 1 driving rod; the rear end of the No. 1 support frame is fixed to the upper end of the No. 1 driving rod, and its front end is facing the direction of the discharge port; the left end of the No. 1 tool holder is fixed below the front end of the No. 1 support frame; the No. 1 tool clamp is fixed below the right end of the No. 1 tool holder; the No. 1 cutting knife is fixed directly below the right end of the No. 1 tool clamp, and is aligned with the "C"-shaped notch on the right side of the No. 1 rootstock seedling seat; the No. 1 driving rod is fixedly connected to the rear end of the driving connecting rod in the driving and control device.

[0009] Furthermore, the front cutting device includes a second tool rest, a second tool holder, a second cutting tool in a "T" shape, a second support frame, a second driving rod, a second rootstock seedling seat, a second base, and a second linear bearing; the second base is fixedly connected above the operation table, and its two sides are respectively flush with the right side of the finished product discharge port and the left side of the second waste discharge port; a semi-circular notch is provided at the center position of the second rootstock seedling seat, which is fixed at the middle position above the second base, and its semi-circular notch is arranged directly upward, and a "T" - shaped groove corresponding to the second cutting tool is machined in the semi-circular notch; the second linear bearing is fixed on the upper right side of the second base and is slidably connected to the second driving rod; the rear end of the second support frame is fixed at the upper end of the second driving rod, and its front end faces the direction of the discharge port; the right end of the second tool rest is fixed below the front end of the second support frame; the second tool holder is fixed below the left end of the second tool rest; the second cutting tool is fixed directly below the second tool holder and is aligned with the exact middle of the semi-circular notch of the second rootstock seedling seat; the second driving rod is fixedly connected to the front end of the driving link in the driving and control device.

[0010] Furthermore, the laser - assisted positioning device includes a laser lamp base, a column, a rotating shaft head, a laser lamp fixing device, and a laser lamp; the laser lamp base is fixed above the operation table and is located on the upper right side of the second waste discharge port; the column is erected above the laser lamp base; the rotating shaft head is sleeved on the upper end of the column, and its upper shaft hole faces the direction of the second waste discharge port; the shaft of the laser lamp fixing device is fixedly connected to the shaft hole at the upper end of the rotating shaft head; the laser lamp is obliquely fixed in the mounting hole of the laser lamp fixing device, and the position of the "T" - shaped laser beam emitted by it overlaps with the cutting position of the second cutting tool.

[0011] Furthermore, the driving and control device includes a driving link, a spherical plain bearing, a cam, a driving motor and a motor controller installed on a support plate, and a foot - operated motor switch; the cam is fixedly connected to the output shaft of the driving motor; both ends of the spherical plain bearing are respectively hinge - connected to the middle position of the driving link and the cam; the foot - operated motor switch, the motor controller, and the driving motor are connected by wires.

[0012] Furthermore, for the first cutting tool and the second cutting tool, it is characterized in that: the cutting edges of the two cutting tools are at the same height.

[0013] Furthermore, for the first rootstock seedling seat and the second rootstock seedling seat, it is characterized in that: the installation heights of the two rootstock seedling seats are the same.

[0014] Furthermore, for the second cutting tool, it is characterized in that: for the "T" - shaped second cutting tool, the length of the "-" shape is 10 - 20 mm, and the length of the "|" shape is 5 - 20 mm.

[0015] The beneficial effects of the present invention are as follows: the cutting accuracy can be improved by the semicircular groove of the No. 1 stock seedling seat (203) and the auxiliary positioning of the laser lamp (405). The "T"-shaped cutter can cut a "I"-shaped incision while cutting off the upper end of the stock, and the lower end of the stock seedling only needs to be cut off without other requirements. The "C"-shaped cutter can directly cut off the bent lower end of the stock, so that the finished product retains a fixed length. When operating, the worker only needs to pay attention to the laser position and adjust the front end cutting position.

[0016] After the worker aligns the cutting position according to the laser position, he steps on the pedal motor switch (506). After the motor controller (505) receives the signal of the pedal motor switch (506), it controls the drive motor (504) to rotate one circle, so that the cam (503) drives the drive connecting rod (501) to move up and down once, and the drive connecting rod (501) drives the two drive rods to move at the same time, so that the rear cutting device (2) and the front cutting device (3) move up and down synchronously once. The synchronous movement of the two cutters can achieve one-time forming, which significantly improves the cutting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present invention.

[0019] Figure 2 It is a schematic structural diagram of the unloading part of the operating table according to an embodiment of the present invention.

[0020] Figure 3 It is a schematic structural diagram of a rear-end cutting device and a front-end cutting device according to an embodiment of the present invention.

[0021] Figure 4 It is a schematic structural diagram of a laser-assisted positioning device according to an embodiment of the present invention.

[0022] Figure 5 It is a schematic diagram of the structure of the driving and control device of an embodiment of the present invention.

[0023] Figure 6 It is a schematic diagram of the structure of the No. 1 material distribution baffle according to an embodiment of the present invention.

[0024] Figure 7 It is a schematic diagram of the structure of the No. 2 material distribution baffle in an embodiment of the present invention.

[0025] Figure 8It is a schematic diagram of the structure of the No. 3 material dividing baffle in an embodiment of the present invention.

[0026] Serial number and name of the attached drawings: 1-operating table, 101-No. 1 waste outlet, 102-finished product outlet, 103-No. 2 waste outlet, 104-No. 1 material dividing baffle, 105-No. 2 material dividing baffle, 106-No. 3 material dividing baffle, 2-rear end cutting device, 201-No. 1 driving rod, 202-No. 1 base, 203-No. 1 rootstock seedling seat, 204-No. 1 linear bearing, 205-No. 1 cutting knife, 206-No. 1 knife clamp, 207-No. 1 knife holder, 208-No. 1 support frame, 3-front end cutting device, 301-No. 2 knife holder, 302-No. 2 knife clamp, 303- No. 2 cutting knife, 304- No. 2 supporting frame, 305- No. 2 driving rod, 306- No. 2 rootstock seedling seat, 307- No. 2 base, 308- No. 2 linear bearing, 4- laser auxiliary positioning device, 401- laser lamp base, 402- column, 403- shaft head, 404- laser lamp fixing device, 405- laser lamp, 5- driving and control device, 501- driving connecting rod, 502- joint bearing, 503- cam, 504- driving motor, 505- motor controller, 506- foot motor switch, 6- supporting plate, 7- supporting frame. DETAILED DESCRIPTION

[0027] The present invention is further described in detail below in conjunction with embodiments and drawings, but the embodiments of the present invention are not limited thereto.

[0028] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, a rootstock cutting machine for grafting oil-tea seedlings is characterized by comprising an operating table 1, a rear-end cutting device 2, a front-end cutting device 3, a laser-assisted positioning device 4, a driving and control device 5, a support plate 6 and a support frame 7; the operating table 1 is fixedly mounted on the top of the support frame 7; the support plate 6 is fixedly mounted below the operating table 1; the rear-end cutting device 2 and the front-end cutting device 3 are both relatively fixedly connected to the top of the operating table 1, and the distance between the two is 40-70mm, the laser-assisted positioning device 4 is fixed above the operating table 1, and is located on the upper right side of the front-end cutting device 3; the driving and control device 5 is fixed below the operating table 1. The laser emitted by the laser-assisted positioning device 4 marks the cutting position of the placed rootstock seedling, and cutting is performed through the rear-end cutting device 2 and the front-end cutting device 3.

[0029] The operating table 1 includes three discharge ports and three material dividing baffles; the three discharge ports are arranged in a "one" shape, namely, the finished product discharge port 102 located in the middle of the operating table 1, the No. 1 waste outlet 101 located on the left side of the finished product discharge port 102, and the No. 2 waste outlet 103 located on the right side of the finished product discharge port 102; the left side of the finished product discharge port 102 is in a "C" shape; the three material dividing baffles are respectively installed below the three discharge ports, wherein the No. 1 material dividing baffle 104 faces left, the No. 2 material dividing baffle 105 faces forward, and the No. 3 material dividing baffle 106 faces right. After cutting is completed, the cut stock falls into the finished product discharge port, and the cut stock buds and the remaining roots fall into the two waste outlets respectively, and fall to different directions under the action of the material dividing baffles for subsequent collection.

[0030] The rear-end cutting device 2 includes a No. 1 driving rod 201, a No. 1 base 202, a No. 1 rootstock seedling seat 203, a No. 1 linear bearing 204, a No. 1 cutter 205, a No. 1 knife clamp 206, a No. 1 knife holder 207 and a No. 1 support frame 208; the No. 1 base 202, the No. 1 rootstock seedling seat 203, the No. 1 cutter 205 and the No. 1 knife clamp 206 are all in a "C" shape on the right side; the No. 1 base 202 is fixedly connected to the top of the operating table 1, and the "C"-shaped notch on the right side is aligned with the "C"-shaped notch on the left side of the finished product discharge port 102, and the left side is flush with the right side of the No. 1 waste outlet 101; the No. 1 rootstock seedling seat 203 is fixed above the No. 1 base 202, and the "C"-shaped notch of the two is aligned with the "C"-shaped notch on the left side of the finished product discharge port 102, and the left side is flush with the right side of the No. 1 waste outlet 101; the No. 1 rootstock seedling seat 203 is fixed above the No. 1 base 202, and the "C" The first linear bearing 204 is fixed to the upper left side of the first base 202 and is slidably connected to the first driving rod 201; the rear end of the first support frame 208 is fixed to the upper end of the first driving rod 201, and its front end faces the discharge port; the left end of the first knife holder 207 is fixed below the front end of the first support frame 208; the first knife holder 206 is fixed below the right end of the first knife holder 207; the first cutter 205 is fixed directly below the right end of the first knife holder 206, and is aligned with the "C"-shaped notch on the right side of the first rootstock seedling seat 203; the first driving rod 201 is fixedly connected to the rear end of the driving connecting rod 501 in the driving and control device 5. The rootstock seedling is not completely straight, but has different degrees of curvature. The "C"-shaped cutter 205 of the rear cutting device 2 and the first rootstock seedling seat 203 enable it to cut rootstock seedlings with different curvatures.

[0031] The front-end cutting device 3 includes a No. 2 tool holder 301, a No. 2 tool holder 302, a No. 2 "T"-shaped cutter 303, a No. 2 support frame 304, a No. 2 driving rod 305, a No. 2 rootstock seedling seat 306, a No. 2 base 307 and a No. 2 linear bearing 308; the No. 2 base 307 is fixedly connected to the top of the operating table 1, and its two sides are respectively flush with the right side of the finished product discharge port 102 and the left side of the No. 2 waste outlet 103; a semicircular notch is left at the center of the No. 2 rootstock seedling seat 306, which is fixed in the middle position above the No. 2 base 307, and its semicircular notch is arranged directly upward, and a "T"-shaped notch corresponding to the No. 2 cutter 303 is processed in the semicircular notch The groove; the No. 2 linear bearing 308 is fixed to the upper right side of the No. 2 base 307 and is slidably connected to the No. 2 driving rod 305; the rear end of the No. 2 support frame 304 is fixed to the upper end of the No. 2 driving rod 305, and its front end faces the discharge port; the right end of the No. 2 tool holder 301 is fixed below the front end of the No. 2 support frame 304; the No. 2 tool holder 302 is fixed below the left end of the No. 2 tool holder 301; the No. 2 cutter 303 is fixed directly below the No. 2 tool holder 302 and is aligned in the middle of the semicircular notch of the No. 2 rootstock seedling seat 306; the No. 2 driving rod 305 is fixedly connected to the front end of the driving connecting rod 501 in the driving and control device 5. The "T"-shaped cutter of the front cutting device 3 can cut the rootstock seedling and cut a "one" incision in the middle of the incision.

[0032] The laser auxiliary positioning device 4 comprises a laser lamp base 401, a column 402, a rotating shaft head 403, a laser lamp fixing device 404 and a laser lamp 405; the laser lamp base 401 is fixed on the operating table 1 and is located on the upper right side of the second waste outlet 103; the column 402 is fixed on the laser lamp base 401; the rotating shaft head 403 is mounted on the upper end of the column 402, and its upper end shaft hole faces the direction of the second waste outlet 103; the axis of the laser lamp fixing device 404 is fixedly connected with the shaft hole on the upper end of the rotating shaft head 403; the laser lamp 405 is tilted and fixed in the mounting hole of the laser lamp fixing device 404, and the "T"-shaped laser position irradiated by it overlaps with the cutting position of the second cutter 303. The laser auxiliary positioning device 4 marks the cutting position of the "T"-shaped second cutter 303, so that the worker can adjust the cutting position and improve the cutting accuracy.

[0033] The driving and control device 5 comprises a driving connecting rod 501, a joint bearing 502, a cam 503, a driving motor 504 and a motor controller 505 mounted on a support plate 6, and a foot-operated motor switch 506; the cam 503 is fixedly connected to the output shaft of the driving motor 504; the two ends of the joint bearing 502 are respectively hinged to the middle position of the driving connecting rod 501 and the cam 503; the foot-operated motor switch 506, the motor controller 505 and the driving motor 504 are connected by wires. When the motor rotates, it drives the driving connecting rod 501 to move up and down, and the driving connecting rod 501 drives the first driving rod 201 and the second driving rod 305 to move synchronously.

[0034] The blades of the No. 1 cutter 205 and the No. 2 cutter 303 are at the same height.

[0035] The installation height of the No. 1 stock seedling seat 203 is the same as that of the No. 2 stock seedling seat 306. The rear cutting device 2 and the front cutting device 3 are cut synchronously to achieve the purpose of one-step forming.

[0036] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A rootstock cutting machine for grafting oil-tea seedlings, characterized in that: The invention comprises an operating table (1), a rear-end cutting device (2), a front-end cutting device (3), a laser-assisted positioning device (4), a driving and control device (5), a support plate (6) and a support frame (7); the operating table (1) is fixedly mounted on the top of the support frame (7); the support plate (6) is fixedly mounted below the operating table (1); the rear-end cutting device (2) and the front-end cutting device (3) are both relatively fixedly connected to the top of the operating table (1), and the distance between the two is 40-70 mm; the laser-assisted positioning device (4) is fixed above the operating table (1) and is located on the upper right side of the front-end cutting device (3); the driving and control device (5) is fixed below the operating table (1); The operating table (1) comprises three discharge ports and three material separation baffles; the three discharge ports are arranged in a line, and are respectively a finished product discharge port (102) located in the middle of the operating table (1), a No. 1 waste material outlet (101) located on the left side of the finished product discharge port (102), and a No. 2 waste material outlet (103) located on the right side of the finished product discharge port (102); the left side of the finished product discharge port (102) is in a "C" shape; the three material separation baffles are respectively installed below the three discharge ports, wherein the No. 1 material separation baffle (104) faces left, the No. 2 material separation baffle (105) faces forward, and the No. 3 material separation baffle (106) faces right; The rear end cutting device (2) comprises a No. 1 driving rod (201), a No. 1 base (202), a No. 1 rootstock seedling seat (203), a No. 1 linear bearing (204), a No. 1 cutter (205), a No. 1 knife clamp (206), a No. 1 knife holder (207) and a No. 1 support frame (208); the right sides of the No. 1 base (202), the No. 1 rootstock seedling seat (203), the No. 1 cutter (205) and the No. 1 knife clamp (206) are all in a "C" shape; the No. 1 base (202) is fixedly connected to the top of the operating table (1), and the "C"-shaped notch on the right side thereof is aligned with the "C"-shaped notch on the left side of the finished product discharge port (102), and the left side thereof is flush with the right side of the No. 1 waste material outlet (101); the No. 1 rootstock seedling seat (203) is fixed to the top of the No. 1 base (202), and the two The first linear bearing (204) is fixed to the upper left side of the first base (202) and is slidably connected to the first driving rod (201); the rear end of the first support frame (208) is fixed to the upper end of the first driving rod (201), and its front end faces the discharge port; the left end of the first knife holder (207) is fixed below the front end of the first support frame (208); the first knife clamp (206) is fixed below the right end of the first knife holder (207); the first cutting knife (205) is fixed directly below the right end of the first knife clamp (206) and is aligned with the "C"-shaped notch on the right side of the first rootstock seedling seat (203); the first driving rod (201) is fixedly connected to the rear end of the driving connecting rod (501) in the driving and control device (5); The front end cutting device (3) comprises a No. 2 tool holder (301), a No. 2 tool holder (302), a No. 2 "T"-shaped cutter (303), a No. 2 support frame (304), a No. 2 driving rod (305), a No. 2 rootstock seedling seat (306), a No. 2 base (307) and a No. 2 linear bearing (308); the No. 2 base (307) is fixedly connected to the top of the operating table (1), and its two sides are respectively flush with the right side of the finished product discharge port (102) and the left side of the No. 2 waste material outlet (103); a semicircular notch is left at the center of the No. 2 rootstock seedling seat (306), which is fixed at the middle position above the No. 2 base (307), and the semicircular notch is arranged directly upward, and a "T" corresponding to the No. 2 cutter (303) is processed in the semicircular notch. shaped groove; the No. 2 linear bearing (308) is fixed to the upper right side of the No. 2 base (307) and is slidably connected to the No. 2 driving rod (305); the rear end of the No. 2 support frame (304) is fixed to the upper end of the No. 2 driving rod (305), and its front end faces the discharge port; the right end of the No. 2 tool holder (301) is fixed below the front end of the No. 2 support frame (304); the No. 2 tool holder (302) is fixed below the left end of the No. 2 tool holder (301); the No. 2 cutting knife (303) is fixed directly below the No. 2 tool holder (302) and is aligned with the middle of the semicircular notch of the No. 2 rootstock seedling seat (306); the No. 2 driving rod (305) is fixedly connected to the front end of the driving connecting rod (501) in the driving and control device (5); The laser-assisted positioning device (4) comprises a laser lamp base (401), a column (402), a rotating shaft head (403), a laser lamp fixing device (404) and a laser lamp (405); the laser lamp base (401) is fixed above the operating table (1) and is located on the upper right side of the second waste outlet (103); the column (402) is fixed above the laser lamp base (401); the rotating shaft head (403) is sleeved on the upper end of the column (402), and the shaft hole of the upper end faces the direction of the second waste outlet (103); the axis of the laser lamp fixing device (404) is fixedly connected to the shaft hole at the upper end of the rotating shaft head (403); the laser lamp (405) is tilted and fixed in the mounting hole of the laser lamp fixing device (404), and the "T"-shaped laser position emitted by the laser lamp overlaps the cutting position of the second cutter (303); The described driving and control device (5) includes a driving connecting rod (501), a spherical plain bearing (502), a cam (503), a driving motor (504) and a motor controller (505) mounted on a support plate (6), and a foot-operated motor switch (506); the cam (503) is fixedly connected to the output shaft of the driving motor (504); both ends of the spherical plain bearing (502) are hingedly connected to the middle position of the driving connecting rod (501) and the cam (503) respectively; the foot-operated motor switch (506), the motor controller (505) and the driving motor (504) are connected by wires.

2. The first cutter (205) and the second cutter (303) according to claim 1, characterized in that: The cutting edges of the two cutters are at the same height.

3. The No. 1 rootstock seedling seat (203) and the No. 2 rootstock seedling seat (306) according to claim 1, characterized in that: The mounting heights of the two rootstock seats are the same.

4. The second cutter (303) according to claim 1, characterized in that: The second cutter (303) in a "T" shape, where the length of the "-" shape is 10 - 20 mm and the length of the "|" shape is 5 - 20 mm.

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