Portable vegetable grafting device and grafting method

Abstract

According to the portable vegetable grafting device and method, the first clamping assembly and the second clamping assembly are arranged, the first clamping assembly is movably connected with the second clamping assembly, the first cutting assembly is arranged on the first clamping assembly, and the first cutting assembly is detachably connected with the first clamping assembly; when the end part of the first clamping assembly and the end part of the second clamping assembly are close to each other, the first cutting assembly can cut the rootstock to obtain the required grafting rootstock. The first cutting assembly comprises a first cutting blade, a second cutting blade, a positioning unit and a sleeve unit, the first cutting blade is detachably connected with the first clamping assembly, the sleeve unit is fixedly connected with the first clamping assembly, and the positioning unit is movably connected with the sleeve unit. Cutting can be carried out in the radial direction and the axial direction of a stock, so that the stock needed by grafting is conveniently and rapidly obtained, and the grafting time can be greatly saved.

Description

Technical Field

[0001] The invention relates to the field of vegetable grafting, and in particular to a portable vegetable grafting device and a grafting method. Background Art

[0002] Vegetable grafting is a very commonly used seedling management technology in greenhouse and other facility agriculture. The grafted vegetables can not only greatly enhance disease resistance and stress resistance, but also have very significant effects on increasing yield, improving quality, reducing diseases and pests, and eliminating the harm of continuous planting.

[0003] Most of the existing vegetable grafting methods use manual cutting of rootstocks with blades to obtain the rootstocks required for grafting, which is relatively time-consuming and labor-intensive. Summary of the invention

[0004] Most of the existing vegetable grafting methods use manual cutting of rootstocks with blades to obtain the rootstocks required for grafting, which is time-consuming and labor-intensive. The present invention provides a portable vegetable grafting device and grafting method.

[0005] In a first aspect, the present embodiment provides a portable vegetable grafting device, comprising a first clamping assembly, a second clamping assembly, and a first cutting assembly; the first clamping assembly is movably connected to the second clamping assembly, and the first cutting assembly is detachably connected to the first clamping assembly;

[0006] The first cutting assembly comprises a first cutting blade, a second cutting blade, a positioning unit, and a sleeve unit. The first cutting blade is detachably connected to the first clamping assembly; the sleeve unit is fixedly connected to the first clamping assembly; and the positioning unit is movably connected to the sleeve unit.

[0007] The portable vegetable grafting device includes a first working state and a second working state. The portable vegetable grafting device is in the first working state including: the clamping end of the first clamping component and the clamping end of the second clamping component are close to each other; the portable vegetable grafting device is in the second working state including: the clamping end of the first clamping component and the clamping end of the second clamping component are away from each other.

[0008] In some embodiments, the first clamping assembly includes a first handle, a first connecting block, and a first clamping unit; the first handle is fixedly connected to the first connecting block, and the first clamping unit is fixedly connected to the first connecting block; the second clamping assembly includes a second handle, a second connecting block, and a second clamping unit; the second handle is fixedly connected to the second connecting block, the second clamping unit is fixedly connected to the second connecting block, and the first connecting block and the second connecting block are rotatably connected via a pin; a positioning groove is provided on one surface of the first clamping unit, the first cutting blade is disposed in the positioning groove, and is detachably connected to the first clamping unit, and the sleeve unit is fixedly connected to the first clamping unit; when the portable vegetable grafting device is in the first working state, the first clamping unit and the second clamping unit are close to each other, and when the portable vegetable grafting device is in the second working state, the first clamping unit and the second clamping unit are far away from each other.

[0009] In some embodiments, the positioning unit includes a positioning shaft, a rotating wheel, a jack, and a button; one end of the positioning shaft is fixedly connected to the rotating wheel, the central axis of the positioning shaft and the central axis of the rotating wheel are on the same straight line, the jack is opened at the end of the positioning shaft away from the rotating wheel, and the button is arranged at the end of the positioning shaft close to the rotating wheel; the sleeve unit includes a sleeve body and a positioning hole; the positioning hole is opened on the sleeve body, the sleeve body passes through the first clamping unit, and is fixedly connected to the first clamping unit, and the central axis of the sleeve body is parallel to a side of the first clamping unit with a positioning groove; when the positioning shaft is inserted into the sleeve body, the button can be coupled and connected to the positioning hole, the jack is close to the second clamping unit, the second cutting blade is coupled and connected to the jack, and the cutting surface of the first cutting blade is perpendicular to the cutting surface of the second cutting blade.

[0010] In some embodiments, there are multiple positioning holes, and the angle between two adjacent positioning holes is 30-45°.

[0011] In some embodiments, the second cutting blade includes a connecting end, a first cutting portion, and a second cutting portion, wherein one end of the second cutting portion is fixedly connected to one end of the connecting portion, the other end of the second cutting portion is fixedly connected to the first cutting portion, and the other end of the connecting portion is coupled to the socket.

[0012] In some embodiments, a first clamping groove is provided on the first clamping unit, and the cross-section of the first clamping groove is semicircular; a third clamping groove is provided on the second clamping unit, and the cross-section of the third clamping groove is semicircular, and the radius of the semicircular cross-section of the first clamping groove is equal to the radius of the semicircular cross-section of the third clamping groove, and when the portable vegetable grafting device is in the first working state, the first clamping groove can be closed with the second clamping groove to form a circular cavity; the sleeve body passes through the first clamping groove.

[0013] In some embodiments, a receiving groove is defined in the third clamping groove, and an opening of the receiving groove faces the second cutting blade.

[0014] In some embodiments, the portable vegetable grafting device also includes a second cutting component, the second cutting component includes a third cutting blade, a second clamping groove is opened on the first clamping unit, the cross-section of the second clamping groove is semicircular, a first card slot is arranged in the second clamping groove, one end of the first card slot passes through the surface where the positioning groove is located in the first clamping unit, and the other end of the first card slot passes through the surface opposite to the surface where the positioning groove is located in the first clamping unit; the third cutting blade can be engaged in the first card slot.

[0015] In some embodiments, the second cutting assembly also includes a fourth cutting blade, a second card slot is arranged in the second clamping groove, one end of the second card slot passes through the surface where the positioning slot is located in the first clamping unit, and the other end of the second card slot passes through the surface opposite to the surface where the positioning slot is located in the first clamping unit; the other end of the first card slot is connected to the other end of the second card slot; when the fourth cutting blade is engaged in the second card slot, the third cutting blade and the fourth cutting blade are arranged crosswise.

[0016] In a second aspect, this embodiment provides a vegetable grafting method, which is applied to the vegetable grafting device described in the first aspect, and includes the following steps:

[0017] S1: placing a rootstock between the first clamping assembly and the second clamping assembly, and based on the first clamping assembly and the second clamping assembly being close to each other, the first cutting blade and the second cutting blade are close to the second clamping assembly;

[0018] S2: based on the first cutting blade and the second cutting blade approaching the second clamping assembly, the first cutting blade cuts the rootstock along the radial direction of the rootstock, and the second cutting blade cuts the rootstock along the axial direction of the rootstock;

[0019] S3: Based on the first cutting blade cutting off the stock radially, the second cutting blade cuts through the rod diameter axially, so that the first clamping assembly and the second clamping assembly move upward along the axial direction of the stock until the second cutting blade cuts the upper end of the stock.

[0020] The beneficial effects of the present invention are:

[0021] 1. By setting a first clamping assembly and a second clamping assembly, the first clamping assembly is movably connected to the second clamping assembly, and a first cutting assembly is set on the first clamping assembly, the first cutting assembly is detachably connected to the first clamping assembly, when the end of the first clamping assembly and the end of the second clamping assembly are close to each other, the first cutting assembly can cut the rootstock to obtain the desired grafted rootstock.

[0022] 2. The first cutting assembly includes a first cutting blade, a second cutting blade, a positioning unit, and a sleeve unit. The first cutting blade is detachably connected to the first clamping assembly, the sleeve unit is fixedly connected to the first clamping assembly, and the positioning unit is movably connected to the sleeve unit. By arranging the first cutting blade and the second cutting blade, cutting along the radial and axial directions of the rootstock can be achieved, so that the rootstock required for grafting can be obtained conveniently and quickly, which can greatly save grafting time. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of a portable vegetable grafting device;

[0024] Figure 2 It is a schematic diagram of an explosion of a portable vegetable grafting device;

[0025] Figure 3 for Figure 2 A local enlarged schematic diagram of the middle A;

[0026] Figure 4 for Figure 2 A partial enlarged schematic diagram of point B in the middle;

[0027] Figure 5 for Figure 2 A partial enlarged schematic diagram of point C in the middle;

[0028] Figure 6 for Figure 2 A partial enlarged schematic diagram of point D in the middle.

[0029] In the figure: 10, first clamping assembly; 11, first handle; 12, first connecting block; 13, first clamping unit; 131, first clamping groove; 132, second clamping groove; 133, positioning groove; 134, first clamping groove; 135, second clamping groove; 136, bayonet; 20, second clamping assembly; 21, second handle; 22, second connecting block; 23, second clamping unit; 231, third clamping groove; 232, fourth clamping groove; 233, receiving groove; 234, third clamping groove; 235 , fourth slot; 30, first cutting assembly; 31, first cutting blade; 32, second cutting blade; 321, connecting end; 322, first cutting portion; 323, second cutting portion; 33, positioning unit; 331, positioning shaft; 332, rotating wheel; 333, jack; 334, button; 34, sleeve unit; 341 sleeve body; 342, positioning hole; 40, second cutting assembly; 41, third cutting blade; 42, fourth cutting blade; 43, positioning protrusion; 50, pin shaft. DETAILED DESCRIPTION

[0030] The present disclosure will now be discussed with reference to several exemplary embodiments. It should be understood that these embodiments are discussed only to enable those skilled in the art to better understand and thus implement the present disclosure, rather than implying any limitation on the scope of the present disclosure.

[0031] As used herein, the term "including" and its variants are to be interpreted as open-ended terms meaning "including but not limited to". The term "based on" is to be interpreted as "based at least in part on". The terms "one embodiment" and "an embodiment" are to be interpreted as "at least one embodiment". The term "another embodiment" is to be interpreted as "at least one other embodiment". The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "vertical", "horizontal", "lateral", "longitudinal" and the like is based on the orientation or position relationship shown in the accompanying drawings. These terms are mainly for better describing the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, in addition to being used to indicate an orientation or position relationship, some of the above terms may also be used to indicate other meanings, such as the term "upper" may also be used to indicate a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to the specific circumstances. In addition, the terms "install", "set", "provided with", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be an internal connection between two devices, elements or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances. In addition, the terms "first", "second", etc. are mainly used to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated devices, elements or components. Unless otherwise specified, "plurality" means two or more.

[0032] This embodiment discloses a portable vegetable grafting device. Figure 1 , Figure 2 , Figure 3 As shown, it includes a first clamping assembly 10, a second clamping assembly 20, and a first cutting assembly 30; the first clamping assembly 10 is movably connected to the second clamping assembly 20, and the first cutting assembly 30 is detachably connected to the first clamping assembly 10;

[0033] The first cutting assembly 30 includes a first cutting blade 31, a second cutting blade 32, a positioning unit 33, and a sleeve unit 34. The first cutting blade 31 is detachably connected to the first clamping assembly 10; the sleeve unit 34 is fixedly connected to the first clamping assembly 10; and the positioning unit 33 is movably connected to the sleeve unit 34.

[0034] The portable vegetable grafting device includes a first working state and a second working state. The portable vegetable grafting device is in the first working state including: the clamping end of the first clamping component 10 and the clamping end of the second clamping component 20 are close to each other; the portable vegetable grafting device is in the second working state including: the clamping end of the first clamping component 10 and the clamping end of the second clamping component 20 are away from each other.

[0035] In this embodiment, by setting a first clamping assembly and a second clamping assembly, the first clamping assembly is movably connected to the second clamping assembly, and a first cutting assembly is set on the first clamping assembly, and the first cutting assembly is detachably connected to the first clamping assembly. When the end of the first clamping assembly and the end of the second clamping assembly are close to each other, the first cutting assembly can cut the rootstock to obtain the desired grafted rootstock. The first cutting assembly includes a first cutting blade, a second cutting blade, a positioning unit, and a sleeve unit. The first cutting blade is detachably connected to the first clamping assembly, the sleeve unit is fixedly connected to the first clamping assembly, and the positioning unit is movably connected to the sleeve unit. By setting the first cutting blade and the second cutting blade, cutting along the radial and axial directions of the rootstock can be achieved, so that the rootstock required for grafting can be obtained conveniently and quickly, which can greatly save grafting time.

[0036] In some embodiments, Figure 1 , Figure 2 As shown, the first clamping assembly 10 includes a first handle 11, a first connecting block 12, and a first clamping unit 13; the first handle 11 is fixedly connected to the first connecting block 12, and the first clamping unit 13 is fixedly connected to the first connecting block 12; the second clamping assembly 20 includes a second handle 21, a second connecting block 22, and a second clamping unit 23; the second handle 21 is fixedly connected to the second connecting block 22, the second clamping unit 23 is fixedly connected to the second connecting block 22, and the first connecting block 12 and the second connecting block 22 are rotatably connected through a pin 50; a positioning groove 133 is provided on a surface of the first clamping unit 13, the first cutting blade 31 is arranged in the positioning groove 133, and is detachably connected to the first clamping unit 13, and the sleeve unit 34 is fixedly connected to the first clamping unit 13; when the portable vegetable grafting device is in the first working state, the first clamping unit 13 and the second clamping unit 23 are close to each other, and when the portable vegetable grafting device is in the second working state, the first clamping unit 13 and the second clamping unit 23 are away from each other.

[0037] In this embodiment, the first clamping assembly 10 and the second clamping assembly 20 are connected into the shape of a pliers by the pin shaft 50, which can facilitate the operation of novices when cutting the rootstock.

[0038] In some embodiments, Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, the positioning unit 33 includes a positioning shaft 331, a rotating wheel 332, a socket 333, and a button 334; one end of the positioning shaft 331 is fixedly connected to the rotating wheel 332, the central axis of the positioning shaft 331 and the central axis of the rotating wheel 332 are on the same straight line, the socket 333 is opened at the end of the positioning shaft 331 away from the rotating wheel 332, and the button 334 is set at the end of the positioning shaft 331 close to the rotating wheel 332; the sleeve unit 34 includes a sleeve body 341 and a positioning hole 342; the positioning hole 342 is opened at the sleeve On the main body 341, the sleeve body 341 passes through the first clamping unit 13 and is fixedly connected to the first clamping unit 13. The central axis of the sleeve body 341 is parallel to the side of the first clamping unit 13 where the positioning groove 133 is opened. When the positioning shaft 331 is inserted into the sleeve body 341, the button 334 can be coupled and connected with the positioning hole 342, and the socket 333 is close to the second clamping unit 23. The second cutting blade 32 is coupled and connected with the socket 333, and the cutting surface of the first cutting blade 31 is perpendicular to the cutting surface of the second cutting blade 32.

[0039] In this embodiment, if Figure 1 , Figure 2 , Figure 3 , Figure 5 As shown, by setting a button on the positioning shaft, and when the positioning shaft 331 is inserted into the sleeve body 341, the button 334 can be coupled and connected with the positioning hole 342, the socket 333 is close to the second clamping unit 23, the second cutting blade 32 is coupled and connected with the socket 333, and the cutting surface of the first cutting blade is perpendicular to the cutting surface of the second cutting blade, which can not only realize the rapid disassembly and installation of the second cutting blade, but also ensure that the cutting surface of the first cutting blade is perpendicular to the cutting surface of the second cutting blade, thereby realizing radial and axial cutting of the rootstock.

[0040] In some embodiments, Figure 1 , Figure 2 , Figure 3 , Figure 5 As shown, there are a plurality of positioning holes 342 , and the angle between two adjacent positioning holes 342 is 30° to 45°.

[0041] In this embodiment, by providing a plurality of positioning holes, the cutting angle can be adjusted when the second cutting blade cuts the stock, thereby facilitating obtaining a desired cutting angle.

[0042] In some embodiments, Figure 1 , Figure 2 , Figure 3 As shown, the second cutting blade 32 includes a connecting end 321, a first cutting portion 322, and a second cutting portion 323. One end of the second cutting portion 323 is fixedly connected to one end of the connecting portion 321, and the other end is fixedly connected to the first cutting portion 322. The other end of the connecting portion 321 is coupled to the socket 333.

[0043] In this embodiment, by making the second cutting blade smaller in width than the first cutting blade in the first cutting portion and the second cutting portion, the second cutting blade can be easily rotated while ensuring the cutting effect of the second cutting blade.

[0044] In some embodiments, Figure 1 , Figure 2 , Figure 3 As shown, the first clamping unit 13 is provided with a first clamping groove 131, and the cross-section of the first clamping groove 131 is semicircular; the second clamping unit 23 is provided with a third clamping groove 231, and the cross-section of the third clamping groove 231 is semicircular, and the radius of the semicircular cross-section of the first clamping groove 131 is equal to the radius of the semicircular cross-section of the third clamping groove 231. When the portable vegetable grafting device is in the first working state, the first clamping groove 131 can be closed with the second clamping groove 231 to form a circular cavity; the sleeve body 341 passes through the first clamping groove 131.

[0045] In this embodiment, by providing a first clamping groove for accommodating the second cutting blade and providing a third clamping groove for positioning the stock, rapid cutting can be ensured while ensuring the safety of cutting the stock.

[0046] In some embodiments, a receiving groove 233 is defined in the third clamping groove 231 , and an opening of the receiving groove 233 faces the second cutting blade 32 .

[0047] In this embodiment, by providing the receiving groove 233 to accommodate the second cutting blade 32, it can be ensured that the second cutting blade completely penetrates the rootstock, ensuring that the cutting has a good effect.

[0048] In some embodiments, Figure 1 , Figure 2 , Figure 6 As shown, the portable vegetable grafting device also includes a second cutting component 40, the second cutting component 40 includes a third cutting blade 41, a second clamping groove 132 is opened on the first clamping unit 13, the cross-section of the second clamping groove 132 is semicircular, and a first card slot 134 is arranged in the second clamping groove 132, one end of the first card slot 134 passes through the surface where the positioning groove 133 is located in the first clamping unit 13, and the other end of the first card slot 134 passes through the surface opposite to the surface where the positioning groove 133 is located in the first clamping unit 13; the third cutting blade 41 can be engaged in the first card slot 134.

[0049] In this embodiment, by setting up the second cutting component, the second cutting component can be used to cut the scion, thereby improving the versatility of the device. Through the second cutting component, the second cutting component cuts the scion, which can greatly improve the grafting efficiency of the device during use. In this embodiment, since the third cutting blade is inclined at a certain angle, the cutting surface of the scion is an inclined surface when in use, so that it can adapt to the adjustment of the axial angle of the second cutting blade cutting the stock, and obtain the required cutting angle, which is convenient for the cooperation with the cut scion and the stock.

[0050] In some embodiments, Figure 1 , Figure 2 , Figure 6 As shown, the second cutting assembly 40 also includes a fourth cutting blade 42, and a second card slot 135 is arranged in the second clamping groove 132, one end of the second card slot 135 passes through the surface where the positioning slot 133 of the first clamping unit 13 is located, and the other end of the second card slot 135 passes through the surface opposite to the surface where the positioning slot 133 of the first clamping unit 13 is located; the other end of the first card slot 134 is connected to the other end of the second card slot 135; when the fourth cutting blade 42 is engaged in the second card slot 135, the third cutting blade 41 and the fourth cutting blade 42 are cross-arranged (the third cutting blade 41 and the fourth cutting blade 42 can be engaged by setting relevant bayonet ports on the third cutting blade 41 and the fourth cutting blade 42).

[0051] In this embodiment, if Figure 1 , Figure 2 , Figure 5 As shown, in this embodiment, by cutting the scion with the third cutting blade and the fourth cutting blade, another type of scion cut surface can be obtained, and the scion cut surface is V-shaped, so that the device can obtain the scion cut surface as needed to adapt to the grafting of different vegetables. In addition, one end of the third cutting blade can be set in abutment with one end of the fourth cutting blade, and the scion can be cut by rotating the third cutting blade and the fourth cutting blade 180°, so that the scion cut surface is V-shaped. In this embodiment, the V-shaped scion cut surface is used to cooperate with the cutting surface when the cutting angle is 0° when the second cutting blade cuts the rootstock. In this embodiment, a bayonet can also be set at the first slot and the second slot, and a positioning protrusion can be set on the third cutting blade and the fourth cutting blade. The third cutting blade and the fourth cutting blade are further fixed by the engagement of the positioning protrusion and the bayonet.

[0052] Specifically, the present invention also provides a vegetable grafting method, comprising the following steps:

[0053] S1: placing the rootstock between the first clamping assembly and the second clamping assembly, and the first cutting blade and the second cutting blade approach the second clamping assembly based on the first clamping assembly and the second clamping assembly approaching each other;

[0054] S2: based on the first cutting blade and the second cutting blade approaching the second clamping assembly, the first cutting blade cuts the rootstock along the radial direction of the rootstock, and the second cutting blade cuts the rootstock along the axial direction of the rootstock;

[0055] S3: Based on the first cutting blade cutting the stock radially, the second cutting blade cuts through the rod diameter axially, so that the first clamping assembly and the second clamping assembly move upward along the axial direction of the stock until the second cutting blade cuts the upper end of the stock.

[0056] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A portable vegetable grafting device, characterized in that: The invention comprises a first clamping assembly (10), a second clamping assembly (20), and a first cutting assembly (30); the first clamping assembly (10) is movably connected to the second clamping assembly (20), and the first cutting assembly (30) is detachably connected to the first clamping assembly (10); The first cutting assembly (30) comprises a first cutting blade (31), a second cutting blade (32), a positioning unit (33), and a sleeve unit (34); the first cutting blade (31) is detachably connected to the first clamping assembly (10); the sleeve unit (34) is fixedly connected to the first clamping assembly (10); and the positioning unit (33) is movably connected to the sleeve unit (34); The portable vegetable grafting device comprises a first working state and a second working state. When the portable vegetable grafting device is in the first working state, the clamping end of the first clamping component (10) and the clamping end of the second clamping component (20) are close to each other; when the portable vegetable grafting device is in the second working state, the clamping end of the first clamping component (10) and the clamping end of the second clamping component (20) are away from each other.

2. A portable vegetable grafting device according to claim 1, characterized in that: The first clamping assembly (10) comprises a first handle (11), a first connecting block (12), and a first clamping unit (13); the first handle (11) is fixedly connected to the first connecting block (12), and the first clamping unit (13) is fixedly connected to the first connecting block (12); the second clamping assembly (20) comprises a second handle (21), a second connecting block (22), and a second clamping unit (23); the second handle (21) is fixedly connected to the second connecting block (22), the second clamping unit (23) is fixedly connected to the second connecting block (22), and the first connecting block (12) is fixedly connected to the second connecting block (22). The first clamping unit (13) and the second clamping unit (23) are rotatably connected via a pin shaft (50); a positioning groove (133) is provided on one surface of the first clamping unit (13); the first cutting blade (31) is arranged in the positioning groove (133) and is detachably connected to the first clamping unit (13); the sleeve unit (34) is fixedly connected to the first clamping unit (13); when the portable vegetable grafting device is in a first working state, the first clamping unit (13) and the second clamping unit (23) are close to each other; when the portable vegetable grafting device is in a second working state, the first clamping unit (13) and the second clamping unit (23) are away from each other.

3. A portable vegetable grafting device according to claim 2, characterized in that: The positioning unit (33) comprises a positioning shaft (331), a rotating wheel (332), a socket (333), and a button (334); one end of the positioning shaft (331) is fixedly connected to the rotating wheel (332); the central axis of the positioning shaft (331) and the central axis of the rotating wheel (332) are on the same straight line; the socket (333) is provided at an end of the positioning shaft (331) away from the rotating wheel (332); the button (334) is provided at an end of the positioning shaft (331) close to the rotating wheel (332); the sleeve unit (34) comprises a sleeve body (341) and a positioning hole (342); the positioning hole (342) is provided at the sleeve body (341) and the positioning hole (342); the positioning hole (342) is provided at the sleeve body (341) and the positioning hole (342) is provided at the sleeve body (341). On the main body (341), the sleeve body (341) passes through the first clamping unit (13) and is fixedly connected to the first clamping unit (13), and the central axis of the sleeve body (341) is parallel to a side of the first clamping unit (13) provided with a positioning groove (133); when the positioning shaft (331) is inserted into the sleeve body (341), the button (334) can be coupled and connected with the positioning hole (342), the insertion hole (333) is close to the second clamping unit (23), the second cutting blade (32) is coupled and connected with the insertion hole (333), and the cutting surface of the first cutting blade (31) is perpendicular to the cutting surface of the second cutting blade (32).

4. A portable vegetable grafting device according to claim 3, characterized in that: There are a plurality of positioning holes (342), and the angle between two adjacent positioning holes (342) is 30-45°.

5. A portable vegetable grafting device according to claim 4, characterized in that: The second cutting blade (32) comprises a connecting end portion (321), a first cutting portion (322), and a second cutting portion (323); one end of the second cutting portion (323) is fixedly connected to one end of the connecting portion (321), and the other end is fixedly connected to the first cutting portion (322); the other end of the connecting portion (321) is coupled to the jack (333).

6. A portable vegetable grafting device according to claim 5, characterized in that: The first clamping unit (13) is provided with a first clamping groove (131), and the cross section of the first clamping groove (131) is semicircular; the second clamping unit (23) is provided with a third clamping groove (231), and the cross section of the third clamping groove (231) is semicircular, and the radius of the semicircular cross section of the first clamping groove (131) is equal to the radius of the semicircular cross section of the third clamping groove (231), and when the portable vegetable grafting device is in the first working state, the first clamping groove (131) can be closed with the second clamping groove (231) to form a circular cavity; the sleeve body (341) passes through the first clamping groove (131).

7. A portable vegetable grafting device according to claim 6, characterized in that: An accommodating groove (233) is provided in the third clamping groove (231), and the opening of the accommodating groove (233) faces the second cutting blade (32).

8. A portable vegetable grafting device according to claim 1, characterized in that: The portable vegetable grafting device further comprises a second cutting assembly (40), the second cutting assembly (40) comprising a third cutting blade (41), a second clamping groove (132) is provided on the first clamping unit (13), the cross section of the second clamping groove (132) is semicircular, a first clamping groove (134) is provided in the second clamping groove (132), one end of the first clamping groove (134) passes through the surface of the first clamping unit (13) where the positioning groove (133) is located, and the other end of the first clamping groove (134) passes through the surface of the first clamping unit (13) opposite to the surface where the positioning groove (133) is located; the third cutting blade (41) can be engaged in the first clamping groove (134).

9. A portable vegetable grafting device according to claim 1, characterized in that: The second cutting assembly (40) further comprises a fourth cutting blade (42); a second clamping groove (135) is provided in the second clamping groove (132); one end of the second clamping groove (135) passes through the surface where the positioning groove (133) in the first clamping unit (13) is located, and the other end of the second clamping groove (135) passes through a surface opposite to the surface where the positioning groove (133) in the first clamping unit (13) is located; the other end of the first clamping groove (134) is connected to the other end of the second clamping groove (135); when the fourth cutting blade (42) is engaged in the second clamping groove (135), the third cutting blade (41) and the fourth cutting blade (42) are arranged crosswise.

10. A vegetable grafting method, characterized in that: A portable vegetable grafting device according to any one of claims 1 to 9, comprising the following steps: S1: placing a rootstock between the first clamping assembly and the second clamping assembly, and based on the first clamping assembly and the second clamping assembly being close to each other, the first cutting blade and the second cutting blade are close to the second clamping assembly; S2: based on the first cutting blade and the second cutting blade approaching the second clamping assembly, the first cutting blade cuts the rootstock along the radial direction of the rootstock, and the second cutting blade cuts the rootstock along the axial direction of the rootstock; S3: Based on the first cutting blade cutting off the stock radially, the second cutting blade cuts through the rod diameter axially, so that the first clamping assembly and the second clamping assembly move upward along the axial direction of the stock until the second cutting blade cuts the upper end of the stock.

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