Grafting device for apple seedlings

Abstract

The utility model provides a kind of grafting device for apple nursery stock, including base, bottom claw, electric cylinder, support, top plate, the bottom claw is fixedly connected in the four corners of base side face, the top surface of base is fixedly connected with electric cylinder, the electric cylinder is vertically installed.The utility model has the advantages that since bud wood is fixed and does not shake, this protects the grafting opening position of bud wood and stock, improves grafting survival rate, and also frees the hands of technical personnel, facilitating its operation.The height of lifting seat can be adjusted according to the different positions of bud wood, specifically by adjusting electric cylinder, when the output end of electric cylinder is ejected, lifting seat and optical axis are raised, when the output end of electric cylinder is retracted, lifting seat and optical axis are lowered, then the included angle of first rotary arm and second rotary arm is adjusted according to the specific position of bud wood, then the insert and hoop inside the sleeve ring are detachable fittings, which can be selected and adapted according to the specific diameter of bud wood, and are more flexible to use.

Description

Technical Field

[0001] This utility model relates to the field of seedling grafting technology, and in particular to a grafting device for apple seedlings. Background Technology

[0002] In fruit tree cultivation, grafting is a key method for improving varieties, increasing yields, and enhancing resistance to adverse conditions, especially important for the large-scale production of apple seedlings. Traditional apple seedling grafting methods rely primarily on manual operation. Technicians first make a small incision in the upper part of the rootstock, then shape the bud into a wedge and insert it into the incision, ensuring close contact between the bud and the woody parts of the rootstock. Subsequently, grafting tape or adhesive tape is used to fix the joint to maintain stability and prevent infection. While this method is simple and easy to perform, its inherent defects are becoming increasingly apparent as modern agriculture demands higher efficiency and quality. Specifically, the following problems exist: Unstable fixation leads to low grafting survival rates: During manual grafting, the junction of the bud and rootstock lacks an effective mechanical fixation device. Technicians must hold the bud steady with one hand while operating the tape with the other, which easily causes the bud to wobble or shift during the process. Even slight movement of the bud can create gaps at the woody contact surface between the rootstock cut and the bud, disrupting the cambium adhesion and affecting nutrient transport and healing. Statistics show that poor junctions caused by wobble can reduce the survival rate by 10%-20% in manual grafting, especially for weak or small buds. This not only increases regrafting costs but also prolongs the seedling cycle.

[0003] Inconvenient operation and low efficiency: Existing technologies rely on purely manual operation or simple auxiliary tools (such as handheld clamps), but these tools cannot free up the hands. Technicians must manually fix the buds throughout the process, making it impossible to focus on the precision requirements of tape wrapping (such as uniform tape tension and tight sealing). This operation mode is not only labor-intensive and tiring, but also prolongs the grafting time per tree (averaging 1-2 minutes) due to poor coordination. In large-scale orchards, low efficiency becomes a bottleneck. Therefore, a grafting device for apple seedlings is proposed to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to at least solve one of the aforementioned technical defects.

[0005] Therefore, one objective of this utility model is to provide a grafting device for apple seedlings to solve the problems mentioned in the background art and overcome the shortcomings of the existing technology.

[0006] To achieve the above objectives, one embodiment of the present invention provides a grafting device for apple seedlings, including a base, bottom claws, an electric cylinder, a support rod, and a top plate. The bottom claws are fixedly connected to the four corners of the side of the base, and the electric cylinder is fixedly connected to the top surface of the base. The electric cylinder is installed vertically. The top surface of the base is fixedly connected to several support rods, and the top end of each support rod is fixedly connected to a top plate. The top plate is fixedly connected to the top of the electric cylinder, and a connector is fixedly connected to the end of the output end of the electric cylinder. An optical axis is fixedly connected to the bottom of the connector. The optical axis is movably connected to a predetermined position on the top plate. The optical axis is liftable. A lifting seat is fixedly connected to the bottom end of the optical axis. A first rotating arm is movably connected to the side of the lifting seat. A second rotating arm is movably connected to the end of the first rotating arm. Fasteners are fastened at the movable connection between the lifting seat and the first rotating arm. Fasteners are also fastened at the movable connection between the first rotating arm and the second rotating arm. The end of the second rotating arm is fixedly connected to a collar, which is semi-circular, and another collar is detachably connected to one side of the collar; The inner side of the collar has an arc-shaped slot, into which a plug is inserted. A hoop is fixedly connected to the inner side of the plug, and the width of the hoop is optional.

[0007] Preferably, in any of the above solutions, the base is welded to the bottom claw, and the electric cylinder is located on one side of the optical axis.

[0008] Using the above technical solution: This device is specifically designed for grafting apple seedlings. During grafting, a small section is cut open at the top of the seedling with a knife. Then, a small section of the bud is shaped into a wedge and inserted into the cut, so that the woody part of the bud and the rootstock are in close contact. After grafting, grafting tape or adhesive tape can be used to fix the joint between the bud and the rootstock to maintain stability and protection.

[0009] The purpose of this device is to adjust the height of the lifting seat, adjust the angle between the first and second rotating arms, tighten the fasteners, assemble the collar, insert the corresponding insert and hoop into the slot according to the diameter of the apple bud, use the hoop to secure the bud, and then tighten the collar to secure the bud. In this way, when the user wraps the sealing tape, the bud will not shake because it is fixed in place. This will protect the grafting opening position of the bud and the rootstock, improve the grafting survival rate, and also free up the hands of the technicians, making it easier for them to operate.

[0010] The height of the lifting seat can be adjusted according to the different positions of the bud. Specifically, it is adjusted by an electric cylinder. When the output end of the electric cylinder pushes out, the lifting seat and the optical shaft rise. When the output end of the electric cylinder retracts, the lifting seat and the optical shaft fall. Then, the angle between the first and second rotating arms can be adjusted according to the specific position of the bud. Then, the plug and hoop inside the collar are detachable accessories, which can be selected and adapted according to the specific diameter of the bud, making it more flexible to use.

[0011] Preferably, in any of the above embodiments, the top plate is located directly above the base, the connector is connected to the end of the electric cylinder output end via a flange, and the connector is connected to the top of the optical axis via screws.

[0012] The above technical solution comprises the following device structures: Support system: Base: A rectangular metal platform with welded claws at the four corners for ground fixation. Electric cylinder: Vertically mounted at the center of the base, with the output end facing upwards. Support rods: Four uprights symmetrically distributed around the electric cylinder, with their tops connected to a top plate to form a rigid frame.

[0013] Lifting Mechanism: Connector: Flange connected to the end of the electric cylinder output. Optical Shaft: The upper end is fixed to the connector with screws, and the lower end slides through the guide hole in the top plate. Lifting Base: Fixed to the bottom end of the optical shaft, with a hinge hole on the side.

[0014] robotic arm system: The first and second swing arms are connected in series via a hinge shaft, and fasteners (bolts + washer-equipped hexagonal nuts) are installed at the connection points.

[0015] Collar: A semi-circular metal part, installed in pairs at the end of the second rotating arm, with the ends locked by bolts and nuts.

[0016] Clamping Module: Slot: Opened in an arc shape along the inner side of the collar. Insert: Rubber strip, inserted into the slot. Hoop: Rubber ring, fixed to the inside of the insert, available in widths of 3mm / 5mm / 8mm.

[0017] Preferably, in any of the above solutions, the fastener is a bolt and a washered hexagonal nut, the washered hexagonal nut is threadedly connected to the bolt, and the washered hexagonal nut is tightened to secure the angles of the first and second rotating arms.

[0018] Preferably, in any of the above embodiments, the collar has ends at both ends, and the ends are connected by bolts and nuts.

[0019] Preferably, in any of the above solutions, both the plug-in and the hoop are made of rubber.

[0020] Compared with the prior art, the advantages and beneficial effects of this utility model are as follows: The grafting device for apple seedlings involves adjusting the height of the lifting seat, adjusting the angle between the first and second rotating arms, tightening the fasteners, assembling the collar, inserting the corresponding insert and hoop into the slot according to the diameter of the apple bud, securing the bud with the hoop, and then tightening the collar to secure the bud. This way, when the user wraps the sealing tape, the bud will not move because it is fixed in place. This protects the grafting opening between the bud and the rootstock, improves the grafting survival rate, and also frees up the technician's hands, making the operation easier.

[0021] The height of the lifting seat can be adjusted according to the different positions of the bud. Specifically, it is adjusted by an electric cylinder. When the output end of the electric cylinder pushes out, the lifting seat and the optical shaft rise. When the output end of the electric cylinder retracts, the lifting seat and the optical shaft fall. Then, the angle between the first and second rotating arms can be adjusted according to the specific position of the bud. Then, the plug and hoop inside the collar are detachable accessories, which can be selected and adapted according to the specific diameter of the bud, making it more flexible to use.

[0022] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0023] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a first-view structural schematic diagram of the present invention; Figure 2 This is a structural schematic diagram of the present invention from a second perspective; Figure 3 This utility model Figure 2 Enlarged structural diagram at point A; Figure 4 This is a schematic diagram of the structure of the collar after the plug is installed.

[0024] In the diagram: 1-base, 2-bottom claw, 3-electric cylinder, 4-support rod, 5-top plate, 6-connector, 7-optical axis, 8-lifting seat, 9-first rotating arm, 10-second rotating arm, 11-fastener, 12-ring, 13-slot, 14-plug, 15-hoop. Detailed Implementation

[0025] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0026] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0027] like Figure 1-4 As shown, this grafting device for apple seedlings includes a base 1, a bottom claw 2, an electric cylinder 3, a support rod 4, and a top plate 5. The bottom claw 2 is fixedly connected to the four corners of the side of the base 1, and the electric cylinder 3 is fixedly connected to the top surface of the base 1. The electric cylinder 3 is installed vertically. Several support rods 4 are fixedly connected to the top surface of the base 1, and a top plate 5 is fixedly connected to the top of the support rods 4; The top plate 5 is fixedly connected to the top of the electric cylinder 3. The output end of the electric cylinder 3 is fixedly connected to the connector 6, and the bottom of the connector 6 is fixedly connected to the optical axis 7. The optical axis 7 is movably connected to the top plate 5 at a predetermined position. The optical axis 7 can be raised and lowered. The bottom end of the optical axis 7 is fixedly connected to the lifting seat 8. The side of the lifting seat 8 is movably connected to the first rotating arm 9. The end of the first rotating arm 9 is movably connected to the second rotating arm 10. The movable connection between the lifting seat 8 and the first rotating arm 9 is fastened with a fastener 11. The movable connection between the first rotating arm 9 and the second rotating arm 10 is also fastened with a fastener 11. The end of the second rotating arm 10 is fixedly connected to a collar 12, which is semi-circular, and another collar 12 is detachably connected to one side of the collar 12. The inner side of the collar 12 has an arc-shaped slot 13, into which a plug 14 is inserted. The inner side of the plug 14 is fixedly connected to a hoop 15, the width of which is optional.

[0028] Example 1: The base 1 is welded to the bottom claw 2, and the electric cylinder 3 is located on one side of the optical axis 7. The top plate 5 is located directly above the base 1. The connector 6 is connected to the end of the output end of the electric cylinder 3 via a flange, and the connector 6 is connected to the top of the optical axis 7 via screws. The fastener 11 specifically consists of bolts and wasted hexagonal nuts. The wasted hexagonal nuts are threadedly connected to the bolts, and after the wasted hexagonal nuts are tightened, they secure the angles of the first rotating arm 9 and the second rotating arm 10. The collar 12 has ends at both ends, which are connected by bolts and nuts. The insert 14 and the hoop 15 are both made of rubber.

[0029] Example 2: This device is specifically designed for grafting apple seedlings. During grafting, a small section is cut open at the top of the seedling with a knife. Then, a small section of the bud is shaped into a wedge and inserted into the cut, so that the woody part of the bud and the rootstock are in close contact. After grafting, grafting tape or adhesive tape can be used to fix the joint between the bud and the rootstock to maintain stability and protection.

[0030] Device Structure: Support System: Base 1: A rectangular metal platform with four welded claws 2 for ground fixation. Electric Cylinder 3: Vertically mounted at the center of Base 1, with the output end facing upwards. Support Rods 4: Four uprights symmetrically distributed around the Electric Cylinder 3, with the top connected to a top plate 5 to form a rigid frame.

[0031] Lifting mechanism: Connector 6: Flange connection to the output end of electric cylinder 3. Optical shaft 7: The upper end is fixed to connector 6 with screws, and the lower end slides through the guide hole of top plate 5. Lifting seat 8: Fixed to the bottom end of optical shaft 7, with hinge holes on the side.

[0032] robotic arm system: The first rotating arm 9 and the second rotating arm 10 are connected in series by a hinge shaft, and fasteners 11 (bolts + washered hexagonal nuts) are provided at the connection points.

[0033] Collar 12: A semi-circular metal part, installed in pairs at the end of the second rotating arm 10, with the ends locked by bolts and nuts.

[0034] Clamping module: Slot 13: Opened in an arc shape along the inner side of collar 12. Insert 14: Rubber strip, inserted into slot 13. Hoop 15: Rubber ring band, fixed to the inner side of insert 14, with widths of 3mm / 5mm / 8mm and other specifications.

[0035] The working principle of this utility model is as follows: Positioning and adjustment stage: Start the electric cylinder 3 to drive the optical axis 7 to rise and fall → drive the lifting seat 8 to the height of the rootstock incision, loosen the fastener 11 → adjust the angle between the first rotating arm 9 and the second rotating arm 10 → align the center of the collar 12 with the grafting position; tighten the fastener 11 to lock the joint angle.

[0036] Sprout clamping stage: Select a hoop 15 that matches the diameter of the bud → attach it to the inside of the corresponding plug 14; insert the plug 14 into the slot 13 of the collar 12; open the collar 12 to hug the bud → tighten the bolt ends to form a closing pressure; Grafting assistance stage: The technician inserts the wedge-shaped end of the bud into the incision of the rootstock; the elastic pressure of the hoop 15 prevents the bud from shifting; the clamping mechanism provides reverse support force when the grafting tape is wrapped; after completion, the constraint can be released by loosening the bolt of the collar 12.

[0037] Compared with the prior art, the present invention has the following advantages: The grafting device for apple seedlings involves adjusting the height of the lifting seat 8, then adjusting the angle between the first rotating arm 9 and the second rotating arm 10, tightening the fastener 11, assembling the collar 12, and inserting the corresponding insert 14 and hoop 15 into the slot 13 according to the diameter of the apple bud. The bud is then secured with the hoop 15, and the collar 12 is tightened to secure the bud. This way, when the user wraps the sealing tape, the bud will not shake because it is fixed in place. This protects the grafting opening between the bud and the rootstock, improves the grafting survival rate, and also frees up the technician's hands, making the operation easier.

[0038] The height of the lifting seat 8 can be adjusted according to the different positions of the bud. Specifically, it is adjusted by the electric cylinder 3. When the output end of the electric cylinder 3 pushes out, the lifting seat 8 and the optical shaft 7 rise. When the output end of the electric cylinder 3 retracts, the lifting seat 8 and the optical shaft 7 fall. Then, the included angle of the first rotating arm 9 and the second rotating arm 10 is adjusted according to the specific position of the bud. Then, the plug 14 and the hoop 15 inside the collar 12 are detachable accessories, which can be selected and adapted according to the specific diameter of the bud, making the use more flexible.

Claims

1. A grafting device for apple seedlings, characterized in that, Includes a base (1), bottom claws (2), electric cylinder (3), support rod (4), and top plate (5). The bottom claws (2) are fixedly connected to the four corners of the side of the base (1), and the electric cylinder (3) is fixedly connected to the top surface of the base (1). The electric cylinder (3) is installed vertically. The top surface of the base (1) is fixedly connected with several support rods (4), and the top end of the support rods (4) is fixedly connected with a top plate (5). The top plate (5) is fixedly connected to the top of the electric cylinder (3), and a connector (6) is fixedly connected to the end of the output end of the electric cylinder (3). An optical axis (7) is fixedly connected to the bottom of the connector (6). The optical axis (7) is movably connected to the top plate (5) at a predetermined position. The optical axis (7) is liftable. The bottom end of the optical axis (7) is fixedly connected to a lifting seat (8). The side of the lifting seat (8) is movably connected to a first rotating arm (9). The end of the first rotating arm (9) is movably connected to a second rotating arm (10). The movable connection between the lifting seat (8) and the first rotating arm (9) is secured with a fastener (11). The movable connection between the first rotating arm (9) and the second rotating arm (10) is secured with a fastener (11). The end of the second rotating arm (10) is fixedly connected to a collar (12), which is semi-circular, and another collar (12) is detachably connected to one side of the collar (12). The inner side of the collar (12) is provided with an arc-shaped slot (13), and a plug (14) is inserted into the slot (13). A hoop (15) is fixedly connected to the inner side of the plug (14), and the width of the hoop (15) is optional.

2. The grafting device for apple seedlings as described in claim 1, characterized in that: The base (1) is welded to the bottom claw (2), and the electric cylinder (3) is located on one side of the optical axis (7).

3. The grafting device for apple seedlings as described in claim 2, characterized in that: The top plate (5) is located directly above the base (1), the connector (6) is connected to the end of the output end of the electric cylinder (3) by a flange, and the connector (6) is connected to the top of the optical axis (7) by screws.

4. The grafting device for apple seedlings as described in claim 3, characterized in that: The fastener (11) is specifically a bolt and a washered hexagonal nut. The washered hexagonal nut is threadedly connected to the bolt. After the washered hexagonal nut is tightened, the angle of the first rotating arm (9) and the second rotating arm (10) is tightened.

5. The grafting device for apple seedlings as described in claim 4, characterized in that: The collar (12) has ends at both ends, which are connected by bolts and nuts.

6. The grafting device for apple seedlings as described in claim 5, characterized in that: Both the plug (14) and the hoop (15) are made of rubber.

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