An upper clamp device for grafting
By designing an upper clamping device for grafting, multiple seedlings can be fixed simultaneously, solving the problems of low grafting efficiency and inconsistent operation in existing technologies, improving the efficiency and precision of large-scale grafting, and reducing the intensity of manual labor.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
- Filing Date
- 2025-06-19
- Publication Date
- 2026-06-16
AI Technical Summary
Existing automated grafting devices are unable to handle the grafting and fixing of multiple seedlings simultaneously, resulting in low grafting efficiency, inconsistent operations, and time and labor costs, which affects the success rate, especially in large-scale grafting operations.
Design an upper clamping device including a tray and a clamping and pushing structure. Through the reciprocating motion of the lower clamping plate and the upper clamping plate, multiple clamping protrusions are formed, which can simultaneously push and fix multiple grafting clamps to the rootstock and scion interface. Combined with the clamping and conveying structure and the cutting structure, efficient clamping operation of multiple seedlings can be achieved.
It improves the application efficiency of grafting clips, ensures a tight fit between the grafting clip and the seedling incision, reduces the intensity of manual labor, and guarantees the consistency and precision of operation. It is suitable for efficient grafting processes in large-scale seedling bases.
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Figure CN224356726U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to an upper clamping device for plant grafting, belonging to the technical field of grafting devices. It is particularly suitable for clamp installation operations in plant and vegetable grafting. Background Technology
[0002] Vegetable grafting is a common agricultural technique used to improve crop disease resistance, yield, and quality. During grafting, the precise alignment and fixation of the cut surfaces of the rootstock and scion is a crucial step. This alignment is achieved using clamps (grafting clips) to hold the rootstock and scion together, ensuring their angled cut surfaces align. Traditionally, this clamping operation is done manually, with each clip individually placed at the cut surface of the rootstock and scion. This is not only time-consuming and labor-intensive but also difficult to guarantee efficiency and consistency. Especially in large-scale grafting operations, manual operation is inefficient, easily resulting in loose clamp fits or inaccurate positioning, thus affecting the grafting success rate.
[0003] Existing automated grafting devices still have shortcomings in the application of grafting clamps. Most devices can only push a single grafting clamp at a time, which is insufficient to meet the needs of large-scale agricultural grafting and cannot handle the grafting and fixing of multiple seedlings simultaneously. Utility Model Content
[0004] In order to overcome the problems existing in the prior art, this utility model provides an upper clamping device for grafting, which is beneficial to improve the application efficiency of grafting clamps in grafting operations and facilitates the simultaneous clamping operation of multiple scions and rootstocks. The specific technical solution is as follows.
[0005] A grafting clamping device, characterized in that it includes a support plate and a clamping and pushing structure;
[0006] The clamping and pushing structure includes a lower clamping plate and an upper clamping plate;
[0007] Both the lower and upper feeding clamps are capable of reciprocating along the clamping direction; the lower feeding clamp is located between the upper feeding clamp and the support plate.
[0008] The lower clamping plate has several clamping protrusions spaced apart on its edge, and the upper clamping plate has several clamping protrusions spaced apart on its edge. The clamping protrusions of the lower clamping plate and the upper clamping plate are alternately spaced apart, forming several spaces for accommodating the grafting clamp.
[0009] The lower and upper feeding plates are located above the pallet and reciprocate relative to the pallet along the pushing direction.
[0010] Using the above technical solution, the clamping protrusions of the lower and upper clamping plates form several spaces for accommodating grafting clips. When grafting clips are present in these spaces, by driving the lower and upper clamping plates to move in opposite directions along the clamping direction, the clamping openings of several grafting clips can be opened or closed simultaneously. The driving mechanism then pushes the grafting clip assembly to the interface between the rootstock and scion for clamping. This allows for the simultaneous clamping of multiple scions and rootstocks, greatly improving clamping efficiency.
[0011] Preferably, the number of spaces is greater than or equal to 2.
[0012] Furthermore, it also includes a base frame, with both the lower and upper clamping plates movably disposed relative to the base frame; a baffle is fixedly disposed on the base frame, the baffle being located at the center of the space. The baffle facilitates the positioning of the grafting clamp, ensuring that the opening and closing of the grafting clamp is smooth and reliable.
[0013] Furthermore, the bottom frame is provided with guide protrusions, and both the lower and upper feeding plates are provided with guide grooves, with the guide protrusions located within the guide grooves. The guide protrusions and guide grooves provide motion guidance for the lower and upper feeding plates.
[0014] Furthermore, the upper clamping device also includes: a frame, a clamping and conveying structure, and a cutting structure;
[0015] The clamping and conveying structure includes a clamping seat and a pressure bar. The pressure bar is movably disposed relative to the clamping seat. The clamping seat and the pressure bar form a plurality of channels for the grafting strip to pass through. When the pressure bar moves relative to the clamping seat, the clamping and conveying structure can clamp or release the grafting strip. The clamping seat can move vertically relative to the frame under the drive of a first driving mechanism. The channels are aligned with the space in the vertical direction.
[0016] The cutting structure is located below the clamping and conveying structure, and the cutting structure is used to cut the grafting clip strip into individual grafting clips.
[0017] Preferably, the pressure bar is connected to the second drive mechanism, and the pressure bar moves closer to or further away from the clamping seat under the drive of the second drive mechanism.
[0018] Further, the cutting structure includes a cutter and a third driving mechanism. The cutter is located between the upper feeding plate and the clamping seat, and the third driving mechanism drives the cutter to cut the grafting strip. After the grafting strip is cut, a single grafting clip is formed, which is located within the space formed by the clamping protrusions of the lower and upper feeding plates, and is supported by a support plate and positioned by the bottom frame. Preferably, the cutting structure also includes a positioning seat with a positioning channel for the grafting strip to pass through, the positioning channel being vertically aligned with the space; the positioning seat cooperates with the cutter to cut the grafting strip. Preferably, the positioning seat includes an upper positioning seat and a lower positioning seat, and the cutter is located in the gap between the upper and lower positioning seats. By setting the positioning seat, the horizontal positioning of the grafting strip is achieved, preventing the grafting strip from swinging during the cutting operation.
[0019] Furthermore, the cross-sectional shape of the grafting clip is Y-shaped, and the cross-section of the channel is adapted to the outer contour of the grafting clip.
[0020] Compared with the prior art, this utility model can complete the clamping operation of multiple grafting clips at one time, which can not only improve grafting efficiency and ensure a tight fit between the grafting clip and the seedling cut, but also ensure the consistency and precision of the operation, greatly reduce the intensity of manual labor, and provide an efficient and reliable solution for grafting vegetables, especially suitable for the grafting process of large-scale seedling bases. Attached Figure Description
[0021] Figure 1 This is a three-dimensional schematic diagram of the upper clamping device of this utility model;
[0022] Figure 2 This is a schematic diagram of the base frame (showing the tray);
[0023] Figure 3 This is a schematic diagram of the combined bottom frame and the lower feeding plate (showing the tray);
[0024] Figure 4 This is a schematic diagram showing the combination of the bottom frame, the lower feeding plate, and the upper feeding plate (showing the pallet);
[0025] Figure 5 This is a schematic diagram of the clamping and pushing structure (without the grafting clip).
[0026] Figure 6 This is a schematic diagram of the clamping and pushing structure (clamping grafting clip state);
[0027] Figure 7 This is a three-dimensional schematic diagram (front view) of the clamping and conveying structure and the cutting structure;
[0028] Figure 8 This is a three-dimensional schematic diagram (back side) of the clamping and conveying structure and the cutting structure;
[0029] Figure 9 This is a schematic diagram of the clamping and conveying structure;
[0030] Figure 10 This is a schematic diagram showing the positional relationship between the clamping and pushing structure, the lower positioning seat, and the cutter.
[0031] Figure 11 This is a diagram showing the grafting clip in its open and closed states.
[0032] In the diagram: 1. Clamping and pushing structure; 1.1. Bottom frame; 1.2. Lower clamping plate; 1.3. Upper clamping plate; 1.4. Clamping protrusion; 1.5. Space; 1.6. Guide protrusion; 1.7. Guide strip groove; 1.8. Baffle; 2. Clamping and conveying structure; 2.1. Clamping seat; 2.2. First drive mechanism; 2.3. Second drive mechanism; 2.4. Channel; 2.5. Cutting structure; 3. Cutter; 3.1. Third drive mechanism; 3.2. Upper positioning seat; 3.3. Lower positioning seat; 3.4. Positioning channel; 3.5. Grafting clamp; 4. Clamping opening; 4.1. Grafting clamping strip; 5. Frame; 6. Upper clamping drive mechanism; 7. Support plate; 8. Clamping direction A; Pushing direction B. Detailed Implementation
[0033] The present invention will now be described in further detail with reference to the accompanying drawings.
[0034] See Figures 1-11 A clamping device for grafting includes a clamping and pushing structure 1, a clamping and conveying structure 2, a tray 8, and a cutting structure 3.
[0035] The clamping and pushing structure 1 includes a bottom frame 1.1, a lower clamping plate 1.2, and an upper clamping plate 1.3;
[0036] Both the lower clamping plate 1.2 and the upper clamping plate 1.3 are movably arranged relative to the bottom frame 1.1, and both the lower clamping plate 1.2 and the upper clamping plate 1.3 can reciprocate relative to the bottom frame 1.1 along the clamping direction; the lower clamping plate 1.2 is located between the upper clamping plate 1.3 and the bottom frame 1.1; those skilled in the art will understand that the lower clamping plate 1.2 and the upper clamping plate 1.3 can move relative to the bottom frame 1.1 under the action of a linear drive mechanism (such as a cylinder, lead screw, gear and rack mechanism, etc.); the clamping direction A refers to the opening (closing) direction of the clamping port 4.1 of the grafting clamp 4;
[0037] The lower feeding plate 1.2 has a plurality of clamping protrusions 1.4 spaced apart along its edge, and the upper feeding plate 1.3 has a plurality of clamping protrusions 1.4 spaced apart along its edge. The clamping protrusions 1.4 of the lower feeding plate 1.2 and the upper feeding plate 1.3 are alternately spaced apart, forming a plurality of spaces 1.5 for accommodating the grafting clips 4. Preferably, the number of spaces 1.5 is greater than or equal to 2.
[0038] A guide protrusion 1.6 is provided on the bottom frame 1.1, and guide grooves 1.7 are provided on both the lower clamping plate 1.2 and the upper clamping plate 1.3. The guide protrusion 1.6 is located within the guide grooves 1.7. The guide protrusion 1.6 and the guide grooves 1.7 provide motion guidance for the lower clamping plate 1.2 and the upper clamping plate 1.3. It should be noted that the guidance control of the bottom frame 1.1 and the lower clamping plate 1.2 and the upper clamping plate 1.3 does not necessarily rely solely on the protrusion 1.6, but can also rely on the frame or directly rigidly fix a linear drive mechanism. Preferably, a baffle 1.8 is fixedly provided on the bottom plate 1.1, and the baffle 1.8 is located at the center of the space 1.5. The baffle 1.8 is used to position the grafting clip 4. A support plate 8 is provided below the bottom frame 1.1 to support the grafting clip 4.
[0039] The grafting clip 4, which falls on the tray 8, is delivered to the grafting interface of the plant vegetable by the drive mechanism 7 along the pushing direction B.
[0040] The clamping and conveying structure 2 includes a clamping seat 2.1 and a pressure bar 2.2. The pressure bar 2.2 is movably arranged relative to the clamping seat 2.1. The clamping seat 2.1 and the pressure bar 2.2 form a plurality of channels 2.5 for the grafting clips 4 to pass through. When the pressure bar 2.2 moves relative to the clamping seat 2.1, the clamping and conveying structure 2 can clamp or release the grafting clips 5. The clamping seat 2.1 can move vertically relative to the frame 6 under the drive of the first drive mechanism 2.3. The channels 2.5 are aligned with the space 1.5 in the vertical direction. The pressure bar 2.2 is connected to the second drive mechanism. Under the drive of the second drive mechanism 2.4, the pressure bar 2.2 moves closer to or away from the clamping seat 2.1.
[0041] The cutting structure 3 is located below the clamping and conveying structure 2. The cutting structure 3 is used to cut the grafting strip 5 into individual grafting clips 4. The cutting structure 3 includes a cutter 3.1 and a third drive mechanism 3.2. The cutter 3.1 is located between the upper feeding plate 1.3 and the clamping seat 2.1. The third drive mechanism 3.2 drives the cutter 3.1 to cut the grafting strip 5. After the grafting strip 5 is cut, an individual grafting clip 4 is formed. This grafting clip 4 is located within the space 1.5 formed by the clamping protrusions 1.4 of the lower feeding plate 1.2 and the upper feeding plate 1.3, and is supported by the support plate 8. Preferably, the cutting structure 3 also includes a positioning seat with a positioning channel 3.5 through which the grafting strip 5 passes. The positioning channel 3.5 is vertically aligned with the space 1.5. The positioning seat cooperates with the cutter 3.1 to cut the grafting strip 5. Preferably, the positioning base includes an upper positioning base 3.3 and a lower positioning base 3.4, with the cutter 3.1 located in the gap between the upper positioning base 3.3 and the lower positioning base 3.4. By setting the positioning base 3.3, the horizontal positioning of the grafting clamp 5 is achieved, preventing the grafting clamp 5 from swinging when the cutter 3.1 performs the cutting operation. It should be noted that either the upper positioning base 3.3 or the lower positioning base 3.4 can be omitted, and the cutting operation can still be achieved. Preferably, both the upper positioning base 3.3 and the lower positioning base 3.4 are present. The frame 6 is the basic support structure, and both the clamping base 2.1 and the cutter 3.1 are movably arranged relative to the frame 6.
[0042] Among them, the grafting clip 5 is made of soft plastic material by extrusion and is a long strip profile. The grafting clip 5 is cut into individual grafting clips 4 by the cutter 3.1. Both the grafting clip 5 and the grafting clip 4 belong to the prior art. Usually, the cross-sectional shape of the grafting clip 5 is Y-shaped, and the cross-section of the channel 2.5 and the positioning channel 3.5 is adapted to the outer contour of the grafting clip 5. Figure 5 , Figure 6 , 11 As shown, the clamping opening 4.1 can be opened by pressing the two ends of the grafting clip 4 with the two clamping protrusions 1.4, and the two clamping protrusions 1.4 can release the ends of the grafting clip 4 to clamp the rootstock and scion together.
[0043] Among them, the first drive mechanism 2.3, the second drive mechanism 2.4, and the third drive mechanism 3.2 can all adopt known linear drive mechanisms to drive the corresponding parts to perform linear motion.
[0044] Working principle: Several grafting strips 5 ( Figure 1(Only 3 grafting clips are shown in the diagram) are inserted into the channel 2.5 of the clamping and conveying structure 2. The pressure strip 2.2 approaches the clamping seat 2.1 under the drive of the second drive mechanism 2.4. The pressure strip 2.2 and the clamping seat 2.1 clamp the grafting clip 5 in the channel 2.5. Then, the clamping seat 2.1 moves vertically downward relative to the frame 6 under the drive of the first drive mechanism 2.3 (the pressure strip 2.2 and the clamping seat 2.1 move downward together). The lower end of the grafting clip 5 enters the position to be cut (enters the positioning channel 3.5 of the upper positioning seat 3.3 and the lower positioning seat 3.4). The cutter 3.1 moves between the upper positioning seat 3.3 and the lower positioning seat 3.4 under the drive of the third drive mechanism 3.2. The lower end of the grafting clip 5 is cut by the cutter 3.1 to form a single grafting clip 4 (if there is a lower positioning seat 3.4, the grafting clip 4 will fall from the lower positioning seat 3.4). If there is no lower positioning seat 3.4, the lower end of the grafting clip 5 can be cut when it contacts the tray 8. The grafting clip 4 is supported on the tray 8 and located in the space 1.5 formed by the clamping protrusion 1.4. At this time, by driving the lower clamping plate 1.2 and the upper clamping plate 1.3 to move in opposite directions along the clamping direction, the clamping openings 4.1 of several grafting clips 4 can be opened at the same time. Then, under the drive of the upper clamping drive mechanism 7, the lower clamping plate 1.2 and the upper clamping plate 1.3 of the bottom frame 1.1 can move the grafting clip 4 to the position where the cuts of the rootstock (not shown) and the scion (not shown) fit together. The lower clamping plate 1.2 and the upper clamping plate 1.3 move in opposite directions along the clamping direction to release several grafting clips 4. Several grafting clips 4 clamp and fix the cuts of the rootstock and scion, completing the clamping operation of multiple rootstocks and scions.
[0045] The embodiments of the present invention have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features described herein can be combined with each other. The present invention is not limited to the specific embodiments described above; these embodiments are merely illustrative and not limiting. Those skilled in the art, under the guidance of the present invention, can make many modifications without departing from the spirit and scope of the claims, and all such modifications fall within the protection scope of the present invention.
Claims
1. A grafting clamp device, characterized in that, Includes a tray (8) and a clamping and pushing structure (1); The clamping and pushing structure (1) includes a lower clamping plate (1.2) and an upper clamping plate (1.3); Both the lower feeding clamp (1.2) and the upper feeding clamp (1.3) are capable of reciprocating along the clamping direction; the lower feeding clamp (1.2) is located between the upper feeding clamp (1.3) and the support plate (8); The lower feeding plate (1.2) has a plurality of clamping protrusions (1.4) spaced apart on its edge, and the upper feeding plate (1.3) has a plurality of clamping protrusions (1.4) spaced apart on its edge. The clamping protrusions (1.4) of the lower feeding plate (1.2) and the clamping protrusions (1.4) of the upper feeding plate (1.3) are alternately spaced apart, and the clamping protrusions (1.4) of the lower feeding plate (1.2) and the clamping protrusions (1.4) of the upper feeding plate (1.3) form a plurality of spaces (1.5) for accommodating grafting clips.
2. The upper clamping device for grafting according to claim 1, characterized in that, The number of spaces (1.5) is greater than or equal to 2.
3. The upper clamping device for grafting according to claim 1, characterized in that, It also includes a bottom frame (1.1), and the lower feeding plate (1.2) and the upper feeding plate (1.3) are both movably arranged relative to the bottom frame (1.1); a baffle (1.8) is fixedly arranged on the bottom frame (1.1), and the baffle (1.8) is located at the center of the space (1.5).
4. The grafting clamp device according to claim 3, characterized in that, The bottom frame (1.1) is provided with a guide protrusion (1.6), and the lower feeding plate (1.2) and the upper feeding plate (1.3) are both provided with guide strip grooves (1.7), and the guide protrusion (1.6) is located in the guide strip groove (1.7).
5. The upper clamping device for grafting according to claim 1, characterized in that, The upper clamping device also includes: a frame (6), a clamping and conveying structure (2), and a cutting structure (3); The clamping and conveying structure (2) includes a clamping seat (2.1) and a pressure bar (2.2). The pressure bar (2.2) is movably disposed relative to the clamping seat (2.1). The clamping seat (2.1) and the pressure bar (2.2) form a plurality of channels (2.5) through which the grafting clamp (5) passes. When the pressure bar (2.2) moves relative to the clamping seat (2.1), the clamping and conveying structure (2) can clamp or release the grafting clamp (5). The clamping seat (2.1) can move vertically relative to the frame (6) under the drive of the first driving mechanism (2.3). The channels (2.5) are aligned with the space (1.5) in the vertical direction. The cutting structure (3) is located below the clamping and conveying structure (2), and the cutting structure (3) is used to cut the grafting clip (5) to form a single grafting clip (4).
6. The upper clamping device for grafting according to claim 5, characterized in that, The pressure bar (2.2) is connected to the second drive mechanism (2.4), and the pressure bar (2.2) moves closer to or further away from the clamping seat (2.1) under the drive of the second drive mechanism (2.4).
7. The upper clamping device for grafting according to claim 5, characterized in that, The cutting structure (3) includes a cutter and a third driving mechanism (3.2). The cutter (3.1) is located between the upper feeding plate (1.3) and the clamping seat (2.1). The third driving mechanism (3.2) is used to drive the cutter (3.1) to cut the grafting strip (5).
8. The upper clamping device for grafting according to claim 7, characterized in that, The cutting structure (3) further includes a positioning seat having a positioning channel (3.5) through which the grafting clip (5) passes, the positioning channel (3.5) being aligned vertically with the space (1.5); the positioning seat cooperates with the cutter (3.1) to cut the grafting clip (5).
9. A grafting clamp device according to claim 8, characterized in that, The positioning seat includes an upper positioning seat (3.3) and a lower positioning seat (3.4), and the cutter (3.1) is located in the gap between the upper positioning seat (3.3) and the lower positioning seat (3.4).
10. The upper clamping device for grafting according to claim 5, characterized in that, The cross-sectional shape of the grafting clip (5) is Y-shaped, and the cross-section of the channel (2.5) is adapted to the outer contour of the grafting clip (5).