Multi-plant parallel accurate seedling gathering mechanism and method for solanaceous fruit grafted seedlings

Abstract

The invention discloses a multi-plant parallel accurate seedling gathering mechanism and method for solanaceous fruit grafted seedlings, and belongs to the field of automatic grafting machinery. The mechanism comprises a stroke position unit and a seedling gathering limiting unit, wherein the stroke position unit is used for adjusting the position stroke of the seedling gathering mechanism in the whole grafting machine and enabling a seedling gathering claw in the seedling gathering limiting unit to reach a preset position in the working operation process; the seedling gathering and limiting unit is installed on the upstream portion of the front end of the stroke position unit and used for gathering the cut grafted seedlings, the grafted seedlings are located at the target position through limiting, the contact area is larger when the cut grafted seedlings are in butt joint with a follow-up mechanism, and clamping work can be conveniently carried out. According to the full-automatic seedling gathering device, the cut grafted seedlings can be fully automatically gathered, and the multi-plant accurate seedling gathering of the grafting machine in a vegetable grafting planting scene can be stably realized. The efficiency and the stability of the grafting machine in the seedling gathering process can be remarkably improved, the labor cost is reduced, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of automatic grafting machines, and particularly relates to a multi-plant parallel precise bunching mechanism and method for grafted seedlings of solanaceous fruits. BACKGROUND

[0002] In recent years, with the increase of the cultivation area of crops such as vegetables, the problems of continuous cropping obstacles and pest control have become increasingly prominent. Grafting agriculture as an effective solution can cope with these challenges. However, the current grafting of vegetable seedlings mostly relies on manual work, which is high in labor cost and low in work efficiency. The existing full-automatic grafting machine using the grafting method has the problem of not properly bunching the seedlings, which leads to the requirement of high growth conditions for the grafted seedlings by the machine, and the subsequent clamping process is not smooth, thereby reducing the reliability of the grafting machine and the survival rate of the grafted seedlings. Therefore, there is a particular need for a multi-plant parallel precise bunching mechanism for grafted seedlings of solanaceous fruits, which is precise in bunching and facilitates the subsequent clamping process. SUMMARY

[0003] The present application aims to overcome the defects in the prior art, solve the problem of poor bunching effect and low reliability of the bunching mechanism of the full-automatic grafting machine in the prior art, and provide a multi-plant parallel precise bunching mechanism and method for grafted seedlings of solanaceous fruits, so as to realize the parallel precise bunching of the full-automatic grafting machine for multiple grafted seedlings.

[0004] The specific technical solutions adopted by the present application are as follows:

[0005] In a first aspect, the present application provides a multi-plant parallel precise bunching mechanism for grafted seedlings of solanaceous fruits, comprising a stroke position unit and a bunching limiting unit.

[0006] The stroke position unit is used to adjust the position stroke of the bunching mechanism in the whole grafting machine, and to make the bunching claw in the bunching limiting unit reach the preset position in the working operation.

[0007] The bunching limiting unit is installed at the front upstream of the stroke position unit, and is used to bunch the cut grafted seedlings. By limiting, the grafted seedlings are in the target position, so that the contact area between the cut grafted seedlings and the subsequent mechanism is larger when they are docked, facilitating the clamping work.

[0008] As a preferred embodiment, the stroke position unit comprises a total fixed plate, a total stroke advancing cylinder, a moving connection plate, a total moving plate and a guide rail.

[0009] The total fixed plate is located at the bottom of the whole bunching mechanism, and is used to be fixedly installed with the rack of the grafting machine; the output end of the total stroke advancing cylinder is connected with the total moving plate through the moving connection plate; the total moving plate can move linearly along the guide rail arranged on the total fixed plate under the pushing action of the total stroke advancing cylinder.

[0010] As preferred, the rear end of the total fixed plate is also connected with a trachea pressing plate; the trachea pressing plate is used for fixing the trachea connected with each cylinder, so that each trachea is orderly arranged and does not affect the operation of the bunching mechanism.

[0011] As preferred, the guide rail has several strips, which are installed on the total fixed plate in parallel.

[0012] As preferred, the total stroke pushing cylinder is located at the rear end of the total fixed plate.

[0013] As preferred, the bunching limiting unit comprises a synchronous increment cylinder, a cylinder moving plate, a bunching cylinder, a bunching claw, a push rod cylinder, a cylinder connecting plate, a limiting push rod, a push rod limiting block, a bunching plate and a rear end limiting block.

[0014] The synchronous increment cylinder is installed on the total moving plate, and the output end thereof is connected with the cylinder moving plate; the synchronous increment cylinder can drive the cylinder moving plate to move in parallel with the guide rail direction; the bunching cylinder is installed at the front end of the cylinder moving plate, and the output end thereof is connected with a bunching claw pair composed of two bunching claws; the bunching cylinder can drive the bunching claw pair to open and close left and right to perform the bunching movement.

[0015] The push rod cylinder is installed on the total moving plate, and the output end thereof is connected with the limiting push rod through the cylinder connecting plate; the push rod cylinder can drive the limiting push rod to move in parallel with the guide rail direction; the limiting push rod is provided with two push rod limiting blocks at the front end thereof; the two push rod limiting blocks are respectively located at the left and right sides of the bunching claw pair; the inner side of each push rod limiting block is respectively provided with a horizontal bunching plate; the two bunching plates respectively pass through the middle part clearance of each of the two bunching claws; the rear end limiting block is fixed between the two bunching plates; and the semi-open area formed between the rear end limiting block and the two bunching claws is used for placing the grafted seedling rod after bunching.

[0016] As preferred, the synchronous increment cylinder has at least two, which are symmetrically installed at the two sides of the front end of the total moving plate.

[0017] As preferred, the bunching cylinder has n two, which are all finger cylinders; and the bunching cylinders are installed at the front end of the cylinder moving plate at the same interval distance.

[0018] As preferred, the push rod cylinder has n two, which are respectively located at the rear of the corresponding bunching cylinder.

[0019] In the second aspect, the application provides a running method of the precise bunching mechanism for multiple parallel grafted seedlings of the solanaceous fruiting plant, which is specifically as follows:

[0020] S1: the total moving plate moves in a straight line along the guide rail under the pushing of the total stroke pushing cylinder, until the total moving plate as a whole reaches the preparation position. S2: the cylinder moving plate moves along the guide rail under the driving of the synchronous increment cylinder;

[0021] S2: All synchronous incremental cylinders drive the cylinder moving plate to continue to move forward until the seedling clamping claws reach the seedling clamping position;

[0022] S3: Each pair of seedling clamping claws is driven by the respective seedling clamping cylinder to complete the seedling clamping action and clamp the grafted seedlings;

[0023] S4: All push rod cylinders drive the respective connected limit push rods to move forward, so that the seedling clamping plate reaches the rear end of the seedling clamping position, the rear end limit block provides rear end support for the grafted seedlings, and the seedling clamping position of the grafted seedlings is accurately positioned, which facilitates the subsequent upper clamping mechanism of the grafting machine to clamp the cut and butt joint grafted seedlings.

[0024] Compared with the prior art, the present application has the following beneficial effects:

[0025] The present application adjusts the position of the grafting machine in the field according to the actual needs by the stroke position unit, determines the appropriate stroke of the mechanism, and then performs the seedling clamping work by the seedling clamping limit unit. The seedling clamping claws reach the position of the grafted seedlings by the synchronous incremental cylinder, the push rod cylinder drives the seedling clamping plate and the rear end limit block to provide reliable support and positioning for the grafted seedlings after the seedling clamping cylinder completes the seedling clamping, so that the cut grafted seedlings remain stable in position with a larger contact area, and the subsequent grafting machine upper clamping mechanism performs the clamping work. The present application can automatically realize the seedling clamping work of the cut grafted seedlings, and stably realize the multi-plant precise seedling clamping of the grafting machine in the vegetable grafting planting scene. The present application can significantly improve the efficiency and stability of the grafting machine in the seedling clamping process, reduce the labor cost, and improve the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a perspective axonometric view of a multi-plant parallel precise seedling clamping mechanism for solanaceous grafted seedlings;

[0027] Figure 2 is a plan view of a multi-plant parallel precise seedling clamping mechanism for solanaceous grafted seedlings;

[0028] Figure 3 is a left view of a multi-plant parallel precise seedling clamping mechanism for solanaceous grafted seedlings;

[0029] Figure 4 is a partial front view of a multi-plant parallel precise seedling clamping mechanism for solanaceous grafted seedlings;

[0030] Figure 5 is a structure diagram of the total moving plate and the seedling clamping plate;

[0031] Figure 6 is a structure diagram of the seedling clamping plate;

[0032] Figure 7 Structure diagram of the gathering gripper;

[0033] Figure 8 Schematic diagram of the precise gathering mechanism for multiple parallel solanaceous grafted seedlings when the push rod cylinder is pushed out;

[0034] Wherein: the total fixed plate 1, the air pipe pressing plate 2, the total stroke push cylinder 3, the moving connecting plate 4, the total moving plate 5, the guide rail 6, the synchronous increment cylinder 7, the cylinder moving plate 8, the gathering cylinder 9, the gathering gripper 10, the push rod cylinder 11, the cylinder connecting plate 12, the limit push rod 13, the push rod limiting block 14, the gathering plate 15, and the rear end limiting block 16. DETAILED DESCRIPTION

[0035] In order to make the above objectives, characteristics and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. It will be apparent, however, to one skilled in the art that the present application can be practiced in a variety of ways beyond the specific embodiments described herein without departing from the spirit of the present application. Accordingly, the present application is not intended to be limited to the specific embodiments described below, but rather, the technical features of each of the embodiments of the present application can be combined with each other without conflict, provided that the technical features are not mutually exclusive.

[0036] In the description of the present application, it should be understood that when an element is considered to be “connected” to another element, it can be directly connected to the other element or indirectly connected to the other element with an intermediate element existing therebetween. In contrast, when an element is considered to be “directly” connected to another element, no intermediate element exists therebetween.

[0037] In the present application, in order to facilitate the description, the direction of the top view as shown in Figure 2 is used to illustrate the positional relationship of the components in the device of the present application. For the “front” and “rear” of the gathering mechanism, the lower side and the upper side in Figure 2 are referred to, respectively. For the “left” and “right” of the gathering mechanism, the left side and the right side in Figure 2 are referred to, respectively. If not otherwise specified, the positional relationship of the present application is described as such.

[0038] As shown in Figures 1-4 , the present application provides a precise gathering mechanism for multiple parallel solanaceous grafted seedlings, which mainly comprises a stroke position unit and a gathering limiting unit. The stroke position unit and the gathering limiting unit cooperate with each other to realize the automatic and precise gathering function. The structure of each unit and the cooperation process between them will be described below.

[0039] As shown in Figures 1-3As shown in the drawings, the above-mentioned stroke position unit is used to adjust the position stroke of the whole bunching mechanism in the grafting machine, and to make the bunching claw in the bunching limiting unit reach the preset position in the working operation.

[0040] As shown in the drawings, Figures 1-4 As shown in the drawings, the above-mentioned bunching limiting unit is installed at the front end of the stroke position unit, which is used to bunch the cut grafting seedlings, and through the limiting (including the limiting in left and right and rear directions), the grafting seedlings are in the target position, so that the contact area is larger when the cut grafting seedlings are connected with the subsequent mechanism, and the upper clamping work is facilitated.

[0041] In theory, the structure of the above-mentioned stroke position unit and bunching limiting unit is not limited, as long as the above-mentioned functions can be realized. As a preferred way of the above-mentioned device, the stroke position unit can include a total fixed plate 1 for connecting with the grafting machine, a total stroke advancing cylinder 3 for advancing the total moving plate 5, a total moving plate 5 for installing the bunching limiting unit body, and a guide rail 6 for keeping the total moving plate 5 moving in a straight line; the bunching limiting unit can include a synchronous carry-in cylinder 7 for advancing the cylinder moving plate 8 to continue moving, a cylinder moving plate 8 for driving the bunching cylinder 9 and the bunching claw 10 to move synchronously, a bunching cylinder 9 for making the bunching claw 10 open and close to realize the bunching action, a rear end limiting block 16 for supporting the rear side of the grafting seedlings between the bunching claw 10, a push rod cylinder 11 for advancing the rear end limiting block 16 to move to the target position, a cylinder connecting plate 12, a limiting push rod 13, a push rod limiting block 14 and a bunching plate 15.

[0042] The preferred implementation forms of each mechanism will be described in detail in the embodiments below in combination with the drawings.

[0043] As a preferred embodiment of the present application, the stroke position unit mainly includes a total fixed plate 1, a total stroke advancing cylinder 3, a moving connecting plate 4, a total moving plate 5 and a guide rail 6.

[0044] In this embodiment, as shown in the drawings, Figure 1 The total fixed plate 1 is located at the bottom of the whole bunching mechanism of the present application, which is used to be installed and fixed with the frame of the grafting machine, and to adjust the position of the whole bunching mechanism of the present application in the grafting machine. The specific form of the total fixed plate 1 can be adjusted according to actual needs, and its main function is to connect the bunching mechanism with the grafting machine. Considering the aesthetics and convenience, the total fixed plate 1 can be set as a horizontal plate structure which can be installed on the full-automatic grafting machine, and it can provide installation positions for the remaining parts of the bunching mechanism of the present application.

[0045] In this embodiment, as shown in the drawings, Figure 1As shown in the figure, the rear end of the total fixed plate 1 is also connected with a trachea pressing plate 2, and the connection between the trachea pressing plate 2 and the total fixed plate 1 can be bolted. The trachea pressing plate 2 is used to fix the trachea connected with each cylinder, so that each trachea is orderly arranged and does not affect the operation of the seedling gathering mechanism.

[0046] In the embodiment, as shown in the figure, Figure 1 and 3 the total stroke advancing cylinder 3 is installed at the rear end of the total fixed plate 1, the output end thereof is connected with a moving connection plate 4, the moving connection plate 4 is connected with a total moving plate 5, and the total stroke advancing cylinder 3 drives the total moving plate 5 and the components installed on the total moving plate 5 through the moving connection plate 4. That is to say, the moving connection plate 4 is an intermediate component, which connects the total stroke advancing cylinder 3 with the total moving plate 5, and further, the total moving plate 5 can move linearly along the guide rail 6 under the stroke pushing of the total stroke advancing cylinder 3.

[0047] In actual use, a plurality of guide rails 6 (for example, three) can be arranged, and each guide rail 6 is installed on the total fixed plate 1 in parallel with each other, so that the total moving plate 5 and the remaining components installed on the total moving plate 5 can be stably and synchronously displaced under the driving of the total stroke advancing cylinder 3.

[0048] As a preferred embodiment of the present application, the seedling gathering limiting unit mainly comprises a synchronous advancing cylinder 7, a cylinder moving plate 8, a seedling gathering cylinder 9, a seedling gathering claw 10, a push rod cylinder 11, a cylinder connecting plate 12, a limiting push rod 13, a push rod limiting block 14, a seedling gathering plate 15 and a rear end limiting block 16.

[0049] In the embodiment, as shown in the figure, Figure 5 the total moving plate 5 is a component with a stepped structure design, and screw holes are distributed on the total moving plate 5. The synchronous advancing cylinder 7 can be installed on the total moving plate 5 through bolt connection. In actual use, the synchronous advancing cylinder 7 has at least two, which can be symmetrically installed on the two front ends of the steps of the total moving plate 5. As shown in the figure, Figure 1 the output end of each synchronous advancing cylinder 7 is respectively connected with a cylinder moving plate 8, and the cylinder moving plate 8 can be displaced through the driving of the synchronous advancing cylinder 7, and the moving direction is parallel to the guiding direction of the guide rail 6.

[0050] In the embodiment, as shown in the figure, Figure 1 and 2 the seedling gathering cylinder 9 can be installed on the cylinder moving plate 8 through bolt connection. The cylinder moving plate 8 drives the seedling gathering cylinder 9 to advance at the same time, so that the seedling gathering cylinder 9 reaches the predetermined seedling gathering position to complete the preliminary seedling gathering. The output end of the seedling gathering cylinder 9 is connected with a seedling gathering claw pair composed of two seedling gathering claws 10. The seedling gathering cylinder 9 can adopt a finger cylinder, and the seedling gathering claw pair can be driven by the seedling gathering cylinder 9 to open and close left and right to perform the seedling gathering movement. In actual use, the seedling gathering cylinder 9 is provided with nThe plurality of bunching seedling cylinders 9 are installed on the front end of the cylinder moving plate 8 at the same interval distance.

[0051] In the embodiment, as shown in the figure, the push rod cylinder 11 is installed on the total moving plate 5, and the output end is connected with the cylinder connecting plate 12 through the bolt, and the cylinder connecting plate 12 is connected with the limiting push rod 13. Figure 3 In actual use, the push rod cylinder 11 can drive the limiting push rod 13 to move, and the moving direction is parallel to the guiding direction of the guide rail 6. n The push rod cylinder 11 is provided with one, the number is the same as that of the bunching seedling cylinder 9, and each push rod cylinder 11 is located behind the corresponding bunching seedling cylinder 9.

[0052] In the embodiment, as shown in the figure, the limiting push rod 13 is installed with two push rod limiting blocks 14 at the front end, and the two push rod limiting blocks 14 are respectively located on the left and right sides of the pair of bunching seedling claws. Figure 4 As shown in the figure, it is the structure diagram of the bunching seedling plate in the embodiment. Figure 6 As shown in the figure, it is the structure diagram of the bunching seedling claw 10 in the embodiment, and the middle part has a certain gap. Figure 7 The two push rod limiting blocks 14 are fixed with the rear end limiting block 16 between the two bunching seedling plates 15, and the semi-open area formed between the rear end limiting block 16 and the two bunching seedling claws 10 is used for placing the grafted seedling rod after bunching.

[0053] Based on the above-mentioned multi-plant parallel precise bunching mechanism for solanaceous grafted seedlings, the application also provides an operation method. Figure 8 As shown in the figure, it is the state of the push rod cylinder 11 after extension, and the bunching action in the bunching working process, which is first driven by the synchronous advance cylinder 7 to drive the cylinder moving plate 8 to advance.

[0054] S1: The total moving plate 5 is linearly moved along the guide rail 6 under the pushing of the total advance cylinder 3, until the total moving plate 5 as a whole reaches the preparation position.

[0055] S2: All the synchronous driving cylinders 7 synchronously drive the cylinder moving plate 8 to continue moving forward until the seedling clamping claws 10 reach the seedling clamping position.

[0056] S3: Each pair of seedling clamping claws 10 is driven by the respective seedling clamping cylinder 9 to complete the seedling clamping action and clamp the grafting seedling.

[0057] S4: All the push rod cylinders 11 drive the respective connecting limit push rods 13 to move forward, so that the seedling clamping plate 15 reaches the rear end of the seedling clamping position, the rear end limiting block 16 provides rear end support for the grafting seedling, and the seedling clamping position is accurately positioned, which facilitates the subsequent upper clamping mechanism to clamp the cut and butt joint grafting seedling.

[0058] It should be noted that in order to accurately clamp the seedling, the front end of the grafting seedling needs to be positioned under the condition of rear end positioning of the grafting seedling (not shown in the drawings of the present application), which is mainly realized by the seedling feeding mechanism in the grafting machine, that is, when the seedling feeding mechanism feeds the cut grafting seedling into the seedling clamping mechanism of the present application, a positioning block is also designed in the middle of the seedling feeding claw of the seedling feeding mechanism to position the front end of the grafting seedling. Under such conditions, the grafting seedling is positioned at the front and rear ends, and the present application can realize parallel accurate seedling clamping of the grafting seedling under the cooperation of multiple units.

[0059] The above-described embodiments are only a preferred scheme of the present application, and are not intended to limit the present application. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application. Therefore, any technical scheme obtained by equivalent replacement or equivalent transformation falls within the protection scope of the present application.

Claims

1. A multi-plant parallel precision bunching mechanism for grafted solanaceous seedlings, characterized in that, The stroke position unit and the seedling gathering limiting unit are included. The stroke position unit is used for adjusting the position stroke of the seedling gathering mechanism in the grafting machine, and making the seedling gathering claw in the seedling gathering limiting unit reach the preset position in the working operation. The seedling gathering limiting unit is installed on the upstream front end of the stroke position unit, used for gathering the cut grafting seedlings, and making the grafting seedlings in the target position through limiting, so that the contact area of the cut grafting seedlings and the subsequent mechanism is larger when they are connected, and the upper clamping work is facilitated.

2. The multi-plant parallel precision bunching mechanism for grafted seedlings of solanaceous fruiting plants according to claim 1, characterized in that, The stroke position unit includes a total fixed plate (1), a total stroke pushing cylinder (3), a moving connection plate (4), a total moving plate (5) and a guide rail (6). The total fixed plate (1) is located at the bottom of the whole seedling gathering mechanism, used for being fixed with the frame of the grafting machine; the output end of the total stroke pushing cylinder (3) is connected with the total moving plate (5) through the moving connection plate (4); the total moving plate (5) can move linearly along the guide rail (6) arranged on the total fixed plate (1) under the pushing action of the total stroke pushing cylinder (3).

3. The multi-plant parallel precision bunching mechanism for grafted seedlings of solanaceous fruiting plants according to claim 2, characterized in that, The rear end of the total fixed plate (1) is further connected with an air pipe pressing plate (2); the air pipe pressing plate (2) is used for fixing the air pipes connected with each cylinder, so that the air pipes are arranged in order and do not affect the operation of the seedling gathering mechanism.

4. The multi-plant parallel precision bunching mechanism for grafted seedlings of solanaceous fruiting plants according to claim 2, characterized in that, The guide rail (6) has a plurality of parallel installation on the total fixed plate (1).

5. The multi-plant parallel precision bunching mechanism for grafted seedlings of solanaceous fruiting plants according to claim 2, characterized in that, The total stroke pushing cylinder (3) is located at the rear end of the total fixed plate (1).

6. The multi-plant parallel precision bunching mechanism for grafted seedlings of solanaceous fruiting plants according to claim 2, characterized in that, The seedling gathering limiting unit includes a synchronous advance cylinder (7), a cylinder moving plate (8), a seedling gathering cylinder (9), a seedling gathering claw (10), a push rod cylinder (11), a cylinder connecting plate (12), a limiting push rod (13), a push rod limiting block (14), a seedling gathering plate (15) and a rear end limiting block (16). The synchronous advance cylinder (7) is installed on the total moving plate (5), and the output end thereof is connected with the cylinder moving plate (8); the synchronous advance cylinder (7) can drive the cylinder moving plate (8) to move in the direction parallel to the guide direction of the guide rail (6); the seedling gathering cylinder (9) is installed on the front end of the cylinder moving plate (8), and the output end thereof is connected with a seedling gathering claw pair composed of two seedling gathering claws (10); the seedling gathering cylinder (9) can drive the seedling gathering claw pair to open and close left and right to gather seedlings; The push rod cylinder (11) is installed on the total moving plate (5), and the output end thereof is connected with the limiting push rod (13) through the cylinder connecting plate (12); the push rod cylinder (11) can drive the limiting push rod (13) to move in the direction parallel to the guide direction of the guide rail (6); the limiting push rod (13) is provided with two push rod limiting blocks (14) at the front end thereof; the two push rod limiting blocks (14) are respectively located at the left and right sides of the seedling gathering claw pair; the inner side of each push rod limiting block (14) is respectively provided with a horizontal seedling gathering plate (15); the two seedling gathering plates (15) respectively pass through the middle gaps of the two seedling gathering claws (10); the rear end limiting block (16) is fixed between the two seedling gathering plates (15); and the semi-open area formed between the rear end limiting block (16) and the two seedling gathering claws (10) is used for placing the grafting seedlings after gathering.

7. The multi-plant parallel precision bunching mechanism for grafted seedlings of solanaceous fruiting plants according to claim 6, characterized in that, The synchronous displacement cylinder (7) has at least two, symmetrically installed on both sides of the front end of the total moving plate (5).

8. The multi-plant parallel precision bunching mechanism for grafted seedlings of solanaceous fruiting plants according to claim 6, characterized in that, The bunching seed cylinder (9) is provided with n one, all are finger cylinders, and the bunching seed cylinders (9) are installed at the front end of the cylinder moving plate (8) with the same interval distance.

9. The multi-plant parallel precision bunching mechanism for grafted seedlings of solanaceous fruiting plants according to claim 8, characterized in that, The push rod cylinder (11) is provided with n one and is located behind the corresponding seedling gathering cylinder (9).

10. A method for operating the precise bunching mechanism for multiple parallel operation of grafted solanaceous seedlings according to claim 6, characterized in that The specific implementation is as follows: S1: the total moving plate (5) is linearly moved along the guide rail (6) under the pushing of the total stroke pushing cylinder (3), until the total moving plate (5) as a whole reaches the preparation position; S2: all the synchronous displacement cylinders (7) synchronously drive the cylinder moving plate (8) to continue displacement forward, until the seedling gathering claws (10) reach the seedling gathering position; S3: each pair of seedling gathering claws (10) is driven by the respective seedling gathering cylinder (9) to complete the seedling gathering action, and the grafting seedlings are gathered; S4: all the push rod cylinders (11) respectively drive the respective connected limiting push rods (13) to move forward, so that the seedling gathering plate (15) reaches the rear end of the seedling gathering position of the grafting seedlings, the rear end limiting block (16) provides rear end support for the grafting seedling rod, and the seedling gathering position of the grafting seedlings is accurately positioned, which facilitates the subsequent upper clamping mechanism to clamp the cut and butt joint grafting seedlings.

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