Auxiliary device for transplanting corn seedlings

Abstract

The utility model relates to the technical field of agricultural mechanical equipment, and particularly discloses a corn seedling transplanting auxiliary device which comprises a sleeve, a soil breaking mechanism, a pushing mechanism, a control mechanism and a handle, the soil breaking mechanism is installed at the bottom end of the sleeve, the handle is arranged at the top end of the sleeve, and the soil breaking mechanism comprises a plurality of driving arms, a soil breaking claw piece and a driving piece. The multiple driving arms are evenly distributed on the outer wall of the bottom end of the sleeve, each driving arm is connected with a driving piece, the soil breaking claw pieces are rotationally connected with the ends of the driving arms, opening and closing of the soil breaking claw pieces are controlled through the driving pieces, the pushing mechanism is arranged in the sleeve and connected with the control mechanism, and the control mechanism is further connected with the handle. The pushing mechanism comprises a pushing cylinder and a top plate, the pushing cylinder is slidably installed in the sleeve, the top plate is fixedly installed at the top of the pushing cylinder, the pushing cylinder is connected with the control mechanism and controls the pushing cylinder to slide in the sleeve, and the device is simple in structure, convenient to operate and capable of remarkably improving the transplanting efficiency and the seedling survival rate.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery equipment technical field, concretely is a corn seedling transplanting auxiliary device. BACKGROUND

[0002] Corn is a kind of annual herbaceous plant of poaceae zea genus, alias: zea mays, stick, bag of millet, bag of rice, bag of sorghum, bract rice, pearl rice, big alsol, northeast Liaoning dialect is called pearl grain, Chaozhou dialect is called yam bean, Cantonese is called millet, minnan dialect is called as rice, in the conventional breeding process, there is the defect that the cycle is too long, the variation coefficient is too big, and the growth and development of offspring are influenced, and the modern biological breeding technology not only overcomes the above-mentioned defects and deficiencies, but also improves the breeding speed and quality.

[0003] Now the similar product on market is easy to damage corn seedling when transplanting corn seedling, leads to the higher damage rate, and the work efficiency is low, wastes user time, and needs to waste a lot of manpower when using, for this, we propose a corn seedling transplanting anti-damage transplanting device that can protect corn seedling well when transplanting corn seedling, and the work efficiency is high, can effectively save user time, saves manpower.

[0004] The utility model aims at providing a corn seedling transplanting auxiliary device to solve the problems mentioned in the background. UTILITY MODEL CONTENTS

[0005] To achieve the above object, the utility model provides a corn seedling transplanting auxiliary device, including sleeve, soil breaking mechanism, push mechanism, control mechanism, handle, the soil breaking mechanism is installed at the bottom of sleeve, the handle is set at the top of sleeve, the soil breaking mechanism includes a plurality of drive arms, soil breaking claw piece and drive piece, a plurality of drive arms evenly distribute on the bottom outer wall of sleeve, each drive arm is connected with drive piece, the drive piece is movably connected with the outer wall of sleeve, and is installed on the same vertical line with drive arm, the soil breaking claw piece is rotatably connected with the end of drive arm, and the opening and closing of soil breaking claw piece is controlled through drive piece, the drive piece includes electric telescopic handle and installation buckle, the installation buckle is fixedly installed on the outer wall of sleeve, one end of electric telescopic handle is rotatably connected with installation buckle, the telescopic end of electric telescopic handle is connected with drive arm, the handle is equipped with the control switch of control electric telescopic handle opening, the push mechanism is arranged in the inside of sleeve, and is connected with control mechanism, the control mechanism is also connected with handle, the push mechanism includes push cylinder and top plate, the push cylinder is slidably installed in the inside of sleeve, the top plate is fixedly installed at the top of push cylinder, the top plate is equipped with the through slot for seedling, the push cylinder is connected with control mechanism, and the sliding of push cylinder in sleeve is controlled.

[0006] As a further improvement of the utility model, one end of the soil breaking claw piece is fixedly connected with the bottom of one end of the electric telescopic rod, the other end of the soil breaking claw piece is provided with a sharp part, the soil breaking claw piece is arc-shaped, and the soil breaking claw piece has at least four.

[0007] As a further improvement of the utility model, a plurality of blades are symmetrically arranged on the outer wall of the soil breaking claw piece along the arc surface, and the plurality of blades are vertically arranged on the outer wall of the soil breaking claw piece.

[0008] As a further improvement of the utility model, the control mechanism comprises a reset spring, a control rod, a self-locking mechanism and an unlocking mechanism, a recess is formed in the inner wall of the sleeve, the reset spring is arranged in the recess, the bottom of the reset spring is connected with the top of the top plate, the top of the reset spring is fixedly connected with the bottom of the control rod, a positioning groove is further formed in the top of the recess and communicates with the recess, the self-locking mechanism is arranged in the positioning groove, the control rod is locked through the self-locking mechanism, the control rod is unlocked through the unlocking mechanism, and the unlocking mechanism is further hingedly connected with the bottom of the handle.

[0009] As a further improvement of the utility model, the self-locking mechanism comprises a locking block, a rotating shaft and a torsional spring, a movable groove is symmetrically formed in the outer wall of the sleeve, the rotating shaft is fixedly arranged in the movable groove, the top end of one side of the locking block is rotatably connected with the rotating shaft, the torsional spring is arranged on the rotating shaft, the movable end is connected with the outer wall of the torsional spring, the fixed end is abuttingly fixed with the inner wall of the movable groove, the end, away from the rotating shaft, of the locking block is arranged in the positioning groove, and the outer wall of the locking block is connected with the unlocking mechanism.

[0010] As a further improvement of the utility model, the unlocking mechanism comprises an unlocking rod and a handle, one end of the unlocking rod is fixedly connected with the outer wall of the locking block, and the other end of the unlocking rod extends out of the movable groove and is fixedly connected with the handle.

[0011] As a further improvement of the utility model, the bottom end of the locking block is provided with an inclined surface, an included angle is formed between the inclined surface and the positioning groove, and the top of the locking block is further provided with an arc-shaped groove matched with the outer wall of the control rod.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] 1. The utility model is provided with a soil-breaking mechanism, in which the transplanting claws are composed of four soil-breaking claws. The transplanting claws are controlled to expand outwards by a driving member, and then the sleeve is aimed at the seedling so that the seedling is completely received in the sleeve. At this time, the transplanting claws are inserted into the soil around the seedling, and then the soil-breaking claws are controlled to grab inwards by the driving member, so that the roots of the seedlings and the soil are removed together. Compared with the traditional pointed cone-shaped soil-breaking head, the design of the transplanting claws composed of four soil-breaking claws will not damage the roots or stems of the seedlings and can wrap more gently. The arc-shaped claws are more flexible than the pointed cone-shaped ones and can adapt to different types of soil conditions. Whether in loose soil or hard soil, the arc-shaped claws can effectively grab and transplant seedlings. When grabbing seedlings, the arc-shaped claws cause less disturbance to the surrounding soil, which helps to maintain the stability of the soil structure and improve the root growth of seedlings and the soil's ability to retain water and fertilizer.

[0014] 2. The utility model is provided with a pushing mechanism and a control mechanism, which controls the push cylinder in the pushing mechanism to slide inside the sleeve through the control mechanism. The push cylinder can tightly wrap the seedlings and their roots, providing a stable protective environment for the seedlings during the transplanting process, helping to reduce the disturbance and damage to the seedling roots during the transplanting process, thereby improving the survival rate after transplanting. After the seedlings are removed from the soil, there is no need to manually place the seedlings into the transplanting pit. Instead, they are directly pushed out of the sleeve through the push cylinder, which greatly saves transplanting time and improves work efficiency. While pushing the seedlings, the push cylinder can also bring a part of the original soil into the transplanting pit, which helps to maintain the soil environment of the seedling roots, shorten the adaptation period after transplanting, and promote the rapid growth of the seedlings. The automatic pushing function of the push cylinder reduces the need for manual intervention, reduces labor intensity, and also improves the consistency and accuracy of the transplanting operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall initial state structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the expanded structure of the earth-breaking claws of the earth-breaking mechanism of the present invention;

[0017] Figure 3 This is a cross-sectional view of the sleeve of the present utility model;

[0018] Figure 4 It is an enlarged view of point A of the present utility model.

[0019] In the figure: 1, sleeve; 11, groove; 12, positioning groove; 13, movable groove;

[0020] 2, soil breaking mechanism; 21, driving arm; 22, soil breaking claw; 23, electric telescopic rod; 24, mounting buckle; 25, thorn part; 26, blade;

[0021] 3, pushing mechanism; 31, pushing cylinder; 32, top plate; 33, through slot;

[0022] 4, control mechanism; 41, reset spring; 42, control rod; 43, self-locking mechanism; 431, locking block; 432, rotating shaft; 433, torsional spring; 434, arc-shaped slot; 44, unlocking mechanism; 441, unlocking rod; 442, handle;

[0023] 5, handle. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings, in which several embodiments of the present application are given. However, the present application can be implemented in different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present application more thorough and comprehensive.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The use herein of the terms "and / or" includes a set of one or more associated listed items.

[0026] The present application will be described in further detail below with reference to the accompanying drawings.

[0027] Example 1

[0028] Please refer to Figures 1-4The utility model provides a corn seedling transplanting auxiliary device, including sleeve 1, soil breaking mechanism 2, push mechanism 3, control mechanism 4, handle 5, soil breaking mechanism 2 installs the bottom end of sleeve 1, handle 5 sets up the top end of sleeve 1, soil breaking mechanism 2 includes a plurality of drive arms 21, soil breaking claw piece 22 and drive piece, a plurality of drive arms 21 evenly distribute on the bottom end outer wall of sleeve 1, every drive arm 21 is connected with drive piece, drive piece is movably connected with the outer wall of sleeve 1, and is installed on the same perpendicular line with drive arm 21, soil breaking claw piece 22 is rotatably connected with the end of drive arm 21, and the opening and closing of soil breaking claw piece 22 is controlled through drive piece, drive piece includes electric telescopic handle 23 and installation buckle 24, installation buckle 24 is fixedly installed on the outer wall of sleeve 1, one end of electric telescopic handle 23 is rotatably connected with installation buckle 24, the telescopic end of electric telescopic handle 23 is connected with drive arm 21, handle 5 is equipped with the control switch of control electric telescopic handle 23 opening, push mechanism 3 sets up inside sleeve 1, and is connected with control mechanism 4, control mechanism 4 is still connected with handle 5, push mechanism 3 includes push barrel 31 and top plate 32, push barrel 31 is slidably installed inside sleeve 1, top plate 32 is fixedly installed at the top of push barrel 31, top plate 32 is equipped with the through slot 33 of the seedling passing, push barrel 31 is connected with control mechanism 4, and push barrel 31 is controlled to slide in sleeve 1.

[0029] When the corn seedlings need to be transplanted, first, the sleeve 1 is aligned with the corn seedlings, the corn seedlings are sleeved into the pushing barrel 31, then the driving members of the soil breaking mechanism 2 are started by controlling the switch, the electric telescopic rod 23 in each driving member pushes the driving arm 21 to drive the soil breaking claw 22 to expand outward, then the bottom of the sleeve 1 is inserted into the soil surface, at this time, the front end of each soil breaking claw 22 is inserted into the soil, then the control switch is started again, the electric telescopic rod 23 is retracted, the driving arm 21 drives the soil breaking claw 22 to grab the soil near the root of the seedling, so that the seedling is removed together with the soil, when the soil breaking claw 22 grabs more and more soil, the soil pushes the pushing barrel 31 to move upward until the soil breaking claw 22 completely takes the seedling from the soil, at this time, the control mechanism 4 is in the locked state and cannot push the pushing barrel 31 to move downward, under the joint action of the plurality of soil breaking claws 22, the seedling and its root system can be tightly wrapped in the pushing barrel 31, which is convenient for transplanting. In order to improve the survival rate of the seedling and avoid damage to the root system, the soil breaking mechanism 2 is arranged in the embodiment, the four soil breaking claws 22 constitute the transplanting claw, the opening and closing of the transplanting claw is controlled by the driving member, the root of the seedling and the soil are removed together, compared with the traditional sharp cone type soil breaking head, the design of the four soil breaking claws 22 constituting the transplanting claw will not damage the root system or stem of the seedling, can more gently wrap the root system of the seedling and the soil, reduce the damage in the transplanting process, further, the pushing mechanism 3 and the control mechanism 4 are arranged, the pushing barrel 31 in the pushing mechanism 3 slides in the sleeve 1 by controlling the control mechanism 4, the pushing barrel 31 can tightly wrap the seedling and its root system, provides a stable protection environment for the seedling in the transplanting process, helps to reduce the disturbance and damage to the root system of the seedling in the transplanting process, thereby improving the survival rate after transplanting.

[0030] Embodiment two

[0031] Based on the embodiment one, as shown in the embodiment two, Figures 1-2 one end of the soil breaking claw 22 is connected with the driving arm 21, the other end of the soil breaking claw 22 is provided with a sharp part 25, the soil breaking claw 22 is arc-shaped, and the soil breaking claw 22 has at least four.

[0032] A plurality of blades 26 are symmetrically arranged on the outer wall of the soil breaking claw 22 along the arc surface, and the plurality of blades 26 are vertically arranged on the outer wall of the soil breaking claw 22.

[0033] The sharp part 25 is arranged at the front end of the soil breaking claw piece 22, so that the transplanting claw can break the soil more easily when inserted into the soil, reduce the resistance in the transplanting process, thereby improving the transplanting efficiency, the sharp part 25 can be inserted into the soil more accurately, reduce the disturbance and damage to the seedling root system, help to maintain the integrity and health of the seedling, improve the survival rate after transplanting, due to the guiding effect of the sharp part 25, the transplanting claw can grab and place the seedling more accurately, ensure that the position of the seedling in the transplanting hole meets the requirements, thereby improving the accuracy of transplanting, at the same time, the soil breaking claw piece 22 is arranged in an arc shape, compared with the sharp cone type soil breaking head, the arc-shaped design of the transplanting claw is more flexible, which can adapt to different types of soil conditions, whether in loose soil or hard soil, the arc-shaped claw can effectively grab and transplant the seedling, the arc-shaped claw has less disturbance to the surrounding soil when grabbing the seedling, which helps to maintain the stability of the soil structure, which is beneficial to improve the root growth of the seedling and the soil water and fertilizer conservation capacity, further, a plurality of leaves 26 are arranged on the outer wall of the soil breaking blade 26, which can increase the contact area between the soil breaking blade 26 and the soil, thereby improving the stability during transplanting and reducing the shaking and damage of the seedling, these leaves 26 can play a certain buffering role when the soil breaking blade 26 is inserted into the soil, reducing the impact and damage to the seedling root system, which helps to protect the health of the seedling, the design of the leaves 26 makes the soil breaking blade 26 more easily inserted and pulled out in the soil, thereby improving the efficiency of transplanting and saving manpower and time.

[0034] Example three

[0035] Based on example one, in this embodiment, as shown in Figures 3-4 the control mechanism 4 includes a reset spring 41, a control rod 42, a self-locking mechanism 43 and an unlocking mechanism 44, the inner wall of the sleeve 1 is provided with a groove 11, the reset spring 41 is installed in the groove 11, the bottom of the reset spring 41 is connected with the top of the top plate 32, the top of the reset spring 41 is fixedly connected with the bottom of the control rod 42, the top of the groove 11 is also provided with a positioning groove 12, which is communicated with the groove 11, the self-locking mechanism 43 is installed in the positioning groove 12, the control rod 42 is locked through the self-locking mechanism 43, the control rod 42 is unlocked through the unlocking mechanism 44, and the unlocking mechanism 44 is also hinged with the bottom of the handle 5.

[0036] When the soil pushing barrel 31 is pushed upward by the soil when the soil breaking mechanism 2 grabs the soil during transplanting of the corn seedlings, the top plate 32 on the soil pushing barrel 31 extrudes the reset spring 41 until the soil breaking claw 22 grabs the whole seedling, at this time, the control rod 42 at the top of the reset spring 41 is self-locked with the self-locking mechanism 43 to prevent the reset spring 41 from rebounding, when it is needed to move the corn seedling in the sleeve 1 into the transplanting pit, first, the control switch controls the electric telescopic rod 23 to push the soil breaking claw 22 connected with the driving arm 21 to unfold outward to release the restriction on the soil and the seedling, then the self-locking mechanism 43 is unlocked through the unlocking mechanism 44 to release the limitation on the control rod 42, under the action of the rebounding force of the reset spring 41, the sleeve 1 is pushed downward to push the seedling and the soil into the transplanting pit, then the sleeve 1 is pulled upward gently to separate the whole seedling from the sleeve 1 to complete the transplanting of the corn seedling.

[0037] The self-locking mechanism 43 comprises a locking block 431, a rotating shaft 432 and a torsional spring 433, the outer wall of the sleeve 1 is symmetrically provided with a movable slot 13, the rotating shaft 432 is fixedly installed in the movable slot 13, one side of the top end of the locking block 431 is rotatably connected with the rotating shaft 432, the torsional spring 433 is installed on the rotating shaft 432, and the movable end is connected with the outer wall of the torsional spring 433, the fixed end is abuttingly fixed with the inner wall of the movable slot 13, the end of the locking block 431 away from the rotating shaft 432 is arranged in the positioning slot 12, and the outer wall of the locking block 431 is connected with the unlocking mechanism 44.

[0038] When the control rod 42 is self-locked with the self-locking mechanism 43, the reset spring 41 pushes the control rod 42 to move in the positioning slot 12, the horizontal rod at the top end of the control rod 42 pushes the locking block 431 to move in the direction of the movable slot 13, the locking block 431 extrudes the movable end of the torsional spring 433 until the control rod 42 completely exceeds the top of the locking block 431, the locking block 431 releases the limitation, and under the action of the rebounding force of the movable end of the torsional spring 433, the locking block 431 is pushed back into the positioning slot 12 to limit the downward movement of the control rod 42, the vertical rod in the control rod 42 is arranged at one end of the horizontal rod and will not block the limitation of the horizontal rod by the locking block 431, in the embodiment, when the locking block 431 is pushed by the control rod 42 to move in the direction of the movable slot 13, the unlocking mechanism 44 moves along.

[0039] The unlocking mechanism 44 comprises an unlocking rod 441 and a handle 442, one end of the unlocking rod 441 is fixedly connected with the outer wall of the locking block 431, the other end extends out of the movable slot 13 and is fixedly connected with the handle 442.

[0040] When the restriction on the control needs to be released, the handle 442 is held and pulled outward, so that the locking block 431 rotates around the shaft out of the positioning groove 12 and compresses the movable end of the torsion spring 433, thereby releasing the restriction on the control rod 42, so that the return spring 41 rebounds to push the push cylinder 31 to move downward, and after the handle 442 is released, the locking block 431 is pushed back to the original position under the rebounding force of the torsion spring 433, facilitating the next use.

[0041] The bottom end of the locking block 431 is provided with an inclined surface, which forms an included angle with the positioning groove 12, and the top of the locking block 431 is further provided with an arc-shaped groove 434 matched with the outer wall of the control rod 42, so that the cross rod at the top end of the control rod 42 extrudes and pushes the locking block 431 to one side, and the locking block 431 is self-locked by passing through the top of the locking block 431, and further, the arc-shaped groove 434 arranged at the top of the locking block 431 is beneficial to restrict the cross rod of the control rod 42 in the arc-shaped groove 434 to avoid shaking.

[0042] In this embodiment, after the seedlings are removed from the soil, the seedlings do not need to be manually placed into the transplanting holes, but are directly pushed out of the sleeve 1 by the push cylinder 31, which greatly saves the transplanting time and improves the work efficiency. The push cylinder 31 can also bring part of the original soil into the transplanting hole while pushing the seedlings, which helps to maintain the soil environment of the seedling root system, reduces the adaptation period after transplanting, and promotes the rapid growth of the seedlings. The automatic pushing function of the push cylinder 31 reduces the need for manual intervention, reduces the labor intensity, and also improves the consistency and accuracy of the transplanting operation.

[0043] The utility model is described above in conjunction with the drawings, and obviously, the specific implementation of the utility model is not limited by the above-mentioned mode. As long as the method concept and technical solution of the utility model are used for such non-essential improvements or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are within the protection scope of the utility model.

Claims

1. A corn seedling transplanting aid characterized by: The utility model relates to a soil breaking device for seedling transplanting, including sleeve (1), soil breaking mechanism (2), push mechanism (3), control mechanism (4), handle (5), soil breaking mechanism (2) is installed at the bottom end of sleeve (1), handle (5) is set up at the top end of sleeve (1), soil breaking mechanism (2) includes a plurality of drive arms (21), soil breaking claw piece (22) and drive piece, a plurality of drive arms (21) are evenly distributed on the bottom end outer wall of sleeve (1), every drive arm (21) is connected with drive piece, drive piece is movably connected with the outer wall of sleeve (1), and is installed on the same vertical line with drive arm (21), soil breaking claw piece (22) is rotatably connected with the end of drive arm (21), and the opening and closing of soil breaking claw piece (22) is controlled through drive piece, drive piece includes electric telescopic rod (23) and installation buckle (24), installation buckle (24) is fixedly installed on the outer wall of sleeve (1), one end of electric telescopic rod (23) is rotatably connected with installation buckle (24), and the telescopic end of electric telescopic rod (23) is connected with drive arm (21), control switch that opens electric telescopic rod (23) is equipped on handle (5), push mechanism (3) is arranged in the inside of sleeve (1) and is connected with control mechanism (4), control mechanism (4) is also connected with handle (5), push mechanism (3) includes push cylinder (31) and top plate (32), push cylinder (31) is slidably installed in the inside of sleeve (1), top plate (32) is fixedly installed at the top of push cylinder (31), top plate (32) is equipped with the through slot (33) for seedling, push cylinder (31) is connected with control mechanism (4), and push cylinder (31) is controlled to slide in sleeve (1).

2. The corn seedling transplanting aid of claim 1, wherein: One end of soil breaking claw piece (22) is connected with drive arm (21) one end bottom fixed connection of electric telescopic rod (23), the other end of soil breaking claw piece (22) is equipped with sharp part (25), soil breaking claw piece (22) is arc-shaped, soil breaking claw piece (22) has at least four.

3. The corn seedling transplanting aid of claim 2, wherein: The outer wall of soil breaking claw piece (22) is symmetrically provided with a plurality of blades (26) along the arc surface, and a plurality of blades (26) are perpendicularly installed on the outer wall of soil breaking claw piece (22).

4. The corn seedling transplanting aid of claim 1, wherein: The control mechanism (4) includes a reset spring (41), a control rod (42), a self-locking mechanism (43) and an unlocking mechanism (44), the inner wall of the sleeve (1) is provided with a groove (11), the reset spring (41) is installed in the groove (11), the bottom of the reset spring (41) is connected with the top of the top plate (32), the top of the reset spring (41) is fixedly connected with the bottom of the control rod (42), the top of the groove (11) is also provided with a positioning groove (12) which is communicated with the groove (11), the self-locking mechanism (43) is installed in the positioning groove (12), the control rod (42) is locked by the self-locking mechanism (43), the control rod (42) is unlocked by the self-locking mechanism (43) through the unlocking mechanism (44), and the unlocking mechanism (44) is also hingedly connected with the bottom of the handle (5).

5. The corn seedling transplanting aid of claim 4, wherein: The self-locking mechanism (43) includes a locking block (431), a rotating shaft (432) and a torsional spring (433), the outer wall of the sleeve (1) is symmetrically provided with a movable groove (13), the rotating shaft (432) is fixedly installed in the movable groove (13), one side top end of the locking block (431) is rotatably connected with the rotating shaft (432), the torsional spring (433) is installed on the rotating shaft (432), and a movable end is connected with the outer wall of the torsional spring (433), a fixed end is abuttingly and fixedly connected with the inner wall of the movable groove (13), and the end, away from the rotating shaft (432), of the locking block (431) is arranged in the positioning groove (12), and the outer wall of the locking block (431) is connected with the unlocking mechanism (44).

6. The corn seedling transplanting aid of claim 5, wherein: The unlocking mechanism (44) includes an unlocking rod (441) and a handle (442), one end of the unlocking rod (441) is fixedly connected with the outer wall of the locking block (431), the other end extends out of the movable groove (13) and is fixedly connected with the handle (442).

7. The corn seedling transplanting aid of claim 6, wherein: The bottom end of the locking block (431) is provided with an inclined surface, and an included angle is formed between the inclined surface and the positioning groove (12), and the top of the locking block (431) is also provided with an arc-shaped groove (434) matched with the outer wall of the control rod (42).

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