Plant seedling planting groove planting and soil covering device

Abstract

The invention discloses a planting and soil covering device for a plant seedling planting groove. The planting and soil covering device mainly comprises a lifting module, a seedling planting module and a soil covering module. The lifting module comprises a lead screw module, a planting and soil covering mechanism mounting plate, a servo motor, a synchronous belt, a synchronous wheel and the like; the seedling planting module comprises a duckbilled planting device, a plurality of groups of duckbilled opening and closing long rods, an opening and closing long rod mounting plate, a planting mechanism L mounting plate, a mounting plate, a duckbilled mounting plate fixing block, a telescopic cylinder, a linear guide rail mounting block, a linear guide rail, a duckbilled opening and closing pull rod, a duckbilled opening and closing special-shaped connecting block, a duckbilled planting device mounting frame, a single-side duckbilled planting device and the like; the soil covering module comprises a soil covering plate opening and closing mechanism, a soil covering plate, a telescopic cylinder, a polished shaft, an upper mounting plate, a vertical mounting plate, a linear bearing, a polished shaft seat mounting block, a lower mounting plate, a soil covering plate mounting block, a connecting rod, a linear guide rail, a middle mounting plate, a polished shaft seat, a cylinder mounting block and the like. The invention designs the planting and soil covering device suitable for the planting mode of the plant seedling planting groove, the action is simple and reliable, and the two actions of planting and soil covering can be completed through one-time lifting action. In addition, according to the seedling planting and soil covering method adopted by the invention, all actions are clear in movement rule, and the operation reliability of the device is further improved.

Description

Technical Field

[0001] The invention relates to the technical field of facility agricultural machinery, in particular to a soil covering device for planting a planting trough for plant seedlings. Background Art

[0002] In recent years, the demand for the research and development of intelligent agricultural machinery and equipment has been increasing year by year, and the production efficiency of facility agriculture has been improved by improving the degree of automation of equipment. Up to now, the most common form of greenhouse soil cultivation in facilities is multi-layer three-dimensional planting racks with planting troughs, which are low-cost and easy to use. However, in the field of agricultural machinery automation research, although various types of agricultural machinery and equipment for field planting, such as seeders, transplanters, harvesters, etc., have made great progress, and many special agricultural machinery and equipment for different crops have emerged, but in the greenhouse environment of facilities, especially for the development of automated equipment with planting troughs as the direct operation object, it is still relatively lagging behind. This situation seriously restricts the realization of the full process of automated production of greenhouse soil cultivation.

[0003] After investigation and research on a large number of transplanting devices, the present invention selected the planting and covering mechanism of the transplanting device as the core research object, and designed a planting and covering device that is suitable for the planting mode of the plant seedling planting trough in the facility greenhouse. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a planting and covering device which has small geometric dimensions, high reliability and is suitable for the planting mode of plant seedling planting troughs in greenhouse facilities.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions: In a first aspect, a plant seedling planting trough planting and soil covering device is provided, characterized in that: the device comprises a lifting module, a seedling planting module, and a soil covering module; The lifting module includes: a screw module, a planting and covering mechanism mounting plate, a servo motor, a synchronous belt and a synchronous wheel, etc.; the seedling planting module includes: a duckbill planter, multiple sets of duckbill opening and closing long rods, an opening and closing long rod mounting plate, a planting mechanism L mounting plate, a mounting plate, a duckbill mounting plate fixing block, a telescopic cylinder, a linear guide mounting block, a linear guide, a duckbill opening and closing pull rod, a duckbill opening and closing special-shaped connecting block, a duckbill planter mounting frame, a single-sided duckbill planter, etc.; the covering module includes: a covering plate opening and closing mechanism, a covering plate, a telescopic cylinder, an optical axis, an upper mounting plate, a vertical mounting plate, a linear bearing, an optical axis seat mounting block, a lower mounting plate, a covering plate mounting block, a connecting rod, a linear guide, a middle mounting plate, an optical axis seat, a cylinder mounting block, etc.

[0006] Furthermore, the seedling planting module is composed of five duckbill planters that can work simultaneously, and the opening and closing of the single duckbill planter is controlled by a pull rod and a special-shaped connecting block, and is fixed to the duckbill planter mounting frame by stepped bolts, thereby realizing the opening and closing rotational movement, and then the mounting frame is fixed to the mounting plate by screws, so as to facilitate the synchronous control of multiple planters, and then the pull rod is fixed to the opening and closing long rod by stepped bolts, and the latter is connected to the cylinder through the opening and closing long rod connecting block, and synchronously completes the up and down telescopic movement, thereby realizing the opening and closing movement of multiple duckbill planters. At the same time, the two ends of the opening and closing long rod are fixed on the slider of the linear guide rail to constrain its up and down linear movement.

[0007] Furthermore, the planting covering module is composed of two groups of covering plate opening and closing mechanisms and the covering plate, the covering plate and the linear guide are connected by a mounting block, thereby constraining the covering plate to realize linear opening and closing movement, the linear guide is fixed to the lower mounting plate by screws, the vertical mounting plate is fixed to the lower mounting plate by screws, and the upper mounting plate is fixed to the vertical mounting plate by screws, the telescopic cylinder is connected to the upper mounting plate by a cylinder mounting block and fixed by screws, the middle mounting plate and the telescopic cylinder are connected by screws to realize up and down movement, the optical axis seat is installed on the upper mounting plate and the vertical mounting plate by screws to fix the optical axis, the linear bearing is installed on the middle mounting plate and cooperates with the optical axis clearance, the connecting rod is hinged by a step screw, connects the middle mounting plate and the covering plate mounting block, and realizes up and down movement synchronously with the telescopic cylinder, and since the lengths of the two connecting rods are consistent, when the telescopic cylinder is actuated, the connecting rod drives the covering plates on both sides to realize opening and closing movement.

[0008] Furthermore, the connection modes of the pull rod and the opening and closing long rod, and the connecting rod and the middle mounting plate and the covering plate mounting block are not limited to hinge connection, bearing connection and the like.

[0009] In a second aspect, a method for planting and covering soil in a planting trough for plant seedlings is provided, characterized in that it comprises the following steps: S1: Before the device is operated, the telescopic cylinder is in a retracted state, and at the same time, the opening and closing long rod drives the opening and closing pull rod to make the duckbill planter in a closed state. At this time, the seedlings are put into the planter, and the planting trough filled with soil matrix is ​​in place.

[0010] S2: The covering module starts to operate, the telescopic cylinder extends, driving the middle mounting plate to move downward, and the connecting rod hinged to it drives the covering plate mounting block to move linearly on the linear guide rail, and the covering plate fastened to it moves synchronously to complete the opening action.

[0011] S3: The lifting module starts to run, the servo motor drives the synchronous wheel, the synchronous belt drives the screw module to rotate forward, the planting and covering device moves downward as a whole, the closed duckbill planter and the open covering plate move downward at the same time until they stop at the preset soil penetration depth, completing the hole-piercing action.

[0012] S4: The seedling planting module starts to move, the telescopic cylinder extends out, and the opening and closing long rod mounting plate connected to it moves synchronously, driving the opening and closing long rod to move upward, and the opening and closing pull rod hinged to it moves upward synchronously, further driving the opening and closing special-shaped connecting piece connected to the single-sided duckbill planter to move upward, thereby opening the duckbill planter and allowing the seedling to fall into the hole pierced in the previous step.

[0013] S5: The lifting module starts to move, the servo motor drives the synchronous wheel, the synchronous belt drives the screw module to rotate in the opposite direction, the planting and covering device moves upward as a whole, the opened duckbill planter and the opened covering plate move upward at the same time until they stop at the preset soil penetration depth, completing the seedling planting action.

[0014] S6: The covering module starts to operate, the telescopic cylinder retracts, driving the middle mounting plate to move upward, and the connecting rod hinged to it drives the covering plate mounting block to move linearly on the linear guide rail, and the covering plate fastened to it moves synchronously to complete the closing action, and at the same time, this action is used to realize the covering function.

[0015] S7: The lifting module starts to move, the servo motor drives the synchronous wheel, the synchronous belt drives the screw module to rotate in the opposite direction, the planting and covering device moves upward as a whole, and the opened duckbill planter and the closed covering plate move upward at the same time until they stop at the initial working position.

[0016] S8: The seedling planting module starts to move, the telescopic cylinder retracts, and the opening and closing long rod mounting plate connected to it moves synchronously, driving the opening and closing long rod to move downward, and the opening and closing pull rod hinged to it moves downward synchronously, further driving the opening and closing special-shaped connecting piece connected to the single-sided duckbill planter to move downward, thereby closing the duckbill planter. At this point, the action of the entire device is completed.

[0017] The benefits of the present invention include: The planting and covering device of the present invention has simple and reliable actions, and can complete the two actions of planting and covering with soil through one lifting action. The structure is compact, beautiful, firm, and highly reliable. At the same time, all parts are composed of standard parts and machined parts with simple appearance, which is easy to manufacture, and adopts modular design, which is easy to assemble and maintain. In addition, the seedling planting and covering method adopted by the present invention has clear movement rules for all actions, which further increases the reliability of the operation of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is an isometric side view of the planting and covering device of the present invention; Figure 2 is a three-dimensional diagram of the lifting module of the present invention, corresponding to Figure 1 1 in; Figure 3 is a three-dimensional diagram of the seedling planting module of the present invention, corresponding to Figure 1 2 of them; Figure 4 is a three-dimensional diagram of the duckbill planter of the present invention, corresponding to Figure 2 201 of ; Figure 5 is a three-dimensional diagram of the soil covering module of the present invention, corresponding to Figure 1 3 of 3; Figure 6 is a three-dimensional diagram of the opening and closing mechanism of the cover plate of the present invention, corresponding to Figure 3 301 in; Description of reference numerals: 1-lifting module; 2-seedling planting module; 3-soil covering module; 11-screw module; 12-planting and soil covering mechanism mounting plate; 13-servo motor; 14-synchronous belt; 15-synchronous wheel; 201-duckbill planter; 202-multiple duckbill opening and closing long rods; 203-opening and closing long rod mounting plate; 204-planting mechanism L mounting plate; 205-mounting plate; 206-duckbill mounting plate fixing block; 207 telescopic cylinder; 208-linear guide rail mounting block; 209-linear guide rail; 210-duckbill opening and closing pull rod ;211- duckbill opening and closing special-shaped connecting block;212- duckbill planter mounting frame;213- single-sided duckbill planter 301- soil cover plate opening and closing mechanism;302- soil cover plate;303- telescopic cylinder;304- optical axis;305- upper mounting plate;306- vertical mounting plate;307 linear bearing;308- optical axis seat mounting block;309- lower mounting plate;310- soil cover plate mounting block;311- connecting rod;312- linear guide rail;313- middle mounting plate;314- optical axis seat;315- cylinder mounting block; DETAILED DESCRIPTION

[0019] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0020] See attached Figure 1A plant seedling planting trough planting and covering device, comprising a lifting module 1, a seedling planting module 2, and a covering module 3; the lifting module 1 comprises: a screw module 11, a planting and covering mechanism mounting plate 12, a servo motor 13, a synchronous belt 14 and a synchronous wheel 15, etc.; the seedling planting module 2 comprises: a duckbill planter 201, a plurality of duckbill opening and closing long rods 202, an opening and closing long rod mounting plate 203, a planting mechanism L mounting plate 204, a mounting plate 205, a duckbill mounting plate fixing block 206, a telescopic cylinder 207, a linear guide mounting block 208, a linear guide Rail 209, duckbill opening and closing pull rod 210, duckbill opening and closing special-shaped connecting block 211, duckbill planter mounting frame 212, single-sided duckbill planter 213, etc.; the covering module 3 includes: covering plate opening and closing mechanism 301, covering plate 302, telescopic cylinder 303, optical axis 304, upper mounting plate 305, vertical mounting plate 306, linear bearing 307, optical axis seat mounting block 308, lower mounting plate 309, covering plate mounting block 310, connecting rod 311, linear guide rail 312, middle mounting plate 313, optical axis seat 314, cylinder mounting block 315, etc.; See attached Figure 3-4 The seedling planting module is characterized in that: the module is composed of five duckbill planters 201 that can work simultaneously, the opening and closing of the single duckbill planter is controlled by a pull rod 210 and a special-shaped connecting block 211, and is fixed to the duckbill planter mounting frame 212 by step bolts, thereby realizing the opening and closing rotation movement, and then the mounting frame is fixed to the mounting plate 205 by screws, so as to facilitate the synchronous control of multiple planters, and then the pull rod 210 is fixed to the opening and closing long rod 202 by step bolts, and the latter is connected to the cylinder through the opening and closing long rod connecting block 203, and synchronously completes the up and down telescopic action, thereby realizing the opening and closing action of multiple duckbill planters, and at the same time, the two ends of the opening and closing long rod are fixed on the slider of the linear guide rail to constrain its up and down linear movement; See attached Figure 5-6The planting covering module is characterized in that: the module is composed of two sets of covering plate opening and closing mechanisms 301 and a covering plate 302, the covering plate and the linear guide 312 are connected by a mounting block 310, thereby constraining the covering plate to achieve linear opening and closing movement, the linear guide is fixed to the lower mounting plate 309 by screws, the vertical mounting plate 306 is fixed to the lower mounting plate by screws, the upper mounting plate is fixed to the vertical mounting plate by screws, the telescopic cylinder 303 is connected to the upper mounting plate by a cylinder mounting block 315, and is The middle mounting plate 313 and the telescopic cylinder are connected by screws to achieve up and down movement. The optical axis seat 314 is installed on the upper mounting plate and the vertical mounting plate by screws to fix the optical axis 304. The linear bearing 307 is installed on the middle mounting plate and matches with the optical axis clearance. The connecting rod 311 is hinged by stepped screws to connect the middle mounting plate 313 and the covering plate mounting block 310, and realizes up and down movement synchronously with the telescopic cylinder. Since the lengths of the two connecting rods are the same, when the telescopic cylinder is actuated, the connecting rod drives the covering plates on both sides to realize opening and closing action. Therefore, the present invention modularizes the planting module 2 and the soil covering module 3, and uses a set of lifting modules to perform one lifting action to achieve the two actions of planting plant seedlings and covering soil. The overall mechanism has fast action speed, high work efficiency and high reliability.

[0021] See attached Figure 1-6 , a method for covering soil for planting plant seedlings, characterized in that the method comprises the following steps: S1: Before the device is operated, the telescopic cylinder 207 is in a retracted state, and at the same time, the opening and closing long rod 202 drives the opening and closing pull rod 210 to make the duckbill planter 201 in a closed state. At this time, the seedlings are put into the planter, and the planting trough filled with soil matrix is ​​in place; S2: The soil covering module starts to operate, the telescopic cylinder 303 extends, driving the middle mounting plate 313 to move downward, and the connecting rod 311 hinged thereto drives the soil covering plate mounting block 310 to make a linear motion on the linear guide rail 312, and the soil covering plate fastened thereto moves synchronously, completing the opening action; S3: The lifting module starts to operate, the servo motor 13 drives the synchronous wheel 15, the synchronous belt 14 drives the screw module 11 to rotate forward, the planting and covering device moves downward as a whole, and the closed duckbill planter 201 and the opened covering plate 302 move downward at the same time until they stop at the preset soil penetration depth, completing the hole-piercing action; S4: The seedling planting module starts to move, the telescopic cylinder 207 extends, and the opening and closing long rod mounting plate 203 connected thereto moves synchronously, driving the opening and closing long rod 202 to move upward, and the opening and closing pull rod 210 hinged thereto moves upward synchronously, further driving the opening and closing special-shaped connecting piece 211 connected to the single-sided duckbill planter to move upward, so that the duckbill planter 201 opens, and the seedling falls into the hole pierced in the previous step; S5: The lifting module starts to move, the servo motor 13 drives the synchronous wheel 15, the synchronous belt 14 drives the screw module 11 to rotate in the opposite direction, the planting and covering device moves upward as a whole, and the opened duckbill planter 201 and the opened covering plate 302 move upward at the same time until they stop at the preset soil penetration depth, completing the seedling planting action; S6: The soil covering module starts to operate, the telescopic cylinder 303 retracts, driving the middle mounting plate 313 to move upward, and the connecting rod 311 hinged thereto drives the soil covering plate mounting block 310 to make a linear motion on the linear guide rail 312, and the soil covering plate fastened thereto moves synchronously to complete the closing action, and at the same time, the soil covering function is realized by using this action; S7: the lifting module starts to move, the servo motor 13 drives the synchronous wheel 15, the synchronous belt 14 drives the screw module 11 to rotate in the opposite direction, the planting and covering device moves upward as a whole, and the opened duckbill planter 201 and the closed covering plate 302 move upward at the same time until they stop at the initial working position; S8: The seedling planting module starts to move, the telescopic cylinder 207 retracts, and the opening and closing long rod mounting plate 203 connected thereto moves synchronously, driving the opening and closing long rod 202 to move downward, and the opening and closing pull rod 210 hinged thereto moves downward synchronously, further driving the opening and closing special-shaped connecting piece 211 connected to the single-sided duckbill planter to move downward, thereby closing the duckbill planter 201, and the action of the entire device is now completed; Although the present invention is disclosed as above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the scope defined by the claims.

Claims

1. A soil covering device for planting a plant seedling planting trough, characterized in that: It comprises a lifting module (1), a seedling planting module (2), and a soil covering module (3); the soil covering module (3) is installed on the seedling planting module (2), and the seedling planting module (2) is installed on the lifting module (1).

2. The soil covering device for planting a plant seedling planting trough according to claim 1, characterized in that: The lifting module (1) comprises: a screw module (11), a planting and covering mechanism mounting plate (12), a servo motor (13), a synchronous belt (14) and a synchronous wheel (15); the characteristic is that: a synchronous wheel (15) is mounted on the output shaft end of the servo motor (13), and the synchronous wheel (15) is connected to the screw module (11) through a synchronous belt (14); the planting and covering mechanism mounting plate (12) is mounted on the outer frame of the screw module (11).

3. The soil covering device for planting a plant seedling planting trough according to claim 1, characterized in that: The seedling planting module (2) comprises: a duckbill planter (201), a duckbill opening and closing long rod (202), an opening and closing long rod mounting plate (203), a planting mechanism L-shaped mounting plate (204), a mounting plate (205), a duckbill mounting plate fixing block (206), a telescopic cylinder (207), a linear guide rail mounting block (208), a linear guide rail (209), a duckbill opening and closing pull rod (210), a duckbill opening and closing special-shaped connecting block (211), a duckbill planter mounting frame (212), and a single-sided duckbill planter (213); the feature is that an opening and closing long rod mounting plate (203) is provided between the duckbill opening and closing long rods (202); the telescopic cylinder (207) is mounted on the planting mechanism L-shaped mounting plate (204), and is fixedly connected with the opening and closing long rod mounting plate (203) to synchronously realize telescopic action; and five duckbill planters are fixed on the mounting plate (205); The mounting plate (205) and the duckbill mounting plate fixing block (206) are fastened by bolts; the opening and closing of the single duckbill planter is controlled by the pull rod (210) and the special-shaped connecting block (211), and is fixed to the duckbill planter mounting frame (212) by stepped bolts, thereby realizing the opening and closing rotation movement; then the mounting frame is fixed to the mounting plate (205) by screws, so as to facilitate the synchronous control of multiple planters; then the pull rod (210) is fixed to the opening and closing long rod (202) by stepped bolts; the latter is connected to the cylinder through the opening and closing long rod connecting block (203), and the upward and downward telescopic movement is synchronously completed, thereby realizing the opening and closing movement of multiple duckbill planters; a linear guide rail (209) is installed at the end of the duckbill opening and closing long rod (202); the linear guide rail (209) is installed on the linear guide rail mounting block (208) to constrain its upward and downward linear movement.

4. The soil covering device for planting a plant seedling planting trough according to claim 1, characterized in that: The covering module (3) comprises: a covering plate opening and closing mechanism (301), a covering plate (302), a telescopic cylinder (303), an optical axis (304), an upper mounting plate (305), a vertical mounting plate (306), a linear bearing (307), an optical axis seat mounting block (308), a lower mounting plate (309), a covering plate mounting block (310), a connecting rod (311), a linear guide rail (312), a middle mounting plate (313), an optical axis seat (314), and a cylinder mounting block (315); the module is characterized in that: the module is composed of two groups of covering plate opening and closing mechanisms (301) and covering plates (302); the covering plates and the linear guide rail (312) are connected via the mounting block (310), thereby constraining the covering plates to achieve linear opening and closing movement; the linear guide rail is fixed to the lower mounting plate (309) via screws; The vertical mounting plate (306) is fixed to the lower mounting plate by screws, the upper mounting plate is fixed to the vertical mounting plate by screws, the telescopic cylinder (303) is connected to the upper mounting plate by a cylinder mounting block (315) and fixed by screws, the middle mounting plate (313) and the telescopic cylinder are connected by screws to achieve up and down movement, the optical axis seat (314) is installed on the upper mounting plate and the vertical mounting plate by screws to fix the optical axis (304), the linear bearing (307) is installed on the middle mounting plate and is clearance-matched with the optical axis, the connecting rod (311) is hinged by stepped screws to connect the middle mounting plate (313) and the covering plate mounting block (310), and achieves up and down movement synchronously with the telescopic cylinder, and since the two connecting rods are of the same length, when the telescopic cylinder is actuated, the connecting rod drives the covering plates on both sides to achieve opening and closing movements.

5. The soil covering device for planting a plant seedling planting trough according to claim 3, characterized in that: The connection method of the pull rod (210) and the opening and closing long rod (202) and the connecting rod (311) and the middle mounting plate (313) and the covering plate mounting block (310) includes hinge connection or bearing connection.

6. A planting and soil covering method implemented by using the planting and soil covering device for plant seedlings in a planting trough according to any one of claims 1 to 3, characterized in that: The following steps are involved: S1: Before the device is operated, the telescopic cylinder (207) is in a retracted state, and at the same time, the opening and closing long rod (202) drives the opening and closing pull rod (210) to make the duckbill planter (201) in a closed state. At this time, the seedlings are put into the planter, and the planting trough filled with soil matrix is ​​in place; S2: the soil covering module starts to operate, the telescopic cylinder (303) extends, driving the middle mounting plate (313) to move downward, and the connecting rod (311) hinged thereto drives the soil covering plate mounting block (310) to move linearly on the linear guide rail (312), and the soil covering plate fastened thereto moves synchronously, completing the opening action; S3: the lifting module starts to operate, the servo motor (13) drives the synchronous wheel (15), the synchronous belt (14) drives the screw module (11) to rotate in the forward direction, the planting and covering device as a whole moves downward, and the closed duckbill planter (201) and the opened covering plate (302) move downward at the same time until they stop at a preset soil penetration depth, completing the hole-piercing action; S4: the seedling planting module starts to move, the telescopic cylinder (207) extends, the opening and closing long rod mounting plate (203) connected thereto moves synchronously, driving the opening and closing long rod (202) to move upward, the opening and closing pull rod (210) hinged thereto moves upward synchronously, driving the opening and closing special-shaped connecting piece (211) connected to the single-sided duckbill planter to move upward, thereby opening the duckbill planter (201) and allowing the seedling to fall into the hole pierced in the previous step; S5: the lifting module starts to move, the servo motor (13) drives the synchronous wheel (15), the synchronous belt (14) drives the screw module (11) to rotate in the opposite direction, the planting and covering device moves upward as a whole, and the opened duckbill planter (201) and the opened covering plate (302) move upward at the same time until they stop at a preset soil penetration depth, completing the seedling planting action; S6: the soil covering module starts to operate, the telescopic cylinder (303) retracts, driving the middle mounting plate (313) to move upward, and the connecting rod (311) hinged thereto drives the soil covering plate mounting block (310) to perform linear motion on the linear guide rail (312), and the soil covering plate fastened thereto moves synchronously, completing the closing action, and at the same time utilizing this action to realize the soil covering function; S7: the lifting module starts to move, the servo motor (13) drives the synchronous wheel (15), and the synchronous belt (14) drives the screw module (11) to rotate in the opposite direction, and the planting and covering device moves upward as a whole, and the opened duckbill planter (201) and the closed covering plate (302) move upward at the same time until they stop at the initial working position; S8: The seedling planting module starts to move, the telescopic cylinder (207) retracts, and the opening and closing long rod mounting plate (203) fixedly connected thereto moves synchronously, driving the opening and closing long rod (202) to move downward, and the opening and closing pull rod (210) hinged thereto moves downward synchronously, further driving the opening and closing special-shaped connecting piece (211) fixedly connected to the single-sided duckbill planter to move downward, thereby closing the duckbill planter (201). At this point, the movement of the entire device is completed.

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