Plug seeder

By introducing left-right and front-back adjustment components into the seed tray seeder, the problem of needing to replace the pressure plate for different sizes of seed trays has been solved, achieving simplified operation and improved sowing efficiency to adapt to different sizes of seed trays.

CN223745257UActive Publication Date: 2026-01-02HAINAN CHENGMAINONGZHIZI AGRICULTURAL TECHNOLOGY DEVELOPMENT CO LTD
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Patent Information

Application Number
CN202520137486.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2026-01-02
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

Existing tray seedling planters require different pressure plates to be changed when dealing with different sizes of trays, which makes operation difficult and reduces planting efficiency.

Method used

Design a seed tray planter that uses left-right and front-back adjustment components to adjust the position of the pressure plate to adapt to different sizes of seed trays, and uses a Y-shaped block to cooperate with the T-slot on the mounting frame to facilitate the replacement and fixing of the pressure plate.

Benefits of technology

This has broadened the applicability of the seeder, reduced the difficulty of operation, and improved sowing efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223745257U_ABST
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Abstract

The utility model relates to the technical field of seeding machines, in particular to a hole tray seeding machine which comprises a conveying frame and a seeding device, the seeding device is arranged on the conveying frame, and a hole pressing mechanism is arranged on the conveying frame; the hole pressing mechanism comprises a pressing plate and a pressing column, and the pressing plate is provided with a left-right adjusting assembly and a front-back adjusting assembly which are matched with the pressing column; the left-right adjusting assembly comprises first moving plates and a fixed plate, the pressing columns are arranged on the first moving plates and the fixed plate at intervals, and the multiple first moving plates are fixedly connected through a connecting frame; a first dovetail groove is formed in the pressing plate, a first dovetail block corresponding to the first dovetail groove is fixedly arranged on the first moving plate, and the position of the pressing column is adjusted through the left-right adjusting assembly and the front-back adjusting assembly, so that the seeding machine adapts to hole trays of different specifications, the application range of the seeding machine is widened, and the operation difficulty is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sowing machine technical field especially, relates to a plug seeding machine. BACKGROUND

[0002] Plug seedling is a new seedling technique developed in the 70s of last century, which is widely used in seedling of vegetables and flowers, and is also suitable for seedling of tobacco, forest trees and other crops. The core advantage of this method lies in its ability to effectively protect the root system of plants and reduce damage during transplanting, thereby improving the survival rate. In addition, plug seedling has the characteristics of high yield, which can achieve higher planting density in limited space and improve the production efficiency per unit area. Due to the reasonable structure design of plug seedling, the finished seedling is convenient for long-distance transportation, reducing the loss in the transportation process, which makes this technology more and more popular in modern agricultural production.

[0003] The existing plug seedling is usually sown by plug seeding machine to increase the sowing efficiency. Before sowing, the plug hole structure of the seeding machine will be pressed to create the conditions for sowing. For example, the Chinese patent CN113767731A discloses a pneumatic plug seeding machine, which can realize high-efficiency assembly line operation of plug seeding through the cooperation of the filling device, seeding device and soil covering and watering device. The seeding device structure is simple and compact, and the components are easy to assemble and maintain, with strong adaptability. Through the cooperation of the distribution chamber and multiple air chambers, the distribution chamber can complete seed suction, distribution and cleaning in one rotation cycle, realizing high-efficiency and precise seeding.

[0004] However, in actual use, different plants require different soil areas for seedling, so different specifications of plug holes are needed, which makes the hole positions in the plug different, and different specifications of pressing plates need to be replaced, increasing the operation difficulty and reducing the sowing efficiency, affecting the operation experience. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problems of different hole positions in different specifications of plug, the need to replace different specifications of pressing plates, the increase of operation difficulty and the reduction of sowing efficiency in the prior art, and provides a plug seeding machine.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A plug seeding machine is designed, which comprises a conveying frame and a seeding device. The seeding device is arranged on the conveying frame, and a plug hole pressing mechanism is arranged on the conveying frame.

[0008] The plug hole pressing mechanism comprises a pressing plate and a pressing column. The pressing plate is provided with left and right adjusting components and front and rear adjusting components matched with the pressing column.

[0009] The left and right adjusting assembly comprises first moving plates and a fixed plate, and the pressing columns are arranged on the first moving plates and the fixed plate in a spaced manner, and the first moving plates are fixedly connected through a connecting frame;

[0010] The first moving plates are fixedly provided with first dovetail blocks corresponding to the first dovetail grooves.

[0011] Further, a sliding groove is formed on the pressing plate, a first screw rod is rotatably arranged in the sliding groove, and a sliding block is fixedly arranged on the connecting frame and threadedly connected with the first screw rod.

[0012] Further, the front and rear adjusting assembly comprises second dovetail grooves and second moving plates formed on the first moving plates and the fixed plate, the second moving plates are inserted with the pressing columns, and the pressing columns inserted with the second moving plates are fixedly provided with second dovetail blocks slidably connected with the second dovetail grooves.

[0013] Further, the pressing columns at the intersection of the second moving plates and the fixed plate and the second dovetail blocks on the pressing columns are fixedly connected with the second moving plates, and the second moving plates are provided with guide grooves matched with the pressing columns at the intersection of the second moving plates and the first moving plates.

[0014] Further, a second screw rod is rotatably arranged on the fixed plate, and the second screw rod is threadedly connected with the second dovetail blocks.

[0015] Further, a guide frame is arranged on the conveying frame, a mounting frame is arranged on the pressing plate, a guide column is arranged on the mounting frame, the guide column is movably inserted with the guide frame, and a cylinder is fixedly arranged on the guide frame and power-connected with the mounting frame.

[0016] Further, a T-shaped groove is formed on the mounting frame, a T-shaped block matched with the T-shaped groove is fixedly arranged on the pressing plate, and a positioning piece connected with the pressing plate is arranged on the mounting frame.

[0017] The hole disc seeder has the beneficial effects that:

[0018] In the utility model, the positions of the pressing columns are adjusted through the left and right adjusting assembly and the front and rear adjusting assembly, so that the hole discs of different specifications are adapted, the application range of the seeder is improved, and the operation difficulty is reduced.

[0019] Secondly, in the utility model, the Y-shaped block arranged on the pressing plate is matched with the T-shaped groove on the mounting frame, the pressing plate is conveniently replaced, and the pressing plate is fixedly arranged on the mounting frame through the positioning piece to prevent loosening and separation. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A structure schematic view of the plug seeding machine is provided in the utility model.

[0021] Figure 2 A structure schematic view of the guide frame is provided in the utility model.

[0022] Figure 3 A structure schematic view of the fixed plate is provided in the utility model.

[0023] Figure 4 A structure schematic view of the connecting frame is provided in the utility model.

[0024] Figure 5 A structure schematic view of the guide groove is provided in the utility model.

[0025] In the figure: 1, conveying frame; 2, seeding device; 3, hole pressing mechanism; 31, pressing plate; 311, sliding groove; 312, first screw rod; 313, sliding block; 32, pressing column; 33, left-right adjusting assembly; 331, first moving plate; 332, fixed plate; 333, connecting frame; 334, first dovetail groove; 34, front-rear adjusting assembly; 341, second dovetail groove; 342, second moving plate; 343, sliding groove; 344, second screw rod; 35, mounting frame; 36, guide column; 37, T-shaped groove; 4, guide frame. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0027] Referring to Figures 1-5 A plug seeding machine, comprising a conveying frame 1 and a seeding device 2. In actual production, the seeding device 2 can adopt the seeding structure in the background technology cited comparative case, or other seeding structures can be adopted according to actual conditions. The seeding device 2 is arranged on the conveying frame 1, and the conveying frame 1 is provided with a hole pressing mechanism 3.

[0028] The hole pressing mechanism 3 comprises a pressing plate 31 and a pressing column 32. The pressing plate 31 is provided with a left-right adjusting assembly 33 and a front-rear adjusting assembly 34 matched with the pressing column 32.

[0029] The left-right adjusting assembly 33 comprises a first moving plate 331 and a fixed plate 332. The pressing columns 32 are arranged on the first moving plate 331 and the fixed plate 332 at intervals. The first moving plates 331 are fixedly connected through connecting frames 333.

[0030] The pressing plate 31 is provided with a first dovetail groove 334. The first moving plate 331 is fixedly provided with a first dovetail block corresponding to the first dovetail groove 334.

[0031] In the utility model, through cooperation of left-right adjusting assembly 33 and front-rear adjusting assembly 34, the position of pressing column 32 is adjusted according to requirement, so that different specifications of plug trays are adapted, the application range of seeding machine is improved, and the operation difficulty is reduced.

[0032] Further, in the embodiment, the sliding groove 311 is formed on the pressing plate 31, the first screw rod 312 is rotatably arranged in the sliding groove 311, the sliding block 313 is fixedly arranged on the connecting frame 333 and is threadedly connected with the first screw rod 312, the first screw rod 312 is rotated to drive the connecting frame 333 to move, and then the plurality of first moving plates 331 are simultaneously driven to move, the position of the pressing column 32 on the first moving plate 331 is adjusted left and right, and different specifications of plug trays are adapted.

[0033] Further, in the embodiment, the front-rear adjusting assembly 34 includes the second dovetail groove 341 and the second moving plate 342 formed on the first moving plate 331 and the fixed plate 332, the second moving plate 342 is inserted with the pressing column 32, the second dovetail block that is slidably connected with the second dovetail groove 341 is fixedly arranged on the pressing column 32 inserted with the second moving plate 342, the second dovetail block is used to fix the pressing column 32 to prevent the pressing column 32 from falling off, and the front-rear position of part of the pressing column 32 is adjusted by the second moving plate 342.

[0034] It should be noted that, in the embodiment, the pressing column 32 at the intersection of the second moving plate 342 and the fixed plate 332 and the second dovetail block on the pressing column 32 are fixedly connected with the second moving plate 342, the second dovetail block is used to fix the second moving plate 342 to prevent the second moving plate 342 from falling off, the guide groove 343 that cooperates with the pressing column 32 is formed at the intersection of the second moving plate 342 and the first moving plate 331, and when the first moving plate 331 moves, the pressing column 32 connected with the first moving plate 331 moves in the guide groove 343 and is not clamped by the second moving plate 342.

[0035] In addition, in the embodiment, the second screw rod 344 is rotatably arranged on the fixed plate 332, the second screw rod 344 is threadedly connected with the second dovetail block, the second moving plate 342 is driven to move by rotating the second screw rod 344, and the plurality of second moving plates 342 are connected with each other by the connecting plate to form an integral structure.

[0036] In detail, in the embodiment, the guide frame 4 is arranged on the conveying frame 1, the mounting frame 35 is arranged on the pressing plate 31, the guide column 36 is arranged on the mounting frame 35, the guide column 36 is movably inserted with the guide frame 4, the cylinder that is power-connected with the mounting frame 35 is fixedly arranged on the guide frame 4, the movement track of the mounting frame 35 and the pressing plate 31 is limited by cooperation of the guide column 36 and the guide frame 4, and the pressing plate 31 and the plug tray are prevented from being dislocated.

[0037] More specifically, in the present embodiment, a T-shaped groove 37 is formed on the mounting frame 35, and a T-shaped block that cooperates with the T-shaped groove 37 is fixedly arranged on the pressing plate 31. The mounting frame 35 is provided with a positioning member connected with the pressing plate 31. The Y-shaped block cooperates with the T-shaped groove 37 on the mounting frame, facilitating replacement of the pressing plate 31. The positioning member is used to fix the pressing plate 31 to prevent loosening and separation from the mounting frame 35. The positioning member can be a bolt, a screw or other positioning connecting member.

[0038] Working mode; when working, the first screw rod 312 is rotated to drive the connecting frame 333 to move, and then simultaneously drive the plurality of first moving plates 331 to move, so as to adjust the position of the pressing column 32 on the first moving plate 331. When the first moving plate 331 moves, the pressing column 32 on the first moving plate 331 moves in the guide groove 343 and is not clamped by the second moving plate 342. The second moving plate 342 can be driven to move by rotating the second screw rod 344, and then the position of the pressing column 32 on the second moving plate 342 is adjusted.

[0039] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A plug seeding machine comprising a transport frame (1) and a seeding device (2), characterized in that, The sowing device (2) is arranged on the conveying frame (1), and a hole pressing mechanism (3) is arranged on the conveying frame (1); The hole pressing mechanism (3) comprises a pressing plate (31) and pressing columns (32), and left-right adjusting assemblies (33) and front-rear adjusting assemblies (34) are arranged on the pressing plate (31) and matched with the pressing columns (32); The left-right adjusting assemblies (33) comprise first moving plates (331) and fixed plates (332), and the pressing columns (32) are arranged on the first moving plates (331) and the fixed plates (332) at intervals, and the first moving plates (331) are fixedly connected through connecting frames (333); First dovetail grooves (334) are formed in the pressing plate (31), and first dovetail blocks corresponding to the first dovetail grooves (334) are fixedly arranged on the first moving plates (331).

2. A plug planter as claimed in claim 1, characterized in that: A sliding groove (311) is formed in the pressing plate (31), a first screw (312) is rotatably arranged in the sliding groove (311), and a sliding block (313) threadedly connected with the first screw (312) is fixedly arranged on the connecting frame (333).

3. A plug planter as claimed in claim 1, wherein: The front-rear adjusting assemblies (34) comprise second dovetail grooves (341) and second moving plates (342) formed in the first moving plates (331) and the fixed plates (332), the second moving plates (342) are inserted with the pressing columns (32), and second dovetail blocks slidably connected with the second dovetail grooves (341) are fixedly arranged on the pressing columns (32) inserted with the second moving plates (342).

4. A plug planter as claimed in claim 3, characterized in that: The pressing columns (32) at intersections of the second moving plates (342) and the fixed plates (332) and the second dovetail blocks on the pressing columns (32) are fixedly connected with the second moving plates (342), and guide grooves (343) matched with the pressing columns (32) are formed at intersections of the second moving plates (342) and the first moving plates (331).

5. A plug planter as claimed in claim 3, wherein: A second screw (344) is rotatably arranged on the fixed plate (332), and the second screw (344) is threadedly connected with the second dovetail blocks.

6. A plug planter as claimed in claim 1, wherein: A guide frame (4) is arranged on the conveying frame (1), an installation frame (35) is arranged on the pressing plate (31), a guide column (36) is arranged on the installation frame (35), the guide column (36) is movably inserted with the guide frame (4), and a cylinder is fixedly arranged on the guide frame (4) and power-connected with the installation frame (35).

7. A plug planter as claimed in claim 6, characterized in that: A T-shaped groove (37) is formed in the installation frame (35), a T-shaped block matched with the T-shaped groove (37) is fixedly arranged on the pressing plate (31), and a positioning piece connected with the pressing plate (31) is arranged on the installation frame (35).

Citation Information

Patent Citations

  • Air suction type hole tray seeder

    CN113767731A