Swing mechanism for seeding arm of seeding machine

Abstract

The utility model relates to the field of machine seeding, in particular to a seeding arm swing mechanism of a seeding machine, which comprises a mounting plate and a seeding arm, a motor is fixed on one side of the mounting plate, a driving chain wheel is mounted on an output shaft of the motor, a rotating shaft is rotatably connected onto the mounting plate, a driven chain wheel is mounted on the rotating shaft, and the driven chain wheel is connected with the mounting plate. The driving chain wheel and the driven chain wheel are in transmission connection through a chain, a first crank rod is fixed to one end of the rotating shaft, a swing rod is hinged to one end of the first crank rod, the end, away from the rotating shaft, of the swing rod is hinged to the middle of the seeding arm, and a duckbilled seeding assembly is installed at one end of the seeding arm. Through the cooperative design of the first crank rod, the driving rod and the second crank rod, the swing stability of the seeding arm is improved, and the swing of the seeding arm is more accurate and controllable. Therefore, the uniform distribution of the seeds in the seeding process is ensured, and the seeding precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of machine seeding, in particular to a seeding machine seeding arm swing mechanism. BACKGROUND

[0002] Insufficient seeding precision and stability

[0003] Unreasonable swing mechanism design: Some products on the market may have overly simple or complex swing mechanism designs, leading to unstable seeding arm swings and affecting seeding precision.

[0004] Insufficient or unstable auxiliary drive: Some products may lack effective auxiliary drive mechanisms or have unreasonable auxiliary drive mechanism designs, causing the seeding arm to fail to maintain a stable trajectory and speed during the swing process.

[0005] Insufficient connection stability and reliability

[0006] Loose or detached connection components: Some products on the market may have unstable connection component designs, prone to loosening or detachment, causing the seeding machine to malfunction during operation.

[0007] Unreasonable hinge design: Some products may have overly simple or complex hinge designs, causing the connection components to be easily damaged or fail during rotation.

[0008] Therefore, it is necessary to provide a seeding machine seeding arm swing mechanism to solve the above technical problems. SUMMARY

[0009] To solve the above technical problems, the utility model provides a seeding machine seeding arm swing mechanism.

[0010] The utility model provides a seeding machine seeding arm swing mechanism, including the mounting panel and the seeding arm, the one side of mounting panel is fixed with motor, the output shaft of motor is installed with driving sprocket, the rotary connection has the pivot on the mounting panel, be installed with driven sprocket on the pivot, through chain drive connection between driving sprocket and driven sprocket, the one end of pivot is fixed with first crank rod, the one end of first crank rod is articulated with swing bar, the one end of swing bar away from pivot is articulated with the middle part of seeding arm, one end of seeding arm is installed with duckbill seeding assembly, the other end of seeding arm is rotatably connected with drive rod, the output shaft of motor is fixed with second crank rod, be equipped with the waist shape hole on second crank rod, drive rod is installed in the waist shape hole.

[0011] Power transmission: use motor as power source, drive driving sprocket to rotate through its output shaft. The driving sprocket is connected with the driven sprocket through the chain, drives the driven sprocket, realizes the transmission of power.

[0012] Swing mechanism: the driven sprocket is installed on the rotating shaft, when the driven sprocket rotates, the rotating shaft will also rotate. One end of the rotating shaft is fixed with the first crank rod, and the first crank rod is connected with the middle part of the seeding arm through the swing rod. The design of the connecting rod mechanism enables the seeding arm to swing around its fixed point.

[0013] Auxiliary drive: in order to increase the stability and controllability of the swing of the seeding arm, the cooperation of the driving rod and the second crank rod is designed. The second crank rod is fixed on the output shaft of the motor, and the waist-shaped hole is arranged on the second crank rod. The driving rod is installed in the waist-shaped hole. In this way, the rotation of the motor not only drives the seeding arm to swing through the chain, but also assists the driving of the seeding arm through the cooperation of the driving rod and the second crank rod.

[0014] Preferably, the middle part of the seeding arm is symmetrically fixed with an ear plate, and the swing rod is hinged with the ear plate, which increases the stability and reliability of the connection.

[0015] Preferably, the driving rod comprises a rotating part connected with the seeding arm, a connecting part arranged at one end of the rotating part, and a threaded part arranged at one end of the connecting part. The diameter of the rotating part is greater than the width of the waist-shaped hole. The connecting part is provided with an anti-rotation flat part in contact with the side wall of the waist-shaped hole, which prevents the driving rod from rotating in the waist-shaped hole. The threaded part is provided with a nut for fixing the position of the driving rod.

[0016] Preferably, the end of the output shaft of the motor and the end of the rotating shaft are provided with anti-rotation tooth grooves, and the driving sprocket, the driven sprocket, the first crank rod and the second crank rod are all provided with matching holes matched with the anti-rotation tooth grooves, which ensures that the components will not rotate relatively during rotation.

[0017] Preferably, the output shaft of the motor is provided with a first snap spring for limiting the position of the second crank rod and the driving sprocket, and the rotating shaft is provided with a second snap spring for limiting the position of the first crank rod and the driven sprocket, which prevents the components from falling off during rotation.

[0018] Compared with the related art, the utility model provides the following beneficial effects:

[0019] Enhance the seeding precision

[0020] Auxiliary drive precision: the cooperation design of the first crank rod, the driving rod and the second crank rod not only increases the stability of the swing of the seeding arm, but also makes the swing of the seeding arm more accurate and controllable. This helps to ensure the uniform distribution of seeds during the seeding process and improves the seeding precision.

[0021] Anti-rotation design: through the design of the anti-rotation tooth groove and the matching hole, it is ensured that the components will not rotate relatively during rotation, so as to avoid the seeding error caused by the loosening or misplacement of the components.

[0022] Enhance structural reliability

[0023] Stable connection: The hinge design of the ear plate in the middle of the seeding arm and the swing rod, as well as the matching design of the driving rod and the waist-shaped hole, greatly increase the stability and reliability of the connection. This helps to ensure that the seeder does not malfunction due to loose or missing parts during operation.

[0024] Anti-falling design: The design of the first and second clamping springs effectively prevents the falling of parts during rotation, further enhancing the structural reliability of the seeder. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 Schematic diagram of the overall structure of the utility model after removing the chain;

[0026] Figure 2 Schematic diagram of the second crank rod structure of the utility model;

[0027] Figure 3 Schematic diagram of the first crank rod structure of the utility model;

[0028] Figure 4 Schematic diagram of the motor structure of the utility model;

[0029] Figure 5 Schematic diagram of the driving rod structure of the utility model;

[0030] Figure 6 Schematic diagram of the shaft structure of the utility model.

[0031] Reference numerals in the figure: 1, mounting plate; 2, seeding arm; 3, motor; 4, driving sprocket; 5, shaft; 6, driven sprocket; 7, second clamping spring; 8, first crank rod; 9, swing rod; 10, duckbill seeding assembly; 11, driving rod; 12, second crank rod; 13, waist-shaped hole; 14, ear plate; 15, rotating part; 16, connecting part; 17, threaded part; 18, anti-rotation flat part; 19, nut; 20, anti-rotation tooth groove; 21, matching hole; 22, first clamping spring. DETAILED DESCRIPTION

[0032] The utility model will be further described below in combination with the drawings and embodiments.

[0033] Please refer to 1- Figure 6 A seeding machine seeding arm swing mechanism mainly consists of a mounting plate 1, a seeding arm 2 and a series of precision components. The mounting plate 1 serves as the stable foundation of the entire mechanism, and its one side is firmly fixed with a motor 3, which is the power source of the entire swing mechanism. On the output shaft of the motor 3, a driving sprocket 4 is installed.

[0034] The active sprocket 4 and the driven sprocket 6 are closely connected by a chain, and the tacit cooperation between them realizes the seamless transmission of power. The driven sprocket 6 is installed on the rotating shaft 5, and when the active sprocket 4 rotates, the driven sprocket 6 also rotates, driving the rotating shaft 5 to rotate slowly.

[0035] One end of the rotating shaft 5 is fixed with the first crank rod 8, which converts the rotating power of the rotating shaft 5 into the swing of the seeding arm 2. The other end of the first crank rod 8 is ingeniously hinged with the swing rod 9, and the other end of the swing rod 9 is hinged with the middle part of the seeding arm 2. The design of this connecting rod mechanism enables the seeding arm 2 to swing smoothly and stably around its fixed point. It is worth mentioning that the middle part of the seeding arm 2 is also symmetrically fixed with ear plates 14, and the swing rod 9 is hinged with these ear plates 14. Such design greatly increases the stability and reliability of the connection.

[0036] In order to further improve the stability and controllability of the swing of the seeding arm 2, the cooperation of the driving rod 11 and the second crank rod 12 is designed. The second crank rod 12 is stably fixed on the output shaft of the motor 3, and the waist-shaped hole 13 is carefully carved on it, while the driving rod 11 is ingeniously installed in the waist-shaped hole 13. In this way, the rotation of the motor 3 not only drives the seeding arm 2 to swing through the chain, but also precisely assists the driving of the seeding arm 2 through the close cooperation of the driving rod 11 and the second crank rod 12.

[0037] The driving rod 11 includes a rotating part 15 connected with the seeding arm 2, a connecting part 16 provided at one end of the rotating part 15, and a threaded part 17 provided at one end of the connecting part 16. The diameter of the rotating part 15 is ingeniously larger than the width of the waist-shaped hole 13, ensuring that the driving rod 11 cannot easily slip out of the waist-shaped hole 13. The connecting part 16 is provided with an anti-rotation flat part 18 in close contact with the side wall of the waist-shaped hole 13, which effectively prevents the rotation of the driving rod 11 in the waist-shaped hole 13. The threaded part 17 is firmly installed with a nut 19, which is used to fix the position of the driving rod 11 and ensure its stability during work.

[0038] In addition, in order to ensure that each part does not rotate or fall off during rotation, anti-rotation tooth grooves 20 are also provided at the end of the output shaft of the motor 3 and the end of the rotating shaft 5, and matching holes 21 are provided on the active sprocket 4, the driven sprocket 6, the first crank rod 8 and the second crank rod 12, which closely cooperate with the anti-rotation tooth grooves 20. Such design is like putting a layer of strong armor on each part, ensuring their stability and reliability during rotation.

[0039] Finally, in order to prevent the components from falling off during rotation, a first snap spring 22 is installed on the output shaft of the motor 3 to limit the position of the second crank rod 12 and the driving sprocket 4; a second snap spring 7 is installed on the rotating shaft 5 to limit the position of the first crank rod 8 and the driven sprocket 6. The design of these snap springs is like a safety lock for the entire swing mechanism, ensuring its safety during operation.

[0040] Working principle

[0041] Starting the motor: when the motor 3 starts, its output shaft begins to rotate, driving the driving sprocket 4 to rotate.

[0042] Chain transmission: the driving sprocket 4 transmits power to the driven sprocket 6 through the chain, and the driven sprocket 6 rotates accordingly.

[0043] Linkage swing: the rotation of the driven sprocket 6 drives the rotating shaft 5 to rotate, and in turn drives the first crank rod 8 to rotate. The first crank rod 8 converts the rotary motion into the swing motion of the seeding arm 2 through the swing rod 9.

[0044] Auxiliary drive: at the same time, the output shaft of the motor 3 also drives the second crank rod 12 to rotate, which, through the cooperation of the waist-shaped hole 13 and the driving rod 11, assists in driving the seeding arm 2, increasing the stability and controllability of the swing.

[0045] Seeding operation: with the swing of the seeding arm 2, the duckbill seeding assembly 10 will sow the seeds into the soil according to the set trajectory.

[0046] The above is only an embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process conversion, or direct or indirect application in other related technical fields, is also included in the patent protection scope of the present application.

Claims

1. A planter seeding arm swing mechanism characterized by, The utility model provides a kind of seeding arm drive mechanism, including mounting plate (1) and seeding arm (2), one side of the mounting plate (1) is fixed with motor (3), output shaft of the motor (3) is installed with driving sprocket (4), the mounting plate (1) is rotatably connected with rotating shaft (5), the rotating shaft (5) is installed with driven sprocket (6), and driving sprocket (4) and driven sprocket (6) are connected by chain transmission between, one end of the rotating shaft (5) is fixed with first crank rod (8), one end of the first crank rod (8) is articulated with swing bar (9), and the end of swing bar (9) away from rotating shaft (5) is articulated with the middle part of seeding arm (2), one end of the seeding arm (2) is installed with duckbill seeding assembly (10), the other end of the seeding arm (2) is rotatably connected with driving rod (11), the output shaft of the motor (3) is fixed with second crank rod (12), the second crank rod (12) is equipped with waist-shaped hole (13), and the driving rod (11) is installed in waist-shaped hole (13).

2. A seeding arm swing mechanism for a seeding unit according to claim 1 wherein: The middle part of the seeding arm (2) is symmetrically fixed with an ear plate (14), and the swing bar (9) is hinged to the ear plate (14).

3. A seeding arm swing mechanism for a seeding unit according to claim 1 wherein: The driving rod (11) includes a rotating portion (15) connected to the seeding arm (2), a connecting portion (16) provided at one end of the rotating portion (15), and a threaded portion (17) provided at one end of the connecting portion (16). The diameter of the rotating portion (15) is greater than the width of the waist-shaped hole (13). The connecting portion (16) is provided with an anti-rotation flat portion (18) in contact with the side wall of the waist-shaped hole (13). The threaded portion (17) is provided with a nut (19).

4. A seeding arm swing mechanism for a seeding unit according to claim 1 wherein: The end of the output shaft of the motor (3) and the end of the rotating shaft (5) are provided with anti-rotation tooth grooves (20). The driving sprocket (4), the driven sprocket (6), the first crank rod (8), and the second crank rod (12) are provided with matching holes (21) matched with the anti-rotation tooth grooves (20).

5. A seeding arm swing mechanism for a seeding unit according to claim 1 wherein: The output shaft of the motor (3) is provided with a first snap spring (22) for limiting the position of the second crank rod (12) and the driving sprocket (4). The rotating shaft (5) is provided with a second snap spring (7) for limiting the position of the first crank rod (8) and the driven sprocket (6).

Images