Seedling thinning machine with adjustable cutting range

By designing an adjustable gear system and worm gear structure in the seedling machine, the problem of fixing the cutting range of the tool in the existing seedling machine is solved, and flexible adjustment of seedling spacing and flexibility in cutting range are achieved.

CN222814822UActive Publication Date: 2025-05-02YILAN COUNTY HONGLI SEED IND CO LTD
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Patent Information

Application Number
CN202421674893.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-15
Publication Date
2025-05-02
Estimated Expiration
2034-07-15

AI Technical Summary

Technical Problem

The cutting range of the tool in the existing seedling machine is fixed and cannot be adjusted, resulting in the unrestrained spacing of the seedlings that cannot be adjusted according to actual conditions and lack flexibility.

Method used

A seedling machine including a seedling tube, a motor, a rotating rod, a rotating disk, a driving gear, a driven gear, a worm gear and a worm, is designed to adjust the meshing relationship between the worm gear and the worm gear through a knob, drive the gear system to rotate, change the distance between the tool and the inner wall of the seedling tube, and adjust the cutting range.

Benefits of technology

It realizes flexible adjustment of seedling spacing, adapts to different actual situations, and uses the self-locking nature of the worm gear and worm to ensure that the tool position is not easy to change after adjustment.

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Abstract

A seedling thinning machine with an adjustable cutting range comprises a seedling thinning cylinder, a motor is installed at the center of the inner wall of the upper side of the seedling thinning cylinder, a rotating rod is fixedly connected to the output shaft end of the motor, a rotating disc is fixedly connected to the lower end of the rotating rod, an annular groove is formed in the rotating disc, and four rotating shafts are annularly arranged on the lower side wall of the annular groove; the upper end of the rotating shaft penetrates through the annular groove, extends to the position above the rotating disc and is fixedly connected with a driven gear, and the rotating shaft is fixedly sleeved with a cutter. Compared with the prior art, the seedling thinning device has the advantages that by arranging the knob, the worm gear, the worm, the driving gear, the driven gear and the rotating shaft, when the rotating shaft rotates, the cutter can be driven to rotate together, and when the cutter rotates, the distance between the cutter and the inner wall of the seedling thinning cylinder can be changed, so that the cutting range can be changed; the distance between seedlings can be adjusted according to the actual situation, more flexibility is achieved, and by means of the self-locking performance of the worm gear and the worm, after the cutting range is adjusted, the position of the cutter is not prone to being changed.
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Description

Technical Field

[0001] The utility model relates to the technical field of seedling cultivation, in particular to a seedling thinning machine with adjustable cutting range. Background Art

[0002] When sowing, people usually spread seeds over a large area, so when the seedlings grow out, they will be crowded, which is not conducive to their growth. Therefore, in order to solve this problem, a seedling thinner is needed.

[0003] After searching, a Chinese patent with publication number CN105340392A was found, which discloses a seedling thinning machine, including a seedling thinning tube transmission shaft, a seedling thinning tube and a cutter. An outer seedling thinning tube is arranged on the outer ring of the cutter along the diameter of the seedling thinning tube.

[0004] The above-mentioned prior art solutions have the following deficiencies: the cutting range of the cutter is fixed and cannot be adjusted, resulting in that the spacing between the seedlings cannot be adjusted according to actual conditions and is not flexible enough. Utility Model Content

[0005] In view of the above-mentioned deficiencies in the prior art, the utility model provides a seedling thinning machine with an adjustable cutting range to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above-mentioned utility model purpose, the technical solution adopted by the utility model is a seedling thinning machine with an adjustable cutting range, including a seedling thinning cylinder, a motor is installed at the center of the upper inner wall of the seedling thinning cylinder, the output shaft end of the motor is fixedly connected to a rotating rod, the lower end of the rotating rod is fixedly connected to a rotating disk, an annular groove is opened on the rotating disk, four rotating shafts are arranged on the lower side wall of the annular groove, the upper end of the rotating shaft passes through the annular groove and extends to the top of the rotating disk and is fixedly connected to a driven gear, a tool is fixedly sleeved on the rotating shaft, a driving gear is rotatably arranged on the upper side wall of the rotating disk, and the driven gear is meshed with the driving gear.

[0007] As an improvement: a worm wheel is fixedly connected to the upper side wall of the driving gear, a worm is rotatably provided between the inner walls on both sides of the seedling thinning tube, the worm is meshed with the worm wheel, one end of the worm passes through the seedling thinning tube and extends to the outside thereof and is fixedly connected to a knob.

[0008] As an improvement: a battery compartment is provided on the upper outer wall of the seedling thinning tube, a battery is provided in the battery compartment, and the motor is electrically connected to the battery.

[0009] As an improvement: a plurality of ground plugs are arranged on the bottom wall of the seedling thinning tube.

[0010] As an improvement: a T-shaped handle is fixedly connected to the center of the upper outer wall of the seedling thinning tube.

[0011] As an improvement: the seedling thinning tube is made of transparent material.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. Through the set knob, worm wheel, worm, driving gear, driven gear and rotating shaft, when the rotating shaft rotates, the tool can be driven to rotate together. When the tool rotates, the distance between it and the inner wall of the seedling thinning tube can be changed, thereby changing the cutting range. The distance between the seedlings can be adjusted according to the actual situation, which is more flexible. By utilizing the self-locking property of the worm wheel, the tool is not easy to change position after the cutting range is adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a seedling thinning machine with an adjustable cutting range according to the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of a seedling thinning cylinder of a seedling thinning machine with an adjustable cutting range according to the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of a rotating disk of a seedling thinning machine with an adjustable cutting range according to the utility model;

[0017] As shown in the figure:

[0018] 1. Thinning tube; 1.1. Motor; 1.2. Rotating rod; 1.3. Rotating disk; 1.4. Annular groove; 1.5. Rotating shaft; 1.6. Driven gear; 1.7. Cutter; 1.8. Driving gear; 2. Worm gear; 2.1. Worm; 2.2. Knob; 3. Battery compartment; 1.9. Ground plug; 1.10. T-shaped handle. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features and purpose effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both sides", "one side", "the other side" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] like Figures 1 to 3 As shown, a seedling thinning machine with adjustable cutting range includes a seedling thinning tube 1, a motor 1.1 is installed at the center of the upper inner wall of the seedling thinning tube 1, the output shaft end of the motor 1.1 is fixedly connected to a rotating rod 1.2, and the lower end of the rotating rod 1.2 is fixedly connected to a rotating disk 1.3. When cutting, the output shaft of the motor 1.1 drives the rotating rod 1.2 to rotate, and the rotation of the rotating rod 1.2 can make the rotating disk 1.3 drive the cutter 1.7 to rotate to cut the seedlings and weeds. An annular groove 1.4 is opened on the rotating disk 1.3, and four rotating shafts 1.5 are arranged on the lower side wall of the annular groove 1.4. The upper end of the rotating shaft 1.5 passes through the annular groove 1.4. It extends to the top of the rotating disk 1.3 and is fixedly connected with a driven gear 1.6. A tool 1.7 is fixedly sleeved on the rotating shaft 1.5. A driving gear 1.8 is rotatably provided on the upper side wall of the rotating disk 1.3. The driven gear 1.6 is meshed with the driving gear 1.8. Under the drive of the worm gear 2, the driving gear 1.8 rotates, which will cause the driven gear 1.6 to drive the rotating shaft 1.5 to rotate. The rotation of the rotating shaft 1.5 drives the tool 1.7 to rotate. When the tool 1.7 rotates, the distance between it and the inner wall of the seedling thinning tube 1 can be changed, thereby changing the cutting range, so that the distance between the seedlings can be adjusted according to actual conditions, which is more flexible.

[0023] Specifically, Figure 2 As shown, a seedling thinning machine with an adjustable cutting range is provided. A worm wheel 2 is fixedly connected to the upper side wall of the driving gear 1.8. A worm 2.1 is rotatably provided between the inner walls of both sides of the seedling thinning tube 1. The worm 2.1 is meshed with the worm wheel 2. One end of the worm 2.1 passes through the seedling thinning tube 1 and extends to the outside thereof and is fixedly connected with a knob 2.2. Rotating the knob 2.2 can drive the worm 2.1 to rotate. When the worm 2.1 rotates, the worm wheel 2 can drive the driving gear 1.8 to rotate. The self-locking property of the worm wheel and worm is utilized to ensure that the position of the tool is not easily changed after the cutting range is adjusted.

[0024] Specifically, Figure 1 As shown, a seedling thinning machine with an adjustable cutting range is provided with a battery compartment 3 on the upper outer wall of a seedling thinning tube 1, a battery is provided in the battery compartment 3, a motor 1.1 is electrically connected to the battery, and the battery can supply power to the motor 1.1.

[0025] Specifically, Figure 1 As shown, a seedling thinning machine with an adjustable cutting range is provided with a plurality of ground plugs 1.9 arranged on the bottom wall of a seedling thinning tube 1. The ground plugs 1.9 can be inserted into the ground to fix the seedling thinning tube 1.

[0026] Specifically, Figure 1 As shown, a seedling thinning machine with an adjustable cutting range is provided, wherein a T-shaped handle 1.10 is fixedly connected to the center of the upper outer wall of a seedling thinning tube 1, so that the seedling thinning tube 1 is convenient to carry.

[0027] Specifically, Figure 1 As shown, a seedling thinning machine with an adjustable cutting range, wherein the seedling thinning tube 1 is made of a transparent material, so that the interior of the seedling thinning tube 1 is convenient to observe.

[0028] When the utility model is implemented specifically, rotating the knob 2.2 can drive the worm 2.1 to rotate. When the worm 2.1 rotates, the worm wheel 2 can drive the driving gear 1.8 to rotate. The driving gear 1.8 rotates, which makes the driven gear 1.6 drive the rotating shaft 1.5 to rotate. The rotating shaft 1.5 drives the cutter 1.7 to rotate. When the cutter 1.7 rotates, the distance between it and the inner wall of the seedling thinning tube 1 can be changed, thereby changing the cutting range, so that the distance between the seedlings can be adjusted according to the actual situation, which is more flexible. The seedling thinning tube 1 is covered on the seedlings and weeds that need to be eradicated, and the output shaft of the motor 1.1 drives the rotating rod 1.2 to rotate. The rotating rod 1.2 can make the rotating disk 1.3 drive the cutter 1.7 to rotate, so as to cut the seedlings and weeds.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A seedling thinning machine with an adjustable cutting range, comprising a seedling thinning cylinder (1), characterized in that: A motor (1.1) is installed at the center of the upper inner wall of the seedling thinning tube (1); a rotating rod (1.2) is fixedly connected to the output shaft end of the motor (1.1); a rotating disk (1.3) is fixedly connected to the lower end of the rotating rod (1.2); an annular groove (1.4) is provided on the rotating disk (1.3); four rotating shafts (1.5) are arranged on the lower side wall of the annular groove (1.4); the upper end of the rotating shaft (1.5) passes through the annular groove (1.4) and extends to the top of the rotating disk (1.3) and is fixedly connected to a driven gear (1.6); a cutter (1.7) is fixedly sleeved on the rotating shaft (1.5); a driving gear (1.8) is rotatably provided on the upper side wall of the rotating disk (1.3); the driven gear (1.6) is meshed with the driving gear (1.8).

2. A seedling thinning machine with adjustable cutting range according to claim 1, characterized in that: A worm wheel (2) is fixedly connected to the upper side wall of the driving gear (1.8); a worm (2.1) is rotatably provided between the inner walls of both sides of the seedling thinning tube (1); the worm (2.1) is meshed with the worm wheel (2); one end of the worm (2.1) passes through the seedling thinning tube (1) and extends to the outside thereof and is fixedly connected to a knob (2.2).

3. The seedling thinning machine with adjustable cutting range according to claim 1, characterized in that: A battery compartment (3) is provided on the upper outer wall of the seedling thinning tube (1), a storage battery is provided in the battery compartment (3), and the motor (1.1) is electrically connected to the storage battery.

4. The seedling thinning machine with adjustable cutting range according to claim 1, characterized in that: A plurality of ground plugs (1.9) are arranged in a ring on the bottom wall of the seedling thinning tube (1).

5. The seedling thinning machine with adjustable cutting range according to claim 1, characterized in that: A T-shaped handle (1.10) is fixedly connected to the center of the upper outer wall of the seedling thinning tube (1).

6. The seedling thinning machine with adjustable cutting range according to claim 1, characterized in that: The seedling thinning tube (1) is made of a transparent material.