Seedling raising device for tobacco planting

By using a worm gear and worm wheel to drive the lead screw to move the block and the base plate, the problem of damage to seedling roots during transplanting of tobacco seedling raising devices is solved. This achieves the effect of removing tobacco seedlings and potting soil without damage, thus improving the transplant survival rate.

CN223652809UActive Publication Date: 2025-12-12GUIZHOU TOBACCO CO ZUNYI CITY CO SUIYANG BRANCH
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Patent Information

Application Number
CN202520062809.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2025-12-12
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

Existing tobacco seedling raising devices are prone to damaging the roots of tobacco seedlings during transplanting, leading to decreased growth and reduced survival rate.

Method used

The worm gear and worm wheel work together to drive the lead screw to rotate. The lead screw drives the moving block to move upward, and the moving block drives the connecting rod and the base plate to move upward. The base plate separates the potting soil and tobacco seedlings together from the rectangular through hole, avoiding damage to the seedlings when they are removed directly.

Benefits of technology

It enables the rapid and non-damaging removal of tobacco seedlings and potting soil, thus improving the transplant survival rate.

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Abstract

The utility model discloses a seedling raising device for tobacco planting, which relates to the technical field of seedling raising devices and comprises a base, two symmetrical supporting columns are arranged at the upper end of the base, a plurality of uniformly distributed seedling raising trays are arranged between the two supporting columns, and a plurality of uniformly distributed U-shaped frames are arranged at the upper ends of the seedling raising trays. A plurality of uniformly distributed moving blocks are arranged in the U-shaped frame, symmetrical connecting rods are arranged on the two sides of the lower end of each moving block, rectangular through holes are formed in the lower portions of the connecting rods, a bottom plate is movably arranged in the rectangular through holes, the lower ends of the connecting rods are fixedly arranged on one side of the upper end of the bottom plate, and lead screws are arranged at the upper ends of the moving blocks; a worm gear is arranged at the upper end part of the screw rod; a matched worm is arranged on the side surface of the worm gear; the worm and the worm gear are matched with each other to drive the lead screw to rotate, so that the bottom plate moves upwards, culture soil and tobacco seedlings are separated from the rectangular through holes together, the tobacco seedlings are prevented from being damaged, and the transplanting survival rate is increased.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a seedling raising device technical field, concretely is a seedling raising device for tobacco planting. BACKGROUND

[0002] Tobacco is a kind of solanaceae nicotiana annual herb, is our important economic crops, and its planting area and annual output are in the world first, tobacco planting process needs to use seedling raising device to cultivate tobacco seedling, so that subsequent large-area transplanting has higher survival rate.

[0003] The existing tobacco seedling raising device directly takes out tobacco seedling in culture dish when transplanting, and if force is too strong, tobacco seedling can be pulled off or culture soil can be broken, which can easily damage the root of tobacco seedling, cause the growth state of tobacco seedling to decline and reduce survival rate.

[0004] In view of the above problem, the utility model provides a seedling raising device for tobacco planting. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of seedling raising devices for tobacco planting, the rotation of screw rod is driven by the mutual cooperation of worm and worm wheel, the rotation of screw rod drives moving block to move upwards, moving block moves upwards and drives connecting rod to move upwards, connecting rod moves upwards and drives bottom plate to move upwards, bottom plate moves upwards and culture soil is separated from rectangular through-hole together with tobacco seedling, since culture soil has been separated from the inner wall of rectangular through-hole, staff can quickly take out each tobacco seedling together with culture soil from rectangular through-hole, and culture soil and tobacco seedling are not damaged, simultaneously culture soil and tobacco seedling are transplanted together, and the mode of improving transplanting survival rate is favorable, to solve the problem in background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of seedling raising device for tobacco planting, including base, the upper end of base is provided with two mutually symmetrical support columns, a plurality of evenly distributed seedling raising trays are arranged between the two support columns, the upper end of seedling raising tray is provided with a plurality of evenly distributed U-shaped frames, the inside of U-shaped frame is provided with a plurality of evenly distributed moving blocks, the lower end of moving block is provided with the connecting rod that is mutually symmetrical on both sides, rectangular through-hole is opened in the lower of connecting rod, bottom plate is movably arranged in the inside of rectangular through-hole, the lower end of connecting rod is fixedly arranged on the upper end of one side of bottom plate, the upper end of moving block is provided with screw rod, the upper end of screw rod is provided with worm wheel, the side of worm wheel is provided with matched worm.

[0007] Further, the rectangular through hole is arranged on the upper end surface of the seedling tray, a sliding groove is arranged on the inner wall of the U-shaped frame close to the rectangular through hole, the connecting rod is slidingly connected to the inner wall of the sliding groove, the lower end of the side surface of the connecting rod is fixedly connected to the side surface of the bottom plate, the bottom plate is movably connected to the inner wall of the rectangular through hole, the upper end of the connecting rod is fixedly connected to one side of the lower end surface of the moving block, the screw rod passes through the upper end of the moving block and is internally threadedly connected to the moving block, the upper end of the screw rod is rotatably connected to the inner top surface of the U-shaped frame through a bearing, and the lower end of the screw rod is rotatably connected to the upper end surface of the seedling tray through a bearing.

[0008] Further, the upper end of the screw rod extends upwards above the U-shaped frame and is fixedly installed with a worm wheel, the worm wheel is meshingly connected with a worm, the worm is fixedly installed on a rotating shaft, the upper ends of the two sides of the U-shaped frame are fixedly connected with two mutually symmetrical mounting plates, the two ends of the rotating shaft are rotatably connected to the side surfaces of the mounting plates through bearings, and the one end of the rotating shaft extends outward to the outer side of the mounting plate and is fixedly connected with a hand wheel.

[0009] Further, the two sides of the seedling tray are fixedly connected with two mutually symmetrical connecting blocks, the supporting column penetrates through the connecting blocks and is slidingly connected to the inside of the connecting blocks, the lower end of the supporting column is fixedly connected to the upper end surface of the base, a plurality of evenly distributed positioning holes are arranged on the side surface of the supporting column, the side surface of the connecting block is provided with a circular through hole matched with the positioning hole, a bolt is inserted into the inside of the circular through hole, and the one end of the bolt extends outward and is inserted into the positioning hole.

[0010] Further, the upper end of the mounting plate is fixedly connected with a supporting rod in the middle, and the upper end of the supporting rod is fixedly connected with a V-shaped baffle.

[0011] Further, a plurality of evenly distributed drainage holes are arranged on the upper end surface of the bottom plate.

[0012] Further, universal wheels are fixedly installed at the four corners of the lower end surface of the base.

[0013] Compared with the prior art, the device has the following beneficial effects:

[0014] The device is used for tobacco planting, a plurality of seedling trays are fixed on the supporting column through the bolt, the culture soil and tobacco seeds are put into the rectangular through hole, when the tobacco seedlings in the rectangular through hole are cultivated and need to be transplanted, the worm is driven to rotate by rotating the hand wheel, the worm drives the worm wheel to rotate, the worm wheel drives the screw rod to rotate, the screw rod drives the moving block to move upwards, the moving block drives the connecting rod to move upwards, the connecting rod drives the bottom plate to move upwards, the bottom plate moves upwards to separate the culture soil and tobacco seedlings from the rectangular through hole, the culture soil is separated from the inner wall of the rectangular through hole, the culture soil and tobacco seedlings can be quickly taken out from the rectangular through hole, and the culture soil and tobacco seedlings are not damaged, and the culture soil and tobacco seedlings are transplanted together, so that the survival rate of the transplanted seedlings is improved. Attached Figure Description

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

[0016] Figure 2 This is a schematic diagram of the positioning hole in this utility model;

[0017] Figure 3 This is a schematic diagram of the slide groove in this utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the bottom plate in this utility model;

[0019] Figure 5 This is a schematic diagram of the V-shaped baffle in this utility model.

[0020] In the diagram: 1. Base; 2. Support column; 3. Seedling tray; 4. Connecting block; 5. Positioning hole; 6. Circular through hole; 7. Pin; 8. U-shaped frame; 9. Moving block; 10. Rectangular through hole; 11. Base plate; 12. Drainage hole; 13. Connecting rod; 14. Slide groove; 15. Lead screw; 16. Worm gear; 17. Worm; 18. Rotating shaft; 19. Mounting plate; 20. Handwheel; 21. Support rod; 22. V-shaped baffle; 23. Caster wheel. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] To address the technical problem that existing tobacco seedling raising devices often break tobacco seedlings or damage the potting soil during transplanting due to excessive force, easily harming the roots of tobacco seedlings and leading to decreased growth and survival rates, such as... Figures 1-5 As shown, the following preferred technical solutions are provided:

[0023] The utility model provides a kind of tobacco cultivation seedling device, including base 1, the upper end of base 1 is provided with two mutually symmetrical support columns 2, several evenly distributed seedling trays 3 are provided between two support columns 2, the upper end of seedling tray 3 is provided with several evenly distributed U-shaped frame 8, the inside of U-shaped frame 8 is provided with several evenly distributed moving block 9, the lower end both sides of moving block 9 are provided with mutually symmetrical connecting rod 13, rectangular through-hole 10 is opened in the lower side of connecting rod 13, the inside of rectangular through-hole 10 is movably provided with bottom plate 11, the lower end of connecting rod 13 is fixedly arranged on the upper end side of bottom plate 11, the upper end of moving block 9 is provided with screw rod 15, the upper end of screw rod 15 is provided with worm wheel 16, the side of worm wheel 16 is provided with matching worm 17.

[0024] Specifically, first, a plurality of seedling trays 3 are fixed on the support columns 2, then culture soil and tobacco seeds are placed inside the rectangular through-hole 10, when the tobacco seedling cultivation in the rectangular through-hole 10 is completed and transplanting is needed, first manually rotate the worm 17, the worm 17 rotates to drive the worm wheel 16 to rotate, the worm wheel 16 rotates to drive the screw rod 15 to rotate, the screw rod 15 rotates to drive the moving block 9 to move upwards, the moving block 9 moves upwards to drive the connecting rod 13 to move upwards, the connecting rod 13 moves upwards to drive the bottom plate 11 to move upwards, the bottom plate 11 moves upwards to separate the culture soil together with the tobacco seedling from the rectangular through-hole 10, since the culture soil has been separated from the inner wall of the rectangular through-hole 10, the staff can quickly take out each tobacco seedling together with the culture soil from the rectangular through-hole 10 without damaging the culture soil and the tobacco seedling, and the culture soil and the tobacco seedling are transplanted together, which is conducive to improving the transplanting survival rate, the purpose of this design is to drive the rotation of the screw rod 15 through the cooperation of the worm 17 and the worm wheel 16, the rotation of the screw rod 15 drives the moving block 9 to move upwards, the moving block 9 moves upwards to drive the connecting rod 13 to move upwards, the connecting rod 13 moves upwards to drive the bottom plate 11 to move upwards, the bottom plate 11 moves upwards to separate the culture soil together with the tobacco seedling from the rectangular through-hole 10, since the culture soil has been separated from the inner wall of the rectangular through-hole 10, the staff can quickly take out each tobacco seedling together with the culture soil from the rectangular through-hole 10 without damaging the culture soil and the tobacco seedling, and the culture soil and the tobacco seedling are transplanted together, which is conducive to improving the transplanting survival rate.

[0025] Further, as shown in Figure 3 and Figure 4 , the following preferred technical solutions are provided:

[0026] The rectangular through hole 10 is arranged on the upper end surface of the seedling tray 3, the rectangular through hole 10 is arranged with a sliding groove 14 close to the inner wall of the U-shaped frame 8, the connecting rod 13 is slidingly connected to the inner wall of the sliding groove 14, the side surface lower end of the connecting rod 13 is fixedly connected to the side surface of the bottom plate 11, the bottom plate 11 is movably connected to the inner wall of the rectangular through hole 10, the upper end of the connecting rod 13 is fixedly connected to one side of the lower end surface of the moving block 9, the lead screw 15 penetrates through the upper end of the moving block 9 and is internally screwed, the upper end of the lead screw 15 is rotatably connected to the inner top surface of the U-shaped frame 8 through a bearing, and the lower end of the lead screw 15 is rotatably connected to the upper end surface of the seedling tray 3 through a bearing. The purpose of this design is that the moving block 9 can be moved upwards by the rotation of the lead screw 15, the moving block 9 can drive the connecting rod 13 to move upwards, and the connecting rod 13 can drive the bottom plate 11 to move upwards, so that the culture soil together with the tobacco seedlings is separated from the rectangular through hole 10, thereby avoiding damage to the culture soil and the tobacco seedlings.

[0027] Further, as shown in Figure 4 , the following preferred technical solutions are provided:

[0028] The upper end of the lead screw 15 extends upwards above the U-shaped frame 8 and is fixedly installed with a worm wheel 16, the worm wheel 16 is engaged with a worm 17, the worm 17 is fixedly installed on a rotating shaft 18, and the upper ends of the U-shaped frame 8 are fixedly connected with mutually symmetrical mounting plates 19. The two ends of the rotating shaft 18 are rotatably connected to the side surfaces of the mounting plates 19 through bearings, and the one end of the rotating shaft 18 extends outward to the outside of the mounting plate 19 and is fixedly connected with a hand wheel 20. The purpose of this design is that the rotating shaft 18 is rotated by the rotation of the hand wheel 20, the worm 17 is rotated by the rotation of the rotating shaft 18, and the worm wheel 16 is rotated by the rotation of the worm 17, thereby realizing the rotation of the lead screw 15.

[0029] Further, as shown in Figure 1 , Figure 2 and Figure 3 , the following preferred technical solutions are provided:

[0030] The two sides of the seedling tray 3 are fixedly connected with mutually symmetrical connecting blocks 4, the support column 2 penetrates through the connecting blocks 4 and is slidingly connected to the inside thereof, the lower end of the support column 2 is fixedly connected to the upper end surface of the base 1, the side surface of the support column 2 is arranged with a plurality of evenly distributed positioning holes 5, the side surface of the connecting block 4 is arranged with a circular through hole 6 matched with the positioning hole 5, a latch 7 is inserted into the inside of the circular through hole 6, and the one end of the latch 7 extends outward to be inserted into the positioning hole 5. The purpose of this design is that the connecting block 4 can slide on the support column 2, so the distance between the two seedling trays 3 can be adjusted, and the latch 7 is inserted into the inside of the positioning hole 5, thereby fixing the position of the seedling tray 3.

[0031] Further, as shown in Figure 4 and Figure 5As shown in the preferred technical solutions are provided as follows:

[0032] The upper end of the mounting plate 19 is fixedly connected with a support rod 21, and the upper end of the support rod 21 is fixedly connected with a V-shaped baffle 22. The purpose of this design is to protect the parts below through the V-shaped baffle 22 to avoid damage.

[0033] Further, as shown in the preferred technical solutions are provided as follows: Figure 4

[0034] The upper end surface of the bottom plate 11 is provided with a plurality of uniformly distributed drainage holes 12. The purpose of this design is that the excess moisture in the culture soil can flow out through the drainage holes 12, so as to keep the culture soil humidity moderate and avoid the tobacco seedling roots from rotting due to excessive moisture.

[0035] Further, as shown in the preferred technical solutions are provided as follows: Figure 1

[0036] The lower end surface of the base 1 is fixedly installed with universal wheels 23 at the four corners. The purpose of this design is to facilitate the movement of the whole seedling raising device through the universal wheels 23.

[0037] In summary: first, a plurality of seedling raising plates 3 are fixed on the support column 2 through the bolt 7, and then the culture soil and tobacco seeds are placed in the rectangular through hole 10. When the tobacco seedlings in the rectangular through hole 10 are cultivated and need to be transplanted, the hand wheel 20 is first manually rotated to drive the worm 17 to rotate, the worm 17 drives the worm wheel 16 to rotate, the worm wheel 16 drives the lead screw 15 to rotate, the lead screw 15 drives the moving block 9 to move upward, the moving block 9 drives the connecting rod 13 to move upward, the connecting rod 13 drives the bottom plate 11 to move upward, and the bottom plate 11 moves upward to separate the culture soil together with the tobacco seedlings from the rectangular through hole 10. Since the culture soil has been separated from the inner wall of the rectangular through hole 10, the staff can quickly take out each tobacco seedling together with the culture soil from the rectangular through hole 10 without damaging the culture soil and the tobacco seedlings. At the same time, the culture soil and the tobacco seedlings are transplanted together, which is conducive to improving the survival rate of transplantation.

[0038] It should be noted that in this text, relationship terms such as first and second are only used to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0039] ​​Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A seedling raising device for tobacco cultivation, comprising a base (1), characterized in that: The upper end of the base (1) is provided with two mutually symmetrical support columns (2), and a number of evenly distributed seedling trays (3) are provided between the two support columns (2). The upper end of the seedling trays (3) is provided with a number of evenly distributed U-shaped frames (8). The interior of the U-shaped frames (8) is provided with a number of evenly distributed moving blocks (9). The lower ends of the moving blocks (9) are provided with mutually symmetrical connecting rods (13). A rectangular through hole (10) is opened below the connecting rod (13). A base plate (11) is movably provided inside the rectangular through hole (10). The lower end of the connecting rod (13) is fixedly provided on one side of the upper end of the base plate (11). The upper end of the moving block (9) is provided with a lead screw (15). The upper end of the lead screw (15) is provided with a worm gear (16). The side of the worm gear (16) is provided with a matching worm (17).

2. The seedling raising device for tobacco planting according to claim 1, characterized in that: The rectangular through hole (10) is opened on the upper end face of the seedling tray (3). The rectangular through hole (10) is provided with a groove (14) near the inner wall of the U-shaped frame (8). The connecting rod (13) is slidably connected to the inner wall of the groove (14). The lower side of the connecting rod (13) is fixedly connected to the side of the base plate (11). The base plate (11) is movably connected to the inner wall of the rectangular through hole (10). The upper end of the connecting rod (13) is fixedly connected to the lower end face of the moving block (9). The screw rod (15) passes through the upper end of the moving block (9) and is threadedly connected to its interior. The upper end of the screw rod (15) is rotatably connected to the inner top surface of the U-shaped frame (8) through a bearing. The lower end of the screw rod (15) is rotatably connected to the upper end face of the seedling tray (3) through a bearing.

3. The seedling raising device for tobacco planting according to claim 1, characterized in that: The upper end of the lead screw (15) extends upward above the U-shaped frame (8) and is fixedly installed with a worm gear (16). The worm gear (16) is meshed with a worm (17). The worm (17) is fixedly installed on the rotating shaft (18). The upper ends of the U-shaped frame (8) are fixedly connected with mutually symmetrical mounting plates (19). The two ends of the rotating shaft (18) are rotatably connected to the side of the mounting plate (19) through bearings. One end of the rotating shaft (18) extends outward to the outside of the mounting plate (19) and is fixedly connected with a handwheel (20).

4. The seedling raising device for tobacco planting according to claim 1, characterized in that: The seedling tray (3) is fixedly connected to two symmetrical connecting blocks (4). The support column (2) passes through the connecting block (4) and is slidably connected to its interior. The lower end of the support column (2) is fixedly connected to the upper end face of the base (1). The side of the support column (2) is provided with several evenly distributed positioning holes (5). The side of the connecting block (4) is provided with a circular through hole (6) that matches the positioning hole (5). A pin (7) is inserted into the inside of the circular through hole (6). One end of the pin (7) extends outward and can be inserted into the positioning hole (5).

5. A seedling raising device for tobacco planting according to claim 3, characterized in that: A support rod (21) is fixedly connected to the upper middle part of the mounting plate (19), and a V-shaped baffle (22) is fixedly connected to the upper end of the support rod (21).

6. The seedling raising device for tobacco planting according to claim 1, characterized in that: The upper surface of the base plate (11) is provided with a number of evenly distributed drainage holes (12).

7. A seedling raising device for tobacco planting according to claim 1, characterized in that: Universal wheels (23) are fixedly installed at the four corners of the lower end face of the base (1).