Spacing adjustable anti-blocking seeder
Patent Information
- Application Number
- CN202620096648.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-23
- Publication Date
- 2026-11-03
- Estimated Expiration
- 2036-01-23
AI Technical Summary
Existing seeders have fixed sowing spacing, making it difficult to adapt to the planting density requirements of different crops, and the seeds are prone to clogging, leading to sowing interruptions or missed sowing.
An adjustable spacing seeding assembly was designed, which adjusts the seeding spacing through the limiting structure of the adjusting plate and guide rod, and is equipped with an anti-clogging component that uses the vibration of the tapping plate to clear the seed box outlet.
It enables flexible adjustment of the sowing spacing, prevents seed clogging, ensures continuous and uniform sowing, and improves the versatility and sowing efficiency of the equipment.
Smart Images

Figure CN224924244U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of seeder technology, specifically to an adjustable spacing anti-clogging seeder. Background Technology
[0002] In agricultural sowing operations, seeders are the core equipment for improving planting efficiency and ensuring sowing quality, and are widely used in large-scale planting scenarios for various crops.
[0003] However, existing seeders generally suffer from two major problems: First, the sowing spacing is mostly fixed, and the installation position of the sowing components cannot be flexibly adjusted. This means that a single machine can only adapt to the planting spacing requirements of a single crop, making it difficult to meet the differentiated planting density needs of different crops (such as corn, wheat, and vegetables). This results in poor versatility and increases farmers' equipment investment costs. Second, seeds are prone to blockage at the discharge port of the seed hopper due to moisture, clumping, or poor flow in the seed box, leading to sowing interruptions or missed sowing. This not only affects sowing efficiency but also causes uneven crop emergence, which in turn affects the final yield and profit. Utility Model Content
[0004] The purpose of this invention is to provide an adjustable spacing anti-clogging seeder to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] An adjustable-spacing anti-clogging seeder includes:
[0007] The vehicle frame is provided with, from front to back, a forward wheel, a drive assembly, an anti-blocking assembly, a seeding assembly, and a handle.
[0008] The sowing assembly includes an adjusting plate II, an adjusting plate III, a fixed plate II, a seed box, a seed hopper, an adjusting shell, and a feeding wheel. The seed hopper is fixedly welded below the seed box, and the adjusting shell is fixedly installed below the seed hopper. The feeding wheel is rotatably installed inside the adjusting shell. The feeding wheels of multiple sowing assemblies are coaxially arranged and rotate synchronously. The adjusting plate II and adjusting plate III are fixedly connected to the frame by bolts and nuts, and both adjusting plate II and adjusting plate III have strip-shaped adjusting grooves II. The front and rear ends of the adjusting shell are detachably connected to the adjusting grooves II of the adjusting plate II and adjusting plate III respectively through the fixed plate II and bolts and nuts. Loosening the bolts and nuts can drive multiple sowing assemblies to move left and right on the frame along the adjusting grooves II. Tightening the bolts and nuts can fix the sowing assemblies and thus adjust the sowing spacing.
[0009] The drive assembly is connected by multiple transmission components, which respectively drive the forward wheel to rotate and the feeding wheel of the seeding assembly to rotate synchronously on the same axis.
[0010] The anti-blocking component includes a striking plate. By driving the striking plate to reciprocate, it strikes the outer wall of the seed box at equal intervals, and uses the vibration to clear the discharge port of the seed hopper, thereby achieving the anti-blocking function.
[0011] Preferably, the anti-clogging component further includes a support frame, with a support plate fixedly connected to the top of the support frame. The support plate is raised by the support frame. A drive motor II is mounted below the support plate via a bracket. The output end of the drive motor II passes through the support plate and is fixedly connected to a crank rotatably mounted on the upper surface of the support plate, thereby driving the crank to rotate. The rear end face of the striking plate is hinged to one end of a connecting rod, and the other end of the connecting rod is hinged to the end of the crank away from the shaft. A guide rod II is also fixedly connected to the rear end face of the striking plate. A guide plate is fixedly welded to the upper surface of the support plate. The guide rod II slides through the guide plate and is in clearance fit with the guide plate to guide the reciprocating motion of the striking plate. The drive motor II drives the crank to rotate, and the connecting rod drives the striking plate to reciprocate along the direction of the guide rod II, continuously striking the outer wall of the seed box. A rubber pad is installed on the side of the striking plate facing the seed box.
[0012] Preferably, the sowing assembly further includes an adjusting plate I, which is raised to a height flush with the upper surface of the seed box by a bracket. The adjusting plate I has a strip-shaped adjusting groove I. A fixing plate I is welded to the top of the rear end face of the seed box. The fixing plate I extends horizontally above the adjusting groove I and is detachably fixed to the adjusting plate I by bolts and nuts. A guide rod I is welded to the lower end face of the adjusting plate I by a bracket. Two spaced movable plates are fixedly welded to the middle of the rear end face of the seed box. The movable plates have through holes. The guide rod I slides through the through holes and fits with the movable plates with a gap, providing guidance when the sowing assembly is adjusted. Through the cooperation of adjusting plate I with adjusting plate II and adjusting plate III, the seed box at the top and the adjusting shell at the bottom of the sowing assembly are fixed and limited, respectively, to ensure the stability of the sowing assembly during adjustment.
[0013] Preferably, the feeding wheel is mounted on the drive shaft II via a key, and the drive shaft II is rotatably mounted on the frame via a bearing seat. The drive shaft II has an axially extending long keyway, and the keyway has a concave structure. The inner wall of the center hole of the feeding wheel has a corresponding keyway adapted to the concave keyway. The concave keyway is embedded in the keyway of the feeding wheel to achieve torque transmission, and the concave keyway can slide left and right along the long keyway of the drive shaft II, moving synchronously with the position adjustment of the seeding component, while preventing the keyway from dislodging from the long keyway.
[0014] Preferably, the adjusting shell has a disc-shaped structure and is composed of upper and lower shell halves. The top of the upper shell is sealed and fixedly connected to the bottom discharge port of the seed hopper. The bottom of the lower shell has a seeding port. The edge of the feeding wheel has a groove. As the feeding wheel rotates, the groove receives the seeds falling from the discharge port of the seed hopper and transports them to the seeding port of the lower shell to complete the sowing. Both the front and rear ends of the upper and lower shell halves are integrally formed with ear plates. The fixing plate II has an "L"-shaped structure and is fixedly connected to the top of the fixing plate II by bolts and nuts passing through the ear plates of the upper and lower shell halves. The bottom of the fixing plate II is detachably connected to the adjusting groove II on the adjusting plate II and the adjusting plate III by bolts and nuts passing through the fixing plate II respectively.
[0015] Preferably, the drive assembly includes a drive motor I and a reduction gearbox. The drive motor I and the reduction gearbox are fixed to the top of the vehicle frame via a mounting bracket. The output end of the drive motor I is fixedly connected to the input end of the reduction gearbox via a coupling. A drive pulley is mounted on the output end of the reduction gearbox via a key. A coaxial pulley I is coaxially fixedly mounted on the drive pulley. The coaxial pulley I is connected to a driven pulley I via a transmission belt I. The driven pulley I is fixedly connected to a drive shaft I via a key. Forward pulleys are mounted at both ends of the drive shaft I. Drive shaft I is rotatably mounted on the bottom of the frame via a bearing housing. The driving pulley is connected to the driven pulley II via a transmission belt II. The driven pulley II is fixedly connected to the driven shaft via a key. The other end of the driven shaft is fixedly connected to the coaxial pulley II via a key. The coaxial pulley II is connected to the driven pulley III via a transmission belt III. The driven pulley III is fixedly connected to the drive shaft II via a key. Drive motor I drives all the material feeding wheels on drive shaft II to rotate synchronously and at the same speed through the gearbox, each pulley, and the transmission belt.
[0016] Preferably, the seed inlet of the adjusting shell extends downward through the frame to the bottom of the frame, facilitating direct seeding into the seed furrow. A furrow opener is detachably mounted on the bottom of the frame in front of the sowing assembly via a bracket, and a soil covering device is detachably mounted on the rear of the sowing assembly via a bracket. The brackets for mounting the furrow opener and the soil covering device are provided with multiple through holes distributed in the left-right direction. By passing bolts and nuts through different through holes, the installation positions of the furrow opener and the soil covering device can be adjusted synchronously with the position adjustment of the sowing assembly.
[0017] Compared with the prior art, the beneficial effects of this utility model are:
[0018] This utility model, by setting up an adjustable structure with synchronized upper and lower limits composed of adjustment plate I, adjustment plate II, adjustment plate III, fixed plate I, fixed plate II and guide rod I, and in conjunction with the long keyway and "concave" shaped shaft key on the drive shaft II, can drive multiple sowing components to move stably left and right along the adjustment groove, realize the adjustment of the sowing spacing, and the sowing components are not easy to deviate during the adjustment process, adapting to the planting spacing requirements of different crops.
[0019] This invention features an anti-clogging component consisting of a drive motor II, a crank, a connecting rod, a striking plate, a guide rod II, and a guide plate. The crank-connecting rod mechanism converts the rotational motion into the reciprocating linear motion of the striking plate. Combined with the rubber pad on the striking plate, the component can flexibly strike the outer wall of the seed box at equal intervals. The vibration effectively clears the discharge port of the seed hopper, preventing seeds from clumping and clogging, and ensuring continuous sowing.
[0020] This invention, by setting up a transmission assembly consisting of a drive motor I, a reduction gearbox, and multi-stage pulleys, can synchronously drive the forward wheel and the feeding wheel to rotate, ensuring that the sowing and forward movements are coordinated and consistent. Furthermore, by changing pulleys of different diameters, the transmission ratio between the forward wheel and the feeding wheel can be flexibly adjusted to achieve on-demand adjustment of the sowing density and improve the versatility of the equipment. Attached Figure Description
[0021] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model;
[0022] Figure 2 This utility model Figure 1 Another perspective 3D illustration;
[0023] Figure 3 This is a three-dimensional schematic diagram of the transmission component of this utility model;
[0024] Figure 4 This is a three-dimensional schematic diagram of the adjustment component of this utility model;
[0025] Figure 5 This is a three-dimensional schematic diagram of the feeding wheel, adjusting shell, and drive shaft II of this utility model;
[0026] Figure 6 This is a three-dimensional schematic diagram of the feed wheel and shaft key of this utility model;
[0027] Figure 7 This is a three-dimensional schematic diagram of the anti-clogging component of this utility model.
[0028] In the diagram: 1. Frame; 101. Trencher; 102. Coverer; 2. Handle; 3. Forward wheel; 4. Drive shaft I; 5. Driven pulley I; 6. Drive belt I; 7. Coaxial pulley I; 8. Drive pulley; 9. Drive belt II; 10. Driven pulley II; 11. Driven shaft; 12. Coaxial pulley II; 13. Drive belt III; 14. Driven pulley III; 15. Drive shaft II; 1501. Long keyway; 16. Adjusting plate I; 1601. Adjusting groove I; 1602. Guide. 17. Rod I; 18. Drive motor I; 19. Gearbox; 10. Seed box; 1901. Fixed plate I; 1902. Moving plate; 20. Seed hopper; 21. Adjusting shell; 2101. Feeding wheel; 22. Fixed plate II; 23. Adjusting plate II; 24. Adjusting plate III; 25. Adjusting groove II; 26. Shaft key; 27. Support frame; 28. Support plate; 29. Drive motor II; 30. Crank; 31. Connecting rod; 32. Guide plate; 33. Striking plate; 34. Guide rod II. Detailed Implementation
[0029] 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.
[0030] Example:
[0031] Please see Figures 1 to 7 This utility model provides a technical solution:
[0032] An adjustable spacing anti-clogging seeder includes a frame 1, on which a forward wheel 3, a drive assembly, an anti-clogging assembly, a seeding assembly, and a handle 2 are installed sequentially from front to back. The components work together to achieve stable seeding, adjustable spacing, and anti-clogging functions.
[0033] The sowing assembly includes a seed box 19, a seed hopper 20, an adjusting shell 21, a feeding wheel 2101, adjusting plate I 16, adjusting plate II 23, adjusting plate III 24, fixing plate I 1901, and fixing plate II 22, forming an adjustable structure with synchronized upper and lower limits. The seed hopper 20 is fixedly welded to the bottom of the seed box 19, and the adjusting shell 21 is fixedly installed below the seed hopper 20. The adjusting shell 21 is a disc-shaped structure composed of upper and lower half shells spliced together. Both ends of the upper and lower half shells are integrally formed with ear plates for easy assembly and fixation. The top of the upper half shell is sealed and fixedly connected to the bottom discharge port of the seed hopper 20 to prevent seed leakage. The bottom of the lower half shell has a seed inlet, which extends downward through the frame 1 to the bottom of the frame 1, so that the seeds can fall directly into the seed furrow.
[0034] The adjusting shell 21 contains a rotatable feeding wheel 2101. The feeding wheel 2101 has multiple slots evenly distributed on its edge. The slots correspond to the discharge port of the seed hopper 20 and the seeding port of the lower shell. As the feeding wheel 2101 rotates, the slots can receive the seeds falling from the discharge port of the seed hopper 20 and smoothly transport them to the seeding port of the lower shell to complete the sowing. The feeding wheels 2101 of multiple sowing components are coaxially arranged and rotate synchronously to ensure the consistency of multiple sowing groups.
[0035] In this embodiment, as Figure 5 and Figure 6 As shown, the feeding wheel 2101 is mounted on the drive shaft II 15 via a key 26. The drive shaft II 15 is rotatably mounted on the frame 1 via a bearing seat. The drive shaft II 15 has an axially extending long keyway 1501. The key 26 has a concave structure. The inner wall of the center hole of the feeding wheel 2101 has a corresponding keyway that matches the concave key 26. The concave key 26 is embedded in the keyway of the feeding wheel 2101 to achieve reliable torque transmission. At the same time, the concave key 26 can slide left and right along the long keyway 1501 of the drive shaft II 15, and can move synchronously with the position adjustment of the sowing component. The concave structure can effectively prevent the key 26 from disengaging from the long keyway 1501, ensuring transmission stability.
[0036] like Figure 4 As shown, adjustment plate II 23 and adjustment plate III 24 are fixedly connected to the frame 1 by bolts and nuts, and both have strip-shaped adjustment grooves II 25. Fixed plate II 22 has an "L" shaped structure. Its top is fixedly connected to the ear plates of the upper and lower halves of the adjustment shell 21 by bolts and nuts, and its bottom is detachably connected to the adjustment grooves II 25 of adjustment plate II 23 and adjustment plate III 24 by bolts and nuts respectively. Adjustment plate I 16 is raised to the same height as the upper end of seed box 19 by a bracket. Adjustment plate I 16 has a strip-shaped adjustment groove I 1601. Fixed plate I 1901 is welded to the top of the rear end face of seed box 19. Fixed plate I 1901 extends horizontally above adjustment groove I 1601. Fixed plate I 1901 is detachably fixedly connected to adjustment plate I 16 by bolts and nuts.
[0037] A guide rod I1602 is welded to the lower end face of the adjusting plate I16 via a bracket. Two spaced movable plates 1902 are fixedly welded to the middle of the rear end face of the seed box 19. The movable plates 1902 have through holes. The guide rod I1602 slides through the through holes and is in clearance fit with the movable plates 1902, providing stable guidance when the sowing assembly is adjusted. Through the cooperation of adjusting plate I16 with adjusting plate II23 and adjusting plate III24, the seed box 19 at the top of the sowing assembly and the adjusting shell 21 at the bottom are fixed and limited vertically respectively. When the bolts and nuts are loosened, multiple sowing assemblies can be driven to move synchronously left and right along adjusting groove I1601 and adjusting groove II25. After tightening, they are fixed, thereby adjusting the sowing spacing. During the adjustment process, the sowing assembly remains stable and will not shift.
[0038] The drive assembly includes a drive motor I17 and a reduction gearbox 18, which achieves synchronous drive of the forward wheel 3 and the feeding wheel 2101 through multi-stage belt pulley transmission, and allows for flexible adjustment of the sowing density. Figure 3 As shown, the drive motor I17 and the gearbox 18 are fixed to the top of the frame 1 by a mounting bracket. The output end of the drive motor I17 and the input end of the gearbox 18 are fixedly connected by a coupling to ensure smooth power transmission. The output end of the gearbox 18 is mounted with a drive pulley 8 via a flat key. A coaxial pulley I7 is coaxially fixed to the drive pulley 8. The coaxial pulley I7 is connected to the driven pulley I5 via a transmission belt I6. The driven pulley I5 is fixedly connected to the drive shaft I4 via a key. The two ends of the drive shaft I4 are mounted with forward wheels 3, and the drive shaft I4 is rotatably mounted on the bottom of the frame 1 via bearing seats. Through this transmission path, the drive motor I17 outputs power to the forward wheels 3, driving the entire machine forward.
[0039] Furthermore, the driving pulley 8 is simultaneously connected to the driven pulley 210 via the transmission belt 29. The driven pulley 210 is fixedly connected to the driven shaft 11 via a key. The other end of the driven shaft 11 is fixedly connected to the coaxial pulley 212 via a key. The coaxial pulley 212 is connected to the driven pulley 314 via the transmission belt 313. The driven pulley 314 is fixedly connected to the drive shaft 215 via a key. Through this multi-stage transmission path, the drive motor 117 is sequentially driven by the reduction gearbox 18, each pulley, and the transmission belt, driving all the material feeding wheels 2101 on the drive shaft 215 to rotate synchronously and at the same speed.
[0040] It should be noted that by replacing pulleys of different diameters, the transmission ratio between the forward pulley 3 and the feed wheel 2101 can be flexibly changed, thereby adjusting the sowing density according to planting needs and adapting to the sowing requirements of different crops.
[0041] The anti-clogging component includes a striking plate 33, a support frame 27, a support plate 28, a drive motor II 29, a crank 30, a connecting rod 31, a guide rod II 34, and a guide plate 32. It prevents clogging of the seed hopper 20 through reciprocating striking. The support frame 27 is fixedly mounted on the frame 1, and the support plate 28 is fixedly connected to its top. The support frame 27 elevates the support plate 28, aligning the anti-clogging component with the seed box 19. The drive motor II 29 is mounted below the support plate 28 via a bracket. The output end of the drive motor II 29 passes through the support plate 28 and is fixedly connected to the crank 30, which is rotatably mounted on the upper surface of the support plate 28. Starting the drive motor II 29 causes the crank 30 to rotate stably. The rear end face of the striking plate 33 is hinged to one end of the connecting rod 31, and the other end of the connecting rod 31 is hinged to the end of the crank 30 away from the shaft, forming a crank 30 connecting rod 31 transmission structure, which converts the rotational motion of the crank 30 into the reciprocating linear motion of the striking plate 33; the rear end face of the striking plate 33 is also fixedly connected to a guide rod II 34, and a guide plate 32 is fixedly welded to the upper end face of the support plate 28. The guide rod II 34 slides through the guide plate 32 and is clearance-fitted with the guide plate 32, providing guidance for the reciprocating motion of the striking plate 33 and preventing motion deviation.
[0042] In this embodiment, a rubber pad is installed on the side of the striking plate 33 facing the seed box 19. The crank 30 is driven to rotate by the drive motor II 29, and the striking plate 33 is driven to reciprocate along the direction of the guide rod II 34 via the connecting rod 31. It continuously and at equal intervals strikes the outer wall of the seed box 19. The vibration effectively clears the discharge port of the seed hopper 20 and prevents the seeds from clumping and blocking. At the same time, the rubber pad can buffer the striking force and avoid damaging the outer wall of the seed box 19.
[0043] The bottom of the frame 1 is detachably mounted with a furrow opener 101 in front of the sowing component via a bracket, and a soil coverer 102 is detachably mounted with a bracket behind the sowing component, forming a complete operation process of "furrowing-sowing-covering".
[0044] The brackets for installing the furrow opener 101 and the soil coverer 102 are each provided with multiple through holes distributed in the left and right directions. After the spacing of the sowing components is adjusted, the installation positions of the furrow opener 101 and the soil coverer 102 can be adjusted synchronously by passing bolts and nuts through different through holes, so that the furrow opening position, sowing position and soil cover position always correspond to each other, ensuring sowing quality.
[0045] It should be noted that the furrow opener 101 and the soil coverer 102 are conventional supporting components for seeders to complete the sowing operation. Their structural forms (such as the shovel-shaped structure of the furrow opener 101 and the compaction or covering structure of the soil coverer 102) and basic installation methods have been disclosed in many existing related technologies in the field of agricultural machinery. They are conventional technical means known to those skilled in the art. The specific structural details and general installation principles of the two will not be elaborated here.
[0046] It should be noted that the electrical connection methods of drive motor I 17 and drive motor II 29 with external control components, the appropriate power supply methods (such as battery power or external power supply), the control logic for starting, stopping and speed regulation, as well as the assembly methods of each pulley with the corresponding drive shaft and driven shaft 11 (including the specific mating process of key connection), the fixing structure of bearing housing and frame 1, and the selection and installation of bearings are all mature existing technologies in the field of general machinery, which have been disclosed in many published patents and technical documents. Therefore, the specific implementation details will not be repeated here.
[0047] In use, this utility model first loosens the bolts and nuts on the adjusting plate I16, adjusting plate II23, and adjusting plate III24 according to the crop planting requirements, and pushes each sowing component to move synchronously left and right along the adjusting groove to the preset distance. The installation positions of the furrow opener 101 and the soil coverer 102 are adjusted synchronously and locked. The sowing density is adjusted by replacing the corresponding diameter pulley as needed. Then, seeds are loaded into the seed box 19, and the drive motor I17 and drive motor II29 are started. The drive motor I17 drives the forward wheel 3 to move forward and the feeding wheel 2101 to rotate synchronously through the multi-stage pulley transmission. The feeding wheel 2101 receives the seeds through the groove and transports them to the seed furrow. The drive motor II29 drives the striking plate 33 to reciprocate to strike the seed box 19 through the crank 30 and connecting rod 31 mechanism to prevent the seed hopper 20 from being blocked. Finally, the sowing process is completed through continuous operation of furrow opening, sowing, and soil covering.
[0048] All other parts of this utility model not described herein are the same as existing technologies, or are known technologies, or can be implemented using existing technologies, and will not be described in detail here.
[0049] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A spacing-adjustable anti-clogging seeder, characterized in that, include: The frame (1) is equipped with a forward wheel (3), a drive assembly, an anti-blocking assembly, a seeding assembly and a handle (2) in sequence from front to back. The sowing assembly includes an adjusting plate II (23), an adjusting plate III (24), a fixed plate II (22), a seed box (19), a seed hopper (20), an adjusting shell (21), and a feeding wheel (2101). The seed box (19) is fixedly welded to the bottom of the seed hopper (20), and the adjusting shell (21) is fixedly installed below the seed hopper (20). The feeding wheel (2101) is rotatably installed inside the adjusting shell (21). The feeding wheels (2101) of the multiple sowing assemblies are coaxially arranged and rotate synchronously. The adjusting plate II (23) and the adjusting plate III (24) are fixedly welded to the seed box (19). III (24) is fixedly connected to the frame (1) by bolts and nuts, and both the adjusting plate II (23) and the adjusting plate III (24) are provided with strip-shaped adjusting grooves II (25). The front and rear ends of the adjusting shell (21) are detachably connected to the adjusting grooves II (25) of the adjusting plate II (23) and the adjusting plate III (24) by fixing plate II (22) and bolts and nuts respectively. When the bolts and nuts are loosened, multiple seeding components can be moved left and right along the adjusting grooves II (25) on the frame (1). When the bolts and nuts are tightened, the seeding components are fixed, thereby adjusting the seeding spacing. The drive assembly is connected by multiple transmission components, which respectively drive the forward wheel (3) to rotate and the feeding wheel (2101) of the seeding assembly to rotate synchronously on the same axis. The anti-blocking component includes a striking plate (33). By driving the striking plate (33) to reciprocate, it strikes the outer wall of the seed box (19) at equal intervals, and uses the vibration to clear the discharge port of the seed hopper (20) to achieve the anti-blocking function.
2. The adjustable spacing anti-clogging seeder according to claim 1, characterized in that: The anti-blocking component also includes a support frame (27), on the top of which a support plate (28) is fixedly connected. The support plate (28) is raised by the support frame (27). A drive motor II (29) is installed below the support plate (28) by a bracket. The output end of the drive motor II (29) passes through the support plate (28) and is fixedly connected to a crank (30) rotatably mounted on the upper surface of the support plate (28). The rear end face of the striking plate (33) is hinged to one end of the connecting rod (31), and the other end of the connecting rod (31) is hinged to the end of the crank (30) away from the shaft. A guide rod II (34) is also fixedly connected to the rear end face of the striking plate (33). A guide plate (32) is fixedly welded to the upper surface of the support plate (28). The guide rod II (34) slides through the guide plate (32) and is clearance-fitted with the guide plate (32).
3. The adjustable spacing anti-clogging seeder according to claim 1, characterized in that: The sowing assembly also includes an adjusting plate I (16), which is raised to the same height as the upper surface of the seed box (19) by a bracket. The adjusting plate I (16) has a strip-shaped adjusting groove I (1601). A fixing plate I (1901) is welded to the top of the rear end face of the seed box (19). The fixing plate I (1901) extends horizontally above the adjusting groove I (1601). The fixing plate I (1901) and the adjusting plate I (16) are detachably and fixedly connected by bolts and nuts. A guide rod I (1602) is welded to the lower end face of the adjusting plate I (16) by a bracket. Two spaced moving plates (1902) are fixedly welded to the middle of the rear end face of the seed box (19). The moving plates (1902) have through holes. The guide rod I (1602) slides through the through holes and is in clearance fit with the moving plates (1902).
4. The adjustable spacing anti-clogging seeder according to claim 1, characterized in that: The feed wheel (2101) is mounted on the drive shaft II (15) via a key (26). The drive shaft II (15) is rotatably mounted on the frame (1) via a bearing seat. The drive shaft II (15) has an axially extending long keyway (1501). The key (26) has a concave structure. The inner wall of the center hole of the feed wheel (2101) has a keyway that matches the concave key (26). The concave key (26) is embedded in the keyway of the feed wheel (2101).
5. The adjustable spacing anti-clogging seeder according to claim 1, characterized in that: The adjusting shell (21) is a disc-shaped structure, and the adjusting shell (21) is composed of two halves of the shell. The top of the upper half of the shell is sealed and fixedly connected to the bottom outlet of the seed hopper (20). The bottom of the lower half of the shell has a seeding port. The edge of the feeding wheel (2101) has a groove. By rotating the feeding wheel (2101), the groove receives the seeds falling from the outlet of the seed hopper (20) and transports them to the seeding port of the lower half of the shell to complete the sowing. The front and rear ends of the upper and lower halves of the shell are integrally formed with ear plates. The fixing plate II (22) is an "L" shaped structure. The fixing plate II (22) is fixedly connected to the top of the fixing plate II (22) by bolts and nuts passing through the ear plates of the upper and lower halves of the shell. The bottom of the fixing plate II (22) is detachably connected to the adjusting groove II (25) on the adjusting plate II (23) and the adjusting plate III (24) by bolts and nuts passing through the fixing plate II (22) respectively.
6. The adjustable spacing anti-clogging seeder according to claim 1, characterized in that: The drive assembly includes a drive motor I (17) and a gearbox (18). The drive motor I (17) and the gearbox (18) are fixed to the top of the frame (1) by a mounting bracket. The output end of the drive motor I (17) and the input end of the gearbox (18) are fixedly connected by a coupling. The output end of the gearbox (18) is mounted with a drive pulley (8) by a flat key. The drive pulley (8) is coaxially fixed with a coaxial pulley I (7). The coaxial pulley I (7) is connected to the driven pulley I (5) by a transmission belt I (6). The driven pulley I (5) is fixed to the drive shaft I (4) by a key. The drive shaft I (4) is fixedly connected to the two ends of the drive shaft I (4), and the drive shaft I (4) is rotatably mounted on the bottom of the frame (1) through the bearing seat. The drive pulley (8) is connected to the driven pulley II (10) through the transmission belt II (9). The driven pulley II (10) is fixedly connected to the driven shaft (11) through the key. The other end of the driven shaft (11) is fixedly connected to the coaxial pulley II (12) through the key. The coaxial pulley II (12) is connected to the driven pulley III (14) through the transmission belt III (13). The driven pulley III (14) is fixedly connected to the drive shaft II (15) through the key.
7. The adjustable spacing anti-clogging seeder according to claim 1, characterized in that: The seed inlet of the adjusting shell (21) extends downward through the frame (1) to the bottom of the frame (1), so that the seeds can fall directly into the seed furrow. The bottom of the frame (1) is detachably mounted with a furrow opener (101) in front of the sowing component via a bracket. The rear of the sowing component is detachably mounted with a soil covering device (102) via a bracket. The brackets of the furrow opener (101) and the soil covering device (102) are provided with multiple through holes distributed in the left and right directions. By passing bolts and nuts through different through holes, the installation positions of the furrow opener (101) and the soil covering device (102) can be adjusted synchronously with the position adjustment of the sowing component.
