Seeding machine

Abstract

The utility model relates to the field of seeding machines, in particular to a seeding machine which comprises a box body, a first discharging channel and a first receding channel are formed in the bottom of the inner side of the box body, a charging tray is fixed in the box body, a discharging port is formed in the top and bottom of the charging tray, and the discharging port is located above the first discharging channel; a baffle is arranged in the box body in a sliding mode and located between the first discharging channel and the discharging port, a second discharging channel and a second receding channel are formed in the baffle, a driving wheel assembly is arranged on the box body in a penetrating mode, a transmission shaft of the driving wheel assembly is sleeved with a cam, and a protruding part is arranged on the peripheral side of the cam. The protruding part penetrates through the first receding channel and the second receding channel to extend outwards, a push block is fixed to the baffle, the protruding part collides with the push block to drive the push block to move forwards, and therefore the second discharging channel in the baffle, the discharging port and the first discharging channel are located in the same vertical extending direction, and seeds penetrate through the first discharging channel to be sown. The whole structure is simple, and the use cost is low.

Description

Technical Field

[0001] The utility model relates to the field of seed drills, in particular to a seed drill. Background Art

[0002] Seeders are an indispensable and important mechanical equipment in modern agriculture, which greatly improves the planting efficiency and quality of crops. Seeders are mainly used to accurately place seeds into cultivated land to ensure that crops grow at the appropriate spacing and depth. It integrates advanced mechanical technology and intelligent control systems, and can adjust the seeding amount, spacing and depth according to the needs of farmers, making the seeding process more precise and efficient. With the continuous advancement and innovation of agricultural technology, the performance and quality of seeders are also constantly improving. Various types of seeders have been widely used in agricultural production, providing farmers with a more efficient and convenient way of sowing.

[0003] The working principle of the seeder is based on the steps of seed storage, transportation, soil preparation, sowing and covering. Farmers only need to put the seeds into the storage of the seeder, and through the synergy of mechanical force and power, the seeds can be accurately placed in the soil. The seeder can also automatically adjust the sowing parameters to meet the needs of different crops and land. However, the existing seeder has a complex structure and is only suitable for large-scale planting. For small-area sowing needs, the production cost is relatively high. Utility Model Content

[0004] The utility model aims to provide a seed drill, aiming to improve the problem that the existing seed drill has a complex structure and is only suitable for large-scale planting. For small-area planting needs, the production cost is high.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A seed drill, characterized in that it comprises a box body, a first material discharging channel and a first clearance channel are provided at the inner bottom of the box body, a material tray is fixed in the box body, at least one material discharging port is provided at the top and bottom of the material tray, and the material discharging port is located above the first material discharging channel;

[0007] A baffle is slidably arranged in the box body, the baffle is located between the first discharge channel and the discharge port, and a second discharge channel and a second clearance channel are opened on the baffle.

[0008] A driving wheel assembly is provided on the box body, and at least one cam is sleeved on the transmission shaft of the driving wheel assembly, the cam corresponds to the position of the discharge port, the cam is located above the first make way channel and the second make way channel, and at least one protrusion is provided on the circumference of the cam, and the protrusion extends outward through the first make way channel and the second make way channel, and at least one push block is fixed on the baffle, and the push block corresponds to the cam one by one, and a reset piece is fixed on the end of the baffle, and the protrusion pushes the push block, thereby driving the second discharge channel on the baffle to be located in the same vertical extension direction as the discharge port and the first discharge channel.

[0009] Furthermore, limiting rods are fixed on both sides of the bottom of the box body, and the limiting rods are spaced apart from the bottom surface of the box body to form a slide rail, and both ends of the baffle extend into the slide rail.

[0010] Furthermore, a discharging protrusion protruding outward is provided at the bottom of the material tray, the discharging port is opened on the discharging protrusion, the discharging protrusion and the side of the material tray form a step portion, and the step portion is in contact with the top of the limiting rod.

[0011] Furthermore, one side of the tray includes a vertical surface, a first inclined surface, a second inclined surface and a third inclined surface interconnected from top to bottom; the first inclined surface, the second inclined surface and the third inclined surface all have one side close to the vertical surface inclined downward to the other side.

[0012] Furthermore, the inclination angle of the first inclined surface is a, the inclination angle of the second inclined surface is b, the inclination angle of the third inclined surface is c, and the inclination angles of the first inclined surface, the second inclined surface and the third inclined surface are in a relationship of c>a>b.

[0013] Furthermore, a vibrating member is fixed to the outer side surface of the third inclined surface, and the vibrating member is located on the side of the discharge port.

[0014] Furthermore, the reset member includes a spring, one end of the spring is fixedly connected to one end of the baffle, the other end of the spring is fixedly connected to the inner side of the box body, and the push block is located at the other end of the baffle.

[0015] Furthermore, a side of the push block close to the cam is an arc surface.

[0016] Furthermore, a convex eave protruding outward is provided on the top peripheral side of the material tray, and the convex eave is in contact with the top of the box body.

[0017] Furthermore, a push-pull assembly is fixed on the box body, and the push-pull assembly includes an upper connecting rod, a lower connecting rod and a grip rod that are interconnected, and the free ends of the upper connecting rod and the lower connecting rod are fixedly connected to the convex eave side of the material tray and the outer side surface of the box body respectively.

[0018] After adopting the above technical solution, the utility model has the following advantages compared with the background technology:

[0019] The cam rotates synchronously with the driving wheel assembly. During the rotation of the cam, the raised portion on the circumference of the cam collides with the push block, driving the push block forward, so that the second discharge channel on the baffle is located in the same vertical extension direction as the discharge port and the first discharge channel; the seeds are placed in the tray, and under the action of gravity, the seeds move toward the discharge port at the bottom of the tray. When the discharge port, the second discharge channel and the first discharge channel are interconnected, the seeds pass through the first discharge channel for sowing. When the raised portion does not collide with the push block, the baffle blocks the discharge port to prevent the seeds from scattering and being lost. At the same time, the raised portion protrudes from the box during the rotation process, squeezing the land below to form a planting hole for sowing, which is used to hold the seeds after the seeds fall, thereby improving the seed survival efficiency. The overall structure is simple, meets a variety of planting methods, has good sowing efficiency, and has a low cost of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the top structure of the seed drill described in the utility model;

[0021] Figure 2 This is a schematic diagram of the bottom structure of the seed drill described in the utility model;

[0022] Figure 3 This is a schematic diagram of the exploded structure of the seed drill described in the utility model;

[0023] Figure 4 This is a schematic diagram of the cross-sectional structure of the box of the seed drill described in the utility model;

[0024] Figure 5 This is a schematic diagram of the top structure of the feed tray of the seed drill described in the utility model;

[0025] Figure 6 This is a schematic diagram of the bottom structure of the feed tray of the seed drill described in the utility model;

[0026] Figure 7 This is a schematic diagram of the box structure of the seed drill described in the utility model;

[0027] Figure 8 It is a schematic diagram of the baffle structure of the seed drill described in the utility model.

[0028] Description of reference numerals:

[0029] 1. Box body; 11. First discharging channel; 12. First yielding channel; 13. Limit rod; 14. Slide rail;

[0030] 2. Material tray; 21. Material outlet; 22. Material outlet protrusion; 23. Step portion; 24. Vertical surface; 25. First inclined surface; 26. Second inclined surface; 27. Third inclined surface; 28. Vibrating member; 29. ​​Eaves;

[0031] 3. baffle; 31. second discharging channel; 32. second making way channel; 33. push block; 331. arc surface; 332. arc protrusion; 34. reset member;

[0032] 4. driving wheel assembly; 41. driving wheel; 42. transmission shaft;

[0033] 5. cam; 51. raised portion;

[0034] 6. Push-pull assembly; 61. upper connecting rod; 62. lower connecting rod; 63. grip rod; 64. reinforcement rod. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0036] In addition, it should be noted that the terms "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element of the present invention must have a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0037] When an element is referred to as being “fixed to” or “disposed on” or “provided on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0038] Unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0039] Example

[0040] Please refer to Figure 1-8As shown, this embodiment provides a seed drill, including a box body 1, a first discharge channel 11 and a first clearance channel 12 are provided at the inner bottom of the box body 1, a material tray 2 is fixed in the box body 1, at least one discharge port 21 is provided at the top and bottom of the material tray 2, and the discharge port 21 is located above the first discharge channel 11. A baffle 3 is slidably arranged in the box body 1, the baffle 3 is located between the first discharge channel 11 and the discharge port 21, and a second discharge channel 31 and a second clearance channel 32 are provided on the baffle 3. A driving wheel assembly 4 is penetrated through the box body 1, and at least one cam 5 is sleeved on the transmission shaft 42 of the driving wheel assembly 4, the cam 5 corresponds to the position of the discharge port 21, and the cam 5 is located above the first clearance channel 12 and the second clearance channel 32. At least one protrusion 51 is provided on the circumference of the cam 5, and the protrusion 51 passes through the first clearance channel 12 and the second clearance channel 32 and extends outward. At least one push block 33 is fixed on the baffle 3, and the push block 33 corresponds to the cam 5 one by one. A reset member 34 is fixed to the end of the baffle 3, and the reset member 34 drives the baffle 3 to reset. The protrusion 51 pushes the push block 33, thereby driving the second discharge channel 31 on the baffle 3 to be located in the same vertical extension direction as the discharge port 21 and the first discharge channel 11.

[0041] In this embodiment, the cam 5 is located at the front end of the travel path; the cam 5 rotates synchronously with the driving wheel assembly 4. During the rotation of the cam 5, the raised portion 51 on the circumference of the cam 5 collides with the push block 33, driving the push block 33 forward, so that the second discharge channel 31 on the baffle 3 is located in the same vertical extension direction as the discharge port 21 and the first discharge channel 11; the seeds are placed in the tray 2, and the seeds move toward the discharge port 21 at the bottom of the tray 2 under the action of gravity. When the discharge port 21, the second discharge channel 31 and the first discharge channel 11 are connected to each other, the seeds pass through the first discharge channel 11 for sowing. When the raised portion 51 does not collide with the push block 33, the baffle 3 blocks the discharge port 21 to prevent the seeds from being scattered and lost. At the same time, the raised portion 51 protrudes from the box body 1 during the rotation process, squeezing the land below to form a planting hole for sowing, so that the seeds can be placed after the seeds fall, thereby improving the seed survival efficiency. Similarly, when the cam 5 is located at the rear end of the travel path, the seeds are sown first, and then during the travel process, the cam 5 presses the seeds so that the seeds penetrate deeply into the soil, which is more conducive to the survival of the seeds. According to the needs of different seed sowing methods, the different sides of the box 1 are flexibly pushed or pulled to achieve the switching of the position of the cam 5, which is more practical. The overall structure is simple, meets various planting methods, has good sowing efficiency, and has low use cost.

[0042] Please refer to Figure 7As shown, in this embodiment, the limiting rods 13 are fixed on both sides of the bottom of the box body 1, and the limiting rods 13 are spaced apart from the bottom surface of the box body 1 to form a slide rail 14, and the two ends of the baffle 3 extend into the slide rail 14. The bottom of the limiting rod 13 limits the baffle 3 to ensure the accuracy of the sliding track of the baffle 3. Further, the bottom of the tray 2 is provided with a discharge protrusion 22 protruding outward, and the discharge port 21 is opened on the discharge protrusion 22. The discharge protrusion 22 and the side of the tray 2 form a step portion 23, and the step portion 23 is in contact with the top of the limiting rod 13. The top of the limiting rod 13 supports the bottom of the tray 2 to ensure that the tray 2 has good stability during the sowing process. At the same time, the opposite side of the limiting rod 13 fits with the side of the discharge protrusion 22 to form a positioning of the bottom of the tray 2, ensuring the accuracy of the position of the bottom of the tray 2, and avoiding the discharge port 21 and the first discharge channel 11 not being in the same vertical direction, which affects the sowing process.

[0043] Please refer to Figure 4-6 As shown, in this embodiment, one side of the feed tray 2 includes a vertical surface 24, a first inclined surface 25, a second inclined surface 26 and a third inclined surface 27 which are interconnected from top to bottom; the first inclined surface 25, the second inclined surface 26 and the third inclined surface 27 all have one side close to the vertical surface 24 inclined downward to the other side. Specifically, the first inclined surface 25, the second inclined surface 26 and the third inclined surface 27 which are interconnected have one end inside the box body 1 inclined downward to the other end, so as to fully increase the utilization of the internal space of the box body 1, increase the volume of the feed tray 2, and hold more seeds. Please refer to Figure 4 As shown, specifically, the inclination angle of the first inclined surface 25 is a, the inclination angle of the second inclined surface 26 is b, and the inclination angle of the third inclined surface 27 is c. The inclination angles of the first inclined surface 25, the second inclined surface 26 and the third inclined surface 27 are in the relationship of c>a>b. The second inclined surface 26 is set in the middle and a relatively small inclination angle is set to better support the seeds in the middle to prevent the seeds from falling completely under the influence of gravity and accumulating at the discharge port 21; the first inclined surface 25 is set at a larger inclination angle than the second inclined surface 26 at the upper end, which applies a greater acceleration to the planting, forms a downward thrust on the seeds accumulated at the second inclined surface 26, and prevents the seeds from accumulating too much at the second inclined surface 26, which affects the sowing efficiency; and the third inclined surface 27 is set with the largest inclination angle, and the seeds have a greater falling speed, which is convenient for sowing the seeds and prevents the seeds from accumulating at the discharge port 21.

[0044] Please refer to Figure 6As shown, a vibrator is fixed on the outer side of the third inclined surface 27, and the vibrator is located at the side of the discharge port 21. Similarly, the third inclined surface 27 with a larger inclination angle is provided to provide a larger installation space for the outer vibrator, which is convenient for the installation of the vibrator 28; the vibrator 28 is located on one side of the discharge port 21, and applies a vibrating force to the seeds accumulated at the discharge port 21 in the feed tray 2, adjusts the position between the seeds, and further avoids the seeds from being blocked at the discharge port 21.

[0045] In this embodiment, a convex eave 29 protruding outward is provided on the top peripheral side of the material tray 2, and the convex eave 29 is in contact with the top of the box body 1. The convex eave 29 supports the material tray 2 from above, further ensuring the stability of the material tray 2 during the movement.

[0046] Please refer to Figure 2-4 As shown, in this embodiment, the reset member 34 includes a spring, one end of the spring is fixedly connected to one end of the baffle 3, the other end of the spring is fixedly connected to the inner side of the box body 1, and the push block 33 is located at the other end of the baffle 3. When the protrusion 51 of the cam 5 collides with the push block 33, the baffle 3 moves forward and stretches the spring. When the protrusion 51 and the push block 33 are separated from each other, the spring provides a pulling force for the baffle 3 to drive the baffle 3 to reset. In this embodiment, the side of the push block 33 close to the cam 5 is an arc surface 331. The arc surface 331 gives way to the cam 5 to prevent the free end of the push block 33 from interfering with the rotation of the rest of the cam 5. At the same time, the two sides of the arc surface 331 wrap the protrusion 51 inside, making full contact with the protrusion 51, and having a better pushing effect. Please refer to Figure 8 As shown, similarly, a circular arc protrusion 332 can be provided on the side of the push block 33 close to the cam 5, that is, the side of the push block 33 close to the cam 5 is similar to the structure of the protrusion 51. During the contact process, the protrusion 51 and the curved surface of the circular arc protrusion 332 contact each other and transmit thrust during rotation, making the pushing process smoother, effectively reducing friction, reducing energy loss, and ensuring good continuity during the movement of the seeder.

[0047] In this embodiment, the number of the discharge port 21, the cam 5, the push block 33 and the vibrating member are all three. By setting multiple discharge ports 21, sowing can be performed at multiple locations during one sowing process, which has better sowing efficiency. Similarly, four or more discharge ports 21, cams 5, push blocks 33 and vibrating members can be set. In this embodiment, the number of the raised portions 51 on the circumferential side of the cam 5 is two, and the two raised portions 51 are located at both ends of the diameter of the cam 5, which further improves the sowing efficiency. Similarly, three or more raised portions 51 can be set according to sowing requirements.

[0048] Please refer to Figure 1-3As shown, a push-pull assembly 6 is fixed on the box body 1, and the push-pull assembly 6 includes an upper connecting rod 61, a lower connecting rod 62 and a gripping rod 63 connected to each other, and the free ends of the upper connecting rod 61 and the lower connecting rod 62 are fixedly connected to the side of the convex eaves 29 of the material tray 2 and the outer side of the box body 1 by bolts. The upper connecting rod 61 and the lower connecting rod 62 are fixed to the material tray 2 and the box body 1 respectively, and the material tray 2 is further limited to prevent the material tray 2 from experiencing bumps and jumps during the movement, which affects the sowing process. In this embodiment, the push-pull assembly 6 includes two groups of upper connecting rods 61, lower connecting rods 62 and gripping rods 63, and reinforcing rods 64 are connected between the upper connecting rods 61, between the lower connecting rods 62 and between the gripping rods 63. The reinforcing rods 64 connect the two groups of upper connecting rods 61, lower connecting rods 62 and gripping rods 63 to enhance the overall strength of the push-pull assembly 6.

[0049] In this embodiment, the driving wheel assembly 4 includes two driving wheels 41 and a transmission shaft 42 connected between the driving wheels 41. The transmission shaft 42 is passed through the box body 1. Both ends of the transmission shaft 42 protrude from the box body 1 and are fixedly connected to the two driving wheels 41 respectively. The driving wheel 41 drives the transmission shaft 42 to rotate during the rotation process, thereby driving the cam 5 to rotate. The transmission structure is simple and effective.

[0050] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A seed drill, characterized in that: It comprises a box body, the inner bottom of which is provided with a first discharge channel and a first clearance channel, a material tray is fixed in the box body, and at least one discharge port is provided at the top and bottom of the material tray, and the discharge port is located above the first discharge channel; A baffle is slidably arranged in the box body, the baffle is located between the first discharge channel and the discharge port, and a second discharge channel and a second clearance channel are opened on the baffle. A driving wheel assembly is provided on the box body, and at least one cam is sleeved on the transmission shaft of the driving wheel assembly, the cam corresponds to the position of the discharge port, the cam is located above the first make way channel and the second make way channel, and at least one protrusion is provided on the circumference of the cam, and the protrusion extends outward through the first make way channel and the second make way channel, and at least one push block is fixed on the baffle, and the push block corresponds to the cam one by one, and a reset piece is fixed on the end of the baffle, and the protrusion pushes the push block, thereby driving the second discharge channel on the baffle to be located in the same vertical extension direction as the discharge port and the first discharge channel.

2. The seed drill according to claim 1, characterized in that: Limiting rods are fixed on both sides of the bottom of the box body, and the limiting rods are spaced apart from the bottom surface of the box body to form a slide rail, and both ends of the baffle extend into the slide rail.

3. The seed drill according to claim 2, characterized in that: The bottom of the material tray is provided with a discharging protrusion protruding outward, the discharging port is opened on the discharging protrusion, the discharging protrusion and the side of the material tray form a step portion, and the step portion is in abutment contact with the top of the limiting rod.

4. The seed drill according to claim 1, characterized in that: One side of the material tray includes a vertical surface, a first inclined surface, a second inclined surface and a third inclined surface which are interconnected from top to bottom; the first inclined surface, the second inclined surface and the third inclined surface all have one side close to the vertical surface inclined downward to the other side.

5. The seed drill according to claim 4, characterized in that: The inclination angle of the first inclined surface is a, the inclination angle of the second inclined surface is b, the inclination angle of the third inclined surface is c, and the inclination angles of the first inclined surface, the second inclined surface and the third inclined surface are in a relationship of c>a>b.

6. The seed drill according to claim 5, characterized in that: A vibrating member is fixed to the outer side surface of the third inclined surface, and the vibrating member is located at the side of the discharge port.

7. The seed drill according to claim 2, characterized in that: The reset member comprises a spring, one end of the spring is fixedly connected to one end of the baffle, the other end of the spring is fixedly connected to the inner side surface of the box body, and the push block is located at the other end of the baffle.

8. The seed drill according to claim 7, characterized in that: The side of the push block close to the cam is an arc surface.

9. The seed drill according to claim 1, characterized in that: A convex eave protruding outward is arranged on the top peripheral side of the material tray, and the convex eave is in contact with the top of the box body.

10. The seed drill according to claim 9, characterized in that: A push-pull assembly is fixed on the box body, and the push-pull assembly includes an upper connecting rod, a lower connecting rod and a grip rod which are connected to each other. The free ends of the upper connecting rod and the lower connecting rod are fixedly connected to the convex eave side of the material tray and the outer side surface of the box body respectively.

Images