Multi-purpose potato planting machine

Abstract

The invention discloses a multipurpose potato planter, which relates to the technical field of agricultural machinery and comprises a square tube chassis, a feeding mechanism, a distribution mechanism, a dredging mechanism, tires, a plowshare and soil covering wheels. The feeding mechanism is fixedly arranged at the top of the square tube chassis and is used for conveying and elastically limiting seed potatoes; the distribution mechanism is fixedly arranged at the top of the square tube chassis, is connected with the output end of the feeding mechanism, and comprises a distribution rotary table, a U-shaped groove and a convex block, and the convex block is matched with a limiting elastic piece to realize accurate seed throwing of a single potato seed; the dredging mechanism reciprocates to prevent seed potatoes from accumulating at the outlet of the material box. Through combination of mechanical linkage and elastic limiting, the problems of easy damage of seed potatoes, uneven planting density, miss-seeding, blockage and the like of an existing seeder are solved, lossless, accurate and continuous seeding of the seed potatoes is realized, and the potato seeder is suitable for mechanical planting of tuber crops such as potatoes and the like.

Description

Technical Field

[0001] This invention relates to the field of agricultural machinery technology, specifically to a multi-purpose planting machine suitable for planting tuber crops such as potatoes. Background Technology

[0002] A potato planter is a specialized piece of equipment for mechanized planting, typically consisting of a seed box, seed metering device, seed delivery pipe, and furrow opener, capable of completing tasks such as furrowing, planting, and covering with soil. However, existing potato planters generally suffer from the following problems: 1. Seed metering devices are prone to seed potato detachment under bumpy field conditions, resulting in missed planting; 2. Seed potatoes are easily damaged by mechanical parts during transport and distribution, affecting germination rate; 3. Planting density control is inaccurate, easily leading to over- or under-planting; 4. Seed potatoes are prone to blockage or accumulation at the seed box outlet, affecting the continuity of planting operations. For example, Chinese Patent Publication No. CN201710203115.4 discloses a "one-way clutch type integrated planting and replanting potato planter," which uses a chain scoop type seed metering device. However, in actual operation, machine vibration easily causes seed potatoes to detach from the seed scoop, resulting in missed planting and affecting planting uniformity. Summary of the Invention

[0003] To achieve the above objectives, the present invention adopts the following technical solution: A multi-purpose potato planter includes a square tube chassis, a feeding mechanism, a distribution mechanism, a guiding mechanism, tires, a plow, and a soil-covering wheel.

[0004] The feeding mechanism is fixed to the top of the square tube chassis and is used to transport and elastically limit the seed potatoes in an orderly manner. Its core feature is the presence of a limiting spring, the V-shaped section of which can extend into the inside of the feeding square tube to apply controllable elastic pressure to the seed potatoes.

[0005] The dispensing mechanism is connected to the output end of the feeding mechanism and is used to achieve quantitative, single-potato dispensing. Its core component is a dispensing turntable, with multiple U-shaped grooves on the outer edge of the turntable for receiving seed potatoes, and protrusions between adjacent U-shaped grooves. During the rotation of the turntable, the protrusions contact the universal ball bearings of the feeding mechanism, driving the limiting springs to move, thereby ensuring that only one seed potato is allowed to enter when the U-shaped groove reaches the receiving position.

[0006] The guiding mechanism is used to prevent seed potatoes from accumulating and clogging at the outlet of the feeding box. It drives the guiding rod to reciprocate at the outlet of the feeding box through the rocker arm at the top of the rotating shaft, so as to achieve continuous unblocking.

[0007] The tires provide mobility for the entire machine and transmit the walking power to the distribution and guiding mechanisms through the sprocket-gear transmission system, thus achieving power integration.

[0008] The plow and the covering wheel respectively complete the hole-opening and soil-covering processes.

[0009] As a preferred embodiment of the present invention, the feeding mechanism includes: The square tube is fed into the base plate and fixedly installed on top of the square tube base plate. The slot is opened through the top of the feeding square tube near the feeding mechanism; A limiting spring is fixedly installed on the top of the feeding square tube and located outside the slot opening. The limiting spring includes a fixed section and a V-shaped section. The V-shaped section of the limiting spring extends into the inside of the feeding square tube through the slot. The thrust block is integrally molded and located at the end of the limiting spring near the feeding mechanism; The omnidirectional ball bearing is fixedly installed on the side of the thrust block near the feeding mechanism.

[0010] As a preferred embodiment of the present invention, the distributing mechanism includes: A distribution box is fixedly installed on the top of the square tube chassis. The distribution box is located at the end of the feeding square tube, and the interior of the distribution box is connected to the interior of the feeding square tube. The seeding tube is fixedly installed at the bottom of the distribution box at the end away from the feeding square tube, and the inside of the seeding tube is connected to the inside of the distribution box; The rotating shaft is vertically rotatable inside the dispensing box and is concentric with the dispensing box. The dispensing turntable is fixedly installed on the outer wall of the rotating shaft and located inside the dispensing box; Four bumps are fixedly installed on the top of the bumps, and the four bumps are distributed at equal angles. The height of the bumps corresponds to the height of the omnidirectional ball. Four U-shaped grooves are formed on the outer wall of the dispensing turntable, and the four U-shaped grooves are distributed at equal angles and located between two adjacent protrusions. As a preferred embodiment of the invention, the dispensing mechanism further includes: The driven helical gear is fixedly installed on the lower part of the outer wall of the rotating shaft; The driving helical gear meshes around the driven helical gear. The drive shaft is fixedly mounted on the inner wall of the drive helical gear; A driven sprocket is fixedly installed in the middle of the outer wall of the drive shaft. An axle is rotatably installed at the bottom of the square tube chassis. The tire is fixedly installed at both ends of the axle. The drive sprocket is fixedly mounted on the outer wall of the axle. The chain is fitted between the driven sprocket and the driving sprocket.

[0011] As a preferred embodiment of the present invention, the distributing mechanism further includes: The square tube frame is welded to the top of the square tube base. The bearing housing is fixedly installed at the bottom of the square tube frame, and the drive shaft is rotatably installed with the bearing housing via the bearing; A dust cover is fixedly installed on the top of a distribution box using fasteners. The distribution box is fixedly installed on the top of the dust cover. The rotating shaft is rotatably installed with the dust cover via a bearing with a seat.

[0012] As a preferred embodiment of the present invention, the feeding mechanism further includes: The drag block is integrally molded and set at the front and rear ends of the thrust block; A clearance groove is provided at the bottom of the feeding square tube near the dispensing round box; The torsion shaft is rotatably mounted on the bottom of the feeding square tube via a bracket. The torsion shaft is located outside the opening of the relief groove and on the side close to the dispensing round box. The flap is fixedly installed on the outer wall of the torsion shaft and located inside the clearance groove; Rocker arm one is fixedly installed at both ends of the torsion shaft; The pull rope is fixedly installed between the bottom of the support groove wheel and one end of the rocker arm away from the torsion shaft; The support groove wheel is mounted on one side of the feeding square tube near the support groove wheel and rotates up and down. The pull rope is wound between the upper and lower support groove wheels.

[0013] As a preferred embodiment of the present invention, a torsion spring is sleeved around the torsion shaft, and the torsion spring is fixedly installed between the bracket for fixing the torsion shaft at the bottom of the feeding square tube and the rocker arm. A stop block is fixedly installed at the bottom of the feeding square tube, and the stop block extends to the bottom of the torsion shaft. The bottom of the flip plate abuts against the top of the stop block.

[0014] As a preferred embodiment of the present invention, a support frame is fixedly installed on the top of the square tube frame, and a material box is fixedly installed on the top of the support frame. The material box is located on the top of the feeding square tube, and the output end of the material box is fixedly connected to the input end of the feeding square tube by bolts.

[0015] As a preferred embodiment of the present invention, the dredging mechanism includes: The guide frame is fixedly installed at the bottom of the support frame; The guide rod is slidably mounted inside the guide frame via a linear bearing and extends into the material box. The connecting angle plate is fixedly installed at the end of the guide rod away from the material box; A rectangular groove is cut through the bottom of the connecting corner plate; Rocker arm two is fixedly installed on the top of the rotating shaft; A rocker pin is fixedly installed at the top of the second rocker arm away from the pivot, and the outer wall of the rocker pin is slidably connected to the inner wall of the rectangular groove. The guide ball is fixedly installed at the end of the guide rod away from the connecting angle plate and located at the output port of the material box.

[0016] As a preferred embodiment of the present invention, a plowshare is fixedly installed at the bottom of the square tube chassis. The plowshare is used for making holes for planting potatoes. A soil covering wheel is rotatably installed at the bottom of the square tube chassis away from the plowshare. The soil covering wheel is used for covering soil.

[0017] (III) Beneficial Effects Compared with the prior art, the beneficial effects of the present invention are: 1. Precise control of planting density: The rotating distribution turntable of this invention drives multiple protrusions to rotate. When the protrusions rotate and come into contact with the balls of the universal rolling ball, the cam pushes the push block away from the distribution box, causing the V-shaped segment of the limiting spring to contract. During the contraction of the V-shaped segment of the limiting spring, a downward movement is generated, so that the limiting spring applies a slight pressure to the second seed potato near the output end of the feeding square tube. It is important to emphasize that when the protrusion initially contacts the universal rolling ball and acts on the movement of the push block, the U-shaped groove corresponding to the position of the protrusion has not yet reached the output end of the feeding square tube. That is to say, when the U-shaped groove reaches the output end of the feeding square tube, the limiting spring has already limited the second seed potato near the output end of the feeding square tube. Thus, when the U-shaped groove reaches the output end of the feeding square tube, only the last seed potato at the output end of the feeding square tube is allowed to enter the U-shaped groove, so as to avoid excessive potato planting density and achieve precise control of plant spacing.

[0018] 2. The movement of the thrust block in this invention also drives the drag block to move together, thereby pulling the rocker arm upward through the connection of the pull rope. The upward rotation of the rocker arm drives the torsion shaft and the flip plate to flip upward. At the same time, the torsion spring is compressed and stores elastic force, and the upward flip of the flip plate provides the initial force for the seed potato at the very end of the output end inside the feeding square tube to roll into the U-shaped groove. This ensures that the seed potato can roll into the U-shaped groove, so as to avoid the U-shaped groove being empty and resulting in sparse potato planting, thus improving the quality of potato planting.

[0019] 3. In this invention, the limiting spring is released from limiting the seed potato only after the U-shaped groove separates from the output end of the feeding square tube. Therefore, the seed potato will not come into contact with the opening end of the U-shaped groove during the rolling process of the seed potato at the output end of the feeding square tube, so as to prevent the opening end of the U-shaped groove from crushing the seed potato, thus ensuring that the seed potato will not be damaged and improving the survival rate of potato seed potatoes.

[0020] 4. In this invention, the rotating shaft drives the rocker arm 2 and the rocker arm pin to rotate. Since the rocker arm pin is slidably connected to the rectangular groove, the rocker arm pin pushes the guide rod to move back and forth along the inside of the guide frame through the connecting angle plate during the rotation of the rocker arm 2. The reciprocating movement of the guide rod drives the connecting angle plate to move back and forth together, which guides the seed potatoes at the output end of the material box, preventing the seed potatoes from accumulating at the output end of the material box and making it difficult to feed them, thereby ensuring uninterrupted planting and preventing planting omissions.

[0021] 5. Compact structure and efficient power utilization: The whole machine relies solely on the tractor's traction power to move forward, and drives all working parts through mechanical transmission. No additional power source is required, the structure is simple, and it is highly adaptable.

[0022] 6. Versatile and widely applicable: By replacing the U-shaped grooves of different sizes and adjusting the relevant components, this device can adapt to the sowing needs of different varieties and specifications of potatoes and other similar tuber crops. Attached Figure Description

[0023] Figure 1 This is a three-dimensional schematic diagram of the overall structure of an embodiment of the present invention. Figure 1 .

[0024] Figure 2 This is a three-dimensional schematic diagram of the overall structure of an embodiment of the present invention. Figure 2 .

[0025] Figure 3 for Figure 1 A partially enlarged structural diagram of the connection between the feeding mechanism and the distribution mechanism.

[0026] Figure 4 for Figure 3 A schematic diagram of the structure from the left front view.

[0027] Figure 5 A three-dimensional schematic diagram of the distribution box and its internal structure.

[0028] Figure 6 for Figure 5 An enlarged structural diagram of region A shows the contact relationship between the bump and the omnidirectional ball.

[0029] Figure 7 A schematic diagram of the three-dimensional structure of the distribution turntable.

[0030] Figure 8 This is a detailed structural diagram of the bottom flap assembly of the feeding mechanism.

[0031] Figure 9 for Figure 8 The side view sectional structural diagram shows the assembly relationship of the flap, torsion shaft, and torsion spring.

[0032] (In the diagram: 100, square tube chassis; 200, feeding mechanism; 201, feeding square tube; 202, slot; 203, limiting spring; 204, thrust block; 205, universal ball; 206, drag block; 207, clearance slot; 208, torsion shaft; 209, flap; 2010, rocker arm one; 2011, pull rope; 2012, support groove wheel; 2013, torsion spring; 2014, stop block; 2015, support frame; 2016, material box; 300, distribution mechanism; 301, distribution round box; 302, seeding tube; 303, rotating shaft; 304, distribution turntable;) 305. Protrusion; 306. U-shaped groove; 307. Driven helical gear; 308. Driving helical gear; 309. Drive shaft; 3010. Driven sprocket; 3011. Driving sprocket; 3012. Chain; 3013. Square tube frame; 3014. Bearing seat; 3015. Dust cover; 400. Dredging mechanism; 401. Guide frame; 402. Dredging rod; 403. Connecting angle plate; 404. Rectangular groove; 405. Rocker arm two; 406. Rocker arm pin; 407. Dredging ball; 500. Tire; 501. Wheel axle; 600. Plowshare; 700. Soil-covering wheel. Detailed Implementation The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings and examples. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] like Figures 1 to 9 As shown, the present invention provides a multi-purpose potato planter, mainly composed of a square tube chassis 100, a feeding mechanism 200, a distribution mechanism 300, a guiding mechanism 400, and tires 500. The feeding mechanism 200 is fixedly installed on the top of the square tube chassis 100 for feeding potatoes. The distribution mechanism 300 is fixedly installed on the top of the square tube chassis 100 and connected to the output end of the feeding mechanism 200 for discharging potatoes. The guiding mechanism 400 is fixedly installed on the top of the square tube chassis 100 to prevent accumulation inside the feeding mechanism 200. The tires 500 are rotatably installed on the bottom of the square tube chassis 100 for supporting and moving the square tube chassis 100. A plow 600 is fixedly installed on the bottom of the square tube chassis 100 for opening holes for potato planting. A soil covering wheel 700 is rotatably installed on the bottom of the square tube chassis 100 away from the plow 600 for covering soil.

[0034] For further details, please refer to [link / reference]. Figure 5 , Figure 7 , Figure 8 , Figure 9 As shown: The feeding mechanism 200 includes a feeding square tube 201, a slot 202, a limiting spring 203, a thrust block 204, and a universal ball 205. The feeding square tube 201 is fixedly installed on the top of the square tube chassis 100. The slot 202 is opened through the top of the feeding square tube 201 near the feeding mechanism 200. The limiting spring 203 is fixedly installed on the top of the feeding square tube 201 and is located outside the opening of the slot 202. The limiting spring 203 includes a fixed section and a V-shaped section. The V-shaped section of the limiting spring 203 extends into the inside of the feeding square tube 201 through the slot 202. The thrust block 204 is integrally formed and installed on the end of the limiting spring 203 near the feeding mechanism 200. The universal ball 205 is fixedly installed on the side surface of the thrust block 204 near the feeding mechanism 200. The dispensing mechanism 300 includes a dispensing circular box 301, a seeding tube 302, a rotating shaft 303, a dispensing turntable 304, a protrusion 305, a U-shaped groove 306, a driven helical gear 307, a driving helical gear 308, a transmission shaft 309, a driven sprocket 3010, a driving sprocket 3011, a chain 3012, and a square tube frame 3013. The dispensing circular box 301 is fixedly mounted on the top of the square tube base 100, located at the end of the feeding square tube 201, and its interior is connected to the interior of the feeding square tube 201. The seeding tube 302 is fixedly installed at the bottom of the dispensing circular box 301, away from the feeding square tube 201, and its interior is connected to the interior of the dispensing circular box 301. The rotating shaft 303 is vertical. The distribution turntable 304 is rotatably installed inside the distribution box 301 and concentric with the distribution box 301. It is fixedly installed on the outer wall of the rotating shaft 303 and located inside the distribution box 301. Four protrusions 305 are fixedly installed on their tops, equidistant from each other, with their heights corresponding to the heights of the universal ball bearings 205. Four U-shaped grooves 306 are formed on the outer wall of the distribution turntable 304, equidistant from each other, and located between adjacent protrusions 305. A driven helical gear 307 is fixedly installed on the lower part of the outer wall of the rotating shaft 303, and a driving helical gear 308 meshes with the driven helical gear 307. The drive shaft 3... 309 is fixedly installed on the inner wall of the driving helical gear 308, and the driven sprocket 3010 is fixedly installed on the middle of the outer wall of the drive shaft 309. A wheel axle 501 is rotatably mounted on the bottom of the square tube chassis 100. Tires 500 are fixedly installed at both ends of the wheel axle 501. The driving sprocket 3011 is fixedly installed on the outer wall of the wheel axle 501. A chain 3012 is sleeved between the driven sprocket 3010 and the driving sprocket 3011. A square tube frame 3013 is welded to the top of the square tube chassis 100. A bearing seat 3014 is fixedly installed on the bottom of the square tube frame 3013. The drive shaft 309 is rotatably mounted to the bearing seat 3014 via a bearing. A dust cover 3015 is fixedly installed on the top of the distribution box 301 via fasteners. The distribution box 301 is fixedly installed on the dust cover. The top of the cover 3015 is rotated, and the rotating shaft 303 is rotated and mounted to the dust cover 3015 via a bearing seat. A torsion spring 2013 is sleeved around the torsion shaft 208. The torsion spring 2013 is fixedly installed between the bracket that fixes the torsion shaft 208 at the bottom of the feeding square tube 201 and the rocker arm 2010. A stop block 2014 is fixedly installed at the bottom of the feeding square tube 201. The stop block 2014 extends to the bottom of the torsion shaft 208. The bottom of the flip plate 209 abuts against the top of the stop block 2014. A support frame 2015 is fixedly installed on the top of the square tube frame 3013. A material box 2016 is fixedly installed on the top of the support frame 2015. The material box 2016 is located on the top of the feeding square tube 201, and the output end of the material box 2016 is fixedly connected to the input end of the feeding square tube 201 by bolts.

[0035] Specifically, the planter is connected to the traction section of an agricultural tractor, and the tractor pulls the planter to move it for potato planting. During this process, the plow 600 creates planting holes for the potatoes. The seed potatoes are placed inside the feed box 2016 and roll down into the feed tube 201. It is important to note that the feed tube 201 is larger than the volume of a single seed potato; therefore, only one seed potato can enter the feed tube 201 at a time. Simultaneously, the planter moves under the tractor's traction, causing its two tires 500 to roll and rotate the axle 501 and the drive sprocket 3011. The rotation of the drive sprocket 3011, connected by the chain 3012, drives the driven sprocket 3010 and the transmission... Shaft 309 rotates inside bearing housing 3014. Simultaneously, the rotation of drive shaft 309, through the meshing of driving helical gear 308 and driven helical gear 307, drives rotating shaft 303 along with distribution turntable 304 to rotate. The rotation of distribution turntable 304 drives multiple protrusions 305 and multiple U-shaped grooves 306 to rotate together. When the U-shaped groove 306 rotates to the output end of feeding square tube 201, a seed potato inside feeding square tube 201 enters the U-shaped groove 306. Afterwards, as distribution turntable 304 continues to rotate, the outer wall of distribution turntable 304 blocks the output end of feeding square tube 201, and the remaining seed potatoes inside feeding square tube 201 remain inside feeding square tube 201, waiting for the next U-shaped groove 306 to rotate to the end of feeding square tube 201 again. Then, it enters the U-shaped groove 306 and repeats this cycle. As the U-shaped groove 306 rotates with the distribution turntable 304, it moves the seed potatoes inside along the distribution box 301 towards the planting tube 302. Once the seed potatoes reach the top of the planting tube 302, they fall into the pit under gravity along the inner wall of the planting tube 302. Then, the covering wheel 700, which moves with the square tube chassis 100, covers the pit with soil, thus covering the seed potatoes. It should be noted that when the protrusion 305 rotates and contacts the ball of the universal ball 205, the cam pushes the push block 204 away from the distribution box 301, causing the V-shaped section of the limiting spring 203 to contract. During the contraction of the V-shaped section of the limiting spring 203, it produces downwards. A slight movement is generated so that the limiting spring 203 applies a slight pressure to the second seed potato near the output end of the feeding square tube 201. It is important to emphasize that when the protrusion 305 initially contacts the universal ball 205 and acts on the thrust block 204 to move, the U-shaped groove 306 corresponding to the position of the protrusion 305 has not yet reached the output end of the feeding square tube 201. That is to say, when the U-shaped groove 306 reaches the output end of the feeding square tube 201, the limiting spring 203 has already limited the second seed potato near the output end of the feeding square tube 201. Thus, when the U-shaped groove 306 reaches the output end of the feeding square tube 201, only the seed potato at the very end of the output end of the feeding square tube 201 is allowed to enter the U-shaped groove 306, so as to avoid excessive potato planting density.

[0036] For further details, please refer to [link / reference]. Figure 8 , Figure 9 As shown: The feeding mechanism 200 also includes a drag block 206, a clearance groove 207, a torsion shaft 208, a flap 209, a rocker arm 2010, a pull rope 2011, and a support wheel 2012. The drag block 206 is integrally formed and is located at the front and rear ends of the thrust block 204. The clearance groove 207 is opened at the bottom of the feeding square tube 201 near the distribution box 301. The torsion shaft 208 is rotatably mounted on the bottom of the feeding square tube 201 via a bracket. The torsion shaft 208 is located outside the opening of the clearance groove 207 and close to the distribution box 301. On one side of the round box 301, the flap 209 is fixedly installed on the outer wall of the torsion shaft 208 and located inside the relief groove 207. The rocker arm 2010 is fixedly installed at both ends of the torsion shaft 208. The pull rope 2011 is fixedly installed between the bottom of the support groove wheel 2012 and the end of the rocker arm 2010 away from the torsion shaft 208. The support groove wheel 2012 is installed on the side of the feeding square tube 201 close to the support groove wheel 2012 and rotates up and down. The pull rope 2011 is wound between the upper and lower support groove wheels 2012.

[0037] Specifically, the movement of the thrust block 204 also causes the drag block 206 to move together, thereby pulling the rocker arm 2010 upward through the pull rope 2011. The upward rotation of the rocker arm 2010 causes the torsion shaft 208 and the flip plate 209 to flip upward. At the same time, the torsion spring 2013 is compressed and stores elastic force, while the flip plate 209... The upward flip provides an initial force for the seed potato at the very end of the output end inside the feeding square tube 201 to roll into the U-shaped groove 306, thus ensuring that the seed potato can roll into the U-shaped groove 306. This prevents the U-shaped groove 306 from being empty, which would result in sparse potato planting and improve the quality of potato planting. When the U-shaped groove 306 rotates away from the output end of the feeding square tube 201, the protrusion 305 separates from the universal ball 205. Under its own rebound force, the limiting spring 203 pushes the thrust block 204, the universal ball 205, and the drag block 206 to reset, and the V-shaped section of the limiting spring 203 returns to its original state. The seed potatoes pressed by the tube 201 roll towards the output end of the tube 201 under the pressure of the remaining seed potatoes inside the tube 201, and come into contact with the outer wall of the push block 204, waiting to enter the next U-shaped groove 306. It should be noted that the limiting spring 203 only releases the limiting of the seed potatoes after the U-shaped groove 306 separates from the output end of the tube 201. Therefore, the seed potatoes will not come into contact with the opening end of the U-shaped groove 306 during the rolling process towards the output end of the tube 201, so as to prevent the opening end of the U-shaped groove 306 from crushing the seed potatoes, ensuring that the seed potatoes are not damaged and improving the survival rate of potato seed potatoes.

[0038] For further details, please refer to [link / reference]. Figure 5 , Figure 6 As shown: The guiding mechanism 400 includes a guide frame 401, a guiding rod 402, a connecting angle plate 403, a rectangular groove 404, a second rocker arm 405, a rocker arm pin 406, and a guiding ball 407. The guide frame 401 is fixedly installed at the bottom of the support frame 2015. The guiding rod 402 is slidably installed inside the guide frame 401 via a linear bearing and extends movably into the material box 2016. The connecting angle plate 403 is fixedly installed at the end of the guiding rod 402 away from the material box 2016. The rectangular groove 404 is opened through the bottom of the connecting angle plate 403. The second rocker arm 405 is fixedly installed at the top of the rotating shaft 303. The rocker arm pin 406 is fixedly installed at the top of the second rocker arm 405 away from the rotating shaft 303. The outer wall of the rocker arm pin 406 is slidably connected to the inner wall of the rectangular groove 404. The guiding ball 407 is fixedly installed at the end of the guiding rod 402 away from the connecting angle plate 403 and is located at the output port of the material box 2016.

[0039] Specifically, during the rotation of the rotating shaft 303, the rocker arm 405 and the rocker pin 406 are also rotated together. Since the rocker pin 406 is slidably connected to the rectangular groove 404, the rocker pin 406 pushes the guide rod 402 to move back and forth along the inside of the guide frame 401 through the connecting angle plate 403 while the rocker arm 405 is rotating. The reciprocating movement of the guide rod 402 drives the connecting angle plate 407 to move back and forth together, which guides the seed potatoes at the output end of the material box 2016, preventing the seed potatoes from accumulating at the output end of the material box 2016 and making it difficult to feed them, thereby ensuring uninterrupted planting and preventing planting omissions.

[0040] This solution describes a potato planting machine with a mulch film. When in operation, the machine is connected to the traction section of an agricultural tractor. The tractor pulls the machine to move it, thus planting potatoes. During this process, the plow head 600 creates holes for planting potatoes. During planting, seed potatoes are placed inside the feed box 2016 and roll down into the feed tube 201. It should be noted that the feed tube 201 of this machine is larger than the volume of a single seed potato, therefore, only one seed potato can enter the feed tube 201 at a time. Meanwhile, the planter moves under the tractor's traction, causing its two tires 500 to roll and drive the axle 501 and drive sprocket 3011 to rotate. The rotation of the drive sprocket 3011, connected by the chain 3012, drives the driven sprocket 3010 and drive shaft 309 to rotate inside the bearing housing 3014. Simultaneously, the rotation of the drive shaft 309, through the meshing of the drive helical gear 308 and the driven helical gear 307, drives the rotating shaft 303 along with the distribution turntable 304 to rotate. The rotation of the distribution turntable 304 drives multiple protrusions 305 and multiple U-shaped grooves 306 to rotate together. When the U-shaped groove 306 rotates to the output end of the feeding square tube 201, a seed potato inside the feeding square tube 201 enters the U-shaped groove 306. Then, with... As the distribution turntable 304 continues to rotate, the outer wall of the distribution turntable 304 blocks the output end of the feeding square tube 201, and the remaining seed potatoes inside the feeding square tube 201 remain inside the feeding square tube 201, waiting for the next U-shaped groove 306 to rotate to the end of the feeding square tube 201 again, and then enter the U-shaped groove 306, and so on. While the distribution turntable 304 is rotating, the U-shaped groove 306 moves the seed potatoes inside it along the inside of the distribution box 301 towards the planting tube 302, until the seed potatoes move to the top of the planting tube 302. Under the action of gravity, the seed potatoes fall into the pit along the inner wall of the planting tube 302. Then, the soil covering wheel 700, which moves with the square tube base 100, will cover the pit with soil, covering the seed potatoes in the pit. It should be noted that when the protrusion 305 rotates and contacts the ball of the universal ball 205, it pushes the thrust block 204 away from the distribution box 301 under the action of the cam thrust, causing the V-shaped segment of the limiting spring 203 to contract. During the contraction of the V-shaped segment of the limiting spring 203, a downward movement is generated, so that the limiting spring 203 applies a slight pressure to the second seed potato near the output end of the feeding square tube 201. It is particularly important to emphasize that when the protrusion 305 initially contacts the universal ball 205 and acts on the movement of the thrust block 204, the U-shaped groove 306 corresponding to the position of the protrusion 305 has not yet reached the output end of the feeding square tube 201. That is to say, when the U-shaped groove 306... When the 06th seed potato reaches the output end of the feeding square tube 201, the limiting spring 203 has already limited the second seed potato closest to the output end of the feeding square tube 201. Therefore, when the U-shaped trough 306 reaches the output end of the feeding square tube 201, only the last seed potato at the very end of the feeding square tube 201 is allowed to enter the U-shaped trough 306, preventing excessive potato planting density. Simultaneously, the movement of the thrust block 204 also moves the drag block 206, thereby pulling the rocker arm 2010 upwards via the pull rope 2011. The upward rotation of the rocker arm 2010 causes the torsion shaft 208 and the flip plate 209 to flip upwards. At the same time, the torsion spring 2013 is compressed, accumulating elastic force, while the flip plate 209... The upward flip provides an initial force for the seed potato at the very end of the output end inside the feeding square tube 201 to roll into the U-shaped groove 306, thus ensuring that the seed potato can roll into the U-shaped groove 306. This prevents the U-shaped groove 306 from being empty, which would result in sparse potato planting and improve the quality of potato planting. When the U-shaped groove 306 rotates away from the output end of the feeding square tube 201, the protrusion 305 separates from the universal ball 205. Under its own rebound force, the limiting spring 203 pushes the thrust block 204, the universal ball 205, and the drag block 206 to reset, and the V-shaped section of the limiting spring 203 returns to its original state. The seed potatoes pressed inside the feeding square tube 201 are squeezed and rolled to the end of the output end of the feeding square tube 201, contacting the outer wall of the push block 204, and waiting to enter the next U-shaped groove 306. It should be noted that since the limiting spring 203 only releases the limiting of the seed potatoes after the U-shaped groove 306 separates from the output end of the feeding square tube 201, the seed potatoes will not contact the opening end of the U-shaped groove 306 during the rolling process of the seed potatoes to the end of the output end of the feeding square tube 201, so as to prevent the opening end of the U-shaped groove 306 from crushing the seed potatoes, ensuring that the seed potatoes are not damaged and improving the survival rate of potato seed potatoes. During this process, the rotating shaft 303 also drives the rocker arm 405 and the rocker pin 406 to rotate together. Since the rocker pin 406 is slidably connected to the rectangular groove 404, the rocker pin 406 pushes the guide rod 402 to move back and forth along the inside of the guide frame 401 through the connecting angle plate 403 while the rocker arm 405 is rotating. The reciprocating movement of the guide rod 402 drives the connecting angle plate 407 to move back and forth together, which guides the seed potatoes at the output end of the material box 2016, preventing the seed potatoes from accumulating at the output end of the material box 2016 and making it difficult to feed, thereby ensuring uninterrupted planting and preventing planting omissions.

[0041] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the invention.

Claims

1. A multi-purpose potato planting machine, characterized in that, include: Square tube chassis (100); The feeding mechanism (200) is fixedly installed on the top of the square tube chassis (100) and is used to transport and limit the potato seed tubes; The dispensing mechanism (300) is fixedly installed on the top of the square tube chassis (100) and connected to the output end of the feeding mechanism (200) for quantitative dispensing and feeding of seed potatoes; The drainage mechanism (400) is fixedly installed on the top of the square tube chassis (100) to prevent seed potatoes from accumulating during the feeding process; The tire (500) is rotatably mounted at the bottom of the square tube chassis (100) and is used for moving the whole machine and transmitting power; A plowshare (600) is fixedly installed at the bottom of the square tube base (100) and is used to open holes; A soil-covering wheel (700) is rotatably mounted at the bottom of the square tube chassis (100) for covering with soil.

2. The multi-purpose potato planter according to claim 1, characterized in that: The feeding mechanism (200) includes: The feeding square tube (201) is fixedly installed on the top of the square tube base (100); A slot (202) is formed at one end of the top of the feeding square tube (201) near the distribution mechanism (300); A limiting spring (203) is fixedly installed on the top of the feeding square tube (201), and its V-shaped section extends into the inside of the feeding square tube (201) through the slot (202) for elastically limiting the seed potato; The thrust block (204) is integrally formed on one end of the limiting spring (203) near the distribution mechanism (300); The universal ball bearing (205) is fixedly installed on the side of the thrust block (204) near the distribution mechanism (300).

3. The multi-purpose potato planter according to claim 2, characterized in that: The distribution mechanism (300) includes: A distribution box (301) is fixedly installed on the top of the square tube chassis (100), and its interior is connected to the output end of the feeding square tube (201); The seeding tube (302) is fixedly installed at the bottom of the distribution box (301); A rotating shaft (303) is vertically rotatably installed inside the distribution box (301); A distribution turntable (304) is fixedly mounted on the rotating shaft (303) and located inside the distribution box (301); Four protrusions (305) are fixedly installed at equal angles on the top of the distribution turntable (304), and their height corresponds to that of the universal ball (205); Four U-shaped grooves (306) are equally spaced on the outer edge of the distribution turntable (304) and located between adjacent protrusions (305).

4. The multi-purpose potato planter according to claim 3, characterized in that: The distribution mechanism (300) further includes a power transmission assembly comprising: The driven helical gear (307) is fixedly installed on the lower part of the rotating shaft (303); The driving helical gear (308) meshes with the peripheral side of the driven helical gear (307); The drive shaft (309) is fixedly connected to the inner wall of the drive helical gear (308); Driven sprocket (3010) is fixedly installed on the middle part of the outer wall of the drive shaft (309), and a wheel axle (501) is rotatably installed on the bottom of the square tube chassis (100). The drive sprocket (3011) is fixedly installed on the outer wall of the axle (501), and the tire (500) is installed at both ends of the axle (501); A chain (3012) is sleeved between the driven sprocket (3010) and the driving sprocket (3011).

5. The multi-purpose potato planter according to claim 3, characterized in that: The feeding mechanism (200) also includes a flap assembly, which comprises: The drag block (206) is integrally formed on the front and rear ends of the thrust block (204); A clearance groove (207) is provided at one end of the bottom of the feeding square tube (201) near the dispensing round box (301); A torsion shaft (208) is rotatably mounted on the bottom of the feeding square tube (201) via a bracket, located outside the opening of the relief groove (207), and a torsion spring (2013) is sleeved on the side near the distribution box (301). The torsion spring (2013) is fixedly mounted between the bracket that fixes the torsion shaft (208) at the bottom of the feeding square tube (201) and the rocker arm (2010). A stop block (2014) is fixedly mounted on the bottom of the feeding square tube (201), extending to the bottom of the torsion shaft (208). The bottom of the flap (209) abuts against the top of the stop block (2014). A flap (209) is fixedly installed on the torsion shaft (208) and located in the relief groove (207); a rocker arm (2010) is fixedly installed at both ends of the torsion shaft (208); A pull rope (2011) is fixedly installed at the bottom of the support groove wheel (2012) and connects the drag block (206) and the rocker arm (2010). A support groove wheel (2012) is rotatably mounted on the side of the feeding square tube (201) and is used to guide the pull rope (2011). A torsion spring (2013) is sleeved on the torsion shaft (208) for resetting the flap (209).

6. The multi-purpose potato planter according to claim 5, characterized in that, The feeding mechanism (200) further includes a material box (2016), which is fixedly installed on the top of the square tube chassis (100) by a support frame (2015), and its output end is connected to the input end of the feeding square tube (201).

7. The multi-purpose potato planter according to claim 6, characterized in that: The diversion mechanism (400) includes: The guide frame (401) is fixedly installed at the bottom of the support frame (2015); The guide rod (402) is slidably mounted in the guide frame (401) via a linear bearing and extends movably into the interior of the material box (2016); A connecting angle plate (403) is fixedly installed at the end of the guide rod (402) away from the material box (2016); A rectangular groove (404) is formed through the bottom of the connecting corner plate (403); Rocker arm two (405) is fixedly installed on the top of the rotating shaft (303); The rocker pin (406) is fixedly installed at the end of the rocker arm (405) away from the rotating shaft (303) and is slidably connected to the rectangular groove (404); The guide ball (407) is fixedly installed at the end of the guide rod (402) away from the connecting angle plate (403), and at the end that extends into the material box (2016), and at the material box outlet.

8. The multi-purpose potato planter according to any one of claims 1-7, characterized in that, The number of U-shaped grooves (306) is four, the number of protrusions (305) is four, and they are arranged alternately at equal angles along the circumference of the distribution turntable (304).

9. The multi-purpose potato planter according to claim 3, characterized in that, It also includes a dust cover (3015), which is fixedly installed on the top of the distribution box (301) by fasteners, and the rotating shaft (303) is rotatably connected to the dust cover (3015) by a bearing seat.

10. The multi-purpose potato planter according to claim 1, characterized in that, The square tube chassis (100) is equipped with a plowshare (600) at its bottom, which is used for making holes for potato planting. A soil covering wheel (700) is rotatably mounted at the end of the square tube chassis (100) away from the plowshare (600), which is used for covering soil. A bearing seat (3014) and a square tube frame (3013) are also provided to support the drive shaft (309) and the support frame (2015).

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