Agricultural planting quantitative seed sowing device

Abstract

The present application relates to the technical field of agricultural planting, and particularly relates to a quantitative seed sowing device for agricultural planting, which comprises a shell, a loading cylinder fixed to the shell and used for placing seeds, walking wheels I rotatably connected to both sides of the shell, a mounting frame installed on the shell, walking wheels II rotatably connected to the mounting frame, and a driving motor installed on the inner side of the shell. The device is moved to the left by starting the walking wheels I to reverse, the walking wheels I drive the double-layer disc to reverse, the seed sowing cylinder moves up and down, the piston rod also moves up and down, the piston rod makes the annular air bag continuously expand and contract through the hose, the seed falls down for sowing when the annular air bag contracts, the seed is blocked when the annular air bag expands, and the seed in the middle of the annular air bag is clamped by the annular air bag to prevent the seed from being broken due to hard clamping, so that the seed is completely and quantitatively sowed, and the sowing quality and safety are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of agricultural planting, in particular to a quantitative seed sowing device for agricultural planting. Background Art

[0002] In agricultural planting, sowing is a vital link, which is directly related to the growth, yield and quality of crops. In order to improve the efficiency of sowing, sowing machines are used instead of manual sowing.

[0003] A Chinese patent with announcement number CN112970384B discloses an agricultural planting and sowing machine, whose structure includes a driver, a fixed plate, a sowing box, and a movable wheel. The driver is installed at the upper end position of the fixed plate, the movable wheel passes through the internal position of the sowing box, and the sowing box is embedded in the internal position of the fixed plate; the sowing box includes a box body, a lower row cavity, and a driving wheel. The lower row cavity and the box body are an integrated structure, and the driving wheel is engaged with the internal movement of the box body. Although the above patent can sow seeds in a quantitative manner by rotating the driving wheel, when the seeds move to the feed port position formed between the driving wheel and the box body, the seeds have not yet entered the conveying area, and a "shear zone" is easily formed at the feed port. The seeds are easily squeezed by the driving wheel and broken, affecting the sowing quality and safety.

[0004] The present invention aims to solve the problems existing in the above patents. To this end, a quantitative sowing device for agricultural planting is proposed, which can sow seeds completely and quantitatively, thereby improving the sowing quality and safety. Summary of the Invention

[0005] In order to overcome the disadvantage that when the seeds move to the feed port formed between the driving wheel and the box body, the seeds have not yet entered the conveying area, and a "shear zone" is easily formed at the feed port, and the seeds are easily squeezed by the driving wheel and broken, which affects the sowing quality and safety, the present invention provides a quantitative sowing device for agricultural planting, which can ensure the complete and quantitative sowing of seeds, thereby improving the sowing quality and safety.

[0006] The present invention is achieved through the following technical solutions:

[0007] The lifting mechanism is a kind of lifting mechanism that lifts up and down of lifting mechanism, and the lifting mechanism of lifting mechanism is a kind of lifting mechanism that lifts up and down of lifting mechanism.

[0008] Further explanation, the lifting assembly includes a sliding frame fixed between the spreading barrels, a waist-shaped hole plate fixed to the bottom of the sliding frame, a double-layer disk fixed between the ends of the walking wheel I, and the eccentric position of the double-layer disk is slidably connected to the inner side of the waist-shaped hole plate to drive the sliding frame to move.

[0009] Further explanation, the suction assembly includes a cylinder body fixed on both sides of the shell, a piston rod is slidably connected to the inside of the cylinder body, a connecting spring is symmetrically connected between the piston rod and the cylinder body, the cylinder body is connected to the tail end of the hose, an L-shaped rod is slidably connected to the spreading barrel, a supporting spring is connected between the L-shaped rod and the spreading barrel, the elastic coefficient of the supporting spring is greater than the elastic coefficient of the connecting spring, the L-shaped rod is in contact with the bottom of the piston rod, and is used to limit the piston rod, a screw rod is fixed on the spreading barrel and slides through the L-shaped rod, and a nut located above the L-shaped rod is threadedly connected to the screw rod to drive the L-shaped rod to move.

[0010] Further explanation, the auxiliary component includes a trenching plate that is slidably connected between the two sides of the shell. The trenching plate is set at an angle to trench the land. Cylinders are installed on both sides of the shell. The ends of the telescopic rods of the cylinders are fixedly connected to the trenching plates. L-shaped plates are symmetrically connected to the mounting frame for rotation. Beating plates are fixed between the L-shaped plates to beat the covered soil. Buffer springs are symmetrically connected between the beating plates and the mounting frame. Covering plates corresponding to the trenching plates are symmetrically fixed to the bottom of the mounting frame. A driving component is provided between the shell and the L-shaped plate to drive the L-shaped plate to swing.

[0011] Further explanation, the drive assembly includes a rotating shaft that is rotatably connected between the two sides of the shell, and the rotating shaft is connected to one of the walking wheels I through a gear set. Turntables are fixedly mounted on both ends of the rotating shaft, and a fixed rod is fixedly connected to the eccentric position of the turntable. A connecting plate is rotatably connected between the fixed rod and the L-shaped plate.

[0012] Further explanation, the quantitative sowing device for agricultural planting also includes a collecting component, which includes evenly spaced guide plates fixed to both sides of the spreading barrel to guide the air, a three-way pipe is connected between the spreading barrels, and the air outlet end of the three-way pipe corresponds to one of the guide plates on one side, and a suction pipe is connected between the spreading barrels, and the suction pipe corresponds to the guide plate on the other side. A fixed frame is fixed on the mounting frame, and the fixed frame is connected to the air outlet end of the suction pipe. A breathable bag is placed inside the fixed frame, and the feed end of the breathable bag is clamped with the air outlet end of the suction pipe for collecting impurities. A blowing component is provided on the shell to discharge air into the three-way pipe.

[0013] Further explanation, the blowing assembly includes an air pump installed on the inside of the shell, the air outlet end of the air pump is connected to the air inlet end of the three-way pipe, the air suction end of the air pump is connected to the air suction pipe, and the air suction end of the air suction pipe is fixedly connected to the fixed frame.

[0014] To further illustrate, the quantitative seed sowing device for agricultural planting also includes a transparent scale fixedly connected to the loading barrel for indicating the amount of seeds in the loading barrel.

[0015] The beneficial effects of the present invention are:

[0016] 1. By pouring the seeds into the loading barrel, the seeds are blocked by the annular airbag, and then the walking wheel I is started to reverse to make the device move to the left. The walking wheel I drives the double-layer disk to reverse, and the double-layer disk drives the waist-shaped hole plate to move up and down, which makes the spreading barrel move up and down, and also makes the piston rod move up and down. The piston rod makes the annular airbag continuously expand and contract through the hose. The annular airbag contracts and makes the seeds fall down for sowing. The annular airbag expands to block the seeds, and the seeds in the middle of the annular airbag are buffered and clamped by the annular airbag to prevent the seeds from being broken by hard clamping, so that the seeds can be completely and quantitatively sown, improving the sowing quality and safety.

[0017] 2. Through the functions of the trenching plate, covering plate and slapping plate, the trenching plate can complete the trenching of the land, the seeds are sown into the trench, the covering plate pushes the soil into the trench to cover the seeds, and then the slapping plate pats the covered soil to make it compact. This process is repeated to continuously complete the integrated processing of trenching, quantitative sowing and covering, thereby improving the overall efficiency.

[0018] 3. Under the action of the collecting component, the blown air can be used to remove and collect impurities in the seeds, which can prevent the impurities in the seeds from mixing into the soil and affecting water penetration, air permeability and microbial environment, and even breeding mold, further inhibiting the germination of healthy seeds and the growth of seedlings, thereby ensuring a safe growth environment for the seeds. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0020] Figure 2 It is a schematic cross-sectional structural diagram of the housing of the present invention.

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the double-layer disk, guide frame and spreading barrel of the present invention.

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the cylinder and the annular airbag of the present invention.

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the support spring and nut of the present invention.

[0024] Figure 6 It is a schematic diagram of the three-dimensional structure of the auxiliary component of the present invention.

[0025] Figure 7 It is a schematic diagram of the three-dimensional structure of the cover plate of the present invention.

[0026] Figure 8 It is a schematic diagram of the three-dimensional structure of the collecting component of the present invention.

[0027] Figure 9 It is a schematic diagram of the three-dimensional structure of the three-way pipe and the material extraction pipe of the present invention.

[0028] Figure 10 It is a schematic diagram of the three-dimensional structure of the fixing frame and the breathable bag of the present invention.

[0029] Figure 11 Schematic diagram of the three-dimensional structure of the transparent scale of the present invention.

[0030] In the above figures: 1: housing, 2: charging barrel, 3: walking wheel I, 4: mounting frame, 5: walking wheel II, 6: driving motor, 7: guide frame, 8: spreading barrel, 9: hose, 10: cylinder, 101: annular airbag, 11: double-layer disk, 111: sliding frame, 112: waist-shaped orifice plate, 14: cylinder body, 141: piston rod, 142: connecting spring, 143: L-shaped rod, 144: screw, 145: support spring, 146: Nut, 16: Cylinder, 161: Ditching plate, 162: Covering plate, 163: L-shaped plate, 164: Flapping plate, 165: Buffer spring, 166: Rotating shaft, 167: Turntable, 168: Fixed rod, 169: Connecting plate, 17: Guide plate, 171: T-tube, 172: Extraction pipe, 173: Air pump, 174: Exhaust pipe, 175: Fixed frame, 176: Breathable bag, 18: Transparent ruler. DETAILED DESCRIPTION

[0031] The present invention will be further described below with reference to specific embodiments. The illustrative embodiments and descriptions of the present invention are used to explain the present invention but are not intended to limit the present invention.

[0032] Example: A quantitative seed sowing device for agricultural planting, please refer to Figure 1-Figure 7 As shown, it includes a shell 1 and a loading barrel 2 fixed to the middle of the outer top of the shell 1, the loading barrel 2 can be used to place seeds, and the lower parts of the front and rear sides of the shell 1 are rotatably connected with walking wheels Ⅰ3, and a mounting frame 4 is installed on the lower part of the right side of the outer shell 1. The right side of the mounting frame 4 is rotatably connected to the walking wheel Ⅱ5, and a driving motor 6 is installed on the upper right side of the shell 1. The output shaft of the driving motor 6 is connected to the middle of the front walking wheel Ⅰ3 through a synchronous belt assembly. It also includes a guide frame 7, a spreading barrel 8, a hose 9, a cylinder 10, an annular airbag 101, a lifting assembly, a suction assembly and an auxiliary assembly. The guide frame 7 is symmetrically fixed to the front and rear top of the shell 1, and the inner sides of the front and rear guide frames 7 are vertically slidably connected with the spreading barrel 8, which can spread seeds into the soil. Inside, a lifting assembly is provided between the spreading barrel 8 and the walking wheel Ⅰ3. When the lifting assembly is in operation, the lifting assembly can drive the spreading barrel 8 to move up and down. Cylinders 10 are fixedly connected with the top of the shell 1 symmetrically in the front and back. The cylinders 10 on the front and rear sides correspond to the spreading barrel 8 and the loading barrel 2. An annular airbag 101 is fixedly connected to the inside of the cylinder 10 along the circumferential direction. A hose 9 is connected to the annular airbags 101 on the front and rear sides. The tail end of the hose 9 passes through the shell 1. A suction assembly is provided between the hose 9 and the shell 1. The suction assembly is used to suck the air in the annular airbag 101 so that the annular airbag 101 expands to buffer and clamp the seeds. An auxiliary assembly is provided between the shell 1 and the mounting frame 4. When the auxiliary assembly is in operation, the auxiliary assembly can realize ditching and covering the land.

[0033] See also Figure 3 As shown, the lifting assembly includes a double-layer disc 11, a sliding frame 111 and a waist-shaped hole plate 112. The sliding frame 111 is fixedly connected between the sides of the front and rear spreading barrels 8 that are close to each other. The waist-shaped hole plate 112 is fixedly connected to the bottom of the sliding frame 111. The double-layer disc 11 is fixedly connected between the ends of the front and rear walking wheels Ⅰ3 that are close to each other. The eccentric position of the double-layer disc 11 is slidably connected to the inner side of the waist-shaped hole plate 112. When the double-layer disc 11 rotates, the double-layer disc 11 can drive the sliding frame 111 to move up and down.

[0034] See also Figure 4 and Figure 5As shown, the suction assembly includes a cylinder body 14, a piston rod 141, a connecting spring 142, an L-shaped rod 143, a screw 144, a support spring 145 and a nut 146. The cylinder body 14 is fixed to the middle of the front and rear side surfaces of the shell 1. The piston rod 141 is slidably connected to the inside of the cylinder body 14. The connecting spring 142 is symmetrically connected between the upper part of the piston rod 141 and the bottom of the cylinder body 14. The tops of the front and rear cylinder bodies 14 are respectively connected to the tail ends of the front and rear hoses 9. The sides of the front and rear spreading barrels 8 are slidably connected to the L-shaped rod 143 away from each other. The bottom of the L-shaped rod 143 is connected to the spreading barrel A support spring 145 is connected between the inner sides of the barrel 8. The elastic coefficient of the support spring 145 is greater than the elastic coefficient of the connecting spring 142. The front and rear L-shaped rods 143 are in contact with the bottom of the front and rear piston rods 141 respectively. The L-shaped rod 143 can limit the piston rod 141. The front and rear material barrels 8 are fixed with screws 144 on the sides away from each other. The screw 144 slides through the L-shaped rod 143. A nut 146 is threadedly connected to the screw 144. The nut 146 is located above the L-shaped rod 143. The nut 146 can drive the L-shaped rod 143 to move downward.

[0035] See also Figure 6 and Figure 7 As shown, the auxiliary components include a cylinder 16, a ditching plate 161, a covering plate 162, an L-shaped plate 163, a slapping plate 164, a buffer spring 165 and a driving component. A ditching plate 161 is slidably connected between the lower left side of the front and rear side surfaces of the shell 1. The ditching plate 161 is tilted and can be used to ditch the land. Cylinders 16 are installed on the upper left side of the front and rear side surfaces of the shell 1. The ends of the telescopic rods of the cylinders 16 on the front and rear sides are fixedly connected to the top of the ditching plate 161. The L-shaped plate 163 is symmetrically connected to the mounting frame 4 for front and rear rotation. A slapping plate 164 is fixed between the right sides of the front and rear L-shaped plates 163. When the slapping plate 164 swings up and down, it can slap the covered soil. The top of the slapping plate 164 is symmetrical with the right side of the mounting frame 4. It is connected to a buffer spring 165, and a covering plate 162 is symmetrically fixed to the front and rear bottom of the mounting frame 4. The covering plate 162 corresponds to the ditching plate 161. A driving assembly is provided between the shell 1 and the L-shaped plate 163. When the driving assembly is in operation, the driving assembly can drive the L-shaped plate 163 to swing up and down; the driving assembly includes a rotating shaft 166, a turntable 167, a fixing rod 168 and a connecting plate 169. The rotating shaft 166 is rotatably connected between the upper parts of the front and rear side surfaces of the shell 1, and the front side of the rotating shaft 166 is connected to the front walking wheel Ⅰ3 through a gear set. The front and rear ends of the rotating shaft 166 are fixedly covered with a turntable 167, and the eccentric positions of the turntables 167 on the front and rear sides are fixed with fixing rods 168. The front and rear fixing rods 168 are respectively rotatably connected to the upper parts of the L-shaped plates 163 on the front and rear sides with connecting plates 169.

[0036] Initially, the annular airbag 101 is in an expanded state, the connecting spring 142 is in a stretched state, and the support spring 145 is in a compressed state. First, push the device to the land where seeds need to be sown, and then twist the nut 146 to rotate forward and backward alternately. The nut 146 moves up and down on the screw rod 144 through the thread. When the nut 146 moves upward, the nut 146 stops limiting the L-shaped rod 143. Due to the action of the support spring 145, the L-shaped rod 143 moves upward. When the nut 146 moves downward, the nut 146 drives the L-shaped rod 143 to move downward, the support spring 145 is compressed, and the L-shaped rod 143 moves up and down to control the amount of seeds falling. After the amount of seeds falling is adjusted, stop twisting the nut 146, and the L-shaped rod 143 stops moving up and down. The supporting spring 145 is in a compressed state, and the cylinder 16 is started again. The telescopic rod of the cylinder 16 is extended to drive the ditching plate 161 to move to the lower left, and the ditching plate 161 moves to the lower left and is inserted into the soil. When the ditching plate 161 is inserted to the required ditching depth, the cylinder 16 is closed, and the ditching plate 161 stops moving to the lower left, and then an appropriate amount of seeds are poured into the charging barrel 2. The seeds are blocked by contact with the expanded annular airbag 101, and then the operator holds the device to start the reverse rotation of the drive motor 6. The reverse rotation of the drive motor 6 drives the walking wheel Ⅰ3 to reverse through the synchronous belt assembly. The reverse rotation of the walking wheel Ⅰ3 cooperates with the walking wheel Ⅱ5 to drive the housing 1 to move to the left. The housing 1 moves to the left, drives the ditching plate 161 and the mounting frame 4 to move to the left, and the mounting frame 4 drives the flapping plate 16 4 and the covering plate 162 move to the left, the ditching plate 161 moves to the left to ditch the land, and at the same time, the walking wheel Ⅰ3 reverses to drive the double-layer disc 11 to reverse, and the double-layer disc 11 reverses to drive the waist-shaped hole plate 112 to move up and down, and the waist-shaped hole plate 112 drives the sliding frame 111 to move up and down, and the sliding frame 111 drives the spreading barrel 8 to move up and down. When the spreading barrel 8 moves downward, the spreading barrel 8 moves downward to approach the opened groove, and the spreading barrel 8 drives the supporting spring 145 to move downward, first making the supporting spring 145 stretch as the spreading barrel 8 moves, and the spreading barrel 8 drives the nut 146 to move downward through the screw 144. When the nut 146 moves downward and contacts the L-shaped rod 143, the nut 146 drives the L-shaped rod 143 to move downward, and the L-shaped rod 143 moves downward and contacts the L-shaped rod 143. The piston rod 141 is out of contact. Due to the action of the connecting spring 142, the piston rod 141 moves downward to extract the air in the annular airbag 101 through the hose 9. As the air is extracted, the annular airbag 101 continuously contracts and stops to block the seeds, and the seeds fall downward into the spreading barrel 8. The spreading barrel 8 spreads the seeds into the opened grooves to complete the sowing. When the spreading barrel 8 moves upward and resets, the spreading barrel 8 drives the L-shaped rod 143 to move upward through the supporting spring 145. When the L-shaped rod 143 moves upward and contacts the piston rod 141, the L-shaped rod 143 drives the piston rod 141 to move upward. The connecting spring 142 is compressed, and the piston rod 141 moves upward to push the air in the cylinder 14 into the annular airbag 101 through the hose 9. As the air is discharged,The annular air bag 101 expands to block the remaining seeds, and the seeds in the middle of the annular air bag 101 are clamped and buffered by the annular air bag 101 to prevent the seeds from being clamped hard and broken, so that the seeds are quantitatively sowed in integrity, and the sowing quality and safety are improved. Then, the soil pushing plate 162 moves left to push the soil in the ditch into the ditch to cover the seeds, and the walking wheel I 3 reverses to drive the rotating shaft 166 to rotate through the gear set, the rotating shaft 166 drives the rotating disc 167 to rotate, the rotating disc 167 drives the fixed rod 168 to rotate, the fixed rod 168 drives the L-shaped plate 163 to swing up and down through the connecting plate 169, the L-shaped plate 163 drives the beating plate 164 to swing up and down, the buffer spring 165 continuously stretches and contracts, the beating plate 164 swings up and down and moves left to beat the covered soil, so that the soil is more compacted to cover the seeds. Thus, the opening ditch, quantitative sowing and soil covering integrated processing can be continuously completed, so that the overall efficiency is improved. When the seeds are sowed on the land, the driving motor 6 is turned off, the walking wheel I 3 stops reversing, the double-layer disc 11 stops driving the waist-shaped hole plate 112 to move up and down, the sowing cylinder 8 stops moving up and down, the walking wheel I 3 also stops driving the rotating shaft 166 to rotate through the gear set, the rotating shaft 166 stops driving the rotating disc 167 to rotate, the rotating disc 167 stops driving the L-shaped plate 163 to swing up and down through the fixed rod 168 and the connecting plate 169, the L-shaped plate 163 stops driving the beating plate 164 to swing up and down, and the buffer spring 165 stops stretching and contracting. Then, the cylinder 16 is started again to drive the ditching plate 161 to move right and up to reset. The ditching plate 161 stops moving right and up, and the device can be pushed to the storage position for storage.

[0037] Please refer to Figures 8-10As shown, the quantitative seed sowing device for agricultural planting also includes a collecting component installed between the shell 1 and the spreading barrel 8, the collecting component includes a guide plate 17, a three-way pipe 171, a suction pipe 172, an air blowing component, a fixed frame 175 and a breathable bag 176, and the guide plates 17 are fixedly connected at even intervals on the upper left and right sides of the front and rear spreading barrels 8. The guide plates 17 can guide the air, and a three-way pipe 171 is connected between the upper left sides of the front and rear spreading barrels 8. The air outlet end of the three-way pipe 171 corresponds to the left guide plate 17, and the upper right sides of the front and rear spreading barrels 8 are connected with a suction pipe 172, and the suction pipe 172 corresponds to the right guide plate 17. The front side of the top of the mounting frame 4 is fixedly connected to the fixing frame 1 75. The left side of the fixed frame 175 is connected to the air outlet end of the extraction pipe 172. A breathable bag 176 is placed on the inside of the fixed frame 175. The feed end of the breathable bag 176 is snap-fitted to the air outlet end of the extraction pipe 172. The breathable bag 176 can collect impurities. A blowing assembly is provided on the inside of the shell 1. When the blowing assembly is in operation, the blowing assembly can discharge air into the three-way pipe 171; the blowing assembly includes an air pump 173 and an exhaust pipe 174. The air pump 173 is installed on the upper right side of the shell 1. The air outlet end of the air pump 173 is connected to the air inlet end of the three-way pipe 171, and the exhaust end of the air pump 173 is connected to the exhaust pipe 174. The exhaust end of the exhaust pipe 174 is fixedly connected to the rear side of the fixed frame 175.

[0038] When the device is in the process of sowing, the air pump 173 is started, the air pump 173 blows air into the tee pipe 171, the air in the tee pipe 171 blows into the sowing cylinder 8, the air contacts the left guide plate 17, the left guide plate 17 guides the air to flow to the right and up, the air flowing to the right and up contacts the right guide plate 17, at the same time, the air pump 173 blows air into the fixed frame 175 through the air suction pipe 174, so that the fixed frame 175 is in a negative pressure state, the fixed frame 175 makes the air bag 176 in a negative pressure state, the air bag 176 makes the air suction pipe 172 in a negative pressure state, the air suction pipe 172 sucks away the impurities on the right guide plate 17, when the seed is not blocked by the annular air bag 101 and falls downward, the seed falls downward and contacts the air flowing to the right and up, the flowing air blows the impurities mixed in the seed to the right, the impurities are blown on the right guide plate 17, the air suction pipe 172 sucks away the impurities on the right guide plate 17, so that the impurities are sucked into the air bag 176 for collection, the seed after removing the impurities continues to fall downward into the sowing cylinder 8 for sowing, when the seed completes sowing, the air pump 173 is turned off, the air stops being discharged into the tee pipe 171, the air stops being discharged into the sowing cylinder 8, the air pump 173 also stops blowing air into the fixed frame 175 through the air suction pipe 174, then the operator disconnects the air bag 176 and the air suction pipe 172, pours out the impurities in the air bag 176, after the impurities are completely poured out, the air bag 176 is placed in the fixed frame 175 and clamped back to the air suction end. In this way, the impurities in the seed can be prevented from mixing into the soil to affect the water permeability, air permeability and microbial environment, and even breed mold, further inhibit the germination of healthy seeds and the growth of seedlings, so as to ensure the safe growth environment of the seeds.

[0039] Please refer to Figure 11 As shown in the figure, the quantitative sowing device for agricultural planting further comprises a transparent scale 18, the transparent scale 18 is fixedly connected to the rear side of the charging cylinder 2, and the transparent scale 18 can indicate the amount of seeds in the charging cylinder 2.

[0040] When the seeds in the charging cylinder 2 are discharged for sowing, the operator can check the amount of seeds in the charging cylinder 2 through the transparent scale 18, so that the addition of seeds can be made in time according to the amount of seeds in the charging cylinder 2, thereby ensuring the sowing of seeds.

[0041] Although the present disclosure has been described only with respect to a limited number of embodiments, those skilled in the art who benefit from the present disclosure will understand that various other embodiments can be designed without departing from the scope of the present application. Therefore, the scope of the present application should be limited only by the appended claims.

Claims

1. A quantitative seed sowing device for agricultural planting, comprising a housing (1) and a loading barrel (2) fixed to the housing (1), for placing seeds, wherein both sides of the housing (1) are rotatably connected with a running wheel I (3), a mounting frame (4) is mounted on the housing (1), and a running wheel II (5) is rotatably connected to the mounting frame (4), a driving motor (6) is mounted inside the housing (1), and an output shaft of the driving motor (6) is connected to one of the running wheels I (3) through a synchronous belt assembly, wherein the driving motor (6) is connected to the running wheel ... The invention also includes a guide frame (7) symmetrically fixed to the inner side of the shell (1), a spreading barrel (8) is slidably connected to the inner side of the guide frame (7), and is used to spread seeds into the soil. A lifting assembly is provided between the spreading barrel (8) and the walking wheel I (3), and is used to drive the spreading barrel (8) to move. A cylinder (10) is symmetrically fixedly connected to the top of the shell (1), and the cylinder (10) corresponds to the spreading barrel (8) and the charging barrel (2). An annular airbag (101) is fixed to the inner side of the cylinder (10) along the circumferential direction. A hose (9) is connected to the annular airbag (101), and the tail end of the hose (9) passes through the shell (1). A suction assembly is provided between the hose (9) and the shell (1), and the suction assembly is used to suck the air in the annular airbag (101) so that the annular airbag (101) expands to buffer and clamp the seeds. An auxiliary assembly is provided between the shell (1) and the mounting frame (4), and is used to ditch and cover the land. The lifting assembly includes a sliding frame (111) fixed between the spreading barrels (8), a waist-shaped hole plate (112) fixed to the bottom of the sliding frame (111), a double-layer disk (11) fixed between the ends of the walking wheel I (3), and an eccentric position of the double-layer disk (11) is slidably connected to the inner side of the waist-shaped hole plate (112) to drive the sliding frame (111) to move; The suction assembly includes a cylinder body (14) fixed to both sides of the shell (1), a piston rod (141) is slidably connected to the inside of the cylinder body (14), a connecting spring (142) is symmetrically connected between the piston rod (141) and the cylinder body (14), the cylinder body (14) is connected to the tail end of the hose (9), an L-shaped rod (143) is slidably connected to the material spreading barrel (8), a supporting spring (145) is connected between the L-shaped rod (143) and the material spreading barrel (8), the elastic coefficient of the supporting spring (145) is greater than the elastic coefficient of the connecting spring (142), the L-shaped rod (143) contacts the bottom of the piston rod (141) and is used to limit the piston rod (141), a screw rod (144) is fixed to the material spreading barrel (8) and is slidably passed through the L-shaped rod (143), and a nut (146) located above the L-shaped rod (143) is threadedly connected to the screw rod (144) to drive the L-shaped rod (143) to move.

2. A quantitative seed sowing device for agricultural planting according to claim 1, characterized in that: The auxiliary component includes a ditching plate (161) slidably connected between the two sides of the housing (1), the ditching plate (161) is tilted to ditch the land, a cylinder (16) is installed on both sides of the housing (1), the telescopic rod end of the cylinder (16) is fixedly connected to the ditching plate (161), an L-shaped plate (163) is symmetrically rotatably connected on the mounting frame (4), a beating plate (164) is fixed between the L-shaped plates (163) to beat the covered soil, a buffer spring (165) is symmetrically connected between the beating plate (164) and the mounting frame (4), a covering plate (162) corresponding to the ditching plate (161) is symmetrically fixed to the bottom of the mounting frame (4), and a driving component is provided between the housing (1) and the L-shaped plate (163) for driving the L-shaped plate (163) to swing.

3. A quantitative seed sowing device for agricultural planting according to claim 2, characterized in that: The driving assembly includes a rotating shaft (166) rotatably connected between the two sides of the housing (1), the rotating shaft (166) and one of the walking wheels I (3) are connected via a gear train, a turntable (167) is fixedly mounted on both ends of the rotating shaft (166), a fixed rod (168) is fixedly connected to the turntable (167) at an eccentric position, and a connecting plate (169) is rotatably connected between the fixed rod (168) and the L-shaped plate (163).

4. A quantitative seed sowing device for agricultural planting according to claim 3, characterized in that: The quantitative sowing device for agricultural planting also includes a collecting component, which includes guide plates (17) fixed to both sides of the spreading barrel (8) at uniform intervals to guide air, a three-way pipe (171) is connected between the spreading barrels (8), the outlet end of the three-way pipe (171) corresponds to the guide plate (17) on one side, a pumping pipe (172) is connected between the spreading barrels (8), the pumping pipe (172) corresponds to the guide plate (17) on the other side, a fixing frame (175) is fixed on the mounting frame (4), the fixing frame (175) is connected to the outlet end of the pumping pipe (172), a breathable bag (176) is placed inside the fixing frame (175), the feed end of the breathable bag (176) is clamped to the outlet end of the pumping pipe (172) for collecting impurities, and a blowing component is provided on the shell (1) for discharging air into the three-way pipe (171).

5. The quantitative seed sowing device for agricultural planting according to claim 4, characterized in that: The air blowing assembly includes an air pump (173) installed on the inner side of the housing (1), the air outlet end of the air pump (173) is connected to the air inlet end of the three-way pipe (171), the air extraction end of the air pump (173) is connected to the air extraction pipe (174), and the air extraction end of the air extraction pipe (174) is fixedly connected to the fixed frame (175).

6. A quantitative seed sowing device for agricultural planting according to claim 5, characterized in that: The quantitative seed sowing device for agricultural planting further comprises a transparent scale (18) fixedly connected to the charging barrel (2) and used for indicating the amount of seeds in the charging barrel (2).

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