Agricultural planting and sowing device

Abstract

The present invention discloses an agricultural planting and sowing device, comprising a storage box, wherein a plurality of seeding columns distributed at equal intervals are arranged on an annular side wall of the storage box, a feeding channel connected to an inner cavity of the storage box is opened inside the seeding column, a fixing ring is sleeved on the outer side of the seeding column, a telescopic component matched with the fixing ring is arranged on the side wall of the seeding column, a quantitative sowing mechanism matched with the fixing ring is arranged in the feeding channel, the quantitative sowing mechanism comprises a feeding component, a first adjusting component and a second adjusting component, the feeding component comprises two groups of relatively distributed first baffle plates and two groups of relatively distributed second baffle plates, the first adjusting component comprises a first positioning part and a first control part, the second adjusting component comprises a second positioning part and a second control part, which solves the problem that currently manual picking of a few seeds and putting them into a planting hole not only consumes a lot of manpower and material resources, but also has low planting efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of sowing equipment, in particular to an agricultural planting and sowing device. Background Art

[0002] Agriculture is a basic industry that supports the construction and development of the national economy. In the process of agricultural planting, seeds need to be sown with the help of sowing devices. Seeders are planting machines that sow crop seeds.

[0003] Existing sowing equipment is large-scale machinery, which is only suitable for automated sowing in the Northeast Plain. When Chinese farmers plant small plots of farmland, they can only sow manually, which has low sowing efficiency, especially when sowing crops such as corn and peanuts, they need to manually pick up several seeds and then put them into the planting holes, which not only consumes a lot of manpower and material resources, but also has low planting efficiency. Summary of the invention

[0004] The object of the present invention is to provide an agricultural planting and sowing device to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] The lifting of the ... The control unit is located in the seeding column and is connected to the first baffle plate. The first positioning portion controls the two groups of first baffle plates to be in the material discharge channel and thus controls the bottom end of the material storage chamber to be in a sealed state. The first control unit is located in the seeding column and is connected to the first positioning portion. The first control unit controls the two groups of first baffle plates to move in a direction away from the material discharge channel by cooperating with the first positioning portion, thereby controlling the bottom end of the material storage chamber to switch to an open state. The second adjusting component includes a second positioning portion and a second control portion. The second positioning portion is located in the seeding column and is connected to the second baffle plate. The second positioning portion controls the two groups of second baffle plates to be outside the material discharge channel and thereby controls the top end of the material storage chamber to be in an open state. The second control unit is located in the seeding column and is connected to the second positioning portion. The second control unit controls the two groups of second baffle plates to move toward the material discharge channel by cooperating with the second positioning portion, thereby controlling the top end of the material storage chamber to switch to a sealed state.

[0007] As a further solution of the present invention: the telescopic component includes multiple groups of vertical grooves distributed in an annular shape on the surface of the seeding column, sliding blocks are slidably installed in the vertical grooves, multiple groups of sliding blocks extend to the outside of the vertical grooves and are fixedly connected to the fixed rings, control springs connected to the sliding blocks are fixedly installed on the top of the vertical grooves, and multiple groups of support rods distributed in an annular shape around the seeding column are fixedly installed on the bottom wall of the fixed ring, and one end of the support rods away from the fixed ring is located on the outside of the seeding column.

[0008] As a further solution of the present invention: the first positioning portion includes a first receiving groove opened inside the sowing column and located on both sides of the feeding channel, the first receiving groove is connected to the feeding channel, the first baffle plate is slidably installed in the first receiving groove, and the first extrusion spring is fixedly installed at one end of the first receiving groove away from the feeding channel, and the telescopic end of the first extrusion spring is connected to the first baffle plate.

[0009] As a further solution of the present invention: the first control part includes a first wire groove opened inwardly on the surface of the sowing column and connected to the first receiving groove, and the first control rope is fixedly installed on one end of the first baffle plate located in the first receiving groove, and the end of the first control rope away from the first baffle plate passes through the first wire groove and extends to the outside of the sowing column and is connected to the fixed ring.

[0010] As a further solution of the present invention: the second positioning portion includes a second receiving groove opened inside the sowing column and located on both sides of the feeding channel, the second baffle plate is slidably installed in the second receiving groove, and the two opposite side walls of the second receiving groove are respectively provided with guide grooves outwardly, and a control block is slidably installed in the guide groove, the control block extends into the second receiving groove and is fixedly connected to the side wall of the second baffle plate, and a second extrusion spring is fixedly installed at one end of the guide groove close to the feeding channel, and the telescopic end of the second extrusion spring is connected to the control block.

[0011] As a further solution of the present invention: the second control part includes a second wire groove opened inwardly on the surface of the sowing column and connected to the second receiving groove, and a second control rope is fixedly installed on the end of the second material baffle plate away from the feeding channel, and the end of the second control rope away from the second material baffle plate passes through the second wire groove to extend to the outside of the sowing column and is connected to the fixed ring.

[0012] As a further solution of the present invention: rollers cooperating with the first control rope and the second control rope are respectively arranged in the first wire groove and the second wire groove.

[0013] Compared with the prior art, the beneficial effect of the present invention is that by setting the first adjustment component composed of the first positioning part and the first control part and cooperating with the second adjustment component composed of the second positioning part and the second control part, the positions of the first baffle plate and the second baffle plate can be adjusted synchronously, and then the seeds can be quantitatively delivered to the planting hole through the feeding channel. This solves the problem that the current manual picking of several seeds and delivering them to the planting hole not only consumes a lot of manpower and material resources, but also has low planting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of an agricultural planting and sowing device provided in an embodiment of the present invention.

[0015] Figure 2 It is a schematic diagram of the main structure of an agricultural planting and sowing device provided in an embodiment of the present invention.

[0016] Figure 3 It is a schematic diagram of the three-dimensional structure of a sowing column in an agricultural planting and sowing device provided in an embodiment of the present invention.

[0017] Figure 4 for Figure 2 Schematic diagram of the enlarged structure of A.

[0018] Figure 5 The present invention is a schematic diagram of a second baffle plate and its connection structure in an agricultural planting and sowing device provided in an embodiment of the present invention.

[0019] Among them: 1-storage box, 11-box cover, 2-support frame, 3-handrail, 4-seeding column, 41-feeding channel, 5-fixing ring, 6-telescopic component, 61-vertical slot, 62-sliding block, 63-control spring, 64-support rod, 7-quantitative sowing mechanism, 71-feeding component, 711-first baffle plate, 712-second baffle plate, 713-storage cavity, 72-first adjustment component, 721-first positioning part, 72 11-first receiving groove, 7212-first squeezing spring, 722-first control part, 7221-first wire groove, 7222-first control rope, 73-second adjustment assembly, 731-second positioning part, 7311-second receiving groove, 7312-guide groove, 7313-control block, 7314-second squeezing spring, 732-second control part, 7321-second wire groove, 7322-second control rope, 8-roller. DETAILED DESCRIPTION

[0020] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0021] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0022] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5As shown, it is a structural diagram of an agricultural planting and sowing device provided by an embodiment of the present invention, including a storage box 1, the storage box 1 is a disc-shaped structure, a box cover 11 is arranged on the surface of the storage box 1, a support frame 2 is rotatably installed on the outer side of the storage box 1, and a handrail 3 is arranged on the surface of the support frame 2, the annular side wall of the storage box 1 is provided with a plurality of groups of equally spaced sowing columns 4, the sowing columns 4 are arranged at one end away from the storage box 1 as a conical structure, a feeding channel 41 connected to the inner cavity of the storage box 1 is opened inside the sowing columns 4, a fixing ring 5 is sleeved on the outer side of the sowing columns 4, and the side wall of the sowing columns 4 is provided with a fixing ring 5 connected to the fixing ring 5. The telescopic components 6 cooperate with each other. When the storage box 1 rolls, the telescopic components 6 are used to control the fixed ring 5 to move along the axial direction of the sowing column 4. A quantitative sowing mechanism 7 that cooperates with the fixed ring 5 is provided in the feeding channel 41. The quantitative sowing mechanism 7 includes a feeding component 71, a first adjustment component 72 and a second adjustment component 73. The feeding component 71 includes two groups of relatively distributed first baffle plates 711 and two groups of relatively distributed second baffle plates 712. A storage cavity 713 located in the feeding channel 41 is formed between the first baffle plate 711 and the second baffle plate 712. The first adjustment component 72 includes There are first positioning part 721 and first control part 722, the first positioning part 721 is located in the seeding column 4 and is connected to the first baffle plate 711, the first positioning part 721 controls the two groups of first baffle plates 711 to be in the feeding channel 41, thereby controlling the bottom end of the storage chamber 713 to be in a sealed state, the first control part 722 is located in the seeding column 4 and is connected to the first positioning part 721, the first control part 722 controls the two groups of first baffle plates 711 to move away from the feeding channel 41 by cooperating with the first positioning part 721, thereby controlling the bottom end of the storage chamber 713 to switch to an open state, and the second regulating part 721 is used to adjust the first baffle plate 711 to the first position. The node assembly 73 includes a second positioning portion 731 and a second control portion 732. The second positioning portion 731 is located in the seeding column 4 and is connected to the second baffle plate 712. The second positioning portion 731 controls the two groups of second baffle plates 712 to be located outside the feeding channel 41, thereby controlling the top of the storage chamber 713 to be in an open state. The second control portion 732 is located in the seeding column 4 and is connected to the second positioning portion 731. The second control portion 732 controls the two groups of second baffle plates 712 to move toward the feeding channel 41 by cooperating with the second positioning portion 731, thereby controlling the top of the storage chamber 713 to switch to a sealed state.

[0023] When in use, open the box cover 11 to put a batch of seeds into the storage box 1. Initially, the first positioning portion 721 controls the first baffle plate 711 to extend into the feeding channel 41, thereby controlling the bottom end of the storage chamber 713 to be in a sealed state. The second positioning portion 731 controls the second baffle plate 712 to be outside the feeding channel 41. At this time, the top of the storage chamber 713 is in an open state, and the seeds in the storage box 1 pass through the feeding channel 41 and then fall into the storage chamber 713. The staff holds the handrail 3 and pushes the storage The material box 1 rolls on the surface of the land. When the material box 1 rolls, it can control multiple groups of seeding columns 4 to rotate to the lowest point in sequence and insert them into the planting holes. When the seeding columns 4 are inserted into the planting holes, the telescopic component 6 controls the fixed ring 5 to move along the axial direction of the seeding column 4. The fixed ring 5, the first positioning part 721 and the first control part 722 cooperate with each other to control the two groups of first baffle plates 711 to move toward the outside of the feeding channel 41 respectively. The fixed ring 5, the second positioning part 731 and the second control part 732 cooperate with each other to control The two sets of second baffle plates 712 are respectively moved toward the feeding channel 41. At this time, the bottom end of the storage chamber 713 is switched from a sealed state to an open state, and the top end of the storage chamber 713 is switched from an open state to a sealed state. The quantitative seeds in the storage chamber 713 fall freely in the feeding channel 41 and are further automatically delivered to the planting hole. The storage box 1 continues to rotate. When the sowing column 4 is rotated and pulled out from the planting hole, the telescopic component 6 controls the fixing ring 5 to move in the opposite direction on the surface of the sowing column 4. The first positioning portion 721 and the first control The control parts 722 cooperate with each other to control the two groups of first baffle plates 711 to move into the feeding channel 41 again, and the second positioning part 731 and the second control part 732 cooperate with each other to control the two groups of second baffle plates 712 to move to the outside of the feeding channel 41 again. At this time, the bottom end of the storage cavity 713 switches to a sealed state again, and the top end of the storage cavity 713 switches to an open state. The seeds in the storage box 1 can pass through the feeding channel 41 and can be quantitatively moved to the storage cavity 713, which is convenient for subsequent delivery to the next group of planting holes.

[0024] like Figure 1 , Figure 2 , Figure 3 As shown, as a preferred embodiment of the present invention, the telescopic component 6 includes a plurality of groups of vertical grooves 61 distributed in an annular shape opened on the surface of the seeding column 4, and sliding blocks 62 are slidably installed in the vertical grooves 61. The plurality of sliding blocks 62 extend to the outside of the vertical grooves 61 and are fixedly connected to the fixed ring 5. A control spring 63 connected to the sliding block 62 is fixedly installed at the top of the vertical groove 61, and a plurality of groups of support rods 64 distributed in an annular shape around the seeding column 4 are fixedly installed on the bottom wall of the fixed ring 5, and the end of the support rod 64 away from the fixed ring 5 is located on the outside of the seeding column 4.

[0025] A plurality of groups of sliding blocks 62 support and position the fixing ring 5 on the outside of the sowing column 4. When the storage box 1 rolls, after the sowing column 4 is inserted into the planting hole, under the action of the gravity of the storage box 1 and the sowing column 4, the support rod 64 will push the fixing ring 5 to move upward on the surface of the sowing column 4. When the storage box 1 continues to rotate and controls the sowing column 4 to rotate and be pulled out of the planting hole, the support rod 64 releases the supporting thrust on the fixing ring 5, and the control spring 63 applies thrust to the sliding block 62 and controls the sliding block 62 to move downward in the vertical groove 61. The sliding block 62 drives the fixing ring 5 to move downward synchronously on the surface of the sowing column 4.

[0026] like Figure 2 , Figure 4 As shown, as a preferred embodiment of the present invention, the first positioning portion 721 includes a first receiving groove 7211 opened inside the sowing column 4 and located on both sides of the feeding channel 41, the first receiving groove 7211 is connected to the feeding channel 41, the first baffle plate 711 is slidably installed in the first receiving groove 7211, and the first extrusion spring 7212 is fixedly installed at one end of the first receiving groove 7211 away from the feeding channel 41, and the telescopic end of the first extrusion spring 7212 is connected to the first baffle plate 711.

[0027] Initially, the first extrusion spring 7212 applies a thrust to the first baffle plate 711, and at this time, the first baffle plate 711 extends into the material discharge channel 41. The two groups of first baffle plates 711 cooperate with each other to control the bottom of the material storage chamber 713 to remain in a sealed state. When the fixed ring 5 moves upward on the surface of the sowing column 4, the first control unit 722 pulls the first baffle plate 711 to move into the first receiving groove 7211, and at this time, the first baffle plate 711 controls the bottom of the material storage chamber 713 to switch to an open state. When the fixed ring 5 moves downward on the surface of the sowing column 4, the first control unit 722 releases the pulling force on the first baffle plate 711, and the first extrusion spring 7212 applies a thrust to the first baffle plate 711, and the two groups of first baffle plates 711 move back into the material discharge channel 41, thereby controlling the bottom of the material storage chamber 713 to switch to a sealed state again.

[0028] like Figure 2 , Figure 4 As shown, as a preferred embodiment of the present invention, the first control part 722 includes a first wire groove 7221 which is opened inwardly on the surface of the sowing column 4 and communicates with the first receiving groove 7211, and the first baffle plate 711 is located in the first receiving groove 7211. One end thereof is fixedly installed with a first control rope 7222, and one end of the first control rope 7222 away from the first baffle plate 711 passes through the first wire groove 7221 and extends to the outside of the sowing column 4 and is connected to the fixing ring 5.

[0029] When the fixing ring 5 moves upward on the surface of the sowing column 4, the fixing ring 5 cooperates with the first control rope 7222 to pull the first baffle plate 711 to move synchronously into the first receiving groove 7211. When the fixing ring 5 moves downward on the surface of the sowing column 4, the fixing ring 5 cooperates with the first control rope 7222 to automatically release the pulling force on the first baffle plate 711.

[0030] like Figure 2 , Figure 4 , Figure 5 As shown, as a preferred embodiment of the present invention, the second positioning portion 731 includes a second receiving groove 7311 opened inside the sowing column 4 and located on both sides of the feeding channel 41, the second baffle plate 712 is slidably installed in the second receiving groove 7311, and the two opposite side walls of the second receiving groove 7311 are respectively provided with guide grooves 7312 outwardly, and a control block 7313 is slidably installed in the guide groove 7312, the control block 7313 extends into the second receiving groove 7311 and is fixedly connected to the side wall of the second baffle plate 712, and a second extrusion spring 7314 is fixedly installed at one end of the guide groove 7312 close to the feeding channel 41, and the telescopic end of the second extrusion spring 7314 is connected to the control block 7313.

[0031] Initially, the second extrusion spring 7314 applies a thrust to the control block 7313. At this time, the control block 7313 is at one end of the guide groove 7312 away from the feeding channel 41, and the two groups of control blocks 7313 position the second baffle plate 712. At this time, the second baffle plate 712 is as a whole in the second receiving groove 7311, and the top of the storage cavity 713 is in an open state. The seeds in the feeding channel 41 will automatically fall into the storage cavity 713. When the fixing ring 5 moves upward on the surface of the sowing column 4, the second control unit 732 applies a pulling force to the second baffle plate 712, and the two groups of second baffle plates 712 move synchronously toward the feeding channel 41. At this time, the two groups of second when the material plates 712 control the top of the storage cavity 713 to switch to a sealed state, the seeds in the feeding channel 41 will not fall into the storage cavity 713, and the original quantitative seeds in the storage cavity 713 will be automatically put into the planting hole.

[0032] like Figure 2 , Figure 4 , Figure 5 As shown, as a preferred embodiment of the present invention, the second control part 732 includes a second wire groove 7321 which is opened inwardly on the surface of the sowing column 4 and communicates with the second receiving groove 7311, and a second control rope 7322 is fixedly installed on one end of the second baffle plate 712 away from the discharge channel 41, and the end of the second control rope 7322 away from the second baffle plate 712 passes through the second wire groove 7321 and extends to the outside of the sowing column 4 and is connected to the fixing ring 5.

[0033] The fixing ring 5 moves upward on the surface of the sowing column 4, and the fixing ring 5 cooperates with the second control rope 7322 to pull the second baffle plate 712 to move toward the outside of the second receiving groove 7311. At this time, the two groups of second baffle plates 712 control the top of the storage chamber 713 to switch to a sealed state. When the fixing ring 5 moves downward on the surface of the sowing column 4, the fixing ring 5 and the second control rope 7322 release the pulling force on the second baffle plate 712, and the control block 7313 cooperates with the second extrusion spring 7314 to control the second baffle plate 712 to move into the second receiving groove 7311. At this time, the top of the storage chamber 713 switches to an open state.

[0034] like Figure 1 , Figure 2 , Figure 4 As shown, as a preferred embodiment of the present invention, the first wire groove 7221 and the second wire groove 7321 are respectively provided with rollers 8 that cooperate with the first control rope 7222 and the second control rope 7322. The rollers 8 can effectively reduce the wear of the first control rope 7222 and the second control rope 7322.

[0035] The working principle of the present invention is: when in use, open the box cover 11 and put a batch of seeds into the storage box 1. Initially, the first extrusion spring 7212 applies a thrust to the first baffle plate 711. At this time, the first baffle plate 711 extends into the feeding channel 41. The two groups of first baffle plates 711 cooperate with each other to control the bottom end of the storage chamber 713 to remain in a sealed state. The second extrusion spring 7314 applies a thrust to the control block 7313. At this time, the control block 7313 is at one end of the guide groove 7312 away from the feeding channel 41. The two groups of control blocks 7313 position the second baffle plate 712. At this time, the second baffle plate 712 is as a whole in the second receiving groove 7311, and the top of the storage chamber 713 is in an open state. The seeds in the feeding channel 41 will automatically fall into the storage chamber 713.

[0036] The staff holds the handrail 3 and pushes the storage box 1 to roll on the land surface. When the storage box 1 rolls, it can control multiple groups of seeding columns 4 to rotate to the lowest point in sequence and insert them into the planting hole. When the seeding column 4 is inserted into the planting hole, under the gravity of the storage box 1 and the seeding column 4, the support rod 64 will push the fixed ring 5 to move upward on the surface of the seeding column 4. The fixed ring 5 cooperates with the first control rope 7222 to pull the first baffle plate 711 to move synchronously into the first receiving groove 7211. At this time, the first baffle plate 711 controls the bottom end of the storage chamber 713 to switch to an open state. The fixed ring 5 cooperates with the second control rope 7322 to pull the second baffle plate 712 to move toward the outside of the second receiving groove 7311. At this time, the two groups of second baffle plates 712 control the top of the storage chamber 713 to switch to a sealed state. The quantitative seeds in the storage chamber 713 fall freely in the feeding channel 41 and are further automatically delivered to the planting hole.

[0037] The storage box 1 continues to rotate, and when the sowing column 4 is rotated and pulled out from the planting hole, the support rod 64 releases the supporting thrust on the fixed ring 5, and the control spring 63 applies thrust to the sliding block 62 to control the sliding block 62 to move downward in the vertical groove 61, and the sliding block 62 drives the fixed ring 5 to move downward synchronously on the surface of the sowing column 4. The fixed ring 5 and the second control rope 7322 release the tension on the second baffle plate 712, and the control block 7313 and the second extrusion spring 7314 cooperate with each other to control the second baffle plate 712 to move toward the second receiving groove 7311. At this time, the top of the storage chamber 713 switches to an open state. The fixed ring 5 cooperates with the first control rope 7222 to automatically release the tension on the first baffle plate 711. The two groups of first baffle plates 711 cooperate with each other to control the bottom of the storage chamber 713 to maintain a sealed state. The seeds in the storage box 1 can be quantitatively moved to the storage chamber 713 through the feeding channel 41, so as to facilitate the subsequent delivery to the next group of planting holes.

[0038] The preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. An agricultural planting and sowing device, comprising a storage box, the storage box is a disc-shaped structure, a box cover is arranged on the surface of the storage box, a support frame is rotatably installed on the outer side of the storage box, and a handrail is arranged on the surface of the support frame, characterized in that: The annular side wall of the material storage box is provided with a plurality of groups of equally spaced sowing columns, and one end of the sowing column away from the material storage box is set as a conical structure, and a feeding channel connected to the inner cavity of the material storage box is opened inside the sowing column, and a fixing ring is sleeved on the outer side of the sowing column, and a telescopic component is provided on the side wall of the sowing column to cooperate with the fixing ring. When the material storage box rolls, the telescopic component is used to control the fixing ring to move along the axis direction of the sowing column. A quantitative sowing mechanism that cooperates with the fixing ring is provided in the feeding channel, and the quantitative sowing mechanism includes a feeding component, a first adjusting component and a second adjusting component. The feeding component includes two groups of relatively distributed first baffle plates and two groups of relatively distributed second baffle plates, and a storage cavity located in the feeding channel is formed between the first baffle plate and the second baffle plate. The first adjusting component includes a first positioning part and a first control part. The first positioning part is located in the sowing column and The first control unit is located in the sowing column and connected to the first positioning unit. The first control unit controls the two groups of first baffle plates to move in the direction away from the feeding channel and thus controls the bottom end of the feeding chamber to be switched to an open state by cooperating with the first positioning unit. The second adjusting component includes a second positioning unit and a second control unit. The second positioning unit is located in the sowing column and connected to the second baffle plate. The second positioning unit controls the two groups of second baffle plates to be outside the feeding channel and thus controls the top end of the feeding chamber to be switched to an open state. The second control unit is located in the sowing column and connected to the second positioning unit. The second control unit controls the two groups of second baffle plates to move in the feeding channel and thus controls the top end of the feeding chamber to be switched to a sealed state by cooperating with the second positioning unit.

2. The agricultural planting and sowing device according to claim 1, characterized in that: The telescopic assembly includes a plurality of groups of vertical grooves distributed in an annular shape and opened on the surface of the seeding column, sliding blocks are slidably installed in the vertical grooves, and the plurality of sliding blocks extend to the outside of the vertical grooves and are fixedly connected to the fixed rings. A control spring connected to the sliding block is fixedly installed on the top of the vertical grooves, and a plurality of groups of support rods distributed in an annular shape around the seeding column are fixedly installed on the bottom wall of the fixed ring, and one end of the support rod away from the fixed ring is located on the outside of the seeding column.

3. The agricultural planting and sowing device according to claim 1, characterized in that: The first positioning portion includes a first receiving groove opened inside the sowing column and located on both sides of the feeding channel. The first receiving groove is connected to the feeding channel. The first baffle plate is slidably installed in the first receiving groove. The first extrusion spring is fixedly installed at one end of the first receiving groove away from the feeding channel. The telescopic end of the first extrusion spring is connected to the first baffle plate.

4. The agricultural planting and sowing device according to claim 3, characterized in that: The first control part includes a first wire groove opened inwardly on the surface of the sowing column and connected to the first receiving groove. The first control rope is fixedly installed on one end of the first baffle plate located in the first receiving groove. The end of the first control rope away from the first baffle plate passes through the first wire groove and extends to the outside of the sowing column and is connected to the fixed ring.

5. The agricultural planting and sowing device according to claim 4, characterized in that: The second positioning portion includes a second receiving groove opened inside the sowing column and located on both sides of the feeding channel, the second baffle plate is slidably installed in the second receiving groove, and the two opposite side walls of the second receiving groove are respectively provided with guide grooves outwardly, and a control block is slidably installed in the guide groove, the control block extends into the second receiving groove and is fixedly connected to the side wall of the second baffle plate, and a second extrusion spring is fixedly installed at one end of the guide groove close to the feeding channel, and the telescopic end of the second extrusion spring is connected to the control block.

6. The agricultural planting and sowing device according to claim 5, characterized in that: The second control part includes a second wire groove opened inwardly on the surface of the sowing column and connected to the second receiving groove. A second control rope is fixedly installed on one end of the second material baffle plate away from the feeding channel. The end of the second control rope away from the second material baffle plate passes through the second wire groove and extends to the outside of the sowing column and is connected to the fixed ring.

7. The agricultural planting and sowing device according to claim 6, characterized in that: Rollers cooperating with the first control rope and the second control rope are respectively arranged in the first wire groove and the second wire groove.

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