Circular reciprocating swing type annular variable seeding mechanism

Abstract

The circular reciprocating swing type annular variable seeding mechanism belongs to agricultural machinery; a ring frame is fixedly mounted on a fixedly configured motor, inner and outer cylinder rings are fixedly mounted on the ring frame, a starting end positioning block and N variable control blocks are arranged between the inner and outer cylinder rings, N variable control transmission and locking frames respectively hinge the starting end positioning block with the starting end variable control block and the adjacent N variable control blocks in sequence, N seed filling and seeding through holes are formed at intervals between the inner and outer cylinder rings, a variable adjustment drive and locking plate are fixedly mounted on the center of the ring frame through a center pin shaft and an adjustment locking pin, the variable adjustment drive and locking plate are hingedly connected to the variable control block at the end through a drive pin shaft, and a starting end limit sensor and a terminal end limit sensor are respectively fixedly mounted on the outer side of the outer cylinder ring; the mechanism realizes the filling and discharging adjustment of multiple seeds of dry direct seeding of rice and the seed supply of hole seeding, and has a novel and unique structure, simple and convenient adjustment operation, good synchronization and high precision.

Description

Technical Field

[0001] The invention belongs to agricultural machinery and mainly relates to a seeding mechanism. Background Art

[0002] The dry direct seeding agronomic method of rice is a traditional rice planting technology. Since this method does not require long-term rice seedling raising operations before rice transplanting operations, its operation cost and labor volume are significantly lower than the rice transplanting agronomic method, so this method has been used to this day. However, since rice is a crop with clustering characteristics, that is, one hole contains multiple rice seeds, and the existing outer groove wheel type seed meter or drum type seed meter can only realize the rice seed strip operation, and cannot complete the multi-grain rice seed hole operation. It not only cannot adapt to and meet the hole-type dry direct seeding operation requirements of rice clustering characteristics, but also affects and restricts the promotion and application of the dry direct seeding agronomic method of rice. Summary of the invention

[0003] The purpose of the invention is to address the problems existing in the above-mentioned prior art, combine with the actual needs of rice dry direct seeding operations, and study and design a circular reciprocating swinging annular variable seeding mechanism with a new structure, so as to meet the requirements of multi-grain hole seeding operations of rice dry direct seeding, have strong adaptability, and be easy and convenient to adjust, so as to provide technical support for the promotion and application of agronomic technology of rice dry direct seeding.

[0004] The purpose of the invention is achieved in this way: a ring frame is fixed on the motor shaft of a fixedly configured motor, an inner cylinder ring and an outer cylinder ring are fixed on the outer end of the ring frame in sequence from the inside to the outside, a starting end positioning block and N variable control blocks are sequentially arranged in the circumferential direction at a position between the outer wall surface of the inner cylinder ring and the inner wall surface of the outer cylinder ring, the starting end positioning block is fixed on the outer wall surface of the inner cylinder ring and the inner wall surface of the outer cylinder ring, the N variable control blocks can slide between the outer wall surface of the inner cylinder ring and the inner wall surface of the outer cylinder ring along the circumferential direction, the N variable adjustment transmission and locking frames respectively hinge the starting end positioning block with the adjacent starting end variable control block and the adjacent N variable control blocks in sequence, N filling and discharging through holes are formed at intervals at the position between the inner cylinder ring and the outer cylinder ring between the starting end positioning block and the adjacent variable control block and other adjacent variable control blocks, and the N filling and discharging through holes respectively discharge the seed box in sequence The seed port is connected with the seed feeding end of the seed delivery tube, and a variable adjustment drive and locking plate with an adjustment locking pin is rotatably mounted on the central part of the ring frame through a central pin shaft, and a plurality of adjustment locking holes are provided on the upper end surface of the central part of the ring frame in the circumferential direction of the same rotation radius, and the variable adjustment drive and locking plate are locked into one with the ring frame by inserting the adjustment locking pin in the adjustment locking hole, and the variable adjustment drive and locking plate are hingedly connected to the variable control block at the end through the drive pin shaft; a starting limit sensor and an end limit sensor are fixedly arranged at the outer side of the outer cylinder ring, and the starting limit sensor and the end limit sensor are respectively in contact or out of contact with the variable adjustment drive and locking plate in turn, and the wire connects the motor with the starting limit sensor and the end limit sensor respectively, thereby forming a circular reciprocating swing type annular variable seeding mechanism.

[0005] The invention adopts a structure of N variable control blocks which can be movably adjusted and positioned in the circumferential direction in the area between the inner cylinder ring and the outer cylinder ring which rotate synchronously as a whole, thereby realizing the charging and discharging adjustment of multiple seeds for dry direct seeding and the seed supply by hole sowing. The invention has the characteristics of novel, unique and reasonable structure, simple and convenient adjustment operation, good synchronization, consistent seed charging and discharging accuracy and high precision. The invention is particularly suitable for the seed supply of multiple seeds for dry direct seeding of rice in hole sowing, and provides technical support for the promotion and application of agronomic methods of dry direct seeding of rice. BRIEF DESCRIPTION OF THE DRAWINGS

[0006] Figure 1 It is a three-dimensional schematic diagram of the overall structure of a circular reciprocating swing type annular variable seeding mechanism;

[0007] Figure 2 yes Figure 1 A two-dimensional top-down schematic diagram of

[0008] Figure 3 It is a schematic diagram of the variable adjustment transmission and locking frame structure.

[0009] Description of part numbers in the figure:

[0010] 1. Seed box, 2. Variable control block, 3. Variable adjustment transmission and locking frame, 3-1. Main pin shaft, 3-2. Transmission and locking plate A, 3-3. Transmission and locking plate B, 3-4. Tension spring, 4. Seed filling and discharge hole, 5. Ring frame, 6. Inner cylinder ring, 7. Outer cylinder ring, 8. Seed transport tube, 9. Motor, 10. End limit sensor, 11. Drive pin shaft, 12. Variable adjustment drive and locking plate, 13. Adjustment locking pin, 14. Center pin shaft, 15. Adjustment locking hole, 16. Start positioning block, 17. Start limit sensor. DETAILED DESCRIPTION

[0011] The following is a detailed description of the implementation scheme of the invention with reference to the accompanying drawings. A circular reciprocating swing type annular variable seeding mechanism, comprising a seed box 1 and a seed delivery tube 8, wherein the seed entry end of the seed delivery tube 8 is located below the seed delivery port of the seed box 1, a ring frame 5 is fixedly mounted on the motor shaft of a fixedly configured motor 9, an inner cylinder ring 6 and an outer cylinder ring 7 are fixedly mounted on the outer end of the ring frame 5 from the inside to the outside, a starting end positioning block 16 and N variable control blocks 2 are sequentially mounted in the circumferential direction on the portion between the outer wall surface of the inner cylinder ring 6 and the inner wall surface of the outer cylinder ring 7, the starting end positioning block 16 is fixedly mounted on the inner wall surface of the inner cylinder ring 6 and the inner wall surface of the outer cylinder ring 7. On the outer wall surface of the inner cylinder ring 6 and the inner wall surface of the outer cylinder ring 7, the N variable control blocks 2 can slide between the outer wall surface of the inner cylinder ring 6 and the inner wall surface of the outer cylinder ring 7 along the circumferential direction, and the N variable adjustment transmission and locking frames 3 respectively hinge the starting end positioning block 16 with the variable control block 2 adjacent to the starting end and the adjacent N variable control blocks 2 in sequence, and the inner cylinder ring 6 and the outer cylinder ring 7 are located between the starting end positioning block 16 and the adjacent variable control block 2 and other adjacent variable control blocks 2 to form N filling and discharging seeding blocks. Through hole 4, the N seed filling and discharging through holes 4 respectively connect the seed discharging port of the seed box 1 with the seed feeding end of the seed delivery tube 8 in sequence, and a variable adjustment drive and locking plate 12 with an adjustment locking pin 13 is rotatably mounted on the central part of the ring frame 5 through a central pin shaft 14, and a plurality of adjustment locking holes 15 are provided on the upper end surface of the central part of the ring frame 5 along the circumferential direction of the same rotation radius, and the variable adjustment drive and locking plate 12 and the ring frame 5 are locked into one by inserting the adjustment locking pin 13 into the adjustment locking hole 15, and the variable adjustment drive and locking plate 12 is hingedly connected to the variable control block 2 at the end through the drive pin shaft 11; a starting limit sensor 17 and an end limit sensor 10 are respectively fixedly arranged at the outer side of the outer cylinder ring 7, and the starting limit sensor 17 and the end limit sensor 10 are respectively in contact with or out of contact with the variable adjustment drive and locking plate 12 in sequence, and the wire connects the motor 9 with the starting limit sensor 17 and the end limit sensor 10 respectively. The variable adjustment transmission and locking frame 3 is composed of a main pin shaft 3-1, a transmission and locking plate A3-2, a transmission and locking plate B3-3 and a tension spring 3-4. The main pin shaft 3-1 is inserted into the transmission and locking plate A3-2 and the transmission and locking plate B3-3 to hinge them rotatably together. The two ends of the tension spring 3-4 are respectively connected to the transmission and locking plate A3-2 and the transmission and locking plate B3-3.

[0012] During seed supply operation, the motor 9 drives the inner cylinder ring 6 and the outer cylinder ring 7 to rotate synchronously through the ring frame 5. At the same time, the variable adjustment locking pin 13, the variable adjustment drive and locking plate 12 and the driving pin shaft 11 drive the variable control block 2 at the end and drive the remaining N-1 variable control blocks 2 and the inner and outer cylinder rings 6 and 7 to rotate synchronously through N variable adjustment transmissions and locking frames 3 in turn. When the seed filling and discharge through hole 4 rotates to the position between the seed discharge port of the seed box 1 and the seed entry end of the seed delivery tube 8, a multi-seed supply operation is completed, and it is carried out in sequence. When the variable adjustment drive and locking plate 12 contact the starting limit sensor 17 or the end limit sensor 10 in turn, the motor 9 changes direction and rotates, driving the inner and outer cylinder rings 6 and 7 to swing back and forth in a circle to complete the continuous operation.

[0013] When it is necessary to adjust the seed filling amount of multiple seeds, the motor 9 is stationary, the adjustment locking pin 13 is pulled out from the adjustment locking hole 15, and the variable adjustment drive and locking plate 12 is manually rotated relative to the inner and outer cylinder rings 6 and 7. The variable control block 2 at the end is driven by the driving pin shaft 11 to move circumferentially in the area between the inner and outer cylinder rings 6 and 7, and through the cooperation of N variable adjustment transmissions and locking frames 3 and the starting positioning block 16, the N variable control blocks 2 are synchronously pushed or pulled in sequence to move circumferentially in the same direction and at the same distance, and the circumferential size of each seed filling and discharging through hole 4 is changed and adjusted at the same time, and then the adjustment locking pin 13 is inserted into the adjustment locking hole 15 to complete the adjustment locking.

Claims

1. A circular reciprocating swing type annular variable seeding mechanism, comprising a seed box (1) and a seed delivery pipe (8), wherein the seed entry end of the seed delivery pipe (8) is located below the seed delivery port of the seed box (1), characterized in that: A ring frame (5) is fixedly mounted on the motor shaft of a fixedly configured motor (9), an inner cylinder ring (6) and an outer cylinder ring (7) are fixedly mounted on the outer end of the ring frame (5) in sequence from the inside to the outside, a starting end positioning block (16) and N variable control blocks (2) are sequentially mounted along the circumferential direction on the portion between the outer wall surface of the inner cylinder ring (6) and the inner wall surface of the outer cylinder ring (7), the starting end positioning block (16) being fixedly mounted on the outer wall surface of the inner cylinder ring (6) and the inner wall surface of the outer cylinder ring (7), and the N variable control blocks (2) being able to be mounted on the inner cylinder ring along the circumferential direction. (6) slides between the outer wall surface and the inner wall surface of the outer cylinder ring (7), and the N variable adjustment transmission and locking frames (3) respectively hinge the starting end positioning block (16) with the variable control block (2) at the adjacent starting end and the adjacent N variable control blocks (2) in sequence, and N seed filling and discharging through holes (4) are formed at intervals at the position between the inner cylinder ring (6) and the outer cylinder ring (7) located between the starting end positioning block (16) and the adjacent variable control block (2) and other adjacent variable control blocks (2), and the N seed filling and discharging through holes (4) respectively connect the seed box (1) in sequence. ) a seed discharging port is connected with a seed feeding end of a seed delivery tube (8); a variable adjustment drive and locking plate (12) with an adjustment locking pin (13) is rotatably mounted on the central part of the ring frame (5) through a central pin shaft (14); a plurality of adjustment locking holes (15) are provided on the upper end surface of the central part of the ring frame (5) along the circumferential direction of the same rotation radius; the variable adjustment drive and locking plate (12) and the ring frame (5) are locked into one body by inserting the adjustment locking pin (13) into the adjustment locking hole (15); the variable adjustment drive and locking plate (12) and the ring frame (5) are locked into one body; The driving and locking plate (12) is hingedly connected to the variable control block (2) at the end through a driving pin shaft (11); a starting limit sensor (17) and a terminal limit sensor (10) are respectively fixedly arranged at the outer side of the outer tube ring (7); the starting limit sensor (17) and the terminal limit sensor (10) are respectively in contact with or out of contact with the variable adjustment driving and locking plate (12); and a wire connects the motor (9) to the starting limit sensor (17) and the terminal limit sensor (10).

2. The circular reciprocating swing type annular variable seeding mechanism according to claim 1, characterized in that: The variable adjustment transmission and locking frame (3) is composed of a main pin shaft (3-1), a transmission and locking plate A (3-2), a transmission and locking plate B (3-3) and a tension spring (3-4). The main pin shaft (3-1) is inserted into the transmission and locking plate A (3-2) and the transmission and locking plate B (3-3) to be rotatably hinged together, and the two ends of the tension spring (3-4) are respectively connected to the transmission and locking plate A (3-2) and the transmission and locking plate B (3-3).

Images