Rapid sowing and seed metering device

Abstract

The utility model relates to the technical field of precision seed-metering devices, in particular to a rapid seeding seed-metering device which comprises a connecting frame, seeding trays are respectively connected to two sides of the rear part of the connecting frame, and a seed bin assembly is arranged at the upper end of the connecting frame; by arranging the hole opening pieces, when the hole forming device penetrates through a mulching film to be inserted into the land during sowing, the duckbilled shifting piece is pressed against the ground to enter an open state, and meanwhile, the first hole opening piece and the second hole opening piece can further expand the opening of the mulching film, so that the situation that normal growth of the overground part of a plant is limited due to the fact that the opening of the mulching film is too small is avoided; by arranging the seed ejecting assembly, the seeding bin is driven to rotate along with pulling of the tractor body, seeds enter the hole forming device under the folding action of the seed ejecting assembly, the seeds of each hole forming device are guided individually, each seed is effectively utilized, meanwhile, the seeds are guided in a manner of ejecting the seeds, the operation efficiency of the seeder is improved, and the seeding efficiency of the seeder is improved. When the tractor runs at a high speed, seed leakage can be avoided and seed quantity can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of precision seed metering device, specifically is a kind of quick seeding seed metering device. BACKGROUND

[0002] Seed metering device is one of the key components of seeding machine, and its performance directly affects the seeding quality of crops. The main function of seed metering device is to uniformly and accurately discharge seeds from seed box during field operation, and drop into the soil according to certain row spacing and plant spacing. According to different crop types, soil conditions and agronomic requirements, the design and working principle of seed metering device are different.

[0003] Through retrieval, the patent number CN114830887A provides a depth-adjustable seed metering device, which comprises a rotating seed wheel, a fixed part, a seed extractor and a seed inlet pipe. The rotating seed wheel is in the shape of a disc, and a plurality of partition blocks are fixedly connected to one side of the rotating seed wheel. The end of the partition blocks away from the rotating seed wheel is fixedly connected to a closed ring. The rotating seed wheel is connected to the side of the partition blocks, and the coaxially fixedly connected seed extractor fixing cylinder is fixedly connected to the side of the partition blocks. The inner part of the partition blocks is movably connected to one seed depth adjusting mechanism. The seed metering device has good seed metering effect, eliminates the phenomenon of seed blockage, and can adjust the seed depth.

[0004] However, the seed metering device does not guide the seeds in time when running at high speed, resulting in the situation of less seeding and missed seeding during the seeding process. UTILITY MODEL CONTENT

[0005] In view of the existing problems, the utility model provides a quick seeding seed metering device to solve the problems mentioned in the background technology.

[0006] In order to solve the above problems, the utility model provides a kind of quick seeding seed metering device, including connecting frame, the connecting frame rear side is respectively connected with seeding disc, the connecting frame upper end is provided with seed bin subassembly, the connecting frame includes support, the support lower side rear side is hinged with connecting rod, the connecting rod rear side is provided with two connecting pieces, the connecting rod rear side upper side is provided with seed bin connecting rod, the support upper end is connected with the one end of adjusting piece, the other end of adjusting piece is connected in the rear center of connecting rod;The seeding disc includes the connecting rod fixedly installed in connecting piece interior, the connecting rod is fixedly connected in the center of cover shell, one end of connecting rod is fixedly connected in connecting piece interior, and the other end is rotatably connected in the shaft sleeve of the center of seeding bin, the shaft sleeve outside is sleeved with first shift block, the first shift block outside is sleeved with protective plate, a plurality of seed holes are formed in the seeding bin, a plurality of hole forming devices and duckbill shift piece are provided on the outside of the seeding bin, a plurality of seed ejecting assemblies are provided between the seeding bin and the protective plate, the duckbill shift piece is hinged on the seeding bin, and one end thereof is attached to the outlet of the hole forming device, the hole forming device, duckbill shift piece, seed hole and seed ejecting assembly are one-to-one corresponding;The seed bin subassembly includes two seed bins installed on both sides of seed bin connecting rod, the seed bin lower end is connected with seed inlet pipe, the seed inlet pipe lower end is provided with impurity removal port, and the seed inlet pipe is communicated with the cover shell.

[0007] Further, a cleaning brush is installed above the first shift block in the cover shell, and a first stop block is arranged below the first shift block in the cover shell.

[0008] Further, an inlet port is formed on the side of the cover shell, and a baffle is installed on the inlet port.

[0009] Further, the first shift block includes a rotating shaft sleeved on the shaft sleeve, a fixed disc is sleeved on the rotating shaft, a shift block A is arranged on the side of the fixed disc close to the cover shell, a shift block B and a shift block C are arranged on the other side of the fixed disc in the same direction as the seed outlet port, and the shift block A is attached to the first stop block.

[0010] Further, a first hole opener is arranged at the top end of the hole forming device, and a second hole opener is arranged at the top end of the duckbill shift piece.

[0011] Further, the seed ejecting assembly includes a second shift block hinged on the seeding bin, a clamping spring is installed on the connecting rod of the seeding bin and the second shift block, a second stop block is arranged in front of the second shift block on the seeding bin, the two ends of the clamping spring are respectively abutted on the side surfaces of the second shift block and the second stop block, the free end of the second shift block is hinged on one end of the seed ejecting connecting rod, the other end of the seed ejecting connecting rod is hinged on one end of the seed ejecting shift piece, and one end of the seed ejecting shift piece is hinged on the seeding bin.

[0012] The utility model has the following beneficial effects compared with prior art:

[0013] 1. The utility model discloses a hole opening piece is set, when sowing, when the hole former inserts into the earth through the mulch, the duck bill is pressed into the opening state through the ground, and the first hole opening piece and the second hole opening piece further expand the mulch opening, so that the normal growth of the plant above ground is limited due to the small mulch opening.

[0014] 2. The utility model discloses a seed ejection assembly, which is driven by the tractor body to rotate the seed sowing bin, the first block A on one side of the first block abuts against the first block, and the block B and the block C on the other side abut against the second block, so that the second block rotates, and the seed ejection block is driven by the seed ejection link, when the seed ejection block rotates to the seed opening position, the second block passes through the block B and is contracted to the position of the second block under the action of the clamp spring, at this time, the seed reaches the hole former under the contraction of the seed ejection block, so that each hole former has single seed flow, the seed sowing cost is reduced, each seed is effectively utilized, the seed sowing efficiency of the seed sowing device is improved, and the seed sowing device can not miss seeds when the tractor runs at high speed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of a quick seed sowing seed sowing device;

[0016] Figure 2 It is a connecting frame part schematic view of a quick seed sowing seed sowing device;

[0017] Figure 3 It is a seed sowing disc explosion view of a quick seed sowing seed sowing device;

[0018] Figure 4 It is a cover and seed bin assembly part schematic view of a quick seed sowing seed sowing device;

[0019] Figure 5 It is a seed sowing disc part cross section schematic view of a quick seed sowing seed sowing device;

[0020] Figure 6 It is a seed ejection assembly local schematic view of a quick seed sowing seed sowing device;

[0021] Figure 7 It is a first block schematic view of a quick seed sowing seed sowing device;

[0022] Figure 8 It is a seed ejection assembly working state schematic view of a quick seed sowing seed sowing device;

[0023] Explanation of reference numerals in the drawing:

[0024] 1, connecting frame; 101, support; 102, connecting rod; 103, connecting piece; 104, seed bin connecting rod; 105, adjusting piece; 2, seeding disc; 201, connecting rod; 202, cover; 2021, cleaning brush; 2022, first stop block; 2023, seed inlet; 2024, baffle; 2025, impurity discharge port; 2026, seed outlet; 203, seeding bin; 204, protection plate; 205, first shifting block; 206, hole former; 2061, first hole opener; 207, duckbill shifting piece; 2071, first hole opener; 208, seed inlet hole; 209, seed ejecting assembly; 2091, second shifting block; 2092, clamping spring; 2093, second stop block; 2094, seed ejecting connecting rod; 2095, seed ejecting shifting piece; 210, shaft sleeve; 3, seed bin assembly; 301, seed bin; 302, seed inlet pipe; 303, impurity discharge port. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Please refer to Figures 1-8The utility model provides a kind of quick seeding seed metering device, including connecting frame 1, the connecting frame 1 rear two sides are connected with seeding disc 2 respectively, the connecting frame 1 upper end is provided with seed bin assembly 3, the connecting frame 1 includes support 101, the rear lower side of support 101 is hinged with connecting rod 102, the rear two sides of connecting rod 102 are provided with two connectors 103, the rear upper side of connecting rod 102 is provided with seed bin connecting rod 104, one end of the upper end of support 101 is connected with adjusting part 105, the other end of adjusting part 105 is connected in the rear center of connecting rod 102;The seeding disc 2 includes connecting rod 201 fixedly installed in connector 103 inside, the central part of cover 202 is fixedly connected with connecting rod 201, one end of connecting rod 201 is fixedly connected in connector 103 inside, and the other end is rotatably connected in the central shaft sleeve 210 of seeding bin 203, first block 205 is sleeved on the outside of shaft sleeve 210, the outside of first block 205 is sleeved with guard plate 204, a plurality of seed holes 208 are formed in seeding bin 203, a plurality of hole formers 206 and duckbill paddles 207 are arranged on the outside of seeding bin 203, a plurality of seed ejection assemblies 209 are arranged between seeding bin 203 and guard plate 204, duckbill paddle 207 is hinged on seeding bin 203, and one end thereof is attached to the outlet of hole former 206, hole former 206, duckbill paddle 207, seed hole 208 and seed ejection assembly 209 correspond one by one;The seed bin assembly 3 includes two seed bins 301 installed on the two sides of seed bin connecting rod 104, the lower end of seed bin is connected with seed inlet pipe 302, the lower end of seed inlet pipe 302 is provided with impurity removal port 303, and seed inlet pipe 302 is communicated with cover 202.

[0027] By adopting the above technical scheme, the impurities in the pipe can be poured out through the impurity removal port 303 after the seeding is completed, so as to avoid affecting the further seeding operation.

[0028] Among them, cleaning brush 2021 is installed in cover 202 and located above first block 205, first block 2022 is arranged in cover 202 and located below first block 205, impurity removal port 2025 is arranged on the lower side of the side wall of cover 202, and seed outlet 2026 is formed in the front of the side wall of cover 202.

[0029] By adopting the above technical scheme, under the pulling of the tractor body, the whole seeding bin 203 rotates forward, while the cover 202 is stationary, the seeds are fed into hole former 206 through seed ejection assembly 209, when hole former 206 penetrates the mulching film and inserts into the soil, duckbill paddle 207 enters the opening state for seeding by abutting against the ground.

[0030] The cover 202 is provided with an inlet 2023 on one side, and a baffle 2024 is installed on the inlet 2023.

[0031] The first shifting block 205 comprises a rotating shaft 2052 sleeved on a shaft sleeve 210, a fixed disc 2051 is sleeved on the outer ring of the rotating shaft 2052, a shifting block A 2053 is arranged on the side of the fixed disc 2051 close to the cover 202, a shifting block B 2054 and a shifting block C 2055 are arranged on the other side of the fixed disc 2051 and in the same direction as the seed outlet 2026, and the shifting block A 2053 is in abutment with the first blocking block 2022.

[0032] By adopting the above technical scheme, when the seeding bin 203 rotates, the shifting block A 2053 on the first shifting block 205 abuts against the first blocking block 2022, so that the first shifting block 205 will not rotate with the seeding bin 203.

[0033] The hole former 206 is provided with a first hole opening piece 2061 at the top end, and the duck-billed shifting piece 207 is provided with a second hole opening piece 2071 at the top end.

[0034] By adopting the above technical scheme, when the hole former 206 penetrates the mulch film and is inserted into the soil, the duck-billed shifting piece 207 is pressed into an open state by abutting against the ground, and the first hole opening piece 2061 and the second hole opening piece 2071 further expand the opening of the mulch film, so as to avoid that the normal growth of the aboveground part of the plant is limited due to the small opening of the mulch film.

[0035] The seed ejecting assembly 209 comprises a second shifting block 2091 hinged on the seeding bin 203, a clamping spring 2092 is installed on the connecting rod of the seeding bin 203 and the second shifting block 2091, a second blocking block 2093 is arranged on the seeding bin 203 and in front of the second shifting block 2091, the two ends of the clamping spring 2092 are respectively abutted against the sides of the second shifting block 2091 and the second blocking block 2093, the free end of the second shifting block 2091 is hinged on one end of a seed ejecting connecting rod 2094, the other end of the seed ejecting connecting rod 2094 is hinged on one end of a seed ejecting shifting piece 2095, and one end of the seed ejecting shifting piece 2095 is hinged on the seeding bin 203.

[0036] By adopting the technical scheme, the seeding bin 203 is driven to rotate by the pulling of the towing vehicle body, the block A 2053 on one side of the first block 205 abuts against the first block 2022, the block B 2054 and the block C 2055 on the other side abut against the second block 2091, the second block 2091 is driven to rotate, the seed-ejecting link 2094 drives the seed-ejecting piece 2095 to rotate to the seed outlet 2026, the second block 2091 passes the block B 2054 and is driven to shrink to the position of the second block 2093 under the action of the clamping spring 2092, at this moment, the seed is driven into the hole forming device 206 under the shrinking action of the seed-ejecting piece 2095, the seed in each hole forming device 206 is single-flowed, the seeding cost is reduced, each seed is effectively utilized, the seed is guided by the seed-ejecting mode, the operation efficiency of the seeder is effectively improved, and the seed is not missed or less missed when the towing vehicle runs at a high speed; when the hole forming device 206 penetrates the mulching film and is inserted into the soil, the duckbill piece 207 is pressed into the open state by abutting against the ground.

[0037] The specific embodiments of the utility model:

[0038] Before the seeding operation is performed, the connecting frame 1 is installed at the rear of the towing vehicle, and the seed bin 301 is supplemented with seeds.

[0039] When the seeding operation is performed, the towing vehicle is started, the seeder is pulled to advance, the seeding bin 203 is driven to rotate, the seeds in the seed bin 301 pass through the seed inlet pipe 302 and enter the lower end part in the seeding bin 203, the block A 2053 on one side of the first block 205 abuts against the first block 2022, so that the first block and the cover 202 are both in a static state, the block B 2054 and the block C 2055 on the other side abut against the second block 2091, so that the second block 2091 is driven to rotate, the seed-ejecting link 2094 drives the seed-ejecting piece 2095 to rotate to the seed outlet 2026, the second block 2091 passes the block B 2054 and is driven to shrink to the position of the second block 2093 under the action of the clamping spring 2092, at this moment, the seed is driven into the hole forming device 206 under the shrinking action of the seed-ejecting piece 2095, the seed in each hole forming device 206 is single-flowed, the seeding cost is reduced, each seed is effectively utilized, the seed is guided by the seed-ejecting mode, the operation efficiency of the seeder is effectively improved, and the seed is not missed or less missed when the towing vehicle runs at a high speed; when the hole forming device 206 penetrates the mulching film and is inserted into the soil, the duckbill piece 207 is pressed into the open state by abutting against the ground, the first hole forming piece 2061 and the second hole forming piece 2071 further expand the opening of the mulching film, and the normal growth of the plant aboveground part is avoided due to the small opening of the mulching film.

[0040] The above merely describes a preferred embodiment of the present application; the scope of protection of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and improvement concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the scope of protection of the present application.

Claims

1. A rapid seeding seed-metering device, comprising a connecting frame (1), two sides of the rear of the connecting frame (1) are respectively connected with seed-metering discs (2), and a seed bin assembly (3) is arranged at the upper end of the connecting frame (1), characterized in that: The connecting frame (1) comprises a support (101), the lower rear side of the support (101) is hinged with a connecting rod (102), the rear sides of the connecting rod (102) are provided with two connecting pieces (103), the rear upper side of the connecting rod (102) is provided with a seed bin connecting rod (104), one end of the support (101) is connected with an adjusting piece (105), the other end of the adjusting piece (105) is connected to the rear center of the connecting rod (102); The seeding disc (2) comprises a connecting rod (201) fixedly installed in the connecting piece (103), the connecting rod (201) is fixedly connected to the center of the cover (202), one end of the connecting rod (201) is fixedly connected to the inside of the connecting piece (103), the other end is rotatably connected to the shaft sleeve (210) in the center of the seeding bin (203), the outer side of the shaft sleeve (210) is sleeved with a first shifting block (205), the outer side of the first shifting block (205) is sleeved with a protective plate (204), a plurality of seed inlet holes (208) are formed in the seeding bin (203), a plurality of hole forming devices (206) and duckbill shifting pieces (207) are arranged on the outer side of the seeding bin (203), a plurality of seed ejecting assemblies (209) are arranged between the seeding bin (203) and the protective plate (204), the duckbill shifting piece (207) is hinged on the seeding bin (203), one end of the duckbill shifting piece (207) is fitted with the outlet of the hole forming device (206), the hole forming device (206), the duckbill shifting piece (207), the seed inlet hole (208) and the seed ejecting assembly (209) are in one-to-one correspondence. The seed bin assembly (3) comprises two seed bins (301) installed on both sides of the seed bin connecting rod (104), the lower end of the seed bin (301) is connected with a seed inlet pipe (302), the lower end of the seed inlet pipe (302) is provided with a cleaning opening (303), the seed inlet pipe (302) is communicated with the cover (202).

2. A rapid seeding seed meter according to claim 1, characterized in that: The cleaning brush (2021) is installed in the cover (202) above the first shifting block (205), the first blocking piece (2022) is arranged below the first shifting block (205) in the cover (202), the impurity discharge opening (2025) is arranged on the lower side of the side wall of the cover (202), the seed outlet (2026) is formed in the front of the side wall of the cover (202).

3. A rapid seeding seed meter according to claim 2, characterized in that: The seed inlet (2023) is formed on the side of the cover (202), the baffle (2024) is installed on the seed inlet (2023), the cover (202) is communicated with the seed inlet pipe (302) through the seed inlet (2023).

4. A rapid seeding seed meter according to claim 3, characterized in that: The first shifting block (205) comprises a rotating shaft (2052) sleeved on a shaft sleeve (210), a fixed disc (2051) is sleeved on the outer ring of the rotating shaft (2052), a shifting block A (2053) is arranged on one side of the fixed disc (2051) close to the shell (202), a shifting block B (2054) and a shifting block C (2055) are arranged on the other side of the fixed disc (2051) and in the same direction as the seed outlet (2026), and the shifting block A (2053) is in contact with the first stop block (2022).

5. A rapid seeding seed meter according to claim 1, wherein: The top end of the hole forming device (206) is provided with a first hole forming sheet (2061), and the top end of the duckbill shifting sheet (207) is provided with a second hole forming sheet (2071).

6. A rapid seeding seed meter according to claim 1, wherein: The seed ejecting assembly (209) comprises a second shifting block (2091) hinged on the seed sowing bin (203), a clamping spring (2092) is arranged on the connecting rod of the seed sowing bin (203) and in contact with the second shifting block (2091), a second stop block (2093) is arranged on the seed sowing bin (203) and in front of the second shifting block (2091), the two ends of the clamping spring (2092) are respectively in contact with the side surfaces of the second shifting block (2091) and the second stop block (2093), the free end of the second shifting block (2091) is hinged on one end of a seed ejecting connecting rod (2094), the other end of the seed ejecting connecting rod (2094) is hinged on one end of a seed ejecting shifting sheet (2095), and one end of the seed ejecting shifting sheet (2095) is hinged on the seed sowing bin (203).

Images