Seed metering structure of wheat seeder

Abstract

The utility model relates to the technical field of seeding metering, in particular to a seed metering structure of a wheat seeding machine, which comprises a metering component, the metering component comprises a cylinder, a feed port is arranged above the cylinder, a roller is arranged in the cylinder, discharge holes are arranged on the roller at equal angles, through holes matched with the discharge holes are arranged below the cylinder, and the through holes are communicated with the discharge holes. Servo motors are arranged above and below the front wall of the barrel and connected with rotating shafts, rotating bearings of the servo motors penetrate through the barrel and then are connected with the outer wall of the roller, the rotating shafts are arranged at the lower positions in the roller, the two ends of the rotating shafts are rotationally connected with the inner wall of the roller through the bearings, rotating pieces are arranged on the rotating shafts at equal intervals, and protruding parts of the rotating pieces are arranged in the discharging holes; the rotating part is of an elastic structure, the roller is driven by the servo motor to rotate, and the equal-angle discharging holes and the rotating part are matched, so that seed accumulation and blockage are effectively prevented, uniform metering and stable output of seeds are ensured, and the seeding efficiency and the operation stability are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sowing measurement technical field, concretely relates to a seed measurement structure of wheat seeding machine. BACKGROUND

[0002] The seed measurement structure of the existing wheat seeding machine appears uneven measurement or blockage phenomenon in the sowing process often because of the shape, size and flow difference of seeds, influences sowing efficiency and operation quality, especially when the seed humidity is higher or with impurities, is easy to accumulate in the measurement mechanism, leads to the discharge not smooth or blockage, even needs to stop cleaning seriously, wastes time and manpower. The traditional measurement device usually adopts single gravity flow mode to carry out seed conveying and measurement, and the design is difficult to effectively guarantee the stability of measurement when facing seed adhesion or flow deficiency, in addition, the fixed driving mode is adopted in the existing technology of the drum type measurement structure, the rotating speed or measurement precision cannot be adjusted flexibly according to actual needs, leading to the requirement of different plots and planting density cannot be considered when sowing. SUMMARY

[0003] The utility model discloses a seed measurement structure of wheat seeding machine, which can solve the above-mentioned defects.

[0004] To achieve the above object, the utility model adopts the following technical scheme: it contains the measurement component, the measurement component is arranged below the hopper, the measurement component contains the cylinder, the inlet is formed in the upper portion of the cylinder, the cylinder is equipped with the drum, the drum is equipped with the discharge hole at the equal angle, the through hole that is matched with the discharge hole is formed in the lower portion of the cylinder, the servo motor is equipped on the front wall of the cylinder, the output end of the servo motor is connected with the rotating shaft by the shaft coupling, the rotating shaft of the servo motor penetrates the rear of the cylinder by the bearing and is fixedly connected with the outer wall of the drum, the rotating shaft is arranged at the lower position in the drum, the both ends of the rotating shaft are rotatably connected with the inner wall of the drum by the bearing, the rotating member is equidistantly arranged on the rotating shaft, the convex part of the rotating member is arranged in the discharge hole, and the rotating member is of elastic structure.

[0005] Further, the inlet is of trapezoidal structure, the vertical plate of the inlet is fixedly provided with a brush, and the brush is arranged on the surface of the drum.

[0006] Further, the bottom of the hopper is provided with a funnel structure, the funnel structure is provided with a fixing frame, and the cylinder is connected with the fixing frame by bolts.

[0007] Further, the top of the hopper is fixedly provided with a mounting plate, and the mounting plate is provided with a stirring assembly.

[0008] Further, the metering assembly further comprises a shell, the left side of the shell is hollow, the front wall of the shell is provided with a reciprocating motor, the output end of the reciprocating motor is connected with a rotating shaft, the rotating shaft is arranged in the shell through a bearing, a half gear is arranged on the rotating shaft, a rack plate is engaged below the half gear, a limiting plate is arranged at the left end of the rack plate, the right end of the rack plate passes through a connecting plate, and a pushing plate is arranged at the terminal end, the connecting plate is fixed in the shell, the connecting plate and the pushing plate are connected through a spring, the pushing plate is arranged in close contact with the inner wall of the shell, and a baffle is arranged at the right side of the shell.

[0009] Further, the discharge port below the cylinder is arranged through the upper part of the shell, and the feeding hole is connected with a feeding pipeline.

[0010] Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a seed metering structure of a wheat seeding machine, the rotating drum is driven to rotate through the servo motor, the equal-angle discharge hole and the rotating piece are matched, seed accumulation and blockage are effectively prevented, uniform metering and stable output of the seeds are ensured, and the seeding efficiency and operation stability are improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model.

[0012] Figure 2 It is a structural schematic diagram of the utility model without a shell.

[0013] Figure 3 It is a sectional structure schematic diagram of the cylinder of the utility model.

[0014] Figure 4 It is a structural schematic diagram in the shell of the utility model.

[0015] Mark explanation: metering assembly 1, shell 11, servo motor 12, discharge port 13, cylinder 14, rotating drum 15, brush 16, through hole 17, discharge hole 18, rotating piece 19, limiting plate 110, half gear 111, connecting plate 112, pushing plate 113, rack plate 114, reciprocating motor 115, feeding hole 116, spring 117, baffle 118, feeding port 119, stirring assembly 2, hopper 3, mounting plate 4, fixed frame 5. DETAILED DESCRIPTION

[0016] The technical solutions in the utility model will be described clearly and completely in combination with the drawings, and the preferred embodiments in the description are only taken as examples, and all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0017] As Figures 1-4The embodiment shown adopts the following technical scheme: it comprises a metering assembly 1 arranged below a hopper 3, the metering assembly 1 comprising a barrel 14, the barrel 14 being provided with an inlet 119 above, a roller 15 being rotatably arranged in the barrel 14, the roller 15 being provided with discharge holes 18 at equal angles, the barrel 14 being provided with through holes 17 below and matched with the discharge holes 18, a servo motor 12 being fixed to the front wall of the barrel 14, an output end of the servo motor 12 being connected with a rotating shaft through a coupling, the rotating shaft of the servo motor 12 penetrating through the rear of the barrel 14 and being fixedly connected with the outer wall of the roller 15, a rotating shaft being arranged at a lower position in the roller 15, the rotating shaft being rotatably connected with the inner wall of the roller through bearings at both ends, the rotating shaft being provided with rotating members 19 at equal distances, the protruding part of the rotating member 19 being arranged in the discharge hole 18, the rotating member 19 being of an elastic structure; the inlet 119 is of a trapezoidal structure, the vertical plate of the inlet 119 being fixed with a brush 16, the brush 16 being arranged in close contact with the surface of the roller 15; the hopper 3 is provided with a funnel structure at the bottom, the funnel structure being fixed with a fixed frame 5, the barrel 14 being connected with the fixed frame 5 through bolts; the hopper 3 is fixed with a mounting plate 4 above, the mounting plate 4 being provided with a stirring assembly 2; the metering assembly 1 further comprises a housing 11, the left side of the housing 11 being hollow, the front wall of the housing 11 being fixed with a reciprocating motor 115, an output end of the reciprocating motor 115 being connected with a rotating shaft, the rotating shaft being arranged in the housing 11 through bearings, the rotating shaft being fixedly sleeved with a half gear 111, the half gear 111 being engaged with a rack plate 114 below, the left end of the rack plate 114 being fixed with a limiting plate 110, the right end of the rack plate 114 penetrating through a connecting plate 112 and being fixed with a push plate 113 at the end, the connecting plate 112 being fixed in the housing 11, the push plate 113 being arranged in close contact with the inner wall of the housing 11 through springs 117 between the connecting plate 112 and the push plate 113, the push plate 113 being arranged in close contact with the inner wall of the housing 11, the right side of the housing 11 being provided with a baffle 118 through a buckle structure, the baffle 118 being provided with feeding holes 116 at equal distances at the bottom; the discharge outlet 13 below the barrel 14 is arranged through the upper part of the housing 11, the feeding holes 116 being connected with feeding pipelines.

[0018] In use of the utility model, firstly, the cylinder 14 of the metering assembly 1 is fixed with the fixing frame 5 by bolts, the hopper 3 is installed on the fixing frame 5, the fixing frame 5 is connected with the agricultural vehicle, the feeding hole 116 is connected with the feeding pipe, then the wheat seeds are poured into the hopper 3, the servomotor 12 and the reciprocating motor 115 are opened, the hopper 3 is pushed and accumulated at the inlet through the trapezoidal structure of the feeding port 119, the servomotor 12 drives the roller 15 to rotate, the wheat seeds enter into the roller 15 through the feeding hole formed in the roller 15, the brush 16 above the roller 15 sweeps the wheat seeds in the discharge hole 18 and falls into the roller 15, the rotating member 19 with elastic structure is driven to rotate while the roller 15 rotates, the protruding structure on the rotating member 19 is arranged in the discharge hole 18 in angle cooperation with the discharge hole 18, the protruding structure on the rotating member 19 is arranged in the discharge hole 18, the wheat seeds stuck in the discharge hole 18 are unblocked, the rotation speed of the servomotor 12 is adjusted to adjust the output speed of the wheat seeds, the wheat seeds enter into the shell 11 through the through hole 17, the half gear 111 is driven to rotate by the reciprocating motor 115, the rack plate 114 meshed with the half gear 111 is driven to reciprocate, thereby the wheat seeds in the shell 11 enter into the feeding pipe through the feeding hole 116 by the pushing plate 113, the connecting plate 112 and the pushing plate 113 are connected by the spring 117 to keep the stability of reciprocation, the stirring assembly 2 in the hopper 3 prevents the wheat seeds from agglomerating and blocking in the hopper 3.

[0019] Compared with the prior art, the specific embodiment has the following beneficial effects:

[0020] 1. The servomotor drives the roller to rotate, cooperates with the equal-angle discharge hole and the rotating member, effectively prevents the seeds from accumulating and blocking, ensures uniform metering and stable output of the seeds, and improves seeding efficiency and operation stability.

[0021] 2. The trapezoidal design of the feeding port and the vertical plate provided with the brush ensure that the seeds can smoothly enter the cylinder and adhere to the surface of the roller, effectively prevent the seeds from accumulating and blocking during the feeding process, and ensure uniform metering.

[0022] 3. The stirring assembly arranged above the hopper can keep the flowability of the seeds during the feeding process, prevent the seeds from caking or sticking due to long-term storage, and improve the conveying stability of the seeds.

[0023] 4. The reciprocating motor is arranged in the shell, the rack plate meshed with the half gear is driven to reciprocate, the pushing plate and the connecting plate are connected by the spring, and the feeding is smooth and accurate.

[0024] For those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, and equivalent replacement of part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A seed metering structure for a wheat planter, characterized by: It contains the metering assembly (1), the metering assembly (1) is arranged below the hopper (3), the metering assembly (1) contains the barrel (14), the barrel (14) is provided with the feed inlet (119) on the top, the barrel (14) is provided with the roller (15) in, the roller (15) is provided with the discharge hole (18) on the equal angle, the barrel (14) is provided with the through hole (17) matched with the discharge hole (18) below, the front wall of the barrel (14) is provided with the servo motor (12), the output end of the servo motor (12) is connected with the rotating shaft using the shaft coupling, the rotating shaft of the servo motor (12) penetrates the rear of the barrel (14) using the bearing, and is fixedly connected with the outer wall of the roller (15), the lower position in the roller (15) is provided with the rotating shaft, the rotating shaft is rotatably connected with the inner wall of the roller using the bearing at both ends, and the rotating shaft is provided with the rotating part (19) at equal intervals, the protruding part of the rotating part (19) is arranged in the discharge hole (18), and the rotating part (19) is of elastic structure.

2. A seed metering structure for a wheat seeding machine as claimed in claim 1, wherein: The feed inlet (119) is of trapezoidal structure, the vertical plate of the feed inlet (119) is fixedly provided with a brush (16), and the brush (16) is arranged on the surface of the roller (15).

3. A seed metering structure for a wheat seeding machine as claimed in claim 2, wherein: The hopper (3) is provided with a fixed frame (5) on the funnel structure, and the barrel (14) is connected with the fixed frame (5) by bolts.

4. A seed metering structure for a wheat seeding machine as claimed in claim 3, wherein: The hopper (3) is fixedly provided with a mounting plate (4) above, and the mounting plate (4) is provided with a stirring assembly (2).

5. A seed metering structure for a wheat seeding machine as claimed in claim 4 wherein: The metering assembly (1) further comprises a shell (11), the left side of the shell (11) is hollow, the front wall of the shell (11) is provided with a reciprocating motor (115), the output end of the reciprocating motor (115) is connected with a rotating shaft, the rotating shaft is arranged in the shell (11) using a bearing, a half gear (111) is arranged on the rotating shaft, the half gear (111) is meshed with a rack plate (114) below, the left end of the rack plate (114) is provided with a limiting plate (110), the right end of the rack plate (114) penetrates through a connecting plate (112), and the terminal end is provided with a push plate (113), the connecting plate (112) is fixed in the shell (11), the connecting plate (112) and the push plate (113) are connected by a spring (117), the push plate (113) is arranged on the inner wall of the shell (11), and the right side of the shell (11) is provided with a baffle (118), the bottom of the baffle (118) is provided with a feeding hole (116) at equal intervals.

6. A seed metering structure for a wheat seeding machine as claimed in claim 5 wherein: The discharge port (13) below the barrel (14) penetrates the upper part of the shell (11) and is arranged, and the feeding hole (116) is connected with the feeding pipeline.

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