Seed metering device for single-row uniform drilling

Abstract

The utility model relates to the technical field of seeders, in particular to a seed metering device for single-row uniform drill seeding, which comprises a fixing frame, a supporting rod is arranged on the fixing frame, a material distributing barrel is arranged at the top end of the supporting rod, a fixing handle is arranged on the side wall of the supporting rod, and a drill seeding square tube is arranged at the bottom of the fixing frame. A plurality of discharging pipes are distributed on the fixing frame in an array mode, the bottom ends of the discharging pipes are connected with the drilling square pipe, the top ends of the discharging pipes are connected with the material distributing barrel through material distributing pipes, and the material distributing assembly is arranged in the material distributing barrel and used for evenly distributing seeds in the material distributing pipes; the scattering rod is arranged in the drilling square pipe and is used for scattering the falling seeds; according to the utility model, the scattering rod is arranged in the drilling square tube, and after entering the drilling square tube along the blanking tube, seeds can impact the scattering rod, so that the seeds are scattered, and the phenomenon of gathering of the seeds is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of seed sower, specifically relates to a seed metering device for single row uniform strip sowing. BACKGROUND

[0002] The seed sower is the planting machine for crop seeds as the sowing object, and is used for the sowing of certain crops, and is often named after the crop type, such as grain strip sowing machine, corn hole sowing machine, cotton seed sower and pasture spreader, along with the continuous development of science and technology, farmers use more mechanized sowing equipment.

[0003] At present, the small seed sower for scientific research has a square tube at the bottom, a discharging pipe is connected to the square tube, a material distribution assembly is arranged at the top of the discharging pipe, the material distribution assembly is rotated by the motor to scatter the poured seeds and make the seeds fall into different discharging pipes to realize uniform material distribution, but after the seeds fall into the soil along the discharging pipe, the seeds are easy to gather together to form a group, which has a great influence on the later growth. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the above-mentioned insufficient, provides a seed metering device for single row uniform strip sowing.

[0005] In order to solve the above technical problem, the utility model adopts the following technical scheme:

[0006] A seed metering device for single row uniform strip sowing, including fixed frame, be provided with support rod on the fixed frame, the top of support rod is provided with the material distribution barrel, the side wall of support rod is provided with fixed handle, the bottom of fixed frame is provided with strip square tube, a plurality of discharging pipes are arrayed and distributed on the fixed frame, the bottom of discharging pipe is connected with strip square tube, the top of discharging pipe is connected with material distribution barrel through material distribution pipe, still include:

[0007] Material distribution assembly is arranged in the material distribution barrel and is used to uniformly distribute the seeds in the material distribution pipe.

[0008] The scattering rod is arranged in the strip square tube and is used to scatter the falling seeds.

[0009] Further, the material distribution assembly includes a cone barrel located in the middle of the inner cavity of the material distribution barrel, a plurality of discharging holes are distributed around the cone barrel, the discharging holes are connected with the material distribution pipe, the top of the cone barrel is provided with a feed hopper, and the bottom of the feed hopper is provided with a pressure pipe connected with the cone barrel.

[0010] Further, the top of the cone barrel is provided with a connecting rod extending into the feed hopper, and a material distribution rod is sleeved on the connecting rod.

[0011] Further, the material distribution barrel is further provided with a lifting assembly, and the lifting assembly is used to drive the feed hopper to move up and down. Further, the material distribution barrel is further provided with a lifting assembly, and the lifting assembly is used to drive the feed hopper to move up and down.

[0012] Further, the lifting assembly comprises a mounting frame fixed on the distributing cylinder, a lifting rod is rotatably arranged in the mounting frame through a fixed rotating shaft, one end of the lifting rod is provided with a bracket, and the bracket is sleeved on the pressing pipe.

[0013] Further, a reset spring is further arranged between the end of the lifting rod away from the bracket and the distributing cylinder.

[0014] Compared with the prior art, the utility model has the beneficial effects of:

[0015] The utility model discloses a strip sowing square pipe is provided with the scattering rod, and after the seed enters the strip sowing square pipe along the downcomer, will impact on the scattering rod, thereby lets the seed four scatters, avoids the phenomenon that the seed produces the gathering, and simultaneously is provided with the separable distributing assembly, can add the seed to the distributing assembly first, after moving to the suitable position, opens the distributing assembly, can let the seed drop. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings accompanying the specification provide further understanding of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation to the utility model. In the drawings:

[0017] Figure 1 It is the main body structure schematic diagram of the utility model;

[0018] Figure 2 It is the internal structure schematic diagram of the distributing cylinder of the utility model;

[0019] Figure 3 It is the structure schematic diagram of the lifting assembly of the utility model;

[0020] Figure 4 It is the structure schematic diagram of the strip sowing square pipe of the utility model.

[0021] In the drawing: 1, fixed frame, 2, support rod, 3, distributing cylinder, 31, downcomer hole, 4, fixed handle, 5, downcomer, 6, distributing pipe, 7, conical barrel, 71, connecting rod, 72, distributing rod, 8, feed hopper, 81, pressing pipe, 9, lifting assembly, 91, mounting frame, 92, lifting rod, 93, fixed rotating shaft, 94, bracket, 95, reset spring, 10, strip sowing square pipe, 11, scattering rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. In the case of no conflict, the embodiments in the application and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0024] Referring to Figures 1-4 As shown in the figure, a seed metering device for single-row uniform drilling, comprising a fixed frame 1, a supporting rod 2 is arranged on the fixed frame 1, a distributing cylinder 3 is arranged at the top end of the supporting rod 2, a fixed handle 4 is arranged on the side wall of the supporting rod 2, a drilling square tube 10 is arranged at the bottom of the fixed frame 1, a plurality of discharging pipes 5 are arrayed on the fixed frame 1, the bottom end of the discharging pipe 5 is connected with the drilling square tube 10, and the top end of the discharging pipe 5 is connected with the distributing cylinder 3 through a distributing pipe 6, further comprising:

[0025] A distributing assembly is arranged in the distributing cylinder 3, and is used for uniformly distributing seeds in the distributing pipe 6;

[0026] A scattering rod 11 is arranged in the drilling square tube 10, and after the seeds enter the drilling square tube 10 along the discharging pipe 5, the seeds will impact on the scattering rod 11, so that the originally gathered seeds are scattered.

[0027] In an embodiment, the distributing assembly comprises a conical barrel 7 located in the middle part of the inner cavity of the distributing cylinder 3, the conical barrel 7 is narrow at the top and wide at the bottom, a plurality of discharging holes 31 are distributed on the periphery of the conical barrel 7, the discharging hole 31 is connected with the distributing pipe 6, a feeding hopper 8 is arranged at the top of the conical barrel 7, the bottom end of the feeding hopper 8 is provided with a pressing pipe 81 connected with the conical barrel 7, and the pressing pipe 81 is sleeved on the top end of the conical barrel 7, so as to form a sealed state;

[0028] After the seeds are poured into the feeding hopper 8, the seeds will first accumulate at the bottom of the feeding hopper 8, and then the feeding hopper 8 can be pulled upwards to separate the pressing pipe 81 from the conical barrel 7, so that the seeds will fall along the surface of the conical barrel 7 into each distributing pipe 6.

[0029] In an embodiment, the top end of the cone barrel 7 is provided with a connecting rod 71 extending into the feeding hopper 8, and two distribution rods 72 are sleeved on the connecting rod 71, and the distribution rod 72 is specifically a sleeve ring sleeved on the connecting rod 71, and three blocking rods are arranged on the sleeve ring, the angles between the three blocking rods are the same, and the two distribution rods 72 are staggered, so that the bottom end of the whole feeding hopper 8 is divided into six uniform spaces, so that the seeds can be distributed as evenly as possible when falling.

[0030] In an embodiment, the distribution barrel 3 is further provided with a lifting assembly 9, and the lifting assembly 9 is used for driving the feeding hopper 8 to move up and down.

[0031] In an embodiment, the lifting assembly 9 comprises a mounting frame 91 fixed on the distribution barrel 3, a lifting rod 92 is rotatably arranged in the mounting frame 91 through a fixed rotating shaft 93, one end of the lifting rod 92 is provided with a bracket 94, and the bracket 94 is sleeved on the pressing pipe 81.

[0032] Firstly, the seeds are poured into the feeding hopper 8, and then the whole seeding device is moved to a suitable position, and then the lifting rod 92 is pressed down, the lifting rod 92 rotates along the fixed rotating shaft 93, so that the other end drives the bracket 94 to move upwards, the bracket 94 lifts the feeding hopper 8, the feeding hopper 8 drives the pressing pipe 81 to separate from the cone barrel 7, and the seeds fall uniformly.

[0033] In an embodiment, a return spring 95 is further arranged between the other end of the lifting rod 92 away from the bracket 94 and the distribution barrel 3, after the seeds completely fall, the lifting rod 92 is directly released, the lifting rod 92 is driven to move upwards under the elastic force of the return spring 95, so that the bracket 94 at the other end of the lifting rod 92 moves downwards, and at this time the feeding hopper 8 falls under the action of its own gravity and is tightly attached to the cone barrel 7 again, thereby forming a seal.

[0034] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

Claims

1. A seed sowing device for single row uniform drilling, comprising a fixed frame (1), a supporting rod (2) is arranged on the fixed frame (1), a distributing cylinder (3) is arranged at the top end of the supporting rod (2), a fixed handle (4) is arranged on the side wall of the supporting rod (2), a drilling square tube (10) is arranged at the bottom of the fixed frame (1), a plurality of discharging tubes (5) are arranged in an array on the fixed frame (1), the bottom end of the discharging tube (5) is connected with the drilling square tube (10), and the top end of the discharging tube (5) is connected with the distributing cylinder (3) through a distributing tube (6), characterized in that, Also include: The seed distribution assembly is arranged in the seed distribution cylinder (3), which is used for uniformly distributing the seeds in the seed distribution pipe (6); The scattering rod (11) is arranged in the drill tube (10), which is used for scattering the falling seeds.

2. The seed metering device for single row uniform drilling according to claim 1, wherein, The seed distribution assembly includes a cone barrel (7) in the middle of the inner cavity of the seed distribution cylinder (3), a plurality of discharge holes (31) are distributed on the periphery of the cone barrel (7), the discharge holes (31) are connected with the seed distribution pipe (6), the top of the cone barrel (7) is provided with a feeding hopper (8), and the bottom end of the feeding hopper (8) is provided with a pressing pipe (81) connected with the cone barrel (7).

3. A seed metering device for single row uniform drilling according to claim 2, characterized in that, The top end of the cone barrel (7) is provided with a connecting rod (71) extending into the feeding hopper (8), and the connecting rod (71) is sleeved with a seed distribution rod (72).

4. The seed metering device for single row uniform drilling according to claim 1, wherein, The seed distribution cylinder (3) is also provided with a lifting assembly (9), and the lifting assembly (9) is used for driving the feeding hopper (8) to move up and down.

5. A seed metering device for single row uniform drilling according to claim 4, characterized in that, The lifting assembly (9) includes a mounting bracket (91) fixed on the seed distribution cylinder (3), a lifting rod (92) rotatably arranged in the mounting bracket (91) through a fixed rotating shaft (93), one end of the lifting rod (92) is provided with a bracket (94), and the bracket (94) is sleeved on the pressing pipe (81).

6. A seed metering device for single row uniform drilling according to claim 5, characterized in that, The lifting rod (92) is provided with a reset spring (95) between the end away from the bracket (94) and the seed distribution cylinder (3).

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