CN110431963B

CN110431963B - Improved seed squeezing prevention mechanism for agricultural machinery cultivator

Info

Publication number: CN110431963B
Application number: CN201910802030.7A
Authority: CN
Inventors: 余芳; 李家春; 田莉; 王志楠
Original assignee: Guizhou University
Current assignee: Guizhou University
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2022-04-19
Anticipated expiration: 2039-08-28
Also published as: CN110431963A

Abstract

The invention provides an improved seed squeezing prevention mechanism for a farming machine of agricultural machinery, which comprises a seed box, a supporting shaft lever and a chain wheel; the whole seed box is in an inverted trapezoid shape, nine material leaking ports are formed in a bottom plate of the seed box in a penetrating mode, a main rotating shaft penetrates through the bottom of the inner space of the seed box in a rotating mode, nine shifting wheels are fixedly sleeved on the main rotating shaft in an equidistance mode, and the nine shifting wheels are located in the nine material leaking ports in a rolling mode; the two chain wheels are sleeved and fixed on the head-tail protruding sections of the main rotating shaft, and the two chain wheels are rotatably connected with a connecting rod; nine sliding insertion frames are arranged on the supporting shaft rod at equal intervals and supported downwards, the nine sliding insertion frames are inserted into the seed box downwards and are correspondingly sleeved on nine shifting wheels, the two positioning frames adopt spring pushing and pulling installation to enable the two positioning frames to be taken off in a sliding mode, the supporting shaft rod and the sliding insertion frames are detached and taken out flexibly, and the inside of the seed box is convenient to clean.

Description

Improved seed squeezing prevention mechanism for agricultural machinery cultivator

Technical Field

The invention belongs to the technical field of cultivation machines, and particularly relates to an improved seed extrusion prevention mechanism for an agricultural machine cultivator.

Background

Replace manual seeding with the seeder and become the mainstream, adopt the seeder to sow efficient, labour saving and time saving, but the seeding case structure majority of seeder adopts the through type in the existing market, it has the mouth of sowing to open in the bottom of seeding case, the seed is direct along direct landing to the mouth department of sowing along the seeding case, this kind of structure is easy to produce at the actual production process and is planted mouthful jam down, this kind of mechanism tillers of preventing crowded that need optimize one kind of improvement design is had, for example, patent No. is CN201620422506.6 discloses a seeding case of preventing blockking up, include: go up box, lower box, pivot, sprocket, mouth, filter screen down, it is the rectangle box to go up the box, go up the top of box rigid coupling box under, the box is the taper structure down, the pivot is installed through the bearing at the middle part of box down, the pivot is stretched into down the part of box and is installed the piece that turns over, the piece that turns over is installed on the outer peripheral face of pivot and spatial position staggers each other, it has mouth down to open on the bottom plate of box down, the mouth is even linear distribution down, every mouthful top of planting down is provided with the filter screen, the filter screen passes through rivet and bottom plate rigid coupling, the sprocket is installed to the right-hand member of pivot, the sprocket passes through the land wheel hub connection of driving chain and seeder. The invention has simple structure and effectively avoids the situation that seeds block the sowing pipeline of the sowing machine.

At present, most of the farming machines used in the prior art are designed to prevent squeezing and blocking only aiming at a blanking pipe, the blocking problem of a blanking port is ignored, the penetrating and penetrating effect of the blanking port is poor, and the blanking port is easy to block and squeeze seeds.

Disclosure of Invention

In order to solve the technical problems, the invention provides an improved seed squeezing prevention mechanism for a farming machine of agricultural machinery, which aims to solve the problems that the farming machine is mostly designed to prevent seed squeezing and blocking only by aiming at a blanking pipe, the blocking problem of a blanking port is neglected, the penetrating and communicating effect on the blanking port is poor, and the blanking port is easy to block and squeeze seeds.

The purpose and the effect of the improved seed squeezing prevention mechanism for the agricultural machinery cultivator are achieved by the following specific technical means:

an improved seed squeezing prevention mechanism for a farming machine of agricultural machinery comprises a seed box, a supporting shaft lever and a chain wheel; the whole seed box is in an inverted trapezoid shape, nine material leaking ports are formed in a bottom plate of the seed box in a penetrating mode, a main rotating shaft penetrates through the bottom of the inner space of the seed box in a rotating mode, nine shifting wheels are fixedly sleeved on the main rotating shaft in an equidistance mode, and the nine shifting wheels are located in the nine material leaking ports in a rolling mode; the two chain wheels are sleeved and fixed on the head-tail protruding sections of the main rotating shaft, and the two chain wheels are rotatably connected with a connecting rod; nine sliding insertion frames are arranged on the supporting shaft rod at equal intervals and supported downwards, and the nine sliding insertion frames are inserted into the seed box downwards and are correspondingly sleeved on nine shifting wheels.

Furthermore, the seed box comprises positioning blocks, two positioning blocks are symmetrically welded at the top end positions of the left side wall and the right side wall of the seed box, two positioning shafts are symmetrically and downwards supported on the left end section and the right end section of the supporting shaft rod, and the two positioning shafts are correspondingly vertically inserted into the two positioning blocks.

Furthermore, the positioning frames are jointly supported by the left six-edge inserting columns and the right sliding rings, and the two positioning frames are correspondingly sleeved on the left end section and the right end section of the supporting shaft rod through the right sliding rings.

Furthermore, the left hexagonal inserting columns of the two positioning frames are correspondingly inserted into the inserting holes on the left end face and the right end face of the supporting shaft rod, and the head ends of the two connecting rods are inserted and blocked to be rotatably connected to the left end and the right end of the supporting shaft rod.

Furthermore, the upper half sections of the two positioning shafts are both hexagonal prisms, an L-shaped top inserting plate is inserted into the hexagonal prism section through a spring in a pushing manner, an inserting rod is vertically supported at the front end of the right side of the top inserting plate, and the inserting rod can penetrate through the supporting shaft rod through top insertion.

Furthermore, the supporting shaft lever includes the frame of inserting and protruding quarter butt, it all is annular array protrusion to have four layers of protruding quarter butt on the perpendicular inserted bar in two places of frame to insert to slide and arrange in the hourglass material space of thumb wheel both sides to slide this four layers of protruding quarter butt.

The invention at least comprises the following beneficial effects:

two connecting rods, two sprocket and supporting shaft pole have constituteed a slider-crank mechanism jointly, the rotatory top at two sprocket pushes down, two vertical inserted bars on the sliding insertion frame can reciprocate from top to bottom in the hourglass material space of thumb wheel both sides, incessant running through to the hourglass material mouth and throwing the expert and avoid its crowded kind of jam, and slider-crank throws the mechanism and continues to drive with two sprocket of the mechanism sharing of sowing that nine thumb wheels are constituteed, extra drive structure has been saved, the design is amazing reasonable, supporting shaft pole and sliding insertion frame can be simple convenient take off this and be convenient for clear up the production of avoiding blockking the obstacle to the kind of seed case in addition.

Drawings

FIG. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic diagram of the three-dimensional structure of the present invention.

Fig. 3 is a schematic view of the installation position of the slide insert frame of the present invention.

FIG. 4 is a schematic view of FIG. 3A of the present invention.

FIG. 5 is a schematic view of a positioning frame according to the present invention.

FIG. 6 is a schematic diagram of a top plug board structure according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a seed box; 101. positioning blocks; 2. a support shaft; 201. sliding and inserting the frame; 202. a projecting short rod; 3. a sprocket; 301. a connecting rod; 4. a positioning frame; 5. positioning the shaft; 6. a top inserting plate; 7. a thumb wheel.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 6:

the invention provides an improved seed squeezing prevention mechanism for a farming machine of agricultural machinery, which comprises a seed box 1, a supporting shaft lever 2 and a chain wheel 3; the whole seed box 1 is in an inverted trapezoid shape, nine material leaking openings are formed in a bottom plate of the seed box 1 in a penetrating mode, a main rotating shaft penetrates through the bottom of the inner space of the seed box 1 in a rotating mode, nine shifting wheels 7 are fixedly sleeved on the main rotating shaft in an equidistant mode, and the nine shifting wheels 7 are located in the nine material leaking openings in a rolling mode; the two chain wheels 3 are sleeved and fixed on the head and tail protruding sections of the main rotating shaft, and the two chain wheels 3 are rotatably connected with a connecting rod 301; nine sliding insertion frames 201 are arranged on the supporting shaft rod 2 at equal intervals and downwards supported, and the nine sliding insertion frames 201 are inserted into the seed box 1 downwards and are correspondingly sleeved on nine shifting wheels 7.

The seed box 1 comprises positioning blocks 101, the two positioning blocks 101 are symmetrically welded at the top end positions of the left side wall and the right side wall of the seed box 1, two positioning shafts 5 are symmetrically and downwards supported on the left end section and the right end section of the supporting shaft rod 2, the two positioning shafts 5 are correspondingly vertically inserted into the two positioning blocks 101, the two positioning blocks 101 facilitate the sliding and inserting installation of the two positioning shafts 5, and the two positioning shafts 5 and the supporting shaft rod 2 can be guaranteed to directly slide up and down.

The positioning frames 4 are formed by jointly supporting a left hexagonal inserting column and a right sliding ring, the two positioning frames 4 are correspondingly sleeved on the left end section and the right end section of the supporting shaft rod 2 through the right sliding ring, and the two positioning frames 4 can connect the two connecting rods 301 with the inserting blocks of the supporting shaft rod 2.

The six-edge inserting columns on the left sides of the two positioning frames 4 are correspondingly inserted into the inserting holes in the left end face and the right end face of the supporting shaft rod 2, the head ends of the two connecting rods 301 are inserted and blocked and rotatably connected to the left end and the right end of the supporting shaft rod 2, the two connecting rods 301, the two chain wheels 3 and the supporting shaft rod 2 jointly form a crank block mechanism, the two vertical inserting rods on the sliding insertion frame 201 can slide up and down in the material leakage gaps on the two sides of the shifting wheel 7 in a reciprocating mode under the pushing of the rotating tops of the two chain wheels 3, the material leakage openings are continuously penetrated and thrown to avoid the extrusion blockage of the material leakage openings, the crank block throwing mechanism and the seeding mechanism formed by the nine shifting wheels 7 share the two chain wheels 3 to drive, an additional driving structure is omitted, and the design is ingenious and reasonable.

Wherein, the first half section of two location axle 5 is hexagonal prism setting, it has a L form top picture peg 6 to insert through the spring top in this hexagonal prism section, and the vertical support in right side head end position of top picture peg 6 has an inserted bar, this inserted bar can be inserted by the top and pass supporting shaft pole 2, two positions top picture peg 6 accessible its right side vertical inserted bar insert the fender with two position frame 4 and be located supporting shaft pole 2 both ends about, avoid two position frame 4 to slide to drop, and two position frame 4 adopt the spring top to push up the gliding of installation that can be swift to take out and take off two position frame 4 and slide to take out the nimble dismantlement of supporting shaft pole 2 and sliding frame 201 implementation and take out, this the inside of seedcase 1 of being convenient for is cleared up.

The supporting shaft lever 2 comprises a sliding insertion frame 201 and protruding short rods 202, wherein the two vertical insertion rods of the sliding insertion frame 201 are respectively provided with four layers of protruding short rods 202 in an annular array in a protruding mode, the four layers of protruding short rods 202 are inserted into material leakage gaps on two sides of the shifting wheel 7 in a sliding mode, and the penetrating through insertion area of the two vertical insertion rods of the sliding insertion frame 201 can be increased by the four layers of protruding short rods 202.

The specific use mode and function of the embodiment are as follows:

the working principle of the invention; under the rotation drive of the two chain wheels 3, the two connecting rods 301 can rotate to push the two positioning shafts 5 and the supporting shaft rod 2 can directly slide up and down along the two positioning blocks 101, and the up-and-down sliding of the supporting shaft rod 2 can drive the two vertical insertion rods of the sliding insertion frame 201 to reciprocate up and down in material leakage gaps on the two sides of the shifting wheel 7 to penetrate through and throw through the material leakage openings to avoid the extrusion blockage of the material leakage openings.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. An improved seed squeezing prevention mechanism for a farming machine of agricultural machinery is characterized in that: comprises a seed box (1), a supporting shaft lever (2) and a chain wheel (3); the whole seed box (1) is arranged in an inverted trapezoid shape, nine material leaking ports are formed in a bottom plate of the seed box in a penetrating mode, a main rotating shaft penetrates through the bottom of the inner space of the seed box (1) in a rotating mode, nine shifting wheels (7) are fixedly sleeved on the main rotating shaft in an equidistant mode, and the nine shifting wheels (7) are located in the nine material leaking ports in a rolling mode; the two chain wheels (3) are sleeved and fixed on the head-tail protruding sections of the main rotating shaft, and the two chain wheels (3) are rotatably connected with a connecting rod (301); nine sliding and inserting frames (201) are arranged on the supporting shaft lever (2) at equal intervals and supported downwards, and the nine sliding and inserting frames (201) are inserted into the seed box (1) downwards and are correspondingly sleeved and inserted on nine shifting wheels (7); the seed box (1) comprises positioning blocks (101), two positioning blocks (101) are symmetrically welded at the top end positions of the left side wall and the right side wall of the seed box (1), two positioning shafts (5) are symmetrically and downwards supported on the left end section and the right end section of the supporting shaft rod (2), and the two positioning shafts (5) are correspondingly vertically inserted into the two positioning blocks (101); the positioning frames (4) are jointly supported by a left hexagonal inserting column and a right sliding ring, and the two positioning frames (4) are correspondingly sleeved on the left end section and the right end section of the supporting shaft rod (2) through the right sliding ring; the left hexagonal inserting columns of the two positioning frames (4) are correspondingly inserted into the inserting holes on the left end face and the right end face of the supporting shaft lever (2) and the head ends of the two connecting rods (301) are inserted and blocked to be rotatably connected to the left end and the right end of the supporting shaft lever (2); the upper half sections of the two positioning shafts (5) are both hexagonal prism-shaped sections, an L-shaped top inserting plate (6) is inserted into each hexagonal prism-shaped section through a spring in a pushing mode, an inserting rod is vertically supported at the front end of the right side of each top inserting plate (6), and the inserting rod can penetrate through the supporting shaft rod (2) in a pushing mode.

2. The improved seed-squeezing prevention mechanism for the agricultural machinery cultivator of claim 1, wherein: the supporting shaft lever (2) comprises a sliding insertion frame (201) and protruding short rods (202), wherein four layers of protruding short rods (202) protrude from two vertical insertion rods of the sliding insertion frame (201) in an annular array mode, and the four layers of protruding short rods (202) are inserted into material leakage gaps on two sides of the shifting wheel (7) in a sliding mode.