CN213960805U

CN213960805U - Ear picking device of corn harvester

Info

Publication number: CN213960805U
Application number: CN202023235237.8U
Authority: CN
Inventors: 王俊晓
Original assignee: Yishui Xingda Machinery Co ltd
Current assignee: Yishui Xingda Machinery Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-08-17
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a corn harvester plucks ear of grain device, concretely relates to corn harvester technical field, set up two backup pads in mounting panel one side, two including mounting panel and symmetry one side that the backup pad is relative keeps away from the deflector that the equal fixedly connected with relative slope in mounting panel position set up, the symmetry is provided with between one side of mounting panel and the deflector and draws the stem structure, the top of drawing the stem structure is provided with the scion board through removing the structure, one side of mounting panel is located the outside fixedly connected with locating piece of backup pad. The utility model discloses have and can adjust the interval of ear board thereby carry out the effect of ear work to the maize of different cultivars size, the removal structure that sets up simultaneously can adjust interval enhancement suitability in a flexible way with ear board and be convenient for stem and maize ear quick separation simultaneously, simultaneously through drawing stem structure quick separation stem to support through the backup pad and guarantee its stable work to drawing stem structure.

Description

Ear picking device of corn harvester

Technical Field

The utility model relates to a maize picker technical field, more specifically says, the utility model relates to a maize picker plucks ear of grain device.

Background

The corn harvester is an agricultural machine tool which is used for completing production links such as cutting, picking, peeling, threshing, straw processing and post-harvest rotary tillage of land of corn by machinery according to planting mode and agricultural requirements when the corn is mature, wherein the ear picking device is a core component in the corn harvester, can pick and separate corn ears from straws in the harvesting process, the performance of the ear picking device directly influences the quality and stability of corn harvesting operation, and the corn harvester generally picks corn ears by a roller-type ear picking device nowadays.

However, in actual use, the configuration of a typical ear picking device is relatively fixed, and cannot be specifically adjusted for different types of corn, and ear picking work is performed for different types of corn, resulting in poor applicability.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defects of the prior art, the embodiment of the utility model provides a corn harvester plucks ear of grain device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a corn harvester plucks ear device, includes that mounting panel and symmetry set up two backup pads in mounting panel one side, two the equal fixedly connected with of mounting panel position deflector that the relative slope set up is kept away from to the relative one side of backup pad, the symmetry is provided with between one side of mounting panel and the deflector and draws the stem structure, it is provided with the plucking ear board through removing the structure to draw the top of stem structure, one side of mounting panel is located the outside fixedly connected with locating piece of backup pad.

Further, draw the stem structure to include and rotate the connecting axle of connection between mounting panel and deflector through the bearing, the fixed cover in surface of connecting axle is equipped with draws the stem roller, draw the one end fixedly connected with cover that the stem roller is close to the deflector to establish the leading-in piece in the connecting axle outside, the outer circumference of drawing the stem roller is provided with the spiral arch, draw the outer circumference of stem roller to be located one side evenly distributed that the spiral arch is close to the mounting panel and have a plurality of stem knives.

Furthermore, the spiral protrusions arranged on the outer circumference of the two stalk-pulling rollers and the stalk-pulling knives are meshed with each other in a staggered manner.

Furthermore, the one end that the connecting axle is close to the mounting panel all extends to the inside fixed cover of mounting panel and is equipped with drive gear, two drive gear meshes mutually, the inside of mounting panel is provided with the motor, one of them the output shaft fixed connection of shaft coupling and motor is passed through to the one end of connecting axle.

Further, a connecting plate is slidably disposed above the stem pulling roller between the mounting plate and the guide plate, the ear plate is slidably disposed on a top of the connecting plate, and a buffer spring is disposed between the top of the connecting plate and an inner wall of the ear plate.

Further, the mobile structure is including seting up the spout in the relative one side of two backup pads, the inside of spout all rotates through the bearing and is connected with two-way screw rod, two, the surperficial symmetrical threaded connection of two-way screw rod has the slider of slip inside the spout, one side that the spout was kept away from to the slider is rotated through the pivot and is connected with the connecting rod, one side middle part fixedly connected with fixing base that the connecting plate is close to the spout, the connecting rod rotates the both sides of connecting at the fixing base through the pivot, the one end that the mounting panel was kept away from to two-way.

Further, a symmetrically arranged inclined plate is fixedly connected to the opposite side of the ear plate, and a saw tooth bar is embedded in the surface of the opposite side of the inclined plate.

The utility model discloses a technological effect and advantage:

1. compared with the prior art, the mobile structure and the ear plate are arranged, the mobile structure and the ear plate can make the two sliders symmetrically arranged on the bidirectional screw close or far away from each other by rotating the bidirectional screw driven by the rotating block, and make the two connecting plates close or far away from each other by the connecting rod driven fixing seat, thereby driving the ear plate 4 to close or far away from each other to adjust the distance between the two inclined plates, so as to achieve the effect of adjusting the distance between the ear plates to perform ear picking work on different varieties of corns, simultaneously, the corn ears can be quickly separated from the straws by the saw teeth strips arranged on the oppositely arranged inclined plates, the ear plate can be pushed to move upwards on the connecting plates in the ear picking process by the buffer spring, the ear picking plate can be quickly separated by matching with the stalk pulling structure, and the device applicability can be improved and the corn ears and the straws can be conveniently separated;

2. through setting up and drawing the stem structure, compare with prior art, can make the connecting axle rotate and drive another connecting axle through drive gear and draw the relative rotation of stem roller through the starter motor, through leading into the piece and make the stalk of maize get into between two and draw the stem roller and promote the stalk to drawing the stem sword position through the spiral arch of mutual crisscross interlock, draw the stem sword downwards to draw the stem to make it separate with the maize scion, reach the effect of getting rid of the stalk, fix the connecting axle through deflector and mounting panel simultaneously, guaranteed the stability of drawing the stem roller work.

Drawings

Fig. 1 is a schematic top view of the present invention.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a schematic top view of the stem drawing structure of the present invention.

Fig. 4 is a schematic top sectional view of the moving structure of the present invention.

Fig. 5 is a schematic sectional view of an ear plate side view structure according to the present invention.

The reference signs are: 1. mounting a plate; 2. a support plate; 3. a guide plate; 4. ear panel; 5. positioning blocks; 6. a connecting shaft; 7. a stalk-pulling roller; 8. a lead-in block; 9. a spiral protrusion; 10. a stem pulling knife; 11. a transmission gear; 12. a motor; 13. a connecting plate; 14. a buffer spring; 15. a chute; 16. a bidirectional screw; 17. a slider; 18. a connecting rod; 19. a fixed seat; 20. rotating the block; 21. an inclined plate; 22. a sawtooth strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The corn harvester ear picking device shown in the attached figures 1-5 comprises a mounting plate 1 and two supporting plates 2 symmetrically arranged on one side of the mounting plate 1, wherein the positions, far away from the mounting plate 1, of the opposite sides of the two supporting plates 2 are fixedly connected with guide plates 3 which are oppositely and obliquely arranged, stem pulling structures are symmetrically arranged between one side of the mounting plate 1 and the guide plates 3, ear picking plates 4 are arranged above the stem pulling structures through moving structures, and positioning blocks 5 are fixedly connected to one side of the mounting plate 1, which is positioned on the outer side of the supporting plates 2.

In a preferred embodiment, the stalk-pulling structure comprises a connecting shaft 6 rotatably connected between the mounting plate 1 and the guide plate 3 through a bearing, a stalk-pulling roller 7 is fixedly sleeved on the surface of the connecting shaft 6, one end of the stalk-pulling roller 7 close to the guide plate 3 is fixedly connected with a lead-in block 8 sleeved outside the connecting shaft 6, a spiral protrusion 9 is arranged on the outer circumference of the stalk-pulling roller 7, a plurality of stalk-pulling knives 10 are uniformly distributed on one side of the spiral protrusion 9 close to the mounting plate 1 on the outer circumference of the stalk-pulling roller 7, so that corn stalks are led into between the two stalk-pulling rollers 7 through the lead-in block 8, the two connecting shafts 6 are controlled to drive the stalk-pulling roller 7 to rotate relatively, the spiral protrusion 9 pushes the stalks to enter between the stalk-pulling knives 10, the stalk is pulled down by the stalk-pulling knives 10 to separate the stalks from the corn stalks, the stalk is separated from the stalks, the effect of separating the stalks is achieved, the connecting shaft 6 is arranged between the guide plate 3 and the mounting plate 1 to ensure the stability of the rotation work, the service life of the stalk-pulling roll 7 is prolonged.

In a preferred embodiment, the helical projections 9 provided on the outer circumference of the two stalk-pulling rolls 7 and the stalk-pulling knives 10 are engaged with each other in a staggered manner so that the stable separation of the stalks is achieved by the helical projections 9 being engaged with each other, pushing the stalks toward the mounting plate 1 through the helical projections 9 when the two stalk-pulling rolls 7 are relatively rotated, and pulling the stalks away from the corn ears by the mutually engaged and staggered stalk-pulling knives 10.

In a preferred embodiment, one end of the connecting shaft 6 close to the mounting plate 1 extends to the inside of the mounting plate 1 and is fixedly sleeved with a transmission gear 11, the two transmission gears 11 are meshed with each other, a motor 12 is arranged inside the mounting plate 1, one end of one connecting shaft 6 is fixedly connected with an output shaft of the motor 12 through a coupler, so that the motor 12 is started to drive one connecting shaft 6 to rotate, the two connecting shafts 6 are driven to rotate relatively through the transmission gear 11, the stalk pulling roller 7 is driven to rotate relatively to separate stalks, and the effect of driving the stalk pulling structure through the motor 12 is achieved.

In a preferred embodiment, a connecting plate 13 is slidably disposed above the stem-pulling roller 7 between the mounting plate 1 and the guide plate 3, the ear plate 4 is slidably disposed on top of the connecting plate 13, a buffer spring 14 is disposed between the top of the connecting plate 13 and the inner wall of the ear plate 4, so that the corn ears are located above the two ear plates 4 by pushing the stems between the two ear plates 4, the stem-pulling structure is adapted to pull the stem downward to separate from the corn ears, and the stem downward movement drives the corn ears to push the ear plates 4 downward by the elastic force of the buffer spring 14 to separate the corn ears rapidly.

In a preferred embodiment, the moving structure comprises sliding grooves 15 formed on opposite sides of two supporting plates 2, two-way screws 16 are rotatably connected inside the sliding grooves 15 through bearings, sliding blocks 17 sliding inside the sliding grooves 15 are symmetrically and threadedly connected on the surfaces of the two-way screws 16, one sides of the two sliding blocks 17 far away from the sliding grooves 15 are rotatably connected with connecting rods 18 through rotating shafts, a fixed seat 19 is fixedly connected to the middle of one side of the connecting plate 13 near the sliding grooves 15, the connecting rods 18 are rotatably connected to two sides of the fixed seat 19 through rotating shafts, one ends of the two-way screws 16 far away from the mounting plate 1 extend out of the supporting plates 2 to be fixedly connected with rotating blocks 20, so that the sliding blocks 17 symmetrically arranged on the two-way screws 16 are close to or far away from each other by rotating the rotating blocks 20 to drive the fixed seats 19 through the connecting rods 18 to make the two connecting plates 13 close to or far away from each other, thereby moving the ear plates 4 toward and away from each other to effect adjustment of the ear plate 4 spacing for ear work on different varieties of size corn.

In a preferred embodiment, symmetrically disposed inclined plates 21 are fixedly attached to opposite sides of the ear plates 4, and saw teeth strips 22 are embedded in opposite side surfaces of the inclined plates 21, so as to constrain the corn ear between the two ear plates 4 via the inclined plates 21 and to cut moving stalks with the saw teeth strips 22, thereby facilitating rapid separation of the corn ear from the stalks.

The utility model discloses the theory of operation: in use, the mounting plate 1 is mounted on a corn harvester, the rotor 20 is rotated to adjust the spacing between the two ear plates 4 in accordance with the variety size of the corn, as the corn harvester moves in a corn field, to guide the stems of the corn between the two stem rollers 7 via the guide plate 3 and the guide block 8 and to position the corn ears above the ear plates 4, the two stem rollers 7 are relatively rotated by the activation motor 12 to position the stems in the positions of the urged stem knives 10 of the helical lobes 9, and the stems are pulled from the corn ears by the interdigitated stem knives 10 to complete the ear picking operation, the ear plates 4 are urged by the buffer springs 14 and the stems are cut by the serrated bars 22 to facilitate rapid separation of the stems.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an ear of grain device is plucked to maize picker, includes mounting panel (1) and two backup pads (2) of symmetry setting in mounting panel (1) one side, its characterized in that: two the equal fixedly connected with of mounting panel (1) position relative slope setting deflector (3) is kept away from to the relative one side of backup pad (2), the symmetry is provided with between one side of mounting panel (1) and deflector (3) and draws the stem structure, it is provided with ear scion board (4) through removing the structure to draw the top of stem structure, one side of mounting panel (1) is located the outside fixedly connected with locating piece (5) of backup pad (2).

2. The ear plucking device of a corn harvester as recited in claim 1, characterized in that: draw the stem structure to include to rotate connecting axle (6) of connection between mounting panel (1) and deflector (3) through the bearing, the fixed surface cover of connecting axle (6) is equipped with draws stem roller (7), draw one end fixedly connected with cover that stem roller (7) are close to deflector (3) to establish and connect the outside piece (8) of leading into of axle (6), the outer circumference of drawing stem roller (7) is provided with spiral protrusion (9), draw one side evenly distributed that the outer circumference of stem roller (7) is located spiral protrusion (9) and is close to mounting panel (1) to have a plurality of stem sword (10) of drawing.

3. The ear plucking device of a corn harvester as recited in claim 2, characterized in that: spiral protrusions (9) arranged on the outer circumference of the two stalk-pulling rollers (7) and stalk-pulling knives (10) are meshed with each other in a staggered manner.

4. The ear plucking device of a corn harvester as recited in claim 3, characterized in that: the one end that connecting axle (6) are close to mounting panel (1) all extends to mounting panel (1) inside fixed cover and is equipped with drive gear (11), two drive gear (11) mesh mutually, the inside of mounting panel (1) is provided with motor (12), one of them the output shaft fixed connection of shaft coupling and motor (12) is passed through to the one end of connecting axle (6).

5. The ear plucking device of a corn harvester as recited in claim 4, characterized in that: a connecting plate (13) is slidably arranged above the stem pulling roller (7) and between the mounting plate (1) and the guide plate (3), the ear plate (4) is slidably sleeved on the top of the connecting plate (13), and buffer springs (14) are arranged between the top of the connecting plate (13) and the inner wall of the ear plate (4).

6. The ear plucking device of a corn harvester as recited in claim 5, characterized in that: remove structure including seting up spout (15) in two backup pad (2) relative one side, the inside of spout (15) all is rotated through the bearing and is connected with two-way screw rod (16), the surface symmetry threaded connection of two-way screw rod (16) has slider (17) of slip in spout (15) inside, two one side that spout (15) were kept away from in slider (17) is rotated through the pivot and is connected with connecting rod (18), one side middle part fixedly connected with fixing base (19) that connecting plate (13) are close to spout (15), connecting rod (18) rotate the both sides of connecting at fixing base (19) through the pivot, the one end that mounting panel (1) was kept away from in two-way screw rod (16) extends backup pad (2) fixedly connected with and changes piece (20).

7. The ear plucking device of a corn harvester as recited in claim 6, characterized in that: symmetrically arranged inclined plates (21) are fixedly connected to the opposite sides of the ear plate (4), and saw tooth strips (22) are embedded in the opposite side surfaces of the inclined plates (21).