CN217336484U

CN217336484U - Impurity removing device of corn harvester

Info

Publication number: CN217336484U
Application number: CN202220845167.8U
Authority: CN
Inventors: 章跃; 李承然; 刘峰; 冯志国; 王兴海
Original assignee: Xuzhou Xcmg Agricultural Equipment Technology Co ltd
Current assignee: Xuzhou Xcmg Agricultural Equipment Technology Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-09-02
Anticipated expiration: 2032-04-13

Abstract

The utility model discloses a miscellaneous device is arranged to maize picker belongs to agricultural machinery technical field. The device comprises a shell, a fixed stalk-pulling roller and a floating stalk-pulling roller which are rotationally connected with the front end of the shell, and an impurity-removing fan shaft which is rotationally connected with the rear end of the shell; the fixed stalk-pulling roller and the floating stalk-pulling roller rotate oppositely and are used for pulling sundries of the corn harvester, and the floating stalk-pulling roller floats upwards and rebounds downwards through floating rebounding assemblies arranged on two sides of the shell; the shaft of the impurity removing fan is coaxially connected with an impurity removing fan and a chopping knife; the fixed stalk-pulling roller and the shaft of the impurity-removing fan are respectively and coaxially connected with a first belt pulley and a second belt pulley, and a transmission belt is laid between the first belt pulley and the second belt pulley. The utility model discloses applicable different thickness, do maize picker debris such as maize straw, bract of wet degree, the separation is more thorough, optimizes the position that miscellaneous fan was arranged to the tradition, and all debris are forced to smash the back and are discharged, and it is stronger to arrange miscellaneous ability.

Description

Impurity removing device of corn harvester

Technical Field

The utility model relates to a miscellaneous device is arranged to maize picker belongs to agricultural machinery technical field.

Background

At present, with the development of society and the continuous progress of agriculture, agricultural mechanization begins to be popularized rapidly, corn harvesters are more and more favored by farmers with high corn harvesting efficiency, and with the continuous deepening of agricultural modernization, the corn harvesters are bound to become one of important tools of the modernized agriculture.

The main problem of the trash removal system of the traditional corn harvester is that the trash discharged by the corn harvester such as straws and bracts is too much to cause blockage: the impurity removing system cannot cope with impurity transferring and removing with different thicknesses and dry and wet degrees; the impurity removing fan is arranged below the elevator, all impurities such as straws and bracts cannot be blown out completely, the impurity removing fan is reserved below the elevator, the structure is complex, the maintenance space and the weight are occupied, and the production cost is increased.

Disclosure of Invention

An object of the utility model is to overcome the not enough among the prior art, provide a miscellaneous device is arranged to maize picker to solve the technical problem of maize picker row miscellaneous difficulty among the prior art.

In order to solve the technical problem, the utility model discloses an adopt following scheme to realize:

the utility model provides a corn harvester impurity removing device, which comprises a shell, a fixed stalk-pulling roller and a floating stalk-pulling roller which are rotationally connected at the front end of the shell, and an impurity removing fan shaft which is rotationally connected at the rear end of the shell; the fixed stalk-pulling roller and the floating stalk-pulling roller rotate oppositely and are used for pulling sundries of the corn harvester, and the floating stalk-pulling roller floats upwards and rebounds downwards through floating rebounding assemblies arranged on two sides of the shell; the shaft of the impurity removing fan is coaxially connected with the impurity removing fan and the chopping knife; the fixed stalk-pulling roller and the shaft of the impurity-removing fan are respectively and coaxially connected with a first belt pulley and a second belt pulley, and a transmission belt is laid between the first belt pulley and the second belt pulley.

Preferably, the corn harvester impurity removing device is arranged above the tail end of the corn harvester elevator.

Preferably, the subassembly of kick-backing floats includes the slider bearing frame, the support and the return spring of kick-backing float, the floating stem roller of drawing rotates to be connected on the slider bearing frame, and the support fixed connection that rebounds floats is in the casing both sides, and slider bearing frame sliding connection is between two limit points that set up on the support that rebounds floats, and return spring one end fixed connection is on the support that rebounds floats, and the slider bearing frame is connected and compresses tightly to one end.

Preferably, the chopping machine further comprises a fixed knife which is arranged on the shell and is spaced from the chopping knife.

Preferably, a plurality of groups of blades are fixedly connected to the impurity removing fan, and air is sucked from the inside and blown to the outside.

Preferably, the straw discharging device further comprises a straw discharging cylinder, wherein the straw discharging cylinder is connected with an air outlet of the impurity discharging fan and fixed on the shell.

Preferably, the floating stem-pulling roller and the fixed stem-pulling roller are respectively and coaxially connected with gears which are meshed with each other and used for driving the floating stem-pulling roller to rotate oppositely by the fixed stem-pulling roller.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model is suitable for corn stalks, bracts and other sundries with different thicknesses and dry and wet degrees, and the separation is more thorough; the position of the traditional impurity removing fan is optimized, all straws are discharged after being forcedly crushed, the blockage of the elevator is avoided, and a fan below the elevator can be omitted.

Drawings

FIG. 1 is a schematic view of a connection structure of an impurity removing device and an elevator of a corn harvester according to an embodiment of the present invention;

FIG. 2 is a schematic view of the overall structure of an impurity removing device of a corn harvester according to an embodiment of the present invention;

fig. 3 is a schematic side view of an impurity removing device of a corn harvester according to an embodiment of the present invention;

in the figure: 1. an elevator; 2. a trash removal device; 3. a housing; 4. fixing the stalk-pulling roller; 5. a floating stalk-pulling roller; 6. a return spring; 7. a floating resilient support; 8. a slider bearing seat; 9. an output pulley; 10. an input pulley; 11. a shaft of the impurity removing fan; 12. a chopping knife; 13. fixing a cutter; 14. a blade; 15. a straw discharging cylinder; 16. a gear.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

As shown in fig. 1, 2 and 3, the utility model provides a miscellaneous device is arranged to maize picker, arranges miscellaneous device 2 and installs in the tail end top of lift conveyer 1, arranges miscellaneous device 2 and includes that casing 3, fixed draw stem roller 4, float and draw stem roller 5, return spring 6, the resilience support 7 that floats, slider bearing frame 8, output belt pulley 9, input belt pulley 10 and row miscellaneous fan axle 11, and the casing is connected with lift conveyer 1, and the top is convex. The fixed stalk-pulling roller 4 and the floating stalk-pulling roller 5 are rotationally connected at the front end of the shell, the stalk-pulling roller is provided with blades, and the fixed stalk-pulling roller 4 and the floating stalk-pulling roller 5 rotate oppositely and are used for pulling the corn harvester sundries such as straws, bracts and the like which are lifted by the lifting conveyer. The casing both sides have been laid floating

resilience support

7, and 5 rotations of stem roller are drawn in the floating and are connected on slider bearing frame 8, and slider bearing frame 8 is installed on floating resilience support 7, sliding connection between two upper and lower limiting points that floating resilience support 7 was equipped with for the realization is floated the secondary and is drawn the stem, promptly: the floating stalk-pulling roller 5 can float along the preset direction when working, and can adapt to the corn harvest with different thickness and dryness and wetness. Still be provided with return spring 6 on the resilience support 7 floats, return spring 6 one end fixed connection is on the resilience support 7 floats, and one end is connected and is compressed tightly slider bearing frame 8, and when maize picker debris that slightly thick passed through the back, return spring 6 relaxed the resilience for it kick-backs to the work normal position to float and draw stem roller 5. Arrange miscellaneous fan axle 11 and rotate and connect the rear end at casing 3, epaxial shredding knife 12 and arrange miscellaneous fan of installing, stationary knife 13 installs on casing 3, arranges with shredding knife 12 centering, knife face clearance 13mm for draw the stalk roll and draw corn harvester debris such as the straw that comes, bract to cut up, the reduction volume, arrange miscellaneous fan's blade 14 high-speed rotation, from arranging miscellaneous device inside induced drafting, blow to the outside, will cut up the maize harvester debris absorption and blow out and arrange miscellaneous device. The trash removal device further comprises a trash removal cylinder, the trash removal cylinder 15 is connected with a trash removal fan air outlet and fixed on the shell 3, and trash of the corn harvester is discharged.

An output belt pulley 9 is coaxially and fixedly connected to the left side of the fixed stem-drawing roller 4, an input belt pulley 10 is coaxially and fixedly connected to the trash removal fan shaft 11, a transmission belt is laid between the output belt pulley 9 and the input belt pulley 10, the output belt pulley 9 drives the input belt pulley 10 to rotate, and the fixed stem-drawing roller 4 drives the trash removal fan shaft 11 to rotate.

The fixed stalk-pulling roll 4 and the floating stalk-pulling roll 5 are respectively coaxially and fixedly connected with a gear 16 at the right side, and the two gears 16 are meshed with each other. The fixed stalk-pulling roller 4 rotates through the output belt pulley 9, the driving gear 16 rotates, the gear 16 transmits torque through meshing to drive the floating stalk-pulling roller 5 to rotate, the fixed stalk-pulling roller 4 and the floating stalk-pulling roller rotate oppositely to pull the sundries of the corn harvester.

The working principle is as follows:

the corn harvester sundries such as straws, bracts and the like conveyed by the elevator 1 are pulled and lifted to the position of the sundries removing fan shaft 11 through the opposite rotation of the fixed stalk-pulling roller 4 and the floating stalk-pulling roller 5, the chopping knife 12 rotates at a high speed and is matched with the fixed knife 13 to chop the corn harvester sundries, and finally the corn harvester sundries are blown out of the shell 3 through the high-speed rotation of the blade 14 of the sundries removing fan and are discharged from the straw discharging barrel 15.

In conclusion, the utility model has the functions of floating secondary stem drawing and crushing forced discharge, and the floating secondary stem drawing can adapt to various corn harvesting environments; the trash-removing fan arranged in the trash-removing channel at the tail part has a chopping function, so that blockage caused by complete corn straws in the trash-removing channel is avoided; the shaft of the impurity removing fan is provided with a blade rotating at a high speed to suck air from the inside of the device and is matched with the stalk-pulling roller, so that most of impurities such as straws and bracts can be separated from the inside of the device, and the impurity removing and separating effect is better; the position of the traditional impurity removing fan is optimized, and a fan arranged at the lower part of the elevator can be eliminated.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A corn harvester impurity removing device is characterized by comprising a shell, a fixed stalk-pulling roller and a floating stalk-pulling roller which are rotatably connected to the front end of the shell, and an impurity removing fan shaft which is rotatably connected to the rear end of the shell; the fixed stalk-pulling roller and the floating stalk-pulling roller rotate oppositely and are used for pulling sundries of the corn harvester, and the floating stalk-pulling roller floats upwards and rebounds downwards through floating rebounding assemblies arranged on two sides of the shell; the shaft of the impurity removing fan is coaxially connected with the impurity removing fan and the chopping knife; the fixed stalk-pulling roller and the shaft of the impurity-removing fan are respectively and coaxially connected with a first belt pulley and a second belt pulley, and a transmission belt is laid between the first belt pulley and the second belt pulley.

2. The corn harvester trash removal device of claim 1, wherein the corn harvester trash removal device is mounted above the corn harvester elevator tail end.

3. The trash removal device of the corn harvester of claim 1, wherein the floating rebounding assembly comprises a slider bearing seat, a floating rebounding support and a return spring, the floating stalk pulling roller is rotatably connected to the slider bearing seat, the floating rebounding support is fixedly connected to two sides of the shell, the slider bearing seat is slidably connected between two limit points arranged on the floating rebounding support, one end of the return spring is fixedly connected to the floating rebounding support, and the other end of the return spring is connected with and presses the slider bearing seat.

4. The corn harvester trash removal device of claim 1, further comprising a stationary knife mounted on the housing in spaced relation to the chopper.

5. The trash removal device of a corn harvester as in claim 1, wherein the trash removal fan is fixedly connected with a plurality of groups of blades, and the trash removal fan sucks air from the inside and blows air to the outside.

6. The trash removal device of a corn harvester as recited in claim 5, further comprising a trash removal cylinder, wherein the trash removal cylinder is connected with an air outlet of the trash removal fan and fixed on the housing.

7. The trash removal device of a corn harvester as in claim 1, wherein the floating stalk-pulling roll and the fixed stalk-pulling roll are respectively and coaxially connected with gears which are meshed with each other and are used for driving the floating stalk-pulling roll to rotate oppositely by the fixed stalk-pulling roll.