CN217363843U

CN217363843U - Corn harvester

Info

Publication number: CN217363843U
Application number: CN202220890279.5U
Authority: CN
Inventors: 杨亚帆; 李小坡; 崔俊杰; 贾艺; 张军朋; 王浩; 宋俊豪
Original assignee: Changzhou Changfa Heavy Industry Technology Co ltd
Current assignee: Changzhou Changfa Heavy Industry Technology Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-09-06
Anticipated expiration: 2032-04-18

Abstract

The utility model provides a corn harvester, including peeling part, sorting unit and bract crushing unit, peeling part is used for peeling the bract from the corn ear body that reaps, selects separately the position in peeling part's below, will be peeled off after handling and exhaust detached matter is selected into corn kernel and bract, bract crushing unit is located the terminal below of sorting unit, will select separately the bract that the part elected and smash, bract crushing unit includes the casing, locates the interior moving knife part of casing and fixes the stationary knife part on the casing; the upper part of the shell is provided with a bract feeding port, and the lower part of the shell is provided with a discharge port; the fixed cutter part comprises a fixed cutter seat connected with the shell, a plurality of fixed cutter frames connected with the fixed cutter seat and a plurality of fixed cutters connected with each fixed cutter frame, and each fixed cutter penetrates through the fixed cutter seat and extends into the movable cutter part; the utility model discloses can realize smashing maize bract fast and arrange miscellaneous, cut up effectual, simple structure moreover, dismantle easy maintenance.

Description

Corn harvester

Technical Field

The utility model belongs to the technical field of the agricultural machine technique and specifically relates to a maize picker is related to.

Background

In recent years, the number of the corn harvester for both ear and stem with multiple purposes in the market is increasing; however, the peeling system of the ear and stem harvesting corn harvester is compact in structure and mostly transversely arranged, so that the space for installing the bract crusher on the machine body is small; the bract chopping device of the existing corn harvester has a complex structure, and the chopping effect of the existing bract chopping device is not good; therefore, a new corn harvester is needed, which can realize the purposes of quickly crushing corn bracts, removing impurities and having good chopping effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a corn harvester, this scheme can realize smashing maize bract fast and arrange miscellaneous, chop effectual, simple structure moreover, dismantle easy maintenance.

According to an aspect of the utility model, a maize harvesting machine is provided, include: a peeling part for peeling bracts from the harvested corncobs; a sorting part located below the peeling part, sorting the removed matter discharged after peeling into corn kernels and bracts; a bract crushing part which is positioned below the tail end of the sorting part and is used for crushing the bracts selected by the sorting part, wherein the bract crushing part comprises a shell, a movable blade part arranged in the shell and a fixed blade part fixed on the shell; a bract feeding port is formed in the upper part of the shell, and a discharge port is formed in the lower part of the shell; the fixed cutter part comprises a fixed cutter seat connected with the shell, a plurality of fixed cutter frames connected with the fixed cutter seat and a plurality of fixed cutters connected with each fixed cutter frame, and each fixed cutter penetrates through the fixed cutter seat and extends into the movable cutter part in the direction.

Preferably, the fixed cutter frame comprises a fixed frame and a fixed cutter shaft which is positioned above and connected with the fixed frame, and two ends of the fixed cutter shaft axially protrude out of the fixed frame; the fixed frame is detachably connected with the fixed cutter seat; the fixed knives are respectively sleeved at two ends of the fixed knife shaft.

Preferably, a plurality of first through holes are arranged in the transverse direction of the fixed cutter seat; the shell comprises a side plate connected with the fixed cutter seats, the fixed cutter seats are positioned on the outer side of the side plate, the side plate is provided with a plurality of second through holes corresponding to the first through holes, and each fixed cutter sequentially penetrates through each corresponding first through hole and each corresponding second through hole and limits and fixes each fixed cutter.

Preferably, the fixed cutter holders are arranged at intervals along the transverse direction of the fixed cutter holder.

Preferably, the movable knife part comprises a movable knife shaft which is rotatably connected in the shell, the periphery of the movable knife shaft is provided with movable knives in a circumferential distribution manner, and two adjacent movable knives are staggered with each other along the circumferential direction of the movable knife shaft; the fixed cutters and the movable cutters are correspondingly arranged at intervals in the axial direction of the movable cutter shaft.

Preferably, the housing further comprises a left side plate and a right side plate, the side plates being located between the left side plate and the right side plate; the side plate comprises an upper side plate and a lower side plate which is rotatably connected with the upper side plate, and the fixed cutter seat is connected with the upper side plate; the two sides of the upper side plate are respectively connected with the middle part of the left side plate and the middle part of the right side plate; and two sides of the lower side plate are respectively connected with the lower part of the left side plate and the lower part of the right side plate in an adjustable manner.

Preferably, the lower side plate both sides respectively to the inside bending board that extends of casing, the mounting hole has been seted up to the bending board, corresponding left waist hole and right waist hole have been seted up respectively to the left side board with the right side board, the lower side plate with the left side plate passes through mounting hole and left waist hole adjustable connection assembly, the lower side plate with the right side plate passes through mounting hole and right waist hole adjustable connection assembly.

Preferably, the stationary knife seat is connected with the upper portions of the left side plate and the right side plate respectively.

Preferably, the shell further comprises a sealing plate, notches with openings facing the discharge hole are formed in the middle of the left side plate and the middle of the right side plate respectively, and the sealing plate is detachably connected to the outer sides of the left side plate and the right side plate respectively to seal or expose the notches; the notch can detach the movable cutter part from the shell.

Preferably, the fixed frame is fixedly connected with the fixed cutter shaft in a welding mode.

The utility model discloses can realize smashing maize bract fast and arrange miscellaneous, cut up effectual, simple structure moreover, dismantle easy maintenance.

Drawings

FIG. 1 is a schematic structural view of a corn harvester;

FIG. 2 is a schematic view showing an assembly structure of the bract crushing section;

FIG. 3 is a schematic view showing another angle of the arrangement of the bract crushing section;

FIG. 4 is a schematic view of the structure of the bract crushing section;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a schematic view of the housing structure;

FIG. 7 is a schematic view of a stationary blade portion;

FIG. 8 is a schematic view b of the structure of the stationary blade part;

fig. 9 is a schematic view of the structure of the moving blade portion.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth to provide a thorough understanding of the present application, and in the accompanying drawings, preferred embodiments of the present application are set forth. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. This application is capable of embodiments in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. In the description of the present application, "a plurality" means at least one, e.g., one, two, etc., unless explicitly specified otherwise.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In this context, it is to be understood that the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise specifically indicated and limited. For example, the connection may be fixed, detachable, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements.

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings of the specification.

In the present embodiment, when the right direction or the left direction of the front-back direction and the lateral width direction of the machine body is defined, the front, back, left, and right directions are defined in a state of being viewed along the machine body forward direction.

Referring to this figure 1, the utility model discloses a corn harvester, including plucking ear of grain platform 4, be located the driver's cabin 5 of plucking ear of grain platform 4 rear end top, elevator 6, the portion of skinning 1, select separately the portion 2, the bract crushing portion 3 and discharge portion 7, elevator 6 is located pluck ear of grain platform 4 and the portion of skinning 1 between, elevator 6 inside formation lift transport passageway, the portion of sorting 2 is located the below of the portion of skinning 1, the bract crushing portion 3 is located the terminal below of the portion of sorting 2, discharge portion 7 is located the below of bract crushing portion 3. When the harvester operates, the ear picking platform 4 positioned at the front end of the harvester picks up the corn stalks and separates the corn stalks from the corn ears; the corn ears conveyed by the ear picking platform 4 are further conveyed to the upper part of the harvester by the elevator 6; the peeling part 1 peels bracts of the corncobs conveyed by the elevator 6; a sorting part 2 for sorting the removed material discharged after the peeling treatment into corn kernels and bracts; the bract crushing section 3 crushes the bracts sorted by the sorting section 2 and discharges them to the outside of the machine body through the discharging section 7.

Referring to fig. 2 to 5 and 9, the bract crushing part 3 includes a housing 31, a movable blade part 32 provided in the housing 31, and a fixed blade part 33 fixed to the housing 31; the upper part of the shell 31 is provided with a bract feeding port 311, the lower part of the shell 31 is provided with a discharge port 312, the movable blade part 32 comprises a movable blade shaft 321 which is rotatably connected in the shell 31, the periphery of the movable blade shaft 321 is provided with movable blades 322 along the circumferential direction, and two adjacent movable blades 322 are staggered along the circumferential direction of the movable blade shaft 321; the connecting part of the movable cutter shaft 321 and the shell 31 is provided with an anti-winding ring (not marked), the anti-winding ring (not marked) is positioned on the inner side of the shell 31, and the anti-winding ring (not marked) is fixedly connected with the shell 31 to prevent the movable cutter shaft 321 from winding grass.

Referring to fig. 4-5 and 7-8, the fixed cutter portion 33 includes a fixed cutter holder 331 fixedly connected to the housing 31, three fixed cutter holders 332 connected to the fixed cutter holder 331, and two fixed cutters 333 connected to each fixed cutter holder 332, the three fixed cutter holders 332 are arranged at intervals along the transverse direction of the fixed cutter holder 331, each fixed cutter holder 332 includes a fixed holder 3321 and a fixed cutter shaft 3322 located above and fixedly connected to the fixed holder 3321 by welding, and both ends of the fixed cutter shaft 3322 axially protrude out of the fixed holder 3321; the fixed mount 3321 is in bolt fastening detachable connection with the fixed tool base 331; the fixed cutter 333 is respectively sleeved at two ends of the fixed cutter shaft 3322; six first through holes 3311 are transversely formed in the fixed tool holder 331, the six fixed tools 333 respectively and correspondingly penetrate through the six first through holes 3311 in the fixed tool holder 331 and limit and fix the fixed tools 333, and the fixed tools 333 extend into the movable tool part 32; the fixed cutter 333 and the movable cutter 322 are correspondingly arranged at intervals in the axial direction of the movable cutter shaft 321; the fixed frame 3321 is detachably connected with the fixed cutter seat 331 by fastening bolts, when the fixed cutter 333 is worn or damaged, the fixed cutter frame 332 can be quickly detached from the fixed cutter seat 331 only by loosening the bolt fastening piece, so that the fixed cutter 333 can be quickly taken off from the fixed cutter frame 332, the fixed cutter 333 can be quickly replaced, the operation is simple and convenient, and the utilization rate and the service life of the whole bract crushing part 3 are improved.

Referring to fig. 4-5, the housing 31 includes a side plate 313, a left side plate 314, a right side plate 315 and a sealing plate 316, the fixed blade holder 331 is disposed outside the side plate 313, the side plate 313 is disposed between the left side plate 314 and the right side plate 315, the side plate 313 is provided with six second through holes 31311 corresponding to the first through holes 3311, each fixed blade 333 sequentially passes through a corresponding first through hole 3311 and a corresponding second through hole 31311 and is fixed to the fixed blade 333 in a limiting manner, and the fixed blade 333 extends into the housing 31; the side plate 313 includes an upper side plate 3131 and a lower side plate 3132 rotatably connected to the upper side plate 3131 through a hinge, the upper side plate 3131 is connected to the fixed blade base 331, and the fixed blade base 331 is connected to the upper portions of the left side plate 314 and the right side plate 315, respectively; the middle part of the left side plate 314 and the middle part of the right side plate 315 are respectively provided with a notch 317 with an opening facing the discharge hole 312, and the two seal plates 316 are detachably connected to the outer sides of the left side plate 314 and the right side plate 315 respectively to seal or expose the notch 317; the notch 317 allows the movable blade portion 32 to be removed from the housing 31. Both sides of the upper side plate 3131 are respectively bolted to the middle of the left side plate 314 and the middle of the right side plate 315.

Referring to fig. 4 to 8, the stationary blade 333 and the movable blade 322 are spaced apart from each other in the axial direction of the movable blade shaft 321. When the corn bract crusher works, corn bracts enter from the bract feeding port 311 on the upper part of the shell 31, the movable cutter shaft 321 rotates under the driving of power, and then the plurality of movable cutters 322 on the movable cutter shaft 321 are driven to rotate together, and because the fixed cutters 333 and the movable cutters 322 are correspondingly arranged at intervals in the axial direction of the movable cutter shaft 321, the fixed cutters 333 are flaky and provided with blades, the movable cutters 322 are also flaky and provided with blades, and the end parts of the fixed cutters 333 and the movable cutters 322 are overlapped in the radial direction of the movable cutter shaft 321, so the matching of the movable cutters 322 and the fixed cutters 333 reduces the number of the movable cutters 322, increases the bract feeding amount, ensures that the bracts are crushed uniformly, and has no missing cutting and blocking phenomena; the stationary blade 333 and the movable blade 322 may be the same blade.

Referring to fig. 4-6, two sides of the lower side plate 3132 respectively extend to the inside of the housing 31 to form a bending plate 31321, the bending plate 31321 is provided with a mounting hole (not labeled), the left side plate 314 and the right side plate 315 are respectively provided with a corresponding left waist hole 3141 and a corresponding right waist hole 3151, the lower side plate 3132 and the left side plate 314 are adjustably coupled and assembled through the mounting hole (not labeled) and the left waist hole 3141, the lower side plate 3132 and the right side plate 315 are adjustably coupled and assembled through the mounting hole (not labeled) and the right waist hole 3151, for example, the lower side plate 3132 and the left side plate 314 are sequentially inserted into the corresponding mounting hole (not labeled), the left waist hole 3141 and the elastic washer through a bolt and are fastened with a nut, the lower side plate 3132 and the right side plate 315 are sequentially inserted into the corresponding mounting hole (not labeled), the right waist hole 3151 and the elastic washer are fastened with a nut, when the mounting positions of the lower side plate 3132 and the left side plate 314 and the right side plate 315 need to be adjusted, the included angle between the lower side plate 3132 and the left side plate 314 and the right side plate 315, that is, the distance between the rotating track line of the movable knife 322 and the lower side plate 3132 in the radial direction of the movable knife shaft 321, can be adjusted by only loosening the nuts and moving the bolts to the corresponding positions in the left waist hole 3141 and the right waist hole 3151, respectively, so that the flowing smoothness of the chopped bracts from the discharge hole 312 at the lower part of the shell 31 can be adjusted; if the distance between the rotation trajectory of the moving blade 322 and the lower plate 3132 is too large, the impurity removal speed may be slow; if the distance between the rotating path line of the movable blade 322 and the lower side plate 3132 is too small, the crushed bracts may not be discharged from the discharge hole 312 in time, so that the corn bracts can be crushed and impurities can be discharged quickly by adjusting the distance between the rotating path line of the movable blade 322 and the lower side plate 3132 in the actual working process of the machine body.

The detailed structure, mutual position relationship, connection relationship and functions of other components of the present invention are mature prior art, and therefore, are not described herein again.

It will be apparent to those skilled in the art that various modifications and variations can be made in the above-described exemplary embodiments of the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

Claims

1. A corn harvester, comprising:

a peeling part for peeling bracts from the harvested corncobs;

a sorting part located below the peeling part, sorting the removed matter discharged after peeling into corn kernels and bracts;

a bract crushing section located below the end of the sorting section for crushing the bracts sorted by the sorting section,

the bract crushing part comprises a shell, a movable cutter part arranged in the shell and a fixed cutter part fixed on the shell; the upper part of the shell is provided with a bract feeding port, and the lower part of the shell is provided with a discharge port;

the fixed cutter part comprises a fixed cutter seat connected with the shell, a plurality of fixed cutter frames connected with the fixed cutter seat and a plurality of fixed cutters connected with each fixed cutter frame, and each fixed cutter penetrates through the fixed cutter seat and extends into the movable cutter part in the direction.

2. A corn harvester as in claim 1, further comprising:

the fixed cutter frame comprises a fixed frame and a fixed cutter shaft which is positioned above and connected with the fixed frame, and two ends of the fixed cutter shaft axially protrude out of the fixed frame; the fixed frame is detachably connected with the fixed cutter seat; the fixed knives are respectively sleeved at two ends of the fixed knife shaft.

3. A corn harvester as in claim 2, further comprising:

a plurality of first through holes are arranged in the transverse direction of the fixed cutter seat; the shell comprises a side plate connected with the fixed cutter seats, the fixed cutter seats are positioned on the outer side of the side plate, the side plate is provided with a plurality of second through holes corresponding to the first through holes, and each fixed cutter sequentially penetrates through each corresponding first through hole and each corresponding second through hole and limits and fixes each fixed cutter.

4. A corn harvester as in claim 1, further comprising:

the fixed tool holders are arranged at intervals along the transverse direction of the fixed tool holder.

5. A corn harvester as in claim 1, further comprising:

the movable knife part comprises a movable knife shaft which is rotatably connected in the shell, the periphery of the movable knife shaft is provided with movable knives in a circumferential distribution manner, and two adjacent movable knives are staggered with each other along the circumferential direction of the movable knife shaft; the fixed cutters and the movable cutters are correspondingly arranged at intervals in the axial direction of the movable cutter shaft.

6. A corn harvester as in claim 3, further comprising:

the shell further comprises a left side plate and a right side plate, and the side plates are positioned between the left side plate and the right side plate; the side plate comprises an upper side plate and a lower side plate which is rotatably connected with the upper side plate, and the fixed cutter seat is connected with the upper side plate; the two sides of the upper side plate are respectively connected with the middle part of the left side plate and the middle part of the right side plate; and two sides of the lower side plate are respectively connected with the lower part of the left side plate and the lower part of the right side plate in an adjustable manner.

7. A corn harvester as in claim 6, further comprising:

the lower side plate two sides respectively to the inside bending board that extends of casing, the mounting hole has been seted up to the bending board, the left side board with corresponding left waist hole and right waist hole have been seted up respectively to the right side board, the lower side plate with the left side board passes through mounting hole and left waist hole adjustable connection assembly, the lower side plate with the right side board passes through mounting hole and right waist hole adjustable connection assembly.

8. A corn harvester as in claim 7, further comprising:

the fixed cutter seat is respectively connected with the upper parts of the left side plate and the right side plate.

9. A corn harvester as in claim 7, further comprising:

the shell further comprises sealing plates, the middle part of the left side plate and the middle part of the right side plate are respectively provided with a notch with an opening facing the discharge hole, and the sealing plates are detachably connected to the outer sides of the left side plate and the right side plate respectively so as to seal or expose the notches; the notch can detach the movable cutter part from the shell.

10. A corn harvester as in claim 2, further comprising:

the fixed frame is fixedly connected with the fixed cutter shaft in a welding mode.