CN215379975U - Herringbone chopping device of spike-stalk harvesting type corn harvester - Google Patents
Herringbone chopping device of spike-stalk harvesting type corn harvester Download PDFInfo
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- CN215379975U CN215379975U CN202121430081.0U CN202121430081U CN215379975U CN 215379975 U CN215379975 U CN 215379975U CN 202121430081 U CN202121430081 U CN 202121430081U CN 215379975 U CN215379975 U CN 215379975U
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Abstract
The utility model relates to the technical field of corn harvesting machinery, and particularly discloses a herringbone chopping device of a spike-stalk harvesting type corn harvester. According to the corn stalk crushing machine, the cutting edges of the left moving knife and/or the right moving knife are gradually close to the fixed knife from one end to the other end when the crushing roller rotates through the oppositely inclined left moving knife and right moving knife, so that the crushing operation is gradually performed from the middle to two ends of the crushing roller when corn stalks pass through, the impact force applied to the left moving knife and/or the right moving knife is reduced, the blades are effectively protected, the corn stalk crushing operation is ensured, and the service life of the moving knife is effectively prolonged.
Description
Technical Field
The utility model relates to the technical field of corn harvesting machinery, in particular to a herringbone chopping device of a spike-stalk harvesting type corn harvester.
Background
Corn is one of four main grain crops in China, and the planting range of the corn is wide in China. In recent years, agricultural machinery for harvesting corn is gradually widely used, and meanwhile, the smashing and returning of corn straws are also widely popularized. The corn harvester for harvesting the ears and stalks of the corn is a machine capable of harvesting corn and rice stalks while harvesting corn ears, thereby realizing the recycling of the corn stalks, improving the economic benefit of farmers and solving the pollution problem caused by straw burning. The stalk chopping and recovering device is used as a core working part of the ear-stalk harvesting type corn harvester. Whether the design of the stalk chopping and recycling device is reasonable is one of key factors for determining the performance of the ear-stalk harvesting type corn harvester, and the stalk chopping quality can be ensured and the power consumption can be reduced only by reasonable structure and parameter design.
Chinese patent publication No. CN108076795A discloses a corn stalk chopping and recycling device, which mainly comprises a stalk feeding device, a stalk chopping device, a conveying device, a throwing device and the like; the stalk feeding device consists of a pair of round rollers with straight edges; straight edges are welded on the stalk-pulling roller, so that the stalk-pulling capacity is improved; the stalk chopping device consists of a movable knife, a chopping roller, a pressing bar, a fixed knife, an eccentric bolt, a roller shell and the like; the movable knife is arranged on the movable knife seats, and 10 movable knife seats are arranged on each movable knife seat; the 8 movable cutter seats are uniformly arranged on the spoke plate; the fixed cutter and the sizing block are arranged on the fixed cutter seat through an eccentric bolt, and the gap between the movable cutter and the fixed cutter can be adjusted through adjusting the eccentric bolt; the conveying device comprises a conveying auger, an auger shell, a driving chain wheel and the like; the throwing device comprises a throwing impeller, a pipe shaft, an impeller shell, a throwing barrel and the like.
However, in the chopping devices in the prior art, because the movable knife blade moves simultaneously during the chopping operation, the blade edge of the movable knife and the blade edge of the fixed knife are easy to be impacted, so that the blade edge breakage accident is easy to occur, and the belt transmission device is often abraded and aggravated due to the fact that the chopping device is locked.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention aims to provide a herringbone cutting device for a corn harvester capable of harvesting both ears and stalks, wherein a left knife and a right knife are arranged in an inclined manner, so that when a cutting roller rotates, the cutting edges of the left knife and/or the right knife gradually approach a fixed knife from one end to the other end, and when corn stalks pass through the herringbone cutting device, the cutting operation is gradually performed from the middle to the two ends of the cutting roller, thereby reducing the impact force applied to the left knife and/or the right knife, effectively protecting the knife blades, and effectively prolonging the service life of the movable knife while ensuring the corn stalk crushing operation.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a herringbone chopping device of a spike and stem harvesting type corn harvester comprises a left cutter disc, a middle cutter disc and a right cutter disc which are arranged on a main shaft of a chopping roller, wherein a plurality of left moving blades are arranged between the left cutter disc and the middle cutter disc; the two ends of the left moving knife are respectively arranged at different axial positions of the left cutter disc and the middle cutter disc, so that the axial center lines of the left moving knife and the shredding roller are not parallel, the left moving knife is positioned on one side of the middle cutter disc and protrudes out of the left moving knife in the movement direction of the shredding roller and is positioned on one side of the left cutter disc, and the vertical distances between different positions of the cutting edge of the left moving knife and the axial center lines of the shredding roller are the same; it moves the sword to be provided with a plurality of rights between right side blade disc and the well blade disc, the both ends that move the sword on the right side set up respectively in the disalignment axial position of right side blade disc and well blade disc makes the right side move the sword with the axial centerline of cutting the garrulous roller is not parallel, just the right side moves the sword and is located well blade disc one side is in cut garrulous roller direction of motion protrusion in the right side moves the sword and is located right side blade disc one side, the different positions of the cutting edge of sword is moved on the right side with the perpendicular distance between the axial centerline of cutting the garrulous roller is the same.
As a further improvement of the utility model, the left-hand knife or the right-hand knife comprises a knife rest and a blade detachably connected with the knife rest.
As a further improvement of the utility model, the cutting machine also comprises a fixed cutter which is arranged on the machine body and is matched with the chopping roller for use.
As a further improvement of the utility model, the fixed cutter is detachably connected with the machine body through long holes arranged at the end parts of two sides.
As a further improvement of the utility model, the blade of the fixed knife is closely attached to the moving track of the blade of the movable knife.
As a further improvement of the utility model, the device also comprises a pressing and feeding device for feeding materials to the shredding roller.
As a further improvement of the utility model, the nip device comprises an upper front nip roll, an upper transition roll, an upper rear nip roll, a lower transition roll and a lower front nip roll.
As a further improvement of the utility model, the pressure feeding device and/or the shredding roller are connected with a power device arranged on the machine body through a transmission device.
As a further development of the utility model, the transmission comprises a belt transmission or a chain transmission.
The utility model has the beneficial effects that:
according to the corn stalk crushing machine, the cutting edges of the left moving knife and/or the right moving knife are gradually close to the fixed knife from one end to the other end when the crushing roller rotates through the oppositely inclined left moving knife and right moving knife, so that the crushing operation is gradually performed from the middle to two ends of the crushing roller when corn stalks pass through, the impact force applied to the left moving knife and/or the right moving knife is reduced, the blades are effectively protected, the corn stalk crushing operation is ensured, and the service life of the moving knife is effectively prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
fig. 3 is a schematic view of the crushing roller of the present invention.
In the figure: 1 is a shredding device, 101 is a main shaft, 102 is a tool rest, 103 is a left cutterhead, 104 is a left knife, 105 is a middle cutterhead, 106 is a right knife, 107 is a right cutterhead, 2 is a transmission device, 3 is a fixed knife, 4 is a nip device, 401 is an upper rear nip roller, 402 is a lower rear nip roller, 403 is an upper transition roller, 404 is a lower transition roller, 405 is an upper front nip roller, and 406 is a lower front nip roller.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 3, the herringbone chopping device of the ear and stem harvesting type corn harvester comprises a left cutter disc, a middle cutter disc and a right cutter disc which are arranged on a main shaft of a chopping roller, wherein a plurality of left moving blades are arranged between the left cutter disc and the middle cutter disc; the two ends of the left moving knife are respectively arranged at different axial positions of the left cutter disc and the middle cutter disc, so that the axial center lines of the left moving knife and the shredding roller are not parallel, the left moving knife is positioned on one side of the middle cutter disc and protrudes out of the left moving knife in the movement direction of the shredding roller and is positioned on one side of the left cutter disc, and the vertical distances between different positions of the cutting edge of the left moving knife and the axial center lines of the shredding roller are the same; it moves the sword to be provided with a plurality of rights between right side blade disc and the well blade disc, the both ends that move the sword on the right side set up respectively in the disalignment axial position of right side blade disc and well blade disc makes the right side move the sword with the axial centerline of cutting the garrulous roller is not parallel, just the right side moves the sword and is located well blade disc one side is in cut garrulous roller direction of motion protrusion in the right side moves the sword and is located right side blade disc one side, the different positions of the cutting edge of sword is moved on the right side with the perpendicular distance between the axial centerline of cutting the garrulous roller is the same.
This device moves the sword through the left side that sets up of relative slope and moves the sword with the right side, makes the chopping roller when rotatory, and the cutting edge that moves the sword with the left side and/or move the sword with the right side is close to the stationary knife by one end to the other end gradually for when the maize stalk passes through, the operation of cutting up is carried out gradually by the centre of chopping roller to both ends, has reduced the impact force that moves the sword with the right side and/or moved the sword and received, the effectual blade that has protected, when guaranteeing maize stalk crushing operation, the effectual life who moves the sword that has improved.
In a specific embodiment, further, the left-hand knife or the right-hand knife comprises a knife rest and a blade detachably connected with the knife rest, and through the arrangement, the moving knife is easier to repair and replace when damaged, so that the convenience of repair and maintenance is improved, and the work efficiency of equipment is improved.
In a specific embodiment, as shown in fig. 1 and 2, the corn stalk crushing and returning machine further comprises a fixed knife arranged in the machine body and used in cooperation with the crushing roller, and when the crushing roller works, the left moving knife and the right moving knife form shearing force with the fixed knife so as to cut off the passing corn stalks and complete the corn stalk crushing and returning operation.
In a specific embodiment, further, the fixed knife is detachably connected with the machine body through long holes arranged at the end parts of the two sides, and the distance between the fixed knife and the movable knife is adjustable, so that the corn stalks can be cut up under different conditions, and the adaptability of the equipment to different varieties of corns and different humidity is higher. Furthermore, the moving track of the blade of the movable knife is closely attached to the blade of the fixed knife.
In a specific embodiment, further, the device further comprises a pressing and feeding device for feeding materials to the shredding roller; furthermore, the pressure feeding device comprises an upper front pressure roller, an upper transition roller, an upper rear pressure roller, a lower transition roller and a lower front pressure roller; when the corn stalk crushing and returning machine works, corn stalks are conveyed into the pressure conveying device after being subjected to fruit picking, firstly enter between the upper front pressure conveying roller and the lower front pressure conveying roller, and are conveyed into the crushing device by the sharp teeth bulges arranged on the upper front pressure conveying roller, the upper transition roller, the upper rear pressure conveying roller, the lower transition roller and the lower front pressure conveying roller in a straight manner, so that the crushing and returning of the corn stalks are facilitated.
In a specific embodiment, further, the pressing and feeding device and/or the shredding roller are connected with a power device arranged on the machine body through a transmission device; further, the transmission comprises a belt transmission or a chain transmission.
It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the utility model.
Claims (9)
1. The utility model provides an ear of grain stem harvesting type maize picker chevron shape comminution device which characterized in that: the left cutter head, the middle cutter head and the right cutter head are arranged on a main shaft of the chopping roller, and a plurality of left moving blades are arranged between the left cutter head and the middle cutter head; the two ends of the left moving knife are respectively arranged at different axial positions of the left cutter disc and the middle cutter disc, so that the axial center lines of the left moving knife and the shredding roller are not parallel, the left moving knife is positioned on one side of the middle cutter disc and protrudes out of the left moving knife in the movement direction of the shredding roller and is positioned on one side of the left cutter disc, and the vertical distances between different positions of the cutting edge of the left moving knife and the axial center lines of the shredding roller are the same; it moves the sword to be provided with a plurality of rights between right side blade disc and the well blade disc, the both ends that move the sword on the right side set up respectively in the disalignment axial position of right side blade disc and well blade disc makes the right side move the sword with the axial centerline of cutting the garrulous roller is not parallel, just the right side moves the sword and is located well blade disc one side is in cut garrulous roller direction of motion protrusion in the right side moves the sword and is located right side blade disc one side, the different positions of the cutting edge of sword is moved on the right side with the perpendicular distance between the axial centerline of cutting the garrulous roller is the same.
2. The chevron chopping device of a combined ear and stalk corn harvester as claimed in claim 1, wherein: the left-hand knife or the right-hand knife comprises a knife rest and a blade detachably connected with the knife rest.
3. The herringbone chopping device of the ear-stalk harvesting corn harvester according to claim 1 or 2, wherein: still including setting up in the organism, with the stationary knife that the cooperation of shredding roller was used.
4. The chevron chopping device of a combined ear and stalk corn harvester as claimed in claim 3, wherein: the fixed knife is detachably connected with the machine body through long holes arranged at the end parts of the two sides.
5. The chevron chopping device of a combined ear and stalk corn harvester as claimed in claim 4, wherein: the blade of the fixed knife is closely attached to the moving track of the blade of the moving knife.
6. The herringbone chopping device of the ear-stalk harvesting corn harvester according to claim 1 or 2, wherein: the device also comprises a pressure feeding device used for feeding materials to the shredding roller.
7. The chevron chopping device of a combined ear and stalk corn harvester as claimed in claim 6, wherein: the pressure feed device comprises an upper front pressure feed roller, an upper transition roller, an upper rear pressure feed roller, a lower transition roller and a lower front pressure feed roller.
8. The chevron chopping device of a combined ear and stalk corn harvester as claimed in claim 7, wherein: the pressure feeding device and/or the shredding roller are/is connected with a power device arranged on the machine body through a transmission device.
9. The chevron chopping device of a co-harvesting corn harvester of claim 8, wherein: the transmission comprises a belt transmission or a chain transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121430081.0U CN215379975U (en) | 2021-06-25 | 2021-06-25 | Herringbone chopping device of spike-stalk harvesting type corn harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121430081.0U CN215379975U (en) | 2021-06-25 | 2021-06-25 | Herringbone chopping device of spike-stalk harvesting type corn harvester |
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| CN215379975U true CN215379975U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121430081.0U Active CN215379975U (en) | 2021-06-25 | 2021-06-25 | Herringbone chopping device of spike-stalk harvesting type corn harvester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114766194A (en) * | 2022-05-11 | 2022-07-22 | 威海海洋职业学院 | Silage corn combine harvester |
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2021
- 2021-06-25 CN CN202121430081.0U patent/CN215379975U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114766194A (en) * | 2022-05-11 | 2022-07-22 | 威海海洋职业学院 | Silage corn combine harvester |
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