CN212910815U - Stalk pulling mechanism suitable for sundry removing device of corn kernel harvester - Google Patents
Stalk pulling mechanism suitable for sundry removing device of corn kernel harvester Download PDFInfo
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- CN212910815U CN212910815U CN202020612847.6U CN202020612847U CN212910815U CN 212910815 U CN212910815 U CN 212910815U CN 202020612847 U CN202020612847 U CN 202020612847U CN 212910815 U CN212910815 U CN 212910815U
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Abstract
The utility model relates to a stalk-pulling mechanism suitable for a corn kernel harvester sundries removing device, which comprises an upper stalk-pulling roller and a lower stalk-pulling roller, wherein the two stalk-pulling rollers are respectively and fixedly welded on an upper stalk-pulling roller shaft and a lower stalk-pulling roller shaft; the left end of the upper stem-pulling roll shaft and the left end of the lower stem-pulling roll shaft are rotatably supported on the left stem-pulling bracket, and the right end of the upper stem-pulling roll shaft and the right end of the lower stem-pulling roll shaft are rotatably supported on the right stem-pulling bracket; one end of one of the stalk-pulling rollers is provided with a stalk-pulling power input chain wheel which is connected with a chain wheel arranged on a gap bridge main shaft of the fruit ear conveyor through a transmission chain; the other ends of the two stalk-pulling rollers are provided with an upper stalk-pulling gear and a lower stalk-pulling gear which are meshed with each other; the two stalk pulling brackets are respectively and fixedly arranged on the inner side of the left side wall and the inner side of the right side wall of the operation box of the sundries removing device. The mechanism realizes the grabbing and feeding of sundries.
Description
Technical Field
The utility model belongs to the corn harvester relates to maize seed grain results technique, concretely relates to draw stem mechanism suitable for maize seed grain harvester debris clearing device.
Background
In the existing corn harvesting operation, the phenomenon that the ears, broken stalks and corn leaves simultaneously enter a conveying device and are conveyed into a threshing system together can occur along with the generation of broken stalks and peeled corn leaves when the ears are picked. Broken stalks and corn leaves can increase the workload of a threshing system, reduce the threshing efficiency of the ears and reduce the threshing effect of the ears, and broken stalks and corn leaves can enter a cleaning system along with separated grains, so that the load of the cleaning device is increased, and the cleanliness of the grains can be seriously influenced (the impurity rate is improved).
Aiming at the defects of the threshing function, the sundries removing device is designed in advance, and the stem sundries removing device is arranged at the connecting position of the ear conveyor and the threshing cylinder in the threshing system so as to remove sundries such as broken stems, corn leaves and the like mixed in the ears and prevent or greatly reduce the impurities entering the threshing cylinder. The sundries removing device is designed in advance by an operation box and a stem pulling mechanism, a cutting mechanism and a conveying and discharging mechanism which are arranged in the operation box, wherein the stem pulling mechanism is used for feeding broken stems, corn leaves and other impurities into the removing device, the cutting mechanism is used for cutting off the impurities, and the conveying and discharging mechanism is used for conveying and discharging the cut impurities.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide a simple structure, feeding are effectual be applicable to maize seed grain harvester debris clearing device draw stem mechanism.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a draw stem mechanism suitable for maize seed grain harvester debris clearing device which characterized in that:
the stem pulling mechanism comprises an upper stem pulling roller and a lower stem pulling roller which are vertically aligned and arranged along the left-right direction, the upper stem pulling roller and the lower stem pulling roller are respectively and fixedly welded on an upper stem pulling roller shaft and a lower stem pulling roller shaft, a plurality of upper stem pulling convex ridges extending along the left-right direction are uniformly distributed on the outer circumferential surface of the upper stem pulling roller, a plurality of lower stem pulling convex ridges extending along the left-right direction are uniformly distributed on the outer circumferential surface of the lower stem pulling roller, and the plurality of upper stem pulling convex ridges and the plurality of lower stem pulling convex ridges are arranged in a staggered manner; the left end of the upper stem-pulling roll shaft and the left end of the lower stem-pulling roll shaft are rotatably supported on a left stem-pulling bracket, the right end of the upper stem-pulling roll shaft and the right end of the lower stem-pulling roll shaft are rotatably supported on a right stem-pulling bracket, one end of one stem-pulling roll shaft is provided with a stem-pulling power input chain wheel, and the stem-pulling power input chain wheel is connected with a chain wheel arranged on a gap bridge main shaft of the ear conveyor through a transmission chain; the other ends of the two stalk-pulling rollers are provided with an upper stalk-pulling gear and a lower stalk-pulling gear which are meshed with each other; the left stem pulling support and the right stem pulling support are fixedly arranged on the inner side of the left side wall and the inner side of the right side wall of the operation box of the sundries removing device respectively.
Further: the left stem pulling support and the right stem pulling support are respectively connected with the left side wall and the right side wall of the operation box through bolts, bolt holes formed in the left side wall and the right side wall are long round holes extending in the up-down direction, and the left stem pulling support and the right stem pulling support are respectively and fixedly installed on the inner side of the left side wall and the inner side of the right side plate in a mode of being capable of being synchronously adjusted up and down.
The utility model has the advantages and positive effect:
1. the stem pulling mechanism realizes the grabbing and backward throwing of sundries through the stem pulling convex ridges on the two stem pulling rollers which rotate oppositely, thereby feeding the broken stems, the peeled corn leaves and other sundries into the sundry removing device and realizing the separation of the sundries and the fruit ears.
2. The stem pulling mechanism has few components and simple transmission, and can achieve better feeding effect.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the stalk rolls of FIG. 1;
fig. 3 is a perspective reference view of the utility model mounted on the sundries removing device.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative, not restrictive, and the scope of the invention should not be limited thereto.
A stem pulling mechanism suitable for a sundries removing device of a corn kernel harvester is disclosed, please refer to fig. 1-3, and the invention point is as follows:
the stem drawing mechanism comprises an upper stem drawing roller 1 and a lower stem drawing roller 2, and the two stem drawing rollers are arranged along the left and right direction and are vertically aligned. The upper stem-pulling roller and the lower stem-pulling roller are respectively fixedly welded on an upper stem-pulling roller shaft 8 and a lower stem-pulling roller shaft 9, a plurality of upper stem-pulling convex ridges 1.1 extending along the left-right direction are uniformly welded on the outer circumferential surface of the upper stem-pulling roller, a plurality of lower stem convex ridges 2.1 extending along the left-right direction are uniformly arranged on the outer circumferential surface of the lower stem-pulling roller, and the plurality of upper stem-pulling convex ridges and the plurality of lower stem-pulling convex ridges are arranged in a staggered manner. The left end of the upper stem-pulling roll shaft and the left end of the lower stem-pulling roll shaft are rotatably supported on a left stem-pulling support 6 through structures such as a bearing seat or a shaft sleeve, the right end of the upper stem-pulling roll shaft and the right end of the lower stem-pulling roll shaft are rotatably supported on a right stem-pulling support 5 through structures such as a bearing seat or a shaft sleeve, a stem-pulling power input chain wheel 7 is installed at one end of one stem-pulling roll shaft, and the stem-pulling power input chain wheel is connected with a chain wheel installed on a gap bridge main shaft of the ear conveyor through a transmission chain so as to transmit power to the stem-pulling rolls. The other ends of the two stalk-pulling roll shafts are provided with an upper stalk-pulling gear 3 and a lower stalk-pulling gear 4 which are meshed with each other, so that the two stalk-pulling rolls can rotate oppositely. The left stem pulling support and the right stem pulling support are fixedly arranged on the inner side of the left side wall and the inner side of the right side wall of the operation box of the sundries removing device respectively.
In the above structure, further: the left stem pulling support and the right stem pulling support are respectively connected with the left side wall and the right side wall of the operation box through bolts, bolt holes formed in the left side wall and the right side wall are long round holes extending in the up-down direction, and the left stem pulling support and the right stem pulling support are respectively and fixedly installed on the inner side of the left side wall and the inner side of the right side plate in a mode of being capable of being synchronously adjusted up and down. The stem pulling mechanism can be synchronously adjusted at the upper position and the lower position of the sundries removing device, so that the adaptability adjustment of different varieties and different operation states is ensured, and better applicability is achieved.
The stem pulling mechanism is positioned at the front end of the sundries removing device, when mixed materials such as ears, broken stems, peeled corn leaves and the like picked by the header enter the threshing system through the ear conveyor, the sundries such as the broken stems, the peeled corn leaves and the like enter a grabbing area of the stem pulling mechanism under the throwing and conveying action of the conveying system, and the ears enter the threshing system below the grabbing area. The upper stem-pulling roller and the lower stem-pulling roller rotate oppositely, a certain number of stem-pulling convex ridges used for grabbing sundries are uniformly distributed on the rollers, and the convex ridges of the two rollers are arranged in a staggered manner, so that grabbing and backward throwing of the sundries are realized.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (2)
1. The utility model provides a draw stem mechanism suitable for maize seed grain harvester debris clearing device which characterized in that:
the stem pulling mechanism comprises an upper stem pulling roller and a lower stem pulling roller which are vertically aligned and arranged along the left-right direction, the upper stem pulling roller and the lower stem pulling roller are respectively and fixedly welded on an upper stem pulling roller shaft and a lower stem pulling roller shaft, a plurality of upper stem pulling convex ridges extending along the left-right direction are uniformly distributed on the outer circumferential surface of the upper stem pulling roller, a plurality of lower stem pulling convex ridges extending along the left-right direction are uniformly distributed on the outer circumferential surface of the lower stem pulling roller, and the plurality of upper stem pulling convex ridges and the plurality of lower stem pulling convex ridges are arranged in a staggered manner; the left end of the upper stem-pulling roll shaft and the left end of the lower stem-pulling roll shaft are rotatably supported on a left stem-pulling bracket, the right end of the upper stem-pulling roll shaft and the right end of the lower stem-pulling roll shaft are rotatably supported on a right stem-pulling bracket, one end of one stem-pulling roll shaft is provided with a stem-pulling power input chain wheel, and the stem-pulling power input chain wheel is connected with a chain wheel arranged on a gap bridge main shaft of the ear conveyor through a transmission chain; the other ends of the two stalk-pulling rollers are provided with an upper stalk-pulling gear and a lower stalk-pulling gear which are meshed with each other; the left stem pulling support and the right stem pulling support are fixedly arranged on the inner side of the left side wall and the inner side of the right side wall of the operation box of the sundries removing device respectively.
2. The stem pulling mechanism suitable for the sundries removing device of the corn kernel harvester according to claim 1, is characterized in that: the left stem pulling support and the right stem pulling support are respectively connected with the left side wall and the right side wall of the operation box through bolts, bolt holes formed in the left side wall and the right side wall are long round holes extending in the up-down direction, and the left stem pulling support and the right stem pulling support are respectively and fixedly installed on the inner side of the left side wall and the inner side of the right side plate in a mode of being capable of being synchronously adjusted up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020612847.6U CN212910815U (en) | 2020-04-22 | 2020-04-22 | Stalk pulling mechanism suitable for sundry removing device of corn kernel harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020612847.6U CN212910815U (en) | 2020-04-22 | 2020-04-22 | Stalk pulling mechanism suitable for sundry removing device of corn kernel harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212910815U true CN212910815U (en) | 2021-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020612847.6U Active CN212910815U (en) | 2020-04-22 | 2020-04-22 | Stalk pulling mechanism suitable for sundry removing device of corn kernel harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212910815U (en) |
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2020
- 2020-04-22 CN CN202020612847.6U patent/CN212910815U/en active Active
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