CN210868798U - Sunflower harvesting header - Google Patents

Sunflower harvesting header Download PDF

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Publication number
CN210868798U
CN210868798U CN201921733825.9U CN201921733825U CN210868798U CN 210868798 U CN210868798 U CN 210868798U CN 201921733825 U CN201921733825 U CN 201921733825U CN 210868798 U CN210868798 U CN 210868798U
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China
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sunflower
reel
harvesting
pulling
plate
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CN201921733825.9U
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Inventor
张凌杰
张学军
朱兴亮
于蒙杰
靳伟
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Xinjiang Agricultural University
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Xinjiang Agricultural University
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Abstract

The utility model relates to the technical field of agricultural machinery, in particular to a sunflower harvesting header, which comprises a frame, a cutting table and a cutting table, wherein one or more row groups are arranged on the frame and are used for corresponding to sunflower planting rows; the middle part of each row group is provided with a harvesting channel; the divider is arranged at the front end of the frame; the reel feeding device is arranged on the rack, positioned on two sides of the harvesting channel and used for shifting the sunflower stalks to move backwards; a stem-pulling device, comprising: a stalk-pulling roller rotatably provided on the frame; the stem drawing roller is sequentially provided with a leading-in section, a stem drawing section and a cutting section from front to back; the two stalk-pulling rollers are arranged at two sides of the harvesting channel and are used for pulling and cutting sunflower stalks downwards; sunflower dish scion device includes: a conveyer belt and a sunflower disc ear-receiving plate; a driving plate component is arranged on the conveying belt and is used for conveying sunflower plates and seeds; an elastic component is arranged between the sunflower disc ear-catching plate and the frame. Adopt the utility model discloses can reduce the loss of sunflower results in-process seed grain, reduce the hourglass and fall a set phenomenon.

Description

Sunflower harvesting header
Technical Field
The utility model relates to the technical field of agricultural machinery, especially, relate to a sunflower results header.
Background
Sunflower is an important economic crop in China. In recent years, the planting area of the sunflower in China is increased year by year, the harvesting process is an important component of the agricultural harvesting link, and the mechanized harvesting of the sunflower is a necessary trend of development along with the development of large-scale planting and agricultural modernization.
However, the current mechanical sunflower harvesting equipment is not mature; the harvesting header is mostly refitted from other grain harvesting headers, and the problems of high seed loss rate, tray dropping by a leakage tray, winding, blockage and the like exist.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a sunflower results header, main aim at reduces the loss of sunflower results in-process seed grain, reduces the hourglass dish phenomenon of falling.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
the embodiment of the utility model provides a sunflower harvesting header, which comprises a frame, a divider, a reel feeding device, a stem pulling device, a sunflower head scion device and a conveying screw conveyer;
one or more row groups are arranged on the rack and used for harvesting corresponding to the sunflower planting rows; the middle part of each row group is a harvesting channel of sunflower stalks;
the grain divider is arranged at the front end of the rack, is positioned at two sides of the harvesting channel and is used for supporting and separating sunflower stalks;
the reel feeding devices are arranged on the rack, are arranged on two sides of the harvesting channel and are used for shifting sunflower stalks to move backwards;
the reel feeding device comprises: a front supporting piece, a reel and a reel chain;
the front supporting piece is arranged on the frame;
a plurality of reel wheels are provided; the reel wheels are rotatably arranged on the frame; at least one reel is rotatably arranged on the front supporting piece;
the reel chain is arranged on the reel wheel and driven by the reel wheel to rotate; the reel chain is provided with reel teeth; a plurality of reel teeth are arranged; the plurality of the reel teeth are arranged on the reel chain at intervals;
the reel teeth which are arranged at two sides of the harvesting channel and close to the harvesting channel are driven by the reel chain to move backwards and are used for shifting sunflower stalks backwards;
the stem pulling device comprises: a stalk-pulling roller; the stem drawing roller is rotatably arranged on the frame and is driven to rotate; the stem pulling roller is positioned below the reel chain; the number of the stalk-pulling rollers is two; the two stalk-pulling rollers are respectively arranged on two sides of the harvesting channel and are parallel to each other; the two stalk-pulling rollers rotate in opposite directions and are used for pulling and cutting the sunflower stalks between the two stalk-pulling rollers downwards;
the stem drawing roller is sequentially provided with a leading-in section, a stem drawing section and a cutting section from front to back; the outer wall of the leading-in sections is of a spiral cone structure, and the two leading-in sections rotate relatively and are used for leading in the stalks;
a raised strip structure is fixedly arranged on the outer wall of the stem pulling section; the strip structure is arranged along the axial direction of the stalk-pulling roller; the strip structure is multiple; the strip structures are arranged at intervals along the circumferential direction of the stalk pulling roller, and the stalk pulling sections rotate to pull down stalks;
the outer wall of the cutting section is fixedly provided with a raised cutting edge; the cutting edge is arranged along the axial direction of the stalk-pulling roller; the number of the cutting edges is multiple; the plurality of cutting edges are arranged at intervals along the circumferential direction of the stalk-pulling roller; the cutting end rotates and is used for pulling down the stalks and cutting the stalks;
the sunflower disc scion device is arranged on the rack and distributed on two sides of the harvesting channel;
the sunflower dish scion device includes: the scion wheel, the conveyer belt and the sunflower disc scion plate;
the scion wheel can be rotatably arranged on the rack; at least two grafting wheels are arranged; the two scion wheels are arranged in front and back; the conveying belt is arranged on the scion wheel and driven by the scion wheel to rotate; the conveying belt is positioned above the reel chain;
a driving plate component is fixedly arranged on the conveying belt; the dial component is multiple; a plurality of the dial members are arranged on the conveyor belt at intervals;
the sunflower disc ear-catching plate is arranged on the rack and is positioned below the driving plate component so as to support the sunflower disc when the stem-pulling roller pulls the sunflower stem; an elastic component is arranged between the sunflower disc scion plate and the rack, so that when the sunflower disc scion plate is pressed downwards by a sunflower disc, the sunflower disc scion plate moves downwards, and rebounds after the pressure disappears;
the conveyer belt drives the driving plate component to rotate and is used for conveying the sunflower plates and the seeds on the sunflower plate scion plate;
the conveying auger is arranged on the rack and used for receiving and conveying the materials conveyed by the conveying belt.
Furthermore, a seed collecting mechanism is also arranged on the rack; the seed collecting mechanism is positioned on two sides of the harvesting channel;
seed grain collection mechanism includes: a collection trough and a collection plate;
the collecting tank is fixedly arranged on the rack; the collecting groove is arranged along the extending direction of the harvesting channel;
the collecting plate is fixedly arranged on the rack and is positioned below the sunflower disc ear receiving plate; the collecting plate is obliquely arranged towards the collecting tank and is used for guiding the seeds on the collecting plate into the collecting tank;
the collecting tank is provided with an unloading port; the unloading port is provided with an opening and closing member for selectively opening or closing the unloading port.
Further, a sealing strip brush is fixedly arranged on the collecting plate; the sealing strip brush extends towards the centre line of the harvesting channel to prevent seeds from falling.
Further, the reel is arranged on the front supporting piece through a bearing seat; the bearing seat is slidably arranged on the front support;
the front supporting piece is provided with a tensioning mechanism; one end of the tensioning mechanism is hinged with the front supporting piece, and the other end of the tensioning mechanism is hinged with the bearing seat; the bearing seat is applied with thrust by the tensioning mechanism and is used for tensioning the reel chain.
Further, the rotating shafts of the reel wheels on the rack are parallel to each other;
the plane where the reel chains on the front supporting piece are located and the plane where the reel chains on the rack are located have a preset included angle;
the predetermined included angle is 5-25 degrees.
Further, the inner side of the reel chain on the front supporting piece is gradually close to the center of the harvesting channel from front to back; the reel chains on the two sides of the harvesting channel are symmetrically arranged.
Further, when the driving plate member moves above the sunflower plate and the ear receiving plate, the driving plate member is attached to the sunflower plate and the ear receiving plate;
the distance between the end part of the driving plate component above the sunflower disc scion plate and the center line of the harvesting channel is not more than the distance between the inner end surface of the sunflower disc scion plate and the center line of the harvesting channel.
Further, the length of the stem pulling section is longer than that of the leading-in section;
the stem pulling section is longer than the cutting section.
Further, the number of the strip structures is the same as the number of the blades;
the cutting edge is arranged in the extending direction of the strip structure and is positioned on the same plane with the strip structure;
the front end of the blade is connected to the rear end of the strip structure.
Furthermore, the weed picking knife is fixedly arranged on the rack and positioned on one side of the stem pulling roller and is used for picking weeds wound on the stem pulling roller.
Borrow by above-mentioned technical scheme, the utility model discloses sunflower results header has following advantage at least:
the loss of seeds in the sunflower harvesting process can be reduced, and the phenomenon of plate leakage and plate falling is reduced.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic view of a sunflower harvesting header provided in an embodiment of the present invention;
fig. 2 is a schematic bottom view of a sunflower harvesting header provided in an embodiment of the present invention;
fig. 3 is a schematic view of a partial structure of a sunflower harvesting header provided by an embodiment of the present invention;
fig. 4 is a schematic view of a stem pulling device in a sunflower harvesting header provided by an embodiment of the present invention;
fig. 5 is a schematic view of a seed collecting mechanism in a sunflower harvesting header according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of a stem pulling section of a stem pulling roller in a sunflower harvesting header according to an embodiment of the present invention;
fig. 7 is a schematic cross-sectional view of a cutting section of a stalk-pulling roller in a sunflower harvesting header provided by an embodiment of the present invention.
Shown in the figure:
1 is a frame, 1-1 is a shield, 2 is a divider, 3 is a reel feeding device, 3-1 is a front support piece, 3-1 is a reel wheel, 3-3 is a reel chain, 3-4 is reel teeth, 3-5 is a tensioning mechanism, 4 is a stem pulling device, 4-1 is a leading-in section, 4-2 is a stem pulling section, 4-21 is a strip structure, 4-3 is a cutting section, 4-31 is a blade, 5 is a sunflower head scion device, 5-1 is a scion wheel, 5-2 is a conveying belt, 5-3 is a drive plate member, 5-4 is a sunflower head picking plate, 5-5 is an elastic member, 6 is a conveying auger, 7 is a seed collecting mechanism, 7-1 is a collecting tank, 7-11 is an unloading port, 7-2 is a collecting plate, and 8 is a grass picking knife.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description is given with reference to the accompanying drawings and preferred embodiments, in order to explain the detailed embodiments, structures, features and effects of the present invention. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
As shown in fig. 1 to 7, an embodiment of the present invention provides a sunflower harvesting header, which comprises a frame, a divider, a reel feeder, a stalk puller, a sunflower head scion device and a conveying auger; the frame is a frame structure; the frame is formed by welding formed steel; the frame is used for being mounted at the front end of the sunflower harvester and used for harvesting the sunflower disc. Two sides of the frame are provided with protective covers. One or more row groups are arranged on the rack, and the row groups are used for harvesting corresponding to the sunflower planting rows; the middle part of the single row group is a harvesting channel of sunflower stalks; the header of different quantity row groups can be produced according to the requirement.
The grain divider is arranged at the front end of the frame, is positioned at two sides of the harvesting channel and is used for supporting and separating sunflower stalks; the harvester moves forward, and the sunflower stalks are guided to the reel feeding device by the grain divider.
The reel feeding devices are arranged on the frame, are arranged on two sides of the harvesting channel and are used for shifting the sunflower stalks to move backwards; the reel feeding device comprises: a front supporting piece, a reel and a reel chain; the front supporting piece is arranged on the frame and used for supporting the reel; a plurality of reel wheels are provided; the reel wheels are rotatably arranged on the frame; preferably connected with the frame through a bearing; at least one reel is rotatably arranged on the front support, preferably the reel is connected with the front support through a bearing. The reel chain is arranged on the reel wheel and driven by the reel wheel to rotate; the reel chain is provided with reel teeth; a plurality of reel teeth are provided; a plurality of reel teeth are arranged on the reel chain at intervals; the reel wheel drives the reel chain to rotate, so that reel teeth which are arranged at two sides of the harvesting channel and close to the harvesting channel are driven by the reel chain to move backwards and are used for shifting sunflower stalks backwards;
the stem pulling device comprises: a stalk-pulling roller; the stalk-pulling roller is rotatably arranged on the frame and is driven to rotate; preferably, both ends of the stalk-pulling roll are connected with the frame through bearings. The stalk pulling roller is positioned below the reel chain; two stalk-pulling rollers are arranged on one row group; the two stalk-pulling rollers are respectively arranged at two sides of the harvesting channel and are parallel to each other; the two stalk-pulling rollers rotate in opposite directions and are used for pulling and cutting the sunflower stalks between the two stalk-pulling rollers downwards;
the stem drawing roller is sequentially provided with a leading-in section, a stem drawing section and a cutting section from front to back; can reduce the feeding amount of the stalks and prevent blockage.
The outer wall of the leading-in sections is of a spiral cone structure, and the two leading-in sections rotate relatively and are used for receiving the stalks guided by the grain divider and further guiding the stalks in the harvesting channel;
a raised strip structure is fixedly arranged on the outer wall of the stem pulling section; the strip structure is arranged along the axial direction of the stalk-pulling roller; the strip structure is multiple; the plurality of strip structures are arranged at intervals along the circumferential direction of the stalk-pulling roller, and the stalk-pulling sections rotate to pull down the stalks; when the two stalk-pulling rollers rotate relatively, the strip structures on the two stalk-pulling rollers correspondingly extrude the sunflower stalks between the two stalk-pulling rollers and pull the sunflower stalks downwards along with the rotation of the stalk-pulling rollers.
The outer wall of the cutting section is fixedly provided with a raised cutting edge; the cutting edge is arranged along the axial direction of the stalk-pulling roller; the number of the cutting edges is multiple; the plurality of blades are arranged at intervals along the circumferential direction of the stalk-pulling roller; the cutting end rotates to pull the stems downwards and cut the stems to cut off the sunflower stems so as to separate the sunflower stems from the sunflower discs.
The sunflower disc scion device is arranged on the frame and distributed on two sides of the harvesting channel; sunflower dish scion device includes: the scion wheel, the conveyer belt and the sunflower disc scion plate; the scion wheel can be rotatably arranged on the frame; the scion wheel is connected with the frame through a bearing; in the embodiment, the scion wheel is preferably a chain wheel; of course, a pulley is not excluded. At least two scion wheels are provided; the two scion wheels are arranged in front and back; the conveyer belt is arranged on the scion wheel and driven by the scion wheel to rotate; the conveying belt is positioned above the reel chain; a driving plate component is fixedly arranged on the conveying belt; the dial component is multiple; a plurality of dial members are arranged on the conveying belt at intervals; in this embodiment, 3 to 4 scion wheels are preferred, so that the conveyer belt can be tensioned and guided to a proper position. A protective cover is arranged above the sunflower disc scion device and fixedly locked on the rack.
The sunflower disc ear-catching plate is arranged on the rack and is positioned below the driving plate component so as to support the sunflower disc when the stalk-pulling roller pulls the sunflower stalk; an elastic component is arranged between the sunflower disc scion plate and the rack, so that when the sunflower disc scion plate is pressed downwards by the sunflower disc, the sunflower disc scion plate moves downwards, and rebounds after the pressure disappears; can buffer and absorb shock, lightens the impact between the sunflower plate and the sunflower plate ear-catching plate and reduces seed loss. The sunflower disc is arranged above the sunflower disc ear-catching plate, and the stems are cut off by the stem-pulling roller, so that the stems are separated from the sunflower disc.
The conveyer belt drives the driving plate component to rotate and is used for conveying the sunflower plates and the seeds on the sunflower plate scion plate backwards; the conveying auger is arranged on the rack, is positioned behind the sunflower disk spike receiving plate and is used for receiving and conveying the materials conveyed by the conveying belt.
The utility model discloses an embodiment provides a sunflower results header can reduce the loss of sunflower results in-process seed grain, reduces the hourglass dish phenomenon of falling, improves the efficiency of sunflower results.
As the optimization of the above embodiment, the frame is further provided with a grain collecting mechanism; the seed collecting mechanism is positioned at two sides of the harvesting channel; seed grain collection mechanism includes: a collection trough and a collection plate; the collecting tank is fixedly arranged on the frame; preferably by welding. The collecting vat sets up along the extending direction who reaps the passageway to when having sunflower seeds to drop on the sunflower dish connects the ear plate, can collect along the way. The collecting plate is fixedly arranged on the rack and is positioned below the sunflower disc ear receiving plate; the collecting plate is obliquely arranged towards the collecting tank and used for guiding the seeds on the collecting plate into the collecting tank;
the collecting tank is provided with an unloading port for unloading the sunflower seeds collected on the collecting tank. The unloading port is provided with an opening and closing member for selectively opening or closing the unloading port. Closing when collecting the sunflower seeds; it is opened when the sunflower seeds need to be unloaded. Can reduce the waste of the sunflower seeds to a great extent and increase the benefits of farmers.
Further preferably, a sealing strip brush is fixedly arranged on the collecting plate; the sealing strip brush extends towards the centre line of the harvesting channel to prevent the seeds from falling. The sealing strip brushes on the two sides of the harvesting channel are mutually crossed to prevent the sunflower seeds from falling off when the sunflower stalks pass through. Preferably, the sealing strip brush is fixed to the end of the collecting plate near the center of the harvesting channel.
As a preference of the above embodiment, the reel is provided on the front support through a bearing housing; the bearing seat is slidably arranged on the front support; so as to adjust the relative position of the reel through the bearing seat; the front supporting piece is provided with a tensioning mechanism; one end of the tensioning mechanism is hinged with the front supporting piece, and the other end of the tensioning mechanism is hinged with the bearing seat; the bearing seat is applied with thrust by the tensioning mechanism and is used for tensioning the reel chain. Preferably the tensioning mechanism is a compression spring.
As the optimization of the embodiment, the rotating shafts of the reel wheels on the frame are parallel to each other; the plane where the standing grain pulling chain on the front supporting piece is located and the plane where the standing grain pulling chain on the rack are located have a preset included angle; the predetermined included angle is 5-25 degrees. The sunflower stalks are picked backwards by a seedling pulling chain at the front end of the frame; in the middle of the rack, the reel chain can obliquely and upwards pick stalks along the sunflower head scion plate, so that the sunflower heads can be conveniently transported and collected backwards.
Preferably, the inner side of the reel chain on the front supporting piece is gradually close to the center of the harvesting channel from front to back; the reel chains on two sides of the harvesting channel are symmetrically arranged, so that when sunflower stems enter the harvesting channel, the sunflower stems can be guided to be concentrated towards the center of the harvesting channel, and sunflower discs and stems can be conveniently collected and cut.
Preferably, the drive plate member is attached to the sunflower head heading plate when the drive plate member moves above the sunflower head heading plate, so as to prevent sunflower seeds from being left; the distance between the end part of the driving plate component above the sunflower disc scion plate and the center line of the harvesting channel is not larger than the distance between the inner end surface of the sunflower disc scion plate and the center line of the harvesting channel, so that the driving plate component can cover the width of the sunflower disc scion plate and completely convey materials on the sunflower disc scion plate.
Preferably, the length of the stalk-pulling section is longer than that of the introduction section and the length of the stalk-pulling section is longer than that of the cutting section, so that a longer stalk-pulling distance is provided and the sunflower stalks can be completely pulled out.
As a preference of the above embodiment, the number of strip structures is the same as the number of blades; the cutting edge is arranged in the extending direction of the strip structure and is positioned on the same plane with the strip structure; the front end part of the cutting edge is connected with the rear end part of the strip structure, so that the strip structures on the two stalk-pulling rollers can relatively and correspondingly extrude and pull down stalks when the stalk-pulling rollers rotate; the cutting edges can correspondingly cut the stalks and are convenient for processing and manufacturing the stalk-pulling roller.
Preferably, the weed picking knife is fixedly arranged on the frame and positioned at one side of the stalk-pulling roll and is used for picking weeds wound on the stalk-pulling roll and preventing the weeds from blocking the stalk-pulling roll. The grass removing knife is arranged at the lower end of the collecting tank.
As a preference of the above embodiment, the front support is rotatably provided on the frame; the adjusting component is arranged between the front supporting piece and the frame and used for pushing the reel on the front supporting piece to a preset position; so that the openings at the two sides of the harvesting channel can be adjusted and changed according to the number or the position of the sunflower stems under the action of the elastic adjusting component.
The sunflower harvesting header provided by one embodiment of the utility model is hung on a main machine of the sunflower harvester, and the main machine moves forward in a sunflower field to harvest a sunflower disc; the sunflower harvesting header provided by one embodiment of the utility model adopts a double-layer poking and conveying structure, and the upper sunflower disc scion device is responsible for poking and conveying sunflower discs backwards and dropping seeds; lower floor's standing grain feeding device is responsible for shifting grain backward, and adopts sunflower dish scion device and seed grain collection mechanism to carry out sunflower dish and seed grain collection, and the double-deck seed grain collection structure that drops avoids falling to the ground seed grain loss.
Further still, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, with such terms being used only to distinguish one element from another. Without departing from the scope of the exemplary embodiments. Similarly, the terms first, second, etc. do not denote any order or order, but rather the terms first, second, etc. are used to distinguish one element from another. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims (10)

1. A sunflower harvesting header is characterized by comprising a rack, a divider, a reel feeding device, a stem pulling device, a sunflower head scion device and a conveying screw conveyer;
one or more row groups are arranged on the rack and used for harvesting corresponding to the sunflower planting rows; the middle part of each row group is a harvesting channel of sunflower stalks;
the grain divider is arranged at the front end of the rack, is positioned at two sides of the harvesting channel and is used for supporting and separating sunflower stalks;
the reel feeding devices are arranged on the rack, are arranged on two sides of the harvesting channel and are used for shifting sunflower stalks to move backwards;
the reel feeding device comprises: a front supporting piece, a reel and a reel chain;
the front supporting piece is arranged on the frame;
a plurality of reel wheels are provided; the reel wheels are rotatably arranged on the frame; at least one reel is rotatably arranged on the front supporting piece;
the reel chain is arranged on the reel wheel and driven by the reel wheel to rotate; the reel chain is provided with reel teeth; a plurality of reel teeth are arranged; the plurality of the reel teeth are arranged on the reel chain at intervals;
the reel teeth which are arranged at two sides of the harvesting channel and close to the harvesting channel are driven by the reel chain to move backwards and are used for shifting sunflower stalks backwards;
the stem pulling device comprises: a stalk-pulling roller; the stem drawing roller is rotatably arranged on the frame and is driven to rotate; the stem pulling roller is positioned below the reel chain; the number of the stalk-pulling rollers is two; the two stalk-pulling rollers are respectively arranged on two sides of the harvesting channel and are parallel to each other; the two stalk-pulling rollers rotate in opposite directions and are used for pulling and cutting the sunflower stalks between the two stalk-pulling rollers downwards;
the stem drawing roller is sequentially provided with a leading-in section, a stem drawing section and a cutting section from front to back; the outer wall of the leading-in sections is of a spiral cone structure, and the two leading-in sections rotate relatively and are used for leading in the stalks;
a raised strip structure is fixedly arranged on the outer wall of the stem pulling section; the strip structure is arranged along the axial direction of the stalk-pulling roller; the strip structure is multiple; the strip structures are arranged at intervals along the circumferential direction of the stalk pulling roller, and the stalk pulling sections rotate to pull down stalks;
the outer wall of the cutting section is fixedly provided with a raised cutting edge; the cutting edge is arranged along the axial direction of the stalk-pulling roller; the number of the cutting edges is multiple; the plurality of cutting edges are arranged at intervals along the circumferential direction of the stalk-pulling roller; the cutting end rotates and is used for pulling down the stalks and cutting the stalks;
the sunflower disc scion device is arranged on the rack and distributed on two sides of the harvesting channel;
the sunflower dish scion device includes: the scion wheel, the conveyer belt and the sunflower disc scion plate;
the scion wheel can be rotatably arranged on the rack; at least two grafting wheels are arranged; the two scion wheels are arranged in front and back; the conveying belt is arranged on the scion wheel and driven by the scion wheel to rotate; the conveying belt is positioned above the reel chain;
a driving plate component is fixedly arranged on the conveying belt; the dial component is multiple; a plurality of the dial members are arranged on the conveyor belt at intervals;
the sunflower disc ear-catching plate is arranged on the rack and is positioned below the driving plate component so as to support the sunflower disc when the stem-pulling roller pulls the sunflower stem; an elastic component is arranged between the sunflower disc scion plate and the rack, so that when the sunflower disc scion plate is pressed downwards by a sunflower disc, the sunflower disc scion plate moves downwards, and rebounds after the pressure disappears;
the conveyer belt drives the driving plate component to rotate and is used for conveying the sunflower plates and the seeds on the sunflower plate scion plate;
the conveying auger is arranged on the rack and used for receiving and conveying the materials conveyed by the conveying belt.
2. A sunflower harvesting header according to claim 1,
the frame is also provided with a seed collecting mechanism; the seed collecting mechanism is positioned on two sides of the harvesting channel;
seed grain collection mechanism includes: a collection trough and a collection plate;
the collecting tank is fixedly arranged on the rack; the collecting groove is arranged along the extending direction of the harvesting channel;
the collecting plate is fixedly arranged on the rack and is positioned below the sunflower disc ear receiving plate; the collecting plate is obliquely arranged towards the collecting tank and is used for guiding the seeds on the collecting plate into the collecting tank;
the collecting tank is provided with an unloading port; the unloading port is provided with an opening and closing member for selectively opening or closing the unloading port.
3. A sunflower harvesting header according to claim 2,
a sealing strip brush is fixedly arranged on the collecting plate; the sealing strip brush extends towards the centre line of the harvesting channel to prevent seeds from falling.
4. A sunflower harvesting header according to claim 1,
the reel is arranged on the front supporting piece through a bearing seat; the bearing seat is slidably arranged on the front support;
the front supporting piece is provided with a tensioning mechanism; one end of the tensioning mechanism is hinged with the front supporting piece, and the other end of the tensioning mechanism is hinged with the bearing seat; the bearing seat is applied with thrust by the tensioning mechanism and is used for tensioning the reel chain.
5. A sunflower harvesting header according to claim 4,
the rotating shafts of the reel wheels on the rack are parallel to each other;
the plane where the reel chains on the front supporting piece are located and the plane where the reel chains on the rack are located have a preset included angle;
the predetermined included angle is 5-25 degrees.
6. A sunflower harvesting header according to claim 5,
the inner side of the reel chain on the front supporting piece is gradually close to the center of the harvesting channel from front to back; the reel chains on the two sides of the harvesting channel are symmetrically arranged.
7. A sunflower harvesting header according to claim 1,
when the driving plate component moves above the sunflower plate ear-catching plate, the driving plate component is attached to the sunflower plate ear-catching plate;
the distance between the end part of the driving plate component above the sunflower disc scion plate and the center line of the harvesting channel is not more than the distance between the inner end surface of the sunflower disc scion plate and the center line of the harvesting channel.
8. A sunflower harvesting header according to claim 1,
the stem pulling section is longer than the leading-in section;
the stem pulling section is longer than the cutting section.
9. A sunflower harvesting header according to claim 8,
the number of the strip structures is the same as that of the cutting edges;
the cutting edge is arranged in the extending direction of the strip structure and is positioned on the same plane with the strip structure;
the front end of the blade is connected to the rear end of the strip structure.
10. A sunflower harvesting header according to claim 1,
the straw removing knife is fixedly arranged on the rack, is positioned on one side of the stem drawing roller and is used for removing weeds wound on the stem drawing roller.
CN201921733825.9U 2019-10-16 2019-10-16 Sunflower harvesting header Active CN210868798U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921733825.9U CN210868798U (en) 2019-10-16 2019-10-16 Sunflower harvesting header

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921733825.9U CN210868798U (en) 2019-10-16 2019-10-16 Sunflower harvesting header

Publications (1)

Publication Number Publication Date
CN210868798U true CN210868798U (en) 2020-06-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110574544A (en) * 2019-10-16 2019-12-17 新疆农业大学 Sunflower harvesting header
CN114391368A (en) * 2022-02-10 2022-04-26 四川农业大学 Header is taken concurrently to fresh corn stalk ear of grain

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110574544A (en) * 2019-10-16 2019-12-17 新疆农业大学 Sunflower harvesting header
CN114391368A (en) * 2022-02-10 2022-04-26 四川农业大学 Header is taken concurrently to fresh corn stalk ear of grain

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