阅读说明：本技术 一种根茎作物收获机的根茎分离机构 (Rhizome separating mechanism of rhizome crop harvester ) 是由 吴明洋 于 2021-01-11 设计创作，主要内容包括：本发明公开一种根茎作物收获机的根茎分离机构,包括分离平台,分离平台包括台板,台板上设有若干沟槽,沟槽在远离推料机构的一端还安装有可上下移动的第一挡板,第一挡板具有内凹的第一曲面结构,分离平台的上方设有切根刀组,切根刀组包括若干切割刀具以及驱动切割刀具上下移动的刀具驱动件,刀具驱动件包括旋转部件,旋转部件的旋转面上设有第一驱动头以及第二驱动头,使得第一驱动头以及第二驱动头依次交替驱动切割刀具上下移动,其中,第一驱动头的驱动端到旋转中心的距离小于第二驱动头的驱动端到旋转中心的距离。本发明设于收获机内,在卸载作物前即可对作物进行去根,而且采用机械化去根,提高了作物的收获效率。(The invention discloses a rhizome separation mechanism of a rhizome crop harvester, which comprises a separation platform, wherein the separation platform comprises a platen, a plurality of grooves are formed in the platen, a first baffle capable of moving up and down is further installed at one end, away from a material pushing mechanism, of each groove, the first baffle is provided with a first concave curved surface structure, a root cutting knife group is arranged above the separation platform and comprises a plurality of cutting knives and a knife driving piece for driving the cutting knives to move up and down, the knife driving piece comprises a rotating part, a first driving head and a second driving head are arranged on a rotating surface of the rotating part, so that the first driving head and the second driving head sequentially and alternately drive the cutting knives to move up and down, and the distance from a driving end of the first driving head to a rotating center is smaller than the distance from a driving end of the second driving head to the. The invention is arranged in the harvester, the roots of the crops can be removed before the crops are unloaded, and the mechanical root removal is adopted, so that the harvesting efficiency of the crops is improved.)

1. A rhizome separation mechanism of a rhizome crop harvester is characterized by comprising a separation platform (1), wherein one end of the separation platform (1) is provided with a transition plate (2), and one end of the transition plate (2) is connected with a crop bin through a crop transportation mechanism, so that crops stored in the crop bin are transported onto the transition plate (2) through the crop transportation mechanism; one end of the transition plate (2) far away from the separation platform (1) is provided with a pushing mechanism (3), so that the crops transported to the transition plate (2) are pushed to the separation platform (1) through the pushing mechanism (3);

the separation platform (1) comprises a bedplate (101), a plurality of grooves (102) are formed in the bedplate (101), and the distribution direction of the grooves (102) is consistent with the movement direction of the material pushing mechanism (3); a first baffle plate (103) capable of moving up and down is further mounted at one end, far away from the material pushing mechanism (3), of the groove (102), the first baffle plate (103) is provided with a first concave curved surface structure (104), the concave surface of the first curved surface structure (104) faces the direction of the material pushing mechanism (3), and the top height of the first baffle plate (103) is lower than the height of the position of the crop root and stem;

the top of separation platform (1) is equipped with root cutting knife tackle (4), root cutting knife tackle (4) include a plurality of cutting tool (401) and drive the cutter driving piece that cutting tool (401) reciprocated, the cutter driving piece includes rotary part (402), the rotation axis horizontal arrangement of rotary part (402), be equipped with first drive head (403) and second drive head (404) on the rotation plane of rotary part (402), make first drive head (403) and second drive head (404) drive in turn cutting tool (401) reciprocate, wherein, the drive end of first drive head (403) is less than the drive end of second drive head (404) and the distance of rotation center.

2. The rhizome separation mechanism of a root crop harvester according to claim 1, wherein the cutter driving member further comprises a pressing plate (405), a plurality of cutting cutters (401) are fixedly installed at the bottom of the pressing plate (405), and a connecting portion (406) matched with the first driving head (403) and the second driving head (404) is arranged at the top of the pressing plate (405).

3. The rhizome separation mechanism of a rhizome crop harvester according to claim 2, wherein the connection part (406) is a connection rod, and a roller (407) is provided on a top of the connection rod (406) such that the roller (407) rolls along an outer end of the rotation member (402) and an outer end of the first and second driving heads (403, 404).

4. The rhizome separation mechanism of a rhizome crop harvester according to claim 3, characterized in that the rotating member (402) is a disc, the disc is driven to rotate by a stub shaft and a driving motor, the first driving head (403) and the second driving head (404) are respectively formed integrally with the disc;

the phase difference between the first driving head (403) and the second driving head (404) is 90-180 degrees;

the end edge parts of the first driving head (403), the second driving head (404) and the disc are respectively provided with a caulking groove (408), and the roller (407) is embedded in the caulking groove (408).

5. The rhizome separation mechanism of a rhizome crop harvester according to claim 4, wherein the cutter driving member further comprises a first spring (413), the first spring (413) being fitted over the connecting rod;

still fixed mounting has second baffle (409) on the connecting rod, fixed mounting has in the organism of harvester be used for with connecting rod complex deflector (414), first spring (413) are located between second baffle (409) and deflector (414).

6. The rhizome separation mechanism of a rhizome crop harvester according to claim 5, characterized in that a plurality of third baffles (410) are fixedly mounted at the bottom of the pressing plate (405), the number of the third baffles (410) is the same as that of the grooves (102), and the third baffles (410) correspond to the grooves (102) one by one;

the third baffle plate (410) and the first baffle plate (103) are positioned on the same vertical plane, so that the outer end of the third baffle plate (410) far away from the material pushing mechanism (3) is aligned with the outer end of the first baffle plate (103) far away from the material pushing mechanism (3) in the vertical direction;

the third baffle plate (410) is fixedly arranged at the bottom of the pressure plate (405) through a second spring (411), and when the second spring (411) is in a natural state, the height of the third baffle plate (410) is lower than that of the bottom of the cutting tool (401).

7. The rhizome separating mechanism of a harvester for rhizome crops as claimed in claim 6, wherein the inner side of the third baffle plate (410) is provided with a second curved structure (412), and the concave side of the second curved structure (412) faces to one side of the pushing mechanism (3).

8. The rhizome separation mechanism of a harvester for rhizome crops as claimed in claim 7, wherein the concave side of the first curved surface structure (104) and the concave side of the second curved surface structure (412) are respectively fixed with a silica gel layer.

9. The rhizome separation mechanism of a rhizome crop harvester according to claim 8, characterized in that the pushing mechanism (3) comprises a push plate (301) and a driving unit for driving the push plate (301) to move;

one side, facing the first baffle (103), of the push plate (301) is fixedly provided with a plurality of curved plates (302), the number of the curved plates (302) is consistent with that of the grooves (102), and the curved plates (302) correspond to the grooves (102) one to one.

10. The rhizome separation mechanism of a rhizome crop harvester according to claim 9, characterized in that the concave side of the curved plate (302) is connected with a silicon plate (304) through a third spring (303), the middle of the silicon plate (304) has a concave part (305), and the concave side of the concave part (305) faces the position of the first baffle plate (103).

Technical Field

The invention relates to intelligent agricultural operation equipment, in particular to a rhizome separation mechanism of a rhizome crop harvester.

Background

With the development of science and technology, more and more crops are planted mechanically, so that the planting scale of the crops is enlarged. Rhizome crops, such as fleshy root crops like radish, are usually harvested mechanically due to the large planting area. After the harvester has received the radish crops, the crops are stored in the crop storage bin of the machine. After the crop bin is full, the radishes are removed, and the removed radishes are not subjected to root removal, so that the roots of the removed radishes are also required to be removed. In the prior art, the root removing operation of the radish is an independent operation after the radish is unloaded, and most of the root removing operation is manual, so that the receiving efficiency of the radish is restricted.

Disclosure of Invention

In order to solve the defects in the prior art, the invention aims to provide a rhizome separation mechanism of a rhizome crop harvester, which is arranged in the harvester, can remove roots of crops before the crops are unloaded, and adopts mechanical root removal to improve the harvesting efficiency of the crops.

The technical scheme adopted by the invention for solving the technical problems is as follows: a rhizome separation mechanism of a rhizome crop harvester comprises a separation platform, wherein one end of the separation platform is provided with a transition plate, and one end of the transition plate is connected with a crop bin through a crop transportation mechanism, so that crops stored in the crop bin are transported to the transition plate through the crop transportation mechanism; a material pushing mechanism is arranged at one end of the transition plate far away from the separation platform, so that the crops transported to the transition plate are pushed to the separation platform through the material pushing mechanism;

the separation platform comprises a bedplate, a plurality of grooves are arranged on the bedplate, and the distribution direction of the grooves is consistent with the movement direction of the material pushing mechanism; a first baffle capable of moving up and down is further mounted at one end, far away from the material pushing mechanism, of the groove, the first baffle is provided with a first concave surface structure, the concave surface of the first concave surface structure faces the direction of the material pushing mechanism, and the height of the top of the first baffle is lower than that of the position of the crop root;

the top of separation platform is equipped with the root cutter group, the root cutter group includes a plurality of cutting tool and drive the cutter driving piece that cutting tool reciprocated, the cutter driving piece includes rotary part, rotary part's rotation axis level is arranged, be equipped with first drive head and second drive head on rotary part's the rotatory face, make first drive head and second drive head drive in turn cutting tool reciprocates, wherein, the drive end of first drive head is less than the drive end of second drive head to the distance of rotation center.

Optionally, the cutter driving part further comprises a pressing plate, the plurality of cutting cutters are fixedly mounted at the bottom of the pressing plate, and a connecting portion matched with the first driving head and the second driving head is arranged at the top of the pressing plate.

Optionally, the connecting portion is a connecting rod, and a roller is disposed at the top of the connecting rod, so that the roller rolls along the outer end edge of the rotating member, the outer end edge of the first driving head, and the outer end edge of the second driving head.

Optionally, the rotating part is a disc, the disc is driven to rotate by a short shaft and a driving motor, and the first driving head and the second driving head are respectively integrally formed with the disc;

the phase difference between the first driving head and the second driving head is 90-180 degrees;

the end edge parts of the first driving head, the second driving head and the disc are respectively provided with caulking grooves, and the idler wheels are embedded in the caulking grooves.

Optionally, the cutter driving piece further comprises a first spring, and the first spring is sleeved on the connecting rod;

still fixed mounting has the second baffle on the connecting rod, fixed mounting has in the organism of harvester be used for with connecting rod complex deflector, first spring is located between second baffle and the deflector.

Optionally, a plurality of third baffles are fixedly mounted at the bottom of the pressure plate, the number of the third baffles is consistent with that of the grooves, and the third baffles correspond to the grooves one to one;

the third baffle and the first baffle are positioned on the same vertical plane, so that the outer end of the third baffle, which is far away from the material pushing mechanism, is aligned with the outer end of the first baffle, which is far away from the material pushing mechanism, in the vertical direction;

the third baffle is fixedly arranged at the bottom of the pressure plate through a second spring, and when the second spring is in a natural state, the height of the third baffle is lower than that of the bottom of the cutting tool.

Optionally, a second curved surface structure is arranged on the inner side of the third baffle, and the concave side of the second curved surface structure faces one side of the pushing mechanism.

Optionally, the concave side of the first curved surface structure and the concave side of the second curved surface structure are respectively fixed with a silica gel layer.

Optionally, the pushing mechanism includes a pushing plate and a driving unit for driving the pushing plate to move;

one side of the push plate, which faces the first baffle, is fixedly provided with a plurality of curved plates, the number of the curved plates is consistent with that of the grooves, and the curved plates correspond to the grooves one to one.

Optionally, the concave side of the curved plate is connected with a silica gel plate through a third spring, a concave portion is arranged in the middle of the silica gel plate, and the concave side of the concave portion faces the position of the first baffle.

By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:

1. the root and stem separating mechanism is arranged in the harvester and is connected to the crop bin through the crop conveying mechanism, when the harvester harvests crops, the crop is conveyed to the root and stem separating mechanism through the crop conveying mechanism to carry out root and stem separating operation, so that the root system of the crops is removed before the harvester unloads the crops, the subsequent manual root removal is avoided, the harvesting efficiency of the crops is improved, and the labor intensity is reduced.

2. According to the root and stem separating mechanism, when roots are removed, the root system is cut in a twice cutting mode, so that the stability of root system cutting is guaranteed, the root system can be cut cleanly, and the cutting efficiency of the crop root system is improved.

Drawings

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a schematic view of the construction of the rotating member of the present invention;

FIG. 4 is a schematic view of the connection of the rotating member of the present invention to the connecting rod;

FIG. 5 is a schematic structural view of a first baffle of the present invention;

FIG. 6 is a schematic structural view of a third baffle of the present invention;

FIG. 7 is a schematic view of the construction of the curved plate of the present invention;

fig. 8 is a schematic view of the structure of the inventive platen.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 and 2, the rhizome separating mechanism of a rhizome crop harvester disclosed by the invention comprises a separating platform 1, wherein a transition plate 2 is arranged at one end of the separating platform 1, and one end of the transition plate 2 is connected with a crop bin through a crop transporting mechanism, so that crops stored in the crop bin are transported to the transition plate 2 through the crop transporting mechanism. The transition plate 2 is provided with a pushing mechanism 3 at one end far away from the separating platform 1, so that the crops transported to the transition plate 2 are pushed to the separating platform 1 through the pushing mechanism 3, and root systems of the crops are cut off by the root cutter group 4 above the separating platform 1.

Specifically, in the present invention, the separation platform 1 includes a platen 101, and a plurality of grooves 102 are formed on the platen 101, and the distribution of the grooves 102 is shown in fig. 8. The number of grooves 102 is adapted to the capacity of the harvester in order to optimize the root cutting efficiency. The distribution direction of the grooves 102 is the same as the moving direction of the pushing mechanism 3, that is, the groove walls of the grooves 102 are arranged perpendicular to the transition plate 2, so that the pushing mechanism 3 can push the crops into the grooves 102 directly from the transition plate 2. The groove 102 is further provided with a first baffle 103 which can move up and down at one end far away from the pushing mechanism 3, the first baffle 103 is provided with a first concave surface structure 104, the concave surface of the first concave surface structure 104 faces the pushing mechanism 3, and the top of the first baffle 103 is lower than the position of the crop root. Through first baffle 103, can carry on spacingly to the crop to what make root cutter group 4 can be accurate cuts the crop root system.

In the present invention, as shown in fig. 1 and 2, the root cutter group 4 includes a plurality of cutting tools 401 and a tool driving member for driving the cutting tools 401 up and down. Wherein the tool driving member comprises a rotating member 402, the rotating shaft of the rotating member 402 is horizontally arranged, in one embodiment of the present invention, as shown in fig. 3, the rotating member 402 may be a disk, the rotating shaft of the disk is a short shaft, and the disk is driven by a driving motor, so as to save cost. As shown in fig. 3, a first driving head 403 and a second driving head 404 are provided on the rotation surface of the rotation member 402, so that the first driving head 403 and the second driving head 404 can sequentially and alternately drive the cutting tool 401 to move up and down, wherein the distance from the driving end of the first driving head 403 to the rotation center is smaller than the distance from the driving end of the second driving head 404 to the rotation center, and the phase difference between the first driving head 403 and the second driving head 404 is 90 to 180 °.

The cutter driving part further comprises a pressing plate 405, and the plurality of cutting cutters 401 are fixedly arranged at the bottom of the pressing plate 405, so that all the cutting cutters 401 can be driven to move synchronously through one pressing plate 405, and the consistency and the stability of the cutting action are kept. A connection 406 is also provided on top of platen 405 to mate with first drive head 403 and second drive head 404. The connecting portion 406 is a connecting rod, and the top of the connecting rod 406 is provided with a roller 407, so that the roller 407 rolls along the outer end edge of the rotating member 402 and the outer end edges of the first driving head 403 and the second driving head 404. The first driving head 403, the second driving head 404 and the end edge of the disc are respectively provided with a caulking groove 408, and the roller 407 is embedded in the caulking groove 408.

In the present invention, in order to ensure that the cutting tool 401 has higher stability in movement, the first driving head 403 and the second driving head 404 may be integrally formed with the disk, respectively, so that the positions where the first driving head 403 and the second driving head 404 respectively contact the disk have higher smoothness, and therefore, the roller 407 can reduce the chattering effect when passing through the positions where the first driving head 403 and the second driving head 404 respectively contact the disk, thereby improving the stability of the cutting tool 401.

In the invention, in order to ensure that the cutting tool 401 can automatically reset after cutting the root system, the connecting rod is sleeved with the first spring 413, and when the roller 407 runs into the caulking groove 408 at the outer end edge of the disc, the cutting tool 401 can reset under the combined action of the roller 407, the caulking groove 408 and the first spring 413 to wait for the next operation. Specifically, when the first spring 413 is installed, the second baffle 409 needs to be fixedly installed on the connecting rod, meanwhile, the guide plate 414 used for being matched with the connecting rod is fixedly installed inside the harvester, and then the first spring 413 is sleeved between the second baffle 409 and the guide plate 414. In one embodiment of the present invention, when fixing the guide plate 414, the guide plate 414 may be directly and fixedly mounted on the harvester body near the connecting rod through the bracket, as long as the guide plate 414 can guide the up-and-down movement of the connecting rod.

In the present invention, as shown in fig. 2 and 6, a plurality of third baffles 410 are further fixedly mounted at the bottom of the pressure plate 405, the number of the third baffles 410 is the same as the number of the grooves 102, and the third baffles 410 correspond to the grooves 102 one by one. The third baffle plate 410 is located on the same vertical plane as the first baffle plate 103, so that the outer end of the third baffle plate 410 away from the pushing mechanism 3 is vertically aligned with the outer end of the first baffle plate 103 away from the pushing mechanism 3. In addition, the third blocking plate 410 is fixedly installed at the bottom of the pressing plate 405 by the second spring 411, and the height of the third blocking plate 410 is lower than that of the bottom of the cutter 401 when the second spring 411 is in a natural state. Under this structure, when cutting tool 401 descends, compress tightly the upper portion of crop through third baffle 410, form the cooperation with first baffle 103 to form the centre gripping form to the crop, prevent that the crop from beating and rotate, in addition, through the setting of third baffle 410, can effectually prevent that cutting tool 401 can cut the risk of the stem portion of crop. Therefore, in the present invention, the inner side of the third baffle 410 is provided with the second curved surface structure 412, and the concave side of the second curved surface structure 412 faces to one side of the pushing mechanism 3. When the cutting tool 401 is used for cutting the root system of the crop, the concave surfaces of the first curved surface structure 104 and the second curved surface structure 412 are attached to the end edge of the crop, so that the crop is clamped.

In order to prevent the first curved surface structure 104 and the second curved surface structure 412 from damaging the crops when the crops are clamped, a silica gel layer may be respectively fixed on the concave side of the first curved surface structure 104 and the concave side of the second curved surface structure 412.

In the present invention, as shown in fig. 2, the pushing mechanism 3 includes a pushing plate 301 and a driving unit for driving the pushing plate 301 to move. Wherein, one side of the push plate 301 facing the first baffle 103 is fixedly provided with a plurality of curved plates 302, the number of the curved plates 302 is the same as that of the grooves 102, the curved plates 302 correspond to the grooves 102 one by one, and the structure of the curved plates 302 is shown in fig. 7.

When the harvester works, the crop conveying mechanism conveys crops to the transition plate 2 for arrangement, when the transition plate 2 is fully arranged with the crops, the pushing mechanism 3 pushes the crops into the groove 102, so that the silica gel plate 304 on the pushing mechanism 3 is matched with the first curved surface structure 104, and the two ends of the crops are clamped. Then cutting tool 401 is under the effect of first drive head 403, carry out preliminary cutting to the root system of crop, along with the continuation rotation of disc, second drive head 404 redrives cutting tool 401 and descends, because the distance of second drive head 404 to the rotation center is greater than the distance of first drive head 403 to the rotation center, consequently under the effect of second drive head 404, cutting tool 401's descending amplitude is bigger, and because cutting tool 401 has carried out preliminary cutting to the root system in the past, consequently, cutting tool 401 can be more thorough when cutting for the second time excises the root system. After the root system of the crop is cut off, the cutting tool 401 is lifted, and meanwhile, the third baffle 410 is also separated from the surface of the crop, at this time, the first baffle 103 is retracted to the position below the bedplate 101, and the crop continues to move forward under the action of the pushing mechanism 3, so that the crop with the root system cut off is pushed into the crop collecting device.

In the present invention, in order to collect the crop with the cut root, as shown in fig. 1 and 2, the platen 101 may be disposed on a seat 105, and a collecting plate 106 is disposed on a side of the seat 105 away from the pushing mechanism 3, and the collecting plate 106 may be obliquely disposed, so that the collecting plate 106 forms a slope. Further, a gap is provided between the top of the collecting plate 106 and the platen 101, and the first baffle 103 is disposed in the gap. In one embodiment of the present invention, the first baffle plate 103 may be driven by a cam transmission mechanism and a driving motor, so as to generate the effect of moving the first baffle plate 103 up and down. In addition, as shown in fig. 5, a flat plate 107 may be fixedly connected to the top of the first baffle plate 103, the width of the flat plate 107 is adapted to the width of the gap, the length of the flat plate 107 is identical to the width of the first baffle plate 103, and the flat plate 107 is provided with a through hole 108 through which the cutting tool 401 passes, so that the flat plate 107 is just flatly laid between the platen 101 and the collecting plate 106 when the first baffle plate 103 is lowered to the lowest position by the arrangement of the flat plate 107, thereby enabling the crop to be smoothly pushed into the collecting plate 106.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Other technical features than those described in the specification are known to those skilled in the art, and are not described herein in detail in order to highlight the innovative features of the present invention.