CN221449183U - Threshing cylinder for corn kernel harvester - Google Patents
Threshing cylinder for corn kernel harvester Download PDFInfo
- Publication number
- CN221449183U CN221449183U CN202322117921.3U CN202322117921U CN221449183U CN 221449183 U CN221449183 U CN 221449183U CN 202322117921 U CN202322117921 U CN 202322117921U CN 221449183 U CN221449183 U CN 221449183U
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- threshing
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- spiral
- corn
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- 240000008042 Zea mays Species 0.000 title claims abstract description 29
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 title claims abstract description 29
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 29
- 235000005822 corn Nutrition 0.000 title claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 230000000295 complement effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Threshing Machine Elements (AREA)
Abstract
The utility model discloses a threshing cylinder for a corn kernel harvester, which is used for feeding corn cobs by arranging an integrated spiral feeding seat at the end part of a cylinder body; a plurality of threshing bases are spirally fixed on the outer diameter of the roller body, and threshing blocks are arranged on the upper parts of the threshing bases; the threshing base is in a plurality of spiral line structures, and the spiral line formed by the threshing base is single or a plurality of spiral lines are arranged at intervals. According to the corn cob threshing machine, corn cob threshing operation is performed by adopting the threshing blocks which are arranged in a spiral mode, so that the corn cobs and kernels can be effectively prevented from being damaged due to vertical stress; the threshing block is fixed on the threshing base in a coating manner, so that the threshing block can be effectively prevented from being damaged due to local stress; when the threshing block needs to be replaced, the threshing block can be detached from the threshing base, so that the threshing block is convenient to maintain and high in efficiency; the threshing base for fixing the threshing block is of a frame structure, and can be well supported.
Description
Technical Field
The utility model belongs to the technical field of threshing components in agricultural machinery, and particularly relates to a threshing cylinder for a corn kernel harvester.
Background
In the existing harvesting platforms for corn kernel collection, threshing drums are mostly of an integral design, as disclosed in the patent publication No. CN207054111U, for example, a plurality of threshing blocks are welded on the outer wall of the drum, and when the drum rotates, the threshing blocks act on kernels to collect the kernels on straws.
In the prior art, the roller for fixing the threshing block is of an integrated structure design, and the threshing block is assembled by bolts in the fixed holes through arranging a plurality of fixed holes on the outer wall of the roller; threshing blocks in the prior art are divided into a left-leaning threshing block and a right-leaning threshing block, when the threshing blocks are assembled, the threshing blocks need to be distinguished, and two products with different shapes cannot be used in an intercommunicating manner, so that the threshing blocks are easy to store; furthermore, the threshing block is a vulnerable part, the fixing strength is low, the threshing block is easy to damage at the screw rod when being impacted by the outside, and the fixed point supplement is realized by welding nuts on the outer wall of the roller during maintenance, so that the maintenance efficiency is seriously affected; moreover, the existing threshing blocks are axially arranged, and when threshing is carried out, the threshing blocks which axially rotate collide with the corn cobs, so that the corn cobs are easily damaged, and the corn cobs and seeds are collected.
To the drawback in the prior art, it is necessary to design a threshing cylinder for corn kernel harvester, and it can realize threshing block structure change, on the basis that improves its bulk strength, effectual improvement packaging efficiency reduces the corn cob damage rate, can realize quick maintenance when the trouble produces.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present utility model proposes a threshing cylinder for a corn kernel harvester, which is provided with a threshing base spirally distributed outside the cylinder, and the threshing block is indirectly fixed by the threshing base, so that the assembly efficiency and the assembly strength of the threshing cylinder are effectively improved.
The technical scheme adopted for solving the technical problems is as follows:
A threshing cylinder for a corn kernel harvester comprises a cylinder body, wherein the end part of the cylinder body is provided with a screw-in material seat; the threshing machine is characterized in that a plurality of threshing bases are spirally fixed on the outer diameter of the roller body, and threshing blocks are arranged on the upper portion of the threshing bases.
The threshing base is in a plurality of spiral line structures, and the spiral line formed by the threshing base is single or a plurality of spiral lines are arranged at intervals.
The top of the threshing base is provided with a threaded hole, and a threshing block is fixed through the threaded hole. The threshing block is arranged on the threshing base in a coating manner, and after the threshing block is fixed, the threshing block cannot move on the threshing base or rotate in situ.
The threshing base is provided with a complementary flow guide structure, the shape of which is complementary with the internal structure of the threshing block, so as to realize good connection between the threshing block and the threshing base.
The threshing base is in a U-shaped structure, is buckled, welded and fixed on the roller body, and is provided with an inclined surface at the front end; the front side of the threshing block is provided with an operation cambered surface which is matched with the inclined surface.
The utility model has the following beneficial effects: according to the design, the integral spiral feeding seat is arranged at the end part of the roller body and used for feeding corn cobs; a plurality of threshing bases are spirally fixed on the outer diameter of the roller body, and threshing blocks are arranged on the upper parts of the threshing bases; further, the threshing base is in a plurality of spiral line structures, and the spiral lines formed by the threshing base are arranged singly or in a plurality of groups at intervals; by the arrangement of the structure, the corn cob threshing operation is performed by adopting the threshing blocks which are arranged in a spiral way, so that the corn cob and the corn cob can be effectively prevented from being damaged due to vertical stress; the threshing block is fixed on the threshing base in a coating manner, so that the threshing block can be effectively prevented from being damaged due to local stress; when the threshing block needs to be replaced, the threshing block can be detached from the threshing base, so that the threshing block is convenient to maintain and high in efficiency; a threshing base for fixing threshing block is frame construction, and it can play good support, and compared with the fixed mode of single bolt in the prior art, its stability is better, and the fault rate greatly reduced.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of a front view structure of the present utility model;
FIG. 2 is a schematic perspective view of the present utility model;
FIG. 3 is a schematic view of a three-dimensional splitting structure of the present utility model;
In the figure, 1, a roller body, 2, a spiral feeding seat, 21, spiral fan blades, 3, a threshing base, 31, a threaded hole, 32, an inclined surface, 4, a threshing block, 41, a top working surface, 42, an operation cambered surface, 43 and a screw counter bore.
Detailed Description
The utility model is further described below by means of embodiments. Various technical advantages of the present utility model will be embodied in specific embodiments.
As shown in the attached drawing, the threshing cylinder for the corn kernel harvester comprises a cylinder body 1, wherein a screw feeding seat 2 is arranged at the end part of the cylinder body 1, and the screw feeding seat 2 and the cylinder body 1 are integrally welded; the outer diameter of the spiral feeding seat 2 is provided with a spiral blade 21, and corn cob feeding is assisted by the spiral blade 21.
In the embodiment, a plurality of threshing bases 3 are welded on the outer wall of the roller body 1, as shown in fig. 3, threaded holes 31 are formed in the tops of the separating bases 3, complementary flow guiding structures are arranged on the threshing bases 3, the shapes of the complementary flow guiding structures are complementary with the internal structures of the threshing blocks 4, and after the threshing blocks 4 are inserted into the threshing bases 3, the threshing blocks 4 are fixed through the threaded holes 51. Furthermore, the threshing base is in a U-shaped structure, is buckled, welded and fixed on the outer diameter of the roller body 1, and the front end of the threshing base 3 is provided with an inclined surface 42; the front side of the threshing block 4 is provided with an operation cambered surface 42 which is matched with the inclined surface 32.
Further, as shown in fig. 3, the threshing block 4 is wrapped around the threshing base 3, and after the threshing block 4 is fixed on the threshing base 3, it cannot move or rotate in place on the threshing base 3. The operation cambered surface that the front side of threshing piece 4 set up can realize the transition of picking up to the cob, prevents the cob damage that the vertical impact cob caused.
In order to improve the extrusion impact efficiency on corn cobs, the threshing base 3 is provided with a plurality of spiral line structures, as shown in figures 2 and 3, the spiral lines formed by the threshing base 3 are arranged singly or in a plurality of groups at intervals; when threshing corn cobs, the threshing blocks 4 arranged in a spiral manner can promote the corn cobs to move rightwards in a spiral manner, so that the corn cobs are prevented from being damaged due to impact during movement, and meanwhile, the efficiency of the corn cobs to move rightwards is improved by matching with an external roller.
The utility model adopts the threshing block 4 to be arranged separately and has the advantages that: the threshing block 4 is fixedly covered on the threshing base 3, so that the threshing block 4 can be effectively prevented from being damaged due to local stress; when the threshing block 4 needs to be replaced, the threshing block can be detached from the threshing base 3, so that the threshing block is convenient to maintain and high in efficiency. Furthermore, the threshing base 3 for fixing the threshing block 4 is of a frame structure, can play a good role in supporting, and has better stability and greatly reduced failure rate compared with the fixing mode of a single bolt in the prior art.
By adopting the technology, the threshing cylinder overcomes the technical defects in the prior art, has good effect after product assembly and test, and is an ideal threshing cylinder of a corn kernel harvester.
Claims (1)
1. A threshing cylinder for a corn kernel harvester, characterized by: the rotary drum comprises a rotary drum body, wherein a screw-in material seat is arranged at the end part of the rotary drum body; a plurality of threshing bases are spirally fixed on the outer diameter of the roller body, and threshing blocks are arranged on the upper parts of the threshing bases; the threshing base is in a plurality of spiral line structures, and the spiral line formed by the threshing base is single or a plurality of spiral lines are arranged at intervals; the top of the threshing base is provided with a threaded hole, and a threshing block is fixed through the threaded hole; the threshing block is used for coating the threshing base; the threshing base is provided with a complementary flow guiding structure, and the shape of the complementary flow guiding structure is complementary with the internal structure of the threshing block; the threshing base is in a U-shaped structure, is buckled, welded and fixed on the roller body, and is provided with an inclined surface at the front end; the front side of the threshing block is provided with an operation cambered surface which is matched with the inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322117921.3U CN221449183U (en) | 2023-08-08 | 2023-08-08 | Threshing cylinder for corn kernel harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322117921.3U CN221449183U (en) | 2023-08-08 | 2023-08-08 | Threshing cylinder for corn kernel harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221449183U true CN221449183U (en) | 2024-08-02 |
Family
ID=92360816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322117921.3U Active CN221449183U (en) | 2023-08-08 | 2023-08-08 | Threshing cylinder for corn kernel harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221449183U (en) |
-
2023
- 2023-08-08 CN CN202322117921.3U patent/CN221449183U/en active Active
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