Corn threshing structure convenient to install and corn harvester thereof

Abstract

The utility model discloses a corn threshing structure convenient to install and a corn harvester thereof, and relates to the technical field of agricultural mechanical equipment, the corn threshing structure comprises a first base plate, one side of the first base plate is provided with an installation mechanism, and the installation mechanism comprises a first installation assembly and a second installation assembly, comprising a threshing knife roller detachably installed on the inner side face of a first base disc, a plurality of L-shaped inserting blocks are arranged on the edge of one side of the threshing knife roller in a circumferential array mode, clamping groove blocks are arranged on the surface of the inner side of the first base disc in a circumferential array mode, and the threshing knife roller is rotated so that the L-shaped inserting blocks can be sequentially inserted into groove holes in the clamping groove blocks in a matched mode. By designing the first mounting assembly, when the corn threshing structure of the equipment is mounted, the threshing knife roller is rotated to enable the L-shaped insertion blocks to be sequentially inserted into the groove holes of the clamping groove blocks in a matched mode, so that primary connection of the threshing knife roller and the first base disc can be achieved, and the threshing knife roller and the first base disc are fixed in a matched mode through the second mounting assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery and equipment, in particular to a corn threshing structure which is easy to install and a corn harvester thereof. Background Art

[0002] With the rapid development of agricultural modernization, agricultural machinery plays an increasingly important role in improving agricultural production efficiency and reducing farmers' labor intensity. As one of the important food crops in my country, corn threshing is particularly critical during its harvesting process. Traditional corn threshing methods mostly use manual or semi-mechanized operations, which are not only inefficient but also labor-intensive, and have gradually failed to meet the needs of modern agricultural production.

[0003] The reference patent is a corn harvester (publication number CN220307820U), which belongs to the field of agricultural machinery. It solves the defects of the prior art that corn harvesters are easily blocked by corn stalks during operation, and it is not easy to clean after being blocked, and manual cleaning is easy to cause harm to people. The utility model mainly includes a cutting table and a straw chopping device, the cutting table includes an upper cutting table and a lower cutting table, the upper cutting table and the lower cutting table are fixedly connected; the lower cutting table is fixedly connected to the straw chopping device; the lower cutting table is provided with a cutting knife and a straw auger; the straw chopping device is provided with a feeding port and a feeding roller; the corn harvester is provided with a cutting table gearbox, and the power output shaft of the cutting table gearbox is transmission-connected with the cutting table and the straw chopping device.

[0004] As described in the above patent, the conventional corn threshing structure mostly adopts a fixed design, which is cumbersome to install, difficult to adjust, and not easy to adapt to the needs of different planting scales and working environments. At the same time, the conventional corn harvester often has problems such as incomplete threshing and damage to the grains during the threshing process, which seriously affects the yield and quality of corn. In addition, due to the design defects of the conventional threshing structure, the corn harvester is prone to blockage and high failure rate during operation, which brings inconvenience to agricultural production. To this end, the utility model provides a corn threshing structure and a corn harvester that are easy to install. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a corn threshing structure and a corn harvester that are easy to install, which solves the problem that the traditional corn threshing structure mostly adopts a fixed design, is cumbersome to install, difficult to adjust, and is not easy to adapt to the needs of different planting scales and working environments. At the same time, the traditional corn harvester often has problems such as incomplete threshing and damage to the grains during the threshing process, which seriously affects the yield and quality of corn.

[0006] To achieve the above purpose, the utility model is implemented by the following technical solutions: a corn threshing structure that is easy to install includes a first base plate, and a mounting mechanism is provided on one side of the first base plate, and the mounting mechanism includes:

[0007] The first mounting assembly is arranged on one side of the first base plate, and comprises a threshing knife roller detachably mounted on the inner side of the first base plate, wherein a plurality of groups of L-shaped plug blocks are arranged in a circumferential array on one side edge of the threshing knife roller, and a clamping groove block is arranged in a circumferential array on the inner side surface of the first base plate, and the threshing knife roller is rotated so that the L-shaped plug blocks are sequentially inserted into the slot holes on the clamping groove block;

[0008] The second mounting assembly is arranged on one side of the first mounting assembly and is used to cooperate with the first mounting assembly to fix the threshing knife roller on the first base plate.

[0009] Preferably, the second mounting assembly includes a second base fixedly connected to the threshing knife roller, a self-rotating screw is rotatably mounted on the second base, and a first bevel gear is welded on the self-rotating screw, two groups of positioning bars are fixed to the front end of the second base, and connecting rods are rotatably arranged on the two groups of positioning bars.

[0010] Preferably, a second bevel gear meshing with the first bevel gear is fixed to one end of the connecting rod, and a worm is fixed to the other end of the connecting rod.

[0011] Preferably, shaft blocks are fixed on both sides of the second base plate, a shaft rod is rotatably mounted on the shaft block, and gears and positioning rods are welded to the outer wall of the shaft rod, and the gears and the worm are meshed for transmission, and positioning groove blocks are provided at both ends of the first base plate for the positioning rod to cooperate and engage.

[0012] Preferably, a metal grid is welded on the inner side of the first base plate, and the metal grid can cooperate with a threshing knife roller to thresh corn.

[0013] A corn harvester with a corn threshing structure that is easy to install comprises a feed frame, and a drive motor is installed on one side of the feed frame, and the drive motor drives the assembled first installation component and the second installation component to rotate.

[0014] Beneficial Effects

[0015] The utility model provides a corn threshing structure and a corn harvester that are easy to install. Compared with the prior art, the utility model has the following beneficial effects:

[0016] (1) The corn threshing structure and corn harvester that are easy to install are designed with a first installation component. When the corn threshing structure of the equipment is installed, the threshing knife roller is rotated to make the L-shaped plug blocks fit in the slot holes of the snap-in slot blocks in sequence, thereby realizing the preliminary connection between the threshing knife roller and the first base plate, and then they are fixed together by the second installation component.

[0017] (2) The corn threshing structure and corn harvester that are easy to install are designed with a second installation component. After the self-rotating screw is rotated, the first bevel gear and the second bevel gear are meshed to drive the connecting rod and the worm to rotate. The worm is meshed with the gear welded to the outer wall of the shaft installed on the shaft block, thereby driving the shaft to rotate. In addition to the gears welded to the outer wall of the shaft, a positioning rod is also welded. When the shaft rotates, the positioning rod moves accordingly and finally engages with the positioning groove blocks set at both ends of the first base plate to achieve a firm fixation of the threshing knife roller and the first base plate, and the operation is simple and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the first installation component of the utility model;

[0020] Figure 3 This is a schematic diagram of the disassembly of the metal grille of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the second installation component of the utility model.

[0022] In the figure: a first base plate 1, a first mounting assembly 2, a threshing knife roller 21, an L-shaped plug block 22, a clamping groove block 23, a second mounting assembly 3, a second base plate 31, a self-rotating screw 32, a first bevel gear 33, a connecting rod 34, a second bevel gear 35, a positioning bar 36, a worm 37, a shaft block 38, a gear 39, a positioning rod 310, a positioning groove block 311, a drive motor 4, a metal grille 5, and a feed frame 6. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 The utility model provides a technical solution: a corn threshing structure that is easy to install, including a first base plate 1, a mounting mechanism is arranged on one side of the first base plate 1, and the mounting mechanism includes:

[0025] The first mounting assembly 2 is arranged on one side of the first base plate 1, and comprises a threshing knife roller 21 which is detachably mounted on the inner side of the first base plate 1, and a plurality of groups of L-shaped plug blocks 22 are arranged in a circumferential array on one side edge of the threshing knife roller 21, and a clamping groove block 23 is arranged in a circumferential array on the inner side surface of the first base plate 1, and the threshing knife roller 21 is rotated so that the L-shaped plug blocks 22 are sequentially inserted into the slot holes on the clamping groove block 23;

[0026] The second mounting assembly 3 is disposed on one side of the first mounting assembly 2 and is used to cooperate with the first mounting assembly 2 to fix the threshing blade roller 21 on the first base plate 1 .

[0027] In the present embodiment, the second mounting assembly 3 includes a second base plate 31 fixedly connected to the threshing knife roller 21, a self-rotating screw 32 is rotatably mounted on the second base plate 31, and a first bevel gear 33 is welded on the self-rotating screw 32, two groups of positioning bars 36 are fixed to the front end of the second base plate 31, and connecting rods 34 are rotatably arranged on the two groups of positioning bars 36, a second bevel gear 35 meshing with the first bevel gear 33 is fixed to one end of the connecting rod 34, and a worm 37 is fixed to the other end of the connecting rod 34, shaft blocks 38 are fixed on both sides of the second base plate 31, a shaft rod is rotatably mounted on the shaft block 38, and a gear 39 and a positioning rod 310 are welded to the outer wall of the shaft rod, and meshing transmission is performed between the gear 39 and the worm 37, and positioning groove blocks 311 for the positioning rod 310 to cooperate and engage are provided at both ends of the first base plate 1;

[0028] After the self-rotating screw 32 is rotated, the first bevel gear 33 and the second bevel gear 35 are meshed to drive the connecting rod 34 and the worm 37 to rotate. The worm 37 is meshed with the gear 39 welded to the outer wall of the shaft mounted on the shaft block 38, thereby driving the shaft to rotate. In addition to the gear 39 welded to the outer wall of the shaft, a positioning rod 310 is also welded. When the shaft rotates, the positioning rod 310 moves accordingly, and finally engages with the positioning groove blocks 311 set at both ends of the first base plate 1.

[0029] In this embodiment, a metal grid 5 is welded to the inner side of the first base plate 1 , and the metal grid 5 can cooperate with the threshing knife roller 21 to thresh corn.

[0030] A corn harvester with a corn threshing structure that is easy to install includes a feed frame 6, and a drive motor 4 is installed on one side of the feed frame 6, and the drive motor 4 drives the assembled first installation component 2 and the second installation component 3 to rotate.

[0031] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0032] When working, the staff starts the equipment, and the drive motor 4 is powered on. When the drive motor 4 is working, the threshing knife roller 21 rotates under the drive of the first base plate 1 to thresh the corn entering. At the same time, when installing the corn threshing structure of the equipment, the threshing knife roller 21 is rotated to make the L-shaped plug block 22 fit in the slot of the clamping slot block 23 in sequence, so that the threshing knife roller 21 can be initially connected with the first base plate 1. After rotating the self-rotating screw 32, the first bevel gear 33 and the second bevel gear 35 are engaged to drive the connecting rod 34 and the worm 37 to rotate. The worm 37 is meshed with the gear 39 welded to the outer wall of the shaft installed on the shaft block 38, thereby driving the shaft to rotate. In addition to the gear 39 welded to the outer wall of the shaft, a positioning rod 310 is also welded. When the shaft rotates, the positioning rod 310 moves accordingly, and finally engages with the positioning groove blocks 311 provided at both ends of the first base plate 1 to achieve a firm fixation of the threshing knife roller 21 to the first base plate 1. In summary, the easy-to-install corn threshing structure of the present invention realizes the convenient installation and disassembly of the threshing knife roller 21 through the coordinated use of the first installation component 2 and the second installation component 3, while ensuring the firm connection between the threshing knife roller 21 and the first base plate 1, thereby improving the threshing efficiency.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A corn threshing structure that is easy to install, comprising a first base plate (1), characterized in that: A mounting mechanism is provided on one side of the first base plate (1), and the mounting mechanism comprises: A first mounting assembly (2) is arranged on one side of the first base plate (1), and comprises a threshing blade roller (21) detachably mounted on the inner side surface of the first base plate (1), a plurality of groups of L-shaped plug blocks (22) are arranged in a circumferential array on one side edge of the threshing blade roller (21), and a clamping groove block (23) is arranged in a circumferential array on the inner side surface of the first base plate (1), and the threshing blade roller (21) is rotated so that the L-shaped plug blocks (22) are sequentially inserted into the slot holes on the clamping groove block (23); The second mounting assembly (3) is arranged on one side of the first mounting assembly (2) and is used to cooperate with the first mounting assembly (2) to fix the threshing knife roller (21) on the first base plate (1).

2. The corn threshing structure that is easy to install according to claim 1 is characterized in that: The second mounting assembly (3) comprises a second base plate (31) fixedly connected to the threshing blade roller (21), a self-rotating screw rod (32) being rotatably mounted on the second base plate (31), and a first bevel gear (33) being welded to the self-rotating screw rod (32), and two groups of positioning bars (36) being fixed to the front end of the second base plate (31), and connecting rods (34) being rotatably arranged on the two groups of positioning bars (36).

3. The corn threshing structure that is easy to install according to claim 2 is characterized in that: A second bevel gear (35) meshing with the first bevel gear (33) is fixed to one end of the connecting rod (34), and a worm gear (37) is fixed to the other end of the connecting rod (34).

4. The corn threshing structure that is easy to install according to claim 3 is characterized in that: Axle blocks (38) are fixed on both sides of the second base plate (31), a shaft is rotatably mounted on the shaft block (38), a gear (39) and a positioning rod (310) are welded to the outer wall of the shaft rod, and meshing transmission is performed between the gear (39) and the worm (37), and positioning groove blocks (311) for the positioning rod (310) to engage with are provided at both ends of the first base plate (1).

5. The corn threshing structure that is easy to install according to claim 1 is characterized in that: A metal grid (5) is welded on the inner side of the first base plate (1), and the metal grid (5) can cooperate with a threshing knife roller (21) to thresh corn.

6. A corn harvester, characterized in that: It comprises a corn threshing structure that is easy to install as described in any one of claims 1 to 5, and the corn harvester also comprises a feeding frame (6), and a driving motor (4) is installed on one side of the feeding frame (6), and the driving motor (4) drives the assembled first installation component (2) and the second installation component (3) to rotate.

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