Spiral tendon and stem pulling roller of corn harvester

Abstract

A spiral tendon and stem pulling roller of a corn harvester comprises a spike pulling roller body and a spike pulling roller mounting plate, a power mechanism mounting cylinder is arranged on one side of the spike pulling roller body, power mechanism positioning grooves are formed in the side face of the power mechanism mounting cylinder and evenly arranged around the power mechanism mounting cylinder, and spiral fins are arranged on the side surface of the spike pulling roller body. The radius of the spiral fins is larger than that of the power mechanism installation cylinder, the spiral fins are designed in a spiral shape, the multiple sets of spiral fins are evenly arranged around the ear pulling roller body, the sides, facing the power mechanism installation cylinder, of the spiral fins are provided with positioning straight plates, the tail ends of the positioning straight plates are connected with the power mechanism installation cylinder, and power mechanism receding grooves are formed in the side faces of the positioning straight plates. The tail end positioning roller is arranged on the other side of the ear pulling roller body, mutual interference is not prone to occurring in the ear removing process, the probability that corn ears fall off and are damaged in the ear removing process is reduced, and the ear removing effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of agricultural machinery, especially to a corn harvester spiral rib stalk pulling roller. BACKGROUND

[0002] The prior art (publication number: CN220402417U) proposes a harvester spiral rib stalk pulling roller, wherein the first sleeve of the connecting structure of the stalk pulling roller and the driving roller is detachably arranged on the driving roller, the second sleeve is arranged at one end of the stalk pulling roller, the first sleeve can be inserted into the second sleeve, the clamping mechanism is arranged between the first sleeve and the second sleeve, and the limiting mechanism is arranged at the other end of the stalk pulling roller. SUMMARY

[0003] The utility model discloses a corn harvesting process, and corn stalks are guided to between two groups of symmetrically installed stalk pulling devices by a guide drill, and when the corn stalks contact the spiral fins, the corn stalks are subjected to downward force and force towards the direction of the power mechanism mounting cylinder at the same time, so that the corn stalks accelerate forward towards the direction of the power mechanism mounting cylinder while descending along the guidance of the spiral fins, the corn in the two groups of stalk pulling devices is more dispersed in the process of earing, the corn is less likely to interfere with each other in the process of earing, the probability of kernel drop and bad kernel in the process of earing is reduced, and the harvester spiral rib stalk pulling roller has better earing effect.

[0004] The utility model discloses a corn harvesting process, and corn stalks are guided to between two groups of symmetrically installed stalk pulling devices by a guide drill, and when the corn stalks contact the spiral fins, the corn stalks are subjected to downward force and force towards the direction of the power mechanism mounting cylinder at the same time, so that the corn stalks accelerate forward towards the direction of the power mechanism mounting cylinder while descending along the guidance of the spiral fins, the corn in the two groups of stalk pulling devices is more dispersed in the process of earing, the corn is less likely to interfere with each other in the process of earing, the probability of kernel drop and bad kernel in the process of earing is reduced, and the harvester spiral rib stalk pulling roller has better earing effect.

[0005] A harvester spiral rib stalk pulling roller, comprising a earing roller main body and an earing roller mounting plate, the earing roller main body has a power mechanism mounting cylinder on one side, the power mechanism mounting cylinder has a power mechanism positioning groove on the side surface, the power mechanism positioning groove is evenly arranged around the power mechanism mounting cylinder, the earing roller main body has spiral fins on the side surface, the radius of the spiral fins is greater than that of the power mechanism mounting cylinder, the spiral fins are designed in a spiral shape, a plurality of groups of spiral fins are evenly arranged around the earing roller main body, the side of the spiral fins towards the power mechanism mounting cylinder has a positioning straight plate, the positioning straight plate is connected to the power mechanism mounting cylinder at the end, the side surface of the positioning straight plate has a power mechanism avoiding groove, and the other side of the earing roller main body has an end positioning roller, and the radius of the end positioning roller is equal to that of the power mechanism mounting cylinder.

[0006] The spiral fin is provided with a smooth converging surface on the side of the terminal positioning roller, the smooth converging surface is connected with the terminal positioning roller, the radius of the smooth converging surface gradually reduces from the spiral fin to the terminal positioning roller, the terminal positioning roller is provided with a mounting ring connecting column on the side away from the main body of the ear pulling roller, and the mounting ring connecting column is provided with a guide drill on the side away from the terminal positioning roller.

[0007] The ear pulling roller is provided with an ear pulling roller mounting plate on the side, the ear pulling roller mounting plate is provided with an ear pulling roller mounting ring on one side, and the ear pulling roller mounting plate is provided with an ear pulling roller mounting hole on the other side; the ear pulling roller mounting ring is matched with the mounting ring connecting slot; the mounting ring connecting slot connects the ear pulling roller mounting ring; and the mounting ring connecting slot rotates outside the ear pulling roller mounting ring.

[0008] Beneficial effects: 1. In the corn harvesting process, the corn stems are guided to the two groups of symmetrically installed stem pulling devices by the guide drill, and when the corn stems contact the spiral fin, the corn stems are subjected to downward force and force towards the direction of the power mechanism mounting cylinder, so that the corn stems are accelerated to advance towards the direction of the power mechanism mounting cylinder while descending under the guidance of the spiral fin, the corns entering the two groups of stem pulling devices are more dispersed in the process of ear pulling, the corns are less interfered with each other in the process of ear pulling, the probability of kernel drop and damaged kernels in the process of ear pulling is reduced, and the ear pulling effect is better.

[0009] 2. The smooth converging surface gradually reduces the radius from the spiral fin to the terminal positioning roller, so that the corn stems gradually converge into the two groups of stem pulling devices from the guide drill to the spiral fin, the corn stems are prevented from lodging in the converging process, and the loss rate of the harvester is reduced.

[0010] 3. The ear pulling roller main body is designed to be hollow, so that the use strength of the ear pulling roller main body is ensured, the weight of the ear pulling roller main body is reduced, the subsequent maintenance and replacement of the ear pulling roller main body are more convenient, the production cost of the ear pulling roller main body is reduced, and the overall production cost of the harvester is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 The utility model discloses a corn harvester spiral pull bar stem pulling roller structure schematic view.

[0012] Figure 2 The utility model discloses a corn harvester spiral pull bar stem pulling roller top view.

[0013] Figure 3 The utility model discloses a corn harvester spiral pull bar stem pulling roller top view.

[0014] Figure 4 The utility model discloses an ear pulling roller main body structure schematic view.

[0015] Figure 5 The drawing structure of the pulling ear roller mounting plate is shown in the utility model. DETAILED DESCRIPTION

[0016] The utility model will be further explained in detail below according to the drawings and examples:

[0017] Example 1:

[0018] A corn harvester spiral rib stem pulling roller, including pulling ear roller main body 1, pulling ear roller mounting plate 9, the pulling ear roller main body 1 one side has power mechanism installation cylinder 4, and the power mechanism installation cylinder 4 side has power mechanism positioning slot 5, and the power mechanism positioning slot 5 is evenly arranged around the power mechanism installation cylinder 4, and the pulling ear roller main body 1 side surface has spiral fin 2, and the pulling ear roller main body 1 inside is hollow design, guarantees the use intensity of pulling ear roller main body 1 itself, reduces the weight of pulling ear roller main body 1 itself simultaneously, makes the subsequent maintenance, replacement of pulling ear roller main body 1 more convenient, also reduces the production cost of pulling ear roller main body 1, and total to reduce the overall production cost of harvester, and the radius of spiral fin 2 is greater than the radius of power mechanism installation cylinder 4, and spiral fin 2 is spiral design, and multiple spiral fin 2 is evenly arranged around pulling ear roller main body 1, and the side of spiral fin 2 towards power mechanism installation cylinder 4 has positioning straight plate 3, and the tail end of positioning straight plate 3 is connected with power mechanism installation cylinder 4, and the side of positioning straight plate 3 has power mechanism avoiding slot 6, and the other side of pulling ear roller main body 1 has tail end positioning roller 8, and the radius of tail end positioning roller 8 is equal to the radius of power mechanism installation cylinder 4.

[0019] Example 2:

[0020] The spiral fin 2 has a smooth converging surface 7 on one side of the end positioning roller 8, the smooth converging surface 7 gradually reduces in radius from the spiral fin 2 to the end positioning roller 8, so that the corn stems gradually converge between the two groups of stem pulling devices in the process of being guided by the guide drill 12 to the spiral fin 2, the lodging of the corn stems in the converging process is avoided, the loss rate of the harvester is reduced, the smooth converging surface 7 is connected with the end positioning roller 8, the smooth converging surface 7 gradually reduces in radius from the spiral fin 2 to the end positioning roller 8, the side, away from the end positioning roller 8, of the end positioning roller 8 has a mounting ring connecting column 14, the side, away from the end positioning roller 8, of the mounting ring connecting column 14 has the guide drill 12, in the corn harvesting process, the corn stems are guided by the guide drill 12 to between the two groups of symmetrically mounted stem pulling devices, along with the continuous advancement of the device, when the corn stems contact the spiral fin 2, the corn stems are subjected to downward force and force towards the direction of the power mechanism mounting cylinder 4 at the same time, so that the corn stems accelerate forward to the direction of the power mechanism mounting cylinder 4 while descending under the guidance of the spiral fin 2, the corns entering between the two groups of stem pulling devices are more dispersed in the process of earing, the corns are less likely to interfere with each other in the earing process, the probability of kernel loss and bad kernels of the corn ears in the earing process is reduced, the earing effect is better, and the guide drill 12, the mounting ring connecting column 14 and the end positioning roller 8 jointly form the mounting ring connecting groove 13.

[0021] Embodiment 3

[0022] The end positioning roller 8 is provided with a ear pulling roller mounting plate 9, one side of the ear pulling roller mounting plate 9 is provided with an ear pulling roller mounting ring 10, the other side of the ear pulling roller mounting plate 9 is provided with an ear pulling roller mounting hole 11, the ear pulling roller mounting ring 10 is matched with the mounting ring connecting groove 13, the mounting ring connecting groove 13 connects the ear pulling roller mounting ring 10, and the mounting ring connecting groove 13 rotates outside the ear pulling roller mounting ring 10.

[0023] Embodiment 4

[0024] The ear pulling roller main body 1 and the ear pulling roller mounting plate 9 jointly form the stem pulling device, and the two groups of stem pulling devices are symmetrically arranged; the spiral fins 2 and the guide drills 12 in the two groups of symmetrically arranged stem pulling devices are oppositely threaded.

[0025] The preferred embodiments described above are only preferred embodiments of the utility model, and are not used to limit the utility model, and it should be pointed out that, for ordinary skilled persons in the technical field, on the premise of not deviating from the technical principles of the utility model, a plurality of improvements and modifications can be made, and the improvements and modifications should be regarded as the protection scope of the utility model.

Claims

1. A spiral puller roller for a corn harvester, characterized in that... The device includes a main body (1) of a tassel-pulling roller. One side of the main body (1) of the tassel-pulling roller has a power mechanism mounting cylinder (4). The side surface of the main body (1) of the tassel-pulling roller has a spiral fin (2). The spiral fin (2) is spirally designed. The side of the spiral fin (2) facing the power mechanism mounting cylinder (4) has a positioning straight plate (3). The end of the positioning straight plate (3) is connected to the power mechanism mounting cylinder (4). The other side of the main body (1) of the tassel-pulling roller has an end positioning roller (8). The end positioning roller (8) is connected to a guide drill (12).

2. The spiral puller roller for corn harvesters according to claim 1, characterized in that: The spiral fin (2) has a smooth converging surface (7) on the side facing the end positioning roller (8), and the end of the smooth converging surface (7) is connected to the end positioning roller (8).

3. The spiral puller roller for corn harvesters according to claim 1, characterized in that... The end positioning roller (8) has a mounting ring connecting post (14) on the side away from the main body of the pull roller (1). The mounting ring connecting post (14) has a guide drill (12) on the side away from the end positioning roller (8). The guide drill (12), the mounting ring connecting post (14), and the end positioning roller (8) together form the mounting ring connecting groove (13).

4. The spiral puller roller for corn harvesters according to claim 1, characterized in that: The power mechanism mounting cylinder (4) has a power mechanism positioning groove (5) on its side. The power mechanism positioning groove (5) is evenly arranged around the power mechanism mounting cylinder (4), and the spiral fins (2) are evenly arranged around the main body of the pull roller (1).

5. The spiral puller roller for corn harvesters according to claim 1, characterized in that... The positioning plate (3) has a power mechanism clearance groove (6) on its side.

6. The spiral puller roller for corn harvesters according to claim 1, characterized in that: The radius of the spiral fin (2) is greater than the radius of the power mechanism mounting cylinder (4).

7. The spiral puller roller for corn harvesters according to claim 1, characterized in that... The radius of the smooth converging surface (7) gradually decreases from the spiral fins (2) to the end positioning roller (8).

8. The spiral puller roller for corn harvesters according to claim 3, characterized in that: The end positioning roller (8) is provided with a tassel-pulling roller mounting plate (9) on its side. The tassel-pulling roller mounting plate (9) has a tassel-pulling roller mounting ring (10) on one side and a tassel-pulling roller mounting hole (11) on the other side. The tassel-pulling roller mounting ring (10) is adapted to the mounting ring connecting groove (13). The mounting ring connecting groove (13) connects to the tassel-pulling roller mounting ring (10). The mounting ring connecting groove (13) rotates outside the tassel-pulling roller mounting ring (10).

9. The spiral puller roller for corn harvesters according to claim 1, characterized in that... The main body (1) of the tassel-pulling roller and the mounting plate (9) together constitute the stem-pulling device. The two sets of stem-pulling devices are arranged symmetrically, and the spiral fins (2) and guide drills (12) in the two sets of stem-pulling devices are oriented in opposite directions.

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