Stem pulling roller set of corn harvester

Abstract

The utility model discloses a corn harvester stem pulling roller set, which relates to the technical field of stem pulling rollers and comprises a first stem pulling roller, a second stem pulling roller is rotatably mounted on one side of the first stem pulling roller, and stem pulling knives are fixedly mounted outside the first stem pulling roller and the second stem pulling roller. Through cooperation of the mounting sleeve, the butt-joint column, the clamping block, the spline, the screw hole, the clamping groove, the key groove, the through hole and the screw rod, the butt-joint column can be detached from the mounting sleeve through threaded connection between the screw rod and the screw hole, so that the guide-in cone can be separated from the stem pulling roller, the guide-in cone can be conveniently replaced or maintained, the practicability of the device is improved, and the service life of the device is prolonged. Under the cooperation of a driving box, a sliding sleeve, a gear I, a gear II and a fixed seat, the gear I can drive the gear II and the stem pulling roller II to synchronously rotate when the stem pulling roller I rotates by utilizing the meshing effect of the gear I and the gear II, so that the rotation synchronism of the two groups of stem pulling rollers can be ensured, and the use effect of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stem pulling rollers, in particular to a stem pulling roller group for a corn harvester. Background Art

[0002] The double-shaft crushing stalk-pulling roller is a key component of the corn harvesting table. It cooperates with the ear-picking plate to pull the stalks and pick the ears. At the same time, it uses a pair of relatively rotating and intermeshing rollers to squeeze, tear and shear the straw to complete the straw crushing.

[0003] The double-axis crushing stem-pulling roller is used in the stem-pulling roller-ear-picking plate combined cutting table. It uses a pair of relatively rotating and intermeshing rollers to squeeze, tear and shear the straw, crushing the straw into extremely small sizes of 10 to 25 mm, and completing the straw crushing while pulling the stems and picking the ears.

[0004] The existing technology has the following problems:

[0005] In actual use of existing stem pulling rollers, the existing stem pulling rollers and the guide cones are mostly integrated. After working for a long time, the guide cone is prone to wear, but it cannot be disassembled, replaced or maintained, resulting in reduced practicality of the device; at the same time, the synchronization of the rotation of the two sets of stem pulling rollers cannot be guaranteed, which will lead to an increase in the driving structure and reduce the use effect of the device. Utility Model Content

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A corn harvester stalk pulling roller group includes a stalk pulling roller 1, a stalk pulling roller 2 is rotatably mounted on one side of the stalk pulling roller 1, stalk pulling knives are fixedly mounted on the outside of the stalk pulling roller 1 and the stalk pulling roller 2, a disassembly mechanism is mounted on the front end of the stalk pulling roller 1 and the stalk pulling roller 2, a guide cone is mounted on the front end of the disassembly mechanism, and a driving mechanism is mounted on the rear end of the stalk pulling roller 1 and the stalk pulling roller 2.

[0008] Preferably: the disassembly and assembly mechanism comprises a mounting sleeve, the rear end of which is fixedly connected to the front end of the stem pulling roller one and the stem pulling roller two respectively, a docking column is movably inserted inside the mounting sleeve, and the outer surface of the docking column is equidistantly distributed with fixedly connected blocks, and the outer surface of the docking column is fixedly installed with equidistantly distributed splines, the outer side of the docking column is symmetrically provided with screw holes, the interior of the mounting platform is equidistantly provided with card slots and key slots, the outer side of the mounting sleeve is symmetrically provided with through holes, and screws are movably inserted inside the through holes.

[0009] Preferably, the clamping block is engaged with the clamping slot and is movably installed, and the screw rod is threadedly connected with the screw hole.

[0010] Preferably, the spline is engaged with the keyway and is movably connected.

[0011] Preferably: the driving mechanism includes a driving box, the front end of the driving box is movably connected to the rear ends of stem pulling roller 1 and stem pulling roller 2, sliding sleeves are symmetrically fixedly installed on both sides of the front end of the driving box, gear 1 and gear 2 are rotatably installed inside the driving box, and a fixed seat is symmetrically fixedly installed on the inner rear side of the driving box.

[0012] Preferably: the interior of the sliding sleeve is rotatably connected to the exterior of the rear ends of the stem pulling roller 1 and the stem pulling roller 2, and the gear 1 and the gear 2 are fixedly sleeved on the exterior of the rear ends of the stem pulling roller 1 and the stem pulling roller 2, respectively.

[0013] Preferably, the gear 1 is meshed with the gear 2, and the front end of the fixed seat is rotationally connected to the rear ends of the stem pulling roller 1 and the stem pulling roller 2.

[0014] Preferably: the rear ends of the stem pulling roller 1 and the stem pulling roller 2 extend through the sliding sleeve to the interior of the driving box, and the bottom end of the introduction cone is fixedly connected to the front end of the docking column.

[0015] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0016] The utility model provides a stalk pulling roller group for a corn harvester. Through a disassembly and assembly mechanism, through the cooperation of a mounting sleeve, a docking column, a clamping block, a spline, a screw hole, a clamping groove, a keyway, a through hole and a screw rod, the threaded connection between the screw rod and the screw hole is utilized, so that the docking column can be removed from the mounting sleeve, so that the introduction cone can be separated from the stalk pulling roller, the introduction cone can be replaced or maintained conveniently, and the practicability of the device is improved.

[0017] The utility model provides a corn harvester stalk pulling roller group. Through a driving mechanism, through the cooperation of a driving box, a sliding sleeve, gear one, gear two, and a fixed seat, by utilizing the meshing effect of gear one and gear two, when the stalk pulling roller one rotates, the gear one can drive the gear two and the stalk pulling roller two to rotate synchronously, thereby ensuring the synchronization of the rotation of the two groups of stalk pulling rollers, thereby improving the use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the corn harvester stem pulling roller group of the utility model;

[0019] Figure 2 It is a schematic structural diagram of a top view of a corn harvester stem pulling roller assembly of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the disassembly and assembly mechanism of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the details of the disassembly and assembly mechanism of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the driving mechanism of the utility model.

[0023] In the figure: 1. stem pulling roller one; 2. stem pulling roller two; 3. stem pulling knife; 4. disassembly and assembly mechanism; 5. guide cone; 6. driving mechanism; 41. mounting sleeve; 42. docking column; 43. clamping block; 44. spline; 45. screw hole; 46. clamping groove; 47. keyway; 48. through hole; 49. screw; 61. driving box; 62. sliding sleeve; 63. gear one; 64. gear two; 65. fixing seat. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below in conjunction with the embodiments:

[0025] like Figure 1-5 As shown, the utility model provides a corn harvester stalk pulling roller group, including a stalk pulling roller 1, a stalk pulling roller 2 is rotatably installed on one side of the stalk pulling roller 1, stalk pulling knives 3 are fixedly installed on the outside of the stalk pulling roller 1 and the stalk pulling roller 2, a disassembly mechanism 4 is installed at the front end of the stalk pulling roller 1 and the stalk pulling roller 2, an introduction cone 5 is installed at the front end of the disassembly mechanism 4, and a driving mechanism 6 is installed at the rear end of the stalk pulling roller 1 and the stalk pulling roller 2.

[0026] The rear ends of the stem pulling roller 1 and the stem pulling roller 2 extend through the sliding sleeve 62 to the interior of the driving box 61 , and the bottom end of the introduction cone 5 is fixedly connected to the front end of the docking column 42 .

[0027] The rear end of the stem pulling roller 1 is connected to an external motor, so as to facilitate the stem pulling roller 1 to rotate.

[0028] like Figure 3-4 As shown, the disassembly and assembly mechanism 4 includes a mounting sleeve 41, the rear ends of which are fixedly connected to the front ends of the stem pulling roller 1 and the stem pulling roller 2, respectively; a docking column 42 is movably inserted inside the mounting sleeve 41, and fixedly connected clamping blocks 43 are equidistantly distributed on the outer surface of the docking column 42; splines 44 are fixedly installed on the outer surface of the docking column 42 at equidistant intervals; screw holes 45 are symmetrically provided on the outer side of the docking column 42; clamping grooves 46 and key grooves 47 are equidistantly provided inside the mounting platform; through holes 48 are symmetrically provided on the outer side of the mounting sleeve 41; screw rods 49 are movably inserted inside the through holes 48.

[0029] The clamping block 43 is engaged with the clamping groove 46 and is movably installed, and the screw rod 49 is threadedly connected with the screw hole 45 .

[0030] The spline 44 is engaged with the keyway 47 and is movably connected.

[0031] By inserting the docking column 42 into the mounting sleeve 41, the block 43 and the spline 44 are respectively inserted into the slot 46 and the key slot 47, which facilitates the connection of the mounting column and makes its installation convenient. At the same time, the screw 49 is inserted into the screw hole 45 through the through hole 48 and tightened, so that the mounting column can be limited and fixed, thereby completing the installation of the guide cone 5.

[0032] like Figure 5 As shown, the driving mechanism 6 includes a driving box 61, the front end of the driving box 61 is movably connected to the rear ends of the stem pulling roller 1 and the stem pulling roller 2, sleeves 62 are symmetrically fixedly installed on both sides of the front end of the driving box 61, gear 1 63 and gear 2 64 are rotatably installed inside the driving box 61, and a fixing seat 65 is symmetrically fixedly installed on the inner rear side of the driving box 61.

[0033] The interior of the sliding sleeve 62 is rotatably connected to the rear ends of the stem pulling roller 1 1 and the rear ends of the stem pulling roller 2 2 , and the gear 1 63 and the gear 2 64 are fixedly sleeved on the rear ends of the stem pulling roller 1 1 and the rear ends of the stem pulling roller 2 2 , respectively.

[0034] Gear 1 63 and gear 2 64 are meshed with each other, and the front end of the fixed seat 65 is rotationally connected with the rear ends of the stem pulling roller 1 1 and the stem pulling roller 2 2 .

[0035] The rotation of gear 1 63 and gear 2 64 can ensure the synchronization of the rotation of the two sets of stem pulling rollers.

[0036] The working principle of the corn harvester stalk pulling roller group is described in detail below.

[0037] like Figure 1-5 As shown, when the corn harvester stalk pulling roller group is in use, when the external motor drives the stalk pulling roller 1 to rotate, the gear 1 63 will rotate at the same time, so that the gear 1 63 can drive the stalk pulling roller 2 2 to rotate synchronously through the meshing gear 2 64, and then the stalk pulling roller 1 and the stalk pulling roller 2 can drive the stalk pulling knife 3 and the guide cone 5 to rotate synchronously, so that the corn harvester can work conveniently. When the guide cone 5 needs to be disassembled, the screw 49 can be loosened and removed from the screw hole 45, so that the docking column 42 can be separated from the mounting sleeve 41, and then the guide cone 5 can be disassembled from the front end of the stalk pulling roller 1 and the stalk pulling roller 2, so that it is convenient to replace or maintain it, so that the use effect of the device is improved.

[0038] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A corn harvester stem pulling roller assembly, comprising a stem pulling roller 1 (1), a stem pulling roller 2 (2) being rotatably mounted on one side of the stem pulling roller 1 (1), characterized in that: A stem pulling knife (3) is fixedly installed on the outside of the stem pulling roller one (1) and the stem pulling roller two (2), a disassembly mechanism (4) is installed at the front end of the stem pulling roller one (1) and the stem pulling roller two (2), an introduction cone (5) is installed at the front end of the disassembly mechanism (4), and a driving mechanism (6) is installed at the rear end of the stem pulling roller one (1) and the stem pulling roller two (2).

2. A corn harvester stem pulling roller assembly according to claim 1, characterized in that: The disassembly and assembly mechanism (4) comprises a mounting sleeve (41), the rear ends of which are fixedly connected to the front ends of the stem pulling roller 1 (1) and the stem pulling roller 2 (2), respectively; a docking column (42) is movably inserted inside the mounting sleeve (41); fixedly connected clamping blocks (43) are evenly distributed on the outer surface of the docking column (42); evenly distributed splines (44) are fixedly installed on the outer surface of the docking column (42); screw holes (45) are symmetrically provided on the outer side of the docking column (42); clamping grooves (46) and key grooves (47) are evenly distributed inside the mounting sleeve; through holes (48) are symmetrically provided on the outer side of the mounting sleeve (41); screw rods (49) are movably inserted inside the through holes (48).

3. The corn harvester stem pulling roller assembly according to claim 2, characterized in that: The clamping block (43) is engaged with the clamping groove (46) and is movably installed, and the screw rod (49) is threadedly connected to the screw hole (45).

4. A corn harvester stem pulling roller assembly according to claim 3, characterized in that: The spline (44) is engaged with the keyway (47) and is movably connected.

5. The corn harvester stem pulling roller assembly according to claim 1, characterized in that: The driving mechanism (6) comprises a driving box (61), the front end of the driving box (61) being movably connected to the rear ends of the stem pulling roller 1 (1) and the stem pulling roller 2 (2), sleeves (62) being symmetrically fixedly mounted on both sides of the front end of the driving box (61), gear 1 (63) and gear 2 (64) being rotatably mounted inside the driving box (61), and a fixing seat (65) being symmetrically fixedly mounted on the rear side of the inside of the driving box (61).

6. The corn harvester stem pulling roller assembly according to claim 5, characterized in that: The interior of the sliding sleeve (62) is rotatably connected to the exterior of the rear ends of the stem pulling roller 1 (1) and the stem pulling roller 2 (2), and the gear 1 (63) and the gear 2 (64) are respectively fixedly sleeved on the exterior of the rear ends of the stem pulling roller 1 (1) and the stem pulling roller 2 (2).

7. The corn harvester stem pulling roller assembly according to claim 6, characterized in that: The gear 1 (63) and the gear 2 (64) are meshed with each other, and the front end of the fixed seat (65) is rotatably connected to the rear ends of the stem pulling roller 1 (1) and the stem pulling roller 2 (2).

8. The corn harvester stem pulling roller assembly according to claim 1, characterized in that: The rear ends of the stem pulling roller 1 (1) and the stem pulling roller 2 (2) extend through the sliding sleeve (62) to the interior of the driving box (61), and the bottom end of the introduction cone (5) is fixedly connected to the front end of the docking column (42).

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