Gearbox for plastic film residue machine

By setting the output gears at both ends of the input gear in the gear box of the residual film machine and using an oil seal to divide the gear box into independent lubrication areas, the problem of unbalanced force of the input shaft is solved, and the service life and output power of the gear box are improved.

CN223004405UActive Publication Date: 2025-06-20CHANGZHOU HAN-SUN MASCH CO LTD
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Patent Information

Application Number
CN202421806287.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-29
Publication Date
2025-06-20
Estimated Expiration
2034-07-29

AI Technical Summary

Technical Problem

In the gear box of existing residual film machines, the input gear is generally subjected to a single-sided force, which leads to an imbalance in the input shaft and affects the service life of the gear box.

Method used

A gear box for residual film machine is designed. By setting output gears at both ends of the input gear, the input shaft is subjected to a balance, and the gear box is divided into independent lubrication areas through an oil seal to reduce the amount of lubricating oil usage.

Benefits of technology

The force balance of the input shaft is achieved, the service life of the gear box is improved, and the use of lubricating oil is reduced through multiple lubricating areas, thereby increasing the output power of the gear box.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of plastic film residue machines, in particular to a gear box for a plastic film residue machine, which comprises a machine shell, an input shaft is rotatably mounted on the machine shell, the end of the input shaft extends to the outer side of the machine shell, an input gear is mounted in the area, located in the machine shell, of the input shaft, and a first output shaft and a second output shaft are further rotatably mounted on the machine shell. The first output shaft and the second output shaft are both perpendicular to the input shaft, a first output gear meshed with the input gear is installed on the first output shaft, and a second output gear meshed with the input gear is installed on the second output shaft. The input shaft is stressed in a balanced mode, the service life of the gearbox is prolonged, the input shaft drives the first output shaft and the second output shaft to rotate at the same time, and the output power of the gearbox can be effectively improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of film residue machines, in particular to a gearbox for a film residue machine. Background Technique

[0002] Mulch film covering has the functions of increasing the surface temperature and humidity of the ground, inhibiting the growth of weeds, promoting the development of plant roots and improving the drought resistance of crops, greatly increasing the yield of crops and being of great significance to agricultural production. After the crops are harvested, it is necessary to rely on a film residue machine to clean the mulch film in the soil. The power output part of the film residue machine mainly includes a rod hitting machine and a hydraulic device. The existing rod hitting machine and hydraulic device are respectively driven by different input shafts through a gearbox. The input gears in the gearbox are generally stressed unilaterally, resulting in unbalanced stress on the input shaft and affecting the service life of the gearbox. Content of the Utility Model

[0003] The purpose of the utility model is to solve the defects existing in the prior art, and to provide a gearbox for a film residue machine.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A gearbox for a film residue machine includes a machine shell. An input shaft with an end extending outside the machine shell is rotatably installed on the machine shell. An input gear is installed on the input shaft in the area inside the machine shell. A first output shaft and a second output shaft are also rotatably installed on the machine shell. The first output shaft and the second output shaft are both perpendicular to the input shaft. A first output gear meshing with the input gear is installed on the first output shaft, and a second output gear meshing with the input gear is installed on the second output shaft.

[0006] Preferably, the diameters of the first output gear and the second output gear are both smaller than the diameter of the input gear.

[0007] Preferably, an input shaft bearing is arranged between the input shaft and the machine shell. Two corresponding first output shaft bearings are arranged between the first output shaft and the machine shell. Two corresponding second output shaft bearings are arranged between the second output shaft and the machine shell.

[0008] Preferably, oil seals are installed between the input shaft, the first output shaft, and the second output shaft and the machine shell respectively. The oil seals include a first oil seal, a second oil seal, and a third oil seal. The first oil seal is located outside the input shaft bearing. The second oil seal is located between the first output shaft bearings. The third oil seal is located between the second output shaft bearings.

[0009] Preferably, the first output shaft and the second output shaft are arranged facing each other.

[0010] Preferably, the input gear, the first output gear, and the second output gear are all bevel gears, and the diameter of the input gear is greater than the diameter of the first output gear or the second output gear.

[0011] Preferably, the lower end of the casing is provided with foot pads, and the upper end of the casing is provided with an oil injection hole.

[0012] The beneficial effects of the present utility model are as follows:

[0013] 1. For the gearbox proposed by the present utility model, output gears are arranged at both ends of the input gear, so that the input shaft is balanced in force, the service life of the gearbox is prolonged, and by driving the first output shaft and the second output shaft to rotate simultaneously through the input shaft, the output power of the gearbox can be effectively increased.

[0014] 2. In the present utility model, the first output shaft bearing, the second output shaft bearing and the main cavity of the casing are separated by oil seals, and the inside of the casing is divided into three independent lubrication areas, reducing the amount of lubricating oil used in the gearbox. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional structural schematic diagram of a gearbox for a film residue machine proposed by the present utility model;

[0016] Figure 2 is a front view structural schematic diagram of a gearbox for a film residue machine proposed by the present utility model;

[0017] Figure 3 is a sectional view structural schematic diagram of a gearbox for a film residue machine proposed by the present utility model.

[0018] In the figure: 1 input shaft, 2 input gear, 3 input shaft bearing, 4 first output gear, 5 first output shaft, 6 first output shaft bearing, 7 second output gear, 8 second output shaft, 9 second output shaft bearing, 10 casing, 11 first oil seal, 12 second oil seal, 13 third oil seal. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0020] Refer to Figures 1-3, A gearbox for a film residue machine, comprising a housing 10. An input shaft 1 with an end extending outside the housing 10 is rotatably installed on the housing 10. An input gear 2 is installed in the area of the input shaft 1 inside the housing 10. A first output shaft 5 and a second output shaft 8 are also rotatably installed on the housing 10. Both the first output shaft 5 and the second output shaft 8 are perpendicular to the input shaft 1. A first output gear 4 meshing with the input gear 2 is installed on the first output shaft 5, and a second output gear 7 meshing with the input gear 2 is installed on the second output shaft 8.

[0021] The diameters of both the first output gear 4 and the second output gear 7 are smaller than the diameter of the input gear 2.

[0022] An input shaft bearing 3 is provided between the input shaft 1 and the housing 10. Two corresponding first output shaft bearings 6 are provided between the first output shaft 5 and the housing 10. Two corresponding second output shaft bearings 9 are provided between the second output shaft 8 and the housing 10.

[0023] Sealing rings are installed between the input shaft 1, the first output shaft 5, and the second output shaft 8 and the housing 10 respectively. The sealing rings include a first sealing ring 11, a second sealing ring 12, and a third sealing ring 13. The first sealing ring 11 is located outside the input shaft bearing 3. The second sealing ring 12 is located between the first output shaft bearings 6. The third sealing ring 13 is located between the second output shaft bearings 9. By means of the sealing rings, the first output shaft bearings 6 and the second output shaft bearings 6 are separated from the main cavity of the housing 10, dividing the inside of the housing into three independent lubrication areas. One of the first output shaft bearings 6 is in one area, the other first output shaft bearing 6 is in another area, and the input gear, the first output gear, and the second output gear are in the third lubrication area.

[0024] The first output shaft 5 and the second output shaft 8 are arranged facing each other.

[0025] The input gear 2, the first output gear 4, and the second output gear 7 are all bevel gears, and the diameter of the input gear 2 is greater than the diameter of the first output gear 4 or the second output gear 7.

[0026] Foot pads are provided at the lower end of the housing 10, and an oil filling hole is provided at the upper end of the housing 10.

[0027] In the gearbox proposed by the present utility model, output gears are provided at both ends of the input gear 2, so that the force on the input shaft 1 is balanced, the service life of the gearbox is prolonged, and by driving the first output shaft 5 and the second output shaft 5 to rotate simultaneously through the input shaft 1, the output power of the gearbox can be effectively increased.

[0028] In the present utility model, by means of the sealing rings, the first output shaft bearings 6 and the second output shaft bearings 6 are separated from the main cavity of the housing 10, dividing the inside of the housing into three independent lubrication areas, reducing the amount of lubricating oil used in the gearbox.

[0029] As described above, it is only the preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. A gearbox for a residual film machine, comprising a housing (10), characterized in that: An input shaft (1) having an end portion extending to the outside of the housing (10) is rotatably mounted on the housing (10); an input gear (2) is mounted on the input shaft (1) in an area located inside the housing (10); a first output shaft (5) and a second output shaft (8) are also rotatably mounted on the housing (10); the first output shaft (5) and the second output shaft (8) are both perpendicular to the input shaft (1); a first output gear (4) meshing with the input gear (2) is mounted on the first output shaft (5); and a second output gear (7) meshing with the input gear (2) is mounted on the second output shaft (8).

2. A gearbox for a residual film machine according to claim 1, characterized in that: The diameters of the first output gear (4) and the second output gear (7) are both smaller than the diameter of the input gear (2).

3. The gear box for residual film machine according to claim 1, characterized in that: An input shaft bearing (3) is arranged between the input shaft (1) and the housing (10), two mutually corresponding first output shaft bearings (6) are arranged between the first output shaft (5) and the housing (10), and two mutually corresponding second output shaft bearings (9) are arranged between the second output shaft (8) and the housing (10).

4. The gear box for residual film machine according to claim 3, characterized in that: Oil seals are installed between the input shaft (1), the first output shaft (5), and the second output shaft (8) and the housing (10), respectively. The oil seals include a first oil seal (11), a second oil seal (12), and a third oil seal (13). The first oil seal (11) is located outside the input shaft bearing (3), the second oil seal (12) is located between the first output shaft bearings (6), and the third oil seal (13) is located between the second output shaft bearings (9).

5. The gear box for residual film machine according to claim 4, characterized in that: The first output shaft (5) and the second output shaft (8) are arranged facing each other.

6. The gear box for residual film machine according to claim 5, characterized in that: The input gear (2), the first output gear (4) and the second output gear (7) are all bevel gears, and the diameter of the input gear (2) is greater than the diameter of the first output gear (4) or the diameter of the second output gear (7).

7. A gearbox for a residual film machine according to any one of claims 1 to 6, characterized in that: A foot pad is provided at the lower end of the lower end of the casing (10), and an oil filling hole is provided at the upper end of the casing (10).