Gear hobbing machine for gear production

Abstract

The utility model discloses a gear hobbing machine for producing gears, which comprises a bedplate, a support is arranged at the bottom end of the bedplate, a frame body is arranged at the top of the bedplate, a lubricating oil tank is arranged in the middle of one side of the top of the bedplate, a lubricating mechanism is arranged at the top of the lubricating oil tank, a gear hobbing mechanism is arranged on the inner side of the frame body, and the gear hobbing mechanism is arranged on the rack body. A fixing frame is arranged on one side of the bottom of the inner side of the frame body. The filtering circulating assembly is arranged at the bottom of the table plate, during use, lubricating oil is guided down through a reserved groove and collected through a collecting hopper, meanwhile, the lubricating oil is conveyed into a filtering box through a communicating pipe, the lubricating oil is filtered through a filtering net, and waste chips doped in the lubricating oil are filtered on one side of the interior of the filtering box; and the filtered lubricating oil liquid is circularly conveyed into the lubricating oil tank through the circulating pipe by the circulating pump to be reused, so that the utilization rate of the lubricating oil liquid during operation of the gear hobbing machine is improved, and the operation cost of the gear hobbing machine is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of hobbing machines, in particular to a hobbing machine for producing gears. Background Art

[0002] A gear is a toothed mechanical part that can mesh with each other, and its application in mechanical transmission and the entire mechanical field is extremely extensive. In the current industrial field, a hobbing machine is required for gear production and manufacturing. Using a hobbing machine can perform gear production operations in batches and has high production quality.

[0003] For example, a hobbing machine for gear production with firm fixation disclosed in the utility model with the authorization announcement number CN216502791U includes a hob, a base, a fixing component and a lifting bracket. Both ends of the hob are rotatably connected to the base, the bottom end of the fixing component is rotatably connected to the base, and the outer wall of the lifting bracket is slidably connected to the base; the fixing component includes an upper chuck, a top block is fixed at the bottom end of the upper chuck, the outer wall of the upper chuck is threadedly connected with a sleeve, a handle is fixed on the outer wall of the sleeve, and a lower chuck is rotatably connected to the top end of the base. In this hobbing machine for gear production with firm fixation, an inner fixing column that can move inward and outward is provided. The top block can expand the inner fixing column, and the inner fixing column fixes the blank from the inside. The sleeve can be rotated downward to cooperate with the lower chuck to clamp the blank, further fixing the blank and making the fixing effect better. When the two top blocks move away from each other, the inner fixing columns move closer together, which is convenient for removing the gear and improving the production efficiency. However, during the operation of the hobbing machine in the application of this technical solution, a lubricating oil liquid needs to be used to lubricate and cool the hob, which increases the operation cost of the hobbing machine. There is a technical problem that the lubricating oil liquid cannot be continuously and efficiently filtered to remove iron chips and then recycled to reduce the operation cost of the hobbing machine and improve its economic benefits. Summary of the Utility Model

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a hobbing machine for producing gears, which can solve the technical problem that when the hobbing machine operates, a lubricating oil liquid needs to be used to lubricate and cool the hob, thereby increasing the operation cost of the hobbing machine, and there is no continuous and efficient filtering of iron chips from the lubricating oil liquid and then recycling it to reduce the operation cost of the hobbing machine and improve its economic benefits.

[0005] To solve the above technical problems, the present utility model provides the following technical solutions: A hobbing machine for producing gears, comprising a table board, a bracket is provided at the bottom end of the table board, a frame body is provided at the top of the table board, a lubricating oil tank is provided at the middle position on one side of the top of the table board, a lubricating mechanism is provided at the top of the lubricating oil tank, a hobbing mechanism is provided inside the frame body, a fixing frame is provided at one side of the bottom inside the frame body, a rotating motor is provided at the top end of the fixing frame, lifting electric cylinders are provided at both ends inside the fixing frame, fixing seats are provided at both ends between the lifting electric cylinders, the top of the lifting electric cylinder is connected to the output end of the rotating motor, a reserved groove is provided between the top inside the frame body and the table board, a collecting hopper is provided at the middle position of the bottom end of the table board, a filtering box is provided at the middle position on one side of the bottom of the table board, a sealing cover is provided at the front end of the filtering box, a filter screen is provided at the middle position between the inner side walls of the filtering box, a connecting pipe is provided at the bottom end of the collecting hopper, a circulating pump is provided at the bottom on one side of the filtering box, the output end of the circulating pump is provided with a circulating pipe, and an isolation protection assembly is provided between the outside of the frame body and the top of the table board.

[0006] As a preferred technical solution of the present utility model, one end of the connecting pipe penetrates through and is connected to the bottom on the other side of the filtering box, the input end of the circulating pump is connected to the inside of the filtering box, and the top end of the circulating pipe penetrates through and is connected to the inside of the lubricating oil tank on one side of the top.

[0007] As a preferred technical solution of the present utility model, the lubricating mechanism includes a delivery pump, the delivery pump is provided at the top of the lubricating oil tank, the output end of the delivery pump is provided with a lubricating spray pipe, and one end of the lubricating spray pipe penetrates through the inside of the frame body and extends above the hobbing position.

[0008] As a preferred technical solution of the present utility model, the hobbing mechanism includes a pushing electric cylinder, the pushing electric cylinder is provided inside the frame body, a groove body is provided on one side of the pushing electric cylinder, a hob is provided between both ends inside the groove body, a driving motor is provided at the front end of the groove body, and the front end of the hob is connected to the output end of the driving motor.

[0009] As a preferred technical solution of the present utility model, the isolation protection assembly includes an isolation cover, the isolation cover is provided outside the frame body, slide rails are provided at both ends of the top of the table board, moving sliders are provided at the bottom on one side of both ends of the isolation cover, and a transparent observation window is provided at the front end inside the isolation cover.

[0010] As a preferred technical solution of the present utility model, the slide rails are symmetrically arranged on the top of the table board, the moving sliders are clamped into the inside of the slide rails, and the moving sliders can slide horizontally inside the slide rails.

[0011] Compared with the prior art, the beneficial effects that the utility model can achieve are as follows:

[0012] 1. By arranging a filtering and circulating component at the bottom of the platen, during use, the lubricating oil liquid is guided down through the reserved groove and collected by the collecting hopper. At the same time, the lubricating oil liquid is conveyed into the filtering box through the connecting pipe, and the lubricating oil liquid is filtered by the filter screen. The waste chips doped therein are filtered on one side inside the filtering box, and the filtered lubricating oil liquid is circulated and conveyed into the lubricating oil tank through the circulating pipe by the circulating pump for reuse, thereby improving the utilization rate of the lubricating oil liquid during the operation of the hobbing machine and reducing the operation cost of the hobbing machine;

[0013] 2. By arranging an isolation and protection component between the outside of the frame body and the top of the platen, during use, the hobbing processing area is isolated from the external environment by the isolation cover, avoiding the splashing of metal chips and lubricating oil liquid during the operation of the hobbing machine from polluting the equipment operation environment, and ensuring the safety of the operating workers at the same time. And by driving the moving slide to slide horizontally in the slide rail, the isolation cover can be opened and closed horizontally to facilitate the operating worker to pick up and place the workpiece, thereby effectively improving the safety performance of the hobbing machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a three-dimensional structure schematic diagram of the utility model;

[0015] Figure 2 is an upward three-dimensional structure schematic diagram of the utility model;

[0016] Figure 3 is a front view partial sectional structure schematic diagram of the filtering box of the utility model;

[0017] Figure 4 is a side view structure schematic diagram of the utility model.

[0018] Wherein: 1. Platen; 2. Lubricating oil tank; 3. Bracket; 4. Circulating pump; 5. Filtering box; 6. Slide rail; 7. Frame body; 8. Reserved groove; 9. Isolation cover; 10. Fixed frame; 11. Fixed seat; 12. Hob; 13. Lubricating spray pipe; 14. Delivery pump; 15. Rotating motor; 16. Circulating pipe; 17. Sealing cover; 18. Connecting pipe; 19. Collecting hopper; 20. Lifting electric cylinder; 21. Driving motor; 22. Tank body; 23. Pushing electric cylinder; 24. Filter screen; 25. Moving slide. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] In order to make the technical means, creative features, achieved purposes and functions realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments. However, the following embodiments are only the preferred embodiments of the present utility model and not all of them. Based on the embodiments in the implementation manner, other embodiments obtained by those skilled in the art without creative work all fall within the protection scope of the present utility model. The experimental methods in the following embodiments are all conventional methods unless otherwise specified. The materials, reagents, etc. used in the following embodiments can all be obtained from commercial channels unless otherwise specified.

[0020] Embodiment

[0021] Please refer to Figures 1-4 As shown, the present utility model provides a hobbing machine for producing gears, which includes a table board 1. A bracket 3 is provided at the bottom end of the table board 1, and a frame body 7 is provided at the top of the table board 1. A lubricating oil tank 2 is provided at the middle position on one side of the top of the table board 1. A delivery pump 14 is provided at the top of the lubricating oil tank 2. The output end of the delivery pump 14 is provided with a lubricating spray pipe 13. One end of the lubricating spray pipe 13 penetrates through the inner side of the frame body 7 and extends above the hobbing position. A fixed frame 10 is provided at one side of the inner bottom of the frame body 7. A rotating motor 15 is provided at the top end of the fixed frame 10. Lifting electric cylinders 20 are provided at both ends inside the fixed frame 10. Fixed seats 11 are provided at both ends between the lifting electric cylinders 20. The top of the lifting electric cylinders 20 is connected to the output end of the rotating motor 15. When processing gears, the workpiece is placed between the fixed seats 11 and the lifting electric cylinders 20 are pushed to move towards each other to clamp and fix the workpiece, and workpieces with different thicknesses can be applied. A pushing electric cylinder 23 is provided inside the frame body 7. A groove body 22 is provided at one side of the pushing electric cylinder 23. A hob 12 is provided between both ends inside the groove body 22. A driving motor 21 is provided at the front end of the groove body 22. The front end of the hob 12 is connected to the output end of the driving motor 21. After the workpiece is fixed, the driving motor 21 is started to drive the hob 12 to rotate at a high speed. At the same time, the hob 12 is pushed by the pushing electric cylinder 23 to perform hobbing processing on the side of the workpiece. At the same time, the lubricating oil is pumped out from the lubricating oil tank 2 by the delivery pump 14 and sprayed through the lubricating spray pipe 13 to lubricate and cool the hobbing processing position;

[0022] As a further implementation manner of this embodiment, as Figures 1-4As shown in the figure, a reserved groove 8 is provided between the top inside the frame body 7 and the platen 1. A collecting hopper 19 is provided at the middle position of the bottom end of the platen 1. A filter box 5 is provided at the middle position of one side of the bottom of the platen 1. A sealing cover 17 is provided at the front end of the filter box 5. A filter screen 24 is provided at the middle position between the inner side walls of the filter box 5. The bottom end of the collecting hopper 19 is provided with a connecting pipe 18. One end of the connecting pipe 18 penetrates through the bottom of the other side of the filter box 5 and is connected to it. The lubricating oil liquid is guided down through the reserved groove 8 and collected by the collecting hopper 19. At the same time, the lubricating oil liquid is transported into the filter box 5 through the connecting pipe 18, and the lubricating oil liquid is filtered through the filter screen 24. The waste chips mixed in it are filtered on one side inside the filter box 5. A circulating pump 4 is provided at the bottom of one side of the filter box 5. The output end of the circulating pump 4 is provided with a circulating pipe 16. The input end of the circulating pump 4 is connected to the inside of the filter box 5. The top end of the circulating pipe 16 penetrates through the top of one side of the lubricating oil tank 2 and is connected to its inside. The filtered lubricating oil liquid is circulated and transported into the lubricating oil tank 2 through the circulating pipe 16 by using the circulating pump 4 for repeated use, so as to improve the utilization rate of the lubricating oil liquid during the operation of the hobbing machine and reduce the operation cost of the hobbing machine;

[0023] During use, the lubricating oil liquid is guided down through the reserved groove 8 and collected by the collecting hopper 19. At the same time, the lubricating oil liquid is transported into the filter box 5 through the connecting pipe 18. The lubricating oil liquid is filtered through the filter screen 24. The waste chips mixed in it are filtered on one side inside the filter box 5, and the filtered lubricating oil liquid is circulated and transported into the lubricating oil tank 2 through the circulating pipe 16 by the circulating pump 4 for repeated use;

[0024] As a further implementation manner of this embodiment, as Figures 1-4 shown, an isolation and protection component is provided between the outside of the frame body 7 and the top of the platen 1. The isolation and protection component includes an isolation cover 9. The isolation cover 9 is arranged outside the frame body 7. Slide rails 6 are provided at both ends of the top of the platen 1, and the slide rails 6 are symmetrically arranged on the top of the platen 1. Moving sliders 25 are provided at the bottom of one side of both ends of the isolation cover 9. A transparent observation window is provided at the front end inside the isolation cover 9. The hobbing processing area is isolated from the external environment through the isolation cover 9 to avoid metal chips and lubricating oil liquid splashing and polluting the equipment operation environment during the operation of the hobbing machine. At the same time, the transparent observation window is used to facilitate the operator to observe the hobbing processing process. The moving sliders 25 are clamped into the inside of the slide rails 6, and the moving sliders 25 can slide horizontally inside the slide rails 6. By driving the moving sliders 25 to slide horizontally in the slide rails 6, the isolation cover 9 can be horizontally moved to open and close to facilitate the operator to pick up and place workpieces, thus effectively improving the safety performance of the hobbing machine;

[0025] During use, the hobbing machining area is isolated from the external environment through the isolation cover 9 to prevent metal chips and lubricating oil from splashing when the hobbing machine is running. By driving the moving slide 25 to slide horizontally within the slide rail 6, the isolation cover 9 can be opened and closed horizontally to facilitate the operator to pick up and place the workpiece.

[0026] Specific working principle:

[0027] When using the hobbing machine, first place the workpiece between the fixed seats 11 and push the lifting electric cylinders 20 to move towards each other to clamp and fix the workpiece. Then drive the moving slide 25 to slide horizontally to the right within the slide rail 6 to horizontally move and close the isolation cover 9. After closing the isolation cover 9, start the driving motor 21 to drive the hob 12 to rotate at high speed. At the same time, push the hob 12 through the pushing electric cylinder 23 to perform hobbing machining on the side of the workpiece. At the same time, rotate and adjust the angle of the workpiece through the rotating motor 15. At the same time, pump the lubricating oil out of the lubricating oil tank 2 through the delivery pump 14 and spray it through the lubricating nozzle 13 to lubricate and cool the hobbing machining position. The hobbing machining area is isolated from the external environment through the isolation cover 9 to prevent metal chips and lubricating oil from splashing when the hobbing machine is running. At the same time, guide the lubricating oil down through the reserved groove 8 and collect it through the collecting hopper 19. At the same time, transport the lubricating oil to the filter tank 5 through the connecting pipe 18, filter the lubricating oil through the filter screen 24, filter the doped waste chips on one side inside the filter tank 5, and circulate and transport the filtered lubricating oil back to the lubricating oil tank 2 through the circulating pump 4 through the circulating pipe 16 for reuse, so as to perform safe and stable gear hobbing processing operations.

[0028] The above shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions in the specification are only preferred examples of the present invention and do not limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A hobbing machine for producing gears, comprising a table board (1), characterized in that: A bracket (3) is provided at the bottom end of the platen (1), a frame body (7) is provided at the top of the platen (1), a lubricating oil tank (2) is provided at the middle position on one side of the top of the platen (1), a lubricating mechanism is provided at the top of the lubricating oil tank (2), a gear hobbing mechanism is provided inside the frame body (7), a fixing frame (10) is provided at one side of the inner bottom of the frame body (7), a rotating motor (15) is provided at the top end of the fixing frame (10), lifting electric cylinders (20) are provided at both ends inside the fixing frame (10), fixing seats (11) are provided at both ends between the lifting electric cylinders (20), the top of the lifting electric cylinders (20) is connected to the output end of the rotating motor (15), a reserved groove (8) is provided between the inner top of the frame body (7) and the platen (1), a collecting hopper (19) is provided at the middle position of the bottom end of the platen (1), a filter box (5) is provided at the middle position on one side of the bottom of the platen (1), a sealing cover (17) is provided at the front end of the filter box (5), a filter screen (24) is provided at the middle position between the inner side walls of the filter box (5), a communicating pipe (18) is provided at the bottom end of the collecting hopper (19), a circulating pump (4) is provided at the bottom of one side of the filter box (5), the output end of the circulating pump (4) is provided with a circulating pipe (16), and an isolation protection assembly is provided between the outer side of the frame body (7) and the top of the platen (1).

2. A hobbing machine for producing gears according to claim 1, characterized in that: One end of the communicating pipe (18) penetrates through and is connected to the bottom of the other side of the filter box (5), the input end of the circulating pump (4) is connected to the inside of the filter box (5), and the top end of the circulating pipe (16) penetrates through and is connected to the inside of the top of one side of the lubricating oil tank (2).

3. A hobbing machine for producing gears according to claim 1, characterized in that: The lubricating mechanism includes a delivery pump (14), the delivery pump (14) is provided at the top of the lubricating oil tank (2), the output end of the delivery pump (14) is provided with a lubricating spray pipe (13), and one end of the lubricating spray pipe (13) penetrates through the inside of the frame body (7) and extends above the gear hobbing position.

4. A hobbing machine for producing gears according to claim 1, characterized in that: The gear hobbing mechanism includes a pushing electric cylinder (23), the pushing electric cylinder (23) is provided inside the frame body (7), a groove body (22) is provided on one side of the pushing electric cylinder (23), a hob (12) is provided between both ends inside the groove body (22), a driving motor (21) is provided at the front end of the groove body (22), and the front end of the hob (12) is connected to the output end of the driving motor (21).

5. A hobbing machine for producing gears according to claim 1, characterized in that: The isolation protection assembly includes an isolation cover (9), the isolation cover (9) is provided on the outer side of the frame body (7), slide rails (6) are provided at both ends of the top of the platen (1), moving sliding seats (25) are provided at the bottom of one side of both ends of the isolation cover (9), and a transparent observation window is provided at the front end inside the isolation cover (9).

6. A hobbing machine for producing gears according to claim 5, characterized in that: The slide rails (6) are symmetrically arranged on the top of the platen (1), the moving sliding seats (25) are clamped into the inside of the slide rails (6), and the moving sliding seats (25) can slide horizontally inside the slide rails (6).

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