Improved gear key groove milling device
By introducing lateral adjustment and cooling components into the gear milling unit, the problems of splashing and tool overheating are solved, enabling precise cutting and coolant reuse, thus improving safety and equipment lifespan.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU BOSHENG MASCH IND CO LTD
- Filing Date
- 2025-05-28
- Publication Date
- 2026-04-21
AI Technical Summary
Existing gear milling equipment lacks anti-splash and cooling structures, which means that flying metal chips may burn operators, and the milling cutter is prone to damage due to overheating.
An improved gear keyway milling device was designed, equipped with a lateral adjustment component and a cooling component. The lateral adjustment component achieves precise position adjustment of the milling cutter by driving the lead screw and guide slide rod with a servo motor. The cooling component sprays coolant through a nozzle and uses a semiconductor cooling plate for recycling.
It achieves precise cutting and timely cooling of the milling cutter during the milling process, preventing tool overheating and damage. At the same time, the coolant is recovered for reuse, improving safety and equipment lifespan.
Smart Images

Figure CN224143586U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of gear processing technology, and more specifically, to an improved gear keyway milling device. Background Technology
[0002] A gear is a mechanical part with teeth on its rim that continuously meshes to transmit motion. The teeth on a gear are typically machined using a milling machine. According to Chinese Patent CN202323620341.2, a gear milling device with protective functions is disclosed. This application includes a mounting base with two mounting slots, a gate opening and closing mechanism within each slot, a pair of fixed posts on the mounting base, a mounting plate between the two posts, a chip collection device at the bottom of the mounting plate, a milling machine movably mounted on the fixed posts, a lateral moving device movably mounted within the milling machine, a rotating fixed table in front of the milling machine, and a pair of symmetrically movably mounted anti-splash covers on the mounting base. This solves the problems of existing gear milling devices lacking anti-splash functionality, where flying chips during milling can easily burn workers or cause fires, and the difficulty of cleaning up the chips. Existing gear milling devices lack a cold-cutting structure; when the milling cutter mills the gear, the cutter heats up, accelerating blade damage.
[0003] There are currently no effective solutions to the problems in the relevant technologies. Utility Model Content
[0004] In view of the problems in the related technologies, this utility model proposes an improved gear keyway milling device to overcome the above-mentioned technical problems existing in the existing related technologies.
[0005] Therefore, the specific technical solution adopted by this utility model is as follows:
[0006] An improved gear keyway milling device includes a machine base with several evenly distributed support columns at the bottom. A protective cover is provided at the top of the machine base, with a sealing door on one side. A rotating seat is located at the top of the machine base and within the protective cover, with a three-jaw chuck at its top. A U-shaped fixing frame is located at the top of the machine base and on one side of the rotating seat, with a mounting plate inside the U-shaped fixing frame. The mounting plate is connected to the U-shaped fixing frame via a lateral adjustment assembly. A cylinder is located on one side of the mounting plate, with its movable end passing through the mounting plate and connecting to a U-shaped connecting frame. A rotating shaft is located within the U-shaped connecting frame, with a milling cutter fitted on its outer wall. One side of the rotating shaft extends outside the U-shaped connecting frame and connects to the drive end of a drive motor. A cooling assembly matching the milling cutter is located at the top of the U-shaped connecting frame.
[0007] Preferably, an observation port is provided on one side of the sealing door, and a matching protective glass is provided in the observation port.
[0008] Preferably, the lateral adjustment assembly includes a lead screw that passes through the mounting plate in the U-shaped fixing frame, and a guide slide rod that passes through the mounting plate in the U-shaped fixing frame.
[0009] Preferably, the lead screw is connected to the U-shaped fixing frame via a bearing, one side of the lead screw extends outside the U-shaped fixing frame and is connected to the drive end of the servo motor, the mounting plate has a threaded hole matching the lead screw, and the mounting plate has a sliding hole matching the guide slide rod.
[0010] Preferably, the cooling assembly includes a nozzle at the top of the U-shaped connecting frame, the nozzle being connected to the U-shaped connecting frame via an L-shaped connecting frame, a coolant storage tank at the bottom of the machine base being connected to the machine base via a connecting plate, a delivery pump at the top of the machine base and located within the protective cover, a connecting hose at the inlet of the delivery pump, the bottom end of the connecting hose passing through the machine base and extending into the coolant storage tank, a connecting hose at the outlet of the delivery pump communicating with the nozzle, and a waste liquid collection tank at the top of the machine base and located on the side of the U-shaped fixed frame near the rotating seat, the waste liquid collection tank being connected to the coolant storage tank via a return pipe.
[0011] Preferably, the bottom of the coolant storage tank is provided with a semiconductor refrigeration plate, and the heating end of the semiconductor refrigeration plate is provided with a plurality of evenly distributed heat sinks.
[0012] Preferably, the waste liquid collection tank is equipped with a matching filter screen, and the top of the filter screen is equipped with a symmetrically arranged L-shaped connecting frame II, which is connected to the machine base by bolts.
[0013] The beneficial effects of this utility model are as follows: by setting the lateral adjustment component, the lateral position of the milling cutter can be adjusted, making the cutting more precise; by setting the cooling component, the milling cutter can be cooled in time to prevent the milling cutter from overheating and being damaged during the cutting process; at the same time, the waste liquid collection tank, filter screen and return pipe 25 in the cooling component can recycle and reuse the coolant. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0015] Figure 1 This is a schematic diagram of the overall structure of an improved gear keyway milling device according to an embodiment of the present utility model;
[0016] Figure 2 This is a schematic diagram of the machine tool in an improved gear keyway milling device according to an embodiment of the present utility model;
[0017] Figure 3 yes Figure 2 A magnified view of a portion of point A in the middle;
[0018] Figure 4 This is a schematic diagram of the machine tool from another angle in an improved gear keyway milling device according to an embodiment of the present utility model;
[0019] Figure 5 This is a schematic diagram of the waste liquid collection tank in an improved gear keyway milling device according to an embodiment of the present utility model.
[0020] In the picture:
[0021] 1. Machine base; 2. Support column; 3. Protective cover; 4. Sealing door; 5. Rotary seat; 6. Three-jaw chuck; 7. U-shaped fixing frame; 8. Mounting plate; 9. Cylinder; 10. U-shaped connecting frame; 11. Rotating shaft; 12. Milling cutter; 13. Drive motor; 14. Lead screw; 15. Guide slide bar; 16. Servo motor; 17. Nozzle; 18. L-shaped connecting frame one; 19. Coolant storage tank; 20. Connecting plate; 21. Transfer pump; 22. Connecting hose one; 23. Connecting hose two; 24. Waste liquid collection tank; 25. Return pipe; 26. Semiconductor cooling plate; 27. Filter screen; 28. L-shaped connecting frame two; 29. Bolt; 30. Observation port. Detailed Implementation
[0022] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.
[0023] According to an embodiment of the present invention, an improved gear keyway milling device is provided.
[0024] Example 1;
[0025] like Figure 1-5As shown, the improved gear keyway milling device according to an embodiment of the present invention includes a machine base 1. The bottom of the machine base 1 is provided with a plurality of evenly distributed support columns 2. The top of the machine base 1 is provided with a protective cover 3. A sealing door 4 is provided on one side of the protective cover 3. A rotating seat 5 is provided at the top of the machine base 1 and inside the protective cover 3. A three-jaw chuck 6 is provided at the top of the rotating seat 5. A U-shaped fixing frame 7 is provided at the top of the machine base 1 and on one side of the rotating seat 5. An mounting plate 8 is provided in the U-shaped fixing frame 7. The mounting plate 8 is connected to the U-shaped fixing frame 7 through a lateral adjustment component. A cylinder 9 is provided on one side of the mounting plate 8. The movable end of the cylinder 9 passes through the mounting plate 8 and is connected to a U-shaped connecting frame 10. A rotating shaft 11 is provided in the U-shaped connecting frame 10. A milling cutter 12 is sleeved on the outer wall of the rotating shaft 11. One side of the rotating shaft 11 extends to the outside of the U-shaped connecting frame 10 and is connected to the driving end of a drive motor 13. A cooling component matching the milling cutter 12 is provided at the top of the U-shaped connecting frame 10.
[0026] Example 2;
[0027] like Figure 1-5As shown, the machine includes a machine base 1, with several evenly distributed support columns 2 at the bottom of the machine base 1, a protective cover 3 at the top of the machine base 1, a sealing door 4 on one side of the protective cover 3, a rotating seat 5 at the top of the machine base 1 and located within the protective cover 3, a three-jaw chuck 6 at the top of the rotating seat 5, a U-shaped fixing frame 7 at the top of the machine base 1 and located on one side of the rotating seat 5, a mounting plate 8 in the U-shaped fixing frame 7, the mounting plate 8 being connected to the U-shaped fixing frame 7 via a lateral adjustment component, a cylinder 9 on one side of the mounting plate 8, the movable end of the cylinder 9 passing through the mounting plate 8 and connected to a U-shaped connecting frame 10, a rotating shaft 11 in the U-shaped connecting frame 10, a milling cutter 12 sleeved on the outer wall of the rotating shaft 11, one side of the rotating shaft 11 extending outside the U-shaped connecting frame 10 and connected to the driving end of a drive motor 13, and a cooling component matching the milling cutter 12 at the top of the U-shaped connecting frame 10. The sealing door 4 has an observation port 30 on one side, and a matching protective glass is provided in the observation port 30. The lateral adjustment assembly includes a lead screw 14 that passes through the mounting plate 8 in the U-shaped fixing frame 7, and a guide slide rod 15 that passes through the mounting plate 8 in the U-shaped fixing frame 7. The lead screw 14 is connected to the U-shaped fixing frame 7 through a bearing, and one side of the lead screw 14 extends outside the U-shaped fixing frame 7 and is connected to the drive end of the servo motor 16. The mounting plate 8 has a threaded hole that matches the lead screw 14, and a sliding hole that matches the guide slide rod 15. During processing, the gear to be processed is placed on the rotary seat 5 and fixed by the three-jaw chuck 6. Then, the servo motor 16 is started to drive the lead screw 14 to rotate. The lead screw 14 drives the mounting plate 8 to move laterally. The mounting plate 8 drives the milling cutter 12 to move laterally and adjust it to the optimal position. Then, the drive motor 13 is started to drive the milling cutter 12 to rotate through the rotating shaft 11. Then, the cylinder 9 is started to drive the U-shaped connecting frame 10 to move. The U-shaped connecting frame 10 drives the milling cutter 12 to approach the gear for processing. By setting the lateral adjustment component, the lateral position of the milling cutter can be adjusted to make the cutting more precise.
[0028] Example 3;
[0029] like Figure 1-5As shown, the machine includes a machine base 1, with several evenly distributed support columns 2 at the bottom of the machine base 1, a protective cover 3 at the top of the machine base 1, a sealing door 4 on one side of the protective cover 3, a rotating seat 5 at the top of the machine base 1 and located within the protective cover 3, a three-jaw chuck 6 at the top of the rotating seat 5, a U-shaped fixing frame 7 at the top of the machine base 1 and located on one side of the rotating seat 5, a mounting plate 8 in the U-shaped fixing frame 7, the mounting plate 8 being connected to the U-shaped fixing frame 7 via a lateral adjustment component, a cylinder 9 on one side of the mounting plate 8, the movable end of the cylinder 9 passing through the mounting plate 8 and connected to a U-shaped connecting frame 10, a rotating shaft 11 in the U-shaped connecting frame 10, a milling cutter 12 sleeved on the outer wall of the rotating shaft 11, one side of the rotating shaft 11 extending outside the U-shaped connecting frame 10 and connected to the driving end of a drive motor 13, and a cooling component matching the milling cutter 12 at the top of the U-shaped connecting frame 10. The cooling assembly includes a nozzle 17 at the top of the U-shaped connecting frame 10, which is connected to the U-shaped connecting frame 10 via an L-shaped connecting frame 18. A coolant storage tank 19 is located at the bottom of the machine base 1 and is connected to the machine base 1 via a connecting plate 20. A delivery pump 21 is located at the top of the machine base 1 within the protective cover 3. A connecting hose 22 is located at the inlet of the delivery pump 21, and its bottom end extends through the machine base 1 and into the coolant storage tank 19. A connecting hose 23, connected to the nozzle 17, is located at the outlet of the delivery pump 21. A waste liquid collection tank 24 is located at the top of the machine base 1 on the side of the U-shaped fixed frame 7 near the rotating seat 5, and is connected to the coolant storage tank 19 via a return pipe 25. A semiconductor cooling plate 26 is located at the bottom of the coolant storage tank 19, and the heating end of the semiconductor cooling plate 26 has several evenly distributed heat sinks. The waste liquid collection tank 24 is equipped with a matching filter screen 27. The top of the filter screen 27 is equipped with a symmetrically arranged L-shaped connecting frame 28. The L-shaped connecting frame 28 is connected to the machine base 1 by bolts 29. During the cutting process, the delivery pump 21 is started to deliver the coolant from the coolant storage tank 19 to the nozzle 17 through the connecting hose 1 22 and the connecting hose 23. The coolant is sprayed onto the milling cutter 12 through the nozzle 17, and then flows up from the nozzle 17 to the waste liquid collection tank 24. After being filtered by the filter screen 27, it flows back to the coolant storage tank 19 through the return pipe 25. The semiconductor cooling plate 26 located at the bottom of the coolant storage tank 19 will cool the coolant to prevent the temperature of the returned coolant from being too high, which would affect its use. When it is necessary to clean the filter screen 27, the bolt 29 can be loosened to remove the filter screen 27. By setting up a cooling component, the milling cutter can be cooled in time to prevent the milling cutter from overheating and being damaged during the cutting process. At the same time, the waste liquid collection tank, filter screen and return pipe 25 in the cooling component can recycle and reuse the coolant.
[0030] In practical applications, during machining, the gear to be machined is placed on the rotary seat 5 and fixed by the three-jaw chuck 6. Then, the servo motor 16 is started to drive the lead screw 14 to rotate. The lead screw 14 drives the mounting plate 8 to move laterally. The mounting plate 8 drives the milling cutter 12 to move laterally and adjust it to the optimal position. Then, the drive motor 13 is started to drive the milling cutter 12 to rotate through the rotating shaft 11. Then, the cylinder 9 is started to drive the U-shaped connecting frame 10 to move. The U-shaped connecting frame 10 drives the milling cutter 12 to approach the gear for machining. By setting the lateral adjustment component, the lateral position of the milling cutter can be adjusted to make the cutting more precise. During the cutting process, the delivery pump 21 is started to pump the coolant from the coolant storage tank 19 through the connecting hose 1 22 and the connecting hose 23. The coolant is delivered to the nozzle 17 and sprayed onto the milling cutter 12. The coolant then flows upward from the nozzle 17 into the waste liquid collection tank 24, where it is filtered by the filter screen 27. Afterward, it flows back into the coolant storage tank 19 through the return pipe 25. The semiconductor cooling plate 26 located at the bottom of the coolant storage tank 19 cools the coolant to prevent the temperature of the returned coolant from becoming too high, which would affect its use. When the filter screen 27 needs to be cleaned, the bolt 29 can be loosened to remove the filter screen 27. By setting up a cooling assembly, the milling cutter can be cooled in time to prevent it from overheating and being damaged during the cutting process. At the same time, the waste liquid collection tank, filter screen and return pipe 25 in the cooling assembly can recycle and reuse the coolant.
[0031] In summary, by means of the above-mentioned technical solution of this utility model, the lateral position of the milling cutter can be adjusted by setting the lateral adjustment component, so that the cutting is more precise. The milling cutter can be cooled in time by setting the cooling component, so as to prevent the milling cutter from overheating and being damaged during the cutting process. At the same time, the waste liquid collection tank, filter screen and return pipe 25 in the cooling component can recycle and reuse the coolant.
[0032] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An improved gear keyway milling device, characterized by, The system includes a machine base (1), with several evenly distributed support columns (2) at the bottom. A protective cover (3) is provided at the top of the machine base (1), and a sealing door (4) is provided on one side of the protective cover (3). A rotating seat (5) is provided at the top of the machine base (1) and within the protective cover (3). A three-jaw chuck (6) is provided at the top of the rotating seat (5). A U-shaped fixing frame (7) is provided at the top of the machine base (1) and on one side of the rotating seat (5). An mounting plate (8) is provided within the U-shaped fixing frame (7). The mounting plate (8) is adjusted laterally. The component is connected to the U-shaped fixing frame (7). A cylinder (9) is provided on one side of the mounting plate (8). The movable end of the cylinder (9) passes through the mounting plate (8) and is connected to the U-shaped connecting frame (10). A rotating shaft (11) is provided in the U-shaped connecting frame (10). A milling cutter (12) is sleeved on the outer wall of the rotating shaft (11). One side of the rotating shaft (11) extends to the outside of the U-shaped connecting frame (10) and is connected to the driving end of the drive motor (13). A cooling component matching the milling cutter (12) is provided at the top of the U-shaped connecting frame (10).
2. The improved gear keyway milling device according to claim 1, characterized in that, An observation port (30) is provided on one side of the sealing door (4), and a protective glass matching the observation port (30) is provided in the observation port (30).
3. The improved gear keyway milling device according to claim 1, characterized in that, The lateral adjustment assembly includes a lead screw (14) that passes through the mounting plate (8) in the U-shaped fixing frame (7), and a guide slide rod (15) that passes through the mounting plate (8) in the U-shaped fixing frame (7).
4. The improved gear keyway milling device according to claim 3, characterized in that, The lead screw (14) is connected to the U-shaped fixing frame (7) through a bearing. One side of the lead screw (14) extends to the outside of the U-shaped fixing frame (7) and is connected to the drive end of the servo motor (16). The mounting plate (8) has a threaded hole that matches the lead screw (14) and a sliding hole that matches the guide slide rod (15).
5. The improved gear keyway milling device according to claim 1, wherein, The cooling assembly includes a nozzle (17) at the top of the U-shaped connecting frame (10), the nozzle (17) being connected to the U-shaped connecting frame (10) via an L-shaped connecting frame (18), a coolant storage tank (19) at the bottom of the machine base (1), the coolant storage tank (19) being connected to the machine base (1) via a connecting plate (20), and a delivery pump (21) at the top of the machine base (1) and located within the protective cover (3), the delivery pump (21) having a connecting... The first hose (22) has its bottom end passing through the machine base (1) and extending into the coolant storage tank (19). The water outlet of the delivery pump (21) is provided with a second hose (23) that communicates with the nozzle (17). A waste liquid collection tank (24) is provided on the top of the machine base (1) and on the side of the U-shaped fixed frame (7) near the rotating seat (5). The waste liquid collection tank (24) is connected to the coolant storage tank (19) through a return pipe (25).
6. The improved gear keyway milling device according to claim 5, characterized in that, The bottom of the coolant storage tank (19) is provided with a semiconductor cooling plate (26), and the heating end of the semiconductor cooling plate (26) is provided with several evenly distributed heat sinks.
7. An improved gear keyway milling device according to claim 5, characterized in that, The waste liquid collection tank (24) is equipped with a matching filter screen (27). The top of the filter screen (27) is equipped with a symmetrically arranged L-shaped connecting frame (28). The L-shaped connecting frame (28) is connected to the machine base (1) by bolts (29).
Citation Information
Patent Citations
Gear milling device with protection function
CN221658152U