High-precision spline shaft grinding machine
By designing a moving, lifting, and rotating mechanism on the spline shaft grinding machine, the automatic switching between the first and second grinding wheels is achieved, solving the problem of frequent grinding wheel replacement in the prior art and improving the processing efficiency of spline shafts.
Patent Information
- Application Number
- CN202423304900.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing spline shaft grinding machines require repeated grinding wheel replacements when machining two sets of splines, resulting in low machining efficiency.
A high-precision spline shaft grinding machine was designed, which uses a switching between a first grinding wheel and a second grinding wheel. The automatic switching grinding of the two sets of splines is achieved through a moving, lifting and rotating mechanism, avoiding repeated replacement of grinding wheels.
It improves the machining efficiency of splined shafts, especially when machining shafts with two sets of splines. It allows for direct switching to the second grinding wheel for grinding, reducing grinding wheel change time and improving production efficiency.
Smart Images
Figure CN223734588U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to grinding machine technical field, especially a kind of high-precision spline shaft grinding machine. BACKGROUND
[0002] Grinding machine is a kind of grinding tool to grind workpiece, to obtain the shape, size and precision machining surface tool machine, grinding machine processing action is grinding, grinding work is also a part of precision machining, the role of grinding machine is to carry out high precision and rough surface quite small grinding, can carry out high-efficiency grinding;At present, for processing high-precision spline shaft grinding machine, grinding wheel on grinding machine can carry out precision grinding processing to spline tooth root, however, the spline shaft of the prior art is usually provided with two groups of spline, due to the existence of different spline, it is necessary to process one group of spline first, then replace grinding wheel, continue to process another group of spline;When continuing to process next spline shaft, grinding wheel is also replaced, and the replacement of grinding wheel is more troublesome, and the processing efficiency is reduced. SUMMARY
[0003] The utility model aims at providing a kind of high-precision spline shaft grinding machine of improving processing efficiency.
[0004] In order to realize the above-mentioned utility model purposes, the high-precision spline shaft grinding machine of the utility model adopts the following technical scheme:
[0005] A kind of high-precision spline shaft grinding machine, including body, body includes workbench, the clamping mechanism is provided on the workbench, clamping mechanism includes headstock fixture and tailstock spindle, spline shaft is clamped between headstock fixture and tailstock spindle;The grinding mechanism is arranged above the clamping mechanism, the mobile frame is arranged on the side of the body, and the mobile frame can move along the axial direction of spline shaft;Lifting frame is arranged on the mobile frame, and the lifting frame can be vertically lifted along the height direction of the mobile frame, and the grinding mechanism is installed on the lifting frame;The grinding mechanism includes first grinding wheel and second grinding wheel, the lifting frame is provided with rotatable rotating arm, and the rotating arm is provided with rotating motor for driving the rotation thereof;The lower end of the rotating arm is provided with first arm and second arm perpendicular to each other, the first grinding wheel is installed at the end of the first arm, and the second grinding wheel is installed at the end of the second arm;The first grinding wheel is provided with first motor for driving the rotation thereof, and the second grinding wheel is provided with second motor for driving the rotation thereof.
[0006] Preferably, the mobile frame is provided with a moving mechanism for driving the movement thereof, the bottom of the mobile frame and the side surface of the mobile frame are provided with moving sliders, and the body is provided with moving guide rails matched with the moving sliders, and the moving sliders are slidingly installed on the moving guide rails.
[0007] Preferably, the moving mechanism includes a moving motor mounted on the machine body, the output shaft of the moving motor being connected to a moving lead screw, and the moving frame having a moving nut that is adapted to the moving lead screw. The moving motor drives the moving lead screw to rotate, causing the moving nut to move along the axial direction of the moving lead screw, thereby realizing the movement of the moving frame.
[0008] Preferably, the lifting frame is provided with a lifting mechanism to drive its lifting and lowering, the two sides of the movable frame are provided with lifting guide rails, and the lifting frame is provided with a lifting slider adapted to the lifting guide rails, the lifting slider being slidably installed on the lifting guide rails.
[0009] Preferably, the lifting mechanism includes a lifting motor mounted on a movable frame, the output shaft of which is connected to a lifting lead screw. The lifting frame is equipped with a lifting nut, which is adapted to the lifting lead screw. The lifting motor drives the lifting lead screw to rotate, causing the lifting nut to move up and down along the lifting lead screw, thereby realizing the lifting movement of the lifting frame.
[0010] Preferably, the lifting frame is provided with a mounting base, and the upper end of the rotating arm is rotatably connected to the mounting base.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0012] This invention improves processing efficiency by switching between a first grinding wheel and a second grinding wheel. Specifically, when the spline shaft being processed has two sets of splines, after the first grinding wheel grinds the first set of splines, the second grinding wheel can be directly rotated to grind the second set of splines, avoiding the repeated changing of grinding wheels in the prior art and improving processing efficiency. When the spline shaft being processed has one set of splines, the first and second grinding wheels can be used as backups for each other, which also improves processing efficiency. Attached Figure Description
[0013] Figure 1 This is the front view of the present invention;
[0014] Figure 2 for Figure 1 Rear view;
[0015] Figure 3 for Figure 1 The right view.
[0016] The components include: 1. Machine body; 1a. Worktable; 1b. Moving guide rail; 2. Headstock clamp; 3. First grinding wheel; 4. Rotating arm; 5. Mounting base; 6. Lifting frame; 6a. Lifting slider; 7. Lifting motor; 8. Moving frame; 8a. Lifting guide rail; 8b. Moving slider; 9. Second arm; 10. Second grinding wheel; 11. Second motor; 12. Splined shaft; 13. Tailstock spindle; 14. Moving lead screw; 15. Moving motor; 16. Lifting lead screw; 17. Lifting nut; 18. Rotating motor; 19. First motor; 20. First arm; 21. Moving nut. Detailed Implementation
[0017] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are only for illustrating the present invention and not for limiting the scope of the present invention. After reading the present invention, any modifications of the present invention in various equivalent forms by those skilled in the art will fall within the scope defined by the appended claims.
[0018] like Figures 1-3 As shown, a high-precision spline shaft grinding machine includes a machine body 1, which includes a worktable 1a. A clamping mechanism is provided on the worktable 1a, including a headstock fixture 2 and a tailstock spindle 13. A spline shaft 12 is clamped between the headstock fixture 2 and the tailstock spindle 13. A grinding mechanism is provided above the clamping mechanism. A movable frame 8 is provided on one side of the machine body 1, which can move along the axial direction of the spline shaft 12. The movable frame 8 is provided with a moving mechanism to drive its movement. The bottom and sides of the movable frame 8 are equipped with... The system includes a movable slider 8b, and a movable guide rail 1b that mates with the movable slider 8b. The movable slider 8b is slidably mounted on the movable guide rail 1b. The moving mechanism includes a moving motor 15 mounted on the machine body 1. The output shaft of the moving motor 15 is connected to a moving lead screw 14. The moving frame 8 is equipped with a moving nut 21, which is adapted to the moving lead screw 14. A lifting frame 6 is mounted on the moving frame 8, and the lifting frame 6 can be vertically raised and lowered along the height direction of the moving frame 8. The lifting frame 6 is equipped with a mechanism to drive its raising and lowering. The lifting mechanism includes lifting guide rails 8a on both sides of the movable frame 8, and lifting sliders 6a adapted to the lifting guide rails 8a. The lifting sliders 6a are slidably mounted on the lifting guide rails 8a. The lifting mechanism includes a lifting motor 7 mounted on the movable frame 8, the output shaft of the lifting motor 7 is connected to the lifting screw 16, and the lifting frame 6 is provided with a lifting nut 17, which is adapted to the lifting screw 16. A grinding mechanism is mounted on the lifting frame 6, including a first grinding wheel 3 and a second grinding wheel 10. The lifting frame 6 is equipped with a rotatable rotating arm 4, and the lifting frame 6 is provided with a mounting base 5. The upper end of the rotating arm 4 is rotatably connected to the mounting base 5, and the rotating arm 4 is provided with a rotating motor 18 that drives its rotation. The lower end of the rotating arm 4 is provided with a first arm 20 and a second arm 9 that are perpendicular to each other. The first grinding wheel 3 is mounted at the end of the first arm 20, and the second grinding wheel 10 is mounted at the end of the second arm 9. The first grinding wheel 3 is provided with a first motor 19 that drives its rotation, and the second grinding wheel 10 is provided with a second motor 11 that drives its rotation.
[0019] The specific working process and principle of the utility model are: when the spline shaft 12 for machining has two groups of splines, the first sand wheel 3 grinds the first group of spline tooth roots, when grinding, the spline tooth grooves are ground one by one, specifically, the first sand wheel 3 is rotated by the first motor 19, and the rotating first sand wheel 3 is moved along the length direction of one of the spline tooth grooves by the starting moving motor 15, and the grinding of the first spline tooth groove is completed; then the first sand wheel 3 is separated from the spline groove by the lifting motor 7, and the spline shaft 12 is rotated by the clamping mechanism, at this time, the grinding of the second spline tooth groove can be carried out, until the grinding of all the spline tooth grooves of the first group of splines is completed; then the rotating arm 4 is rotated by the rotating motor 18, the second sand wheel 10 is switched to be used, and the second group of splines is ground, so that the machining efficiency is improved; when the spline shaft 12 for machining has one group of splines, the first sand wheel 3 and the second sand wheel 10 can be used as standby, and the machining efficiency is also improved.
[0020] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.
[0021] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "rotating connection" and the like should be understood in a broad sense, for example, can be fixed connection, or can be detachable connection, or can be integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication inside two elements or the interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the utility model can be understood according to the specific meaning in the utility model by the person skilled in the art according to the specific situation.
[0022] The above description shows and describes the preferred embodiments of the utility model, as described before, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified by the above-mentioned teaching or related technology or knowledge within the scope of the utility model conceived in the present application. The modification and change made by the person skilled in the art without departing from the spirit and scope of the utility model should be within the protection scope of the claims attached to the utility model.
Claims
1. A high-precision spline shaft grinding machine, comprising a machine body, the machine body comprising a worktable, a clamping mechanism is arranged on the worktable, the clamping mechanism comprising a headstock clamp and a tailstock spindle, and a spline shaft is clamped between the headstock clamp and the tailstock spindle; characterized in that: The clamping mechanism is provided with a grinding mechanism above, one side of the machine body is provided with a moving frame which can move along the axial direction of the spline shaft; the moving frame is provided with a lifting frame which can vertically lift along the height direction of the moving frame, and the grinding mechanism is installed on the lifting frame; the grinding mechanism comprises a first grinding wheel and a second grinding wheel, the lifting frame is installed with a rotating arm which can rotate, and the rotating arm is provided with a rotating motor which drives the rotating arm to rotate; the lower end of the rotating arm is provided with a first arm and a second arm which are perpendicular to each other, the first grinding wheel is installed at the end of the first arm, and the second grinding wheel is installed at the end of the second arm; the first grinding wheel is provided with a first motor which drives the first grinding wheel to rotate, and the second grinding wheel is provided with a second motor which drives the second grinding wheel to rotate.
2. The high-precision spline shaft grinder according to claim 1, characterized by: The moving frame is provided with a moving mechanism which drives the moving frame to move, the bottom of the moving frame and the side of the moving frame are provided with moving sliders, and the machine body is provided with moving guide rails which match the moving sliders, and the moving sliders are slidingly installed on the moving guide rails.
3. The high-precision spline shaft grinder according to claim 2, characterized by: The moving mechanism comprises a moving motor which is arranged on the machine body, and the output shaft of the moving motor is connected with a moving screw rod, and the moving frame is provided with a moving nut which matches the moving screw rod.
4. The high-precision spline shaft grinder according to claim 1, characterized by: The lifting frame is provided with a lifting mechanism which drives the lifting frame to lift, the two sides of the moving frame are provided with lifting guide rails, the lifting frame is provided with lifting sliders which match the lifting guide rails, and the lifting sliders are slidingly installed on the lifting guide rails.
5. The high-precision spline shaft grinder according to claim 4, characterized in that: The lifting mechanism comprises a lifting motor which is arranged on the moving frame, and the output shaft of the lifting motor is connected with a lifting screw rod, and the lifting frame is provided with a lifting nut which matches the lifting screw rod.
6. The high precision spline shaft grinding machine according to claim 1, characterized in that: The lifting frame is provided with a mounting seat, and the upper end of the rotating arm is rotationally connected with the mounting seat.