Grinding wheel dressing mechanism of gear grinding machine

Abstract

The utility model provides a grinding wheel dressing mechanism of a gear grinding machine, which relates to the field of gear grinding machines and comprises a machining table fixed on the gear grinding machine, a driving motor mounted on the machining table in a matched manner, a grinding wheel connected to an output shaft of the driving motor, a mounting frame and a driving mechanism for driving the mounting frame to move transversely and vertically, an angle grinding mechanism is arranged at the bottom of the mounting frame and comprises an adjusting rod, a movable sleeve and two opposite fixing plates, the two fixing plates are fixedly mounted at the bottom of the mounting frame, the outer surface of the adjusting rod is sleeved with the movable sleeve, and a finishing piece is connected to the outer surface of the movable sleeve; the trimming piece is driven by the driving mechanism to move transversely and vertically, in addition, before the movable sleeve is attached to the inner side of the fixing plate, the fixing angle of the movable sleeve can be adjusted, so that the angle of the trimming piece is changed, and then the rotating angle of the movable sleeve is limited through the limiting piece on the outer surface of the adjusting rod; and the chamfering position of the grinding wheel of the gear grinding machine can be conveniently trimmed.

Description

Technical Field

[0001] The utility model relates to the field of gear grinding machines, in particular to a grinding wheel dressing mechanism for gear grinding machines. Background Art

[0002] At present, grinding equipment is used in the assembly line of shower manufacturing to process it, such as polishing, grinding and other finishing operations on metal pipe ports, valve cores or accessories. At the same time, the transmission system in the grinding equipment uses gears to transmit power, change the speed and direction of movement. Gears play a vital role in grinding machine tools. They ensure the precise, smooth and synchronous movement of the machine tool spindle rotation, worktable movement and other key components. In the manufacturing process of the gear itself, gear grinding machines are used to produce high-quality and high-precision gear parts. This machine tool can refine the gears through precision grinding technology to obtain the required tooth shape accuracy, pitch accuracy and tooth surface roughness. In order to better grind the gears, chamfers will be made on the edge of the grinding wheel of the gear grinding machine, and long-term grinding and chamfering wear need to be trimmed.

[0003] The existing publication number CN212170075U discloses a grinding wheel dressing mechanism of a gear grinding machine, comprising a processing table fixed on the gear grinding machine, a driving motor mounted on the processing table and a grinding wheel connected to the output shaft of the driving motor, a mounting frame is fixedly connected to the top left side of the processing table, a push rod motor is mounted on the mounting frame, a clamping plate is fixed on the push rod of the push rod motor, a movable plate is arranged on the right side of the clamping plate, threaded holes are arranged on the clamping plate and the movable plate, a rotating rod is connected to the inner thread of the threaded hole, a sleeve rod is arranged between the clamping plate and the movable plate, a diamond wheel is arranged on the outer movable sleeve of the sleeve rod, a reinforcement component is arranged on the top of the diamond wheel, and a suction device is arranged on the right side of the diamond wheel;

[0004] However, when the above-mentioned dressing mechanism is in use, the diamond wheel is fixed and clamped by two clamping plates, and then the height position of the diamond wheel is adjusted by a push rod motor, while the angle of the diamond wheel cannot be adjusted, which is inconvenient for the trimming of the chamfer of the edge of the gear grinding wheel.

[0005] Therefore, it is necessary to provide a new gear grinding machine grinding wheel dressing mechanism to solve the above-mentioned technical problems. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a grinding wheel dressing mechanism for a gear grinding machine.

[0007] The grinding wheel dressing mechanism of a gear grinding machine provided by the utility model comprises a processing table fixed on the gear grinding machine, a driving motor mounted on the processing table and a grinding wheel connected to the output shaft of the driving motor, and also comprises a mounting frame and a driving mechanism for driving the mounting frame to move horizontally and vertically, the driving mechanism is fixedly mounted on the top of the processing table, and an angle grinding mechanism is arranged at the bottom of the mounting frame;

[0008] The angle grinding mechanism includes an adjusting rod, a movable sleeve and two relative fixed plates, the two fixed plates are respectively fixedly installed on the bottom of the mounting frame, the movable sleeve is sleeved on the outer surface of the adjusting rod, the outer surface of the movable sleeve is connected to a trimming sheet, the adjusting rod is rotatably installed on the fixed plate, and the outer surface of the adjusting rod is also provided with a limiter for limiting the rotation angle of the movable sleeve.

[0009] Furthermore, the limiting member includes a movable snap ring, a fixed snap ring and a guide rail, the guide rail is fixedly installed at the bottom of the mounting frame, the top end of the movable snap ring is slidably installed in the guide rail, the movable snap ring is threadedly connected to the middle section of the adjusting rod, the fixed snap ring is fixedly installed at one end of the movable sleeve, and there is a gap between the inner wall of the fixed snap ring and the outer surface of the adjusting rod, and the fixed snap ring is engaged with the movable snap ring.

[0010] Furthermore, saw teeth are provided on opposite sides of the fixed snap ring and the movable snap ring, and the fixed snap ring and the movable snap ring are meshed with each other through the saw teeth.

[0011] Furthermore, an angle scale is provided at one end of the adjusting rod.

[0012] Furthermore, the driving mechanism includes a first slider, a driving member 1 for driving the first slider to move horizontally, a second slider, and a driving member 2 for driving the second slider to move vertically up and down. The driving member 1 is fixedly installed on the top of the processing table, the driving member 2 is fixedly installed on the top of the first slider, and the second slider is fixedly connected to one end of the mounting frame.

[0013] Furthermore, the driving component 1 includes a slide rail 1, a screw rod 1 and a driving motor 1. The slide rail 1 is fixedly installed on the top of the processing table, the driving motor 1 is fixedly installed on one end of the slide rail 1, the rotor of the driving motor 1 is fixedly connected to one end of the screw rod 1, the screw rod 1 is threadedly connected to the first sliding block, and the screw rod 1 is rotatably connected to the inner wall of the slide rail 1.

[0014] Furthermore, the second driving component includes a second slide rail, a second screw rod and a second driving motor. The second slide rail is fixedly installed on the top of the first slider, the second driving motor is fixedly installed on the top of the second slide rail, the rotor of the second driving motor is fixedly connected to one end of the second screw rod, the second screw rod is threadedly connected to the second slider, and the second screw rod is rotatably connected to the inner wall of the second slide rail.

[0015] Compared with the related art, the grinding wheel dressing mechanism of the gear grinding machine provided by the utility model has the following beneficial effects:

[0016] The dressing piece is driven by a driving mechanism to perform lateral and vertical movements. In addition, the fixed angle of the movable sleeve can be adjusted before the movable sleeve is fitted onto the inner side of the fixed plate, so that the angle of the dressing piece changes. The rotation angle of the movable sleeve is limited by a limit piece on the outer surface of the adjusting rod, so that the chamfer position of the grinding wheel of the gear grinder can be easily trimmed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the overall structure of the grinding wheel dressing mechanism of the gear grinding machine provided by the utility model;

[0018] Figure 2 for Figure 1 The enlarged structural schematic diagram of A shown;

[0019] Figure 3 This is a schematic diagram of the overall structure of the angle grinding mechanism provided by the utility model;

[0020] Figure 4 This is a schematic diagram of the split structure of the angle grinding mechanism provided by the utility model;

[0021] Figure 5 This is a structural schematic diagram of the driving mechanism provided by the utility model.

[0022] Numbers in the figure: 1. Processing table; 2. Grinding wheel; 3. Adjusting rod; 4. Movable sleeve; 5. Fixed plate; 6. Dressing sheet; 7. Movable snap ring; 8. Fixed snap ring; 9. Guide rail; 10. Angle scale; 11. First slider; 12. Second slider; 13. Slide rail one; 14. Screw rod one; 15. Drive motor one; 16. Slide rail two; 17. Screw rod two; 18. Drive motor two; 19. Mounting bracket. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0024] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5 ,in, Figure 1 A schematic diagram of the overall structure of the grinding wheel dressing mechanism of the gear grinding machine provided by the utility model; Figure 2 for Figure 1 The enlarged structural schematic diagram of A shown; Figure 3 This is a schematic diagram of the overall structure of the angle grinding mechanism provided by the utility model; Figure 4 This is a schematic diagram of the split structure of the angle grinding mechanism provided by the utility model; Figure 5 This is a structural schematic diagram of the driving mechanism provided by the utility model.

[0025] In the specific implementation process, Figure 1-Figure 5 As shown, the grinding wheel 2 dressing mechanism of the gear grinding machine includes a processing table 1 fixed on the gear grinding machine, a driving motor mounted on the processing table 1 and a grinding wheel 2 connected to the output shaft of the driving motor, and also includes a mounting frame 19 and a driving mechanism for driving the mounting frame 19 to move horizontally and vertically. The driving mechanism is fixedly mounted on the top of the processing table 1, and an angle grinding mechanism is provided at the bottom of the mounting frame 19;

[0026] The angle grinding mechanism includes an adjusting rod 3, a movable sleeve 4 and two relative fixed plates 5. The two fixed plates 5 are respectively fixedly installed on the bottom of the mounting frame 19. The movable sleeve 4 is sleeved on the outer surface of the adjusting rod 3. The outer surface of the movable sleeve 4 is connected with a trimming sheet 6. The adjusting rod 3 is rotatably installed on the fixed plate 5. The outer surface of the adjusting rod 3 is also provided with a limiter for limiting the rotation angle of the movable sleeve 4. In order to control the grinding angle, an angle scale 10 is provided at one end of the adjusting rod 3 for understanding the angle during grinding.

[0027] It should be noted that the middle section of the adjustment rod 3 is threaded, and both ends are smooth surfaces;

[0028] The limiting member includes a movable snap ring 7, a fixed snap ring 8 and a guide rail 9. The guide rail 9 is fixedly installed at the bottom of the mounting frame 19. The top end of the movable snap ring 7 is slidably installed in the guide rail 9. The movable snap ring 7 is threadedly connected to the middle section of the adjusting rod 3. The movable snap ring 7 moves laterally under the rotation drive of the thread of the adjusting rod 3. The fixed snap ring 8 is fixedly installed at one end of the movable sleeve 4, and there is a gap between the inner wall of the fixed snap ring 8 and the outer surface of the adjusting rod 3. The fixed snap ring 8 is engaged with the movable snap ring 7, thereby squeezing the movable sleeve 4 to move toward the inside of the fixed plate 5. When the movable sleeve 4 is in contact with the inner side of the fixed plate 5, the angle is fixed by the friction extrusion force.

[0029] Specifically, a connecting rod is provided on the outer surface of the movable snap ring 7, and the connecting rod slides laterally in the guide rail 9, so that the movable snap ring 7 moves closer to or away from the fixed snap ring 8;

[0030] The fixed snap ring 8 and the movable snap ring 7 are provided with serrations on opposite sides thereof, and the fixed snap ring 8 and the movable snap ring 7 are meshed with each other through the serrations, and the serrations are provided for better connection, fixing and separation.

[0031] The driving mechanism includes a first slider 11, a driving member 1 for driving the first slider 11 to move horizontally, a second slider 12, and a driving member 2 for driving the second slider 12 to move vertically up and down. The driving member 1 is fixedly installed on the top of the processing table 1, and the driving member 2 is fixedly installed on the top of the first slider 11. The second slider 12 is fixedly connected to one end of the mounting frame 19.

[0032] The driving member 1 includes a slide rail 13, a screw rod 14 and a driving motor 15. The slide rail 13 is fixedly installed on the top of the processing table 1. The driving motor 15 is fixedly installed on one end of the slide rail 13. The rotor of the driving motor 15 is fixedly connected to one end of the screw rod 14 through a coupling. The screw rod 14 is threadedly connected to the first slider 11. The first slider 11 is embedded in the slide rail 13, and the first slider 11 moves laterally in the slide rail 13. The screw rod 14 is rotatably connected to the inner wall of the slide rail 13.

[0033] The second driving component includes a second slide rail 16, a second screw rod 17 and a second driving motor 18. The second slide rail 16 is fixedly installed on the top of the first slider 11, and the second driving motor 18 is fixedly installed on the top of the second slide rail 16. The rotor of the second driving motor 18 is fixedly connected to one end of the second screw rod 17 through a coupling. The second screw rod 17 is threadedly connected to the second slider 12. The second slider 12 and the second slide rail 16 are interlocked, and the second slider 12 is vertically lifted and lowered in the second slide rail 16. The second screw rod 17 is rotatably connected to the inner side wall of the second slide rail 16. When the second driving motor 18 rotates, it drives the second screw rod 17 to rotate, and the second screw rod 17 can drive the second slider 12 to perform lifting and lowering movements on the second slide rail 16.

[0034] The working principle provided by the utility model is as follows: when the dressing mechanism is in use, when the driving motor 15 rotates, it drives the screw rod 14 to rotate, and the screw rod 14 can drive the first slider 11 to move laterally on the slide rail 13, and when the driving motor 2 18 rotates, it drives the screw rod 2 17 to rotate, and the screw rod 2 17 can drive the second slider 12 to move up and down on the slide rail 2 16, thereby driving the dressing piece 6 to move in the up, down, left and right directions. In addition, the movable clamping ring 7 moves laterally under the threaded rotation drive of the adjusting rod 3, and then squeezes the movable sleeve 4 to move toward the inside of the fixed plate 5. When the movable sleeve 4 fits with the inner side of the fixed plate 5, the angle is fixed by the friction extrusion force. Before the movable sleeve 4 fits with the inner side of the fixed plate 5, the fixed angle of the movable sleeve 4 can be adjusted to change the angle of the dressing piece 6, so that it is convenient to trim the chamfer position of the grinding wheel 2 of the gear grinding machine.

[0035] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0036] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A grinding wheel dressing mechanism for a gear grinding machine, comprising a processing table (1) fixed on the gear grinding machine, a driving motor mounted on the processing table (1) and a grinding wheel (2) connected to an output shaft of the driving motor, characterized in that: It also includes a mounting frame (19) and a driving mechanism for driving the mounting frame (19) to move horizontally and vertically, the driving mechanism being fixedly mounted on the top of the processing table (1), and an angle grinding mechanism being provided at the bottom of the mounting frame (19); The angle grinding mechanism comprises an adjusting rod (3), a movable sleeve (4) and two opposite fixed plates (5), the two fixed plates (5) being fixedly mounted on the bottom of the mounting frame (19) respectively, the movable sleeve (4) being sleeved on the outer surface of the adjusting rod (3), the outer surface of the movable sleeve (4) being connected with a trimming sheet (6), the adjusting rod (3) being rotatably mounted on the fixed plates (5), and the outer surface of the adjusting rod (3) being further provided with a stopper for limiting the rotation angle of the movable sleeve (4).

2. The gear grinding machine grinding wheel (2) dressing mechanism according to claim 1, characterized in that: The limiting member comprises a movable snap ring (7), a fixed snap ring (8) and a guide rail (9); the guide rail (9) is fixedly mounted on the bottom of the mounting frame (19); the top end of the movable snap ring (7) is slidably mounted in the guide rail (9); the movable snap ring (7) is threadedly connected to the middle section of the adjusting rod (3); the fixed snap ring (8) is fixedly mounted on one end of the movable sleeve (4); and a gap is provided between the inner wall of the fixed snap ring (8) and the outer surface of the adjusting rod (3); the fixed snap ring (8) is engaged with the movable snap ring (7).

3. The gear grinding machine grinding wheel (2) dressing mechanism according to claim 2, characterized in that: The fixed snap ring (8) and the movable snap ring (7) are provided with saw teeth on opposite sides thereof, and the fixed snap ring (8) and the movable snap ring (7) are meshed with each other through the saw teeth.

4. The gear grinding machine grinding wheel (2) dressing mechanism according to claim 3, characterized in that: An angle scale (10) is provided at one end of the adjustment rod (3).

5. The gear grinding machine grinding wheel (2) dressing mechanism according to claim 4, characterized in that: The driving mechanism comprises a first slider (11), a driving member 1 for driving the first slider (11) to move horizontally, a second slider (12), and a driving member 2 for driving the second slider (12) to move vertically up and down, the driving member 1 being fixedly mounted on the top of the processing table (1), the driving member 2 being fixedly mounted on the top of the first slider (11), and the second slider (12) being fixedly connected to one end of the mounting frame (19).

6. The gear grinding wheel (2) dressing mechanism according to claim 5, characterized in that: The driving member 1 comprises a slide rail 1 (13), a screw rod 1 (14) and a driving motor 1 (15); the slide rail 1 (13) is fixedly mounted on the top of the processing table (1); the driving motor 1 (15) is fixedly mounted on one end of the slide rail 1 (13); the rotor of the driving motor 1 (15) is fixedly connected to one end of the screw rod 1 (14); the screw rod 1 (14) is threadedly connected to the first slider (11); and the screw rod 1 (14) is rotatably connected to the inner wall of the slide rail 1 (13).

7. The gear grinding machine grinding wheel (2) dressing mechanism according to claim 6, characterized in that: The second driving member comprises a second slide rail (16), a second screw rod (17) and a second driving motor (18); the second slide rail (16) is fixedly mounted on the top of the first slider (11); the second driving motor (18) is fixedly mounted on the top of the second slide rail (16); the rotor of the second driving motor (18) is fixedly connected to one end of the second screw rod (17); the second screw rod (17) is threadedly connected to the second slider (12); and the second screw rod (17) is rotatably connected to the inner wall of the second slide rail (16).

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