Gear hob sharpening machine

Abstract

The utility model relates to the technical field of sharpening machines, and discloses a gear hob sharpening machine which comprises a base, a vertical plate is fixedly installed on the top of the base, and an adjusting mechanism is arranged on the vertical plate. The adjusting mechanism comprises a first motor, a gear, a rack, a through hole, a limiting rod, a moving seat, a first air cylinder, a second motor and a sharpening knife, a gear hob is arranged above the base, the sharpening knife is arranged on the back face of the gear hob, and the gear is connected with the rack in an engaged mode; the first motor is started to drive the gear to rotate, the gear drives the moving seat to move up and down through the rack, the moving seat drives the sharpening knife to move up and down to adjust the position, the sharpening knife abuts against different positions of the gear hob, and then the sharpening knife can adjust the polishing position of the sharpening knife according to the angle of the gear hob needing to be polished.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding machines, in particular to a gear hob grinding machine. Background Art

[0002] Gear hobs, also known as gear hobbing cutters, are precision tools for machining gears. The blades of gear hobs will wear out and become blunt during the gear machining process. After becoming blunt, the gear hob needs to be sharpened using a gear hob sharpening device.

[0003] The existing Chinese patent with announcement number CN104759951A discloses a gear hob grinding machine, which includes a frame, a mobile platform, a gear positioning tool and a grinding wheel machine. A guide rail is installed on the frame, a slide is arranged under the mobile platform, and the slide can move along the guide rail. Ejector devices are installed on the left and right ends of the mobile platform. The gear positioning tool includes a gear shaft, the gear shaft is pushed between the two ejector devices, and a dividing plate is installed on the right end of the gear shaft. The dividing plate is provided with grooves with the same number of gear teeth. A positioning column is also provided on the mobile platform, and a positioning plate is installed on the positioning column. The thin-walled end of the positioning plate is pushed in the groove.

[0004] With respect to the above-mentioned related technologies, the inventors found that when the grinding machine is working, the grinding angle of the grinding hob cannot be adjusted, making it difficult for the grinding hob to fully grind all angles of the gear, resulting in the defect of poor gear grinding effect during the use of the grinding hob. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a gear hob grinding machine.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gear hob grinding machine, comprising a base, a vertical plate fixedly mounted on the top of the base, and an adjustment mechanism arranged on the vertical plate; the adjustment mechanism comprises a motor 1, a gear, a rack, a through hole, a limit rod, a movable seat, a cylinder 1, a motor 2, and a grinding knife, a gear hob is arranged above the base, and the grinding knife is arranged on the back side of the gear hob, the gear is meshed and connected with the rack, the rack is fixedly mounted on the back side of the movable seat, and the rack is slidably connected to the inside of the through hole, and the through hole is opened on the vertical plate.

[0009] Preferably, the motor is fixedly mounted on the back of the vertical plate, and the output end is rotatably connected to the gear through a connecting rod. The limit rod is fixedly mounted inside the through hole and passes through the rack and is slidably connected to the rack. By setting up the motor, the gear can be driven to rotate, and the limit rod allows the rack to move up and down stably in the through hole.

[0010] Preferably, the cylinder one is fixedly mounted on the front side of the movable seat, the motor two is fixedly mounted on the output end of the cylinder one, the grinding knife is rotatably connected to the output end of the motor two via the connecting rod two, and the front and rear positions of the grinding knife can be adjusted by setting the cylinder one.

[0011] Preferably, a moving mechanism is provided on the top of the base, and the moving mechanism includes cylinder 2, a connecting plate, and a movable plate. Cylinder 2 is fixedly installed on the top of the base, the connecting plate is fixedly installed on the side of the movable plate, and the left side is fixedly connected to the output end of cylinder 2, and the movable plate is slidably connected to the top of the base.

[0012] Preferably, a vertical plate one is fixedly installed on the top of the movable plate, a vertical plate two is slidably connected to the left side of the vertical plate one, a cylinder three is fixedly installed on the top of the movable plate, and the output end of the cylinder three is fixedly installed on the left side of the vertical plate two, a limit plate is fixedly installed on the outer wall of the vertical plate two, a U-shaped rod is fixedly installed on the top of the movable plate, and the U-shaped rod penetrates the limit plate and is slidably connected to the limit plate, and by setting the cylinder three, the vertical plate two can be driven to move left and right.

[0013] Preferably, a motor three is fixedly installed on the left side of the vertical plate two, and the output end of the motor three is rotatably connected to the circular plate one through a connecting rod three. The left side of the vertical plate one is rotatably connected to a rotating rod through a bearing, and the left end of the rotating rod is fixedly installed with the circular plate two. By setting the motor three, the clamped gear hob can be driven to rotate to adjust the grinding position.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a gear hob grinding machine, which has the following beneficial effects:

[0016] 1. This gear hob grinding machine starts a motor to drive the gear to rotate, and the gear drives the moving seat to move up and down through the rack, and the moving seat drives the grinding knife to move up and down to adjust the position, so that the grinding knife abuts against different positions of the gear hob, and then the grinding knife can adjust its own grinding position according to the angle of the gear hob that needs to be ground.

[0017] 2. This gear hob grinding machine places the gear hob between circular plates one and two, starts cylinder three to drive vertical plate two to move right, clamps the gear hob between circular plates one and two, starts motor three to drive circular plate one to rotate, and circular plate one can drive the gear hob to rotate and adjust the grinding position, and starts cylinder two to drive the movable plate to move left and right, and the movable plate drives the fixed gear hob to move left and right, so that the gear hob can be ground. The gear hob of this device is firmly fixed, the position is easy to adjust, and the grinding efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;

[0021] Figure 3 This is a schematic diagram of the structure of the utility model Figure 3 ;

[0022] Figure 4 It is an enlarged view of A of the present utility model.

[0023] In the figure: 1. base; 2. vertical plate; 3. adjustment mechanism; 31. motor 1; 32. gear; 33. rack; 34. through hole; 35. limit rod; 36. moving seat; 37. cylinder 1; 38. motor 2; 39. grinding knife; 4. moving mechanism; 41. cylinder 2; 42. connecting plate; 43. movable plate; 5. motor 3; 6. circular plate 1; 7. circular plate 2; 8. rotating rod; 9. cylinder 3; 10. limit plate; 11. U-shaped rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Example 1

[0026] like Figure 1-4As shown, the utility model provides a gear hob grinding machine, including a base 1, a vertical plate 2 is fixedly installed on the top of the base 1, and an adjustment mechanism 3 is arranged on the vertical plate 2; the adjustment mechanism 3 includes a motor 1 31, a gear 32, a rack 33, a through hole 34, a limit rod 35, a moving seat 36, a cylinder 1 37, a motor 2 38, and a grinding knife 39, a gear hob is arranged above the base 1, and the grinding knife 39 is arranged on the back of the gear hob, the gear 32 is meshed and connected with the rack 33, the rack 33 is fixedly installed on the back of the moving seat 36, and the rack 33 is slidably connected to the inside of the through hole 34, and the through hole 34 is opened on the vertical plate 2 , motor 1 31 is fixedly mounted on the back of the vertical plate 2, and the output end is rotatably connected to the gear 32 through the connecting rod 1, the limit rod 35 is fixedly mounted inside the through hole 34, and passes through the rack 33 and is slidably connected to the rack 33, by setting the motor 1 31, the gear 32 can be driven to rotate, the limit rod 35 makes the rack 33 stably move up and down in the through hole 34, the cylinder 1 37 is fixedly mounted on the front of the moving seat 36, the motor 2 38 is fixedly mounted on the output end of the cylinder 1 37, the grinding knife 39 is rotatably connected to the output end of the motor 2 38 through the connecting rod 2, and the front and rear positions of the grinding knife 39 can be adjusted by setting the cylinder 1 37.

[0027] In this embodiment, the gear 32 is driven to rotate by starting the motor 31, and the gear 32 drives the movable seat 36 to move up and down through the rack 33. The movable seat 36 drives the grinding knife 39 to move up and down to adjust the position, so that the grinding knife 39 abuts against different positions of the gear hob, and then the grinding knife 39 can adjust its own grinding position according to the angle of the gear hob that needs to be ground.

[0028] Example 2

[0029] like Figure 1-4As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, a moving mechanism 4 is arranged on the top of the base 1, and the moving mechanism 4 includes a cylinder 2 41, a connecting plate 42, and a movable plate 43. The cylinder 2 41 is fixedly installed on the top of the base 1, the connecting plate 42 is fixedly installed on the side of the movable plate 43, and the left side is fixedly connected to the output end of the cylinder 2 41, the movable plate 43 is slidably connected to the top of the base 1, the top of the movable plate 43 is fixedly installed with a vertical plate 1, the left side of the vertical plate 1 is slidably connected with the vertical plate 2, the top of the movable plate 43 is fixedly installed with a cylinder 3 9, and the cylinder 3 9 The output end is fixedly installed on the left side of the vertical plate 2, and a limit plate 10 is fixedly installed on the outer wall of the vertical plate 2. A U-shaped rod 11 is fixedly installed on the top of the movable plate 43, and the U-shaped rod 11 penetrates the limit plate 10 and is slidably connected to the limit plate 10. By setting a cylinder 3 9, the vertical plate 2 can be driven to move left and right. A motor 3 5 is fixedly installed on the left side of the vertical plate 2. The output end of the motor 3 5 is rotatably connected to a circular plate 1 6 through a connecting rod 3. The left side of the vertical plate 1 is rotatably connected to a rotating rod 8 through a bearing. A circular plate 2 7 is fixedly installed on the left end of the rotating rod 8. By setting the motor 3 5, the clamped gear hob can be driven to rotate and adjust the grinding position.

[0030] In this embodiment, the gear hob is placed between circular plate 1 6 and circular plate 2 7, cylinder 3 9 is started to drive vertical plate 2 to move right, the gear hob is clamped between circular plate 1 6 and circular plate 2 7, motor 3 5 is started to drive circular plate 1 6 to rotate, circular plate 1 6 can drive the gear hob to rotate and adjust the grinding position, and cylinder 2 41 is started to drive the movable plate 43 to move left and right, and the movable plate 43 drives the fixed gear hob to move left and right, so that the gear hob can be ground. The gear hob of this device is firmly fixed and the position is easy to adjust, thereby improving the grinding efficiency.

[0031] The following is a detailed description of the working principle of this gear hob grinding machine.

[0032] like Figure 1-4As shown, when in use, the gear 32 is driven to rotate by starting the motor 1 31, and the gear 32 drives the movable seat 36 to move up and down through the rack 33, and the movable seat 36 drives the grinding knife 39 to move up and down to adjust the position, so that the grinding knife 39 abuts against different positions of the gear hob, thereby enabling the grinding knife 39 to adjust its own grinding position according to the angle of the gear hob to be ground. By placing the gear hob between the circular plate 1 6 and the circular plate 2 7, starting the cylinder 3 9 drives the vertical plate 2 to move right, and the gear hob is clamped between the circular plate 1 6 and the circular plate 2 7, starting the motor 3 5 drives the circular plate 1 6 to rotate, and the circular plate 1 6 can drive the gear hob to rotate and adjust the grinding position, and by starting the cylinder 2 41 to drive the movable plate 43 to move left and right, the movable plate 43 drives the fixed gear hob to move left and right, and the gear hob can be ground. The gear hob of the device is firmly fixed, the position is convenient to adjust, and the grinding efficiency is improved; the above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

Claims

1. A gear hob grinding machine, comprising a base (1), characterized in that: A vertical plate (2) is fixedly mounted on the top of the base (1), and an adjustment mechanism (3) is provided on the vertical plate (2); The adjusting mechanism (3) comprises a motor 1 (31), a gear (32), a rack (33), a through hole (34), a limiting rod (35), a movable seat (36), a cylinder 1 (37), a motor 2 (38), and a grinding knife (39). A gear hob is arranged above the base (1), and the grinding knife (39) is arranged on the back of the gear hob. The gear (32) is meshedly connected with the rack (33). The rack (33) is fixedly mounted on the back of the movable seat (36), and the rack (33) is slidably connected to the inside of the through hole (34). The through hole (34) is opened on the vertical plate (2).

2. A gear hob grinding machine according to claim 1, characterized in that: The motor 1 (31) is fixedly mounted on the back of the vertical plate (2), and the output end is rotationally connected to the gear (32) via the connecting rod 1. The limit rod (35) is fixedly mounted inside the through hole (34), and penetrates the rack (33) to be slidably connected to the rack (33).

3. The gear hob grinding machine according to claim 1, characterized in that: The cylinder one (37) is fixedly mounted on the front side of the movable seat (36), the motor two (38) is fixedly mounted on the output end of the cylinder one (37), and the grinding knife (39) is rotatably connected to the output end of the motor two (38) via the connecting rod two.

4. The gear hob grinding machine according to claim 1, characterized in that: A moving mechanism (4) is provided on the top of the base (1), and the moving mechanism (4) comprises a second cylinder (41), a connecting plate (42), and a movable plate (43). The second cylinder (41) is fixedly mounted on the top of the base (1), the connecting plate (42) is fixedly mounted on the side of the movable plate (43), and the left side is fixedly connected to the output end of the second cylinder (41), and the movable plate (43) is slidably connected to the top of the base (1).

5. The gear hob grinding machine according to claim 4, characterized in that: A vertical plate 1 is fixedly mounted on the top of the movable plate (43), and a vertical plate 2 is slidably connected to the left side of the vertical plate 1. A cylinder 3 (9) is fixedly mounted on the top of the movable plate (43), and the output end of the cylinder 3 (9) is fixedly mounted on the left side of the vertical plate 2. A limit plate (10) is fixedly mounted on the outer wall of the vertical plate 2. A U-shaped rod (11) is fixedly mounted on the top of the movable plate (43), and the U-shaped rod (11) passes through the limit plate (10) and is slidably connected to the limit plate (10).

6. The gear hob grinding machine according to claim 5, characterized in that: A motor three (5) is fixedly mounted on the left side of the vertical plate two, and the output end of the motor three (5) is rotatably connected to a circular plate one (6) via a connecting rod three. A rotating rod (8) is rotatably connected to the left side of the vertical plate one via a bearing, and a circular plate two (7) is fixedly mounted on the left end of the rotating rod (8).

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