Gear chamfering clamp for edge grinding chamfering machine

Abstract

The gear chamfering clamp for the edge grinding chamfering machine comprises a base, a first screw rod and a second screw rod, a first screw rod seat is arranged in the middle of the left side of the upper surface of the base, a second screw rod seat is arranged in the middle of the right side of the upper surface of the base, and the first screw rod is connected into the first screw rod seat in a threaded mode and is perpendicular to the first screw rod seat. The second screw rod is in threaded connection in the second screw rod seat and is perpendicular to the second screw rod seat; a first pressing disc is arranged at the end, close to the second screw, of the first screw. According to the gear clamping device, the two supporting blocks can move close to each other or away from each other in the through groove, gears of different sizes within a certain diameter range can be vertically placed in the through groove, and the gears are firmly clamped through the first pressing disc and the second pressing disc so that the chamfering machine can conveniently machine and polish the gears; the clamp is simple and reliable in structure, the gear can be firmly clamped, and the gear is convenient to loosen and replace.

Description

Technical Field

[0001] The utility model relates to the technical field of gear processing of chamfering machines, in particular to a gear chamfering fixture for edge grinding and chamfering machines. Background Art

[0002] The gear grinding and chamfering machine is an automated mechanical device used to remove burrs from gear edges. It uses pneumatic or electric high-speed rotation to drive the grinding wheel for grinding. The machine tool provides convenient and reliable equipment for industries such as automobiles, motorcycles, agricultural vehicles, engineering machinery, reduction machinery, and machine manufacturing. It greatly improves the meshing accuracy of transmission parts and effectively reduces transmission noise. During the gear processing process, the tooth profile needs to be chamfered. The end face tooth profile chamfering can prevent the end face sharp corners from breaking when the gear is meshing, especially for helical gears. When chamfering the tooth profile, the gear needs to be clamped and fixed. Most of the existing fixtures have fixed structures, making it difficult to clamp gears of different sizes, and their versatility is poor.

[0003] In view of the above problems, the present utility model is proposed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a gear chamfering fixture for an edge grinding and chamfering machine, so as to solve the problems mentioned in the background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions.

[0006] The utility model provides a gear chamfering fixture for an edge grinding and chamfering machine, comprising a base, a first screw and a second screw, wherein a first screw seat is arranged at a middle position on the left side of an upper surface of the base, and a second screw seat is arranged at a middle position on the right side of an upper surface of the base, the first screw is threadedly connected in the first screw seat and is perpendicular to the first screw seat, and the second screw is threadedly connected in the second screw seat and is perpendicular to the second screw seat;

[0007] A first pressure plate is disposed at one end of the first screw rod close to the second screw rod, and a second pressure plate is disposed at one end of the second screw rod close to the first screw rod. A plurality of anti-slip protrusions are disposed on the surfaces of the first pressure plate and the second pressure plate facing each other;

[0008] A rectangular frame is also provided in the middle of the upper surface of the base, the inner bottom surface of the frame penetrates the base to form a through groove, the two long sides of the frame face the first pressure plate and the second pressure plate respectively, and a side notch is provided in the middle of the two long sides of the frame;

[0009] Two supporting blocks are slidably arranged inside the through slot, and two ends of the supporting blocks abut against the inner wall of the through slot.

[0010] Preferably, a first handle is provided at one end of the first screw away from the first pressure plate, and a second handle is provided at one end of the second screw away from the second pressure plate, and anti-slip recesses are provided on the first handle and the second handle.

[0011] Preferably, the plurality of anti-slip protrusions are evenly distributed in a circumferential shape on a side of the first pressure plate and the second pressure plate that are close to each other.

[0012] Preferably, the width of the side recess is greater than the diameter of the first pressure plate and the second pressure plate.

[0013] Preferably, two opposite side grooves are arranged below the inner wall of the through groove, and the two ends of the support block are slidably mounted in the side grooves respectively.

[0014] Preferably, four through holes are provided at four corners of the upper surface of the base.

[0015] Preferably, the width of the support block is consistent with the width of the through slot.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] Install the entire fixture on the processing platform of the edge grinding and chamfering machine, put the gear vertically into the through slot, and the two shorter changes of the surrounding frame support the two ends of the gear, and the two support blocks also support the gear;

[0018] The gear is located between the first pressure plate and the second pressure plate. The first pressure plate can move toward the gear by holding the first handle and rotating it. The second pressure plate can move toward the gear by holding the second handle and rotating it. During the movement, the first pressure plate and the second pressure plate can pass through the side notches and fit on both sides of the gear to fix the gear.

[0019] After the chamfering of the tooth grooves in the upper part of the gear is completed, the first pressure plate and the second pressure plate can be loosened, the gear can be rotated, the tooth grooves in the lower part of the gear can be rotated upwards, and then the first pressure plate and the second pressure plate can be fixed, and the remaining teeth of the chamfering machine can be processed and polished;

[0020] The two support blocks can move towards or away from each other in the through slot, and gears of different sizes within a certain diameter range can be placed vertically in the through slot. The gears are firmly clamped by the first pressure plate and the second pressure plate to facilitate the chamfering machine to process and grind the gears. The fixture has a simple and reliable structure, can clamp the gears more firmly, and is also convenient to loosen and replace the gears. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a perspective stereogram of the utility model;

[0022] Figure 2This is another perspective view of the utility model;

[0023] Figure 3 It is a three-dimensional diagram of the surrounding frame of the utility model.

[0024] In the figure: 1. base; 11. through hole; 12. frame; 13. through groove; 14. side notch; 15. side groove; 16. support block; 2. first screw seat; 21. first screw; 22. first handle; 23. first pressure plate; 3. second screw seat; 31. second screw; 32. second handle; 33. second pressure plate; 4. anti-slip bumps. DETAILED DESCRIPTION

[0025] 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.

[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0027] like Figure 1-3 As shown, a gear chamfering fixture for an edge grinding and chamfering machine includes a base 1, a first screw rod 21 and a second screw rod 31. A first screw seat 2 is provided at the middle position on the left side of the upper surface of the base 1, and a second screw seat 3 is provided at the middle position on the right side of the upper surface of the base 1. The first screw rod 21 is threadedly connected in the first screw seat 2 and is perpendicular to the first screw seat 2. The second screw rod 31 is threadedly connected in the second screw seat 3 and is perpendicular to the second screw seat 3. The first screw rod 21 can rotate in the first screw seat 2 to achieve forward and backward movement, and the second screw rod 31 can rotate in the second screw seat 3 to achieve forward and backward movement.

[0028] A first pressure plate 23 is provided at one end of the first screw 21 close to the second screw 31, and a second pressure plate 33 is provided at one end of the second screw 31 close to the first screw 21. A plurality of anti-skid protrusions 4 are provided on the sides of the first pressure plate 23 and the second pressure plate 33 facing each other. The first pressure plate 23 and the second pressure plate 33 can clamp and fix the two sides of the gear, and the anti-skid protrusions 4 can enhance the friction force of the clamping;

[0029] A rectangular frame 12 is also provided in the middle of the upper surface of the base 1. The inner bottom surface of the frame 12 passes through the base 1 to form a through groove 13. The gear to be processed can be placed vertically in the frame 12, and the lower half of the gear can pass through the through groove 13. The two long sides of the frame 12 face the first pressure plate 23 and the second pressure plate 33 respectively. A side notch 14 is provided in the middle of the two long sides of the frame 12. When the first pressure plate 23 and the second pressure plate 33 move toward each other, they can pass through the side notch 14.

[0030] Two support blocks 16 are slidably disposed inside the through slot 13 , and both ends of the support blocks 16 abut against the inner wall of the through slot 13 . The support blocks 16 can move forward and backward to support gears of different sizes.

[0031] A first handle 22 is provided at one end of the first screw 21 away from the first pressure plate 23, and a second handle 32 is provided at one end of the second screw 31 away from the second pressure plate 33. Anti-slip recesses are provided on the first handle 22 and the second handle 32. Holding the first handle 22 facilitates the rotation of the first screw 21, and holding the second handle 32 facilitates the rotation of the second screw 31.

[0032] The sliding protrusions 4 are evenly distributed in a circumferential manner on a surface of the first pressure plate 23 and the second pressure plate 33 that are close to each other.

[0033] The width of the side recess 14 is greater than the diameters of the first pressure plate 23 and the second pressure plate 33 .

[0034] Two opposite side grooves 15 are arranged below the inner wall of the through groove 13 , and two ends of the support block 16 are slidably mounted in the side grooves 15 , respectively. Four through holes 11 are arranged at four corners of the upper surface of the base 1 .

[0035] The width of the support block 16 is consistent with the width of the through slot 13 .

[0036] In summary: the entire fixture can be installed on the processing platform of the grinding and chamfering machine by passing the bolt through the through hole 11, and the gear is placed vertically in the through slot 13. The two shorter changes of the surrounding frame 12 support the two ends of the gear, and the two support blocks 16 also support the gear.

[0037] At this time, the gear is located between the first pressure plate 23 and the second pressure plate 33. By holding the first handle 22 and rotating it, the first pressure plate 23 can move toward the gear. By holding the second handle 32 and rotating it, the second pressure plate 33 can move toward the gear. During the movement, the first pressure plate 23 and the second pressure plate 23 can pass through the side notches 14 and fit on both sides of the gear to fix the gear.

[0038] After the chamfering of the tooth grooves in the upper part of the gear is completed, the first pressure plate 23 and the second pressure plate 33 can be loosened, the gear can be rotated, the tooth grooves in the lower part of the gear can be rotated upward, and then the first pressure plate 23 and the second pressure plate 33 can be fixed, and the remaining teeth of the chamfering machine can be processed and polished;

[0039] The two support blocks 16 can move towards or away from each other in the through groove 13, so that gears of different sizes within a certain diameter range can be placed vertically in the through groove 13, and the gears are firmly clamped by the first pressure plate 23 and the second pressure plate 33 to facilitate the chamfering machine to process and grind the gears; the fixture structure is simple and reliable, can clamp the gears more firmly, and it is also convenient to loosen and replace the gears.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A gear chamfering fixture for an edge grinding and chamfering machine, characterized in that: The invention comprises a base (1), a first screw rod (21) and a second screw rod (31); a first screw rod seat (2) is arranged at the middle position of the left side of the upper surface of the base (1); a second screw rod seat (3) is arranged at the middle position of the right side of the upper surface of the base (1); the first screw rod (21) is threadedly connected in the first screw rod seat (2) and is perpendicular to the first screw rod seat (2); the second screw rod (31) is threadedly connected in the second screw rod seat (3) and is perpendicular to the second screw rod seat (3); A first pressure plate (23) is provided at one end of the first screw rod (21) close to the second screw rod (31), and a second pressure plate (33) is provided at one end of the second screw rod (31) close to the first screw rod (21); and a plurality of anti-slip protrusions (4) are provided on the surfaces of the first pressure plate (23) and the second pressure plate (33) facing each other; A rectangular frame (12) is also provided in the middle of the upper surface of the base (1); the inner bottom surface of the frame (12) penetrates the base (1) to form a through groove (13); the two long sides of the frame (12) face the first pressure plate (23) and the second pressure plate (33) respectively; and a side notch (14) is provided in the middle of the two long sides of the frame (12); Two support blocks (16) are provided for sliding inside the through slot (13), and two ends of the support blocks (16) are against the inner wall of the through slot (13).

2. The gear chamfering fixture for an edge grinding and chamfering machine according to claim 1, characterized in that: A first handle (22) is provided at one end of the first screw rod (21) away from the first pressure plate (23), and a second handle (32) is provided at one end of the second screw rod (31) away from the second pressure plate (33). Anti-slip recesses are provided on the first handle (22) and the second handle (32).

3. The gear chamfering fixture for an edge grinding and chamfering machine according to claim 1, characterized in that: The plurality of anti-slip protrusions (4) are evenly distributed in a circumferential manner at equal intervals on a surface of the first pressure plate (23) and the second pressure plate (33) that are close to each other.

4. The gear chamfering fixture for an edge grinding and chamfering machine according to claim 1, characterized in that: The width of the side recess (14) is greater than the diameters of the first pressure plate (23) and the second pressure plate (33).

5. The gear chamfering fixture for an edge grinding and chamfering machine according to claim 1, characterized in that: Two opposite side grooves (15) are arranged below the inner wall of the through groove (13), and the two ends of the support block (16) are respectively slidably mounted in the side grooves (15).

6. The gear chamfering fixture for an edge grinding and chamfering machine according to claim 1, characterized in that: Four through holes (11) are provided at four corners of the upper surface of the base (1).

7. The gear chamfering fixture for an edge grinding and chamfering machine according to claim 1, characterized in that: The width of the support block (16) is consistent with the width of the through slot (13).

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