Bevel gear half axle gear finish machining clamp
By designing a bevel gear half-axis gear finishing fixture including movable sleeves, rotating parts, threaded rods, placement parts, clamps and limiting plates, the loosening problem that parts may occur during processing in the prior art is solved, and the stable limit and fixation of the parts are achieved, and the service life of the fixture is extended.
Patent Information
- Application Number
- CN202422236845.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-12
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-09-12
AI Technical Summary
Existing bevel gear half-axis gear finishing fixtures may increase friction between the parts and the fixing plate during prolonged processing, resulting in loosening and damage to the parts.
A bevel gear half-axis gear finishing fixture is designed. By setting a movable sleeve, rotating part, threaded rod, placement part, clamp and limiting plate on the outer surface of the installation rod, the mutual cooperation and rotation relationship of these components can achieve stable limit and fixation of the parts.
It effectively avoids loosening of parts during grinding and processing, ensures the stability of parts during processing, and extends the service life of the fixture.
Smart Images

Figure CN223012862U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gear finishing, in particular to a finishing fixture for bevel half-axle gears. Background Technique
[0002] The half-axle gear is a gear in an automotive differential and is a conical gear. The half-axle gear is installed on the differential assembly. Before leaving the factory, the bevel half-axle gear needs to be finely processed. During fine processing, it is first necessary to limit and clamp it, and then use a finishing machine for processing.
[0003] Some devices on the market generally enable clamping and limiting of bevel half-axle gears of different sizes and models through a plurality of components provided, with a wide range of applications. By providing a fixing plate, it has high wear resistance and high temperature resistance, improving the service life of the fixture, with good use effects and strong practicability.
[0004] However, during the actual use of the above-mentioned device, when precision machining the parts by grinding, the friction between the parts and the fixing plate will increase, which may cause loosening during long-term processing, resulting in damage to the parts. In view of this, we have proposed a finishing fixture for bevel half-axle gears. Summary of the Invention
[0005] The purpose of the utility model is to provide a finishing fixture for bevel half-axle gears to solve the problems raised in the above background technique.
[0006] To achieve the above purpose, the utility model provides the following technical solution: A finishing fixture for bevel half-axle gears, including a mounting base, a mounting rod is fixedly connected to the side of the mounting base, a limiting device is arranged on the outer surface of the mounting rod, and the limiting device includes:
[0007] A movable sleeve is arranged on the outer surface of the mounting rod. A rotating part is fixedly connected to the outer surface of the movable sleeve. A threaded rod is threadedly connected inside the movable sleeve, and a double-threaded groove is arranged on the inner wall of the movable sleeve;
[0008] A placing part is rotatably connected to the upper surface of the threaded rod. The placing part is L-shaped, and the horizontal and vertical parts of the placing part are arc-shaped. A semi-circular rubber convex strip is arranged on the side of the vertical part of the placing part. A clamping part is fixedly connected to the side of the placing part, and the clamping part is L-shaped;
[0009] A limiting plate is sleeved on the outer surface of the mounting rod. A convex strip is arranged on the side of the limiting plate. The limiting plate is circular, and a clamping groove is arranged on the side of the limiting plate.
[0010] Preferably, the movable sleeve is arranged to penetrate the mounting rod, and the center of the movable sleeve corresponds to the center of the mounting rod, so that the movable sleeve can rotate well.
[0011] Preferably, the position of the card slot corresponds to the position of the card piece, and the card slots are evenly distributed on the side of the limiting plate in a linear array, so that parts with different inner diameters can be limited.
[0012] Preferably, the number of the card members is two, and the two card members are symmetrically arranged at the center of the placement member, and the size of the card member is adapted to the size of the card slot, so that the card member can be well inserted into the card slot.
[0013] Preferably, a fixing piece is fixedly connected to the outer surface of the mounting rod, a placement groove is provided on the top of the fixing piece, a rotating block is rotatably connected to the side of the inner wall of the placement groove, a screw rod is internally threadedly connected to the rotating block, and the end of the screw rod is rotatably connected to a limiting piece.
[0014] Preferably, the limiting member is arranged in a C shape, and a semicircular protrusion is arranged on the inner wall of the limiting member.
[0015] Compared with the prior art, the utility model provides a bevel gear half-shaft gear finishing fixture, which has the following beneficial effects:
[0016] 1. In order to prevent the parts from loosening during grinding, the bevel gear half-shaft gear finishing fixture places the parts on the outer surface of the mounting rod so that the side of the parts are in contact with the side of the vertical part of the placement piece, and then the limit plate is sleeved on the outer surface of the mounting rod to contact the parts, and the convex strips arranged on the side of the limit plate are just inserted into the outer teeth arranged on the outer surface of the parts, and at the same time the L-shaped clamp is inserted into the inside of the clamping groove, so that the rotating part allows the movable sleeve to rotate, so that the threaded rod can extend out of the movable sleeve to make the placement piece move upward, so that the upper surface of the horizontal part of the placement piece contacts the inner wall of the part, and at the same time the clamp moves upward in the inside of the clamping groove, so that the limit plate can be limited and the parts can be well fixed.
[0017] 2. The bevel gear half-shaft gear finishing fixture is used to make the parts more stable during processing. After the parts are limited, the staff manually moves the rotating block to rotate inside the placement groove, so that the screw rod extends and pushes the limiting part to move toward the rotating part. In this way, the inside of the C-shaped limiting part is just stuck on the outer surface of the rotating part, and the semicircular protrusion on the inner wall of the limiting part is just stuck in the groove set on the outer surface of the rotating part, so that the movable sleeve is limited, which can make the parts more stable during processing. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the three-dimensional left-view structure of the utility model;
[0019] Figure 2 Explosion schematic diagram of the present utility model;
[0020] Figure 3 Enlarged structural schematic diagram of area A of the present utility model;
[0021] Figure 4 Structural schematic diagram of the limit component of the present utility model;
[0022] Figure 5 Structural schematic diagram of the limit plate of the present utility model.
[0023] In the figure: 1, mounting base; 2, mounting rod; 3, movable sleeve; 4, rotating part; 5, threaded rod; 6, placing part; 7, clamping part; 8, limit plate; 9, card slot; 10, fixing part; 11, placing groove; 12, rotating block; 13, lead screw; 14, limiting part. Specific embodiments
[0024] As Figures 1-5 shown, the present utility model provides a technical solution: a finishing fixture for bevel gear half shafts, including a mounting base 1, a mounting rod 2 fixedly connected to the side of the mounting base 1, and a limiting device is arranged on the outer surface of the mounting rod 2. The limiting device includes a movable sleeve 3, a rotating part 4, a threaded rod 5, a placing part 6, a clamping part 7, a limit plate 8 and a card slot 9.
[0025] In the embodiment of the utility model, the movable sleeve 3 is arranged on the outer surface of the mounting rod 2, the movable sleeve 3 is arranged to penetrate the mounting rod 2, the center of the movable sleeve 3 corresponds to the center of the mounting rod 2, so that the movable sleeve 3 can be rotated well, the outer surface of the movable sleeve 3 is fixedly connected with a rotating member 4, the internal thread of the movable sleeve 3 is connected with a threaded rod 5, the inner wall of the movable sleeve 3 is provided with a double thread groove, the placement member 6 is rotatably connected to the upper surface of the threaded rod 5, the placement member 6 is arranged in an L shape, and the horizontal straight portion of the placement member 6 is an arc shaped setting, a semicircular rubber convex strip is set on the side of the vertical part of the placement piece 6, and a clamp 7 is fixedly connected to the side of the placement piece 6. The clamp 7 is set in an L shape. The number of the clamps 7 is two, and the two clamps 7 are symmetrically arranged at the center of the placement piece 6. The size of the clamp 7 is adapted to the size of the card slot 9, so that the clamp 7 can be well inserted into the card slot 9. The limit plate 8 is sleeved on the outer surface of the mounting rod 2, and a convex strip is set on the side of the limit plate 8. The limit plate 8 is set in a circular shape, and a card slot 9 is opened on the side of the limit plate 8. The position of 9 corresponds to the position of the card member 7. The card slots 9 are evenly distributed on the side of the limit plate 8 in a linear array, so that parts with different inner diameters can be limited. The outer surface of the mounting rod 2 is fixedly connected with a fixing member 10. A placement groove 11 is opened on the top of the fixing member 10. A rotating block 12 is rotatably connected to the side of the inner wall of the placement groove 11. A screw rod 13 is threadedly connected to the internal thread of the rotating block 12. The end of the screw rod 13 is rotatably connected to a limiting member 14. The limiting member 14 is set in a C shape, and a semicircular convex is set on the inner wall of the limiting member 14. Block, so that after the part is limited, the staff can manually move the rotating block 12 to make the rotating block 12 rotate inside the placement groove 11, so that the screw rod 13 extends and pushes the limiting member 14 to move toward the rotating member 4, so that the inside of the C-shaped limiting member 14 can be just stuck on the outer surface of the rotating member 4, and the semicircular protrusion on the inner wall of the limiting member 14 can be just stuck in the groove set on the outer surface of the rotating member 4, so that the movable sleeve 3 is limited, which can make the part more stable during processing.
[0026] In the utility model, when in use, the part is placed on the outer surface of the mounting rod 2 so that the side of the part fits with the side of the vertical part of the placement piece 6, and then the limit plate 8 is sleeved on the outer surface of the mounting rod 2 and contacts the part, and the convex strips arranged on the side of the limit plate 8 are just inserted into the outer teeth arranged on the outer surface of the part, and at the same time, the L-shaped clamp 7 is inserted into the inside of the clamping groove 9, so that the rotating part 4 allows the movable sleeve 3 to rotate, so that the threaded rod 5 can extend out of the movable sleeve 3 to make the placement piece 6 move upward, so that the upper surface of the horizontal part of the placement piece 6 contacts the inner wall of the part, and at the same time, the clamp 7 moves upward inside the clamping groove 9, so that the limit plate 8 can be limited and the part can be well fixed.
[0027] Further, after the part is limited, the staff uses their hand to turn the rotating block 12, causing the rotating block 12 to rotate inside the placement groove 11, extending the lead screw 13 and pushing the limiting member 14 towards the rotating member 4. In this way, the inside of the C-shaped limiting member 14 can just be stuck on the outer surface of the rotating member 4, and the semi-circular convex block provided on the inner wall of the limiting member 14 can just be stuck inside the groove provided on the outer surface of the rotating member 4, thereby limiting the movable sleeve 3. This can make the part more stable during processing.
[0028] The above has generally described the present invention in detail. However, based on the present invention, some modifications or improvements can be made, which are obvious to those of ordinary skill in the technical field. Therefore, modifications or improvements made without departing from the spirit of the present invention are within the protection scope of the present invention.
Claims
1. A bevel gear half-shaft gear finishing fixture, comprising a mounting seat (1), a mounting rod (2) being fixedly connected to a side of the mounting seat (1), characterized in that: A limiting device is provided on the outer surface of the mounting rod (2), and the limiting device comprises: A movable sleeve (3), the movable sleeve (3) being arranged on the outer surface of the mounting rod (2), the outer surface of the movable sleeve (3) being fixedly connected to a rotating member (4), the inner part of the movable sleeve (3) being threadedly connected to a threaded rod (5), and the inner wall of the movable sleeve (3) being provided with a double thread groove; A placement piece (6), the placement piece (6) being rotatably connected to the upper surface of the threaded rod (5), the placement piece (6) being arranged in an L-shape, and the horizontal portion of the placement piece (6) being arranged in an arc shape, and the side portion of the vertical portion of the placement piece (6) being arranged with a semicircular rubber convex strip, and the side portion of the placement piece (6) being fixedly connected with a clamping piece (7), and the clamping piece (7) being arranged in an L-shape; A limit plate (8), the limit plate (8) is sleeved on the outer surface of the mounting rod (2), a convex strip is arranged on the side of the limit plate (8), the limit plate (8) is arranged in a circular shape, and a slot (9) is opened on the side of the limit plate (8).
2. A bevel gear axle gear finishing fixture according to claim 1, characterized in that: The movable sleeve (3) is arranged to penetrate the mounting rod (2), and the center of the movable sleeve (3) corresponds to the center of the mounting rod (2).
3. A bevel gear axle gear finishing fixture according to claim 1, characterized in that: The position of the card slots (9) corresponds to the position of the card member (7), and the card slots (9) are evenly distributed on the side of the limiting plate (8) in a linear array.
4. A bevel gear axle gear finishing fixture according to claim 1, characterized in that: The number of the clamping members (7) is two, and the two clamping members (7) are symmetrically arranged at the center of the placement member (6), and the size of the clamping member (7) is adapted to the size of the clamping slot (9).
5. The bevel gear axle gear finishing fixture according to claim 1, characterized in that: A fixing piece (10) is fixedly connected to the outer surface of the mounting rod (2); a placement groove (11) is provided on the top of the fixing piece (10); a rotating block (12) is rotatably connected to the inner wall side of the placement groove (11); a screw rod (13) is internally threadedly connected to the rotating block (12); and an end of the screw rod (13) is rotatably connected to a limiting piece (14).
6. A bevel gear axle gear finishing fixture according to claim 5, characterized in that: The limiting member (14) is arranged in a C shape, and a semicircular protrusion is arranged on the inner wall of the limiting member (14).