Clamp for gear machining
By designing gear clamps with pneumatic and telescopic devices, the problems of gear fixation damage and insufficient dimensional adaptability in the prior art are solved, and the stable fixation and precise processing of different gears are achieved.
Patent Information
- Application Number
- CN202420658831.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-04-01
AI Technical Summary
Existing gear machining fixtures are prone to damage when fixing gears, and cannot adapt to the differences in the size of the inner bore and grooves of different gears, resulting in limited machining accuracy and practicality.
A fixture including a tabletop, fixed column, telescopic device and cogging support plate is designed. The pneumatic device is driven by the air pump to drive the inner support plate to fix the gear hole, and the telescopic device drives the rod head plate and cogging support plate to adapt to different cogging sizes. , use pneumatic rods and springs to achieve a stable connection.
The clamp uses pneumatic and telescopic devices to achieve stable fixation of the gear, avoid damage, and adapt to different gear sizes, improving machining accuracy and practicality.
Smart Images

Figure CN222269372U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of gear processing devices, in particular to a clamp for gear processing. Background Art
[0002] Gears are common transmission parts. When they are processed, mechanical methods are used to obtain the specific structure and precision of the gears. The processing accuracy will affect the transmission accuracy. Most of the existing gear processing fixtures clamp the sides and outer diameters of the gears. During processing, the gears are likely to be damaged, which seriously reduces the practicality of gear processing.
[0003] During the gear processing process, the gears need to be fixed to facilitate subsequent processing. However, the different models of gears lead to different fixations of different gears. The inner hole sizes and tooth groove sizes of different gears are inconsistent, so a fixture for gear processing is proposed. Utility Model Content
[0004] The purpose of the utility model is to provide a fixture for gear processing to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixture for gear processing, comprising a desktop, a fixed column, a telescopic device, and a tooth groove support plate; a positioning plate is arranged in the middle of the desktop, vertical plates are arranged on both sides of the positioning plate, plate grooves are arranged on the vertical plates, the fixed column is arranged in the middle of the positioning plate, a column groove is arranged on the fixed column, an inner support plate is arranged inside the column groove, the telescopic device is arranged on the vertical plate, a telescopic rod is arranged on the telescopic device, the telescopic rod passes through the plate groove, a rod head plate is arranged on the telescopic rod, an inner groove is arranged on the rod head plate, the tooth groove support plate is arranged next to the rod head plate, an air pump is arranged at the bottom of the desktop, a connecting column is arranged on the air pump, and the connecting column passes through the desktop and extends into the fixed column.
[0006] Preferably, a pneumatic device is provided on the connecting column, the pneumatic device is fixed on the connecting column, the position of the pneumatic device is set in the column groove, and a pneumatic rod is provided on the pneumatic device, the pneumatic rod is connected to and fixed to the inner support plate, and the pneumatic device pushes the inner support plate out through the pneumatic rod to fix the gear.
[0007] Preferably, a pipeline is provided inside the connecting column to connect the air pump and the pneumatic device.
[0008] Preferably, a support plate shaft is provided between the tooth groove support plates, a movable limiting rod is provided on the support plate shaft, the movable limiting rod is arranged inside the inner groove, and the movable limiting rod connects the tooth groove support plate and the inside of the rod head plate.
[0009] Preferably, a spring is provided on the toothed support plate, one end of the spring is fixed inside the toothed support plate, and the other end of the spring is fixed to the rod head plate. The connection between the toothed support plate and the rod head plate is strengthened by the spring, and the toothed support plate can be pulled back when not in use.
[0010] Preferably, the surface of the inner support plate is an arc surface, and an anti-skid layer is provided on the surface of the inner support plate, and the anti-skid layer prevents slipping when the gear is fixed.
[0011] Compared with the prior art, the beneficial effects of the utility model are: the air pump is connected to the pneumatic device, the pneumatic device drives the inner support plate to move, and the inner wall of the inner hole of the gear is fixed by the inner support plate; the telescopic device drives the rod head plate to move, and the tooth groove support plate on the rod head plate adapts to the gear tooth groove, thereby adapting to gears with different tooth groove sizes, fixing the gear tooth groove, and thus fixing the gear. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0013] Figure 2 It is a side structural schematic diagram of the utility model;
[0014] Figure 3 This is a schematic diagram of the air pump structure of the utility model;
[0015] Figure 4 This is a schematic diagram of the tooth groove support plate structure of the utility model;
[0016] Numbers in the figure: 1. table top; 11. vertical board; 12. board slot; 13. positioning plate; 2. fixing column; 21. column slot; 22. air pump; 23. connecting column; 24. pneumatic device; 25. pneumatic rod; 26. inner support plate; 3. telescopic device; 31. telescopic rod; 32. rod head plate; 4. toothed support plate; 41. support plate shaft; 42. movable limit rod; 43. spring. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0019] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0020] See also Figure 1-4 The utility model provides a technical solution: a fixture for gear processing, comprising a desktop 1, a fixed column 2, a telescopic device 3, and a toothed support plate 4; a positioning plate 13 is arranged in the middle position of the desktop 1, vertical plates 11 are arranged on both sides of the positioning plate 13, and a plate groove 12 is arranged on the vertical plate 11, the fixed column 2 is arranged in the middle position of the positioning plate 13, a column groove 21 is arranged on the fixed column 2, and an inner support plate 26 is arranged inside the column groove 21, the telescopic device 3 is arranged on the vertical plate 11, a telescopic rod 31 is arranged on the telescopic device 3, the telescopic rod 31 passes through the plate groove 12, a rod head plate 32 is arranged on the telescopic rod 31, and an inner groove is arranged on the rod head plate 32, the toothed support plate 4 is arranged next to the rod head plate 32, an air pump 22 is arranged at the bottom of the desktop 1, and a connecting column 23 is arranged on the air pump 22, and the connecting column 23 passes through the desktop 1 and extends into the fixed column 2.
[0021] Furthermore, a pneumatic device 24 is provided on the connecting column 23, and the pneumatic device 24 is fixed on the connecting column 23. The pneumatic device 24 is positioned in the column groove 21. A pneumatic rod 25 is provided on the pneumatic device 24, and the pneumatic rod 25 is connected to and fixed to an inner support plate 26. The pneumatic device 24 pushes the inner support plate 26 out through the pneumatic rod 25 to fix the gear.
[0022] Furthermore, a pipeline is provided inside the connecting column 23 to connect the air pump 22 and the pneumatic device 24 .
[0023] Furthermore, a support plate shaft 41 is provided between the toothed support plates 4, and a movable limiting rod 42 is provided on the support plate shaft 41. The movable limiting rod 42 is arranged inside the inner groove, and the movable limiting rod 42 connects the toothed support plates 4 and the inside of the rod head plate 32.
[0024] Furthermore, a spring 43 is provided on the toothed support plate 4, one end of the spring 43 is fixed inside the toothed support plate 4, and the other end of the spring 43 is fixed on the rod head plate 32. The connection between the toothed support plate 4 and the rod head plate 32 is strengthened by the spring 43, and the toothed support plate 4 can be pulled back when not in use.
[0025] Furthermore, the surface of the inner support plate 26 is an arc surface, and an anti-skid layer is provided on the surface of the inner support plate 26, and the anti-skid layer prevents the gear from slipping when being fixed.
[0026] Working principle: the gear is placed on the desktop 1, the middle hole of the gear passes through the fixed column 2, the pneumatic rod 25 on the pneumatic device 24 drives the inner support plate 26 to move, and the middle inner wall of the gear is fixed. The telescopic device 3 is set to push out the telescopic rod 31, and the tooth groove support plate 4 on the rod head plate 32 extends into the gear tooth groove, and the support plate shaft 41 extends into the innermost part of the tooth groove. The rod head plate 32 moves forward, and the angle between the tooth groove support plates 4 becomes larger until the tooth groove support plates 4 and the inner wall of the gear tooth groove fit together, thereby adapting to and fixing tooth grooves of different sizes.
[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A fixture for gear processing, characterized in that: The invention comprises a table top (1), a fixed column (2), a telescopic device (3), and a toothed support plate (4); a positioning plate (13) is arranged in the middle of the table top (1), vertical plates (11) are arranged on both sides of the positioning plate (13), and a plate groove (12) is arranged on the vertical plates (11); the fixed column (2) is arranged in the middle of the positioning plate (13), a column groove (21) is arranged on the fixed column (2), an inner support plate (26) is arranged inside the column groove (21), and the telescopic device (3) is arranged on the vertical plates (11). The board (11) is provided with a telescopic rod (31) on the telescopic device (3), the telescopic rod (31) passes through the board groove (12), the telescopic rod (31) is provided with a rod head plate (32), the rod head plate (32) is provided with an inner groove, the tooth groove support plate (4) is arranged beside the rod head plate (32), the bottom of the table top (1) is provided with an air pump (22), the air pump (22) is provided with a connecting column (23), and the connecting column (23) passes through the table top (1) and extends into the interior of the fixed column (2).
2. A fixture for gear processing according to claim 1, characterized in that: The connecting column (23) is provided with a pneumatic device (24), the pneumatic device (24) is fixed on the connecting column (23), the pneumatic device (24) is arranged in the column groove (21), and the pneumatic device (24) is provided with a pneumatic rod (25), and the pneumatic rod (25) is connected to and fixed to the inner support plate (26).
3. A fixture for gear processing according to claim 1, characterized in that: A pipeline is arranged inside the connecting column (23) to connect the air pump (22) and the pneumatic device (24).
4. The fixture for gear processing according to claim 1, characterized in that: A support plate shaft (41) is arranged between the tooth groove support plates (4), a movable limiting rod (42) is arranged on the support plate shaft (41), and the movable limiting rod (42) is arranged inside the inner groove.
5. The fixture for gear processing according to claim 1, characterized in that: A spring (43) is arranged on the tooth groove support plate (4), one end of the spring (43) is fixed inside the tooth groove support plate (4), and the other end of the spring (43) is fixed on the rod head plate (32).
6. A fixture for gear processing according to claim 1, characterized in that: The surface of the inner support plate (26) is a curved surface, and an anti-slip layer is provided on the surface of the inner support plate (26).