Casing milling groove machining clamp
By designing a milling groove processing fixture for the receiver, the use of components such as mounting seats, positioning columns, positioning rods, mounting frames, press plates and telescopic rods, the problem of vibration deviation during the processing process is solved, and the effect of improving the milling groove accuracy is achieved.
Patent Information
- Application Number
- CN202422134410.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-02
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-09-02
AI Technical Summary
During the milling groove processing of the receiver, the receiver is prone to vibration and deviation due to stress, affecting the accuracy of the milling groove.
A receiver milling groove machining fixture is designed, including mounting seats, positioning columns, positioning rods, mounting frames, press plates and telescopic rods. Through the use of these components, the receiver can be firmly installed and the movement of the receiver can be restricted through the drive parts to ensure machining accuracy.
This fixture can effectively reduce the vibration of the receiver during processing, improve the accuracy of the milling groove, and ensure that the outer and inner walls of the receiver can be accurately processed.
Smart Images
Figure CN223028550U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tooling fixtures, in particular to a fixture for machining grooves on a casing. Background Art
[0002] The casing is one of the important parts of an aero-engine, mostly made of titanium alloy material. It is the base of the whole engine and the main load-bearing component on the aero-engine.
[0003] The casing used in an aero-engine is usually annular. During the production process, it is necessary to machine grooves on the inner and outer walls of the casing so that the casing can be fitted and installed with other components. During the cutting process of the milling cutter, the casing is prone to vibration and deviation under force, thus affecting the groove machining accuracy. Therefore, it is necessary to provide a fixture for machining grooves on a casing. Summary of the Utility Model
[0004] In view of the above problems, the utility model provides a fixture for machining grooves on a casing.
[0005] In order to achieve the above invention purpose, the technical scheme adopted by the utility model is as follows:
[0006] Provide a fixture for machining grooves on a casing, including a mounting seat for vertically mounting the casing. A positioning post for inserting into the bottom of the casing is provided on the mounting seat. A plurality of positioning rods for contacting the inner side wall of the casing are arranged on the outer wall of the positioning post along its circumferential direction. An installation frame is rotatably arranged on one side of the positioning post on the mounting seat, and the axis of the rotating shaft of the installation frame is horizontal. A pressing plate is slidably arranged on the installation frame along the direction perpendicular to its rotating shaft. When the movable end of the installation frame contacts the mounting seat, the pressing plate is located directly above the casing. A driving member for driving the pressing plate to move downward to press the casing is provided on the installation frame. A first limiting member for restricting the rotation of the installation frame is provided on the mounting seat. A plurality of telescopic rods for contacting the outer side of the top edge of the casing are also rotatably arranged on the mounting seat outside the positioning post. A hook for extending into the inner side wall of the top of the casing is provided at the movable end of the telescopic rod.
[0007] Further, the positioning rod includes a first mounting cylinder and a screw rod threadedly connected in the first mounting cylinder. One end of the screw rod is fixedly arranged on the outer wall of the positioning post along the radial direction of the positioning post, and the movable end of the first mounting cylinder is in movable contact with the inner side wall of the casing.
[0008] Further, the driving member includes a cylinder. The cylinder is arranged on the installation frame parallel to the movement of the pressing plate, and the pressing plate is connected to the piston rod of the cylinder.
[0009] Further, the first limiting member includes a first limiting bolt. An installation block is fixedly provided at the movable end of the mounting bracket. When the moving direction of the pressing plate is parallel to the axis of the casing, the installation block contacts the mounting seat. A through hole for the first limiting bolt to pass through is provided on the installation block, and a first threaded hole adapted to the first limiting bolt is provided on the mounting seat at the portion in contact with the installation block. After the first limiting bolt passes through the through hole, it is threadedly connected to the first threaded hole.
[0010] Further, the telescopic rod includes a second installation cylinder and a sliding rod slidably disposed within the second installation cylinder. The second installation cylinder is rotatably disposed on the mounting seat. The hook is provided at the movable end of the sliding rod. A second limiting member for restricting the movement of the sliding rod relative to the second installation cylinder is provided on the second installation cylinder.
[0011] Further, the second limiting member includes a second limiting bolt. A second threaded hole adapted to the second limiting bolt is provided on the outer wall of the second installation cylinder. The second limiting bolt is threadedly connected to the second threaded hole and is in movable abutment with the outer wall of the sliding rod.
[0012] The beneficial effects of the present utility model are as follows: The staff coaxially sleeved the casing to be processed outside the positioning column and made the positioning rod contact the inner wall of the casing; then rotated the mounting bracket and moved the pressing plate to directly above the casing, and then the pressing plate could be driven by the driving member to press down the casing to restrict the movement of the casing on the mounting seat, so that the milling groove operation could be carried out on the outer wall of the casing; after the outer wall of the casing was processed, the pressing plate was driven by the driving member to move upward and release the casing, then the mounting bracket was rotated to make the pressing plate leave above the casing, and then the telescopic rod was rotated and adjusted, so that the hook could extend into the inner side of the top of the casing. After fixing the length of the telescopic rod, the movement of the casing on the mounting seat could be restricted, so as to facilitate the staff to carry out the milling groove operation on the inner wall of the casing. A casing milling groove processing fixture of the present application can firmly mount the casing on the mounting seat, reduce the vibration degree of the casing during the processing process, and has the effect of improving the milling groove accuracy of the casing. Description of the Drawings
[0013] Figure 1 It is a schematic diagram of the overall structure of a casing milling groove processing fixture according to an embodiment of the present application.
[0014] Figure 2 It is a schematic diagram of the processing state of the outer wall of the casing of a casing milling groove processing fixture according to an embodiment of the present application.
[0015] Figure 3 It is a schematic diagram of the processing state of the inner wall of the casing of a casing milling groove processing fixture according to an embodiment of the present application.
[0016] Figure 4 is Figure 1 A partial enlarged schematic diagram of part A in
[0017] Figure 5 isFigure 3 Partial enlarged schematic diagram of part B in the middle.
[0018] Wherein, 1. Mounting base; 2. Positioning post; 3. Positioning rod; 31. First mounting cylinder; 32. Screw rod; 4. Mounting frame; 41. Mounting block; 5. Pressing plate; 6. Driving member; 61. Cylinder; 7. First limit bolt; 8. Telescopic rod; 81. Second mounting cylinder; 82. Slide bar; 83. Hook; 9. Second limit bolt; 10. Casing. Specific implementation manner
[0019] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings of the specification and specific implementation manners.
[0020] An embodiment of the present application discloses a casing milling groove processing fixture. Referring to Figure 1 , Figure 2 and Figure 3 , it includes a mounting base 1 for vertically mounting the casing 10. A positioning post 2 for inserting into the bottom of the casing 10 is welded on the mounting base 1. A plurality of positioning rods 3 for contacting the inner side wall of the casing 10 are installed on the outer wall of the positioning post 2 along its circumferential direction. A mounting frame 4 is rotatably arranged on one side of the positioning post 2 on the mounting base 1, and the axis of the rotating shaft of the mounting frame 4 is horizontal. A pressing plate 5 is slidably arranged on the mounting frame 4 along a direction perpendicular to its rotating shaft. When the movable end of the mounting frame 4 contacts the mounting base 1, the pressing plate 5 is located directly above the casing 10. A driving member 6 for driving the pressing plate 5 to move downward to press the casing 10 is installed on the mounting frame 4, and a first limiting member for restricting the rotation of the mounting frame 4 is installed on the mounting base 1. A plurality of telescopic rods 8 for contacting the outer side of the top edge of the casing 10 are also rotatably arranged on the mounting base 1 outside the positioning post 2. A hook 83 for extending into the inner side wall of the top of the casing 10 is installed at the movable end of the telescopic rod 8.
[0021] In the embodiment of the present application, the staff coaxially sleeved the casing 10 to be processed outside the positioning post 2 and made the positioning rod 3 contact the inner wall of the casing 10. Then rotate the mounting frame 4 and move the pressing plate 5 to directly above the casing 10. Then, the driving member 6 can be used to drive the pressing plate 5 to press the casing 10 downward to restrict the movement of the casing 10 on the mounting base 1, and thus the milling groove operation can be performed on the outer wall of the casing 10. After the outer wall of the casing 10 is processed, the driving member 6 is used to drive the pressing plate 5 to move upward and release the casing 10. Then rotate the mounting frame 4 to make the pressing plate 5 leave above the casing 10. Then rotate and adjust the telescopic rod 8, and the hook 83 can be extended into the inner side of the top of the casing 10. After fixing the length of the telescopic rod 8, the movement of the casing 10 on the mounting base 1 can be restricted, so that the staff can perform the milling groove operation on the inner wall of the casing 10. A casing milling groove processing fixture of the present application can firmly mount the casing 10 on the mounting base 1, reduce the vibration degree of the casing 10 during the processing, and has the effect of improving the milling groove precision of the casing 10.
[0022] Refer to Figure 4 , the positioning rod 3 includes a first mounting cylinder 31 and a screw rod 32 threadedly connected inside the first mounting cylinder 31. One end of the screw rod 32 is welded and fixed to the outer wall of the positioning column 2 along the radial direction of the positioning column 2, and the movable end of the first mounting cylinder 31 is in movable contact with the inner side wall of the casing 10.
[0023] In the embodiment of the present application, the inner diameters of the casings 10 of different models and sizes are different. According to the inner diameter of the casing 10 to be processed, the first mounting cylinder 31 can be rotated to adjust the length of the positioning rod 3 so that when the casing 10 is sleeved on the positioning column 2, the movable ends of multiple first mounting cylinders 31 can be in contact with the inner wall of the casing 10 at the same time. In this way, the fixture can position casings 10 with various inner diameter sizes, and has the effect of improving the versatility of the fixture.
[0024] Specifically, the driving member 6 includes a cylinder 61. The cylinder 61 is parallel to the movement of the pressing plate 5 and is installed on the mounting frame 4. The pressing plate 5 is bolted to the piston rod of the cylinder 61.
[0025] Specifically, the first limiting member includes a first limiting bolt 7. A mounting block 41 is welded to the movable end of the mounting frame 4. When the moving direction of the pressing plate 5 is parallel to the axis of the casing 10, the mounting block 41 contacts the mounting seat 1. A through hole for the first limiting bolt 7 to pass through is opened on the mounting block 41, and a first threaded hole adapted to the first limiting bolt 7 is opened on the mounting seat 1 at the position where it contacts the mounting block 41. After the first limiting bolt 7 passes through the through hole, it is threadedly connected to the first threaded hole. The rotation of the mounting frame 4 relative to the mounting seat 1 can be restricted by the first limiting bolt 7.
[0026] Refer to Figure 5 , the telescopic rod 8 includes a second mounting cylinder 81 and a sliding rod 82 slidably disposed inside the second mounting cylinder 81. The second mounting cylinder 81 is rotatably disposed on the mounting seat 1. A hook 83 is bolted to the movable end of the sliding rod 82, and a second limiting member for restricting the movement of the sliding rod 82 relative to the second mounting cylinder 81 is installed on the second mounting cylinder 81.
[0027] In the embodiment of the present application, when the second mounting cylinder 81 is rotated, sliding the sliding rod 82 can ensure that the hook 83 can extend into the inside of the top of the casing 10. Subsequently, the movement of the sliding rod 82 relative to the second mounting cylinder 81 can be restricted by the second limiting bolt 9, so as to achieve the effect of restricting the movement of the casing 10.
[0028] Specifically, the second limiting member includes a second limiting bolt 9. A second threaded hole adapted to the second limiting bolt 9 is opened on the outer wall of the second mounting cylinder 81. The second limiting bolt 9 is threadedly connected to the second threaded hole and is in movable abutment with the outer wall of the sliding rod 82. The movement of the sliding rod 82 relative to the second mounting cylinder 81 can be restricted by the second limiting bolt 9.
[0029] The implementation principle of a machining fixture for milling slots on a casing in an embodiment of the present application is as follows: The staff coaxially sleevs the casing 10 to be machined outside the positioning post 2 and makes the positioning rod 3 contact the inner wall of the casing 10. Subsequently, the mounting bracket 4 is rotated and the pressing plate 5 is moved above the casing 10. Then, the driving member 6 can drive the pressing plate 5 to press down the casing 10 to restrict the movement of the casing 10 on the mounting base 1, and thus the milling operation can be performed on the outer wall of the casing 10. After the machining of the outer wall of the casing 10 is completed, the driving member 6 drives the pressing plate 5 to move upward and release the casing 10. Then, the mounting bracket 4 is rotated to make the pressing plate 5 move away from above the casing 10. Next, the telescopic rod 8 is rotated and adjusted so that the hook 83 extends into the inner side of the top of the casing 10. After the length of the telescopic rod 8 is fixed, the movement of the casing 10 on the mounting base 1 can be restricted, so that the staff can perform the milling operation on the inner wall of the casing 10. A machining fixture for milling slots on a casing of the present application can firmly mount the casing 10 on the mounting base 1, reduce the vibration degree of the casing 10 during the machining process, and has the effect of improving the milling accuracy of the casing 10.
[0030] Those skilled in the art should understand that although the preferred embodiments of the present invention have been described, once the basic creative concepts are known to those skilled in the art, additional changes and modifications can be made to these embodiments. Therefore, the appended claims are intended to be construed to include the preferred embodiments and all changes and modifications falling within the scope of the present invention. Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention is also intended to include these changes and modifications.
Claims
1. A casing milling groove processing fixture, characterized in that: The invention comprises a mounting seat (1) for vertically mounting a casing (10), wherein the mounting seat (1) is provided with a positioning column (2) for being inserted into the bottom of the casing (10), and the outer wall of the positioning column (2) is provided with a plurality of positioning rods (3) for contacting the inner wall of the casing (10) along its own circumference, and a mounting frame (4) is rotatably arranged on one side of the positioning column (2) on the mounting seat (1), and the axis of the rotating shaft of the mounting frame (4) is horizontal, and a pressing plate (5) is slidably arranged on the mounting frame (4) along a direction perpendicular to its own rotating shaft, and when the movable end of the mounting frame (4) is When in contact with the mounting seat (1), the pressure plate (5) is located directly above the casing (10); the mounting frame (4) is provided with a driving member (6) for driving the pressure plate (5) to move to press the casing (10); the mounting seat (1) is provided with a first limit member for limiting the rotation of the mounting frame (4); the mounting seat (1) is also provided with a plurality of telescopic rods (8) rotatably arranged on the outside of the positioning column (2) for contacting the outside of the top edge of the casing (10); the movable end of the telescopic rod (8) is provided with a hook (83) for extending into the inner wall of the top of the casing (10).
2. The casing milling groove processing fixture according to claim 1, characterized in that: The positioning rod (3) comprises a first mounting tube (31) and a screw rod (32) threadedly connected in the first mounting tube (31), one end of the screw rod (32) is fixedly arranged on the outer wall of the positioning column (2) along the radial direction of the positioning column (2), and the movable end of the first mounting tube (31) is in movable contact with the inner wall of the casing (10).
3. The casing milling groove processing fixture according to claim 1, characterized in that: The driving member (6) comprises a cylinder (61), the cylinder (61) is parallel to the movement of the pressure plate (5) and is arranged on the mounting frame (4), and the pressure plate (5) is connected to the piston rod of the cylinder (61).
4. The casing milling groove processing fixture according to claim 1, characterized in that: The first limiting member comprises a first limiting bolt (7); a mounting block (41) is fixedly provided at the movable end of the mounting frame (4); when the moving direction of the pressure plate (5) is parallel to the axis of the casing (10), the mounting block (41) contacts the mounting seat (1); a through hole for the first limiting bolt (7) to pass through is provided on the mounting block (41); a first threaded hole having a size matching that of the first limiting bolt (7) is provided on the mounting seat (1) at a portion in contact with the mounting block (41); the first limiting bolt (7) passes through the through hole and is threadedly connected in the first threaded hole.
5. The casing milling groove processing fixture according to claim 1, characterized in that: The telescopic rod (8) comprises a second mounting tube (81) and a sliding rod (82) slidably arranged in the second mounting tube (81); the second mounting tube (81) is rotatably arranged on the mounting seat (1); the hook (83) is arranged at the movable end of the sliding rod (82); and the second mounting tube (81) is provided with a second limiting member for limiting the movement of the sliding rod (82) relative to the second mounting tube (81).
6. A casing slot milling fixture according to claim 5, characterized in that: The second limiting member comprises a second limiting bolt (9); a second threaded hole having a size matching that of the second limiting bolt (9) is provided on the outer wall of the second mounting tube (81); the second limiting bolt (9) is threadedly connected in the second threaded hole and movably abuts against the outer wall of the sliding rod (82).