Aircraft combustion chamber shell machining clamp
By designing a machining fixture for aircraft combustion chamber shells that can rotate, disassemble, and hold components, the problem of existing fixtures being unable to rotate has been solved, achieving efficient and precise machining and easy fixture operation, thereby improving production efficiency and machining accuracy.
Patent Information
- Application Number
- CN202520006049.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-03
AI Technical Summary
Existing fixtures cannot support the rotation of the combustion chamber shell, resulting in low processing efficiency, poor accuracy, and complex operation. The design of the fixed base is not flexible or user-friendly enough, which affects production efficiency and processing accuracy.
An aircraft combustion chamber shell machining fixture was designed, comprising a rotating component, a disassembly component, and a clamping component. The fixture achieves precise rotational positioning of the workpiece through motor drive and cylinder control, simplifying the disassembly and installation process of the fixture and improving the stability and replacement efficiency of the workpiece.
It achieves precise rotational positioning of the workpiece, improves the flexibility and accuracy of processing, simplifies the disassembly and installation of the fixture, reduces operational complexity, and improves processing efficiency and workpiece stability.
Smart Images

Figure CN223604336U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to processing fixture technical field, more specifically, it relates to an aircraft combustion chamber shell processing fixture. BACKGROUND
[0002] In the prior art, in the process of processing the combustion chamber shell, the shell needs to be processed at multiple angles to meet the fine processing requirements, however, the design of the existing fixture does not support rotating operation of the combustion chamber shell, which means that every time the processing angle needs to be changed, the operator must manually release the fixture, adjust the position of the shell, and then fix it again, which not only greatly reduces the work efficiency, but also increases the complexity of the operation, and more likely to introduce human error in the multiple manual operations, affecting the processing precision.
[0003] The fixing seat of the existing fixture is not flexible enough, and the disassembly process is complicated. In actual operation, due to the diversity of workpiece size and shape, the fixture often needs to be adjusted or completely disassembled to adapt to different workpieces, but the disassembly process of the fixture fixing seat in the prior art is time-consuming and labor-intensive, not only increases the labor intensity of the workers, but also prolongs the adjustment and replacement time of the equipment, which is obviously not conducive to the modern production line that pursues efficiency and flexibility.
[0004] In addition to the inconvenience of the disassembly process, the fixing seat of the existing fixture also has problems in the installation process, because the design is not humanized enough, the installation of the fixing seat often needs special tools and skills, which not only limits the universality of the fixture, but also brings additional learning and operation burden to the operators. CONTENT OF THE UTILITY MODEL
[0005] (I) Technical problem solved
[0006] In view of the problems existing in the prior art, the utility model provides an aircraft combustion chamber shell processing fixture to solve the technical problem that the design of the existing fixture does not support rotating operation of the combustion chamber shell mentioned in the background art.
[0007] (II) Technical scheme
[0008] In order to achieve the above object, the utility model provides the following technical scheme: an aircraft combustion chamber shell processing fixture, including fixed platform, be provided with rotating assembly on the fixed platform, rotating assembly includes fixed block, cylinder, movable seat, fixed link, mount and rubber block, fixed block is fixedly installed on the fixed platform, cylinder is fixedly installed on the fixed block, movable seat is connected on the output of cylinder, fixed link is connected on movable seat, mount is connected in one end of fixed link, rubber block is installed on the mount, movable seat is provided with disassembly component, the disassembly component includes installation sleeve, moving block and rotating block, installation sleeve is detachably installed on movable seat, moving block is connected on installation sleeve, rotating block is rotatably connected on moving block.
[0009] The utility model further sets up, install fixed disc on the fixed platform, be equipped with the rotating disc on the fixed disc rotation connection, open the placing groove on the rotating disc, through the cooperation of each component makes the completion to the placing process of shell.
[0010] The utility model further sets up, install motor on the bottom of fixed disc, the output of motor is equipped with drive wheel, be equipped with driven wheel on the meshing connection of drive wheel, driven wheel is connected with rotating disc, through the cooperation of each component makes the completion to the rotation process of driven wheel.
[0011] The utility model further sets up, install rotating rod on rotating block, install locking block on installation sleeve, rotating rod is stuck on locking block, through the cooperation of each component makes the completion to the rotation process of rotating rod.
[0012] The utility model further sets up, open through groove on locking block, through groove is matched with rotating rod, through the use of through groove makes the completion to the movement process of rotating rod.
[0013] The utility model further sets up, set up clamping assembly on installation sleeve, clamping assembly includes locking rod, first tension spring and locking groove, locking rod is connected on installation sleeve, first tension spring is connected on the rod and installation sleeve, one end of locking rod and the inboard of moving block abut, locking groove is opened on fixed link, locking groove is matched with locking rod, through the cooperation of each component makes the completion to the compression process of first tension spring.
[0014] The utility model further sets up, install guide rod on installation sleeve, moving block is connected on guide rod, through the use of guide rod promotes the movement process of moving block.
[0015] The utility model further sets up, the second tension spring is connected with on the guide rod, the both ends of second tension spring and the moving block and the mounting sleeve abut, through using second tension spring makes the compression process to it is completed.
[0016] (Three) beneficial effects
[0017] Compared with the prior art, the utility model provides an aircraft combustion chamber shell machining clamp, has the following beneficial effects:
[0018] 1, through the linkage of motor, drive wheel, driven wheel and rotary disc, the rotation assembly can realize the accurate rotation positioning of workpiece, which means that during the machining process, the angle of the workpiece can be adjusted as needed, so that the machining is more accurate and efficient, and the machining error caused by improper angle is avoided, since the workpiece angle can be adjusted without releasing the clamp fixation, the flexibility and accuracy of the machining are greatly improved, the possibility of machining error is reduced, and the machining efficiency is improved.
[0019] 2, the disassembly assembly is designed through the mounting sleeve, the moving block and the rotating block, the disassembly and installation process of the clamp is simplified, when it is necessary to replace the fixing frame or maintain the clamp, the operation is simple and fast, the requirement for operation skill is significantly reduced, the efficiency of maintenance and replacement is improved, and the design of the disassembly assembly makes the operation more convenient during the fixing or replacement process of the clamped component, reduces the operation complexity, and saves the operation time.
[0020] 3, the locking assembly is used in cooperation with the locking rod, the first tension spring and the locking groove, the quick fixing and releasing of the fixing rod are realized, this design makes the clamping of the clamp on the workpiece more stable and reliable, at the same time, when it is necessary to release or replace the workpiece, it can also be quickly performed, the working efficiency is improved, through the design of the locking assembly, not only the stability of the workpiece during the machining process is ensured, but also the efficiency and stability during frequent replacement of the workpiece or adjustment of the clamp are ensured. ACCURACY
[0021] Figure 1 It is the overall structure schematic view of an aircraft combustion chamber shell machining clamp in the utility model;
[0022] Figure 2 It is the side view structure schematic view in the utility model;
[0023] Figure 3 It is the partial structure schematic view of the rotation assembly in the utility model;
[0024] Figure 4 It is the sectional structure schematic view of the disassembly assembly in the utility model;
[0025] Figure 5 It is the enlarged structure schematic view of A in the utility model;
[0026] Figure 6 It is the cross section side view structure schematic diagram of the disassembling assembly in the utility model.
[0027] In the figure: 1, fixed platform; 2, fixed block; 3, cylinder; 4, moving seat; 5, fixed rod; 6, fixed frame; 7, rubber block; 8, mounting sleeve; 9, moving block; 10, rotating block; 11, fixed disc; 12, rotating disc; 13, placing groove; 14, motor; 15, drive wheel; 16, driven wheel; 17, rotating rod; 18, locking block; 19, through slot; 20, locking rod; 21, first tension spring; 22, locking groove; 23, guide rod; 24, second tension spring. DETAILED DESCRIPTION
[0028] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with embodiments.
[0029] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.
[0030] In the utility model, unless otherwise stated, the orientation such as "up, down" is generally for the direction shown in the drawings, or for the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is generally for the left and right shown in the drawings; "inner, outer" refers to the inner and outer of the contour of each component itself, but the above orientation words are not used to limit the utility model.
[0031] Please refer to Figures 1-6 An aircraft combustion chamber shell machining clamp, including fixed platform 1, the fixed platform 1 is provided with rotating assembly, and the rotating assembly includes fixed block 2, cylinder 3, moving seat 4, fixed rod 5, fixed frame 6 and rubber block 7, the fixed block 2 is fixedly installed on the fixed platform 1, the cylinder 3 is fixedly installed on the fixed block 2, the moving seat 4 is connected at the output end of cylinder 3, the fixed rod 5 is slidably connected on the moving seat 4, the fixed frame 6 is connected at one end of fixed rod 5, and the rubber block 7 is installed on the fixed frame 6, the moving seat 4 is provided with disassembling assembly, and the disassembling assembly includes mounting sleeve 8, moving block 9 and rotating block 10, the mounting sleeve 8 is detachably installed on the moving seat 4, the moving block 9 is slidably connected on the mounting sleeve 8, and the rotating block 10 is rotatably connected on the moving block 9.
[0032] The fixed platform 1 is provided with fixed disc 11, the fixed disc 11 is rotatably connected with rotating disc 12, and the rotating disc 12 is provided with placing groove 13.
[0033] The bottom of the fixed disc 11 is provided with a motor 14, the output end of the motor 14 is connected with a driving wheel 15, the driving wheel 15 is engaged with a driven wheel 16, the driven wheel 16 is connected with the rotating disc 12.
[0034] The rotating disc 10 is provided with a rotating rod 17, the mounting sleeve 8 is provided with a locking block 18, the rotating rod 17 is clamped on the locking block 18.
[0035] The locking block 18 is provided with a through groove 19, the through groove 19 is matched with the rotating rod 17.
[0036] In the embodiment, in use, the component to be clamped is placed on the placing groove 13 of the rotating disc 12, at this time, the motor 14 is started to drive the driving wheel 15 to rotate, and the driving wheel 16 engaged with the driving wheel 15 is driven to rotate, so that the rotating disc 12 connected with the driving wheel 16 is driven to rotate, so that the rotation of the clamped component is completed, and after rotating to the appropriate position, the driving motor 14 is stopped, at this time, the cylinder 3 is started to drive the moving seat 4 to move, the fixed frame 6 and the rubber block 7 are driven to move in the moving process of the moving seat 4, so that the clamping of the clamped component is completed, when the fixed frame 6 needs to be replaced, the rotating block 10 is rotated, the rotating rod 17 on the rotating block 10 is driven to rotate in the rotating process, and when the rotating rod 17 is rotated to the through groove 19 of the locking block 18, the restriction of the second tension spring 24 on the guide rod 23 is released, the rotating rod 17 is driven to move along the through groove 19 under the elastic potential energy of the second tension spring 24, so that the moving block 9 is driven to move.
[0037] Please refer to Figures 4-6 , as an aircraft combustion chamber shell processing clamp embodiment of the clamping assembly: the mounting sleeve 8 is provided with a clamping assembly, the clamping assembly includes a locking rod 20, a first tension spring 21 and a locking groove 22, the locking rod 20 is slidingly connected to the mounting sleeve 8, the first tension spring 21 is connected to the rod and the mounting sleeve 8, one end of the locking rod 20 abuts the inner side of the moving block 9, the locking groove 22 is provided on the fixed rod 5, and the locking groove 22 is matched with the locking rod 20.
[0038] The mounting sleeve 8 is provided with a guide rod 23, and the moving block 9 is slidingly connected to the guide rod 23.
[0039] The guide rod 23 is provided with a second tension spring 24, and the two ends of the second tension spring 24 abut the moving block 9 and the mounting sleeve 8.
[0040] More specifically, in the moving process of the moving block 9, the restriction to the locking rod 20 is released, and under the elastic potential energy of the first tension spring 21, the moving process of the locking rod 20 is driven, so that the locking rod 20 is moved out of the locking groove 22 of the fixed rod 5, and the fixing of the fixed rod 5 is released, and then the mounting sleeve 8 is taken off along the fixed rod 5, and then the fixed rod 5 on the fixed seat is taken out along the moving seat 4, so that the replacement process is completed, and after the replacement process is completed, the above operation is repeated to complete the fixing process.
[0041] In summary, when the whole device is in use or operation: in the use process, the component to be clamped is placed in the placing groove 13 of the rotating disc 12, and then the driving motor 14 is started to drive the driving wheel 15 at the output end to rotate, and in the rotating process, the driven wheel 16 engaged with the driving wheel 15 is driven to rotate, so that the rotating disc 12 connected with the driven wheel 16 is driven to rotate, so that the rotating process of the clamped component is completed, and after rotating to the appropriate position, the driving motor 14 is stopped, and then the cylinder 3 is started to drive the moving seat 4 at the output end to move, and in the moving process of the moving seat 4, the fixed frame 6 and the rubber block 7 are driven to move, so that the fixing process of the clamped component is completed, and when the fixed frame 6 needs to be replaced, the rotating block 10 is rotated, and in the rotating process, the rotating rod 17 on the rotating block 10 is driven to rotate, and when the rotating rod 17 is rotated to the through groove 19 of the locking block 18, the restriction to the second tension spring 24 on the guide rod 23 is released, and under the elastic potential energy of the second tension spring 24, the rotating rod 17 is driven to move along the through groove 19, so that the moving process of the moving block 9 is driven.
[0042] In the moving process of the moving block 9, the restriction to the locking rod 20 is released, and under the elastic potential energy of the first tension spring 21, the moving process of the locking rod 20 is driven, so that the locking rod 20 is moved out of the locking groove 22 of the fixed rod 5, and the fixing of the fixed rod 5 is released, and then the mounting sleeve 8 is taken off along the fixed rod 5, and then the fixed rod 5 on the fixed seat is taken out along the moving seat 4, so that the replacement process is completed, and after the replacement process is completed, the above operation is repeated to complete the fixing process.
[0043] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection or other known connection mode, which will not be described here. In the above, whenever there is a fixed connection, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. An aircraft combustion chamber shell machining fixture comprising a stationary table (1), characterized in that: The fixed platform (1) is provided with a rotating assembly, the rotating assembly comprises a fixed block (2), a cylinder (3), a moving seat (4), a fixed rod (5), a fixed frame (6) and a rubber block (7), the fixed block (2) is fixedly installed on the fixed platform (1), the cylinder (3) is fixedly installed on the fixed block (2), the moving seat (4) is connected to the output end of the cylinder (3), the fixed rod (5) is slidably connected to the moving seat (4), the fixed frame (6) is connected to one end of the fixed rod (5), the rubber block (7) is installed on the fixed frame (6), the moving seat (4) is provided with a disassembling assembly, the disassembling assembly comprises a mounting sleeve (8), a moving block (9) and a rotating block (10), the mounting sleeve (8) is detachably installed on the moving seat (4), the moving block (9) is slidably connected to the mounting sleeve (8), and the rotating block (10) is rotatably connected to the moving block (9).
2. An aircraft combustion chamber shell machining fixture according to claim 1, characterized in that: The fixed platform (1) is provided with a fixed disc (11), the fixed disc (11) is rotatably connected with a rotating disc (12), and the rotating disc (12) is provided with a placing groove (13).
3. An aircraft combustion chamber shell machining fixture according to claim 2, characterized in that: The bottom of the fixed disc (11) is provided with a motor (14), the output end of the motor (14) is connected with a driving wheel (15), the driving wheel (15) is connected with a driven wheel (16), and the driven wheel (16) is connected with the rotating disc (12).
4. An aircraft combustion chamber shell machining fixture according to claim 3, characterized in that: The rotating block (10) is provided with a rotating rod (17), and the mounting sleeve (8) is provided with a locking block (18).
5. An aircraft combustion chamber shell machining fixture according to claim 4, characterized in that: The locking block (18) is provided with a through groove (19), and the through groove (19) is matched with the rotating rod (17).
6. An aircraft combustion chamber shell machining fixture according to any one of claims 1-5, characterized by: The mounting sleeve (8) is provided with a clamping assembly, the clamping assembly comprises a locking rod (20), a first tension spring (21) and a locking groove (22), the locking rod (20) is slidably connected to the mounting sleeve (8), the first tension spring (21) is connected to the locking rod and the mounting sleeve (8), one end of the locking rod (20) abuts against the inner side of the moving block (9), the locking groove (22) is formed in the fixed rod (5), and the locking groove (22) is matched with the locking rod (20).
7. An aircraft combustion chamber shell machining fixture according to claim 6, characterized in that: The mounting sleeve (8) is provided with a guide rod (23), and the moving block (9) is slidably connected to the guide rod (23).
8. An aircraft combustion chamber shell machining fixture according to claim 7, characterized in that: The guide rod (23) is sleeved with a second tension spring (24), and the two ends of the second tension spring (24) abut against the moving block (9) and the mounting sleeve (8).