Fixture special for automobile flange machining
By combining the fixture design with cylinders, gears and pressure sensors, the problems of clamping force and vibration are solved, stable processing of automotive flanges is achieved, and the adaptability and processing accuracy of the fixture are improved.
Patent Information
- Application Number
- CN202422891339.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-26
AI Technical Summary
Existing automotive flange processing fixtures have difficulty in accurately controlling the clamping force, causing the flange to wear or loosen, and are prone to vibration during processing, affecting accuracy.
The first cylinder, the first gear, the motor, the second gear, the second cylinder and the pressure sensor are coordinated to detect the clamping force, and the vibration energy is consumed by the coordination of the hydraulic oil chamber and the push plate to achieve flexible clamping and reduce vibration.
It achieves appropriate clamping force control, adapts to different flange sizes, reduces vibration effects, and improves processing accuracy and stability.
Smart Images
Figure CN223442120U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile flange processing, specifically to a special fixture for automobile flange processing. BACKGROUND
[0002] The automobile flange is a disc-shaped metal connecting piece, and a plurality of fixing holes are designed on the periphery for tight connection with other components. Two flanges can be tightly connected together by passing bolts through the holes on the flange. The automobile flange processing usually includes the steps of material cutting, forging or casting forming, turning processing, drilling, tapping and final inspection and packaging. A fixture needs to be used in the processing. The existing fixture for automobile flange processing cannot accurately control the clamping force when clamping the flange. If the clamping force is too large, the flange may be abraded. If the clamping force is too small, the flange may be loosened during processing, which is not conducive to processing. When the flange blank is drilled, ground and polished, vibration occurs, which greatly affects the processing accuracy of the flange. SUMMARY
[0003] In view of the deficiencies of the prior art, the utility model provides a special fixture for automobile flange processing to solve the problems in the background art.
[0004] To achieve the above purpose, the utility model discloses the following technical scheme: a special fixture for automobile flange processing, including fixed base, workstation, mounting screw and flange blank, the lower surface of the fixed base is fixedly connected with the mounting plate, the inside of the mounting plate is provided with the mounting hole, the inside of the fixed base is rotatably connected with the first air cylinder, the outer surface of the first air cylinder is fixedly connected with the first gear, the outer surface of the fixed base is fixedly connected with the motor, the output end of the motor is fixedly connected with the rotating shaft, the output end of the rotating shaft is fixedly connected with the second gear, the output end of the first air cylinder is fixedly connected with the U-shaped seat, the inside of the U-shaped seat is fixedly connected with the second air cylinder, the inner surface of the U-shaped seat is fixedly connected with the first shell, the output end of the second air cylinder is fixedly connected with the second shell, the inside of the first shell and the second shell is provided with the hydraulic oil cavity, the through hole in the outer surface of the first shell and the second shell is fixedly connected with the second rubber ring, the inside of the second rubber ring is provided with the connecting rod, the both ends of the connecting rod are fixedly connected with the push plate and the pressure sensor respectively, the edge of the outer surface of the push plate is fixedly connected with the first rubber ring, the outer surface of the pressure sensor is fixedly connected with the clamping plate.
[0005] Preferably, the outer surface of the mounting screw is matched with the inner surface of the mounting hole, the mounting plate is connected with the workstation through the mounting screw, and the clamping plate is arranged on both sides of the flange blank.
[0006] Preferably, the second gear is arranged directly below the first gear, and an outer surface of the second gear is engaged with an outer surface of the first gear.
[0007] Preferably, the first shell and the second shell are arranged oppositely, and the push plate is arranged inside the first shell and the second shell, and an outer surface of the first rubber ring is pressed and matched with an inner surface of the first shell and the second shell.
[0008] Preferably, the pressure sensor is arranged outside the first shell and the second shell, and the pressure sensor is electrically connected with the second cylinder.
[0009] Advantages
[0010] The utility model provides a special fixture for automobile flange machining. It has the following advantages:
[0011] (1), the special fixture for automobile flane machining, through the cooperation between first cylinder, first gear, motor, second gear, second cylinder and pressure sensor, the pressure sensor can detect the clamping force of the flange by the clamping plate, so that the flange is clamped and fixed with appropriate force, so as to avoid the influence of too large or too small clamping force, and the first cylinder can be used to clamping flange blank of different diameters flexibly, the second cylinder can be used to clamping flange blank of different thicknesses flexibly, and the cooperation of motor, first gear and second gear can be used to adjust the angle of flange blank flexibly, greatly improving the flexibility and adaptability of the fixture.
[0012] (2), the special fixture for automobile flane machining, through the cooperation between first shell, second shell, hydraulic oil cavity and push plate, the resistance can be generated by the mutual extrusion between the hydraulic oil molecules, so that the energy of vibration is consumed, thereby achieving the purpose of weakening vibration, and reducing the influence of vibration on flange machining quality. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the overall structure schematic view of the utility model;
[0014] Figure 2 It is the overall sectional structure schematic view of the utility model;
[0015] Figure 3 It is the structure schematic view of the U-shaped seat of the utility model;
[0016] Figure 4 It is the structure schematic view of the utility model when being used.
[0017] In the figure: 1. Fixed seat; 2. Mounting plate; 3. Mounting hole; 4. First cylinder; 5. First gear; 6. Motor; 7. Rotating shaft; 8. Second gear; 9. U-shaped seat; 10. Second cylinder; 11. First housing; 12. Second housing; 13. Hydraulic oil chamber; 14. Push plate; 15. First rubber ring; 16. Second rubber ring; 17. Connecting rod; 18. Pressure sensor; 19. Clamp; 20. Workbench; 21. Mounting screws; 22. Flange blank. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0019] Embodiment 1:
[0020] like Figures 1-4 As shown, the utility model provides a special fixture for automobile flange processing, including a fixing base 1, a workbench 20, a mounting screw 21 and a flange blank 22. The lower surface of the fixing base 1 is fixedly connected to a mounting plate 2, and a mounting hole 3 is provided inside the mounting plate 2. The interior of the fixing base 1 is rotatably connected to a first cylinder 4, and the outer surface of the first cylinder 4 is fixedly connected to a first gear 5. The outer surface of the fixing base 1 is fixedly connected to a motor 6, and the output end of the motor 6 is fixedly connected to a rotating shaft 7, and the output end of the rotating shaft 7 is fixedly connected to a second gear 8. The output end of the first cylinder 4 is fixedly connected to a U-shaped base 9, and the interior of the U-shaped base 9 is fixedly connected to the first gear 5. It is connected to the second cylinder 10, the inner surface of the U-shaped seat 9 is fixedly connected to the first shell 11, the output end of the second cylinder 10 is fixedly connected to the second shell 12, and the interior of the first shell 11 and the second shell 12 are both provided with a hydraulic oil chamber 13, and the through holes on the outer surfaces of the first shell 11 and the second shell 12 are fixedly connected to the second rubber ring 16, and a connecting rod 17 is provided inside the second rubber ring 16. The two ends of the connecting rod 17 are respectively fixedly connected to the push plate 14 and the pressure sensor 18, the first rubber ring 15 is fixedly connected to the edge of the outer surface of the push plate 14, and the outer surface of the pressure sensor 18 is fixedly connected to the clamping plate 19.
[0021] Specifically, the outer surface of the mounting screw 21 is matched with the inner surface of the mounting hole 3 , the mounting plate 2 is connected to the workbench 20 via the mounting screw 21 , and the clamping plates 19 are arranged on both sides of the flange blank 22 .
[0022] Specifically, the second gear 8 is disposed directly below the first gear 5 , and an outer surface of the second gear 8 is meshed with an outer surface of the first gear 5 .
[0023] Specifically, the first shell 11 and the second shell 12 are oppositely arranged, the push plate 14 is arranged inside the first shell 11 and the second shell 12, and the outer surface of the first rubber ring 15 is extruded and matched with the inner surface of the first shell 11 and the second shell 12.
[0024] Specifically, the pressure sensor 18 is arranged outside the first shell 11 and the second shell 12, and the pressure sensor 18 is electrically connected with the second cylinder 10.
[0025] The working principle and beneficial effects of the above embodiment.
[0026] In use, the two groups of clamps are installed on the workbench 20 through the mounting screws 21, then the flange blank 22 is vertically placed between the two clamping plates 19 of each group of clamps, the second cylinder 10 is controlled to be elongated to drive the second shell 12 to move, so that the two clamping plates 19 clamp the flange blank 22, and the pressure sensor 18 monitors the clamping force, and when the detected pressure value reaches a preset appropriate range, the second cylinder 10 is controlled to stop elongation, so that the clamping plate 19 clamps the flange blank 22 with appropriate force, the second cylinder 10 can be used to flexibly clamp flange blanks 22 of different thicknesses, and the first cylinder 4 can be used to flexibly clamp flange blanks 22 of different diameters. If it is necessary to adjust the angle of the flange blank 22 during processing, the driving motor 6 is driven to rotate, so that the rotating shaft 7 drives the second gear 8 to rotate, and the first gear 5 is matched to drive the first cylinder 4 to rotate, so that the flange blank 22 is rotated to an appropriate angle. When vibration occurs during processing, the hydraulic oil chamber 13 is filled with hydraulic oil, the impact force caused by vibration causes the push plate 14 to extrude the hydraulic oil, the hydraulic oil molecules are extruded between each other to generate resistance, so that the energy of the vibration is consumed, thereby achieving the purpose of weakening the vibration and reducing the influence of the vibration on the flange processing quality.
[0027] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations. The statement "including a limited element" does not exclude the presence of another identical element in the process, method, article or equipment including the element.
[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A special fixture for automobile flange processing, comprising a fixing seat (1), a workbench (20), mounting screws (21) and a flange blank (22), characterized in that: The lower surface of the fixing seat (1) is fixedly connected to a mounting plate (2), the interior of the mounting plate (2) is provided with a mounting hole (3), the interior of the fixing seat (1) is rotatably connected to a first cylinder (4), the outer surface of the first cylinder (4) is fixedly connected to a first gear (5), the outer surface of the fixing seat (1) is fixedly connected to a motor (6), the output end of the motor (6) is fixedly connected to a rotating shaft (7), the output end of the rotating shaft (7) is fixedly connected to a second gear (8), the output end of the first cylinder (4) is fixedly connected to a U-shaped seat (9), the interior of the U-shaped seat (9) is fixedly connected to a second cylinder (10), and the inner surface of the U-shaped seat (9) is fixedly connected to A first housing (11) is provided, the output end of the second cylinder (10) is fixedly connected to the second housing (12), a hydraulic oil chamber (13) is provided inside the first housing (11) and the second housing (12), a second rubber ring (16) is fixedly connected to the through holes on the outer surfaces of the first housing (11) and the second housing (12), a connecting rod (17) is provided inside the second rubber ring (16), the two ends of the connecting rod (17) are respectively fixedly connected to a push plate (14) and a pressure sensor (18), the edge of the outer surface of the push plate (14) is fixedly connected to the first rubber ring (15), and the outer surface of the pressure sensor (18) is fixedly connected to a clamping plate (19).
2. The special fixture for automobile flange processing according to claim 1, characterized in that: The outer surface of the mounting screw (21) is matched with the inner surface of the mounting hole (3); the mounting plate (2) is connected to the workbench (20) via the mounting screw (21); and the clamping plate (19) is arranged on both sides of the flange blank (22).
3. The special fixture for automobile flange processing according to claim 1, characterized in that: The second gear (8) is arranged directly below the first gear (5), and the outer surface of the second gear (8) is meshed with the outer surface of the first gear (5).
4. The special fixture for automobile flange processing according to claim 1, characterized in that: The first shell (11) and the second shell (12) are arranged opposite to each other, the push plate (14) is arranged inside the first shell (11) and the second shell (12), and the outer surface of the first rubber ring (15) is squeezed and fitted with the inner surface of the first shell (11) and the second shell (12).
5. The special fixture for automobile flange processing according to claim 1, characterized in that: The pressure sensor (18) is arranged outside the first housing (11) and the second housing (12), and the pressure sensor (18) is electrically connected to the second cylinder (10).