A forging front axle correction fixture

Abstract

The utility model discloses a kind of forging front axle correction tool, including abutment, first lifting platform, second lifting platform, base and adjustment platform.Second lifting platform is located on abutment, first lifting platform is located on second lifting platform, the telescopic end of hydraulic cylinder is fixed in the middle of first lifting platform bottom, two support frames are slidably connected in first lifting platform top surface, limit lifting column is symmetrically arranged on bottom, sleeve ring is on second lifting platform and slidably connected therewith.Two ends of second lifting platform are respectively symmetrically arranged adjustment platform and base, and stable frame is slidably connected on adjustment platform.The utility model adjusts height by hydraulic cylinder and limit lifting column, and the position of support frame is controlled by bidirectional screw rod, significantly improve the adaptation ability to different specifications front axle, novel structure, convenient operation, effectively improve correction efficiency.

Description

Technical Field

[0001] This utility model relates to the field of front axle processing technology, specifically to a forged front axle straightening fixture. Background Technology

[0002] Currently, the front axle is the device that transmits the forces in all directions between the vehicle frame and the front wheels, as well as the resulting bending moments and torques. During the assembly of the front axle, the steering limit angle needs to be tested. A front axle that passes the test proceeds to the next process, while those that fail are readjusted. With the increasing production volume of front axles, the demand for quick-alignment tooling for forged front axles is also gradually increasing. Existing quick-alignment tooling for forged front axles includes a base, support frames, and stabilizer frames. Two support frames and two stabilizer frames are each provided. The two support frames are positioned near the center of the base and symmetrically fixed to the base along its midpoint. The two stabilizer frames are symmetrically fixed to both ends of the base, with the support frames positioned higher than the stabilizer frames. The middle of the front axle is placed on the support frames, and the two ends are placed on the two stabilizer frames respectively. Workers then align the front axle.

[0003] Regarding the aforementioned technologies, the inventors believe that there is a defect that when front axles of different sizes and specifications are being calibrated, the quick calibration tooling for forged front axles needs to be replaced, resulting in low adaptability of the quick calibration tooling for forged front axles. Utility Model Content

[0004] To address the aforementioned problems in the prior art, this utility model provides a forging front axle straightening fixture, which can improve upon the above deficiencies.

[0005] This utility model relates to a forging front axle straightening fixture, including a base, a first lifting platform, a second lifting platform, a base, and an adjusting platform; the second lifting platform is located above the base, and the first lifting platform is located above the second lifting platform. A hydraulic cylinder is installed on the top surface of the second lifting platform, and the telescopic end of the hydraulic cylinder is fixed in the middle of the bottom surface of the first lifting platform. Two support frames are slidably connected to the top surface of the first lifting platform, and a limiting lifting column is symmetrically installed on the bottom surface of the first lifting platform. The limiting lifting column passes through the second lifting platform and is slidably connected to the second lifting platform. An adjusting platform and a base are symmetrically installed at both ends of the second lifting platform, and a stabilizing frame is slidably connected to the adjusting platform.

[0006] Furthermore, a first adjustment component is provided on the first lifting platform. The first adjustment component includes an adjustment motor, a bidirectional screw, and a fixed rod. The adjustment motor is fixedly mounted on the first lifting platform. The bidirectional screw is rotatably connected to the first lifting platform. The fixed rod is fixedly mounted on the first lifting platform and is parallel to the bidirectional screw. The bidirectional screw has two sections of threads with opposite directions of rotation symmetrically about its midpoint. Both the bidirectional screw and the fixed rod pass through two support frames. The two support frames are threadedly connected to the bidirectional screw and are located on opposite sides of the bidirectional screw. Both support frames are slidably mounted on the fixed rod.

[0007] Furthermore, a dovetail slider is fixedly provided at the bottom end of the support frame, and a horizontal groove is provided on the first lifting platform for the dovetail slider to slide.

[0008] Furthermore, the second lifting platform is provided with perforations that cooperate with the limiting lifting column.

[0009] Furthermore, the adjustment platform is disposed on the top surface of the base, the base has a mounting cavity, a lifting motor, a lifting gear, and a lifting rack are disposed in the mounting cavity, the lifting gear is coaxially connected to the output shaft of the lifting motor, the upper end of the lifting rack is fixed to the bottom surface of the adjustment platform, the rack meshes with the lifting gear, the rack is slidably connected to the inner wall of the mounting cavity, and multiple columnar sliding grooves are disposed on the top surface of the base, sliding rods are disposed in the sliding grooves, and the upper end of the sliding rods is fixed to the bottom surface of the adjustment platform.

[0010] Furthermore, a dovetail groove is provided on the top surface of the adjustment platform, a stabilizing frame is slidably connected to the adjustment platform, and a dovetail block matching the dovetail groove is provided on the bottom surface of the stabilizing frame.

[0011] Furthermore, an adjusting screw is provided on the adjusting platform, the adjusting screw is slidably threadedly connected to the dovetail block, and a knob is fixedly installed at one end of the adjusting screw.

[0012] This invention features ingenious improvements and a novel structure. The height of the first lifting platform is adjusted through the cooperation of a hydraulic cylinder and a limit lifting column. When the calibration fixture is compatible with the front axle to be calibrated, the second lifting platform eliminates the need for position adjustment of the support frame and stabilizer frame, thus realizing the position adjustment of the support frame and stabilizer frame. This improves the adaptability of the fast calibration fixture for forged front axles to front axles of different specifications. The control of the double-headed screw further enhances the adaptability of the calibration fixture to front axles of different lengths. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the present invention.

[0014] Figure 2 This is a schematic diagram of a perforated structure.

[0015] Figure 3 This is a schematic diagram of the first lifting platform structure.

[0016] Figure 4 This is a schematic diagram of the support frame structure.

[0017] Figure 5 This is a schematic diagram of the internal structure of the adjustment platform.

[0018] Diagram: 1. Base, 2. Second lifting platform, 21. Perforation, 3. First lifting platform, 31. Horizontal slide groove, 32. Bidirectional screw, 33. Adjusting motor, 34. Fixed rod, 35. Support frame, 351. Dovetail slider, 4. Limit lifting column, 5. Rack, 6. Power motor, 61. Drive gear, 7. Hydraulic lifting column, 9. Adjusting platform, 10. Base, 1010. Slide groove, 1020. Slide rod, 11. Mounting cavity, 12. Lifting motor, 13. Lifting gear, 14. Lifting rack, 15. Adjusting screw, 16. Stabilizing frame, 17. Dovetail block, 91. Dovetail groove. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model.

[0020] like Figure 1-4 As shown, this utility model relates to a forging front axle straightening fixture, including a base 1, a first lifting platform 3, a second lifting platform 2, a base 10, and an adjusting platform 9. The second lifting platform is located above the base, and the first lifting platform is located above the second lifting platform. A hydraulic cylinder 7 is installed on the top surface of the second lifting platform. The telescopic end of the hydraulic cylinder is fixed in the middle of the bottom surface of the first lifting platform. The stroke range of the hydraulic cylinder 7 is 0 to 300 mm. The telescopic action of the hydraulic cylinder is controlled by a solenoid valve. The solenoid valve is connected to the oil circuit of the hydraulic cylinder to realize the rapid lifting and lowering adjustment of the first lifting platform 3. Two support frames 35 are slidably connected to the top surface of the first lifting platform. A limiting lifting column 4 is symmetrically arranged on the bottom surface of the first lifting platform. A collar is provided on the outer wall of the limiting lifting column. The collar is rotatably connected to the limiting lifting column through a bearing. The outer side of the collar is slidably engaged with the through hole 21 of the second lifting platform 2, thereby realizing the up and down sliding of the limiting lifting column on the second lifting platform. A stop screw is provided on the inner side of the collar. The position of the limit lifting column can be fixed by tightening the stop screw. An adjustment platform 9 and a base 10 are symmetrically arranged at both ends of the second lifting platform. A stabilizing frame 16 is slidably connected to the adjustment platform.

[0021] Furthermore, a first adjustment component is provided on the first lifting platform. The first adjustment component includes an adjustment motor 33, a bidirectional screw 32, and a fixed rod 34. The adjustment motor is fixedly mounted on the first lifting platform, the bidirectional screw is rotatably connected to the first lifting platform, and the fixed rod 34 is fixedly mounted on the first lifting platform and parallel to the bidirectional screw. The bidirectional screw has two sections of threads with opposite directions of rotation symmetrically about its midpoint. Both the bidirectional screw and the fixed rod pass through two support frames. The two support frames are threadedly connected to the bidirectional screw and are located on opposite sides of the bidirectional screw. Both support frames are slidably mounted on the fixed rod. When the bidirectional screw rotates, the two support frames will move relative to each other along the axial direction of the bidirectional screw, with a movement range of 0 to 200 mm, thereby realizing the adjustment of the position of the support frames.

[0022] Furthermore, a dovetail slider 17 is fixedly provided at the bottom end of the support frame, and a horizontal groove for the dovetail slider to slide is provided on the first lifting platform.

[0023] Furthermore, the second lifting platform is provided with a through hole 21 that cooperates with the limiting lifting column.

[0024] Furthermore, the adjustment platform is disposed on the top surface of the base, which has a mounting cavity 11. A lifting motor 12, a lifting gear 13, and a lifting rack 14 are disposed within the mounting cavity. The lifting gear 13 is coaxially connected to the output shaft of the lifting motor. The upper end of the lifting rack is fixed to the bottom surface of the adjustment platform, and the rack meshes with the lifting gear. The lifting motor 12 has a power of 1.5kW and a speed of 1500rpm. The lifting and lowering action of the adjustment platform 9 is achieved through the meshing transmission of the lifting gear 13 and the lifting rack 14. The stroke range of the lifting rack 14 is 0 to 200mm. By controlling the forward and reverse rotation of the lifting motor, the adjustment platform can be raised and lowered. The rack is slidably connected to the inner wall of the mounting cavity. Multiple columnar sliding grooves 1010 are provided on the top surface of the base, and sliding rods 1020 are disposed within the sliding grooves. The upper end of the sliding rods is fixed to the bottom surface of the adjustment platform.

[0025] Furthermore, a dovetail groove 91 is provided on the top surface of the adjustment platform, a stabilizing frame 16 is slidably connected to the adjustment platform, and a dovetail block matching the dovetail groove is provided on the bottom surface of the stabilizing frame.

[0026] Furthermore, an adjusting screw 15 is provided on the adjusting platform. The adjusting screw is connected to a dovetail bolt, and a knob is fixedly installed at one end of the adjusting screw. By rotating the knob, the position of the stabilizer on the adjusting platform can be changed.

[0027] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. In use, the forging front axle straightening fixture of the present invention is first placed on a flat work platform and the connection status of each component is checked. Based on the height of the front axle to be straightened, the height of the first lifting platform 3 is adjusted by the hydraulic cylinder 7, with a stroke range of 0 to 300 mm. The extension and retraction of the hydraulic cylinder is controlled by a solenoid valve to match the height of the first lifting platform with the height of the middle of the front axle. Next, based on the length of the front axle, the adjusting motor 33 is started to drive the bidirectional screw 32 to rotate. The two ends of the bidirectional screw are respectively provided with left-hand and right-hand threads. Two support frames 35 are respectively engaged with the left-hand and right-hand threads of the bidirectional screw. When the bidirectional screw rotates, the two support frames will move relative to each other along the axial direction of the bidirectional screw, with a movement range of 0 to 200 mm. The position of the support frames is adjusted to ensure good contact with the middle of the front axle. Then, based on the width of the front axle, start the lifting motor 12. Its output shaft drives the lifting gear 13 to rotate. The lifting gear meshes with the lifting rack 14, realizing the lifting action of the adjustment platform 9. The stroke range of the lifting rack is 0 to 200 mm. By controlling the forward and reverse rotation of the lifting motor, the height of the adjustment platform is adjusted so that the stabilizer 16 can contact both ends of the front axle and provide stable support. Place the front axle to be calibrated on the two support frames 35, ensuring good contact between the middle of the front axle and the support frames. Then place both ends of the front axle into the stabilizer 16 on the adjustment platform 9. Adjust the position of the stabilizer by rotating the adjusting screw 15 to firmly clamp both ends of the front axle. Start the calibration equipment to perform the calibration operation. During the calibration process, the hydraulic cylinder and lifting motor can be finely adjusted as needed to ensure calibration accuracy. After calibration, turn off the equipment and check the calibration effect of the front axle to ensure that it meets the design requirements. If it is necessary to calibrate a front axle of another specification, the above steps can be repeated and the equipment parameters can be adjusted according to the new front axle specification. Through the detailed usage process described above, the forging front axle straightening fixture of this utility model can efficiently and conveniently complete the straightening work of front axles of different specifications, significantly improving straightening efficiency and adaptability.

Claims

1. A forging front axle straightening fixture, characterized in that: The system includes a base, a first lifting platform, a second lifting platform, a base, and an adjustment platform. The second lifting platform is located above the base, and the first lifting platform is located above the second lifting platform. A hydraulic cylinder is installed on the top surface of the second lifting platform, and the telescopic end of the hydraulic cylinder is fixed to the middle of the bottom surface of the first lifting platform. Two support frames are slidably connected to the top surface of the first lifting platform. A limiting lifting column is symmetrically installed on the bottom surface of the first lifting platform. The limiting lifting column passes through the second lifting platform and is slidably connected to the second lifting platform. An adjustment platform and a base are symmetrically installed at both ends of the second lifting platform, and a stabilizing frame is slidably connected to the adjustment platform.

2. The forging front axle straightening fixture according to claim 1, characterized in that: A first adjustment component is provided on the first lifting platform. The first adjustment component includes an adjustment motor 33, a bidirectional screw, and a fixed rod. The adjustment motor is fixedly mounted on the first lifting platform. The bidirectional screw is rotatably connected to the first lifting platform. The fixed rod is fixedly mounted on the first lifting platform and is parallel to the bidirectional screw. The bidirectional screw has two sections of threads with opposite directions of rotation symmetrically about its midpoint. Both the bidirectional screw and the fixed rod pass through two support frames. The two support frames are threadedly connected to the bidirectional screw and are located on opposite sides of the bidirectional screw. Both support frames are slidably mounted on the fixed rod.

3. The forging front axle straightening fixture according to claim 2, characterized in that: The bottom end of the support frame is fixed with a dovetail slider, and the first lifting platform is provided with a horizontal groove for the dovetail slider to slide.

4. The forging front axle straightening fixture according to claim 2, characterized in that: The second lifting platform is provided with through holes that cooperate with the limit lifting column.

5. The forging front axle straightening fixture according to claim 1, characterized in that: The adjustment platform is located on the top surface of the base. The base has a mounting cavity, in which a lifting motor, a lifting gear, and a lifting rack are installed. The lifting gear is coaxially connected to the output shaft of the lifting motor. The upper end of the lifting rack is fixed to the bottom surface of the adjustment platform. The rack meshes with the lifting gear and is slidably connected to the inner wall of the mounting cavity. The top surface of the base is provided with multiple columnar sliding grooves, in which sliding rods are installed. The upper end of the sliding rods is fixed to the bottom surface of the adjustment platform.

6. The forging front axle straightening fixture according to claim 5, characterized in that: The top surface of the adjustment platform is provided with a dovetail groove, and a stabilizing frame is slidably connected to the adjustment platform. The bottom surface of the stabilizing frame is provided with a dovetail block that matches the dovetail groove.

7. The forging front axle straightening fixture according to claim 5, characterized in that: An adjusting screw is provided on the adjusting platform. The adjusting screw is threadedly connected to the dovetail block, and a knob is fixedly installed at one end of the adjusting screw.

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