Automobile bumper assembly machining clamp
By designing a machining fixture for automobile bumper assembly including a chassis, support arms, adjustment devices and drive devices, the problem of poor adjustment flexibility in the prior art is solved, and flexible clamping and efficient adjustment of different models of automobile bumper assembly are achieved.
Patent Information
- Application Number
- CN202422168361.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-05
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-09-05
AI Technical Summary
The adjustment flexibility of existing automobile bumper assembly inspection fixtures is poor, resulting in a reduced convenience of clamping and fixing of automobile bumpers of different models, increasing the limitations of use.
A car bumper assembly machining fixture including two sets of chassis, support arms, adjustment devices, drive devices and support devices is designed. The support device drives the chassis to move, adjusts the position of the clamping plate, and the drive device adjusts the tilt angle of the support arm, achieving flexible clamping of different models of automobile bumper assembly.
It improves the convenience of clamping and fixing of different models of automobile bumper assembly, reduces the limitations of clamping use and adjustment, and enhances the adaptability to automobile bumper assembly of different sizes.
Smart Images

Figure CN222971590U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fixtures for automobile bumper assemblies, in particular to a fixture for machining automobile bumper assemblies. Background Technique
[0002] In the automobile manufacturing industry, as an important safety device of a vehicle, the design and processing quality of a bumper are directly related to the overall safety and appearance beauty of the vehicle. Therefore, it is particularly important to develop an efficient and precise fixture for machining automobile bumper assemblies.
[0003] As in the patent with the authorized publication number of CN214490237U in the prior art, this utility model discloses a bumper detection fixture, which includes a first base and a second base arranged in parallel and side by side, and a first column and a second column respectively arranged on the first base and the second base; the first base and the second base are connected by a connecting rod, and both the first base and the second base can slide along the length direction of the connecting rod; a first fixture for clamping the bumper is installed on one side of the first column opposite to the second column, and a second fixture cooperating with the first fixture is installed on the second column.
[0004] However, it is found in the use of this fixture that the adjustment flexibility of this fixture is poor, which reduces the convenience of clamping and fixing automobile bumper assemblies of different models and increases the limitations in use. Summary of the Utility Model
[0005] To solve the above technical problems, the utility model provides a fixture for machining automobile bumper assemblies, which improves the convenience of clamping and fixing automobile bumper assemblies of different models and reduces the limitations in use and adjustment.
[0006] A processing fixture for an automobile bumper assembly of the utility model comprises two groups of machine boxes and two groups of support arms. The lower parts of the two groups of support arms are respectively rotatably installed on the inner side walls of the two groups of machine boxes. It also includes an adjusting device, a driving device, a supporting device, two groups of supporting plates, two groups of guiding frames and two groups of clamping plates. The two groups of supporting plates are respectively installed at the tops of the two groups of support arms. The two groups of guiding frames are respectively installed on the outer side walls of the two groups of supporting plates. The two groups of clamping plates are respectively slidably installed on the two groups of guiding frames through the adjusting device. A driving device is arranged in the machine box. The driving device is used to drive the support arms to rotate and swing. The two groups of machine boxes are both installed on the supporting device. The supporting device is used to drive the two groups of machine boxes to move and adjust. Place the automobile bumper assembly to be fixed between the two groups of supporting plates. Then drive the two groups of machine boxes to move closer to each other through the supporting device, so that the two groups of machine boxes drive the two groups of supporting plates to respectively contact the two sides of the automobile bumper assembly. Then drive the two groups of clamping plates to move through the adjusting device, so that the two groups of clamping plates cooperate with the two groups of supporting plates to clamp and fix the two sides of the automobile bumper assembly. Swing and adjust the inclination angles of the two groups of support arms through the driving device, thereby improving the convenience of clamping and fixing automobile bumper assemblies of different models by the fixture and reducing the use and adjustment limitations of the fixture.
[0007] Preferably, the supporting device includes a rotating device, a housing, a guiding groove, a first motor, two groups of sliders, a bidirectional lead screw and a second motor. The housing is installed on the rotating device. The rotating device is used to drive the housing to tilt and rotate for adjustment. The guiding groove is horizontally rotatably installed at the top of the housing. The first motor is installed on the inner side wall of the housing. The output end of the first motor is connected to the bottom end of the guiding groove. The two groups of sliders are both slidably installed on the inner side wall of the guiding groove. The tops of the two groups of sliders are respectively connected to the bottom ends of the two groups of machine boxes. The bidirectional lead screw is rotatably installed on the inner side wall of the guiding groove. The two groups of sliders are respectively screwed on the bidirectional lead screw in cooperation. The second motor is installed on the outer side wall of the guiding groove. The output end of the second motor is connected to the bidirectional lead screw. Drive the bidirectional lead screw to rotate through the second motor, so that the bidirectional lead screw drives the two groups of sliders to move towards each other, thereby driving the two groups of machine boxes to move towards each other by the two groups of sliders, improving the convenience of clamping and fixing automobile bumper assemblies of different sizes by the two groups of supporting plates. Drive the guiding groove to rotate horizontally through the first motor, so that the guiding groove drives the automobile bumper assembly to rotate horizontally. Drive the housing to tilt and rotate for angle adjustment through the rotating device, thereby tilting the angle of the automobile bumper assembly and improving the convenience of processing the automobile bumper assembly.
[0008] Preferably, the driving device includes two groups of worm wheels, two groups of worm shafts and two groups of hand wheels. The two groups of worm wheels are respectively installed on the rotating ends of the two groups of support arms. The two groups of worm shafts are respectively rotatably installed on the inner side walls of the two groups of machine boxes. The two groups of worm shafts are respectively meshed with the two groups of worm wheels. The two groups of hand wheels are respectively installed at the ends of the two groups of worm shafts. Drive the two groups of worm shafts to rotate by operating the two groups of hand wheels, so that the two groups of worm shafts drive the two groups of support arms to swing and rotate through the meshing with the two groups of worm wheels, improving the convenience of angle adjustment and positioning of the two groups of support arms.
[0009] Preferably, it further includes a sleeve and two groups of limiting rods. The sleeve is installed in the middle of the top end of the guide groove. The two groups of limiting rods are respectively slidably installed at the front and rear parts of the sleeve, and a setscrew is provided on the sleeve. Place the automobile bumper assembly to be clamped and fixed between the two groups of limiting rods, and move and adjust the two groups of limiting rods, so that the two groups of limiting rods limit the front and rear of the automobile bumper assembly.
[0010] Preferably, the adjusting device includes two groups of one-way lead screws and two groups of handles. The two groups of one-way lead screws are respectively rotatably installed on the two groups of support plates and the two groups of guide frames. The two groups of clamping plates are respectively screwed onto the two groups of one-way lead screws, and the two groups of handles are respectively installed at the ends of the two groups of one-way lead screws. By rotating the two groups of one-way lead screws, the two groups of one-way lead screws drive the two groups of clamping plates to move, improving the convenience of clamping and fixing the automobile bumper assembly by the cooperation of the two groups of clamping plates and the two groups of support plates.
[0011] Preferably, the rotating device includes a bracket and a third motor. The two ends of the housing are rotatably installed on the inner side walls of the bracket, the third motor is installed on the outer side wall of the bracket, and the output end of the third motor is connected to the housing. By driving the housing to rotate and tilt by the third motor, the flexibility of adjusting the tilt angle of the automobile bumper assembly is improved.
[0012] Preferably, it further includes a base, and the base is installed at the bottom end of the bracket. By supporting the bracket through the base, the overall stability of the fixture in use is improved.
[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: Place the automobile bumper assembly to be fixed between the two groups of support plates, and then drive the two groups of chassis to move closer to each other through the support device, so that the two groups of chassis drive the two groups of support plates to respectively contact the two sides of the automobile bumper assembly. Then drive the two groups of clamping plates to move through the adjusting device, so that the two groups of clamping plates and the two groups of support plates cooperate to clamp and fix the two sides of the automobile bumper assembly. By swinging and adjusting the tilt angle of the two groups of support arms through the driving device, the convenience of clamping and fixing automobile bumper assemblies of different models by the fixture is improved, and the limitation of the use and adjustment of the fixture is reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is an isometric structural schematic diagram of the present utility model;
[0015] Figure 2 is an isometric partial structural schematic diagram of the connection between the chassis and the support arm, etc.;
[0016] Figure 3 is an isometric partial structural schematic diagram of the connection between the chassis and the slider, etc.;
[0017] Figure 4 is an isometric structural schematic diagram of the connection between the housing and the first motor, etc.;
[0018] Figure 5 It is an axonometric partial structural schematic diagram of the connection between the sleeve and the limiting rod, etc.
[0019] Reference signs in the drawings: 1, chassis; 2, support arm; 3, support plate; 4, guide frame; 5, clamping plate; 6, housing; 7, guide groove; 8, first motor; 9, slider; 10, bidirectional lead screw; 11, second motor; 12, worm gear; 13, worm; 14, handwheel; 15, sleeve; 16, limiting rod; 17, unidirectional lead screw; 18, handle; 19, bracket; 20, third motor; 21, base. Specific embodiments
[0020] For the convenience of understanding the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive. Embodiment 1
[0021] As Figures 1 to 5 shown, a processing fixture for an automobile bumper assembly of the present invention includes two groups of chassis 1 and two groups of support arms 2. The lower parts of the two groups of support arms 2 are respectively rotatably installed on the inner side walls of the two groups of chassis 1; it further includes an adjusting device, a driving device, a supporting device, two groups of support plates 3, two groups of guide frames 4 and two groups of clamping plates 5. The two groups of support plates 3 are respectively installed at the tops of the two groups of support arms 2, the two groups of guide frames 4 are respectively installed on the outer side walls of the two groups of support plates 3, the two groups of clamping plates 5 are respectively slidably installed on the two groups of guide frames 4 through the adjusting device, a driving device is arranged in the chassis 1, the driving device is used to drive the support arm 2 to rotate and swing, and the two groups of chassis 1 are both installed on the supporting device, and the supporting device is used to drive the two groups of chassis 1 to move and adjust;
[0022] As Figure 4 shown, the supporting device includes a rotating device, a housing 6, a guide groove 7, a first motor 8, two groups of sliders 9, a bidirectional lead screw 10 and a second motor 11. The housing 6 is installed on the rotating device, and the rotating device is used to drive the housing 6 to tilt and rotate for adjustment. The guide groove 7 is horizontally rotatably installed at the top of the housing 6. The first motor 8 is installed on the inner side wall of the housing 6, and the output end of the first motor 8 is connected to the bottom end of the guide groove 7. The two groups of sliders 9 are both slidably installed on the inner side wall of the guide groove 7. The tops of the two groups of sliders 9 are respectively connected to the bottom ends of the two groups of chassis 1. The bidirectional lead screw 10 is rotatably installed on the inner side wall of the guide groove 7. The two groups of sliders 9 are respectively screwed on the bidirectional lead screw 10 in cooperation. The second motor 11 is installed on the outer side wall of the guide groove 7, and the output end of the second motor 11 is connected to the bidirectional lead screw 10;
[0023] In this embodiment, the automobile bumper assembly to be fixed is placed between two sets of support plates 3. Then, the support device drives the two sets of chassis 1 to move closer to each other, so that the two sets of chassis 1 drive the two sets of support plates 3 to contact the two sides of the automobile bumper assembly respectively. Then, the adjustment device drives the two sets of clamping plates 5 to move, so that the two sets of clamping plates 5 cooperate with the two sets of support plates 3 to clamp and fix the two sides of the automobile bumper assembly. The inclination angle of the two sets of support arms 2 is adjusted by the driving device, thereby improving the convenience of clamping and fixing automobile bumper assemblies of different models by the fixture and reducing the use and adjustment limitations of the fixture. Embodiment 2
[0024] On the basis of Embodiment 1, as Figure 2 shown, a processing fixture for an automobile bumper assembly of the present utility model, the driving device includes two sets of worm wheels 12, two sets of worm shafts 13 and two sets of hand wheels 14. The two sets of worm wheels 12 are respectively installed on the rotating ends of the two sets of support arms 2. The two sets of worm shafts 13 are respectively rotatably installed on the inner side walls of the two sets of chassis 1. The two sets of worm shafts 13 are respectively meshed with the two sets of worm wheels 12. The two sets of hand wheels 14 are respectively installed at the ends of the two sets of worm shafts 13;
[0025] As Figure 3 shown, it further includes a sleeve 15 and two sets of limit rods 16. The sleeve 15 is installed in the middle of the top end of the guide groove 7. The two sets of limit rods 16 are respectively slidably installed at the front and rear parts of the sleeve 15, and a setscrew is provided on the sleeve 15;
[0026] As Figure 2 shown, the adjustment device includes two sets of single - lead screws 17 and two sets of handles 18. The two sets of single - lead screws 17 are respectively rotatably installed on the two sets of support plates 3 and the two sets of guide frames 4. The two sets of clamping plates 5 are respectively screwed onto the two sets of single - lead screws 17 in a matching manner. The two sets of handles 18 are respectively installed at the ends of the two sets of single - lead screws 17;
[0027] As Figure 1 shown, the rotating device includes a bracket 19 and a third motor 20. Both ends of the housing 6 are rotatably installed on the inner side walls of the bracket 19. The third motor 20 is installed on the outer side wall of the bracket 19. The output end of the third motor 20 is connected to the housing 6;
[0028] As Figure 1 shown, it further includes a base 21. The base 21 is installed at the bottom end of the bracket 19;
[0029] In this embodiment, the second motor 11 drives the bidirectional lead screw 10 to rotate, causing the bidirectional lead screw 10 to drive two sets of sliders 9 to move towards each other, so that the two sets of sliders 9 drive two sets of chassis 1 to move towards each other, improving the convenience of clamping and fixing two sets of support plates 3 to automobile bumper assemblies of different sizes. The first motor 8 drives the guide groove 7 to rotate horizontally, causing the guide groove 7 to drive the automobile bumper assembly to rotate horizontally. The rotating device drives the housing 6 to rotate and adjust at an inclined angle, so that the automobile bumper assembly is inclined at an angle, improving the convenience of processing the automobile bumper assembly. By operating two sets of handwheels 14 to drive two sets of worms 13 to rotate, the two sets of worms 13 drive two sets of support arms 2 to swing and rotate through meshing with two sets of worm wheels 12, improving the convenience of angle adjustment and positioning of the two sets of support arms 2.
[0030] A fixture for processing an automobile bumper assembly of the present utility model, when working, places the automobile bumper assembly to be fixed between two sets of support plates 3, and then drives two sets of chassis 1 to move closer to each other through the support device, so that the two sets of chassis 1 drive two sets of support plates 3 to respectively contact both sides of the automobile bumper assembly. Then, the two sets of clamping plates 5 are driven to move through the adjusting device, so that the two sets of clamping plates 5 cooperate with the two sets of support plates 3 to clamp and fix both sides of the automobile bumper assembly. The inclination angle of the two sets of support arms 2 is adjusted and swung through the driving device, so that the fixture clamps and fixes automobile bumper assemblies of different models.
[0031] The first motor 8, the second motor 11 and the third motor 20 of a fixture for processing an automobile bumper assembly of the present utility model are purchased on the market. Those skilled in the industry only need to install and operate according to the attached user manual, without the need for creative labor from those skilled in the art.
[0032] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.
Claims
1. A vehicle bumper assembly processing fixture, comprising two sets of chassis (1) and two sets of support arms (2), wherein the lower parts of the two sets of support arms (2) are rotatably mounted on the inner side walls of the two sets of chassis (1); characterized in that: The machine box (1) further comprises an adjusting device, a driving device, a supporting device, two groups of supporting plates (3), two groups of guiding frames (4) and two groups of clamping plates (5), wherein the two groups of supporting plates (3) are respectively mounted on the top ends of the two groups of supporting arms (2), the two groups of guiding frames (4) are respectively mounted on the outer side walls of the two groups of supporting plates (3), the two groups of clamping plates (5) are respectively slidably mounted on the two groups of guiding frames (4) through the adjusting device, a driving device is arranged in the machine box (1), the driving device is used to drive the supporting arms (2) to rotate and swing, the two groups of machine boxes (1) are both mounted on the supporting device, and the supporting device is used to drive the two groups of machine boxes (1) to move and adjust.
2. The automobile bumper assembly processing fixture according to claim 1, characterized in that: The supporting device comprises a rotating device, a housing (6), a guide groove (7), a first motor (8), two sets of sliders (9), a bidirectional lead screw (10) and a second motor (11); the housing (6) is mounted on the rotating device; the rotating device is used to drive the housing (6) to tilt and rotate; the guide groove (7) is horizontally rotatably mounted on the top of the housing (6); the first motor (8) is mounted on the inner side wall of the housing (6); the output end of the first motor (8) is connected to the bottom end of the guide groove (7); the two sets of sliders (9) are slidably mounted on the inner side wall of the guide groove (7); the top ends of the two sets of sliders (9) are respectively connected to the bottom ends of the two sets of chassis (1); the bidirectional lead screw (10) is rotatably mounted on the inner side wall of the guide groove (7); the two sets of sliders (9) are respectively screwed on the bidirectional lead screw (10); the second motor (11) is mounted on the outer side wall of the guide groove (7); the output end of the second motor (11) is connected to the bidirectional lead screw (10).
3. The automobile bumper assembly processing fixture according to claim 1, characterized in that: The driving device comprises two sets of worm gears (12), two sets of worm screws (13) and two sets of hand wheels (14). The two sets of worm gears (12) are respectively mounted on the rotating ends of the two sets of support arms (2). The two sets of worm screws (13) are respectively rotatably mounted on the inner side walls of the two sets of chassis (1). The two sets of worm screws (13) are respectively meshed with the two sets of worm gears (12). The two sets of hand wheels (14) are respectively mounted on the ends of the two sets of worm screws (13).
4. The automobile bumper assembly processing fixture as claimed in claim 2, characterized in that: It also includes a sleeve (15) and two sets of limiting rods (16), wherein the sleeve (15) is mounted at the middle of the top end of the guide groove (7), and the two sets of limiting rods (16) are slidably mounted at the front and rear parts of the sleeve (15) respectively, and a top screw is arranged on the sleeve (15).
5. The automobile bumper assembly processing fixture as claimed in claim 1, characterized in that: The adjusting device comprises two sets of one-way screws (17) and two sets of handles (18), the two sets of one-way screws (17) are rotatably mounted on two sets of support plates (3) and two sets of guide frames (4), the two sets of clamping plates (5) are respectively screwed on the two sets of one-way screws (17), and the two sets of handles (18) are respectively mounted on the ends of the two sets of one-way screws (17).
6. The automobile bumper assembly processing fixture as claimed in claim 2, characterized in that: The rotating device comprises a bracket (19) and a third motor (20), the two ends of the housing (6) are rotatably mounted on the inner wall of the bracket (19), the third motor (20) is mounted on the outer wall of the bracket (19), and the output end of the third motor (20) is connected to the housing (6).
7. The automobile bumper assembly processing fixture as claimed in claim 6, characterized in that: It also includes a base (21), which is mounted on the bottom end of the bracket (19).
Citation Information
Patent Citations
Bumper detection clamp
CN214490237U