Flexible testing fixture for automobile body covering part
By designing a linear and circular movement mechanism for a flexible inspection fixture, adaptive inspection of vehicle body panels was achieved, solving the problem of poor versatility of existing inspection fixtures, improving inspection efficiency and accuracy, and reducing costs and timelines due to vehicle model changes.
Patent Information
- Application Number
- CN202520154267.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-01-22
AI Technical Summary
Existing body panel fixtures have a fixed structure and poor versatility, which means that they need to be redesigned and remanufactured when the model is updated or the design is changed, increasing costs and extending the research and development and production cycle.
A flexible inspection fixture comprising a linear movement mechanism, an arc frame, and a ring movement mechanism was designed. Through devices such as an electric telescopic rod, rollers, and sensors, it can achieve adaptive inspection of the cover, and can depict and record the outline and size of the cover, adapting to cover shapes of different types.
It improves the flexibility and accuracy of testing, reduces costs and time caused by vehicle model changes, and enhances the practicality of the device.
Smart Images
Figure CN223663949U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of automobile manufacturing detection equipment, especially to automobile body covering piece flexible gauge. BACKGROUND
[0002] The body covering piece is an important component of the automobile body, and usually refers to various sheet metal parts constituting the external shape of the automobile body. The engine cover, doors, fenders, trunk lids, roofs and the like of the automobile all belong to the body covering piece. They not only determine the appearance modeling of the automobile, but also have an important influence on the aerodynamic performance, safety and sound and heat insulation of the automobile, so the gauge detects the size and contour line of the covering piece.
[0003] The existing body covering piece gauge has a fixed structure and poor versatility, and when the vehicle model is updated or the body covering piece design is changed, the original gauge often cannot be used, and a new one needs to be designed and manufactured, resulting in increased cost and prolonged product development and production cycle, so the automobile body covering piece flexible gauge is needed to solve the above problems. SUMMARY
[0004] (I) Technical problems solved
[0005] In view of the deficiencies of the prior art, the utility model provides an automobile body covering piece flexible gauge, which solves the problem of the existing body covering piece gauge, which has a fixed structure and poor versatility.
[0006] II. Technical solutions
[0007] To achieve the above purpose, the utility model provides the following technical scheme: an automobile body covering piece flexible gauge, comprising a workbench, two outer sides of the workbench are respectively provided with linear motion mechanisms, two linear motion mechanisms are jointly and slidably connected with an arc-shaped frame, the outer side of the arc-shaped frame is slidably connected with a detection mechanism, the arc-shaped frame drives the detection mechanism to slide in a ring shape through a ring-shaped motion mechanism, the detection mechanism comprises a sliding block, and the sliding block is slidably connected to the outer side of the arc-shaped frame, the bottom surface of the sliding block is fixedly provided with an electric telescopic rod, the bottom end of the electric telescopic rod is fixedly provided with a top seat, a plurality of spring telescopic rods are symmetrically installed on the bottom surface of the top seat, the bottom ends of the plurality of spring telescopic rods are jointly provided with a base, a roller is installed on the bottom surface of the base, and a plurality of sensors are installed on the bottom surface of the base.
[0008] Preferably, the annular moving mechanism comprises a half-toothed ring, the half-toothed ring is installed on the side wall of the arc-shaped frame, the outer side of the sliding block is fixedly installed with a second motor, the output shaft of the second motor penetrates through the sliding block and is installed with a gear, the gear is engaged with the half-toothed ring, the arc-shaped frame is installed with an annular guide rail on the side wall, the annular guide rail is slidably connected with a connecting seat, and the other end of the output shaft of the second motor is rotatably connected to the outer side of the connecting seat.
[0009] Preferably, the annular moving mechanism further comprises a plurality of annular sliding grooves, and each annular sliding groove is formed in the outer side of the arc-shaped frame, and the sliding block is slidably connected with each annular sliding groove.
[0010] Preferably, each of the linear moving mechanisms comprises a linear guide rail, and the linear guide rail is fixedly installed on the outer side of the workbench, each of the linear guide rails is rotatably connected with a threaded rod, each of the threaded rods is threadedly connected with a threaded sleeve, each of the threaded sleeves is fixedly connected with the bottom end of the arc-shaped frame, and each of the threaded sleeves is slidably connected with the linear guide rail corresponding in position.
[0011] Preferably, the outer side of the arc-shaped frame is formed with an annular through groove, and the output shaft of the second motor is movably connected in the annular through groove.
[0012] Preferably, the outer side of each of the linear guide rails is fixedly installed with a first motor, and the output shaft of each of the first motors penetrates through the linear guide rail and is connected with the threaded rod corresponding in position.
[0013] Three beneficial effects
[0014] Compared with the prior art, the utility model provides a kind of, with following beneficial effects:
[0015] 1, the utility model spring telescopic rod, sensor, gyro wheel, electric telescopic rod etc., realize by electric telescopic rod drive gyro wheel and the one end outer side of covering piece contact, and by linear moving mechanism can make gyro wheel along the profile of covering piece slide, and by multiple spring telescopic rod make gyro wheel always with the profile of covering piece resist, to delineate the linear profile line of covering piece, and by multiple sensor, its profile line and size are recorded, convenient subsequent comparison, and by the effect of spring telescopic rod, can make device self-adapting different shape covering piece, to enhance the practicability of device.
[0016] 2, the utility model annular moving mechanism, linear moving mechanism etc., realize that the sliding angle of detection mechanism can be adjusted by annular moving mechanism, and be locked at the angle, to cooperate linear moving mechanism can realize the outside of covering piece is detected comprehensively. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1The utility model provides a structure schematic drawing of flexible testing fixture of automobile body covering piece.
[0018] Figure 2 The utility model provides a structure schematic drawing of detection mechanism of flexible testing fixture of automobile body covering piece.
[0019] Figure 3 The utility model provides a structure schematic drawing of linear moving mechanism of flexible testing fixture of automobile body covering piece.
[0020] Figure 4 The utility model provides a structure schematic drawing of annular moving mechanism of flexible testing fixture of automobile body covering piece.
[0021] In the drawing: 1, workbench;2, linear moving mechanism;21, first motor;22, threaded rod;23, threaded sleeve;24, linear guide rail;3, arc frame;4, detection mechanism;41, sliding block;42, electric telescopic rod;43, top seat;44, spring telescopic rod;45, base;46, gyro wheel;47, sensor;5, annular moving mechanism;51, second motor;52, annular sliding slot;53, annular through slot;54, half toothed ring;55, annular guide rail;56, gear wheel. Specific implementation
[0022] In the utility model, under the condition of not making opposite statement, the orientation such as " upper, lower " is usually for the direction shown in the drawing, or for the vertical, perpendicular or gravity direction;Similarly, for the convenience of understanding and description, " left, right " is usually for the left, right shown in the drawing;" inner, outer " refers to the inner, outer of the contour of each component itself, but the above orientation words are not used to limit the utility model.
[0023] The utility model provides a kind of technical scheme of:
[0024] Refer to Figures 1-4 Flexible testing fixture of automobile body covering piece, including workbench 1, the two outer sides of workbench 1 are respectively installed with linear moving mechanism 2, two linear moving mechanisms 2 are slidably connected with arc frame 3 in common, and arc frame 3 is slidably connected with detection mechanism 4 outside, and arc frame 3 drives detection mechanism 4 annular sliding through annular moving mechanism 5, and detection mechanism 4 includes sliding block 41, and sliding block 41 is slidably connected to the outside of arc frame 3, and the bottom surface of sliding block 41 is fixedly installed with electric telescopic rod 42, and the bottom end of electric telescopic rod 42 is fixedly installed with top seat 43, and the bottom surface of top seat 43 is symmetrically installed with multiple spring telescopic rods 44, and the bottom end of multiple spring telescopic rods 44 is commonly installed with base 45, and the bottom surface of base 45 is installed with gyro wheel 46, and the bottom surface of base 45 is installed with multiple sensors 47.
[0025] It should be noted that the plurality of sensors 47 are of different types, and can record the profile and size of the cover that the roller 46 slides through. The plurality of electric telescopic rods 42 are used to make the roller 46 contact the outer side of one end of the cover, and the linear movement mechanism 2 is used to make the arc-shaped frame 3 slide, so as to move the roller 46 to slide, and the plurality of spring telescopic rods 44 are used to make the roller 46 always tightly contact the outer side of the cover. Compared with a rigid gauge, the device can adaptively adjust according to the actual shape and surface condition of the vehicle body cover, and then the roller 46 can draw the profile line of the cover at the linear position. The detection mechanism 4 is driven to rotate by the annular movement mechanism 5, so that the linear position of the detection mechanism 4 moves. Therefore, the profile and size of the cover can be accurately detected through multiple measurements, so that the data can be compared with the database.
[0026] Further, the annular movement mechanism 5 comprises a half-toothed ring 54, the half-toothed ring 54 is installed on the side wall of the arc-shaped frame 3, the outer side of the sliding block 41 is fixedly installed with a second motor 51, the output shaft of the second motor 51 penetrates the sliding block 41 and is installed with a gear 56, the gear 56 is engaged with the half-toothed ring 54, an annular guide rail 55 is installed on the side wall of the arc-shaped frame 3, the annular guide rail 55 is slidably connected with a connecting seat, and the other end of the output shaft of the second motor 51 is rotatably connected to the outer side of the connecting seat. The stability of the sliding block 41 when sliding can be increased through the connecting seat and the annular guide rail 55.
[0027] Further, the annular movement mechanism 5 further comprises a plurality of annular sliding grooves 52, and each annular sliding groove 52 is formed on the outer side of the arc-shaped frame 3, and the sliding block 41 is slidably connected with each annular sliding groove 52. Specifically, the cross section of each annular sliding groove 52 can be designed as T-shaped, so as to provide guiding and limiting functions for the sliding block 41.
[0028] Further, each linear movement mechanism 2 comprises a linear guide rail 24, and the linear guide rail 24 is fixedly installed on the outer side of the workbench 1. Each linear guide rail 24 is rotatably connected with a threaded rod 22, each threaded rod 22 is threadedly connected with a threaded sleeve 23, and each threaded sleeve 23 is fixedly connected with the bottom end of the arc-shaped frame 3. Each threaded sleeve 23 is slidably connected with the corresponding linear guide rail 24. The linear guide rail 24 limits the rotation of the threaded sleeve 23, so that it can only linearly slide.
[0029] Further, the outer side of the arc-shaped frame 3 is provided with an annular through slot 53, and the output shaft of the second motor 51 is movably connected in the annular through slot 53.
[0030] Further, the outer side of each linear guide rail 24 is fixedly installed with a first motor 21, and the output shaft of each first motor 21 penetrates the linear guide rail 24 and is connected with the corresponding threaded rod 22.
[0031] In specific use, the working principle of the utility model is as follows:
[0032] In the utility model, when the device is used, first, the operator places the vehicle body covering member on the top surface of the workbench 1, then limits the covering member on the top surface of the workbench 1 through the external clamping fixing device, reduces the displacement of the covering member, then can mobilize the gear 56 to rotate by starting the second motor 51, the gear 56 is engaged with the half-toothed ring 54, so that the sliding block 41 can slide on the outside of the arc-shaped frame 3, after adjusting the sliding position of the sliding block 41, stop the second motor 51, it needs to be explained that the second motor 51 and the first motor 21 are both servo motors, which can accurately control the rotation angle of the output shaft and can lock the output shaft, so that the sliding block 41 is fixed after adjusting the position of the sliding block 41, then drive the roller 46 to slide downward by starting the electric telescopic rod 42, and contact with one side of the covering member, then start the plurality of first motors 21, drive the threaded rod 22 to rotate, drive the arc-shaped frame 3 to slide linearly through the cooperation of the threaded sleeve 23 and the linear guide rail 24, so that the roller 46 slides linearly along one side of the covering member, and the roller 46 and the outside of the covering member are always in close contact through the elastic force of the plurality of spring telescopic rods 44, so that the profile of one side of the covering member can be drawn through the roller 46, and the profile line and the size are recorded through the plurality of sensors 47, so that the data and the database can be compared, the profile and the size of the outside of the covering member can be measured comprehensively by adjusting the sliding block 41 at different angles, and the device can adapt to covering members of different shapes through the force of the spring telescopic rod 44, so as to enhance the practicability of the device.
[0033] The above is only a specific embodiment of the utility model, but the technical features of the utility model are not limited to this. Any simple change, equivalent replacement or modification made on the basis of the utility model to solve the same technical problem and achieve the same technical effect is covered by the protection scope of the utility model.
Claims
1. Flexible gauge for automobile body covering, comprising a worktable (1), characterized in that, The workbench (1) is provided with linear moving mechanisms (2) on both sides, the two linear moving mechanisms (2) are slidably connected with an arc-shaped frame (3), the arc-shaped frame (3) is slidably connected with a detection mechanism (4) on the outer side, the arc-shaped frame (3) drives the detection mechanism (4) to slide in a ring shape through a ring-shaped moving mechanism (5), the detection mechanism (4) comprises a sliding block (41) slidably connected to the outer side of the arc-shaped frame (3), an electric telescopic rod (42) is fixedly installed on the bottom surface of the sliding block (41), a top seat (43) is fixedly installed at the bottom end of the electric telescopic rod (42), a plurality of spring telescopic rods (44) are symmetrically installed on the bottom surface of the top seat (43), a base (45) is commonly installed at the bottom ends of the spring telescopic rods (44), a plurality of sensors (47) are installed on the bottom surface of the base (45), and a plurality of rollers (46) are installed on the bottom surface of the base (45).
2. The automotive body cover flexible gauge of claim 1, wherein, The ring-shaped moving mechanism (5) comprises a half-toothed ring (54) installed on the side wall of the arc-shaped frame (3), a second motor (51) is fixedly installed on the outer side of the sliding block (41), the output shaft of the second motor (51) penetrates through the sliding block (41) and is provided with a gear (56), the gear (56) is engaged with the half-toothed ring (54), an annular guide rail (55) is installed on the side wall of the arc-shaped frame (3), and a connecting seat is slidably connected in the annular guide rail (55), and the other end of the output shaft of the second motor (51) is rotatably connected to the outer side of the connecting seat.
3. The automotive body cover flexible gauge of claim 2, wherein, The ring-shaped moving mechanism (5) further comprises a plurality of annular sliding grooves (52), and each annular sliding groove (52) is formed in the outer side of the arc-shaped frame (3), and the sliding block (41) is slidably connected with each annular sliding groove (52).
4. The automotive body cover flexible gauge of claim 3, wherein, Each linear moving mechanism (2) comprises a linear guide rail (24) fixedly installed on the outer side of the workbench (1), each screw rod (22) is rotatably connected in each linear guide rail (24), each screw sleeve (23) is threadedly connected on each screw rod (22), each screw sleeve (23) is fixedly connected with the bottom end of the arc-shaped frame (3), and each screw sleeve (23) is slidably connected with the linear guide rail (24) corresponding in position.
5. The automotive body cover flexible gauge of claim 4, wherein, The outer side of the arc-shaped frame (3) is provided with a ring-shaped through groove (53), and the output shaft of the second motor (51) is movably connected in the ring-shaped through groove (53).
6. The automotive body cover flexible gauge of claim 5, wherein, The outer side of each linear guide rail (24) is fixedly provided with a first motor (21), and the output shaft of each first motor (21) penetrates through the linear guide rail (24) and is connected with the screw rod (22) corresponding in position.