Welding seam flatness detection equipment for automobile door panel
By designing a self-positioning clamping mechanism and a flatness positioning monitoring mechanism, the automated detection of the welds of the automobile door panel is achieved, solving the problems of low efficiency and low detection accuracy of existing equipment, improving the detection efficiency and accuracy, and improving the detection effect when there is insufficient light.
Patent Information
- Application Number
- CN202421549441.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-03
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-07-03
AI Technical Summary
The existing automotive door panel weld leveling inspection equipment is inefficient and has low detection accuracy, mainly because it requires manual movement of the vehicle door panel for inspection.
A detection device including a self-positioning clamping mechanism and a flatness positioning monitoring mechanism is designed. The self-positioning clamping mechanism realizes adaptive adjustment and universal movement of the car door panel through components such as motors, hydraulic cylinders and ball screws, while the flatness positioning monitoring mechanism uses laser measuring instruments and fill light components for high-precision detection.
Automatic inspection of welds of automobile door panels is realized, which improves detection efficiency and accuracy, avoids the inaccuracy of manual inspection, and improves the detection effect through fill light components when there is insufficient light.
Smart Images

Figure CN222671005U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of automobile processing, in particular to a device for detecting the flatness of a weld seam of an automobile door panel. Background Art
[0002] Automobile door panels refer to the inner panels of the doors installed on the side of the automobile body and used to close the interior of the vehicle. This component is usually made of various materials, such as plastic, alloy or composite materials. Automobile door panels have multiple functions and roles, such as interior decoration control switch installation, sound insulation and heat insulation. When the automobile door panels need to be processed, they need to be welded. After welding, it is difficult to ensure that the weld seam of the automobile door panel is completely flat, so a device for detecting the flatness of the weld seam of the automobile door panel is needed.
[0003] Existing automobile door panel weld flatness detection equipment usually requires workers to manually move the position of the automobile door panel or use handheld detection instruments for detection. This detection method is relatively inefficient during large-scale processing, and the detection accuracy may also be inaccurate due to different manual detection methods, so improvements are needed. Utility Model Content
[0004] The utility model aims to provide a device for detecting the flatness of the weld seam of an automobile door panel, which is characterized by comprising a bottom plate and a self-positioning clamping mechanism;
[0005] A self-positioning clamping mechanism is provided on the top of the base plate, and the self-positioning clamping mechanism includes a motor. The outer wall of the base plate is fixedly connected to the motor, and the output shaft of the motor is fixedly connected to the rotating shaft through a coupling. The outer wall of the rotating shaft is fixedly connected to a ball screw, and the outer wall of the ball screw is cooperated with a ball nut installed.
[0006] Preferably, the top of the ball nut is fixedly connected to a first nesting block, the outer wall of the first nesting block is fixedly connected to a first lateral fixing block, and the top of the first lateral fixing block is fixedly connected to a first hydraulic cylinder.
[0007] The second lateral fixing block can be conveniently pushed by connecting the first lateral fixing block and the first hydraulic cylinder.
[0008] Preferably, the top of the first hydraulic cylinder is fixedly connected to a second lateral fixing block, the outer wall of the second lateral fixing block is fixedly connected to a second nesting block, and the outer wall of the second nesting block is fixedly connected to an electric turntable.
[0009] The automobile door panel can be conveniently rotated by connecting the second nesting block and the electric turntable.
[0010] Preferably, a transmission rod is fixedly connected to the outer wall of the electric turntable, and the other end of the transmission rod is fixedly connected to a clamping base plate.
[0011] The transmission rod can be conveniently rotated by connecting the electric turntable and the transmission rod.
[0012] Preferably, the outer wall of the clamping base plate is fixedly connected with a plurality of connecting plates, the outer wall of the connecting plate is fixedly connected with a second hydraulic cylinder, the outer wall of the second hydraulic cylinder is penetrated by a nesting plate, the other end of the second hydraulic cylinder is fixedly connected with a clamping plate, and the outer wall of the clamping plate is fixedly connected with an anti-slip pad.
[0013] By connecting the clamping plate and the anti-skid pad, sliding can be easily prevented.
[0014] Preferably, a flatness positioning monitoring mechanism is provided on the top of the base plate, and the flatness positioning monitoring mechanism includes a connecting rod, the top of the base plate is fixedly connected to the connecting rod, the top of the connecting rod is fixedly connected to a back plate, and the outer wall of the back plate is fixedly connected to a plurality of guide rods.
[0015] The laser detector can be assisted to move by connecting the back plate and the guide rod.
[0016] Preferably, a guide block is connected through the outer wall of the guide rod, an electric push rod is fixedly connected to the outer wall of the back plate, a laser measuring instrument is fixedly connected to the other end of the electric push rod, and a plurality of fill light components are fixedly connected to the outer wall of the laser measuring instrument.
[0017] By using multiple fill light components fixedly connected to the laser measuring instrument, fill light effects can be easily achieved.
[0018] Compared with the prior art, the beneficial effects of the utility model are:
[0019] 1. The utility model achieves the effect of adaptively adjusting the position of the automobile door panel to cooperate with the flatness detection work through the setting of the self-positioning clamping mechanism. First, the automobile door panel is placed in the clamping plate, and then the clamping plate is pulled inward by the second hydraulic cylinder to clamp the automobile door panel. The design of this function can effectively fix the automobile door panel to prevent the automobile door panel from falling when adjusting the position of the automobile door panel. Then, the position of the automobile door panel can be adjusted according to the position of the weld. The first nested block can be driven to move left and right by the motor to drive the rotating shaft and the ball screw to rotate, and then the clamping base plate will drive the automobile door panel to move left and right. The first hydraulic cylinder is used to push or retract the second side fixing block to achieve the effect of lifting and lowering the automobile door panel. The electric turntable can drive the clamping base plate to rotate, and then the automobile door panel rotates. Through the design of the above functions, the automobile door panel can be universally moved, and the weld can be conveniently adjusted to a suitable position for detection. In general, the mechanism effectively avoids the problem of manually moving the automobile door panel for detection.
[0020] 2. The utility model achieves the effect of flatness detection of welds by setting a flatness positioning monitoring mechanism, and can also avoid the problem of poor detection effect caused by too dark light. After the self-positioning clamping mechanism adjusts the automobile door panel to a suitable position, the electric push rod is used to move the laser measuring instrument forward and backward. Through the design of this function, the laser measuring instrument and the automobile door panel can be in a suitable position, and then the fill light component performs fill light work. Then the self-positioning clamping mechanism can be used to move the automobile door panel left and right or up and down according to the position of the weld, so as to achieve the effect of detecting the flatness of the automobile door panel weld. In general, the design of this mechanism can effectively detect the automobile door panel weld, and can also avoid the problem of poor detection effect caused by too dark light. This mechanism cooperates with the self-positioning clamping mechanism to effectively improve the automation effect of the detection equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a schematic diagram of the overall structure of a device for detecting the flatness of a weld seam on a car door panel according to the utility model;
[0022] Figure 2 This is a schematic diagram of the structure of a self-positioning clamping mechanism for a welding seam flatness detection device for automobile door panels of the utility model;
[0023] Figure 3 This is a schematic diagram of the internal structure of a self-positioning clamping mechanism for a welding seam flatness detection device for automobile door panels of the utility model;
[0024] Figure 4 This is a schematic diagram of the structure of a self-positioning clamping mechanism for a welding seam flatness detection device for automobile door panels of the utility model;
[0025] Figure 5 This is a schematic diagram of the structure of a flatness positioning monitoring mechanism for a flatness detection device for a weld seam of an automobile door panel according to the utility model;
[0026] Numbers in the figure: 1, bottom plate; 2, self-positioning clamping mechanism; 201, motor; 202, rotating shaft; 203, ball screw; 204, ball nut; 205, first nesting block; 206, first lateral fixing block; 207, first hydraulic cylinder; 209, second lateral fixing block; 210, second nesting block; 211, electric turntable; 212, transmission rod; 213, clamping base plate; 214, connecting plate; 215, second hydraulic cylinder; 216, nesting plate; 217, clamping plate; 218, anti-slip pad; 3, flatness positioning monitoring mechanism; 301, connecting rod; 302, back plate; 303, guide rod; 304, guide block; 305, electric push rod; 306, laser measuring instrument; 307, fill light component. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] See also Figure 1 The utility model is a device for detecting the flatness of a weld of a car door panel, comprising a bottom plate 1 and a self-positioning clamping mechanism 2, the top of the bottom plate 1 is provided with the self-positioning clamping mechanism 2, and the top of the bottom plate 1 is provided with a flatness positioning monitoring mechanism 3.
[0029] Among them: when the self-positioning clamping mechanism 2 performs self-positioning clamping work on the automobile door panel, the effect of adaptively adjusting the position of the automobile door panel to cooperate with the flatness detection work is achieved; when the flatness positioning monitoring mechanism 3 performs flatness positioning monitoring work on the automobile door panel, the effect of flatness detection of the weld is achieved, and the problem of poor detection effect caused by too dark light can also be avoided.
[0030] See also Figures 1 to 3A device for detecting the flatness of weld seams on automobile door panels, wherein the self-positioning clamping mechanism 2 comprises a motor 201, the outer wall of the bottom plate 1 is fixedly connected to the motor 201, the output shaft of the motor 201 is fixedly connected to a rotating shaft 202 through a coupling, the outer wall of the rotating shaft 202 is fixedly connected to a ball screw 203, the outer wall of the ball screw 203 is matched with a ball nut 204, the top of the ball nut 204 is fixedly connected to a first nesting block 205, the outer wall of the first nesting block 205 is fixedly connected to a first lateral fixing block 206, the top of the first lateral fixing block 206 is fixedly connected to a first hydraulic cylinder 207, the top of the first hydraulic cylinder 207 is fixedly connected to a second lateral fixing block 206, and the outer wall of the first nesting block 205 is fixedly connected to a first lateral fixing block 206. The outer wall of the second side fixed block 209 is fixedly connected with the second nesting block 210, the outer wall of the second nesting block 210 is fixedly connected with the electric turntable 211, the outer wall of the electric turntable 211 is fixedly connected with the transmission rod 212, the other end of the transmission rod 212 is fixedly connected with the clamping base plate 213, the outer wall of the clamping base plate 213 is fixedly connected with a plurality of connecting plates 214, the outer wall of the connecting plate 214 is fixedly connected with the second hydraulic cylinder 215, the outer wall of the second hydraulic cylinder 215 is penetrated with the nesting plate 216, the other end of the second hydraulic cylinder 215 is fixedly connected with the clamping plate 217, and the outer wall of the clamping plate 217 is fixedly connected with the anti-slip pad 218.
[0031] Among them: when the self-positioning clamping mechanism 2 performs self-positioning clamping work on the automobile door panel, the position of the automobile door panel can be adaptively adjusted to cooperate with the flatness detection work. First, the automobile door panel is placed in the clamping plate 217, and then the clamping plate 217 is pulled inward by the second hydraulic cylinder 215 to clamp the automobile door panel. Then, the position of the automobile door panel can be adjusted according to the weld position. The motor 201 drives the rotating shaft 202 and the ball screw 203 to rotate, which can drive the first nesting block 205 to move left and right, and then the clamping base plate 213 will drive the automobile door panel to move left and right. The first hydraulic cylinder 207 is used to push or retract the second side fixing block 209 to achieve the effect of lifting and lowering the automobile door panel. The electric turntable 211 can drive the clamping base plate 213 to rotate.
[0032] See also Figure 1 , Figure 4 and Figure 5 A device for detecting the flatness of a weld seam of a car door panel, wherein a flatness positioning monitoring mechanism 3 comprises a connecting rod 301, the top of a bottom plate 1 is fixedly connected with the connecting rod 301, the top of the connecting rod 301 is fixedly connected with a back plate 302, the outer wall of the back plate 302 is fixedly connected with a plurality of guide rods 303, the outer wall of the guide rod 303 is penetrated with a guide block 304, the outer wall of the back plate 302 is fixedly connected with an electric push rod 305, the other end of the electric push rod 305 is fixedly connected with a laser measuring instrument 306, and the outer wall of the laser measuring instrument 306 is fixedly connected with a plurality of fill light components 307.
[0033] Among them: when the flatness positioning monitoring mechanism 3 performs flatness positioning monitoring on the automobile door panel, the effect of flatness detection of the weld is achieved, and the problem of poor detection effect caused by too dark light can also be avoided. After the automobile door panel is adjusted to a suitable position, the electric push rod 305 is used to move the laser measuring instrument 306 back and forth. Through the design of this function, the laser measuring instrument 306 and the automobile door panel can be in a suitable position, and then the fill light component 307 performs fill light work. Then, the automobile door panel can be moved left and right or up and down according to the position of the weld as above, so as to achieve the effect of detecting the flatness of the automobile door panel weld.
[0034] The working principle of the utility model is as follows: first, the automobile door panel is placed in the clamping plate 217, and then the clamping plate 217 is pulled inward by the second hydraulic cylinder 215 to clamp the automobile door panel. Then, the position of the automobile door panel can be adjusted according to the position of the weld. The motor 201 drives the rotating shaft 202 and the ball screw 203 to rotate, which can drive the first nesting block 205 to move left and right, and then the clamping base plate 213 will drive the automobile door panel to move left and right. The first hydraulic cylinder 207 is used to push or retract the second lateral fixing block 209 to achieve the effect of lifting the automobile door panel. The plate 211 can drive the clamping substrate 213 to rotate, and then the automobile door panel rotates. After the automobile door panel is adjusted to a suitable position, the electric push rod 305 is used to move the laser measuring instrument 306 forward and backward. Through the design of this function, the laser measuring instrument 306 and the automobile door panel can be in a suitable position. Then the fill light component 307 performs the fill light work, and then the automobile door panel can be moved left and right or up and down according to the position of the weld as above, so as to achieve the effect of detecting the flatness of the automobile door panel weld. The model of the laser measuring instrument 306 is: LJ-X8900.
[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A device for detecting the flatness of weld seams on automobile door panels, characterized in that: It comprises a base plate (1) and a self-positioning clamping mechanism (2); A self-positioning clamping mechanism (2) is arranged on the top of the base plate (1), the self-positioning clamping mechanism (2) comprising a motor (201), the outer wall of the base plate (1) is fixedly connected to the motor (201), the output shaft of the motor (201) is fixedly connected to a rotating shaft (202) via a coupling, the outer wall of the rotating shaft (202) is fixedly connected to a ball screw (203), and the outer wall of the ball screw (203) is matched with a ball nut (204) mounted thereon.
2. The device for detecting the flatness of the weld seam of a car door panel according to claim 1 is characterized in that: The top of the ball nut (204) is fixedly connected to a first nesting block (205), the outer wall of the first nesting block (205) is fixedly connected to a first lateral fixing block (206), and the top of the first lateral fixing block (206) is fixedly connected to a first hydraulic cylinder (207).
3. The device for detecting the flatness of the weld seam of a car door panel according to claim 2 is characterized in that: The top of the first hydraulic cylinder (207) is fixedly connected to a second lateral fixing block (209), the outer wall of the second lateral fixing block (209) is fixedly connected to a second nesting block (210), and the outer wall of the second nesting block (210) is fixedly connected to an electric turntable (211).
4. The device for detecting the flatness of the weld seam of a car door panel according to claim 3 is characterized in that: The outer wall of the electric turntable (211) is fixedly connected to a transmission rod (212), and the other end of the transmission rod (212) is fixedly connected to a clamping base plate (213).
5. The device for detecting the flatness of the weld seam of a car door panel according to claim 4 is characterized in that: The outer wall of the clamping base plate (213) is fixedly connected to a plurality of connecting plates (214), the outer wall of the connecting plate (214) is fixedly connected to a second hydraulic cylinder (215), the outer wall of the second hydraulic cylinder (215) is penetrated by a nesting plate (216), the other end of the second hydraulic cylinder (215) is fixedly connected to a clamping plate (217), and the outer wall of the clamping plate (217) is fixedly connected to an anti-slip pad (218).
6. The device for detecting the flatness of the weld seam of a car door panel according to claim 1, characterized in that: A flatness positioning monitoring mechanism (3) is arranged on the top of the base plate (1), and the flatness positioning monitoring mechanism (3) comprises a connecting rod (301), the top of the base plate (1) is fixedly connected to the connecting rod (301), the top of the connecting rod (301) is fixedly connected to a back plate (302), and the outer wall of the back plate (302) is fixedly connected to a plurality of guide rods (303).
7. The device for detecting the flatness of the weld seam of a car door panel according to claim 6, characterized in that: The outer wall of the guide rod (303) is connected with a guide block (304), the outer wall of the back plate (302) is fixedly connected with an electric push rod (305), the other end of the electric push rod (305) is fixedly connected with a laser measuring instrument (306), and the outer wall of the laser measuring instrument (306) is fixedly connected with a plurality of fill light components (307).