Automobile door appearance defect detection device

Abstract

The utility model relates to automobile door detection technical field, concretely is a kind of automobile door appearance defect detection device: including detection table, the surface of the detection table is fixedly connected with electric guide rail, the surface of electric guide rail is slidably connected with detection assembly, the surface of the detection table is provided with control console, the surface of the detection table is provided with switching mechanism, the switching mechanism includes switching table, the surface of the switching table is fixedly connected with support frame.The utility model drives screw rod to rotate by servo motor, moves guiding rod and placement table, moves one group of door to detection table bottom, electric push rod promotes drive plate to make placement table ascend, and placement table drives door to ascend to detection position, detection assembly moves on electric guide rail and detects door, after detecting a group, another group is detected by switching mechanism, without repositioning door, realize quick switching, reduce downtime, improve detection efficiency.

Description

Technical Field

[0001] This utility model relates to the field of automotive door inspection technology, specifically to an automotive door appearance defect detection device. Background Technology

[0002] Car doors are complex sheet metal parts with large dimensions. They are usually formed by multiple stamping processes using stamping dies. After stamping, the outer dimensions of car door parts need to be inspected to avoid appearance defects and ensure the quality of car doors. Therefore, a special car door appearance defect inspection device is required.

[0003] Existing detection devices for inspecting the external dimensions of car doors rely on the movement of inspection components. For example, Chinese Utility Model Patent Application No. CN202222109376.9 describes a car door inspection device. The device places the car door into a door positioning cavity, then positions it using a positioning block. An electric guide rail is powered on, moving a movable seat and a first contact sensor along the rail. During this movement, the first and second contact sensors work together to detect the external dimensions of the car door, enabling comprehensive inspection and ensuring accuracy. However, when inspecting the next set of car doors, the device must again place the door into the positioning cavity and position it using the positioning block, increasing downtime and reducing efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a vehicle door appearance defect detection device to solve the problem mentioned in the background art that, after the existing detection device has finished detecting a vehicle door, it is necessary to put the vehicle door back into the door positioning cavity and then use the positioning block to position the vehicle door when detecting the next group of vehicle doors, which increases the downtime of the detection device and reduces the detection efficiency.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a vehicle door appearance defect detection device, comprising a detection platform, an electric guide rail fixedly connected to the surface of the detection platform, a detection component slidably connected to the surface of the electric guide rail, a control console provided on the surface of the detection platform, a switching mechanism provided on the surface of the detection platform, the switching mechanism comprising a switching platform, a support frame fixedly connected to the surface of the switching platform, a support frame fixedly connected to the surface of the support frame, a guide rod fixedly connected to the surface of the support frame, a lifting rod slidably connected to the surface of the guide rod, a base plate fixedly installed at the bottom of the lifting rod, a placement platform fixedly connected to the top of the lifting rod, a servo motor fixedly connected to the surface of the switching platform, a lead screw fixedly connected to the output shaft of the servo motor, the placement platform threadedly connected to the surface of the lead screw, an electric push rod fixedly connected to the surface of the switching platform, and a drive plate fixedly connected to the piston rod of the electric push rod.

[0006] Preferably, the bottom of the lifting rod is provided with a slot, the base plate is inserted into the slot at the bottom of the lifting rod, the bottom of the guide rod is fixedly connected with a limiting plate, the limiting plate restricts the insertion position of the base plate in the slot of the lifting rod, the surface of the base plate is provided with a threaded hole, and a screw is threaded into the threaded hole, and the surface of the switching table is provided with a working hole.

[0007] Preferably, the surface of the placement platform is provided with a door positioning cavity and a positioning block, and the placement platform is provided with two sets on the guide rod. The guide rod drives the two sets of placement platforms to slide on the switching platform through the support frame.

[0008] Preferably, the servo motor drives the lead screw to rotate via the output shaft, and the lead screw drives the guide rod to slide on the switching platform via rotation. The placement platform and the base plate slide and rise and fall on the guide rod via lifting rods, and four sets of lifting rods are provided.

[0009] Preferably, the electric push rod pushes the drive plate to rise and fall through the piston rod. During the rising process, the drive plate drives the placement platform to rise and fall through the base plate and the lifting rod. A rectangular hole is opened on the surface of the testing platform, and the placement platform rises to the rectangular hole.

[0010] Preferably, the bottom of the slot of the lifting rod is provided with a circular hole, the threaded hole on the base plate is aligned with the circular hole at the bottom of the lifting rod, and the screw passes through the circular hole and the threaded hole of the lifting rod for threaded connection.

[0011] Preferably, the screw engages with the threaded hole to mount the base plate to the bottom of the lifting rod, and the working hole is provided in multiple sets and located on both sides of the switching platform.

[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. This testing device positions the car door on two sets of placement platforms. The control console controls the servo motor to drive the lead screw to rotate, which moves the guide rod and the placement platform, moving one set of car doors to the bottom of the testing platform. The electric push rod pushes the drive plate to raise the placement platform, which in turn raises the car door to the testing position. The testing components move on the electric guide rail to test the car door. After testing one set, the switching mechanism switches to the other set for testing. There is no need to reposition the car door, which enables quick switching, reduces downtime, and improves testing efficiency.

[0013] 2. This testing device uses a servo motor to move the lifting rod and screws to the working hole. The operator uses tools to unscrew the screws, separate the base plate from the lifting rod, pull out the lifting rod and remove the placement platform. When installing a new placement platform, the limiting plate is used for positioning and the screws are used for fixing, so as to realize the replacement of different placement platforms, adapt to different car doors, and enhance the adaptability of the device. Attached Figure Description

[0014] Figure 1 This is a three-dimensional front view of the structure of this utility model; Figure 2 This is a front view schematic diagram of the structure of this utility model; Figure 3 This is a three-dimensional sectional view of one side of the switching console of this utility model. Figure 4 This utility model Figure 2 Enlarged structural diagram at point A; Figure 5 This is a three-dimensional exploded view of one side structure of the guide rod of this utility model, showing a front view, a bottom view, a cross-section, and a perspective view.

[0015] In the diagram: 1. Testing table; 11. Electric guide rail; 12. Testing component; 13. Control console; 2. Switching table; 21. Support frame; 22. Guide rod; 23. Placement platform; 24. Servo motor; 25. Lead screw; 26. Lifting rod; 27. Base plate; 28. Electric push rod; 29. ​​Drive plate; 3. Limit plate; 31. Screw; 32. Threaded hole; 33. Working hole. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figure 1-5 One embodiment provided by this utility model: A vehicle door appearance defect detection device includes a detection platform 1, an electric guide rail 11 fixedly connected to the surface of the detection platform 1, a detection component 12 slidably connected to the surface of the electric guide rail 11, a control console 13 disposed on the surface of the detection platform 1, and a switching mechanism disposed on the surface of the detection platform 1. The switching mechanism includes a switching platform 2, a support frame 21 fixedly connected to the surface of the switching platform 2, a support frame 21 fixedly connected to the surface of the support frame 21, a guide rod 22 fixedly connected to the surface of the support frame 21, a lifting rod 26 slidably connected to the surface of the guide rod 22, a base plate 27 fixedly installed at the bottom of the lifting rod 26, a placement platform 23 fixedly connected to the top of the lifting rod 26, a servo motor 24 fixedly connected to the surface of the switching platform 2, a lead screw 25 fixedly connected to the output shaft of the servo motor 24, and a placement platform 23. A threaded connection is made to the surface of the lead screw 25. An electric push rod 28 is fixedly connected to the surface of the switching table 2. A drive plate 29 is fixedly connected to the piston rod of the electric push rod 28. The car door is positioned on the placement table 23. The electric guide rail 11 and the detection component 12 are existing technologies in the background art, so they will not be described in detail. During the movement of the detection component 12 on the electric guide rail 11, the size detection of the car door on the placement table 23 is performed. Moreover, the switching mechanism is equipped with two sets of placement tables 23 for replacement operation. Thus, when detecting the next set of car doors, it is not necessary to put the car door back into the positioning cavity and then position the car door by the positioning block. The two sets of placement tables 23 can be switched quickly, thereby realizing the detection switching of the car door, reducing the downtime of the detection device and improving the detection efficiency.

[0018] Furthermore, a slot is provided at the bottom of the lifting rod 26, and the base plate 27 is inserted into the slot at the bottom of the lifting rod 26. The bottom of the guide rod 22 is fixedly connected to a limiting plate 3, which restricts the insertion position of the base plate 27 in the slot of the lifting rod 26, making it easy to quickly find the installation position of the base plate 27. A threaded hole 32 is provided on the surface of the base plate 27, and a screw 31 is threaded into the threaded hole 32. A working hole 33 is provided on the surface of the switching table 2, and its base plate 27 can be removed from the bottom of the lifting rod 26, so that the lifting rod 26 can be easily pulled out from the guide rod 22. The lifting rod 26 drives the placement table 23 to be removed from the guide rod 22, and different placement tables 23 can be replaced to adapt to different car doors, thereby improving the adaptability of the detection device.

[0019] Furthermore, the surface of the placement platform 23 is provided with a door positioning cavity and a positioning block. The door is placed on the positioning cavity and positioned by the positioning block to ensure the stability of the door during the inspection process. The placement platform 23 is provided with two sets on the guide rod 22. The guide rod 22 drives the two sets of placement platforms 23 to slide on the switching platform 2 through the support frame 21. The two sets of placement platforms 23 change their relative position relationship with the inspection platform 1 by sliding, thereby facilitating the switching of the placement platform 23.

[0020] Furthermore, the servo motor 24 drives the lead screw 25 to rotate via the output shaft. The lead screw 25 drives the guide rod 22 to slide on the switching platform 2 via rotation. The guide rod 22 drives the placement platform 23 to slide synchronously, thereby realizing the switching of the door position driven by the placement platform 23. The placement platform 23 and the base plate 27 slide and rise on the guide rod 22 via the lifting rod 26. There are four sets of lifting rods 26, which ensure the stability of the placement platform 23 and the base plate 27 during the lifting process.

[0021] Furthermore, the electric push rod 28 pushes the drive plate 29 to rise and fall through the piston rod. During the rise, the drive plate 29 drives the placement platform 23 to rise and fall through the base plate 27 and the lifting rod 26. A rectangular hole is opened on the surface of the test platform 1. The placement platform 23 rises to the rectangular hole. At this time, the placement platform 23 drives the car door to rise to the surface of the test platform 1 and is located inside the electric guide rail 11, which facilitates the test component 12 to perform the test. When the drive plate 29 is not supported, the placement platform 23 drives the lifting rod 26 and the base plate 27 to slide down under the action of gravity. The placement platform 23 is in contact with the surface of the guide rod 22, waiting for the next switch.

[0022] Furthermore, a circular hole is provided at the bottom of the slot of the lifting rod 26, and the threaded hole 32 on the base plate 27 is aligned with the circular hole at the bottom of the lifting rod 26. At this time, the base plate 27 is in contact with the limiting plate 3. The limiting plate 3 allows the base plate 27 to quickly find the installation position on the slot of the base plate 27. The screw 31 passes through the circular hole and the threaded hole 32 of the lifting rod 26 and is threadedly connected. There are four sets of screws 31, corresponding to four sets of lifting rods 26. When installing the base plate 27, it is inserted into the slot at the bottom of the lifting rod 26. Under the guidance of the limiting plate 3, the threaded hole 32 is accurately aligned with the circular hole. Then, the four sets of screws 31 are passed through the circular hole and tightened with the threaded hole 32 in sequence to ensure that the base plate 27 and the lifting rod 26 are firmly connected.

[0023] Furthermore, the screw 31, in conjunction with the threaded hole 32, installs the base plate 27 at the bottom of the lifting rod 26, thereby facilitating the disassembly of the base plate 27, the lifting rod 26, and the placement platform 23. Multiple sets of working holes 33 are provided and located on both sides of the switching platform 2. During the movement of the guide rod 22, the lifting rod 26 and the screw 31 are moved to both sides of the switching platform 2. By passing a tool over the working hole 33, the operating screw 31 can be rotated on the threaded hole 32.

[0024] Working principle: The car door is placed in the door positioning cavity on the surface of the two sets of placement platforms 23. The door is positioned by the positioning block. When the door needs to be inspected, the control console 13 controls the servo motor 24 to start. The output shaft of the servo motor 24 drives the lead screw 25 to rotate. Since the placement platform 23 is threaded to the surface of the lead screw 25, the rotation of the lead screw 25 drives the guide rod 22 to slide on the switching platform 2. The guide rod 22 drives the two sets of placement platforms 23 to move through the support frame 21, moving one of the placement platforms 23 with the car door to the bottom of the inspection platform 1. Then, the electric push rod 28 is activated, and its piston rod pushes the drive plate 29 to rise. The drive plate 29 drives the placement platform 23 to rise through the base plate 27 and the lifting rod 26, so that the car door on the placement platform 23 rises to the surface of the inspection platform 1. At the shaped hole, located inside the electric guide rail 11, the detection component 12 moves on the electric guide rail 11 to perform dimensional detection on the car door. After the detection of this set of car doors is completed, the piston rod of the electric push rod 28 retracts, and the placement stage 23 descends under the action of gravity and contacts the surface of the guide rod 22. Subsequently, the servo motor 24 starts again, moving another placement stage 23 with the car door to be detected to the detection position, and repeating the above detection process. In this way, the two sets of placement stages 23 set by the switching mechanism are switched. When detecting the next set of car doors, it is not necessary to put the car door into the positioning cavity and position it through the positioning block again. The two sets of placement stages 23 can be quickly switched, realizing the detection switching of car doors, reducing the downtime of the detection device, and effectively improving the detection efficiency.

[0025] The guide rod 22 is driven by the servo motor 24 to slide, so that the lifting rod 26 and the screw 31 move to the corresponding positions of the working holes 33 on both sides of the switching table 2. The operator uses a tool to unscrew the screw 31 from the threaded hole 32 on the surface of the base plate 27 through the working hole 33. Since the screw 31 originally passed through the circular hole at the bottom of the slot of the lifting rod 26 and was threadedly connected to the threaded hole 32, after the screw 31 is unscrewed, the base plate 27 is separated from the lifting rod 26. At this point, the lifting rod 26 can be pulled upward along the guide rod 22. The lifting rod 26 drives the placement platform 23 to be removed from the guide rod 22. When installing a new placement platform 23, first align the base plate 27 corresponding to the new placement platform 23 with the slot at the bottom of the lifting rod 26. Under the restriction of the bottom limiting plate 3 of the guide rod 22, quickly determine the installation position so that the threaded hole 32 is aligned with the circular hole at the bottom of the slot of the lifting rod 26. Then, pass the screw 31 through the circular hole and thread it into the threaded hole 32 to complete the installation of the placement platform 23. Different placement platforms 23 can be easily replaced to adapt to different car doors, thus improving the adaptability of the detection device.

[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A device for detecting exterior defects in automobile doors, characterized in that: The system includes a testing platform (1), on which an electric guide rail (11) is fixedly connected. A testing component (12) is slidably connected to the surface of the electric guide rail (11). A control console (13) is provided on the surface of the testing platform (1). A switching mechanism is provided on the surface of the testing platform (1). The switching mechanism includes a switching platform (2). A support frame (21) is fixedly connected to the surface of the switching platform (2). A support frame (21) is fixedly connected to the surface of the support frame (21). A guide rod (22) is fixedly connected to the surface of the support frame (21). A lifting rod (26) is slidably connected to the surface of the rod (22). A base plate (27) is fixedly installed at the bottom of the lifting rod (26). A placement platform (23) is fixedly connected to the top of the lifting rod (26). A servo motor (24) is fixedly connected to the surface of the switching platform (2). A lead screw (25) is fixedly connected to the output shaft of the servo motor (24). The placement platform (23) is threaded onto the surface of the lead screw (25). An electric push rod (28) is fixedly connected to the surface of the switching platform (2). A drive plate (29) is fixedly connected to the piston rod of the electric push rod (28).

2. The vehicle door appearance defect detection device according to claim 1, characterized in that: The bottom of the lifting rod (26) is provided with a slot, and the base plate (27) is inserted into the slot at the bottom of the lifting rod (26). The bottom of the guide rod (22) is fixedly connected to a limiting plate (3), which restricts the insertion position of the base plate (27) in the slot of the lifting rod (26). The surface of the base plate (27) is provided with a threaded hole (32), and a screw (31) is threaded into the threaded hole (32). The surface of the switching table (2) is provided with a working hole (33).

3. The vehicle door appearance defect detection device according to claim 1, characterized in that: The surface of the placement platform (23) is provided with a door positioning cavity and a positioning block. The placement platform (23) is provided with two sets on the guide rod (22). The guide rod (22) drives the two sets of placement platforms (23) to slide on the switching platform (2) through the support frame (21).

4. The vehicle door appearance defect detection device according to claim 3, characterized in that: The servo motor (24) drives the lead screw (25) to rotate through the output shaft. The lead screw (25) drives the guide rod (22) to slide on the switching table (2) through rotation. The placement table (23) and the base plate (27) slide and rise on the guide rod (22) through the lifting rod (26). There are four sets of lifting rods (26).

5. The vehicle door appearance defect detection device according to claim 1, characterized in that: The electric push rod (28) pushes the drive plate (29) up and down through the piston rod. During the upward process, the drive plate (29) drives the placement platform (23) up and down through the base plate (27) and the lifting rod (26). A rectangular hole is opened on the surface of the detection platform (1), and the placement platform (23) rises to the rectangular hole.

6. The vehicle door appearance defect detection device according to claim 2, characterized in that: The bottom of the slot of the lifting rod (26) is provided with a circular hole, and the threaded hole (32) on the base plate (27) is aligned with the circular hole at the bottom of the lifting rod (26). The screw (31) passes through the circular hole and the threaded hole (32) of the lifting rod (26) and is threadedly connected.

7. The vehicle door appearance defect detection device according to claim 6, characterized in that: The screw (31) engages with the threaded hole (32) to install the base plate (27) at the bottom of the lifting rod (26). The working hole (33) is provided in multiple sets and is located on both sides of the switching table (2).

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