Locking inspection device for coated body-in-white

Abstract

The invention discloses a locking inspection device for a coated body-in-white, and the locking inspection device is characterized in that a sliding bracket is in sliding fit with a supporting sliding bed, and the sliding bracket is used for bearing and locking the body-in-white, so that the body-in-white is driven to move to a corresponding position of the supporting sliding bed through the sliding bracket; then the features of the bodies in white of different vehicle types are inspected through a feature inspection piece arranged on the supporting sliding bed, and the inspected features are compared with feature codes, stored in a storage unit of the control module, of the bodies in white of different vehicle types so as to ensure that the two sets of data are consistent; according to the lifting modes of the body-in-white for different vehicle types in the storage unit, after the body-in-white is lifted in place by the first lifting module and the second lifting module, the locking state of the body-in-white is checked through the locking checking module, so that locking between the body-in-white and the sliding bracket is completed; the device and the method are used for correspondingly carrying out locking inspection on different vehicle types of white vehicle bodies, so that the locking effect of the white vehicle bodies is ensured, and potential safety hazards in the white vehicle body coating process are reduced.

Description

Technical Field

[0001] This application relates to the field of automotive manufacturing technology, and more specifically, to a locking device for a painted body-in-white. Background Technology

[0002] During the painting process of the body-in-white, due to the pretreatment of the painting line and the continuous immersion in the electrophoresis tank, the body-in-white is tilted at a 45° angle or flipped 360° in and out of the tank. To prevent the body-in-white from tilting or falling off during processing, a locking check is usually required. In existing technology, the locking check of the body-in-white usually involves using multiple sets of cylinders to lift the body-in-white after locking to determine whether it is locked in place. However, the body-in-white structures of different models are different, which can lead to asynchronous lifting of the front and rear of the body-in-white due to mismatched cylinder lifting combinations. This can result in cracking of the locking point or incomplete lifting, making it impossible to identify the locking, thus causing safety accidents and posing safety hazards.

[0003] In conclusion, how to perform locking checks on the body-in-white of different vehicle models to reduce safety hazards is a problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0004] In view of this, the purpose of this application is to provide a locking inspection device for painted body-in-white, which can perform locking inspection on body-in-white of different models and reduce safety hazards.

[0005] To achieve the above objectives, this application provides the following technical solution:

[0006] A locking inspection device for a painted body-in-white includes: a support slide bed with a sliding bracket slidably fitted on it, the sliding bracket supporting and locking the body-in-white; a first lifting module located at the front of the support slide bed, used to lift the body-in-white; a second lifting module located at the rear of the support slide bed, used to lift the fixed support point of the sliding bracket; and locking inspection modules disposed on both sides of the support slide bed, used to lift the body-in-white by the first and second lifting modules. Then, the locking status of the body-in-white is checked; the control module includes a storage unit, which stores the feature codes of the body-in-white for different models, as well as the lifting modes of the first lifting module and the second lifting module corresponding to the body-in-white for different models; wherein, the support slide is provided with a feature inspection piece, which is used to detect the features of different body-in-whites and to compare them with the feature codes stored in the storage unit; the sliding bracket, the first lifting module, the second lifting module, the locking check module, and the feature inspection piece are all communicatively connected to the control module.

[0007] In some embodiments, the sliding bracket includes: two longitudinal beams, with a plurality of crossbeams connecting the two longitudinal beams; a first support locking member is provided on the front side of the longitudinal beams, and a second support locking member is provided on the rear side of the longitudinal beams, the first support locking member and the second support locking member being used to support and lock the body-in-white; a steel code strip is also provided on the longitudinal beams, the steel code strip forming a fixed support point that cooperates with the second lifting module in lifting.

[0008] In some embodiments, the feature inspection component is a laser rangefinder; the laser rangefinder is located on the crossbeam frame of the support slide, and the laser rangefinder is used to measure the distance between the body-in-white and the support slide; the laser rangefinder corresponds to the position of the first support locking component.

[0009] In some embodiments, the first lifting module includes two sets of first lifting units, which are symmetrically located on both sides of the support slide; the first lifting unit includes a driving member, which is driven by a chain drive assembly, and the chain drive assembly is driven by a lifting assembly, which is used to lift the body-in-white.

[0010] In some embodiments, the lifting assembly includes: a fixed support block that reciprocates vertically following the chain drive assembly; and a tilting cylinder connected to the tilting support block via a linkage mechanism. The tilting cylinder and the tilting support block reciprocate vertically synchronously following the chain drive assembly, and the tilting cylinder drives the tilting support block to tilt 90°. The fixed support block and the tilting support block have offset distances in both the z and x directions, so that the fixed support block and the tilting support block can be used to lift the body-in-white of different vehicle models.

[0011] In some embodiments, the deviation between the fixed support block and the flipping support block in the z-direction is 150 mm, and the deviation between the fixed support block and the flipping support block in the x-direction is 300 mm.

[0012] In some embodiments, the chain drive assembly includes a main drive sprocket, a main drive chain, and two sets of sub-chain drive groups, with each of the two sets of sub-chain drive groups corresponding to one of the two sets of the first lifting units. The drive member is connected to the drive chain, which is driven by the main drive sprocket to the main drive chain. The main drive chain is driven by the two sets of sub-chain drive groups, so that the drive member drives the two sets of lifting assemblies to rise and fall synchronously.

[0013] In some embodiments, the second lifting module includes two sets of second lifting units, which are symmetrically located on both sides of the support slide; the second lifting unit includes: a cylinder, the top of which is fixedly connected to a lifting block, the cylinder driving the lifting block to rise and fall so that the lifting block cooperates with the fixed support point for lifting; and a cylinder support frame, which fixes and supports the cylinder.

[0014] In some embodiments, the locking check module includes a first locking check unit and a second locking check unit; the first locking check unit is located on the front side of the support slide, and the second locking check unit is located on the rear side of the support slide; the first locking check unit includes two symmetrically arranged first support columns, and a first pair of photoelectric sensors and a second pair of photoelectric sensors are provided on the two first support columns; the second locking check unit includes two symmetrically arranged second support columns, and a third pair of photoelectric sensors and a fourth pair of photoelectric sensors are provided on the two second support columns; wherein the first pair of photoelectric sensors and the third pair of photoelectric sensors are at the same horizontal height, and the second pair of photoelectric sensors and the fourth pair of photoelectric sensors are at the same horizontal height.

[0015] In some embodiments, the horizontal height of the first pair of photoelectric eyes and the third pair of photoelectric eyes is: 20mm above the upper end face of the longitudinal beam after the first lifting module and the second lifting module have lifted the body-in-white into position; the horizontal height of the second pair of photoelectric eyes and the fourth pair of photoelectric eyes is: the midpoint between the lower end face of the longitudinal beam and the upper end face of the support slide after the first lifting module and the second lifting module have lifted the body-in-white into position.

[0016] In some embodiments, a sensor is provided on the front side of the support slide, the sensor being used to sense the sliding bracket.

[0017] The locking inspection device for painted body-in-white provided in this application has a sliding bracket that slides on a support slide. The sliding bracket supports and locks the body-in-white, moving it to the corresponding position on the support slide. Then, a feature inspection piece on the support slide inspects the features of different vehicle models' body-in-whites. The inspected features are compared with the feature codes of different vehicle models' body-in-whites stored in the control module's storage unit to ensure consistency. Based on the lifting modes for different vehicle models' body-in-whites stored in the storage unit, the control module activates the first and second lifting modules to lift the body-in-white at corresponding lifting positions, speeds, and heights. After the first and second lifting modules have lifted the body-in-white into position, the locking inspection module checks the locking status of the body-in-white to ensure complete locking between the body-in-white and the sliding bracket. This allows for corresponding locking inspections of different vehicle models' body-in-whites, ensuring effective locking and reducing safety hazards during the painting process. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this application. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0019] Figure 1 A schematic diagram of the locking inspection device for painted body-in-white provided in an embodiment of this application;

[0020] Figure 2 for Figure 1 The front view of the locking inspection device shown;

[0021] Figure 3 for Figure 1 Top view of the locking inspection device shown;

[0022] Figure 4 for Figure 1 The side view of the locking inspection device shown;

[0023] Figure 5 A schematic diagram of the sliding bracket in the locking inspection device for painted body-in-white provided in an embodiment of this application;

[0024] Figure 6 A schematic diagram illustrating the inspection of a vehicle body-in-white using a locking inspection device for painted body-in-white provided in this application embodiment.

[0025] Figure 7 for Figure 6 The diagram shown is a front view of an inspection schematic of the body-in-white of a vehicle model.

[0026] Figure 8 for Figure 6 The diagram shown is a top view of an inspection schematic of the body-in-white of a vehicle model.

[0027] Figure 9 for Figure 6 The left-side view of the schematic diagram showing the inspection of the body-in-white of a vehicle model;

[0028] Figure 10 for Figure 6 The diagram shown is a right-side view of an inspection schematic of the body-in-white of a vehicle model.

[0029] Figure 11 This is a schematic diagram of the locking inspection device for painted body-in-white provided in this application embodiment inspecting the body-in-white of another vehicle model.

[0030] Explanation of reference numerals in the attached figures:

[0031] 100-Support slide;

[0032] 200-Sliding bracket, 210-Longitudinal beam, 220-Crossbeam, 230-First support locking element, 240-Second support locking element, 250-Steel barcode, 251-Fixed support point;

[0033] 300-First lifting module, 310-First lifting unit, 311-Driver, 3111-Driver protective cover, 3112-Driver mounting bracket, 312-Main drive sprocket, 3121-Main transmission chain, 313-Drive chain, 314-Chain protective cover, 315-Driven double chain, 316-Combined bracket, 317-X-direction guide bearing, 318-Y-direction guide bearing, 319-Slider, 320-Tilting support block, 321-Tilting cylinder, 330-Fixed support block, 340-Limit maintenance block;

[0034] 400-Second lifting module, 410-Second lifting unit, 411-Cylinder, 412-Lifting block, 413-Cylinder support frame;

[0035] 500-laser rangefinder;

[0036] 610 - First locking inspection unit; 611 - First support column; 612 - First photoelectric sensor; 613 - Second photoelectric sensor.

[0037] 620 - Second locking inspection unit; 621 - Second support column; 622 - Third photoelectric sensor; 623 - Fourth photoelectric sensor;

[0038] 700 - White body. Detailed Implementation

[0039] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0040] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. The terminology used in the following embodiments is for the purpose of describing specific embodiments only and is not intended to be a limitation of this application. As used in the specification and appended claims of this application, the singular expressions "a," "an," "the," "the," "the," and "this" are intended to also include expressions such as "one or more," unless the context clearly indicates otherwise. It should also be understood that in the embodiments of this application, "one or more" refers to one, two, or more; "and / or" describes the relationship between related objects, indicating that three relationships may exist; for example, A and / or B can represent: A alone, A and B simultaneously, or B alone, where A and B can be singular or plural. The character " / " generally indicates that the preceding and following related objects are in an "or" relationship.

[0041] References to "one embodiment" or "some embodiments" as described in this specification mean that one or more embodiments of this application include a specific feature, structure, or characteristic described in connection with that embodiment. Therefore, the phrases "in one embodiment," "in some embodiments," "in other embodiments," "in still other embodiments," etc., appearing in different parts of this specification do not necessarily refer to the same embodiment, but rather mean "one or more, but not all, embodiments," unless otherwise specifically emphasized. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless otherwise specifically emphasized.

[0042] The "multiple" mentioned in the embodiments of this application refers to two or more. It should be noted that in the description of the embodiments of this application, terms such as "first" and "second" are used only for the purpose of distinguishing descriptions and should not be construed as indicating or implying relative importance, nor should they be construed as indicating or implying order.

[0043] like Figure 1 As shown in the embodiment of this application, the locking inspection device for painted body-in-white includes a support slide 100, on which a sliding bracket 200 is slidably fitted. The sliding bracket 200 is used to support and lock the body-in-white 700, so that the sliding bracket 200 can drive the body-in-white 700 to slide to a designated position on the support slide 100 for locking inspection; and a first lifting module 300, which is located on the front side of the support slide 100 and is used to lift the body-in-white. 700; Second lifting module 400, located behind the support slide 100, is used to lift the fixed support point 251 on the sliding bracket 200, so that the body-in-white 700 is lifted into position by the first lifting module 300 and the second lifting module 400; Locking inspection module, located on both sides of the support slide 100, is used to check the body-in-white 700 after the first lifting module 300 and the second lifting module 400 have lifted it into position. The locking status of the body-in-white 700 is checked to ensure that the locking between the body-in-white 700 and the sliding bracket 200 is complete. The control module includes a storage unit that stores the feature codes of the body-in-white 700 for different models and the lifting modes of the first lifting module 300 and the second lifting module 400 corresponding to the body-in-white 700 for different models. The support slide 100 is equipped with a feature inspection piece, which is used to inspect the features of the body-in-white 700 for different models and compare them with the feature codes stored in the storage unit to ensure the consistency of the two sets of data. According to the lifting modes of the body-in-white 700 for different models in the storage unit, the control module starts the first lifting module 300 and the second lifting module 400 to lift the body-in-white 700 at the corresponding lifting position, lifting speed, and lifting height, and performs a locking check after lifting to realize the locking check of the body-in-white 700 for different models, so as to ensure the locking effect of the body-in-white 700 and reduce the safety hazards in the painting process of the body-in-white 700.

[0044] In this application, a sensor is provided on the front side of the support slide 100. The sensor senses the position of the sliding bracket 200 and controls the sliding bracket 200 to stop after it slides into place, so that the body-in-white 700 of different models stops at the same position, so that the features inspected by the feature inspection piece can correspond to the feature codes in the storage unit, so as to facilitate verification.

[0045] It should be noted that in this application, the control module can control the first lifting module 300 and the second lifting module 400 to lift synchronously, and the lifting speed can be adjusted to ensure the smoothness of the lifting process.

[0046] It should be noted that in this application, the control module can be a programmable logic controller (PLC) and can be verified by radio frequency identification (RFID) and the stored feature code to ensure the consistency of the two sets of data, so that the first lifting module 300 and the second lifting module 400 can lift accordingly, thereby ensuring the safety of the lifting process and the accuracy of the locking check.

[0047] It should be noted that the support slide 100 in this application can be an electric slide, which is a movable vehicle support platform integrating an electric drive device, enabling flexible flow and precise positioning between workstations, so as to support the flexibility and modularity of the production system and improve production efficiency and automation.

[0048] like Figure 5 As shown, the sliding bracket 200 includes two longitudinal beams 210, and several crossbeams 220 are connected between the two longitudinal beams 210. A first support locking member 230 is provided on the front side of the longitudinal beam 210, and a second support locking member 240 is provided on the rear side of the longitudinal beam 210. The first support locking member 230 and the second support locking member 240 can support and lock the body-in-white 700 to facilitate subsequent painting operations on the body-in-white 700. A steel barcode 250 is provided on the longitudinal beam 210, and a fixed support point 251 is formed on the bottom surface of the steel barcode 250 to cooperate with the second lifting module 400 for lifting, so that the second lifting module 400 can lift the body-in-white 700 through the fixed support point 251.

[0049] It should be noted that the steel code strip 250 is usually engraved or has a unique QR code or RFID chip attached. When the sliding bracket 200 carries the body-in-white 700 through each reading and writing station (such as when it is off the welding line, entering the painting area, or the storage area), the reading and writing device will scan this code. The system can know the status of the sliding bracket 200 and the body information it is currently carrying through this code, so as to facilitate verification.

[0050] Since the distance between the body-in-white 700 of different models and the support slide bed 100 is different after the sliding bracket 200 stops the body-in-white 700 of different models at the designated position, the feature inspection component in this application is a laser rangefinder 500. The laser rangefinder 500 is located on the crossbeam of the support slide bed 100 to measure the distance between the body-in-white 700 and the support slide bed 100. The laser rangefinder 500 is positioned in accordance with the first support locking component 230 so that the distance measured by the laser rangefinder 500 forms feature data of the body-in-white 700 of different models. This allows the feature data obtained by the laser rangefinder 500 to be compared with the feature code stored in the storage unit in advance to further confirm the model and ensure the accuracy and stability of the subsequent lifting process.

[0051] like Figures 1-4 As shown, the first lifting module 300 includes two sets of first lifting units 310, which are symmetrically located on both sides of the support slide 100 so that the two sets of first lifting units 310 lift synchronously.

[0052] The first lifting unit 310 includes a drive component 311, which is connected to a chain drive assembly to connect to the lifting assembly and lift the body-in-white 700 via the lifting assembly.

[0053] like Figure 4 As shown, the chain drive assembly includes a main drive sprocket 312, a main drive chain 3121, and two sets of sub-chain drive groups. The two sets of sub-chain drive groups correspond one-to-one with the two sets of first lifting units 310. They are connected to the drive chain 313 through the drive member 311, and the drive chain 313 is connected to the main drive sprocket 312 to drive the main drive chain 3121 to drive the two sets of sub-chain drive groups to drive the lifting assembly to lift synchronously.

[0054] Specifically, the drive component 311 is covered by a drive component protective cover 3111 and supported by a drive component mounting bracket 3112. The drive component 311 drives the drive chain 313, which in turn drives the main drive sprocket 312 to drive the main transmission chain 3121, thereby transmitting the power of the drive component 311 to two sets of driven double chains 315. The chains are covered by chain protective covers 314 to prevent dust and reduce the influence of impurities. The driven double chains 315 drive the slider 319 to rise and fall in the z direction. The slider 319, along with the x-direction guide bearing 317 and the y-direction guide bearing 318, is mounted on the combined bracket 316 via a bearing mounting bracket to improve the stability of the slider 319 during sliding, thereby driving the lifting assembly to rise and fall.

[0055] like Figure 4As shown, the lifting assembly includes a fixed support block 330 and a flipping support block 320. The fixed support block 330 rises and falls with the slider 319, and the flipping support block 320 is connected to a flipping cylinder 321 via a linkage mechanism. The flipping support block 320 and the flipping cylinder 321 rise and fall with the slider 319, allowing the flipping support block 320 to be flipped 90° by the flipping cylinder 321. The fixed support block 330 and the flipping support block 320 have offset distances in both the z and x directions. Thus, according to the stored body-in-white 700 of different models, the corresponding support block can be selected for lifting, so as to lift the body-in-white 700 of different models to the corresponding lifting position, thereby improving the accuracy of lifting.

[0056] In this application, the deviation distance between the fixed support block 330 and the flip support block 320 in the z direction is 150mm, and the deviation between the fixed support block 330 and the flip support block 320 in the x direction is 300mm, so as to correspond to the support position of the body-in-white 700 of different models.

[0057] It should be noted that the combined bracket 316 of the first lifting unit 310 is connected to the limit maintenance block 340 by a pin, so that the first lifting unit 310 can be maintained through the limit maintenance block 340 to ensure operational safety.

[0058] It should be noted that the drive component 311 in this application can be a motor to improve the stability of the drive.

[0059] like Figure 1 As shown, the second lifting module 400 includes two sets of second lifting units 410, which are symmetrically located on both sides of the support slide 100 so that the two sets of second lifting units 410 can lift synchronously.

[0060] The second lifting unit 410 includes a cylinder 411, with a lifting block 412 fixedly connected to the top of the cylinder 411, so that the cylinder 411 can drive the lifting block 412 to rise and fall, so that the lifting block 412 can cooperate with the fixed support point 251 for lifting. A cylinder support frame 413 is provided outside the cylinder 411 to fix and support the cylinder 411, ensuring the stability of the second lifting unit 410 during the lifting process.

[0061] In this application, the lifting stroke of the second lifting unit 410 is 250mm.

[0062] like Figure 1 As shown, the locking inspection module includes a first locking inspection unit 610 and a second locking inspection unit 620. The first locking inspection unit 610 is located on the front side of the support slide 100, and the second locking unit 620 is located on the rear side of the support slide 100. By performing locking inspections on the front and rear sides simultaneously, the accuracy of the inspection is ensured.

[0063] The first locking inspection unit 610 includes two symmetrically arranged first support columns 611. The two first support columns 611 are provided with a first pair of photoelectric eyes 612 and a second pair of photoelectric eyes 613. The first pair of photoelectric eyes 612 and the second pair of photoelectric eyes 613 are arranged in groups so that the photoelectric eyes in the same group can connect light signals. If the light is blocked, the signal will be changed for inspection.

[0064] The second locking unit 620 includes two symmetrically arranged second support columns 621. The two second support columns 621 are provided with a third pair of photoelectric eyes 622 and a fourth pair of photoelectric eyes 623, and the third pair of photoelectric eyes 622 and the fourth pair of photoelectric eyes 623 are arranged in groups.

[0065] Furthermore, the first pair of beam-emitting eyes 612 and the third pair of beam-emitting eyes 622 are at the same horizontal height, and the second pair of beam-emitting eyes 613 and the fourth pair of beam-emitting eyes 623 are at the same horizontal height, so as to facilitate simultaneous inspection from the front and rear sides.

[0066] like Figure 7 As shown, the horizontal height of the first pair of photoelectric sensors 612 and the third pair of photoelectric sensors 622 is as follows: After the first lifting module 300 and the second lifting module 400 lift the body-in-white 700 into position, if the light is blocked at 20mm above the upper end of the longitudinal beam 210 of the sliding bracket 200, it indicates that the lifting of the first lifting module 300 or the second lifting module 400 has exceeded the maximum limit. At this time, the control module will give a signal to stop the machine to avoid safety accidents.

[0067] The horizontal height of the second pair of photoelectric sensors 613 and the fourth pair of photoelectric sensors 623 is as follows: After the first lifting module 300 and the second lifting module 400 lift the body-in-white 700 into position, the lower end face of the longitudinal beam 210 of the sliding bracket 200 and the upper end face of the supporting slide 100 need to maintain a certain dwell time after being lifted into position. If the second pair of photoelectric sensors 613 or the fourth pair of photoelectric sensors 623 block the light during the dwell time, it indicates that the locking between the sliding bracket 200 and the body-in-white 700 is not in place. At this time, the control module will give a signal to stop the machine to avoid safety accidents.

[0068] If no light is obstructed by the first pair of photoelectric sensors 612, the second pair of photoelectric sensors 613, the third pair of photoelectric sensors 622, and the fourth pair of photoelectric sensors 623 during the lifting and holding process, it is considered that the body-in-white 700 has been locked. The sliding bracket 200 will then carry the body-in-white 700 to the next station to complete the locking inspection.

[0069] During the operation of the painting body-in-white locking inspection device provided in this embodiment, after the sliding bracket 200 is locked to the body-in-white 700, the sliding bracket 200 moves the body-in-white 700 to a designated position on the support slide 100. Then, a laser rangefinder 500 is used to detect the distance and obtain the characteristic parameters of the body-in-white 700. These parameters are compared with the characteristic codes stored in the storage unit to ensure that the body-in-white 700 corresponds to the vehicle model. The control module then activates the first lifting module 300 and the second lifting module 400 to lift the body-in-white 700 according to different vehicle models. After being lifted into position, the device remains in place for a period of time and passes the first locking inspection. Unit 610 and the second locking inspection unit 620 perform locking inspection. The first pair of photoelectric sensors 612 and the third pair of photoelectric sensors 622 determine whether the lifting exceeds the limit, and the second pair of photoelectric sensors 613 and the fourth pair of photoelectric sensors 623 determine whether the locking is normal. If there is no light obstruction, the locking is determined to be normal. The control module controls the sliding bracket 200 to move the body-in-white 700 to the next station to complete the locking inspection. In this way, by comparing feature codes, locking inspection can be performed on body-in-white 700 for different models to ensure the locking effect of body-in-white 700 and reduce safety hazards in the painting process of body-in-white 700.

[0070] The above description of the embodiments enables those skilled in the art to make or use this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A locking inspection device for painted white body, characterized in that, include: A support slide (100) is provided, on which a sliding bracket (200) is slidably fitted, the sliding bracket (200) being used to support and lock the body-in-white (700). The first lifting module (300) is located on the front side of the support slide (100) and is used to lift the body-in-white (700). The second lifting module (400) is located on the rear side of the support slide (100) and is used to lift the fixed support point (251) of the sliding bracket (200). A locking inspection module is provided on both sides of the support slide (100). The locking inspection module is used to check the locking status of the body-in-white (700) after the first lifting module (300) and the second lifting module (400) lift the body-in-white (700). The control module includes a storage unit, which stores feature codes of the body-in-white (700) of different models and lifting modes of the first lifting module (300) and the second lifting module (400) corresponding to the body-in-white (700) of different models. The support slide (100) is provided with a feature inspection piece, which is used to detect different features of the white body (700) and to compare them with the feature codes stored in the storage unit. The sliding bracket (200), the first lifting module (300), the second lifting module (400), the locking inspection module, and the feature inspection piece are all communicatively connected to the control module.

2. The locking inspection device for painted body-in-white according to claim 1, characterized in that, The sliding bracket (200) includes: Two longitudinal beams (210), and several cross beams (220) are connected between the two longitudinal beams (210); A first support locking member (230) is provided on the front side of the longitudinal beam (210), and a second support locking member (240) is provided on the rear side of the longitudinal beam (210). The first support locking member (230) and the second support locking member (240) are used to support and lock the body-in-white (700). The longitudinal beam (210) is also provided with a steel code strip (250), which forms a fixed support point (251) that cooperates with the second lifting module (400) for lifting.

3. The locking inspection device for painted body-in-white according to claim 2, characterized in that, The feature inspection component is a laser rangefinder (500); The laser rangefinder (500) is located on the crossbeam of the support slide (100), and the laser rangefinder (500) is used to measure the distance between the white body (700) and the support slide (100); The laser rangefinder (500) is positioned corresponding to the first support locking member (230).

4. The locking inspection device for painted body-in-white according to claim 3, characterized in that, The first lifting module (300) includes two sets of first lifting units (310), which are symmetrically located on both sides of the support slide (100); The first lifting unit (310) includes: A drive unit (311) is connected to a chain drive assembly, which is connected to a lifting assembly for lifting the body-in-white (700).

5. The locking inspection device for painted body-in-white according to claim 4, characterized in that, The lifting component includes: Fixed support block (330), the fixed support block (300) moves vertically back and forth following the chain drive assembly; A flipping cylinder (321) is connected to a flipping support block (320) via a linkage mechanism. The flipping cylinder (321) and the flipping support block (320) move vertically and reciprocally in sync with the chain drive assembly. The flipping cylinder (321) is used to drive the flipping support block (320) to flip 90°. The fixed support block (330) and the flipping support block (320) have a deviation distance in both the z and x directions, so that the fixed support block (330) and the flipping support block (320) can be used to support the body-in-white (700) of different models.

6. The locking inspection device for painted body-in-white according to claim 5, characterized in that, The deviation between the fixed support block (330) and the flip support block (320) in the z direction is 150mm, and the deviation between the fixed support block (330) and the flip support block (320) in the x direction is 300mm.

7. The locking inspection device for painted body-in-white according to claim 5, characterized in that, The chain drive assembly includes a main drive sprocket (312), a main drive chain (3121), and two sets of sub-chain drive groups, with each of the two sets of sub-chain drive groups corresponding to one of the two sets of the first lifting units (310). The drive component (311) is connected to the drive chain (313), and the drive chain (313) is connected to the main drive chain (3121) through the main drive sprocket (312). The main drive chain (3121) is connected to two sets of sub-chain drive groups so that the drive component (311) drives the two sets of lifting components to rise and fall synchronously.

8. The locking inspection device for painted body-in-white according to claim 3, characterized in that, The second lifting module (400) includes two sets of second lifting units (410), which are symmetrically located on both sides of the support slide (100); The second lifting unit (410) includes: A cylinder (411) is fixedly connected to a lifting block (412) at its top. The cylinder (411) drives the lifting block (412) to rise and fall so that the lifting block (412) is lifted and cooperated with the fixed support point (215). A cylinder support frame (413) is used to fix and support the cylinder (411).

9. The locking inspection device for painted body-in-white according to claim 2, characterized in that, The locking check module includes a first locking check unit (610) and a second locking check unit (620); The first locking inspection unit (610) is located on the front side of the support slide (100), and the second locking inspection unit (620) is located on the rear side of the support slide (100); The first locking inspection unit (610) includes two symmetrically arranged first support columns (611), and the two first support columns (611) are provided with a first pair of photoelectric eyes (612) and a second pair of photoelectric eyes (613). The second locking inspection unit (620) includes two symmetrically arranged second support columns (621), and the two second support columns (621) are provided with a third pair of photoelectric eyes (622) and a fourth pair of photoelectric eyes (623). The first pair of beams (612) and the third pair of beams (622) are at the same horizontal height, and the second pair of beams (613) and the fourth pair of beams (623) are at the same horizontal height.

10. The locking inspection device for painted body-in-white according to claim 9, characterized in that, The horizontal height of the first pair of photoelectric eyes (612) and the third pair of photoelectric eyes (622) is: 20mm above the upper end of the longitudinal beam (210) after the first lifting module (300) and the second lifting module (400) lift the white body (700) into place; The horizontal height of the second pair of photoelectric eyes (613) and the fourth pair of photoelectric eyes (623) is: after the first lifting module (300) and the second lifting module (400) lift the white body (700) into place, the lower end face of the longitudinal beam (210) and the upper end face of the support slide (100) are at the midpoint.

11. The locking inspection device for painted body-in-white according to claim 1, characterized in that, A sensor is provided on the front side of the support slide (100), and the sensor is used to sense the sliding bracket (200).

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