Online front windshield HUD imaging quality detection equipment

Abstract

The utility model relates to the technical field of HUD detection, in particular to online front windshield HUD imaging quality detection equipment. The detection equipment comprises an equipment body and a feeding and discharging mechanical arm set, the equipment body comprises an automatic positioning platform, a first mechanical arm, a first camera and a light source, the automatic positioning platform is obliquely arranged on the upper surface of the equipment body, the first mechanical arm is located on one side of the automatic positioning platform, and the first camera is installed on the first mechanical arm; the light source is installed on the side wall of the equipment body and faces the automatic positioning platform, the automatic positioning platform is provided with an initial positioning assembly, a first long edge positioning moving module and / or a second long edge positioning moving module and a side edge positioning moving module, and each moving module is provided with a clamping assembly. According to the utility model, through the multiple sets of moving modules and the clamping assemblies thereof, automatic clamping of front windshield glass of different types and sizes is realized, the time for manually replacing a clamp is reduced, the time for calibrating the position of the front windshield glass is reduced, online detection is realized, and the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of HUD detection, specifically online front windshield glass HUD imaging quality detection equipment. BACKGROUND

[0002] HUD (head up display) is a head-up display, and in recent years, HUD appears more and more on the car, and provides great guarantee for driving safety. With the gradual maturity of the technology of HUD, the production gradually expands, and the detection equipment of HUD is essential. The detection of the contrast, distortion, brightness and other indexes of the general optical system of the existing detection equipment is very mature.

[0003] But the existing detection equipment is generally offline equipment, and the front windshield glass needs to be manually carried to the equipment platform. Since the quality of the car is high, the variety of the front windshield glass is high, and the worker needs to update the fixture every time the variety is changed, and the process of disassembling the old fixture and installing the new fixture is tedious, takes a long time, and leads to low detection efficiency of different types of front windshield glass HUD. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing online front windshield glass HUD imaging quality detection equipment to solve the problems in the prior art.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of online front windshield glass HUD imaging quality detection equipment, front windshield glass includes first long side, second long side and two sides, the detection equipment includes equipment main body and feeding and discharging mechanical arm group, the equipment main body includes automatic positioning platform, first mechanical arm, camera one and light source, the upper surface of the equipment main body is inclined and is provided with automatic positioning platform, the first mechanical arm is located in one side of automatic positioning platform, the camera one is installed on first mechanical arm, the light source is installed on the side wall of equipment main body and is towards automatic positioning platform, the automatic positioning platform is equipped with initial positioning component, first long side positioning movement module and / or second long side positioning movement module, side positioning movement module, the side positioning movement module is installed on initial positioning component, and clamping assembly is installed on the side positioning movement module, the first long side positioning movement module and second long side positioning movement module.

[0006] Further, the initial positioning assembly comprises guide rails one, sliding frame one, sliding block one and driving cylinder one: the automatic positioning platform is provided with two detection windows, and a connecting wall surface is arranged between the two detection windows; the automatic positioning platform is provided with guide rails one above and below the detection windows, the guide rails one are parallel to each other, and the guide rails one are perpendicular to the wall surface; the two ends of the sliding frame one are slidably connected to the guide rails one through sliding blocks one; the end of the driving cylinder one is suitable for being connected to one side of the sliding frame one; the other side of the sliding frame one is fixed with side edge positioning moving modules; the two side edge positioning moving modules are arranged opposite to each other.

[0007] Further, the initial positioning assembly comprises guide rails one, sliding frame one, sliding block one and driving cylinder one: the automatic positioning platform is provided with guide rails one above and below the detection windows, the guide rails one are parallel to each other, and the guide rails one are perpendicular to the wall surface; the two ends of the sliding frame one are slidably connected to the guide rails one through sliding blocks one; the end of the driving cylinder one is suitable for being connected to one side of the sliding frame one; the other side of the sliding frame one is fixed with side edge positioning moving modules; the two side edge positioning moving modules are arranged opposite to each other.

[0008] Further, the side edge positioning moving module comprises a servo motor one, a lead screw one, a sliding block one and a sliding frame one; the sliding frame one is square-shaped and has a sliding frame one top surface, two sliding frame one side surfaces and a sliding frame one bottom surface; the servo motor one is installed at the inner end side of the sliding frame one; the end of the servo motor one is connected to the lead screw one; the sliding block one is sleeved on the lead screw one; the sliding frame one top surface and the sliding frame one side surface are hollowed out and suitable for allowing the sliding block one to pass through; the sliding block one is connected to the clamping assembly; the two side surfaces of the sliding frame one are each provided with a sliding groove one, the two sliding grooves one correspond in height, a sensor one is installed in the sliding groove one, and the two side surfaces of the sliding block one are each provided with a sensing sheet one suitable for contacting the sensor one.

[0009] Further, the automatic positioning platform is fixed with a first long edge positioning moving module below each of the two detection windows; the first long edge positioning moving module comprises a servo motor two, a lead screw two, a sliding block two and a sliding frame two; the sliding frame two is square-shaped and has a sliding frame two top surface, two sliding frame two side surfaces and a sliding frame two bottom surface; the servo motor two is installed at the inner end side of the sliding frame two; the end of the servo motor two is connected to the lead screw two; the sliding block two is sleeved on the lead screw two; the sliding frame two top surface and the sliding frame two side surface are hollowed out and suitable for allowing the sliding block two to pass through; the sliding block two is connected to the clamping assembly; the two side surfaces of the sliding frame two are each provided with a sliding groove two, the two sliding grooves two correspond in height, a sensor two is installed in the sliding groove two, and the two side surfaces of the sliding block two are each provided with a sensing sheet two suitable for contacting the sensor two.

[0010] Further, the automatic positioning platform further comprises a central positioning mobile module with a first long side or a second long side, which is fixed on the wall between the two detection windows

[0011] Further, the clamping assembly comprises a connecting plate and a clamping piece: the connecting plate comprises a plate one and a plate two which are perpendicular to each other, one side of the plate one is connected with the sliding block one or the sliding block two, and the other side of the plate one is the clamping piece; the clamping piece is composed of two connecting rods one and three rollers one, the two ends of the roller one are connected with the connecting rod one respectively, and the three rollers one are located on the two sides and the middle of the connecting rod one respectively; the roller one is suitable for contacting the first long side, the second long side or the side edge of the front windshield.

[0012] Further, the clamping assembly corresponding to the side edge positioning mobile module is further provided with an automatic lifting support assembly, and the automatic lifting support assembly comprises a servo electric cylinder, a movable rod, a connecting rod two and a roller two: the servo electric cylinder is located at the bottom of the plate two, the end of the servo electric cylinder is connected with the movable rod, the plate two is provided with a through hole for the movable rod to extend out, the end of the movable rod is movably connected with the connecting rod two, and the two side ends of the connecting rod two are provided with the roller two; the roller two is suitable for contacting the lower surface of the front windshield.

[0013] Further, the feeding and discharging mechanical arm group comprises a multi-axis manipulator, a suction frame and a plurality of suction cups; the end of the multi-axis manipulator is fixed with the suction frame, the suction frame is hollow, and the suction cups are uniformly distributed on the suction frame and communicate with the inside of the suction frame; the end of the multi-axis manipulator is provided with a second camera.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The second camera on the multi-axis manipulator is used for rough positioning, and the automatic lifting support assembly is used for secondary positioning, so that the accuracy of automatically carrying the front windshield is provided, and the stability and efficiency of the online detection process are improved.

[0016] 2. The utility model realizes the automatic positioning of front windshields of different types and sizes through the preliminary positioning assembly, the first long side positioning mobile module, the second long side positioning mobile module, the side edge positioning mobile module and the clamping assembly.

[0017] 3. The utility model can provide online full-automatic detection for the front windshield, without manual participation, saves the time for replacing the fixture by manual work in the past, reduces the time for position calibration of the front windshield, improves the efficiency comprehensively, and improves the detection efficiency from 10 pieces / hour to 30 pieces / hour. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0019] Figure 1 is a schematic diagram of the overall structure of the embodiment;

[0020] Figure 2 is a schematic diagram of the internal structure after hiding the main body shell of the device;

[0021] Figure 3 is a schematic diagram of the automatic positioning platform;

[0022] Figure 4 is Figure 3 is an enlarged view of part A in FIG. 4;

[0023] Figure 5 is Figure 3 is an enlarged view of part B in FIG. 4.

[0024] 1, front windshield; 11, first long side; 12, second long side; 13, side edge; 2, device main body; 21, automatic positioning platform; 211, detection window; 212, wall surface; 22, first mechanical arm; 23, second mechanical arm; 24, camera one; 25, light source; 26, preliminary positioning assembly; 261, guide rail one; 262, sliding frame one; 263, sliding block one; 264, drive cylinder one; 27, side edge positioning movement module; 271, servo motor one; 272, lead screw one; 273, sliding block one; 274, sliding frame one; 275, sliding groove one; 276, sensing sheet one; 277, sensor one; 28, first long side positioning movement module; 281, servo motor two; 282, lead screw two; 283, sliding block two; 284, sliding frame two; 285, sliding groove two; 286, sensor two; 287, sensing sheet two; 29, central positioning movement module; 3, feeding and discharging mechanical arm group; 31, multi-axis mechanical hand; 32, suction frame; 33, suction disc; 34, camera two; 4, clamping assembly; 41, connecting plate; 411, plate one; 412, plate two; 42, clamping piece; 421, connecting rod one; 422, roller one; 5, automatic lifting support assembly; 51, servo electric cylinder; 52, movable rod; 521, notch; 522, limiting edge; 53, connecting rod two; 54, roller two. DETAILED DESCRIPTION

[0025] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0026] Example

[0027] The windshield 1 includes a first long side 11, a second long side 12, and two side sides 13.

[0028] like Figures 1-5 As shown, an online windshield HUD imaging quality inspection device mainly includes a main body 2 and a loading / unloading robotic arm assembly 3. The loading / unloading robotic arm assembly 3 transports windshields 1 from the conveyor line to the main body 2 for inspection, and after inspection, it transports the windshields 1 away from the main body 2, completing the online automatic inspection.

[0029] Based on the above, the main body 2 of the device includes an automatic positioning platform 21, a first robotic arm 22, a second robotic arm 23, a camera 24, and a light source 25. The automatic positioning platform 21 is equipped with multiple moving modules and their clamping components 4 for supporting and clamping the windshield 1. The first robotic arm 22 is used to move the camera 24, positioning it in the HUD area of ​​the windshield 1. The camera 24 is used to photograph and collect data from the HUD area of ​​the windshield 1, obtaining all data for all HUD test items and sending it to an external computer system. The camera 24 is a commercially available vision camera. The light source 25 provides reflected light. The second robotic arm 23 can be detachably connected to the automatic positioning platform 21 and is used to adjust the tilt angle of the automatic positioning platform 21, ensuring that the automatic positioning platform 21 automatically matches the tilt angle of different types of windshields 1. The first robotic arm 22 is located slightly below one side of the automatic positioning platform 21. The camera 24 is detachably fixed to the end of the first robotic arm 22 by bolts. The light source 25 is installed on the side wall of the main body 2 of the equipment and faces the automatic positioning platform 21.

[0030] Based on the above, the automatic positioning platform 21 is provided with an initial positioning assembly 26, a first long edge positioning mobile module 28 and / or a second long edge positioning mobile module, a side edge positioning mobile module 27 and a central positioning mobile module 29. The side edge positioning mobile module 27, the first long edge positioning mobile module 28 and the second long edge positioning mobile module are each provided with a clamping assembly 4. The side edge positioning mobile module 27 is installed on the initial positioning assembly 26, and the initial positioning assembly 26 is used to preliminarily position the distance between the two sets of side edge positioning mobile modules 27. The first long edge positioning mobile module 28 and the clamping assembly 4 thereof are used to confirm and clamp the first long edge 11 of the front windshield 1. The second long edge positioning mobile module and the clamping assembly 4 thereof are used to confirm and clamp the second long edge 12 of the front windshield 1, and if the front windshield 1 has three edges clamped, the second long edge positioning mobile module can be selectively provided. The side edge positioning mobile module 27 and the clamping assembly 4 thereof have two sets, which are respectively used to confirm and clamp the two side edges 13 of the front windshield 1. The central positioning mobile module 29 and the clamping assembly 4 thereof are used to confirm and clamp the center position of the first long edge 11 or the second long edge 12 of the front windshield 1. The central positioning mobile module 29 is set in reference to the actual size of the front windshield 1, and if the front windshield 1 is large in size, it is recommended to set the central positioning mobile module 29 and the clamping assembly 4 thereof, so as to improve the clamping stability of the front windshield 1, and further improve the accuracy of the HUD detection data.

[0031] Based on the actual application, the automatic positioning platform 21 is provided with two detection windows 211 in the middle, and a connecting wall surface 212 is arranged between the two detection windows 211.

[0032] The initial positioning assembly 26 includes a guide rail one 261, a sliding frame one 262, a sliding block one 263 and a driving cylinder one 264. The automatic positioning platform 21 is provided with the guide rail one 261 above the detection window 211 and below the detection window 211, the guide rail one 261 is parallel to each other, and the guide rail one 261 is perpendicular to the wall surface 212. The two ends of the sliding frame one 262 are respectively connected with the guide rail one 261 through the sliding block one 263. The driving cylinder one 264 is installed on both sides of the automatic positioning platform 21 and is oppositely arranged. The end of the driving cylinder one 264 is suitable for being connected with one side of the sliding frame one 262, and the other side of the sliding frame one 262 is suitable for fixing the side edge positioning mobile module 27, and the two sets of side edge positioning mobile modules 27 are oppositely arranged.

[0033] The side positioning moving module 27 comprises a servo motor 271, a lead screw 272, a sliding block 273 and a sliding frame 274. The sliding frame 274 is square-shaped, having a sliding frame top surface, two sliding frame side surfaces and a sliding frame bottom surface. The servo motor 271 is installed at the inner end side of the sliding frame 274, the end of the servo motor 271 is connected to the lead screw 272, and the sliding block 273 is sleeved on the lead screw 272. The sliding frame top surface and the sliding frame side surface are hollowed out, suitable for allowing the sliding block 273 to pass through, and the sliding block 273 is connected to the clamping assembly 4 by bolts. The two side surfaces of the sliding frame 274 are each provided with a sliding groove 275, the two sliding grooves 275 correspond in height, a sensor 277 is installed in the sliding groove 275, and the two side surfaces of the sliding block 273 are each provided with a sensing sheet 276, which is suitable for contacting the sensor 277. At least two sensors 277 are provided on one sliding groove 275, which are used to sense and limit the movement distance of the clamping assembly 4 on the side positioning moving module 27. The sensor 277 is an optical sensor.

[0034] The automatic positioning platform 21 is fixed with a first long side positioning moving module 28 below the two detection windows 211, and the first long side positioning moving module 28 comprises a servo motor 281, a lead screw 282, a sliding block 283 and a sliding frame 284. The sliding frame 284 is square-shaped, having a sliding frame top surface, two sliding frame side surfaces and a sliding frame bottom surface. The servo motor 281 is installed at the inner end side of the sliding frame 284, the end of the servo motor 281 is connected to the lead screw 282, and the sliding block 283 is sleeved on the lead screw 282. The sliding frame top surface and the sliding frame side surface are hollowed out, suitable for allowing the sliding block 283 to pass through, and the sliding block 283 is connected to the clamping assembly 4. The two side surfaces of the sliding frame 284 are each provided with a sliding groove 285, the two sliding grooves 285 correspond in height, a sensor 286 is installed in the sliding groove 285, and the two side surfaces of the sliding block 283 are each provided with a sensing sheet 287, which is suitable for contacting the sensor 286. The number and type of the sensor 286 are the same as those of the sensor 277.

[0035] Based on actual application, the structure of the second long side positioning moving module (not shown in the figure) is the same as that of the first long side positioning moving module 28. When installed, an installation frame can be additionally provided on the automatic positioning platform 21 to fix the second long side positioning moving module.

[0036] The central positioning moving module 29 is installed on the wall surface 212 between the two detection windows 211, and the clamping assembly 4 matched with the central positioning moving module 29 is arranged towards the front windshield 1. The structure of the central positioning moving module 29 is the same as that of the first long side positioning module.

[0037] The clamping assembly 4 comprises a connecting plate 41 and a clamping piece 42. The connecting plate 41 comprises a plate one 411 and a plate two 412 which are perpendicular to each other. One side of the plate one 411 is connected with the sliding block one 273 or the sliding block two 283, and the other side of the plate one 411 is the clamping piece 42. The clamping piece 42 is composed of two connecting rods one 421 and three rollers one 422. The two ends of the roller one 422 are connected with the connecting rod one 421 respectively, and the three rollers one 422 are located on both sides and the middle of the connecting rod one 421 respectively. The roller one 422 is suitable for contacting with the first long side 11, the second long side 12 or the side edge 13 of the front windshield 1 to clamp the front windshield 1. Since the roller one 422 can rotate horizontally by itself, when the position of the side edge 13 of the front windshield 1 needs to be adjusted slightly, the roller one 422 can follow the movement to prevent the front windshield 1 from being worn.

[0038] The clamping assembly 4 of the side edge positioning movement module 27 is also provided with an automatic lifting support assembly 5 for pre-supporting the front windshield 1. The automatic lifting support assembly 5 comprises a servo electric cylinder 51, a movable rod 52, a connecting rod two 53 and a roller two 54. The servo electric cylinder 51 is located at the bottom of the plate two 412, the end of the servo electric cylinder 51 is connected with the movable rod 52, and the plate two 412 is provided with a through hole for the movable rod 52 to extend out. The end of the movable rod 52 is movably connected with the connecting rod two 53. The two ends of the connecting rod two 53 are provided with the roller two 54, and the roller two 54 is suitable for contacting with the lower surface of the front windshield 1 to support the front windshield 1. Since the roller two 54 can rotate horizontally by itself, when the front windshield 1 is slightly adjusted, the roller two 54 can follow the movement to prevent the front windshield 1 from being worn.

[0039] The end of the movable rod 52 is provided with a notch 521, the middle segment of the connecting rod two 53 is located in the notch 521, and the notch 521 has two limiting edges 522 which are suitable for limiting the rotation amplitude of the connecting rod two 53, so that the connecting rod two 53 can float up and down by a small angle to buffer the gravity when the front windshield 1 is put down. The connection mode of the movable rod 52 and the connecting rod two 53 not only protects the front windshield 1 from being easily worn, but also supports the front windshield 1.

[0040] Based on the actual application, the feeding and discharging mechanical arm group 3 comprises a multi-axis manipulator 31, a suction frame 32 and a plurality of suction cups 33. The end of the multi-axis manipulator 31 is fixed with the suction frame 32, and the suction frame 32 is a general suction frame 32 which can be adapted to all types of front windshields 1. The suction frame 32 is hollow inside, and the suction cups 33 are uniformly distributed on the suction frame 32 and communicate with the inside of the suction frame 32 to facilitate vacuum suction. The end of the multi-axis manipulator 31 is provided with a camera two 34 which is used for photographing and identifying the position of the front windshield 1 on the conveying line. The camera two 34 is a visual camera purchased on the market.

[0041] The automatic positioning platform 21, the first mechanical arm 22, the second mechanical arm 23, the camera one 24 and the light source 25, the automatic lifting support assembly 5 and the feeding and discharging mechanical arm group 3 are connected with an external general control panel, and the general control panel uniformly coordinates the instruction work.

[0042] A detection method of an online front windshield 1 HUD imaging quality detection device includes the following processes: the front windshield 1 flows to the end of a conveying line, and a camera two 34 on a multi-axis mechanical hand 31 performs rough positioning on the front windshield 1. Specifically, the camera two 34 photographs whether the position of the front windshield 1 on the conveying line is consistent with a previously established template position, if not, the front windshield 1 is a little skewed, then the grabbing angle of the multi-axis mechanical hand 31 is automatically adjusted to grab the front windshield 1.

[0043] The multi-axis mechanical hand 31 grabs the front windshield 1 and places it to the automatic positioning platform 21, the automatic lifting support assembly 5 performs secondary positioning on the front windshield 1, the clamping assembly 4 clamps the front windshield 1, the device main body 2 keeps open, the first mechanical arm 22 drives the camera one 24 to move and take a photograph, the obtained photograph is sent to an external computer system; after detection is completed, the front windshield 1 is carried by the multi-axis mechanical hand 31 to the beginning of another conveying line.

[0044] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any mark in the claims should not be regarded as limiting the involved claims.

Claims

1. An online front windshield HUD imaging quality detection device, the front windshield (1) comprising a first long side (11), a second long side (12) and two side edges (13), the detection device comprising a device body (2) and an upper and lower material mechanical arm group (3), the device body (2) comprising an automatic positioning platform (21), a first mechanical arm (22), a camera one (24) and a light source (25), the upper surface of the device body (2) is provided with an automatic positioning platform (21) in a tilted manner, the first mechanical arm (22) is located on one side of the automatic positioning platform (21), the camera one (24) is installed on the first mechanical arm (22), and the light source (25) is installed on the side wall of the device body (2) and faces the automatic positioning platform (21), characterized in that, The automatic positioning platform (21) is provided with an initial positioning assembly (26), a first long-side positioning mobile module (28) and / or a second long-side positioning mobile module, and a side edge positioning mobile module (27), the side edge positioning mobile module (27) is installed on the initial positioning assembly (26), and the side edge positioning mobile module (27), the first long-side positioning mobile module (28) and the second long-side positioning mobile module are all provided with a clamping assembly (4).

2. The online front windshield HUD imaging quality inspection apparatus of claim 1, wherein, The initial positioning assembly (26) comprises guide rails (261), sliding frames (262), sliding blocks (263) and driving cylinders (264), two detection windows (211) are arranged in the middle of the automatic positioning platform (21), a connecting wall (212) is arranged between the two detection windows (211), the guide rails (261) are arranged above and below the detection windows (211), the guide rails (261) are parallel to each other and perpendicular to the wall (212), the two ends of the sliding frame (262) are slidably connected to the guide rails (261) through the sliding blocks (263), and the end of the driving cylinder (264) is connected to one side of the sliding frame (262); the other side of the sliding frame (262) is fixed with the side edge positioning mobile module (27); and the two side edge positioning mobile modules (27) are arranged opposite to each other.

3. The online front windshield HUD imaging quality inspection apparatus of claim 1, wherein, The side edge positioning mobile module (27) comprises a servo motor (271), a lead screw (272), a sliding block (273) and a sliding frame (274), the sliding frame (274) is square-shaped and has a sliding frame top surface, a sliding frame side surface and a sliding frame bottom surface, the servo motor (271) is installed at the inner end side of the sliding frame (274), the end of the servo motor (271) is connected to the lead screw (272), and the sliding block (273) is sleeved on the lead screw (272); the sliding frame top surface and the sliding frame side surface are hollowed out and adapted to allow the sliding block (273) to pass through, and the sliding block (273) is connected to the clamping assembly (4); the two side surfaces of the sliding frame (274) are both provided with a sliding groove (275), the two sliding grooves (275) correspond in height, a sensor (277) is installed in the sliding groove (275), and the two side surfaces of the sliding block (273) are both provided with a sensing sheet (276), and the sensing sheet (276) is adapted to contact the sensor (277).

4. The online front windshield HUD imaging quality inspection apparatus of claim 3, wherein, The automatic positioning platform (21) is fixed with a first long side positioning movement module (28) below two detection windows (211), the first long side positioning movement module (28) includes a servo motor two (281), a screw two (282), a sliding block two (283) and a sliding frame two (284); the sliding frame two (284) is square, has a sliding frame two top surface, two sliding frame two side surfaces and a sliding frame two bottom surface, the servo motor two (281) is installed at the inner end side of the sliding frame two (284), the tail end of the servo motor two (281) is connected with the screw two (282), and the sliding block two (283) is sleeved on the screw two; the sliding frame two top surface and the sliding frame two side surface are hollowed out, suitable for allowing the sliding block two (283) to pass through, and the sliding block two (283) is connected with the clamping assembly (4); both sides of the sliding frame two (284) are provided with a sliding groove two (285), and the two sliding grooves two (285) correspond in height, a sensor two (286) is installed in the sliding groove two (285), both sides of the sliding block two (283) are provided with a sensing sheet two (287), and the sensing sheet two (287) is suitable for contacting the sensor two (286).

5. The online front windshield HUD imaging quality inspection apparatus of claim 1, wherein, The automatic positioning platform (21) further includes a central positioning movement module (29) of the first long side (11) or the second long side (12), and the central positioning movement module (29) is fixed on the wall surface (212) between the two detection windows (211).

6. The online front windshield HUD imaging quality inspection apparatus of claim 1, wherein, The clamping assembly (4) includes a connecting plate (41) and a clamping piece (42); the connecting plate (41) includes mutually perpendicular plate one (411) and plate two (412), one side of the plate one (411) is connected with the sliding block one (273) or the sliding block two (283), and the other side of the plate one (411) is the clamping piece (42); the clamping piece (42) is composed of two connecting rods one (421) and three rollers one (422), the two ends of the roller one (422) are connected with the connecting rod one (421) respectively, and the three rollers one (422) are located at both sides and the middle of the connecting rod one (421); the roller one (422) is suitable for contacting the first long side (11), the second long side (12) or the side edge (13) of the front windshield (1).

7. The online front windshield HUD imaging quality inspection apparatus of claim 6, wherein, The side positioning mobile module (27) is provided with an automatic lifting support assembly (5) on the clamping assembly (4) corresponding to the side positioning mobile module (27), the automatic lifting support assembly (5) comprises a servo electric cylinder (51), a movable rod (52), a connecting rod two (53) and a roller two (54), the servo electric cylinder (51) is located at the bottom of the plate two (412), the end of the servo electric cylinder (51) is connected with the movable rod (52), the plate two (412) is provided with a through hole for the movable rod (52) to extend out, the end of the movable rod (52) is movably connected with the connecting rod two (53), and the two ends of the connecting rod two (53) are provided with the roller two (54); the roller two (54) is suitable for contacting the lower surface of the front windshield (1).

8. The online front windshield HUD imaging quality inspection apparatus of claim 7, wherein, The end of the movable rod (52) is provided with a notch (521), the middle section of the connecting rod two (53) is located in the notch (521), and the notch (521) has two limiting edges (522), and the limiting edges (522) are suitable for limiting the rotation amplitude of the connecting rod two (53).

9. The online front windshield HUD imaging quality inspection apparatus of claim 1, wherein, The feeding and discharging mechanical arm group (3) comprises a multi-axis mechanical hand (31), a suction frame (32) and a plurality of suction cups (33), the end of the multi-axis mechanical hand (31) is fixedly connected with the suction frame (32), the suction frame (32) is hollow, and the suction cups (33) are uniformly distributed on the suction frame (32) and communicate with the inside of the suction frame (32); the end of the multi-axis mechanical hand (31) is provided with a camera two (34).

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