Quality detection device for touch display screen

Abstract

The utility model relates to the technical field of FOB binding machines, and discloses a quality detection device of a touch display screen. The device comprises a feeding conveying belt, a feeding mechanism, a visual detection mechanism, a discharging mechanism and a discharging conveying mechanism. Through the structure of the feeding mechanism and the discharging mechanism, to-be-detected display panels of different sizes can be taken and placed, through the visual detection mechanism, quality detection is conducted on hot-pressing binding areas on the to-be-detected display panels of different sizes, a detection result is obtained, and through the discharging mechanism, according to the detection result, the hot-pressing binding areas of the to-be-detected display panels of different sizes are subjected to quality detection. According to the FOB quality detection device, the corresponding to-be-detected display panels are moved to the discharging conveying mechanism, so that the to-be-detected display panels of different sizes and different qualities are sorted, the precision and efficiency of FOB quality detection are effectively improved, the production yield is guaranteed, the labor cost is reduced, the reject ratio of the TFT panels after FOB binding is reduced, and the workload of reworking workers is reduced.

Description

Technical Field

[0001] The utility model relates to the field of FOB binding machines, in particular to a quality detection device for a touch display screen. Background Art

[0002] PCB, the Chinese name is printed circuit board, also known as printed circuit board, commonly known as "hard board", often used as a support for electronic components, and is the carrier of electrical connection of electronic components. FPC, the Chinese name is flexible circuit board, also known as flexible circuit board, commonly known as "soft board". FOB (FPC on Board) hot pressing technology is to bind PCB and FPC through a fully automatic hot pressing binding machine, or to bind PCB to a TFT panel pre-bound with FPC. This technology is often used as an indispensable key link in the production process of LCD display modules in touch screens.

[0003] In the prior art, most FOB binding machines are semi-automatic, requiring manual inspection of the bonding accuracy or surface defects and consuming a lot of working time. The accuracy of manual inspection is easily affected by various factors, resulting in a high product defect rate. At the same time, the binding machine still needs to manually adjust the mechanism to adapt to the size of the TFT panel to achieve inspection. That is, the existing semi-automatic FOB binding equipment is difficult to achieve quality inspection of the FOB on the surface of the TFT panel, and automatic inspection of TFT panels of different sizes. Utility Model Content

[0004] The purpose of the utility model is to provide a quality detection device for a touch display screen to solve one or more technical problems existing in the prior art and at least provide a beneficial choice or create conditions.

[0005] In order to solve the above problems, in some embodiments of the present invention, a quality detection device for a touch display screen is provided, comprising:

[0006] A discharging conveying mechanism, wherein an output end of the discharging conveying mechanism extends along a first direction;

[0007] A feeding conveyor belt, the output end of which is connected to the input end of the discharging conveyor mechanism, and an in-position detector is provided on the feeding conveyor belt;

[0008] A visual inspection mechanism, wherein the visual inspection mechanism is arranged along a first direction, a test area is arranged on the visual inspection mechanism, and the visual inspection mechanism is used to perform quality inspection on a hot pressing binding area of ​​the display panel to be tested to obtain a test result;

[0009] A feeding mechanism, which is arranged along the second direction and is located above the feeding conveyor belt. The feeding mechanism is respectively connected to the in-place detector and the visual detection mechanism for communication. The feeding mechanism is used to move the display panel to be tested at the feeding conveyor belt to the area to be tested.

[0010] A material unloading mechanism, which is arranged along the second direction and is located above the material unloading conveying mechanism. The material unloading mechanism is in communication connection with the visual detection mechanism and is used to move the display panel to be tested in the test area to the material unloading conveying mechanism according to the detection result.

[0011] The second direction is horizontally perpendicular to the first direction.

[0012] Further, the feeding mechanism comprises:

[0013] Mounting plate;

[0014] A first suction cup bracket, the first suction cup bracket is connected to one end of the bottom plate of the mounting plate, the first suction cup bracket is arranged along a first direction, and the first suction cup bracket is used to suck the display panel to be tested;

[0015] a second suction cup bracket, the second suction cup bracket being connected to the other end of the bottom plate of the mounting plate, the first suction cup bracket being arranged along the first direction, and the second suction cup bracket being used for sucking the display panel to be tested;

[0016] Among them, the second suction cup bracket is externally connected to a third suction cup bracket and a fourth suction cup bracket, the third suction cup bracket and the fourth suction cup bracket are both arranged along the second direction, and the third suction cup bracket and the fourth suction cup bracket can absorb the binding pins of the display panel to be tested.

[0017] Furthermore, a quality detection device for a touch display screen further includes: a posture detection mechanism;

[0018] The posture detection mechanism is located below the feeding mechanism, the posture detection mechanism is in communication connection with the feeding mechanism, the posture detection mechanism is arranged along the second direction, and the posture detection mechanism is used to detect the current posture of the feeding mechanism so that the feeding mechanism adjusts the current posture.

[0019] Furthermore, the feeding mechanism further comprises:

[0020] A rotating support arm, wherein the rotating support arm is movably connected to the top plate of the mounting plate, and the rotating support arm can rotate the first suction cup bracket and the second suction cup bracket through the mounting plate to drive the third suction cup bracket and the fourth suction cup bracket to rotate;

[0021] A first driving assembly, wherein the first driving assembly is connected to the rotating support arm, the first driving assembly is arranged along the second direction, and the first driving assembly is used to drive the rotating support arm to move along the second direction and the third direction;

[0022] Wherein, the third direction is vertically perpendicular to the first direction, and the structure of the loading mechanism is the same as that of the unloading mechanism.

[0023] Further, the visual detection mechanism includes:

[0024] Visual inspection components;

[0025] A loading platform, on which the area to be tested is arranged;

[0026] A second driving assembly, the second driving assembly is arranged along the first direction, the second driving assembly is connected to the bottom of the loading platform, and the second driving assembly is used to drive the loading platform to move along the first direction;

[0027] The third driving component is located above the second driving component, the third driving component is arranged along the first direction, the third driving component is connected to the visual detection component, and the third driving component is used to drive the visual detection component to move along the third direction.

[0028] Furthermore, the discharging conveying mechanism comprises: a qualified panel conveyor belt and an abnormal panel conveyor belt arranged side by side with the qualified panel conveyor belt.

[0029] Further, the posture detection mechanism comprises:

[0030] An alignment camera assembly, the alignment camera assembly is used to collect a current image of the feeding mechanism to detect the current posture;

[0031] A camera mounting seat, wherein the camera mounting seat fixes the alignment camera assembly;

[0032] a fourth driving assembly, wherein the fourth driving assembly fixes the camera mounting seat and is used to drive the camera mounting seat to move along the second direction;

[0033] A light source assembly is installed at the lens socket of the alignment camera assembly.

[0034] Further, the rotating support arm comprises:

[0035] A fixed support plate, the fixed support plate is connected to the first drive assembly;

[0036] A fixed rib plate, the fixed rib plate is connected to the first driving assembly and is arranged on the fixed support plate;

[0037] A servo motor, wherein the servo motor is fixed to the upper surface of the fixed support plate;

[0038] A rotating shaft bracket, the rotating shaft bracket is arranged on the lower surface of the fixed support plate, the rotating shaft bracket is connected to the mounting plate, and a rotation sensing sheet is arranged on the surface of the rotating shaft bracket;

[0039] The coupling has a top connected to the servo motor, and a bottom connected to the rotating shaft bracket through a fixed support plate.

[0040] Furthermore, the visual detection component includes: a code scanning camera, a detection camera, a point light source and a ring light source.

[0041] Furthermore, the posture detection mechanism also includes: a limit assembly; the limit assembly is arranged at both ends of the fourth driving assembly.

[0042] The beneficial effects of the utility model are as follows: through the structure of the loading mechanism and the unloading mechanism, the display panels to be tested of different sizes can be picked up and placed; through the visual inspection mechanism, the quality inspection of the hot pressing binding area on the display panels to be tested of different sizes is carried out to obtain the inspection results; through the unloading mechanism, the corresponding display panels to be tested are moved to the unloading conveying mechanism according to the inspection results, so as to realize the sorting of the display panels to be tested of different sizes and different qualities, effectively improving the accuracy and efficiency of FOB quality inspection, ensuring the production yield, reducing labor costs, reducing the defective rate of TFT panels after FOB binding, and reducing the workload of rework workers. In addition, by arranging the unloading conveying mechanism, the feeding conveyor belt, the visual inspection mechanism, the loading mechanism and the unloading mechanism in different directions, the installation space of the inspection device in the FOB binding machine can be saved, the miniaturization of the inspection device can be realized, and the automation of the inspection device can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 The utility model is a schematic structural diagram of a quality detection device for a touch display screen shown in an embodiment.

[0044] Figure 2 It is a structural schematic diagram of a feeding conveyor belt of a quality inspection device for a touch display screen shown in one embodiment of the utility model;

[0045] Figure 3 It is a schematic front view of the structure of a feeding mechanism of a quality inspection device for a touch display screen shown in one embodiment of the utility model;

[0046] Figure 4 It is a schematic structural side view of a feeding mechanism of a quality inspection device for a touch display screen shown in one embodiment of the utility model;

[0047] Figure 5 It is a structural schematic diagram of a visual inspection mechanism of a quality inspection device for a touch display screen shown in one embodiment of the utility model;

[0048] Figure 6 The utility model is a schematic structural diagram of a posture detection mechanism of a quality detection device for a touch display screen shown in an embodiment of the present invention.

[0049] Reference numerals: 100, feeding conveyor belt, 110, in-position detector, 120, blocking wheel fixing plate, 130, mounting seat, 140, incoming material stopper;

[0050] 200, feeding mechanism, 210, fixing assembly, 220, mounting plate, 230, first suction cup bracket, 240, second suction cup bracket, 250, third suction cup bracket, 260, fourth suction cup bracket, 270, rotating support arm, 271, servo motor, 272, fixed support plate, 273, fixed rib plate, 274, coupling, 275, rotating shaft bracket, 276, rotating sensor plate, 280, first driving assembly, 281, first driving motor, 282, driving fixed frame, 283, driving bottom plate, 284, pulley component, 285, synchronous belt, 286, first sliding component, 287, cylinder slide, 288, cylinder connecting plate, 289, vacuum shunt seat, 290, first limit switch;

[0051] 300, visual inspection mechanism, 310, visual inspection component, 311, code scanning camera, 312, inspection camera, 313, point light source, 314, ring light source, 320, loading platform, 330, second driving component, 331, second sliding component, 332, second driving motor, 333, second limit switch, 340, third driving component, 341, fixed cross bar, 342, driving fixing plate, 343, third sliding component, 344, third driving motor, 345, camera mounting frame, 346, light source mounting frame;

[0052] 400, unloading mechanism, 500, discharging conveying mechanism, 600, posture detection mechanism, 610, alignment camera assembly, 620, camera mounting seat, 630, fourth driving assembly, 640, limiting assembly. DETAILED DESCRIPTION

[0053] In order to make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the present utility model will be further described below in conjunction with the embodiments and drawings.

[0054] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices and methods consistent with some aspects of the present disclosure as detailed in the appended claims.

[0055] Reference Figure 1 and Figure 2In an embodiment of the first aspect of the utility model, a quality inspection device for a touch display screen includes: a feeding conveyor belt 100, a loading mechanism 200, a visual inspection mechanism 300, a unloading mechanism 400 and a discharging conveying mechanism 500.

[0056] The output end of the discharge conveyor mechanism 500 extends along the first direction, the infeed conveyor belt 100 is arranged along the first direction, the input end of the infeed conveyor belt 100 is connected to the output end of the discharge conveyor belt of the previous process, and the output end of the infeed conveyor belt 100 is connected to the discharge conveyor mechanism 500. The infeed conveyor belt 100 is used to convey the display panel to be tested.

[0057] An in-place detector 110 is provided at the end of the feeding conveyor belt 100 . The in-place detector 110 is located at the end of the feeding conveyor belt 100 . The in-place detector 110 is in communication connection with the feeding mechanism 200 . The in-place detector 110 is used to detect the display panel to be tested.

[0058] In one embodiment, the display panel to be tested moves with the feeding conveyor belt 100. When it reaches the end of the feeding conveyor belt 100, the arrival detector 110 can detect the display panel to be tested and determine that the display panel to be tested has reached the specified position. Then, the arrival detector 110 outputs an arrival signal to the loading mechanism 200, and the feeding conveyor belt 100 stops running for a set time period to allow the loading mechanism 200 to pick up the material.

[0059] The loading mechanism 200 is installed along the second direction and is located above the infeed conveyor belt 100. The loading mechanism 200 absorbs the display panel to be tested on the infeed conveyor belt 100, moves the display panel to be tested, and lowers the display panel to be tested to the test area of ​​the visual inspection mechanism 300.

[0060] In one embodiment, the loading mechanism 200 receives an in-place signal, obtains the size of the display panel to be tested, and determines a first moving distance of the loading mechanism 200 along the second direction according to the size, so as to realize the loading of display panels to be tested of different sizes.

[0061] The size of the display panel to be tested may be obtained from a previous process or may be preset and inputted. The first moving distance may also be determined by considering the length parameter of the feeding mechanism 200 .

[0062] The visual inspection mechanism 300 is installed along the first direction. The visual inspection mechanism 300 is located between the loading mechanism 200 and the unloading mechanism 400. The visual inspection mechanism 300 is communicated with the loading mechanism 200. A test area is provided on the visual inspection mechanism 300. The visual inspection mechanism 300 performs quality inspection on the hot pressing binding area (FOB area) on the surface of the display panel to be tested on the test area to obtain the inspection result.

[0063] In one embodiment, after the loading mechanism 200 lowers the display panel to be tested, the loading mechanism 200 sends a material unloading completion signal to the visual inspection mechanism 300. The visual inspection mechanism 300 receives the material unloading completion signal, performs quality inspection on the hot pressing binding area (FOB area) on the surface of the display panel to be tested on the test area, and obtains the inspection result.

[0064] The unloading mechanism 400 is installed along the second direction, and is located above the unloading conveying mechanism 500. The unloading mechanism 400 is in communication with the visual inspection mechanism 300, and according to the inspection result, the unloading mechanism 400 absorbs the display panel to be tested on the inspection area of ​​the visual inspection mechanism 300, moves the display panel to be tested, and lowers the display panel to be tested to the unloading conveying mechanism 500.

[0065] In one embodiment, after the visual inspection mechanism 300 completes the inspection, the inspection result is sent to the unloading mechanism 400, which receives the inspection result, obtains the size of the display panel to be tested, and determines the second moving distance of the unloading mechanism 400 along the second direction according to the size, and absorbs the display panel to be tested at the test area, so as to realize the unloading of display panels of different sizes. The second moving distance can also be determined by considering the length parameter of the unloading mechanism 400.

[0066] The unloading mechanism 400 determines the unloading moving distance according to the detection result, and lowers the sucked display panels to be tested to the corresponding conveyor belt in the unloading conveying mechanism 500 according to the unloading moving distance, so as to sort the display panels to be tested of different qualities.

[0067] It should be noted that, in the present invention, the display panel to be tested may be a TFT (liquid crystal) panel. Wherein, the second direction is perpendicular to the first direction on the horizontal plane, and the third direction is perpendicular to the first direction on the vertical plane. In the following embodiments, the first direction, the second direction and the third direction are not repeated. In a three-dimensional rectangular coordinate system, the first direction can be regarded as the X-axis, the second direction can be regarded as the Y-axis, and the third direction can be regarded as the Z-axis.

[0068] The loading mechanism 200 and the unloading mechanism 400 are used to pick and place display panels of different sizes to be tested, and the visual inspection mechanism 300 is used to perform quality inspection on the hot pressing binding area on the display panel to be tested to obtain the inspection result. The unloading mechanism 400 moves the corresponding display panel to be tested to the unloading conveyor mechanism 500 according to the inspection result, so as to realize the sorting of display panels of different sizes and different qualities to be tested, effectively improving the accuracy and efficiency of FOB quality inspection, ensuring the production yield, and reducing labor costs. In addition, by arranging the unloading conveyor mechanism 500, the feeding conveyor belt 100, the visual inspection mechanism 300, the loading mechanism 200 and the unloading mechanism 400 in different directions, the installation space of the inspection device in the FOB binding machine can be saved, and the miniaturization of the inspection device can be realized and the automation of the inspection device can be improved.

[0069] Reference Figure 1 and Figure 2 In the embodiment of the first aspect of the utility model, the feed conveyor belt 100 is also provided with a stopper wheel fixing plate 120, a mounting seat 130 and an incoming material stopper 140.

[0070] The end 100 of the feeding conveyor belt is provided with a wheel stopper fixing plate 120, a mounting seat 130, a material stopper 140 and an in-place detector 110. The wheel stopper fixing plate 120 is arranged at the end of the feeding conveyor belt 100 along the second direction, the mounting seat 130 and the material stopper 140 are both fixed to the surface of one side of the wheel stopper fixing plate 120 along the first direction, and the in-place detector 110 is fixed to the mounting seat 130. The length of the material stopper 140 is greater than the length of the mounting seat 130, and the material stopper 140 with a certain length can stabilize the display panel to be tested, which is convenient for the feeding mechanism 200 to absorb.

[0071] The in-place detector 110 can detect the display panel to be tested on the in-feed conveyor belt 100 . The in-place detector 110 can be an optical fiber sensor, an ultrasonic sensor or a pressure sensor. In this embodiment, no specific limitation is imposed on the type of the in-place detector 110 .

[0072] In this embodiment, the in-place detector 110, the incoming material stopper 140 and the feed conveyor belt 100 cooperate with each other to achieve that when the display panel to be tested reaches the designated panel, the feed conveyor belt 100 stops running within a set time period, thereby stabilizing the display panel to be tested and facilitating the loading mechanism 200 to absorb the display panel to be tested.

[0073] Reference Figures 1 to 4 In the embodiment of the first aspect of the utility model, the feeding mechanism 200 includes: a fixing assembly 210, a mounting plate 220, a first suction cup bracket 230, a second suction cup bracket 240, a rotating support arm 270, a first driving assembly 280 and a first limit switch 290.

[0074] The first driving assembly 280 is fixed on the fixing assembly 210 . The first driving assembly 280 is connected to the rotating arm 270 . The rotating arm 270 is movably connected to the top plate of the mounting plate 220 .

[0075] One end of the top plate of the mounting plate 220 is connected to the first suction cup bracket 230, and the other end of the top plate of the mounting plate 220 is electrically connected to the second suction cup bracket 240. The first suction cup bracket 230 and the second suction cup bracket 240 are both arranged along the first direction and parallel to each other. The first suction cup bracket 230 and the second suction cup bracket 240 can both absorb the display panel to be tested.

[0076] The surface of the second suction cup bracket 240 is provided with four transverse grooves, and the two transverse grooves located on the outside are fixedly connected to the third suction cup bracket 250 and the fourth suction cup bracket 260. The third suction cup bracket 250 is located at one end of the second suction cup bracket 240, and the fourth suction cup bracket 260 is located at the other end of the second suction cup bracket 240. The third suction cup bracket 250 and the fourth suction cup bracket 260 are both arranged along the second direction, parallel to each other, and can absorb the binding pins (FOB pins) on the surface of the display panel to be tested.

[0077] In one embodiment, when the size of the display panel to be tested is 150mm*100mm*0.5mm, the size of the display panel to be tested is small, and the suction cup of the second bracket is called to absorb the display panel to be tested, and the third suction cup bracket 250 and the fourth suction cup bracket 260 absorb the binding pins of the display panel to be tested; when the size of the display panel to be tested is large, and the display panel to be tested is 400mm*300mm*2mm, the suction cups of the first suction cup bracket 230 and the second suction cup bracket 240 are called to absorb the display panel to be tested, and the third suction cup bracket 250 and the fourth suction cup bracket 260 absorb the binding pins of the display panel to be tested, so as to realize the absorption and movement of multi-size TFT panels. Among them, the size range of the display panel to be tested that can be taken and placed by the loading mechanism 200 is 150mm*100mm*0.5mm to 400mm*300mm*2mm.

[0078] An I-shaped multi-suction cup structure is formed by the mounting plate 220, the first suction cup bracket 230, the second suction cup bracket 240, the third suction cup bracket 250 and the fourth suction cup bracket 260, and the I-shaped multi-suction cup structure is used to realize the placement and sorting of display panels of different sizes to be tested and the pins bound on their surfaces.

[0079] The rotating arm 270 is used to rotate the mounting plate 220 , thereby rotating the first suction cup bracket 230 and the second suction cup bracket 240 , so as to drive the third suction cup bracket 250 and the fourth suction cup bracket 260 to rotate.

[0080] The first driving assembly 280 is connected to the rotating arm 270 . The first driving assembly 280 is installed along the second direction. The first driving assembly 280 can drive the rotating arm 270 to move along the second direction and drive the rotating arm 270 to move along the third direction.

[0081] The rotating support arm 270 includes a servo motor 271 , a fixed support plate 272 , a fixed rib plate 273 , a coupling 274 , a rotating shaft bracket 275 and a rotating sensing sheet 276 .

[0082] The fixed support plate 272 and the fixed rib plate 273 are both connected to the first driving assembly 280. The fixed rib plate 273 is installed on the fixed support plate 272. The servo motor 271 is fixed to the upper surface of the fixed support plate 272. The rotating shaft bracket 275 is arranged on the lower surface of the fixed support plate 272. The surface of the rotating shaft bracket 275 is connected to a rotation sensing plate 276.

[0083] The bottom of the servo motor 271 is connected to the top of the coupling 274 , the bottom of the coupling 274 passes through the fixed support plate 272 and is connected to the upper end of the shaft bracket 275 , the servo motor 271 is connected to the shaft bracket 275 through the coupling 274 , and the lower end of the shaft bracket 275 is connected to the mounting plate 220 .

[0084] The sensor plate 276 is rotated to control the rotation angle of the servo motor 271 , and the servo motor 271 drives the coupling 274 to rotate the grabbing shaft, and the grabbing shaft rotates the mounting plate 220 to realize the rotation of the I-shaped multi-suction cup structure in the horizontal plane.

[0085] The first driving assembly 280 includes: a first driving motor 281, a driving fixing frame 282, a driving base plate 283, a pulley component 284, a synchronous belt 285, a first sliding component 286, a cylinder slide 287, a cylinder connecting plate 288 and a vacuum diverter seat 289.

[0086] A driving base plate 283 is fixed on the driving fixed frame 282 , a first driving motor 281 is installed on one end of the driving base plate 283 , a pulley component 284 is installed on the other end of the driving base plate 283 , a synchronous belt 285 is sleeved on the first driving motor 281 and the pulley component 284 , and the pulley component 284 is used to tension the synchronous belt 285 .

[0087] The first limit switch 290 is installed on the driving base plate 283. The first limit switch 290 is located between the first driving motor 281 and the pulley component 284. The first limit switch 290 is arranged close to the first driving motor 281. The first limit switch 290 is used to limit the I-shaped multi-suction cup structure.

[0088] The first sliding component 286 is installed on the driving bottom plate 283 . The first sliding component 286 is electrically connected to the first driving motor 281 . The first sliding component 286 is connected to the fixed support plate 272 .

[0089] Driven by the first driving motor 281 , the first sliding component 286 drives the rotating support arm 270 on the fixed support plate 272 to move along the first direction, so as to drive the four suction cup brackets to move along the first direction.

[0090] The first sliding member 286 is connected to the inner side of the cylinder slide 287, the outer side of the cylinder slide 287 is connected to the cylinder connecting plate 288, the upper end of the cylinder connecting plate 288 is connected to the vacuum manifold seat 289, and the lower end of the cylinder connecting plate 288 is connected to the fixed support plate 272. The lower end of the cylinder connecting plate 288 is also connected to the fixed rib 273. The cylinder slide 287 is electrically connected to the first drive motor 281.

[0091] Driven by the first driving motor 281 , the cylinder slide 287 drives the rotating support arm 270 on the fixed support plate 272 to move along the second direction through the cylinder connecting plate 288 , so as to drive the four suction cup brackets to move along the second direction.

[0092] The structure of the feeding mechanism 200 is consistent with that of the unloading mechanism 400. The structure of the unloading mechanism 400 will not be described in detail in the present invention.

[0093] Reference Figures 1 to 5 In the embodiment of the first aspect of the present utility model, the visual inspection mechanism 300 includes: a visual inspection component 310, a loading platform 320, a second driving component 330 and a third driving component 340.

[0094] The second driving component 330 is installed along the first direction, and the second driving component 330 is connected to the bottom of the loading platform 320. A test area is provided on the loading platform 320. The second driving component 330 can drive the loading platform 320 to move along the first direction so that the test area coincides with the image acquisition surface of the visual detection component 310.

[0095] The third driving assembly 340 is located above the second driving assembly 330 . The third driving assembly 340 is installed along the first direction. The third driving assembly 340 is connected to one side of the visual detection assembly 310 . The third driving assembly 340 can drive the visual detection assembly 310 to move along the third direction.

[0096] The second driving assembly 330 includes: a second sliding component 331 , a second driving motor 332 and a second limit switch 333 .

[0097] The second driving motor 332 is disposed on the side of the second sliding component 331, the second driving motor 332 is electrically connected to the second sliding component 331, the second sliding component 331 is connected to the object-carrying platform 320, and the second limit switch 333 is disposed at both ends of the second sliding component 331, and the second limit switch 333 is used to limit the object-carrying platform 320. Driven by the second driving motor 332, the second sliding component 331 drives the object-carrying platform 320 to move along the first direction, so as to drive the display panel to be tested on the area to be tested to move, so that the area to be tested coincides with the image acquisition surface of the visual detection component 310.

[0098] The visual inspection component 310 includes: a code scanning camera 311 , a detection camera 312 , a point light source 313 and a ring light source 314 .

[0099] The barcode scanning camera 311 is used to obtain the two-dimensional code information or barcode information on the surface of the display panel to be tested, and to trace the production process of the industrial product through the information.

[0100] The third driving assembly 340 includes: a fixed cross bar 341 , a driving fixed plate 342 , a third sliding component 343 , a third driving motor 344 , a camera mounting bracket 345 and a light source mounting bracket 346 .

[0101] The fixed cross bar 341 is installed along the first direction and is located above the second driving assembly 330 . One side of the driving fixed plate 342 is connected to the fixed cross bar 341 . The third sliding component 343 is fixed to the other side of the driving fixed plate 342 along the third direction.

[0102] One end of the third sliding component 343 is connected to the third driving motor 344 . The third sliding component 343 is connected to the camera mounting bracket 345 . The detection camera 312 is mounted on the camera mounting bracket 345 . The point light source 313 is disposed on the detection camera 312 .

[0103] The code scanning camera 311 is located above the light source mounting frame 346 , and the light source mounting frame 346 is located below the camera mounting frame 345 . The code scanning camera 311 and the light source mounting frame 346 are both connected to the driving fixing plate 342 , and the annular light source 314 is installed on the light source mounting frame 346 .

[0104] Driven by the third driving motor 344, the third sliding component 343 drives the camera mounting frame 345 to move along the third direction to adjust the vertical position of the visual inspection component 310. In the above embodiment, the visual inspection component 310 and the object loading platform 320 are adjusted in different directions by the second driving component 330 and the third driving component 340, so as to obtain a clear image of the display panel to be tested and reduce interference from other factors, so as to improve the accuracy of quality inspection.

[0105] Reference Figures 1 to 6 In an embodiment of the first aspect of the utility model, the quality detection device further includes: a posture detection mechanism 600.

[0106] The posture detection mechanism 600 is located below the feeding mechanism 200 . The posture detection mechanism 600 is in communication connection with the feeding mechanism 200 . The posture detection mechanism 600 is arranged along the second direction and is parallel to the feeding mechanism 200 .

[0107] The posture detection mechanism 600 can detect the current posture of the feeding mechanism 200, and according to the posture correction algorithm, the current posture of the feeding mechanism 200 can be self-adjusted.

[0108] The posture detection mechanism 600 includes: an alignment camera assembly 610 , a camera mounting seat 620 , a fourth driving assembly 630 , a light source assembly and a limit assembly 640 .

[0109] The light source assembly is arranged at the lens socket of the alignment camera assembly 610, the alignment camera assembly 610 is mounted on the camera mounting seat 620, the camera mounting seat 620 is fixed on the fourth driving assembly 630, and the limit assembly 640 is arranged at both ends of the fourth driving assembly 630. The fourth driving assembly 630 drives the camera mounting seat 620 to move along the second direction, so that the alignment camera assembly 610 collects the current image of the feeding mechanism 200 and obtains the current posture of the feeding mechanism 200. Among them, the limit assembly 640 includes: a soft rubber limit block and a third limit switch.

[0110] Reference Figure 1 In an embodiment of the first aspect of the present utility model, the discharging conveying mechanism 500 includes: a qualified panel conveyor belt and an abnormal panel conveyor belt.

[0111] The qualified panel conveyor belt and the abnormal panel conveyor belt are arranged side by side. The qualified panel conveyor belt can convey qualified display panels to be tested, and the abnormal panel conveyor belt can convey abnormal display panels to be tested.

[0112] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0113] In this document, the terms "comprises," "comprising," or any other variations thereof, are intended to cover a non-exclusive inclusion of elements other than those listed and may also include additional elements not expressly listed.

[0114] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A quality inspection device for a touch display screen, characterized in that: include: A discharging conveying mechanism, wherein an output end of the discharging conveying mechanism extends along a first direction; A feeding conveyor belt, the output end of which is connected to the input end of the discharging conveyor mechanism, and an in-position detector is provided on the feeding conveyor belt; A visual inspection mechanism, wherein the visual inspection mechanism is arranged along a first direction, a test area is arranged on the visual inspection mechanism, and the visual inspection mechanism is used to perform quality inspection on a hot pressing binding area of ​​a display panel to be tested; A feeding mechanism, which is arranged along the second direction and is located above the feeding conveyor belt. The feeding mechanism is respectively connected to the in-place detector and the visual detection mechanism for communication. The feeding mechanism is used to move the display panel to be tested at the feeding conveyor belt to the area to be tested. A material unloading mechanism, which is arranged along the second direction and is located above the material unloading conveying mechanism. The material unloading mechanism is in communication connection with the visual detection mechanism and is used to move the display panel to be tested in the test area to the material unloading conveying mechanism. The second direction is horizontally perpendicular to the first direction.

2. A touch display screen quality inspection device according to claim 1, characterized in that: The feeding mechanism comprises: Mounting plate; A first suction cup bracket, the first suction cup bracket is connected to one end of the bottom plate of the mounting plate, the first suction cup bracket is arranged along a first direction, and the first suction cup bracket is used to suck the display panel to be tested; a second suction cup bracket, the second suction cup bracket being connected to the other end of the bottom plate of the mounting plate, the first suction cup bracket being arranged along the first direction, and the second suction cup bracket being used for sucking the display panel to be tested; Among them, the second suction cup bracket is externally connected to a third suction cup bracket and a fourth suction cup bracket, the third suction cup bracket and the fourth suction cup bracket are both arranged along the second direction, and the third suction cup bracket and the fourth suction cup bracket can absorb the binding pins of the display panel to be tested.

3. The quality inspection device for a touch display screen according to claim 1, characterized in that: Also includes: Posture detection mechanism; The posture detection mechanism is located below the feeding mechanism, the posture detection mechanism is in communication connection with the feeding mechanism, the posture detection mechanism is arranged along the second direction, and the posture detection mechanism is used to detect the current posture of the feeding mechanism so that the feeding mechanism adjusts the current posture.

4. The quality inspection device for a touch display screen according to claim 2, characterized in that: The feeding mechanism also includes: A rotating support arm, wherein the rotating support arm is movably connected to the top plate of the mounting plate, and the rotating support arm can rotate the first suction cup bracket and the second suction cup bracket through the mounting plate to drive the third suction cup bracket and the fourth suction cup bracket to rotate; A first driving assembly, wherein the first driving assembly is connected to the rotating support arm, the first driving assembly is arranged along the second direction, and the first driving assembly is used to drive the rotating support arm to move along the second direction and the third direction; Wherein, the third direction is vertically perpendicular to the first direction, and the structure of the loading mechanism is the same as that of the unloading mechanism.

5. A touch display screen quality inspection device according to claim 4, characterized in that: The visual detection mechanism comprises: Visual inspection components; A loading platform, on which the area to be tested is arranged; A second driving assembly, the second driving assembly is arranged along the first direction, the second driving assembly is connected to the bottom of the loading platform, and the second driving assembly is used to drive the loading platform to move along the first direction; The third driving component is located above the second driving component, the third driving component is arranged along the first direction, the third driving component is connected to the visual detection component, and the third driving component is used to drive the visual detection component to move along the third direction.

6. The quality inspection device for a touch display screen according to claim 1, characterized in that: The discharging conveying mechanism comprises: a qualified panel conveying belt and an abnormal panel conveying belt arranged side by side with the qualified panel conveying belt.

7. The quality inspection device for a touch display screen according to claim 3, characterized in that: The posture detection mechanism comprises: An alignment camera assembly, the alignment camera assembly is used to collect a current image of the feeding mechanism to detect the current posture; A camera mounting seat, wherein the camera mounting seat fixes the alignment camera assembly; a fourth driving assembly, wherein the fourth driving assembly fixes the camera mounting seat and is used to drive the camera mounting seat to move along the second direction; A light source assembly is installed at the lens socket of the alignment camera assembly.

8. The quality inspection device for a touch display screen according to claim 4, characterized in that: The rotating support arm comprises: A fixed support plate, the fixed support plate is connected to the first drive assembly; A fixed rib plate, the fixed rib plate is connected to the first driving assembly and is arranged on the fixed support plate; A servo motor, wherein the servo motor is fixed to the upper surface of the fixed support plate; A rotating shaft bracket, the rotating shaft bracket is arranged on the lower surface of the fixed support plate, the rotating shaft bracket is connected to the mounting plate, and a rotation sensing sheet is arranged on the surface of the rotating shaft bracket; The coupling has a top connected to the servo motor, and a bottom connected to the rotating shaft bracket through a fixed support plate.

9. The quality inspection device for a touch display screen according to claim 5, characterized in that: The visual detection component includes: a code scanning camera, a detection camera, a point light source and a ring light source.

10. The quality inspection device for a touch display screen according to claim 7, characterized in that: The posture detection mechanism further includes: a limit assembly; the limit assembly is arranged at both ends of the fourth driving assembly.

Images