WO2019109249A1

WO2019109249A1 - Aoi-based lcd panel inspection device

Info

Publication number: WO2019109249A1
Application number: PCT/CN2017/114618
Authority: WO
Inventors: 豆智慧
Original assignee: 深圳市宝盛自动化设备有限公司
Priority date: 2017-12-05
Filing date: 2017-12-05
Publication date: 2019-06-13

Abstract

An AOI-based LCD panel inspection device, relating to the field of LCD panel inspection, can perform accurate and efficient inspection. An LCD panel is automatically absorbed from a material feeding work station to an upper-surface material moving platform (4) by means of a material feeding mechanical arm (2), and then the LCD panel is rapidly and accurately delivered, by means of a linear motor, to an upper-surface inspection work station for inspection, so as to accurately and efficiently convey the LCD panel. In addition, a material conveying mechanical arm (7) absorbs an LCD panel with a qualified upper surface and moves the LCD panel to a lower-surface inspection work station, and a lower-surface AOI mechanism (3) performs AOI inspection of a lower surface of the LCD panel, at a position below the lower surface of the LCD panel; and it is unnecessary to arrange an overturn mechanism to turn over the lower surface of the LCD panel and then place the LCD panel on a transfer platform (9) to undergo inspection, thereby simplifying the LCD panel inspection device, and improving the inspection efficiency.

Description

AOI-based LCD panel inspection equipment

Technical field

The invention belongs to the field of LCD panel detection, and in particular relates to an AOI-based LCD panel detecting device.

Background technique

AOI (Automatic Optic Inspection: Automated Optical Inspection technology is widely used in a variety of industries, however, in LCD (Liquid Crystal Display: Liquid crystal display) has always used manual detection methods in the field of panel inspection. When detecting the panel of the LCD, it is necessary to carefully detect whether there are any defects such as dust, foreign matter, scratches, and poor adhesion of the upper and lower panels of the LCD. Manual detection is not only inefficient, low in accuracy, but also varies from person to person, and there is no uniform standard of test results.

In summary, the existing LCD panel inspection technology has the technical problems of low efficiency, low precision, and lack of uniform detection result standards.

technical problem

The existing panel inspection technology of LCD has technical problems of low efficiency, low precision, and lack of uniform detection result standards.

Technical solution

An object of the present invention is to provide an AOI-based LCD panel detecting device, which aims to solve the technical problems of low efficiency, low precision, and lack of uniform detection result standards of the panel inspection technology of the prior LCD.

To achieve the above object, in a first implementation, the present invention provides an AOI-based LCD panel detecting apparatus for detecting an upper surface and a lower surface of an LCD panel, including:

The operation station comprises a detection work area and a transportation area, the inspection work area is located at one side of the transport area, and the inspection work area is provided with a feeding station, an upper surface detecting station and a transfer station And a lower surface detecting station, wherein the conveying area is provided with a conveying guide;

a loading robot, disposed at the feeding station, sucking an upper surface of the LCD panel to transfer the LCD panel;

a linear motor comprising a stator and a mover, the stator being fixed between the feeding station and the transfer station, the mover slidingly disposed on the stator;

The upper surface loading platform is fixed to the mover, and the LCD panel is loaded to the upper surface detecting station;

An upper surface AOI mechanism disposed at the upper surface detecting station for performing AOI detection on an upper surface of the LCD panel from above an upper surface of the LCD panel;

a relay manipulator, disposed at the transfer station, and transferring the LCD panel after the upper surface is detected;

The transfer platform is disposed at the transfer station and transfers the LCD panel after the upper surface is detected;

a transport robot, sliding on the transport rail, sucking the upper surface qualified LCD panel to the lower surface inspection station for detection, and transferring the LCD panel after the lower surface detection;

A lower surface AOI mechanism is disposed at the lower surface detecting station to perform AOI detection on a lower surface of the LCD panel from below a lower surface of the LCD panel.

In conjunction with the first achievable solution, in the second implementation, the console further includes:

a throwing station located at one side of the inspection station area;

The throwing line is disposed at the throwing station, and the LCD panel with the unqualified upper surface is transferred, and the LCD panel with the lower surface is unloaded.

In combination with the first achievable solution, in a third implementation, the upper surface detecting mechanism includes:

Illuminating the light source, and illuminating the upper surface of the LCD panel downward;

Shooting the transmission device, taking down the upper surface of the LCD panel to obtain the output information of the upper surface panel to the main controller;

The lower photographing adjustment device is configured to be movably connected to the lower photographing and transporting device to adjust a photographing angle of view of the lower photographing and transporting device.

In conjunction with the first achievable solution, in a fourth implementation, the lower surface detecting mechanism includes:

Illuminating the light source, illuminating the lower surface of the LCD panel with upward illumination;

Shooting the transmission device, photographing the lower surface of the LCD panel to obtain the output information of the lower surface panel to the main controller;

The upper photographing adjustment device has a top end that is movably connected to the upper photographing and transporting device to adjust a photographing angle of view of the upper photographing and transporting device.

In combination with the third achievable solution, in the fifth achievable solution, the lower shooting adjustment device includes:

Taking an X-direction rotation adjusting member, comprising: a first X knob, a first X base and a first X turntable, wherein the first X knob is disposed between the first X base and the first X turntable, and is adjusted When the first X knob is turned, the first X turntable rotates in the X direction;

Taking a Y-direction rotation adjustment member, comprising: a first Y knob, a first Y base and a first Y turntable, wherein the first Y knob is disposed between the first Y base and the first Y turntable, and is adjusted When the first Y knob is turned, the first Y turntable rotates in the Y direction;

Taking a Z-direction rotation adjusting member, comprising: a first Z knob, a first Z base and a first Z turntable, wherein the first Z knob is disposed between the first Z base and the first Z turntable, and is adjusted When the first Z knob is rotated, the first Z turntable rotates in the Z direction;

The first X turntable is fixed to the lower photographing transmission device, the first X base is fixed to the first Z turntable, and the first Z base is fixed to the first Y turntable.

In combination with the fifth achievable solution, in the sixth implementation, the lower shooting adjustment device further includes:

Shooting a Y-to-thousand-head adjustment slide, fixed to the first Y base, and slidably connected to one side of the first slide connection plate;

Taking an X-to-thousand-head adjustment slide, fixed to the other side of the first slide connecting plate, and slidably connected to one side of the second slide connecting plate;

Shooting a Z-to-thousand-head adjustment slide, fixed to the other side of the second slide connection plate, and slidably connected to one side of the third slide connection plate, the third slide connection plate and the first The connecting plate is fixed;

Shooting a Z-direction moving member, comprising a first Z-direction adjusting nut, a first Z-direction adjusting screw, a first Z-direction moving plate and a first Z-direction screw fixing seat, wherein the first Z-direction adjusting screw passes through the first a Z-direction screw mount is coupled to the first Z-direction adjustment nut, the first Z-direction screw mount is fixed to the first Z-direction limit plate, the first Z-direction adjustment nut and the first connection The plates are fixedly connected to the first Z-direction moving plate, and the first Z-direction moving plate is slidably connected to the first Z-direction limiting plate;

Shooting a Y-direction moving member, including a first Y-direction adjusting nut, a first Y-direction adjusting screw, a first Y-direction moving plate, a first Y-direction limiting plate, and a first Y-direction screw fixing seat, the first Y Connecting the adjusting screw to the first Y-direction adjusting nut through the first Y-direction screw fixing seat, the first Y-direction screw fixing seat being fixed to the first Y-direction limiting plate, the first Y-direction The moving plate is fixed to the first Z guiding limiting plate and slidably connected to the first Y guiding limiting plate;

Shooting an X-direction moving member, including a first X bracket, a first X-direction moving plate, and a first X-direction chute, the two sides of the first X bracket being respectively associated with the first Y-guide limiting plate and the The first X-direction moving plate is fixed, and the first X-direction moving plate is slidably coupled to the first X-direction chute.

In combination with the fourth achievable solution, in the seventh achievable solution, the upper shooting adjustment device includes:

The X-direction rotation adjusting member is photographed, comprising: a second X knob, a second X base and a second X turntable, wherein the second X knob is disposed between the second X base and the second X turntable, and is adjusted When the second X knob is turned, the second X turntable rotates in the X direction;

The Y-direction rotation adjusting member is photographed, comprising: a second Y knob, a second Y base and a second Y turntable, wherein the second Y knob is disposed between the second Y base and the second Y turntable, and is adjusted When the second Y knob is turned, the second Y turntable rotates in the Y direction;

The Z-direction rotation adjusting member is photographed, comprising: a second Z knob, a second Z base and a second Z turntable, wherein the second Z knob is disposed between the second Z base and the second Z turntable, and is adjusted When the second Z knob is rotated, the second Z turntable rotates in the Z direction;

The second X turntable is fixed to the upper photographing transmission device, the second X base is fixed to the second Z turntable, and the second Z base is fixed to the second Y turntable.

In combination with the seventh achievable solution, in the eighth implementation, the upper photographing adjustment device further includes:

Shooting a Y-to-thousand-head adjustment slide, fixed to the second Y base, and slidably connected to one side of the fourth slide connecting plate;

Shooting an X-to-thousand-head adjustment slide, fixed to the other side of the fourth slide connection plate, and slidably connected to one side of the fifth slide connection plate;

Shooting a Z-to-thousand-head adjustment slide, fixed to the other side of the fifth slide connection plate, and slidably connected to one side of the sixth slide connection plate, the sixth slide connection plate and the second The connecting plate is fixed;

Shooting a Z-direction moving member, comprising a second Z-direction adjusting nut, a second Z-direction adjusting screw, a second Z-direction moving plate and a second Z-direction screw fixing seat, wherein the second Z-direction adjusting screw passes through the a second Z-direction screw fixing seat is coupled to the second Z-direction adjusting nut, the second Z-direction screw fixing seat is fixed to the second Z-direction limiting plate, the second Z-direction adjusting nut and the first The two connecting plates are connected and fixed to the second Z-direction moving plate, and the second Z-direction moving plate is slidably connected to the second Z-direction limiting plate;

Shooting a Y-moving member, including a second Y-direction adjusting nut, a second Y-direction adjusting screw, a second Y-direction moving plate, a second Y-direction limiting plate, and a second Y-direction screw fixing seat, the second Y Connecting the adjusting screw to the second Y-direction adjusting nut through the second Y-direction screw fixing seat, the second Y-direction screw fixing seat being fixed to the second Y-direction limiting plate, the second The Y-direction moving plate is fixed to the second Z-guide limiting plate and slidably connected to the second Y-direction limiting plate;

Shooting an X-direction moving member, including a second X bracket, a second X-direction moving plate, and a second X-direction chute, the two sides of the second X bracket being respectively associated with the second Y-guide limiting plate and the The second X-direction moving plate is fixed, and the second X-direction moving plate is slidably connected to the second X-direction sliding groove.

Beneficial effect

The AOI-based LCD panel inspection device obtained by the above achievable solution is accurate and efficient. Among them, the LCD panel is automatically sucked from the feeding station to the upper surface loading platform by the feeding robot, and is quickly and accurately sent to the upper surface detecting station detection by the linear motor, thereby realizing the accurate and efficient transmission of the LCD panel. In addition, the transport robot picks up the upper surface qualified LCD panel and transfers it to the lower surface inspection station, and the lower surface AOI mechanism performs AOI detection on the lower surface of the LCD panel from below the lower surface of the LCD panel. The flipping mechanism is arranged to invert the lower surface of the LCD panel and then place it on the transfer platform for further detection, which not only simplifies the LCD panel detecting device, but also improves the detection efficiency.

In addition, the AOI-based LCD panel detecting device obtained by the second achievable solution has a throwing pipeline disposed on the LCD panel with the unqualified upper surface of the throwing station, and the LCD panel with the lower surface being unqualified. It will help the subsequent process and improve its automation.

In addition, the AOI-based LCD panel detecting device obtained by the third achievable solution has a lower illumination source illuminating the upper surface of the LCD panel, so that the upper surface of the LCD panel is bright and clear, thereby enhancing the acquisition of the lower imaging transmission device. The sharpness of the image information of the upper surface panel; at the same time, the lower shooting adjustment device can adjust the shooting angle of the lower shooting transmission device, so that the lower shooting transmission device can shoot the upper surface of the LCD panel at an accurate shooting position and angle, thereby improving The sharpness of the image information of the upper surface panel acquired by the transmission device is taken.

In addition, the AOI-based LCD panel detecting device obtained by the fourth achievable solution has an upper illumination source illuminating and illuminating the lower surface of the LCD panel, so that the lower surface of the LCD panel is bright and clear, thereby improving the acquisition of the upper imaging transmission device. The sharpness of the image information of the surface panel; at the same time, the upper shooting adjustment device can adjust the shooting angle of the upper shooting transmission device, so that the upper shooting transmission device can shoot the lower surface of the LCD panel at an accurate shooting position and angle, thereby improving the upper surface The sharpness of the image information of the lower surface panel acquired by the transmission device is taken.

In addition, the AOI-based LCD panel detecting device obtained by the fifth achievable solution, under which the X-direction rotation adjusting member, the lower shooting Y-direction rotating adjusting member, and the lower shooting Z-direction rotating adjusting member are jointly realized to realize three-dimensional space The rotation adjustment of the angle, thereby satisfying any angle required in actual shooting, thereby improving the sharpness of the image information of the upper surface panel acquired by the lower photographing transmission device.

In addition, the AOI-based LCD panel detecting device obtained by the sixth achievable solution, under which the X-direction moving member, the lower Y-moving member, and the Z-moving member are photographed together, realizes rough position in any position in the three-dimensional space. Move the adjustment, and take the X to the thousand to adjust the slide, the lower Y to the thousand to adjust the slide and the lower to the Z to the thousand to adjust the slide to achieve precise movement adjustment in any position in the three-dimensional space. The coarse movement adjustment of the position ensures the adjustment speed of the shooting angle of the lower shooting transmission device, the precise movement adjustment accuracy of the position, and thus satisfies the shooting position required in the actual shooting, thereby improving the image information of the upper surface panel acquired by the lower shooting transmission device. The clarity.

In addition, the AOI-based LCD panel detecting device obtained by the seventh achievable solution, which adopts an X-direction rotation adjusting member, an upper shooting Y-direction rotating adjusting member, and an upper shooting Z-direction rotating adjusting member, realizes any three-dimensional space. The rotation adjustment of the angle, thereby satisfying any angle required in actual shooting, thereby improving the sharpness of the image information of the lower surface panel acquired by the upper photographing transmission device.

In addition, the AOI-based LCD panel detecting device obtained by the eighth achievable solution, on which the X-direction moving member, the upper Y-moving member, and the Z-moving member are photographed together, realizes rough position in any position in the three-dimensional space. Move adjustment, and take the X to the thousand head adjustment slide, the upper Y to the thousand adjustment slide and the upper Z to the thousand adjustment slide to achieve precise movement adjustment in any position in the three-dimensional space. The coarse movement adjustment of the position ensures the adjustment speed of the shooting angle of the upper shooting transmission device, the precise movement adjustment accuracy of the position, and further satisfies the shooting position required in the actual shooting, thereby improving the image information of the lower surface panel acquired by the upper shooting transmission device. The clarity.

DRAWINGS

1 is a schematic diagram of a station of an AOI-based LCD panel detecting device according to an embodiment of the present invention;

2 is a schematic structural diagram of an AOI-based LCD panel detecting device according to an embodiment of the present invention;

Figure 3 is a schematic structural view of the upper surface AOI mechanism of Figure 2;

Figure 4 is a partial structural schematic view of the upper surface AOI mechanism shown in Figure 3;

Figure 5 is a partial structural schematic view of the upper surface AOI mechanism shown in Figure 3;

Figure 6 is a partial structural schematic view of the upper surface AOI mechanism shown in Figure 3;

Figure 7 is a schematic view showing the structure of the lower surface AOI mechanism of Figure 2;

BEST MODE FOR CARRYING OUT THE INVENTION

Referring to Figures 1 and 2, an AOI-based LCD panel inspection apparatus for detecting an upper surface and a lower surface of an LCD panel.

The AOI-based LCD panel detecting device comprises: a console a, a loading robot 2, a linear motor (not shown), an upper surface loading platform 4, an upper surface AOI mechanism 1, a relay robot 5, an adapter platform 9, and a transport Material robot 7 and lower surface AOI mechanism 3.

The operation station a includes a detection work area and a transportation area, and the inspection work area is located at one side of the transportation area, and the inspection work area is provided with a feeding station, an upper surface inspection station, a transfer station and a lower surface inspection station. , the transport area set the transport rail.

The loading robot 2 is disposed at the feeding station for sucking the upper surface of the LCD panel to transfer the LCD panel.

The linear motor (not shown) includes a stator and a mover, the stator is fixed between the feeding station and the transfer station, and the mover is slidably disposed on the stator.

The upper surface transfer platform 4 is fixed with the mover for carrying the LCD panel to the upper surface inspection station.

Referring to FIG. 3, the upper surface AOI mechanism 1 is disposed at an upper surface detecting station for performing AOI detection on the upper surface of the LCD panel 6 from above the upper surface of the LCD panel 6.

The relay robot 5 is disposed at the transfer station for transferring the LCD panel after the upper surface inspection.

The transfer platform 9 is disposed at the transfer station for transferring the LCD panel after the upper surface is detected.

The transport robot 7 slides on the transport rail, and the LCD panel for taking the upper surface is transferred to the lower surface inspection station for inspection, and the LCD panel after the lower surface inspection is transferred.

Referring to Fig. 7, the lower surface AOI mechanism 3 is disposed at the lower surface detecting station for performing AOI detection on the lower surface of the LCD panel 6 from below the lower surface of the LCD panel 6.

It should be noted that the LCD panel is automatically sucked from the feeding station to the upper surface loading platform 4 by the loading robot 2, and then quickly and accurately sent to the upper surface detecting station for detection by a linear motor (not shown), thereby realizing the LCD panel. Accurate and efficient transmission.

In addition, the transport robot 7 picks up the upper surface qualified LCD panel and transfers it to the lower surface inspection station, and the lower surface AOI mechanism 3 performs AOI detection on the lower surface of the LCD panel from below the lower surface of the LCD panel, without the need to provide an inverting mechanism. The lower surface of the LCD panel is flipped and placed on the transfer platform 9 for detection, which not only simplifies the LCD panel detecting device, but also improves the detection efficiency.

It should also be noted that the LCD panel after the upper surface inspection transferred by the relay robot 5 includes an LCD panel with an upper surface acceptable and an LCD panel with an unqualified upper surface.

It should also be noted that the LCD panel after the lower surface inspection transferred by the transport robot 7 includes an LCD panel with a lower surface and an LCD panel with a lower surface.

Embodiments of the invention

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In order to solve the technical problem of the low efficiency, low precision, and lack of uniform detection result standard of the panel inspection technology of the existing LCD, the first embodiment of the present invention provides an AOI-based LCD panel detection device, as shown in FIG. 1-7. , as detailed below:

Improvedly, the console a also includes a throwing station.

The throwing station is located at one side of the inspection station area, and the throwing station is provided with a throwing line c. The throwing line c is used to transfer the unqualified LCD panel on the upper surface, and is used for receiving the unqualified lower surface. LCD panel.

It should be noted that the throwing line c is disposed on the LCD panel with the unqualified upper surface of the throwing station, and the LCD panel with the unqualified lower surface is supported, which facilitates the subsequent process and improves the automation process.

Specifically, referring to FIG. 3, the upper surface detecting mechanism includes a lower illumination light source 10, a lower imaging transmission device 11, and a lower imaging adjustment device 12.

The lower illumination source 10 illuminates the upper surface of the LCD panel downwardly to make the upper surface of the LCD panel clear and bright, which facilitates the lower imaging transmission device 11 to acquire a clear image.

The lower photographing transmission device 11 photographs the upper surface of the LCD panel to obtain the upper surface panel information output to the main controller.

The top end of the lower photographing adjustment device 12 is movably connected to the lower photographing and transporting device 11, and the lower photographing and adjusting device 12 is for adjusting the photographing angle of the lower photographing and transporting device 11 to meet different photographing needs.

It should be noted that when the upper surface detecting mechanism operates, the upper surface of the LCD panel is placed under the illumination of the lower illumination source 10, and is also placed below the imaging lens of the lower imaging transmission device 11.

It should be noted that the lower illumination source 10 illuminates the upper surface of the LCD panel downwardly, so that the upper surface of the LCD panel is bright and clear, thereby enhancing the sharpness of the image information of the upper surface panel acquired by the lower photographing transmission device 11.

In addition, the lower photographing adjustment device 12 can adjust the photographing angle of view of the lower photographing and transporting device 11, so that the lower photographing and transporting device 11 can photograph the upper surface of the LCD panel at an accurate photographing position and angle, thereby enhancing the acquisition by the lower photographing and transporting device 11. The sharpness of the image information of the upper surface panel.

Further, referring to FIGS. 4 and 5, the lower photographing adjustment device 12 includes a lower photographing X-direction rotation adjuster 1202, a lower photographing Y-direction rotation adjuster 1203, and a lower photographing Z-direction rotation adjuster 1201.

The down-shooting X-direction rotation adjustment member 1202, the lower-shot Y-direction rotation adjustment member 1203, and the lower-shot Z-direction rotation adjustment member 1201 together constitute an angle adjustment device 120 that can perform rotation adjustment at any angle in three-dimensional space.

Referring to FIG. 5, the lower X-direction rotation adjustment member 1202 includes a first X knob 12021, a first X base 12020, and a first X turntable 12022.

The first X knob 12021 is disposed between the first X base 12020 and the first X turntable 12022. When the first X knob 12021 is adjusted, the first X turntable 12022 rotates in the X direction.

The lower Y-direction rotation adjustment member 1203 includes a first Y knob 12031, a first Y base 12030, and a first Y turntable 12032.

The first Y knob 12031 is disposed between the first Y base 12030 and the first Y turntable 12032. When the first Y knob 12031 is adjusted, the first Y turntable 12032 rotates in the Y direction.

The lower shooting Z-direction rotation adjustment member 1201 includes a first Z-knob 12011, a first Z-base (not shown), and a first Z-turn (not shown).

The first Z knob 12011 is disposed between the first Z base (not shown) and the first Z turntable (not shown). When the first Z knob 12011 is adjusted, the first Z turntable (not shown) rotates in the Z direction. .

Wherein, the first X turntable 12022 is fixed to the lower photographing transmission device 11, the first X base 12020 is fixed to the first Z turntable (not shown), and the first Z base (not shown) is fixed to the first Y turntable 12032.

It should be noted that the lower shooting X-direction rotation adjusting member 1202, the lower shooting Y-direction rotating adjusting member 1203, and the lower shooting Z-direction rotating adjusting member 1201 can realize the rotation adjustment of any angle in the three-dimensional space, thereby satisfying the needs in actual shooting. At any angle, thereby improving the sharpness of the image information of the upper surface panel acquired by the photographing transmission device 11.

Further, referring to FIG. 4 and FIG. 6, the lower photographing adjustment device 12 further includes a lower shooting Y-to-thousand-head adjusting slide 1210, a lower X-directing adjustment slide 1212, a lower Z-directed adjustment slide 1214, The Z-direction moving member is photographed, the Y-direction moving member is photographed, and the X-direction moving member is photographed.

The lower X-direction moving member, the lower Y-moving member, and the lower Z-moving member together form a coarse movement adjusting device 122 that can realize coarse movement adjustment at any position in the three-dimensional space, and the X-to-thousand-head adjustment is performed under the X-direction moving unit. The slide table 1212, the lower Y-to-thousand-head adjustment slide table 1210, and the lower-shooting Z-to-thousand-head adjustment slide table 1214 together constitute a precise movement adjustment device 121 that can realize precise movement adjustment at any position in the three-dimensional space.

Referring to FIGS. 5 and 6, the Y-to-thousand-head adjustment slide 1210 is fixed to the first Y-base 12030 and slidably coupled to one side of the first slide-connecting plate 1211.

The X-to-thousand-head adjustment slide 1212 is fixed to the other side of the first slide connecting plate 1211, and is slidably coupled to one side of the second slide connecting plate 1213.

The Z-to-thousand-head adjustment slide 1214 is fixed to the other side of the second slide connecting plate 1213, and is slidably coupled to one side of the third slide connecting plate (not shown), and the third slide connecting plate ( Not shown) fixed to the first connecting plate 1220.

The lower shooting Z-direction moving member includes a first Z-direction adjusting nut 1228, a first Z-direction adjusting screw 122c, a first Z-direction moving plate 1229, and a first Z-direction screw fixing seat 122b.

The first Z-direction adjustment screw 122c is coupled to the first Z-direction adjustment nut 1228 through the first Z-direction screw mount 122b.

The first Z-direction screw mount 122b is fixed to the first Z-direction limit plate 122a.

The first Z-direction adjusting nut 1228 and the first connecting plate 1220 are both fixedly coupled to the first Z-direction moving plate 1229.

The first Z-direction moving plate 1229 is slidably coupled to the first Z-direction limiting plate 122a.

The lower Y-moving member includes a first Y-direction adjusting nut 1221, a first Y-direction adjusting screw 1222, a first Y-direction moving plate 1227, a first Y-direction limiting plate 1224, and a first Y-direction screw fixing seat 1223.

The first Y-direction adjustment screw 1222 is coupled to the first Y-direction adjustment nut 1227 through the first Y-direction screw mount 1223.

The first Y-direction screw mount 1223 is fixed to the first Y-direction limit plate 1224.

The first Y-direction moving plate 1227 is fixed to the first Z-direction limiting plate 122a and is slidably coupled to the first Y-direction limiting plate 1224.

The lower X-ray moving member includes a first X bracket 1225, a first X-direction moving plate 1226, and a first X-direction chute (not shown). The two sides of the first X-bracket 1225 are respectively fixed to the first Y-direction limiting plate 1224 and the first X-direction moving plate 1226, and the first X-direction moving plate 1226 is slidably coupled to the first X-direction sliding groove (not shown).

It should be noted that the lower X-direction moving member, the lower Y-moving member, and the lower Z-moving member jointly realize coarse movement adjustment at any position in the three-dimensional space, and the X-to-thousand-head adjustment sliding table 1212 is photographed below. The Y-to-thousand-head adjustment slide 1210 and the Z-to-thousand-head adjustment slide 1214 are combined to realize precise movement adjustment at any position in the three-dimensional space.

Wherein, the coarse movement adjustment of the position ensures the adjustment speed of the shooting angle of view of the lower photographing transmission device 11, the precise movement adjustment accuracy of the position, and further satisfies the shooting position required in the actual shooting, thereby raising the upper surface acquired by the lower photographing transmission device 11. The clarity of the image information of the panel.

Specifically, referring to FIG. 7, the lower surface detecting mechanism includes an upper illumination light source 30, an upper imaging transmission device 31, and an upper imaging adjustment device 32.

The upper illumination source 30 illuminates the lower surface of the LCD panel.

The upper photographing transfer device 31 photographs the lower surface of the LCD panel to obtain the lower surface panel information output to the main controller.

The top of the upper photographing adjustment device 32 is movably connected to the upper photographing and transporting device 31, and the upper photographing and adjusting device 32 is for adjusting the photographing angle of view of the upper photographing and transporting device 31.

It should be noted that when the lower surface detecting mechanism operates, the lower surface of the LCD panel is placed above the illumination of the upper illumination source 30, and is also placed above the imaging lens of the upper imaging transmission device 31.

It should be noted that the upper illumination light source 30 emits upward illumination to the lower surface of the LCD panel, so that the lower surface of the LCD panel is bright and clear, thereby enhancing the sharpness of the image information of the lower surface panel acquired by the upper imaging transmission device 31.

Further, the upper photographing adjustment device 32 includes an upper photographing X-direction rotation adjuster, an upper photographing Y-direction rotation adjuster, and an upper photographing Z-direction rotation adjuster.

The upper X-ray rotation adjustment member includes a second X knob, a second X base, and a second X turntable.

The second X knob is disposed between the second X base and the second X turntable, and when the second X knob is adjusted, the second X turntable rotates in the X direction.

The upper Y-direction rotation adjustment member includes a second Y knob, a second Y base, and a second Y turntable.

The second Y knob is disposed between the second Y base and the second Y turntable. When the second Y knob is adjusted, the second Y turntable rotates in the Y direction.

The upper Z-direction rotation adjustment member includes a second Z knob, a second Z base, and a second Z turntable.

The second Z knob is disposed between the second Z base and the second Z turntable, and when the second Z knob is adjusted, the second Z turntable rotates in the Z direction.

The second X turntable is fixed to the upper photographing transmission device 31, the second X base is fixed to the second Z turntable, and the second Z base is fixed to the second Y turntable.

It should be noted that the upper X-axis rotation adjustment member, the upper Y-direction rotation adjustment member and the upper Z-direction rotation adjustment member realize the rotation adjustment at any angle in the three-dimensional space, thereby satisfying any angle required in actual shooting. Thereby, the sharpness of the image information of the lower surface panel acquired by the upper photographing transmission device 31 is improved.

It should be noted that, referring to FIG. 7 and FIG. 3, the structure of the upper photographing adjustment device 32 is the same as that of the lower photographing adjustment device 12, and will not be described herein.

Further, the upper photographing adjustment device 32 further includes an upper Y-to-thousand-head adjustment slide, an upper Z-directed adjustment slide, an upper Z-directed adjustment slide, an upper Z-movement, and an upper Y. Take the X-direction moving parts to the moving parts and above.

The upper Y-to-thousand-head adjustment slide is fixed to the second Y base and is slidably coupled to one side of the fourth slide connection plate.

The X-to-thousand-head adjustment slide is fixed to the other side of the fourth slide connecting plate, and is slidably coupled to one side of the fifth slide connecting plate.

The Z-to-thousand-head adjustment slide is fixed to the other side of the fifth slide connecting plate, and is slidably connected to one side of the sixth slide connecting plate, and the sixth slide connecting plate is fixed to the second connecting plate.

Shooting the Z-direction moving member, including the second Z-direction adjusting nut, the second Z-direction adjusting screw, the second Z-direction moving plate and the second Z-direction screw fixing seat, and the second Z-direction adjusting screw passing through the second Z-direction screw The fixing seat is connected with the second Z-direction adjusting nut, the second Z-direction screw fixing seat is fixed to the second Z-direction limiting plate, and the second Z-direction adjusting nut and the second connecting plate are both fixed and fixed with the second Z-direction moving plate. The second Z-direction moving plate is slidably connected to the second Z-direction limiting plate.

Shooting Y-moving member, including second Y-direction adjusting nut, second Y-direction adjusting screw, second Y-direction moving plate, second Y-direction limiting plate and second Y-direction screw fixing seat, second Y-direction adjustment The screw is connected to the second Y-direction adjusting nut through the second Y-direction screw fixing seat, the second Y-direction screw fixing seat is fixed to the second Y-direction limiting plate, the second Y-direction moving plate and the second Z-direction limiting plate Fixed and slidably connected to the second Y guide limiting plate.

The upper X-moving moving member includes a second X bracket, a second X-direction moving plate, and a second X-direction chute.

The two sides of the second X-bracket are respectively fixed to the second Y-direction limiting plate and the second X-direction moving plate, and the second X-direction moving plate is slidably connected to the second X-direction sliding groove.

It should be noted that the upper X-moving member, the upper Y-moving member, and the upper Z-moving member jointly achieve coarse movement adjustment at any position in the three-dimensional space, and the X-to-thousand-head adjustment slide is photographed thereon. Take the Y-to-thousand-head adjustment slide and the Z-to-thousand-head adjustment slide to achieve precise movement adjustment at any position in the three-dimensional space.

Wherein, the coarse movement adjustment of the position ensures the adjustment speed of the shooting angle of view of the upper shooting transmission device 31, the precise movement adjustment accuracy of the position, and further satisfies the shooting position required in the actual shooting, thereby improving the lower surface acquired by the upper shooting transmission device 31. The clarity of the image information of the panel.

It should be noted that, referring to FIG. 3-7, the structure of the upper photographing adjusting device 32 is consistent with the structure of the lower photographing adjusting device 12, and will not be described herein.

It should be understood that the expressions of the above embodiments: first, second, third, fourth, fifth, sixth, and seventh are for the purpose of distinguishing the names of the various components, and do not indicate the quantity or The order of the order. For example, the "first" in the first X knob in the X-direction rotation adjustment member and the "second" in the second X knob in the upper X-direction rotation adjustment member are taken down, only for the purpose of distinguishing the X-direction. Rotate the X knob in the adjustment member and the X knob in the X-direction rotation adjustment.

The AOI-based LCD panel detecting device obtained by the above embodiment is accurate and efficient in detection.

Among them, the LCD panel is automatically sucked from the feeding station to the upper surface loading platform 4 by the loading robot 2, and then quickly and accurately sent to the upper surface detecting station detection by a linear motor (not shown), thereby realizing the accurate and efficient LCD panel. transmission.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. Within the scope.

Industrial applicability

The invention has industrial applicability.

Claims

An AOI-based LCD panel detecting device for detecting an upper surface and a lower surface of an LCD panel, comprising: a console including a detecting station area and a transporting area, wherein the detecting station area is located in the transport One side of the material area, the inspection station area is provided with a feeding station, an upper surface detecting station, a transfer station and a lower surface detecting station, and the conveying area is provided with a conveying guide rail; The feeding station sucks an upper surface of the LCD panel to transfer the LCD panel; a linear motor including a stator and a mover, the stator being fixed between the feeding station and the transfer station The mover is slidably disposed on the stator; the upper surface transfer platform is fixed to the mover, and the LCD panel is attached to the upper surface detecting station; the upper surface AOI mechanism is disposed in the The upper surface detecting station performs AOI detection on the upper surface of the LCD panel from above the upper surface of the LCD panel; the relay robot is disposed at the transfer station, and transfers the LCD panel after the upper surface detection; a platform, disposed at the transfer station, The LCD panel is connected to the surface inspection; the transport robot slides on the transport rail, and the LCD panel that has passed the upper surface is transferred to the lower surface inspection station for inspection, and the LCD panel after the lower surface inspection is transferred. a lower surface AOI mechanism disposed at the lower surface detecting station to perform AOI detection on a lower surface of the LCD panel from below a lower surface of the LCD panel.
The AOI-based LCD panel detecting apparatus according to claim 1, wherein the console further comprises: a throwing station located at one side of the detecting station area; and a throwing line disposed at the The throwing station transfers the unqualified LCD panel on the upper surface and picks up the LCD panel with the lower surface.
The AOI-based LCD panel detecting apparatus according to claim 1, wherein the upper surface detecting mechanism comprises a lower illumination light source, and the lower surface is illuminated to illuminate the upper surface of the LCD panel; The upper surface of the LCD panel outputs the upper surface panel information to the main controller; the lower photographing adjustment device has a top end that is movably connected to the lower photographing transmission device to adjust a photographing angle of view of the lower photographing and transmitting device.
The AOI-based LCD panel detecting apparatus according to claim 1, wherein the lower surface detecting mechanism comprises: an upper illuminating light source that illuminates the lower surface of the LCD panel with an upward illuminating; The lower surface of the LCD panel is outputted to obtain the lower surface panel information output to the main controller; the upper photographing adjustment device has a top end that is movably connected to the upper photographing and transporting device to adjust a photographing angle of view of the upper photographing and transmitting device.
The AOI-based LCD panel detecting apparatus according to claim 3, wherein the lower photographing adjusting device comprises: a bottom shooting X-direction rotating adjusting member, comprising: a first X knob, a first X base, and a first X a first X knob disposed between the first X base and the first X turntable. When the first X knob is adjusted, the first X turntable rotates in the X direction; The rotation adjusting member includes: a first Y knob, a first Y base and a first Y turntable, wherein the first Y knob is disposed between the first Y base and the first Y turntable, and adjusts the first When the Y knob is used, the first Y turntable rotates in the Y direction; the lower Z direction rotates the adjustment member, including: a first Z knob, a first Z base, and a first Z turntable, wherein the first Z knob is disposed in the Between the first Z base and the first Z turntable, when the first Z knob is adjusted, the first Z turntable rotates in the Z direction; wherein the first X turntable is fixed to the lower photographing transmission device The first X base is fixed to the first Z turntable, and the first Z base is fixed to the first Y turntable.
The AOI-based LCD panel detecting device according to claim 5, wherein the lower photographing adjustment device further comprises: a lower Y-to-thousand-head adjustment slide, fixed to the first Y base, and One side of the sliding plate connecting plate is slidably connected; the lower X-axis adjusting head is fixed to the other side of the first sliding plate connecting plate, and is slidably connected to one side of the second sliding table connecting plate; Shooting a Z-to-thousand-head adjustment slide, fixed to the other side of the second slide connection plate, and slidably connected to one side of the third slide connection plate, the third slide connection plate and the first The connecting plate is fixed; the Z-moving member is photographed, and includes a first Z-direction adjusting nut, a first Z-direction adjusting screw, a first Z-direction moving plate and a first Z-direction screw fixing seat, wherein the first Z-direction adjusting screw is worn The first Z-direction screw fixing seat is connected to the first Z-direction adjusting nut, and the first Z-direction screw fixing seat is fixed to the first Z-direction limiting plate, the first Z-direction adjusting nut and the The first connecting plates are fixedly connected to the first Z-direction moving plate, and the first Z-direction moving plate and the The first Z-guide limiting plate is slidably connected; the lower Y-direction moving member includes a first Y-direction adjusting nut, a first Y-direction adjusting screw, a first Y-direction moving plate, a first Y-direction limiting plate and a first Y To the screw fixing seat, the first Y-direction adjusting screw is connected to the first Y-direction adjusting nut through the first Y-direction screw fixing seat, the first Y-direction screw fixing seat and the first Y guiding limit The first Y-direction moving plate is fixed to the first Z-direction limiting plate and is slidably connected to the first Y-direction limiting plate; the X-direction moving member is photographed, including the first X-bracket, the first X-direction a moving plate and a first X-direction chute, wherein two sides of the first X bracket are respectively fixed with the first Y-direction limiting plate and the first X-direction moving plate, and the first X-direction moving plate is The first X-direction chute is slidably connected.
The AOI-based LCD panel detecting device according to claim 4, wherein the upper photographing adjustment device comprises: an upper X-ray rotation adjusting member, comprising: a second X knob, a second X base, and a second X a turntable, the second X knob is disposed between the second X base and the second X turntable, and when the second X knob is adjusted, the second X turntable rotates in the X direction; The rotation adjusting member includes: a second Y knob, a second Y base and a second Y turntable, wherein the second Y knob is disposed between the second Y base and the second Y turntable, and adjusts the second When the Y knob is turned, the second Y turntable rotates in the Y direction; the upper Z direction rotation adjustment member includes: a second Z knob, a second Z base and a second Z turntable, wherein the second Z knob is disposed in the Between the second Z base and the second Z turntable, when the second Z knob is adjusted, the second Z turntable rotates in the Z direction; wherein the second X turntable is fixed to the upper photographing transmission device The second X base is fixed to the second Z turntable, and the second Z base is fixed to the second Y turntable.
The AOI-based LCD panel detecting apparatus according to claim 7, wherein the upper photographing adjusting device further comprises: an upper shooting Y-to-thousand-head adjusting slide, fixed to the second Y base, and One side of the four-slide connecting plate is slidably connected; the X-to-thousand-head adjusting slide is photographed on the upper side, and is fixed to the other side of the fourth sliding-plate connecting plate, and is slidably connected to one side of the fifth sliding-plate connecting plate; Shooting a Z-to-thousand-head adjustment slide, fixed to the other side of the fifth slide connection plate, and slidably connected to one side of the sixth slide connection plate, the sixth slide connection plate and the second The connecting plate is fixed; the Z-moving member is photographed thereon, and includes a second Z-direction adjusting nut, a second Z-direction adjusting screw, a second Z-direction moving plate and a second Z-direction screw fixing seat, wherein the second Z-direction adjusting screw is worn The second Z-direction screw fixing seat is connected to the second Z-direction adjusting nut, and the second Z-direction screw fixing seat is fixed to the second Z-direction limiting plate, the second Z-direction adjusting nut And the second connecting plate is connected and fixed to the second Z-direction moving plate, and the second Z-direction moving plate The second Z-guide limiting plate is slidably connected; the upper Y-moving member is photographed, and includes a second Y-direction adjusting nut, a second Y-direction adjusting screw, a second Y-direction moving plate, a second Y-direction limiting plate, and a a Y-direction screw fixing seat, wherein the second Y-direction adjusting screw is connected to the second Y-direction adjusting nut through the second Y-direction screw fixing seat, the second Y-direction screw fixing seat and the first The second Y-direction limiting plate is fixed, the second Y-direction moving plate is fixed to the second Z-direction limiting plate and is slidably connected to the second Y-direction limiting plate; and the X-direction moving member is photographed thereon, including the first a second X bracket, a second X-direction moving plate and a second X-direction sliding slot, wherein the two sides of the second X bracket are respectively fixed to the second Y-direction limiting plate and the second X-direction moving plate, respectively The second X-direction moving plate is slidably coupled to the second X-direction chute.