Opposite-pressing laminating device for backlight plate and liquid crystal panel

Abstract

The utility model discloses a counter-pressing and laminating device for a backlight plate and a liquid crystal panel, which is applied to laminating and assembling equipment and comprises a pre-pressing manipulator assembly, two laminating carrier assemblies, a pressure maintaining assembly, a BLU visual alignment assembly and an LCD visual alignment assembly, two pre-pressing manipulators corresponding to the press-fit carrying table assembly are arranged in the pre-pressing manipulator assembly, and two pressure maintaining units corresponding to the press-fit carrying table assembly are arranged in the pressure maintaining assembly. According to the opposite-pressing and laminating device, the positions of the pre-pressing manipulator assembly, the pressing carrying table assembly, the pressure maintaining assembly, the BLU visual alignment assembly and the LCD visual alignment assembly in the opposite-pressing and laminating device are reasonably arranged, and two laminating and assembling stations capable of working in parallel at the same time are formed in the opposite-pressing and laminating device; and the equipment standby time of the front-stage process is reduced, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to liquid crystal display screen manufacturing equipment technical field, concretely relates to a kind of for the pressing and bonding device of back light board and liquid crystal panel. BACKGROUND

[0002] In the production process of liquid crystal display screen, including the assembly process of back light board and liquid crystal panel, the process mainly includes back light board (BLU) feeding and film tearing, liquid crystal panel (LCD) feeding and film tearing, positioning and pressing and bonding etc. Process steps. At present, most of the equipment used in each process step in the process is manual or semi-automatic, which causes the assembly efficiency to be low, so integrating each process device in the process into a full-automatic assembly equipment is a trend to improve the assembly efficiency. In the full-automatic assembly equipment, the pressure maintaining process in the later stage needs a relatively long time, which leads to long standby time of the equipment in the former stage, and the production efficiency needs to be further improved. SUMMARY

[0003] Therefore, the utility model provides a kind of for the pressing and bonding device of back light board and liquid crystal panel, applied in assembly equipment, to solve how to improve the problem of production efficiency.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A kind of for the pressing and bonding device of back light board and liquid crystal panel, including pre-pressing mechanical hand assembly connected on rack support, two compression table assemblies and pressure maintaining component;

[0006] Two compression table assemblies are arranged in parallel in the second direction, each compression table assembly includes a first linear drive module and a compression table, the first linear drive module extends along the first direction, the compression table is movably connected to the first linear drive module, and the compression table is configured to receive the feeding of back light board at the first end of the first linear drive module and deliver the product after pressing and bonding to the second end of the first linear drive module.

[0007] The pre-pressing mechanical hand assembly includes a first gantry and two pre-pressing mechanical hands, the first end of the first gantry is erected on two compression table assemblies, the second end of the first gantry extends along the second direction, and the two pre-pressing mechanical hands are movably connected to the opposite sides of the first gantry;The pre-pressing mechanical hand is configured to grab the liquid crystal panel at the second end of the first gantry, move the liquid crystal panel to the upper side of the compression table assembly, and pre-press the liquid crystal panel on the back light board carried on the compression table;

[0008] The pressure maintaining assembly is arranged between the pre-pressing mechanical arm assembly and the second end of the first linear driving module, and comprises a second gantry and two pressure maintaining units, the second gantry is arranged across the two pressing platform assemblies and extends along the second direction, and the two pressure maintaining units are fixedly connected to the second gantry and arranged correspondingly to the two pressing platform assemblies.

[0009] The pressing device further comprises a BLU visual alignment assembly and an LCD visual alignment assembly, the BLU visual alignment assembly is arranged above the pressing platform assembly and between the first end of the first linear driving module and the pre-pressing mechanical arm assembly, and the LCD visual alignment assembly is arranged below the pre-pressing mechanical arm assembly and between the second end of the first gantry and the pressing platform assembly.

[0010] Preferably, the first direction is the length direction of the gantry platform, and the second direction is the width direction of the gantry platform.

[0011] Preferably, the pressing platform comprises a first support plate, a back pressure cylinder and a vacuum adsorption support table, the first support plate is movably connected to the first linear driving module, the back pressure cylinder is connected to the first support plate, and the vacuum adsorption support table is liftably connected to the back pressure cylinder.

[0012] Preferably, four back pressure cylinders are arranged on the first support plate, two of which are arranged opposite to each other in the first direction, and the other two are arranged opposite to each other in the second direction, and each back pressure cylinder is connected to the first support plate through a connecting assembly.

[0013] Preferably, the connecting assembly comprises two slide rails, a transverse connecting plate and a longitudinal connecting plate, the two slide rails are connected to the first support plate and arranged opposite to each other, the two ends of the transverse connecting plate are respectively connected to the two slide rails through a sliding block, the sliding block is provided with a locking member, the longitudinal connecting plate is connected to the transverse connecting plate, and the back pressure cylinder is connected to the inner side of the longitudinal connecting plate.

[0014] Preferably, the pre-pressing mechanical arm comprises a second linear driving module, a first lifting driving mechanism and a vacuum adsorption disc, the second linear driving module is connected to the side of the first gantry and extends from the first end to the second end of the first gantry, the first lifting driving mechanism is movably connected to the second linear driving module, and the vacuum adsorption disc is liftably connected to the first lifting driving mechanism.

[0015] In the preferred solution, the pressure maintaining unit comprises a second lifting driving mechanism and a pressure maintaining upper platform, the second lifting driving mechanism is fixedly connected to the second gantry, and the pressure maintaining upper platform is liftably connected to the second lifting driving mechanism.

[0016] In the preferred solution, the BLU visual alignment assembly comprises a first support frame horizontally arranged on the two compression bench assembly, the first support frame is provided with a first double-mover linear driving mechanism extending along the second direction, two first CCD cameras with downward facing lenses are movably connected to the first double-mover linear driving mechanism, and the two first CCD cameras are arranged in one-to-one correspondence with the compression benches in the two compression bench assemblies.

[0017] In the preferred solution, the LCD visual alignment assembly comprises a second support frame arranged below the pre-compression manipulator assembly and connected to the rack bench, the second support frame is provided with a second double-mover linear driving mechanism extending along the first direction, two second CCD cameras with upward facing lenses are movably connected to the second double-mover linear driving mechanism, and the two second CCD cameras are arranged in one-to-one correspondence with the two pre-compression manipulators in the pre-compression manipulator assembly.

[0018] The backlight panel and liquid crystal panel pressing and bonding device provided by the embodiment of the utility model is applied to the bonding and assembling equipment, the positions of the pre-compression manipulator assembly, the compression bench assembly, the pressure maintaining assembly, the BLU visual alignment assembly and the LCD visual alignment assembly in the pressing and bonding device are arranged reasonably, two bonding and assembling stations which can simultaneously and parallelly work are formed in the pressing and bonding device, the standby time of the equipment in the previous process is reduced, and the production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the top view structural diagram of the pressing and bonding device and the assembling equipment in the embodiment of the utility model;

[0020] Figure 2 is the perspective view of the pressing and bonding device and the assembling equipment as Figure 1

[0021] Figure 3 is another perspective view of the pressing and bonding device and the assembling equipment as Figure 1

[0022] Figure 4 is the structural schematic view of the pre-compression manipulator assembly in the embodiment of the utility model;

[0023] Figure 5 is the structural schematic view of the compression bench assembly in the embodiment of the utility model;

[0024] ​​Figure 6 is a structure schematic view of the compression platform in the embodiment of the utility model;

[0025] Figure 7 is a structure schematic view of the pressure maintaining assembly in the embodiment of the utility model;

[0026] Figure 8 is a structure schematic view of the BLU visual alignment assembly in the embodiment of the utility model;

[0027] Figure 9 is a structure schematic view of the LCD visual alignment assembly in the embodiment of the utility model;

[0028] Figure 10 is a structure schematic view of the BLU film tearing mechanical hand assembly in the embodiment of the utility model. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the utility model more clear, the specific implementation of the utility model is described in detail below with reference to the drawings. The examples of these preferred implementations are illustrated in the drawings. The embodiments of the utility model shown in the drawings and described according to the drawings are merely exemplary, and the utility model is not limited to these embodiments.

[0030] It should be noted that the same or similar numerals in the drawings of the embodiments of the utility model correspond to the same or similar components; in the description of the utility model, it should be understood that if the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right" and the like are based on the orientations or positional relationships shown in the drawings, they are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing the positional relationships in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the patent, for those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0031] Here, it should also be noted that in order to avoid obscuring the utility model due to unnecessary details, only the structures and / or processing steps closely related to the scheme according to the utility model are shown in the drawings, and other details not closely related to the utility model are omitted.

[0032] The embodiment of the utility model provides a kind of for the alignment and compression of backlight plate and liquid crystal panel, also provides a kind of assembly equipment comprising the alignment and compression of this.

[0033] Referring to Figures 1 to 10The assembling device in the embodiment mainly comprises a rack carrier 100, a BLU feeding device 1, an LCD feeding device 2, a BLU film tearing device 3, an LCD film tearing assembly 4, a pressing and laminating device 5 and a discharging device 6 connected to the rack carrier 100.

[0034] As shown in Figures 1 to 3 , the BLU feeding device 1 and the LCD feeding device 2 are located at the first end of the rack carrier 100, and the discharging device 6 is located at the second end of the rack carrier 100. The BLU feeding device 1, the BLU film tearing device 3, the pressing and laminating device 5 and the discharging device 6 are sequentially arranged in the first direction (the length direction of the rack carrier 100) on the rack carrier 100, the LCD feeding device 2 and the BLU feeding device 1 are arranged in the second direction (the width direction of the rack carrier 100) and are spaced apart from each other, and the LCD film tearing assembly 4 is located between the LCD feeding device 2 and the pressing and laminating device 5. The BLU feeding device 1 is used for feeding the backlight plate and sending it to the BLU film tearing device 3, the BLU film tearing device 3 is used for tearing the film of the backlight plate and sending it to the pressing and laminating device 5. The LCD feeding device 2 is used for feeding the liquid crystal panel and sending it to the pressing and laminating device 5, and the pressing and laminating device 5 tears the film of the liquid crystal panel by the LCD film tearing assembly 4 after receiving the liquid crystal display panel from the LCD feeding device 2. The pressing and laminating device 5 sequentially positions, pre-presses and press-bonds the backlight plate and the liquid crystal panel after film tearing, and sends the product after laminating and assembling to the discharging device 6 for discharging the finished product.

[0035] Based on the assembling device provided above, the feeding, film tearing and positioning device of the backlight plate, the feeding, film tearing and positioning device of the liquid crystal panel, and the alignment and laminating device of the backlight plate and the liquid crystal panel are integrated into an assembling device. From the feeding, film tearing and laminating of the backlight plate and the liquid crystal panel to the output of the finished product, all are automatically performed, which improves the production efficiency.

[0036] Because the pressure holding process in the later stage needs a relatively long time, the standby time of the device in the earlier stage is long, and the production efficiency needs to be further improved. In view of this problem, the pressing and laminating device 5 is provided in the embodiment, as shown in Figures 1 to 3 , the pressing and laminating device 5 mainly comprises a pre-pressing mechanical hand assembly 51, two pressure holding carrier assemblies 52 and a pressure holding assembly 53, and further comprises a BLU visual alignment assembly 54 and an LCD visual alignment assembly 55.

[0037] The two pressing table assemblies 52 are arranged in parallel and spaced apart from each other in the second direction. Each of the pressing table assemblies 52 comprises a first linear driving module 52a and a pressing table 52b. The first linear driving module 52a extends in the first direction. The pressing table 52b is movably connected to the first linear driving module 52a. In the embodiment, the first end of the first linear driving module 52a is connected to the BLU film tearing device 3. The second end of the first linear driving module 52a is connected to the feeding device 6. The pressing table 52b is configured to receive the backlight panel after film tearing at the first end of the first linear driving module 52a, and deliver the product after pressing and pasting to the second end of the first linear driving module 52a, i.e., to the feeding device 6.

[0038] The pre-pressing robot assembly 51 comprises a first gantry 51a and two pre-pressing robots 51b. The first end of the first gantry 51a is horizontally arranged on the two pressing table assemblies 52. The second end of the first gantry 51a extends in the second direction. The two pre-pressing robots 51b are movably connected to the opposite sides of the first gantry 51a. In the embodiment, the second end of the first gantry 51a extends above the LCD feeding device 2 in the second direction. The pre-pressing robots 51b are configured to grab the liquid crystal panel from the LCD feeding device 2 at the second end of the first gantry 51a, move the liquid crystal panel above the pressing table assemblies 52, and pre-press and paste the liquid crystal panel on the backlight panel carried by the pressing table 52b.

[0039] The pressure maintaining assembly 53 is arranged between the pre-pressing robot assembly 51 and the second end of the first linear driving module 52a. Specifically, the pressure maintaining assembly 53 comprises a second gantry 53a and two pressure maintaining units 53b. The second gantry 53a is horizontally arranged on the two pressing table assemblies 52 at one end close to the feeding device 6 and extends in the second direction. The two pressure maintaining units 53b are fixedly connected to the second gantry 53a on the side facing the pre-pressing robot assembly 51 and are arranged in one-to-one correspondence with the two pressing table assemblies 52.

[0040] The BLU visual alignment assembly 54 is arranged above the pressing platform assembly 52 and between the BLU film tearing device 3 and the pre-pressing manipulator assembly 51, specifically between the first end of the first linear driving module 52a and the pre-pressing manipulator assembly 51. The LCD visual alignment assembly 55 is arranged below the pre-pressing manipulator 51 and between the LCD feeding device 2 and the pressing platform assembly 52, specifically between the second end of the first gantry 51a and the pressing platform assembly 52.

[0041] In the assembling device provided by the embodiment, the LCD film tearing assembly 4 is arranged below the pre-pressing manipulator assembly 51 and between the LCD feeding device 2 and the LCD visual alignment assembly 55.

[0042] The pressing and bonding device 5 as described above comprises:

[0043] The two pressing platform assemblies 52 can be independently driven. The first linear driving module 52a can drive the pressing platform 52b to reciprocate between the BLU film tearing device 3 and the discharging device 6. First, the pressing platform 52b moves to one end of the BLU film tearing device 3 to receive the backlight panel after film tearing, and then moves the backlight panel below the BLU visual alignment assembly 54, which positions the backlight panel from above. After positioning, the pressing platform 52b continues to move the backlight panel below the pre-pressing manipulator assembly 51.

[0044] The two pre-pressing manipulators 51b in the pre-pressing manipulator assembly 51 can be independently driven. First, the pre-pressing manipulator 51b grabs the liquid crystal panel from the LCD feeding device 2 and moves it above the LCD film tearing assembly 4, which tears the film from below. After film tearing, the liquid crystal panel is moved above the LCD visual alignment assembly 55, which positions the liquid crystal panel from below. After positioning, the pre-pressing manipulator 51b moves the liquid crystal panel above the pressing platform 52b.

[0045] According to the positioning information of the backlight panel acquired by the BLU visual alignment assembly 54 and the positioning information of the liquid crystal panel acquired by the LCD visual alignment assembly 55, the moving positions of the lamination stage 52b and the pre-pressing manipulator 51b are controlled so that the backlight panel and the liquid crystal panel are accurately aligned. After the alignment is completed, the liquid crystal panel is pre-pressed and laminated onto the backlight panel in the lamination stage 52b by the pre-pressing manipulator 51b. After the pre-pressing and lamination is completed, the lamination stage 52b moves the pre-pressing and lamination product to the lower side of the pressure maintaining assembly 53, and controls the corresponding pressure maintaining unit 53b in the pressure maintaining assembly 53 to press down, so as to maintain the pressure of the pre-pressing and lamination backlight panel and liquid crystal panel.

[0046] After the pressure maintaining is completed, the assembly of the backlight panel and the liquid crystal panel is completed, and the lamination stage 52b moves the assembled product to the unloading unit 6 for unloading.

[0047] The lamination assembly device 5 described above comprises two lamination stages 52b, two pre-pressing manipulators 51b and two pressure maintaining units 53b which can be independently driven respectively, so as to form two lamination assembly stations which can operate simultaneously and in parallel, thereby improving the production efficiency of the lamination assembly.

[0048] In this embodiment, referring to Figure 4 , the pre-pressing manipulator 51b comprises a second linear driving module 511, a first lifting driving mechanism 512 and a vacuum suction plate 513. The second linear driving module 511 is connected to the side of the first gantry 51a and extends from the first end to the second end of the first gantry 51a. The first lifting driving mechanism 512 is movably connected to the second linear driving module 511. The vacuum suction plate 513 is connected to the first lifting driving mechanism 512 in a lifting manner. The first end of the first gantry 51a is horizontally arranged on the two lamination stage assemblies 52. The second end of the first gantry 51a extends to the upper side of the LCD feeding device 2. The second linear driving module 511 drives the first lifting driving mechanism 512 to drive the vacuum suction plate 513 to move between the first end and the second end of the first gantry 51a. The first lifting driving mechanism 512 drives the vacuum suction plate 513 to rise or fall.

[0049] In this embodiment, referring to Figure 5 and Figure 6 , the lamination stage 52b comprises a first support plate 521, a back pressure cylinder 522 and a vacuum suction support table 523. The first support plate 521 is movably connected to the first linear driving module 52a. The back pressure cylinder 522 is connected to the first support plate 521. The vacuum suction support table 523 is connected to the back pressure cylinder 522 in a lifting manner.

[0050] As a preferred scheme, in the embodiment, the first support plate 521 is provided with four back pressure cylinders 522, two of which are oppositely arranged in the first direction, and the other two are oppositely arranged in the second direction. Each back pressure cylinder 522 is connected to the first support plate 521 by a connecting assembly 524.

[0051] In the embodiment, the connecting assembly 524 includes two slide rails 5241, a transverse connecting plate 5242 and a longitudinal connecting plate 5243. The two slide rails 5241 are connected to the first support plate 521 and oppositely arranged. The two ends of the transverse connecting plate 5242 are respectively connected to the two slide rails 5241 by a sliding block 5244. The sliding block 5244 is provided with a locking piece 5245. The longitudinal connecting plate 5243 is connected to the transverse connecting plate 5242. The back pressure cylinder 522 is connected to the inner side of the longitudinal connecting plate 5243.

[0052] In the embodiment, referring to Figure 7 , the pressure maintaining unit 53b includes a second lifting driving mechanism 531 and a pressure maintaining upper platform 532. The second lifting driving mechanism 531 is fixedly connected to the second gantry 53a. The pressure maintaining upper platform 532 is connected to the second lifting driving mechanism 531 in a lifting manner. The second lifting driving mechanism 531 drives the pressure maintaining upper platform 532 to rise or fall.

[0053] In the embodiment, referring to Figure 8 , the BLU visual alignment assembly 54 includes a first support frame 541 which is arranged across the two compression stage assemblies 52. The first support frame 541 is provided with a first double-mover linear driving mechanism 542 extending in the second direction. The first double-mover linear driving mechanism 542 is movably connected with two first CCD cameras 543 with lens facing downward. Two first CCD cameras 543 are correspondingly arranged with the two compression stage assemblies 52, and the first CCD cameras 543 acquire the positioning information of the backlight panel on the compression stage 52b.

[0054] In the embodiment, referring to Figure 9The LCD visual alignment assembly 55 includes a second support frame 551 arranged below the pre-pressing robot assembly 51 and connected to the rack platform 100, the second support frame 551 is provided with a second double-mover linear drive mechanism 552 extending along the first direction, and two second CCD cameras 553 with lens facing upwards are movably connected to the second double-mover linear drive mechanism 552, the two second CCD cameras 553 are arranged in one-to-one correspondence with the two pre-pressing robots 51b in the pre-pressing robot assembly 51, and the positioning information of the liquid crystal panel on the pre-pressing robot 51b is acquired by the second CCD camera 553.

[0055] In the embodiment, referring to Figures 1 to 3 and Figure 10 The BLU film tearing device 3 includes a BLU film tearing robot assembly 31 and two BLU film tearing platform assemblies 32, and the two BLU film tearing platform assemblies 32 are arranged in parallel and spaced apart from each other in the second direction.

[0056] Each of the BLU film tearing platform assemblies 32 includes a third linear drive module 321 and a BLU film tearing platform 322, the third linear drive module 321 is connected between the BLU feeding device 1 and the pair-press laminating device 5 along the first direction, and the BLU film tearing platform 322 is movably connected to the third linear drive module 321. The BLU film tearing robot assembly 31 includes a third gantry 311 and two BLU film tearing robots 312, the third gantry 311 is arranged across the two BLU film tearing platform assemblies 32 in the second direction, and the two BLU film tearing robots 312 are movably connected to opposite sides of the third gantry 311.

[0057] The BLU film tearing device 3 described above:

[0058] The two BLU film tearing platform assemblies 32 can be independently driven, and the third linear drive module 321 in each of the BLU film tearing platform assemblies 32 can drive the BLU film tearing platform 322 to reciprocate between the BLU feeding device 1 and the pair-press laminating device 5. First, the BLU film tearing platform 322 moves to one end of the BLU feeding device 1 to receive a backlight panel fed from the BLU feeding device 1 without film tearing, then moves the backlight panel to below the BLU film tearing robot assembly 31, and the BLU film tearing robot assembly 31 tears the film of the backlight panel from above, and then the BLU film tearing platform 322 moves the backlight panel to the other end of the pair-press laminating device 5.

[0059] Two BLU film tearing robots 312 in the BLU film tearing robot assembly 31 can be independently driven, and when the BLU film tearing stage 322 moves the backlight plate under the BLU film tearing robot assembly 31, the corresponding BLU film tearing robot 312 tears the film from above. The BLU film tearing robot 312 can use the existing film tearing robot with a tearable sticker mechanism.

[0060] In this embodiment, the LCD film tearing assembly 4 can use the existing film tearing robot with a tearable sticker mechanism.

[0061] In this embodiment, referring to Figures 1 to 3 , a first BLU transfer unit 7a is arranged between the BLU feeding device 1 and the BLU film tearing device 3, and a second BLU transfer unit 7b is arranged between the BLU film tearing device 3 and the pressing and bonding device 5.

[0062] In this embodiment, referring to Figures 1 to 3 , the LCD feeding device 2 comprises an LCD feeding unit 21, a first LCD transfer unit 22a, a first LCD transfer unit 23a, a second LCD transfer unit 22b and a second LCD transfer unit 23b connected in sequence.

[0063] In this embodiment, referring to Figures 1 to 3 , the unloading device 6 comprises an unloading robot 61, and the sixth linear drive module 62 is connected to the side of the second gantry 53a away from the pre-pressing robot assembly 51, the sixth linear drive module 62 extends along the second direction, and the unloading robot 61 is movably connected to the sixth linear drive module 62. Further, the unloading device 6 further comprises an AOI detection mechanism 63 arranged below the moving line of the unloading robot 61, a qualified product output mechanism 64 and an unqualified product output mechanism 65. After the pressing stage 52b in the pressing and bonding device 5 moves the assembled product to the unloading unit 6, the unloading robot 61 grabs the assembled product, first moves it to the AOI detection mechanism 63 for detection, and confirms the quality of the assembly: if it is a good product, the assembled product is sent to the qualified product output mechanism 64 for output, if it is a bad product, the assembled product is sent to the unqualified product output mechanism 65 for output.

[0064] The pressing and bonding device 5 and the assembly equipment comprising the same provided in the above embodiment are used for the process of pressing and bonding assembly work of the backlight plate and the liquid crystal panel, which comprises the following steps:

[0065] S11, the BLU loading device 1 sequentially receives the loading of the first backlight plate and the second backlight plate and moves to the first BLU transfer unit 7a, and the first BLU transfer unit 7a sequentially transfers the first backlight plate and the second backlight plate to the BLU film tearing device 3.

[0066] S12, the BLU film tearing stages 322 in the two BLU film tearing stage assemblies 32 are driven respectively to move the first backlight plate and the second backlight plate to the lower side of the BLU film tearing manipulator assembly 31, and the two BLU film tearing manipulators 312 in the BLU film tearing manipulator assembly 31 tear the film of the first backlight plate and the second backlight plate respectively.

[0067] S13, after the film tearing is completed, the two BLU film tearing stages 322 are driven respectively to move the first backlight plate and the second backlight plate after the film tearing to the second BLU transfer unit 7b, and the second BLU transfer unit 7b transfers the first backlight plate and the second backlight plate to the compression bonding device 5 respectively. Specifically, the second BLU transfer unit 7b transfers the first backlight plate to the compression stage 52b of one of the compression stage assemblies 52, and transfers the second backlight plate to the compression stage 52b of the other compression stage assembly 52.

[0068] S14, one of the compression stages 52b is driven to move the first backlight plate to the lower side of the BLU visual alignment assembly 54, the positioning information of the first backlight plate is acquired by the BLU visual alignment assembly 54, and then the first backlight plate is moved to the lower side of the pre-pressing manipulator assembly 51, and waits for pre-pressing;

[0069] The other compression stage 52b is driven to move the second backlight plate to the lower side of the BLU visual alignment assembly 54, the positioning information of the second backlight plate is acquired by the BLU visual alignment assembly 54, and then the second backlight plate is moved to the lower side of the first end of the pre-pressing manipulator assembly 51, and waits for pre-pressing.

[0070] S21, the LCD loading device 2 sequentially receives the loading of the first liquid crystal panel and the second liquid crystal panel, which are sequentially moved to the lower side of the second end of the pre-pressing manipulator assembly 51 via the first LCD transfer unit 22a, the first LCD moving unit 23a, the second LCD transfer unit 22b and the second LCD moving unit 23b.

[0071] S22, drive one of the pre-pressing manipulators 51b of the pre-pressing manipulator assembly 51 to grab the first liquid crystal panel, first move the first liquid crystal panel above the LCD film tearing assembly 4, tear the film of the first liquid crystal panel by the LCD film tearing assembly 4, then move the first liquid crystal panel after film tearing above the LCD visual alignment assembly 55, obtain the positioning information of the first liquid crystal panel by the LCD visual alignment assembly 55, and then move the first liquid crystal panel above one of the pressing platforms 52b to wait for pre-pressing;

[0072] Drive another pre-pressing manipulator 51b of the pre-pressing manipulator assembly 51 to grab the second liquid crystal panel, first move the second liquid crystal panel above the LCD film tearing assembly 4, tear the film of the second liquid crystal panel by the LCD film tearing assembly 4, then move the second liquid crystal panel after film tearing above the LCD visual alignment assembly 55, obtain the positioning information of the second liquid crystal panel by the LCD visual alignment assembly 55, and then move the second liquid crystal panel above another pressing platform 52b to wait for pre-pressing.

[0073] S3, according to the positioning information of the first backlight panel obtained by the BLU visual alignment assembly 54 and the positioning information of the first liquid crystal panel obtained by the LCD visual alignment assembly 55, control the moving positions of one of the pre-pressing manipulators 51b and one of the pressing platforms 52b, so that the first backlight panel and the first liquid crystal panel are accurately aligned, and after the alignment is completed, the first liquid crystal panel is pre-pressed and attached to the first backlight panel in one of the pressing platforms 52b by one of the pre-pressing manipulators 51b, to obtain a first pre-pressing and attaching product;

[0074] According to the positioning information of the second backlight panel obtained by the BLU visual alignment assembly 54 and the positioning information of the second liquid crystal panel obtained by the LCD visual alignment assembly 55, control the moving positions of the other pre-pressing manipulator 51b and the other pressing platform 52b, so that the second backlight panel and the second liquid crystal panel are accurately aligned, and after the alignment is completed, the second liquid crystal panel is pre-pressed and attached to the second backlight panel in the other pressing platform 52b by the other pre-pressing manipulator 51b, to obtain a second pre-pressing and attaching product.

[0075] S4, drive one of the pressing platforms 52b to move the first pre-pressing and attaching product below the pressure maintaining assembly 53, control one of the pressure maintaining units 53b to press down, and maintain the pressure of the first pre-pressing and attaching product, and after the pressure maintaining is completed, obtain a first assembled product and move it to the unloading unit 6;

[0076] The other pressing platform 52b is driven to move the second pre-pressing product to below the pressure maintaining assembly 53, and the other pressure maintaining unit 53b is controlled to press down to maintain the pressure of the second pre-pressing product, and the second assembled product is obtained after the pressure maintaining is completed and is moved to the unloading unit 6.

[0077] S5, the unloading manipulator 61 in the unloading unit 6 is driven to grab the assembled product (the first assembled product or the second assembled product), and is moved to the AOI detection mechanism 63 for detection, and the quality of the assembled product is confirmed: if the assembled product is a good product, the assembled product is sent to the qualified product output mechanism 64 for output; if the assembled product is a bad product, the assembled product is sent to the unqualified product output mechanism 65 for output.

[0078] As described above, the pressing and bonding device and the assembling equipment comprising the same provided by the above embodiment first integrate the backlight panel feeding, film tearing and positioning device, the liquid crystal panel feeding, film tearing and positioning device, and the backlight panel and liquid crystal panel aligning and bonding device into an integrated assembling equipment, and the feeding, film tearing, bonding of the backlight panel and liquid crystal panel, and the output of the finished product are all realized automatically, thereby improving the production efficiency. In addition, by reasonably arranging the positions of the devices, two bonding assembling stations that can simultaneously and in parallel work are formed in the assembling equipment, thereby further improving the production efficiency.

[0079] The above is only a specific embodiment of the present application, and it should be noted that, for those skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A device for lamination of a backlight panel and a liquid crystal panel, characterized by comprising: The pre-pressing robot assembly connected to the rack carrier, two pressing carrier assemblies and the pressure maintaining assembly; The two pressing carrier assemblies are arranged in parallel and spaced apart in the second direction, each of the pressing carrier assemblies comprises a first linear drive module and a pressing carrier, the first linear drive module extends in the first direction, the pressing carrier is movably connected to the first linear drive module, and the pressing carrier is configured to receive the backlight panel at the first end of the first linear drive module and deliver the product after pressing and bonding to the second end of the first linear drive module. The pre-pressing robot assembly comprises a first gantry and two pre-pressing robots, the first end of the first gantry is horizontally arranged on the two pressing carrier assemblies, the second end of the first gantry extends in the second direction, and the two pre-pressing robots are movably connected to the opposite sides of the first gantry; the pre-pressing robot is configured to grab the liquid crystal panel at the second end of the first gantry, move the liquid crystal panel above the pressing carrier assembly, and press and bond the liquid crystal panel on the backlight panel carried on the pressing carrier; The pressure maintaining assembly is arranged between the pre-pressing robot assembly and the second end of the first linear drive module, the pressure maintaining assembly comprises a second gantry and two pressure maintaining units, the second gantry is horizontally arranged on the two pressing carrier assemblies and extends in the second direction, and the two pressure maintaining units are fixedly connected to the second gantry and arranged one by one corresponding to the two pressing carrier assemblies. The pressing and bonding device further comprises a BLU visual alignment assembly and an LCD visual alignment assembly, the BLU visual alignment assembly is arranged above the pressing carrier assembly between the first end of the first linear drive module and the pre-pressing robot assembly, and the LCD visual alignment assembly is arranged below the pre-pressing robot assembly between the second end of the first gantry and the pressing carrier assembly. The first direction is the length direction of the rack carrier, and the second direction is the width direction of the rack carrier.

2. The compression bonding apparatus of claim 1, wherein The pressing carrier comprises a first support plate, a back pressure cylinder and a vacuum adsorption support table, the first support plate is movably connected to the first linear drive module, the back pressure cylinder is connected to the first support plate, and the vacuum adsorption support table is connected to the back pressure cylinder in a lifting manner.

3. The compression bonding apparatus of claim 2, wherein Four back pressure cylinders are arranged on the first support plate, two of which are arranged opposite to each other in the first direction, and the other two are arranged opposite to each other in the second direction, and each back pressure cylinder is connected to the first support plate through a connecting assembly.

4. The matched press bonding apparatus according to claim 3, characterized by The connecting assembly comprises two slide rails, a transverse connecting plate and a longitudinal connecting plate, the two slide rails are connected to the first support plate and arranged opposite to each other, the two ends of the transverse connecting plate are connected to the two slide rails through a sliding block, the sliding block is provided with a locking piece, the longitudinal connecting plate is connected to the transverse connecting plate, and the back pressure cylinder is connected to the inner side of the longitudinal connecting plate.

5. The compression bonding apparatus of claim 1, wherein The pre-pressing manipulator comprises a second linear drive module, a first lifting drive mechanism and a vacuum suction plate, the second linear drive module is connected to the side of the first gantry and extends from the first end to the second end of the first gantry, the first lifting drive mechanism is movably connected to the second linear drive module, and the vacuum suction plate is liftably connected to the first lifting drive mechanism.

6. The compression bonding apparatus of claim 1, wherein The pressure maintaining unit comprises a second lifting drive mechanism and a pressure maintaining upper platform, the second lifting drive mechanism is fixedly connected to the second gantry, and the pressure maintaining upper platform is liftably connected to the second lifting drive mechanism.

7. The compression bonding apparatus of claim 1, wherein The BLU visual alignment assembly comprises a first support frame horizontally arranged on the two pressing stage assemblies, the first support frame is provided with a first double-mover linear drive mechanism extending along the second direction, two first CCD cameras with downward lenses are movably connected to the first double-mover linear drive mechanism, and the two first CCD cameras are arranged in one-to-one correspondence with the pressing stages in the two pressing stage assemblies.

8. The compression bonding apparatus of claim 1, wherein The LCD visual alignment assembly comprises a second support frame arranged below the pre-pressing manipulator assembly and connected to the rack stage, the second support frame is provided with a second double-mover linear drive mechanism extending along the first direction, two second CCD cameras with upward lenses are movably connected to the second double-mover linear drive mechanism, and the two second CCD cameras are arranged in one-to-one correspondence with the two pre-pressing manipulators in the pre-pressing manipulator assembly.

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