CN216137555U - Gluing equipment for backlight module - Google Patents

Abstract

The utility model relates to a gluing device of a backlight module, which comprises a first conveying device and a second conveying device which are sequentially connected, wherein the first conveying device is provided with a first gluing device, and the second conveying device is provided with a gluing detection device; the first conveying device and the second conveying device are both conveying structures, and each conveying structure comprises a rack, a conveying belt assembly, a lifting positioning assembly and a side positioning assembly; the first gluing device comprises a first gluing assembly, a first CCD visual assembly and a first moving device for controlling the spatial positions of the first gluing assembly and the first CCD visual assembly, and the first moving device is erected at the upper part of the rack; the gluing detection device comprises a CCD gluing detection assembly used for obtaining a gluing image of the backlight module. The utility model has simple integral structure and strong reliability, and can provide reliable and stable gluing operation and gluing detection operation for the backlight module.

Description

Gluing equipment for backlight module

Technical Field

The utility model relates to the technical field of screen fitting processing, in particular to gluing equipment for a backlight module.

Background

At present, in the assembly process of display devices such as a television set module, a display module (i.e., a display screen) needs to be attached to a middle frame of a backlight module. In prior art, the display screen is through artifical transport and artifical laminating on backlight unit, however along with the development of era, display device's size is bigger and bigger, and the degree of difficulty of artifical transport display screen increases, also is more and more difficult to control the laminating position of display screen through the mode of artifical laminating display screen on backlight unit. Therefore, an automatic device for attaching a display screen to a backlight module is needed.

In the prior art, if the publication number CN110685983A is the chinese patent application, it discloses a screen attaching device and a screen attaching method, for attaching a display screen to a backlight module, the screen attaching device specifically includes: a bonding station and a manipulator clamp; the backlight module is positioned and fixed by the attaching station; the manipulator clamp grabs and moves the display screen to the fitting station; the vision device located in the laminating station collects images of the backlight module and the display screen to calculate the position difference, and the manipulator clamp moves the display screen to enable the position difference to be within the range of a preset value and laminates the display screen on the backlight module. This screen laminating equipment that prior art provided snatchs and removes the display screen through mechanical hand anchor clamps, has avoided artifical transport display screen to easily cause the damaged problem of display screen, and mechanical hand anchor clamps move the display screen according to the position difference that vision device gathered, makes the accurate laminating of display screen on backlight unit, has realized the automatic laminating on display screen and backlight unit, ensures the laminating precision of display screen laminating on backlight unit.

Although the prior art mentioned above discloses an automatic gluing part in the gluing process of the display module and the backlight module, in addition to moving the display module to the backlight module for precise alignment and then gluing in the gluing process, the backlight module is also processed before the gluing process, the gluing of the display module and the backlight module is performed by using viscose glue for gluing, gluing and fixing, and the current gluing of the backlight module adopts a manual gluing mode, but the degree of automation is low, the gluing quality cannot be guaranteed, and then the automatic gluing of the backlight module occurs, but the phenomenon of glue overflow easily occurs in the automatic gluing.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the present invention is to provide a gluing apparatus for a backlight module, which is directed to the above-mentioned deficiencies of the prior art.

The embodiment of the utility model provides gluing equipment for a backlight module, which comprises a first conveying device and a second conveying device which are sequentially connected along a conveying direction, wherein the first conveying device is provided with a first gluing device, and the second conveying device is provided with a gluing detection device; the first conveying device and the second conveying device are both of conveying structures, and each conveying structure comprises a rack, a conveying belt component erected in the middle of the rack and configured along the conveying direction, a lifting positioning component erected at the lower part of the rack and side positioning components configured on two sides of the conveying belt component; the first gluing device comprises a first gluing assembly, a first CCD visual assembly and a first moving device for controlling the spatial positions of the first gluing assembly and the first CCD visual assembly, and the first moving device is erected at the upper part of the rack; the gluing detection device comprises a CCD gluing detection assembly used for obtaining a gluing image of the backlight module.

In some embodiments, a third conveying device is further arranged between the first conveying device and the second conveying device, and is provided with a second gluing device, wherein the first gluing device is used for gluing a first part of area to be glued of the backlight module, and the second gluing device is used for gluing a second part of area to be glued of the backlight module; the first part is treated the rubberizing region and the second part is treated the rubberizing region and is constituteed backlight unit's the region of treating the rubberizing, and third conveyor is transport structure, and second rubberizing device includes second rubberizing subassembly, second CCD vision subassembly and control second rubberizing subassembly and the second mobile device of the spatial position of second CCD vision subassembly.

In some embodiments, the rack includes a first rack body, a second rack body and a third rack body which are integrally arranged along the conveying direction, the first rack body and the third rack body form a middle portion of the rack, the second rack body is lower than the first rack body and the third rack body so as to form a lower portion of the rack, the conveying belt assembly is erected between the first rack body and the third rack body, and the lifting positioning assembly is assembled on the second rack body.

In some embodiments, the conveyor belt assembly includes a first conveying support and a second conveying support, the first conveying support is erected on one side of the first frame body and the third frame body, the second conveying support is erected on the other side of the first frame body and the third frame body, two ends of the first conveying support and two ends of the second conveying support are respectively equipped with a conveying wheel, a first conveyor belt wound around the conveying wheel is equipped on the first conveying support, and a second conveyor belt wound around the conveying wheel is equipped on the second conveying support.

In some embodiments, the side positioning assembly comprises a fixed baffle plate assembled on the first conveying support and higher than the first conveying belt and a movable baffle plate assembled on the second conveying support and higher than the second conveying belt, a side positioning cylinder for driving the movable baffle plate to be close to or far away from the fixed baffle plate is assembled on the second conveying support, the side positioning cylinder drives the transmission plate to control the movable baffle plate, and the movable baffle plate is vertically arranged on the transmission plate and is parallel to the fixed baffle plate.

In some embodiments, the second conveying bracket is assembled between the first bracket body and the third bracket body through a slide rail and a slide block, and the second conveying bracket is driven by the synchronous driving device to realize the adjustment of the distance between the second conveying bracket and the first conveying bracket; the synchronous driving device comprises a synchronous driving motor, a driving transmission assembly, a synchronous transmission assembly and a driven transmission assembly, the synchronous driving motor directly drives the driving transmission assembly, the driving transmission assembly and the driven transmission assembly synchronously operate through the synchronous transmission assembly, and the driving transmission assembly and the driven transmission assembly are respectively arranged at the front part and the rear part of the conveyor belt assembly.

In some embodiments, the lifting positioning assembly is assembled between the first conveying support and the second conveying support, and includes a lifting positioning cylinder, a lifting platform driven by the lifting positioning to lift up and down, and a support rod assembled on an assembling hole configured on the lifting platform, wherein the support rod is used for supporting the bottom surface of the backlight module so as to keep the area to be handed up of the backlight module horizontal.

In some embodiments, the first gluing component and the second gluing component are glue-spraying type glue-spraying heads, and the first CCD visual component and the second CCD visual component are tracking type CCD sensors.

The utility model has the beneficial effects that:

1) the conveying capacity of a production line is provided as a conveying platform through the first conveying device and the second conveying device, the lifting positioning assembly and the side positioning assembly are respectively arranged on the first conveying device and the second conveying device, the positioning of the gluing operation of the backlight module is jointly realized, and the gluing quality on the backlight module is ensured.

2) Through newly adding the third conveying device between the first conveying device and the second conveying device and configuring the second gluing device on the third conveying device, the area to be glued of the backlight module is glued in a partitioning mode, and gluing efficiency of the backlight module is improved.

3) The backlight module after gluing is detected through the gluing detection device, so that the backlight module qualified in gluing and the backlight module unqualified in gluing can be conveniently processed respectively in cooperation with a subsequent production line, and the automation degree of the production line is improved.

4) The CCD vision assembly adopted by the gluing device can realize image acquisition and identification of the area to be glued of the backlight module in real time, and improve the accuracy of gluing.

The details of one or more embodiments of the utility model are set forth in the accompanying drawings and the description below to provide a more thorough understanding of the utility model.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is an assembly configuration view of a sizing apparatus according to embodiment 1 of the present invention.

Fig. 2 is a schematic structural view of a portion a in fig. 1.

FIG. 3 is an assembly configuration view of the glue applying apparatus according to embodiment 2 of the present invention.

Fig. 4 is a schematic structural view of a portion B in fig. 3.

Fig. 5 is a schematic structural view of the first conveying device and the first gumming device (third conveying device and second gumming device) of embodiments 1 and 2 of the present invention.

Fig. 6 is a schematic top view of the first conveying device and the first glue applicator (the third conveying device and the second glue applicator) according to embodiments 1 and 2 of the present invention.

Fig. 7 is a schematic structural view of the rack according to embodiments 1 and 2 of the present invention.

Fig. 8 is a schematic structural diagram of the backlight module according to embodiments 1 and 2 of the present invention.

FIG. 9 is a schematic diagram of the sizing division of the area to be sized according to examples 1 and 2 of the present invention.

In the figure, 1, a first conveying device; 2. a second conveying device; 3. a first gluing device; 4. a gluing detection device; 5. a frame; 6. a conveyor belt assembly; 7. a lifting positioning component; 8. a side positioning assembly; 9. a first glue applying assembly; 10. a first CCD visual component; 11. a first mobile device; 12. a CCD gluing detection assembly; 13. a third conveying device; 14. a first part of the area to be rubberized; 15. a second part of the area to be rubberized; 16. a second glue applying assembly; 17. a support bar; 18. a second mobile device; 19. a first frame body; 20. a second frame body; 21. a third frame body; 22. a first delivery carriage; 23. a second delivery stent; 24. a delivery wheel; 25. a first conveyor belt; 26. a second conveyor belt; 27. fixing a baffle plate; 28. a movable baffle; 29. a side positioning cylinder; 30. a drive plate; 31. a slide rail; 32. a slider; 33. synchronously driving the motors; 34. an active drive assembly; 35. a synchronous drive assembly; 36. a driven transmission assembly; 37. a driving screw; 38. an active nut; 39. a driving gear; 40. a synchronous transmission rod; 41. a synchronous drive gear; 42. a driven screw; 43. a driven nut; 44. a driven gear; 45. a lifting positioning cylinder; 46. a lifting platform; 47. a backlight module; 48. a second gluing device; 49. a second CCD visual component; 50. a region to be rubberized; 51. a synchronous drive device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments provided by the present invention, belong to the protection scope of the present invention. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one of ordinary skill in the art that the described embodiments of the present invention can be combined with other embodiments without conflict.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of describing the utility model are not to be construed as limiting in number, and may be construed to cover both the singular and the plural. The present invention relates to the terms "comprises," "comprising," "includes," "including," "has," "having" and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in the description of the utility model are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality" as used herein means two or more. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The terms "first," "second," "third," and the like in reference to the present invention are used merely to distinguish between similar objects and not necessarily to represent a particular ordering for the objects.

As shown in fig. 1-9, a gluing apparatus for a backlight module according to embodiment 1 of the present invention includes a first conveying device 1 and a second conveying device 2 connected in sequence along a conveying direction, wherein the first conveying device 1 is provided with a first gluing device 3, and the second conveying device 2 is provided with a gluing detection device 4; the first conveying device 1 and the second conveying device 2 are both conveying structures, and each conveying structure comprises a frame 5, a conveying belt assembly 6 erected in the middle of the frame 5 and configured along the conveying direction, a lifting positioning assembly 7 erected at the lower part of the frame 5, and side positioning assemblies 8 configured on two sides of the conveying belt assembly 6; the first gluing device 3 comprises a first gluing component 9, a first CCD visual component 10 and a first moving device 11 for controlling the spatial positions of the first gluing component 9 and the first CCD visual component 10, and the first moving device 11 is erected at the upper part of the frame 5; the glue detecting device 4 comprises a CCD glue detecting assembly 12 for acquiring a glue image of the backlight module 47. In this embodiment 1, the first conveying device 1 and the second conveying device 2 serve as a conveying platform to provide conveying capacity of a production line, and the first conveying device 1 and the second conveying device 2 are respectively provided with the lifting positioning assembly 7 and the side positioning assembly 8, so that positioning of gluing operation of the backlight module 47 is realized together, and gluing quality on the backlight module 47 is ensured.

In the gluing apparatus for a backlight module according to embodiment 2 of the present invention, a third conveying device 13 is further disposed between the first conveying device 1 and the second conveying device 2, a second gluing device 48 is mounted on the third conveying device 13, the first gluing device 3 is used for gluing a first portion of the area to be glued 14 of the backlight module 47, and the second gluing device 48 is used for gluing a second portion of the area to be glued 15 of the backlight module 47; the first portion of the area to be rubberized 14 and the second portion of the area to be rubberized 15 form an area to be rubberized 50 of the backlight module 47, the third conveying device 13 is a conveying structure, and the second rubberizing device 48 includes a second rubberizing assembly 16, a second CCD vision assembly 49, and a second moving device 18 for controlling the spatial positions of the second rubberizing assembly 16 and the second CCD vision assembly 49. The third conveying device 13 is additionally arranged between the first conveying device 1 and the second conveying device 2, and the second gluing device 48 is arranged on the third conveying device 13, so that the area 50 to be glued of the backlight module 47 is glued in a partitioning mode, and the gluing efficiency of the backlight module 47 is improved. The second transfer device 18 is an XYZ three-axis transfer device, the X axis is a horizontal direction arranged perpendicular to the conveyance direction, the Y axis is a horizontal direction arranged along the conveyance direction, and the Z axis is a vertical direction.

In the above embodiments 1 and 2, the frame 5 has an integrated structure, and has a simple structure and strong reliability, specifically, the integrated first frame 19, second frame 20 and third frame 21 are included, the first frame 19 and third frame 21 constitute the middle of the frame 5, the second frame 20 is lower than the first frame 19 and third frame 21 to constitute the lower portion of the frame 5, the conveyor belt assembly 6 is erected between the first frame 19 and the third frame 21, and the lifting positioning assembly 7 is assembled on the second frame 20. The frame 5 adopting the integrated framework provides a reliable and stable assembly structure for the conveyor belt assembly, the lifting positioning assembly 7 and the side positioning assembly 8 assembled on the frame 5.

In the above embodiments 1 and 2, the conveyor belt assembly 6 includes the first conveying support 22 and the second conveying support 23, the first conveying support 22 is erected on one side of the first frame 19 and the third frame 21, the second conveying support 23 is erected on the other side of the first frame 19 and the third frame 21, the two ends of the first conveying support 22 and the second conveying support 23 are respectively equipped with the conveying wheel 24, the first conveying support 22 is equipped with the first conveyor belt 25 wound around the conveying wheel 24, and the second conveying support 23 is equipped with the second conveyor belt 26 wound around the conveying wheel 24. The first conveyor belt 25 and the second conveyor belt 26 are respectively laid along the first conveyor bracket 22 and the second conveyor bracket 23, and the first conveyor bracket 22 and the second conveyor bracket 23 respectively provide support for the first conveyor belt 25 and the second conveyor belt 26 to the backlight module 47 during conveying. The conveyor belt assembly 6 of the present invention is simple in construction and highly reliable.

In the above embodiments 1 and 2, the side positioning assembly 8 includes the fixed baffle 27 assembled on the first conveying support 22 and higher than the first conveying belt 25 and the movable baffle 28 assembled on the second conveying support 23 and higher than the second conveying belt 26, the side positioning cylinder 29 for driving the movable baffle 28 to approach or depart from the fixed baffle 27 is assembled on the second conveying support 23, the side positioning cylinder 29 drives the transmission plate 30 to control the movable baffle 28, the movable baffle 28 is vertically arranged on the transmission plate 30 and parallel to the fixed baffle 27, in order to ensure that the movable baffle 28 guarantees the stability during the adjustment process, the transmission plate 30 is assembled with the guide sleeve, and the guide rod is matched to realize the guiding function, thereby improving the stability. In the side positioning, after the backlight module 47 is lifted and separated from the first conveyor belt 25 and the second conveyor belt 26 after the lifting positioning assembly 7 is started, the measuring position can be started to drive the movable baffle 28 to tightly push the backlight module 47 to the fixed baffle 27 and clamp and fix the backlight module.

In the above embodiments 1 and 2, the second conveying bracket 23 is assembled between the first frame body 19 and the third frame body 21 through the slide rail 31 and the slide block 32, and the second conveying bracket 23 is driven by the synchronous driving device 51 to realize the adjustment of the distance from the first conveying bracket 22; the synchronous driving device 51 comprises a synchronous driving motor 33, a driving transmission assembly 34, a synchronous transmission assembly 35 and a driven transmission assembly 36, wherein the synchronous driving motor 33 directly drives the driving transmission assembly 34, the driving transmission assembly 34 and the driven transmission assembly 36 synchronously operate through the synchronous transmission assembly 35, and the driving transmission assembly 34 and the driven transmission assembly 36 are respectively arranged at the front part and the rear part of the conveyor belt assembly 6. The driving transmission assembly 34 comprises a driving screw 37, a driving nut 38 and a driving gear 39, one end of the driving screw 37 is in transmission connection with the synchronous driving motor 33, the driving nut 38 is assembled and fixed with the second conveying support 23, and the driving gear 39 is fixed at the other end of the driving screw 37. The synchronous transmission assembly 35 comprises a synchronous transmission rod 40 and synchronous transmission gears 41 respectively arranged at two ends of the synchronous transmission rod 40, wherein the synchronous transmission gear 41 at one end of the synchronous transmission rod 40 is in transmission connection with the driving gear 39. The driven transmission assembly 36 comprises a driven screw rod 42, a driven nut 43 and a driven gear 44, wherein one end of the driven screw rod 42 is rotatably assembled on the shaft seat, the driven nut 43 is fixedly assembled with the second conveying bracket 23, the driven gear 44 is fixed at the other end of the driving screw rod 37, and the driven gear 44 is in transmission connection with the synchronous transmission gear 41 at the other end of the synchronous transmission rod 40. Therefore, the distance between the second conveying bracket 23 and the first conveying bracket 22 can be stably and reliably adjusted through the transmission connection structure, so that the backlight module 47 with different sizes can be adapted.

In the above embodiments 1 and 2, the elevation positioning assembly 7 is assembled between the first conveying support 22 and the second conveying support 23, and includes the elevation positioning cylinder 45, the elevation table 46 driven to ascend and descend by the elevation positioning start, and the support rod 17 assembled on the assembly hole configured on the elevation table 46, wherein the support rod 17 is used for supporting the bottom surface of the backlight module 47 so as to keep the area to be handed over of the backlight module 47 horizontal. A plurality of spaced support rods 17 are disposed on the lifting platform 46, the height of the support rods 17 is adjusted according to the horizontal height of the bottom surface of the backlight module 47 supported by the support rods 17, and since not all the bottom surfaces of the backlight module 47 are horizontal and flush, the height of the support rods 17 is adjusted to make the areas 50 to be glued of different backlight modules 47 all be on the same horizontal plane in order to adapt to different backlight modules 47.

In the above embodiments 1 and 2, the first gluing component 9 and the second gluing component 16 are glue spraying type glue spraying heads, the glue solution is sprayed out under the control of a piezoelectric valve of the glue spraying type glue spraying heads, and the first CCD vision component 10 and the second CCD vision component 49 are tracking type CCD sensors, which realize the real-time image acquisition and identification of the area 50 to be glued of the backlight module 47, and improve the accuracy of gluing.

It should be understood by those skilled in the art that various features of the above-described embodiments can be combined in any combination, and for the sake of brevity, all possible combinations of features in the above-described embodiments are not described in detail, but rather, all combinations of features which are not inconsistent with each other should be construed as being within the scope of the present disclosure.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (8)

1. The gluing equipment for the backlight module is characterized by comprising a first conveying device (1) and a second conveying device (2) which are sequentially connected along the conveying direction, wherein the first conveying device (1) is provided with a first gluing device (3), and the second conveying device (2) is provided with a gluing detection device (4); the first conveying device (1) and the second conveying device (2) are both conveying structures, and each conveying structure comprises a rack (5), a conveying belt component (6) erected in the middle of the rack (5) and configured along the conveying direction, a lifting positioning component (7) erected at the lower part of the rack (5) and side positioning components (8) configured on two sides of the conveying belt component (6); the first gluing device (3) comprises a first gluing component (9), a first CCD visual component (10) and a first moving device (11) for controlling the spatial positions of the first gluing component (9) and the first CCD visual component (10), and the first moving device (11) is erected at the upper part of the rack (5); the gluing detection device (4) comprises a CCD gluing detection assembly (12) for acquiring a gluing image of the backlight module (47); the conveyor belt assembly (6) comprises a first conveyor support (22) and a second conveyor support (23), wherein two ends of the first conveyor support (22) and the second conveyor support (23) are respectively provided with a conveyor wheel (24), a first conveyor belt (25) wound on the conveyor wheel (24) is arranged on the first conveyor support (22), and a second conveyor belt (26) wound on the conveyor wheel (24) is arranged on the second conveyor support (23).

2. The gluing device of a backlight module according to claim 1, wherein a third conveying device (13) is arranged between the first conveying device (1) and the second conveying device (2), a second gluing device (48) is assembled on the third conveying device (13), the first gluing device (3) is used for gluing a first part of the area (14) to be glued of the backlight module (47), and the second gluing device (48) is used for gluing a second part of the area (15) to be glued of the backlight module (47); wherein, the gluing regional (14) of waiting of gluing of first portion is waited to glue regional (14) and second portion and is waited to glue regional (15) and constitute backlight unit (47) and wait to glue regional (50), third conveyor (13) do transport structure, second gluing device (48) include second gluing subassembly (16), second CCD vision subassembly (49) and control second gluing subassembly (16) and second CCD vision subassembly (49)'s spatial position's second mobile device (18).

3. The gluing device of a backlight module according to claim 1 or 2, wherein the frame (5) comprises a first frame body (19), a second frame body (20) and a third frame body (21) which are integrated and arranged along the conveying direction, the first frame body (19) and the third frame body (21) form the middle part of the frame (5), the second frame body (20) is lower than the first frame body (19) and the third frame body (21) to form the lower part of the frame (5), the conveyor belt assembly (6) is erected between the first frame body (19) and the third frame body (21), and the lifting positioning assembly (7) is assembled on the second frame body (20).

4. The gluing device of a backlight module according to claim 3, wherein the first conveying bracket (22) is arranged on one side of the first frame body (19) and the third frame body (21), and the second conveying bracket (23) is arranged on the other side of the first frame body (19) and the third frame body (21).

5. The gluing device of a backlight module according to claim 4, wherein the side positioning assembly (8) comprises a fixed baffle (27) assembled on the first conveying support (22) and higher than the first conveying belt (25) and a movable baffle (28) assembled on the second conveying support (23) and higher than the second conveying belt (26), a side positioning cylinder (29) driving the movable baffle (28) to approach or depart from the fixed baffle (27) is assembled on the second conveying support (23), the side positioning cylinder (29) controls the movable baffle (28) by driving a driving plate (30), and the movable baffle (28) is erected on the driving plate (30) and is parallel to the fixed baffle (27).

6. The gluing device of a backlight module according to claim 4, wherein the second conveying support (23) is assembled between the first frame body (19) and the third frame body (21) through a slide rail (31) and a slide block (32), and the second conveying support (23) is driven by a synchronous driving device (51) to realize adjustment of the distance between the second conveying support and the first conveying support (22); synchronous drive arrangement (51) include synchronous driving motor (33), initiative transmission assembly (34), synchronous transmission subassembly (35) and driven transmission subassembly (36), synchronous driving motor (33) direct drive initiative transmission subassembly (34), initiative transmission subassembly (34) pass through synchronous transmission subassembly (35) with driven transmission subassembly (36) function in step, initiative transmission subassembly (34) and driven transmission subassembly (36) set up respectively in the front portion and the rear portion of conveyer belt subassembly (6).

7. The gluing device of the backlight module according to claim 4, wherein the lifting and positioning assembly (7) is assembled between the first conveying support (22) and the second conveying support (23), and comprises a lifting and positioning cylinder (45), a lifting platform (46) driven by the lifting and positioning to lift up and down, and a support rod (17) assembled on an assembly hole configured on the lifting platform (46), wherein the support rod (17) is used for supporting the bottom surface of the backlight module (47) so as to keep the area to be handed up of the backlight module (47) horizontal.

8. The gluing device of a backlight module according to claim 2, wherein the first gluing assembly (9) and the second gluing assembly (16) are glue-spraying type glue-spraying heads, and the first CCD visual assembly (10) and the second CCD visual assembly (49) are tracking type CCD sensors.

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