Automatic detection equipment for backlight module

Abstract

The utility model discloses automatic detection equipment for a backlight module, which comprises a rack, a rotation driving mechanism, a rotation platform, a detection jig and a detection device, and an operation station and a detection station are arranged on the rotation path of the rotation platform; the rotating platform is provided with a set of detection tools corresponding to the operation station and the detection station, and the detection tools are used for bearing and fixing a backlight module to be detected. The driving end of the rotation driving mechanism is connected with the rotating platform to drive the rotating platform to rotate, and the detection jig is made to flow between the operation station and the detection station. The detection device is used for detecting whether the backlight module located on the detection jig is qualified or not. When the automatic detection equipment of the backlight module works, the rotation driving mechanism drives the rotation platform to rotate to enable the detection jig to flow between the operation station and the detection station, the detection device detects whether the backlight module located on the detection jig is qualified or not, the design is ingenious, the manual detection mode is omitted, and the detection efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of detection equipment, in particular to an automatic detection equipment for a backlight module. Background Art

[0002] The backlight module is one of the key components of the LCD panel. Its function is to provide sufficient brightness and evenly distributed light source so that it can display images normally. The backlight module has been widely used in various electronic products and modern information equipment such as personal digital assistants due to its advantages such as light weight, thin thickness and low power consumption.

[0003] At present, when the industry inspects backlight modules, since the backlight modules need to undergo multiple inspection processes, the backlight modules need to be modularly partitioned before inspection. The existing inspection method is manual inspection, which requires inspectors to light up the backlight modules in each partition before inspection. Obviously, this method has the problems of high labor intensity and low inspection efficiency, which need to be solved urgently. Utility Model Content

[0004] The utility model aims to provide an automatic detection device for a backlight module to solve the problems of high labor intensity and low detection efficiency in conventional manual detection in the prior art.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] An automated testing device for a backlight module, comprising a frame, a rotating drive mechanism, a rotating platform, a testing fixture and a testing device, wherein:

[0007] The rotating platform is rotatably mounted on the frame, and an operating station and a detection station are arranged on the rotating path of the rotating platform; a set of detection jigs are arranged on the rotating platform corresponding to the operating station and the detection station;

[0008] The detection fixture is configured to carry and fix the backlight module to be detected;

[0009] The driving end of the rotary drive mechanism is connected to the rotary platform, and the rotary drive mechanism is configured to drive the rotary platform to rotate so as to transfer the detection fixture between the operating station and the detection station; the detection device is configured to detect whether the backlight module located on the detection fixture is qualified.

[0010] Furthermore, the detection fixture includes a carrying platform and a first flip driving member, the carrying platform is configured to carry and fix the backlight module to be detected, the detection socket of the backlight module is set downward, the carrying platform can be flipped on the rotating platform, the fixed end of the first flip driving member is installed on the rotating platform, the driving end of the first flip driving member is connected to the carrying platform, and the first flip driving member is configured to drive the carrying platform to flip a preset angle so that the detection socket of the backlight module faces upward.

[0011] Furthermore, the detection fixture further includes a flip cover, a second flip driving member and a vacuum assembly, wherein the flip cover is rotatably hinged on the carrier, a fixed end of the second flip driving member is mounted on the carrier, a driving end of the second flip driving member is connected to the flip cover, and the second flip driving member is configured to drive the flip cover to flip to the first position or the second position;

[0012] When the second flip driving member drives the flip cover to flip to the first position, the flip cover is abutted against the supporting platform to form a sealed cavity around the backlight module;

[0013] When the second flip driving member drives the flip cover to flip to the second position, the flip cover leaves the carrying platform, so as to place the backlight module to be tested on the carrying platform, or remove the tested backlight module from the carrying platform;

[0014] The vacuum assembly is configured to evacuate the cavity.

[0015] Furthermore, the rotating platform is also provided with a plurality of sets of lighting devices, each set of the lighting devices corresponds to the detection fixture one by one, and the lighting devices are configured to light up the backlight module on the detection fixture.

[0016] Furthermore, the rotating path of the rotating platform is provided with two circulation stations, the operating station, the inspection station and the two circulation stations are all distributed on the same circumference of the rotating platform, a set of inspection fixtures are provided on the two circulation stations, and the rotating drive mechanism is configured to drive the rotating platform to rotate 90° each time.

[0017] Furthermore, a current detection device is provided on the frame at one side of the operating station, and the current detection device is configured to detect whether the backlight module is powered on at the operating station.

[0018] Furthermore, the detection fixture also includes at least one locking unit, at least one of the locking units is installed on the supporting platform, and at least one of the locking units is configured to lock the flip cover on the supporting platform when the flip cover is abutted against the supporting platform.

[0019] Furthermore, two locking units are provided, each of which includes a locking drive and a locking member, the fixed end of each locking drive is installed on the supporting platform, the movable end of each locking drive is connected to the corresponding locking member, and each rotating drive drives the corresponding rotating member to rotate a preset angle to lock the flip cover on the supporting platform.

[0020] Furthermore, the support platform is provided with a plurality of positioning holes, and the flip cover is provided with a plurality of positioning members, the plurality of positioning holes and the plurality of positioning members are arranged in one-to-one correspondence, and each positioning member is inserted into the corresponding positioning hole to make the flip cover tightly against the support platform.

[0021] Furthermore, the detection device includes a detection camera, which is installed at the detection station and is configured to take a picture of the backlight module in a lit state on the support platform at the detection station to perform visual inspection of the backlight module.

[0022] Compared with the prior art, the beneficial effects of the automated inspection equipment for the backlight module are as follows: the inspection jig carries and fixes the backlight module to be inspected, the rotary drive mechanism drives the rotary platform to rotate and transfer the inspection jig between the operating station and the inspection station, and the inspection device detects whether the backlight module on the inspection jig is qualified. The design is ingenious, the manual inspection method is eliminated, and the inspection efficiency is greatly improved; the support platform is rotated by a preset angle through the first flip drive member, which can drive the backlight module with the inspection socket facing downward to flip so that the inspection socket faces upward, and the backlight module with the inspection socket facing downward can be inspected, thereby improving the adaptability of the inspection; the vacuum assembly vacuums the cavity formed between the flip cover and the support platform, which significantly enhances the clarity of the inspection and improves the inspection quality; two additional transfer stations are provided, so that multiple backlight modules can be inspected at one time, further improving the inspection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate and understand the technical solutions in the embodiments of the present invention, the following briefly introduces the background technology of the present invention and the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0024] Figure 1 It is a three-dimensional structural schematic diagram of an automatic detection device for a backlight module provided by an embodiment of the utility model;

[0025] Figure 2 It is a schematic diagram of the three-dimensional structure of the detection fixture provided by the embodiment of the utility model;

[0026] Figure 3 It is a top view schematic diagram of the detection fixture provided by the embodiment of the utility model. DETAILED DESCRIPTION

[0027] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0028] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively with reference to the relevant drawings. The preferred embodiments of the utility model are given in the drawings. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thoroughly understood. It should be noted that when a component is referred to as "fixed to" another component, it can be directly on another component or there can also be a central component. When a component is considered to be "connected" to another component, it can be directly connected to another component or there may be a central component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for illustrative purposes and are not intended to be the only implementation method. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by technicians in the technical field of the utility model. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0029] See also Figures 1 to 3 As shown, in this embodiment, an automated inspection device for a backlight module comprises a frame 1, a rotating drive mechanism 2, a rotating platform 3, an inspection jig 4 and an inspection device 5, wherein: the rotating platform 3 can be rotatably mounted on the frame 1, and an operating station and an inspection station are arranged on the rotating path of the rotating platform 3; a set of inspection jigs 4 are arranged on the rotating platform 3 corresponding to the operating station and the inspection station; the inspection jig 4 is configured to carry and fix the backlight module to be inspected; the driving end of the rotating drive mechanism 2 is connected to the rotating platform 3, and the rotating drive mechanism 2 is configured to drive the rotating platform 3 to rotate so as to transfer the inspection jig 4 between the operating station and the inspection station; the inspection device 5 is configured to detect whether the backlight module located on the inspection jig 4 is qualified.

[0030] It can be seen that the inspection jig 4 carries and fixes the backlight module to be inspected, the rotary drive mechanism 2 drives the rotary platform 3 to rotate and transfer the inspection jig 4 between the operating station and the inspection station, and the inspection device 5 detects whether the backlight module on the inspection jig 4 is qualified. The design is ingenious, eliminates the manual inspection method, and greatly improves the inspection efficiency.

[0031] As an embodiment, the detection fixture 4 includes a carrier platform 40 and a first flip driving member 41. The carrier platform 40 is configured to carry and fix the backlight module to be detected. The detection socket of the backlight module is set downward. The carrier platform 40 is flippably mounted on the rotating platform 3. The fixed end of the first flip driving member 41 is mounted on the rotating platform 3. The driving end of the first flip driving member 41 is connected to the carrier platform 40. The first flip driving member 41 is configured to drive the carrier platform 40 to flip at a preset angle so that the detection socket of the backlight module faces upward.

[0032] It can be seen that by rotating the support platform 40 by a preset angle through the first flip driving member 41, the backlight module with the detection socket facing downward can be flipped so that the detection socket faces upward, and the backlight module with the detection socket facing downward can be detected, thereby improving the adaptability of detection.

[0033] As an embodiment, the detection fixture 4 also includes a flip cover 42, a second flip driving member 43 and a vacuum assembly 44, the flip cover 42 is rotatably hinged on the carrier 40, the fixed end of the second flip driving member 43 is installed on the carrier 40, the driving end of the second flip driving member 43 is connected to the flip cover 42, and the second flip driving member 43 is configured to drive the flip cover 42 to flip to the first position or the second position; when the second flip driving member 43 drives the flip cover 42 to flip to the first position, the flip cover 42 is abutted against On the supporting platform 40, a sealed cavity is formed around the backlight module; when the second flip driving member 43 drives the flip cover 42 to flip to the second position, the flip cover 42 leaves the supporting platform 40, so as to place the backlight module to be inspected on the supporting platform 40, or remove the inspected backlight module from the supporting platform 40; the vacuuming component 44 is configured to vacuum the cavity. Obviously, the vacuuming component 44 vacuums the cavity formed between the flip cover 42 and the supporting platform 40, which significantly enhances the clarity of the inspection and improves the inspection quality.

[0034] As an implementation manner, a plurality of lighting devices 6 are further provided on the rotating platform 3 , each lighting device 6 corresponds to a detection fixture 4 one by one, and the lighting device 6 is configured to light up the backlight module on the detection fixture 4 .

[0035] As an embodiment, the rotating path of the rotating platform 3 is provided with two circulation stations, the operation station, the inspection station and the two circulation stations are evenly distributed on the same circumference of the rotating platform 3, and a set of inspection fixtures 4 are provided on the two circulation stations, and the rotating drive mechanism 2 is configured to drive the rotating platform 3 to rotate 90° each time.

[0036] It can be seen that adding two transfer stations can detect multiple backlight modules at a time, further improving the detection efficiency.

[0037] As an implementation manner, a current detection device 7 is provided on the frame 1 at one side of the operating station, and the current detection device 7 is configured to detect whether the backlight module is powered on at the operating station.

[0038] As an embodiment, the detection fixture 4 also includes at least one locking unit 8, at least one locking unit 8 is installed on the support platform 40, and at least one locking unit 8 is configured to lock the flip cover 42 on the support platform 40 when the flip cover 42 is against the support platform 40.

[0039] As an embodiment, two locking units 8 are provided, each locking unit 8 includes a locking drive 80 and a locking member 81, the fixed end of each locking drive 80 is installed on the supporting platform 40, the movable end of each locking drive 80 is connected to the corresponding locking member 81, and each rotating drive drives the corresponding rotating member to rotate a preset angle to lock the flip cover 42 on the supporting platform 40.

[0040] As an embodiment, a plurality of positioning holes 400 are opened on the supporting platform 40, and a plurality of positioning members are opened on the flip cover 42. The plurality of positioning holes 400 are arranged in one-to-one correspondence with the plurality of positioning members, and each positioning member is inserted into the corresponding positioning hole 400 to make the flip cover 42 close to the supporting platform 40.

[0041] As an embodiment, the detection device 5 includes a detection camera installed at the detection station, and the detection camera is configured to take a picture of the backlight module in the illuminated state on the carrier 40 at the detection station to perform visual detection on the backlight module.

[0042] When the above-mentioned automatic detection equipment of the backlight module is working: first, the backlight module to be detected is manually placed on the detection fixture 4 located at the operating station, and the second flip driving member 43 drives the flip cover 42 to flip to the first position, so that the flip cover 42 is abutted against the carrier 40, and a sealed cavity is formed around the backlight module. At the same time, the vacuum component 44 evacuates the cavity; secondly, the first flip driving member 41 drives the carrier 40 to flip a preset angle so that the detection socket of the backlight module faces upward, and then the connecting line of the current detection device 7 is connected to the detection socket to check whether the backlight module is connected to the current. After detecting that there is current, the connecting line is pulled out, and then the wiring terminal of the lighting device 6 is connected to the detection socket to light up the backlight module on the detection fixture 4; finally, the rotating drive mechanism 2 drives the rotating platform 3 to rotate 90° to turn the detection fixture 4 from the current detection device 7 to the detection socket. The previous operation station is transferred to the next transfer station. After the next backlight module to be inspected is manually lit at the operation station, the rotary drive mechanism 2 drives the rotary platform 3 to rotate, and the backlight module in the illuminated state on the transfer station is moved to the detection camera. The detection camera takes a picture of the backlight module in the illuminated state on the carrier 40 to implement visual inspection of the backlight module. After the inspection is qualified, the rotary drive mechanism 2 drives the rotary platform 3 to rotate 90° to transport the qualified backlight module to the next transfer station. At the same time, after the next backlight module to be inspected is lit, the rotary drive mechanism 2 drives the rotary platform 3 to rotate again, and drives the qualified backlight module to the operation station; the backlight module that has been inspected is manually replaced, and the next backlight module to be inspected is placed on the detection fixture 4; the above operation is repeated until all backlight modules are fully inspected.

[0043] The above embodiments are only to illustrate the basic principles and characteristics of the present invention. The present invention is not limited by the above embodiments. Without departing from the spirit and scope of the present invention, the present invention may be subject to various changes and modifications, which are within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An automated testing device for a backlight module, characterized in that: The automated testing equipment for the backlight module includes a frame, a rotating drive mechanism, a rotating platform, a testing fixture and a testing device, wherein: The rotating platform is rotatably mounted on the frame, and an operating station and a detection station are arranged on the rotating path of the rotating platform; a set of detection jigs are arranged on the rotating platform corresponding to the operating station and the detection station; The detection fixture is configured to carry and fix the backlight module to be detected; The driving end of the rotary drive mechanism is connected to the rotary platform, and the rotary drive mechanism is configured to drive the rotary platform to rotate so as to transfer the detection fixture between the operating station and the detection station; the detection device is configured to detect whether the backlight module located on the detection fixture is qualified.

2. The automatic detection device for backlight module according to claim 1, characterized in that: The detection fixture includes a carrying platform and a first flip driving member, the carrying platform is configured to carry and fix the backlight module to be detected, the detection socket of the backlight module is set downward, the carrying platform can be flipped on the rotating platform, the fixed end of the first flip driving member is installed on the rotating platform, the driving end of the first flip driving member is connected to the carrying platform, and the first flip driving member is configured to drive the carrying platform to flip a preset angle so that the detection socket of the backlight module faces upward.

3. The automatic detection device for backlight module according to claim 2, characterized in that: The detection fixture further includes a flip cover, a second flip driving member and a vacuum assembly, wherein the flip cover is rotatably hinged on the carrier, a fixed end of the second flip driving member is mounted on the carrier, a driving end of the second flip driving member is connected to the flip cover, and the second flip driving member is configured to drive the flip cover to flip to a first position or a second position; When the second flip driving member drives the flip cover to flip to the first position, the flip cover is abutted against the supporting platform to form a sealed cavity around the backlight module; When the second flip driving member drives the flip cover to flip to the second position, the flip cover leaves the carrying platform, so as to place the backlight module to be tested on the carrying platform, or remove the tested backlight module from the carrying platform; The vacuum assembly is configured to evacuate the cavity.

4. The automatic detection device for backlight module according to claim 1, characterized in that: The rotating platform is also provided with a plurality of lighting devices, each lighting device corresponds to the detection fixture one by one, and the lighting device is configured to light up the backlight module on the detection fixture.

5. The automatic detection device for backlight module according to claim 1, characterized in that: The rotating path of the rotating platform is provided with two circulation stations, the operating station, the inspection station and the two circulation stations are all distributed on the same circumference of the rotating platform, a set of inspection fixtures are provided on the two circulation stations, and the rotating drive mechanism is configured to drive the rotating platform to rotate 90° each time.

6. The automatic detection device for backlight module according to claim 1, characterized in that: A current detection device is arranged on the frame at one side of the operating station, and the current detection device is configured to detect whether the backlight module is powered on at the operating station.

7. The automatic detection device for backlight module according to claim 3, characterized in that: The detection fixture further includes at least one locking unit, which is mounted on the support platform and configured to lock the flip cover on the support platform when the flip cover is against the support platform.

8. The automatic detection device for backlight module according to claim 7, characterized in that: Two locking units are provided, each of which includes a locking drive and a locking member. The fixed end of each locking drive is installed on the supporting platform, and the movable end of each locking drive is connected to the corresponding locking member. Each rotating drive drives the corresponding rotating member to rotate a preset angle to lock the flip cover on the supporting platform.

9. The automatic detection device for backlight module according to claim 3, characterized in that: The support platform is provided with a plurality of positioning holes, the flip cover is provided with a plurality of positioning members, the plurality of positioning holes are arranged in one-to-one correspondence with the plurality of positioning members, and each positioning member is inserted into the corresponding positioning hole to make the flip cover close to the support platform.

10. The automatic detection device for backlight module according to claim 2, characterized in that: The detection device comprises a detection camera, which is installed at the detection station and is configured to take a picture of the backlight module in a lit state on the carrier at the detection station to perform visual detection on the backlight module.

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