Liquid crystal module FPC test mechanism

Abstract

The utility model relates to a liquid crystal module FPC testing mechanism, which comprises a positioning assembly, a position adjusting assembly, a fixing assembly and a liquid crystal module placing platform, the positioning assembly comprises a visual sensor, the position adjusting assembly comprises a testing platform and a six-axis moving base, and the fixing assembly comprises a first fixing module and a second fixing module. The liquid crystal module placing platform is used for placing a liquid crystal module, and the liquid crystal module is provided with a flexible printed circuit (FPC); the test platform is fixedly connected with the six-axis mobile base, the visual sensor is arranged above the test platform, and the test platform is within the visual field range of the visual sensor; the liquid crystal module placement platform is adjacent to one end of the test plane; the first fixing surface of the first fixing module is opposite to the plane at one end of the test platform, and the second fixing surface of the second fixing module is opposite to the plane at the other end of the test platform. In the whole process, the position of the liquid crystal module does not need to be changed, various items of FPC detection can be completed at a time, and the testing process is simplified.

Description

TECHNICAL FIELD

[0001] The utility model relates to test mechanism field especially relates to a liquid crystal module FPC test mechanism. BACKGROUND

[0002] The driving circuit of the liquid crystal module applied on the electronic equipment such as mobile phone is usually integrated on the flexible circuit board (Flexible Printed Circuit, FPC), and the flexible circuit board of the liquid crystal module needs to be tested to ensure the normal function of the liquid crystal module. At present, the FPC is usually tested by independent testing equipment, which leads to the need of transferring to the independent testing equipment to test the FPC on the liquid crystal module after testing the liquid crystal panel and other structures of the liquid crystal module, and the whole testing process is very cumbersome. SUMMARY

[0003] Therefore, it is necessary to provide a liquid crystal module FPC test mechanism for the FPC testing cumbersome problem of the liquid crystal module.

[0004] The utility model discloses a liquid crystal module FPC test mechanism, including positioning assembly, position adjustment assembly, fixed component and liquid crystal module placement platform, the positioning assembly includes vision sensor, the position adjustment assembly includes test platform and six axle mobile base, the fixed component includes first fixed module and second fixed module, the liquid crystal module placement platform is used to place liquid crystal module, and the liquid crystal module is equipped with flexible circuit board FPC;

[0005] The test platform is fixedly connected with the six axle mobile base, the vision sensor is located above the test platform, and the test platform is in the visual range of the vision sensor;The liquid crystal module placement platform is adjacent to one end of the test platform;The first fixed surface of the first fixed module is opposite to the plane of one end of the test platform, and the second fixed surface of the second fixed module is opposite to the plane of the other end of the test platform.

[0006] In some embodiments, the six axle mobile base includes double-layer support, X axle movement module, Y axle movement module, Z axle movement module and rotation module, the X axle movement module includes X axle drive part and first connecting piece, the Y axle movement module includes Y axle drive part and second connecting piece, the Z axle movement module includes Z axle drive part and third connecting piece, and the rotation module includes rotation drive part.

[0007] The X-axis driving part is arranged on the lower layer of the double-layer support, one end of the first connecting part is fixedly connected with the driving head of the X-axis driving part, and the other end of the first connecting part is fixedly connected with the rotary driving part; the rotary driving part is arranged on the lower layer of the double-layer support, and the driving head of the rotary driving part penetrates through the upper layer of the double-layer support; one end of the second connecting part is fixedly connected with the driving head of the rotary driving part, and the other end of the second connecting part is fixedly connected with the Y-axis driving part; one end of the third connecting part is fixedly connected with the driving head of the Y-axis driving part, and the other end of the third connecting part is fixedly connected with the Z-axis driving part; and the test platform is fixedly connected with the Z-axis driving part.

[0008] In some embodiments, the first connecting part is slidably connected with the lower layer of the double-layer support.

[0009] In some embodiments, the upper layer of the double-layer support is provided with a limiting block near one end of the Y-axis driving part.

[0010] In some embodiments, the positioning assembly further comprises a light supplement lamp, the light supplement lamp is arranged between the visual sensor and the test platform, and the light supplement lamp does not block the visual field range of the visual sensor.

[0011] In some embodiments, the first fixing module comprises a first Y-axis air cylinder, a first Z-axis air cylinder and a first fixing block, the first fixing block is provided with a first fixing surface; the first fixing block is fixedly connected with the piston head of the first Z-axis air cylinder, and the first Z-axis air cylinder is fixedly connected with the piston head of the first Y-axis air cylinder.

[0012] In some embodiments, the second fixing module comprises a second Y-axis air cylinder, a second Z-axis air cylinder and a second fixing block, the second fixing block is provided with a second fixing surface; the second fixing block is fixedly connected with the piston head of the second Z-axis air cylinder, and the second Z-axis air cylinder is fixedly connected with the piston head of the second Y-axis air cylinder.

[0013] In some embodiments, the liquid crystal module placing platform is provided with a backlight lamp near one side of the test platform, and the backlight lamp is located below the test platform.

[0014] In some embodiments, the test platform is provided with a hollow through hole, and the size of the hollow through hole is greater than the size of the first fixing surface.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The liquid crystal module is placed by a liquid crystal module placing platform, the FPC on the liquid crystal module is placed on a test platform, the FPC is positioned by a vision sensor, the position of the FPC is adjusted by a six-axis moving base according to the positioning result, the FPC is clamped and fixed by a first fixing module and a second fixing module, and the FPC is subjected to appearance detection, bending detection or stretching detection by the vision sensor, the six-axis moving base, the first fixing module or the second fixing module, the position of the liquid crystal module in the whole test process does not need to be changed, and multiple item detections of the FPC can be completed at one time, and the test process is simplified. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A structural schematic view of a liquid crystal module FPC test mechanism shown in an embodiment of the present application is shown in the figure;

[0018] Figure 2 Another structural schematic view of a liquid crystal module FPC test mechanism shown in an embodiment of the present application is shown in the figure;

[0019] Figure 3 A structural schematic view of a position adjusting assembly shown in an embodiment of the present application is shown in the figure;

[0020] Figure 4 Another structural schematic view of a position adjusting assembly shown in an embodiment of the present application is shown in the figure;

[0021] Figure 5 A structural schematic view of a positioning assembly shown in an embodiment of the present application is shown in the figure;

[0022] Figure 6 A structural schematic view of a fixing assembly shown in an embodiment of the present application is shown in the figure. DETAILED DESCRIPTION

[0023] In order to make the above objectives, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0024] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. Like terms are used to describe similar elements in different drawings.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0026] Referring to Figure 1 and Figure 2 , the embodiment of the present application shows a liquid crystal module FPC test mechanism, including positioning assembly 1, position adjustment assembly 2, fixed assembly 3 and liquid crystal module placement platform 4, the positioning assembly 1 includes visual sensor 11, the position adjustment assembly 2 includes test platform 21 and six-axis moving base 22, the fixed assembly 3 includes first fixed module 31 and second fixed module 32, the liquid crystal module placement platform 4 is used to place liquid crystal module, the liquid crystal module is equipped with flexible circuit board FPC;

[0027] The test platform 21 is fixedly connected with the six-axis moving base 22, the visual sensor 11 is arranged above the test platform 21, and the test platform 21 is in the visual field range of the visual sensor 11; the liquid crystal module placement platform 4 is adjacent to one end of the test platform 21; the first fixed surface of the first fixed module 31 is opposite to the plane of one end of the test platform 21, and the second fixed surface of the second fixed module 32 is opposite to the plane of the other end of the test platform 21.

[0028] In the embodiment, the liquid crystal module is placed on the liquid crystal module placing platform 4, and since the liquid crystal module placing platform 4 is arranged adjacent to one end of the test platform 21, the FPC on the liquid crystal module can be placed on the test platform 21; the FPC is positioned by the visual sensor 11, and the position of the FPC is adjusted by the six-axis moving base 22 according to the positioning result, so that the FPC can be placed on the target position of the test platform 21; then the first fixing module 31 and the second fixing module 32 are controlled to move towards the test platform 21, so as to clamp and fix the FPC. Then, according to the test item, the visual sensor 11 is used to detect the appearance of the FPC, and the six-axis moving base 22, the first fixing module 31 or the second fixing module 32 is used to adjust the position of the FPC for bending test or stretching test, etc. In the whole test process, the liquid crystal module is placed on the liquid crystal module placing platform for testing the components such as the liquid crystal panel, and the FPC is tested on the test platform, so that the position of the liquid crystal module does not need to be changed in the whole test process, and the cumbersome operation such as transferring the liquid crystal module is reduced; and the embodiment can complete multiple test items such as appearance detection, bending detection and stretching test of the FPC at one time, and further simplifies the test process.

[0029] In some embodiments, referring to Figure 3 , the six-axis moving base 22 comprises a double-layer support 221, an X-axis moving module 222, a Y-axis moving module 223, a Z-axis moving module 224 and a rotating module 225, the X-axis moving module 222 comprises an X-axis driving member 2221 and a first connecting member 2222, the Y-axis moving module 223 comprises a Y-axis driving member 2231 and a second connecting member 2232, the Z-axis moving module 224 comprises a Z-axis driving member 2241 and a third connecting member 2242, and the rotating module 225 comprises a rotating driving member 2251.

[0030] The X-axis driving member 2221 is arranged on the lower layer of the double-layer support 221, one end of the first connecting member 2222 is fixedly connected with the driving head of the X-axis driving member 2221, and the other end of the first connecting member 2222 is fixedly connected with the rotating driving member 2251; the rotating driving member 2251 is arranged on the lower layer of the double-layer support 221, and the driving head of the rotating driving member 2251 penetrates through the upper layer of the double-layer support 221; one end of the second connecting member 2232 is fixedly connected with the driving head of the rotating driving member 2251, and the other end of the second connecting member 2232 is fixedly connected with the Y-axis driving member 2231; one end of the third connecting member 2242 is fixedly connected with the driving head of the Y-axis driving member 2231, and the other end of the third connecting member 2232 is fixedly connected with the Z-axis driving member 2241; and the test platform 21 is fixedly connected with the Z-axis driving member 2241.

[0031] In the embodiment, the X-axis driving member 2221 adjusts the position of the test platform 21 in the X-axis direction, the Y-axis driving member 2231 adjusts the position of the test platform 21 in the Y-axis direction, the Z-axis driving member 2241 adjusts the position of the test platform 21 in the Z-axis direction, and the rotary driving member 2251 adjusts the included angle between the Y-axis driving member 2231 and the X-axis driving member 2221, that is, the Y-axis driving member 2231 and the X-axis driving member 2221 have a non-XY perpendicular positional relationship under the action of the rotary driving member 2251. It can be understood that, since the FPC is connected with the liquid crystal module, when the liquid crystal module is placed on the liquid crystal module placing platform 4, the position of the FPC relative to the liquid crystal module is fixed when the six-axis moving base 222 moves, and the position of the FPC relative to the test platform 21 changes, that is, the six-axis moving base 222 in the embodiment is self-adaptive to the position of the FPC, so as to facilitate the test.

[0032] Optionally, in the bending test or the stretching test, the FPC is clamped and fixed by the first fixing module 31 and the second fixing module 32, and the rotary driving member 2251 can be controlled to rotate repeatedly within a certain angle (set according to the test requirement) to realize the bending fatigue test or the stretching fatigue test of the FPC.

[0033] In some embodiments, as shown in Figure 3 The first connecting member 2222 is slidably connected with the lower layer of the double-layer support 221. The first connecting member 2222 is provided with a sliding block, the lower layer of the double-layer support 221 is provided with a sliding rail, the first connecting member 222 is slidably connected with the lower layer, and the stability of the entire six-axis moving base 222 above the first connecting member 2222 when the X-axis driving member 2221 drives the first connecting member 2222 to move can be ensured.

[0034] In some embodiments, as shown in Figure 4 The upper layer of the double-layer support 221 is provided with a limiting stopper 2211 close to one end of the Y-axis driving member 2231. The limiting stopper 2211 is used for limiting the rotation range of the Y-axis driving member 2231 driven by the rotary driving member 2251, so that the test platform 21 can reciprocate within a certain angle under the drive of the rotary driving member 2231, and the requirement of the FPC fatigue test can be met.

[0035] In some embodiments, as shown in Figure 5 The positioning assembly 1 further includes a light supplementing lamp 12, the light supplementing lamp 12 is arranged between the visual sensor 11 and the test platform 21, and the light supplementing lamp 12 does not block the visual field range of the visual sensor 11. The light supplementing lamp 12 can improve the visual field brightness of the visual sensor 11, thereby improving the recognition accuracy of the visual sensor 11.

[0036] In some embodiments, as shown in Figure 6As shown, the first fixed module 31 includes a first Y-axis cylinder 311, a first Z-axis cylinder 312, and a first fixed block 313 provided with a first fixed surface; the first fixed block 313 is fixedly connected with the piston head of the first Z-axis cylinder 312, and the first Z-axis cylinder 312 is fixedly connected with the piston head of the first Y-axis cylinder 311.

[0037] In the embodiment, the first Y-axis cylinder 311 drives the first Z-axis cylinder 312 to move in the Y-axis direction, the first Z-axis cylinder 312 drives the first fixed block 313 to move in the Z-axis direction, and XZ biaxial movement of the first fixed block 313 is realized. When the piston head of the first Z-axis cylinder 312 is pushed out, the first fixed surface of the first fixed block 313 approaches one end platform of the test platform 21, so as to realize clamping and fixing of one end of the FPC on the test platform 21.

[0038] In some embodiments, as shown in Figure 6 As shown, the second fixed module 32 includes a second Y-axis cylinder 321, a second Z-axis cylinder 322, and a second fixed block 323 provided with a second fixed surface; the second fixed block 323 is fixedly connected with the piston head of the second Z-axis cylinder 322, and the second Z-axis cylinder 322 is fixedly connected with the piston head of the second Y-axis cylinder 321.

[0039] In the embodiment, the second Y-axis cylinder 321 drives the second Z-axis cylinder 322 to move in the Y-axis direction, the second Z-axis cylinder 322 drives the second fixed block 323 to move in the Z-axis direction, and XZ biaxial movement of the second fixed block 323 is realized. When the piston head of the second Z-axis cylinder 322 is pushed out, the second fixed surface of the second fixed block 323 approaches the other end platform of the test platform 21, so as to realize clamping and fixing of the other end of the FPC on the test platform 21. It can be understood that the second Y-axis cylinder 321 can push the second fixed block 323 out to above the liquid crystal module placement platform 4, so as to realize fixing of the liquid crystal module by the second fixed surface and the plane of the liquid crystal module placement platform 4.

[0040] In some embodiments, the liquid crystal module placement platform 4 is provided with a backlight lamp on the side close to the test platform 21, and the backlight lamp is located below the test platform 21. The backlight lamp can meet the backlight detection requirement in FPC appearance detection.

[0041] In some embodiments, as shown in Figure 3 As shown, the test platform 21 is provided with a hollow through hole 211, and the size of the hollow through hole 211 is greater than the size of the first fixed surface. The first fixed surface of the first fixed block 313 can be inserted into the hollow through hole 211, so as to meet the test requirement of the FPC.

[0042] As an example but not limitation, the liquid crystal module is placed on the liquid crystal module placing platform 4, the FPC is positioned by the visual sensor 11, and according to the positioning result, the position of the test platform 21 is adjusted by the cooperative work of the X-axis moving module 222, the Y-axis moving module 223, the Z-axis moving module 224 and the rotating module 225 of the six-axis moving base 22, so that the FPC can be placed on the target position of the test platform 21; then the cooperative work of the first Y-axis cylinder 311 and the first Z-axis cylinder 312 of the first fixing module 31 and the cooperative work of the second Y-axis cylinder 321 and the second Z-axis cylinder 322 of the second fixing module 32 are controlled, so that the first fixing block 313 and the second fixing block 323 move towards the test platform 21 to clamp and fix the two ends of the FPC. The visual sensor 11 is used for appearance detection of the FPC, and then the Z-axis moving module 224 of the six-axis moving base 22 and the first Z-axis cylinder 312 of the first fixing module 31 are cooperatively and repeatedly moved in the Z-axis direction (the clamping and fixing of one end of the FPC is kept during the movement process), so that the other end of the FPC is repeatedly bent, and the bending test of the FPC is realized.

[0043] The technical features of the above-described embodiments can be combined in any manner. To make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, but as long as the combinations of the technical features do not exist contradictions, they should be considered as the scope of the present application.

[0044] The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, some modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A liquid crystal module FPC test mechanism, characterized by, The utility model provides a liquid crystal module testing device, including positioning assembly, position adjustment assembly, fixed component and liquid crystal module placement platform, positioning assembly includes visual sensor, position adjustment assembly includes test platform and six -axis mobile base, fixed component includes first fixed module and second fixed module, liquid crystal module placement platform is used for placing liquid crystal module, and the liquid crystal module is equipped with flexible circuit board FPC; Test platform with six -axis mobile base fixed connection, visual sensor is equipped with test platform top, and test platform is in the visual field range of visual sensor;Liquid crystal module placement platform with one end of test platform adjacent arrangement;The first fixed surface of first fixed module with one end plane of test platform opposite arrangement, the second fixed surface of second fixed module with the other end plane of test platform opposite arrangement.

2. The liquid crystal module FPC test mechanism according to claim 1, wherein, Six -axis mobile base includes double -deck support, X -axis movement module, Y -axis movement module, Z -axis movement module and rotation module, X -axis movement module includes X -axis drive part and first connecting piece, Y -axis movement module includes Y -axis drive part and second connecting piece, Z -axis movement module includes Z -axis drive part and third connecting piece, rotation module includes rotation drive part; X -axis drive part is equipped with the lower layer of double -deck support, and one end of first connecting piece is fixedly connected with the drive head of X -axis drive part, and the other end of first connecting piece is fixedly connected with rotation drive part;Rotation drive part is equipped with the lower layer of double -deck support, and the drive head of rotation drive part passes through the upper layer of double -deck support;One end of second connecting piece is fixedly connected with the drive head of rotation drive part, and the other end of second connecting piece is fixedly connected with Y -axis drive part;One end of third connecting piece is fixedly connected with the drive head of Y -axis drive part, and the other end of third connecting piece is fixedly connected with Z -axis drive part;Test platform with Z -axis drive part fixed connection.

3. The liquid crystal module FPC test mechanism of claim 2, wherein, First connecting piece and the lower layer of double -deck support sliding connection.

4. The liquid crystal module FPC test mechanism of claim 2, wherein, The upper layer of double -deck support is equipped with limit stop near one end of Y -axis drive part.

5. The liquid crystal module FPC test mechanism of claim 1, wherein, The positioning assembly further comprises a fill light, the fill light is arranged between the visual sensor and the test platform, and the fill light does not block the visual field range of the visual sensor.

6. The liquid crystal module FPC test mechanism of claim 1, wherein, The first fixed module comprises a first Y-axis cylinder, a first Z-axis cylinder, and a first fixing block, and the first fixing block is provided with a first fixing surface; the first fixing block is fixedly connected with the piston head of the first Z-axis cylinder, and the first Z-axis cylinder is fixedly connected with the piston head of the first Y-axis cylinder.

7. The liquid crystal module FPC test mechanism of claim 1, wherein, The second fixed module comprises a second Y-axis cylinder, a second Z-axis cylinder, and a second fixing block, and the second fixing block is provided with a second fixing surface; the second fixing block is fixedly connected with the piston head of the second Z-axis cylinder, and the second Z-axis cylinder is fixedly connected with the piston head of the second Y-axis cylinder.

8. The liquid crystal module FPC test mechanism of claim 1, wherein, The liquid crystal module placement platform is provided with a backlight lamp near one side of the test platform, and the backlight lamp is located below the test platform.

9. The liquid crystal module FPC test mechanism of claim 1, wherein, The test platform is provided with a hollow through hole, and the size of the hollow through hole is greater than the size of the first fixing surface.

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