Vacuum adsorption detection jig

Abstract

The utility model relates to the technical field of jigs, in particular to a vacuum adsorption detection jig, which is characterized in that a downward concave jig supporting groove is arranged on a jig carrier plate, a profiling jig body is fixed in the jig supporting groove, and one side of an upper turning plate is hinged with one side of the jig carrier plate; a film clamping window is formed in the upper turning plate, a film pressing frame is arranged on the film clamping window, a transparent plastic film is clamped and fixed below the film pressing frame, and the transparent plastic film covers the whole film clamping window; and a plurality of vacuum exhaust holes are formed in the profiling jig body. Compared with the prior art, the vacuum adsorption detection jig provided by the utility model has the advantages that the backlight module product can be subjected to white dot detection in a pressed state, the situation is closer to the situation after assembly, the number of white dots can be better detected before assembly, the disassembly and rework actions are effectively avoided, the efficiency is improved, and the whole production takt is accelerated.

Description

Technical Field

[0001] The utility model relates to the technical field of jigs, and particularly relates to a vacuum adsorption detection jig.

Background Art

[0002] In the prior art, the backlight module can only be subjected to backlight white point detection after assembly. If the detection is unqualified, it needs to be disassembled and reworked, resulting in low efficiency and affecting the production rhythm.

Content of the Utility Model

[0003] In order to overcome the above problems, the utility model provides a vacuum adsorption detection jig that can effectively solve the above problems.

[0004] A technical solution provided by the utility model to solve the above technical problems is: to provide a vacuum adsorption detection jig, including a jig carrier plate, a profiling jig body and an upper turning plate. A jig support groove is arranged on the jig carrier plate and recessed downward. The profiling jig body is fixed in the jig support groove. One side of the upper turning plate is hinged to one side of the jig carrier plate. A film clamping window is arranged on the upper turning plate. A film pressing frame is arranged on the film clamping window. A transparent plastic film is clamped and fixed under the film pressing frame, and the transparent plastic film covers the entire film clamping window. A plurality of vacuum extraction holes are arranged on the profiling jig body.

[0005] Preferably, a hinge platform is arranged on the jig carrier plate, and a hinge block matching the hinge platform is arranged on the side of the upper turning plate. The hinge block and the hinge platform are connected by a rotating shaft.

[0006] Preferably, a limiting plate is arranged on the jig carrier plate, and an inclined surface is arranged on the limiting plate.

[0007] Preferably, an air extraction groove recessed downward is arranged on the profiling jig body, and the air extraction groove is communicated with the vacuum extraction holes.

[0008] Preferably, a gold finger connection block is arranged on the profiling jig body, and the gold finger connection block is used for electrical conduction with the backlight module product.

[0009] Preferably, a first magnetic attraction groove is arranged on the profiling jig body, and a second magnetic attraction groove corresponding to the first magnetic attraction groove is arranged at the bottom of the upper turning plate. Magnets with opposite magnetic poles are respectively arranged in the first magnetic attraction groove and the second magnetic attraction groove.

[0010] Preferably, a support step is arranged around the film clamping window, the film pressing frame is supported on the support step, and the transparent plastic film is clamped and fixed between the support step and the film pressing frame.

[0011] Preferably, a plurality of rotatable film pressing frame fixing parts are arranged on the upper turning plate.

[0012] Preferably, a sealing strip is provided around the bottom of the upper flap.

[0013] Preferably, a pressing block is provided at the bottom of the upper flap, and the position of the pressing block corresponds to the position of the gold finger connection block.

[0014] Compared with the prior art, the vacuum adsorption detection fixture of the present utility model can perform white dot detection on the backlight module product under a pressed state, which is closer to the scenario after assembly, can better detect the number of white dots before assembly, effectively avoid disassembly and rework operations, improve efficiency, and facilitate accelerating the overall production rhythm.

Description of the Drawings

[0015] Figure 1 is the overall view of the vacuum adsorption detection fixture of the present utility model;

[0016] Figure 2 is the exploded view of the vacuum adsorption detection fixture of the present utility model;

[0017] Figure 3 is the first three-dimensional view of the upper flap of the vacuum adsorption detection fixture of the present utility model;

[0018] Figure 4 is the second three-dimensional view of the upper flap of the vacuum adsorption detection fixture of the present utility model.

Detailed Embodiments

[0019] In order to make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0020] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present utility model are only relative positions on the specified view, rather than absolute positions.

[0021] In addition, the descriptions such as "first" and "second" in the present utility model are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, "plural" means at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0022] Please refer to Figures 1 to 4, the vacuum adsorption detection fixture of the present utility model includes a fixture carrier plate 10, a profiling fixture body 20 and an upper flip plate 30. A fixture support groove 11 recessed downward is provided on the fixture carrier plate 10. The profiling fixture body 20 is fixed in the fixture support groove 11. One side of the upper flip plate 30 is hinged to one side of the fixture carrier plate 10, and the upper flip plate 30 can be turned up and down around the hinge to open and close.

[0023] A film clamping window 31 is provided on the upper flip plate 30. A film pressing frame 39 is provided on the film clamping window 31. A transparent plastic film is clamped and fixed under the film pressing frame 39, and the transparent plastic film covers the entire film clamping window 31.

[0024] A number of vacuum extraction holes 21 are provided on the profiling fixture body 20 for vacuum extraction.

[0025] During operation, the backlight module product 25 is placed on the profiling fixture body 20. The upper flip plate 30 is closed downward. Vacuum is extracted. The transparent plastic film is deformed downward under negative pressure, applying pressure to the backlight module product 25 to simulate the assembled state. Then the backlight module product 25 is lit for white point detection.

[0026] The vacuum adsorption detection fixture of the present utility model can perform white point detection on the backlight module product 25 under a compressed state, which is closer to the assembled scenario. It can better detect the number of white points before assembly, effectively avoid disassembly and rework operations, improve efficiency, and help speed up the overall production rhythm.

[0027] An articulated platform 12 is provided on the fixture carrier plate 10. An articulated block 34 matching the articulated platform 12 is provided on the side of the upper flip plate 30. The articulated block 34 and the articulated platform 12 are connected by a rotating shaft.

[0028] A limiting plate 13 is provided on the fixture carrier plate 10. An inclined surface is provided on the limiting plate 13 to prevent the upper flip plate 30 from over-turning.

[0029] A downwardly recessed air extraction groove 22 is provided on the profiling fixture body 20. The air extraction groove 22 is connected to the vacuum extraction holes 21, which is beneficial to improving the vacuum extraction efficiency.

[0030] A gold finger connection block 23 is provided on the profiling fixture body 20. The gold finger connection block 23 is used for electrical conduction with the backlight module product 25 to light up the module.

[0031] A first magnetic attraction groove 24 is provided on the profiling fixture body 20. A second magnetic attraction groove 37 corresponding to the first magnetic attraction groove 24 is provided at the bottom of the upper flip plate 20. Magnets with opposite magnetic poles are respectively provided in the first magnetic attraction groove 24 and the second magnetic attraction groove 37 for magnetic attraction fixation.

[0032] A support step 32 is provided around the film clamping window 31, and the film pressing frame 39 is supported on the support step 32. The transparent plastic film is clamped and fixed between the support step 32 and the film pressing frame 39.

[0033] A number of rotatable film pressing frame fixing members 33 are provided on the upward turning plate 20, and the film pressing frame fixing members 33 are used to fix the film pressing frame 39.

[0034] A handle ear 35 is provided on the side of the upward turning plate 20 for easy turning.

[0035] A sealing strip 36 is provided around the bottom of the upward turning plate 20, which is beneficial to improving the sealing performance after closing and ensuring the vacuum pumping effect.

[0036] A pressing block 38 is provided at the bottom of the upward turning plate 20. The position of the pressing block 38 corresponds to the position of the gold finger connecting block 23, and is used to ensure the electrical conduction of the module.

[0037] Compared with the prior art, the vacuum adsorption detection fixture of the present utility model can perform white point detection on the backlight module product 25 under a pressed state, which is closer to the scenario after assembly, can better detect the number of white points before assembly, effectively avoid the disassembly and rework operations, improve the efficiency, and is beneficial to accelerating the overall production rhythm.

[0038] The above are only the preferred embodiments of the present utility model, and do not limit the patent scope of the present utility model. Any modifications, equivalent replacements, and improvements made within the concept of the present utility model shall be included within the patent protection scope of the present utility model.

Claims

1. Vacuum adsorption detection fixture, characterized in that: The jig carrier comprises a jig support plate, a profiling jig body and an upper flip plate. The jig carrier is provided with a downwardly concave jig support groove, the profiling jig body is fixed in the jig support groove, and one side of the upper flip plate is hinged to one side of the jig carrier plate. A film clamping window is provided on the upper flap, a film pressing frame is provided on the film clamping window, a transparent plastic film is clamped and fixed under the film pressing frame, and the transparent plastic film covers the entire film clamping window; A plurality of vacuum exhaust holes are provided on the profiling fixture body.

2. The vacuum adsorption detection fixture according to claim 1, characterized in that: The fixture carrier plate is provided with an articulated platform, and the side of the upper flip plate is provided with an articulated block matching the articulated platform, and the articulated block and the articulated platform are connected through a rotating shaft.

3. The vacuum adsorption detection fixture according to claim 1, characterized in that: A limit plate is provided on the fixture carrier plate, and an inclined surface is provided on the limit plate.

4. The vacuum adsorption detection fixture according to claim 1, characterized in that: The profiling fixture body is provided with a downwardly concave air extraction groove, which is communicated with the vacuum air extraction hole.

5. The vacuum adsorption detection fixture according to claim 1, characterized in that: The profiling fixture body is provided with a gold finger connection block, and the gold finger connection block is used for electrical conduction with the backlight module product.

6. The vacuum adsorption detection fixture according to claim 1, characterized in that: The profiling fixture body is provided with a first magnetic attraction groove, and the bottom of the upper flip plate is provided with a second magnetic attraction groove corresponding to the first magnetic attraction groove. Magnets with opposite magnetic poles are respectively provided in the first magnetic attraction groove and the second magnetic attraction groove.

7. The vacuum adsorption detection fixture according to claim 1, characterized in that: The periphery of the film clamping window is provided with a supporting step, the film pressing frame is supported on the supporting step, and the transparent plastic film is clamped and fixed between the supporting step and the film pressing frame.

8. The vacuum adsorption detection fixture according to claim 1, characterized in that: The upper flip plate is provided with a plurality of rotatable film pressing frame fixing parts.

9. The vacuum adsorption detection fixture according to claim 1, characterized in that: A circle of sealing strip is provided at the bottom of the upper flap.

10. The vacuum adsorption detection fixture according to claim 5, characterized in that: A pressing block is provided at the bottom of the upper flip plate, and the position of the pressing block corresponds to the position of the gold finger connecting block.

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