Detection mechanism for assembly tolerance and parallelism of backlight iron stand and glass cover plate of display screen

Abstract

The utility model discloses a detection mechanism for assembly tolerance and parallelism of a display screen backlight iron stand and a glass cover plate, which relates to the technical field of display screen detection and comprises an industrial camera used for acquiring images of vertical and horizontal fitting edge distance of two corners on one side of an assembly of the glass cover plate and the display screen backlight iron stand. The collected image is transmitted to the computer; the angle and the brightness of the side light source can be adjusted; and the positioning section platform is used for supporting the industrial camera and the side light source. According to the utility model, the angle and the brightness of the side light source can be conveniently adjusted by utilizing the side light source mounting frame, and the contrast ratio of the cover plate and the backlight iron frame can be optimal on an image acquired by the camera, so that the vertical and horizontal fitting edge distance of two corners on one side of an assembly part can be accurately obtained; and a computer can calculate the assembly tolerance specified by the product drawing to obtain the assembly deviation and the parallelism deviation and judge the test result.

Description

TECHNICAL FIELD

[0001] The utility model belongs to display screen detection technical field, concretely relates to display screen backlight iron stand and glass cover plate assembly tolerance and parallelism's detection mechanism. BACKGROUND

[0002] When detecting display screen module bonding precision, need through manual to two dimension measuring instrument to detect, one product needs to measure to get the vertical level bonding margin of two corners of one side of the assembly of glass cover plate and display screen backlight iron stand and calculates the assembly deviation and parallelism deviation, two dimension measuring instrument can only measure one margin, it is very troublesome, and the efficiency is low.

[0003] Such as China utility model patent (CN211576080U) a high-precision two dimension measuring instrument, application in size measurement field, solve the problem of two dimension measuring instrument measurement precision is not high;Including base, the base top is provided with rack, the bottom of rack is provided with the knob wheel, the rack is provided with data display screen, the one side of rack is provided with longitudinal guide slot, longitudinal guide slot is provided with measuring needle, still include measuring mechanism, measuring mechanism includes measuring table, the bottom of measuring table is provided with fixed frame, measuring table sliding connection is in fixed frame, the one end of measuring table close to rack is provided with gantry, the crosspiece of gantry is provided with sliding, sliding block detachable connection, the bottom of sliding block is provided with connecting plate, sliding block and connecting plate between be provided with the gear rotation mechanism for connecting plate rotation, the both sides of connecting plate are provided with connecting rod, connecting rod can along connecting plate moves, the one end of connecting rod is provided with limit plate.

[0004] In order to solve the problem that two dimension measuring instrument can only measure one margin, it is very troublesome, and the efficiency is low, the patent designs a detection mechanism, can quickly measure and judge the result, greatly improve production efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problem that two dimension measuring instrument can only measure one margin, it is very troublesome, and the efficiency is low, provides display screen backlight iron stand and glass cover plate assembly tolerance and parallelism's detection mechanism.

[0006] The utility model is realized through the following technical schemes: display screen backlight iron stand and glass cover plate assembly tolerance and parallelism's detection mechanism, including:

[0007] Industrial camera, the industrial camera is used for gathering the image of the vertical level bonding margin of two corners of one side of the assembly of glass cover plate and display screen backlight iron stand, and the gathered image is transmitted to computer;

[0008] Side light source, the side light source can adjust its angle and brightness, is used for adjusting the contrast of glass cover plate and display screen backlight iron stand to be best;

[0009] A positioning cutting platform is used to support the industrial camera and the side light source to meet the adjustment of the position and angle of the industrial camera and the side light source.

[0010] As a preferred embodiment of the display screen backlight iron frame and glass cover plate assembly tolerance and parallelism detection mechanism provided by the utility model, the upper end face rear side of the positioning cutting platform is fixedly installed with a support column, and the front face of the support column is provided with a camera installation cross beam and a side light source installation cross beam.

[0011] As a preferred embodiment of the display screen backlight iron frame and glass cover plate assembly tolerance and parallelism detection mechanism provided by the utility model, both ends of the camera installation cross beam are symmetrically installed with two camera installation racks, and the front end of the camera installation rack is installed with an industrial camera.

[0012] As a preferred embodiment of the display screen backlight iron frame and glass cover plate assembly tolerance and parallelism detection mechanism provided by the utility model, the front end of the side light source installation cross beam is installed with a side light source through two side light source installation racks.

[0013] As a preferred embodiment of the display screen backlight iron frame and glass cover plate assembly tolerance and parallelism detection mechanism provided by the utility model, the side light source is a strip-shaped light source.

[0014] As a preferred embodiment of the display screen backlight iron frame and glass cover plate assembly tolerance and parallelism detection mechanism provided by the utility model, the side light source installation rack comprises a fixing rack and an adjusting rack, one end of the fixing rack is fixedly installed on the side light source installation cross beam, and the other end is rotationally connected with the middle part of the adjusting rack through a rotating shaft; the middle part of the fixing rack is further provided with an arc-shaped through hole, a fastening bolt is arranged in the arc-shaped through hole, and the inner end of the fastening bolt is threadedly connected with the adjusting rack through the arc-shaped through hole.

[0015] As a preferred embodiment of the display screen backlight iron frame and glass cover plate assembly tolerance and parallelism detection mechanism provided by the utility model, the fixing rack is in an L-shaped structure.

[0016] As a preferred embodiment of the display screen backlight iron frame and glass cover plate assembly tolerance and parallelism detection mechanism provided by the utility model, the adjusting rack is in a flat plate structure.

[0017] As a preferred embodiment of the display screen backlight iron frame and glass cover plate assembly tolerance and parallelism detection mechanism provided by the utility model, the adjusting rack is provided with a rotating shaft hole and a threaded hole, the rotating shaft hole is used for installing a rotating shaft, and the threaded hole is used for connecting with the fastening bolt.

[0018] Compared with the prior art, the utility model has the following advantages:

[0019] The utility model discloses a side light source mounting frame can conveniently adjust the angle and brightness of side light source, and the contrast of cover plate and back light iron stand reaches the best on the image of camera collection, thereby accurately obtains the vertical level of two corners of assembly part one side and sticks margin, so that computer calculates its assembly tolerance with product drawing and judges the test result. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is structure schematic diagram of display screen back light iron stand and glass cover plate assembly tolerance and parallelism detection mechanism;

[0021] Figure 2 It is front view of display screen back light iron stand and glass cover plate assembly tolerance and parallelism detection mechanism;

[0022] Figure 3 It is Figure 1 enlarged structure schematic diagram of A in middle;

[0023] Figure 4 It is structure schematic diagram of adjusting frame in display screen back light iron stand and glass cover plate assembly tolerance and parallelism detection mechanism.

[0024] Marked number in drawing:

[0025] Positioning section table;

[0026] Supporting column;

[0027] Camera installation crossbeam;

[0028] Side light source installation crossbeam;

[0029] Camera mounting frame;

[0030] Industrial camera;

[0031] Side light source;

[0032] Side light source mounting frame;81, fixed frame;82, arc-shaped through hole;83, fastening bolt;84, rotating shaft;85, adjusting frame;851, rotating shaft hole;852, screw hole;

[0033] 9, product. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0035] As described in the background, in the detection module fitting precision, the two-dimensional measuring instrument can only measure one edge margin at a time, which is very troublesome and inefficient.

[0036] In order to solve this technical problem, the utility model provides a kind of display screen backlight iron stand and glass cover plate assembly tolerance and parallelism detection mechanism, specifically, please refer to Figures 1-4 , display screen backlight iron stand and glass cover plate assembly tolerance and parallelism detection mechanism, comprising:

[0037] Industrial camera 6, industrial camera 6 is used to collect the image of the vertical horizontal fitting edge margin of the assembly of glass cover plate and display screen backlight iron stand one side two corners, and the collected image is transmitted to computer;

[0038] Side light source 7, side light source 7 can adjust its angle and brightness, for adjusting the contrast of glass cover plate and display screen backlight iron stand to best;

[0039] Positioning cutting platform 1, positioning cutting platform 1 is used to support industrial camera 6 and side light source 7, to meet the adjustment of the position and angle of industrial camera 6 and side light source 7.

[0040] The utility model discloses a kind of industrial camera 6 and side light source 7, and the position and angle of industrial camera 6 and side light source 7 are supported and adjusted by positioning cutting platform 1, the contrast of cover plate and backlight iron stand reaches best on the image collected by camera, to accurately obtain the vertical horizontal fitting edge margin of the assembly of glass cover plate and display screen backlight iron stand one side two corners, so that computer calculates its assembly tolerance specified by product 9 drawing to obtain its assembly deviation and parallelism deviation and judges test result.

[0041] Please refer to Figures 1-2 , display screen backlight iron stand and glass cover plate assembly tolerance and parallelism detection mechanism, comprising: industrial camera 6, industrial camera 6 is used to collect the image of the vertical horizontal fitting edge margin of the assembly of glass cover plate and display screen backlight iron stand one side two corners, and the collected image is transmitted to computer;

[0042] Side light source 7, side light source 7 can adjust its angle and brightness, for adjusting the contrast of glass cover plate and display screen backlight iron stand to best;

[0043] Positioning cutting platform 1 is used for supporting industrial camera 6 and side light source 7 to meet the adjustment of the position and angle of industrial camera 6 and side light source 7

[0044] The upper end face rear side of positioning cutting platform 1 is fixedly installed with support column 2, and the front face of support column 2 is provided with camera installation beam 3 and side light source installation beam 4.

[0045] Two camera installation frames 5 are symmetrically installed at the two ends of camera installation beam 3, and industrial camera 6 is installed at the front end of camera installation frame 5.

[0046] Side light source 7 is installed at the front end of side light source installation beam 4 through two side light source installation frames 8; side light source 7 is a strip-shaped light source, and the brightness can be adjusted.

[0047] The embodiment can stably support industrial camera 6 and side light source 7 through support column 2, camera installation beam 3 and side light source installation beam 4 on positioning cutting platform 1, and the angle and position of side light source 7 can be adjusted through side light source installation frame 8, and the brightness of side light source 7 can be adjusted, so that the contrast of the cover plate and the backlight iron stand on the image collected by the camera is best.

[0048] The detection mechanism for the assembly tolerance and parallelism of the display screen backlight iron stand and the glass cover plate provided in embodiment 1 is further optimized, and specifically, refer to Figures 3-4 , side light source installation frame 8 includes fixed frame 81 and adjusting frame 85, one end of fixed frame 81 is fixedly installed on side light source installation beam 4, and the other end is rotationally connected with the middle part of adjusting frame 85 through rotating shaft 84; the middle part of fixed frame 81 is also provided with arc-shaped through hole 82, and fastening bolt 83 is arranged in arc-shaped through hole 82; the inner end of fastening bolt 83 is screw-connected with adjusting frame 85 through arc-shaped through hole 82.

[0049] Fixed frame 81 is in L-shaped structure, and adjusting frame 85 is in flat plate structure.

[0050] Adjusting frame 85 is provided with rotating shaft hole 851 and screw hole 852, rotating shaft hole 851 is used for installing rotating shaft 84, and screw hole 852 is used for connecting with fastening bolt 83.

[0051] The embodiment can conveniently adjust the angle of side light source 7 by rotating adjusting frame 85 to rotate around rotating shaft 84 and relatively fixing fixed frame 81 and adjusting frame 85 through fastening bolt 83, and the position of side light source 7 can be adjusted by adjusting the installation position of fixed frame 81 on side light source installation beam 4.

[0052] The use process of the utility model is as follows:

[0053] First, the product 9 is installed on the upper end face of the positioning cutting platform 1, and according to the size of the product 9, two industrial cameras 6 are installed on the camera mounting beam 3 through the camera mounting frame 5, and the position, angle and brightness of the side light source 7 can be conveniently adjusted through the side light source mounting frame 8, so that the contrast of the cover plate and the backlight iron stand is best on the image collected by the camera, thereby accurately obtaining the vertical and horizontal fitting margin of the two corners of the assembly on one side, so that the computer calculates the assembly deviation and parallelism deviation thereof with the assembly tolerance specified in the drawing of the product 9, and judges the test result.

[0054] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another, and do not necessarily require or imply that these entities or operations exist in any such actual relationship or order. Moreover, the terms "comprise", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the statement "comprising a limited element" does not exclude the existence of other identical elements in the process, method, article or equipment including the element.

[0055] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A mechanism for detecting assembly tolerance and parallelism of a back light iron frame and a glass cover plate of a display screen, characterized in that, The utility model relates to a kind of industrial camera and side light source for the assembly of glass cover plate and display screen backlight iron stand, and positioning cutting platform for supporting industrial camera and side light source. Industrial camera (6) is used for collecting the image of the vertical horizontal adhesion margin of two corners of the assembly of glass cover plate and display screen backlight iron stand one side, and the collected image is transmitted to computer; Side light source (7) can adjust its angle and brightness, and is used for adjusting the contrast of glass cover plate and display screen backlight iron stand to be best; Positioning cutting platform (1) is used to support industrial camera (6) and side light source (7), to meet the adjustment of position and angle of industrial camera (6) and side light source (7).

2. The display screen backlighting rack and glass cover plate assembly tolerance and parallelism detection mechanism of claim 1, wherein, The upper end surface rear side of the positioning cutting platform (1) is fixedly installed with support column (2), and the front of the support column (2) is provided with camera installation beam (3) and side light source installation beam (4).

3. The display screen backlighting rack and glass cover plate assembly tolerance and parallelism detection mechanism of claim 2, wherein, Two camera mounting frames (5) are symmetrically installed at the both ends of the camera installation beam (3), and the front end of the camera mounting frame (5) is installed with industrial camera (6).

4. The display screen backlighting rack and glass cover plate assembly tolerance and parallelism detection mechanism of claim 2, wherein, The front end of the side light source installation beam (4) is installed with side light source (7) through two side light source mounting frames (8).

5. The display screen backlighting rack and glass cover plate assembly tolerance and parallelism detection mechanism of claim 4, wherein, The side light source (7) is strip light source.

6. The display screen backlighting rack and glass cover plate assembly tolerance and parallelism detection mechanism of claim 4, wherein, The side light source mounting frame (8) includes fixed frame (81) and adjusting frame (85), one end of the fixed frame (81) is fixedly installed on side light source installation beam (4), and the other end is rotatably connected with the middle part of adjusting frame (85) through pivot (84);Arc-shaped through hole (82) is further provided in the middle part of the fixed frame (81), and fastening bolt (83) is arranged in the arc-shaped through hole (82), and the inner end of the fastening bolt (83) is threadedly connected with adjusting frame (85) by passing through arc-shaped through hole (82).

7. The display screen backlighting rack and glass cover plate assembly tolerance and parallelism detection mechanism of claim 6, wherein, The fixed frame (81) is in L-shaped structure.

8. The display screen backlighting rack and glass cover plate assembly tolerance and parallelism detection mechanism of claim 6, wherein, The adjusting frame (85) is in flat plate structure.

9. The display screen backlighting rack and glass cover plate assembly tolerance and parallelism detection mechanism of claim 8, wherein, Threaded hole (852) and pivot hole (851) are arranged on the adjusting frame (85), the pivot hole (851) is used to install pivot (84), and the threaded hole (852) is used to connect with fastening bolt (83).

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