CN220872526U

CN220872526U - Mini LED direct type backlight module detection device

Info

Publication number: CN220872526U
Application number: CN202322546905.6U
Authority: CN
Inventors: 甘彩旺
Original assignee: Shenzhen Hongpuxin Electronic Science And Technology Co ltd
Current assignee: Shenzhen Hongpuxin Electronic Science And Technology Co ltd
Priority date: 2023-09-19
Filing date: 2023-09-19
Publication date: 2024-04-30
Anticipated expiration: 2033-09-19

Abstract

The utility model relates to a Mini LED direct type backlight module detection device, which comprises a detection platform, wherein a second L-shaped support plate is arranged on the upper end surface of the detection platform, and the end part of a guide rod at the output end of a second guide rod cylinder arranged on the second L-shaped support plate is connected with a group of spring clamping mechanisms. This Mini LED straight following formula backlight unit detection device possesses the advantages such as reduce wearing and tearing, be adapted to not product of equidimension, more stable centre gripping, through the extrusion of setting between inclined plane and the product of clamp splice lower extreme, make four clamp splice inwards slide, the extrusion of clamp splice is accomplished to the compression through the compression spring that sets up, make four clamp splice finally accomplish the centre gripping to the product, compression and resilience through the compression spring, make the centre gripping of the product of four clamp splice adaptable different specification sizes, compare in the propelling movement product in quoted file, the device has avoided the wearing and tearing problem of thrust unit to annular transparent circle, the life of equipment has been prolonged, maintenance cost has been reduced, moreover, the device can be adapted to the product of equidimension.

Description

Mini LED direct type backlight module detection device

Technical Field

The utility model relates to the technical field of machine vision application and vision software algorithm application, in particular to a Mini LED direct type backlight module detection device.

Background

The backlight module is an important component of the liquid crystal display device. The light source of the current backlight module mainly comprises a Light Emitting Diode (LED) array, and is divided into a direct type and a measuring type. The Mini LED surface light source (direct type) has a smaller chip size, and the distance between two adjacent chips (light sources) is smaller, so that the HDR display can be realized by partitioning the light sources as a next-generation display product.

The current Mini LED direct type backlight source can also be called as a Mini LED direct type backlight module, due to the fact that the thickness of the Mini LED direct type backlight source is thicker than that of a traditional measured backlight source due to the fact that the light mixing distance range is high, the existing partial manufacturers develop a transparent and reflective film to achieve the effect of thinning the Mini LED direct type backlight source, particularly, a pattern film material with the same pitch as an LED chip, namely a transparent and reflective film is manufactured right above a light panel Mini LED light source, the transparent and reflective film comprises pattern transparent and reflective layers which are arranged in an array mode and used for weakening the light intensity of the light emitted from right above the Mini LED light source, and therefore the uniform light emitting effect of the whole Mini LED light source is achieved. The transparent and reflective film is formed by dispensing special material glue points on the upper part of the chip by a glue dispenser to form lower called glue points.

According to the chinese published patent with the patent publication number CN213762896U, a device for detecting a Mini LED direct type backlight module is pointed out, the device comprises a detection platform, an automatic feeding device is arranged at the top of the detection platform, an appearance detection mechanism, a good product collecting mechanism and a defective product collecting mechanism are arranged on the inner side of the first inverted L-shaped support plate, the automatic feeding device comprises a square installation panel, an electric rotating table, a plurality of support columns, an annular fixing ring and an annular transparent ring, the appearance detection mechanism comprises an inverted L-shaped support plate, a line scanning camera, a rectangular horizontal substrate and a line light source, the good product collecting mechanism and the defective product collecting mechanism all comprise a first inverted L-shaped support plate and a second inverted L-shaped support plate, a first cylinder, a fixing block, a second cylinder, a pushing plate fixedly connected with the end part of a piston rod of the second cylinder and a collecting groove arranged at the top of the detection platform, and the device is convenient for automatic feeding, detection and classified collection of materials, high detection speed and high detection efficiency.

When the cited document is used, certain use defects still exist, namely, in the patent, a second air cylinder pushes the pushing plate to push a product positioned on the annular transparent ring into the collecting tank, after the product is frequently and repeatedly pushed, friction is carried out between the pushing plate and the annular transparent ring, the surface of the annular transparent ring is worn, so that the service life of equipment is shortened, and the Mini LED direct type backlight module detection device is provided to solve the problems.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a Mini LED direct type backlight module detection device which has the advantages of reducing abrasion, being suitable for products with different sizes, being more stable in clamping and the like, and solves the problems of abrasion and maintenance cost.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the Mini LED direct type backlight module detection device comprises a detection platform, wherein an installation table is installed on the upper end face of the detection platform, and an electric rotating table is installed on the upper end face of the installation table;

A second L-shaped support plate is arranged on one side of the upper end surface of the detection platform, a first guide rod cylinder is arranged on the inner side of the upper end of the second L-shaped support plate, a slide block is connected with the end part of a guide rod at the output end of the first guide rod cylinder, the sliding block is slidably arranged at the upper end of the second L-shaped support plate, the lower end face of the sliding block is connected with a second guide rod cylinder, and the end part of a guide rod at the output end of the second guide rod cylinder is connected with a group of spring clamping mechanisms; wherein the method comprises the steps of

The spring clamping mechanism comprises a sealing plate connected with the end part of the guide rod at the output end of the second guide rod cylinder, four limiting blocks are arranged on the lower end face of the sealing plate in a rectangular mode, the four limiting blocks are fixed with the sealing plate through four positioning columns, a slide way is formed between every two adjacent limiting blocks at intervals and between every two adjacent limiting blocks, four clamping blocks are arranged in the slide way in a sliding mode, and inclined planes are formed in the bottoms of the clamping blocks.

Further, a side limiting plate is arranged between every two adjacent limiting blocks respectively, the side limiting plates are distributed at four outer outlets of the slide way in a cross shape, and the side limiting plates are fixed on the two adjacent limiting blocks through a plurality of hexagon bolts.

Further, four clamping blocks are provided with a compression spring in a hooked mode on one side, the other ends of the four compression springs are tightly abutted against one adjacent side limiting plate, one side of each compression spring is provided with a limiting column in a penetrating mode, and the four limiting columns extend into the clamping blocks on the inner side respectively.

Further, a jacking column and a material collecting box are arranged on one side of the second L-shaped support plate, and the jacking column is located at the upper end of the material collecting box.

Further, the electric rotating table upper end face is annular equidistance and arranges a plurality of support columns, a plurality of the support column up end supports jointly and connects an annular retainer plate, the outside cover of annular retainer plate is equipped with an annular transparent circle, annular transparent circle upper end is annular equidistance and is arranged and is equipped with a plurality of square transparent trays.

Further, a first L-shaped support plate is arranged on one side of the upper end face of the detection platform, a line scanning camera is arranged on the inner side of the upper end of the first L-shaped support plate, a rectangular horizontal substrate is arranged on one side of the first L-shaped support plate, and a line light source is arranged on the upper end face of the rectangular horizontal substrate.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

This Mini LED straight following formula backlight unit detection device, mutually support through the subassembly between the spring fixture that sets up in, the user controls the second guide arm cylinder and drives spring fixture downwards, make four clamp splice that are cross distribution press down, through the extrusion between inclined plane and the product that sets up at the clamp splice lower extreme, make four clamp splice inwards slide in the slide, the extrusion of clamp splice is pressed through the compression spring that sets up, make four clamp splice finally accomplish the centre gripping to the product, simultaneously through compression spring's compression and resilience, make the centre gripping of the product of four clamp splice adaptable different specification sizes, compare in the propelling movement product in quote file, the device has avoided thrust unit to the wearing and tearing problem of annular transparent circle, the life of equipment has been prolonged, maintenance cost has been reduced, moreover, the device can be adapted to the product of equidimension not, and is wider in adaptability.

Drawings

FIG. 1 is a schematic view of the overall installation structure of the present utility model;

FIG. 2 is a schematic view of a spring clamping mechanism and a second L-shaped support plate mounting structure of the utility model;

FIG. 3 is a schematic view of a spring clamping mechanism according to the present utility model;

FIG. 4 is a schematic view of a spring clamping mechanism of the present utility model in a disassembled configuration;

Fig. 5 is a schematic view of the overall installation structure of the present utility model.

In the figure: 1. a detection platform; 2. a mounting table; 3. an electric rotating table; 31. a support column; 32. an annular fixing ring; 33. an annular transparent ring; 34. square transparent tray; 4. a first L-shaped support plate; 41. a line scan camera; 42. a rectangular horizontal substrate; 43. a line light source; 5. a second L-shaped support plate; 51. a first guide rod cylinder; 52. a slide block; 53. a second guide rod cylinder; 54. a top column; 55. a material collecting box; 6. a spring clamping mechanism; 60. a sealing plate; 61. a limiting block; 610. a slideway; 611. positioning columns; 62. clamping blocks; 63. a compression spring; 64. a side limiting plate; 641. and a limit column.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a Mini LED direct type backlight module detection device in this embodiment includes a detection platform 1, an installation platform 2 is installed on an upper end surface of the detection platform 1, and an electric rotary platform 3 is installed on an upper end surface of the installation platform 2;

The detection platform 1 is characterized in that a second L-shaped support plate 5 is arranged on one side of the upper end surface of the detection platform 1, a first guide rod cylinder 51 is arranged on the inner side of the upper end of the second L-shaped support plate 5, a slide block 52 is connected to the end part of a guide rod at the output end of the first guide rod cylinder 51, the slide block 52 is slidably arranged on the upper end of the second L-shaped support plate 5, a second guide rod cylinder 53 is connected to the lower end surface of the slide block 52, and the end part of the guide rod at the output end of the second guide rod cylinder 53 is connected with a group of spring clamping mechanisms 6; wherein: the spring clamping mechanism 6 comprises a sealing plate 60 connected with the end part of the guide rod at the output end of the second guide rod cylinder 53, four limiting blocks 61 are distributed on the lower end surface of the sealing plate 60 in a rectangular shape, the four limiting blocks 61 are fixed with the sealing plate 60 through four positioning posts 611, a space is reserved between two adjacent limiting blocks 61, a slide way 610 is formed between the four limiting blocks 61, four clamping blocks 62 are arranged in the slide way 610 in a sliding manner, and inclined surfaces are arranged at the bottoms of the four clamping blocks 62;

A side limiting plate 64 is arranged between two adjacent limiting blocks 61 respectively, the side limiting plates 64 are distributed at four external outlets of the slideway 610 in a cross shape, the side limiting plates 64 are fixed on the two adjacent limiting blocks 61 through a plurality of hexagon bolts, one sides of four clamping blocks 62 are all hooked with a compression spring 63, the other ends of the four compression springs 63 are tightly abutted against one side limiting plate 64 adjacent to the compression spring 63, one sides of the four compression springs 63 are all penetrated with a limiting post 641, the four limiting posts 641 extend into the clamping blocks 62 penetrating to the inner side respectively, a jacking post 54 and a collecting box 55 are mounted on one side of the second L-shaped supporting plate 5, and the jacking post 54 is positioned at the upper end of the collecting box 55.

In this embodiment, the second guide rod cylinder 53 is controlled to make the guide rod at the output end drive the set spring clamping mechanism 6 downwards, when the set four guide rod cylinders 62 are propped against the product on the annular transparent ring 33, the inclined planes at the lower ends of the guide rod cylinders 62 are contacted with the product, so that the four guide rod cylinders 62 slide inwards in the slideway 610, the compression springs 63 arranged at one sides of the guide rod cylinders 62 are used for compressing the rebound of the guide rod 62, so that the four guide rod cylinders 62 clamp the product below, then the set first guide rod cylinder 51 is controlled to retract the guide rod at the output end, the sliding block 52 connected with the guide rod at the output end of the first guide rod cylinder 51, the second guide rod cylinder 53 below the sliding block 52 and the spring clamping mechanism 6 connected with the guide rod at the output end of the second guide rod cylinder 53 are driven, when the upper part of the material collecting box 55 is reached, the set top column 54 is used for contracting the guide rod upwards, the product clamped by the four guide rod cylinders 62 is separated from the clamping block 62 and falls into the material collecting box 55, the annular ring device is pushed by the four guide rod cylinders 62, the abrasion of the annular device is avoided, and the service life of the device is reduced, and the service life of the device is prolonged.

Referring to fig. 4-5, for facilitating product detection, in this embodiment, the upper end surface of the electric rotating table 3 is provided with a plurality of support columns 31 in an annular equidistant row, the upper end surfaces of the plurality of support columns 31 are supported and connected with an annular fixing ring 32, an annular transparent ring 33 is sleeved outside the annular fixing ring 32, the upper end surface of the annular transparent ring 33 is provided with a plurality of square transparent trays 34 in an annular equidistant row, one side of the upper end surface of the detecting platform 1 is provided with a first L-shaped support plate 4, the inner side of the upper end of the first L-shaped support plate 4 is provided with a line scanning camera 41, one side of the first L-shaped support plate 4 is provided with a rectangular horizontal substrate 42, and the upper end surface of the rectangular horizontal substrate 42 is provided with a line light source 43.

In this embodiment, through control electric turntable 3 for four support columns 31 of electric turntable 3 top drive the annular retainer plate 32 that the upper end was supported jointly and rotate, and the annular retainer plate 32 outside of setting is fixed with annular transparent circle 33, drives the product of annular transparent circle 33 and annular transparent circle 33 top when annular retainer plate 32 rotates, and annular transparent circle 33 is transparent, and when the line that sets up sweeps camera 41 to detect annular transparent circle 33, the rectangular horizontal base plate 42 of below shines, and transparent setting is more convenient for detect.

The working principle of the embodiment is as follows:

When a user detects an unqualified product by using the arranged line scanning camera 41, firstly, the arranged first guide rod air cylinder 51 and the second guide rod air cylinder 53 are connected with an external air source, an output pressure value is given to the air cylinders, then, the second guide rod air cylinder 53 is controlled to enable a guide rod at the output end to downwards drive the arranged spring clamping mechanism 6, when the arranged four clamping blocks 62 are propped against the product on the annular transparent ring 33, inclined planes arranged at the lower end of the clamping blocks 62 are contacted with the product, so that the four clamping blocks 62 slide inwards in the slideway 610, the compression springs 63 arranged at one side of the clamping blocks 62 are used for compressing the rebound of the clamping blocks 62, the four clamping blocks 62 clamp the product below, then, the first guide rod air cylinder 51 is controlled to retract the guide rod at the output end, the sliding block 52 connected with the guide rod at the output end of the first guide rod air cylinder 51 and the spring clamping mechanism 6 connected with the guide rod at the output end of the second guide rod air cylinder 53 are controlled, when the inclined planes arranged at the upper part of the clamping box 55 are reached, the second guide rod air cylinder 53 is controlled to upwards retract the clamping blocks 62, and the product is separated from the clamping box 55 by the compression springs arranged at the upper end of the clamping blocks 62, and the four guide rod cylinders are separated from the clamping blocks 62 are clamped by the compression cylinders.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a straight following formula backlight unit detection device of Mini LED, includes testing platform (1), mount table (2) are installed to testing platform (1) up end, electric turntable (3), its characterized in that are installed to mount table (2) up end:

the detection platform comprises a detection platform body, and is characterized in that a second L-shaped support plate (5) is arranged on one side of the upper end face of the detection platform body (1), a first guide rod cylinder (51) is arranged on the inner side of the upper end of the second L-shaped support plate (5), a sliding block (52) is arranged at the end part of the guide rod of the output end of the first guide rod cylinder (51), the sliding block (52) is slidably arranged at the upper end of the second L-shaped support plate (5), a second guide rod cylinder (53) is arranged at the lower end face of the sliding block (52) in a connecting mode, and the end part of the guide rod of the output end of the second guide rod cylinder (53) is connected with a group of spring clamping mechanisms (6); wherein the method comprises the steps of

The spring clamping mechanism (6) comprises a sealing plate (60) connected with the end part of the guide rod at the output end of the second guide rod cylinder (53), four limiting blocks (61) are arranged on the lower end face of the sealing plate (60) in a rectangular mode, the four limiting blocks (61) are fixed with the sealing plate (60) through four positioning columns (611), a slide way (610) is formed between every two adjacent limiting blocks (61) at intervals and between every two limiting blocks (61), four clamping blocks (62) are arranged in the slide way (610) in a sliding mode, and inclined planes are formed in the bottoms of the four clamping blocks (62).

2. The Mini LED direct type backlight module detection device according to claim 1, wherein: a side limiting plate (64) is arranged between two adjacent limiting blocks (61) respectively, the side limiting plates (64) are distributed at four outer outlets of the slide way (610) in a cross shape, and the side limiting plates (64) are fixed on the two adjacent limiting blocks (61) through a plurality of hexagon bolts.

3. The Mini LED direct type backlight module detection device according to claim 1, wherein: four clamping blocks (62) one side all hook joint is equipped with a compression spring (63), four the other end of compression spring (63) all tightly support rather than adjacent one side limiting plate (64), four compression spring (63) one side all runs through and is equipped with a spacing post (641), four spacing post (641) extend respectively run through to in the inboard clamping block (62).

4. The Mini LED direct type backlight module detection device according to claim 1, wherein: a jacking column (54) and a material collecting box (55) are arranged on one side of the second L-shaped support plate (5), and the jacking column (54) is located at the upper end of the material collecting box (55).

5. The Mini LED direct type backlight module detection device according to claim 1, wherein: the electric rotating table is characterized in that a plurality of support columns (31) are arranged on the upper end face of the electric rotating table (3) at equal intervals in an annular mode, a plurality of annular fixing rings (32) are supported and connected on the upper end faces of the support columns (31) together, an annular transparent ring (33) is sleeved outside the annular fixing rings (32), and a plurality of square transparent trays (34) are arranged on the upper end face of the annular transparent ring (33) at equal intervals in an annular mode.

6. The Mini LED direct type backlight module detection device according to claim 1, wherein: a first L-shaped support plate (4) is arranged on one side of the upper end face of the detection platform (1), a line scanning camera (41) is arranged on the inner side of the upper end of the first L-shaped support plate (4), a rectangular horizontal substrate (42) is arranged on one side of the first L-shaped support plate (4), and a line light source (43) is arranged on the upper end face of the rectangular horizontal substrate (42).