CN218939634U

CN218939634U - Edge treatment adsorption fixture for COB micro-pitch packaged LED display device

Info

Publication number: CN218939634U
Application number: CN202320020329.9U
Authority: CN
Inventors: 张冬冬; 周召强; 张美兰
Original assignee: Shijiazhuang Chenri Electronic Technology Co ltd
Current assignee: Shijiazhuang Chenri Electronic Technology Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-04-28
Anticipated expiration: 2033-01-05

Abstract

The utility model relates to an edge treatment adsorption fixture for COB micro-pitch packaged LED display devices, and belongs to the technical field of LED display devices. An edge treatment adsorption fixture for COB micro-pitch packaged LED display devices comprises an adsorption plate and an adsorption gas hood; the adsorption gas hood is of a conical structure; the large opening end of the adsorption gas hood is fixedly provided with an adsorption plate, and the small opening end is communicated with a negative pressure gas source through a gas pipe; the surface of the adsorption plate is provided with adsorption air holes; the surface of the adsorption plate is also provided with video equipment for photographing the display device, and the video equipment transmits video information to a control system of the processing equipment. The utility model can be matched with precision equipment to finish the processing of high-precision products, the processing precision is less than or equal to 0.01 millimeter, the operation is simple, the production efficiency is high, and the utility model is more suitable for batch production.

Description

Edge treatment adsorption fixture for COB micro-pitch packaged LED display device

Technical Field

The utility model relates to an edge treatment adsorption fixture for COB micro-pitch packaged LED display devices, and belongs to the technical field of LED display devices.

Background

The COB micro-pitch packaged LED display device is formed by solidifying an LED chip on a metal printed circuit board and then packaging the LED chip by using special glue. After the LED chip is cured on the metal printed circuit board, a semi-finished product of the display device is obtained.

The external shape and size of the semi-finished display device are different from those of the finished display device, and the surface of the semi-finished display device is required to be processed, so that the surface accuracy of the semi-finished display device is improved. High precision CNC machining equipment and high precision surface milling equipment are required for machining, and clamping of the two equipment is not suitable for machining of display devices. The clamping is mainly suitable, and the display device is easily damaged by the clamping mode and clamping force. In addition, the determination of the processing parameters cannot be obtained after measurement, which is very inconvenient.

Disclosure of Invention

The utility model aims to provide an edge treatment adsorption fixture for COB micro-pitch packaged LED display devices, which solves the technical problems.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

an edge treatment adsorption fixture for COB micro-pitch packaged LED display devices comprises an adsorption plate and an adsorption gas hood; the adsorption gas hood is of a conical structure; the large opening end of the adsorption gas hood is fixedly provided with an adsorption plate, and the small opening end is communicated with a negative pressure gas source through a gas pipe; the surface of the adsorption plate is provided with adsorption air holes; the surface of the adsorption plate is also provided with video equipment for photographing the display device, and the video equipment transmits video information to a control system of the processing equipment.

The technical scheme is further improved as follows: the adsorption gas hood is of a rectangular pyramid structure, and the adsorption plate is of a rectangular structure.

The technical scheme is further improved as follows: the video equipment sets up four, is located four edges of adsorption plate and all sets up towards the center.

By adopting the technical scheme, the utility model has the following technical effects:

the utility model relates to an edge treatment adsorption fixture for a COB micro-pitch packaged LED display device, which is matched with high-precision CNC processing equipment and high-precision surface milling equipment for processing the display device, can realize high-efficiency processing, is simple to operate, has high production efficiency, and is very suitable for batch production.

The clamping device is provided with the video equipment, can photograph the display device to be processed, and then forms parameters to be processed and cut through system comparison data, and the high-precision CNC processing equipment and the high-precision surface milling equipment realize high-precision processing according to the obtained parameters, so that the processing precision is improved, and the processing efficiency is also improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a front view of the present utility model;

the device comprises an adsorption gas hood 1, an adsorption plate 2, an adsorption gas hole 3, an adsorption gas hole 4 and video equipment.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model relates to an edge treatment adsorption fixture for a COB (chip on board) micro-pitch packaged LED display device, which is applied to surface processing equipment of the LED display device to carry out edge treatment on the LED display device.

As shown in fig. 1 and 2, the suction jig includes a suction plate 2 and a suction hood 1. Wherein, the absorption gas hood 1 is the toper structure, and absorption gas hood 1 one end is big mouth, and the other end is the osculum. The large-mouth end of the adsorption gas hood 1 is fixedly provided with an adsorption plate 2, and the small-mouth end of the adsorption gas hood 1 is communicated with a negative pressure gas source through a gas pipe; the negative pressure air source is used for generating negative pressure in the adsorption gas hood 1. The adsorption air holes 3 are formed in the surface of the adsorption plate 2, so that when the display device to be processed is placed in the area of the adsorption air holes 3 on the adsorption plate 2, the part can be firmly fixed under the action of negative pressure. The adsorption air holes 3 are arranged in a plurality and are arrayed. Typically a rectangular array. The region where the adsorption air hole 3 is located at the center of the adsorption plate 2. The diameter of the adsorption air hole 3 is not very large and can be controlled to be about 1 mm.

The surface of the adsorption plate 2 is also provided with a video device 4, and the display device to be processed can be photographed through the video device 4, so that the external morphological dimension parameters of the display device are obtained. The video apparatus 4 transmits video information to a control system of the processing apparatus, and can analyze and obtain external morphological dimensional parameters of the display device. The video equipment 4 transmits the obtained external morphological dimension parameters of the display device to the control system, the control system compares the external morphological dimension parameters with the parameters of the finished product to obtain the parameters to be processed and cut, and the high-precision CNC processing equipment and the high-precision surface milling equipment process the display device with high precision according to the cutting parameters.

The suction hood 1 of the suction jig is generally provided in a rectangular pyramid structure, i.e., a rectangular shape at the large mouth end. The adsorption plate 2 is of a rectangular structure and is fixedly connected with the large opening end of the adsorption gas hood 1.

The four video devices 4 are arranged on four sides of the adsorption plate 2, and the four video devices are arranged towards the center to align with the region where the adsorption air holes 3 are positioned, so that the full-scale image shooting of all the position parts of the display device to be processed can be ensured, and the full-scale image shooting of all the position parts of the display device to be processed can be ensured

The adsorption clamp is used as a special clamp for processing the COB micro-space packaged LED display device, and is matched with high-precision CNC processing equipment and high-precision surface milling equipment. When the clamp is used, the COB micro-space packaging LED display device of the semi-finished product is firmly adsorbed, then the video equipment shoots, the data are compared through a computer, a cutting file is formed and transmitted to CNC processing equipment and high-precision surface milling equipment, and the COB flip-chip micro-space packaging LED display device is ensured to be in accordance with the requirement of a product assembling process through high-precision equipment processing.

The appearance processing of the COB flip-chip micro-pitch packaged LED display device is completed through the fixture. The utility model has the advantages that the utility model can be matched with precision equipment to finish the processing of high-precision products, the processing precision is less than or equal to 0.01 millimeter, the operation is simple, the production efficiency is high, and the utility model is more suitable for batch production.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a little interval encapsulation LED display device edge treatment of COB adsorbs anchor clamps which characterized in that: comprises an adsorption plate (2) and an adsorption gas hood (1); the adsorption gas hood (1) is of a conical structure; the large-mouth end of the adsorption gas hood (1) is fixedly provided with an adsorption plate (2), and the small-mouth end is communicated with a negative pressure gas source through a gas pipe; the surface of the adsorption plate (2) is provided with adsorption air holes (3); the surface of the adsorption plate (2) is also provided with a video device (4) for photographing the display device, and the video device (4) transmits video information to a control system of the processing device.

2. The edge processing and adsorbing fixture for a COB micro-pitch packaged LED display device according to claim 1, wherein: the adsorption gas hood (1) is of a rectangular pyramid structure, and the adsorption plate (2) is of a rectangular structure.

3. The edge processing and adsorbing fixture for the COB micro-pitch packaged LED display device of claim 2, wherein: the four video devices (4) are arranged on four sides of the adsorption plate (2) and are all arranged towards the center.