WO2021175084A1

WO2021175084A1 - Crimping jig and detection device

Info

Publication number: WO2021175084A1
Application number: PCT/CN2021/075335
Authority: WO
Inventors: 王轩; 张滨
Original assignee: 深圳精智达技术股份有限公司
Priority date: 2020-03-06
Filing date: 2021-02-04
Publication date: 2021-09-10
Also published as: CN111244719A

Abstract

Disclosed in the present application are a crimping jig and a detection device; the crimping jig comprises a mounting base and a crimping mechanism; the mounting base is configured to have a display panel placed thereon; the crimping mechanism comprises a guide rail disposed on the mounting base, a pressing plate assembly disposed on the guide rail, and a fitting assembly disposed on the mounting base and the pressing plate assembly; and the fitting assembly is configured to drive the pressing plate assembly to move along the guide rail in a direction near to the mounting base so as to crimp a circuit board to the display panel.

Description

Crimping fixture and testing equipment

This application claims the priority of a Chinese patent application filed with the Chinese Patent Office, the application number is 202010151986.8, and the application name is "crimping jigs and testing equipment" on March 6, 2020. The entire content of the patent application is incorporated by reference. In this application.

Technical field

This application relates to the field of display panel inspection technology, and in particular to a crimping jig and inspection equipment.

Background technique

With the rapid development of electronic products, curved display applications are increasingly abundant in electronic products. It is precisely due to market demand that the market for flexible curved display products will grow greatly in the next few years. Under the background of this general trend, various Large panel manufacturers have made great efforts to produce and develop thinner and lighter flexible panel products.

In flexible OLED (Organic In the entire manufacturing process of Light-Emitting Diode (organic electro-laser display) panels, each production link requires equipment with a high degree of precision and automation. To control the yield and cost well, it must be tested during the manufacturing process. Flexible OLED panel testing usually uses FPCB (Flexible Printed Circuit Board, flexible printed circuit board) to connect the OLED panel with the testing system. Therefore, it is necessary to use a jig to crimp the pins on the OLED panel with the pins on the FPCB. However, the crimping jigs of current testing equipment have the following shortcomings: First, the size is too thick to exceed the size of the instrument, and cannot be placed in the designated instrument for testing; second, the weight is too heavy, which is not conducive to moving and handling.

In view of this, it is necessary to provide a crimping jig and testing equipment to at least overcome or alleviate the above-mentioned drawbacks in the prior art.

technical problem

The main purpose of this application is to provide a crimping jig and testing equipment, which aims to solve the technical problem that the existing crimping jigs are too large to meet the requirements of designated testing instruments.

Technical solutions

In order to achieve the above objective, the present application provides a crimping jig, the crimping jig includes a mounting base and a crimping mechanism; the mounting base is configured to place a display panel; the crimping mechanism includes The guide rail on the mounting base, the pressing plate assembly arranged on the guide rail, and the laminating assembly arranged on the mounting base and the pressing plate assembly, the laminating assembly is configured to drive the pressing plate The component moves along the guide rail in a direction close to the mounting base, so as to crimp the circuit board and the display panel.

Optionally, the laminating assembly includes a first magnetic member arranged on the mounting base, and a second magnetic member arranged on the pressure plate assembly, the first magnetic member and the second magnetic member The first magnetic member and the second magnetic member are arranged opposite to each other, and the first magnetic member and the second magnetic member are configured to fit the pressure plate assembly to the mounting base.

Optionally, the crimping mechanism further includes a clamping plate disposed below the clamping plate assembly, and a third magnetic member is disposed on a side of the clamping plate assembly facing the clamping plate, and the third magnetic member is It is configured to cooperate with the clamping plate to clamp the circuit board between the third magnetic member and the clamping plate.

Optionally, a positioning pin is provided on the side of the pressing plate assembly facing the clamping plate, the clamping plate is provided with a first positioning hole that cooperates with the positioning pin, and the positioning pin is configured to be sequentially Passing through the second positioning hole and the first positioning hole on the circuit board to position the circuit board and the clamping plate.

Optionally, the pressure plate assembly includes a sliding frame that can be raised and lowered on the guide rail, an indenter arranged on the sliding frame, and a rubber strip arranged on the indenter, the rubber strip It is configured to crimp the circuit board and the display panel.

Optionally, the pressure head includes a connecting portion provided on the sliding frame, and a crimping portion extending from the connecting portion to the mounting base, and the crimping portion is provided with a crimping portion configured to A clamping slot for accommodating the adhesive strip.

Optionally, the mounting base includes a bottom plate and a mounting frame arranged on one side of the bottom plate, and the mounting frame includes two first connecting plates arranged on the bottom plate at a relatively spaced interval and connecting the two mounting frames. The second connecting plate of the first connecting plate, the second connecting plate and the bottom plate are arranged opposite to each other, the guide rail is arranged on the side of the second connecting plate facing the bottom plate, and the bottom plate is configured as Place the display panel.

Optionally, the crimping jig further includes a reference plate provided on the bottom plate, and the reference plate is configured to determine the placement position of the display panel.

Optionally, the bottom plate is provided with a mounting through hole, and a transparent plate is embedded in the mounting through hole, and the transparent plate is configured to observe whether the display panel and the circuit board are aligned.

In addition, the present application also provides a detection device, wherein the detection device includes a detection system and the crimping jig as described above, and the detection system is configured to be connected to the circuit board.

Beneficial effect

In the technical solution of the present application, since the provided crimping fixture includes a mounting base and a crimping mechanism; the mounting base is configured to place the display panel; the crimping mechanism includes a guide rail arranged on the mounting base and a crimping mechanism. The pressing plate assembly of the, and the laminating assembly arranged on the mounting base and the pressing plate assembly, the laminating assembly is configured to drive the pressing plate assembly to move along the guide rail in the direction close to the mounting base, so as to press the circuit board and the display panel, The display panel can be placed on the mounting base, the circuit board is placed above the display panel, and the pins of the circuit board are aligned with the pins on the display panel, and then the pressure plate assembly is driven to be installed along the guide rail through the lamination assembly. The direction of the base moves, the circuit board and the display panel are crimped, thereby reducing the thickness of the entire crimping jig, so as to replace the bulky crimping jig, and meet the needs of various testing instruments, and improve the crimping With versatility.

Description of the drawings

In order to more clearly describe the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, without creative work, other drawings can be obtained based on the structure shown in these drawings.

FIG. 1 is a schematic diagram of the structure of a crimping jig according to an embodiment of the application;

2 is a schematic diagram of the structure of the mounting base and the guide rail according to an embodiment of the application;

FIG. 3 is a schematic structural view of a crimping mechanism according to an embodiment of the application;

FIG. 4 is a schematic diagram of a part of the structure of the crimping jig according to the embodiment of the application from another perspective.

The realization, functional characteristics, and advantages of the purpose of this application will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Attached icon number description:

标号 Label	名称 name	标号 Label	名称 name
1 1	安装基座 Installation base	11 11	底板 Bottom plate
12 12	安装架 Mount	121 121	第一连接板 First connecting plate
122 122	第二连接板 Second connecting plate	13 13	安装通孔 Mounting through holes
2 2	压接机构 Crimping mechanism	21 twenty one	导轨 guide
22 twenty two	压板组件 Pressure plate assembly	221 221	滑移架 Sliding frame
222 222	压头 Indenter	223 223	胶条 Adhesive strips
224 224	连接部 Connection part	225 225	压接部 Crimping part
226 226	卡接槽 Card slot	227 227	滑移竖板 Sliding riser
228 228	滑移横板 Sliding cross plate	229 229	滑块 Slider
230 230	第一螺纹孔 The first threaded hole	23 twenty three	贴合组件 Fitting components
231 231	第一磁性件 The first magnetic part	232 232	第二磁性件 The second magnetic part
24 twenty four	夹持板 Clamping plate	25 25	第三磁性件 The third magnetic piece
26 26	定位销 Positioning pin	3 3	基准板 Reference board

Embodiments of the present invention

It should be understood that the specific embodiments described here are only used to explain the present application, and are not used to limit the present application.

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of this application.

It should be noted that all the directional indicators (such as up, down, left, right, front, back...) in the embodiments of this application are only used to explain the relationship between the components in a specific posture (as shown in the figure). If the relative station relationship, movement situation, etc. change, the directional indication will change accordingly.

In addition, the descriptions related to "first", "second", etc. in this application are only used for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on what can be achieved by a person of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be achieved, it should be considered that such a combination of technical solutions does not exist. , Is not within the scope of protection required by this application.

1 and 2, the present application provides a crimping jig, the crimping jig includes a mounting base 1 and a crimping mechanism 2; the mounting base 1 is configured to place a display panel; the crimping mechanism 2 includes a set The guide rail 21 on the mounting base 1, the pressure plate assembly 22 provided on the guide rail 21, and the laminating assembly 23 provided on the mounting base 1 and the pressure plate assembly 22, the laminating assembly 23 is configured to drive the pressure plate assembly 22 along The guide rail 21 moves in a direction close to the mounting base 1 to crimp the circuit board and the display panel.

In the technical solution of the present application, since the provided crimping jig includes a mounting base 1 and a crimping mechanism 2; the mounting base 1 is configured to place a display panel; and the crimping mechanism 2 includes a guide rail provided on the mounting base 1. 21. The pressing plate assembly 22 arranged on the guide rail 21 and the laminating assembly 23 arranged on the mounting base 1 and the pressing plate assembly 22, the laminating assembly 23 is configured to drive the pressing plate assembly 22 to approach the mounting base 1 along the guide rail 21 Move the circuit board and the display panel in the direction of pressing, then the display panel can be placed on the mounting base 1, the circuit board is placed above the display panel, and the pins of the circuit board are connected to the lead on the display panel Align the feet, and then drive the pressing plate assembly 22 to move along the guide rail 21 toward the mounting base 1 through the laminating assembly 23 to crimp the circuit board and the display panel, thereby reducing the thickness of the entire crimping fixture to replace the volume Huge crimping jigs can meet the needs of various testing instruments and improve the versatility of crimping jigs. It should be particularly noted that the thickness of the crimping jig provided in this application is thinner than that of all crimping jigs currently on the market.

In one embodiment, referring to FIGS. 1, 2 and 4, the laminating assembly 23 includes a first magnetic member 231 arranged on the mounting base 1, and a second magnetic member 232 arranged on the pressure plate assembly 22. A magnetic piece 231 is disposed opposite to the second magnetic piece 232, and the first magnetic piece 231 and the second magnetic piece 232 are matched and configured to attach the pressure plate assembly 22 to the mounting base 1. Furthermore, the side of the mounting base 1 facing the pressure plate assembly 22 is provided with a first accommodating groove, the first magnetic member 231 is placed in the first accommodating groove, and the side of the pressure plate assembly 22 facing the mounting base 1 is provided with a second accommodating groove. In the receiving groove, the second magnetic member 232 is placed in the second receiving groove. Both the first magnetic member 231 and the second magnetic member 232 can be magnets, that is, the magnetic force between the first magnetic member 231 and the second magnetic member 232 can be passed Function to drive the pressure plate assembly 22 to move along the guide rail 21 in the direction close to the mounting base 1, and finally due to the magnetic force of the first magnetic member 231 and the second magnetic member 232, one end of the pressure plate assembly 22 can be firmly attached to the mounting base. The other end of the pressure plate assembly 22 can be used for crimping the circuit board and the display panel. At the same time, the number of the first magnetic member 231 and the second magnetic member 232 may be multiple.

In an embodiment, referring to FIGS. 1 and 4, the crimping mechanism 2 further includes a clamping plate 24 arranged below the pressing plate assembly 22, and a third magnetic member 25 is arranged on the side of the pressing plate assembly 22 facing the clamping plate 24, The third magnetic member 25 is configured to cooperate with the clamping plate 24 to clamp the circuit board between the third magnetic member 25 and the clamping plate 24. The pressing plate assembly 22 is provided with a third accommodating groove on the side facing the clamping plate 24, the third magnetic member 25 is placed in the third accommodating groove, the third magnetic member 25 may be a magnet, and the clamping plate 24 may be a ferromagnetic metal plate Therefore, the circuit board can be clamped between the third magnetic member 25 and the clamping plate 24 by the magnetic effect of the third magnetic member 25 on the clamping plate 24 to fix the circuit board on the crimping mechanism 2.

Specifically, the side of the pressing plate assembly 22 facing the clamping plate 24 is provided with a positioning pin 26, the clamping plate 24 is provided with a first positioning hole (not shown) that cooperates with the positioning pin 26, and the positioning pins 26 are arranged in sequence. Pass through the second positioning hole on the circuit board and the first positioning hole on the clamping plate 24 to position the circuit board and the clamping plate 24. That is, the second positioning hole on the circuit board is set corresponding to the positioning pin 26 on the pressure plate assembly 22, and the positioning pin 26 sequentially passes through the second positioning hole on the circuit board and the first positioning hole on the clamping plate 24, so that the circuit can be aligned. The board is positioned. In addition, the number of positioning pins 26 can be multiple, the clamping plate 24 is provided with multiple first positioning holes that cooperate with the multiple positioning pins 26, and the circuit board is also formed with multiple first positioning holes that cooperate with the multiple positioning pins 26. The second positioning hole.

In one embodiment, referring to Figures 1, 3 and 4, the pressure plate assembly 22 includes a sliding frame 221 that can be raised and lowered on the guide rail 21, an indenter 222 arranged on the sliding frame 221, and an indenter. The adhesive strip 223 on the 222 is configured to crimp the circuit board and the display panel. The adhesive strip 223 is used to contact the circuit board, and the circuit board is pressed against the display panel, so that the adhesive strip 223 can play a buffering effect. In this application, the rubber strip 223 may be an EPDM rubber strip, a silicone rubber strip, a neoprene rubber strip, a nitrile rubber strip, a polyurethane rubber strip, and the like.

In addition, the pressing plate assembly 22 further includes a sliding block 229 arranged on the sliding frame 221, and the sliding block 229 cooperates with the guide rail 21 to make the sliding frame 221 perform lifting motion on the guide rail 21. The sliding frame 221 includes a sliding vertical plate 227 and a sliding horizontal plate 228 arranged on the sliding vertical plate 227. The sliding block 229 is arranged on the sliding vertical plate 227, and the sliding horizontal plate 228 is provided with a first threaded hole. 230. The indenter 222 is provided with a second threaded hole corresponding to the first threaded hole 230, so that the sliding frame 221 and the indenter 222 can be connected by a threaded fastener. In this application, the number of guide rails 21 and sliders 229 may be four or more groups, so that the cooperation of multiple sets of guide rails 21 and sliders 229 can ensure the stability of the lifting movement of the sliding frame 221.

Further, the pressing head 222 includes a connecting portion 224 provided on the sliding frame 221, and a crimping portion 225 extending from the connecting portion 224 to the mounting base 1. The crimping portion 225 is provided with a rubber strip 223的卡接槽226。 223's card slot 226. Due to the elasticity of the rubber strip 223, the rubber strip 223 can be directly clamped in the clamping groove 226 or taken out from the clamping groove 226, which facilitates the disassembly and assembly of the rubber strip 223.

In one embodiment, referring to Figures 1 and 2, the mounting base 1 includes a bottom plate 11 and a mounting frame 12 arranged on one side of the bottom plate 11, and the mounting frame 12 includes two first connections arranged on the bottom plate 11 at opposite intervals. The board 121 and the second connecting board 122 connecting the two first connecting boards 121, the second connecting board 122 is arranged opposite to the bottom plate 11, the guide rail 21 is arranged on the side of the second connecting board 122 facing the bottom plate 11, and the bottom plate 11 is Configure to place the display panel. That is, the pressure plate assembly 22 can be arranged in the space enclosed by the mounting frame 12 through the guide rail 21 to further reduce the thickness of the crimping jig. The height can be 3.75mm, at this time the height of the entire crimping fixture does not exceed 20mm.

In addition, the crimping jig further includes a reference plate 3 arranged on the bottom plate 11, and the reference plate 3 is configured to determine the placement position of the display panel. For display panels of different sizes, the placement position is marked on the reference board 3 to ensure that the display panels of different sizes can be accurately connected to the circuit board. Of course, the reference plate 3 can be made of a transparent material.

In one embodiment, the bottom plate 11 is provided with a mounting through hole 13, and a transparent plate (not shown) is embedded in the mounting through hole 13, and the transparent plate is configured to observe whether the display panel and the circuit board are aligned. That is, from the bottom of the bottom plate 11, it can be observed through the transparent plate whether the pins of the display panel are aligned with the pins of the circuit board. The transparent plate may be a quartz glass plate, of course, this application is not limited to this, and other suitable transparent plates are also possible.

In addition, the present application also provides a detection device, wherein the detection device includes a detection system and the crimping jig as described above, and the detection system is configured to be connected to the circuit board. Since the detection device adopts all the technical solutions of the above-mentioned embodiments, it has at least all the effects brought by the technical solutions of the above-mentioned embodiments, which will not be repeated here.

The above are only the preferred embodiments of the application, and do not limit the scope of the patent for this application. Any equivalent structure or equivalent process transformation made using the content of the description and drawings of the application, or directly or indirectly applied to other related technical fields , The same reason is included in the scope of patent protection of this application.

Claims

A crimping jig, wherein the crimping jig includes:

A mounting base configured to place a display panel;

A crimping mechanism, the crimping mechanism comprising a guide rail arranged on the mounting base, a pressure plate assembly arranged on the guide rail, and a bonding assembly arranged on the mounting base and the pressure plate assembly, The bonding assembly is configured to drive the pressing plate assembly to move along the guide rail in a direction close to the mounting base, so as to press the circuit board and the display panel.
The crimping jig according to claim 1, wherein the fitting assembly comprises a first magnetic part arranged on the mounting base and a second magnetic part arranged on the pressure plate assembly, the The first magnetic member and the second magnetic member are arranged opposite to each other, and the first magnetic member and the second magnetic member are matched and configured to fit the pressure plate assembly to the mounting base.
The crimping jig according to claim 1, wherein the crimping mechanism further comprises a clamping plate disposed below the clamping plate assembly, and a third side of the clamping plate assembly facing the clamping plate is provided with a clamping plate. A magnetic member, the third magnetic member is configured to cooperate with the clamping plate to clamp the circuit board between the third magnetic member and the clamping plate.
The crimping jig according to claim 3, wherein a positioning pin is provided on the side of the pressure plate assembly facing the clamping plate, and a first positioning pin is provided on the clamping plate to cooperate with the positioning pin. The positioning pin is configured to sequentially pass through the second positioning hole and the first positioning hole on the circuit board to position the circuit board and the clamping plate.
The crimping jig according to claim 1, wherein the pressure plate assembly includes a sliding frame arranged on the guide rail so as to be liftable, a pressing head arranged on the sliding frame, and a pressure head arranged on the pressing plate. The adhesive strip on the head, the adhesive strip is configured to crimp the circuit board and the display panel.
The crimping jig according to claim 5, wherein the pressing head includes a connecting part provided on the sliding frame, and a pressing part extending from the connecting part to the mounting base, so The crimping part is provided with a clamping groove configured to accommodate the rubber strip.
The crimping jig according to any one of claims 1 to 6, wherein the mounting base includes a bottom plate and a mounting frame arranged on one side of the bottom plate, and the mounting frame includes a mounting frame arranged at opposite intervals. The two first connecting plates on the bottom plate and the second connecting plate connecting the two first connecting plates, the second connecting plates and the bottom plate are arranged opposite to each other, and the guide rails are arranged on the second The connecting plate faces one side of the bottom plate, and the bottom plate is configured to place the display panel.
8. The crimping jig according to claim 7, wherein the crimping jig further comprises a reference plate provided on the bottom plate, and the reference plate is configured to determine the placement position of the display panel.
The crimping jig according to claim 7, wherein the bottom plate is provided with a mounting through hole, a transparent plate is embedded in the mounting through hole, and the transparent plate is configured to observe the display panel and the circuit Whether the boards are aligned.
A detection device, wherein the detection device comprises a detection system and the crimping jig according to any one of claims 1 to 9, and the detection system is configured to be connected to the circuit board.