CN216670055U

CN216670055U - Universal jig and testing device

Info

Publication number: CN216670055U
Application number: CN202122942087.2U
Authority: CN
Inventors: 项芳; 程亮; 陈晨
Original assignee: Wuhan Jingce Electronic Group Co Ltd; Wuhan Jingyitong Electronic Technology Co Ltd
Current assignee: Wuhan Jingce Electronic Group Co Ltd; Wuhan Jingyitong Electronic Technology Co Ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-06-03
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses a universal jig and a testing device, and belongs to the field of display panel testing. The universal jig comprises a bottom plate, a PCB assembly and a crimping assembly. The PCB assembly comprises a first plate body, a second plate body and an adapter, wherein the first plate body is provided with a golden finger and a first plug, and the second plate body is provided with a second plug and a signal access port. The adaptor comprises a plurality of wires, a third plug and a fourth plug, wherein the two ends of the plurality of wires are respectively and electrically connected with the third plug and the fourth plug. The crimping subassembly includes probe module and pressure head, and the bottom plate is gone up and down relatively to the pressure head, and a plurality of probes are inserted to the probe module and are equipped with, and a plurality of probes and golden finger switch on, and the second plate body is located the bottom plate. The universal jig provided by the embodiment of the utility model not only can realize the universal use of the jig, but also can avoid using an FPC (flexible printed circuit), thereby greatly reducing the design cost and the production cost of the test.

Description

Universal jig and testing device

Technical Field

The utility model belongs to the field of display panel testing, and particularly relates to a universal jig and a testing device.

Background

In the field of display panel detection, a jig generally transmits various signals to a product to light the product, the transmission of the signals needs to be switched by a PCB and an FPC, and the specific link form is as follows: and the PCB is printed on the FPC, so that the product is conducted finally.

However, the definition of the connector is generally different for different products, so when the jig performs product crimping, the FPC needs to be redesigned according to the definition of the product connector, the PCB remains common, and the FPC is replaced to adapt to the connector of the product with different definitions. Due to the fact that products such as mobile phones are fast to update, the variety of display screens is large, the testing requirement is large, different products need to customize the FPC again, the design difficulty of the FPC is large, the processing cost is high, and the design cost and the production cost of testing can be increased.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects or the improvement requirements of the prior art, the utility model provides a universal jig and a testing device, aiming at realizing the universal use of the jig, avoiding the use of FPC and greatly reducing the design cost and the production cost of the test.

In a first aspect, the utility model provides a universal jig, which comprises a bottom plate, a PCB (printed circuit board) assembly and a crimping assembly;

the PCB assembly comprises a first plate body, a second plate body and an adapter, wherein a golden finger and a first plug communicated with the golden finger are arranged on the first plate body, a second plug and a signal access port communicated with the second plug are arranged on the second plate body, the adapter comprises a plurality of wires, a third plug matched with the first plug and a fourth plug matched with the second plug, and two ends of the plurality of wires are respectively and electrically connected with the third plug and the fourth plug;

the crimping subassembly includes probe module and pressure head, the pressure head can be relative the bottom plate goes up and down, the probe module the first plate body all is located on pressure head or the bottom plate, a plurality of probes are inserted in the probe module, and are a plurality of the probe with the golden finger switches on, the second plate body is located on the bottom plate.

Optionally, the probe module and the first plate body are both located on the pressing head, and the first plate body is clamped between the probe module and the pressing head.

Optionally, the probe module and the first plate body are both located on the bottom plate, the first plate body is clamped between the probe module and the bottom plate, and the probe module and the pressure head are arranged oppositely.

Optionally, the probe module comprises a core fixing seat and a floating plate, the core fixing seat is connected with the first plate body, the plurality of probes are inserted into the core fixing seat, the core fixing seat is connected with the floating plate through springs, and the floating plate is provided with through holes which are arranged opposite to the plurality of probes.

Optionally, the bottom plate has a carrier plate thereon, and the carrier plate has a vacuum suction hole thereon.

Optionally, the carrier has a plurality of positioning blocks arranged at intervals, and the positioning blocks are arranged at intervals along the circumferential direction of the carrier.

Optionally, the base plate is provided with a cylinder, and an output shaft of the cylinder is in transmission connection with the pressure head.

Optionally, the bottom of the cylinder is provided with a sliding table, and the sliding table can slide along the bottom plate.

Optionally, the second plate body and the bottom plate are integrally formed.

In a second aspect, the present invention provides a testing apparatus, which includes the universal fixture according to the first aspect.

The technical scheme provided by the embodiment of the utility model has the following beneficial effects:

for the universal jig provided by the embodiment of the utility model, as the golden finger and the first plug are arranged on the first plate body, the second plug and the signal access port are arranged on the second plate body, and the third plug and the fourth plug are respectively and electrically connected with the two ends of the plurality of wires, the electric signals can sequentially pass through the signal access port, the second plug, the fourth plug, the plurality of wires, the third plug and the first plug and are finally transmitted to the golden finger, so that the electric signals are further transmitted to the probe module and the connector of the product, and different electric signals correspond to different pad points and different wires in the conduction process. In addition, the mode of using the adapter can avoid using FPC to connect the first plate body and the second plate body, thereby greatly reducing the design cost and the production cost of the test.

When connectors of products with different definitions are conducted (electric signals required to be accessed by each pad point on the connectors with different definitions are different), only the adaptor needs to be removed, and the adaptor corresponding to the connectors of other products is replaced, so that wiring modes of a plurality of wires between the third plug and the fourth plug are adjusted by replacing the adaptor, and therefore adjustment of trends of different electric signals is achieved (the correspondence of electric signal definitions between the first plate body and the second plate body can be revised again by changing the corresponding relation of the wires between the third plug and the fourth plug, so that the connectors of the products with different definitions are finally adapted), electric signals required to be accessed by each pad point of the connectors are further met, and the universality of the first plate body and the second plate body is achieved.

Further, probe module, first plate body all are located pressure head or bottom plate, and the second plate body is located the bottom plate, can be suitable for the connector of different kind products like this (connector up or orientation arrange), and need not to change the position of second plate body, and the position of only adjusting first plate body and probe module can realize the general of the connector to different kind products. In addition, the position of the first plate body can be conveniently adjusted through the conducting mode of the conducting wire in the adapter.

That is to say, the universal jig provided by the embodiment of the utility model not only can realize the universal use of the jig, but also can avoid using an FPC (flexible printed circuit), thereby greatly reducing the design cost and the production cost of the test.

Drawings

Fig. 1 is a schematic structural diagram of a general jig according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a PCB board assembly provided by an embodiment of the utility model;

fig. 3 is a schematic structural diagram of another general jig according to an embodiment of the present invention.

The symbols in the figures represent the following:

1. a base plate; 11. a carrier plate; 111. positioning blocks; 12. a cylinder; 121. a sliding table; 2. a PCB board assembly; 21. a first plate body; 211. a gold finger; 212. a first plug; 22. a second plate body; 221. a second plug; 23. an adapter; 231. a wire; 232. a third plug; 233. a fourth plug; 234. a wire guide sleeve; 3. a crimping assembly; 31. a probe module; 311. a mold core fixing seat; 312. a floating plate; 32. and (4) pressing head.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Fig. 1 is a schematic structural diagram of a general jig according to an embodiment of the present invention, and as shown in fig. 1, the general jig includes a bottom plate 1, a PCB board assembly 2, and a crimping assembly 3.

Fig. 2 is a schematic structural diagram of a PCB assembly according to an embodiment of the present invention, and as shown in fig. 2, the PCB assembly 2 includes a first board body 21, a second board body 22, and an adaptor 23, the first board body 21 has a gold finger 211 and a first plug 212 conducted with the gold finger 211, the second board body 22 has a second plug 221 and a signal access port conducted with the second plug 221, the adaptor 23 includes a plurality of wires 231, a third plug 232 configured to mate with the first plug 212, and a fourth plug 233 configured to mate with the second plug 221, two ends of the plurality of wires 231 are electrically connected to the third plug 232 and the fourth plug 233, respectively.

Crimping subassembly 3 includes probe module 31 and pressure head 32, and pressure head 32 can go up and down by bottom plate 1 relatively, and probe module 31, first plate body 21 all are located pressure head 32 or bottom plate 1 on, and a plurality of probes have been inserted to probe module 31, and a plurality of probes and golden finger 211 switch on, and second plate body 22 is located bottom plate 1.

For the universal fixture provided in the embodiment of the present invention, since the first board body 21 has the gold finger 211 and the first plug 212, the second board body 22 has the second plug 221 and the signal access port (not shown), and the third plug 232 and the fourth plug 233, which are electrically connected to two ends of the plurality of wires 231, respectively, the electrical signal can pass through the signal access port, the second plug 221, the fourth plug 233, the plurality of wires 231, the third plug 232, and the first plug 212 in sequence, and finally be transmitted to the gold finger 211, so as to be further transmitted to the probe module 31 and the connector of the product, and different electrical signals correspond to different pad points and different wires 231 in the conduction process. In addition, the mode of using the adaptor 23 can avoid using an FPC to transfer the first board body 21 and the second board body 22, thereby greatly reducing the design cost and the production cost of the test.

When connectors of products with different definitions are conducted (electrical signals required to be accessed by each pad point on the connectors with different definitions are different), only the adaptor 23 needs to be removed, and the adaptor 23 corresponding to the connectors of other products is replaced, so that the routing mode of the plurality of wires 231 between the third plug 232 and the fourth plug 233 is adjusted by replacing the adaptor 23, thereby realizing adjustment of different electrical signal trends (the correspondence between the electrical signal definitions between the first plate body 21 and the second plate body 22 can be modified again by changing the correspondence between the wires 231 between the third plug 232 and the fourth plug 233, so as to finally adapt to the connectors of the products with different definitions), further satisfying the electrical signals required to be accessed by each pad point of the connectors, and realizing the universality of the first plate body 21 and the second plate body 22 (as well as the bottom plate 1 and the crimping component 3).

Further, probe module 31, first plate body 21 all are located pressure head 32 or bottom plate 1, and second plate body 22 is located bottom plate 1, can be suitable for the connector of different kinds of products like this (the connector is up or the orientation is arranged), and need not to change the position of second plate body 22, only adjust the position of first plate body 21 and probe module 31 and can realize the general to the connector of different kinds of products. In addition, the position of the first plate 21 can be conveniently adjusted by the conducting mode of the conducting wire 231 in the adapter 23.

In one implementation of the utility model, the connector for the product is arranged facing downwards: the probe module 31 and the first plate 21 are both located on the bottom plate 1, the first plate 21 is clamped between the probe module 31 and the bottom plate 1, and the probe module 31 and the pressure head 32 are oppositely arranged (see fig. 1), so that the connector-downward-arranged product can be suitable (the connector is placed on the probe module 31 during testing).

In another implementation of the utility model, the connectors for the product are arranged facing upwards: the probe modules 31 and the first plate body 21 are both located on the press head 32, and the first plate body 21 is sandwiched between the probe modules 31 and the press head 32 (see fig. 3), so that a product in which the connectors are arranged upward can be adapted.

It should be noted that the plurality of wires 231 may be sheathed and protected by the wire sheath 234.

In addition, the probe module 31 includes a core holder 311 and a floating plate 312, the core holder 311 is connected to the first plate 21, the plurality of probes are inserted into the core holder 311, the core holder 311 is connected to the floating plate 312 through a spring, and the floating plate 312 has a through hole, and the through hole is arranged opposite to the plurality of probes.

In the above embodiment, the floating plate 312 has a certain buffering function on the connector of the product, so that the probe can be prevented from being bent due to an excessive pressure.

Referring again to fig. 1, the base plate 1 has a carrier plate 11 thereon, and the carrier plate 11 has vacuum suction holes thereon.

In the above embodiment, the vacuum adsorption holes may realize adsorption fixation of the product.

Illustratively, the carrier 11 has a plurality of positioning blocks 111 arranged at intervals, and the positioning blocks 111 are arranged at intervals along the circumferential direction of the carrier 11, so that the positioning of the product is realized by the plurality of positioning blocks 111.

In the embodiment, the base plate 1 is provided with a cylinder 12, and an output shaft of the cylinder 12 is in transmission connection with the pressure head 32.

In the above embodiment, the air cylinder 12 can control the ram 32 to move up and down, thereby realizing automatic crimping of the jig.

In other embodiments of the present invention, the ram 32 may be raised and lowered by a hydraulic piston cylinder, which is not limited by the present invention.

Illustratively, the bottom of the cylinder 12 is provided with a sliding table 121, and the sliding table 121 can slide along the bottom plate 1, so that the connector can be emptied above before crimping, and the connector can be conveniently placed.

In the present embodiment, the second plate 22 and the bottom plate 1 are integrally formed, so that the thickness of the jig can be reduced, and the jig can be shared by the two.

The embodiment of the utility model also provides a testing device which comprises the universal fixture.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the utility model, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The universal jig is characterized by comprising a bottom plate (1), a PCB (printed circuit board) assembly (2) and a crimping assembly (3);

the PCB assembly (2) comprises a first plate body (21), a second plate body (22) and an adapter (23), wherein a golden finger (211) and a first plug (212) conducted with the golden finger (211) are arranged on the first plate body (21), a second plug (221) and a signal access port conducted with the second plug (221) are arranged on the second plate body (22), the adapter (23) comprises a plurality of wires (231), a third plug (232) matched with the first plug (212) and a fourth plug (233) matched with the second plug (221), and two ends of the plurality of wires (231) are respectively and electrically connected with the third plug (232) and the fourth plug (233);

crimping subassembly (3) include probe module (31) and pressure head (32), pressure head (32) can be relative bottom plate (1) goes up and down, probe module (31) first plate body (21) all are located on pressure head (32) or bottom plate (1), it is equipped with a plurality of probes, a plurality of to insert in probe module (31) the probe with golden finger (211) switch on, second plate body (22) are located on bottom plate (1).

2. A universal fixture as claimed in claim 1, wherein the probe module (31) and the first plate body (21) are both located on the press head (32), and the first plate body (21) is sandwiched between the probe module (31) and the press head (32).

3. The universal fixture according to claim 1, wherein the probe module (31) and the first plate body (21) are both located on the bottom plate (1), the first plate body (21) is clamped between the probe module (31) and the bottom plate (1), and the probe module (31) and the press head (32) are arranged oppositely.

4. The universal fixture according to claim 2 or 3, wherein the probe module (31) comprises a core holder (311) and a floating plate (312), the core holder (311) is connected with the first plate body (21), a plurality of probes are inserted into the core holder (311), the core holder (311) and the floating plate (312) are connected together through a spring, and the floating plate (312) is provided with through holes which are arranged opposite to the plurality of probes.

5. The universal fixture according to claim 1, wherein the base plate (1) has a carrier plate (11), and the carrier plate (11) has vacuum suction holes.

6. The universal fixture according to claim 5, characterized in that the carrier (11) has a plurality of positioning blocks (111) spaced apart from each other, and the positioning blocks (111) are spaced apart from each other along the circumference of the carrier (11).

7. The universal fixture according to claim 1, characterized in that the base plate (1) is provided with a cylinder (12), and an output shaft of the cylinder (12) is in transmission connection with the press head (32).

8. A universal jig according to claim 7, characterized in that the bottom of the air cylinder (12) is provided with a sliding table (121), and the sliding table (121) can slide along the bottom plate (1).

9. A universal fixture according to any one of claims 5-8, characterised in that the second plate (22) and the base plate (1) are integrally formed.

10. A test device comprising a universal fixture according to any one of claims 1-9.