CN2831123Y

CN2831123Y - Soft panel testing gripper of PCB board general testing machine

Info

Publication number: CN2831123Y
Application number: CN 200520005890
Authority: CN
Inventors: 张利雄
Original assignee: SHENZHEN MASON ELECTRONICS CO Ltd
Current assignee: SHENZHEN MASON ELECTRONICS CO Ltd
Priority date: 2005-03-15
Filing date: 2005-03-15
Publication date: 2006-10-25
Anticipated expiration: 2015-03-15

Abstract

The utility model provides a soft board testing clamping device of PCB board general testing machines, which comprises an upper clamping body and a lower clamping body, and the opposite surfaces of the upper and the lower clamping bodies are respectively provided with fine adjustment layers. The fine adjustment layer is composed of a basic frame and a slider, the basic frame is provided with an opening at a position corresponding to the unit layout of the soft boards shell to be tested, a relative movable slider is clamped in the basic frame, the slider is provided with a needle hole in which a test probe is inserted, and upper and the lower fine adjustment layers are provided with corresponding positioning sleeves and positioning pins. The probe not only can move referring to the entire test board, but also can tinily adjust according to concretely test units, therefore the utility model can overcome inaccurate testing or testing incapacity caused by different deformation among the test units. The utility model can effectively and simultaneously test a plurality of units and can increase testing efficiency, and the utility model is suitable for being widely used in existing products.

Description

Pcb board universal testing machine soft board test fixture

Technical field

The utility model relates on a kind of pcb board universal testing machine and uses anchor clamps, particularly a kind of anchor clamps that PCB multiple-unit soft board is tested of being used for.

Background technology

Pcb board generally is divided into two kinds of soft board and hardboards according to the material of its substrate.As shown in Figure 1, existing test machine generally positions with anchor clamps 3,5 four jiaos with soft board 1 when soft board 1 is tested, and simultaneously a plurality of unit 2 on it is tested then; The frequent drawdown deformation of soft board 1 baseplate material, from causing the variation on the wiring board length, soft board 1 generally all can be told a lot of test cells 2, can not wait because of drawdown deformation becomes apart from d between each unit 2.As shown in Figure 2, tommy 4 positions on the pcb board test machine anchor clamps 3,5 on the existing test fixture 3,5 are changeless, and when distortion was serious, the location must be forbidden, and makes test point and probe offset, produces a lot of open circuit point, can not test when serious.Therefore, the monoblock wiring board is tested unit 2 one by one generally speaking, only tests about two unit 2 that is: at every turn, and whole like this wiring board needs repeatedly test, and efficient is very low.

Summary of the invention

The purpose of this utility model provides a kind of novel pcb board universal testing machine soft board test fixture that can effectively overcome the problems referred to above generation, and it can once test a plurality of unit, reduces whole line test number of times, improves testing efficiency.

The purpose of this utility model is achieved in that it comprises clamp body, lower clamp body, is characterized in that: be arranged with the fine setting layer on the relative side surface of upper and lower clamp body; The fine setting layer is made of pedestal and slide block, and the corresponding position of pedestal and soft board cell layout to be tested is provided with opening, and its interior clip is the slide block of activity relatively, and slide block is provided with the pin hole that is used to wear test probe; Upper and lower fine setting layer is provided with corresponding locating sleeve and register pin;

In the said structure, the pedestal opening surface is provided with prominent edge to test board one lateral edges;

In the said structure, the slide block pinhole diameter is less than the anchor clamps pinhole diameter;

In the said structure, the pedestal opening is more than two;

In the said structure, four jiaos of the fine setting layer are provided with through hole.

During use, through hole on the anchor clamps on four jiaos on reference column and the fine setting layer cooperates and is fixed in upper and lower clamp body apparent surface, last clamp body fixedly has going up of locating sleeve and finely tunes layer, and the lower clamp body is fixed with the following fine setting layer of register pin, and guarantees that test probe is set on the corresponding slide block pin hole; During test, the pilot hole of four jiaos of soft boards to be measured is set on the reference column, formation is always spacing to soft board to be measured, then, position according to fine setting layer slide block under the deflection adjustment between the test cell on the soft board makes the position of register pin on the corresponding slide block just can pass the test cell pilot hole, a fine setting layer slide block locating sleeve in the adjustment, it is matched with the register pin of finely tuning on the layer down, thereby realize trim process; In the said process, during the slide block relative motion, probe can appropriate displacement in anchor clamps pin hole interstice coverage on it, the deflection difference causes the inaccurate generation that maybe can not test phenomenon of test between test cell thereby overcome, can test a plurality of unit effectively simultaneously, improve testing efficiency greatly, suit to be used in existing product and be widely used.

Description of drawings

Below in conjunction with accompanying drawing in detail concrete structure of the present utility model is described in detail

Fig. 1 is the structural representation of existing test machine with anchor clamps

Fig. 2 is a PCB softpanel structure synoptic diagram to be measured

Fig. 3 is the utility model structural upright synoptic diagram

Fig. 4 is the utility model mounting structure cut-open view

Embodiment

As shown in Figure 3, the utility model comprises clamp body 10, lower clamp body 11, is arranged with fine setting layer 12 on upper and lower clamp body 10, the 11 relative side surfaces; Fine setting layer 12 is made of pedestal 13 and slide block 14, pedestal 13 is provided with opening with the corresponding position of soft board 15 cell layouts to be tested, opening shape is square, can be other shapes as the case may be also, opening surface is provided with prominent along 16 to test board one lateral edges, the slide block 14 that is used for preventing to be limited in wherein breaks away from, and slide block 14 is provided with the pin hole 18 that is used to wear test probe 17, be convenient adjustment to probe 17, its diameter is less than the diameter of pin hole 19 on the upper and

lower clamp body

10,11; Following fine setting layer 12 is provided with and the corresponding register pin 20 in soft board to be tested 15 cell location holes, and last fine setting layer 12 is provided with the locating sleeve 21 that matches with register pin 20; Four jiaos of fine setting layer 12 are provided with positioning through hole; According to the difference of test cell quantity, can be provided with two groups of above opening 22 and slide blocks 14 on the pedestal 13.

When reality is tested, because the diameter of pin hole 18 is less than the diameter of pin hole 19 on the upper and

lower clamp body

10,11 on fine setting layer 12 slide block 14, according to different deflections, slide block 14 can drive the probe 17 that inserts in its pin hole 19 and move in the interstice coverage of pin hole 19, and distortion does not wait the generation that influences test problem between the unit thereby overcome.

Claims

1, a kind of pcb board universal testing machine soft board test fixture, it comprises clamp body, lower clamp body, it is characterized in that: be arranged with the fine setting layer on the relative side surface of upper and lower clamp body; The fine setting layer is made of pedestal and slide block, and the corresponding position of pedestal and soft board cell layout to be tested is provided with opening, and its interior clip is the slide block of activity relatively, and slide block is provided with the pin hole that is used to wear test probe; Upper and lower fine setting layer is provided with corresponding locating sleeve and register pin.

2, pcb board universal testing machine soft board test fixture as claimed in claim 1, it is characterized in that: the pedestal opening surface is provided with prominent edge to test board one lateral edges.

3, pcb board universal testing machine soft board test fixture as claimed in claim 1, it is characterized in that: the slide block pinhole diameter is less than the anchor clamps pinhole diameter.

4, pcb board universal testing machine soft board test fixture as claimed in claim 1 is characterized in that: four jiaos of the fine setting layer are provided with through hole.

5, pcb board universal testing machine soft board test fixture as claimed in claim 1, it is characterized in that: the pedestal opening is more than two.