CN213181900U

CN213181900U - Testing device suitable for fast switching of various PCBs

Info

Publication number: CN213181900U
Application number: CN202021949638.7U
Authority: CN
Inventors: 王付松; 解骏; 王海川; 刘超; 张建平
Original assignee: Zhengzhou Smartgen Technology Co Ltd
Current assignee: Zhengzhou Smartgen Technology Co Ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-05-11
Anticipated expiration: 2030-09-09

Abstract

The utility model provides a test device that adapts to multiple PCB fast switch-over, including base plate, PCB board supporting seat, test seat, probe box, sideslip guide rail, sideslip actuating mechanism and lifting mechanism, the sideslip guide rail is fixed in on the base, PCB board supporting seat slidable mounting is on the sideslip guide rail, the test seat is fixed in on the base plate and locates the top of sideslip guide rail, the probe box is fixed in on the test seat, sideslip actuating mechanism drive PCB board supporting seat slides along the sideslip guide rail, lifting mechanism locates on the PCB board supporting seat, the top lifting face of lifting mechanism is PCB board frock lifting face, works as when PCB board supporting seat removes to the test seat below, PCB board frock lifting face is just right with the position of probe box. The testing device suitable for fast switching of various PCBs can provide a fast and convenient structure for butting the PCBs, greatly improves the testing speed of the PCBs, and has wide adaptive capacity.

Description

Testing device suitable for fast switching of various PCBs

Technical Field

The utility model relates to a testing arrangement of electronic and electrical products, specific theory has related to a testing arrangement who adapts to multiple PCB fast switch-over.

Background

The electronic and electric products are the products with the most contact in daily life, the yield is very important, and the PCB testing method is very necessary for testing the PCB of the products before the assembly of the PCB in the electronic products and preventing the problem of PCB testing after the assembly.

However, at present, there is no efficient and feasible method for the production and test of small-scale PCB boards in a non-large production line form, and manual connection test is mostly adopted, so that the time and the labor are consumed.

In order to solve the above problems, people are always seeking an ideal technical solution.

Disclosure of Invention

The utility model aims at the not enough of prior art to a structure that can provide quick convenient butt joint PCB board, the test speed that has improved the PCB board greatly, the multiple PCB fast switch over's of adaptation testing arrangement who possesses more extensive adaptation ability is provided.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a test device that adapts to multiple PCB fast switch-over, includes base plate, PCB board supporting seat, test seat, probe box, sideslip guide rail, sideslip actuating mechanism and lifting mechanism, the sideslip guide rail is fixed in on the base, PCB board supporting seat slidable mounting is on the sideslip guide rail, the test seat is fixed in on the base plate and locates the top of sideslip guide rail, the probe box is fixed in on the test seat, sideslip actuating mechanism drive PCB board supporting seat slides along the sideslip guide rail, lifting mechanism locates on the PCB board supporting seat, the top lifting face of lifting mechanism is PCB board frock lifting face, works as when PCB board supporting seat removes to the test seat below, PCB board frock lifting face is just right with the position of probe box.

Basically, the lateral part of PCB board supporting seat is equipped with the photoelectric switch that is used for detecting whether there is the PCB board, photoelectric switch correlation control sideslip actuating mechanism opens and stops.

Basically, the transverse moving driving mechanism comprises a driving cylinder, and the moving end of the driving cylinder is fixed on the PCB supporting seat.

Basically, the lifting mechanism include the lifting cylinder, jack up with linear bearing and PCB board frock lifting face, jack up with linear bearing install in between PCB board supporting seat and the PCB board frock lifting face, the cylinder body part of lifting cylinder is fixed in on the PCB board supporting seat.

Basically, the limit buffer mechanism is arranged at the end of one end of the transverse moving guide rail on the base, and the PCB supporting seat is provided with a firing pin corresponding to the limit buffer mechanism.

The test seat is provided with a sliding chute and a plunger hole, one end of the sliding chute is fixed with a probe fixing seat, the inner end of the probe fixing seat is provided with a compressible probe, two sides of the probe box are provided with sliding blocks corresponding to the sliding chute, and the sliding blocks are in sliding fit with the sliding chute and are tightly pressed and fixed by a plunger screwed in the plunger hole; the tail end of the probe box is provided with a joint corresponding to the compressible probe, a vertical test probe is arranged in the probe box, and the test probe is electrically connected with the joint.

Basically, be connected with the cable protection tow chain between the lower extreme of PCB board supporting seat and the test seat.

Basically, the front end of the probe fixing seat is provided with a positioning pin corresponding to the probe box, and the tail end of the probe box is provided with a positioning hole.

The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model discloses a modular design can test almost all PCB boards, only need choose for use the frock of adaptation and probe box can, and accomplished semi-automatization, if combine automatic operation procedure and the logistics system of upper and lower reaches, can realize complete automated inspection.

Furthermore, the PCB tool lifting surface on the PCB supporting seat can be switched to tools of various specifications, the transverse moving driving mechanism drives the PCB supporting seat to move along the transverse moving guide rail, the PCB is moved to the testing position from the loading position, the lifting mechanism is used for lifting the PCB delivered to the position to the height which can be tested by the probe box, the PCB is butted with the probe box, the test is carried out, and the full automation of the test is completed.

Furthermore, the method for replacing the probe box is very simple, the vertical probe inside is used for being connected with a PCB for testing, the compressible probe at the rear part is used for connecting the probe box with external detection equipment together, and the probe box only plays a role in data connection, so that the manufacturing cost of the equipment can be reduced, and only one set of detection equipment can be shared.

Furthermore, the sliders on the two sides of the probe box are matched with the sliding grooves in the test seat, the rebound effect of the compressible probe and the jacking effect of the plunger can be achieved, and the rapid loading and unloading of the probe box and the rapid connection of the probe box and the test equipment can be achieved.

Drawings

Fig. 1 is the overall structure diagram of the testing device for fast switching of multiple PCBs.

Fig. 2 is the overall structure diagram of the testing device for fast switching of multiple PCBs.

Fig. 3 is a schematic front structural diagram of the probe box of the present invention.

Fig. 4 is a schematic structural view of the probe box and the probe holder of the present invention.

Fig. 5 is a schematic view of the internal structure of the probe case and the probe holder of the present invention.

In the figure: 1. a substrate; 2, a PCB supporting seat; 3. a test seat; 4. a probe box; 5. transversely moving the guide rail; 6. a photoelectric switch; 7. a driving cylinder; 8. a lifting cylinder; 9. a linear bearing for jacking; 10, a PCB board tool lifting surface; 11. a striker; 12. a chute; 13. a plunger; 14. a probe fixing seat; 15. testing the probe; 16. a slider; 17. a drag chain; 18. a compressible probe; 19. positioning pins; 20. and (4) a joint.

Detailed Description

The technical solution of the present invention will be described in further detail through the following embodiments.

As shown in fig. 1 and 2, a testing device suitable for fast switching of multiple PCBs comprises a substrate 1, a PCB support base 2, a test base 3, a probe box 4, a traverse guide 5, a traverse driving mechanism and a lifting mechanism.

The testing device comprises a base, a transverse moving guide rail 5, a PCB supporting seat 2, a testing seat 3, a probe box 4, a transverse moving driving mechanism and a testing seat, wherein the transverse moving guide rail 5 is fixed on the base 1, the PCB supporting seat 2 is slidably mounted on the transverse moving guide rail 5, the testing seat 3 is fixed on the base 1 and is arranged above the transverse moving guide rail 5, the probe box 4 is fixed on the testing seat 3, the transverse moving driving mechanism drives the PCB supporting seat 2 to slide along the transverse moving guide rail 5, the transverse moving driving mechanism comprises a driving air cylinder 7, a moving end of the driving air cylinder 7 is fixed on the PCB supporting seat 2 and is used for placing a PCB on the PCB supporting seat 2 when sliding to a far end, and.

On PCB board supporting seat 2 was located to the lifting mechanism, the lifting mechanism included lifting cylinder 8, jacking linear bearing 9 with PCB board frock lifting face 10, jacking linear bearing 9 install in between PCB board supporting seat 2 and the PCB board frock lifting face 10, on the cylinder body part of lifting cylinder 8 was fixed in PCB board supporting seat 2, work as when PCB board supporting seat 2 removed to test seat 3 below, PCB board frock lifting face 10 was just right with the position of probe box 4, started lifting cylinder 8 with the jacking of PCB board to the position department of probe box 4, docked with probe box 4.

It should be noted that, in fig. 1 and 2, the PCB support 2 is shown in both the test seat 3 and the initial position, and is only used for expressing the state of the PCB support 2 at two positions, and in practice, only one PCB support 2 is switched between two positions along the traverse guide 5.

As shown in fig. 3-4, a sliding chute 12 and a plunger hole are arranged on the test socket 3, a probe fixing seat 14 is fixed at one end of the sliding chute 12, a compressible probe 18 is installed at the inner end of the probe fixing seat 14, sliders 16 are arranged at two sides of the probe box 4 corresponding to the sliding chute 12, and the sliders 16 are in sliding fit with the sliding chute 12 and are tightly pressed and fixed by a plunger 13 screwed in the plunger hole; the tail end of the probe box 4 is provided with a joint 20 corresponding to the compressible probe 18, a vertical test probe 15 is arranged inside the probe box 4, and the test probe 15 is electrically connected with the joint 20. The front end of the probe fixing seat 14 is provided with a positioning pin 19 corresponding to the probe box 4, and the tail end of the probe box 4 is provided with a positioning hole for guiding and positioning.

The replacement mode of the probe box is as follows: the plunger 13 is unscrewed, the compressible probe is separated from the connector 14 under the action of elastic force, the probe box 4 is ejected out for a section, then the probe box 4 is manually taken out, a new probe box is inserted into the sliding groove 12 through the sliding block 16, the positioning hole at the tail end is in butt joint with the positioning pin 19 in a matching mode, the compressible probe is compressed again, and the plunger 13 is screwed and fixed.

The telescopic probe is used as a universal joint and is connected with an external testing device, and the telescopic probe is electrically connected with the vertical testing probe 15 to realize the connection of the PCB and the external testing device.

And a photoelectric switch 6 for detecting whether a PCB exists is arranged on the side part of the PCB supporting seat, and the photoelectric switch controls the start and stop of the transverse moving driving mechanism in a correlation manner.

And the limiting buffer mechanism is arranged at the end of one end of the transverse moving guide rail on the base, and a firing pin is arranged on the PCB supporting seat corresponding to the limiting buffer mechanism.

And a cable protection drag chain is connected between the lower end of the PCB supporting seat and the test seat.

The working principle is as follows:

firstly, the PCB supporting seat is positioned at the far end of the transverse moving guide rail 5, the PCB is placed on a PCB tool lifting surface of the PCB supporting seat by a tool, and the photoelectric switch 6 is used for detecting whether the PCB tool is loaded above the PCB supporting seat or not so as to trigger whether the driving cylinder is started or not.

Drive actuating cylinder 7 drive PCB board supporting seat 2 and locate to remove to test socket 3, stop after removing the below of test socket 3, then start lifting cylinder 8, with PCB board frock lifting to with probe box 4 on vertical test probe 15 peg graft together, begin the test.

After the test is finished, the lifting cylinder 8 descends to the original height, the driving cylinder 7 drives the PCB supporting seat 12 to return to the original position, and the next PCB is replaced for testing.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides a testing arrangement who adapts to multiple PCB fast switch over which characterized in that: including base plate, PCB board supporting seat, test seat, probe box, sideslip guide rail, sideslip actuating mechanism and lifting mechanism, the sideslip guide rail is fixed in on the base, PCB board supporting seat slidable mounting is on the sideslip guide rail, the test seat is fixed in on the base plate and locates the top of sideslip guide rail, the probe box is fixed in on the test seat, sideslip actuating mechanism drive PCB board supporting seat slides along the sideslip guide rail, on the PCB board supporting seat was located to the lifting mechanism, the top lifting face of lifting mechanism was PCB board frock lifting face, works as when PCB board supporting seat removed to the test seat below, PCB board frock lifting face was just right with the position of probe box.

2. The device for testing multiple PCB fast switching according to claim 1, wherein: and a photoelectric switch for detecting whether a PCB exists is arranged on the side part of the PCB supporting seat, and the photoelectric switch controls the start and stop of the transverse moving driving mechanism in a correlation manner.

3. The device for testing multiple PCB fast switching according to claim 2, wherein: the transverse moving driving mechanism comprises a driving cylinder, and the moving end of the driving cylinder is fixed on the PCB supporting seat.

4. The device for testing multiple PCB fast switching according to claim 3, wherein: the lifting mechanism comprises a lifting cylinder, a linear bearing for jacking and a PCB (printed circuit board) tool lifting surface, wherein the linear bearing for jacking is installed between the PCB supporting seat and the PCB tool lifting surface, and the cylinder body part of the lifting cylinder is fixed on the PCB supporting seat.

5. The device for testing multiple PCB fast switching according to claim 4, wherein: and the limiting buffer mechanism is arranged at the end of one end of the transverse moving guide rail on the base, and a firing pin is arranged on the PCB supporting seat corresponding to the limiting buffer mechanism.

6. The device for testing multiple PCB fast switching according to claim 5, wherein: the test seat is provided with a sliding chute and a plunger hole, one end of the sliding chute is fixed with a probe fixing seat, the inner end of the probe fixing seat is provided with a compressible probe, two sides of the probe box are provided with sliding blocks corresponding to the sliding chute, and the sliding blocks are matched with the sliding chute in a sliding way and are tightly pressed and fixed by a plunger screwed in the plunger hole; the tail end of the probe box is provided with a joint corresponding to the compressible probe, a vertical test probe is arranged in the probe box, and the test probe is electrically connected with the joint.

7. The device for testing multiple PCB fast switching according to claim 6, wherein: and a cable protection drag chain is connected between the lower end of the PCB supporting seat and the test seat.

8. The device for testing multiple PCB fast switching according to claim 6, wherein: the front end of the probe fixing seat is provided with a positioning pin corresponding to the probe box, and the tail end of the probe box is provided with a positioning hole.