CN211426698U - Floating jig and testing device for FCT (circuit board test) - Google Patents
Floating jig and testing device for FCT (circuit board test) Download PDFInfo
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- CN211426698U CN211426698U CN201921286581.4U CN201921286581U CN211426698U CN 211426698 U CN211426698 U CN 211426698U CN 201921286581 U CN201921286581 U CN 201921286581U CN 211426698 U CN211426698 U CN 211426698U
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Abstract
The utility model discloses a tool and testing arrangement float for circuit board FCT test, it includes the base, be provided with the probe that is used for switching on the circuit board on the base, be provided with on the base probe parallel arrangement's guide pillar, be connected with the kickboard that can follow probe axial displacement on the guide pillar, the kickboard with be provided with the pressure spring between the base, be provided with on the kickboard and be used for circuit board location structure and be used for supplying the through-hole that the probe passed. The utility model is not only simple in structure, the damage that the descending impact force of buffer circuit board caused the probe moreover effectively.
Description
Technical Field
The utility model relates to a tool and FCT testing arrangement float belongs to circuit board test frock technical field, concretely relates to tool and circuit board FCT testing arrangement float for circuit board FCT tests.
Background
With the improvement of living standard of people, various electronic products are on the market in large quantity, the requirements on the manufacturing process and the stability of a circuit board are higher and higher, the on-off test and the functional test of the circuit board are more and more important, the product can be accepted by the market only after the rigorous test, so that the FCT function test is generally carried out on the circuit board of the product before the electronic and electric products are assembled, and how to improve the service life of a test fixture and improve the conduction stability is an important problem in the industry.
Disclosure of Invention
An object of the utility model is to provide a tool and circuit board FCT testing arrangement float for circuit board FCT test, its simple structure not only can cushion the damage that the descending impact force of circuit board caused the probe effectively moreover.
For solving the technical problem, the utility model discloses a such a tool that floats for circuit board FCT test, it includes the base, be provided with the probe that is used for switching on the circuit board on the base, be provided with on the base probe parallel arrangement's guide pillar, be connected with the kickboard that can follow probe axial displacement on the guide pillar, the kickboard with be provided with the pressure spring between the base, be provided with on the kickboard and be used for circuit board location structure and be used for the confession the through-hole that the probe passed.
In a preferred embodiment of the present invention, the circuit board positioning structure is a groove formed on the floating plate.
In a preferred embodiment of the present invention, the compression spring is sleeved on the guide pillar.
In a preferred embodiment of the present invention, the floating plate is provided with a positioning hole.
In a preferred embodiment of the present invention, the probe and the base are arranged perpendicular to each other.
The utility model discloses an in the preferred embodiment, the guide pillar is the I-shaped, the guide pillar with the kickboard rigid coupling, be provided with on the base be used for with guide pillar complex linear bearing.
In a preferred embodiment of the present invention, the guide pillar is T-shaped, and the guide pillar is fixedly connected to the base screw.
The utility model also discloses a circuit board FCT testing arrangement, which comprises a frame, be provided with in the frame and mutually support the last tool and the lower tool that switch on the circuit board, it is located to go up the tool down the tool top, the tool is aforementioned tool that floats down.
The utility model discloses an in the preferred embodiment, the lower extreme rigid coupling of tool that floats has the horizontal guide slider mechanism that the level was arranged, horizontal guide slider mechanism's slider with the tool rigid coupling floats.
In a preferred embodiment of the present invention, the lower end of the floating fixture is connected to a lifting cylinder arranged along a vertical direction.
In a preferred embodiment of the present invention, the upper end of the upper jig is connected to a lifting cylinder arranged along a vertical direction.
In a preferred embodiment of the present invention, the upper jig is provided with a positioning column for matching with the positioning hole on the floating plate.
The utility model discloses an in a preferred embodiment, go up the other vertical guide rail slider mechanism that is provided with along vertical direction arrangement of tool, vertical guide rail slider mechanism's slider with go up the tool rigid coupling.
The utility model has the advantages that: the utility model has simple structure and convenient use, and the elastic floating plate which can move up and down is added above the base, so that the circuit board can be effectively buffered when moving down, the impact force of the circuit board to the probe is avoided, and the service life of the probe is prolonged; furthermore, the utility model discloses two arrangement schemes of the floating plate, which not only has simple structure, but also is convenient for disassembly; further, the utility model also discloses a circuit board FCT testing arrangement, thereby it has improved the life and the stability of switching on of probe among the testing arrangement effectively through just using aforementioned floating jig.
Drawings
Fig. 1 is a cross-sectional view of a floating fixture for FCT testing of a circuit board according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a floating fixture for FCT testing of a circuit board according to an embodiment of the present invention;
fig. 3 is a front view of a circuit board FCT testing apparatus according to an embodiment of the present invention;
fig. 4 is a side view of a circuit board FCT testing apparatus according to an embodiment of the present invention;
fig. 5 is a schematic view of an upper jig of a device for testing a circuit board FCT according to an embodiment of the present invention;
in the figure: 1-a base; 2-a probe; 3-a guide pillar; 4-floating plate; 5-a pressure spring; 6-a circuit board positioning structure; 7-a through hole; 8-horizontal guide rail slide block mechanism; 9-vertical guide rail slider mechanism; 10-a circuit board; 11-a positioning hole; 12-a positioning column; a-a frame; b, mounting a jig; c, lower jig.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The FCT test of the invention is a test method for providing a simulated operating environment for a test target board to enable the test target board to work in various design states, so that the parameters of each state are obtained to verify the function of the test board. The traditional circuit board test is a manual insertion test or a manual pressing test of a tool, the test efficiency is low, and the labor intensity of operators is high. The automation degree of the current FCT testing method is improved to a certain extent, but the operation requirement of a production line cannot be met, for example, the specification of CN205193230U discloses an automatic PCB FCT testing machine, which comprises a frame, wherein the frame comprises a test board and a mechanical mechanism, the mechanical mechanism is arranged on a control board and an operation cavity which are positioned above the test board, the operation cavity is provided with a left test fixture and a right test fixture, the test fixtures comprise an upper die pressing mechanism, the upper die pressing mechanism is connected with the upper end of the frame and is provided with an upper die for the fixture, and the upper die is used for pressing a PCB to be tested to be in contact with the upper die of the fixture and electrically conducted with a testing; the lower die sliding table mechanism is arranged above the test board and can slide inside and outside, and comprises a lower jig die, a lower die and a lower die sliding table mechanism, wherein the lower jig die is used for pressing the PCB to be tested to be in contact with an upper jig die and meshed with the upper jig die; the cylinder mechanism is connected with last mould pushing mechanism and lower mould slip table mechanism respectively for go up the lift of mould pushing mechanism and the inside and outside slip of lower mould slip table mechanism, this utility model though can improve PCB efficiency of software testing and precision, its probe is the rigid contact with the circuit board, can cause the damage to the probe when last mould pushing mechanism pushes down excessively.
As can be seen from the attached drawings of the specification of the utility model, the utility model discloses a floating jig for FCT test of a circuit board, which comprises a base 1, wherein a probe 2 for conducting the circuit board is arranged on the base 1, the probe 2 is arranged perpendicular to the base 1, a guide pillar 3 with the probe 2 arranged in parallel is arranged on the base 1, a floating plate 4 arranged perpendicular to the probe 2 is connected on the guide pillar 3 in a sliding fit manner, a pressure spring 5 is arranged between the floating plate 4 and the base 1, a circuit board positioning structure 6 for positioning the circuit board and a through hole 7 for the probe 2 to pass through are arranged on the floating plate 4, the circuit board positioning structure 6 can adopt a groove structure as shown in the attached drawings, the shape of the groove corresponds to that of the circuit board, the depth of the groove can be smaller than the thickness of the circuit board 10, the lower end surface of the upper jig can be made, or when the depth of the groove is greater than or equal to the thickness of the circuit board 10, a lower boss for pressing down the circuit board 10 can be manufactured on the lower end surface of the upper jig at the moment, and the circuit board 10 is pressed down by the lower boss (the lower boss does not interfere with the probe 2); meanwhile, the circuit board positioning structure 6 may adopt a boss structure, and the boss is matched with and positioned on four sides of the circuit board 10. The probe 2 passes through the through-hole 7 and gets into electric shock contact with the switch-on of circuit board, and the through-hole 7 can be a processing and the through-hole of through-hole 7 bottom, also can be a plurality of round holes, and the number of round hole is corresponding with the number of arranging the position with probe 2 with arranging the position, and pressure spring 5 can coaxial suit in guide pillar 3, also can process the recess that is used for fixing a position pressure spring 5 on the up end of base 1 and the lower terminal surface of kickboard 4, and pressure spring 5 installs in 2 pressure springs 5. The utility model discloses a guide pillar 3 can adopt following two kinds of technical scheme, and guide pillar 3 is the I-shaped, and guide pillar 3 and 4 rigid couplings of kickboard are provided with on the base 1 and are used for with 3 complex linear bearing of guide pillar, and guide pillar 3 and kickboard 4 pass through the whole up-and-down motion of linear bearing direction, and 10 contact probes 2 can be taken to kickboard 4 down this moment time. Or the guide post 3 is T-shaped, and the guide post 3 is fixedly connected with the base 1 through threads. It should be noted that the probe of the present invention belongs to the prior art, and the probe mentioned in CN203191516U, CN204314428U or CN205594133U can be adopted as long as it can conduct the circuit board 10. By using the floating jig disclosed by the invention, the circuit board 10 can be subjected to the reaction force of the pressure spring 5 when moving downwards, so that the impact force of the circuit board 10 on the probe 2 is effectively relieved, and the service life of the probe 2 is prolonged.
Furthermore, the invention discloses a circuit board FCT testing device, which comprises a rack A, wherein an upper jig B and a lower jig C which are mutually matched to conduct a circuit board are arranged on the rack A, the upper jig B is positioned above the lower jig C, the upper jig B can be downwards matched with the lower jig C to conduct the circuit board 10, or the lower jig C is upwards arranged on the upper jig B to conduct the circuit board 10 in a matched mode, and the lower jig C is the floating jig.
In an embodiment shown in the attached figure 3 of the specification, a technical scheme that an upper jig B descends and a lower jig C are matched to conduct a circuit board 10 is adopted, the upper end of the upper jig B is connected with a lifting cylinder arranged along the vertical direction, a vertical guide rail sliding block mechanism 9 arranged along the vertical direction is arranged beside the upper jig B, a sliding block of the vertical guide rail sliding block mechanism 9 is fixedly connected with the upper jig B, wherein the moving mode of the upper fixture B can refer to the structure shown in CN105510799A or CN205594133U, the lower end of the floating fixture is fixedly connected with a horizontal guide rail sliding block mechanism 8 which is horizontally arranged, a sliding block of the horizontal guide rail sliding block mechanism 8 is fixedly connected with the floating fixture, the horizontal guide rail sliding block mechanism 8 can refer to the arrangement mode of CN105510799A, the horizontal guide rail sliding block mechanism 8 can drive the lower fixture C to move from the upper fixture to the conducting station, thereby facilitating the detection of the circuit board 10 and improving the safety of the components on the circuit board 10.
Further, the utility model discloses a tool B is to the loading precision of kickboard 4 in the assurance, and it is through setting up 4 locating holes 11 on kickboard 4, go up the direction when setting up 4 reference columns 12 on tool B's the lower terminal surface and having realized both relative motion, and when going up tool B down, its reference column 12 at first inserts the locating hole 11 cooperation of kickboard 4, guarantees kickboard 4 and last tool B's axiality, then goes up tool B and continues to drive kickboard 4 down and switch on down.
The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (10)
1. The utility model provides a tool that floats for circuit board FCT test, includes base (1), be provided with probe (2) that are used for switching on the circuit board on base (1), its characterized in that: the probe structure is characterized in that guide pillars (3) arranged in parallel with the probe (2) are arranged on the base (1), floating plates (4) capable of moving along the axial direction of the probe (2) are connected onto the guide pillars (3), pressure springs (5) are arranged between the floating plates (4) and the base (1), and through holes (7) used for a circuit board positioning structure (6) and for the probe (2) to pass through are formed in the floating plates (4).
2. The floating fixture for the FCT test of the circuit board according to claim 1, wherein: the pressure spring (5) is sleeved on the guide post (3).
3. The floating fixture for the FCT test of the circuit board according to claim 1, wherein: and the floating plate (4) is provided with a positioning hole (11).
4. The floating fixture for the FCT test of the circuit board according to claim 1, wherein: the guide post (3) is I-shaped, the guide post (3) is fixedly connected with the floating plate (4), and the base (1) is provided with a linear bearing which is used for being matched with the guide post (3).
5. The floating fixture for the FCT test of the circuit board according to claim 1, wherein: the guide post (3) is T-shaped, and the guide post (3) is fixedly connected with the base (1) through threads.
6. The utility model provides a circuit board FCT testing arrangement, includes frame (A), be provided with in frame (A) and mutually support last tool (B) and lower tool (C) that switch on the circuit board, it is located to go up tool (B) tool (C) top, its characterized in that down: the lower jig (C) is the floating jig according to any one of claims 1 to 5.
7. The device for testing a circuit board FCT according to claim 6, wherein: the lower end of the floating jig is fixedly connected with a horizontal guide rail sliding block mechanism (8) which is horizontally arranged, and a sliding block of the horizontal guide rail sliding block mechanism (8) is fixedly connected with the floating jig.
8. The device for testing a circuit board FCT according to claim 6, wherein: the upper end of the upper jig (B) is connected with a lifting cylinder which is arranged along the vertical direction.
9. The device for testing a circuit board FCT according to claim 8, wherein: and a vertical guide rail sliding block mechanism (9) arranged along the vertical direction is arranged beside the upper jig (B), and a sliding block of the vertical guide rail sliding block mechanism (9) is fixedly connected with the upper jig (B).
10. The device for testing a circuit board FCT according to claim 6, wherein: and the upper jig (B) is provided with a positioning column (12) which is used for being matched with the positioning hole (11) on the floating plate (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921286581.4U CN211426698U (en) | 2019-08-09 | 2019-08-09 | Floating jig and testing device for FCT (circuit board test) |
Applications Claiming Priority (1)
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CN201921286581.4U CN211426698U (en) | 2019-08-09 | 2019-08-09 | Floating jig and testing device for FCT (circuit board test) |
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CN211426698U true CN211426698U (en) | 2020-09-04 |
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CN201921286581.4U Active CN211426698U (en) | 2019-08-09 | 2019-08-09 | Floating jig and testing device for FCT (circuit board test) |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113588991A (en) * | 2021-07-26 | 2021-11-02 | 深圳市欧米加智能科技有限公司 | Butt-joint positioning test device for small connector |
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2019
- 2019-08-09 CN CN201921286581.4U patent/CN211426698U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113588991A (en) * | 2021-07-26 | 2021-11-02 | 深圳市欧米加智能科技有限公司 | Butt-joint positioning test device for small connector |
CN113588991B (en) * | 2021-07-26 | 2022-06-28 | 深圳市欧米加智能科技有限公司 | Make-up positioning test device of small connector |
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