CN201285406Y

CN201285406Y - Thin holding structure for circuit board

Info

Publication number: CN201285406Y
Application number: CNU2008201311900U
Authority: CN
Inventors: 吴茂祥
Original assignee: 自然兴电通科技股份有限公司
Priority date: 2008-08-15
Filing date: 2008-08-15
Publication date: 2009-08-05

Abstract

The utility model discloses a thin type clamping structure for a circuit board, comprising a working table, two bases, two digging arms and two transmission groups, wherein each base is correspondingly arranged on the working table in parallel, the arm body of each digging arm is provided with a clamping part in an open or a tight state at a proper distance, the transmission groups are respectively provided with an air pressure cylinder, a coupler and a shaft lever and are fixed on the tops of the digging arms, and the clamping parts can be moved in an axial way by the transmission groups, thus the thin type clamping structure can be formed by the assembly. In addition, the clamping structure is used for a circuit board testing device so as to become thin and have smaller volume. When the clamping structure is used, the transmission groups loose the clamping parts of the digging arms in an axial moving way, then the circuit board is arranged on a central section of the two digging arms, and the transmission groups tighten the clamping parts in an axial moving way to cause the circuit board to be fixed on the central section of the two digging arms and obtain uniform and sufficient stress.

Description

The thin type clamp structure of circuit board

Technical field

The utility model relates to a kind of circuit board testing machine, particularly relevant for a kind of thin type clamp structure that is used for circuit board.

Background technology

Because electronic industry is maked rapid progress, the circuit design of electronic product is also increasingly sophisticated, and for whether testing circuit board has intrinsic identical function after output, depending on accurately, circuit board testing jig reaches testing goal.

Circuit board is an electronic product that is full of complicated circuit.The three big problems that the circuit board testing machine clamp structure is faced are: the firstth, how to simplify under the prerequisite of assembly, and improve the excessive problem of volume; The secondth, how to make the power abundance of clamping circuit board; And the 3rd be how to assemble clamp structure fast.The circuit board testing machine that No. the 540703rd, available circuit board test machine such as TaiWan, China patent announcement, just have problem above-mentioned to be improved simultaneously, again, because circuit board is diversified in specifications, how rapid adjustment cooperates the suitable distance of circuit board size, and also being needs the problem that solves.

The utility model content

Description based on the above-mentioned background technology, though the employed structure of available circuit board test machine can make circuit board finish test job, but it is excessive to have volume separately, complex structure, and low shortcoming of efficient and inconvenience, in order to address the above problem, the purpose of this utility model is to provide a kind of thin type clamp structure of circuit board testing machine, is used to make the clamp structure area thinner.

Another purpose of the present utility model is for providing a kind of thin type clamp structure of circuit board, but is used for the circuit board of the various different sizes of rapid adjustment, and further reduces the required time of clamp structure of changing.

Another purpose of the present utility model is for providing a kind of thin type clamp structure of circuit board, can make after the circuit board clamping more firmly, makes circuit board more accurate through the tool test time.

Another purpose of the present utility model can make when the clamping circuit board for a kind of thin type clamp structure of circuit board is provided, and its holding force is more evenly sufficient.

To achieve these goals, the utility model provides a kind of thin type clamp structure of circuit board, is applicable to the test of circuit board, and this clamp structure comprises at least: a worktable; Two pedestals, respectively this pedestal is that opposing parallel is located on the worktable; Two lever arms are provided with one in each arm body of suitable distance and can be the clamping part of opening or fiting; Two transmission groups, comprise a pneumatic cylinder is respectively arranged, a shaft coupling and an axostylus axostyle, the top of this lever arm is fixed in this transmission group system, can moving this clamping part of axle.

Can be the thin type clamp structure by combinations thereof.This thin type clamp structure is made up of worktable, pedestal, lever arm and transmission group.This clamp structure of utilization can make clamping device attenuation, volume littler in circuit board testing machine.When using this clamp structure, with the moving clamping part that unclamps this lever arm of this transmission group axle, after circuit board is put two lever arms the central area, transmission group gives moving this clamping part that fits of axle again, make circuit board be fixed on the central area of two lever arms, and obtain even and sufficient stressed.

Description of drawings

Fig. 1 is the stereographic map of thin type clamp structure of the circuit board testing machine of a preferred embodiment of the present utility model;

Fig. 2 is that the clamping part of thin type clamp structure of the circuit board testing machine of a preferred embodiment of the present utility model is opened synoptic diagram;

Fig. 3 fits synoptic diagram for the clamping part of the thin type clamp structure of the circuit board testing machine of a preferred embodiment of the present utility model

Wherein, Reference numeral:

Worktable 1

Pedestal 2

Lever arm 3

Arm body 31

Clamping part 32

Groove 311

Bearing 321

Edge 33

Transmission group 5

Pneumatic cylinder 51

Gas admittance valve 511

Air outlet valve 512

Shaft coupling 52

Axostylus axostyle 53

Adjustment part 6

Slide rail set 61

Slide rail 611

Track 612

Drivening piece 62

Screw rod 63

Adjust button 64

Fixture 65

Embodiment

The utility model relates to a kind of thin type clamp structure of circuit board testing machine.The thin type clamp structure of following this road board test machine of explanation earlier illustrates its using method again.

Please refer to Fig. 1 to Fig. 3, a preferred embodiment of the utility model thin type clamp structure comprises a worktable 1, two pedestals 2, two lever arms 3 and two transmission groups 5 at least; Respectively this pedestal 2 is located on the worktable 1 for opposing parallel, and two lever arms 3 are in suitable distance, and each arm body 31 is provided with one can be the clamping part 32 of opening or fiting; Two transmission groups 5 respectively include a pneumatic cylinder 51, a shaft coupling 52 and an axostylus axostyle 53, and this transmission group 5 is fixed in the top of this lever arm 3, can move this clamping part 32 by axle, by combinations thereof, can be the thin type clamp structure.

This lever arm 3 is provided with an adjustment part 6, this adjustment part 6 includes a slide rail set 61, two drivening pieces 62 and a screw rod 63, to adjust the displacement of this lever arm 3, wherein this slide rail set is made up of two slide rails 611 and a track 612, this slide rail 611 is fixed in the appropriate location of this lever arm 3, this drivening piece 62 is located in two ends of this screw rod 63, and be individually fixed in the slide rail set below 61 of this lever arm 3, the displacement of this slide rail set 61 and this drivening piece 62 start simultaneously lever arm 3, this drivening piece 62 is provided with one and adjusts a button 64 and a fixture 65, this adjustment button 64 is established a side of this screw rod 63, be used to adjust the displacement of this drivening piece 62, this fixture 65 is located between this drivening piece 62 and this adjustment button 64, be unlikely mobile to fix this lever arm 3, wherein this adjustment button 64 is provided with distance scale, and this fixture 65 is to screw fastening this lever arm 3 of mode.

The arm body of this lever arm 3 is provided with a groove 311, puts for this axostylus axostyle 53, and the clamping part 32 of this lever arm 3 is embedded at the appropriate location of this arm body 31, the side that this axostylus axostyle 53 and axle are worn this clamping part 32.The axle of this clamping part 32 is worn the place, and two ends are respectively equipped with a bearing 321, wear for this axostylus axostyle 53.The bottom side of these arm body 31 opposing parallel, but the edge 33 that power circuit board both sides plug be provided with.This pneumatic cylinder 51 is connected with a gas admittance valve 511 and air outlet valve 512, with the unlatching of moving this clamping part 32 of axle or fit.

Therefore the thin type clamp structure of a kind of circuit board testing machine of providing of the utility model, this thin type clamp structure is made up of worktable, pedestal, lever arm and transmission group.Use this clamp structure in circuit board testing machine, can make clamping device attenuation, volume littler.When using this clamp structure, with the moving clamping part that unclamps this lever arm of this transmission group axle, after circuit board is put two lever arms the central area, transmission group gives moving this clamping part that fits of axle again, make circuit board be fixed on the central area of two lever arms, and obtain even and sufficient stressed.

The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims

1. the thin type clamp structure of a circuit board is used for circuit board testing, it is characterized in that, this clamp structure comprises at least:

One worktable;

Two pedestals, each pedestal opposing parallel is located on the worktable;

Two lever arms are provided with one at suitable each arm body of distance and can be the clamping part of opening or fiting;

Two transmission groups respectively include a pneumatic cylinder, a shaft coupling and an axostylus axostyle, and this transmission group is fixed in the top of this lever arm, moving this clamping part of axle.

2. thin type clamp structure as claimed in claim 1, it is characterized in that, this lever arm is provided with a displacement adjustment part that is used to adjust this lever arm, this adjustment part includes a slide rail set, two drivening pieces and a screw rod, wherein this slide rail set is made up of two slide rails and a track, and this slide rail is fixed in the appropriate location of this lever arm, and this drivening piece is located in two ends of this screw rod, and be individually fixed in below the slide rail set of this lever arm the displacement of this slide rail set and this drivening piece start simultaneously lever arm.

3. thin type clamp structure as claimed in claim 2, it is characterized in that, this drivening piece is provided with the fixture that an adjustment button and that is used to adjust the displacement of this drivening piece is used for fixing the distance of this lever arm, this adjustment button is located at a side of this screw rod, and this fixture is located between this drivening piece and this adjustment button.

4. thin type clamp structure as claimed in claim 1 is characterized in that, the arm body of this lever arm is provided with a groove for this axostylus axostyle storing.

5. thin type clamp structure as claimed in claim 1 is characterized in that the clamping part of this lever arm is embedded at the appropriate location of this arm body, the side that this axostylus axostyle and axle are worn this clamping part.

6. thin type clamp structure as claimed in claim 5 is characterized in that, the axle of this clamping part is worn the place, and two ends are respectively equipped with a bearing that supplies this screw rod to wear.

7. thin type clamp structure as claimed in claim 1 is characterized in that, the bottom side of this arm body opposing parallel, but be provided with the edge that power circuit board both sides plug.

8. thin type clamp structure as claimed in claim 1 is characterized in that, this pneumatic cylinder is connected with a gas admittance valve and an air outlet valve, and axle moves the unlatching of this clamping part or fits.