CN220933008U - Universal test fixture for circuit board - Google Patents
Universal test fixture for circuit board Download PDFInfo
- Publication number
- CN220933008U CN220933008U CN202321822349.4U CN202321822349U CN220933008U CN 220933008 U CN220933008 U CN 220933008U CN 202321822349 U CN202321822349 U CN 202321822349U CN 220933008 U CN220933008 U CN 220933008U
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- CN
- China
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- test fixture
- universal test
- guide chute
- circuit boards
- bottom plate
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- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000003860 storage Methods 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Tests Of Electronic Circuits (AREA)
Abstract
The utility model discloses a universal test fixture for a circuit board, which comprises: the device comprises a bottom plate, a horizontal movement guide chute, a horizontal movement slide seat, a rotary pressing block, a vertical movement guide chute, a vertical movement slide seat, a first pressure head and a second pressure head. Through the mode, the universal test fixture for the circuit board can replace the prior special fixture for each product, improves the production efficiency and the detection accuracy, reduces the production cost and the maintenance cost of the later fixture, and reduces the waste of storage space.
Description
Technical Field
The utility model relates to the technical field of electronic test and measurement, in particular to a universal test fixture for a circuit board.
Background
In actual production, the shapes of the circuit boards are different and widely different. Since the track inside the optical detector testing machine is fixed and cannot be changed arbitrarily to cater for the shape of the circuit board, a rectangular jig must be made for placing the non-rectangular circuit board.
In addition, in order to enrich the functions of the product, the density of the elements on the circuit board is relatively high, the auxiliary board edge is removed, the distance between the elements and the board edge is smaller than 3mm, and the too small distance also makes the test difficult.
Therefore, each irregular rectangular circuit board to be tested by the optical detection equipment needs a special test fixture corresponding to the irregular rectangular circuit board, so that each test fixture can only be used on one product, the utilization rate is low, the manufacturing cost is greatly increased, the later maintenance cost is considerable, a large number of test fixtures need a large amount of space to store, and great difficulty is brought to maintenance and storage of the fixtures.
Disclosure of utility model
The utility model provides a universal test fixture for a circuit board, which has the advantages of high reliability, accurate positioning, compact structure and the like, and has wide market prospect in the application and popularization of electronic test measurement.
In order to solve the technical problems, the utility model adopts a technical scheme that:
There is provided a universal test fixture for a circuit board, comprising: a bottom plate, a horizontal moving guide chute, a horizontal moving slide seat, a rotary pressing block, a vertical moving guide chute, a vertical moving slide seat, a first chute, a second chute, a first pressure head and a second pressure head,
The horizontal moving guide chute and the vertical moving guide chute are arranged on the adjacent side surfaces of the bottom plate, the end parts of the horizontal moving slide seat are movably connected with the horizontal moving guide chute, so that the horizontal moving slide seat moves back and forth on the bottom plate along the horizontal moving guide chute, and the end parts of the vertical moving slide seat are movably connected with the vertical moving guide chute, so that the vertical moving slide seat moves left and right on the bottom plate along the vertical moving guide chute;
The rotary pressing blocks are opposite and can be rotatably arranged on the horizontal moving sliding seat and the bottom plate so as to press the top of the product; the first sliding groove and the second sliding groove are oppositely arranged on the bottom plate and the vertical moving sliding seat, the first pressure head is movably connected with the first sliding groove through the movable adjusting component and used for supporting products, the second pressure head is movably connected with the second sliding groove through the movable adjusting component, a supporting groove is formed in the inner end of the second pressure head, and a pressing portion used for pressing the side face of the products is arranged on the outer side of the supporting groove.
In a preferred embodiment of the present utility model, the horizontal moving guiding sliding grooves are disposed on two opposite sides of the bottom plate, and the vertical moving guiding sliding grooves are disposed on two opposite sides of the bottom plate.
In a preferred embodiment of the present utility model, the horizontal moving carriage and the vertical moving carriage are perpendicular to each other.
In a preferred embodiment of the present utility model, a plurality of the rotary compacts are provided on each of the horizontal moving carriage and the base plate.
In a preferred embodiment of the present utility model, the rotary pressing block is rotatably connected to the horizontal moving slide and the bottom plate through a rotation shaft.
In a preferred embodiment of the present utility model, the movable adjusting component includes an adjusting bolt and an adjusting nut, the adjusting bolt is movably disposed in the first chute and the second chute, and the upper portion of the adjusting bolt extends out of the first chute and the second chute and is connected with the adjusting nut, so as to fix the position of the pressing head.
In a preferred embodiment of the utility model, the base plate is provided with a detection port to accommodate detection by an optical detection machine.
In a preferred embodiment of the utility model, the horizontal movement carriage is provided with a back-out bend which facilitates movement of the movable support assembly.
In a preferred embodiment of the present utility model, the vertical moving slide is provided with a avoiding groove for facilitating the movement of the rotary pressing block.
In a preferred embodiment of the present utility model, the guiding chute is movably disposed in a fixing screw, and an upper portion of the fixing screw passes through the moving slide and is in threaded connection with the fixing nut so as to fix the position of the moving slide.
The beneficial effects of the utility model are as follows: the special fixture of every product before can replace, production efficiency and detection accuracy have been improved, production cost and later stage anchor clamps maintenance cost have still been reduced, storage space waste has been reduced.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic diagram of a universal test fixture for circuit boards according to a preferred embodiment of the present utility model;
Fig. 2 is a schematic structural diagram of a second press head in a preferred embodiment of a universal test fixture for circuit boards according to the present utility model.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, an embodiment of the present utility model includes:
A universal test fixture for a circuit board, the structure of which comprises: the device comprises a bottom plate 1, a horizontal movement guide chute 2, a horizontal movement slide seat 3, a rotary pressing block 4, a vertical movement guide chute 5, a vertical movement slide seat 6, a first chute 7, a second chute 8, a first pressure head 9 and a second pressure head 10.
The horizontal movement guide sliding grooves are oppositely arranged on two sides of the bottom plate, two ends of the horizontal movement sliding seat are respectively movably connected with the two horizontal movement guide sliding grooves, the horizontal movement sliding seat can move back and forth on the bottom plate along the horizontal movement guide sliding grooves, and the rotary pressing blocks are oppositely and rotatably arranged on the horizontal movement sliding seat and the bottom plate to compress products.
Further preferably, a plurality of the rotary compacts are provided on each of the horizontal moving slide and the base plate.
Further preferably, a groove is formed in the bottom plate, and the rotary pressing block is arranged in the groove 11 through a rotating shaft.
The vertical movement guide sliding grooves are oppositely arranged on the other two sides of the bottom plate, and two ends of the vertical movement sliding seat are respectively movably connected with the two vertical movement guide sliding grooves, so that the vertical movement sliding seat can move left and right on the bottom plate along the vertical movement guide sliding grooves.
The first chute with the second chute sets up relatively, and first spout sets up on the bottom plate, and the second chute sets up on vertical removal slide, first pressure head activity with first spout swing joint for bearing product, the second pressure head with second chute swing joint, and its inner is provided with bracket 12, the outside of bracket is provided with the portion 13 that supports that is used for compressing tightly the product side.
The two sliding seats need to be crossed and are not in the same horizontal plane, so that the difference value of the heights of the first pressure head on the bottom plate and the second pressure head on the vertically moving sliding seat needs to be compensated, and the surfaces contacted with the circuit board are kept in the same horizontal plane.
Further preferably, the pressure head is movably connected with the chute through a movable adjusting component.
Further preferably, the movable adjusting component comprises an adjusting bolt 16 and an adjusting nut, the adjusting bolt is movably arranged in the first chute and the second chute, and the upper part of the adjusting bolt extends out of the first chute and the second chute and is connected with the adjusting nut so as to fix the position of the pressure head.
It is further preferred that the base plate is provided with a detection port 14 to accommodate detection by an optical detection machine.
Further preferably, the horizontal moving sliding seat is provided with a avoiding bending part which is convenient for the movement of the movable supporting component.
Further preferably, the vertical moving sliding seat is provided with an avoidance groove which is convenient for the movement of the rotary pressing block.
Further preferably, the guide chute is movably arranged in a fixed screw, and the upper part of the fixed screw penetrates through the movable slide seat and is in threaded connection with the fixed nut so as to fix the position of the movable slide seat.
The bottom plate can cover the size frame of all circuit boards, when using, slide horizontal movement slide and vertical movement slide according to the size shape of circuit board 15 earlier to adjust the length and width of anchor clamps adaptation, then according to the shape of circuit board, slide first pressure head and second pressure head in a flexible way, adjust its position and adapt to all products, make the support groove on first pressure head and the second pressure head can play the effect of bearing bottom to the circuit board, simultaneously, the last portion of supporting that supports of second pressure head can compress tightly the side of product, rotate rotatory pressure head at last, with compress tightly fixedly to the top surface of circuit board, through foretell operation, can just can replace the special fixture of every product before only using a anchor clamps, so not only reduced the cost, reduce later stage anchor clamps maintenance cost and storage space waste, production efficiency has been improved simultaneously.
The universal test fixture for the circuit board has the beneficial effects that:
1. the manufacturing cost of the clamp for optical test is reduced, and one universal clamp can replace all other special clamps;
2. the maintenance cost of the later-stage clamp is reduced, and the maintenance work is very simple;
3. The storage cost of the clamp is reduced, and extra space is not needed for storage;
4. the operation is convenient, and circuit boards with different shapes can be obtained by only adjusting the sliding rod and the movable pressure head.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.
Claims (10)
1. A universal test fixture for a circuit board, comprising: a bottom plate, a horizontal moving guide chute, a horizontal moving slide seat, a rotary pressing block, a vertical moving guide chute, a vertical moving slide seat, a first chute, a second chute, a first pressure head and a second pressure head,
The horizontal moving guide chute and the vertical moving guide chute are arranged on the adjacent side surfaces of the bottom plate, the end parts of the horizontal moving slide seat are movably connected with the horizontal moving guide chute, so that the horizontal moving slide seat moves back and forth on the bottom plate along the horizontal moving guide chute, and the end parts of the vertical moving slide seat are movably connected with the vertical moving guide chute, so that the vertical moving slide seat moves left and right on the bottom plate along the vertical moving guide chute;
The rotary pressing blocks are opposite and can be rotatably arranged on the horizontal moving sliding seat and the bottom plate so as to press the top of the product; the first sliding groove and the second sliding groove are oppositely arranged on the bottom plate and the vertical moving sliding seat, the first pressure head is movably connected with the first sliding groove through the movable adjusting component and used for supporting products, the second pressure head is movably connected with the second sliding groove through the movable adjusting component, a supporting groove is formed in the inner end of the second pressure head, and a pressing portion used for pressing the side face of the products is arranged on the outer side of the supporting groove.
2. The universal test fixture for circuit boards of claim 1, wherein the horizontal movement guide runners are disposed opposite sides of the base plate and the vertical movement guide runners are disposed opposite sides of the base plate.
3. A universal test fixture for circuit boards according to claim 2, wherein said horizontal moving carriage is perpendicular to said vertical moving carriage.
4. The universal test fixture for circuit boards according to claim 1, wherein a plurality of said rotary compacts are provided on each of the horizontal moving slide and said base plate.
5. The universal test fixture for circuit boards according to claim 1, wherein said rotary press block is rotatably connected to said horizontal moving slide and said base plate via a rotary shaft.
6. The universal test fixture for circuit boards of claim 1, wherein the movable adjustment assembly comprises an adjustment bolt and an adjustment nut, wherein the adjustment bolt is movably disposed in the first runner and the second runner, and the upper portion of the adjustment bolt extends out of the first runner and the second runner and is connected with the adjustment nut to fix the position of the pressing head.
7. A universal test fixture for circuit boards according to claim 1, wherein the base plate is provided with a test port to accommodate the inspection of an optical inspection machine.
8. A universal test fixture for circuit boards as recited in claim 1, wherein said horizontally movable carriage is provided with a back-out bend for facilitating movement of the movable support assembly.
9. The universal test fixture for circuit boards according to claim 1, wherein the vertical moving slide is provided with a relief groove for facilitating movement of the rotary press block.
10. The universal test fixture for circuit boards according to claim 1, wherein the guide chute is movably disposed in a fixing screw, and an upper portion of the fixing screw penetrates through the moving slide and is in threaded connection with the fixing nut so as to fix the position of the moving slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321822349.4U CN220933008U (en) | 2023-07-12 | 2023-07-12 | Universal test fixture for circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321822349.4U CN220933008U (en) | 2023-07-12 | 2023-07-12 | Universal test fixture for circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220933008U true CN220933008U (en) | 2024-05-10 |
Family
ID=90960836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321822349.4U Active CN220933008U (en) | 2023-07-12 | 2023-07-12 | Universal test fixture for circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220933008U (en) |
-
2023
- 2023-07-12 CN CN202321822349.4U patent/CN220933008U/en active Active
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