CN203657642U - Circuit board inspection apparatus - Google Patents
Circuit board inspection apparatus Download PDFInfo
- Publication number
- CN203657642U CN203657642U CN201320608166.2U CN201320608166U CN203657642U CN 203657642 U CN203657642 U CN 203657642U CN 201320608166 U CN201320608166 U CN 201320608166U CN 203657642 U CN203657642 U CN 203657642U
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- circuit board
- circuit
- under test
- plate
- outstanding
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model provides a circuit board inspection apparatus which is used for inspecting the dimension of a to-be-tested circuit board. The to-be-tested circuit board is provided with at least two penetration structures positioned around a circuit region. The circuit board inspection apparatus comprises a board, wherein the side of one surface of the board is identical to the dimension of a circuit arrangement surface of a standard circuit board made according to the designed dimension of the to-be-tested circuit board. The circuit board inspection apparatus furthermore comprises at least two protruding structures disposed on the board and corresponding to the at least two penetration structures. The at least two protruding structures can go into at least two penetration structures on the standard circuit board at the same time, and when the at least two protruding structures go into the at least two penetration structures on the standard circuit board at the same time, a movable length of the standard circuit board in a direction that the standard circuit board is parallel with the circuit arrangement surface is smaller than or equal to the design error. The circuit board inspection apparatus helps to improve the precision and efficiency of circuit board dimension inspection.
Description
Technical field
The utility model relates to circuit board and checks technical field, particularly a kind of circuit board checker.
Background technology
In circuit board process, because the problem such as quality, life-span of milling cutter easily causes the problems such as breaking, unit exception, jumping milling, external form be bigger than normal, less than normal.And above-mentioned Arbitrary Fault all can cause the physical dimension of the circuit board of making cannot meet client's requirement.
Therefore, flow into market/visitor for fear of substandard product, the physical dimension inspection of family before circuit board dispatches from the factory is one necessary technique.
Existing circuit board dimension inspection method generally artificially checks by visual method, and supervisory personnel's experience is depended in the inspection of this method to a great extent, and therefore precision is limited, also will expend a large amount of manpowers simultaneously.
Utility model content
The object of the utility model embodiment is to provide a kind of circuit board checker, improves precision and the efficiency of circuit board checking the configuration.
To achieve these goals, the utility model embodiment provides a kind of circuit board checker, for circuit board under test is carried out to dimension inspection, on described circuit board under test, be provided with and be positioned at least two of circuit region periphery and run through structure, described circuit board checker comprises:
Plate body, size is measure-alike with the preferred circuit plate of producing according to the design size of described circuit board under test;
Run through structure corresponding to described at least two, be arranged at least two outstanding structures on described plate body;
At least two of can simultaneously enter on described preferred circuit plate of described at least two outstanding structures are run through structure, and enter on described preferred circuit plate at least two while running through structure in described at least two outstanding structures, the distance that described preferred circuit plate can move in the direction parallel with circuit installation surface is less than or equal to design error simultaneously.
Above-mentioned circuit board checker, wherein, described circuit board under test comprises multiple circuit under test modules, and each circuit under test module periphery runs through structure described in being provided with at least two, and described circuit board checker also comprises:
Corresponding to each circuit under test module, be arranged at the comparison part on described plate body, the preferred circuit module on described relatively part and described preferred circuit plate measure-alike.
Above-mentioned circuit board checker, wherein, described in each, outstanding structure comprises two pins, on described plate body, be provided with the first inspection hole and the second inspection hole of placing described two pins for correspondence, described the first inspection hole is corresponding to the lower cutter point that runs through structure, and described the second inspection hole is corresponding to running through returning sword a little of structure.
The utility model embodiment at least has following beneficial effect:
In circuit board checker due to the utility model embodiment, the feature of the size design by outstanding structure, it can enter the structure that runs through on described preferred circuit plate simultaneously, and enter on described preferred circuit plate at least two while running through structure in described at least two outstanding structures, the distance that described preferred circuit plate can move in the direction parallel with circuit installation surface is less than or equal to design error simultaneously.Therefore, when described at least two outstanding structures cannot enter on described preferred circuit plate at least two while running through structure simultaneously, or the described circuit board under test distance that can move in the direction parallel with circuit installation surface is while being greater than described design error, judges that circuit board under test is defective.
Therefore, the method for estimating with respect to the overlooker of prior art, has got rid of the individual difference between different overlookers, has improved the precision of checking the configuration, has also improved checking efficiency.
Accompanying drawing explanation
The brief configuration schematic diagram of Fig. 1 indication circuit plate;
Fig. 2 represents the structural representation of the circuit board checker of the utility model embodiment
Fig. 3 a represents the position view of outstanding structure;
Fig. 3 b-3e represents the various schematic diagram that run through structure of supposing for interpretation principle;
Fig. 4 a-4b represents the product schematic diagram in the manufacturing process of circuit board checker of the utility model embodiment.
Embodiment
In the circuit board checker of the utility model embodiment, by the design of outstanding structure, whether overlooker can be met the requirements according to the physical dimension that changes the next direct check circuit plate of matching relationship that runs through structure and outstanding structure, improved the precision of checking the configuration, also improved checking efficiency.
In order to make follow-up explanation easier to understand, first as follows to common board structure of circuit brief description at this.
As shown in Figure 1, typically, generally comprise multiple circuit modules 12 on a circuit board under test 1, these circuit modules 12 all need to test.And for follow-up convenience of taking apart (certainly also have other reason, do not describe one by one at this), between circuit module 12 and between circuit module 12 and outer peripheral areas 13, all there is the structure of running through 11.
The utility model embodiment utilizes the above-mentioned structure 11 that runs through to carry out design circuit board checking device just.
Shown in Fig. 1, be all the circuit region periphery that is distributed in circuit module 12 because these run through structure 11, therefore run through structure and departed from design size, the size of corresponding circuit module 12 also will be defective accordingly.
Based on above-mentioned feature, shown in Fig. 1 and Fig. 2, the utility model embodiment provides a kind of circuit board checker 2, for circuit board under test is carried out to dimension inspection, on described circuit board under test, be provided with and be positioned at least two of circuit region periphery and run through structure 11, described circuit board checker comprises:
Plate body, size is measure-alike with the preferred circuit plate of producing according to the design size of described circuit board under test;
Run through structure 11 corresponding to described at least two, be arranged at least two outstanding structures 21 on described plate body;
At least two of can simultaneously enter on described preferred circuit plate of described at least two outstanding structures 21 are run through structure 11, and enter on described preferred circuit plate at least two while running through structure 11 in described at least two outstanding structures 21, the distance that described preferred circuit plate can move in the direction parallel with circuit installation surface is less than or equal to design error simultaneously.
In conjunction with Fig. 3 a-Fig. 3 c, the requirement of above two aspects for outstanding structure is explained as follows.
Mention, running through structure 11 is all the circuit region periphery that is distributed in circuit module 12 before, therefore runs through structure and has departed from design size, and the size of corresponding circuit module 12 also will be defective accordingly.
As shown in Figure 3 a, the position of supposing desirable outstanding structure 21 is as shown in figure a.
When the arrangement that runs through structure on circuit board under test as shown in Figure 3 b, now, although outstanding structure can enter and run through structure simultaneously, but larger owing to running through physical dimension, therefore the distance that circuit board under test can move on (being the Y-direction in Fig. 3 b) is in the vertical direction greater than design error, and therefore circuit board size can be greater than design size.
When the arrangement that runs through structure on circuit board under test as shown in Figure 3 c, now, although outstanding structure can enter and run through structure simultaneously, but larger owing to running through physical dimension, therefore the distance that circuit board under test can move on (being the parallel direction of the Y-direction in Fig. 3 b) is in the horizontal direction greater than design error, and therefore circuit board size can be greater than design size.
When the arrangement that runs through structure on circuit board under test as shown in Figure 3 d, now, although outstanding structure can enter and run through structure simultaneously, but larger owing to running through physical dimension, therefore the distance that circuit board under test can move in (being the Y-direction in Fig. 3 b) and horizontal direction (being the parallel direction of the Y-direction in Fig. 3 b) is in the vertical direction greater than design error, and therefore circuit board size can be greater than design size.
When the arrangement that runs through structure on circuit board under test as shown in Figure 3 e, now, outstanding structure cannot enter and run through structure at all, therefore circuit board size can be less than design size.
Certainly, above is only several sizes for example, certainly also have that other various profile is defective can both utilize above-mentioned outstanding structure to check, differ and one illustrate at this.
In the above-described embodiment, only utilize the design of outstanding structure can realize the inspection of physical dimension.And in conjunction with shown in Fig. 1, described circuit board under test comprises multiple circuit under test modules 12, each circuit under test module 12 periphery runs through in structure 11(Fig. 1 described in being provided with at least two and is each one up and down, but can be also above and below quantity difference), described circuit board checker also comprises:
Corresponding to each circuit under test module 12, be arranged at the comparison part 22 on described plate body, the preferred circuit module on described relatively part 22 and described preferred circuit plate measure-alike.
By the relatively design of part, can also make supervisory personnel differentiate in conjunction with ocular estimate.
In specific embodiment of the utility model, above-mentioned outstanding structure can be various structures, as with the projecting block that runs through physical dimension and mate, but in order to reduce the difficulty of realization, in specific embodiment of the utility model, shown in Fig. 2, described in each of circuit board checker, outstanding structure comprises two pins 211, on described plate body, be provided with the first inspection hole and the second inspection hole of placing described two pins 211 for correspondence, wherein said the first inspection hole is corresponding to the lower cutter point that runs through structure, described the second inspection hole is corresponding to running through returning sword a little of structure.
In fact, two above-mentioned inspection holes have been located two end points that run through structure, as long as by the size of the cutter head that is designed and sized to milling cutter of pin, the now inspection of the Y-direction in Fig. 3 b directly can be checked by the size of pin, when the size that runs through structure Y-direction too hour, pin cannot enter, and oversize, circuit board can move in Y-direction.
Under this mode, reduce the cost of testing fixture and realized difficulty by pin.
In order better to realize above-mentioned purpose, the utility model embodiment also provides a kind of method for making of circuit board checker, described circuit board checker is for carrying out dimension inspection to circuit board under test, on described circuit board under test, be provided with and be positioned at least two of circuit region periphery and run through structure, described method for making comprises:
One plate body is provided, and the size of described plate body is measure-alike with the preferred circuit plate of producing according to the design size of described circuit board under test;
Run through structure, at least two outstanding structures of setting on described plate body corresponding to described at least two;
At least two of can simultaneously enter on described preferred circuit plate of described at least two outstanding structures are run through structure, and enter on described preferred circuit plate at least two while running through structure in described at least two outstanding structures, the distance that described preferred circuit plate can move in the direction parallel with circuit installation surface is less than or equal to design error simultaneously.
Be described in detail as follows.
The detailed process of the method for making of above-mentioned circuit board checker, as shown in Fig. 4 a-4b, comprising:
First by design software, the checkpoint of cutter path and upper and lower cutter is identified out, and the drilling of outgoing inspection drawing and checkpoint, and the hole site of upper and lower point is identified out, the product as shown in Fig. 4 a formed;
Secondly, provide a plate body, after selecting as requested suitable brill to chew, on plate body (can adopt PCB without copper base), get out the checkpoint of all upper and lower cuttves, form product as shown in Figure 4 b;
In this step, external form adds man-hour, and from the path of milling cutter, lower cutter point, a location device checkpoint of returning sword, get out checkpoint, measures position, the hole precision of checkpoint through Quadratic Finite Element, guarantees that checkpoint precision meets the demands.
Again, measure position, the hole precision of all checkpoints by Quadratic Finite Element, to meet the requirement of client's external form tolerance.The substrate of test passes is loaded onto after pin, formed an overall dimensions testing fixture as shown in Figure 2.
In this step, need to select suitable pin according to the size of milling cutter, form an overall dimensions testing fixture.
After PCB machine-shaping, select the overall dimensions testing fixture of corresponding model, the product after processing is measured, after product is qualified, proceed to lower operation; Substandard product picks out to be reprocessed or the processing of doing over again.
In order better to realize above-mentioned purpose, the utility model embodiment also provides a kind of inspection method, for circuit board under test is carried out to dimension inspection, on described circuit board under test, be provided with and be positioned at least two of circuit region periphery and run through structure, described inspection method comprises:
One circuit board checker is provided, described circuit board checker comprises the measure-alike plate body of size and the preferred circuit plate produced according to the design size of described circuit board under test, and run through structure corresponding to described at least two, be arranged at least two outstanding structures on described plate body;
Circuit board under test correspondence is positioned over to described circuit board checker top, and at least two that whether at least two outstanding structures can enter on described circuit board under test simultaneously described in judgement run through structure;
When described at least two outstanding structures can enter on described circuit board under test at least two while running through structure simultaneously, judge whether the distance that described circuit board under test can move in the direction parallel with circuit installation surface is less than or equal to design error, if so, judge that circuit board under test is qualified;
When described at least two outstanding structures cannot enter on described circuit board under test at least two while running through structure simultaneously, or the described circuit board under test distance that can move in the direction parallel with circuit installation surface is while being greater than described design error, judges that circuit board under test is defective.
The utility model embodiment at least has following beneficial effect:
In circuit board checker due to the utility model embodiment, the feature of the size design by outstanding structure, it can enter the structure that runs through on described preferred circuit plate simultaneously, and enter on described preferred circuit plate at least two while running through structure in described at least two outstanding structures, the distance that described preferred circuit plate can move in the direction parallel with circuit installation surface is less than or equal to design error simultaneously.Therefore, when described at least two outstanding structures cannot enter on described preferred circuit plate at least two while running through structure simultaneously, or the described circuit board under test distance that can move in the direction parallel with circuit installation surface is while being greater than described design error, judges that circuit board under test is defective.
Therefore, the method for estimating with respect to the overlooker of prior art, has got rid of the individual difference between different overlookers, has improved the precision of checking the configuration, has also improved checking efficiency.
The above is the utility model preferred embodiment; it should be pointed out that to those skilled in the art, do not departing under the prerequisite of principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as the utility model protection domain.
Claims (3)
1. a circuit board checker, for circuit board under test is carried out to dimension inspection, is provided with on described circuit board under test and is positioned at least two of circuit region periphery and runs through structure, it is characterized in that, described circuit board checker comprises:
Plate body, size is measure-alike with the preferred circuit plate of producing according to the design size of described circuit board under test;
Run through structure corresponding to described at least two, be arranged at least two outstanding structures on described plate body;
At least two of can simultaneously enter on described preferred circuit plate of described at least two outstanding structures are run through structure, and enter on described preferred circuit plate at least two while running through structure in described at least two outstanding structures, the distance that described preferred circuit plate can move in the direction parallel with circuit installation surface is less than or equal to design error simultaneously.
2. circuit board checker according to claim 1, is characterized in that, described circuit board under test comprises multiple circuit under test modules, and each circuit under test module periphery runs through structure described in being provided with at least two, and described circuit board checker also comprises:
Corresponding to each circuit under test module, be arranged at the comparison part on described plate body, the preferred circuit module on described relatively part and described preferred circuit plate measure-alike.
3. circuit board checker according to claim 1, it is characterized in that, described in each, outstanding structure comprises two pins, on described plate body, be provided with the first inspection hole and the second inspection hole of placing described two pins for correspondence, described the first inspection hole is corresponding to the lower cutter point that runs through structure, and described the second inspection hole is corresponding to running through returning sword a little of structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320608166.2U CN203657642U (en) | 2013-09-29 | 2013-09-29 | Circuit board inspection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320608166.2U CN203657642U (en) | 2013-09-29 | 2013-09-29 | Circuit board inspection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203657642U true CN203657642U (en) | 2014-06-18 |
Family
ID=50924020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320608166.2U Expired - Lifetime CN203657642U (en) | 2013-09-29 | 2013-09-29 | Circuit board inspection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203657642U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432502A (en) * | 2021-05-27 | 2021-09-24 | 胜宏科技（惠州）股份有限公司 | Method for rapidly detecting overall dimensions of single pieces |
-
2013
- 2013-09-29 CN CN201320608166.2U patent/CN203657642U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432502A (en) * | 2021-05-27 | 2021-09-24 | 胜宏科技（惠州）股份有限公司 | Method for rapidly detecting overall dimensions of single pieces |
| CN113432502B (en) * | 2021-05-27 | 2023-12-15 | 胜宏科技（惠州）股份有限公司 | Method for rapidly detecting multiple single external dimensions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220622 Address after: 3007, Hengqin international financial center building, No. 58, Huajin street, Hengqin new area, Zhuhai, Guangdong 519031 Patentee after: New founder holdings development Co.,Ltd. Patentee after: ZHUHAI FOUNDER TECH. MULTILAYER PCB Co.,Ltd. Address before: 100871 room 808, founder building, Zhongguancun, 298 Chengfu Road, Haidian District, Beijing Patentee before: PEKING UNIVERSITY FOUNDER GROUP Co.,Ltd. Patentee before: ZHUHAI FOUNDER TECH. MULTILAYER PCB Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |
|
| CX01 | Expiry of patent term |