CN208860307U - A kind of PCB drilling quick maintenance equipment - Google Patents
A kind of PCB drilling quick maintenance equipment Download PDFInfo
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- CN208860307U CN208860307U CN201821834681.1U CN201821834681U CN208860307U CN 208860307 U CN208860307 U CN 208860307U CN 201821834681 U CN201821834681 U CN 201821834681U CN 208860307 U CN208860307 U CN 208860307U
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- 238000005553 drilling Methods 0.000 title abstract description 37
- 238000012423 maintenance Methods 0.000 title 1
- 238000001514 detection method Methods 0.000 claims abstract description 124
- 230000007246 mechanism Effects 0.000 claims abstract description 76
- 230000033001 locomotion Effects 0.000 claims abstract description 54
- 238000005498 polishing Methods 0.000 claims description 22
- 230000008901 benefit Effects 0.000 claims description 6
- 238000009738 saturating Methods 0.000 claims 1
- 238000007689 inspection Methods 0.000 abstract description 10
- 230000008439 repair process Effects 0.000 abstract description 9
- 238000012545 processing Methods 0.000 description 28
- 238000000034 method Methods 0.000 description 19
- 230000006870 function Effects 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000012797 qualification Methods 0.000 description 7
- 239000000523 sample Substances 0.000 description 5
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- 238000004519 manufacturing process Methods 0.000 description 4
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- 238000012360 testing method Methods 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
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- 239000000284 extract Substances 0.000 description 1
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Abstract
本实用新型公开了一种PCB钻孔快速检修设备，其特征在于，包括工作台，工作台一侧的边缘位置设置为初次检测工位，工作台的初次检测工位的下方设置有初次检测光源，该初次检测光源透过工作台由下往上打光，对应所述工作台，设置有多轴运动机构，该多轴移动机构包括X轴运动机构、Y轴运动机构、Z轴运动机构，所述Z轴运动机构上设置有检测相机，所述检测相机位于工作台的上方，且该检测相机的周围设置有二次检测光源，该二次检测光源跟随检测相机并对应工作台由上往下打光。
The utility model discloses a PCB drilling rapid inspection and repair equipment, which is characterized in that it comprises a workbench, an edge position on one side of the workbench is set as a primary inspection station, a primary inspection light source is arranged below the primary inspection station of the workbench, the primary inspection light source illuminates from bottom to top through the workbench, a multi-axis motion mechanism is arranged corresponding to the workbench, the multi-axis motion mechanism comprises an X-axis motion mechanism, a Y-axis motion mechanism, and a Z-axis motion mechanism, a detection camera is arranged on the Z-axis motion mechanism, the detection camera is located above the workbench, and a secondary detection light source is arranged around the detection camera, the secondary detection light source follows the detection camera and illuminates from top to bottom corresponding to the workbench.
Description
Technical field
The utility model relates to the detection and repairing of PCB printed circuit board functional hole, in particular to a kind of PCB drilling is quick
Repair apparatus.
Background technique
Printed circuit board (Printed Circuit Board, PCB) is the indispensable core support part of electronic product,
Certain specific function is realized for fixed and connecting electronic component to form electric loop.Via hole is the important composition on PCB
Element, through-hole run through whole plate, for installing PCB or fixed electronic component.PCB by tens complicated processes processing and
At regardless of single side PCB or multi-panel PCB, drilling is all highly important process in PCB production technology.It is inclined if there is aperture
The undesirable conditions such as difference is larger, hole wall is coarse, burr, Kong Wei are penetrated, hole result is undesirable can all insert subsequent such as component
The processes such as dress, electric test impact.If discovery not early, it will the quality for seriously affecting product greatly increases enterprise
The production cost of industry.If PCB production board is assembled into instrument and equipment complete machine or just finds failure after putting goods on the market, thus generate
The failure costs such as reprocess, scrap, dozens or even hundreds of times will be higher by than normally expending.Therefore to the drilling quality of circuit board into
Row effectively detects of crucial importance.
With the development of electronic industrial technology, market is higher and higher to the drilling quality requirement of PCB, and hole density is increasing
(every plate may be up to 3~50,000 holes), aperture are smaller and smaller (as low as 0.1~0.5 mm of Φ).At present to the detection hand of PCB drilling
Section mainly has divider, Manual Visual Inspection, flying probe and AOI(automatic optics inspection) equipment etc..Divider is mainly used for measured hole
Size, spacing and depth, major defect is heavy workload and low efficiency.Manual Visual Inspection refers to that operator uses magnifying glass
Or microscope, check whether circuit board is qualified, is easy missing inspection occur because of fatigue, existing defect can not be identified, can be weighed
Renaturation is low.Flying probe is can survey of free-moving, independent control the probe to PCB progress electric property using several
Examination, to be detected to mass defects such as short circuit, open circuits.Flying probe method is easy to operate, but time-consuming long, due to probe
There is physical contact with pad and through-hole, it is most likely that damage circuit board.Automatic optical detecting system (AOI) generallys use industrial phase
Machine acquires PCB image, is translated into digital signal, is handled by computer hardware technique image digital signal,
Required image feature value is obtained, the testing results such as size or the Form and position error of testee are exported.The advantages of system is precision
The non-destructive testing high, speed is fast, contactless greatly improves the qualification rate of PCB product factory.With the hole of circuit board via
Diameter is smaller and smaller, and hole count is more and more, and AOI has become essential detection hand during the manufacturing of printed circuit board
Section.
But at present almost without dedicated gaging hole machine in PCB quality testing.Existing AOI equipment, generallys use whole
The mode of plate detection, that is, pass through the image of scanning collection monolith pcb board, and through-hole all on plate is identified and calculated.
It is expensive, and the amount of redundant data for detecting and handling is big, and time-consuming.The detection to sum up, current PCB drills, uses
Then all holes are carried out calculating detection, computationally intensive, low efficiency again, and be easy due to pcb board surface not by full plate scanning
It is smooth, it influences to be imaged, causes detection accuracy low, it is big to calculate error.
The drilling some of different-diameter up to tens in complex PCB, correspondingly, being also required to tens when drilling processing
The cutter of drilling processing.These cutters might have abrasion and be even broken after a large amount of processing.Tool wear can make PCB add
The through-hole aperture that work comes out becomes smaller；Cracking of cutter is then easy to produce less porous (leak hole).Thus aperture distortion and less porous are PCB drilling
The defect mainly occurred in process.
Utility model content
In view of the above deficiencies, the purpose of the utility model is to provide a kind of PCB drilling Quick overhaul equipment.It is practical raw
Produce experience have shown that, if each the last one aperture that tool sharpening is come out is qualified, other similar drillings one on plate
As be also all qualified, therefore we are by measuring each aperture that the last one is processed cutter, so that it may judge plate
Whether the size of upper other homogeneous holes is qualified.
A kind of the technical solution adopted in the utility model are as follows: PCB drilling Quick overhaul equipment, which is characterized in that including work
Make platform, the marginal position of workbench side is set as primary detection station, is provided with below the primary detection station of workbench
Primary detection light source, the primary detection light source penetrate workbench polishing from lower to upper, and the corresponding workbench is provided with multiaxis fortune
Motivation structure, the multiaxis mobile mechanism include X-axis movement mechanism, Y-axis movement mechanism, Z axis movement mechanism, the Z axis movement mechanism
On be provided with detection camera, the detection camera is located at the top of workbench, and is provided with secondary inspection around the detection camera
Light source is surveyed, which follows detection camera and corresponding workbench polishing from top to bottom.Lighting part (primary detection light
Source) White LED strip source is used, by keeping image bright backwards to lighting method (through hole light transmission, blind hole at opaque)
Degree, darkness are distinguished obviously, and increase the contrast of image, obtain the key feature of target image (through-hole), further improve figure
As the effect of processing, and reduce the software development difficulty of subsequent image processing.
It further, further include mending cutter mechanism, which is arranged in Z axis movement mechanism, including tool fixing seat and knife
Has driving device.It should be noted that the effect of Z axis movement mechanism has two, first is that facilitating the adjustment pair up and down of detection camera
Coke, second is that cutter mechanism is mended in setting.Therefore, if not using benefit knife system, which can substantially cancel.Namely
It is to say, when not using benefit cutter mechanism (pure to detect whether qualification without studying for a second time courses one has flunked), " multiaxis mobile mechanism includes X-axis fitness machine
Structure, Y-axis movement mechanism, Z axis movement mechanism " is to be equal with " multiaxis mobile mechanism includes X-axis movement mechanism, Y-axis movement mechanism "
, detection camera is changed to automatic focusing camera.
Further, the primary detection station of corresponding workbench, is provided with pin fixed mechanism, which includes
First shop bolt, the second shop bolt, first shop bolt, the second shop bolt are located at the two of primary detection station
Side.
Further, the workbench is transparent or nontransparent workbench；It is described when the workbench is nontransparent workbench
Workbench corresponds to primary detection station, is provided with polishing window, the primary detection light source through workbench polishing window by
Under up polishing.
The utility model has the advantage that the marginal position predetermined detection area in PCB printed circuit board side, and gives
Each cutter diameter reserves measured hole, by the primary detection to one row's measured hole of edge, realize PCB plate through hole it is qualified,
Underproof two classification, significantly improves through-hole detection efficiency, reduces data acquisition and processing (DAP) amount.In secondary detection, according to brill
The position to drill in hole machined file and processing sequence, using vision-based detection loci, corresponding drilling, real on reverse scanning image
The quick lookup and positioning of existing target hole by images match and calculate circular diameter, accurately judge thru-hole quality, reduce positioning
Complexity.By first classification and Detection and secondary Precision measurement, system software record and the position for saving all problems hole.Technology
Personnel select cutter according to problem hole, are placed in and mend in knife system.Knife program is mended in starting, can be repaired to checkerwork cell progress drilling is not conformed to
It mends.Reduce the rejected product that PCB is generated by drilling, reduces the workload that high cost PCB is reprocessed, and improve and reprocess precisely
Degree.
Explanation and specific embodiment with reference to the accompanying drawing, the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the testing process schematic diagram of PCB drilling Quick overhaul method；
Fig. 2 is that PCB hollow plate detects template schematic diagram one；
Fig. 3 is that PCB hollow plate detects template schematic diagram two；
Fig. 4 is the structural schematic diagram of repair apparatus；
Fig. 5 is the partial structural diagram of Fig. 4；
Fig. 6 is the fit structure schematic diagram of pin fixed mechanism and workbench；
Fig. 7 is the fit structure schematic diagram one of primary detection light source, pin fixed mechanism and workbench；
Fig. 8 is the fit structure schematic diagram two of primary detection light source, pin fixed mechanism and workbench；
Fig. 9 is the structural schematic diagram for mending cutter mechanism；
In figure: functional hole 1；Measured hole 2；Workbench 3；Primary detection light source 4；Multi-shaft movement mechanism 5；Detect camera 6；Two
Secondary detection light source 7；First shop bolt 8；Second shop bolt 9；Support frame 10；Basic platform 11；Display 12；Mend cutter mechanism
13。
Specific embodiment
Referring to Fig. 1 to 7, the present embodiment first describes PCB drilling Quick overhaul method, includes the following steps:
1) measured hole: the marginal position predetermined detection area of PCB printed circuit board side is reserved, in PCB printed circuit board
When carrying out drilling processing, after the functional hole 1 on the complete PCB printed circuit board of each tool sharpening aperture, and in detection zone
Process a measured hole 2；After the cutter drilling in whole apertures processes functional hole and measured hole, PCB printed circuit board
The measured hole 2 that detection zone will stay next row to arrange by process sequence；In the two sides of the detection zone of PCB printed circuit board,
First positioning hole, second location hole is respectively set；
2) repair apparatus is arranged: repair apparatus includes workbench 3, and the marginal position of 3 side of workbench is preset as the first time
Detection station is provided with primary detection light source 4 below 3 primary detection station of workbench, which penetrates work
Make the polishing from lower to upper of platform 3, the corresponding workbench 3 is provided with Multi-shaft movement mechanism 5, which includes X-axis
Movement mechanism, Y-axis movement mechanism, Z axis movement mechanism are provided with detection camera 6, the detection phase on the Z axis movement mechanism
Machine 6 is located at the top of workbench 3, and is provided with secondary detection light source 7 around the detection camera 6, the secondary detection light source 7 with
With detection camera 6 and the corresponding polishing from top to bottom of workbench 3；Cutter mechanism 13 is mended in setting, and the benefit cutter mechanism 13 setting is moved in Z axis
Mechanism, including tool fixing seat and cutter driving device；The primary detection station of corresponding workbench is provided with the fixed machine of pin
Structure, the pin fixed mechanism include the first shop bolt 8, the second shop bolt 9, first shop bolt 8, the second shop bolt
9 are located at the two sides of primary detection station；In addition, the sliding setting of the first shop bolt 8, the second shop bolt 9, between the two
Distance it is adjustable；
3) primary detection: the PCB printed circuit board in step 1) is placed on the workbench 3 of repair apparatus, and is passed through
First shop bolt 8, the second shop bolt 9 cooperation first positioning hole, second location hole position to PCB printed circuit board solid
It is fixed, so that the primary detection station for making the detection zone of PCB printed circuit board correspond to workbench 3 (in addition to location hole positions, may be used also
To be positioned using edge, using the groove at platform upper surface edge, PCB edge is aligned groove by similar ruler graduation mark, so that
PCB is put just)；Primary detection light source 4 carries out polishing to the detection zone of PCB printed circuit board, detects camera 6 in multiaxial motion machine
Under the drive of structure 5, above primary detection station, cooperates primary detection light source 4, shoot the measurement in Scanning Detction region in order
Hole, detection measured hole whether there is, and calculate the diameter of measured hole, the standard value of the functional hole according to corresponding to measured hole and permit
Perhaps tolerance judges whether the measured hole is qualified；
If primary detection, all measured holes of the detection zone of PCB printed circuit board are qualified, then judge that the PCB prints
Circuit board is qualified；
If primary detection, some measured hole of the detection zone of PCB printed circuit board is unqualified, then judges that the PCB prints
The problems of circuit board is unqualified, and judge the underproof measured hole, if the diameter of the underproof measured hole becomes smaller,
And the value that becomes smaller exceeds the allowable tolerance of its corresponding functional hole, then judges that the underproof measured hole exists due to tool wear
Aperture distortion problem judges that the underproof measured hole is deposited since cutter fractures if the underproof measured hole is not present
In less porous problem；
Secondary detection: if the primary detection in step 3) judges that PCB printed circuit board is unqualified, electricity is printed to the PCB
Road plate carries out secondary detection；
If functional hole corresponding to underproof measured hole has n, the functional hole of first processing is the 1st functional hole,
The functional hole of the last one processing is the n-th functional hole；According to the processing sequence of functional hole corresponding to underproof measured hole into
The reverse backtracking of row, detects camera 6 under the drive of Multi-shaft movement mechanism 5, is shot by the n-th functional hole by reverse order
Scanning, detection function hole whether there is, and calculated diameter, successively judge n-th according to the standard value of functional hole and allowable tolerance, the
Whether n-1, the n-th -2 ... n-th-x functional hole are qualified, wherein and x is positive integer less than n, during this, secondary detection light source 7
Detection camera is followed, polishing is carried out；
If underproof measured hole is there are problems that aperture distortion due to tool wear, when secondary detection is unqualified to this
Measured hole corresponding to the n-th-x functional hole aperture qualification when, for qualified functional hole, then judgement is by the before processing sequence
1, the the the 2nd ... n-th-x functional hole is qualified functional hole, is problem function hole by remaining subsequent functional hole of processing sequence；If no
Qualified measured hole is there are problems that less porous since cutter fractures, corresponding to secondary detection to the underproof measured hole
N-th-x functional hole exists and when the qualification of aperture, and for qualified functional hole, then judgement is by the 1st, the 2nd ... before processing sequence the
N-x functional hole is qualified functional hole, is problem function hole by remaining subsequent functional hole of processing sequence；
5) problem function hole is reprocessed: being directed to problem function hole, corresponding similar cutter is loaded onto mending cutter mechanism, then more
Under the drive of shaft movement mechanism 5, repairing drilling is successively carried out, to repair underproof PCB printed circuit board.
Specifically, in step 3), specifically comprise the following steps:
3.1) it positions: the PCB printed circuit board in step 1) is positioned in fixed placement to the workbench of repair apparatus, and
The detection zone of PCB printed circuit board is set to correspond to the primary detection station of workbench；
3.2) record loci: 3 lower section primary detection light source of workbench is from lower to upper backwards to irradiation PCB printed circuit board
Detection zone carries out polishing, detects camera 6 under the drive of Multi-shaft movement mechanism 5, above primary detection station, carries out image
Acquisition, the measured hole of the detection zone of PCB image collected is rendered as circular feature, and brightness is obviously distinguished with background；This
When, identify that first measured hole is formed by first circle in PCB image, and record this first circular center of circle and sit
Mark carries out visual-alignment as loci；
3.3) matching detection: detection camera 6 is under the drive of Multi-shaft movement mechanism 5, since first measured hole, sequence
Ground successively detects other measured holes according to distance between adjacent measured hole (or ken according to camera, according to certain step pitch),
A to the last measured hole；
3.4) primary detection result judgement: detection measured hole whether there is, and calculate the diameter of measured hole, according to measured hole
The standard value and allowable tolerance of corresponding functional hole judge whether the measured hole is qualified；If measured hole exists, and right with its institute
The standard value for the functional hole answered is compared, and deviation then determines the qualification of functional hole corresponding to the measured hole in the margin of tolerance；If
Measured hole is not present, or compared with the standard value of the functional hole corresponding to it, deviation exceeds the margin of tolerance, then determines the survey
Functional hole corresponding to metering-orifice is unqualified；
If primary detection, all measured holes of the detection zone of PCB printed circuit board are qualified, then judge that the PCB prints
Circuit board is qualified；
If primary detection, some measured hole of the detection zone of PCB printed circuit board is unqualified, then judges that the PCB prints
The problems of circuit board is unqualified, and judge the underproof measured hole, if the diameter of the underproof measured hole becomes smaller,
And the value that becomes smaller exceeds the allowable tolerance of its corresponding functional hole, then judges that the underproof measured hole exists due to tool wear
Aperture distortion problem judges that the underproof measured hole is deposited since cutter fractures if the underproof measured hole is not present
In less porous problem.
Specifically, in step 4), specifically comprise the following steps:
4.1) the drilling design file of PCB printed circuit board is imported, and proposes that underproof measured hole institute is right from file
Hole location, aperture, the processing sequence information for the similar functional hole answered；If functional hole corresponding to underproof measured hole has n,
The functional hole of first processing is the 1st functional hole, and the functional hole of the last one processing is the n-th functional hole；
4.2) inversely search problem functional hole；It is carried out according to the processing sequence of functional hole corresponding to underproof measured hole
Reverse backtracking detects camera 6 under the drive of Multi-shaft movement mechanism 5, carries out shooting by reverse order by the n-th functional hole and sweeps
It retouches, detection function hole whether there is, and calculated diameter, successively judge n-th, n-th-according to the standard value of functional hole and allowable tolerance
1, whether the n-th-x of n-th -2 ... functional hole qualified, wherein x is positive integer less than n, during this, secondary detection light source 7 with
With detection camera 6, polishing is carried out；
If underproof measured hole is there are problems that aperture distortion due to tool wear, when secondary detection is unqualified to this
Measured hole corresponding to the n-th-x functional hole aperture qualification when, for qualified functional hole, then judgement is by the before processing sequence
1, the the the 2nd ... n-th-x functional hole is qualified functional hole, is problem function hole by remaining subsequent functional hole of processing sequence；If no
Qualified measured hole is there are problems that less porous since cutter fractures, corresponding to secondary detection to the underproof measured hole
N-th-x functional hole exists and when the qualification of aperture, and for qualified functional hole, then judgement is by the 1st, the 2nd ... before processing sequence the
N-x functional hole is qualified functional hole, is problem function hole by remaining subsequent functional hole of processing sequence；
4.3) telltale mark problem function hole, record save the hole location of all problems functional hole, aperture, processing sequence letter
Breath, and generate overhaul scheme file.
Illustrate as: hole 1~13 be using same cutter by process sequence (1 → 2 →...→ 13) drilling out one by one
Homogeneous hole, hole 1 ~ 12 are functional hole, and hole 13 is the hole that this cutter is finally processed, and are used as measured hole.As hole 13 is measured for the first time
In be judged to not conforming to checkerwork cell, then start double measurement program, camera uses reverse scanning mode (13 → 12 →...→ 1) or (12
→...→ 1) search and determine defective hole up to defective hole is not present from homogeneous hole.
Wherein, first measurement result determines, Image Acquisition information is sent to the image pick-up card of computer, system software pair
Image is handled, and by greyscale transformation, threshold process, Connected area disposal$, extracts target circle region, calculate circular diameter,
The parameters such as circularity, and compared with the standard value of setting, allowable tolerance.If the deviation of all drillings in the margin of tolerance,
Then determine that PCB drilling is qualified；If there is the deviation of measured hole is more than the margin of tolerance, then determine that PCB drilling is unqualified.Secondary inspection
It surveys, such as primary detection PCB occurs that measured hole is unqualified (such as hole 13), then hole location, aperture and the brill of system introducing drilling file
The information such as hole path.After accurate contraposition, image acquisition mechanism is driven, according to path shown in dotted line in figure, reverse movement is simultaneously adopted
Collect the image of the homogeneous hole (the same hole that tool sharpening is come out) on pcb board.By pattern match, loop truss and parameter meter
It calculates, makes the qualified or not judgement that drills.If drilling is unqualified, system saves and marks one by one the position for knowing defective hole, aperture, lacks
Fall into the key messages such as type.It should be noted that belonging to vision-based detection for the acquisition of image, processing, calculating, comparison
The routine techniques in field, this will not be repeated here.
And then the present embodiment describes a kind of PCB drilling Quick overhaul equipment, including workbench 3 again, 3 side of workbench
Marginal position is set as primary detection station, is provided with primary detection light source 4 below the primary detection station of workbench 3, should
Primary detection light source 4 penetrates the polishing from lower to upper of workbench 3, and the corresponding workbench 3 is provided with Multi-shaft movement mechanism 5, this is more
Axis mobile mechanism 5 includes X-axis movement mechanism, Y-axis movement mechanism, Z axis movement mechanism, is provided with inspection on the Z axis movement mechanism
Camera 6 is surveyed, the detection camera 6 is located at the top of workbench 3, and is provided with secondary detection light source around the detection camera 6
7, which follows detection camera 6 and the corresponding polishing from top to bottom of workbench 3.Lighting part (primary detection light source
Using White LED strip source, by backwards to lighting method (through hole light transmission, blind hole at opaque), making brightness of image, dark
Degree is distinguished obviously, and increases the contrast of image, is obtained the key feature of target image (through-hole), is further improved image procossing
Effect, and reduce subsequent image processing software development difficulty.
It specifically, further include mending cutter mechanism 13, which is arranged in Z axis movement mechanism, including tool fixing seat
And cutter driving device.
Specifically, the primary detection station of corresponding workbench, is provided with pin fixed mechanism, which includes
First shop bolt 8, the second shop bolt 9, first shop bolt 8, the second shop bolt 9 are located at primary detection station
Two sides.In addition, the sliding setting of the first shop bolt 8, the second shop bolt 9, distance between the two are adjustable.Sliding setting
Mechanism can specifically include shop bolt slide, sliding slot, shop bolt is arranged on slide, and slide is arranged on the chute, such as
This, can realize the opposite sliding between the first shop bolt 8, the second shop bolt 9, adjust between two shop bolts away from
From.
Specifically, the workbench 3 is transparent or nontransparent workbench；When the workbench 3 is nontransparent workbench, institute
It states workbench and corresponds to primary detection station, be provided with polishing window, the primary detection light source penetrates the polishing window of workbench
Polishing from lower to upper.The workbench 3 is that nontransparent workbench is that then primary detection station is located at the edge of 3 side of workbench
Outside, so that workbench 3 will not block polishing.
Bottom LED white strip source, back lighting mode improve the contrast of image object and background.Workbench 3 four
Side edge is carved with straight line, edge positioning when convenient for PCB primary detection.Platform edges above LED light source are provided with pin
Positioning mechanism makes PCB edge measured hole be in the effective coverage of Image Acquisition, is convenient for fix position when PCB primary detection
Repetition with batches detects.CCD industrial camera, front illumination light source are installed on X-axis movement mechanism, by servo motor
Drive accurate lead screw movement, the Image Acquisition of achievable PCB edge measured hole.Industrial camera can automatic focusing, obtain best figure
Image quality amount is rendered as round feature after measured hole Image Acquisition.
Workbench 3 is mounted on basic platform 11 by support frame 10, and basic platform 11 is marble platform, can be absorbed
Shock and vibration when motor movement.It mends cutter mechanism to be mounted on Z axis movement mechanism, is used for clamping cutter, and by motor band
Cutter realizes the drilling processing of pcb board.Y-axis movement mechanism drives accurate lead screw movement by servo motor, and accurate lead screw is solid
It is scheduled on the reverse side of marble basic platform.X-axis movement mechanism is installed on Y-axis movement mechanism, and X, Y two-axle interlocking are, it can be achieved that work
Make the plane motion on platform.Secondary detection, lighting source use three color multi-angle illumination light sources, can according to the type of material,
Highlight the feature of area-of-interest.In addition, workbench 3 is uniformly arranged negative-pressure adsorption hole as shown in attached drawing 4 and attached drawing 5, can avoid
The PCB being placed on platform is displaced because of disturbing factors such as vibrations.
It mends cutter mechanism to be installed on Z axis, connects X-axis movement mechanism, be used for cutter clamping and drilling.Z axis moves up and down, can
Change drilling depth.Top makes cutter complete drilling processing by electric-motor drive.
In addition, PCB drilling Quick overhaul equipment further includes control section (such as computer, display 12, software systems)；Meter
Calculation machine by motion control card, servo-driver and closed loop motor, accurately control X, Y, Z three-axis moving mechanism movement velocity and
Position.X, Y, Z three-axis moving mechanism include servo motor, accurate lead screw and slide rail, and servo motor drives three-axis accurate silk
Bar is moved along three directions.The two sides of X-axis movement mechanism are mounted on Y axis rail by Y axis sliding block, X axis moving machine
The middle part of structure is connect by feed screw nut with Y axial filament bar.Y axis rail is mounted on the back side of marble basic platform, to slow down
Elliptical gear.
It should be noted that repair apparatus design one and design two in attached drawing, in support frame, basic platform and work
Make the part such as platform difference, but essential structure is similar to principle.
Finally, it should be noted that the present embodiment is if any detailed place is failed, skilled person is according to the present embodiment
Record can be realized in conjunction with attached drawing and this field routine techniques.
The utility model is not limited to the above embodiment, using identical or approximate as the utility model above-described embodiment
Technical characteristic, and other obtained a kind of PCB drilling Quick overhaul equipment, both are within the protection scope of the present invention.
Claims (4)
- The Quick overhaul equipment 1. a kind of PCB drills, which is characterized in that including workbench, the marginal position of workbench side is arranged For primary detection station, it is provided with primary detection light source below the primary detection station of workbench, the primary detection light source is saturating Workbench polishing from lower to upper is crossed, the corresponding workbench is provided with Multi-shaft movement mechanism, which includes X-axis Movement mechanism, Y-axis movement mechanism, Z axis movement mechanism are provided with detection camera, the detection camera on the Z axis movement mechanism It is provided with secondary detection light source positioned at the top of workbench, and around the detection camera, which follows detection Camera and corresponding workbench polishing from top to bottom.
- The Quick overhaul equipment 2. PCB according to claim 1 drills, which is characterized in that further include mending cutter mechanism, the benefit knife Mechanism is arranged in Z axis movement mechanism, including tool fixing seat and cutter driving device.
- The Quick overhaul equipment 3. PCB according to claim 1 drills, which is characterized in that the primary detection of corresponding workbench Station is provided with pin fixed mechanism, which includes the first shop bolt, the second shop bolt, this is first fixed Position pin, the second shop bolt are located at the two sides of primary detection station.
- The Quick overhaul equipment 4. PCB according to claim 1 drills, which is characterized in that the workbench is transparent or non- Transparent operation platform；When the workbench is nontransparent workbench, the workbench corresponds to primary detection station, is provided with polishing window Mouthful, the primary detection light source penetrates the polishing window polishing from lower to upper of workbench.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821834681.1U CN208860307U (en) | 2018-11-08 | 2018-11-08 | A kind of PCB drilling quick maintenance equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821834681.1U CN208860307U (en) | 2018-11-08 | 2018-11-08 | A kind of PCB drilling quick maintenance equipment |
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| Publication Number | Publication Date |
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| CN208860307U true CN208860307U (en) | 2019-05-14 |
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| CN201821834681.1U Expired - Fee Related CN208860307U (en) | 2018-11-08 | 2018-11-08 | A kind of PCB drilling quick maintenance equipment |
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| CN (1) | CN208860307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112881431A (en) * | 2021-01-19 | 2021-06-01 | 深圳市鼎业电子有限公司 | Full-automatic intelligent test equipment for detecting printed circuit board |
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2018
- 2018-11-08 CN CN201821834681.1U patent/CN208860307U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112881431A (en) * | 2021-01-19 | 2021-06-01 | 深圳市鼎业电子有限公司 | Full-automatic intelligent test equipment for detecting printed circuit board |
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Granted publication date: 20190514 Termination date: 20191108 |