CN103217423B - For the linear array laser detection device and its method of SMT Laser Processings - Google Patents
For the linear array laser detection device and its method of SMT Laser Processings Download PDFInfo
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- CN103217423B CN103217423B CN201210015709.XA CN201210015709A CN103217423B CN 103217423 B CN103217423 B CN 103217423B CN 201210015709 A CN201210015709 A CN 201210015709A CN 103217423 B CN103217423 B CN 103217423B
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- linear array
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Abstract
The present invention relates to a kind of linear array laser detection device and its detection method for SMT cut steel discs, including：The SMT templates steel disc and taut screen frame that cutting is completed is loaded on clamping workpiece platform；Control system does arc type scanning by controlling X-axis moving parts and Y-axis moving parts；Detection head in detection components is line segment distance in the range of D in Y direction one-off scanning detection length, if detected material surface is in high accuracy linear array laser range sensor detecting distance scope H, then layback value, if beyond detectable distance, the part does not have returned data, it can be determined that do not obtain the position of data to there is cutting openings part；By the presence or absence of returned data, it can be determined that the position of opening and area shape；The figure after identification is compared with former datagraphic by the simulation identification software of control system, judge that SMT templates steel disc whether there is porous less porous defect.
Description
Technical field
The present invention relates to SMT cut steel discs field, and in particular to a kind of to use noncontact linear array laser sensor pair
SMT laser cut stencils steel disc carries out the equipment of porous less porous detection.
Background technology
At present SMT template laser cutting techniques are widely adopted, and complete template using moving beam formula high-speed cutting
After cutting, there is porous less porous defect toward contact in template.What is generally adopted now is all manual detection, is completed cutting first
Steel disc and taut screen frame are removed from cutting equipment（Fig. 1）, then steel disc is removed from taut screen frame the monitor station for being placed into bottom season
On.Data graphics file is printed by testing staff with translucent template, is then overlapped on steel disc, according to figure and
Printing opacity situation testing staff needs to examine with ocular vision just check with the presence or absence of porous less porous defect.Template is in inspection
The placement of positive and negative, all around direction and para-position during survey will be processed by artificial operation, in efficiency and accurately
Property on all rely on testing staff individual quality.It is many for hole number, the big template of density easily occur omit, anthropic factor into
To affect the key factor of reliability.Need repetition to call data file, print in detection process, both increase cost of labor
Paper consumption is increased again.If detection discovery has less porous situation, in addition it is also necessary to will pacify on steel disc clamping to taut screen frame again again
Being attached on cutting machine carries out para-position benefit quarter hole.This work increases also big while product quality reliability for production line
Increased greatly artificial and cost.
The content of the invention
The present invention proposes a kind of linear array laser detection device and its detection method for SMT cut steel discs, and which makes
Porous less porous detection is carried out to SMT laser cut stencils steel disc with noncontact linear array laser sensor, i.e.,：Make after the completion of cutting
Replacement hand inspection is scanned to template with linear array laser detection device, video procession contrast is then carried out, can be had
Effect ground solves the unreliability of manual detection, while improving detection efficiency and accuracy, improve production efficiency, saving are produced into
This.
For problem above, the present invention proposes below scheme：
A kind of linear array laser detection device for SMT cut steel discs, including clamping working table, it is characterised in that
The equipment also includes gate-type trave lling girder, detection head assembly and control system.
Preferably, the gate-type trave lling girder includes X-axis moving parts and Y-axis moving parts.
Preferably, the detection head assembly includes Z axis guide rail and linear array laser distance measuring sensor, and the detection head assembly is in Y
Direction of principal axis one-off scanning detection length is line segment distance in the range of D, if detected material surface is sensed in linear array laser ranging
In device detecting distance scope H, then layback value；If beyond detectable distance, the part does not have returned data.
Preferably, it is characterised in that on the clamping working table, be mounted with SMT templates steel disc and taut net that cutting is completed
Frame.
Preferably, it is characterised in that the control system control X-axis moving parts and Y-axis moving parts are in whole steel disc
Breadth does arc type scanning.
A kind of linear array laser detection method for SMT cut steel discs, it is characterised in that including step：1. will cut
Cut the SMT templates steel disc that completes and taut screen frame is loaded on clamping workpiece platform；2. control system is by controlling X-axis moving parts
Arc type scanning is done with Y-axis moving parts；3. detect that head assembly is in the range of D in Y direction one-off scanning detection length
Line segment distance, if detected material surface is in linear array laser range sensor detecting distance scope H, layback value, if
Beyond detectable distance, then the part does not have returned data, it can be determined that do not obtain the position of data to cut oral area open
Point；4. by the presence or absence of returned data, it can be determined that the position of opening and area shape；5. by the simulation identification of control system
Figure after identification is compared by software with former datagraphic, judges that SMT templates steel disc whether there is porous less porous defect.
The present invention proposes a kind of linear array laser detection device and its detection method for SMT cut steel discs, passes through
Replacement hand inspection is scanned to template using linear array laser detection device after the completion of cutting, then carry out figure phase processor and
Identification contrast, can efficiently solve the unreliability of manual detection, while improving detection efficiency and accuracy, improve production effect
Rate, saving production cost.
Description of the drawings
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described in further detail.
Fig. 1 is the schematic diagram of the taut screen frame of steel disc clamping；
Fig. 2A is the front view of the SMT template steel disc linear array laser detection devices of the present invention；
Fig. 2 B are the top view of the SMT template steel disc linear array laser detection devices of the present invention；
Fig. 3 is the schematic diagram of the detection head assembly of the present invention；
Fundamental diagrams of the Fig. 4 for linear array laser sensor；
Fig. 5 is scanning work process schematic；
Fig. 6 is measurement data recognition principle schematic diagram.
Wherein：1 is steel disc；2 is edge frame made of aluminum profiles；3 is granite surface plate；4 is Z axis guide rail；5 sense for linear array laser
Device；6 is X-axis crossbeam；8 are taut screen frame clamping working table；9 is Y-axis guide rail.
Specific embodiment
Embodiment
As shown in figure 1, moving for the linear array laser detection device of SMT cut steel discs, including clamping working table, gate-type
Dynamic beam, detection head assembly and control system；Gate-type trave lling girder includes X-axis moving parts and Y-axis moving parts；Detection head assembly
Including Z axis guide rail and linear array laser distance measuring sensor, linear array laser distance measuring sensor is arranged in Z axis guide rail, can lead along Z axis
Rail is moved in vertical direction, adjustment laser sensor height.Detection head part installs integral installation in crossbeam X-axis guide rail.
The detection head assembly is line segment distance in the range of D in Y direction one-off scanning detection length, if detected material
Surface in linear array laser range sensor detecting distance scope H, then layback value；The part if beyond detectable distance
Without returned data.SMT templates steel disc and taut screen frame that cutting is completed are mounted with clamping working table；Control system controls X-axis
Moving parts and Y-axis moving parts do arc type scanning in whole steel disc breadth.Control system refers to motion controller, driver
With industrial computer etc.；X-axis moving parts are run on the guide rail of X-axis crossbeam in X direction, and Y-axis moving parts are integrally transported along Y-axis guide rail
It is dynamic.
For the linear array laser detection method of SMT cut steel discs, it is characterised in that including step：1. will cut
Into SMT templates steel disc and taut screen frame be loaded on clamping workpiece platform；2. control system is by controlling X-axis moving parts and Y-axis
Moving parts do arc type scanning；3. detect head assembly Y direction one-off scanning detection length be D in the range of line segment away from
From if detected material surface is in linear array laser range sensor detecting distance scope H, layback value can if exceeded
Then the part does not have returned data to detecting distance, it can be determined that do not obtain the position of data to there is cutting openings part；4. lead to
Cross the presence or absence of returned data, it can be determined that the position of opening and area shape；5. will by the simulation identification software of control system
Figure after identification is compared with former datagraphic, judges that SMT templates steel disc whether there is porous less porous defect.
Above example is intended to indicate that the present invention, rather than limits the scope of the invention, all without prejudice to this
The simple transformation made under conditions of spirit principle is each fallen within protection scope of the present invention.
Claims (4)
1. a kind of linear array laser detection method for SMT cut steel discs, it is characterised in that including step：1. will cutting
The SMT templates steel disc and taut screen frame for completing is loaded on clamping workpiece platform；2. control system is by controlling X-axis moving parts and Y
Axle moving parts do arc type scanning；3. detect that head assembly is line segment in the range of D in Y direction one-off scanning detection length
Distance, if detected material surface is in linear array laser range sensor detecting distance scope H, layback value, if exceeded
Then the part does not have returned data to detectable distance, it can be determined that do not obtain the position of data to there is cutting openings part；4.
By the presence or absence of returned data, it can be determined that the position of opening and area shape；5. by the simulation identification software of control system
Figure after identification is compared with former datagraphic, judges that SMT templates steel disc whether there is porous less porous defect；
Wherein, for the linear array laser detection device of SMT cut steel discs, including clamping working table, it is characterised in that this sets
It is standby also to include gate-type trave lling girder, detection head assembly and control system；The gate-type trave lling girder includes X-axis moving parts and Y-axis
Moving parts.
2. linear array laser detection method according to claim 1, it is characterised in that the detection head assembly includes that Z axis are led
Rail and linear array laser distance measuring sensor, the detection head assembly are line segment in the range of D in Y direction one-off scanning detection length
Distance, if detected material surface is in linear array laser range sensor detecting distance scope H, layback value；Can if exceeding
Then the part does not have returned data to detecting distance.
3. linear array laser detection method according to claim 2, it is characterised in that be mounted with the clamping working table and cut
Cut the SMT templates steel disc and taut screen frame for completing.
4. linear array laser detection method according to claim 2, it is characterised in that the control system control X-axis motion
Component and Y-axis moving parts do arc type scanning in whole steel disc breadth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210015709.XA CN103217423B (en) | 2012-01-19 | 2012-01-19 | For the linear array laser detection device and its method of SMT Laser Processings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210015709.XA CN103217423B (en) | 2012-01-19 | 2012-01-19 | For the linear array laser detection device and its method of SMT Laser Processings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103217423A CN103217423A (en) | 2013-07-24 |
| CN103217423B true CN103217423B (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210015709.XA Active CN103217423B (en) | 2012-01-19 | 2012-01-19 | For the linear array laser detection device and its method of SMT Laser Processings |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105865379A (en) * | 2016-06-03 | 2016-08-17 | 天津银龙预应力材料股份有限公司 | Rail plate steel mold detection system |
| CN111624199A (en) * | 2020-05-18 | 2020-09-04 | Oppo（重庆）智能科技有限公司 | Detection method and system, and storage medium |
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