CN205520119U - Hang down straightness's check system of laser nozzle and machined surface - Google Patents
Hang down straightness's check system of laser nozzle and machined surface Download PDFInfo
- Publication number
- CN205520119U CN205520119U CN201620123194.9U CN201620123194U CN205520119U CN 205520119 U CN205520119 U CN 205520119U CN 201620123194 U CN201620123194 U CN 201620123194U CN 205520119 U CN205520119 U CN 205520119U
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- China
- Prior art keywords
- distance measuring
- measuring sensor
- laser nozzle
- machined surface
- range finding
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Laser Beam Processing (AREA)
Abstract
The utility model discloses a hang down straightness's check system of laser nozzle and machined surface, including a distance measuring sensor, the 2nd distance measuring sensor and the 3rd distance measuring sensor who sets up same position on laser nozzle, a distance measuring sensor's range finding orientation and laser nozzle's axial direction parallel, the 2nd distance measuring sensor and the 3rd distance measuring sensor's range finding orientation all is equivalent contained angle with laser nozzle's axial, still include the basis what a distance measuring sensor, the 2nd distance measuring sensor and the 3rd distance measuring sensor gathered self judges the whether controller of perpendicular to machined surface of laser nozzle to the machined surface apart from data. The utility model discloses a check system is through a distance measuring sensor, the 2nd distance measuring sensor and the 3rd distance measuring sensor's range finding function to and the logical operation function of controller, avoided perusal and the ruler methods of measurement of contact, the comparatively fast fast straightness relation of hanging down of just discerning laser nozzle and machined surface accurately among the prior art.
Description
Technical field
This utility model relates to laser cutting technique field, hangs down with machined surface particularly to a kind of laser nozzle
The nucleus correcting system of straight degree.
Background technology
Along with the development of China's mechanical industry, the production of plant equipment, manufacture and process be provided with higher
The technological requirement of standard.
Cut is a kind of sheet metal cutting technique efficient, high-caliber, and laser cutting machine utilizes height
Power density laser bundle irradiates cut material, makes material quickly be heated to vapourizing temperature, and evaporation is formed
Hole, along with the light beam movement to material, hole is formed continuously the joint-cutting of narrower in width (such as 0.1mm),
Complete the cutting to material.Owing to laser facula is little, energy density is high, cutting speed is fast, therefore laser
Cutting is obtained in that preferable cut quality.
In order to realize complicated shape or the big cutting technique cutting stroke, cut typically passes through computer
Change digital control technology (CNC) device to realize, or claim robotic laser cutting.And carry out in robot
During planar laser cutting processing, in order to reach the cutting techniques such as rapidoprint neat in edge, smoothness
Requirement, generally requires and guarantees that in cutting process laser nozzle keeps vertical with machined surface.At present, industry
On generally use between ruler measuring method Laser Measurement nozzle and the machined surface of perusal and contact
Perpendicularity or angle of inclination, by constantly adjusting and measuring, make laser nozzle gradually keep with machined surface
Vertically.But, traditional perpendicularity correction kernel method efficiency is low, error big, not only delays manufacturing stream
Journey, often still cannot meet higher cutting technique standard-required.
Therefore, the most faster, accurately identify that laser nozzle is the most vertical with machined surface, be this area
The technical problem that technical staff is urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide the nucleus correcting system of a kind of laser nozzle and machined surface perpendicularity, energy
The most faster, the angled relationships of laser nozzle and machined surface is accurately identified.
For solving above-mentioned technical problem, this utility model provides a kind of laser nozzle and machined surface perpendicularity
Nucleus correcting system, including being arranged at the first distance measuring sensor of same position on laser nozzle, the second range finding biography
Sensor and the 3rd distance measuring sensor；The range finding direction of described first distance measuring sensor is axial with laser nozzle
Parallel, the range finding direction of described second distance measuring sensor and the 3rd distance measuring sensor all with the axle of laser nozzle
To in equivalent angle；Also include according to described first distance measuring sensor, the second distance measuring sensor and the 3rd survey
Self judge whether laser nozzle is perpendicular to machined surface to the range data of machined surface away from sensor acquisition
Controller.
Preferably, described first distance measuring sensor, the second distance measuring sensor and the 3rd distance measuring sensor are
Infrared distance sensor.
Preferably, the common place, range finding direction of described second distance measuring sensor and the first distance measuring sensor is put down
Face, vertical with common place, the range finding direction plane of described 3rd distance measuring sensor and the first distance measuring sensor.
Preferably, described second distance measuring sensor and the range finding direction of the 3rd distance measuring sensor and laser nozzle
Axially in angle be 30 °～60 °.
Preferably, also include being connected with described controller signals, and judge that laser sprays at described controller
Mouth not with machined surface alarm of signal an alert time vertical.
Preferably, also include being connected with described controller signals, and according to swashing that described controller calculates
Angle difference between light nozzle and machined surface adjusts the mechanical arm at laser nozzle angle of inclination.
The nucleus correcting system of laser nozzle provided by the utility model and machined surface perpendicularity, mainly includes the
One distance measuring sensor, the second distance measuring sensor, the 3rd distance measuring sensor and controller.Wherein, first survey
The same position on laser nozzle is may be contained within away from sensor, the second distance measuring sensor and the 3rd distance measuring sensor
Put, and range finding direction and the laser nozzle of the first distance measuring sensor is axially in parallel, the second range finding biography simultaneously
The range finding direction of sensor and the 3rd distance measuring sensor all with axially the making an angle alpha of laser nozzle.By range finding
The distance measurement function of sensor can avoid hand dipping or contact type measurement, it is to avoid check result is caused shadow
Ring.The set-up mode of three distance measuring sensors is to utilize sentence vertical with plane of the straight line in geometry
Theorem, i.e. " if straight line is both perpendicular to two intersecting straight lines in plane, then this straight line is vertical
In this plane ".Wherein the first distance measuring sensor is i.e. equivalent to therein waiting to the distance line segment of machined surface and sentences
Boning out, and the second distance measuring sensor and the 3rd distance measuring sensor to machined surface distance line segment in the plane
Projection be two intersecting straight lines.Assume that the first distance measuring sensor measurement self is a to the distance of machined surface,
Second distance measuring sensor measurement self is b to the distance of machined surface, and the 3rd distance measuring sensor measures self to adding
The distance in work face is c.The value of a, b, c is just sent to control by so first, second, third distance measuring sensor
Device processed, then controller carries out logical calculated by the data collected, it is judged that whether laser nozzle is perpendicular to
Machined surface.In an advantageous embodiment, controller can be by calculating ratio and the ratio of a and c of a with b
Value, and judge whether two ratios are equal to cos α to judge perpendicularity relation: if it is, laser nozzle
Vertical with machined surface, if it is not, then out of plumb.If a/b ≠ cos is α or a/c ≠ cos α, or a/b
And a/c is all not equal to cos α, then natural laser nozzle is just not orthogonal to machined surface.Therefore, this practicality is new
The nucleus correcting system of the laser nozzle that type is provided and machined surface perpendicularity, by the first distance measuring sensor, the
Two distance measuring sensors and the distance measurement function of the 3rd distance measuring sensor, and the logical operations function of controller,
Avoid the ruler measuring method of perusal of the prior art and contact, faster and accurately know
Other laser nozzle and the angled relationships of machined surface, it is judged that laser nozzle is the most vertical with machined surface.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that,
Accompanying drawing in describing below is only embodiment of the present utility model, comes for those of ordinary skill in the art
Say, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
Fig. 1 is that in a kind of detailed description of the invention provided by the utility model, laser nozzle is perpendicular to machined surface
Time view；
Fig. 2 is that in a kind of detailed description of the invention provided by the utility model, laser nozzle is not orthogonal to processing
View during face.
Wherein, in Fig. 1 Fig. 2:
First distance measuring sensor 1, the second distance measuring sensor 2, the 3rd distance measuring sensor 3.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technology in this utility model embodiment
Scheme is clearly and completely described, it is clear that described embodiment is only this utility model one
Divide embodiment rather than whole embodiments.Based on the embodiment in this utility model, this area is common
The every other embodiment that technical staff is obtained under not making creative work premise, broadly falls into this
The scope of utility model protection.
Refer to Fig. 1 and Fig. 2, Fig. 1 is laser spray in a kind of detailed description of the invention provided by the utility model
Mouth is perpendicular to view during machined surface, and Fig. 2 is a kind of specific embodiment party provided by the utility model
View when laser nozzle is not orthogonal to machined surface in formula.
In the first detailed description of the invention provided by the utility model, laser nozzle is vertical with machined surface
The nucleus correcting system of degree mainly includes the first distance measuring sensor the 1, second distance measuring sensor 2 and the 3rd range finding sensing
Device 3, and connect with first distance measuring sensor the 1, second distance measuring sensor 2 and the 3rd distance measuring sensor 3 signal
The controller connect.
Wherein, first distance measuring sensor the 1, second distance measuring sensor 2 and the 3rd distance measuring sensor 3 are arranged at
At same position on laser nozzle, and the direction axle with laser nozzle of finding range of the first distance measuring sensor 1
To parallel, and the range finding direction of the second distance measuring sensor 2 and the 3rd distance measuring sensor 3 all with laser nozzle
Axially make an angle alpha.Concrete, first distance measuring sensor the 1, second distance measuring sensor 2 and the 3rd can be surveyed
It is arranged at bottom or the sidewall of laser nozzle away from sensor 3, to avoid of course simultaneously blocking laser nozzle
Light-emitting window.First distance measuring sensor the 1, second distance measuring sensor 2 and the 3rd distance measuring sensor 3 are arranged on laser
Same position on nozzle, in theory it is believed that three is in same point, is arranged such, can be rear
The accuracy of measurement result is improved during continuous measurement.It addition, the first distance measuring sensor 1, second is found range
Sensor 2 and the range finding direction of the 3rd distance measuring sensor 3 also differ, and it should be noted that first surveys
It is self to adding away from the distance measured by sensor the 1, second distance measuring sensor 2 and the 3rd distance measuring sensor 3
The air line distance in work face.Wherein range finding direction and the laser nozzle of the first distance measuring sensor 1 is axially in parallel,
The measurement distance of the i.e. first distance measuring sensor 1 is for self arriving along the axial of laser nozzle and the friendship of machined surface
Length along path between point.And the second distance measuring sensor 2 and the range finding direction of the 3rd distance measuring sensor 3 and laser
Axially all making an angle alpha of nozzle, it is preferable that in order to make the second distance measuring sensor 2 and the 3rd distance measuring sensor
3 can normally find range (when direction of finding range is parallel with machined surface, it is impossible to obtain smoothly and measure distance value),
The value of α may generally be 30 °～60 °, such as 30 °, 45 °, 60 ° etc..Certainly, the value of α is
Random, can be according to the angle of inclination of laser nozzle self depending on, only need to ensure the second distance measuring sensor 2
Not parallel with machined surface with the range finding direction of the 3rd distance measuring sensor 3.
It addition, the second distance measuring sensor 2 and the common place, range finding direction of the first distance measuring sensor 1 also can be made
Plane, vertical with common place, the range finding direction plane of the 3rd distance measuring sensor 3 and the first distance measuring sensor 1.
I.e. ensure the range finding direction of the second distance measuring sensor 2 and the 3rd distance measuring sensor 3 all with the axle of laser nozzle
On the basis of making an angle alpha, make the x-axis side along laser nozzle, the range finding direction of the second distance measuring sensor 2
To, and make the y-axis direction along laser nozzle, the range finding direction of the 3rd distance measuring sensor 3 simultaneously.Wherein,
The x-axis direction of laser nozzle and y-axis direction are the direction of artificial regulation, and by the second distance measuring sensor 2 He
The range finding direction of the 3rd distance measuring sensor 3 is respectively set to x and y-axis direction is for follow-up calculating and tune
Perfect square is just.It should be noted that the range finding direction of the second distance measuring sensor 2 and the 3rd distance measuring sensor 3 exists
It is random in the circumference of laser nozzle, is not limited in vertical relation.
The present embodiment is when properly functioning, it is assumed that axially measured along laser nozzle of the first distance measuring sensor 1
Self is a to the distance of machined surface, and axial in α angle along with laser nozzle of the second distance measuring sensor 2
Orientation measurement self be b to the distance of machined surface, the 3rd distance measuring sensor 3 is along the axle with laser nozzle
Distance to the orientation measurement self in α angle to machined surface is c (the second distance measuring sensor 2 and the 3rd range finding
The range finding direction of sensor 3 is the most not parallel, it is preferable that the second distance measuring sensor 2 and the 3rd distance measuring sensor 3
Range finding direction orthogonal in the circumference of laser nozzle).
And after the measurement data of three distance measuring sensors all draws, all collect to controller.Controller is again
These data are carried out logical operations, and judges the perpendicularity of laser nozzle and machined surface according to judged result
Relation.Such as, controller by calculating ratio and the ratio of a Yu c of a Yu b, and can judge two ratios
Whether be equal to the method for cos α to judge both perpendicularity relations, if it is, laser nozzle with add
Work face is vertical, if it is not, then out of plumb.
Concrete, controller can first calculate the ratio of a Yu b, and judges that whether the ratio of a Yu b is equal to cos
α, calculates the ratio of a Yu c the most again, and judges that whether the ratio of a Yu c is equal to cos α.Certainly, this is suitable
Sequence can also be completely contrary, or calculate ratio and the ratio of a Yu c of a Yu b simultaneously, has no effect on judgement
Result.According to the cor-responding identified theorems that straight line is vertical with plane, i.e. " if straight line is both perpendicular to plane
Interior two intersecting straight lines, then this straight line is perpendicular to this plane ".Wherein, due to the first distance measuring sensor 1
Range finding be oriented parallel to the axial of laser nozzle, therefore the first distance measuring sensor 1 to machined surface line segment just
Be equivalent to straight line to be determined therein；Simultaneously because the second distance measuring sensor 2 and the 3rd distance measuring sensor 3
Range finding direction axially has certain angle, therefore the second distance measuring sensor 2 and the 3rd range finding with laser nozzle
Sensor 3 is i.e. equivalent to two intersecting straight lines to the projection on machined surface of the distance line segment of machined surface.If
The a ratio than b is equal to cos α, then the wherein straight line that straight line to be determined is perpendicular in plane is described；
If the ratio of a Yu c is also simultaneously equal to cos α, then illustrate that straight line to be determined is also both perpendicular in plane
Another straight line.And two straight line intersection in plane, therefore meet the judgement that straight line is vertical with plane
Theorem, now can determine whether out that laser nozzle is vertical with machined surface.If it addition, the ratio of a Yu b and a and c
Ratio in have any one or two conditions being all unsatisfactory for equal to cos α, then straight line cannot be met
The cor-responding identified theorems vertical with plane, now can determine whether out laser nozzle and machined surface out of plumb.
Additionally, when the ratio judging a Yu b is not equal to cos α, now understands and passing along the second range finding
On the range finding direction projecting direction on machined surface of sensor 2, laser nozzle is to tilt (i.e. to treat straight line not
The wherein straight line being perpendicular in plane), according in aforementioned preferred embodiments, the second distance measuring sensor 2
The discussion vertical in the circumference of laser nozzle with the range finding direction of the 3rd distance measuring sensor 3, it is believed that swash
Light nozzle is in x-axis (establishment of coordinate system of the x-axis of laser nozzle and y-axis is with reference to the foregoing teachings) direction of self
On tilted certain angle.And concrete angle of inclination can be according to the difference between the ratio of a and b and cos α
Value calculates, and the most just can adjust laser nozzle at x by the effect of mechanical arm according to this inclination angle value
Angle of inclination on axle so that laser nozzle is toward leveling off to vertical direction rotation.In like manner, when judging a
When being not equal to cos α with the ratio of c, now understand and adding along the range finding direction of the 3rd distance measuring sensor 3
On projecting direction on work face, laser nozzle is to tilt, and i.e. thinks that laser nozzle is on the y-axis direction of self
Tilt certain angle.Can go out according to the mathematic interpolation between the ratio of a and c and cos α the most equally
Angle difference, adjusts laser nozzle on the y axis by the effect of mechanical arm according to this inclination angle value simultaneously
Angle of inclination so that laser nozzle is toward leveling off to vertical direction rotation.
And in order to make staff know the state of laser nozzle in time, can judge that laser sprays at controller
Signal an alert when mouth is not vertical with machined surface, such as this alarm can exist always, until laser sprays
Stop when mouth is vertical with machined surface sending signal.
In a kind of preferred embodiment about the angle of inclination adjusting laser nozzle, controller can first root
The angle calculating laser nozzle and machined surface according to the value of a, b and α is β, further according to this β angle value with
Difference between 90 ° adjusts the angle of inclination of laser nozzle；Then controller calculates according to the value of a, c and α
Laser nozzle is γ with the angle of machined surface, adjusts laser nozzle further according to the difference between γ and 90 °
Angle of inclination.
Concrete, primarily look at Δ ABC, its limit a length of a of BC, limit AC length are understood for this triangle
Degree is α for b, ∠ ACB.Now can be according to the cosine lawCalculate limit AB
Length, further according to the cosine lawCalculate ∠ ABC.Investigate the void in figure again
Thread triangle, this broken line triangle is state when laser nozzle is perpendicular to machined surface, it is clear that laser
It is β-90 ° with the corner difference under plumbness under nozzle current state.I.e. only will need to be swashed by mechanical arm
Light nozzle rotate toward-x-axis direction that-90 ° of angles of β can make that laser nozzle is perpendicular in plane wherein one straight
Line.In like manner, also can calculate the angle γ of laser nozzle and machined surface according to the value of a, c and α, then pass through machine
Laser nozzle is rotated-90 ° of angles of γ by mechanical arm toward-y-axis direction can make laser nozzle both perpendicular in plane
Another intersecting straight lines.Now, the laser nozzle after twice adjustment is and machined surface in theory
Vertically.
In sum, laser nozzle provided by the utility model and the nucleus correcting system of machined surface perpendicularity,
By the first distance measuring sensor the 1, second distance measuring sensor 2 and distance measurement function of the 3rd distance measuring sensor 3, with
And the logical operations function of controller, utilize the cor-responding identified theorems that straight line is vertical with plane, it is to avoid existing skill
Perusal in art and the ruler measuring method of contact, faster and accurately identify laser nozzle with
The angled relationships of machined surface, and judge the perpendicularity relation of laser nozzle and machined surface.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
This utility model.Multiple amendment to these embodiments will be aobvious for those skilled in the art
And be clear to, generic principles defined herein can be without departing from spirit or scope of the present utility model
In the case of, realize in other embodiments.Therefore, this utility model is not intended to be limited to institute herein
These embodiments shown, and it is to fit to consistent with principles disclosed herein and features of novelty the widest
Scope.
Claims (6)
1. a laser nozzle and the nucleus correcting system of machined surface perpendicularity, it is characterised in that include being arranged at
First distance measuring sensor (1) of same position, the second distance measuring sensor (2) and the 3rd on laser nozzle
Distance measuring sensor (3)；The range finding direction of described first distance measuring sensor (1) is axial with laser nozzle
Parallel, the range finding direction of described second distance measuring sensor (2) and the 3rd distance measuring sensor (3) is all with sharp
Light nozzle axial in equivalent angle；Also include according to described first distance measuring sensor (1), the second range finding
The range data self arriving machined surface that sensor (2) and the 3rd distance measuring sensor (3) gather judges to swash
Whether light nozzle is perpendicular to the controller of machined surface.
Nucleus correcting system the most according to claim 1, it is characterised in that described first distance measuring sensor
(1), the second distance measuring sensor (2) and the 3rd distance measuring sensor (3) are infrared distance sensor.
Nucleus correcting system the most according to claim 2, it is characterised in that described second distance measuring sensor
(2) common place, the range finding direction plane of and the first distance measuring sensor (1), passes with described 3rd range finding
Sensor (3) is vertical with common place, the range finding direction plane of the first distance measuring sensor (1).
Nucleus correcting system the most according to claim 3, it is characterised in that described second distance measuring sensor
(2) and the 3rd distance measuring sensor (3) range finding direction and laser nozzle axial in angle be
30 °～60 °.
Nucleus correcting system the most according to claim 4, it is characterised in that also include and described controller
Signal connects, and the signal an alert when described controller judges that laser nozzle is not vertical with machined surface
Alarm.
Nucleus correcting system the most according to claim 5, it is characterised in that also include and described controller
Signal connects, and the angle difference between laser nozzle and the machined surface calculated according to described controller is adjusted
The mechanical arm at whole laser nozzle angle of inclination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620123194.9U CN205520119U (en) | 2016-02-16 | 2016-02-16 | Hang down straightness's check system of laser nozzle and machined surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620123194.9U CN205520119U (en) | 2016-02-16 | 2016-02-16 | Hang down straightness's check system of laser nozzle and machined surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205520119U true CN205520119U (en) | 2016-08-31 |
Family
ID=56777678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620123194.9U Withdrawn - After Issue CN205520119U (en) | 2016-02-16 | 2016-02-16 | Hang down straightness's check system of laser nozzle and machined surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205520119U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105598595A (en) * | 2016-02-16 | 2016-05-25 | 广东正业科技股份有限公司 | Method and system for checking perpendicularity between laser nozzle and machining surface |
| CN114719783A (en) * | 2022-03-31 | 2022-07-08 | 河南四方达超硬材料股份有限公司 | Device and method for measuring anvil hammer face of cubic press |
-
2016
- 2016-02-16 CN CN201620123194.9U patent/CN205520119U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105598595A (en) * | 2016-02-16 | 2016-05-25 | 广东正业科技股份有限公司 | Method and system for checking perpendicularity between laser nozzle and machining surface |
| CN105598595B (en) * | 2016-02-16 | 2018-11-23 | 广东正业科技股份有限公司 | A kind of check method and system of laser nozzle and machined surface verticality |
| CN114719783A (en) * | 2022-03-31 | 2022-07-08 | 河南四方达超硬材料股份有限公司 | Device and method for measuring anvil hammer face of cubic press |
| CN114719783B (en) * | 2022-03-31 | 2024-02-09 | 河南四方达超硬材料股份有限公司 | Device and method for measuring top hammer surface of hexahedral top press |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160831 Effective date of abandoning: 20181123 |
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| AV01 | Patent right actively abandoned |