CN104210241A - Rapid focusing method of laser marking machine - Google Patents
Rapid focusing method of laser marking machine Download PDFInfo
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- CN104210241A CN104210241A CN201410475689.3A CN201410475689A CN104210241A CN 104210241 A CN104210241 A CN 104210241A CN 201410475689 A CN201410475689 A CN 201410475689A CN 104210241 A CN104210241 A CN 104210241A
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Abstract
The invention provides a rapid focusing method of a laser marking machine. The method comprises the following steps that a reference center is set; a flat first reference plate is adopted for focusing, and a laser focusing point is obtained; the laser focusing point is adopted for marking the reference center on a second reference plate; first guiding light is adjusted, and the center point of the first guiding light is made to completely coincide with the reference center; second guiding light is adjusted, the center point of the second guiding light is made to completely coincide with the center point of the first guiding light and the marked reference center of the second reference plate, and the coincidence intersection of the center point of the second guiding light and the center point of the first guiding light is obtained; adjustment is carried out in one direction, and therefore the intersection is located on a material to be marked. According to the method, two kinds of guiding light and one reference center are adopted, a three-point positioning mode is adopted, when materials with various different surfaces are focused before being marked, a user only needs to perform adjustment in one direction, focusing can be rapidly carried out, and the method has the high market application value.
Description
Technical field
The present invention relates to the focusing of laser marking machine, in particular, a kind of quick focusing method of laser marking machine.
Background technology
In laser marking machine use procedure, often need to mark on various very strange materials, therefore, how could guarantee that focus is needing on the position of mark, it is very important technical problem, traditional method is to adopt specimen material to attempt light intensity, or attempts focus with other sheet metals.
But, so often can waste material, or due to material steadily and the position that needs mark due to smaller, fall in, the reason such as shape inclination; cause focus inaccurate; mark effect is bad, spends the too many time for looking for focus, has greatly affected production efficiency.
For example, common very little of the LOGO of marking on the jewellery such as ring necklace, the shape of implements is difficult to fixing, and the position of mark is conventionally all in the inner side of jewellery, and it is very difficult looking for focus, once focus is not right, the effect of being up to just varies, and a sample can only beat once, has broken that product must regenerate, mark again, the gold loss simultaneously these samples being caused is also unacceptable, when serious, may lose client and even market.
Therefore, there is defect in prior art, needs to improve.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of quick focusing method of new laser marking machine.
Technical scheme of the present invention is as follows: a kind of quick focusing method of laser marking machine, and it comprises the following steps; Foresee steps a: reference center is set; Set-up procedure: adopt the first smooth reference plate focusing, obtain laser spot; Adopt described laser spot to reference center described in the second reference plate mark; Adjust first and guide light, the described first central point that guides light is overlapped completely with the described reference center of described the second reference plate institute mark; Adjust second and guide light, make described second to guide the central point of light to guide the central point of light, the described reference center of described the second reference plate institute mark overlaps completely with described first, obtain the described second joint that guides the central point of light and the central point of described the first guide light to overlap; Focusing step: regulate along a direction, described joint is positioned on the material for the treatment of mark.
Preferably, in described foresee steps, default figure and a described reference center is wherein set.
Preferably, described default figure is circular or square.
Preferably, according to the object lens specification of described laser marking machine, described default figure is set.
The size of described default figure preferably, is set according to the object lens specification of described laser marking machine.
Preferably, described the second reference plate has flat surface.
Preferably, described the second reference plate is placed on the position of described the first reference plate and carries out mark.
Preferably, described guide light is ruddiness.
Preferably, light is guided in described adjustment, comprises and adjusts the ruddiness guide lamp including same of isolator front end and the ruddiness output parameter of control module.
Preferably, after described focusing step, also carry out mark step: to described, treat that the material of mark carries out mark operation.
Adopt such scheme, the present invention guides light and a reference center by two, adopt three-point fix mode, very convenient when adjusting focusing, from three-dimensional adjustment, make a direction adjustment into, thereby during the focusing before the material for various different surfaces carries out mark, only need regulate along a direction, can focus rapidly, there is very high market using value.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of one embodiment of the present of invention;
Fig. 2 is the schematic diagram of an alternative embodiment of the invention.
The specific embodiment
For the ease of understanding the present invention, below in conjunction with the drawings and specific embodiments, the present invention will be described in more detail.In this description and accompanying drawing thereof, provided preferred embodiment of the present invention, still, the present invention can realize in many different forms, is not limited to the described embodiment of this description.On the contrary, providing the object of these embodiment is to make to the understanding of disclosure of the present invention more thoroughly comprehensively.
It should be noted that, when a certain element is fixed on another element, comprise this element is directly fixed on to this another element, or this element is fixed on to this another element by least one other element placed in the middle.When an element connects another element, comprise this element is directly connected to this another element, or this element is connected to this another element by least one other element placed in the middle.
As shown in Figure 1, one embodiment of the present of invention are, a kind of quick focusing method of laser marking machine, and it comprises the following steps: foresee steps, set-up procedure and focusing step; And for example, as shown in Figure 2, a kind of quick focusing method of laser marking machine, it comprises the following steps: foresee steps, set-up procedure, focusing step and mark step.Preferably, laser marking machine is optical fiber laser, and for example, laser marking machine is MOPA(MOPA Master Oscillator Power-Amplifier) laser instrument.
For example, a kind of quick focusing method of laser marking machine, it comprises following steps or part steps wherein.Foresee steps a: reference center is set; Set-up procedure: adopt the first smooth reference plate focusing, obtain laser spot; Adopt described laser spot to reference center described in the second reference plate mark; Adjust first and guide light, the described first central point that guides light is overlapped completely with the described reference center of described the second reference plate institute mark; Adjust second and guide light, make described second to guide the central point of light to guide the central point of light, the described reference center of described the second reference plate institute mark overlaps completely with described first, obtain the described second joint that guides the central point of light and the central point of described the first guide light to overlap; Wherein, described coincidence completely, it is the coincidence of relative meaning, can be understood as described second and guide the central point of light to guide the central point of light with described first, the described reference center of described the second reference plate institute mark overlaps substantially or in macroscopic certain limit, but should not be construed as absolute sense, the coincidence of free from error four corner.
For example, a kind of quick focusing method of laser marking machine, it comprises following steps or part steps wherein.Foresee steps: the default figure of a rule is set, and it has a reference center, preferred, the geometric center that reference center is this default figure; Set-up procedure: adopt the first smooth reference plate focusing, obtain laser spot; Adopt described laser spot to default figure and reference center thereof described in the second reference plate mark; Adjust first and guide light, the described first central point that guides light is overlapped completely with the described reference center of described the second reference plate institute mark; Preferably, also contrast the correspondence position whether described reference center is positioned at described default figure; Adjust second and guide light, make described second to guide the central point of light to guide the central point of light, the described reference center of described the second reference plate institute mark overlaps completely with described first, obtain the described second joint that guides the central point of light and the central point of described the first guide light to overlap; Focusing step: regulate along a direction, described joint is positioned on the material for the treatment of mark.Preferably, described second guide light and described first to guide the angle of light to be greater than zero degree, i.e. both non-coincidence settings; For example, it is 0 to 90 degree that described the second guide light and described first guides the angle of light, and does not comprise 0 degree and 90 degree; Preferably, it is 10 to 80 degree that described the second guide light and described first guides the angle of light, and for example, it is 30 to 60 degree that described the second guide light and described first guides the angle of light, thereby is easy to realize described joint, and is easy to regulate the coincidence degree of 3; Like this, utilize cleverly two lines to intersect to determine a point, be conducive to realize the effect of rapid focus.Focusing step: regulate along direction, described joint is positioned on the material for the treatment of mark, like this, tube material is not convex surface, curved surface or concave surface, irregular surfaces even, such as the combination of male and fomale(M&F) etc., can find focus well fast.Like this, just can solve in daily laser marking machine use procedure, the problem identificatioin of focus while acting on different materials, can find focus fast.Under various environments for use, due to the size of material, just, the difference such as shape, with marking machine, often need to focalize to guarantee that focus acts on material surface, adopt method described in various embodiments of the present invention, can find fast the position of focus.Preferably, in described foresee steps, default figure and a described reference center is wherein set.
For example, a kind of quick focusing method of laser marking machine, it comprises the following steps.
Foresee steps: the default figure of a rule is set, and it has a reference center; Preferably, the center that described reference center is described default figure, for example, the geometric center that described reference center is described default figure; Like this, the correlation ratio that is easy to follow-up set-up procedure is to operation.Preferably, described default figure has continuous periphery, and for example, described default figure is the closed figure with continuous periphery; And for example, described default figure is circular or square.Preferably, according to the object lens specification of described laser marking machine, described default figure is set.The size of described default figure preferably, is set according to the object lens specification of described laser marking machine.In actual applications, also adjust the size of described default figure.And for example, described foresee steps realizes in software module, and for example, the size of default figure arranges and adjusts in software module.
Set-up procedure: adopt the first smooth reference plate focusing, obtain laser spot; Adopt described laser spot to default figure and reference center thereof described in the second reference plate mark.Preferably, described the second reference plate has flat surface.And for example, described the second reference plate has non-smooth surface.For example, described the second reference plate has the surface of arc or bending or gradient.Preferably, described the second reference plate is placed on the position of described the first reference plate and carries out mark.For example, in smooth the first reference plate focusing, obtain after laser spot, described the second reference plate is placed on the position of described the first reference plate and carries out mark; And for example, described the first reference plate and described the second reference plate merge setting,, adopting the first smooth reference plate focusing, obtain after laser spot, to default figure and reference center thereof described in this first reference plate mark.
Adjust first and guide light, the described first central point that guides light is overlapped completely with the described reference center of described the second reference plate institute mark; First guides the adjustment of light, can adopt existing adjustment equipment or program to realize, and only need make its central point overlap completely with the described reference center of described the second reference plate institute mark.Preferably, also contrast the correspondence position whether described reference center is positioned at described default figure.For example, when described reference center is positioned at the correspondence position of described default figure, continue to carry out subsequent step, and for example, when described reference center departs from the correspondence position of described default figure, again adopt described laser spot to default figure and reference center thereof described in the second reference plate mark, then readjust the first guide light, the described first central point that guides light is overlapped completely with the described reference center of described the second reference plate institute mark, or, when described reference center departs from the correspondence position of described default figure, directly readjust the first guide light, the described first central point that guides light is overlapped completely with the described reference center of described the second reference plate institute mark, and for example, when described reference center repeatedly departs from the correspondence position of described default figure, described the first reference plate and described the second reference plate merge setting, are adopting the first smooth reference plate focusing, obtain after laser spot, to default figure and reference center thereof described in this first reference plate mark, then carry out subsequent operation, make described second to guide the central point of light to guide the central point of light, the described reference center of described the second reference plate institute mark overlaps completely with described first.
Adjust second and guide light, make described second to guide the central point of light to guide the central point of light, the described reference center of described the second reference plate institute mark overlaps completely with described first, obtain the described second joint that guides the central point of light and the central point of described the first guide light to overlap.Second guides the adjustment of light, can adopt below the lifting cavity of fixed insulator, a laser guidance lamp to be installed again and to be realized, and preferred, laser guidance lamp is ruddiness guide lamp including same, i.e. the second ruddiness guide lamp including same; And for example, the second ruddiness guide lamp including same is fixedly installed on a fixed block, described fixed block slides and is arranged on a transverse axis guide rail, described transverse axis guide rail slides and is arranged on a longitudinal axis guide rail, described longitudinal axis guide rail is fixedly installed on the below of output or the lifting cavity of described isolator, thereby is convenient to control Output of laser and process equipment.Preferably, on described transverse axis guide rail and described longitudinal axis guide rail, auxiliary locator is set respectively, it is for connecting outside control system, described control system is controlled the position of the relatively described transverse axis guide rail of described fixed block and described longitudinal axis guide rail by described auxiliary locator, thereby realizes the position of automatically adjusting described the second ruddiness guide lamp including same.
Focusing step: regulate along a direction, described joint is positioned on the material for the treatment of mark.Preferably, up-down adjustment lifting cavity, is positioned on the material for the treatment of mark described joint.Like this, very convenient when adjusting focusing, from three-dimensional adjustment, make a direction adjustment into.
Preferably, in the various embodiments described above, described guide light is ruddiness.Preferably, light is guided in described adjustment, comprises and adjusts the ruddiness guide lamp including same of isolator front end and the ruddiness output parameter of control module.For example, in described foresee steps, the default figure of a rule is set, it has a geometric center as described reference center; In described set-up procedure, adopt described the first laser spot to default figure and described reference center thereof described in the second reference plate mark, also contrast the correspondence position whether described reference center is positioned at described default figure.Adjust the first ruddiness and guide light, central point that described the first ruddiness guides light is overlapped completely with the described geometric center of described the second reference plate institute mark; Adjust the second ruddiness and guide light, make described the second ruddiness guide the central point of light to guide the central point of light, the described geometric center of described the second reference plate institute mark overlaps completely with described the first ruddiness, described the second ruddiness guides the central point of light and described the first ruddiness to guide the central point of light to form ruddiness crosspoint, i.e. described joint.Preferably, described ruddiness guides light to send from ruddiness optical fiber; For example, described ruddiness guide lamp including same is set at fixed insulator place; Preferably, the ruddiness guide lamp including same of isolator front end is set, sends described the first ruddiness and guide light; And/or, below the lifting cavity of fixed insulator, a ruddiness guide lamp including same is installed again, send described the second ruddiness and guide light.And for example, WDM is set in light path as being coupled into the position of ruddiness and utilizing WDM to carry out ruddiness coupling, then by ruddiness guide lamp including same output ruddiness, guides light; Preferably, each ruddiness guide lamp including same is exported by a 640nm antireflective coating; And, each ruddiness guide lamp including same output 640nm laser.
Like this, various embodiments of the present invention provide a kind of method that can find fast and accurately focus, can because of the difference of material, not be difficult to find focus exact, thus the plenty of time of having saved user or operator, have facilitate easy-to-use, raise the efficiency, reduce the advantages such as error.
In conjunction with being applied to above-mentioned arbitrary embodiment, preferred, after described focusing step, also carry out mark step: to described, treat that the material of mark carries out mark operation.Like this, on the jewellery such as ring necklace, the especially inner side of these jewellery, or other valuable, rare treating on mark object, can find rapidly focus, realizes effective mark operation.
Below, then continue the example for a concrete application.
For example, one embodiment of the present of invention are, first in the middle of mark software, draw a point, and the square of a 100*100 scope.For example, according to the different field lenses of use, carry out the size of range of choice, the scheme reference of this 100*100 scope be the focus lamp of F=163mm, and proofreaied and correct the range parameter of mirror.
Then laser instrument carries out bright dipping mark, on the first smooth metallic plate, finds laser spot, then, changing second metallic plate that there is no mark, makes a call to the square of a 100*100 scope.Preferably, described laser instrument is optical fiber laser.
Then, adjust the ruddiness guide lamp including same of isolator front end and the ruddiness parameters on software, in the middle of making, the ruddiness of point guides light to overlap completely with the point of originally beating, and whether contrasts point in foursquare center.
Below the lifting cavity of fixed insulator, a ruddiness guide lamp including same is installed again, wouldn't need to be parallel to lifting cavity, need to come towards metallic plate oblique fire, the original ruddiness of red point and fixed cavity guides the point of point, mark on metallic plate, and 3 overlap completely.
3 overlap completely after, can find that the place that two ruddiness optical fiber intersect is that XY axial coordinate is to fix, Z axis but can change up and down, only need to transfer up and down lifting cavity just can find the focus of laser, in the time of on effect different materials, focus just can have been confirmed in the position that only ruddiness crosspoint need to be acted on to material require mark, very easy to use.
Further, embodiments of the invention also comprise, each technical characterictic of the various embodiments described above, and the quick focusing method of the laser marking machine being mutually combined to form, practical, can improve widely operating efficiency, reduce operation error.
It should be noted that, above-mentioned each technical characterictic continues combination mutually, forms the various embodiment that do not enumerate in the above, is all considered as the scope that description of the present invention is recorded; And, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. a quick focusing method for laser marking machine, is characterized in that, comprises the following steps;
Foresee steps a: reference center is set;
Set-up procedure:
Adopt the first smooth reference plate focusing, obtain laser spot;
Adopt described laser spot to reference center described in the second reference plate mark;
Adjust first and guide light, the described first central point that guides light is overlapped completely with the described reference center of described the second reference plate institute mark;
Adjust second and guide light, make described second to guide the central point of light to guide the central point of light, the described reference center of described the second reference plate institute mark overlaps completely with described first, obtain the described second joint that guides the central point of light and the central point of described the first guide light to overlap;
Focusing step: regulate along a direction, described joint is positioned on the material for the treatment of mark.
2. quick focusing method according to claim 1, is characterized in that, in described foresee steps, default figure and a described reference center is wherein set.
3. quick focusing method according to claim 2, is characterized in that, described default figure is circular or square.
4. quick focusing method according to claim 2, is characterized in that, according to the object lens specification of described laser marking machine, described default figure is set.
5. quick focusing method according to claim 4, is characterized in that, the size of described default figure is set according to the object lens specification of described laser marking machine.
6. quick focusing method according to claim 1, is characterized in that, described the second reference plate has flat surface.
7. quick focusing method according to claim 1, is characterized in that, described the second reference plate is placed on the position of described the first reference plate and carries out mark.
8. quick focusing method according to claim 1, is characterized in that, described guide light is ruddiness.
9. quick focusing method according to claim 8, is characterized in that, light is guided in described adjustment, comprises and adjusts the ruddiness guide lamp including same of isolator front end and the ruddiness output parameter of control module.
10. according to the arbitrary described quick focusing method of claim 1 to 9, it is characterized in that, after described focusing step, also carry out mark step: to described, treat that the material of mark carries out mark operation.
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| CN201410475689.3A CN104210241A (en) | 2014-09-18 | 2014-09-18 | Rapid focusing method of laser marking machine |
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| CN201410475689.3A CN104210241A (en) | 2014-09-18 | 2014-09-18 | Rapid focusing method of laser marking machine |
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| CN109048057A (en) * | 2018-09-04 | 2018-12-21 | 沈阳飞机工业（集团）有限公司 | One kind beating calibration method on glass components |
| CN112783068A (en) * | 2021-01-19 | 2021-05-11 | 南通大学 | Method and device for improving use stability of electrical control equipment |
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| CN112783068A (en) * | 2021-01-19 | 2021-05-11 | 南通大学 | Method and device for improving use stability of electrical control equipment |
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Application publication date: 20141217 |