CN101987554B - Laser engraving device - Google Patents
Laser engraving device Download PDFInfo
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- CN101987554B CN101987554B CN200910109539.XA CN200910109539A CN101987554B CN 101987554 B CN101987554 B CN 101987554B CN 200910109539 A CN200910109539 A CN 200910109539A CN 101987554 B CN101987554 B CN 101987554B
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Abstract
The invention is suitable for the technical field of laser and provides a laser engraving device and a method for realizing laser engraving thereby. The laser engraving device comprises a laser generation unit, a reflection lens and a support part, wherein the laser generation unit is used for generating laser; the reflection lens is used for reflecting the laser emitted by the laser generation unit to an object to be processed to form a preset pattern and/or a character track on the object to be processed; and the support part is used for supporting the reflection lens, so as to realize various engraving treatments to the inner side surface of a U-shaped workpiece, such as removal treatment to an anode layer in an inner side position of a shallow and narrow U-shaped workpiece, and the like, and extends the application field of laser engraving device. The invention has the advantages of quick processing speed, high accuracy, good effect, low processing cost and simple installation, greatly improves the production efficiency, saves the manpower cost and can quickly and effectively process the product.
Description
Technical field
The invention belongs to laser technology field, relate in particular to the method for a kind of laser carving device and realization laser engraving thereof.
Background technology
Laser-engraving technique is that the laser that adopts laser instrument to produce produces the engraving point at body surface to be carved, and then the technology of formation depiction, it is widely used in the fields such as cutting, plate-making, and along with the develop rapidly of photoelectron technology, the engraving required precision of laser engraving is more and more higher.
For instance, the removal method of traditional anode layer for shallow narrow U-shaped workpiece inner side generally adopts CNC milling machine processing method or paster to cover method.For CNC milling machine processing method, because U-shaped workpiece Working position material to be processed is thin, the machining accuracy that requires is high, so that clamping is located very very complicated, need to adopt dedicated tool, and cutter head is superfine, in process, often occur fractureing, and then so that processing cost is too high, working (machining) efficiency is low; Cover method for paster, because the design feature of U-shaped workpiece self to be processed, so that artificial paster efficient is extremely low, positioning accuracy can't meet the demands, and has the defective of paster edge anode seepage, directly causes product bad, same improper production in enormous quantities.For this reason, prior art adopts laser-engraving technique to remove anode layer, compares with conventional method, has that speed is fast, precision is high, effective a, advantage such as cost is low.Yet, the laser-engraving technique that prior art provides can only be carved the workpiece of horizontal level under the laser lens, and can't to as shallow narrow U-shaped workpiece inner side anode layer etc. directly do not place under the laser lens object of horizontal level to process, but application is limited.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of laser carving device, be intended to solve laser-engraving technique that prior art provides can't to as shallow narrow U-shaped workpiece inner side anode layer etc. directly do not place under the laser lens object of horizontal level to process, but the limited problem of application.
The embodiment of the invention is achieved in that a kind of laser carving device, and described device comprises:
Send the laser generating unit of laser;
The laser reflection that described laser generating unit is sent is to object to be processed, to form the reflecting optics of predetermined pattern and/or literal track at described object to be processed; And
Support the support portion of described reflecting optics;
Described object to be processed is the inner surface of a U-shaped workpiece, and described support portion is with described U-shaped whole workpiece moulding and perpendicular to the workpiece of described U-shaped workpiece;
Incidence point on the described reflecting optics is not more than 5 millimeters to the air line distance of the corresponding engraving position of described object to be processed, and the laser that described laser generating unit is sent is that 70 degree are between 75 degree in the incidence angle on the described reflecting optics and the angle of emergence.
The laser carving device that the embodiment of the invention provides arrives object to be processed by the Laser emission that reflecting optics sends laser generating unit, can realize the various engravings processing to the inner surface of U-shaped workpiece, as to Transformatin of shallow narrow U-shaped workpiece inner side anode layer etc., expanded the application of laser carving device, and process velocity is fast, precision is high, effective, processing cost is low, install simple, significantly improved production efficiency, saved human cost, can process product fast and effectively.
Description of drawings
Fig. 1 is the structure chart of the laser carving device that provides of the embodiment of the invention.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The laser carving device that the embodiment of the invention provides arrives object to be processed by the Laser emission that reflecting optics sends laser generating unit.
Fig. 1 shows the structure of the laser carving device that the embodiment of the invention provides, and for convenience of description, only shows the part relevant with the embodiment of the invention.
The laser carving device that the embodiment of the invention provides specifically comprises the laser generating unit 11 of sending laser, and the laser reflection that laser generating unit 11 is sent is to object 12 to be processed, to form predetermined pattern and/or the reflecting optics 13 of literal track, the support portion 14 of supporting reflex eyeglass 13 and the fixed parts that reflecting optics 13 are fixed in support portion 14 at object 12 to be processed.Wherein, fixed part specifically comprises by the reflecting surface application of force of reflecting optics 13 vertically being pressed in the anchor clamps 15 of support portion 14 with reflecting optics 13 and/or by reflecting optics 13 and support portion 14 are clamped reflecting optics 13 is fixed in the hold down gag (not shown) of support portion 14, positioning accuracy for the laser that improves 13 pairs of reflections of reflecting optics, in the embodiment of the invention, fixed part specifically comprises anchor clamps 15 and hold down gag.Certainly, during specific implementation, if reflecting optics 13 can steadily be placed, also can reflecting optics 13 be fixed in the support portion without fixed part, but drive object 12 motions to be processed by other device or hand rotation, and form predetermined pattern and/or literal track.
In the embodiment of the invention, object 12 to be processed is specially the inner surface of a U-shaped workpiece, and support portion 14 is specifically as follows with this U-shaped whole workpiece moulding and perpendicular to the workpiece of this U-shaped workpiece.Further, emissivity for cremasteric reflex eyeglass 13, reflecting optics 13 adopts the total reflection eyeglass, in order to improve photoelectric transformation efficiency, obtain higher laser power, laser generating unit 11 adopts optical fiber lasers, and the incidence point of reflecting optics 13 is not more than 5 millimeters apart from the air line distance of the laser spot of laser instrument in the laser generating unit 11.Further, in order to guarantee to carve safety, avoid reflecting optics 13 to be burnt by laser, the beam expanding lens of laser generating unit 11 expand multiple more than or equal to 30 times, by hot spot being amplified to reduce the laser depth of focus, and the galvanometer that cooperates with laser instrument in the laser generating unit 11, change the laser emitting angle that laser instrument sends adopts the large format galvanometer.
In addition, when object 12 to be processed is the inner surface of a U-shaped workpiece, and support portion 14 is during with this U-shaped whole workpiece moulding and perpendicular to the workpiece of this U-shaped workpiece, in order to obtain preferably engraving effect, in the embodiment of the invention, incidence point on the reflecting optics 13 is not more than 5 millimeters to the air line distance of the corresponding engraving position of object 12 to be processed, concrete, this air line distance is between 2.5 millimeters to 5 millimeters, and laser is that 70 degree are between 75 degree in the incidence angle on the reflecting optics 13 and the angle of emergence.
The embodiment of the invention also provides the method that adopts above-mentioned laser carving device to realize laser engraving, may further comprise the steps: the laser reflection that laser generating unit is sent by reflecting optics arrives object to be processed, to form predetermined pattern and/or literal track.This step is specially: by changing laser that laser generating unit sends after the reflecting optics reflection, the position of the focus point that forms at body surface to be processed forms predetermined pattern and/or literal track.Further, be coated with the aluminium anodes layer at body surface to be processed, by the laser carving method that adopts above-mentioned laser carving device to realize, can realize removing this aluminium anodes layer of body surface to be processed.
The laser carving device that the embodiment of the invention provides arrives object to be processed by the Laser emission that reflecting optics sends laser generating unit, can realize the various engravings processing to the inner surface of U-shaped workpiece, as to Transformatin of shallow narrow U-shaped workpiece inner side anode layer etc., expanded the application of laser carving device, and process velocity is fast, precision is high, effective, processing cost is low, install simple, significantly improved production efficiency, saved human cost, can process product fast and effectively.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a laser carving device is characterized in that, described device comprises:
Send the laser generating unit of laser;
The laser reflection that described laser generating unit is sent is to object to be processed, to form the reflecting optics of predetermined pattern and/or literal track at described object to be processed; And
Support the support portion of described reflecting optics;
Described object to be processed is the inner surface of a U-shaped workpiece, and described support portion is with described U-shaped whole workpiece moulding and perpendicular to the workpiece of described U-shaped workpiece;
Incidence point on the described reflecting optics is not more than 5 millimeters to the air line distance of the corresponding engraving position of described object to be processed, and the laser that described laser generating unit is sent is that 70 degree are between 75 degree in the incidence angle on the described reflecting optics and the angle of emergence.
2. laser carving device as claimed in claim 1 is characterized in that, described device also comprises: the fixed part that described reflecting optics is fixed in described support portion.
3. laser carving device as claimed in claim 2, it is characterized in that, described fixed part specifically comprises by the reflecting surface application of force of described reflecting optics vertically is pressed in the anchor clamps of described support portion with described reflecting optics, and/or by described reflecting optics and described support portion are clamped described reflecting optics is fixed in the hold down gag of described support portion.
4. laser carving device as claimed in claim 1 is characterized in that, described reflecting optics adopts the total reflection eyeglass; Described laser generating unit adopts optical fiber laser, and the air line distance of the laser spot of laser instrument is not more than 5 millimeters in the described laser generating unit of the incidence point of described reflecting optics distance.
5. laser carving device as claimed in claim 4 is characterized in that, the beam expanding lens of described laser generating unit expand multiple more than or equal to 30 times; The galvanometer of the laser emitting angle that cooperates with laser instrument in the described laser generating unit, the change laser instrument sends adopts the large format galvanometer.
6. laser carving device as claimed in claim 1 is characterized in that, the incidence point on the described reflecting optics is between 2.5 millimeters to 5 millimeters to the air line distance of the corresponding engraving position of described object to be processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910109539.XA CN101987554B (en) | 2009-08-07 | 2009-08-07 | Laser engraving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910109539.XA CN101987554B (en) | 2009-08-07 | 2009-08-07 | Laser engraving device |
Publications (2)
| Publication Number | Publication Date |
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| CN101987554A CN101987554A (en) | 2011-03-23 |
| CN101987554B true CN101987554B (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910109539.XA Active CN101987554B (en) | 2009-08-07 | 2009-08-07 | Laser engraving device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757001B (en) * | 2019-11-06 | 2021-06-29 | 浙江星淦科技有限公司 | Preparation method of micron-sized laser-engraved anti-counterfeiting planar gold stamping plate |
| CN114346442A (en) * | 2022-01-24 | 2022-04-15 | 大族激光科技产业集团股份有限公司 | Laser blackening method for anode metal |
Citations (9)
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|---|---|---|---|---|
| US4480169A (en) * | 1982-09-13 | 1984-10-30 | Macken John A | Non contact laser engraving apparatus |
| DE19831890A1 (en) * | 1997-07-18 | 1999-02-11 | Lasercomb Laser Kombinations S | Operating on a workpiece using a laser beam |
| JP2001205463A (en) * | 2000-01-27 | 2001-07-31 | Mitsuboshi Belting Ltd | Method of mark engraving device on transmission belt and transmission belt on which mark is engraved |
| CN1313801A (en) * | 1998-07-16 | 2001-09-19 | 鲍尔公司 | Method and apparatus for marking containers using laser light |
| CN1401507A (en) * | 2002-09-29 | 2003-03-12 | 武汉楚天激光（集团）股份有限公司 | Laser carving machine for working in glass body |
| EP1138516B1 (en) * | 2000-03-29 | 2006-02-22 | Vitro Laser GmbH | Method for forming an internal engraved image in a flat body and apparatus for performing the method |
| CN101314303A (en) * | 2008-06-25 | 2008-12-03 | 惠州宝柏包装有限公司 | Chiseling apparatus and method for chiseling pattern on composite packing material |
| WO2009078324A1 (en) * | 2007-12-19 | 2009-06-25 | Mitsuboshi Diamond Industrial Co., Ltd. | Method for chamfering/machining brittle material substrate and chamfering/machining apparatus |
| WO2009093877A2 (en) * | 2008-01-25 | 2009-07-30 | Complex machining center |
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2009
- 2009-08-07 CN CN200910109539.XA patent/CN101987554B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4480169A (en) * | 1982-09-13 | 1984-10-30 | Macken John A | Non contact laser engraving apparatus |
| DE19831890A1 (en) * | 1997-07-18 | 1999-02-11 | Lasercomb Laser Kombinations S | Operating on a workpiece using a laser beam |
| CN1313801A (en) * | 1998-07-16 | 2001-09-19 | 鲍尔公司 | Method and apparatus for marking containers using laser light |
| JP2001205463A (en) * | 2000-01-27 | 2001-07-31 | Mitsuboshi Belting Ltd | Method of mark engraving device on transmission belt and transmission belt on which mark is engraved |
| EP1138516B1 (en) * | 2000-03-29 | 2006-02-22 | Vitro Laser GmbH | Method for forming an internal engraved image in a flat body and apparatus for performing the method |
| CN1401507A (en) * | 2002-09-29 | 2003-03-12 | 武汉楚天激光（集团）股份有限公司 | Laser carving machine for working in glass body |
| WO2009078324A1 (en) * | 2007-12-19 | 2009-06-25 | Mitsuboshi Diamond Industrial Co., Ltd. | Method for chamfering/machining brittle material substrate and chamfering/machining apparatus |
| WO2009093877A2 (en) * | 2008-01-25 | 2009-07-30 | Complex machining center | |
| CN101314303A (en) * | 2008-06-25 | 2008-12-03 | 惠州宝柏包装有限公司 | Chiseling apparatus and method for chiseling pattern on composite packing material |
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| CN101987554A (en) | 2011-03-23 |
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