CN105834588A - Device for machining metal mirror by laser ablation - Google Patents
Device for machining metal mirror by laser ablation Download PDFInfo
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- CN105834588A CN105834588A CN201510012319.0A CN201510012319A CN105834588A CN 105834588 A CN105834588 A CN 105834588A CN 201510012319 A CN201510012319 A CN 201510012319A CN 105834588 A CN105834588 A CN 105834588A
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Abstract
The invention discloses a full-automatic high-efficient high-quality device for machining a metal mirror by laser ablation. The device includes a operation platform and a laser; the operation platform is provided with a five-axis linkage structure, wherein the axes includes a Z axis, an X axis, a Y axis, an A axis, and a C axis; the Z axis is provided with a Z axis motor and a cavity; the Z axis, the Z axis motor and the cavity are arranged on the X axis; a camera, an automatic focusing device, a high-power laser output end, a low-power laser output end, an optical path switching reflector and a total reflector are arranged in the cavity, wherein the camera is connected to a scanning galvanometer, a flat-field lens is arranged under the scanning galvanometer; the Y axis is provided with the A axis and the C axis which are perpendicularly arranged; the A axis is provided with a swinging structure and an A axis motor, and the A axis motor is arranged on the machining platform; and the C axis is provided with a C axis motor. The consistency of mirror machining is good, roughness can be controlled freely, pollution can be avoided, and the advantage of environment protection is highlighted.
Description
Technical field
The invention belongs to mould manufacturing field, particularly relate to use the device of processing mould surface by using laser.
Background technology
Some need surface smoothness and the roughness of better quality for manufacturing moulds such as metal, glass, plastics, and it directly influences the quality of product, wearability, optical property and visual effect.The processing of mould early stage uses the equipment such as lathe, grinding machine, milling machine, line cutting, electric spark to be processed, surface roughness is bigger, obtain higher fineness, surfaction traditional method has two kinds at present, a kind of be use fine carborundum wheel to grind after, re-use manual grinding polishing, use special cloth mix light corrosive liquids or diamond unguentum repeatedly with die surface friction, form mirror effect.But manual grinding polishing is by some limitation, if desired for a twist of the wrist and experience, but also being difficult to ensure concordance and the repeatability of minute surface, manual grinding polishing also is difficult to ensure the precision of size, and this process is the most time-consuming.Another kind is to use machine to grind to be processed, and is positioned over by workpiece on a disk persistently rotated, disk is surrounded by metallurgical polishing cloth, workpiece also follows disk to rotate together, simultaneously while spraying corrosivity polishing liquid or diamond unguentum, workpiece rubs repeatedly with the cloth on disk, it is also possible to reach the effect of minute surface, but shortcoming is cannot processing profiled part, during because rotating, track is inconsistent, and after causing processing, flatness is poor, and working (machining) efficiency is low, polishing liquid has corrosivity, pollutes environment.
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of full-automation and high efficiency and the equipment of high-quality employing laser ablation processing metallic mirror surface.
According to an aspect of the present invention, a kind of equipment using laser ablation processing metallic mirror surface is provided, including operating platform and laser instrument, described operating platform is provided with Z axis, X-axis, Y-axis, A axle and the five-axis simultaneous structure of C axle, described Z axis is provided with Z axis motor and cavity, described Z axis, Z axis motor and cavity are all located in X-axis, it is provided with camera in described cavity, automatic focusing device, high power laser delivery, low-power laser delivery, light path switched mirror and completely reflecting mirror, described camera is also associated with scanning galvanometer, under described scanning galvanometer, orientation is provided with field flattening lens.Described Y-axis is provided with and is vertically installed with A axle and C axle, and described A axle is provided with swinging structure and A spindle motor, and described A spindle motor is provided with processing table top, and described C axle is provided with C axle motor.Camera, for being automatically positioned mould, when automatic focusing device is used for processing 3D curved surface, according to computerized algorithm, adjusts laser focal automatically.The laser of low-power laser delivery output is reflected the laser light to interior or the output of high power laser delivery the laser of automatic focusing device by light path switched mirror and just can be reflected the laser light in automatic focusing device by completely reflecting mirror.
Adding man-hour, computer reads two dimension to be processed or the parts pattern of three-dimensional, calculate the movement locus of all kinematic axiss, and control laser switch laser, laser is allowed to incide scanning galvanometer after passing through automatic focusing device, laser is from field flattening lens outgoing and is irradiated to need the die surface of processing with non-focusing focus, die surface is made to produce large area ablation because absorbing strong laser by the way of scanning galvanometer is with progressive scan, the surfacing melted makes some thrusts flow to recess because of tension force, the mirror effect of unusual light is can be obtained by after solidification.Control direction and the position of irradiation that laser irradiates, it is possible to be processed into by the mould of 3D or arbitrary shape and there is good fineness and roughness effect.It provides the benefit that: this equipment instead of manual processing completely, it is achieved that full-automatic and high efficiency laser mirror finish.The employing of five-axis simultaneous structure not only can process the special-shaped part of arbitrary shape, and machining accuracy is high, does not destroy flatness and the radius of curvature of former part.Mirror finish concordance is good, and roughness can freely control, and ensure that without any pollution, has shown the advantage of environmental protection.
In some embodiments, described Y-axis is the most vertically provided with oxygen storehouse guide rail, described oxygen storehouse guide rail is provided with oxygen storehouse.It provides the benefit that: processed mould is positioned in oxygen storehouse, prevents die surface high-temperature oxydation.
In some embodiments, it is additionally provided with height measuring gauge in described cavity.It provides the benefit that: described height measuring gauge is used for auxiliary positioning and determines mould initial point and height.
In some embodiments, it is additionally provided with switching mirror in described cavity and drives motor.It provides the benefit that: switching mirror drives the effect of motor be used to switching or select to use which group laser output.
In some embodiments, the high power laser delivery in described cavity and low-power laser delivery are at least provided with one.It provides the benefit that: according to different mold materials and requirement, the output of one of them laser can be selected to be processed just can completing, or first with row processing when re-using the output of another laser after the output processing of one of them laser, it is used for obtaining different processing effects.
In some embodiments, described laser instrument can be any one or any two kinds of pulse laser, continuous wave laser and excimer laser.It provides the benefit that: actual add man-hour, according to different mold materials and requirement, the output of wherein one or two laser can be selected to be processed just can completing.
In some embodiments, described oxygen storehouse uses nitrogen transporting hose to connect nitrogen pot.It provides the benefit that: nitrogen in nitrogen pot is transported in oxygen storehouse by nitrogen transporting hose, die surface high-temperature oxydation when preventing laser machined die.
In some embodiments, top, described oxygen storehouse is additionally provided with protective glass.It provides the benefit that: is easy to laser and is irradiated to die surface to be processed through protective glass.
In some embodiments, described protective glass is coated with laser anti-reflection film.It provides the benefit that: laser anti-reflection film can make the laser not loss of energy through protective glass to the full extent.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the internal structure schematic diagram of cavity in the present invention.
In figure: 1-operating platform, 2-laser instrument, 3-Z axle; 4-X axle, 5-Y axle, 6-Z spindle motor; 7-cavity, 8-swinging structure, 9-A spindle motor; 10-processes table top, 11-C spindle motor, 12-oxygen storehouse guide rail; 13-oxygen storehouse, 14-nitrogen transporting hose, 15-nitrogen pot; 16-protective glass, 17-camera, 18-automatic focusing device; 19-high power laser delivery; 20-low-power laser delivery, 21-light path switched mirror, 22-completely reflecting mirror; 23-scanning galvanometer; 24-field flattening lens, 25-height measuring gauge, 26-switching mirror drives motor.
Detailed description of the invention
1 and 2 the present invention is further illustrated below in conjunction with the accompanying drawings.Fig. 1 and Fig. 2 schematically shows a kind of equipment using laser ablation processing metallic mirror surface of the present invention, as shown in Figure 1, including operating platform 1 and laser instrument 2, described operating platform 1 is provided with Z axis 3, X-axis 4, Y-axis 5, A axle and the five-axis simultaneous structure of C axle, described Z axis 3 is provided with Z axis motor 6 and cavity 7, described Z axis 3, Z axis motor 6 and cavity 7 are all located in X-axis 4, as shown in Figure 2, it is provided with camera 17 in described cavity 7, automatic focusing device 18, high power laser delivery 19, low-power laser delivery 20, light path switched mirror 21 and completely reflecting mirror 22, described camera 17 is other is also associated with scanning galvanometer 23, 23 times orientation of described scanning galvanometer are provided with field flattening lens 24.Described Y-axis 5 is provided with and is vertically installed with A axle and C axle, and described A axle is provided with swinging structure 8 and A spindle motor 9, and described A spindle motor 9 is provided with processing table top 10, and described C axle is provided with C axle motor 11.
The mould needing processing it is placed on processing table top 10 and fixes, two dimension or the 3-D graphic of mould are imported in computer, computer calculates the movement locus of five axles automatically, and Z axis motor 6 is adjusted to suitable laser out of focus focal length, and the particular location needing Laser Processing measured by camera 17.Computer controlled laser 2 switch laser, after laser is exported by field flattening lens 24, is irradiated to die surface to be processed.Computer controls automatic focusing device 18 according to the 3D shape of mould allows the focal length of laser be in all the time in fixing out of focus focus.The die location needing processing minute surface is scanned by scanning galvanometer 23, allow laser that die surface irradiates fusing line by line, and the 3D shape of finished surface is needed according to mould, computer controls Z axis 3, X-axis 4, Y-axis 5, A spindle motor 9 and C axle motor 11 and links, allow laser be irradiated to each face to be processed, complete the 3D shape mirror finish of complexity.
For preventing die surface high-temperature oxydation, described Y-axis 5 is the most vertically provided with oxygen storehouse guide rail 12, described oxygen storehouse guide rail 12 is provided with oxygen storehouse 13, oxygen storehouse 13 is promoted to processing table top 10 direction, makes processed mold close in oxygen storehouse 13.
In order to auxiliary positioning and determine mould initial point with height, measure mould four directions location, be additionally provided with height measuring gauge 25 in described cavity 7.
Actual add man-hour, according to different mold materials and requirement, the output of one of them laser can be selected to be processed, or first with after the output processing of one of them laser, re-use the output of another laser to be processed, it is used for obtaining different processing effects, is provided with switching mirror in described cavity 7 and drives motor 26, high power laser delivery 19 in described cavity 7 and low-power laser delivery 20 at least provided with one.
Actual adding man-hour, according to different mold materials and requirement, the output of wherein one or two laser can be selected to be processed just can completing, described laser instrument 2 is any one or any two kinds of pulse laser, continuous wave laser and excimer laser.
Die surface high-temperature oxydation during for preventing laser machined die, described oxygen storehouse 13 uses nitrogen transporting hose 14 to connect nitrogen pot 15, and computer controls to be transferred in oxygen storehouse 13 nitrogen in nitrogen pot 15 by nitrogen transporting hose 14.
For the ease of laser through being irradiated to die surface to be processed, top, described oxygen storehouse 13 is additionally provided with protective glass 16.
In order to make the laser not loss of energy through protective glass 16 to the full extent, described protective glass 16 is coated with laser anti-reflection film.
Above-described is only some embodiments of the present invention, it is noted that for the person of ordinary skill of the art, on the premise of the creation without departing from the present invention is conceived, it is also possible to making other deformation and improve, these broadly fall into protection scope of the present invention.
Claims (9)
1. the equipment using laser ablation processing metallic mirror surface, it is characterised in that including operating platform (1) and laser instrument (2), described operating platform is provided with Z axis (3), X-axis (4), Y-axis (5), A axle and the five-axis simultaneous structure of C axle,
Described Z axis (3) is provided with Z axis motor (6) and cavity (7), and described Z axis (3), Z axis motor (6) and cavity (7) are all located in X-axis (4),
Camera (17), automatic focusing device (18), high power laser delivery (19), low-power laser delivery (20), light path switched mirror (21) and completely reflecting mirror (22) it is provided with in described cavity (7), described camera (17) is other is also associated with scanning galvanometer (23), under described scanning galvanometer (23), orientation is provided with field flattening lens (24)
Described Y-axis (5) is provided with and is vertically installed with A axle and C axle, and described A axle is provided with swinging structure (8) and A spindle motor (9), and described A spindle motor (9) is provided with processing table top (10), and described C axle is provided with C axle motor (11).
A kind of equipment using laser ablation processing metallic mirror surface the most as claimed in claim 1, it is characterised in that be the most vertically provided with oxygen storehouse guide rail (12) in described Y-axis (5), described oxygen storehouse guide rail (12) is provided with oxygen storehouse (13).
A kind of equipment using laser ablation processing metallic mirror surface the most as claimed in claim 1, it is characterised in that be additionally provided with height measuring gauge (25) in described cavity (7).
A kind of equipment using laser ablation processing metallic mirror surface the most as claimed in claim 1, it is characterised in that be additionally provided with switching mirror in described cavity (7) and drive motor (26).
A kind of equipment using laser ablation processing metallic mirror surface the most as claimed in claim 1, it is characterised in that high power laser delivery (19) in described cavity (7) and low-power laser delivery (20) are at least provided with one.
A kind of equipment using laser ablation processing metallic mirror surface the most as claimed in claim 1, it is characterised in that described laser instrument (2) can be any one or any two kinds of pulse laser, continuous wave laser and excimer laser.
A kind of equipment using laser ablation processing metallic mirror surface the most as claimed in claim 2, it is characterised in that described oxygen storehouse (13) uses nitrogen transporting hose (14) to connect nitrogen pot (15).
A kind of equipment using laser ablation processing metallic mirror surface the most as claimed in claim 2, it is characterised in that described oxygen storehouse (13) top is additionally provided with protective glass (16).
A kind of equipment using laser ablation processing metallic mirror surface the most as claimed in claim 8, it is characterised in that described protective glass (16) is coated with laser anti-reflection film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510012319.0A CN105834588A (en) | 2015-01-12 | 2015-01-12 | Device for machining metal mirror by laser ablation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510012319.0A CN105834588A (en) | 2015-01-12 | 2015-01-12 | Device for machining metal mirror by laser ablation |
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| CN105834588A true CN105834588A (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510012319.0A Pending CN105834588A (en) | 2015-01-12 | 2015-01-12 | Device for machining metal mirror by laser ablation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587581A (en) * | 2016-12-11 | 2017-04-26 | 大连哈尼比科技有限公司 | Glass fusion bonding method, as well as manufacturing method and manufacturing equipment of vacuum glass |
| CN106903434A (en) * | 2017-01-06 | 2017-06-30 | 长春理工大学 | A kind of manufacture device and manufacture method of micro turning cutter Surface Texture |
| CN109590603A (en) * | 2019-01-07 | 2019-04-09 | 中国科学院上海光学精密机械研究所 | The laser beam polishing method of fused quartz optical glass |
| CN113909696A (en) * | 2021-08-24 | 2022-01-11 | 清华大学 | Mirror surface processing device |
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| US20080110869A1 (en) * | 2006-11-15 | 2008-05-15 | Button International Co., Ltd. | Method of machining mold surface using laser |
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| CN101590570A (en) * | 2008-05-26 | 2009-12-02 | 上海市激光技术研究所 | A kind of method of welding tube type heat exchanger by using laser scanning and device |
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Patent Citations (9)
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| CN1954954A (en) * | 2005-10-27 | 2007-05-02 | 鸿富锦精密工业（深圳）有限公司 | Mould processing device |
| US20080110869A1 (en) * | 2006-11-15 | 2008-05-15 | Button International Co., Ltd. | Method of machining mold surface using laser |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587581A (en) * | 2016-12-11 | 2017-04-26 | 大连哈尼比科技有限公司 | Glass fusion bonding method, as well as manufacturing method and manufacturing equipment of vacuum glass |
| CN106903434A (en) * | 2017-01-06 | 2017-06-30 | 长春理工大学 | A kind of manufacture device and manufacture method of micro turning cutter Surface Texture |
| CN109590603A (en) * | 2019-01-07 | 2019-04-09 | 中国科学院上海光学精密机械研究所 | The laser beam polishing method of fused quartz optical glass |
| CN113909696A (en) * | 2021-08-24 | 2022-01-11 | 清华大学 | Mirror surface processing device |
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Application publication date: 20160810 |