CN204735712U - Vibration material disk finish machining equipment of laser selectivity molten metal powder - Google Patents
Vibration material disk finish machining equipment of laser selectivity molten metal powder Download PDFInfo
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- CN204735712U CN204735712U CN201520513302.9U CN201520513302U CN204735712U CN 204735712 U CN204735712 U CN 204735712U CN 201520513302 U CN201520513302 U CN 201520513302U CN 204735712 U CN204735712 U CN 204735712U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The utility model discloses a vibration material disk finish machining equipment of laser selectivity molten metal powder, its characterized in that, this equipment shake scanning mirror mechanism and laser engraving machine by the optical -fiber laser and construct compound forming, the optical -fiber laser shakes scanning mirror mechanism and has a XY workstation, and laser sculpture head that laser engraving machine constructs is installed at the Y of XY workstation epaxially, in a plurality of layers of back of finished piece preparation, drives laser sculpture head by the XY workstation of section software control and carries out the laser sculpture according to the route of section software control to the finished piece. The utility model has the beneficial effects of: shake scanning mirror mechanism and laser engraving machine with the optical -fiber laser and construct compound back, at vibration material disk's in -process, shake scanning mirror mechanism by laser and carry out subregion fast scan, construct between to inside and outside boundary line by laser engraving machine and carve fast scan and sculpture hocket to can obtain the finished piece that the size is accurate.
Description
Technical field
The utility model relates to a kind of increasing material manufacturing equipment, and the increasing material being specifically related to a kind of laser selective deposite metal powder manufactures finish machining equipment, belongs to and increases material manufacturing equipment field.
Background technology
Adopt selective laser melting (Selective Laser Melting, SLM) when technology manufactures metal parts, due to after the laser beam flying that metal dust is moved rapidly immediately rapid melting solidify, so can realize directly manufacturing metal parts complicated arbitrarily.
When manufacturing metal parts, the laser galvanometer scanning mechanism of usual use dynamic focusing mode, the laser beam of this mechanism obtains uniform collimated light beam after beam expanding lens expands, then collimated light beam is projected on X-axis, Y-axis galvanometer after being amplified by dynamic focusing and light beam successively, and correspondingly reflexes to scanning element work top formed in plane.In theory, this mechanism can realize the scanning of any complex figure on working face.In fact, this mechanism is in installation and operation process, the input eccentric error of light beam, the temperature drift of galvanometer mechanism and null offset etc. all can make scanning patter and theoretical figure produce comparatively big error, although can be corrected by the control information of characteristic point, still have certain error.
Summary of the invention
For solving the deficiencies in the prior art, the purpose of this utility model is the increasing material manufacturing equipment providing a kind of laser selective deposite metal powder and laser engraving compound, and this equipment can realize the microcell fusing of metal dust and the fine finishining of product inside and outside contour.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
The increasing material of a kind of laser selective deposite metal powder manufactures finish machining equipment, it is characterized in that, this equipment is composited by optical-fiber laser vibration mirror scanning mechanism and laser engraving mechanism, aforementioned optical-fiber laser vibration mirror scanning mechanism comprises: airtight working chamber (2), be arranged on the optical-fiber laser scanning means (1) of top, aforementioned operation chamber (2), be arranged in aforementioned operation chamber (2), there is X-axis and Y-axis in the horizontal direction simultaneously and the XY worktable (4) controlled by Slice Software, be arranged on the two-way powder laying device (3) on aforementioned XY worktable (4), and be arranged on the working cylinder (10) of below, aforementioned operation chamber (2), the piston (13) of aforementioned operation cylinder (10) is provided with model substrate (12), aforementioned laser Egraver is arranged in working chamber (2), laser engraving mechanism has laser engraving head (6), and aforementioned laser engraving member (6) is arranged in the Y-axis of aforementioned XY worktable (4) by the slide block (7) in Y-axis.
The increasing material of aforesaid laser selective deposite metal powder manufactures finish machining equipment, it is characterized in that, the X-axis of aforementioned XY worktable (4) is identical with the structure of Y-axis, all comprise: rolling guide (401), the ball screw (402) be arranged in parallel with aforementioned rolling guide (401), be arranged on the slide block (403) on aforementioned rolling guide (401) and ball screw (402), and the servomotor (404) driving aforementioned ball screw (402) to rotate.
The increasing material of aforesaid laser selective deposite metal powder manufactures finish machining equipment, it is characterized in that, aforementioned laser Egraver comprises: laser engraving head (6), speculum (5), beam expanding lens (8) and optical fiber input head (9), laser beam is input in beam expanding lens (8) by optical fiber input head (9), through beam expanding lens (8) expand with speculum (5) reflection after enter into laser engraving head (6), in laser engraving head (6), be focused to minor diameter hot spot, be finally irradiated on sculpture surface.
The increasing material of aforesaid laser selective deposite metal powder manufactures finish machining equipment, it is characterized in that, aforementioned laser engraving member (6) comprising: be arranged on the reflecting optics (602) on mirror unit (601), be arranged on the condenser lens (605) on adjustable focus lens microscope base (604), and connect the connection seat (603) of mirror unit (601) and adjustable focus lens microscope base (604), reflecting optics (602) and condenser lens (605) are arranged by flight path, laser beam enters condenser lens (605) and is focused to minor diameter hot spot after reflecting optics (602) reflection, finally be irradiated on sculpture surface.
Usefulness of the present invention is:
(1) by after optical-fiber laser vibration mirror scanning mechanism and laser engraving mechanism compound, in the process increasing material manufacture, optical-fiber laser vibration mirror scanning mechanism carries out rapid scanning to powder bed, make constituency metal molten, laser engraving mechanism internally carves in boundary line, outside, rapid scanning and engraving hocket, thus can obtain accurate in size product;
(2) temperature of laser scanning fusion zone can not impact laser engraving, and the outside optical system of engraving laser beam is relatively simple, and precision stability is good, can the expansion of laser light scanning molten metallic material scope of application.
Accompanying drawing explanation
Fig. 1 is the structural representation of a specific embodiment of the present utility model;
Fig. 2 is the top view of XY worktable in Fig. 1 and laser engraving mechanism;
Fig. 3 is the structural representation of the laser engraving head in Fig. 1.
The implication of Reference numeral in figure: 1-optical-fiber laser scanning means, 2-working chamber, 3-two-way powder laying device, 4-XY workbench, 5-speculum, 6-laser engraving head, 7-slide block, 8-beam expanding lens, 9-optical fiber input head, 10-working cylinder, 11-product, 12-model substrate, 13-piston, 401-rolling guide, 402-ball screw, 403-slide block, 404-servomotor, 601-mirror unit, 602-reflecting optics, 603-connection seat, 604-adjustable focus lens microscope base, 605-condenser lens.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the utility model.
Equipment of the present utility model is composited by optical-fiber laser vibration mirror scanning mechanism and laser engraving mechanism, and it possesses Liang Ge mechanism advantage separately simultaneously, can realize the fusing of metal dust microcell and fine finishining.Concrete, carry out subregion rapid scanning by laser galvanometer scanning mechanism, carved by laser engraving head to inner and outer boundary line, such rapid scanning hockets with engraving compound can obtain accurate in size product.
Introduce the concrete structure of optical-fiber laser vibration mirror scanning mechanism and laser engraving mechanism below in detail.
First the structure of optical-fiber laser vibration mirror scanning mechanism is introduced.
With reference to Fig. 1, optical-fiber laser vibration mirror scanning mechanism comprises: working chamber 2, optical-fiber laser scanning means 1, XY worktable 4, two-way powder laying device 3 and working cylinder 10, wherein, working chamber 2 is airtight cavitys, optical-fiber laser scanning means 1 is arranged on the top of working chamber 2, XY worktable 4 (XY worktable 4 has high motion rigidity) and two-way powder laying device 3 are arranged in working chamber 2, XY worktable 4 is controlled by Slice Software and has X-axis and Y-axis in the horizontal direction simultaneously, two-way powder laying device 3 is arranged on XY worktable 4, it can move in the X-axis direction on XY worktable 4, working cylinder 10 is arranged on the below of working chamber 2, the piston 13 of working cylinder 10 is provided with model substrate 12, two-way powder laying device 3 is at model substrate 12 upper berth layer of metal powder, optical-fiber laser scanning means 1 makes fusion of metal powder, solidify, piston 13 drives product 11 to decline the distance of one deck, two-way powder laying device 3 continues paving powder, enter next working cycles.
With reference to Fig. 2, XY worktable 4 has X-axis and Y-axis simultaneously, its X-axis is identical with the structure of Y-axis, all comprise: rolling guide 401 (having enough supporting rigidities), ball screw 402, slide block 403 and servomotor 404, wherein, ball screw 402 and rolling guide 401 be arranged in parallel, and slide block 403 (moving for driving whole Y-axis) is arranged on rolling guide 401 and ball screw 402, and servomotor 404 is used for driving ball screw 402 to rotate.Drive ball screw 402 to rotate owing to have employed servomotor 404, so the frictional resistance of XY worktable 4 is less, the dynamic characteristic of slide block 403 can be improved.
Next the structure of laser engraving mechanism is introduced.
See figures.1.and.2, laser engraving mechanism is arranged in working chamber 2, it has laser engraving head 6, this laser engraving head 6 is arranged in the Y-axis of XY worktable 4 by the slide block 7 in Y-axis and (rests on 0 position of XY worktable 4), after product 11 makes some layers, when needing Compound Machining, the route that XY worktable 4 drives laser engraving head 6 to control according to Slice Software carries out laser engraving to product 11.
In the present embodiment, laser engraving mechanism comprises: laser engraving head 6, speculum 5, beam expanding lens 8 and optical fiber input head 9, laser beam is input in beam expanding lens 8 by optical fiber input head 9, through beam expanding lens 8 expand with speculum 5 reflect after enter into laser engraving head 6, in laser engraving head 6, be focused to minor diameter hot spot, be finally irradiated on sculpture surface.
With reference to Fig. 3, laser engraving head 6 comprises: mirror unit 601, reflecting optics 602, adjustable focus lens microscope base 604, condenser lens 605 and connection seat 603, wherein, reflecting optics 602 is arranged on mirror unit 601, condenser lens 605 is arranged on adjustable focus lens microscope base 604, connection seat 603 connects mirror unit 601 and adjustable focus lens microscope base 604, condenser lens 605, reflecting optics 602 and speculum 5 is arranged by flight path, and laser beam enters condenser lens 605 after reflecting be focused to minor diameter hot spot through speculum 5, reflecting optics 602.
Laser galvanometer scanning mechanism has the function of rapid melting metal dust, but under the effect of its corresponding thermodynamics and kinetics rule, product can be caused to be out of shape, thus affect the dimensional accuracy of product.
Laser engraving is process medium based on XY Numeric Control Technology, with laser, the figure utilizing laser to scan in the plane and theoretical figure is error free, the physical modification of rapidoprint instant melting and gasification under laser irradiates, can make laser reach the object of precision cutting.
Laser galvanometer scanning mechanism and laser engraving mechanism have been carried out compound by the utility model, system after compound carries out subregion rapid scanning by laser galvanometer scanning mechanism, by laser engraving mechanism between inner and outer boundary line carve, in the process increasing material manufacture, rapid scanning and engraving hocket, so equipment of the present utility model possesses Liang Ge mechanism advantage separately simultaneously, thus accurate in size product can be obtained.
In addition, in equipment of the present utility model, the temperature of laser scanning fusion zone can not impact laser engraving, and the outside optical system of engraving laser beam is relatively simple, precision stability is good, and therefore hybrid system of the present utility model can the expansion of laser light scanning molten metallic material scope of application.
It should be noted that, above-described embodiment does not limit the present invention in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection domain of the present utility model.
Claims (4)
1. the increasing material of a laser selective deposite metal powder manufactures finish machining equipment, it is characterized in that, this equipment is composited by optical-fiber laser vibration mirror scanning mechanism and laser engraving mechanism, described optical-fiber laser vibration mirror scanning mechanism comprises: airtight working chamber (2), be arranged on the optical-fiber laser scanning means (1) of described working chamber (2) top, be arranged in described working chamber (2), there is X-axis and Y-axis in the horizontal direction simultaneously and the XY worktable (4) controlled by Slice Software, be arranged on the two-way powder laying device (3) on described XY worktable (4), and be arranged on the working cylinder (10) of described working chamber (2) below, the piston (13) of described working cylinder (10) is provided with model substrate (12), described laser engraving mechanism is arranged in working chamber (2), laser engraving mechanism has laser engraving head (6), and described laser engraving head (6) is arranged in the Y-axis of described XY worktable (4) by the slide block (7) in Y-axis.
2. the increasing material of laser selective deposite metal according to claim 1 powder manufactures finish machining equipment, it is characterized in that, the X-axis of described XY worktable (4) is identical with the structure of Y-axis, all comprise: rolling guide (401), the ball screw (402) be arranged in parallel with described rolling guide (401), be arranged on the slide block (403) on described rolling guide (401) and ball screw (402), and the servomotor (404) driving described ball screw (402) to rotate.
3. the increasing material of laser selective deposite metal according to claim 1 powder manufactures finish machining equipment, it is characterized in that, described laser engraving mechanism comprises: laser engraving head (6), speculum (5), beam expanding lens (8) and optical fiber input head (9), laser beam is input in beam expanding lens (8) by optical fiber input head (9), through beam expanding lens (8) expand with speculum (5) reflection after enter into laser engraving head (6), in laser engraving head (6), be focused to minor diameter hot spot, be finally irradiated on sculpture surface.
4. the increasing material of laser selective deposite metal according to claim 3 powder manufactures finish machining equipment, it is characterized in that, described laser engraving head (6) comprising: be arranged on the reflecting optics (602) on mirror unit (601), be arranged on the condenser lens (605) on adjustable focus lens microscope base (604), and connect the connection seat (603) of mirror unit (601) and adjustable focus lens microscope base (604), reflecting optics (602) and condenser lens (605) are arranged by flight path, laser beam enters condenser lens (605) and is focused to minor diameter hot spot after reflecting optics (602) reflection, finally be irradiated on sculpture surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520513302.9U CN204735712U (en) | 2015-07-15 | 2015-07-15 | Vibration material disk finish machining equipment of laser selectivity molten metal powder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520513302.9U CN204735712U (en) | 2015-07-15 | 2015-07-15 | Vibration material disk finish machining equipment of laser selectivity molten metal powder |
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| CN204735712U true CN204735712U (en) | 2015-11-04 |
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| CN201520513302.9U Active CN204735712U (en) | 2015-07-15 | 2015-07-15 | Vibration material disk finish machining equipment of laser selectivity molten metal powder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105935769A (en) * | 2016-07-07 | 2016-09-14 | 四川三阳永年增材制造技术有限公司 | Laser-cladding etching preparation method for 3D-printing formed part |
| CN106003724A (en) * | 2016-06-28 | 2016-10-12 | 中北大学 | Selective laser sintering (SLS) powder-laying roller |
| CN106964776A (en) * | 2017-05-10 | 2017-07-21 | 窦鹤鸿 | Cylindrical 3D printing equipment and 3D printer |
-
2015
- 2015-07-15 CN CN201520513302.9U patent/CN204735712U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106003724A (en) * | 2016-06-28 | 2016-10-12 | 中北大学 | Selective laser sintering (SLS) powder-laying roller |
| CN106003724B (en) * | 2016-06-28 | 2018-04-24 | 中北大学 | A kind of selective laser sintering SLS powdering rollers |
| CN105935769A (en) * | 2016-07-07 | 2016-09-14 | 四川三阳永年增材制造技术有限公司 | Laser-cladding etching preparation method for 3D-printing formed part |
| CN105935769B (en) * | 2016-07-07 | 2017-11-28 | 四川三阳激光增材制造技术有限公司 | A kind of laser melting coating for 3D printing drip molding etches preparation method |
| CN106964776A (en) * | 2017-05-10 | 2017-07-21 | 窦鹤鸿 | Cylindrical 3D printing equipment and 3D printer |
| CN106964776B (en) * | 2017-05-10 | 2019-07-05 | 窦鹤鸿 | Cylindrical 3D printing equipment and 3D printer |
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