CN201033467Y - Ultraviolet light solidifying fast-shaping equipment - Google Patents
Ultraviolet light solidifying fast-shaping equipment Download PDFInfo
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- CN201033467Y CN201033467Y CNU2007200524110U CN200720052411U CN201033467Y CN 201033467 Y CN201033467 Y CN 201033467Y CN U2007200524110 U CNU2007200524110 U CN U2007200524110U CN 200720052411 U CN200720052411 U CN 200720052411U CN 201033467 Y CN201033467 Y CN 201033467Y
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Abstract
The utility model relates to a fast forming device which adopts ultraviolet light for solidification, comprising a high power ultraviolet light-emitting diode (LED) (1), a beam fixing and focusing device (2), a scanning device for the horizontal movement of the beam (3), a resin groove for holding the liquid photosensitive resin (4), a workpiece bracket (8) with a supporting platform (81) immersed into the resin liquid and a vertical moving device for driving the workpiece bracket to move up and down. The ultraviolet light beam (9) from the ultraviolet LED (1) forms a focusing spot which is projected on the resin liquid level (6) through the beam fixing and focusing device (2), and after the scanning in the direction of X and Y by the scanning device for the horizontal movement of the beam (3), the focusing spot scans the corresponding place of the resin liquid level (6) on the supporting platform (81) of the workpiece bracket. With the high power ultraviolet LED as the solidifying light source, and the beam fixing and focusing device and the scanning device for the horizontal movement of the beam matched with the high power ultraviolet LED, the utility model has the advantages of low cost, easy popularization and application, and practical requirement satisfaction of the technical indexes such as efficiency, precision and speed.
Description
Technical field:
The utility model relates to a kind of ultraviolet light polymerization rapid forming equipment.
Background technology:
The ultraviolet light polymerization rapid forming equipment is cut into slices the three-dimensional digital model of computer aided design cad by software according to certain thickness, be divided into a series of two-dimensional digital figures, utilize the photocuring characteristic of photosensitive resin, use suitable light source and light beam focusing scanning mode, on the photosensitive resin surface, successively solidify successively and pile up above-mentioned X-Y scheme, finally the form of the mathematical model of three-dimensional with the three-dimensional solid-state material object showed.Because it is converted into the stack that a series of two dimensions are made to complicated three-dimensional manufacturing, thereby can under without the condition of mould and instrument, generate almost complicated arbitrarily parts fast, greatly improve production efficiency and made flexible.
In present ultraviolet light polymerization rapid forming equipment, curing light source generally uses expensive ultraviolet gas laser or ultraviolet solid state laser, beam condenser and light-beam scanner use light beam dynamic focus device and galvanometer deflection scanning device, though good beam quality, the fast advantage of sweep speed are arranged, but involving great expense of equipment influenced popularization and application; Indivedual ultraviolet light polymerization rapid forming equipments use the high-power gas charging uviol lamp as curing light source, because this source efficiency is low, power consumption is big, the life-span is short, beam quality is poor, make that the technical indicators such as efficient, precision and speed of equipment are all a kind of low than preceding, can not satisfy practical requirement in a lot of occasions.
Summary of the invention:
The purpose of this utility model overcomes the deficiencies in the prior art exactly, proposes a kind of ultraviolet light polymerization rapid forming equipment, not only low cost, be convenient to popularization and application, and technical indicators such as efficient, precision and speed satisfy practical requirement.
For achieving the above object, the utility model ultraviolet light polymerization rapid forming equipment, comprise the curing light source that sends ultraviolet light, beam condenser, light-beam scanner, the resin storage tank of splendid attire liquid photosensitive resin, its saddle is dipped in the work supporting block in the resin liquid and drives the vertical movement device that work supporting block moves up and down, the ultraviolet light beam that curing light source sends forms the focal beam spot that projects resin liquid level on the work supporting block saddle through beam condenser and light-beam scanner, key is: described curing light source adopts the high-power purple UV light-emitting diode, described beam condenser is a light beam fixed-focus device, light-beam scanner is a beam level face motion scanning means, comprise Y scanning direction mechanism and directions X sweep mechanism, Y scanning direction mechanism comprises Y direction rectilinear orbit, Y direction motor and be located on the Y direction rectilinear orbit and can be along the Y direction slide block of its slip, both sides relative on the resin storage tank are provided with parallel each other Y direction rectilinear orbit, wherein an end of Y direction rectilinear orbit is equipped with and drives the Y direction motor that Y direction slide block slides on it on one side, the directions X sweep mechanism comprises the directions X rectilinear orbit, directions X motor and be located on the directions X rectilinear orbit and can be along the directions X slide block of its slip, the two ends of directions X rectilinear orbit place respectively on the Y direction slide block on the relative both sides of resin storage tank, the one end is equipped with and drives the directions X motor that directions X slide block slides on it, and the directions X slide block is provided with light beam fixed-focus device.
The UV LED of the preferred 365nm wavelength of described high-power purple UV light-emitting diode, the preferred 100mW of its power.
Above-mentioned light beam fixed-focus device can be the ultraviolet microcobjective, described high-power purple UV light-emitting diode and ultraviolet microcobjective are installed on the directions X slide block, and the ultraviolet light that the high-power purple UV light-emitting diode sends forms the focal beam spot that projects the resin liquid level through the ultraviolet microcobjective.
Above-mentioned light beam fixed-focus device can also comprise coupled lens, flexible UV fiber and condenser lens, wherein the output of UV fiber and condenser lens are installed on the directions X slide block, the ultraviolet light that the high-power purple UV light-emitting diode sends is coupled into the input of UV fiber through coupled lens, transmit by UV fiber, penetrate from the output of UV fiber, the line focus lens form the focal beam spot that projects the resin liquid level again.The preferred ultraviolet tapered fibers of UV fiber.
Because curing light source of the present utility model adopts the high-power purple UV light-emitting diode,, determine the optimal wavelength parameter and the power parameter of required UV LED according to the resin material requirement that the ultraviolet light polymerization rapid forming equipment uses.According to the required precision of ultraviolet light polymerization rapid forming equipment moulding, design is applicable to the light beam fixed-focus device and the beam level face motion scanning means of UV LED.So, the utility model not only low cost, be convenient to popularization and application, and technical indicators such as efficient, precision and speed satisfy practical requirement.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is light beam fixed-focus device and the beam level face motion scanning means structural representation of the utility model embodiment one;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is light beam fixed-focus device and the beam level face motion scanning means structural representation of the utility model embodiment two;
The specific embodiment:
The CONSTRUCTED SPECIFICATION of the utility model embodiment is described in detail in detail below in conjunction with accompanying drawing:
Embodiment one:
As shown in Figure 1, the utility model comprises that high-power purple UV light-emitting diode 1, light beam fixed-focus device 2, beam level face motion scanning means 3, the resin storage tank 4 of splendid attire liquid photosensitive resin, its saddle 81 of sending ultraviolet light are dipped in the work supporting block 8 in the resin liquid and drive the vertical movement device 5 that work supporting block 8 moves up and down.As Fig. 2, shown in Figure 3, high-power purple UV light-emitting diode 1 is selected the UV LED of 365nm wavelength for use, and its power is 100mW, and for ease of heat radiation, high-power purple UV light-emitting diode 1 is equipped with radiating subassembly 11.Light beam fixed-focus device 2 is the ultraviolet microcobjective.Beam level face motion scanning means 3 comprises Y scanning direction mechanism and directions X sweep mechanism, Y scanning direction mechanism comprises Y direction rectilinear orbit 31,32, Y direction slide block 33,34 and Y direction motor 35, Y direction rectilinear orbit 31, being equipped with on 32 can be along the Y direction slide block 33 of its slip, 34, both sides relative on the resin storage tank 4 are provided with parallel each other Y direction rectilinear orbit 31,32, wherein an end of Y direction rectilinear orbit 31 is equipped with and drives the Y direction motor 35 that Y direction slide block 33 slides on it on one side, the directions X sweep mechanism comprises directions X rectilinear orbit 36, directions X slide block 37 and directions X motor 38, being equipped with on the directions X rectilinear orbit 36 can be along the directions X slide block 37 of its slip, the two ends of directions X rectilinear orbit 36 place the Y direction slide block 33 on resin storage tank 4 relative two limits respectively, on 34, the one end is equipped with and drives the directions X motor 38 that directions X slide block 37 slides on it, Y direction rectilinear orbit 31,32 and directions X rectilinear orbit 36 orthogonal.High-power purple UV light-emitting diode 1 and ultraviolet microcobjective 2 are installed on the directions X slide block 37, directions X motor 38 and Y direction motor 35 are selected stepper motor for use, rotate by control directions X motor 38 and Y direction motor 35, drive by driving belt or ball-screw, driving directions X slide block 37 and Y direction slide block 33,34 slidably reciprocates, thereby directions X slide block 37 can move on to any position of resin storage tank 4 tops along its residing horizontal plane.
The ultraviolet light beam 9 that high-power purple UV light-emitting diode 1 sends forms the focal beam spot that projects resin liquid level 6 through ultraviolet microcobjective 2, directions X scanning and Y scanning direction through beam level face motion scanning means 3, focal beam spot is in the relevant position of resin liquid level 6 on the work supporting block saddle 81, the focal beam spot place of arrival, the resin liquid curing, focal beam spot point by point scanning on resin liquid level 6, i.e. pointwise is solidified, and one deck of finishing workpiece 7 solidifies.Vertical movement device 5 control work supporting blocks 8 successively move downward in resin storage tank 4, and from resin liquid level 6, along with the scanning successively of light beam 9 and successively moving downward of work supporting block 8, workpiece 7 is successively solidified.
Embodiment two:
The difference of embodiment two and embodiment one is a light beam fixed-focus device.As shown in Figure 4, light beam fixed-focus device comprises coupled lens 21, flexible ultraviolet tapered fibers 22 and condenser lens 23, the output of its medium ultraviolet tapered fibers 22 and condenser lens 23 are installed on the directions X slide block 37, high-power purple UV light-emitting diode 1, the input of coupled lens 21 and flexible ultraviolet tapered fibers 22 maintains static, the ultraviolet light beam 9 that high-power purple UV light-emitting diode 1 sends is coupled into the input of ultraviolet tapered fibers 22 through coupled lens 21, by 22 transmission of ultraviolet tapered fibers, penetrate from the output of ultraviolet tapered fibers 22, line focus lens 23 form the focal beam spot that projects resin liquid level 6 again.All the other are identical with embodiment one, seldom describe herein.
The utility model mainly improves curing light source, beam condenser and the light-beam scanner of existing ultraviolet light polymerization rapid forming equipment, adopt the high-power purple UV light-emitting diode as curing light source, beam condenser and light-beam scanner adopt light beam fixed-focus device and the beam level face motion scanning means that is fit to the UV LED light beam.The utility model design description is as follows:
(1) requirement of the resin material that uses according to the ultraviolet light polymerization rapid forming equipment, determined the wavelength parameter and the power parameter of required UV LED:
The curing wavelength of commercialization photocureable rapid shaping resin material is considered the minimal wave length of commercialization high-power purple UV light-emitting diode generally in the scope of 250～375nm, determines to select for use the UV LED of 365nm.
In addition, the critical exposing quantity of commercialization photocureable rapid shaping resin material is 10mJ/cm
2Magnitude, for the scanning light spot diameter less than the specification requirement of 0.1mm and sweep speed greater than 1m/s, the power of UV LED must be considered the loss of ultraviolet light beam in focusing and transmission course about 50% again greater than 10mW, and the power of determining UV LED is 100mW.
(2), designed the light beam fixed-focus device that is applicable to UV LED according to the required precision of ultraviolet light polymerization rapid forming equipment moulding:
The light-emitting area size of present commercial high-power purple UV light-emitting diode is about 1 * 1mm
2The half-power angle of divergence of light beam is about ± 45 degree, the light beam fixed-focus device of embodiment one uses the ultraviolet microcobjective, can be focused into hot spot to the light beam of above-mentioned UV LED less than the 0.1mm diameter, focusing efficiency is greater than 50%, and the horizontal accuracy that satisfies the ultraviolet light polymerization rapid forming equipment requires and to solidifying the requirement of luminous power.
The light beam fixed-focus device of embodiment two uses flexible ultraviolet tapered fibers, at first the light beam of UV LED is coupled into the ultraviolet tapered fibers with coupled lens, after the transmission through the ultraviolet tapered fibers, beam diameter reduces, again the light beam that penetrates from the ultraviolet tapered fibers is focused into the hot spot of diameter less than 0.1mm with condenser lens, focusing efficiency is greater than 50%, and the horizontal accuracy that satisfies the ultraviolet light polymerization rapid forming equipment requires and to solidifying the requirement of luminous power.
(3) design the beam level face scanning means that is suitable for using UV LED and light beam fixed-focus device thereof, comprised Y scanning direction mechanism and directions X sweep mechanism:
UV LED is not a coherent source, and the UV LED light beam can not keep good beam quality in the transmission in space, so the scanning of UV LED light beam can not be used the mode of beam deflection scanning; Consider that UV LED and light beam fixed-focus device thereof have little, the lightweight characteristics of volume, actual design is as follows:
Embodiment one is installed in UV LED and ultraviolet microcobjective thereof on the directions X slide block of directions X sweep mechanism, the scanning of realization directions X, the directions X rectilinear orbit of directions X sweep mechanism is installed on the Y direction slide block of Y scanning direction mechanism, realizes the Y scanning direction.
Embodiment two maintains static the input of UV LED, coupled lens and flexible ultraviolet tapered fibers, and the output of flexible ultraviolet tapered fibers and condenser lens are installed on the directions X slide block of directions X sweep mechanism, and all the other are identical with embodiment one.
Claims (9)
1. ultraviolet light polymerization rapid forming equipment, comprise the curing light source that sends ultraviolet light, beam condenser, light-beam scanner, the resin storage tank of splendid attire liquid photosensitive resin, its saddle is dipped in the work supporting block in the resin liquid and drives the vertical movement device that work supporting block moves up and down, the ultraviolet light beam that curing light source sends forms the focal beam spot that projects resin liquid level on the work supporting block saddle through beam condenser and light-beam scanner, it is characterized in that: described curing light source adopts the high-power purple UV light-emitting diode, described beam condenser is a light beam fixed-focus device, light-beam scanner is a beam level face motion scanning means, comprise Y scanning direction mechanism and directions X sweep mechanism, Y scanning direction mechanism comprises Y direction rectilinear orbit, Y direction motor and be located on the Y direction rectilinear orbit and can be along the Y direction slide block of its slip, both sides relative on the resin storage tank are provided with parallel each other Y direction rectilinear orbit, wherein an end of Y direction rectilinear orbit is equipped with and drives the Y direction motor that Y direction slide block slides on it on one side, the directions X sweep mechanism comprises the directions X rectilinear orbit, directions X motor and be located on the directions X rectilinear orbit and can be along the directions X slide block of its slip, the two ends of directions X rectilinear orbit place respectively on the Y direction slide block on the relative both sides of resin storage tank, the one end is equipped with and drives the directions X motor that directions X slide block slides on it, and the directions X slide block is provided with light beam fixed-focus device.
2. ultraviolet light polymerization rapid forming equipment according to claim 1 is characterized in that: described Y direction rectilinear orbit and directions X rectilinear orbit are orthogonal.
3. ultraviolet light polymerization rapid forming equipment according to claim 1 is characterized in that: described high-power purple UV light-emitting diode is selected the UV LED of 365nm wavelength for use.
4. ultraviolet light polymerization rapid forming equipment according to claim 3 is characterized in that: the power of described high-power purple UV light-emitting diode is 100mW.
5. ultraviolet light polymerization rapid forming equipment according to claim 2 is characterized in that: described high-power purple UV light-emitting diode is selected the UV LED of 365nm wavelength for use.
6. ultraviolet light polymerization rapid forming equipment according to claim 5 is characterized in that: the power of described high-power purple UV light-emitting diode is 100mW.
7. according to each described ultraviolet light polymerization rapid forming equipment of claim 1 to 6, it is characterized in that: described light beam fixed-focus device is the ultraviolet microcobjective, described high-power purple UV light-emitting diode and ultraviolet microcobjective are installed on the directions X slide block, and the ultraviolet light beam that the high-power purple UV light-emitting diode sends forms the focal beam spot that projects the resin liquid level through the ultraviolet microcobjective.
8. according to each described ultraviolet light polymerization rapid forming equipment of claim 1 to 6, it is characterized in that: described light beam fixed-focus device comprises coupled lens, flexible UV fiber and condenser lens, wherein the output of UV fiber and condenser lens are installed on the directions X slide block, the ultraviolet light beam that the high-power purple UV light-emitting diode sends is coupled into the input of UV fiber through coupled lens, transmit by UV fiber, penetrate from the output of UV fiber, the line focus lens form the focal beam spot that projects the resin liquid level again.
9. ultraviolet light polymerization rapid forming equipment according to claim 8 is characterized in that: described flexible UV fiber is flexible ultraviolet tapered fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200524110U CN201033467Y (en) | 2007-06-06 | 2007-06-06 | Ultraviolet light solidifying fast-shaping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200524110U CN201033467Y (en) | 2007-06-06 | 2007-06-06 | Ultraviolet light solidifying fast-shaping equipment |
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| Publication Number | Publication Date |
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| CN201033467Y true CN201033467Y (en) | 2008-03-12 |
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| CNU2007200524110U Expired - Lifetime CN201033467Y (en) | 2007-06-06 | 2007-06-06 | Ultraviolet light solidifying fast-shaping equipment |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102566257A (en) * | 2011-07-22 | 2012-07-11 | 上海华力微电子有限公司 | Method for cleaning mask plates by means of ultraviolet light and reactive gas |
| CN102792464A (en) * | 2009-12-23 | 2012-11-21 | 熔合Uv系统公司 | UV LED based lamp for compact UV curing lamp assemblies |
| CN103381660A (en) * | 2012-05-03 | 2013-11-06 | 扬明光学股份有限公司 | Three-dimensional printing device |
| CN104227927A (en) * | 2014-09-17 | 2014-12-24 | 西安交通大学 | UV (ultraviolet)-assisted microinjection molding device |
| CN104339656A (en) * | 2013-08-09 | 2015-02-11 | 罗兰Dg有限公司 | Three-dimensional printing apparatus |
| CN105172141A (en) * | 2015-09-10 | 2015-12-23 | 杜晖 | Photosensitive resin 3D printer taking LED array as light source |
| CN104441641B (en) * | 2013-09-14 | 2017-09-29 | 航天信息股份有限公司 | The implementation method and device of 3D printing based on photocureable rapid shaping |
| CN108656531A (en) * | 2018-07-30 | 2018-10-16 | 中南大学 | Large-size micro-nano machining and additive manufacturing equipment |
| CN109304539A (en) * | 2018-11-02 | 2019-02-05 | 英诺激光科技股份有限公司 | It is a kind of with arbitrary surface, for difference correction optical device indirect production method |
-
2007
- 2007-06-06 CN CNU2007200524110U patent/CN201033467Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102792464A (en) * | 2009-12-23 | 2012-11-21 | 熔合Uv系统公司 | UV LED based lamp for compact UV curing lamp assemblies |
| CN102792464B (en) * | 2009-12-23 | 2015-08-26 | 熔合Uv系统公司 | For the UV LED base lamp of compact UV cure lamp assembly |
| CN102566257A (en) * | 2011-07-22 | 2012-07-11 | 上海华力微电子有限公司 | Method for cleaning mask plates by means of ultraviolet light and reactive gas |
| CN103381660A (en) * | 2012-05-03 | 2013-11-06 | 扬明光学股份有限公司 | Three-dimensional printing device |
| CN104339656A (en) * | 2013-08-09 | 2015-02-11 | 罗兰Dg有限公司 | Three-dimensional printing apparatus |
| CN104339656B (en) * | 2013-08-09 | 2018-09-25 | 罗兰Dg有限公司 | Three-dimensional moulding device |
| CN104441641B (en) * | 2013-09-14 | 2017-09-29 | 航天信息股份有限公司 | The implementation method and device of 3D printing based on photocureable rapid shaping |
| CN104227927A (en) * | 2014-09-17 | 2014-12-24 | 西安交通大学 | UV (ultraviolet)-assisted microinjection molding device |
| CN105172141A (en) * | 2015-09-10 | 2015-12-23 | 杜晖 | Photosensitive resin 3D printer taking LED array as light source |
| CN108656531A (en) * | 2018-07-30 | 2018-10-16 | 中南大学 | Large-size micro-nano machining and additive manufacturing equipment |
| CN109304539A (en) * | 2018-11-02 | 2019-02-05 | 英诺激光科技股份有限公司 | It is a kind of with arbitrary surface, for difference correction optical device indirect production method |
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| CX01 | Expiry of patent term | ||
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Granted publication date: 20080312 |