CN201864747U - Light and water coaxial laser impact enhancing head - Google Patents
Light and water coaxial laser impact enhancing head Download PDFInfo
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- CN201864747U CN201864747U CN2010206085176U CN201020608517U CN201864747U CN 201864747 U CN201864747 U CN 201864747U CN 2010206085176 U CN2010206085176 U CN 2010206085176U CN 201020608517 U CN201020608517 U CN 201020608517U CN 201864747 U CN201864747 U CN 201864747U
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Abstract
The utility model belongs to the field of laser impact enhancing, in particular to a light and water coaxial laser impact enhancing head, which comprises a water nozzle module and a focusing module, wherein one end of the focusing module is connected with a primary module on a laser impact enhancing system; the other end of the focusing module is connected with one end of the water nozzle module; a water column outflows from the other end of the water nozzle module; the distance from a focusing mirror focal plane to a water nozzle outlet is adjusted through the focusing module, and further, the length of the water column is adjusted to meet different process requirements. The utility model reduces the parameter fluctuation caused by the traditional water restraint layer application mode through a light and water coaxial mode and improves the processing stability and flexibility. The total reflection when a light beam enters air from a water surface is utilized to restrain and reshape a laser beam. The kinetic energy of water is utilized to enhance the restraint effect of the water restraint layer. Through the three aspects, the laser impact enhancing effect is improved and the difficulty of carrying out automatic and factory production is reduced.
Description
Technical field
The utility model belongs to laser impact intensified field, the co-axial laser impact intensified head of specifically a kind of smooth water.
Background technology
(Laser Shock Peening is to utilize high-energy-density (GW/cm LSP) to reiforcing laser impact technology
2Magnitude), short pulse (ns) pulse laser impact material produces the intensive laser induced plasma at material surface.The GPa level shockwave that its explosion produces acts on material surface and to internal communication, makes in the certain zone of material surface and produce viscous deformation and complicated dislocation structure, forms very big residual compressive stress, improves the fatigue strength and the resistance to corrosion of part.This technology has been widely used in all trades and professions such as mechanical manufacturing engineering, aerospace, microelectronics, national defence, medical treatment at present.
In laser impact intensified process, in order to suppress freely spreading of plasma body, obtain more concentratedly, the shockwave of longer action time usually can add one deck restraint layer in the laser processing zone.Constrained layer material commonly used has quartz, glass, flexible membrane and water etc., wherein water because cost low, flexible good, can not be because of cracked generation residue, advantages such as the piece surface adaptability of complicated shape is strong have been obtained using the most widely, but it has a main shortcoming is the insufficient rigidity of water layer, is difficult to the restraint force that provides powerful.
The implementation of existing water constraint layer mainly contains two kinds, and a kind of is that part is placed in the water tank, processes under water; Another kind is to form the mobile water curtain that thickness is about 2-3mm by external water spouting nozzle at piece surface.This dual mode respectively has characteristics, and preceding a kind of mode can obtain comparatively smooth restraint layer interface, and the course of processing is more stable, but system of processing underaction, work range has been subjected to the restriction of water tank size, and needs to wait for that the water surface calms down after each the impact, and working (machining) efficiency is lower.Then a kind of mode is simple, handiness is high, but water layer thickness is wayward, and water curtain is offset to laser beam one side, and its drop point needs certain distance apart from laser beam, therefore when handling the part of some shape, may be difficult to reach the best fit point of laser beam and water curtain.In addition, above-mentioned two kinds of water constraint layers are under the HI high impact frequency, and water layer splashes easily, and the globule and water smoke in the light path form scattering to laser, may be attached on the optical mirror slip when serious, damage optical mirror slip.
On the optical angle, normally by defocusing amount estimation spot size, error is bigger for existing shock peening equipment in addition; And usually light beam being lacked constraint, regular meeting causes the laser power profile of finished surface to change, and influences the stability of technology.If the homogeneity that guaranteed power distributes then needs to add the beam shaping equipment of more complicated, and this equipment all is very expensive usually.
The utility model content
In order to solve the problems referred to above that existing shock peening equipment exists, the purpose of this utility model is to provide a kind of smooth water co-axial laser impact intensified head.
The purpose of this utility model is achieved through the following technical solutions:
The utility model comprises water spouting nozzle module and focusing module, and wherein an end of focusing module links to each other with laser impact intensified system upper level module, and the other end of focusing module is connected with an end of water spouting nozzle module, and water column is flowed out by the other end of water spouting nozzle module; Described focusing module comprises knob, shell, bearing support, rotation nut, focuses on microscope base and condensing lens, shell links to each other, forms the inner hollow structure with bearing support, the rotation nut is installed in rotation in the internal space that shell and bearing support connect into, described focusing microscope base can move back and forth up and down to be connected in the rotation nut, is provided with condensing lens on the focusing microscope base; Described knob be positioned at shell the outside, by transmission rig with the rotation nut link to each other; Described water spouting nozzle module comprises down protection microscope base, water spouting nozzle, protects eyeglass and water inlet pipe down; protect an end of microscope base to link to each other down with bearing support in the focusing module; the other end is provided with down the protection eyeglass; water spouting nozzle is threaded with protecting microscope base down; inwall and following protection the at water spouting nozzle form the water cavity of separating with optical cavity between the microscope base the other end; the sidewall of water spouting nozzle is provided with water inlet pipe, and the bottom has outlet, and is coaxial with light beam by the water column of outlet ejection.
Wherein: an end of described shell is connected with water-cooled seat, orienting lug in turn and goes up joint flange, and the other end of shell is connected with an end of bearing support, and the other end of bearing support links to each other with the water spouting nozzle module; Described rotation nut is that hollow structure, one end are installed in rotation in the bearing support by bearing, and the inside of the other end is connected with the threaded one end that focuses on microscope base, focuses on the other end and the orienting lug butt of microscope base; Outside surface at the water-cooled seat is provided with 1～4 water-cooled piece; All have keyway on described orienting lug and the focusing microscope base, be provided with restriction in the keyway and focus on the flat key that microscope base rotates; Described going up is provided with the protection eyeglass in the joint flange.
Described transmission rig comprises first gear, second gear, gear shaft and gear shaft block, and wherein gear shaft block is installed on the shell, and an end of gear shaft is provided with knob, and the other end passes gear shaft block, is connected with second gear; Described first gear is installed on the rotation nut, is meshed with second gear; The described gear shaft and second gear radially move back and forth along shell, have the hole that moves through for second gear on the sidewall of shell; Described second gear is provided with spring pressuring plate, is provided with spring between spring pressuring plate and gear shaft block.
The described eyeglass of protection down is installed in down the other end of protecting microscope base by following protective glass pressure ring, and optical cavity and water cavity are by following protective glass pressure ring and protect eyeglass to separate down; Locate by seam the junction of described protection microscope base down and water spouting nozzle; Reach to protect between microscope base and the water spouting nozzle down between described condensing lens and the focusing microscope base and be respectively equipped with sealing-ring.
Advantage of the present utility model and positively effect are:
1. the utility model adopts the co-axial mode of light water, and the plasma body that produces in the impact strengthening process retrains, and processes more flexibly, and adaptability is stronger.
2. the utility model can be regulated to the distance between the water spouting nozzle outlet the condensing lens focal plane by focusing module, and then different process requirements is mated in the adjusting of realization water column length.
3. the utility model can utilize the total reflection constraint and the shaping laser beam of water column by adjusting the fluidised form and the focal position of water.
4. the utility model can utilize the binding effect of the kinetic energy raising article on plasma body of current, improves the efficient of laser-impact.
Description of drawings
Fig. 1 is an external structure synoptic diagram of the present utility model;
Fig. 2 is an internal structure sectional view of the present utility model;
Fig. 3 is the structural representation of the utility model water spouting nozzle module;
Fig. 4 is the structural representation of the utility model focusing module;
Fig. 5 is one of synoptic diagram of the utility model total reflection light beam shaping;
Fig. 6 be the shaping of the utility model total reflection light beam synoptic diagram two;
Fig. 7 is the partial enlarged drawing of Fig. 6;
Wherein: 1 is last joint flange, and 2 is orienting lug, and 3 is the water-cooled seat, and 4 is the water-cooled piece; 5 is knob, and 6 is shell, and 7 is bearing support, and 8 are following joint flange; 9 for protecting microscope base down, and 10 is water spouting nozzle, and 11 is water inlet pipe; 12 is threaded pressure ring, and 13 is last protection eyeglass, and 14 is sealing-ring; 15 are the rotation nut, and 16 for focusing on microscope base, and 17 is first gear; 18 is that the gear back of the body is female, and 19 is needle bearing, and 20 are following protective glass pressure ring; 21 for protecting eyeglass down, and 22 are outlet, and 23 is second gear; 24 is gear shaft block, and 25 is gear shaft, and 26 is spring; 27 is spring pressuring plate, and 28 is the condensing lens threaded pressure ring, and 29 is trim ring; 30 is condensing lens, and 31 is flat key, and 32 is water column.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2; the utility model comprises joint flange 1, orienting lug 2, water-cooled seat 3, focusing module, following joint flange 8 and water spouting nozzle module; focusing module comprises shell 6, bearing support 7, rotation nut 15, focuses on microscope base 16, condensing lens 30, trim ring 29, condensing lens threaded pressure ring 28, knob 5 and transmission rig, the water spouting nozzle module comprise down protection microscope base 9, water spouting nozzle 10, down protective glass pressure ring 20, protect eyeglass 21 and water inlet pipe 11 down.Wherein go up joint flange 1, orienting lug 2, water-cooled seat 3, shell 6, bearing support 7, following joint flange 8, protect microscope base 9 to link to each other by screw successively down and with the pin location, form the inner hollow structure, water spouting nozzle 10 is threaded with protecting microscope base 9 down; One end and the orienting lug of last joint flange 1 are affixed; the other end links to each other with laser impact intensified system upper level module; on the inwall of last joint flange 1, be shaped on internal thread; and on stop portion is equipped with the protection eyeglass 13; it is fixing by the threaded pressure ring 12 that is threaded with last joint flange 1 to go up protection eyeglass 13, is sealed by sealing-ring 14 between threaded pressure ring 12 and the last protection eyeglass 13.The below of water spouting nozzle 10 is a processing plane.
As shown in Figure 3, an end of following protection microscope base 9 links to each other with bearing support 7 in the focusing module by joint flange 8 down, and the other end is equipped with down protection eyeglass 21 by protective glass pressure ring 20 down, and following protective glass pressure ring 20 and following the protection between the eyeglass 21 are provided with sealing-ring 14.Protect the other end of microscope base 9 to insert in the water spouting nozzle 10, be threaded with water spouting nozzle 10 down, locate by seam the junction, guarantees centering precision, and under protect and use sealing-ring 14 to seal between microscope base 9 and the water spouting nozzle 10.Forming water cavity at the inwall of water spouting nozzle 10 and under the other end of protection microscope base 9 reaches down between the protective glass pressure ring, is optical cavity on the following protection eyeglass 21, and water cavity and optical cavity are by protective glass pressure ring 20 and sealing-ring 14 are separated down.The sidewall of water spouting nozzle 10 is provided with water inlet pipe 11, and the bottom has outlet 22, and deionized water enters water cavity by water inlet pipe 11, spray along light beam from exporting 22 then, flow velocity and fluidised form can be regulated by regulating flooding velocity and pressure, guarantee that the water mobile is smooth and easy, do not have turbulent flow; By the water column 32 of outlet 22 ejections and the light shaft coaxle of light beam.
As shown in Figure 4, shell 6 and bearing support 7 connect into the housing of focusing module, rotation nut 15 is installed in rotation in the internal space that shell 6 and bearing support 7 connect into by needle bearing 19 for hollow structure, one end, and needle bearing 19 can guarantee to rotate the concentricity and the smooth and easy degree of nut 15; The other end of rotation nut 15 is provided with the water-cooled seat 3 that links to each other with shell 6, and the outside surface of water-cooled seat 3 is equipped with 1～4 separate water-cooled piece 4, and guaranteeing to strengthen head can process continuously.Focus on the inside that microscope base 16 is threaded in the rotation nut the other end, the lower end that focuses on microscope base 16 is provided with condensing lens 30, the below of condensing lens 30 is provided with trim ring 29, and condensing lens 30 and trim ring 29 are fixing by the condensing lens threaded pressure ring 28 that is threaded with focusing microscope base 16 lower ends; Between condensing lens 30 and focusing microscope base 16, be provided with sealing-ring 14.The upper end outside surface of condensing lens 30 is provided with orienting lug 2, all has keyway on orienting lug 2 and the focusing microscope base 16, is provided with restriction in the keyway and focuses on the flat key 31 that microscope base 16 rotates.In 15 rotations of rotation nut, focusing on microscope base 16 can be along orienting lug 2 oscilaltion, and orienting lug 2 can guarantee to rotate nut 15 right alignment when rotated.Knob 5 is positioned at the outside of shell 6, links to each other with rotation nut 15 by transmission rig, and makes 15 rotations of rotation nut.Transmission rig comprises first gear 17, female 18, second gear 23 of the gear back of the body, gear shaft 25, gear shaft block 24, spring 26 and spring pressuring plate 27, first gear 17 is fixed on the top that rotates on the nut 15, is positioned at needle bearing 19 by the screw thread pair and the gear back of the body female 18, have the hole on the sidewall of shell 6, gear shaft block 24 is fixed on the outside surface of shell 6, with the sealing of described hole, one end of gear shaft 25 is provided with knob 5, the other end is passed, is linked to each other with second gear 23 by gear shaft block 24, and second gear 23 is meshed with first gear 17.The gear shaft 25 and second gear 23 can be along radially the moving back and forth of shell 6, and second gear 23 is provided with spring pressuring plate 27, is provided with the spring 26 that gear shaft 25 is resetted between spring pressuring plate 27 and gear shaft block 24.
Principle of work of the present utility model is:
Shown in Fig. 2 and Fig. 5～7, deionized water enters water cavity by water inlet pipe 11, and is sprayed by the outlet of water spouting nozzle 10 bottoms; Laser beam is radiated on the condensing lens 30 through last protection eyeglass 13, and light beam is through after the focusing of condensing lens 30, segment beam by under protect eyeglass 21 to be mapped on the water column 32, then be limited in the zone of water column constraint through total reflection.When arts demand water column diameter in 0.5～1.5mm, water column length (distance of processing plane between the water spouting nozzle lower surface) when being 15～20mm, laser can be realized multiple reflection in water column, and then realizes equal and the control of spot size of light beam.For adapting to concrete technology, can be by regulating the condensing lens focal plane to the distance between the water spouting nozzle outlet, and then regulate suitable water column length, guarantee to process and to carry out in the best position of streamflow regime, be specially: along shell 6 radially inwardly promote knob 5 and gear shaft 25, make second gear 23 and 17 engagements of first gear; Turning knob 5 drives second gear 23 by gear shaft 25 and rotates, and then first gear, 17 driven rotary nuts 15 are rotated; Since the restriction of flat key 31, the focusing microscope base 16 that is threaded with rotation nut 15 oscilaltion in 15 rotations of rotation nut, and the focal plane of adjusting condensing lens 30 is to the distance between the outlet of water spouting nozzle 10.After choosing, the knob 5 and unclamping of stopping operating is by the elastic reset of spring 26.
The outlet of water spouting nozzle can be made different bores, to adapt to the needs of different process.
The utility model reduces existing water constraint layer by the co-axial mode of light water and applies the parameter fluctuation that mode causes, improves the stability and the handiness of processing.Simultaneously, utilize the total reflection of light beam when the water surface is injected air to realize the constraint and the shaping of laser beam.At last, utilize the binding effect of the kinetic energy reinforcement water constraint layer of water.Improve laser impact intensified effect by above-mentioned three aspects, reduce the difficulty that it implements automatization, batch production production.
Claims (10)
1. co-axial laser impact intensified head of light water, it is characterized in that: comprise water spouting nozzle module and focusing module, wherein an end of focusing module links to each other with laser impact intensified system upper level module, the other end of focusing module is connected with an end of water spouting nozzle module, and water column (32) is flowed out by the other end of water spouting nozzle module; Described focusing module comprises knob (5), shell (6), bearing support (7), rotation nut (15), focuses on microscope base (16) and condensing lens (30), shell (6) links to each other, forms the inner hollow structure with bearing support (7), rotation nut (15) is installed in rotation in the internal space that shell (6) and bearing support (7) connect into, described focusing microscope base (16) can move back and forth up and down to be connected in the rotation nut (15), is provided with condensing lens (30) on focusing microscope base (16); Described knob (5) be positioned at shell (6) the outside, by transmission rig with the rotation nut (15) link to each other; Described water spouting nozzle module comprises protection microscope base (9) down; water spouting nozzle (10); under protect eyeglass (21) and water inlet pipe (11); protect an end of microscope base (9) to link to each other down with bearing support (7) in the focusing module; the other end is provided with down protection eyeglass (21); water spouting nozzle (10) is threaded with protecting microscope base (9) down; inwall and following protection the at water spouting nozzle (10) form the water cavity of separating with optical cavity between microscope base (9) the other end; the sidewall of water spouting nozzle (10) is provided with water inlet pipe (11); the bottom has outlet (22), and is coaxial with light beam by the water column (32) of outlet (22) ejection.
2. by the co-axial laser impact intensified head of the described smooth water of claim 1, it is characterized in that: an end of described shell (6) is connected with water-cooled seat (3), orienting lug (2) in turn and goes up joint flange (1), the other end of shell (6) is connected with an end of bearing support (7), and the other end of bearing support (7) links to each other with the water spouting nozzle module; Described rotation nut (15) is that hollow structure, one end are installed in rotation in the bearing support (7) by bearing, and the inside of the other end is connected with the threaded one end that focuses on microscope base (16), focuses on the other end and orienting lug (2) butt of microscope base (16).
3. by the co-axial laser impact intensified head of the described smooth water of claim 2, it is characterized in that: the outside surface of described water-cooled seat (3) is provided with 1～4 water-cooled piece (4).
4. by the co-axial laser impact intensified head of the described smooth water of claim 2, it is characterized in that: all have keyway on described orienting lug (2) and the focusing microscope base (16), be provided with restriction in the keyway and focus on the flat key (31) that microscope base (16) rotates.
5. by the co-axial laser impact intensified head of the described smooth water of claim 2, it is characterized in that: described going up is provided with protection eyeglass (13) in the joint flange (1).
6. by the co-axial laser impact intensified head of the described smooth water of claim 1, it is characterized in that: described transmission rig comprises first gear (17), second gear (23), gear shaft (25) and gear shaft block (24), wherein gear shaft block (24) is installed on the shell (6), one end of gear shaft (25) is provided with knob (5), and the other end passes gear shaft block (24), is connected with second gear (23); Described first gear (17) is installed in rotation nut (15) and goes up, is meshed with second gear (23).
7. by the co-axial laser impact intensified head of the described smooth water of claim 6, it is characterized in that: described gear shaft (25) and second gear (23) radially move back and forth along shell (6), have the hole that moves through for second gear (23) on the sidewall of shell (6); Described second gear (23) is provided with spring pressuring plate (27), is provided with spring (26) between spring pressuring plate (27) and gear shaft block (24).
8. by the co-axial laser impact intensified head of the described smooth water of claim 1; it is characterized in that: described down protection eyeglass (21) is installed in down the other end of protection microscope base (9) by protective glass pressure ring (20) down, optical cavity and water cavity by under protective glass pressure ring (20) protect eyeglass (21) to separate under reaching.
9. by the co-axial laser impact intensified head of the described smooth water of claim 1, it is characterized in that: described protection microscope base (9) is down located by seam with the junction of water spouting nozzle (10).
10. by the co-axial laser impact intensified head of the described smooth water of claim 1, it is characterized in that: be respectively equipped with sealing-ring (14) between protection microscope base (9) and the water spouting nozzle (10) under reaching between described condensing lens (30) and the focusing microscope base (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206085176U CN201864747U (en) | 2010-11-16 | 2010-11-16 | Light and water coaxial laser impact enhancing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206085176U CN201864747U (en) | 2010-11-16 | 2010-11-16 | Light and water coaxial laser impact enhancing head |
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| Publication Number | Publication Date |
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| CN201864747U true CN201864747U (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206085176U Expired - Lifetime CN201864747U (en) | 2010-11-16 | 2010-11-16 | Light and water coaxial laser impact enhancing head |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102423875A (en) * | 2011-08-24 | 2012-04-25 | 上海交通大学 | Ultrahigh pressure water jetting sheet material progressive processing spray nozzle based on laser auxiliary heating and application thereof |
| CN102465195A (en) * | 2010-11-16 | 2012-05-23 | 杭州中科新松光电有限公司 | Light-water coaxial laser shock peening head |
| CN102505065A (en) * | 2011-11-22 | 2012-06-20 | 中国航空工业集团公司北京航空制造工程研究所 | Water/light coaxial device used for laser impact processing |
| CN102925646A (en) * | 2012-11-14 | 2013-02-13 | 江苏大学 | Method and device of shot peening for surface of metal component by means of light-water complex |
| WO2018120361A1 (en) * | 2016-12-30 | 2018-07-05 | 宁波大艾激光科技有限公司 | Follow-up-type device for laser shock peening treatment |
| CN108262563A (en) * | 2016-12-30 | 2018-07-10 | 宁波大艾激光科技有限公司 | A kind of laser impact intensified processing unit of trailing type and method |
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2010
- 2010-11-16 CN CN2010206085176U patent/CN201864747U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102465195A (en) * | 2010-11-16 | 2012-05-23 | 杭州中科新松光电有限公司 | Light-water coaxial laser shock peening head |
| CN102465195B (en) * | 2010-11-16 | 2013-07-10 | 杭州中科新松光电有限公司 | Light-water coaxial laser shock reinforcing head |
| CN102423875A (en) * | 2011-08-24 | 2012-04-25 | 上海交通大学 | Ultrahigh pressure water jetting sheet material progressive processing spray nozzle based on laser auxiliary heating and application thereof |
| CN102423875B (en) * | 2011-08-24 | 2013-11-06 | 上海交通大学 | Ultrahigh pressure water jetting sheet material progressive processing spray nozzle based on laser auxiliary heating and application thereof |
| CN102505065A (en) * | 2011-11-22 | 2012-06-20 | 中国航空工业集团公司北京航空制造工程研究所 | Water/light coaxial device used for laser impact processing |
| CN102925646A (en) * | 2012-11-14 | 2013-02-13 | 江苏大学 | Method and device of shot peening for surface of metal component by means of light-water complex |
| WO2018120361A1 (en) * | 2016-12-30 | 2018-07-05 | 宁波大艾激光科技有限公司 | Follow-up-type device for laser shock peening treatment |
| CN108262563A (en) * | 2016-12-30 | 2018-07-10 | 宁波大艾激光科技有限公司 | A kind of laser impact intensified processing unit of trailing type and method |
| CN108296639A (en) * | 2016-12-30 | 2018-07-20 | 宁波大艾激光科技有限公司 | A kind of laser impact intensified processing unit of trailing type |
| CN108262563B (en) * | 2016-12-30 | 2023-10-24 | 宁波大艾激光科技有限公司 | Follow-up laser shock peening device and method |
| CN108296639B (en) * | 2016-12-30 | 2023-10-24 | 宁波大艾激光科技有限公司 | Follow-up laser shock peening device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110615 Effective date of abandoning: 20130710 |
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| RGAV | Abandon patent right to avoid regrant |