CN105839101B - A kind of stacked broadband powder-feeding nozzle with double sided rectification gas - Google Patents
A kind of stacked broadband powder-feeding nozzle with double sided rectification gas Download PDFInfo
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- CN105839101B CN105839101B CN201610322783.4A CN201610322783A CN105839101B CN 105839101 B CN105839101 B CN 105839101B CN 201610322783 A CN201610322783 A CN 201610322783A CN 105839101 B CN105839101 B CN 105839101B
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- rectification
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Laser Beam Processing (AREA)
Abstract
A kind of stacked broadband powder-feeding nozzle with double sided rectification gas, top plate entrance are inclined upwardly extension, and top plate entrance is equipped with upper rectification vent hole, powder through hole and lower rectification vent hole；First groove and the upper lamination of lower section enclose rectification flow channel, and one end of upper rectification flow channel is connected with upper rectification vent hole, and the other end extends to the nozzle body port of export and forms upper rectification gas outlet；Upper lamination and lower lamination enclose powder flow channel with middle straight slot, and one end of powder flow channel is connected with powder through hole, and the other end extends to the nozzle body port of export and forms dust outlet；Second groove and the lower lamination of top enclose lower rectification flow channel, and one end of lower rectification flow channel is connected with lower rectification vent hole, and the other end extends to the nozzle body port of export and forms lower rectification gas outlet；And upper rectification gas outlet, the outlet of lower rectification gas are located above and below dust outlet respectively.
Description
Technical field
The present invention relates to a kind of nozzle, more particularly to a kind of stacked broadband powder-feeding nozzle with double sided rectification gas.
Background technology
In order to reduce the diverging of the powder of powder-feeding nozzle, powder using efficiency is improved, is often in addition added in powder feeding outlet periphery whole
Gas, can do up output powder collimation, reduce the effect of powder diverging, it can in addition contain prevent molten bath oxygen to a certain degree
Change.
The other addition rectification device of air outside nozzle, because not being integrated design with nozzle, powder beam collimating effect is poor；Such as
Fruit is using complicated nozzle arrangements design, there are processing difficulties, it is of high cost the shortcomings of.Meanwhile common wide powder-feeding nozzle exports
Powder beam width cannot generally change, it is necessary to the spray of spare a variety of corresponding models when in face of different laser spot size sizes
Mouth, this can undoubtedly increase financial cost, while can also influence the flexibility used, be largely affected by the matter of laser melting coating
Amount and efficiency, limit the popularization and application of laser wide-band cladding technology.
The content of the invention
In order to overcome the problems referred above, the present invention provides a kind of stacked broadband powder-feeding nozzle with double sided rectification gas.
The technical scheme is that：
A kind of stacked broadband powder-feeding nozzle with double sided rectification gas, including nozzle body, the nozzle body include from
Top to bottm folds top plate, upper lamination, middle lamination, lower lamination and the bottom plate for setting and interfixing successively, and top plate entrance is inclined upwardly
Extension, and bottom plate entrance is engaged with top plate entrance, top plate entrance equipped with upper rectification vent hole, powder through hole and under
Rectification vent hole, and upper rectification vent hole, powder through hole and lower rectification vent hole are obliquely installed；
The bottom surface of the top plate is provided with the first groove, and the upper lamination of first groove and lower section encloses rectification air-flow
Road, one end of the upper rectification flow channel are connected with upper rectification vent hole, and the other end extends to the nozzle body port of export and forms
Rectification gas exports；
Straight slot, upper lamination and lower lamination are provided with the middle lamination and encloses powder flow channel with the middle straight slot, institute
The one end for stating powder flow channel is connected with powder through hole, and the other end extends to the nozzle body port of export and forms dust outlet；
The top surface of the bottom plate is provided with the second groove, and the lower lamination of second groove and top encloses lower rectification air-flow
Road, one end of the lower rectification flow channel are connected with lower rectification vent hole, and the other end is extended under nozzle body port of export composition
Rectification gas exports；
And upper rectification gas outlet, the outlet of lower rectification gas are located above and below dust outlet respectively.
Further, upper rectification gas outlet, the outlet of lower rectification gas are respectively positioned at the surface and underface of dust outlet.
Further, the upper rectification vent hole, powder through hole and lower rectification vent hole press one on top plate entrance end face
Font arranges.
Further, the upper lamination is equipped with the first through hole to connect with powder through hole and is mutually passed through with lower rectification vent hole
The third through-hole and four-way to connect with second through hole is equipped with the second logical through hole, the middle lamination and lower lamination
Hole；The powder flow channel is connected by first through hole with powder through hole；The lower rectification flow channel by be aligned up and down second
Through hole, third through-hole and fourth hole are connected with lower rectification vent hole.
Further, top plate, upper lamination, middle lamination, lower lamination and bottom plate are fastened by screw.
Further, cooling water flow conduits are equipped with the bottom plate.
Further, the both sides of the bottom plate are equipped with the hole position for being used to mutually fix with fixture.
The beneficial effects of the invention are as follows：
(1) powder at dust outlet is acted on be subject to rectification gas, and diverging reduces, and powder using efficiency effectively improves；Meanwhile
Rectification gas can form atmosphere protection around molten bath, improve cladding quality.
(2) lamination, middle lamination and lower lamination use thin slice on so that the configuration of the present invention is simple, compact, assembling side
Just；And sheet thickness very little so that upper rectification gas outlet and lower rectification gas export, upper rectification close with the distance of dust outlet
Gas and lower rectification gas can play powder rectification collimating effect.
(3) lamination, middle lamination and lower lamination function simultaneously as gasket on, simplify overall structure.
(4) the middle lamination of straight slot of the replacement with different sizes (width) is passed through, you can the size of powder flow channel is adjusted, can
It is satisfied with the demand of different sized laser hot spots, and replaces conveniently, there is convenient, economic and practical effect.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the Structure explosion diagram of the present invention.
Fig. 3 is top plate top view.
Fig. 4 is top plate side view.
Fig. 5 is top plate left view.
Fig. 6 is upper lamination top view.
Fig. 7 is middle lamination top view.
Fig. 8 is lower lamination top view.
Fig. 9 is bottom plate front view.
Figure 10 is bottom plate top view.
Figure 11 is bottom plate right view.
Embodiment
As shown in Figure 1, left end is the port of export of nozzle body, right end is the arrival end of nozzle body, and defines nozzle sheet
Body is nozzle body outlet section close to one section of the port of export, and nozzle body is nozzle body entrance close to one section of arrival end,
Similarly, top plate 1 is top plate outlet section close to one section of the port of export, and top plate 1 is top plate entrance 11 close to one section of arrival end, bottom
Plate 5 is bottom plate outlet section close to one section of the port of export, and bottom plate 5 is top plate entrance 51 close to one section of arrival end.
Referring to the drawings, a kind of stacked broadband powder-feeding nozzle with double sided rectification gas, including nozzle body, the nozzle sheet
Body includes folding top plate 1, upper lamination 2, middle lamination 3, lower lamination 4 and the bottom plate 5 for setting and interfixing successively from top to bottom, and top plate enters
Mouthful section 11 is inclined upwardly extension, and bottom plate entrance 51 is engaged with top plate entrance 11, i.e., bottom plate entrance 51 enters with top plate
The contact surface of mouthful section 11 closely fits, and plays sealing function so that top plate entrance 11 be equipped with upper rectification vent hole 112,
Powder through hole 111 and lower rectification vent hole 113, and upper rectification vent hole 112, powder through hole 111 and lower rectification vent hole 113 are equal
It is obliquely installed, with the discharge area of increase protection vent hole, powder through hole and lower protection vent hole.
The bottom surface of the top plate 1 is provided with the first groove 12, and the upper lamination 2 of first groove 12 and lower section encloses upper whole
Gas runner, one end of the upper rectification flow channel are connected with upper rectification vent hole 112, and the other end extends to nozzle body outlet
End forms upper rectification gas outlet；
Straight slot 31, upper lamination 2 and lower lamination 4 are provided with the middle lamination 3 and encloses powder with the middle straight slot 31
Runner, one end of the powder flow channel are connected with powder through hole 111, and the other end extends to 1 port of export of nozzle body and forms powder
Outlet；
The top surface of the bottom plate 5 is provided with the second groove 54, and the lower lamination 4 of second groove 54 and top encloses down whole
Gas runner, one end of the lower rectification flow channel are connected with lower rectification vent hole 113, and the other end extends to nozzle body outlet
End forms lower rectification gas outlet；
And upper rectification gas outlet, the outlet of lower rectification gas are located above and below dust outlet respectively.
Further, upper rectification gas outlet, the outlet of lower rectification gas are respectively positioned at the surface and underface of dust outlet.
Further, the upper rectification vent hole 112, powder through hole 111 and lower rectification vent hole 113 are in top plate entrance 11
Arranged on end face by linear type.
Further, the upper lamination 2 is equipped with the first through hole 21 to connect with powder through hole 111 and leads to lower rectification gas
The second through hole 22 that hole 113 connects, is equipped with what is connected with second through hole 22 on the middle lamination 3 and lower lamination 4
Third through-hole 32 and fourth hole 41；The powder flow channel is connected by first through hole 21 with powder through hole 111；The lower rectification
Flow channel is connected by the second through hole 22, third through-hole 32 and the fourth hole 41 being aligned up and down with lower rectification vent hole 113.Its
In, the outlet of the upper rectification vent hole 112 is passed directly into rectification flow channel.
Further, top plate 1, upper lamination 2, middle lamination 3, lower lamination 4 and bottom plate 5 are fastened by screw 6.
Further, cooling water flow conduits 53 are equipped with the bottom plate 5, nozzle body is outside laser zone, cooling water flow conduits 43
Circulation is connect, to be cooled down to nozzle body.
Further, the both sides of the bottom plate 5 are equipped with the hole position 52 for being used to mutually fix with fixture, since nozzle body needs admittedly
It is scheduled on fixture and uses, so sets fixing hole position 52.
The present invention action principle be：
Rectification is each led into the inlet of upper rectification vent hole 112, powder through hole 111 and lower rectification vent hole 113
Gas, powder and lower rectification gas, upper rectification gas, powder and lower rectification qi leel be not through upper rectification flow channel, powder flow channel and lower rectification
Flow channel is conveyed to the port of export of nozzle body so that powder is acted at dust outlet be subject to upper and lower, rectification gas, and diverging subtracts
Small, powder using efficiency effectively improves；Meanwhile rectification gas can form atmosphere protection around molten bath, cladding quality is improved.
And since upper lamination 2, middle lamination 3, lower lamination 4 use thin slice so that nozzle body is simple in structure, compact,
It is easy to assembly；And sheet thickness very little so that the upper outlet of rectification gas and the outlet of lower rectification gas are close with the distance of dust outlet,
Upper rectification gas and lower rectification gas can also play powder rectification collimating effect.
In addition, upper lamination 2, middle lamination 3, lower lamination 4 function simultaneously as gasket, structure is simplified.
By the middle lamination 3 for replacing the straight slot with different sizes (width), thus it is possible to vary the size of powder flow channel, with suitable
The demand of different sized laser hot spots is answered, the size of powder flow channel not only adjusts, and only needs replacing middle lamination 3, tool
There is the characteristics of convenience, economic and practical.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Scope is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also includes art technology
Personnel conceive according to the present invention it is conceivable that equivalent technologies mean.
Claims (7)
- A kind of 1. stacked broadband powder-feeding nozzle with double sided rectification gas, it is characterised in that：Including nozzle body, the nozzle sheet Body includes folding top plate, upper lamination, middle lamination, lower lamination and the bottom plate for setting and interfixing, top plate entrance successively from top to bottom Be inclined upwardly extension, and bottom plate entrance is engaged with top plate entrance, and top plate entrance is equipped with upper rectification vent hole, powder Through hole and lower rectification vent hole, and upper rectification vent hole, powder through hole and lower rectification vent hole are obliquely installed；The bottom surface of the top plate is provided with the first groove, and the upper lamination of first groove and lower section encloses rectification flow channel, One end of the upper rectification flow channel is connected with upper rectification vent hole, and the other end extends to the nozzle body port of export and forms upper rectification Gas exports；Straight slot, upper lamination and lower lamination are provided with the middle lamination and encloses powder flow channel, the powder with the middle straight slot The one end in later and decadent stage of a school of thought road is connected with powder through hole, and the other end extends to the nozzle body port of export and forms dust outlet；The top surface of the bottom plate is provided with the second groove, and the lower lamination of second groove and top encloses lower rectification flow channel, One end of the lower rectification flow channel is connected with lower rectification vent hole, and the other end extends to the nozzle body port of export and forms lower rectification Gas exports；And upper rectification gas outlet, the outlet of lower rectification gas are located above and below dust outlet respectively.
- A kind of 2. stacked broadband powder-feeding nozzle with double sided rectification gas as claimed in claim 1, it is characterised in that：Upper rectification Gas outlet, the outlet of lower rectification gas are located at the surface and underface of dust outlet respectively.
- A kind of 3. stacked broadband powder-feeding nozzle with double sided rectification gas as claimed in claim 2, it is characterised in that：On described Rectification vent hole, powder through hole and lower rectification vent hole are arranged on top plate entrance end face by linear type.
- A kind of 4. stacked broadband powder-feeding nozzle with double sided rectification gas as claimed in claim 3, it is characterised in that：On described Lamination is equipped with the first through hole to connect with powder through hole and the second through hole to connect with lower rectification vent hole, is folded in described The third through-hole and fourth hole to connect with second through hole is equipped with piece and lower lamination；The powder flow channel passes through One through hole is connected with powder through hole；The lower rectification flow channel passes through the second through hole, third through-hole and the four-way that are aligned up and down Hole is connected with lower rectification vent hole.
- A kind of 5. stacked broadband powder-feeding nozzle with double sided rectification gas as claimed in claim 4, it is characterised in that：Top plate, Upper lamination, middle lamination, lower lamination and bottom plate are fastened by screw.
- A kind of 6. stacked broadband powder-feeding nozzle with double sided rectification gas as claimed in claim 5, it is characterised in that：The bottom Cooling water flow conduits are equipped with plate.
- A kind of 7. stacked broadband powder-feeding nozzle with double sided rectification gas as claimed in claim 6, it is characterised in that：The bottom The both sides of plate are equipped with the hole position for being used to mutually fix with fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610322783.4A CN105839101B (en) | 2016-05-16 | 2016-05-16 | A kind of stacked broadband powder-feeding nozzle with double sided rectification gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610322783.4A CN105839101B (en) | 2016-05-16 | 2016-05-16 | A kind of stacked broadband powder-feeding nozzle with double sided rectification gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105839101A CN105839101A (en) | 2016-08-10 |
| CN105839101B true CN105839101B (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610322783.4A Active CN105839101B (en) | 2016-05-16 | 2016-05-16 | A kind of stacked broadband powder-feeding nozzle with double sided rectification gas |
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| CN (1) | CN105839101B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115287650B (en) * | 2022-08-09 | 2023-06-30 | 南京辉锐光电科技有限公司 | Paraxial broadband powder feeding cladding nozzle and laser cladding equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5321228A (en) * | 1991-06-24 | 1994-06-14 | Andreas Krause | Nozzle for the surface treatment of metal workpieces |
| CN2838760Y (en) * | 2005-09-23 | 2006-11-22 | 北京工业大学 | Side powder supplying nozzle for high-power laser wideband coating |
| CN201823642U (en) * | 2010-08-17 | 2011-05-11 | 华东理工大学 | Laser cladding coaxial powder delivery nozzle comprising guide protective air flow |
| CN103205748A (en) * | 2013-04-22 | 2013-07-17 | 杭州东通激光科技有限公司 | Wideband nozzle capable of uniformly feeding powder in laser processing |
| CN204198853U (en) * | 2014-11-11 | 2015-03-11 | 晋中开发区圣邦液压器件有限公司 | Combined laser cladding powder-feeding head |
| CN205152336U (en) * | 2015-11-19 | 2016-04-13 | 浙江巨化装备制造有限公司 | Whitewashed nozzle is sent to laser cladding broadband side direction |
| CN205741215U (en) * | 2016-05-16 | 2016-11-30 | 浙江工业大学 | A kind of stacked broadband powder-feeding nozzle of band double sided rectification gas |
-
2016
- 2016-05-16 CN CN201610322783.4A patent/CN105839101B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5321228A (en) * | 1991-06-24 | 1994-06-14 | Andreas Krause | Nozzle for the surface treatment of metal workpieces |
| CN2838760Y (en) * | 2005-09-23 | 2006-11-22 | 北京工业大学 | Side powder supplying nozzle for high-power laser wideband coating |
| CN201823642U (en) * | 2010-08-17 | 2011-05-11 | 华东理工大学 | Laser cladding coaxial powder delivery nozzle comprising guide protective air flow |
| CN103205748A (en) * | 2013-04-22 | 2013-07-17 | 杭州东通激光科技有限公司 | Wideband nozzle capable of uniformly feeding powder in laser processing |
| CN204198853U (en) * | 2014-11-11 | 2015-03-11 | 晋中开发区圣邦液压器件有限公司 | Combined laser cladding powder-feeding head |
| CN205152336U (en) * | 2015-11-19 | 2016-04-13 | 浙江巨化装备制造有限公司 | Whitewashed nozzle is sent to laser cladding broadband side direction |
| CN205741215U (en) * | 2016-05-16 | 2016-11-30 | 浙江工业大学 | A kind of stacked broadband powder-feeding nozzle of band double sided rectification gas |
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| Publication number | Publication date |
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| CN105839101A (en) | 2016-08-10 |
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Address after: 310014 No. 18 Chao Wang Road, Xiacheng District, Zhejiang, Hangzhou Patentee after: JIANG University OF TECHNOLOGY Patentee after: Hangzhou Turbine Power Group Co.,Ltd. Address before: 310014 No. 18 Chao Wang Road, Xiacheng District, Zhejiang, Hangzhou Patentee before: JIANG University OF TECHNOLOGY Patentee before: HANGZHOU STEAM TURBINE Co.,Ltd. |
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