CN105290399B - Powder feeding mechanism - Google Patents
Powder feeding mechanism Download PDFInfo
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- CN105290399B CN105290399B CN201410321701.5A CN201410321701A CN105290399B CN 105290399 B CN105290399 B CN 105290399B CN 201410321701 A CN201410321701 A CN 201410321701A CN 105290399 B CN105290399 B CN 105290399B
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- powder feeding
- inner ring
- feeding mechanism
- height adjusting
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Abstract
A kind of powder feeding mechanism, including the upper, middle, and lower part being sequentially connected, the upper part includes the link block being connected with laser head, middle part point include inner ring in the tune that is connected with the link block and with inner ring is connected in the tune height adjusting block, cooling bath is offered on the lateral wall of the height adjusting block, the lower part includes feeding head and powder feeding pipe.The feeding head is set in the height adjusting block by sealing ring.Spaced powder feeding passage and water-cooling channel are offered on the feeding head.The powder feeding pipe is arranged in the powder feeding passage.The water-cooling channel connects with the cooling bath, and the water-cooling channel and the cooling bath are located between the sealing ring, so that the cooling medium in the water-cooling channel is sealed in the water-cooling channel and the cooling bath.The powder feeding mechanism of the present invention, due to forming larger volume cavity between feeding head and height adjusting block, water-carrying capacity is bigger, and cooling effect is more preferable, can bear higher laser power.
Description
Technical field
The invention belongs to High-power Laser Processing Technology field, surface laser reparation, laser reinforcing for metal parts
With powder feeding formula 3D printing, more particularly to a kind of powder feeding mechanism for laser melting coating and 3D printing.
Background technology
Laser melting coating refers to place selected coating material warp on by cladding matrix surface with different adding material modes
Laser irradiation is allowed to and matrix surface a thin layer while melted, and formation dilution factor is extremely low after quickly solidifying, with matrix into metallurgy
With reference to face coat, significantly improve wear-resisting, anti-corrosion, heat-resisting, anti-oxidant and electrical characteristic the process of substrate surface, from
And reach the purpose that surface is modified or repairs, the requirement to material surface particular characteristic had both been met, had been saved again substantial amounts of expensive
Heavy element.
At present, mainly there are two kinds of forms in coaxial powder-feeding mechanism used by laser melting coating and 3D printing technique：Multichannel cellular type
Coaxial powder-feeding mechanism and conical ring formula coaxial powder-feeding mechanism, and synchronous powder feeding system formula 3D printing technique mainly uses multichannel coaxial powder-feeding machine
Structure.With the fast development of superpower laser technology, industrial laser power is improving constantly, and cladding matrix material also exists
Laser melting coating market is just being stepped into the high anti-material of laser to diversified development, particularly aluminium alloy and copper-based grade, this is to sending
The cooling performance of powder mouth proposes requirements at the higher level.
The content of the invention
In view of this, it is used for laser melting coating or the powder feeding mechanism of 3D printing the embodiment provides a kind of, with full
To the requirement of nozzle cooling performance when sufficient laser melting coating or 3D printing.
A kind of powder feeding mechanism, including the upper, middle, and lower part being sequentially connected, the upper part include what is be connected with laser head
Link block, middle part point include in the tune that is connected with the link block inner ring and with the height adjusting block that inner ring is connected in the tune,
Cooling bath is offered on the lateral wall of the height adjusting block, the lower part includes feeding head and powder feeding pipe, the feeding head sealing shroud
It is located in the height adjusting block, spaced powder feeding passage and water-cooling channel is offered on the feeding head, the powder feeding pipe is set
In the powder feeding passage, the water-cooling channel is connected with the cooling bath and sealed set, so that the cooling medium in the water-cooling channel
It is sealed in the water-cooling channel and the cooling bath.
Further, the height adjusting block can adjust and fixes in the axial direction with respect to the inwall of the adjustment inner ring, with adjustment
The height of powder convergent point, realize the adjustment of defocusing amount.
Further, the powder feeding mechanism also includes the coaxial gas inner ring that is connected with the link block, in the coaxial gas inner ring
Offer multiple stomatas for being connected with external inert gas source.
Further, hermetically it is connected with the link block in the coaxial gas inner ring.
Further, the plurality of stomata is uniformly to open up.
Further, the powder feeding mechanism also includes circular cone, the summit of the circular cone and the convergent point weight of the powder feeding passage
Close.
Further, the material of the circular cone is transparent acrylic.
Further, the powder feeding mechanism also includes the inner ring briquetting for being used for the inner ring in the axially position tune.
Further, the powder feeding mechanism also includes the tip jackscrew and bolt for being used for the inner ring in the radial positioning tune.
Further, the powder feeding passage is 4, and the extension line of 4 powder feeding passages is intersected on the axis of the feeding head,
And the relative axis is symmetrical set.
The powder feeding mechanism of the present invention, due to forming larger volume cavity, and tradition between feeding head and height adjusting block
The cooling duct formed by the hole of a circle connection compare, water-carrying capacity is bigger, and cooling effect is more preferable, can bear higher to swash
Luminous power.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in embodiments of the invention
The accompanying drawing used is briefly described.
Fig. 1 is the structural representation of four road powder feeding mechanisms of the invention.
Fig. 2 is the structural representation of link block in Fig. 1.
Fig. 3 is the structural representation of coaxial gas inner ring in Fig. 1.
Fig. 4 is the structural representation of height adjusting block in Fig. 1.
Fig. 5 is the structural representation of feeding head in Fig. 1.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is further described.The powder feeding mechanism of embodiment of the present invention can be used for laser melting coating or 3D printing, following examples with
Explanation is described for laser melting coating.
As shown in figure 1, the powder feeding mechanism for laser melting coating of the embodiment of the present invention is installed in laser head 1, powder feeding machine
Structure includes upper, middle, and lower part.Upper part include being used for the link block 4 that is connected with laser head 1 and with the screw thread of link block 4
The coaxial gas inner ring 3 of connection.Middle part point includes inner ring 5, inner ring briquetting 6, height adjusting block 7, tip jackscrew 12, bolt 13 in adjusting
Nut 14 in being adjusted with bulb, middle part is mainly used to carry out defocusing amount and light path, the adjustment of the axiality of mill diagram, after determining position
It is fixed with jackscrew and nut.Lower part includes feeding head 8, circular cone 9 and powder feeding pipe 11, and lower part major function is to be formed
The cooling circuit of one large volume.
Also referring to Fig. 2, link block 4 is substantially in hollow tubular, and its middle part forms optical channel, and link block 4 passes through
Multiple screws are connected with laser head 1.Link block 4 includes first connecting portion 41 and formed with extending from the end of first connecting portion 41
Second connecting portion 43.First connecting portion 41 is fixedly connected with laser 1, the inner side of first connecting portion 41 formed with step surface 411,
The accepting groove for housing sealing ring 20 is offered on step surface 411.First connecting portion 41 is also opened adjacent to the side of step surface 411
Provided with protection gas entrance 4112, protection gas entrance 4112 is used to be connected with the metal fast joint 2 of outside, and protection conductance is entered
Coaxial gas inner ring 3.Second connecting portion 43 includes side wall 431 and supports wall 433, and side wall 431 is from first connecting portion 41 away from laser
First 1 one end extends to be formed, and supports wall 433 and is formed from the radially inside extension of side wall 431.The middle part of side wall 431 symmetrically opens up
There are two fastener holes 4310.
Also referring to Fig. 3, coaxial 3 generally hollow tubulose of gas inner ring, it is bolted in the first connecting portion of link block 4
On 41.The end face 31 of coaxial gas inner ring 3 offers accommodating groove, and accommodating groove is corresponding with the accepting groove in first connecting portion 41 to be opened
If house sealing ring so as to which both are common.During assembling, the inwall of coaxial gas inner ring 3 and first connecting portion 41 is spirally connected, and its end face
31 support the step surface 411 of first connecting portion 41, sealing ring be housed in accommodating groove with accepting groove so that coaxial gas inner ring 3 with
First connecting portion 41 is tightly connected.Multiple stomatas 33 are opened up in coaxial gas inner ring 3, multiple stomatas 33 are distributed evenly and at intervals, can
So that the air-flow of the protection gas entered is more uniform.In use, protection gas enters from metal fast joint 2 and in coaxial gas inner ring
An inert gas shielding space is formed after being homogenized in 3 inner chamber before eyeglass (not shown) is protected, and in the logical of centre
Road forms a malleation, prevents the entrance of dust.In the present embodiment, stomata 33 is 16.It is appreciated that the quantity of stomata 33
It can change according to actual conditions.
The middle part of inner ring 5 forms light-path in tune, and its end face 51 offers the installing groove for installing sealing ring, end face 51
Support second connecting portion 43 supports wall 433.The lateral surface of inner ring 5 is also formed with flange 53 in tune, and inner ring briquetting 6 supports flange
53, with inner ring 5 in being adjusted in axially position.During assembling, inner ring 5 during radiai adjustment is adjusted, so as to adjust defocusing amount, light path, mill diagram
Axiality, determine behind position then inner ring 5 in radially fixed tune again.In the present embodiment, using tip jackscrew 12 and bolt 13 together
Inner ring 5 in radially fixed tune.
Also referring to Fig. 4, height adjusting block 7 is in hollow tubular, including connecting portion 71 and extending from connecting portion 71 is formed
Installation portion 73.One end of inner ring 5 during the insertion of connecting portion 71 is adjusted, and connecting portion 71 is offered for mounting O-shaped sealing ring slotted eye,
To be tightly connected with inner ring in tune 5, ensure air tight during regulation.Connecting portion 71 is also provided with four guide grooves in the axial direction
711, height adjusting block 7 can on the one hand will not arbitrarily rotate in circumferencial direction, in addition it is determined that tip can be used behind position
Jackscrew is fixed, and the operating process can only leave a trace in the bottom of guide groove 711, interior in not interfering with height adjusting block 7 and adjusting
The surface smoothness of the contact site of ring 5.Offered on the both ends of the lateral wall of installation portion 73 for the multiple of mounting O-shaped sealing ring
Slotted eye, to be tightly connected with feeding head 8.Cooling bath 731 is further opened with the middle part of the lateral wall of installation portion 73, is cooled down for housing
Water.Height adjusting block 7 can be slided up and down in tune on the inwall of inner ring 5, can be used when being adjusted to suitable position
Tip jackscrew is fixed, and to adjust the height of powder convergent point, realizes the adjustment of defocusing amount.
Please refer to fig. 5, feeding head 8 is generally conical shape, it is set on the installation portion 73 of height adjusting block 7.Feeding head 8
On offer the relative inclined four powder feeding passages 81 of its axis, and its relative axis four powder feeding passages 81 are in symmetrically setting
Put, i.e., the extension line of four powder feeding passages 81 is intersected on its axis.Water-cooling channel 83 is further opened with feeding head 8, water cooling is led to
Road 83 isolates with powder feeding passage 81, and with the UNICOM of cooling bath 731 of height adjusting block 7 so that cooling water is contained in cooling bath
In 731.Water-cooling channel 83 connects with outside rapid water joint 10.Powder feeding mechanism also includes powder feeding pipe 11, a pair of powder feeding pipe 11 1
It is inserted in powder feeding passage 81 with answering.For the diameter at adjustment powder convergence, the internal diameter of powder feeding pipe 11 can adjust.Such as, powder feeding pipe
11 can be external diameter be 5mm, the copper tube of internal diameter 4mm, 3mm, 2mm and 1mm 4 kinds of specifications.
Circular cone 9 is installed in the end of feeding head 8, convergent point (the i.e. powder convergent point) weight of its summit and powder feeding passage 81
Close.During laser melting coating, it is thus necessary to determine that whether the powder convergent point overlaps with the starting point of cladding, due to powder convergent point relative to
The position of feeding head 8 is constant (15mm or so), and the summit of circular cone 9 just overlaps with powder convergent point, when circular cone 9
Explainable powder convergent point and processing starting point overlap when summit and processing starting point contact.After position determines, by circular cone 9
Taking-up can carry out post laser processing.In the present embodiment, the material of circular cone 9 is transparent acrylic.It is appreciated that circular cone
9 can also use other transparent materials.
During assembling, corresponding O-ring seal is arranged on correspondence position, metal fast joint 2 and coaxial gas inner ring 3 are filled
Enter in link block 4.Inner ring in tune 5 is fitted into link block 4, exchanging middle inner ring 5 with inner ring briquetting 6 carries out precompressed, and adopts
Inner ring briquetting 6 is fixed in link block 4 with bolt 13.Height adjusting block 7 is by O-ring seal and is threadably mounted at powder feeding
A hollow cavity is formed in first 8 as cooling circuit.Powder feeding pipe 11 is loaded to the powder feeding passage 81 of feeding head 8 correspondingly
In, cooling water snap joint 10 is connected with water-cooling channel 83.Height adjusting block 7 is fitted into tune in inner ring 5, and uses four
Tip jackscrew 12 carries out pre-pressing, and then link block 4 is fixed on laser head 1.Nut 14 is adjusted in being adjusted by bulb
Feux rouges is guided, it is occupy the center of the light-emitting window of feeding head 8, nut 14 is locked in then adjusting bolt 13 and bulb.Will
Circular cone 9 is installed on road feeding head 8, release tip jackscrew 12, by tip top after regulation height adjusting block 7 to suitable position
Silk 12 is locked, and can be laser machined after taking out circular cone 9.
The powder feeding mechanism of the embodiment of the present invention at least has advantages below：
1. larger volume cavity is formed between feeding head 8 and height adjusting block 7, with traditional hole shape connected by a circle
Into cooling duct compare, water-carrying capacity is bigger, can bear higher laser power.In the present embodiment, feeding head 8 and height are adjusted
Larger volume cavity is formed between monoblock 7 can bear 5kg hydraulic pressure 60 minutes without seepage occurs.
2. in the case where laser head is motionless, it is big powder convergent point hot spot can be changed by adjusting height adjusting block 7
Small, zooming range is big, matches the powder feeding pipe 11 of dimension to realize the laser melting coating of different in width, meets that product diversification will
Ask.
, can be before eyeglass be protected while air inlet uniformity is made 3. coaxial gas inner ring 3 processes multiple stomatas 31
Inert gas shielding space is formed, all connecting portions are sealed using O-ring seal, and overall performance is good.
4., it is necessary to ensure that powder convergent point and processing starting point overlap before Laser Processing is started, the embodiment of the present invention
Circular cone summit and powder convergent point overlap, programming complete after take out, operate more intuitive and convenient.
Herein, term " comprising ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, are removed
Those listed key elements are included, but also the other element being not expressly set out can be included.
Herein, the involved noun of locality such as forward and backward, upper and lower is to be located at parts in accompanying drawing in figure and zero
The mutual position of part is intended merely to the clear of expression technology scheme and conveniently come what is defined.It should be appreciated that the noun of locality
Use should not limit the claimed scope of the application.
In the case where not conflicting, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (8)
1. a kind of powder feeding mechanism, including the upper, middle, and lower part being sequentially connected, it is characterised in that the upper part includes and laser
The link block of head connection, middle part point include inner ring in the tune that is connected with the link block and with inner ring is connected in the tune height
Adjustment block, middle part are mainly used to carry out defocusing amount and light path, the adjustment of the axiality of mill diagram；The lateral wall of the height adjusting block
On offer cooling bath, the lower part includes feeding head and powder feeding pipe, and feeding head sealing is set in the height adjusting block, and
Cavity is formed between feeding head and height adjusting block；Spaced powder feeding passage and water-cooling channel are offered on the feeding head,
The powder feeding pipe is arranged in the powder feeding passage, and the water-cooling channel is connected with the cooling bath and sealed set, so that the water-cooling channel
Interior cooling medium is sealed in the water-cooling channel and the cooling bath；
The height adjusting block can adjust and fixes in the axial direction with respect to the inwall of inner ring in the tune, to adjust the height of powder convergent point
Degree, realizes the adjustment of defocusing amount；
Guide groove is offered in the axial direction on the outer wall of the height adjusting block, to limit fortune of the height adjusting block in circumferencial direction
It is dynamic.
2. powder feeding mechanism as claimed in claim 1, it is characterised in that：The powder feeding mechanism also includes what is be connected with the link block
Coaxial gas inner ring, multiple stomatas for being connected with external inert gas source are offered in the coaxial gas inner ring.
3. powder feeding mechanism as claimed in claim 2, it is characterised in that：Hermetically connect with the link block in the coaxial gas inner ring
Connect.
4. powder feeding mechanism as claimed in claim 2, it is characterised in that：The plurality of stomata is uniformly to open up.
5. powder feeding mechanism as claimed in claim 1, it is characterised in that：The powder feeding mechanism also includes circular cone, the circular cone
Summit overlaps with the convergent point of the powder feeding passage.
6. powder feeding mechanism as claimed in claim 5, it is characterised in that：The material of the circular cone is transparent acrylic.
7. powder feeding mechanism as claimed in claim 1, it is characterised in that：The powder feeding mechanism also includes being used in the axially position tune
The inner ring briquetting of middle inner ring.
8. powder feeding mechanism as claimed in claim 1, it is characterised in that：The powder feeding passage is 4, and 4 powder feeding passages prolong
Stretch line to intersect on the axis of the feeding head, and the relative axis is symmetrical set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410321701.5A CN105290399B (en) | 2014-07-08 | 2014-07-08 | Powder feeding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410321701.5A CN105290399B (en) | 2014-07-08 | 2014-07-08 | Powder feeding mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105290399A CN105290399A (en) | 2016-02-03 |
| CN105290399B true CN105290399B (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410321701.5A Active CN105290399B (en) | 2014-07-08 | 2014-07-08 | Powder feeding mechanism |
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| CN105803451A (en) * | 2016-03-18 | 2016-07-27 | 山东能源重装集团大族再制造有限公司 | Powder feeding device and using method thereof |
| CN105665705A (en) * | 2016-03-18 | 2016-06-15 | 山东能源重装集团大族再制造有限公司 | Metal 3D printing device |
| CN105755464B (en) * | 2016-04-05 | 2018-04-06 | 南京先进激光技术研究院 | Double-deck gradient laser gain material manufacture method |
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| CN105798303B (en) * | 2016-06-01 | 2018-09-25 | 大族激光科技产业集团股份有限公司 | Annular powder feeding nozzle |
| CN107245715B (en) * | 2017-06-12 | 2019-08-20 | 中国矿业大学 | A kind of built-in sieve mesh type loop laser melting-painting nozzle |
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| CN110144584A (en) * | 2019-06-04 | 2019-08-20 | 沈阳中科煜宸科技有限公司 | A kind of coaxial three beams powder-feeding nozzle |
| CN111036900A (en) * | 2019-12-06 | 2020-04-21 | 西安铂力特增材技术股份有限公司 | Defocusing amount measurement control system and method for powder feeding type laser additive manufacturing equipment |
| CN111850547B (en) * | 2020-07-24 | 2024-04-12 | 西安建筑科技大学 | Multi-shaft ultra-high-speed laser cladding spray head |
| CN112064016B (en) * | 2020-09-22 | 2022-11-15 | 安徽中科春谷激光产业技术研究院有限公司 | Laser cladding gas protection device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101158040A (en) * | 2007-11-09 | 2008-04-09 | 燕山大学 | Coaxial powder feeding apparatus |
| CN101176947A (en) * | 2006-11-09 | 2008-05-14 | 深圳市大族激光科技股份有限公司 | Laser cutting machine tool and cutting head for laser cutting machine tool |
| CN101368269A (en) * | 2007-08-16 | 2009-02-18 | 沈阳大陆激光成套设备有限公司 | Reflection high-power laser cladding coaxial powder feeding head |
| CN201236210Y (en) * | 2008-08-06 | 2009-05-13 | 沈阳新松机器人自动化股份有限公司 | Three-dimensional coaxial laser powder-transmitting head |
| CN202272950U (en) * | 2011-10-12 | 2012-06-13 | 燕山大学 | Laser-cladding coaxial double-path powder feeding device |
| CN103526199A (en) * | 2013-09-25 | 2014-01-22 | 中国科学院半导体研究所 | Paraxial powder-feeding working head for laser powder processing |
| DE102012107297A1 (en) * | 2012-08-08 | 2014-06-18 | Ralph Stelzer | Working method for producing three-dimensional workpiece under e.g. normal atmosphere, involves fully hardening applied layers of powdered materials at laser beam incidence on workpiece surface after introducing liquid or binding agent |
-
2014
- 2014-07-08 CN CN201410321701.5A patent/CN105290399B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101176947A (en) * | 2006-11-09 | 2008-05-14 | 深圳市大族激光科技股份有限公司 | Laser cutting machine tool and cutting head for laser cutting machine tool |
| CN101368269A (en) * | 2007-08-16 | 2009-02-18 | 沈阳大陆激光成套设备有限公司 | Reflection high-power laser cladding coaxial powder feeding head |
| CN101158040A (en) * | 2007-11-09 | 2008-04-09 | 燕山大学 | Coaxial powder feeding apparatus |
| CN201236210Y (en) * | 2008-08-06 | 2009-05-13 | 沈阳新松机器人自动化股份有限公司 | Three-dimensional coaxial laser powder-transmitting head |
| CN202272950U (en) * | 2011-10-12 | 2012-06-13 | 燕山大学 | Laser-cladding coaxial double-path powder feeding device |
| DE102012107297A1 (en) * | 2012-08-08 | 2014-06-18 | Ralph Stelzer | Working method for producing three-dimensional workpiece under e.g. normal atmosphere, involves fully hardening applied layers of powdered materials at laser beam incidence on workpiece surface after introducing liquid or binding agent |
| CN103526199A (en) * | 2013-09-25 | 2014-01-22 | 中国科学院半导体研究所 | Paraxial powder-feeding working head for laser powder processing |
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