CN109402372A - A kind of quick coating unit of absorption protective layer and method based on 3D printing technique - Google Patents
A kind of quick coating unit of absorption protective layer and method based on 3D printing technique Download PDFInfo
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- CN109402372A CN109402372A CN201810997040.6A CN201810997040A CN109402372A CN 109402372 A CN109402372 A CN 109402372A CN 201810997040 A CN201810997040 A CN 201810997040A CN 109402372 A CN109402372 A CN 109402372A
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- China
- Prior art keywords
- protective layer
- printing head
- control system
- raw material
- coating unit
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
- C21D10/005—Modifying the physical properties by methods other than heat treatment or deformation by laser shock processing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/24—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means incorporating means for heating the liquid or other fluent material, e.g. electrically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/227—Driving means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
Abstract
The present invention relates to laser impact intensified and 3D printing technique fields; in particular a kind of quick coating unit of absorption protective layer and method based on 3D printing technique; including absorbing protective layer raw material silk, wire feeder, wire feed pipeline, 3D printing head, robot arm, complex control system, wherein equipped with structures such as heating rod, thermocouple, extruder, flat spray heads inside 3D printing head.Raw material silk is sent by wire feeder, wire feed channel to 3D printing head；3D printing head then melts raw material silk by heating rod, monitors heating temperature using thermocouple, then absorb protective layer by extruder and the coating of flat spray head；3D printing head is fixed on robot arm, realizes that component (position) to be processed absorbs the quick coating of protective layer by control motion profile；Coating material solidifies to form absorption protection layer film, and film can directly can tear after laser impact intensified processing, realizes high-efficiency cleaning removal.Whole device and Method And Principle structure is simple, easy to operate, controllable precise, high degree of automation, versatile.
Description
Technical field
The present invention relates to laser impact intensified and 3D printing technique field, specially a kind of absorption based on 3D printing technique
The quick coating unit of protective layer and method.
Background technique
Reiforcing laser impact technology (Laser Shock Processing, LSP) is to utilize high power density (> GW/
cm2) nanosecond pulse exposed material surface, the absorption protective layer absorption laser energy generation explosive vaporization steaming of material surface coating
Hair forms high temperature (10000 DEG C of >) plasma, and plasma continues absorption laser energy and sharply expands, in the constraint of water flow
Effect forms down high pressure (> GPa) shock wave propagated to material internal, and acutely modeling occurs under high-pressure shocking wave effect for material
Property deformation, formed residual stress, change heterogeneous microstructure, to improve the fatigue behaviour of material, abrasion and stress corrosion etc.
Performance.
It absorbs protective layer and generally uses the materials such as black tape, aluminium foil, can prevent laser from directly irradiating ablation portion to be processed
Part；More importantly its laser energy absorption rate is high, can be plasma stock wave kinetic energy by laser energy Efficient Conversion, from
And it is obviously improved strengthening effect.So absorbing protective layer coating is laser impact intensified indispensable pretreatment process, matter is coated
Amount is even more to influence one of strengthening effect and the key factor of efficiency.
Currently, absorbing protective layer generally pastes the complexities such as mode, especially aero-engine's overall blade using artificial
It is big to paste low efficiency, quality uncertainty for face component；The automatic application system of absorption protective layer of LSPT company, U.S. invention
Rapid Coater (TM), pitch-dark cleaning is more difficult in such a way that spraying is pitch-dark, but after intensive treatment, therefore, for upper
The problem of stating proposes a kind of quick coating unit of absorption protective layer and method based on 3D printing technique.
Summary of the invention
The purpose of the present invention is to provide a kind of quick coating unit of absorption protective layer and method based on 3D printing technique,
Advanced 3D printing device, wu-zhi-shan pig arm and complex control system are combined together, realize that complex component (position) is inhaled
The quick coating and removal of protective layer are received, it is quick, efficient, pollution-free, laser impact intensified treatment effeciency is significantly improved, to solve
The problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme:
A kind of quick coating unit of absorption protective layer and method based on 3D printing technique, including quick coating unit and base
In the method for quick coating unit, the quick coating unit includes absorbing protective layer raw material silk, wire feeder, wire-feeding pipe
Road, 3D printing head, heating rod, thermocouple, extruder, flat spray head, robot arm, complex control system, control bus.
Preferably, wire feed pipeline one end is provided with wire feeder, and the wire feed pipeline other end is provided with 3D printing
Head is provided with thermocouple on the 3D printing head, and heating rod, setting inside the 3D printing head are provided between the thermocouple
There is extruder, 3D printing head bottom end is provided with flat spray head, absorption protective layer raw material silk the sending from wire feed pipeline
Silk mechanism enters, and by extruder after wire feed pipeline, finally squeezes out from flat spray head, the robot arm is fixed on
On bottom plate, it is fixedly connected at the top of the robot arm with 3D printing head, the complex control system is fixed on bottom plate,
The complex control system is electrically connected by control bus and wire feeder, electroheat pair and robot arm.
Preferably, the method detailed process based on quick coating unit the following steps are included:
1) protective layer raw material silk will be absorbed and is packed into wire feeder, wire feeder is started by complex control system, it will be former
Material is sent by wire feed pipeline to 3D printing head；
2) according to protective layer raw material silk melt temperature is absorbed, 3D printing head heating device is set by complex control system
Target temperature, and pass through thermocouple feedback stability control problem；
3) print command is sent by complex control system, controls extruder and wire feeder in 3D printing head and cooperates with work
Make, absorb by flat spray head the uniform coating of protective layer；
4) 3D printing head is mounted on wu-zhi-shan pig arm, according to the three-dimensional to laser impact intensified processing component position
Size sets robot trajectory in complex control system, realizes that component position to be processed absorbs the quick coating of protective layer；
5) coating material solidifies to form absorption protection layer film, after laser impact intensified processing directly from component (position)
It directly tears, realizes that rapid cleaning efficiently removes.
Compared with prior art, the beneficial effects of the present invention are: by advanced 3D printing device, wu-zhi-shan pig arm and
Complex control system is combined together, and whole device structure is simple, integrated level is high, control precision is high, operation difficulty is small.3D printing
Device is fixed on robot arm, then sets robot arm motion profile, it can be achieved that complex component by complex control system
The quick coating of (position) absorption protective layer；Absorbing protective layer is to melt the heating of raw material silk by 3D printing head, coat then
Cooled and solidified and form film, entire coating procedure quickly, it is accurate, uniformly, film removal process is simple and convenient.
Detailed description of the invention
Fig. 1 is the device of the invention overall structure diagram；
Fig. 2 is process flow schematic diagram of the invention.
In figure: 1 be absorb protective layer raw material silk, 2 be wire feeder, 3 be wire feed channel, 4 be 3D printing head, 5 for plus
Hot pin, 6 be thermocouple, 7 be extruder, 8 be flat spray head, 9 be robot arm, 10 be complex control system, 11 be control
It is that layer film is protected in the absorption that automatic coating is formed that bus, 12, which are to laser impact intensified processing component, 13,.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2:
A kind of quick coating unit of absorption protective layer and method based on 3D printing technique, wherein be based on 3D printing technique
The quick coating unit of absorption protective layer include absorb protective layer raw material silk 1, wire feeder 2, wire feed pipeline 3,3D printing head
4, robot arm 9, complex control system 10, wherein equipped with heating rod 5, thermocouple 6, extruder 7, flat inside 3D printing head 4
The structures such as flat spray head 8.
Raw material silk 1 is inserted into wire feeder 2 by 3 entrance of wire feed pipeline, is main wire feed pipeline 3 after wire feeder 2, directly
It is connected to 3D printing head 4, and 3D printing head 4 is fixed on wu-zhi-shan pig arm 9.Wire feeder 2,3D printing head 4 and five axis
Robot arm 9 is connected to complex control system 10 by control bus 11 respectively, realizes complex control system to entire coating
The sequencing of device accurately controls.
Specific work process of the invention are as follows:
1) protective layer raw material silk 1 will be absorbed to be inserted into wire feeder 2, wire feed is executed in complex control system 10 and is appointed
Business, the work of control wire feeder 2 send raw material silk 1 to 3D printing head 4 by wire feed pipeline 3；
2) 4 heating temperature of 3D printing head is set in complex control system 10 and executes coating instruction, passes through heating respectively
Stick 5 and thermocouple 6 carry out heating and monitoring temperature, realize that the heating to raw material silk is melted, then pass through extruder 7 and flat spray
First 8 are coated；
3) according to 12 three-dimensional dimension of component to be processed (position), wu-zhi-shan pig arm 9 is set in complex control system 10
Motion profile realizes that component to be processed (position) 12 absorbs the automatic quick coating of protective layer, is formed and absorb protective film 13.
4) after laser impact intensified processing, the absorption protective film 13 that coating material cooled and solidified is formed can directly tear.
The present invention will absorb the heating of protective layer raw material silk 1 by 3D printing head 4 and be fused into viscous liquid, then by flat
Spray head 8, which can be realized, absorbs the fast automatic coating of protective layer, is formed after coating viscous liquid solidification and absorbs protective film 13, entire to apply
Cover that process is simple and quick, controllable precise；3D printing head 4 is fixed on wu-zhi-shan pig arm 9, it is three-dimensional according to component (position) 12
Size sets 9 space motion path of arm in complex control system 10, it can be achieved that complex component (position) 12 absorbs protective layer
Fast automatic coating；The absorption protective film 13 formed by coating, can integrally tear after laser impact intensified processing, realize
High-efficiency cleaning removal.The present invention can be achieved complex profile component (position) 12 and absorb protective layer quickly coating and removal automatically, entirely
Principle of device structure is simple, easy to operate, controllable precise, high degree of automation, versatile, can be used for general component and complexity portion
The laser impact intensified process of part has good odds for effectiveness especially on laser impact intensified production line.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (3)
1. a kind of quick coating unit of absorption protective layer and method based on 3D printing technique, including quick coating unit and it is based on
The method of quick coating unit, it is characterised in that: the quick coating unit includes absorbing protective layer raw material silk (1), wire feed
Mechanism (2), wire feed pipeline (3), 3D printing head (4), heating rod (5), thermocouple (6), extruder (7), flat spray head (8), machine
Device human arm (9), complex control system (10), control bus (11).
2. a kind of quick coating unit of absorption protective layer based on 3D printing technique according to claim 1, feature exist
In: described wire feed pipeline (3) one end is provided with wire feeder (2), and wire feed pipeline (3) other end is provided with 3D printing head
(4), it is provided with thermocouple (6) on the 3D printing head (4), is provided with heating rod (5), the 3D between the thermocouple (6)
Print head (4) is internally provided with extruder (7), and 3D printing head (4) bottom end is provided with flat spray head (8), and the absorption is protected
Sheath raw material silk (1) enters from the wire feeder (2) of wire feed pipeline (3), laggard excessively extruder (7) across wire feed pipeline (3),
Finally squeezed out at flat spray head (8), the robot arm (9) is fixed on bottom plate, at the top of the robot arm (9) with
3D printing head (4) is fixedly connected, and the complex control system (10) is fixed on bottom plate, the complex control system (10)
It is electrically connected by control bus (11) and wire feeder (2), electroheat pair (6) and robot arm (9).
3. a kind of method of absorption quick coating unit of protective layer based on 3D printing technique according to claim 1,
Be characterized in that: the method detailed process based on quick coating unit the following steps are included:
1) protective layer raw material silk (1) will be absorbed and is packed into wire feeder (2), and start wire feeder by complex control system (10)
(2), raw material silk (1) is sent by wire feed pipeline (3) to 3D printing head (4)；
2) according to protective layer raw material silk (1) melt temperature is absorbed, added by complex control system (10) setting 3D printing head (4)
Thermal target temperature, and pass through thermocouple (6) feedback stability temperature；
3) print command is sent by complex control system (10), controls 3D printing head (4) interior extruder (7) and wire feeder
(2) it cooperates, absorb by flat spray head (8) the uniform coating of protective layer；
4) 3D printing head (4) is mounted on wu-zhi-shan pig arm (9), according to laser impact intensified processing component (position)
(12) three-dimensional dimension sets robot trajectory on complex control system (10), realizes that component to be processed (position) (10) absorb
Protect the quick coating of layer film (13)；
5) coating material solidifies to form absorption protection layer film (13), after laser impact intensified processing directly from component (position)
It directly tears, realizes that rapid cleaning efficiently removes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810997040.6A CN109402372B (en) | 2018-08-29 | 2018-08-29 | Absorption protective layer rapid coating method based on 3D printing technology |
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| CN201810997040.6A CN109402372B (en) | 2018-08-29 | 2018-08-29 | Absorption protective layer rapid coating method based on 3D printing technology |
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| CN109402372A true CN109402372A (en) | 2019-03-01 |
| CN109402372B CN109402372B (en) | 2021-06-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110976869A (en) * | 2019-12-25 | 2020-04-10 | 长安大学 | Part additive composite manufacturing device and method |
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| CN109402372B (en) | 2021-06-11 |
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