CN208276175U - A kind of bi-material layers power spreading device of increasing material manufacturing laser formation equipment - Google Patents
A kind of bi-material layers power spreading device of increasing material manufacturing laser formation equipment Download PDFInfo
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- CN208276175U CN208276175U CN201721864899.7U CN201721864899U CN208276175U CN 208276175 U CN208276175 U CN 208276175U CN 201721864899 U CN201721864899 U CN 201721864899U CN 208276175 U CN208276175 U CN 208276175U
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- scraper
- hairbrush
- driving portion
- spreading device
- mounting rack
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- 239000000463 material Substances 0.000 title claims abstract description 92
- 238000003892 spreading Methods 0.000 title claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
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- 239000000843 powder Substances 0.000 claims abstract description 121
- 230000000712 assembly Effects 0.000 claims abstract description 27
- 238000000429 assembly Methods 0.000 claims abstract description 27
- 238000003825 pressing Methods 0.000 claims description 21
- 210000002421 cell wall Anatomy 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 abstract description 14
- 238000000227 grinding Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 12
- 238000000465 moulding Methods 0.000 description 11
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 238000010408 sweeping Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
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- 238000007599 discharging Methods 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
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Abstract
The utility model provides a kind of bi-material layers power spreading device of increasing material manufacturing laser formation equipment, comprising: powder falling portion, the powder falling portion are made of the first powder falling portion and the second powder falling portion；Doctor assemblies, the doctor assemblies include scraper；The scraper is fixed on scraper mounting rack；Brush member, the brush member include hairbrush；The extending direction of the hairbrush and the scraper is parallel to each other；Driving portion, the driving portion is fixed on the side wall of the scraper mounting rack, and connect with the doctor assemblies and the brush member, for controlling the movement of the scraper Yu the hairbrush.The bi-material layers power spreading device of the utility model can realize the mixed-forming of two kinds of materials while effectively ensureing shaping efficiency.
Description
Technical field
The utility model belongs to increasing material manufacturing apparatus field, and in particular to a kind of double materials of increasing material manufacturing laser formation equipment
Expect power spreading device.
Background technique
Raw material used in increases material manufacturing technology usually have powder, silk, chemical liquid etc., and the master of industrial application at present
It is energy source by powder fusing or molding bonded that Flow Technique, which is all using laser or electron beam, such as SLM, SLS, LSF, EBM etc.
Technology.The raw material that these technologies use are tens Dao several hundred microns powder, in forming process, by powder supplying mechanism and
Powder supply mechanism uniformly divides powder on molded surface, recycles the energy sources such as laser by surface geometry in particular region
Powder fusing, generates metallurgical bonding, finally forms exploded perspective.
For various powders forming technique, only realized at present using LSF equipment.The structure of LSF equipment is will be equipped with sharp
The cladding head of light emitting and blowing powder, carries out steric bulk molding under the driving of three axes.Since its principle is quantitative
A variety of different powder are measured on demand and are sent to cladding head and can realize the more of Same Part by powder feeding, therefore by different powder feeders
Kind powder melts molding.The relatively conventional purposes of various powders melt molding, first to complete molded part main body knot with a kind of powder
Structure, then with another powder to one layer of more excellent coating material of performance of main structure surface cladding, to increase molded part table
The properties such as physics, chemistry, the biology in face, while avoiding using single noble metal powder and the waste of bring cost.This side
Fado is for fields such as aerospace, medical treatment, ship, nuclear powers.But when above-mentioned use LSF equipment forming part, there is molding effect
The low problem of rate.
In the prior art, selective laser melting unit (SLM) energy straight forming goes out the metal parts close to complete consistency,
It is equipment relatively advanced at present, shaping efficiency is much higher than the shaping efficiency of LSF equipment.The equipment by molding cavity, shaping axle,
Powder discharging device, power spreading device and receive powder device composition, due to its forming principle be by power spreading device on shaping axle workbench
Successively tiling powder realizes accumulation molding, therefore the powder necessarily same material of every layer of laying, thus causes it can only be into
The single powder compacting manufacture of row is difficult to realize the mixed-forming of two kinds of materials as LSF equipment.
Utility model content
For this purpose, the technical problem to be solved by the utility model is to increasing material manufacturing laser formation equipment in the prior art
The problem that shaping efficiency is low when two kinds of powder compactings is carried out, and then a kind of bi-material layers paving of increasing material manufacturing laser formation equipment is provided
Powder device.
The bi-material layers power spreading device of increasing material manufacturing laser formation equipment described in the utility model, comprising:
Powder falling portion, the powder falling portion is made of the first powder falling portion and the second powder falling portion, for storing and/or making difference/phase
Same powder down；
Doctor assemblies, the doctor assemblies include scraper；The scraper is fixed on scraper mounting rack；
Brush member, the brush member include hairbrush；The extending direction of the hairbrush and the scraper is parallel to each other；
Driving portion, the driving portion are fixed on the side wall of the scraper mounting rack, and with doctor assemblies and described
Brush member connection, for controlling the movement of the scraper Yu the hairbrush.
Preferably, first powder falling portion and second powder falling portion are respectively arranged at the two sides of the scraper mounting rack；
It is further preferred that first powder falling portion and second powder falling portion are powder tank, it is with the scraper mounting rack
Axial symmetry is set to the two sides of the scraper mounting rack.
Preferably, the scraper mounting rack is in long strip, and length is more than or equal to the length of the scraper；It is described to scrape
The cross section of knife mounting rack is in T-shaped.
Preferably, the driving portion includes scraper driving portion and hairbrush driving portion；The scraper driving portion and the hairbrush
Driving portion is respectively arranged at the two sides of the scraper mounting rack, for drive respectively the scraper and the hairbrush along with it is described
The vertical direction movement of scraper mounting rack length direction；Preferably, the driving portion is cylinder.
Preferably, the doctor assemblies further include scraper mounting blocks and scraper pressing plate, and the scraper mounting blocks are scraped with described
Knife pressing plate fastens the groove to be formed and be suitable for fitting closely the scraper.
It is further preferred that the scraper mounting blocks constitute the side internal groove side wall and internal groove bottom of groove, the scraper pressing plate
Constitute the other side internal groove side wall of groove.
It is further preferred that the scraper mounting blocks are fixed with the scraper driving portion, it is suitable in the bi-material layers powdering
Under device off working state, the scraper driving portion is embedded at the groove that the scraper mounting rack and the doctor assemblies are formed
It is interior.
Preferably, the brush member further includes hairbrush mounting blocks and hairbrush pressing plate, the hairbrush mounting blocks and the hair
Brush pressing plate fastens the groove to be formed and be suitable for fitting closely the hairbrush.
It is further preferred that the hairbrush mounting blocks constitute the side cell wall and slot bottom of groove, the hairbrush pressing plate is constituted
The other side cell wall of groove.
It is further preferred that the hairbrush mounting blocks are fixed with the hairbrush driving portion, it is suitable in the bi-material layers powdering
Under device off working state, the hairbrush driving portion is embedded at the groove that the scraper mounting rack and the brush member are formed
It is interior.
Preferably, the scraper mounting rack and the driving portion outer wall are equipped with protecting crust, suitable for scraping powder falling portion with described
Knife assembly, the brush member, the driving portion, scraper mounting rack isolation；
It is further preferred that the protecting crust is in "U" shaped, it is buckled in outside the scraper mounting rack and the driving portion
Portion.
Preferably, it is additionally provided with leveling jackscrew on the doctor assemblies and/or the brush member, for the scraper
And/or the hairbrush is leveled.
Preferably, the outer wall in the powder falling portion is arranged with scraper rack enclosure, be provided on the scraper rack enclosure 1 or
Person 1 or more tracheae manhole appendix.
The utility model also provides a kind of increasing material manufacturing laser formation equipment, including the bi-material layers power spreading device.
The above-mentioned technical proposal of the utility model has the beneficial effect that:
(1) the bi-material layers power spreading device of the increasing material manufacturing laser formation equipment of the utility model, there are two powder falling portions for tool, can
For storing and/or making different/identical powder downs, meanwhile, with the doctor assemblies, the brush member, the driving
Portion is integrally formed structure, can not only realize the mixed-forming of two kinds of materials；More importantly the device, which is applied to SLM, increases material
When in manufacturing equipment, it can be achieved that by two kinds of materials on shaping axle workbench layer-by-layer tiling powder as needed, and then realize tired
Product molding realizes the mixed-forming of two kinds of materials while effectively ensureing shaping efficiency；
(2) the bi-material layers power spreading device of the increasing material manufacturing laser formation equipment of the utility model, the scraper mounting rack
Structure is strip, and the driving portion can be embedded, space effectively be utilized, structure is more in T-shaped by cross section
For compact and reasonable；
(3) the bi-material layers power spreading device of the increasing material manufacturing laser formation equipment of the utility model, the doctor assemblies and institute
The structure for stating brush member includes mounting blocks and pressing plate, and each component part of component is dismountable connection, convenient for described
Scraper, the replacement of the hairbrush, maintenance；
(4) the bi-material layers power spreading device of the increasing material manufacturing laser formation equipment of the utility model, the scraper mounting rack and
The driving portion outer wall is equipped with protecting crust, is not only convenient for powder and is isolated with powdering structure, and protecting crust is in "U" shaped, is convenient for
Powder falls along the protecting crust outer wall.
Detailed description of the invention
Fig. 1 is the structure scheme of installation of bi-material layers power spreading device described in embodiment；
Fig. 2 is for bi-material layers power spreading device described in embodiment along the sectional view of the right view direction of Fig. 1 under powdering state；
Fig. 3 is for bi-material layers power spreading device described in embodiment in the case where sweeping powdery state along the sectional view of the right view direction of Fig. 1；
Fig. 4 is the operation principle schematic diagram of increasing material manufacturing laser formation equipment described in embodiment；Wherein, Fig. 4 a, 4b,
4c, 4d, 4e are each step schematic diagram of work；
Fig. 5 is the sectional view for the component that increasing material manufacturing laser formation equipment described in embodiment forms；
Appended drawing reference: the first powder falling of 1a- portion；The second powder falling of 1b- portion；2- doctor assemblies；2a- scraper；The installation of 2b- scraper
Block；2c- scraper pressing plate；3- brush member；3a- hairbrush；3b- hairbrush mounting blocks；3c- hairbrush pressing plate；4- driving portion；4a- scraper
Driving portion；4b- hairbrush driving portion；5- scraper mounting rack；6- protecting crust；7- levels jackscrew；8- scraper rack enclosure；9- tracheae into
Portal；The first molded part of 10-；The second molded part of 11-；12- shaped platform；13- shaping axle；14- molding cavity；15a- first
Receive powder portion；15b- second receives powder portion.
Specific embodiment
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.Those skilled in the art should know, following specific embodiments or specific embodiment,
It is the set-up mode that the utility model is the series of optimum that specific utility model content is explained further and enumerates, and these
Can be combined with each other between set-up mode or it is interrelated use, unless clearly being proposed wherein in the utility model
Certain or a certain specific embodiment or embodiment can not be associated setting or common with other embodiments or embodiment
It uses.Meanwhile following specific embodiments or embodiment be only as the set-up mode optimized, and this is practical not as limiting
The understanding of novel protection scope.
Embodiment 1
The bi-material layers power spreading device of the increasing material manufacturing laser formation equipment of the present embodiment, as shown in Figs. 1-3, comprising:
Powder falling portion, the powder falling portion is made of the first powder falling portion 1a and the second powder falling portion 1b, for storing and/or making not
Same/identical powder down；
Doctor assemblies 2, the doctor assemblies 2 include scraper 2a；The scraper 2a is fixed on scraper mounting rack 5；
Brush member 3, the brush member 3 include hairbrush 3a；The extending direction phase of the hairbrush 3a and the scraper 2a
It is mutually parallel；
Driving portion, the driving portion are fixed on the side wall of the scraper mounting rack 5, and with the doctor assemblies 2 and institute
The connection of brush member 3 is stated, for controlling the movement of the scraper 2a Yu the hairbrush 3a.
Wherein, position is arranged not only with specific in the specific structure of first powder falling portion 1a and second powder falling portion 1b
One, as the concrete implementation mode of the present embodiment, first powder falling portion 1a is respectively arranged at second powder falling portion 1b
The two sides of the scraper mounting rack 5；As the preferred implementation of the present embodiment, first powder falling portion 1a is fallen with described second
Powder portion 1b is powder tank, is the two sides that axial symmetry is set to the scraper mounting rack 5 with the scraper mounting rack 5.
For realizing for the purpose of this utility model, the specific structure of the scraper mounting rack 5 is not also unique, this implementation
In example, a kind of specific design method is provided, the scraper mounting rack 5 is in long strip, and length is more than or equal to described scrape
The length of knife 2a；The cross section of the scraper mounting rack 5 is in T-shaped.
To make the scraper 2a and the hairbrush 3a that can be needed to move respectively according to operation, the driving portion includes that scraper drives
Dynamic portion 4a and hairbrush driving portion 4b；The scraper driving portion 4a and hairbrush driving portion 4b is respectively arranged at the scraper installation
The two sides of frame 5, for driving the scraper 2a and the hairbrush 3a along vertical with 5 length direction of scraper mounting rack respectively
Direction movement；As the preferred implementation of the present embodiment, the driving portion is cylinder.The cylinder includes but is not limited to lead
Rail cylinder.
It should be noted that the specific design method of the doctor assemblies 2 is not unique, and in the present embodiment, the scraper
Component 2 further includes that scraper mounting blocks 2b and scraper pressing plate 2c, the scraper mounting blocks 2b fasten to be formed with the scraper pressing plate 2c
Suitable for fitting closely the groove of the scraper 2a.As the preferred embodiment of the present embodiment, the scraper mounting blocks 2b is constituted
The side internal groove side wall and internal groove bottom of groove, the scraper pressing plate 2c constitute the other side internal groove side wall of groove.
To keep the bi-material layers power spreading device of the increasing material manufacturing laser formation equipment more compact, so that space is saved, institute
It states the scraper mounting blocks 2b and scraper driving portion 4a to fix, is suitable for the institute under the bi-material layers power spreading device off working state
Scraper driving portion 4a is stated to be embedded in the groove that the scraper mounting rack 5 is formed with the doctor assemblies 2.
Similarly, the specific design method of the brush member 3 is not also unique, and in the present embodiment, the brush member 3 is also
It fastens to be formed including hairbrush mounting blocks 3b and hairbrush pressing plate 3c, the hairbrush mounting blocks 3b and the hairbrush pressing plate 3c and be suitable for closely
It is bonded the groove of the hairbrush 3a.As the preferred implementation of the present embodiment, the hairbrush mounting blocks 3b constitutes the one of groove
Side channel wall and slot bottom, the hairbrush pressing plate 3c constitute the other side cell wall of groove.
To keep the bi-material layers power spreading device of the increasing material manufacturing laser formation equipment more compact, so that space is saved, institute
It states the hairbrush mounting blocks 3b and hairbrush driving portion 4b to fix, is suitable for the institute under the bi-material layers power spreading device off working state
Hairbrush driving portion 4b is stated to be embedded in the groove that the scraper mounting rack 5 is formed with the brush member 3.
For powdering structure to be isolated with powder, the scraper mounting rack 5 and the driving portion outer wall are equipped with protecting crust 6, fit
In powder falling portion is isolated with the doctor assemblies 2, the brush member 3, the driving portion 4, the scraper mounting rack 5.
To fall convenient for powder along the protecting crust 6, the protecting crust 6 is in "U" shaped, is buckled in the scraper mounting rack
5 and the driving portion outside.
To keep the scraper 2a and the holding of benchmark job face horizontal, leveling jackscrew 7 is additionally provided on the doctor assemblies 2,
For being leveled to the scraper 2a.As the present embodiment preferred embodiment, the leveling jackscrew 7 is set to described scrape
On knife mounting blocks 2b.As the interchangeable embodiment of the present embodiment, also leveling jackscrew can be also provided on the brush member 3
7。
As the preferred embodiment of the present embodiment, the outer wall in the powder falling portion is arranged with scraper rack enclosure 8, the scraper
2 tracheae manhole appendixes are provided on rack enclosure 8.The number of the tracheae manhole appendix includes but is not limited to 2, can be set 1
Or 1 or more any.
Bi-material layers power spreading device installation process described in the present embodiment is as follows: the scraper driving portion 4a and hairbrush are driven
Portion 4b is fixed on the scraper mounting rack 5, then assembly of doctor assemblies 2 and brush member 3.Firstly, by the scraper mounting blocks
2b is installed on the scraper driving portion 4a, and the scraper 2a is fitted closely on the scraper mounting blocks 2b, and by described
Scraper pressing plate 2c is fixed；Similarly, hairbrush mounting blocks 3b is installed on the hairbrush driving portion 4b, the hairbrush 3a is tight
It is closely connected together on the hairbrush mounting blocks 3b, and fixed by the hairbrush pressing plate 3c.Then, the scraper 2a is leveled,
First the bi-material layers power spreading device is run in benchmark job plane, the scraper driving portion 4a is made to run to working position (i.e.
Lowest order) on, the leveling jackscrew 7 is adjusted, the scraper and the benchmark job plane keeping parallelism are made.Finally, installation institute
Protecting crust 6 is stated, then mounted structure is installed on the scraper rack enclosure 8, and tracheae will be passed in and out outside the doctor blade holder
The tracheae manhole appendix 9 in shell 8 pulls out.
The bi-material layers power spreading device course of work described in the present embodiment, including powdering process and powder process is swept, it is specific as follows:
As shown in Fig. 2, being sectional view of the bi-material layers power spreading device under powdering state.Under powdering state, work as institute
When stating bi-material layers power spreading device direction powdering shown in Fig. 2 arrow, the cylinder ventilation of the scraper driving portion 4a makes described scrape
Knife 2a is on working position (i.e. lowest order), and the cylinder of the hairbrush driving portion 4b is passed through reversed gas, is in the hairbrush 3a
On inoperative position (i.e. highest order), powder down in the second powder tank 1b, and by the scraper 2a equably by powder edge
Direction shown in Fig. 2 arrow is laid on molded surface；When bi-material layers power spreading device opposite direction shown in Fig. 2 arrow
When powdering, the control of the scraper driving portion 4a and the hairbrush driving portion 4b are constant, under the powder in the first powder tank 1a
It falls, and equably by powder, the opposite direction shown in Fig. 2 arrow is laid on molded surface as the scraper 2a；
As shown in figure 3, being sectional view of the bi-material layers power spreading device in the case where sweeping powdery state.In the case where sweeping powdery state, work as institute
When stating bi-material layers power spreading device direction shown in Fig. 3 arrow and sweeping powder, the cylinder ventilation of the hairbrush driving portion 4b makes the hair
Brush 3a is on working position (i.e. lowest order), and the cylinder of the scraper driving portion 4a is passed through reversed gas, is in the scraper 2a
On inoperative position (i.e. highest order), the hairbrush 3a is transported in the direction shown in Fig. 3 arrow on the forming surface for rising one layer
It is dynamic, so that the unformed powder on 10 surface of the first molded part be cleared away, and the powder of cleaning is shifted onto outside shaped region and is recycled；
When bi-material layers power spreading device opposite direction shown in Fig. 3 arrow sweeps powder, the scraper driving portion 4a and the hairbrush
The control of driving portion 4b is constant, and hairbrush 3a opposite direction shown in Fig. 3 arrow is transported on the forming surface for rising one layer
It is dynamic, so that the unformed powder on 10 surface of the first molded part be cleared away, and the powder of cleaning is shifted onto outside shaped region and is recycled.
Embodiment 2
The increasing material manufacturing laser formation equipment of the present embodiment, including bi-material layers power spreading device described in embodiment 1, at least
It further include shaped platform 12, shaping axle 13 and molding cavity 14 for driving the shaped platform 12 to move.
As the preferred embodiment of the present embodiment, the increasing material manufacturing laser formation equipment further includes the first receipts powder portion
15a and second receives powder portion 15b, extra powder when for collecting powdering.
For realizing for the purpose of this utility model, the building block of the increasing material manufacturing laser formation equipment, structure
Design is not unique, cooperates as long as can be realized with bi-material layers power spreading device described in embodiment 1, carries out laser formation and is
Can, the present embodiment only provides a kind of simple structure to illustrate the technical solution of the utility model.
It is illustrated in figure 4 the hair course of work of increasing material manufacturing laser formation equipment described in the present embodiment, specific as follows:
The second molded part 11, first powder falling portion 1a are formed on the shaped platform 12 in the molding cavity 14
And different powder is stored respectively as needed in second powder falling portion 1b, as shown in fig. 4 a, under powdering state, when described
When bi-material layers power spreading device direction powdering shown in Fig. 4 a arrow, the shaping axle 13 drives the decline of shaped platform 12 one
A thickness, and it is laid in the powder in second powder falling portion 1b on molded surface；
As shown in Figure 4 b, the bi-material layers power spreading device receives extra powder push-in described first in powder portion 15a, and
Opening laser forms molded surface by the current layer main body of laser melting；
As illustrated in fig. 4 c, in the case where sweeping powdery state, when powder is swept in bi-material layers power spreading device direction shown in Fig. 4 c arrow
When, the shaping axle 13 drives the shaped platform 12 to rise a thickness, the direction shown in Fig. 4 c arrow the hairbrush 3a
Second molded part 11 is taken in preceding layer not by the powder push-in of laser melting part the second receipts powder portion 15b by movement
It is interior；As shown in figure 4d, when the hairbrush 3a, which moves to described second, receives powder portion 15b opening, the hairbrush driving portion is controlled
4b moves hairbrush 3a high frequency on working position and inoperative position repeatedly several times, by the sticky powder of the hairbrush 3a
End falls into described second by mechanical oscillation and receives in powder portion 15b；
Powder process is swept in repetition, keeps the shaping axle 13 motionless, makes hairbrush 3a phase negative side shown in Fig. 4 c arrow
To movement, second molded part 11 is taken in preceding layer not by powder push-in first receipts powder portion of laser melting part
In 15a；When the hairbrush 3a, which moves to described first, receives powder portion 15a opening, the hairbrush driving portion 4b is controlled, is made described
Hairbrush 3a high frequency on working position and inoperative position moves several times repeatedly, and the sticky powder of the hairbrush 3a is passed through machinery
Vibration falls into described first and receives in powder portion 15a；
As shown in fig 4e, the bi-material layers power spreading device is switched under powdering state, makes the bi-material layers power spreading device
The direction powdering shown in Fig. 4 e arrow, the shaping axle 13 drive the shaped platform 12 to decline a thickness, and make described
Powder in first powder falling portion 1a is laid on molded surface, and extra powder push-in described second is received in powder portion 15b, and
Opening laser makes modeled surface profile drape forming by laser melting current layer coating.
It is illustrated in figure 5 the portion that increasing material manufacturing laser formation equipment is prepared by the above method described in the present embodiment
Part, for inside subject to be formed after the powder melts in second powder falling portion 1b, surface covering is first powder falling portion
It is formed after powder melts in 1a.
It should be noted that above-mentioned powdering, sweeping the processes such as powder, laser melting, those skilled in the art can be according to practical portion
Part and actual condition are repeated several times, part steps repeat, step is exchanged, and have no effect on the utility model aim and technology effect
The realization of fruit.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (10)
1. a kind of bi-material layers power spreading device of increasing material manufacturing laser formation equipment characterized by comprising
Powder falling portion, the powder falling portion is made of the first powder falling portion (1a) and the second powder falling portion (1b), for storing and/or making not
Same/identical powder down；
Doctor assemblies (2), the doctor assemblies (2) include scraper (2a)；The scraper (2a) is fixed on scraper mounting rack (5)
On；
Brush member (3), the brush member (3) include hairbrush (3a)；The extension of the hairbrush (3a) and the scraper (2a)
Direction is parallel to each other；
Driving portion, the driving portion are fixed on the side wall of the scraper mounting rack (5), and with the doctor assemblies (2) and institute
Brush member (3) connection is stated, for controlling the movement of the scraper (2a) Yu the hairbrush (3a).
2. the bi-material layers power spreading device of increasing material manufacturing laser formation equipment according to claim 1, which is characterized in that described
First powder falling portion (1a) and second powder falling portion (1b) are respectively arranged at the two sides of the scraper mounting rack (5)；Preferably, institute
Stating the first powder falling portion (1a) and second powder falling portion (1b) is powder tank, is set to the scraper mounting rack (5) for axial symmetry
The two sides of the scraper mounting rack (5).
3. the bi-material layers power spreading device of increasing material manufacturing laser formation equipment according to claim 2, which is characterized in that described
Scraper mounting rack (5) is in long strip, and length is more than or equal to the length of the scraper (2a)；The scraper mounting rack (5)
Cross section in T-shaped.
4. the bi-material layers power spreading device of increasing material manufacturing laser formation equipment according to claim 3, which is characterized in that described
Driving portion includes scraper driving portion (4a) and hairbrush driving portion (4b)；The scraper driving portion (4a) and the hairbrush driving portion
(4b) is respectively arranged at the two sides of the scraper mounting rack (5), for driving the scraper (2a) and the hairbrush (3a) respectively
It is moved along the direction vertical with scraper mounting rack (5) length direction；Preferably, the driving portion is cylinder.
5. the bi-material layers power spreading device of increasing material manufacturing laser formation equipment according to claim 4, which is characterized in that described
Doctor assemblies (2) further include scraper mounting blocks (2b) and scraper pressing plate (2c), the scraper mounting blocks (2b) and the scraper pressure
Plate (2c) fastens the groove for being formed and being suitable for fitting closely the scraper (2a)；Preferably, the scraper mounting blocks (2b) are constituted recessed
The side internal groove side wall and internal groove bottom of slot, the scraper pressing plate (2c) constitute the other side internal groove side wall of groove；It is further preferred that
The scraper mounting blocks (2b) and the scraper driving portion (4a) are fixed, are suitable in the bi-material layers power spreading device off working state
Under, in the groove that the scraper driving portion (4a) is embedded at the scraper mounting rack (5) and the doctor assemblies (2) are formed.
6. the bi-material layers power spreading device of increasing material manufacturing laser formation equipment according to claim 5, which is characterized in that described
Brush member (3) further includes hairbrush mounting blocks (3b) and hairbrush pressing plate (3c), the hairbrush mounting blocks (3b) and the hairbrush pressure
Plate (3c) fastens the groove for being formed and being suitable for fitting closely the hairbrush (3a)；Preferably, the hairbrush mounting blocks (3b) are constituted recessed
The side cell wall and slot bottom of slot, the hairbrush pressing plate (3c) constitute the other side cell wall of groove；It is further preferred that the hairbrush
Mounting blocks (3b) and the hairbrush driving portion (4b) are fixed, are suitable under the bi-material layers power spreading device off working state, described
In the groove that hairbrush driving portion (4b) is embedded at the scraper mounting rack (5) and the brush member (3) are formed.
7. the bi-material layers power spreading device of increasing material manufacturing laser formation equipment according to claim 6, which is characterized in that described
Scraper mounting rack (5) and the driving portion outer wall are equipped with protecting crust (6), are suitable for powder falling portion and the doctor assemblies (2), described
Brush member (3), the driving portion, the scraper mounting rack (5) isolation；Preferably, the protecting crust (6) is in "U" shaped, button
Outside the scraper mounting rack (5) and the driving portion.
8. the bi-material layers power spreading device of increasing material manufacturing laser formation equipment according to claim 7, which is characterized in that described
Leveling jackscrew (7) is additionally provided on doctor assemblies (2) and/or the brush member (3), for the scraper (2a) and/or
The hairbrush (3a) is leveled.
9. the bi-material layers power spreading device of increasing material manufacturing laser formation equipment according to claim 8, which is characterized in that described
The outer wall in powder falling portion is arranged with scraper rack enclosure (8), and 1 or 1 or more tracheae is provided on the scraper rack enclosure (8)
Manhole appendix (9).
10. a kind of increasing material manufacturing laser formation equipment, which is characterized in that including double described in any one of claim 1-9
Material power spreading device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864899.7U CN208276175U (en) | 2017-12-27 | 2017-12-27 | A kind of bi-material layers power spreading device of increasing material manufacturing laser formation equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864899.7U CN208276175U (en) | 2017-12-27 | 2017-12-27 | A kind of bi-material layers power spreading device of increasing material manufacturing laser formation equipment |
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| Publication Number | Publication Date |
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| CN208276175U true CN208276175U (en) | 2018-12-25 |
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|---|---|---|---|
| CN201721864899.7U Withdrawn - After Issue CN208276175U (en) | 2017-12-27 | 2017-12-27 | A kind of bi-material layers power spreading device of increasing material manufacturing laser formation equipment |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107876772A (en) * | 2017-12-27 | 2018-04-06 | 科大天工智能装备技术（天津）有限公司 | A kind of bi-material layers power spreading device of increasing material manufacturing laser formation equipment |
| CN110039051A (en) * | 2019-04-16 | 2019-07-23 | 重庆奥图亚模型有限公司 | The upper controllable powder outlet quantity powdering system of powder feeding formula metal 3D printer |
-
2017
- 2017-12-27 CN CN201721864899.7U patent/CN208276175U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107876772A (en) * | 2017-12-27 | 2018-04-06 | 科大天工智能装备技术（天津）有限公司 | A kind of bi-material layers power spreading device of increasing material manufacturing laser formation equipment |
| CN107876772B (en) * | 2017-12-27 | 2023-11-03 | 科大天工智能装备技术（天津）有限公司 | Dual-material powder spreading device of additive manufacturing laser forming equipment |
| CN110039051A (en) * | 2019-04-16 | 2019-07-23 | 重庆奥图亚模型有限公司 | The upper controllable powder outlet quantity powdering system of powder feeding formula metal 3D printer |
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Assignee: Keda Jinwu laser technology (Tianjin) Co.,Ltd. Assignor: USTC TIANGONG INTELLIGENT EQUIPMENT TECHNOLOGY (TIANJIN) CO.,LTD. Contract record no.: X2022980004348 Denomination of utility model: A dual material powder spreading device for additive manufacturing laser forming equipment Granted publication date: 20181225 License type: Common License Record date: 20220418 |
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