CN205673594U - The sealing device of powder of a kind of 3D printing device and 3D printing device - Google Patents
The sealing device of powder of a kind of 3D printing device and 3D printing device Download PDFInfo
- Publication number
- CN205673594U CN205673594U CN201620636658.6U CN201620636658U CN205673594U CN 205673594 U CN205673594 U CN 205673594U CN 201620636658 U CN201620636658 U CN 201620636658U CN 205673594 U CN205673594 U CN 205673594U
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- Prior art keywords
- printing device
- powder
- plate
- draw
- groove
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- Expired - Fee Related
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- 238000010146 3D printing Methods 0.000 title claims abstract description 41
- 239000000843 powder Substances 0.000 title claims abstract description 37
- 238000007789 sealing Methods 0.000 title claims abstract description 35
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000007639 printing Methods 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Abstract
The utility model discloses sealing device of powder and the 3D printing device of a kind of 3D printing device, including the felt fitted with formation cylinder sidewall, described felt is provided with pressing plate, described felt corner is provided with horn shape briquetting, it is equipped with spring on described pressing plate and horn shape briquetting, described spring one end contacts with pressing plate or horn shape briquetting, and the other end of described spring is installed in draw-in groove, and described draw-in groove is arranged at cooled plate periphery or is arranged at the periphery of form seal plate of cooled plate bottom.This utility model good sealing effect, functional reliability is high；With low cost, adjust with safeguard convenient；Simple in construction, easy to implement.
Description
Technical field
This utility model relates to 3D printing device field, specifically refers to sealing device of powder and the 3D of a kind of 3D printing device
Printing device.
Background technology
Selective laser melting (Selective Laser Melting, SLM) is that a kind of 3D of metalwork straight forming beats
Print technology, is the later development of rapid shaping technique.This technology most basic thought based on rapid shaping, the most successively cladding
" increment " manufacture, there is the part of geometry in particular according to three-dimensional CAD model direct forming, in forming process gold
Belong to powder be completely melt, produce metallurgical binding, this technology be particularly well-suited to tradition machining means cannot manufacture complicated shape/
The metal parts of structure.SLM technology has the advantage that 1, can directly manufacture terminal metal part product；2, can be had
Nonequilibrium state supersaturated solid solution and the entity of uniform tiny metallographic structure, consistency almost can reach 100%, part machinery
Can be suitable with Forging Technology gained；3, use has the laser instrument of high power density, with the laser beam processing metal that hot spot is the least,
Make the metal parts processed have the highest dimensional accuracy (reaching 0.1mm) and good surface roughness (Ra 20～
40μm)；4, the least due to laser spot diameter, therefore the laser energy density of metal bath is the highest so that with single component
Metal dust manufactures part and is possibly realized, and alternative metal dust kind is expanded the most significantly；5, applicable various multiple
The workpiece of miscellaneous shape, is especially suitable for inside and has complicated abnormal shape structure (such as cavity, three-dimensional grid), cannot manufacture by traditional method
Complex part.
Need to form one layer of powder thin layer in working chamber when the 3D printing device of application SLM technology shapes, but in formation cylinder
Substrate, heating plate, thermal insulation board, cooled plate, the part such as form seal plate need again to move up and down in forming process, therefore become
Being accomplished by being sealed during motion between the shape inside wall of cylinder and above-mentioned several part, powder is revealed else if, in working chamber
Cannot form one layer of entire powder thin layer needed for laser forming, then, when unlatching laser is sintered, shaping can be failed, or becomes
The part of shape can produce defect.
Utility model content
The purpose of this utility model is: overcome prior art drawbacks described above, it is provided that the powder of a kind of 3D printing device is close
Seal apparatus and 3D printing device.This utility model good sealing effect, functional reliability is high；With low cost, adjust with safeguard convenient；
Simple in construction, easy to implement.
This utility model is achieved through the following technical solutions:
The sealing device of powder of a kind of 3D printing device, including the felt fitted with formation cylinder sidewall, described felt sets
There are pressing plate, described felt corner to be provided with on horn shape briquetting, described pressing plate and horn shape briquetting and are equipped with spring, described spring one end
Contacting with pressing plate or horn shape briquetting, the other end of described spring is installed in draw-in groove, described draw-in groove be arranged at cooled plate periphery or
Person is arranged at the periphery of the form seal plate of cooled plate bottom.
A kind of 3D printing device, including formation cylinder and working chamber, is provided with motion bracket in described formation cylinder, described motion is propped up
Be sequentially provided with from bottom to up on frame the above-mentioned sealing device of powder of a kind of 3D printing device, cooled plate, thermal insulation board, heating plate,
Forming board, described forming board is positioned over workpiece, and described workpiece is provided around powder, and described working chamber is provided with and workpiece
The optical module being oppositely arranged.
As the preferred mode of one, described spring one end contacts with pressing plate or horn shape briquetting, the other end of described spring
It is installed in the draw-in groove of cooled plate periphery.
As the preferred mode of one, including the sealing device of powder of several above-mentioned a kind of 3D printing devices, and
The sealing device of powder of above-mentioned a kind of 3D printing device on upper strata is installed in the draw-in groove of cooled plate periphery, lower floor above-mentioned
The sealing device of powder of a kind of 3D printing device is installed in the draw-in groove of form seal plate periphery.
As the preferred mode of one, including the sealing device of powder of two above-mentioned a kind of 3D printing devices, and go up most
The sealing device of powder of above-mentioned a kind of 3D printing device of layer is installed in the draw-in groove of cooled plate periphery, above-mentioned one of lower floor
The sealing device of powder planting 3D printing device is installed in the draw-in groove of form seal plate periphery.
This utility model compared with prior art, has the following advantages and beneficial effect: this utility model good sealing effect,
Functional reliability is high；With low cost, adjust with safeguard convenient；Simple in construction, easy to implement.
Accompanying drawing explanation
Fig. 1 is the structural representation of 3D printing device in embodiment 1.
Fig. 2 be in Fig. 1 AA to sectional view.
Wherein: 1 formation cylinder, 2 felts, 3 pressing plates, 4 springs, 5 horn shape briquettings, 6 motion brackets, 7 one-tenth
Shape sealing plate, 8 cooled plate, 9 thermal insulation boards, 10 heating plates, 11 forming boards, 12 powder beds, 13 workpiece, 14
Working chamber, 16 optical modules.
Detailed description of the invention
Describe in detail the most further, but embodiment of the present utility model be not limited to this:
Embodiment 1:
Seeing Fig. 1 and Fig. 2, the sealing device of powder of a kind of 3D printing device, including the felt fitted with formation cylinder 1 sidewall
2, described felt 2 is provided with pressing plate 3, and described felt 2 corner is provided with horn shape briquetting 5, on described pressing plate 3 and horn shape briquetting 5 all
Being provided with spring 4, described spring 4 one end contacts with pressing plate 3 or horn shape briquetting 5, and the other end of described spring 4 is installed in draw-in groove,
Described draw-in groove is arranged at cooled plate 8 periphery or is arranged at the periphery of form seal plate 7 of cooled plate 8 bottom.
A kind of 3D printing device, including formation cylinder 1 and working chamber 14, is provided with motion bracket 6 in described formation cylinder 1, described
The above-mentioned sealing device of powder of a kind of 3D printing device, cooled plate 8, thermal insulation board it is sequentially provided with from bottom to up on motion bracket 6
9, heating plate 10, forming board 11, described forming board 11 is positioned over workpiece 13, and described workpiece 13 is provided around powder bed
12, described working chamber 14 is provided with the optical module 16 being oppositely arranged with workpiece 13.
In this utility model, spring 4 is installed in draw-in groove, by spring 4, pressing plate 3 and horn shape briquetting 5 is applied pressure,
Felt 2 can be made to tightly stick to form cylinder 1 sidewall, form the sealing structure of " mouth " font, it is to avoid powder bed 12 is revealed.
As the preferred mode of one, described spring 4 one end contacts with pressing plate 3 or horn shape briquetting 5, described spring 4 another
One end is installed in the draw-in groove of cooled plate 8 periphery.Arranged by this kind, structure can be simplified, it is not necessary to set up form seal plate 7
Realize sealing, prevent powder bed 12 from revealing.
As the preferred mode of one, including the sealing device of powder of several above-mentioned a kind of 3D printing devices, and
The sealing device of powder of above-mentioned a kind of 3D printing device on upper strata is installed in the draw-in groove of cooled plate 8 periphery, lower floor above-mentioned
The sealing device of powder of a kind of 3D printing device be installed in the draw-in groove of form seal plate 7 periphery.By arranging on several
The sealing device of powder of a kind of 3D printing device stated, spatially forms the sealing structure of multilamellar " mouth " font, so seals
Better.
As the preferred mode of one, including the sealing device of powder of two above-mentioned a kind of 3D printing devices, and go up most
The sealing device of powder of above-mentioned a kind of 3D printing device of layer is installed in the draw-in groove of cooled plate 8 periphery, lower floor above-mentioned
The sealing device of powder of a kind of 3D printing device is installed in the draw-in groove of form seal plate 7 periphery.Above-mentioned by arranging two
The sealing device of powder of a kind of 3D printing device, spatially forms the sealing structure of bilayer " mouth " font, it is possible to effective guarantee
Sealing effectiveness.
The above, be only preferred embodiment of the present utility model, and this utility model not does any pro forma limit
System, every according to technical spirit of the present utility model, above example is made any simple modification, equivalent variations, each fall within
Protection domain of the present utility model.
Claims (5)
1. the sealing device of powder of a 3D printing device, it is characterised in that: include and the felt of formation cylinder (1) sidewall laminating
(2), described felt (2) is provided with pressing plate (3), and described felt (2) corner is provided with horn shape briquetting (5), described pressing plate (3) and angle
Being equipped with spring (4) on shape briquetting (5), described spring (4) one end contacts with pressing plate (3) or horn shape briquetting (5), described spring
(4) the other end is installed in draw-in groove, and described draw-in groove is arranged at cooled plate (8) periphery or is arranged at cooled plate (8) bottom
The periphery of form seal plate (7).
2. a 3D printing device, it is characterised in that: including formation cylinder (1) and working chamber (14), described formation cylinder is provided with in (1)
Motion bracket (6), described motion bracket (6) is sequentially provided with a kind of 3D printing device described in claim 1 from bottom to up
Sealing device of powder, cooled plate (8), thermal insulation board (9), heating plate (10), forming board (11), described forming board is put on (11)
Being placed in workpiece (13), described workpiece (13) is provided around powder bed (12), and described working chamber (14) are provided with and workpiece (13) phase
To the optical module (16) arranged.
3D printing device the most according to claim 2, it is characterised in that: described spring (4) one end and pressing plate (3) or horn shape
Briquetting (5) contacts, and the other end of described spring (4) is installed in the draw-in groove of cooled plate (8) periphery.
3D printing device the most according to claim 2, it is characterised in that: include the one described in several claim 1
The sealing device of powder of 3D printing device, and the powder-tight dress of a kind of 3D printing device described in the claim 1 of the superiors
Put in the draw-in groove being installed on cooled plate (8) periphery, the powder-tight dress of a kind of 3D printing device described in the claim 1 of lower floor
Put in the draw-in groove being installed on form seal plate (7) periphery.
3D printing device the most according to claim 4, it is characterised in that: include a kind of 3D described in two claim 1
The sealing device of powder of printing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620636658.6U CN205673594U (en) | 2016-06-25 | 2016-06-25 | The sealing device of powder of a kind of 3D printing device and 3D printing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620636658.6U CN205673594U (en) | 2016-06-25 | 2016-06-25 | The sealing device of powder of a kind of 3D printing device and 3D printing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205673594U true CN205673594U (en) | 2016-11-09 |
Family
ID=57429058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620636658.6U Expired - Fee Related CN205673594U (en) | 2016-06-25 | 2016-06-25 | The sealing device of powder of a kind of 3D printing device and 3D printing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205673594U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111107954A (en) * | 2017-09-20 | 2020-05-05 | 通快激光与系统工程有限公司 | Construction cylinder with reduced temperature gradient for a machine for producing three-dimensional objects layer by layer |
| CN111957968A (en) * | 2020-09-03 | 2020-11-20 | 西安交通大学 | Composite material increasing and decreasing machining forming device and method |
| CN112024874A (en) * | 2020-07-13 | 2020-12-04 | 西安铂力特增材技术股份有限公司 | 3D printing part temperature gradient control device and method |
-
2016
- 2016-06-25 CN CN201620636658.6U patent/CN205673594U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111107954A (en) * | 2017-09-20 | 2020-05-05 | 通快激光与系统工程有限公司 | Construction cylinder with reduced temperature gradient for a machine for producing three-dimensional objects layer by layer |
| US11305356B2 (en) | 2017-09-20 | 2022-04-19 | Trumpf Laser—und Systemtechnik GmbH | Building cylinders for machines for the layer-by-layer production of three-dimensional objects |
| CN112024874A (en) * | 2020-07-13 | 2020-12-04 | 西安铂力特增材技术股份有限公司 | 3D printing part temperature gradient control device and method |
| CN111957968A (en) * | 2020-09-03 | 2020-11-20 | 西安交通大学 | Composite material increasing and decreasing machining forming device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |