CN108284594B - A kind of adaptive platform for high temperature 3D printing - Google Patents
A kind of adaptive platform for high temperature 3D printing Download PDFInfo
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- CN108284594B CN108284594B CN201810293276.1A CN201810293276A CN108284594B CN 108284594 B CN108284594 B CN 108284594B CN 201810293276 A CN201810293276 A CN 201810293276A CN 108284594 B CN108284594 B CN 108284594B
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- platform
- profiled sheeting
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- printing
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- 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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- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
Abstract
The invention belongs to 3D printing technique fields, and disclose a kind of adaptive platform for high temperature 3D printing.It includes support plate, platform substrate, glass plate, movable block, track plates, heating film and profiled sheeting, platform substrate is connect with support plate, spring is provided therebetween, for adjusting the levelness of platform substrate, horizontal reference of the glass plate as adaptive platform, movable block is divided into four pieces, fin is provided on every piece of diagonal line, the track with fin cooperation is provided on track plates, fin orbital motion realizes the outside translation expansion of movable block, profiled sheeting is fixedly connected with rail block, heating film is provided therebetween, for being heated into template, after profiled sheeting expanded by heating, mobile block adaptive translates expansion outward to which transfer molding plate extends outward, the profiled sheeting is avoided locally to heave deformation.Through the invention, the heated adaptivity expansion for realizing adaptive platform, solves bulging or warpage issues in profiled sheeting part, improves formed precision.
Description
Technical field
The invention belongs to 3D printing technique fields, more particularly, to a kind of adaptive platform for high temperature 3D printing.
Background technique
3D printing technique is also known as increases material manufacturing technology or rapid shaping technique (Rapid Prototyping
Manufacturing, abbreviation RPM), basic principle is " successively print, be layering ", is with 3D printing rapid shaping technique
There are the 3D molding equipments of different printing principles in core, wherein fused glass pellet (FDM) equipment by its is easy to use,
It is easy to operate and become the hot spot applied instantly.Its hardware core is hot melt printing head, and printed material is mostly hot melt high score
Sub- material, in print procedure, molten condition bonding after fusing point (general forming temperature is at 200 DEG C or more) are reached using material at
Type.
At the time of molding, the adhesive strength right and wrong in order to guarantee the stabilization of print procedure, between printout first layer and platform
It is often important, if bonding is loosely, is easily loosened in platform moving process, will lead to print procedure utter failure.According to
The similar principle that mixes, high molecular material tended not to materials that hardness are big, horizontal accuracy is high such as glass, metals it is effectively be bonded,
And only with could be effectively be bonded with its high molecular material with same functional group, and high molecular material platform is in heated Shi Huifa
Raw biggish thermal deformation, leads to plateau levels accuracy decline, influences printing precision.
Especially in high-temperature macromolecule material 3D printing field, forming temperature removes spray head heat dissipation and air up to 400 DEG C
The temperature of thermal convection, shaped platform can be at 200 DEG C or so, at this temperature, and it is inevitable that thermal deformation, which occurs, for polymer shaping substrate
, and shaping substrate is different from bottom metal support thermal expansion coefficient, causes platform different by temperature time variance shape degree, so that platform
Horizontal accuracy decline.So how to guarantee the effective bonding of printout and platform, and ensure plateau levels precision in printing
Stabilization is the important technical problem in one, high-temperature macromolecule file printing field.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of for the adaptive of high temperature 3D printing
Platform is answered, by the setting of movable block and track plates, so that the heat of the mobile traction profiled sheeting of movable block is swollen when profiled sheeting is heated
Bulging deformation discharges around, thus solves the low technical problem of the formed precision as caused by profiled sheeting local deformation after heated.
To achieve the above object, it is proposed, according to the invention, provide a kind of adaptive platform for high temperature 3D printing, the adaptation
Platform substrate, supporting plate, glass plate, movable block, the track that platform includes support plate and is arranged in above the support plate according to this
Plate, heating film and profiled sheeting, which is characterized in that
The platform substrate is connect with the support plate, and spring is provided therebetween, for adjusting the platform substrate
Levelness, the center of the platform substrate is arranged in the supporting plate, is used for connecting platform substrate, glass plate and movable block, institute
State horizontal reference of the glass plate as adaptive platform；
The movable block is square, and is four pieces by even partition, is provided with fin, the track plates on the diagonal
On be provided with track with fin cooperation, the fin moves the outside translation exhibition for realizing the movable block along the track
It opens；
The profiled sheeting is fixedly connected with the rail block, and heating film is provided therebetween, for heating the molding
Plate, after expanding after the profiled sheeting is heated, it is outside to migrate the profiled sheeting that the mobile block adaptive translates expansion outward
Extend, the profiled sheeting is avoided locally to heave deformation.
It is further preferred that the profiled sheeting is identical as the material of part to be printed, guarantee part and adaptive platform to be printed
Bonding.
It is further preferred that the platform substrate, supporting plate, glass plate, movable block, track plates, heating film and profiled sheeting
Central axis is on the same line.
It is further preferred that four angles of the profiled sheeting are connect by metal plate tabletting with four angles of the track plates.
It is further preferred that the spring being arranged between the support plate and platform substrate is three, leveled using 3 points
Principle keeps the levelness of the platform substrate.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can obtain down and show
Beneficial effect:
1, the design of the invention by using movable block and track plates, so that the profiled sheeting exists when profiled sheeting expanded by heating
Extend outward in the horizontal direction under the guidance of sliding slot, the extensibility of profiled sheeting in the horizontal plane is realized, so that adaptively
Platform outside even dissipation by way of flexible when being deformed, without will cause showing for profiled sheeting local deformation and interior drum
As to improve the horizontal accuracy in forming process；
2, the heated adaptivity deformation adjustment function of realizing adaptive platform through the invention, solves adaptive platform and exists
Since the factors such as heated generate bulging or warpage in part in use process, and then the problem of the decline of molding levelness, thus mention
The precision of high platform, suitable for the problems such as rigid connection thermal expansion coefficient mismatches and causes warpage between shaping substrate and bottom
3D printing platform；
3, adaptive platform provided by the invention, structure is simple, can adaptively be adjusted to while providing shaped platform
The local deformation of template, function is highly integrated, applied widely, meanwhile, the adaptive platform each section is easy to form, at low cost
It is honest and clean.
Detailed description of the invention
Fig. 1 is the explosion diagram of adaptive platform constructed by preferred embodiment according to the invention；
Fig. 2 is the top view of adaptive platform constructed by preferred embodiment according to the invention；
Fig. 3 is supporting plate modular construction signal below in adaptive platform constructed by preferred embodiment according to the invention
Figure；
Fig. 4 is the structural schematic diagram of adaptive platform constructed by preferred embodiment according to the invention.
In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which:
1-- support plate, 2-- platform substrate, 3-- supporting plate, 4-- glass plate, 5-- movable block, 6-track plates, 7-- heating
Film, 8-profiled sheetings, 9-- metal plate tabletting
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
A kind of adaptive platform for high temperature 3D printer can prevent platform horizontal accuracy when heated from declining, packet
Support sheet metal 1 is included, platform substrate 2, bottom bracket 3, glass plate 4, platform movable block 5, movable block groove body 6, metal plate tabletting 9 adds
Hotting mask 7, profiled sheeting 8.
Connector of the support plate as adaptive platform and moving component, platform substrate 2 is as entire adaptive platform
Pedestal, supporting plate 3 are connected by bolt with platform substrate 2, initial alignment benchmark of the supporting plate 3 as other platform assemblies, for connecting
Platform substrate 2, glass plate 4 and movable plate 5 are connect, glass plate 4 is for providing adaptive platform horizontal reference, glass plate 4 and movement
The centre of plate is provided with groove, realizes connection for cooperating with supporting plate, and movable block 5 is square, and is divided into four pieces, every piece
Fin is provided on diagonal line, for on track plates 6 track cooperate, realize every block of plate translation, heating film be used for at
Template heating, profiled sheeting 8 is used to support molded product, and guarantees the bonds well between product and profiled sheeting to be formed, metal plate tabletting 9
It is by screw that profiled sheeting 8 and the movable block 5 is fixed, so that can be after the sliding of movable block 5 still when 8 temperature distortion of profiled sheeting
Keep higher levelness.
Supporting plate 3 is located at 2 center of platform substrate, is connect by bolt with platform substrate 2, is placed on the basis of bottom bracket 3
Movable block 5, movable block are provided centrally with the groove with supporting plate cooperation.
There is the groove cooperated with supporting plate 3 in benchmark of the glass plate 4 as adaptive platform, center, matches with supporting plate 3 for gap
It closes.
Track plates 6 are worn threaded hole by center and are connect with bottom bracket 3, track plates and glass plate keeping parallelism, to limit
Movable block processed is not moved in vertical direction.
The outer edge of profiled sheeting 8 is connected by screw with movable block, and profiled sheeting is identical as the material of part to be printed, according to phase
Like compatibility principle, guarantee the bonding of part and adaptive platform to be printed, the material of profiled sheeting can be for PEEK plate or with larger
The baseplate material of thermal expansion coefficient, such as: ABS, nylon, terylene, acrylic plastics, phenolic resin, profiled sheeting top are equipped with metal plate
Golden tabletting.
Platform substrate 2, bottom bracket 3, movable block 5, heating film 7, profiled sheeting 8 wear threaded hole as positioning by center
Benchmark, when heating, profiled sheeting is extended outward by central in the horizontal plane.
There are three springs for setting in support plate 1, are used for placement platform substrate, level platform base using 3 levelling principles
Plate keeps its levelness.
The present invention utilizes the design of movable block and track plates, realizes adaptive platform planar to pre-selection reasonable direction
Ductility, bottom bracket 3 is connected by screw to profiled sheeting as glass plate 4, the positioning datum of track plates 6, metal plate tabletting 9
With movable block 5, according to 8 temperature distortion degree of profiled sheeting, after profiled sheeting is heated, movable block 5 can be adaptively flat in track plates
It is moved in face along track, so that metaboly is heaved in part caused by preventing profiled sheeting 8 to be completely fixed, ensure that adaptive platform
The stabilization of horizontal accuracy.
Added in use, heating film 7 passes through the notch connection external control circuit that 2 side of bottom platform substrate opens up
Heat；Support plate 1 and the rack of 3D printer are bolted, can high temperature 3D printer provided by the invention after connecting
Printing shaping on adaptive platform.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (6)
1. a kind of adaptive platform for high temperature 3D printing, which includes support plate (1) and this is arranged according to this
Platform substrate (2), supporting plate (3), glass plate (4), movable block (5), track plates (6), heating film (7) and molding above support plate
Plate (8), which is characterized in that
The platform substrate (2) connect with the support plate (1), and spring is provided therebetween, for adjusting the platform base
The center of the platform substrate is arranged in the levelness of plate (2), the supporting plate, is used for connecting platform substrate, glass plate and movement
Block, horizontal reference of the glass plate as adaptive platform；
The movable block (5) is four pieces by even partition, is provided with fin on every piece of diagonal line, is arranged on the track plates (6)
There is the track with fin cooperation, the fin moves the outside translation expansion for realizing the movable block along the track；
The profiled sheeting (8) is fixedly connected with the track plates (6), and heating film is provided therebetween, for heat it is described at
Template, after the profiled sheeting expanded by heating, it is outside to migrate the profiled sheeting that the mobile block adaptive translates expansion outward
Extend, the profiled sheeting is avoided locally to heave deformation.
2. a kind of adaptive platform for high temperature 3D printing as described in claim 1, which is characterized in that the profiled sheeting
(8) identical as the material of part to be printed, guarantee the bonding of part and adaptive platform to be printed.
3. a kind of adaptive platform for high temperature 3D printing as claimed in claim 1 or 2, which is characterized in that the platform
Substrate (2), glass plate (4) and movable block realize positioning and connection by supporting plate (3).
4. a kind of adaptive platform for high temperature 3D printing as described in claim 1, which is characterized in that the platform substrate
(2), the central axis of supporting plate (3), glass plate (4), movable block (5), track plates (6), heating film (7) and profiled sheeting (8) is same
On one straight line.
5. a kind of adaptive platform for high temperature 3D printing as described in claim 1, which is characterized in that the profiled sheeting
(8) four angles are connect by metal plate tabletting with four angles of the track plates.
6. a kind of adaptive platform for high temperature 3D printing as described in claim 1, which is characterized in that the support plate
(1) spring being arranged between platform substrate (2) is three, and the principle leveled using 3 points keeps the level of the platform substrate
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810293276.1A CN108284594B (en) | 2018-03-30 | 2018-03-30 | A kind of adaptive platform for high temperature 3D printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810293276.1A CN108284594B (en) | 2018-03-30 | 2018-03-30 | A kind of adaptive platform for high temperature 3D printing |
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| Publication Number | Publication Date |
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| CN108284594A CN108284594A (en) | 2018-07-17 |
| CN108284594B true CN108284594B (en) | 2019-05-31 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3898197A4 (en) * | 2018-12-20 | 2022-02-16 | Jabil Inc. | Leveler for 3d printing build plate thermal expansion |
| CN110102766A (en) * | 2019-06-17 | 2019-08-09 | 中国人民解放军陆军军医大学第一附属医院 | A kind of fixed device of 3D printing |
| CN110605850B (en) * | 2019-09-27 | 2021-07-27 | 中国航空制造技术研究院 | Composite structure for controlling heat conduction deformation in closed state |
| CN112060565A (en) * | 2020-08-12 | 2020-12-11 | 广州市文搏智能科技有限公司 | Multifunctional industrial-grade 3D printer and 3D model printing method |
| CN113414981B (en) * | 2021-07-16 | 2022-09-06 | 内蒙古工业大学 | Efficient FDM3D printing device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL227645B1 (en) * | 2015-06-30 | 2018-01-31 | Szymanski Tomasz Verashape | Printout heating platform |
| CN205661045U (en) * | 2016-04-22 | 2016-10-26 | 宁波高新区多维时空科技有限公司 | Print platform based on fused deposition modeling technique 3D printer |
| CN205818469U (en) * | 2016-04-29 | 2016-12-21 | 河南工程学院 | A kind of fused glass pellet 3D prints temperature controlled support platform |
| CN206335856U (en) * | 2016-10-21 | 2017-07-18 | 广州市文搏智能科技有限公司 | 3D printer print platform |
| CN206623400U (en) * | 2017-01-24 | 2017-11-10 | 杭州喜马拉雅数码科技有限公司 | The rigid levelling gear of print platform in a kind of 3D printer |
| CN206579137U (en) * | 2017-03-08 | 2017-10-24 | 天津职业技术师范大学 | A kind of fixed structure for delta 3D printer print platform |
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