CN104259458B - Rapid prototyping device for three-dimensional object manufacture and heating device thereof - Google Patents
Rapid prototyping device for three-dimensional object manufacture and heating device thereof Download PDFInfo
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- CN104259458B CN104259458B CN201410510478.9A CN201410510478A CN104259458B CN 104259458 B CN104259458 B CN 104259458B CN 201410510478 A CN201410510478 A CN 201410510478A CN 104259458 B CN104259458 B CN 104259458B
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- drawer
- support cover
- heater
- heat pipe
- heating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The invention relates to a rapid prototyping device for three-dimensional object manufacture and a heating device thereof. The heating device comprises a supporting cover, a drawer and a heating unit. The supporting cover is arranged at the top of a prototyping cavity, and a through hole is formed in the middle of the supporting cover. The drawer is arranged in the supporting cover. The heating unit comprises a plurality of heating tubes arranged on a base board of the drawer. Therefore, operators can install and debug the heating tubes outside the prototyping cavity and then put the drawer in the supporting cover after debugging, thereby overcoming the defect of installation and debugging inconvenience when the operators are in a narrow prototyping cavity space. In addition, the heating device makes installation, debugging and overhaul by the operators to be convenient, thereby improving the equipment production efficiency.
Description
Technical field
The invention belongs to quick forming fabri-cation field is and in particular to a kind of rapid forming equipment for manufacturing three-dimensional body
And its heater.
Background technology
Rapid shaping technique (rapid prototyping, abbreviation rp) be one have Digitized manufacturing, highly flexible and
Adaptability, direct cad model-driven, the advanced manufacturing technology of the distinguishing feature such as quick, material type is rich and varied, from 20 generation
Discipline late nineteen eighties are developed so far, and oneself becomes a mainstay in modern advanced manufacturing technique.Selective laser sintering
(selective laser sintering, abbreviation sls) is one of rapid shaping technique with the fastest developing speed in recent years, its
With dusty material as raw material, using laser, the section of 3D solid is successively scanned and completed raw basin, be not subject to part shape
Shape complexity limit it is not necessary to any moulds of industrial equipment, applied range.The basic process of selective laser sintering technique
It is: a certain amount of powder is delivered to work top by dust feeder that it is molded that one layer of dusty material is laid in moulding cylinder by powdering roller
The upper surface of part, powder is heated to the temperature setting by heater, and galvanometer system controls laser instrument according to the section of this layer
Profile is scanned to solid section powder bed, make powder melt and with following in type part realize bonding；When one layer is cut
After face has sintered, workbench declines the thickness of a layer, and powdering roller, again in the uniformly densely powder of layer overlay above, is carried out
The scanning sintering of a new layer cross section, if through dried layer scanning superposition, until complete whole raw basin.
In the above-described techniques, heater is mainly made up of several heating tubes, and several heating tubes are according to array cloth
Office is arranged on the top of working chamber, although this heater can realize the purpose heating, due to working chamber space itself
Limit, installing to operator, increased great difficulty when debugging or dismounting heating tube, and then have impact on the production effect of equipment
Rate.
Content of the invention
It is an object of the invention to, the problem existing for prior art, provide a kind of debugging, dismounting, maintenance convenient, raw
Produce the rapid forming equipment for manufacturing three-dimensional body and its heater of efficiency high.
For solve above-mentioned technical problem, the invention provides a kind of rapid forming equipment for manufacturing three-dimensional body plus
Thermal, including support cover, is arranged on the top of forming cavity, and the middle part of support cover has through hole；Drawer, is arranged on support cover
Interior；And heating unit, including several heating tubes, several heating tubes are arranged under the base plate of drawer.
It is further preferred that described heater also includes heat pipe, described support cover is additionally provided with air inlet and gives vent to anger
Hole, described air inlet and venthole are communicated by heat pipe.
It is further preferred that described heat pipe is arranged on the top in support cover, and described heat pipe is located on drawer.
It is further preferred that described heat pipe is in spiral shape being arranged in support cover.
It is further preferred that described venthole is positioned close to the position of window mirror and/or Infrared Detectorss.
It is further preferred that described heater also includes screw rod and nut, described screw rod runs through support cover, and passes through spiral shell
Drawer is fixed on support cover mother.
It is further preferred that the base plate of described drawer has several horizontal mounting holes and several vertical mounting holes,
The end of described heating tube is arranged on horizontal mounting hole or vertical kidney-shaped in the hole.
It is further preferred that the inner side of described two side walls of support cover is provided with chute, outside two side walls of described drawer
Side is provided with guide rail, and described drawer passes through the chute matching and guide rail moves in support cover.
It is further preferred that several heating tubes described are arranged under the base plate of drawer according to array layout.
Present invention also offers a kind of rapid forming equipment for manufacturing three-dimensional body, including hierarchy slicing system, send
Power spreading device and laser galvanometer, wherein also include above-mentioned heater.
The heater of the rapid forming equipment for manufacturing three-dimensional body of the present invention, by including support cover, setting
At the top of forming cavity, and the middle part of support cover has through hole；Drawer, is arranged in support cover；And heating unit, if including
A dry heating tube, several heating tubes be arranged under the base plate of drawer so that operator can carry out outside forming cavity plus
The installation of heat pipe and debugging, after the completion of debugging, drawer are placed in support cover, thus avoiding operator in narrow and small one-tenth
The drawbacks of be not easy to installation and debugging in cavity space, therefore, the rapid forming equipment for manufacturing three-dimensional body of the present invention
Heater makes the installation of operator, debugging, maintenance more convenient, and then improves production efficiency of equipment.
The rapid forming equipment for manufacturing three-dimensional body of the present invention, by include above-mentioned there is heater so that
Operator can carry out installation and the debugging of heating tube outside forming cavity, after the completion of debugging, drawer is placed in support cover
Interior, thus the drawbacks of avoid operator and be not easy to installation and debugging in narrow and small molding cavity space, therefore, the use of the present invention
In the rapid forming equipment manufacturing three-dimensional body so that the installation of operator, debugging, maintenance are more convenient, and then improve and set
Standby production efficiency.
Brief description
Fig. 1 is used for for the present invention manufacturing the knot of an embodiment of heater offer of the rapid forming equipment of three-dimensional body
Composition；
Fig. 2 is the structure chart of support cover in Fig. 1；
Fig. 3 is the structure chart of drawer in Fig. 1；
Fig. 4 is the upward view of Fig. 3；
Fig. 5 is used for for the present invention manufacturing another embodiment of heater offer of the rapid forming equipment of three-dimensional body
Structure chart.
In figure description of symbols:
1st, support cover, 2, drawer, 3, base plate, 4, heating tube, 5, air inlet pipe, 6, escape pipe, 7, screw rod, 8, nut, 9, water
Flat mounting hole, 10, vertical mounting hole, 11, chute, 12, guide rail, 13, through hole, 14, ferrule fitting.
Specific embodiment
Below with reference to Figure of description and specific embodiment, the present invention is described in further details.
Embodiment one
Fig. 1 is used for for the present invention manufacturing the knot of an embodiment of heater offer of the rapid forming equipment of three-dimensional body
Composition, Fig. 2 is the structure chart of support cover in Fig. 1, the structure chart after that is, drawer is extracted out, and Fig. 3 is the structure chart of drawer in Fig. 1, Fig. 4
Upward view for Fig. 3, i.e. the structure chart of heating unit.As Figure 1-Figure 4, for manufacturing the rapid forming equipment of three-dimensional body
Heater include support cover 1, drawer 2 and heating unit, shown support cover 1 is arranged on the top of forming cavity, and support cover 1
Middle part there is through hole 13, this through hole 13 is used for introducing laser injects forming cavity, carries out laser sintered；Described drawer 2 is arranged on
In support cover 1, and the inner side of 1 two side walls of described support cover is provided with chute 11, and the outside of two side walls of described drawer 2 is provided with
Guide rail 12, described drawer 2 passes through the chute 11 matching and guide rail 12 moves, if described heating unit includes in support cover 1
Dry heating tube 4, several heating tubes 4 are arranged on according to array layout under the base plate 3 of drawer 2.
The heater of the rapid forming equipment for manufacturing three-dimensional body of this embodiment, by including support cover 1, if
Put the top in forming cavity, and the middle part of support cover 1 has through hole 13；Drawer 2, is arranged in support cover 1；And heating is single
Unit, including several heating tubes 4, several heating tubes 4 are arranged on the base plate 3 of drawer 2 so that operator can be in molding
Carry out installation and the debugging of heating tube 4 outside chamber, after the completion of debugging, drawer 2 is placed in support cover 1, thus avoiding operation
Personnel in narrow and small molding cavity space the drawbacks of inconvenient installation and debugging, therefore, the present invention for manufacturing the fast of three-dimensional body
The heater of fast former makes the installation of operator, debugging more convenient, and then improves production efficiency of equipment.
In being embodied as, as shown in figure 4, the base plate 3 of described drawer 2 have several horizontal mounting holes 9 and several
Vertical mounting hole 10, the end of described heating tube 4 is arranged in horizontal mounting hole 9 or vertical mounting hole 10, so can be by adjusting
Whole heating tube 4 is in the installation site of horizontal mounting hole 9 or vertical mounting hole 10, thus adjusting the temperature of processing plane in forming cavity
Degree, and then it is implemented as the thermal field regulation in pocket machining region.It is understood that adjustment heating tube 4 is in the peace of horizontal mounting hole 9
Holding position can achieve working face x-axis direction temperature adjustment, and in the same manner, adjustment heating tube 4 is in the installation site of vertical mounting hole 10
Achievable working face y-axis direction temperature adjustment.
As the further improvement project of this embodiment, described heater also includes screw rod 7 and nut 8, described screw rod 7
Run through support cover 1, and by nut 8, drawer 2 is fixed on support cover 1, designer can be according to forming cavity machining area
The specific requirement of temperature, adjusts the relative position between drawer 2 and support cover 1, is implemented as follows: as pocket machining region
Temperature too high, then unscrew nut 8 so that drawer 2 is toward rising, then by nut 8, drawer 2 be fixed on support cover 1；Treat as
The temperature in pocket machining region is too low, then unscrew nut 8 so that drawer 2 is toward declining, then is fixed on drawer 2 by nut 8
On support cover 1.
Here it should be noted that, the quantity of described screw rod 7 and nut 8 specifically can determine according to designer, for example can be
The diagonal of support cover 1 respectively sets a screw rod 7 and nut 8, certainly, so that drawer 2 is more smoothly arranged on support cover 1,
Described screw rod 7 and nut 8 are four, and are separately positioned on four corners of support cover 1.
Embodiment two
Fig. 5 is used for for the present invention manufacturing another embodiment of heater offer of the rapid forming equipment of three-dimensional body
It is to be understood that Fig. 2 also structure chart for support cover in Fig. 5, the structure chart after that is, drawer is extracted out, Fig. 3 is also figure to structure chart
The structure chart of drawer in 5, Fig. 4 is the upward view of Fig. 3, i.e. the structure chart of heating unit, as shown in Fig. 5, Fig. 2, Fig. 3 and Fig. 4, uses
Heater in the rapid forming equipment manufacturing three-dimensional body includes support cover 1, drawer 2, heating unit, air inlet, heat conduction
Pipe (not shown), venthole, screw rod 7 and nut 8, shown support cover 1 is arranged on the top of forming cavity, and support cover 1
Middle part has through hole 13, and this through hole 13 is used for introducing laser injects forming cavity, carries out laser sintered；Described drawer 2 is arranged on and props up
In support cover 1, and the inner side of 1 two side walls of described support cover is provided with chute 11, and the outside of two side walls of described drawer 2 is provided with leads
Rail 12, described drawer 2 passes through the chute 11 matching and guide rail 12 moves in support cover 1, and described heating unit includes some
Individual heating tube 4, several heating tubes 4 are arranged on according to array layout under the base plate 3 of drawer 2, described air inlet and venthole
It is arranged on support cover 1, described air inlet and venthole are communicated by heat pipe.
In being embodied as, described heat pipe only needs to be arranged on forming cavity inside and get final product it is preferable that being near heating unit
Make heater more compact structure, layout is more reasonable, described heat pipe is arranged on the top in support cover 1, and described lead
Heat pipe is placed on drawer 2.
In being embodied as, in described air inlet, it is inserted with air inlet pipe 5, this air inlet pipe 5 is fixedly installed on by ferrule fitting 14
On support cover 1, in described venthole, it is inserted with escape pipe 6, this escape pipe 6 may include at least two gas outlets, described protective gas
(such as nitrogen) enters heat pipe by air inlet pipe 5, and the protective gas in heat pipe is heated while heating devices heat,
So that the protective gas after heating delivers to window mirror, Infrared Detectorss respectively by least two gas outlets of escape pipe 6
Etc. being cleaned purging work, to prevent window mirror, the crystallization of Infrared Detectorss camera lens.
This embodiment is highly preferred embodiment of the present invention, on the basis of embodiment one, by further include air inlet,
Heat pipe and venthole, for introducing protective gas, and heat to protective gas, finally lead to the protective gas after heating
Cross venthole deliver to respectively window mirror, Infrared Detectorss etc. be cleaned purge work, to prevent window mirror, Infrared Detectorss mirror
Head crystallization, thus avoid prior art to need in the forming cavity outside heater element that individually increases, protective gas to be heated,
Produce the drawbacks of increase equipment cost, therefore the heater of the present invention not only has heating function to forming cavity, also have and add
The function of hot protective gas, that is, reached dual function, correspondingly saves equipment cost.Further, since prior art adopts
Be in the forming cavity outside heater element that individually increases, protective gas to be heated, so it is difficult to ensure that protective gas temperature and
Forming cavity internal temperature is consistent, the heater of the present invention due to inside forming cavity setting be connected with the heat pipe of protective gas,
The temperature of protective gas so can be made more consistent with forming cavity internal temperature, and then window mirror, infrared acquisition are better achieved
The cleaning purging work of device etc..
As the further improvement project of this embodiment, described heat pipe is in spiral shape to be arranged in support cover 1, so may be used
To accelerate the heat transfer of gas in heat pipe, thus improve heat transfer efficiency.In addition, heat pipe can be by selecting good heat conductivity
The heat transfer efficiency to improve heat pipe for the material, such as copper.
In being embodied as, described venthole is positioned close to the position of window mirror and/or Infrared Detectorss, so not only may be used
To save the length of escape pipe 6, reach cost-effective effect, and also simplify device structure.
Present invention also offers a kind of rapid forming equipment for manufacturing three-dimensional body, including hierarchy slicing system, send
Power spreading device and laser galvanometer, wherein also include above-mentioned heater.
The rapid forming equipment for manufacturing three-dimensional body of the present invention, by include above-mentioned there is heater so that
Operator can carry out installation and the debugging of heating tube 4 outside forming cavity, after the completion of debugging, drawer 2 is placed in support cover
In 1, thus avoiding operator in narrow and small molding cavity space the drawbacks of inconvenient installation and debugging, therefore, the use of the present invention
In the rapid forming equipment manufacturing three-dimensional body so that the installation of operator, debugging are more convenient, and then the equipment that improves produces
Efficiency.
Above example is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned reality
Apply example, all technical schemes belonging under thinking of the present invention all should belong to protection scope of the present invention.It should be pointed out that without departing from this
Some modifications under the premise of inventive principle and modification, should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of heater of the rapid forming equipment for manufacturing three-dimensional body is it is characterised in that include:
Support cover, is arranged on the top of forming cavity, and the middle part of support cover has through hole；
Drawer, is arranged in support cover；And
Heating unit, including several heating tubes, several heating tubes are arranged under the base plate of drawer, under the base plate of described drawer
It is provided with several horizontal mounting holes and several vertical mounting holes, the end of described heating tube is arranged on horizontal mounting hole or vertical
Kidney-shaped in the hole；Wherein,
Described heater also includes screw rod and nut, and described screw rod runs through support cover, and is fixed on drawer by nut
On support cover.
2. heater according to claim 1 is it is characterised in that described heater also includes heat pipe, described
It is additionally provided with air inlet and venthole, described air inlet and venthole are communicated by heat pipe on support cover.
3. heater according to claim 2 is it is characterised in that described heat pipe is arranged on the top in support cover,
And described heat pipe is located on drawer.
4. heater according to claim 3 is arranged on support cover it is characterised in that described heat pipe is in spiral shape
Interior.
5. heater according to claim 2 it is characterised in that described venthole be positioned close to window mirror and/or
The position of Infrared Detectorss.
6. the heater according to any one of claim 1 to 5 is it is characterised in that in two side walls of described support cover
Side is provided with chute, and the outside of two side walls of described drawer is provided with guide rail, and described drawer passes through the chute matching and guide rail exists
Move in support cover.
7. heater according to claim 6 is it is characterised in that several heating tubes described set according to array layout
Put under the base plate of drawer.
8. a kind of rapid forming equipment for manufacturing three-dimensional body, including hierarchy slicing system, powder sending and laying device and laser
Galvanometer is it is characterised in that also include the heater described in any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410510478.9A CN104259458B (en) | 2014-09-29 | 2014-09-29 | Rapid prototyping device for three-dimensional object manufacture and heating device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410510478.9A CN104259458B (en) | 2014-09-29 | 2014-09-29 | Rapid prototyping device for three-dimensional object manufacture and heating device thereof |
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| Publication Number | Publication Date |
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| CN104259458A CN104259458A (en) | 2015-01-07 |
| CN104259458B true CN104259458B (en) | 2017-01-18 |
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| CN201410510478.9A Active CN104259458B (en) | 2014-09-29 | 2014-09-29 | Rapid prototyping device for three-dimensional object manufacture and heating device thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001575B (en) * | 2016-07-25 | 2018-01-05 | 中北大学 | A kind of selective laser sintering SLS powdering preheating devices |
| CN108081599A (en) * | 2016-11-22 | 2018-05-29 | 湖南华曙高科技有限责任公司 | A kind of Stereolithography equipment and its heating unit |
| CN107379383B (en) * | 2017-08-31 | 2020-02-04 | 南京航空航天大学 | Composite material hot-press forming die |
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| CN201093855Y (en) * | 2007-06-28 | 2008-07-30 | 比亚迪股份有限公司 | Fixed device capable of adjusting angle and distance |
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| CN104259458A (en) | 2015-01-07 |
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Address after: No. 181, Linyu Road, national high tech Industrial Development Zone, Changsha City, Hunan Province, 410205 Patentee after: Hunan Huashu High Tech Co.,Ltd. Address before: No. 181, Linyu Road, national high tech Industrial Development Zone, Changsha City, Hunan Province, 410205 Patentee before: HUNAN FARSOON HIGH-TECH Co.,Ltd. |
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