CN104259458A - 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
- Publication number
- CN104259458A CN104259458A CN201410510478.9A CN201410510478A CN104259458A CN 104259458 A CN104259458 A CN 104259458A CN 201410510478 A CN201410510478 A CN 201410510478A CN 104259458 A CN104259458 A CN 104259458A
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- drawer
- support cover
- heater
- heat pipe
- heater according
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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
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, be specifically related to a kind of rapid forming equipment for the manufacture of three-dimensional body and heater thereof.
Background technology
Rapid shaping technique (Rapid Prototyping, be called for short RP) be an advanced manufacturing technology with distinguishing features such as Digitized manufacturing, highly flexible and adaptability, directly cad model drive, quick, material type is rich and varied, be developed so far from later 1980s, oneself becomes a mainstay in modern advanced manufacturing technique.Selective laser sintering (Selective Laser Sintering, be called for short SLS) be development in recent years one of rapid shaping technique the most rapidly, it take dusty material as raw material, the cross section of laser to 3D solid is adopted successively to scan raw basin, not by the restriction of part shape complexity, without any need for moulds of industrial equipment, applied range.The basic process of selective laser sintering technique is: a certain amount of powder is delivered to work top by dust feeder, one deck dusty material is laid in the upper surface of the molded part of moulding cylinder by powder-laying roller cylinder, powder is heated to the temperature set by heater, galvanometer system controls laser instrument and scans solid section powder bed according to the cross section profile of this layer, makes powder smelting and realizes bonding with in type part below; After a layer cross section has sintered, workbench has declined the thickness of a layer, and powder-laying roller cylinder at layer overlay powder uniformly densely above, carries out the scanning sintering of a new layer cross section, through some layers of scanning superposition, until complete whole raw basin again.
In the above-described techniques, heater forms primarily of several heating tubes, several heating tubes are according to the top of array layout setting at working chamber, although this heater can realize the object heated, but due to the restriction in the space of working chamber own, to operating personnel in installation, add great difficulty when debugging or dismounting heating tube, and then have impact on the production efficiency of equipment.
Summary of the invention
The object of the invention is to, for prior art Problems existing, provide a kind of debugging, dismounting, maintenance conveniently, the rapid forming equipment for the manufacture of three-dimensional body that production efficiency is high and heater thereof.
For solving the problems of the technologies described above, the invention provides a kind of heater of the rapid forming equipment for the manufacture of three-dimensional body, comprise support cover, be arranged on the top of forming cavity, and the middle part of support cover having through hole; Drawer, is arranged in support cover; And heating unit, comprise several heating tubes, under several heating tubes are arranged on the base plate of drawer.
Further preferably, described heater also comprises heat pipe, and described support cover is also provided with air admission hole and venthole, and described air admission hole and venthole are communicated by heat pipe.
Further preferably, described heat pipe is arranged on the top in support cover, and described heat pipe is positioned on drawer.
Further preferably, described heat pipe is in spiral shape is arranged in support cover.
Further preferably, described venthole is arranged on the position near window mirror and/or Infrared Detectors.
Further preferably, described heater also comprises screw rod and nut, and described screw rod runs through support cover, and is fixed on support cover by drawer by nut.
Further preferably, the base plate of described drawer has several horizontal mounting holes mounting hole vertical with several, and the end of described heating tube is arranged in horizontal mounting hole or vertical mounting hole.
Further preferably, the inner side of described support cover two sidewalls is provided with chute, and the outside of two sidewalls of described drawer is provided with guide rail, and described drawer is moved in support cover by the chute that matches and guide rail.
Further preferably, several heating tubes described according to array layout setting under the base plate of drawer.
Present invention also offers a kind of rapid forming equipment for the manufacture of three-dimensional body, comprise hierarchy slicing system, powder sending and laying device and laser galvanometer, wherein also comprise above-mentioned heater.
The heater of the rapid forming equipment for the manufacture of three-dimensional body of the present invention, by comprising support cover, be 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, comprise several heating tubes, under several heating tubes are arranged on the base plate of drawer, make operating personnel can carry out installation and the debugging of heating tube in forming cavity outside, after having debugged, drawer is placed in support cover, thus avoid the drawback that operating personnel are not easy to installation and debugging in narrow and small forming cavity space, therefore, the heater of the rapid forming equipment for the manufacture of three-dimensional body of the present invention makes the installation of operating personnel, debugging, maintenance more convenient, and then improves production efficiency of equipment.
Rapid forming equipment for the manufacture of three-dimensional body of the present invention, above-mentioned there is heater by comprising, make operating personnel can carry out installation and the debugging of heating tube in forming cavity outside, after having debugged, drawer is placed in support cover, thus avoid the drawback that operating personnel are not easy to installation and debugging in narrow and small forming cavity space, therefore, rapid forming equipment for the manufacture of three-dimensional body of the present invention, make the installation of operating personnel, debugging, maintenance more convenient, and then improve production efficiency of equipment.
Accompanying drawing explanation
The structure chart of the embodiment that Fig. 1 provides for the manufacture of the heater of the rapid forming equipment of three-dimensional body for the present invention;
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;
The structure chart of another embodiment that Fig. 5 provides for the manufacture of the heater of the rapid forming equipment of three-dimensional body for the present invention.
Description of symbols in figure:
1, support cover, 2, drawer, 3, base plate, 4, heating tube, 5, air inlet pipe, 6, escape pipe, 7, screw rod, 8, nut, 9, horizontal mounting hole, 10, vertical mounting hole, 11, chute, 12, guide rail, 13, through hole, 14, ferrule fitting.
Detailed description of the invention
Below with reference to Figure of description and specific embodiment, the present invention is described in further details.
Embodiment one
The structure chart of the embodiment that Fig. 1 provides for the manufacture of the heater of the rapid forming equipment of three-dimensional body for the present invention, Fig. 2 is the structure chart of support cover in Fig. 1, namely the structure chart after drawer extraction, Fig. 3 is the structure chart of drawer in Fig. 1, Fig. 4 is the upward view of Fig. 3, i.e. the structure chart of heating unit.As Figure 1-Figure 4, heater for the manufacture of the rapid forming equipment of three-dimensional body comprises support cover 1, drawer 2 and heating unit, shown support cover 1 is arranged on the top of forming cavity, and the middle part of support cover 1 has through hole 13, this through hole 13 injects forming cavity for introducing laser, carries out laser sintered; Described drawer 2 is arranged in support cover 1, and the inner side of described support cover 1 two sidewalls is provided with chute 11, the outside of two sidewalls of described drawer 2 is provided with guide rail 12, described drawer 2 by the chute 11 that matches and guide rail 12 mobile in support cover 1, described heating unit comprises several heating tubes 4, and several heating tubes 4 are according to the base plate 3 time of array layout setting at drawer 2.
The heater of the rapid forming equipment for the manufacture of three-dimensional body of this embodiment, by comprising support cover 1, be arranged on the top of forming cavity, and the middle part of support cover 1 has through hole 13; Drawer 2, is arranged in support cover 1; And heating unit, comprise several heating tubes 4, several heating tubes 4 are arranged on the base plate 3 of drawer 2, make operating personnel can carry out installation and the debugging of heating tube 4 in forming cavity outside, after having debugged, drawer 2 is placed in support cover 1, thus avoid the drawback of operating personnel's inconvenient installation and debugging in narrow and small forming cavity space, therefore, the heater of the rapid forming equipment for the manufacture of three-dimensional body of the present invention makes the installation of operating personnel, it is more convenient to debug, and then improves production efficiency of equipment.
In concrete enforcement, as shown in Figure 4, the base plate 3 of described drawer 2 has several horizontal mounting holes 9 mounting hole 10 vertical with several, the end of described heating tube 4 is arranged in horizontal mounting hole 9 or vertical mounting hole 10, like this by the installation site of adjustment heating tube 4 at horizontal mounting hole 9 or vertical mounting hole 10, thus be adjusted to the temperature of processing plane in die cavity, and then be embodied as the warm field control in pocket machining region.Be understandable that, adjustment heating tube 4 can realize working face X-direction temperature and regulate in the installation site of horizontal mounting hole 9, and in like manner, adjustment heating tube 4 can realize working face Y direction temperature and regulate in the installation site of vertical mounting hole 10.
As the further improvement project of this embodiment, described heater also comprises screw rod 7 and nut 8, described screw rod 7 runs through support cover 1, and by nut 8, drawer 2 being fixed on support cover 1, designer according to the specific requirement of forming cavity machining area temperature, can regulate the relative position between drawer 2 and support cover 1, be implemented as follows: the temperature as pocket machining region is too high, then unscrew nut 8, make drawer 2 toward rising, then by nut 8, drawer 2 is fixed on support cover 1; Temperature as pocket machining region is too low, then unscrew nut 8, makes drawer 2 toward declining, then is fixed on support cover 1 by drawer 2 by nut 8.
It should be noted that at this, the quantity of described screw rod 7 and nut 8 specifically can be determined according to designer, such as can respectively establish a screw rod 7 and nut 8 at the diagonal angle of support cover 1, certainly, be arranged on support cover 1 more reposefully to make drawer 2, described screw rod 7 and nut 8 are four, and are separately positioned on four corners of support cover 1.
Embodiment two
The structure chart of another embodiment that Fig. 5 provides for the manufacture of the heater of the rapid forming equipment of three-dimensional body for the present invention, be understandable that, Fig. 2 is also the structure chart of support cover in Fig. 5, namely the structure chart after drawer extraction, Fig. 3 is also the structure chart of drawer in Fig. 5, Fig. 4 is the upward view of Fig. 3, the i.e. structure chart of heating unit, as Fig. 5, Fig. 2, shown in Fig. 3 and Fig. 4, heater for the manufacture of the rapid forming equipment of three-dimensional body comprises support cover 1, drawer 2, heating unit, air admission hole, heat pipe (not shown), venthole, screw rod 7 and nut 8, shown support cover 1 is arranged on the top of forming cavity, and the middle part of support cover 1 has through hole 13, this through hole 13 injects forming cavity for introducing laser, carry out laser sintered, described drawer 2 is arranged in support cover 1, and the inner side of described support cover 1 two sidewalls is provided with chute 11, the outside of two sidewalls of described drawer 2 is provided with guide rail 12, described drawer 2 by the chute 11 that matches and guide rail 12 mobile in support cover 1, described heating unit comprises several heating tubes 4, several heating tubes 4 are according to the base plate 3 time of array layout setting at drawer 2, and described air admission hole and venthole are arranged on support cover 1, and described air admission hole and venthole are communicated by heat pipe.
In concrete enforcement, described heat pipe only needs to be arranged on forming cavity inside and close heating unit, preferably, in order to make heater more compact structure, layout is more reasonable, and described heat pipe is arranged on the top in support cover 1, and described heat pipe is placed on drawer 2.
In concrete enforcement, air inlet pipe 5 is inserted with in described air admission hole, this air inlet pipe 5 is fixedly installed on support cover 1 by ferrule fitting 14, escape pipe 6 is inserted with in described venthole, this escape pipe 6 can comprise at least two gas outlets, described protective gas (such as nitrogen) enters heat pipe by air inlet pipe 5, protective gas in heat pipe is heated while heating devices heat, thus make the protective gas after heating deliver to window mirror respectively by least two gas outlets of escape pipe 6, Infrared Detectors etc. carry out clean purging work, to prevent window mirror, the crystallization of Infrared Detectors camera lens.
This embodiment is most preferred embodiment of the present invention, on the basis of embodiment one, by comprising air admission hole further, heat pipe and venthole, for introducing protective gas, and protective gas is heated, finally the protective gas after heating is delivered to window mirror respectively by venthole, Infrared Detectors etc. carry out clean purging work, to prevent window mirror, the crystallization of Infrared Detectors camera lens, thus the independent heater element that increases heats protective gas in forming cavity outside to avoid prior art needs, produce the drawback increasing equipment cost, therefore heater of the present invention not only has heating function to forming cavity, also there is the function of heated protective gas, namely double action is reached, correspondingly save equipment cost.In addition; due to prior art employing is heat protective gas at the outside heater element that increases separately of forming cavity; be difficult to like this ensure that protective gas temperature is consistent with forming cavity internal temperature; heater of the present invention is owing to arranging in forming cavity inside the heat pipe being connected with protective gas; the temperature of protective gas can be made so more consistent with forming cavity internal temperature, and then realize the clean purging work of window mirror, Infrared Detectors etc. better.
As the further improvement project of this embodiment, described heat pipe is in spiral shape to be arranged in support cover 1, can accelerate the heat trnasfer of gas in heat pipe like this, thus improve heat transfer efficiency.In addition, the heat transfer efficiency of heat pipe by selecting the material of good heat conductivity to improve heat pipe, such as copper.
In concrete enforcement, described venthole is arranged on the position near window mirror and/or Infrared Detectors, so not only can save the length of tracheae 6, reach cost-effective effect, and also simplify device structure.
Present invention also offers a kind of rapid forming equipment for the manufacture of three-dimensional body, comprise hierarchy slicing system, powder sending and laying device and laser galvanometer, wherein also comprise above-mentioned heater.
Rapid forming equipment for the manufacture of three-dimensional body of the present invention, above-mentioned there is heater by comprising, make operating personnel can carry out installation and the debugging of heating tube 4 in forming cavity outside, after having debugged, drawer 2 is placed in support cover 1, thus avoid the drawback of operating personnel's inconvenient installation and debugging in narrow and small forming cavity space, therefore, rapid forming equipment for the manufacture of three-dimensional body of the present invention, make the installation of operating personnel, debug more convenient, and then improve production efficiency of equipment.
Above embodiment is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all should belong to protection scope of the present invention.It should be pointed out that some amendments without departing from the principles of the present invention and modification, should protection scope of the present invention be considered as.
Claims (10)
1. for the manufacture of a heater for the rapid forming equipment of three-dimensional body, it is characterized in that, comprising:
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, comprises several heating tubes, under several heating tubes are arranged on the base plate of drawer.
2. heater according to claim 1, is characterized in that, described heater also comprises heat pipe, and described support cover is also provided with air admission hole and venthole, and described air admission hole and venthole are communicated by heat pipe.
3. heater according to claim 2, is characterized in that, described heat pipe is arranged on the top in support cover, and described heat pipe is positioned on drawer.
4. heater according to claim 3, is characterized in that, described heat pipe is in spiral shape to be arranged in support cover.
5. heater according to claim 2, is characterized in that, described venthole is arranged on the position near window mirror and/or Infrared Detectors.
6. heater according to claim 1, is characterized in that, described heater also comprises screw rod and nut, and described screw rod runs through support cover, and is fixed on support cover by drawer by nut.
7. heater according to claim 1, is characterized in that, the base plate of described drawer has several horizontal mounting holes mounting hole vertical with several, and the end of described heating tube is arranged in horizontal mounting hole or vertical mounting hole.
8. the heater according to any one of claim 1 to 7, it is characterized in that, the inner side of described support cover two sidewalls is provided with chute, and the outside of two sidewalls of described drawer is provided with guide rail, and described drawer is moved in support cover by the chute that matches and guide rail.
9. heater according to claim 8, is characterized in that, several heating tubes described according to array layout setting under the base plate of drawer.
10., for the manufacture of a rapid forming equipment for three-dimensional body, comprise hierarchy slicing system, powder sending and laying device and laser galvanometer, it is characterized in that, also comprise the heater described in any one of claim 1-9.
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 |
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| 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 |
Publications (2)
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| CN104259458A true CN104259458A (en) | 2015-01-07 |
| CN104259458B CN104259458B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001575A (en) * | 2016-07-25 | 2016-10-12 | 中北大学 | Selective laser sintering SLS laid powder preheating device |
| CN107379383A (en) * | 2017-08-31 | 2017-11-24 | 南京航空航天大学 | A kind of composite hot forming mould |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106001575A (en) * | 2016-07-25 | 2016-10-12 | 中北大学 | Selective laser sintering SLS laid powder preheating device |
| 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 |
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| CN104259458B (en) | 2017-01-18 |
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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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