CN101885062A - Rapid shaping automatic powder feeding and spreading device - Google Patents
Rapid shaping automatic powder feeding and spreading device Download PDFInfo
- Publication number
- CN101885062A CN101885062A CN 201010237725 CN201010237725A CN101885062A CN 101885062 A CN101885062 A CN 101885062A CN 201010237725 CN201010237725 CN 201010237725 CN 201010237725 A CN201010237725 A CN 201010237725A CN 101885062 A CN101885062 A CN 101885062A
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- workbench
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- 239000000843 powder Substances 0.000 title claims abstract description 161
- 238000003892 spreading Methods 0.000 title claims abstract description 44
- 238000007493 shaping process Methods 0.000 title claims abstract description 15
- 239000000428 dust Substances 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000000110 selective laser sintering Methods 0.000 description 10
- 238000005245 sintering Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
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Abstract
The invention relates to a rapid shaping automatic powder feeding and spreading device, comprising a workbench, a working plane, a quantitative powder feeding device and a powder spreading device, wherein, the working plane is arranged on the workbench, the powder spreading device is arranged above the workbench, and the quantitative powder feeding device is fixed on the upper part of the powder spreading device. The rapid shaping automatic powder feeding and spreading device is characterized in that the powder spreading device comprises a powder pressing roller, a connecting plate, a powder spreading bucket and a return powder feeding device, wherein, the powder pressing roller is arranged under the connecting plate; the powder spreading bucket comprises a front bucket and a rear bucket, and the front bucket and the rear bucket are respectively arranged at two sides of the powder pressing roller after penetrating the connecting plate; and the return powder feeding device is arranged above the powder spreading bucket and on the connecting plate. The automatic power feeding and spreading device can realize round-trip powder spreading via the powder spreading device with only one powder feeding device, thus greatly simplifying the structure; and the device has the characteristics of high powder spreading efficiency, reliable operation, saved space, saved cost, higher operating efficiency and the like.
Description
Technical field
The present invention relates to a kind of rapid shaping automatic powder feeding and spreading device, particularly a kind of rapid shaping automatic powder feeding and spreading device that is used for selective laser sintering (SLS).
Background technology
(Selective Laser Sintering SLS) is commercial at present quick molding method to selective laser sintering (SLS).Its method of work is: the even very thin powder of layer overlay on workbench at first, laser beam carries out sintering selectively according to part layering profile under computer control, thereby make powder curing become cross sectional shape, the working face of working cylinder bed thickness that descends after one deck is finished, power spreading device repaves one deck sintering under the last layer powder on the surface of sintering.This process repeats up to producing whole threedimensional model.All sintering removes unnecessary powder after finishing, and just obtains the part that needs after polish again, oven dry etc. handled.SLS can use the various powders material, as gypsum, and starch, ceramic material, macromolecular material and their composite powder etc.The SLS formation system all is the system engineering of multidisciplinary intersection, and wherein to cover be key technology in the shop of powder, the speed that it is shaped to SLS, and influence such as the volume of precision and reliability and equipment, price is very big.
The SLS rapid forming equipment comprises down for powder mode and last for the powder mode for the powder mode at present, following confession powder mode goes up confession powder mode complex structure relatively, the working region is little, drawbacks such as equipment is big, so substituted for the powder mode by last gradually, Chinese patent specification CN1283578A, CN2767104Y all adopt for the powder mode, promptly supply powder above workbench.
But existing going up in the powder mode, be that one way is for powder mostly, as Chinese patent specification CN1283578A, inefficiency, complex structure also has round trip for powder, as Chinese patent specification CN2767104Y, but the structure of this mode is very complicated, and confession powder precision is not very high in the existing confession powder mode.
Summary of the invention
Technical problem to be solved by this invention is the deficiency that exists at above-mentioned prior art and provides a kind of energy round trip to spread the rapid shaping automatic powder feeding and spreading device of powder, it is not only simple and compact for structure, the functional reliability height, and can save cost, improve powder pushing precision and work efficiency.
The present invention for the technical scheme that problem adopted of the above-mentioned existence of solution is: comprise workbench, working face, quantitative dust feeder, power spreading device, working face is arranged on the workbench, power spreading device is arranged on the workbench top, quantitatively dust feeder is fixed on the top of power spreading device, power spreading device comprises the press-powder roller, gusset piece, powder-laying funnel, the backhaul dust feeder, the press-powder roller be arranged on gusset piece below, powder-laying funnel contains front bucket and back bucket, front bucket and back bucket pass the gusset piece branch and are located at press-powder roller both sides, and the backhaul dust feeder is arranged on the powder-laying funnel top and is installed on the gusset piece.
Press such scheme, described backhaul dust feeder comprise movable powder funnel, front bucket and junction, back bucket top platform, powder baffle plate, collision bar, slide fall, the end mouth and the platform phase configuration of movable powder funnel, the movable powder both sides of leaking are provided with slide rail, slide rail connect extension spring and with the slide phase configuration that is installed on the gusset piece, collision bar is fixed on before the workbench on the inwall and the slide rail phase configuration, and the powder baffle plate that falls is fixed on the platform near front bucket one side.
Press such scheme, described slide is made up of four bearings that are installed in the carriage holder side, and described slide rail is the flute profile slide rail.
Press such scheme, described slide is a pane, is fixed on the carriage holder, and described slide rail is the flute profile slide rail.
Press such scheme, also be provided with one between described gusset piece and the powder-laying funnel and regulate backing plate.
Press such scheme, described quantitative dust feeder comprises base, base has Lou powder groove, powder feeding roller is installed on the base and arc groove phase configuration above the base, powder barrel is fixed on above the base, powder barrel is leaked powder mouth and powder feeding roller phase configuration, and rule is arranging the circular cone blind hole or prolonging regularly arranged conical socket on the cylinder bus on the cylinder bus of powder-laying roller.
Press such scheme, be provided with before and after the described workbench and connect the powder bucket.
Press such scheme, the chrome-faced of described press-powder roller.
The course of work of the present invention is:
External drive mechanism drives power spreading device and moves on workbench, making movable powder funnel be in base leaks under the powder groove, begin to adorn powder for the rotation of powder motor-driven powder feeding roller, after movable powder funnel dress powder is finished, mobile again power spreading device make the front bucket of powder-laying funnel be in base leak the powder groove under, continue the dress powder; After powder-laying funnel front bucket dress powder is finished, shut down, stop for powder for the powder motor; Power spreading device moves forward, and powder-laying funnel powder that front bucket is contained is layered on the working face in the workbench in good time, equably, and the press-powder roller rotates counterclockwise under the driving of press-powder motor simultaneously.Pave the powder on the compacting working face, for laser sintered use; Power spreading device moves to the front end of workbench, thereby collision bar collision slide rail prevention activity powder funnel moves forward, and powder-laying funnel etc. move forward, and mouth leaves platform and arrives the back bucket top at the bottom of the movable powder funnel, and the powder in the movable powder funnel drains in the back bucket; Power spreading device connects in the powder bucket before unnecessary powder falls in the front bucket when travelling forward simultaneously, and the press-powder roller also pushes the unnecessary powder on the workbench and connects in the powder bucket, goes journey shop powder to finish, and after laser sintered finishing, bed thickness of the downward sedimentation of working face; External drive mechanism drives power spreading device backhaul on workbench and moves, movable powder funnel begins to reset under the effect of extension spring, just stop to move up to running into powder blocking plate, powder that back bucket is contained is taped against in the workbench on the working face in good time, equably, press-powder roller motor rotating drive press-powder roller clockwise rotates simultaneously, pave the powder on the compacting workbench, for laser sintered use, realize backhaul shop powder, powder feeding, laser sintered, and connect in the powder bucket after powder unnecessary on back bucket and the workbench is fallen into, backhaul shop powder is finished.
Beneficial effect of the present invention is: 1, structure is provided with advantages of simple, and layout is tightly short, has solved the baroque problem of round trip shop powder; 2, realize the high accuracy powder feeding, the present invention realizes quantitative powder feeding by the number of turns of control powder feeding roller rotation, has improved the precision of powder feeding greatly; 3, the slide of backhaul dust feeder is adopted rolling bearing structure, has reduced the friction between slide and the slide rail; 4, chrome-faced has improved the wearability of press-powder roller to the press-powder roller; 5, dust feeder and power spreading device are taked the branch body structure, make loading and unloading convenient.
Description of drawings
Fig. 1 is a front view of the present invention;
Fig. 2 is a left view of the present invention;
Fig. 3 is a vertical view of the present invention;
Fig. 4 is the schematic three dimensional views of power spreading device;
Fig. 5 is the stereogram of bearing slider and carriage holder;
Fig. 6 is the stereogram by pane slide and carriage holder;
Fig. 7 is the powder-laying funnel stereogram;
Fig. 8 is the powder-laying funnel left view;
Fig. 9 is a powder-laying funnel, the powder baffle plate that falls, movable powder-laying funnel configuration stereogram;
Figure 10 is the powder feeding roller that has the circular cone blind hole;
Figure 11 is the powder feeding roller that has conical socket;
Figure 12 is the base stereogram.
The specific embodiment
Further specify specific embodiments of the invention below in conjunction with accompanying drawing.
Both sides, workbench 2 front and back are installed and are connect powder bucket 1,13, working face 14 is arranged on the workbench central area, working face 14 workbench 2 relatively moves up and down, workbench is provided with the preceding inwall 15 of two workbench, the press-powder roller 3 of power spreading device by press-powder roller bearing 22 be installed in gusset piece 4 below, a wherein end of press-powder roller 3 links to each other with press-powder motor 20 by band pulley assemblies 21,3 chrome-faceds of press-powder roller are to increase its wearability, shop powder funnel 12 is fixed on above the gusset piece 4, also be provided with one between powder-laying funnel 12 and the gusset piece 4 and regulate backing plate 5, can finely tune the distance of powder-laying funnel 12 and movable powder funnel 10, the front bucket 12.1 of powder-laying funnel 12 and back bucket 12.2 are arranged on the both sides of press-powder roller 3, movable powder funnel 10 is arranged on the top of powder-laying funnel 12, mouth and platform 12.3 phase configuration at the bottom of the movable powder funnel, movable powder funnel 10 both sides are provided with flute profile slide rail 17, slide rail 17 and slide phase configuration by 24 groups on four bearings, the dual-side up and down of flute profile slide rail 17 contacts with the slide that bearing 24 is formed, bearing 24 is installed on carriage holder 16 sides by little axle 26, each two up and down, and dislocation is arranged, to dwindle the space, carriage holder 16 is fixed on the gusset piece 4, because between bearing 24 and the slide rail 17 is rolling friction, coefficient of friction is little, slide rail 17 is not easy to be worn, be connected with extension spring 23 between slide rail 17 and the carriage holder 16, collision bar 19 is installed in before the workbench on the inwall 15 by collision bar bearing 18, collision bar 19 and slide rail 17 phase configuration, the powder baffle plate 11 that falls is fixed on the platform 12.3 near front bucket 12.1 one sides, the powder baffle plate 11 that falls can move to front bucket 12.1 under the pulling force of extension spring 23 by prevention activity powder funnel 10, when front bucket 12.1 dress powder, the powder baffle plate 11 that falls also can avoid powder to drop on the platform 12.3, make powder fall into front bucket 12.1, quantitatively the powder feeding roller 9 of dust feeder is installed in the groove of base 6, powder barrel 8 is fixed on the base 6,9 end of powder barrel mouth is corresponding with powder feeding roller 8, be connected with powder feeding roller 9 by powder feeding pulley assemblies 25 for powder motor 7, powder feeding roller 9 is prolonged regularly arranged circular cone blind hole on the cylinder bus, also can be to prolong bus conical socket 28 is set.
Slide among the present invention also can be a pane 27, and pane 27 profiles are avoided the slide rail that weares and teares by fillet, adopts pane 27 to work as slide, and structure is more simple, and manufacturing cost is relatively low.
Claims (8)
1. rapid shaping automatic powder feeding and spreading device, comprise workbench, working face, quantitative dust feeder, power spreading device, working face is arranged on the workbench, power spreading device is arranged on the workbench top, quantitatively dust feeder is fixed on the top of power spreading device, it is characterized in that: power spreading device comprises the press-powder roller, gusset piece, powder-laying funnel, the backhaul dust feeder, the press-powder roller be arranged on gusset piece below, powder-laying funnel contains front bucket and back bucket, front bucket and back bucket pass the gusset piece branch and are located at press-powder roller both sides, and the backhaul dust feeder is arranged on the powder-laying funnel top and is installed on the gusset piece.
2. rapid shaping automatic powder feeding and spreading device according to claim 1, it is characterized in that: described backhaul dust feeder comprise movable powder funnel, front bucket and junction, back bucket top platform, powder baffle plate, collision bar, slide fall, the end mouth and the platform phase configuration of movable powder funnel, the movable powder both sides of leaking are provided with slide rail, slide rail connect extension spring and with the slide phase configuration that is installed on the gusset piece, collision bar is fixed on before the workbench on the inwall and the slide rail phase configuration, and the powder baffle plate that falls is fixed on the platform near front bucket one side.
3. rapid shaping automatic powder feeding and spreading device according to claim 2 is characterized in that: described slide is made up of four bearings that are installed in the carriage holder side, and described slide rail is the flute profile slide rail.
4. rapid shaping automatic powder feeding and spreading device according to claim 2 is characterized in that: described slide is a pane, is fixed on the carriage holder side, and described slide rail is the flute profile slide rail.
5. rapid shaping automatic powder feeding and spreading device according to claim 2 is characterized in that: also be provided with one between described gusset piece and the powder-laying funnel and regulate backing plate.
6. according to any described rapid shaping automatic powder feeding and spreading device of claim 1 to 5, it is characterized in that: described quantitative dust feeder comprises base, base has Lou powder groove, powder feeding roller is installed on the base and arc groove phase configuration above the base, powder barrel is fixed on above the base, powder barrel is leaked powder mouth and powder feeding roller phase configuration, and rule is arranging the circular cone blind hole or prolonging regularly arranged conical socket on the cylinder bus on the cylinder bus of powder-laying roller.
7. rapid shaping automatic powder feeding and spreading device according to claim 6 is characterized in that: the chrome-faced of described press-powder roller.
8. rapid shaping automatic powder feeding and spreading device according to claim 6 is characterized in that: be provided with before and after the described workbench and connect the powder bucket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102377254A CN101885062B (en) | 2010-07-28 | 2010-07-28 | Rapid shaping automatic powder feeding and spreading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102377254A CN101885062B (en) | 2010-07-28 | 2010-07-28 | Rapid shaping automatic powder feeding and spreading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101885062A true CN101885062A (en) | 2010-11-17 |
| CN101885062B CN101885062B (en) | 2012-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102377254A Active CN101885062B (en) | 2010-07-28 | 2010-07-28 | Rapid shaping automatic powder feeding and spreading device |
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Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102078963A (en) * | 2010-12-21 | 2011-06-01 | 湖南美纳科技有限公司 | SLS (selective laser sintering) double-roller powder spreading device |
| CN102489880A (en) * | 2011-12-26 | 2012-06-13 | 上海市激光技术研究所 | Optical fiber laser cladding device |
| CN103350574A (en) * | 2013-05-23 | 2013-10-16 | 魏伯卿 | Huge three-dimensional (3D) printer in the air |
| CN103909263A (en) * | 2014-03-24 | 2014-07-09 | 苏州大业三维打印技术有限公司 | Rotary powder spreading device used for selective laser sintering |
| CN104028757A (en) * | 2014-06-30 | 2014-09-10 | 湖南华曙高科技有限责任公司 | Device and method for manufacturing three-dimensional object |
| CN104625062A (en) * | 2015-03-03 | 2015-05-20 | 重庆大学 | Reciprocating powder laying device for selective laser melting |
| CN104741610A (en) * | 2015-04-10 | 2015-07-01 | 张百成 | Removable closed powder supply device for selective laser melting/ sintering forming |
| CN104985823A (en) * | 2015-07-23 | 2015-10-21 | 南京中科煜宸激光技术有限公司 | Powder laying device for rapid forming manufacturing |
| CN105172149A (en) * | 2015-10-24 | 2015-12-23 | 党金行 | Sliding core powder feeding type 3D printing machine power feeding device |
| CN105234410A (en) * | 2015-11-16 | 2016-01-13 | 钱波 | Push plate type powder dropping system and method for metal powder rapid prototyping printer |
| CN105293102A (en) * | 2015-11-24 | 2016-02-03 | 江苏永年激光成形技术有限公司 | SLM 3D printer quantitative powder feeding device |
| CN105583400A (en) * | 2014-11-07 | 2016-05-18 | Ge亚飞欧有限责任公司 | Powder dispenser for making a component by additive manufacturing |
| CN105710372A (en) * | 2016-04-11 | 2016-06-29 | 上海拓宝机电科技有限公司 | Powder leakage device and powder supply device for selective laser sintering single side powder supply |
| CN105728721A (en) * | 2016-03-04 | 2016-07-06 | 南京理工大学 | Double-powder quick molding and uniform spreading device |
| CN104772461B (en) * | 2015-05-05 | 2016-08-24 | 北京易博三维科技有限公司 | A kind of laser powder fast forming machine essence amount power spreading device |
| CN106216676A (en) * | 2016-09-06 | 2016-12-14 | 广东奥基德信机电有限公司 | A kind of laser 3D printing device |
| CN106583722A (en) * | 2016-12-13 | 2017-04-26 | 南通金源智能技术有限公司 | Selective laser melting forming device |
| CN106735213A (en) * | 2016-12-22 | 2017-05-31 | 华中科技大学 | A kind of power spreading device for being applied to laser gain material manufacture |
| CN107350471A (en) * | 2017-06-01 | 2017-11-17 | 南京理工大学 | A kind of new powdering system for selective laser fusing former |
| CN107745517A (en) * | 2017-10-17 | 2018-03-02 | 武汉华科三维科技有限公司 | A kind of new rapid forming equipment and its auxiliary powder method of powder feeding |
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| CN108215176A (en) * | 2018-01-30 | 2018-06-29 | 华侨大学 | It is a kind of to scrape compound power spreading device suitable for selective laser sintering |
| CN108394095A (en) * | 2018-03-02 | 2018-08-14 | 深圳市未来工场科技有限公司 | A kind of rapid shaping automatic powder feeding and spreading device |
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Cited By (37)
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| CN102078963A (en) * | 2010-12-21 | 2011-06-01 | 湖南美纳科技有限公司 | SLS (selective laser sintering) double-roller powder spreading device |
| CN102489880A (en) * | 2011-12-26 | 2012-06-13 | 上海市激光技术研究所 | Optical fiber laser cladding device |
| CN103350574A (en) * | 2013-05-23 | 2013-10-16 | 魏伯卿 | Huge three-dimensional (3D) printer in the air |
| CN103909263A (en) * | 2014-03-24 | 2014-07-09 | 苏州大业三维打印技术有限公司 | Rotary powder spreading device used for selective laser sintering |
| CN104028757A (en) * | 2014-06-30 | 2014-09-10 | 湖南华曙高科技有限责任公司 | Device and method for manufacturing three-dimensional object |
| CN105583400A (en) * | 2014-11-07 | 2016-05-18 | Ge亚飞欧有限责任公司 | Powder dispenser for making a component by additive manufacturing |
| CN104625062A (en) * | 2015-03-03 | 2015-05-20 | 重庆大学 | Reciprocating powder laying device for selective laser melting |
| CN104741610A (en) * | 2015-04-10 | 2015-07-01 | 张百成 | Removable closed powder supply device for selective laser melting/ sintering forming |
| CN104772461B (en) * | 2015-05-05 | 2016-08-24 | 北京易博三维科技有限公司 | A kind of laser powder fast forming machine essence amount power spreading device |
| CN104985823A (en) * | 2015-07-23 | 2015-10-21 | 南京中科煜宸激光技术有限公司 | Powder laying device for rapid forming manufacturing |
| CN105172149A (en) * | 2015-10-24 | 2015-12-23 | 党金行 | Sliding core powder feeding type 3D printing machine power feeding device |
| CN105172149B (en) * | 2015-10-24 | 2019-08-06 | 山东省机械设计研究院 | Slide core powder feeding formula 3D printer powder feeder unit |
| CN105234410A (en) * | 2015-11-16 | 2016-01-13 | 钱波 | Push plate type powder dropping system and method for metal powder rapid prototyping printer |
| CN105234410B (en) * | 2015-11-16 | 2017-05-03 | 钱波 | Push plate type powder dropping system and method for metal powder rapid prototyping printer |
| CN105293102A (en) * | 2015-11-24 | 2016-02-03 | 江苏永年激光成形技术有限公司 | SLM 3D printer quantitative powder feeding device |
| CN105728721A (en) * | 2016-03-04 | 2016-07-06 | 南京理工大学 | Double-powder quick molding and uniform spreading device |
| CN105710372A (en) * | 2016-04-11 | 2016-06-29 | 上海拓宝机电科技有限公司 | Powder leakage device and powder supply device for selective laser sintering single side powder supply |
| CN105710372B (en) * | 2016-04-11 | 2018-01-09 | 安徽拓宝增材制造科技有限公司 | Powder discharger and powder feeder unit of the selective laser sintering one side for powder |
| CN106216676A (en) * | 2016-09-06 | 2016-12-14 | 广东奥基德信机电有限公司 | A kind of laser 3D printing device |
| US10870237B2 (en) | 2016-11-15 | 2020-12-22 | Tongtai Machine & Tool Co., Ltd. | Powder supply device for use with powder spreaders |
| CN108067613A (en) * | 2016-11-15 | 2018-05-25 | 东台精机股份有限公司 | The powder feeder unit of powdering machine |
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